CN104089384A - Railway train air-conditioning system with oxygen supply frequency conversion function - Google Patents
Railway train air-conditioning system with oxygen supply frequency conversion function Download PDFInfo
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- CN104089384A CN104089384A CN201410336074.2A CN201410336074A CN104089384A CN 104089384 A CN104089384 A CN 104089384A CN 201410336074 A CN201410336074 A CN 201410336074A CN 104089384 A CN104089384 A CN 104089384A
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- magnetic valve
- adsorption tower
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- oxygen
- oxygen supply
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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 provides a railway train air-conditioning system with the oxygen supply frequency conversion function. The railway train air-conditioning system comprises a frequency conversion compressor, a condenser, an evaporator, a frequency conversion controller and a main controller, the frequency conversion compressor, the condenser and the evaporator are sequentially connected, the evaporator is further connected with the frequency conversion compressor, the main controller is connected with the frequency conversion controller, the frequency conversion controller is connected with the frequency conversion compressor, a condensation fan is arranged on the condenser, an evaporation fan is arranged on the evaporator, and the main controller further controls a PSA oxygen generator. By means of the railway train air-conditioning system with the oxygen supply frequency conversion function, the collected mixture of air in a compartment and inlet external air from a fresh air opening is adsorbed by molecular sieves in adsorbing towers to separate needed oxygen, the two adsorbing towers alternatively work to continuously feed enriched oxygen into the compartment, the oxygen content of air in the compartment is increased, and oxygen supply can be continuously carried out when a train enters a culvert.
Description
Technical field
The present invention relates to air-conditioning system technical field, relate in particular to a kind of railway vehicle air conditioner system with oxygen supply frequency conversion function.
Background technology
Along with the development of urbanization in world wide, track traffic, comprises that the construction of subway, motor-car, inter-city train has become the inexorable trend of every country public transport development.Nowadays, rail vehicle has not only generally been installed air-conditioning system, especially the intellectuality of air-conditioning system, comfortableness, energy saving is had higher requirement.Along with China's Qinghai-Tibet Railway Line, these high altitude localities railways of blue new railway lines are open to traffic, during particularly by culvert along the line, improve oxygen content in compartment, saving electric power resource has become the problem of needing solution badly.
Existing railway carriage is for a long time in air-tight state, high altitude localities rarefaction of air in addition, and oxygen content is lower.Existing small part train also has independent aerator, but most of areas occupied are larger, pipe-line layout more complicated, and cost investment is larger.When most importantly train is by longer culvert, will close all scavenge ports, aerator needs break-off separately, can not continue oxygen supply.Existing air-conditioning unit mostly is single cold type constant speed air-conditioning unit or cold-warm type air-conditioning unit, is generally all by temperature in compartment, to control the start and stop of compressor.And existing vehicle convertible frequency air-conditioner major part is to be realized frequency-changeable compressor is carried out to Stepped control by digital switch signal, in this control method compartment temperature fluctuation larger, consume energy high, comfortableness is lower.
Summary of the invention
The technical problem to be solved in the present invention is: in order to solve, the supply equipment area occupied using in train in prior art is large, pipe-line layout is complicated, it is larger to drop into, and can make the larger problem of temperature fluctuation in compartment for the VFC of air-conditioning system, the invention provides a kind of railway vehicle air conditioner system with oxygen supply frequency conversion function VFC is combined and solves the problems referred to above with PSA oxygenerator.
The technical solution adopted for the present invention to solve the technical problems is: a kind of railway vehicle air conditioner system with oxygen supply frequency conversion function, comprise frequency-changeable compressor, condenser, evaporimeter, frequency-variable controller and master controller, described frequency-changeable compressor, condenser is connected successively with evaporimeter and described evaporimeter is also connected with described frequency-changeable compressor, described master controller is connected with described frequency-variable controller, described frequency-variable controller is connected with described frequency-changeable compressor, on described condenser, be provided with condensation fan, on described evaporimeter, be provided with evaporation fan, master controller is by inner pid algorithm computing, draw the frequency that frequency-changeable compressor need to be opened, the running frequency of controlling frequency-changeable compressor by output frequency and the voltage of Fieldbus Control frequency-variable controller again, thereby control as required the output of refrigerating capacity, accurately control stably the temperature in compartment, improve the comfortableness in compartment, described master controller has also been controlled PSA oxygenerator.
Concrete, described PSA oxygenerator comprises air blast, the first adsorption tower, the second adsorption tower, surge tank and vavuum pump, the outlet of described air blast is connected with the entrance of the second adsorption tower with described the first adsorption tower respectively, described the first adsorption tower is connected with the oxygen outlet of the second adsorption tower and the entrance of described surge tank, described the first adsorption tower is connected with the nitrogen outlet of the second adsorption tower and the entrance of described vavuum pump, adsorbate degree of reaching capacity when the first adsorption tower, switch to described the second adsorption tower work, described the first adsorption tower is got rid of adsorbate by vavuum pump, the work of rotating of two adsorption towers, can be successively for train provides oxygen.
