CN113511228A - In-car temperature control system and method of railway vehicle and railway vehicle - Google Patents
In-car temperature control system and method of railway vehicle and railway vehicle Download PDFInfo
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- CN113511228A CN113511228A CN202110826936.XA CN202110826936A CN113511228A CN 113511228 A CN113511228 A CN 113511228A CN 202110826936 A CN202110826936 A CN 202110826936A CN 113511228 A CN113511228 A CN 113511228A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0036—Means for heating only
- B61D27/0045—Electric heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
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Abstract
The invention provides an in-car temperature control system and a control method of a rail vehicle and the rail vehicle, wherein the in-car temperature control system comprises the following steps: the air conditioning unit, the air supply duct, the first temperature sensor, the second temperature sensor and the controller; each carriage of the rail vehicle is divided into a plurality of air supply areas; the air conditioning unit is connected with the plurality of air supply air channels; the air supply air channels are arranged in one-to-one correspondence with the air supply areas; the first temperature sensor is arranged in the carriage corresponding to the air supply area; the second temperature sensor is arranged outside the carriage corresponding to the air supply area; the controller is respectively connected with the air conditioning unit, the first temperature sensor and the second temperature sensor and used for controlling the air conditioning unit to supply air to the corresponding air supply area. According to the invention, the interior of the carriage is divided into a plurality of independent air supply areas, and air is supplied to each air supply area according to the temperature inside and outside the carriage, so that the problem that the temperature change is too large due to the temperature difference of different areas in the carriage, and the passengers feel cold and hot is solved.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to an in-vehicle temperature control system and method of a railway vehicle and the railway vehicle.
Background
At present, rail vehicle of online operation all adopts the mode of electrical heating to control the temperature in order to promote winter in-car thermal comfort, mainly pays close attention to in-car temperature and target temperature in the accuse temperature logic, considers less to air supply temperature, simultaneously, for the inside quick rising and falling temperature of realization in carriage, electrical heating often drops into too big or low excessively in the car, arouses air supply temperature too high or low excessively, leads to passenger's body to feel uncomfortable.
Disclosure of Invention
The invention provides an in-car temperature control system of a railway vehicle, which is used for solving the defects that the temperature of the railway vehicle is adjusted by an air conditioner in the prior art, the air supply temperature is considered less, the electric heating investment is too high or too low, the air supply temperature is too high or too low, and the passenger feels uncomfortable.
The invention also provides a control method of the in-car temperature control system of the railway vehicle, which is used for solving the defects that the temperature of the railway vehicle is adjusted by an air conditioner in the prior art, the air supply temperature is less considered, the electric heating investment is too high or too low, the air supply temperature is too high or too low, and the passenger feels uncomfortable.
The invention also provides a rail vehicle.
According to a first aspect of the present invention, there is provided an in-vehicle temperature control system for a rail vehicle, comprising: the air conditioning unit, the air supply duct, the first temperature sensor, the second temperature sensor and the controller;
each carriage of the rail vehicle is divided into a plurality of air supply areas;
the air conditioning unit is connected with the plurality of air supply air channels;
the air supply air channels are arranged in one-to-one correspondence with the air supply areas;
the first temperature sensor is arranged in the carriage corresponding to the air supply area and used for detecting a first environmental parameter corresponding to the air supply area in the carriage;
the second temperature sensor is arranged outside the carriage corresponding to the air supply area and used for detecting second environment parameters corresponding to the air supply area outside the carriage;
the controller is respectively connected with the air conditioning unit, the first temperature sensor and the second temperature sensor and used for controlling the air conditioning unit to supply air to the corresponding air supply area according to the first environmental parameter and the second environmental parameter.
According to an embodiment of the present invention, further comprising: a contactor and a first heater;
the contactors are arranged in one-to-one correspondence with the air supply ducts and are connected with the controller;
the first heaters are arranged on the air conditioning unit and are in one-to-one correspondence with the contactors;
the contactor controls the start and stop of the first heater according to the instruction of the controller, and then the air flow entering the air supply duct is heated.
Specifically, the embodiment provides an implementation mode of a contactor and a first heater, and by arranging the contactor and the first heater, starting and stopping of the first heater according to an instruction sent by a controller are realized, and further heating of air flow sent by an air conditioning unit is realized.
It should be noted that the contactor may be understood as a contact switch connected in series with the first heater, and the controller is configured to control opening and closing of the contactor, so as to control starting and stopping of the first heater.
It should be further noted that by arranging the plurality of contactors and arranging the contactors in one-to-one correspondence with the air supply ducts, the one-to-one correspondence of the first heaters and the air supply ducts is realized, so that different air supply requirements are met according to the requirements of different air supply areas.
In a possible embodiment, the contactor may be further configured as a switch assembly including at least a plurality of contact switches, which may enable adjustment of a plurality of air supply positions on one air supply duct.
