CN108413548A - A kind of subway carriage placement ventilation device and control method - Google Patents
A kind of subway carriage placement ventilation device and control method Download PDFInfo
- Publication number
- CN108413548A CN108413548A CN201810450038.7A CN201810450038A CN108413548A CN 108413548 A CN108413548 A CN 108413548A CN 201810450038 A CN201810450038 A CN 201810450038A CN 108413548 A CN108413548 A CN 108413548A
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- China
- Prior art keywords
- air
- ajutage
- control unit
- subway carriage
- temperature
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- 238000009423 ventilation Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims description 9
- 238000005192 partition Methods 0.000 claims abstract description 20
- 238000007664 blowing Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000013517 stratification Methods 0.000 claims description 6
- 230000005684 electric field Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005273 aeration Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- 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
-
- 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
-
- 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
-
- 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
- F24F2110/20—Humidity
-
- 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
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a kind of subway carriage placement ventilation devices,Including the blowing unit in seat bottom is arranged,The blowing unit includes with a cavity and in the air-supply box of opened type structure,Ajutage in the air-supply box one side wall is set,Wind turbine in one side end of the ajutage is set,The ajutage first end is connected to the cavity,Another end dissociative is connected to outside air,Outside air is pumped into the cavity by the wind turbine by the ajutage,It is provided with for separating and through the partition component of air in the opened type opening of the air-supply box,Two pieces of arc-shaped guide plates are set on the air-supply box inner wall,The first end of two pieces of arc-shaped guide plates docks the ajutage respectively,Second end extends on the partition component,The relatively described partition component extends vertically the first end and second end of the arc-shaped guide plate respectively.The present invention has at least the following advantages：The uniformity that can preferably ensure air-supply, improves the comfort of passenger.
Description
Technical field
The present invention relates to replacement aeration technical field more particularly to a kind of subway carriage placement ventilation device and controlling parties
Method.
Background technology
Replacement aeration is mainly worked with the principle of extruding, and the air-conditioning system of China's subway carriage is main at present
Using mixed ventilation way (air-supply of compartment top, top return air；Served back on hereinafter referred to as), however under the draft type,
In compartment air current composition distribution and it is unreasonable, cause the parameter distributions such as the temperature in compartment uneven, passenger couple cannot be met
The requirement of thermal comfort.
On serve back mode and mainly worked according to diluted principle, this kind of draft type, air outlet, which is installed in, to be hung
On top or on side wall, air-flow is then sent into higher wind speed by interior, due to strong inducing action, room air can be lured
It leads into air-supply air-flow, and with the diffusion of air-supply air-flow, the numerical value such as wind speed and the temperature difference can gradually decay, last return air and emerging
It puts forth energy to be fed again into interior by filtration treatment after mixing, so recycle.Above-mentioned draft type balanced ventilation is difficult to realize, and vehicle
The parameter distributions such as the temperature in compartment are uneven, and passenger comfort is poor.
Invention content
The technical problem to be solved in the present invention is to provide a kind of subway carriage placement ventilation device and control methods, can
The uniformity for preferably ensureing air-supply, improves the comfort of passenger.
In order to solve the above technical problem, the present invention provides a kind of subway carriage placement ventilation devices, including setting to exist
The blowing unit of seat bottom, the blowing unit include with a cavity and in the air-supply box of opened type structure, setting in institute
It states the ajutage in air-supply box one side wall, the wind turbine close to one side end of the air-supply box in the ajutage is set, it is described to send
Air hose first end is connected to the cavity, another end dissociative is connected to outside air, and the wind turbine will be extraneous empty by the ajutage
Air pump enters in the cavity, and the partition component for separating and penetrating air is provided in the opened type opening of the air-supply box,
Two pieces of arc-shaped guide plates are set on the air-supply box inner wall, and the first end of two pieces of arc-shaped guide plates docks the air-supply respectively
Pipe, second end extend on the partition component, the first end and second end relatively described separation respectively of the arc-shaped guide plate
Component extends vertically.
Further, the L-shaped shape of the ajutage, the rectangular setting of nozzle of the ajutage.
Further, the partition component includes egg format blinds.
Further, the car body top is provided with return air unit, and the return air unit includes more ventilation shafts, setting
In the filter assemblies of the input end of the ventilation shaft.
Further, the filter assemblies are disposed with the covering ventilation shaft air inlet along air-flow direction
Filter screen mechanism, ion generator and integrated disk, the integrated disk are covered on the inner wall of the ventilation shaft.
