CN113375304B - Pre-adjusting method for air conditioning system of subway station - Google Patents
Pre-adjusting method for air conditioning system of subway station Download PDFInfo
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- CN113375304B CN113375304B CN202110608418.0A CN202110608418A CN113375304B CN 113375304 B CN113375304 B CN 113375304B CN 202110608418 A CN202110608418 A CN 202110608418A CN 113375304 B CN113375304 B CN 113375304B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
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Abstract
The invention designs a method for pre-adjusting an air conditioning system of a subway station. The method comprises the following steps: the subway station air conditioning system operates with first output cooling capacity in a peak period and operates with second output cooling capacity in a low peak period, and the first output cooling capacity is larger than the second output cooling capacity; the working process in the low peak period is as follows: s1, judging whether the estimated time of the subway train from reaching the subway station reaches a first preset time or not; and S2, if yes, increasing the output cold quantity of the air conditioning system of the subway station. The invention pre-adjusts the air conditioning system of the subway station before the subway train enters the station, thereby reducing the influence of the train entering the station on the environment in the station, improving the experience in the passenger station and simultaneously reducing the energy consumption of the air conditioning system of the subway station.
Description
Technical Field
The invention relates to the field of air conditioning systems of subway stations, in particular to a pre-adjusting method of an air conditioning system of a subway station.
Background
Subway systems are increasingly important in modern urban life, and subway station air conditioning systems are important components of subway stations. In the prior art, the air conditioning system of the subway station runs with the same cooling capacity in the peak period and the low peak period, and the energy consumption of the subway station is increased. In addition, the existing adjusting method of the air conditioning system of the subway station has limitation and hysteresis, wherein the limitation means that the air conditioning system only collects parameters in the subway station, such as the temperature in the station, the number of people in the station and the like, and the influence of factors except the station on the temperature in the station, such as fresh air brought by train entering the station, is not considered. The hysteresis refers to the adjustment process lag of the air conditioning system of the subway, for example, the fresh air is brought when the subway train enters the station, so that the temperature change in the subway station is caused, and the air conditioning system can be started and adjusted after acquiring the temperature change. For another example, the subway station adopts a method for adjusting the number of people in the station, and the adjustment is started after the change of the number of people in the station is monitored. Because the existing adjusting method has limitation and hysteresis, the adjustment is started when the passengers are in the station, the adjustment may not be completed when the passengers are out of the station, and the air-conditioning system is always in the adjusting process when the passengers are in the station, so that the temperature in the subway station cannot be at the optimal temperature, and the experience of the passengers in the station is poor.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method for pre-adjusting an air conditioning system of a subway station, aiming at the above-mentioned defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a pre-adjusting method for an air conditioning system of a subway station is constructed, and comprises the following steps: the air conditioning system of the subway station runs by using first output cold energy in a peak period and runs by using second output cold energy in a low peak period, wherein the first output cold energy is larger than the second output cold energy; the working process of the low peak period is as follows:
s1, judging whether the estimated time of the distance between the subway train and the subway station reaches a first preset time or not;
and S2, if yes, increasing the output cold quantity of the air conditioning system of the subway station.
Further, in the method for pre-adjusting the air conditioning system of the subway station, the pre-estimated time is calculated according to the line length of the subway train from the subway station and the current speed; or
And counting historical driving time data to obtain an average position corresponding to the first preset time, and considering that the estimated time reaches the first preset time when the subway train reaches the average position.
Further, in the method for pre-adjusting an air conditioning system of a subway station, step S1 further includes: counting the number of current passengers on the subway train, and calculating the number of passengers getting off in advance according to the number of the current passengers and an average getting off ratio, wherein the average getting off ratio is obtained by counting historical getting off data;
in the step S2, the increase range of the output cooling capacity of the air conditioning system at the subway station is determined according to the number of passengers getting off the train in advance.
Further, in the method for pre-adjusting an air conditioning system of a subway station, step S1 further includes: acquiring a first indoor temperature in the subway station when the estimated time of the subway train to reach the subway station reaches the first preset time;
in the step S2, the increase amplitude of the output cooling capacity of the air conditioning system of the subway station is determined according to the difference between the first indoor temperature and the first preset temperature.