As preferably, the outlet of described surge tank is also connected with oxygen in turn and presses tank and oxygen container, and described oxygen container can be laid in certain oxygen, and oxygen to press the effect of tank be the working pressure that improves oxygen.
Concrete, the entrance of described air blast is connected with the first magnetic valve, between the outlet of described air blast and described the first adsorption tower, be connected with the second magnetic valve, and between described the second adsorption tower, be connected with the 3rd magnetic valve, between the oxygen outlet of described the first adsorption tower and described surge tank, be connected with the 4th magnetic valve, between nitrogen outlet and described vavuum pump, be connected with the 5th magnetic valve, between the oxygen outlet of described the second adsorption tower and described surge tank, be connected with the 6th magnetic valve, between nitrogen outlet and described vavuum pump, be connected with the 7th magnetic valve, described the first magnetic valve, the second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, the 5th magnetic valve, the 6th magnetic valve and the 7th magnetic valve are all subject to described main controller controls, adsorbate degree of reaching capacity when the first adsorption tower, described controller is controlled described the second magnetic valve, the 4th magnetic valve and the 7th closed electromagnetic valve, control the 3rd magnetic valve, the 5th magnetic valve and the 6th magnetic valve are opened, thereby switch to described the second adsorption tower work, described the first adsorption tower is got rid of adsorbate by vavuum pump.
As preferably, described master controller is also connected with high pressure sensor, low pressure sensor and electric expansion valve, described electric expansion valve is arranged between described condenser and evaporimeter, master controller is by gathering the feedback data of high pressure sensor and low pressure sensor, again by inner pid algorithm computing, control the aperture of electric expansion valve, control the flow of cold-producing medium, make this safer stable operation of railway vehicle air conditioner system with oxygen supply frequency conversion function.
The invention has the beneficial effects as follows, the outside air mixture adsorption treatment that this railway vehicle air conditioner system with oxygen supply frequency conversion function enters the air in a car compartment of collecting and fresh wind port by molecular sieve in adsorption tower is isolated required oxygen, the work of rotating of two adsorption towers, send into compartment continuously and by oxygen enrichment, increase air in a car compartment oxygen content, when train enters culvert, can continue oxygen supply; By master controller, to the stepless control of frequency-changeable compressor, electric expansion valve, to refrigerant flow-control, is stablized the temperature difference in compartment, improves riding comfort, reduces energy consumption; This railway vehicle air conditioner system with oxygen supply frequency conversion function combines PSA oxygenerator with air-conditioning in addition, and area occupied is little, pipe-line layout is comparatively succinct, electricity consumption saving, the operating cost of having saved to a certain extent train.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation with the railway vehicle air conditioner system optimal embodiment of oxygen supply frequency conversion function of the present invention.
In figure 1, compressor, 2, condenser, 3, evaporimeter, 4, frequency-variable controller, 5, condensation fan, 6, evaporation fan, 7, high pressure sensor, 8, low pressure sensor, 9, electric expansion valve, 10, air blast, the 11, first adsorption tower, the 12, second adsorption tower, 13, surge tank, 14, oxygen is pressed tank, and 15, oxygen container, 16, vavuum pump, 17, the first magnetic valve, 18, the second magnetic valve, the 19, the 3rd magnetic valve, the 20, the 4th magnetic valve, 21, the 5th magnetic valve, 22, the 6th magnetic valve, the 23, the 7th magnetic valve, 25, master controller.
The specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention is only described in a schematic way, so it only show the formation relevant with the present invention.
