CN102233879A - Control method and control system for air-conditioning fresh air of rail vehicle - Google Patents
Control method and control system for air-conditioning fresh air of rail vehicle Download PDFInfo
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- CN102233879A CN102233879A CN2010101607210A CN201010160721A CN102233879A CN 102233879 A CN102233879 A CN 102233879A CN 2010101607210 A CN2010101607210 A CN 2010101607210A CN 201010160721 A CN201010160721 A CN 201010160721A CN 102233879 A CN102233879 A CN 102233879A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The invention relates to a control method and a control system for the air-conditioning fresh air of a rail vehicle. A vehicle body is provided with a weight detection mechanism for detecting the weight of the vehicle; the weight detection mechanism transmits a detection signal to a central control unit; the central control unit processes the detection signal received from the weight detection mechanism, converts the detection signal into a corresponding weight signal, and transmits the weight signal to an air-conditioning control system; and the air-conditioning control system converts the weight signal into the number of passengers according to the weight of the vehicle to control the opening of a fresh air regulating valve. The number of the passengers is determined according to the weight of the vehicle, and the opening of the fresh air regulating valve in an air-conditioning system is controlled by gears, so that the aim of controlling fresh air amount is fulfilled, energy is saved, consumption is reduced, and the control method is simple, safe and reliable, and easy to operate.
Description
Technical field
The present invention relates to a kind of air conditioner fresh air control system, particularly a kind of air conditioner fresh air control system of on guideway vehicle, using.
Background technology
City railway vehicle is because the restriction of condition of service and for reducing air conditioner load and energy consumption, and its leakproofness is had relatively high expectations, and for satisfying the requirement of sanitary condition and ventilation in the compartment, generally adopts VMC to send new wind to each compartment.Every joint compartment of guideway vehicle all is provided with the air-conditioning unit, be provided with new wind inlet in the air-conditioning unit, the new wind that from outdoor environment, sucks with enter the air conditioner group after the return air in the compartment mixes, after refrigeration is handled, enter in the compartment again, in regulating the compartment, in the temperature, remain the freshness of air in a car compartment.
City railway vehicle personnel load is bigger, and differs greatly with all the other time personnel loads when peak on and off duty, and day part is to the demand of new wind also difference fully.Traditional guideway vehicle VMC, be the mono-regulative mode, can not control resh air requirement according to the actual new wind demand in the compartment, like this, will too much increase the energy consumption of a/c system because of introducing new wind flow, perhaps very few because introduce new wind flow, can't satisfy the requirement of passenger to new wind, various malaise symptoms appear.
In existing technology,, the description of controlling resh air requirement based on new wind demand is arranged for the building that leakproofness is had relatively high expectations.Chinese patent " a kind of new trend controller that detects based on occupancy " as the patent No. 03117076.5, has real-time number detection module in this controller, the number detection module is according to current time and last new wind ventilation volume constantly in real time, and current time and last return air CO constantly
2The new wind CO of concentration and current time
2Concentration is determined the occupancy of current time, and this signal is transferred to control module, calculates current required new wind ventilation volume by control module, thereby controls the aperture of new wind air-valve.In the Chinese patent " a kind of central air conditioner system resh air requirement control setup " of the patent No. 200910307103.1, the new wind CO of a kind of basic detection is also disclosed
2Concentration and return air CO
2Concentration is controlled the aperture of new air-valve, thereby regulates the device of resh air requirement.
But the mode of above-mentioned two kinds of resh air requirements control all is the air conditioner systems that are applied to building, and is not suitable for city railway vehicle that guideway vehicle is the density of personnel height when the peak, and flow of personnel is bigger, and inapplicable employing detects CO
2The mode of concentration is carried out the control of resh air requirement, and the operational pattern complexity.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, provides a kind of and can regulate new wind flow according to the patronage of guideway vehicle day part, and then reach purpose of energy saving and satisfy the guideway vehicle air conditioner fresh air control method of passenger demand.
Another object of the present invention is, provides a kind of and can regulate new wind flow according to the patronage of guideway vehicle day part, and then reach purpose of energy saving and satisfy the guideway vehicle air conditioner fresh air control system of passenger demand.