Further, in the method for pre-adjusting an air conditioning system of a subway station, step S1 further includes: acquiring the compartment temperature in the railway train compartment when the estimated time of the subway train from reaching the subway station reaches the first preset time;
in the step S2, the increase amplitude of the output cold quantity of the air conditioning system of the subway station is determined according to the temperature of the carriage.
Further, in the method for pre-adjusting an air conditioning system of a subway station according to the present invention, the step S1 further includes: acquiring the tunnel temperature in the iron tunnel when the estimated time of the subway train from reaching the subway station reaches the first preset time;
and in the step S2, determining the increase amplitude of the output cold quantity of the air conditioning system of the subway station according to the tunnel temperature.
Further, in the method for pre-adjusting an air conditioning system of a subway station according to the present invention, the step S2 of increasing the output cooling capacity of the air conditioning system of the subway station includes:
increasing the air output of the air conditioning system of the subway station; and/or
And the air outlet temperature of the air conditioning system of the subway station is reduced.
Further, in the method for pre-adjusting an air conditioning system of a subway station according to the present invention, after step S2, the method further includes:
and S3, after delaying for a second preset time after the shielding door corresponding to the subway train is closed, the subway station air conditioning system recovers to the preset output cold quantity before adjustment.
Further, in the method for pre-adjusting the air conditioning system of the subway station, a second indoor temperature in the subway station is obtained after the shielding door corresponding to the subway train is closed, and the second preset time is determined according to the difference value between the second indoor temperature and the second preset temperature.
Further, in the method for pre-adjusting an air conditioning system of a subway station according to the present invention, if the subway station includes at least two floors, the step S2 of increasing the output cooling capacity of the air conditioning system of the subway station includes: and increasing the output cold quantity of the air conditioning system of the subway station on the arrival floor of the subway train.
The implementation of the preconditioning method of the air conditioning system of the subway station has the following beneficial effects: the invention pre-adjusts the air conditioning system of the subway station before the subway train enters the station, thereby reducing the influence of the train entering the station on the environment in the station, improving the experience in the passenger station and simultaneously reducing the energy consumption of the air conditioning system of the subway station.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a flowchart of a method for pre-adjusting an air conditioning system of a subway station according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for pre-adjusting an air conditioning system of a subway station according to an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
In a preferred embodiment, referring to fig. 1, the pre-conditioning method for the air conditioning system of the subway station of the embodiment includes the following steps: the air conditioning system of the subway station operates with first output cooling capacity in the peak period and operates with second output cooling capacity in the low peak period; more passengers are in the peak period, the train enters and exits the station frequently, fewer passengers are in the low peak period, and the train entering and exiting frequency is lower, so that the first output cold quantity is greater than the second output cold quantity. The peak period is a time period with large pedestrian flow of the subway station, such as 7 to 9 am and 5 to 7 pm; the low peak period is a time period when the passenger flow of the subway station is small, and the high peak period and the low peak period can be obtained by monitoring the passenger flow of the subway station. Because the running interval of the subway train is larger in the low peak period, the air conditioning system of the subway station runs by the second output cold quantity when the train does not get into the station, and the following working process is executed in the low peak period:
and S1, judging whether the estimated time of the distance between the subway train and the subway station reaches a first preset time. The subway station air conditioning system can be connected with the subway control system, real-time running data of the trains are obtained from the subway control system, and estimated time of the distance between the subway trains and the stations is calculated according to the real-time running data. For example, the current position and the current speed of a subway train are obtained, and the estimated time is calculated according to the line length of the subway train from a subway station and the current speed; for another example, the historical driving time data is counted to obtain an average position corresponding to the first preset time, and the estimated time is considered to reach the first preset time when the subway train reaches the average position. It can be understood that the estimated time of the subway train reaching the subway station gradually decreases from large to small, and whether the estimated time reaches the first preset time or not is judged, namely whether the estimated time decreases to the first preset time or not is judged. The first preset time may be set as desired, for example, 30 seconds, 50 seconds, 80 seconds, etc.