According to an embodiment of the present invention, further comprising: a second heater and a third temperature sensor;
the second heater is arranged at one side close to the air outlet of the air supply duct and is connected with the contactor corresponding to the air supply duct;
the third temperature sensor is arranged on one side close to the air outlet of the air supply duct and used for detecting a third environmental parameter of the air outlet of the air supply duct and feeding the third environmental parameter back to the controller.
Particularly, this embodiment provides an implementation of second heater and third temperature sensor, through setting up second heater and third temperature sensor, realized according to the temperature of air feed wind channel air outlet, carry out the adjustment of air feed temperature, avoid there is great difference in the temperature between the temperature of setting for on air conditioning unit and the air current of actual transport, lead to passenger to feel temperature and set for the temperature and have great deviation, influence the problem that passenger experienced, through setting up second heater and third temperature sensor, the accurate control to the temperature has been realized.
It should be noted that the second heater is connected to the contactor, that is, when the air supply duct supplies air to the air supply area, the contactor simultaneously triggers the first heater and the second heater to heat the air flow flowing through the air supply duct by the air conditioning assembly, when the deviation between the temperature fed back by the third temperature sensor and the preset temperature is within the preset range, the second heater can be in a standby state, and at this time, only the first heater is used to heat the air flow.
According to a second aspect of the present invention, a control method of the in-vehicle temperature control system of the rail vehicle includes:
responding to a wind supply starting signal, identifying a carriage corresponding to the wind supply starting signal and a wind supply area in the carriage, and extracting an area characteristic parameter of the wind supply area;
acquiring a first environment parameter corresponding to the air supply area in the carriage and a second environment parameter corresponding to the air supply area outside the carriage according to the area characteristic parameters, and generating a first air supply strategy and a first preset target temperature corresponding to the air supply area according to the first environment parameter and the second environment parameter, wherein the first air supply strategy is a strategy for supplying air to an air conditioning unit, and the first preset target temperature is an environment temperature which is required to be reached by the air supply area corresponding to the carriage in the first air supply strategy;
and generating a wind supply decision corresponding to the wind supply area according to the first wind supply strategy and the first preset target temperature.
According to an embodiment of the present invention, the step of acquiring a first environmental parameter corresponding to the air supply area inside the vehicle cabin and a second environmental parameter corresponding to the air supply area outside the vehicle cabin according to the area characteristic parameter, and generating a first air supply policy and a first preset target temperature corresponding to the air supply area according to the first environmental parameter and the second environmental parameter further includes:
acquiring a third environmental parameter of an air outlet of an air supply duct corresponding to the air supply area;
generating a second air supply strategy according to the first environmental parameter, the second environmental parameter and the third environmental parameter;
and generating a wind supply decision corresponding to the wind supply area according to the second wind supply strategy and the first preset target temperature.
Specifically, the embodiment provides an implementation manner for generating a first air supply strategy and a first preset target temperature corresponding to the air supply area, and the third environmental parameter of the air outlet of the air supply duct is obtained to update the air supply decision, so that the air flow sent out from the air supply duct better conforms to the first preset target temperature determined by the first environmental parameter and the second environmental parameter.
It should be noted that a first air supply strategy and a first preset target temperature can be generated by a first environmental parameter of an air supply area corresponding to the inside of a vehicle and a second environmental parameter of an air supply area corresponding to the outside of the vehicle, when a large deviation exists between an air flow sent out from an air supply duct and the first preset target temperature or the air flow sent out from the air supply duct cannot meet the requirement of the first preset target temperature due to the self-equipment, heat consumption or deviation of a measured environmental parameter, the temperature of the air flow sent out from the air supply duct needs to be detected again, and a second air supply strategy is generated again according to the detection result, the heating duration and power of a first heater and a second heater may be adjusted in the second air supply strategy, the air flow is compensated by the second heater, or the air supply duration is adjusted.
In a possible embodiment, the calculation of the first and second wind supply strategies may be performed by the following formula:
Tsm＝δ×(Tic-Ti)+∫[ε×(Tic-Ti)/ti]
in the formula, TsmFor the air supply temperature of the air conditioning unit, the integral multiple, delta and epsilon are coefficients, tiAs integral variable, TicTo preset a target temperature, TiIs a first environmental parameter, TeIs a second environmental parameter.
Wherein, Tic(Preset target temperature) is set by Te(second environmental parameter) is performed in common, i.e. the preset target temperature is set in relation to the environmental parameter outside the vehicle cabin.
P＝ζ×(Tsm-Ts)+∫[λ×(Tsm-Ts)/ti]
Wherein ^ f [ mu ] f [ phi ], ζ and λ are coefficients, tiP is the amount of supplemental heating of the second heater, T, as an integral variablesmSupply air temperature, T, for air conditioning unitssIs a third environmental parameter.