For achieving the above object, technical scheme of the present invention is:
A kind of guideway vehicle air conditioner fresh air control method, on car body, be provided for detecting the weight detecting mechanism of vehicle weight, weight detecting mechanism transfers to vehicle drivers chamber Central Processing Unit (CPU) with detection signal, by described Central Processing Unit (CPU) corresponding weight signal is handled and be converted into to the detection signal that receives from described weight detecting mechanism, again weight signal is sent to air-conditioner control system, described air-conditioner control system is according to vehicle weight or further vehicle weight is scaled patronage to control the aperture of new wind control cock.
Described air-conditioner control system is divided into some grades of setting storages with the numerical value of vehicle weight in advance, the aperture of a new wind control cock of every grade of correspondence, and air-conditioner control system is controlled the aperture of new wind control cock according to the weight signal stepping that receives.
A kind of guideway vehicle air conditioner fresh air control system that adopts said method, comprise the weight detecting mechanism that is used to detect vehicle weight, the load real-time monitoring module, new wind flow control module, electronic new wind control cock, described load real-time monitoring module is arranged in the Central Processing Unit (CPU) of vehicle drivers chamber, described weight detecting mechanism is connected with the load real-time monitoring module by signal, described new wind flow control module is arranged in the air-conditioner control system and with described load real-time monitoring module by signal and is connected, described electronic new wind control cock is arranged at the new wind entrance of air-conditioning unit, and described electronic new wind control cock is connected with new wind flow control module signal in the air-conditioner control system.
Described weight detecting mechanism comprises the air bellow that is fixed between bogie truck and the car body, and described air bellow connects a pressure sensor, and described pressure sensor is connected with the load real-time monitoring module.
Described air bellow is connected with described pressure sensor by detecting flexible pipe, and described pressure sensor is arranged in the vehicle braking control unit.
Described new wind flow control module is divided into some grades of setting storages with the numerical value of vehicle weight in advance, every grade of aperture of controlling an electronic new wind control cock respectively, new wind flow control module is controlled the aperture of electronic new wind control cock according to the weight signal stepping that receives.
Content to sum up, guideway vehicle air conditioner fresh air control method of the present invention and control system thereof, be that air-conditioner control system passes through the vehicle weight signal that obtains from the vehicle central control unit, and according to weight signal judgement patronage, the aperture of new wind control cock in the stepping time control a/c system, and then reach the purpose of controlling resh air requirement, energy-saving and cost-reducing, control method is simple to operation, and safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the new wind control system of the present invention;
Fig. 2 is a weight detecting mechanism structural representation of the present invention.
As depicted in figs. 1 and 2, Central Processing Unit (CPU) 1, load real-time monitoring module 2, new wind flow control module 3, new wind control cock 4, air-conditioner control system 5, weight detecting mechanism 6, air bellow 7, bogie truck 8, car body 9 detects flexible pipe 10, pressure sensor 11.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail:
As shown in Figure 1, on every joint compartment of guideway vehicle, all be provided with the air-conditioning unit, be provided with new wind inlet in the air-conditioning unit, fresh air from new wind entrance suction car external environment, in new wind entrance one electronic new wind control cock 4 is set, the aperture of electronic new wind control cock 4 is by new wind flow control module 3 controls that are arranged in the air-conditioner control system 5.
Be provided for detecting the weight detecting mechanism 6 of vehicle weight on car body, be correspondingly provided with load real-time monitoring module 2 in the Central Processing Unit (CPU) 1 of vehicle drivers chamber, weight detecting mechanism 6 is connected with load real-time monitoring module 2 signals.
As shown in Figure 2, weight detecting mechanism 6 comprises the air bellow 7 that is fixed between bogie truck 8 and the car body 9, air bellow 7 connects one and detects flexible pipe 10, the other end of detection flexible pipe 10 is connected in the pressure sensor 11 in the vehicle braking control unit, pressure sensor 11 is used for detecting the pressure variation of air bellow 7 air, when passengers quantity changes in the compartment, pressure sensor 11 detected data also change thereupon, and pressure sensor 11 converts detected pressure signal to electric signal and transfers to load real-time monitoring module 2 in the vehicle central control unit 1.
Load real-time monitoring module 2 will be handled from the electric signal that pressure sensor 11 receives, and be converted into corresponding weight signal, this weight signal will be sent to the new wind flow control module 3 in the air-conditioner control system 5 again.
In order to simplify mode, in the present embodiment, new wind flow control module 3 is divided into some grades of setting storages with the numerical value of vehicle weight in advance, the aperture of a new wind control cock 4 of every grade of correspondence, new wind flow control module 3 is according to the aperture of the weight signal stepping that the receives time new wind control cock 4 of control.