And S2, if the estimated time of the subway train to reach the subway station reaches a first preset time, increasing the output cold quantity of the air conditioning system of the subway station. There are multiple modes to increase subway station air conditioning system's output cold volume, for example increase subway station air conditioning system's air output, reduce subway station air conditioning system's air-out temperature etc. the purpose of increase output cold volume is to reduce the temperature in the subway station, and other cold volume increasing's modes among the prior art also can be used to this embodiment. The embodiment increases the output cold quantity of the air conditioning system of the subway station before the subway train enters the station, and pre-adjusts the subway station, so that the influence of the passengers getting off the train and the fresh air brought by the train on the station when the train enters the station can be counteracted, and the passengers have good experience from getting off the train to getting off the station. Alternatively, when the output cold quantity of the air conditioning system of the subway station is increased, the preset cold quantity can be fixedly increased, and dynamic adjustment can be performed by referring to other factors.
Alternatively, if the subway station includes at least two floors, the increasing of the cooling capacity output by the air conditioning system of the subway station in step S2 includes: and increasing the output cold quantity of the air conditioning system of the subway station on the arrival floor of the subway train.
This embodiment preconditions subway station air conditioning system before subway train arrival to reduce the influence of vehicle arrival to the in-station environment, improve passenger and stand interior experience, reduce subway station air conditioning system energy consumption simultaneously.
In the method for pre-adjusting an air conditioning system of a subway station of an embodiment, step S1 further includes: counting the number of current passengers on the subway train, and calculating the number of passengers getting off in advance according to the number of the current passengers and the average getting off ratio, wherein the data of the current passengers can be counted by using a camera arranged in a carriage, and the average getting off ratio is obtained by counting historical getting off data. It can be understood that the number of passengers getting off the vehicle in advance is not the actual number of passengers getting off the vehicle, but the average getting-off ratio obtained through statistics of a large amount of historical data has higher reliability, so that the number of passengers getting off the vehicle in advance is closer to the actual number of passengers getting off the vehicle. Correspondingly, in step S2, the increase amplitude of the output cooling capacity of the air conditioning system of the subway station is determined according to the number of passengers getting off in advance, and the increase amplitude of the output cooling capacity of the air conditioning system of the subway station is larger when the number of passengers getting off in advance is larger.
The embodiment further considers the influence of the passengers to get off on the temperature in the subway station, and adjusts the increase amplitude of the output cold quantity of the air conditioning system in the subway station according to the number of the passengers getting off in advance, thereby offsetting the influence of the passengers getting off on the environment in the station and improving the experience in the passenger station.
In the method for pre-adjusting an air conditioning system of a subway station of an embodiment, step S1 further includes: the method comprises the steps of obtaining a first indoor temperature in the subway station when the estimated time of the subway train from reaching the subway station reaches a first preset time. A plurality of temperature sensors can be arranged in the subway station, and the average value of the temperatures collected by the plurality of temperature sensors is calculated to be used as the first indoor temperature in the subway station. Correspondingly, in step S2, the increasing amplitude of the output cooling capacity of the air conditioning system of the subway station is determined according to the difference between the first indoor temperature and the first preset temperature, and when the first indoor temperature is higher than the first preset temperature, the larger the difference between the first indoor temperature and the first preset temperature is, the larger the increasing amplitude of the output cooling capacity of the air conditioning system of the subway station is. When the first indoor temperature is lower than the first preset temperature, the larger the difference between the first indoor temperature and the first preset temperature is, the smaller the increase amplitude of the output cold quantity of the air conditioning system of the subway station is.
The temperature in the subway station before the subway train arrives is further considered to this embodiment for subway station air conditioning system's the cold volume of output increase range is more accurate, satisfies regulation and control demand furthest simultaneously and reduces the air conditioner energy consumption, and in time adjusts the cold volume of output to the air conditioner, and furthest reduces because of the impact to air conditioning system under the big passenger flow condition, satisfies the comfortable efficiency that promotes air conditioning system simultaneously of passenger in the station room.
In the method for pre-adjusting an air conditioning system of a subway station of an embodiment, step S1 further includes: and obtaining the carriage temperature in the subway train carriage when the estimated time of the distance of the subway train to the subway station reaches a first preset time. After the subway train enters the station, along with the opening of the shielding door, the air in the carriage can enter the station, and the temperature in the station is influenced. The temperature of the carriage in the subway train carriage is acquired by a temperature sensor arranged on the train and is transmitted to an air conditioning system of a subway station through a subway control system. Correspondingly, in step S2, the increase amplitude of the output cooling capacity of the air conditioning system of the subway station is determined according to the temperature of the carriage, and if the temperature of the carriage is higher than the first preset temperature, the larger the difference between the temperature of the carriage and the first preset temperature is, the larger the increase amplitude of the output cooling capacity of the air conditioning system of the subway station is. If the temperature of the carriage is lower than the first preset temperature, the larger the difference value between the temperature of the carriage and the first preset temperature is, the smaller the increase amplitude of the output cold quantity of the air conditioning system of the subway station is.
