CN215284791U - Active waste discharge device for urban rail vehicle - Google Patents
Active waste discharge device for urban rail vehicle Download PDFInfo
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- CN215284791U CN215284791U CN202121671780.4U CN202121671780U CN215284791U CN 215284791 U CN215284791 U CN 215284791U CN 202121671780 U CN202121671780 U CN 202121671780U CN 215284791 U CN215284791 U CN 215284791U
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- waste discharge
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Abstract
The utility model provides a city rail vehicle initiative exhaust apparatus that gives up has the casing, the casing be provided with the car in communicating air intake and with the air outlet outside the exhaust gas exhaust car, the casing is provided with and is used for cutting apart into the electronic useless exhaust valve of two regions with the casing inner chamber, the air-out side of electronic useless exhaust valve is provided with the fan, the air outlet of fan communicates with each other with the air outlet of exhaust apparatus, the air outlet of fan is provided with the guide plate. The waste discharge device is internally provided with a corresponding guide plate to meet the requirement of large-air-volume airflow organization; the variable frequency fan and the electric air valve are arranged to inhibit the pressure fluctuation outside the vehicle from being transmitted to the inside of the vehicle, adjust the exhaust air volume to be matched with the fresh air volume of the air conditioning unit and ensure a certain positive pressure inside the vehicle; the bottom of the waste discharge device is provided with a circular arc bottom which is matched with a vehicle circular top, and a waste discharge device platform is not arranged.
Description
Technical Field
The utility model relates to a waste discharge device of urban rail vehicle belongs to the useless technical field that arranges of rail transit.
Background
Along with the improvement of the running speed of the subway vehicle, when the vehicle runs in a tunnel or a tunnel and passes through an interval air shaft, the pressure outside the vehicle is severely changed and transmitted into the vehicle, so that the discomfort such as eardrum compression is caused to drivers and passengers, the comfort of the vehicle is influenced, the pressure protection device is arranged at the air outlet of the waste exhaust device, and when the conditions are met, the fresh air valve and the waste exhaust valve of the air conditioning unit are closed, the pressure fluctuation outside the vehicle is restrained from being transmitted to the inside of the vehicle, and the comfort of the drivers and passengers in the vehicle is improved.
In the prior art, the interior of the subway vehicle waste discharge device is compact in structure, the air inlet and the air outlet are arranged on the same side of the waste discharge device, the air flow structure is poor, and the requirement of large air volume cannot be met; the bottom of the waste discharge device is flat, and the vehicle body needs to be provided with a waste discharge device platform.
For urban rail vehicles with the speed grade of more than 120km/h, pressure fluctuation outside the vehicle is transmitted to the inside of the vehicle, and comfort inside the vehicle is influenced; the waste air exhaust volume of the internal structure of the waste exhaust device can not be exhausted well; the fresh air volume and the waste air exhaust volume are not matched, so that the positive pressure in the vehicle is influenced; the vehicle body is provided with a platform which has a complex structure.
Disclosure of Invention
The utility model aims at providing a city rail vehicle initiative waste discharge device to the problem of above-mentioned prior art mainly.
In order to solve the technical problem, the utility model provides a city rail vehicle initiative exhaust apparatus has the casing, the casing be provided with the car in communicating air intake and with the air outlet outside the exhaust gas discharging car, its characterized in that: the casing is provided with the electronic exhaust and air exhaust valve who is used for dividing the casing inner chamber into two regions, and the air-out side of electronic exhaust and air exhaust valve is provided with the fan, and the air outlet of fan communicates with each other with the air outlet of exhaust device.
Furthermore, an air outlet of the fan is provided with a guide plate.
Furthermore, the roof is a vehicle body arc roof, and the bottom plate of the waste discharge device shell is matched with the radian of the vehicle body arc roof.
The invention also claims an urban rail vehicle, which is characterized in that: comprises the active waste discharge device for the urban rail vehicle.
The waste discharge device is internally provided with a corresponding guide plate to meet the requirement of large-air-volume airflow organization; the variable frequency fan and the electric air valve are arranged to inhibit the pressure fluctuation outside the vehicle from being transmitted to the inside of the vehicle, adjust the exhaust air volume to be matched with the fresh air volume of the air conditioning unit and ensure a certain positive pressure inside the vehicle; the bottom of the waste discharge device is provided with a circular arc bottom which is matched with a vehicle circular top, and a waste discharge device platform is not arranged.