New wind flow control module 3 can further be converted into patronage with the vehicle weight that receives again, and the aperture of the stepping time new wind control cock 4 of control.
Vehicle weight is converted into this step of patronage also can be finished in Central Processing Unit (CPU).
City railway vehicle when peak on and off duty and all the other time personnel load differ greatly, when peak on and off duty, density of personnel in the compartment significantly strengthens, at this moment, needing in the compartment increases the demand that resh air requirement satisfies the passenger, and in all the other times, the density of personnel in the compartment is less, just can suitably reduce resh air requirement, reduce the a/c system energy consumption.The vehicle weight signal of air-conditioner control system 5 by obtaining from vehicle central control unit 1, according to the patronage in the weight signal judgement compartment, stepping is controlled the aperture of new wind control cock 4 in the a/c system, and then reaches the purpose of control resh air requirement.
In the present embodiment, the weight of vehicle is divided into three class, specifies as follows:
When vehicle weight is 25t～37t, control electronic new wind control cock 4 at one grade, at this moment, resh air requirement is controlled greatly about 1400m
3/ h.
When vehicle weight 38t～42t, control electronic new wind control cock 4 at second gear, at this moment, resh air requirement is controlled greatly about 2000m
3/ h.
When vehicle weight during greater than 43t, control electronic new wind control cock 4 standard-sized sheets, at this moment, resh air requirement is controlled greatly about 2600m
3/ h.
Weight stepping standard has certain difference in above-mentioned in different guideway vehicles, with the corresponding resh air requirement control criterion of weight also can be and different according to different situations.
As mentioned above, given in conjunction with the accompanying drawings scheme content can derive the similar techniques scheme.In every case be the content that does not break away from technical solution of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical solution of the present invention according to technical spirit of the present invention.
Claims (6)
1. guideway vehicle air conditioner fresh air control method, it is characterized in that: the weight detecting mechanism that on car body, is provided for detecting vehicle weight, weight detecting mechanism transfers to vehicle drivers chamber Central Processing Unit (CPU) with detection signal, by described Central Processing Unit (CPU) corresponding weight signal is handled and be converted into to the detection signal that receives from described weight detecting mechanism, again weight signal is sent to air-conditioner control system, described air-conditioner control system is according to vehicle weight or further vehicle weight is scaled patronage to control the aperture of new wind control cock.
2. guideway vehicle air conditioner fresh air control method according to claim 1, it is characterized in that: described air-conditioner control system is divided into some grades of setting storages with the numerical value of vehicle weight in advance, the aperture of a new wind control cock of every grade of correspondence, air-conditioner control system are controlled the aperture of new wind control cock according to the weight signal stepping that receives.
3. one kind is adopted the guideway vehicle air conditioner fresh air control system of method according to claim 1, it is characterized in that: comprise the weight detecting mechanism that is used to detect vehicle weight, the load real-time monitoring module, new wind flow control module, electronic new wind control cock, described load real-time monitoring module is arranged in the Central Processing Unit (CPU) of vehicle drivers chamber, described weight detecting mechanism is connected with the load real-time monitoring module by signal, described new wind flow control module is arranged in the air-conditioner control system and with described load real-time monitoring module by signal and is connected, described electronic new wind control cock is arranged at the new wind entrance of air-conditioning unit, and described electronic new wind control cock is connected with new wind flow control module signal in the air-conditioner control system.
4. guideway vehicle air conditioner fresh air control system according to claim 3, it is characterized in that: described weight detecting mechanism comprises the air bellow that is fixed between bogie truck and the car body, described air bellow connects a pressure sensor, and described pressure sensor is connected with the load real-time monitoring module.
5. guideway vehicle air conditioner fresh air control system according to claim 4 is characterized in that: described air bellow is connected with described pressure sensor by detecting flexible pipe, and described pressure sensor is arranged in the vehicle braking control unit.