As shown in Figure 1, the invention provides a kind of railway vehicle air conditioner system with oxygen supply frequency conversion function, comprise frequency-changeable compressor 1, condenser 2, evaporimeter 3, frequency-variable controller 4 and master controller 25, frequency-changeable compressor 1, condenser 2 is connected successively with evaporimeter 3 and evaporimeter 3 is also connected with frequency-changeable compressor 1, master controller 25 is connected with frequency-variable controller 4, frequency-variable controller 4 is connected with frequency-changeable compressor 1, on condenser 2, be provided with condensation fan 5, on evaporimeter 3, be provided with evaporation fan 6, master controller 25 is by inner pid algorithm computing, show that frequency-changeable compressor 1 needs the frequency of opening, the running frequency of controlling frequency-changeable compressor 1 by output frequency and the voltage of Fieldbus Control frequency-variable controller 4 again, thereby control as required the output of refrigerating capacity, accurately control stably the temperature in compartment, improve the comfortableness in compartment, master controller 25 is also connected with high pressure sensor 7, low pressure sensor 8 and electric expansion valve 9, electric expansion valve 9 is arranged between condenser 2 and evaporimeter 3, master controller 25 is by gathering the feedback data of high pressure sensor 7 and low pressure sensor 8, again by inner pid algorithm computing, control the aperture of electric expansion valve 9, control the flow of cold-producing medium, make this safer stable operation of railway vehicle air conditioner system with oxygen supply frequency conversion function, master controller 25 is also controlled and is had PSA oxygenerator, PSA oxygenerator comprises air blast 10, the first adsorption tower 11, the second adsorption tower 12, surge tank 13 and vavuum pump 16, the outlet of air blast 10 is connected with the entrance of the second adsorption tower 12 with the first adsorption tower 11 respectively, the oxygen outlet of the first adsorption tower 11 and the second adsorption tower 12 is connected with the entrance of surge tank 13, the nitrogen outlet of the first adsorption tower 11 and the second adsorption tower 12 is connected with the entrance of vavuum pump 16, the entrance of air blast 10 is connected with the first magnetic valve 17, between the outlet of air blast 10 and the first adsorption tower 11, be connected with the second magnetic valve 18, and between the second adsorption tower 12, be connected with the 3rd magnetic valve 19, between the oxygen outlet of the first adsorption tower 11 and surge tank 13, be connected with the 4th magnetic valve 20, between nitrogen outlet and vavuum pump 16, be connected with the 5th magnetic valve 21, between the oxygen outlet of the second adsorption tower 12 and surge tank 13, be connected with the 6th magnetic valve 22, between nitrogen outlet and vavuum pump 16, be connected with the 7th magnetic valve 23, the first magnetic valve 17, the second magnetic valve 18, the 3rd magnetic valve 19, the 4th magnetic valve 20, the 5th magnetic valve 21, the 6th magnetic valve 22 and the 7th magnetic valve 23 are controlled by master controller 25 all, adsorbate degree of reaching capacity when the first adsorption tower 11, controller is controlled the second magnetic valve 18, the 4th magnetic valve 20 and the 7th magnetic valve 23 are closed, control the 3rd magnetic valve 19, the 5th magnetic valve 21 and the 6th magnetic valve 22 are opened, thereby switch to the second adsorption tower 12 work, the first adsorption tower 11 is got rid of adsorbate by vavuum pump 16, the work of rotating of two adsorption towers, can be successively for train provides oxygen, the outlet of surge tank 13 is also connected with oxygen in turn and presses tank 14 and oxygen container 15, oxygen container 15 can be laid in certain oxygen, and the effect of oxygen pressure tank 14 is the working pressures that improve oxygen.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to claim scope.
Claims (5)
1. a railway vehicle air conditioner system with oxygen supply frequency conversion function, it is characterized in that: comprise frequency-changeable compressor, condenser, evaporimeter, frequency-variable controller and master controller, described frequency-changeable compressor, condenser and evaporimeter are connected successively and described evaporimeter is also connected with described frequency-changeable compressor, described master controller is connected with described frequency-variable controller, described frequency-variable controller is connected with described frequency-changeable compressor, on described condenser, be provided with condensation fan, on described evaporimeter, be provided with evaporation fan, described master controller has also been controlled PSA oxygenerator.
2. the railway vehicle air conditioner system with oxygen supply frequency conversion function as claimed in claim 1, it is characterized in that: described PSA oxygenerator comprises air blast, the first adsorption tower, the second adsorption tower, surge tank and vavuum pump, the outlet of described air blast is connected with the entrance of the second adsorption tower with described the first adsorption tower respectively, described the first adsorption tower is connected with the oxygen outlet of the second adsorption tower and the entrance of described surge tank, and described the first adsorption tower is connected with the nitrogen outlet of the second adsorption tower and the entrance of described vavuum pump.
3. the railway vehicle air conditioner system with oxygen supply frequency conversion function as claimed in claim 2, is characterized in that: the outlet of described surge tank is also connected with oxygen in turn and presses tank and oxygen container.
4. the railway vehicle air conditioner system with oxygen supply frequency conversion function as claimed in claim 2, it is characterized in that: the entrance of described air blast is connected with the first magnetic valve, between the outlet of described air blast and described the first adsorption tower, be connected with the second magnetic valve, and between described the second adsorption tower, be connected with the 3rd magnetic valve, between the oxygen outlet of described the first adsorption tower and described surge tank, be connected with the 4th magnetic valve, between nitrogen outlet and described vavuum pump, be connected with the 5th magnetic valve, between the oxygen outlet of described the second adsorption tower and described surge tank, be connected with the 6th magnetic valve, between nitrogen outlet and described vavuum pump, be connected with the 7th magnetic valve, described the first magnetic valve, the second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, the 5th magnetic valve, the 6th magnetic valve and the 7th magnetic valve are all subject to described main controller controls.