The carriage temperature of the subway train before the arrival of the subway train is further considered in the embodiment, so that the increase amplitude of the output cold quantity of the air conditioning system of the subway station is more accurate, the regulation and control requirements are met, and the air conditioning energy consumption is reduced to the maximum extent.
In the method for pre-adjusting an air conditioning system of a subway station of an embodiment, step S1 further includes: and acquiring the tunnel temperature in the iron tunnel when the estimated time of the subway train from reaching the subway station reaches a first preset time. After the subway train enters the station, along with the opening of shield door, the air in the tunnel can enter the station, influences the interior temperature of station. A plurality of temperature sensors can be arranged in the tunnel, the average value of the plurality of temperature sensors is used as the tunnel temperature, the temperature sensors are connected with the air conditioning system of the subway station, and the tunnel temperature is transmitted to the air conditioning system of the subway station. Correspondingly, in step S2, the increase amplitude of the output cooling capacity of the air conditioning system of the subway station is determined according to the tunnel temperature. If the tunnel temperature is higher than the first preset temperature, the larger the difference between the tunnel temperature and the first preset temperature is, the larger the increase amplitude of the output cold quantity of the air conditioning system of the subway station is. If the tunnel temperature is lower than the first preset temperature, the larger the difference value between the tunnel temperature and the first preset temperature is, the smaller the increase amplitude of the output cold quantity of the air conditioning system of the subway station is.
The temperature in tunnel before subway train arrival is further considered in this embodiment for the increase range of subway station air conditioning system's output cold volume is more accurate, satisfies the regulation and control demand and furthest reduces the air conditioner energy consumption simultaneously.
In the method for pre-adjusting an air conditioning system of a subway station of an embodiment, referring to fig. 2, after step S2, the method further includes: and S3, after delaying for a second preset time after the shielding door corresponding to the subway train is closed, the subway station air conditioning system recovers to the preset output cold quantity before adjustment. After the passengers finish getting off the subway train, the shielding door of the subway train is closed, but the passengers can completely leave the subway station within several minutes, in order to ensure good experience of taking a bus in the station, the subway station air conditioning system delays for a second preset time after the shielding door is closed, even if the subway station air conditioning system continues to keep high-output cold running for the second preset time, the subway station air conditioning system recovers to the preset output cold before adjustment after the passengers leave the station. This embodiment makes subway station air conditioning system keep the cold volume of high output operation a period after the shield door is closed, guarantees that the passenger has better experience when leaving the station.
In the method for pre-adjusting the air conditioning system of the subway station, a second indoor temperature in the subway station is obtained after a shielding door corresponding to a subway train is closed, and a second preset time is determined according to a difference value between the second indoor temperature and a second preset temperature. Although the above embodiment has adopted a pre-adjustment manner to counteract the influence of train entering on the temperature in the station, this cannot be controlled completely accurately, so after the shielding door is closed, the second indoor temperature in the subway station is obtained, and the second preset time is determined by the difference between the second indoor temperature and the second preset temperature. So as to ensure that the temperature in the station is recovered to the second preset temperature.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed in the embodiment corresponds to the method disclosed in the embodiment, so that the description is simple, and the relevant points can be referred to the description of the method part.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above embodiments are only for illustrating the technical idea and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (8)
1. The pre-adjusting method of the air conditioning system of the subway station is characterized by comprising the following steps of: the air conditioning system of the subway station runs by using first output cold energy in a peak period and runs by using second output cold energy in a low peak period, wherein the first output cold energy is larger than the second output cold energy; the working process of the low peak period is as follows:
s1, judging whether the estimated time of the subway train from reaching the subway station reaches a first preset time or not;
s2, if yes, increasing the output cold quantity of the air conditioning system of the subway station;
the step S1 further includes: acquiring the compartment temperature in the railway train compartment when the estimated time of the subway train from reaching the subway station reaches the first preset time;
in the step S2, the increase amplitude of the output cooling capacity of the air conditioning system of the subway station is determined according to the temperature of the carriage;
the step S1 further includes: acquiring the tunnel temperature in the iron tunnel when the estimated time of the distance between the subway train and the subway station reaches the first preset time;
and in the step S2, determining the increase amplitude of the output cold quantity of the air conditioning system of the subway station according to the tunnel temperature.