It should be noted that the heating of the second heater in the air supply duct is mainly used for temperature compensation of the air flow passing through the air supply duct when T is reachedsBelow TicReducing to 3 deg.C, starting the second heater for heating, and heating at TsHigher than TicWhen 1 ℃ is added, the second heater is closed.
When T issAbove 35 deg.C, the first heater is maintained at the current level if TsAbove 40 c, the first heater needs to be degraded or shut down to avoid excessive supply air temperatures.
According to an embodiment of the present invention, after the step of generating the wind supply decision corresponding to the wind supply area according to the second wind supply policy and the first preset target temperature, the method specifically further includes:
after the air supply decision supplies air to the air supply area in the carriage for a first preset time, acquiring the first environmental parameter, the second environmental parameter and the third environmental parameter;
generating a third air supply strategy and a second preset target temperature according to the first environmental parameter, the second environmental parameter, the third environmental parameter and the first preset target temperature;
and updating the air supply decision corresponding to the air supply area according to the third air supply strategy and the second preset target temperature.
Specifically, after a first preset time period elapses, the first environmental parameter, the second environmental parameter, and the third environmental parameter are acquired again, a third air supply policy and a second preset target temperature are performed again according to a first preset target temperature, and the air supply decision is updated.
It should be noted that after the first preset time period, the ambient temperature of the corresponding air supply area in the carriage is further reduced, and at this time, the corresponding parameter needs to be obtained again, so as to generate the ambient temperature more meeting the area characteristic parameter.
It should be noted that, in the process of executing the wind supply decision generated according to the first wind supply strategy and the first preset target temperature, there may be a case where the regional characteristic parameter is changed, and therefore, the regional characteristic parameter needs to be obtained again after the first preset time period elapses.
According to an embodiment of the present invention, in the step of identifying a car and a wind supply area in the car corresponding to the wind supply start signal in response to the wind supply start signal, and extracting an area characteristic parameter of the wind supply area, the method specifically further includes:
responding to the wind supply starting signal, acquiring a wind supply area corresponding to the wind supply starting signal, and identifying terminal equipment accessed to the wind supply area, wherein the terminal equipment is at least used for receiving a first environment order, and the first environment order at least comprises a first environment temperature requirement corresponding to the wind supply area;
acquiring all the first environment orders received by the terminal equipment, and extracting the first environment temperature requirements corresponding to the air supply area in all the first environment orders;
and generating the area characteristic parameters according to the first environment temperature requirement.
Specifically, the present embodiment provides an implementation manner for extracting regional characteristic parameters of the wind supply region, where a plurality of terminal devices, such as a vehicle-mounted system, an APP, an applet, or a mobile device, may be accessed in the wind supply region, and according to the terminal devices, corresponding environment orders may be input, such as temperature, humidity, air oxygen content, light intensity, and environmental sound, and according to the environment orders, regional characteristic parameters may be further generated.
In a possible embodiment, each seat in the passenger compartment is equipped with a terminal device, on which the passenger can enter a corresponding environment order.
In a possible implementation mode, the passenger can realize access to the rail vehicle network through the APP or the small program, and then the passenger can determine the carriage and the air supply area according to the verification of the identity information, and the passenger can realize the input of the corresponding environment order through the APP or the small program.
According to an embodiment of the present invention, after the step of generating the area characteristic parameter according to the first environmental temperature requirement, the method specifically further includes:
acquiring a second environment order received by the terminal equipment corresponding to the air supply area, and extracting a second environment temperature requirement in the second environment order;
and extracting the offset of the first environment temperature requirement and the second environment temperature requirement, and if the offset is greater than a preset offset temperature difference, judging that the first preset target temperature does not accord with the temperature requirement.
Specifically, in the embodiment of generating the area characteristic parameter according to the first ambient temperature requirement, during the process of receiving and executing the wind supply decision through the terminal device, there is a situation that a passenger may be dissatisfied with the temperature, such as overheating or overcooling, and therefore a reset is performed on the terminal device to generate a second ambient order, so that a push of the terminal device for the ambient order needs to be continuously obtained.
In a possible implementation, the regional characteristic parameters are regenerated according to the second ambient temperature requirement in the second ambient order, and then the adjustment of the air supply decision is realized.
In a possible implementation manner, if the number of times that the passenger adjusts the environment order reaches a preset number of times, or the offset between the first environment temperature requirement and the second environment temperature requirement reaches a preset threshold, the prompt information of replacing the air supply area is directly pushed to the terminal device, that is, the passenger is recommended to replace the seat, replace the carriage, or provide corresponding service to meet the requirement of the passenger.
According to an embodiment of the present invention, the step of generating a wind supply decision corresponding to the wind supply area according to the first wind supply policy and the first preset target temperature specifically further includes:
acquiring a regional image data stream acquired by each continuous time node of the wind supply region within a second preset time period;
determining each suspected living body area corresponding to the wind supply area according to the area image data stream of each continuous time node;
acquiring coordinate information of the two adjacent suspected living body areas within the second preset time, and generating a mimicry action characteristic of the suspected living body areas according to the coordinate information of the two adjacent suspected living body areas;
and if the mimicry action characteristic meets a preset action condition, judging that the first preset target temperature does not meet the temperature requirement.