5. the railway vehicle air conditioner system with oxygen supply frequency conversion function as claimed in claim 1, it is characterized in that: described master controller is also connected with high pressure sensor, low pressure sensor and electric expansion valve, described electric expansion valve is arranged between described condenser and evaporimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410336074.2A CN104089384A (en) | 2014-07-15 | 2014-07-15 | Railway train air-conditioning system with oxygen supply frequency conversion function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410336074.2A CN104089384A (en) | 2014-07-15 | 2014-07-15 | Railway train air-conditioning system with oxygen supply frequency conversion function |
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| CN104089384A true CN104089384A (en) | 2014-10-08 |
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| CN201410336074.2A Pending CN104089384A (en) | 2014-07-15 | 2014-07-15 | Railway train air-conditioning system with oxygen supply frequency conversion function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197023A (en) * | 2015-10-15 | 2015-12-30 | 珠海格力电器股份有限公司 | Train power supply system, train air-conditioning system using same and control method of train air conditioning |
| CN106740936A (en) * | 2017-01-04 | 2017-05-31 | 中车青岛四方机车车辆股份有限公司 | Air conditioning control method and device based on rail vehicle |
| CN113734218A (en) * | 2021-10-11 | 2021-12-03 | 中车南京浦镇车辆有限公司 | Emergency oxygen supply and oxygen production method for railway passenger car |
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| JP3575118B2 (en) * | 1995-06-27 | 2004-10-13 | 松下電工株式会社 | Air conditioning control device |
| CN200957820Y (en) * | 2007-03-15 | 2007-10-10 | 铁道科学研究院 | Oxygen-supplying system for railway coach |
| CN201335582Y (en) * | 2009-01-05 | 2009-10-28 | 江苏新誉空调系统有限公司 | Track train air conditioner refrigerating system with pressure compensation function |
| CN102589094A (en) * | 2012-03-13 | 2012-07-18 | 广东吉荣空调有限公司 | Staged synchronous compressor and expansion valve control method for thermostatic and humidistatic air conditioning unit |
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| KR101280661B1 (en) * | 2013-01-24 | 2013-07-05 | (주)새한공조 | Indoor unit with hybrid air condition mode, hybrid air condition system having the same |
| CN103225853A (en) * | 2013-04-26 | 2013-07-31 | 青岛海氧益百实业有限公司 | Equipment integrating functions of indoor air purification and enriched oxygen preparation |
| CN203212325U (en) * | 2013-04-12 | 2013-09-25 | 杭州辰睿空分设备制造有限公司 | Molecular sieve desorption and regeneration structure for VPSA (vacuum pressure swing adsorption) oxygen generating device |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3575118B2 (en) * | 1995-06-27 | 2004-10-13 | 松下電工株式会社 | Air conditioning control device |
| CN200957820Y (en) * | 2007-03-15 | 2007-10-10 | 铁道科学研究院 | Oxygen-supplying system for railway coach |
| CN201335582Y (en) * | 2009-01-05 | 2009-10-28 | 江苏新誉空调系统有限公司 | Track train air conditioner refrigerating system with pressure compensation function |
| CN202541544U (en) * | 2011-12-12 | 2012-11-21 | 青岛诚润利得轨道交通设备有限公司 | Air conditioning system of passenger train with air purification and oxygen supply functions |
| CN102589094A (en) * | 2012-03-13 | 2012-07-18 | 广东吉荣空调有限公司 | Staged synchronous compressor and expansion valve control method for thermostatic and humidistatic air conditioning unit |
| KR101280661B1 (en) * | 2013-01-24 | 2013-07-05 | (주)새한공조 | Indoor unit with hybrid air condition mode, hybrid air condition system having the same |
| CN203212325U (en) * | 2013-04-12 | 2013-09-25 | 杭州辰睿空分设备制造有限公司 | Molecular sieve desorption and regeneration structure for VPSA (vacuum pressure swing adsorption) oxygen generating device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197023A (en) * | 2015-10-15 | 2015-12-30 | 珠海格力电器股份有限公司 | Train power supply system, train air-conditioning system using same and control method of train air conditioning |
| CN106740936A (en) * | 2017-01-04 | 2017-05-31 | 中车青岛四方机车车辆股份有限公司 | Air conditioning control method and device based on rail vehicle |
| CN113734218A (en) * | 2021-10-11 | 2021-12-03 | 中车南京浦镇车辆有限公司 | Emergency oxygen supply and oxygen production method for railway passenger car |
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Application publication date: 20141008 |