Further, the filter screen mechanism is in lenticular honeycomb, including activated carbon net and reinforcing mat.
Further, the integrated disk includes two pieces and is arranged in parallel to generate the positive plate and negative plate of uniform electric field.
Further, the rear end of the integrated disk is provided with the temperature controller for controlling air themperature.
A kind of control method, include include control unit, the monitoring unit that is connect with described control unit signal, step is such as
Under,
Step A：CO in monitoring unit real time monitoring compartment2Concentration values, and feed back to control unit and CO2It is dense
Degree preset value is compared, if more than CO2Concentration preset value, described control unit signal are sent to the wind turbine, increase air-supply
Speed；
Step B：Temperature value in monitoring unit real time monitoring compartment, and it is default with temperature to feed back to control unit
Value is compared, if being more than temperature preset value, described control unit signal is sent to the temperature controller, reduces air-supply temperature
Degree；If being less than temperature preset value, described control unit signal is sent to the temperature controller, reduces wind pushing temperature；
Step C：Humidity in monitoring unit real time monitoring compartment, and it is default with humidity to feed back to control unit
Value is compared, if being more than humidity preset value, signal is sent to the wind turbine and temperature controller to described control unit successively, according to
Secondary increase air supply velocity and wind pushing temperature.
Further, the monitoring unit includes the CO being arranged at Thermal stratification2Concentration sensor, temperature sensor and
Humidity sensor.
By above-mentioned technical proposal, the present invention has at least the following advantages：
1, by being provided with ajutage, wind turbine and air-supply box, outside air is pumped by wind turbine action by ajutage to be sent
In the cavity of wind box, and air is equably sent into subway carriage by the way that the partition component on air-supply box is arranged, structure is tight
Gather optimization
2, by being provided with arc-shaped guide plate, when air conducting to the partition component that will effectively can be pumped into cavity,
Ensure that the air-flow of air is equably sent into subway carriage with the direction of the vertical partition component, substantially increases the comfortable of passenger
Property.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural schematic diagram of one angle of blowing unit of the present invention；
Fig. 3 is the part-structure schematic diagram of another angle of the blowing unit of the present invention；
Fig. 4 is the structural schematic diagram of another angle of the blowing unit of the present invention；
Fig. 5 is the structural schematic diagram of the return air unit of the present invention.
In the figures above, 1, blowing unit；2, return air unit；11, cavity；12, air-supply box；13, ajutage；14, arc
Guide plate；15, partition component；16, wind turbine；21, ventilation shaft；22, filter screen mechanism；23, ion generator；24, disk is integrated.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
In conjunction with shown in Fig. 1 to Fig. 5, the invention discloses a kind of subway carriage placement ventilation device, with list in the present embodiment
For saving subway carriage, single-unit subway carriage size is long 19m, wide 2.8m, high 3.8m, and compartment area is about 55 ㎡.According to right
The factual survey of subway handling capacity of passengers sets 200 people of personnel's upper limit in single-unit subway carriage, and remaining wet and satisfaction is removed in order to reach
Hygienic requirements sets the fresh air volume that everyone supplies 30m3/h, and the variation range of the total blast volume is 0-6000m3/h.In view of the winter
When season heat supply, interior is not easily formed displacement air-flow, and replacement aeration mode heating effect is poor, thus the present invention is mainly suitable for the summers
The season interior ventilation of subway carriage.
The placement ventilation device of the present invention includes the blowing unit 1 being arranged in compartment seats bottom, the preferably described air-supply
The quantity of unit 1 is provided with 12, and the maximum quantity of wind of each blowing unit 1 is 500m3/h.The blowing unit 1 is fixed
Setting is provided with beam on railroad car lateral wall, and between railroad car lateral wall and blowing unit 1, to reduce vehicle vibration to air-supply
The influence of unit 1.The blowing unit 1 includes with a cavity 11 and in the air-supply box 12 of opened type structure, setting described
The wind turbine close to air-supply box 12 1 side end in the ajutage 13 is arranged in ajutage 13 in air-supply 12 one side wall of box
16, the wind turbine 16 uses DC fan.In the present invention, the preferably described 13 L-shaped shape of ajutage, the pipe of the ajutage 13
The size of the rectangular setting of mouth, the nozzle is 0.15m × 0.15m.13 first end of the ajutage is connected to the cavity 11, another
One end dissociative is connected to outside air, and outside air is pumped into the cavity 11 by the wind turbine 16 by the ajutage 13.This
In invention, preferably described 12 outer surface of air-supply box is handled using electrostatic plastic spraying, effectively prevent the corrosion of air-supply box 12 and aging；Institute
The size for stating cavity 11 is 0.8m × 0.3m.It is provided in the opened type opening of the air-supply box 12 for separating and penetrating air
Partition component 13, outside air is pumped into the cavity 11 for box 12 of blowing by ajutage 13, and passed through by the action of wind turbine 16
Air is equably sent into subway carriage by the partition component 15 being arranged on air-supply box 12, compact-sized optimization.In the present invention,
The air velocity for being uniformly sent into subway carriage is set as 0.2m/s-0.4m/s.