Specifically, the present embodiment provides an implementation manner for determining whether the preset target temperature meets the temperature requirement according to the mimicry motion characteristics, and by acquiring the motion of the passenger, that is, acquiring the data stream of the suspected living body area, and generating the mimicry motion characteristics, the determination of the preset target temperature according to the motion of the passenger is implemented.
In a possible embodiment, if the mimicry motion characteristic satisfies a preset motion condition, the preset motion condition may be any one or a combination of several of wiping sweat, removing clothes, wearing clothes and swinging a fan.
In a possible implementation manner, after the step of determining that the first preset target temperature does not meet the temperature requirement if the mimicry motion characteristic meets a preset motion condition, the method specifically includes:
the first environment temperature, the second environment temperature and the third environment temperature are obtained again, and a fourth air supply strategy and a third preset target temperature are generated;
and updating the air supply decision according to the fourth air supply strategy and the third preset target temperature.
According to a third aspect of the present invention, there is provided a rail vehicle having the above-mentioned in-vehicle temperature control system of a rail vehicle, or a control method using the above-mentioned in-vehicle temperature control system of a rail vehicle when performing in-vehicle temperature control.
One or more technical solutions in the present invention have at least one of the following technical effects: according to the in-car temperature control system and method for the railway vehicle and the railway vehicle, the interior of the carriage is divided into the plurality of independent air supply areas, and air is supplied to each air supply area according to the temperature inside and outside the carriage, so that the problems that temperature changes are too large due to the temperature difference of different areas in the carriage, and passengers feel cold and hot are solved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating the arrangement of a carriage and an air supply area in an in-car temperature control system for a rail vehicle according to the present invention;
FIG. 2 is a schematic flow diagram of an in-car temperature control system for a rail vehicle according to the present invention;
FIG. 3 is a second schematic flow chart of an in-car temperature control system for a rail vehicle according to the present invention;
FIG. 4 is a third schematic flow chart of an in-car temperature control system for a rail vehicle according to the present invention;
fig. 5 is a schematic flow chart of a method for controlling an in-car temperature of a rail vehicle according to the present invention.
Reference numerals:
10. a carriage; 11. A wind supply area; 20. An air conditioning unit;
30. an air supply duct; 40. A first temperature sensor; 50. A second temperature sensor;
60. a controller; 70. A contactor; 80. A first heater;
90. a second heater; 100. A third temperature sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In some embodiments of the present invention, as shown in fig. 1 to 4, the present solution provides an in-vehicle temperature control system of a railway vehicle, including: the air conditioning unit 20, the air supply duct 30, the first temperature sensor 40, the second temperature sensor 50 and the controller 60; each carriage 10 of the railway vehicle is divided into a plurality of air supply areas 11; the air conditioning unit 20 is connected with a plurality of air supply ducts 30; the air supply air ducts 30 are arranged in one-to-one correspondence with the air supply areas 11; the first temperature sensor 40 is arranged inside the carriage 10 corresponding to the air supply area 11 and is used for detecting a first environmental parameter corresponding to the air supply area 11 in the carriage 10; the second temperature sensor 50 is arranged outside the carriage 10 corresponding to the air supply area 11 and is used for detecting a second environmental parameter outside the carriage 10 corresponding to the air supply area 11; the controller 60 is respectively connected to the air conditioning unit 20, the first temperature sensor 40 and the second temperature sensor 50, and is configured to control the air conditioning unit 20 to supply air to the corresponding air supply area 11 according to the first environmental parameter and the second environmental parameter.
In detail, the invention provides an in-car temperature control system of a railway vehicle, which is used for solving the defects that the temperature of the railway vehicle is adjusted by an air conditioner in the prior art, the air supply temperature is considered less, the electric heating investment is too high or too low, the air supply temperature is too high or too low, and the passenger feels uncomfortable, and the problem that the passenger feels cold and hot due to the fact that the temperature change caused by the temperature difference of different areas in the carriage 10 is too large is solved by dividing the interior of the carriage 10 into a plurality of independent air supply areas 11 and supplying air to each air supply area 11 according to the temperature inside and outside the carriage 10.
In a possible embodiment of the present invention, the method further comprises: a contactor 70 and a first heater 80; the contactors 70 are arranged in one-to-one correspondence with the air supply ducts 30 and connected to the controller 60; the first heaters 80 are arranged on the air conditioning unit 20 and are arranged in one-to-one correspondence with the contactors 70; the contactor 70 controls the start and stop of the first heater 80 according to the instruction of the controller 60, so as to heat the air flow entering the air supply duct 30.