6. according to each described guideway vehicle air conditioner fresh air control system of claim 3 to 5, it is characterized in that: described new wind flow control module is divided into some grades of setting storages with the numerical value of vehicle weight in advance, every grade of aperture of controlling an electronic new wind control cock respectively, new wind flow control module is controlled the aperture of electronic new wind control cock according to the weight signal stepping that receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101607210A CN102233879A (en) | 2010-04-30 | 2010-04-30 | Control method and control system for air-conditioning fresh air of rail vehicle |
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|---|---|---|---|
| CN2010101607210A CN102233879A (en) | 2010-04-30 | 2010-04-30 | Control method and control system for air-conditioning fresh air of rail vehicle |
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| CN2010101607210A Pending CN102233879A (en) | 2010-04-30 | 2010-04-30 | Control method and control system for air-conditioning fresh air of rail vehicle |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874264A (en) * | 2012-10-31 | 2013-01-16 | 株洲南车时代电气股份有限公司 | Ventilation device for bullet train |
| CN103574836A (en) * | 2012-07-31 | 2014-02-12 | 珠海格力电器股份有限公司 | Fresh air valve opening control method and device and air conditioner |
| CN103738348A (en) * | 2013-12-27 | 2014-04-23 | 南车青岛四方机车车辆股份有限公司 | Inter-city rail transit vehicle |
| CN105216812A (en) * | 2015-09-08 | 2016-01-06 | 石家庄国祥运输设备有限公司 | The essence that high speed train is suitable for controls the control method of new wind control cock |
| CN106004905A (en) * | 2016-07-28 | 2016-10-12 | 中车建设工程有限公司 | Train air conditioner control method achieving quick response |
| CN106184252A (en) * | 2016-07-28 | 2016-12-07 | 中车建设工程有限公司 | Train air-conditioning duty control method based on passenger's weighing system and confirmation method |
| CN108515977A (en) * | 2018-03-29 | 2018-09-11 | 广州电力机车有限公司 | A kind of energy storage type tramcar energy-saving control method |
| CN109334692A (en) * | 2018-10-10 | 2019-02-15 | 重庆中车四方所科技有限公司 | A kind of rail traffic vehicles guest room ventilation intelligence control system and method |
| CN110696857A (en) * | 2019-11-07 | 2020-01-17 | 中国计量大学 | Fresh air control system for intelligent adjustment of passenger-carrying saturation of subway carriage |
| CN111516719A (en) * | 2020-05-22 | 2020-08-11 | 中车株洲电力机车有限公司 | Air conditioner control method and system for railway vehicle |
| CN112549898A (en) * | 2020-10-09 | 2021-03-26 | 中车青岛四方机车车辆股份有限公司 | Vehicle air conditioner control method and control system thereof |
| CN113085930A (en) * | 2021-04-30 | 2021-07-09 | 中车青岛四方机车车辆股份有限公司 | Air supply control method for railway vehicle and railway vehicle |
| CN113284360A (en) * | 2021-03-24 | 2021-08-20 | 重庆市市政设计研究院有限公司 | Self-adaptation wisdom public transit electronic post house based on holographic perception |
| CN113587344A (en) * | 2021-07-06 | 2021-11-02 | 珠海格力电器股份有限公司 | Air conditioner fresh air volume control method and device and air conditioner |
| CN114379601A (en) * | 2021-12-15 | 2022-04-22 | 上海科泰运输制冷设备有限公司 | Fresh air control method, device, equipment and storage medium |
| CN114407949A (en) * | 2022-01-14 | 2022-04-29 | 中车青岛四方机车车辆股份有限公司 | In-vehicle environment regulation and control method for railway vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5667611A (en) * | 1979-11-06 | 1981-06-06 | Japanese National Railways<Jnr> | Ventilation controller for vehicle |
| JPH11310126A (en) * | 1998-04-27 | 1999-11-09 | Hokkaido Railway Co | Motive power control device of railcar which can be operated together with tramcar |
| JP2000071740A (en) * | 1998-08-27 | 2000-03-07 | Mitsubishi Heavy Ind Ltd | Air conditioning system for vehicle |
| JP2003285637A (en) * | 2002-03-29 | 2003-10-07 | Toshiba Corp | Air-conditioning control method for vehicle |
-
2010
- 2010-04-30 CN CN2010101607210A patent/CN102233879A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5667611A (en) * | 1979-11-06 | 1981-06-06 | Japanese National Railways<Jnr> | Ventilation controller for vehicle |