Drawings
FIG. 1 is a schematic sectional view of a waste discharge apparatus.
FIG. 2 is a schematic view of the installation structure of the active waste discharge device of the urban rail vehicle.
The numbers in the figures are as follows:
1-vehicle roof, 2-bottom plate, 3-air inlet, 4-air outlet, 5-blower, 6-inverter, 7-electric exhaust valve, 8-guide plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the active waste discharge device for urban rail vehicles of the present embodiment has a housing, and the housing is provided with an air inlet 3 communicating with the inside of the vehicle and an air outlet 4 discharging waste gas out of the vehicle. The roof 1 is a vehicle body arc top, and the bottom plate 2 of the waste discharge device shell is matched with the radian of the vehicle body arc top.
The shell is provided with an electric exhaust valve 7 for dividing the inner cavity of the shell into two areas, a fan 5 is arranged on the air outlet side of the electric exhaust valve 7, and the fan 5 is a variable frequency fan. The air outlet of the fan 5 is communicated with the air outlet 4 of the waste discharge device, and the air outlet of the fan 5 is provided with a guide plate 8. The air inlet side of the electric exhaust valve 7 is provided with an inverter 6 for supplying power to the fan 5.
As shown in fig. 2, a static pressure air chamber is further provided at the air inlet 3 of the housing.
The active waste discharge device for the urban rail vehicle has the following characteristics:
(1) the bottom of the waste discharge device is designed to be a round bottom and is matched and corresponding to the dome of the vehicle body;
(2) the variable frequency fan and the electric air valve are arranged to inhibit the pressure fluctuation outside the vehicle from being transmitted to the inside of the vehicle, the exhaust air volume is matched with the fresh air volume of the air conditioning unit, and a certain positive pressure inside the vehicle is ensured;
(3) the waste discharge device is internally provided with corresponding guide plates, and a plurality of side surfaces of the waste discharge device are provided with air outlets, so that the requirement of high-air-volume airflow organization is met.
The waste discharge device is provided with a variable frequency fan and an electric air valve, and when the pressure fluctuation outside the vehicle is large, the fresh air valve and the waste exhaust valve of the air conditioning unit are closed to inhibit the pressure fluctuation outside the vehicle from being transmitted to the inside of the vehicle; when the air conditioner works normally, the exhaust air volume and the fresh air volume of the air conditioning unit are adjusted, and certain positive pressure in the vehicle is ensured.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (7)
1. The utility model provides a city rail vehicle initiative exhaust apparatus, has the casing, the casing be provided with communicating air intake (3) in the car and with air outlet (4) outside the waste gas discharge car, its characterized in that: the shell is provided with an electric exhaust valve (7) for dividing the inner cavity of the shell into two areas, a fan (5) is arranged on the air outlet side of the electric exhaust valve (7), and the air outlet of the fan (5) is communicated with the air outlet (4) of the exhaust device.
2. The active waste discharge device for urban rail vehicles according to claim 1, characterized in that: and a guide plate (8) is arranged at an air outlet of the fan (5).
3. The active waste discharge device for urban rail vehicles according to claim 1, characterized in that: and an inverter (6) for supplying power to the fan (5) is arranged on the air inlet side of the electric exhaust valve (7).
4. The active waste discharge device for urban rail vehicles according to claim 1, characterized in that: the fan (5) is a variable frequency fan.
5. The active waste discharge device for urban rail vehicles according to claim 1, characterized in that: the roof (1) of the vehicle is a vehicle body arc top, and the bottom plate (2) of the waste discharge device shell is matched with the radian of the vehicle body arc top.
6. The active waste discharge device for urban rail vehicles according to claim 1, characterized in that: and a static pressure air cavity is arranged at the air inlet (3) of the shell.
7. An urban rail vehicle, characterized in that: an active waste device of an urban rail vehicle, comprising any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671780.4U CN215284791U (en) | 2021-07-21 | 2021-07-21 | Active waste discharge device for urban rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671780.4U CN215284791U (en) | 2021-07-21 | 2021-07-21 | Active waste discharge device for urban rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215284791U true CN215284791U (en) | 2021-12-24 |
Family
ID=79523660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121671780.4U Active CN215284791U (en) | 2021-07-21 | 2021-07-21 | Active waste discharge device for urban rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215284791U (en) |
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2021
- 2021-07-21 CN CN202121671780.4U patent/CN215284791U/en active Active
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