Specifically, the present embodiment provides an implementation manner of the contactor 70 and the first heater 80, and by providing the contactor 70 and the first heater 80, the first heater 80 is turned on or off according to an instruction sent by the controller 60, so as to heat the air flow sent by the air conditioning unit 20.
The contactor 70 may be understood as a contact switch connected in series with the first heater 80, and the controller 60 is configured to control the opening and closing of the contactor 70, so as to control the start and stop of the first heater 80.
It should be further noted that, by arranging the plurality of contactors 70 and arranging the contactors 70 and the air supply ducts 30 in a one-to-one correspondence manner, the one-to-one correspondence of the first heaters 80 and the air supply ducts 30 is realized, so that different air supply requirements are met according to the requirements of different air supply areas 11.
In a possible embodiment, the contactor 70 may be further configured as a switch assembly including at least a plurality of contact switches, which may enable adjustment of a plurality of air supply positions on one air supply duct 30.
In a possible embodiment of the present invention, the method further comprises: a second heater 90 and a third temperature sensor 100; the second heater 90 is arranged at one side close to the air outlet of the air supply duct 30 and is connected with the contactor 70 corresponding to the air supply duct 30; the third temperature sensor 100 is disposed at a side close to the air outlet of the air supply duct 30, and is configured to detect a third environmental parameter at the air outlet of the air supply duct 30, and feed the third environmental parameter back to the controller 60.
Specifically, this embodiment provides an implementation mode of second heater 90 and third temperature sensor 100, through setting up second heater 90 and third temperature sensor 100, realized according to the temperature of air supply duct 30 air outlet, carry out the adjustment of air supply temperature, avoid there is great difference in the temperature between the temperature of setting for on air conditioning unit 20 and the air current of actual transport, lead to passenger to feel temperature and have great deviation with the set temperature, influence the problem that passenger experienced, through setting up second heater 90 and third temperature sensor 100, realized the accurate control to the temperature.
It should be noted that the second heater 90 is connected to the contactor 70, that is, when the air supply duct 30 supplies air to the air supply area 11, the contactor 70 simultaneously triggers the first heater 80 and the second heater 90 to heat the air flow of the air conditioning assembly flowing through the air supply duct 30, when the deviation between the temperature fed back by the third temperature sensor 100 and the preset temperature is within the preset range, the second heater 90 may be in a standby state, and at this time, only the first heater 80 is used for heating, and the above control may be implemented by software.
In some embodiments of the present invention, as shown in fig. 1 to 5, the present disclosure provides a control method of an in-vehicle temperature control system of a railway vehicle, including:
in response to the wind supply starting signal, identifying a compartment 10 corresponding to the wind supply starting signal and a wind supply area 11 in the compartment 10, and extracting area characteristic parameters of the wind supply area 11;
acquiring a first environment parameter corresponding to an air supply area 11 in a carriage 10 and a second environment parameter corresponding to the air supply area 11 outside the carriage 10 according to the area characteristic parameters, and generating a first air supply strategy and a first preset target temperature corresponding to the air supply area 11 according to the first environment parameter and the second environment parameter, wherein the first air supply strategy is a strategy for supplying air to an air conditioning unit 20, and the first preset target temperature is an environment temperature to be reached by the corresponding air supply area 11 in the carriage 10 under the first air supply strategy;
and generating a wind supply decision corresponding to the wind supply area 11 according to the first wind supply strategy and the first preset target temperature.
In detail, the invention also provides a control method of the in-car temperature control system of the rail vehicle, which is used for solving the defects that the rail vehicle has the defects of low consideration on air supply temperature, excessive or low electric heating investment and easily caused overhigh or overlow air supply temperature and uncomfortable body feeling of passengers due to the fact that the temperature is adjusted through an air conditioner, in the prior art, the independent air supply of each air supply area 11 is realized by generating corresponding air supply decisions according to the temperature parameters of the air supply areas 11 inside and outside the carriage 10, and the problem that the temperature changes caused by the temperature difference of different areas in the carriage 10 are too large, so that the passengers feel suddenly cool and suddenly hot is solved.
In a possible embodiment of the present invention, the step of obtaining a first environmental parameter corresponding to the air supply area 11 inside the vehicle compartment 10 and a second environmental parameter corresponding to the air supply area 11 outside the vehicle compartment 10 according to the area characteristic parameters, and generating a first air supply policy and a first preset target temperature corresponding to the air supply area 11 according to the first environmental parameter and the second environmental parameter specifically includes:
acquiring a third environmental parameter of an air outlet of the air supply duct 30 corresponding to the air supply area 11;
generating a second air supply strategy according to the first environmental parameter, the second environmental parameter and the third environmental parameter;
and generating a wind supply decision corresponding to the wind supply area 11 according to the second wind supply strategy and the first preset target temperature.