| JPH11310126A (en) * | 1998-04-27 | 1999-11-09 | Hokkaido Railway Co | Motive power control device of railcar which can be operated together with tramcar |
| JP2000071740A (en) * | 1998-08-27 | 2000-03-07 | Mitsubishi Heavy Ind Ltd | Air conditioning system for vehicle |
| JP2003285637A (en) * | 2002-03-29 | 2003-10-07 | Toshiba Corp | Air-conditioning control method for vehicle |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574836A (en) * | 2012-07-31 | 2014-02-12 | 珠海格力电器股份有限公司 | Fresh air valve opening control method and device and air conditioner |
| CN103574836B (en) * | 2012-07-31 | 2016-06-08 | 珠海格力电器股份有限公司 | Fresh air valve opening control method and device and air conditioner |
| CN102874264A (en) * | 2012-10-31 | 2013-01-16 | 株洲南车时代电气股份有限公司 | Ventilation device for bullet train |
| CN102874264B (en) * | 2012-10-31 | 2015-09-16 | 株洲南车时代电气股份有限公司 | A kind of Ventilation device for bullet train |
| CN103738348A (en) * | 2013-12-27 | 2014-04-23 | 南车青岛四方机车车辆股份有限公司 | Inter-city rail transit vehicle |
| CN103738348B (en) * | 2013-12-27 | 2016-05-25 | 中车青岛四方机车车辆股份有限公司 | Intercity type rail traffic vehicles |
| CN105216812A (en) * | 2015-09-08 | 2016-01-06 | 石家庄国祥运输设备有限公司 | The essence that high speed train is suitable for controls the control method of new wind control cock |
| CN105216812B (en) * | 2015-09-08 | 2017-08-01 | 石家庄国祥运输设备有限公司 | The control method for the essence control fresh air regulating valve that bullet train is applicable |
| CN106004905A (en) * | 2016-07-28 | 2016-10-12 | 中车建设工程有限公司 | Train air conditioner control method achieving quick response |
| CN106184252A (en) * | 2016-07-28 | 2016-12-07 | 中车建设工程有限公司 | Train air-conditioning duty control method based on passenger's weighing system and confirmation method |
| CN106184252B (en) * | 2016-07-28 | 2018-04-03 | 中车建设工程有限公司 | Train air-conditioning duty control method and confirmation method based on passenger's weighing system |
| CN106004905B (en) * | 2016-07-28 | 2018-04-03 | 中车建设工程有限公司 | The train air-conditioning control method responded rapidly to |
| CN108515977A (en) * | 2018-03-29 | 2018-09-11 | 广州电力机车有限公司 | A kind of energy storage type tramcar energy-saving control method |
| CN109334692A (en) * | 2018-10-10 | 2019-02-15 | 重庆中车四方所科技有限公司 | A kind of rail traffic vehicles guest room ventilation intelligence control system and method |
| CN110696857A (en) * | 2019-11-07 | 2020-01-17 | 中国计量大学 | Fresh air control system for intelligent adjustment of passenger-carrying saturation of subway carriage |
| CN110696857B (en) * | 2019-11-07 | 2024-03-22 | 中国计量大学 | Fresh air control system capable of intelligently adjusting saturation of passenger carrying of subway carriage |
| CN111516719A (en) * | 2020-05-22 | 2020-08-11 | 中车株洲电力机车有限公司 | Air conditioner control method and system for railway vehicle |
| CN111516719B (en) * | 2020-05-22 | 2021-05-11 | 中车株洲电力机车有限公司 | Air conditioner control method and system for railway vehicle |
| CN112549898A (en) * | 2020-10-09 | 2021-03-26 | 中车青岛四方机车车辆股份有限公司 | Vehicle air conditioner control method and control system thereof |
| CN113284360A (en) * | 2021-03-24 | 2021-08-20 | 重庆市市政设计研究院有限公司 | Self-adaptation wisdom public transit electronic post house based on holographic perception |
| CN113085930A (en) * | 2021-04-30 | 2021-07-09 | 中车青岛四方机车车辆股份有限公司 | Air supply control method for railway vehicle and railway vehicle |
| CN113587344A (en) * | 2021-07-06 | 2021-11-02 | 珠海格力电器股份有限公司 | Air conditioner fresh air volume control method and device and air conditioner |
| CN113587344B (en) * | 2021-07-06 | 2022-06-10 | 珠海格力电器股份有限公司 | Air conditioner fresh air volume control method and device and air conditioner |
| CN114379601A (en) * | 2021-12-15 | 2022-04-22 | 上海科泰运输制冷设备有限公司 | Fresh air control method, device, equipment and storage medium |
| CN114379601B (en) * | 2021-12-15 | 2024-01-02 | 上海科泰运输制冷设备有限公司 | Fresh air control method, device, equipment and storage medium |
| CN114407949A (en) * | 2022-01-14 | 2022-04-29 | 中车青岛四方机车车辆股份有限公司 | In-vehicle environment regulation and control method for railway vehicle |
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Application publication date: 20111109 |