2. The pre-conditioning method for the air conditioning system of the subway station as claimed in claim 1, wherein said estimated time is calculated according to the length of the line of the subway train from the subway station and the current speed; or
And counting historical driving time data to obtain an average position corresponding to the first preset time, and considering that the estimated time reaches the first preset time when the subway train reaches the average position.
3. The pre-conditioning method for the air conditioning system of the subway station as claimed in claim 1, wherein said step S1 further comprises: counting the number of current passengers on the subway train, and calculating the number of passengers getting off in advance according to the number of the current passengers and an average getting off ratio, wherein the average getting off ratio is obtained by counting historical getting off data;
and in the step S2, the increase amplitude of the output cold quantity of the air conditioning system of the subway station is determined according to the number of passengers getting off the train in advance.
4. The pre-conditioning method for the air conditioning system of the subway station as claimed in claim 1, wherein said step S1 further comprises: acquiring a first indoor temperature in the subway station when the estimated time of the distance between the subway train and the subway station reaches the first preset time;
and in the step S2, determining an increase amplitude of the output cooling capacity of the air conditioning system of the subway station according to the difference between the first indoor temperature and the first preset temperature.
5. The method for pre-adjusting the air conditioning system of the subway station as claimed in claim 1, wherein said step S2 of increasing the output cooling capacity of the air conditioning system of the subway station comprises:
increasing the air output of the air conditioning system of the subway station; and/or
And reducing the air outlet temperature of the air conditioning system of the subway station.
6. The pre-conditioning method for the air conditioning system of the subway station as claimed in claim 1, further comprising after said step S2:
and S3, after delaying for a second preset time after the shielding door corresponding to the subway train is closed, restoring the subway station air conditioning system to the preset output cold quantity before adjustment.
7. The pre-adjusting method for the air conditioning system of the subway station as claimed in claim 6, wherein a second indoor temperature in the subway station is obtained after a shielding door corresponding to said subway train is closed, and said second preset time is determined by a difference value between said second indoor temperature and a second preset temperature.
8. The pre-conditioning method for the air conditioning system of the subway station as claimed in claim 1, wherein if said subway station includes at least two floors, said step S2 of increasing the output cold of the air conditioning system of the subway station comprises: and increasing the output cold quantity of the air conditioning system of the subway station on the arrival floor of the subway train.
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| CN106338127B (en) * | 2016-09-20 | 2018-06-22 | 珠海格力电器股份有限公司 | For the load prediction of subway heating ventilation air-conditioning system and control system and its method |
| CN109130767B (en) * | 2017-06-28 | 2020-08-11 | 北京交通大学 | Passenger flow-based intelligent control method for rail transit station ventilation air-conditioning system |
| CN108006905B (en) * | 2017-10-20 | 2020-09-01 | 广州地铁设计研究院股份有限公司 | Fresh air control method for subway air conditioner |
| CN107940693B (en) * | 2017-11-14 | 2019-12-06 | 珠海格力电器股份有限公司 | air conditioner load regulation control method and device |
| CN108644980B (en) * | 2018-05-03 | 2021-01-29 | 广东工业大学 | Power consumption calculation method and system of subway station ventilation air-conditioning system and storage medium |
| KR102182147B1 (en) * | 2018-06-07 | 2020-11-23 | 주식회사 애니텍 | Air purifier for subway platform |
| CN109899935B (en) * | 2019-02-22 | 2020-09-04 | 珠海格力电器股份有限公司 | Rail transit refrigerating system and intelligent adjusting method and device thereof |
| CN109916016A (en) * | 2019-03-20 | 2019-06-21 | 珠海格力电器股份有限公司 | A kind of method and device preventing air conditioner load control lag |
| CN110332647B (en) * | 2019-07-11 | 2021-02-02 | 四川聚智精创轨道交通科技有限公司 | Load prediction method for air conditioning system of underground station of subway and air conditioning system |
| CN110852658A (en) * | 2020-01-15 | 2020-02-28 | 深圳市都市交通规划设计研究院有限公司 | Subway station passenger flow organization system and method |
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