Specifically, the embodiment provides an implementation manner for generating a first air supply policy and a first preset target temperature corresponding to the air supply area 11, and the third environmental parameter of the air outlet of the air supply duct 30 is obtained to update the air supply decision, so that the airflow sent out from the air supply duct 30 better conforms to the first preset target temperature determined by the first environmental parameter and the second environmental parameter.
It should be noted that, by generating the first air supply strategy and the first preset target temperature for the first environmental parameter corresponding to the air supply area 11 in the vehicle compartment 10 and the second environmental parameter corresponding to the air supply area 11 outside the vehicle compartment 10, when there is a large deviation between the air flow sent from the air supply duct 30 and the first preset target temperature due to a deviation of the equipment itself, heat consumption or measured environmental parameters, or the air flow sent out from the air supply duct 30 cannot meet the requirement of the first preset target temperature, so that the temperature of the air flow sent out from the air supply duct 30 needs to be detected again, and a second air supply strategy is regenerated according to the detection result, wherein the heating time and power of the first heater 80 and the second heater 90 may be adjusted in the second air supply strategy, the temperature of the air flow is compensated by the second heater 90, or the air supply time is adjusted.
In a possible embodiment, the calculation of the first and second wind supply strategies may be performed by the following formula:
Tsm＝δ×(Tic-Ti)+∫[ε×(Tic-Ti)/ti]
in the formula, TsmIs the air supply temperature of the air conditioning unit 20, the coefficients are ^ t, delta and epsiloniAs integral variable, TicTo preset a target temperature, TiIs a first environmental parameter, TeIs a second environmental parameter.
Wherein, Tic(Preset target temperature) is set by Te(second environmental parameter), that is, the preset target temperature is set in association with the environmental parameter outside the vehicle compartment 10.
P＝ζ×(Tsm-Ts)+∫[λ×(Tsm-Ts)/ti]
Wherein ^ f [ mu ] f [ phi ], ζ and λ are coefficients, tiP is the amount of supplemental heating of the secondary heater 90, T, as an integral variablesmSupply air temperature, T, for air conditioning unit 20sIs a third environmental parameter.
It should be noted that the heating of the second heater 90 in the air supply duct 30 is mainly used for temperature compensation of the air flow passing through the air supply duct 30 when T issBelow TicWhen the temperature is reduced to 3 ℃, the second heater 90 is required to be started for heating, and when the temperature is TsHigher than TicAt 1 deg.C, the second heater 90 is turned off.
When T issAbove 35 deg.C, the primary heater 80 is maintained at the current level if TsAbove 40 c, the first heater 80 needs to be degraded or shut down to avoid excessive supply air temperatures.
In a possible embodiment of the present invention, after the step of generating a wind supply decision corresponding to the wind supply area 11 according to the second wind supply strategy and the first preset target temperature, the method specifically includes:
after air is supplied to an air supply area 11 in a carriage 10 according to an air supply decision for a first preset time, acquiring a first environmental parameter, a second environmental parameter and a third environmental parameter;
generating a third air supply strategy and a second preset target temperature according to the first environmental parameter, the second environmental parameter, the third environmental parameter and the first preset target temperature;
and updating the wind supply decision of the corresponding wind supply area 11 according to the third wind supply strategy and the second preset target temperature.
Specifically, the embodiment provides an implementation manner after the step of generating the air supply decision corresponding to the air supply area 11, after a first preset time period elapses, the first environmental parameter, the second environmental parameter, and the third environmental parameter are acquired again, the third air supply policy and the second preset target temperature are performed again according to the first preset target temperature, and the air supply decision is updated.
It should be noted that after the first preset time period, the ambient temperature of the corresponding air supply area 11 in the car 10 has been further reduced, at this time, the corresponding parameters need to be obtained again, and then the ambient temperature that more satisfies the area characteristic parameters is generated.
It should be noted that, in the process of executing the wind supply decision generated according to the first wind supply strategy and the first preset target temperature, there may be a case where the regional characteristic parameter is changed, and therefore, the regional characteristic parameter needs to be obtained again after the first preset time period elapses.
In a possible embodiment of the present invention, in response to the wind supply start signal, the step of identifying the car 10 and the wind supply area 11 in the car 10 corresponding to the wind supply start signal, and extracting the area characteristic parameter of the wind supply area 11 specifically includes:
responding to the wind supply starting signal, acquiring a wind supply area 11 corresponding to the wind supply starting signal, and identifying terminal equipment accessed to the wind supply area 11, wherein the terminal equipment is at least used for receiving a first environment order, and the first environment order at least comprises a first environment temperature requirement corresponding to the wind supply area 11;
acquiring all first environment orders received by the terminal equipment, and extracting first environment temperature requirements corresponding to the air supply area 11 in all the first environment orders;
and generating a regional characteristic parameter according to the first environment temperature requirement.