Two pieces of arc-shaped guide plates 14, the first end point of two pieces of arc-shaped guide plates 14 are set on 12 inner wall of air-supply box
The ajutage 13 is not docked, second end extends on the partition component 15, the first end of the arc-shaped guide plate 14 and
The partition component 15 extends vertically relatively respectively at two ends.In the present invention, the preferably described partition component 15 includes egg format hundred
Leaf.By above-mentioned set-up mode, can effectively by air conducting to the partition component 15 in cavity 11 is pumped into when, ensure empty
The air-flow of gas is equably sent into subway carriage with the direction of the vertical partition component 15, substantially increases the comfort of passenger.
The car body top is provided with return air unit 2, and the return air unit 2 includes more ventilation shafts 21, is arranged in institute
State the filter assemblies of the input end of ventilation shaft 21.The filter assemblies are disposed with along air-flow direction covers described lead to
Filter screen mechanism 22, ion generator 23 and the integrated disk 24 of 21 air inlet of wind pipeline, the integrated disk 24 are covered in described logical
On the inner wall of wind pipeline 21.In the present invention, the preferably described filter screen mechanism 22 be in lenticular honeycomb, including activated carbon net and
Large particle dust can be tentatively filtered by reinforcing mat.The ion generator 23 is made of discharge electrode and electrode, is being put
Apply DC high-voltage on electrode, electric discharge pole surface generates corona discharge phenomenon, when the powder dust particle in air by when, dust
Particle can obtain charge, and grain size is bigger, and carried charge is more.The integrated disk 24 is arranged in parallel including two pieces to generate uniform electric field
Positive plate and negative plate be attracted to quickly integrated when the dust particles of electrification are flowed into air in the uniform electric field
On disk.In the present invention, the rear end of the preferably integrated disk 24 is provided with the temperature controller for controlling air themperature.
A kind of control method, including control unit, the monitoring unit that is connect with described control unit signal, the monitoring are single
Member includes the CO being arranged at Thermal stratification2Concentration sensor, temperature sensor and humidity sensor.The replacement aeration of the present invention
Air is sent into interior by mode with lower temperature and wind speed from floor area, and since the temperature of air-supply layer is relatively low, density is larger,
It comes Gu air can be spread along entire base surface, indoor heat source will produce floating life air-flow in squeezing stream, air-flow meeting of growing floating on water
Constantly volume inhales indoor upward motion of air, and the heat in air-flow of growing floating on water will not be diffused into the sending in layering of lower part again, because
This certain height indoors will appear the floating life throughput situation equal with air output, i.e. Thermal stratification.It is logical in view of replacing
The feature of wind, i.e. Thermal stratification lower area are there are apparent Vertical Temperature, concentration and moist gradient, and top Mixed Zone
Temperature, concentration and humidity can reach and most be worth.Pull-down bar is at Thermal stratification in compartment, because by the CO2It is dense
Sensor, temperature sensor and humidity sensor is spent to be arranged in pull-down bar.