Specifically, the present embodiment provides an implementation manner for extracting regional characteristic parameters of the air supply region 11, where a plurality of terminal devices, such as an on-board system, an APP, an applet, or a mobile device, may be accessed in the air supply region 11, and according to the terminal devices, corresponding environment orders may be input, such as temperature, humidity, air oxygen content, light intensity, and environmental sound, and according to the environment orders, regional characteristic parameters may be further generated.
In a possible embodiment, each seat in the cabin 10 is equipped with a terminal device, on which the passenger can enter a corresponding environment order.
In a possible embodiment, the passenger accesses the rail vehicle network via an APP or applet, and then determines the cabin 10 and the wind supply area 11 on the basis of the verification of the identity information, via which the passenger can enter the corresponding environment order.
In a possible embodiment of the present invention, after the step of generating the area characteristic parameter according to the first ambient temperature requirement, the method specifically includes:
acquiring a second environment order received by the terminal equipment corresponding to the air supply area 11, and extracting a second environment temperature requirement in the second environment order;
and extracting the offset of the first environment temperature requirement and the second environment temperature requirement, and if the offset is greater than a preset offset temperature difference, judging that the first preset target temperature does not accord with the temperature requirement.
Specifically, the present embodiment provides an implementation manner of generating the regional characteristic parameter according to the first ambient temperature requirement, and during the process of receiving and executing the wind supply decision through the terminal device, there is a situation that the passenger may be dissatisfied with the temperature, such as overheating or overcooling, and therefore a situation that the terminal device is reset to generate the second ambient order is made, so that the push of the terminal device for the ambient order needs to be continuously obtained.
In a possible implementation, the regional characteristic parameters are regenerated according to the second ambient temperature requirement in the second ambient order, and then the adjustment of the air supply decision is realized.
In a possible embodiment, if the number of times the passenger adjusts the environmental order reaches a preset number of times, or the offset between the first environmental temperature requirement and the second environmental temperature requirement reaches a preset threshold, the prompt message of replacing the air supply region 11 is directly sent to the terminal device, that is, the passenger is recommended to replace the seat, replace the car 10, or provide corresponding service to meet the requirement of the passenger.
In a possible embodiment of the present invention, the step of generating a wind supply decision corresponding to the wind supply area 11 according to the first wind supply strategy and the first preset target temperature specifically further includes:
acquiring a regional image data stream acquired by each continuous time node of the wind supply region 11 within a second preset time period;
determining each suspected living area corresponding to the wind supply area 11 according to the area image data stream of each continuous time node;
acquiring coordinate information of two adjacent suspected living areas within a second preset time, and generating a mimicry action characteristic of the suspected living areas according to the coordinate information of the two adjacent suspected living areas;
and if the mimicry action characteristic meets the preset action condition, judging that the first preset target temperature does not meet the temperature requirement.
Specifically, the present embodiment provides an implementation manner for determining whether the preset target temperature meets the temperature requirement according to the mimicry motion characteristics, and by acquiring the motion of the passenger, that is, acquiring the data stream of the suspected living body area, and generating the mimicry motion characteristics, the determination of the preset target temperature according to the motion of the passenger is implemented.
In a possible embodiment, if the mimicry motion characteristic satisfies the preset motion condition, the preset motion condition may be any one or a combination of several of wiping sweat, removing clothes, wearing clothes and swinging a fan.
In a possible implementation manner, after the step of determining that the first preset target temperature does not meet the temperature requirement if the mimicry motion characteristic meets the preset motion condition, the method specifically includes:
the first environment temperature, the second environment temperature and the third environment temperature are obtained again, and a fourth air supply strategy and a third preset target temperature are generated;
and updating the air supply decision according to the fourth air supply strategy and the third preset target temperature.
In some embodiments of the invention, the present disclosure provides a rail vehicle, which has the above-mentioned in-vehicle temperature control system of the rail vehicle, or a control method using the above-mentioned in-vehicle temperature control system of the rail vehicle when performing in-vehicle temperature control.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (10)
1. An in-car temperature control system for a rail vehicle, the system comprising: the air conditioning unit, the air supply duct, the first temperature sensor, the second temperature sensor and the controller;
each carriage of the rail vehicle is divided into a plurality of air supply areas;
the air conditioning unit is connected with the plurality of air supply air channels;
the air supply air channels are arranged in one-to-one correspondence with the air supply areas;
the first temperature sensor is arranged in the carriage corresponding to the air supply area and used for detecting a first environmental parameter corresponding to the air supply area in the carriage;
the second temperature sensor is arranged outside the carriage corresponding to the air supply area and used for detecting second environment parameters corresponding to the air supply area outside the carriage;
the controller is respectively connected with the air conditioning unit, the first temperature sensor and the second temperature sensor and used for controlling the air conditioning unit to supply air to the corresponding air supply area according to the first environmental parameter and the second environmental parameter.