Steps are as follows for the control method,
Step A：CO in monitoring unit real time monitoring compartment2Concentration values, and feed back to control unit and CO2It is dense
Degree preset value is compared, if more than CO2Concentration preset value, described control unit signal are sent to the wind turbine 16, and increase is sent
Wind velocity；
Step B：Temperature value in monitoring unit real time monitoring compartment, and it is default with temperature to feed back to control unit
Value is compared, if being more than temperature preset value, described control unit signal is sent to the temperature controller, reduces air-supply temperature
Degree；If being less than temperature preset value, described control unit signal is sent to the temperature controller, reduces wind pushing temperature；
Step C：Humidity in monitoring unit real time monitoring compartment, and it is default with humidity to feed back to control unit
Value is compared, if being more than humidity preset value, signal is sent to the wind turbine 16 and temperature controller to described control unit successively,
Successively increase air supply velocity and wind pushing temperature.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art on the basis of the present invention made by equivalent substitute or transformation, in the present invention
Protection domain within.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of subway carriage placement ventilation device, which is characterized in that described to send including the blowing unit in seat bottom is arranged
Wind unit include with a cavity and in opened type structure air-supply box, be arranged it is described blow box one side wall on ajutage,
The wind turbine close to air-supply box one side end in the ajutage is set, and the ajutage first end is connected to the cavity, another
One end dissociative is connected to outside air, and outside air is pumped into the cavity by the wind turbine by the ajutage, the air-supply
It is provided with the partition component for separating and penetrating air in the opened type opening of box, two pieces of arcs are set on the air-supply box inner wall
Shape guide plate, the first end of two pieces of arc-shaped guide plates docks the ajutage respectively, second end extends to the separation group
On part, the relatively described partition component extends vertically the first end and second end of the arc-shaped guide plate respectively.
2. subway carriage placement ventilation device as described in claim 1, which is characterized in that the L-shaped shape of ajutage, it is described
The rectangular setting of nozzle of ajutage.
3. subway carriage placement ventilation device as described in claim 1, which is characterized in that the partition component includes egg format
Blinds.
4. subway carriage placement ventilation device as described in claim 1, which is characterized in that the car body top is provided with return air
Unit, the return air unit include more ventilation shafts, the filter assemblies in the input end of the ventilation shaft are arranged.
5. subway carriage placement ventilation device as claimed in claim 4, which is characterized in that the filter assemblies are flowed along air
Direction is disposed with filter screen mechanism, ion generator and the integrated disk for covering the ventilation shaft air inlet, described integrated
Disk is covered on the inner wall of the ventilation shaft.
6. subway carriage placement ventilation device as claimed in claim 5, which is characterized in that the filter screen mechanism is in lenticular
Honeycomb, including activated carbon net and reinforcing mat.
7. subway carriage placement ventilation device as claimed in claim 5, which is characterized in that the integrated disk includes two pieces parallel
It is arranged to generate the positive plate and negative plate of uniform electric field.
8. subway carriage placement ventilation device as claimed in claim 5, which is characterized in that the rear end of the integrated disk is provided with
Temperature controller for controlling air themperature.
9. a kind of control method established based on claim 1-8 any one of them subway carriage placement ventilation devices, including
Control unit, the monitoring unit being connect with described control unit signal, steps are as follows,
Step A：CO in monitoring unit real time monitoring compartment2Concentration values, and feed back to control unit and CO2Concentration is pre-
If value is compared, if more than CO2Concentration preset value, described control unit signal are sent to the wind turbine, increase air supply velocity；
Step B：Temperature value in monitoring unit real time monitoring compartment, and feed back to control unit and temperature preset value into
Row compares, if being more than temperature preset value, described control unit signal is sent to the temperature controller, reduces wind pushing temperature；If
Less than temperature preset value, described control unit signal is sent to the temperature controller, reduces wind pushing temperature；
Step C：Humidity in monitoring unit real time monitoring compartment, and feed back to control unit and humidity preset value into
Row compares, if being more than humidity preset value, signal is sent to the wind turbine and temperature controller to described control unit successively, increases successively
Add air supply velocity and wind pushing temperature.
10. control method as claimed in claim 9, which is characterized in that the monitoring unit includes being arranged at Thermal stratification
CO2Concentration sensor, temperature sensor and humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810450038.7A CN108413548A (en) | 2018-05-11 | 2018-05-11 | A kind of subway carriage placement ventilation device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810450038.7A CN108413548A (en) | 2018-05-11 | 2018-05-11 | A kind of subway carriage placement ventilation device and control method |
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| Publication Number | Publication Date |
|---|---|
| CN108413548A true CN108413548A (en) | 2018-08-17 |
Family
ID=63138874
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810450038.7A Pending CN108413548A (en) | 2018-05-11 | 2018-05-11 | A kind of subway carriage placement ventilation device and control method |
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|---|---|
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Application publication date: 20180817 |
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| RJ01 | Rejection of invention patent application after publication |