2. The in-car temperature control system for a railway vehicle according to claim 1, further comprising: a contactor and a first heater;
the contactors are arranged in one-to-one correspondence with the air supply ducts and are connected with the controller;
the first heaters are arranged on the air conditioning unit and are in one-to-one correspondence with the contactors;
the contactor controls the start and stop of the first heater according to the instruction of the controller, and then the air flow entering the air supply duct is heated.
3. The in-vehicle temperature control system for a railway vehicle according to claim 2, further comprising: a second heater and a third temperature sensor;
the second heater is arranged at one side close to the air outlet of the air supply duct and is connected with the contactor corresponding to the air supply duct;
the third temperature sensor is arranged on one side close to the air outlet of the air supply duct and used for detecting a third environmental parameter of the air outlet of the air supply duct and feeding the third environmental parameter back to the controller.
4. A control method of the in-vehicle temperature control system of the railway vehicle according to any one of claims 1 to 3, characterized by comprising:
responding to a wind supply starting signal, identifying a carriage corresponding to the wind supply starting signal and a wind supply area in the carriage, and extracting an area characteristic parameter of the wind supply area;
acquiring a first environment parameter corresponding to the air supply area in the carriage and a second environment parameter corresponding to the air supply area outside the carriage according to the area characteristic parameters, and generating a first air supply strategy and a first preset target temperature corresponding to the air supply area according to the first environment parameter and the second environment parameter, wherein the first air supply strategy is a strategy for supplying air to an air conditioning unit, and the first preset target temperature is an environment temperature which is required to be reached by the air supply area corresponding to the carriage in the first air supply strategy;
and generating a wind supply decision corresponding to the wind supply area according to the first wind supply strategy and the first preset target temperature.
5. The method according to claim 4, wherein the step of obtaining a first environmental parameter corresponding to the air supply area in the vehicle cabin and a second environmental parameter corresponding to the air supply area outside the vehicle cabin according to the area characteristic parameter, and generating a first air supply strategy and a first preset target temperature corresponding to the air supply area according to the first environmental parameter and the second environmental parameter further includes:
acquiring a third environmental parameter of an air outlet of an air supply duct corresponding to the air supply area;
generating a second air supply strategy according to the first environmental parameter, the second environmental parameter and the third environmental parameter;
and generating a wind supply decision corresponding to the wind supply area according to the second wind supply strategy and the first preset target temperature.
6. The method according to claim 5, wherein after the step of generating the air supply decision corresponding to the air supply area according to the second air supply strategy and the first preset target temperature, the method further comprises:
after the air supply decision supplies air to the air supply area in the carriage for a first preset time, acquiring the first environmental parameter, the second environmental parameter and the third environmental parameter;
generating a third air supply strategy and a second preset target temperature according to the first environmental parameter, the second environmental parameter, the third environmental parameter and the first preset target temperature;
and updating the air supply decision corresponding to the air supply area according to the third air supply strategy and the second preset target temperature.
7. The method according to any one of claims 4 to 6, wherein in the step of identifying a car and a wind supply area in the car corresponding to the wind supply start signal in response to the wind supply start signal and extracting an area characteristic parameter of the wind supply area, the method specifically comprises:
responding to the wind supply starting signal, acquiring a wind supply area corresponding to the wind supply starting signal, and identifying terminal equipment accessed to the wind supply area, wherein the terminal equipment is at least used for receiving a first environment order, and the first environment order at least comprises a first environment temperature requirement corresponding to the wind supply area;
acquiring all the first environment orders received by the terminal equipment, and extracting the first environment temperature requirements corresponding to the air supply area in all the first environment orders;
and generating the area characteristic parameters according to the first environment temperature requirement.
8. The method according to claim 7, further comprising, after the step of generating the area characteristic parameter according to the first ambient temperature requirement:
acquiring a second environment order received by the terminal equipment corresponding to the air supply area, and extracting a second environment temperature requirement in the second environment order;
and extracting the offset of the first environment temperature requirement and the second environment temperature requirement, and if the offset is greater than a preset offset temperature difference, judging that the first preset target temperature does not accord with the temperature requirement.
9. The method according to any one of claims 4 to 6, wherein the step of generating a wind supply decision corresponding to the wind supply area according to the first wind supply strategy and the first preset target temperature further includes:
acquiring a regional image data stream acquired by each continuous time node of the wind supply region within a second preset time period;
determining each suspected living body area corresponding to the wind supply area according to the area image data stream of each continuous time node;
acquiring coordinate information of the two adjacent suspected living body areas within the second preset time, and generating a mimicry action characteristic of the suspected living body areas according to the coordinate information of the two adjacent suspected living body areas;
and if the mimicry action characteristic meets a preset action condition, judging that the first preset target temperature does not meet the temperature requirement.
10. A rail vehicle having the in-vehicle temperature control system of the rail vehicle according to any one of claims 1 to 3, or a control method using the in-vehicle temperature control system of the rail vehicle according to any one of claims 4 to 9 when performing in-vehicle temperature control.
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