CN114261413B

CN114261413B - Tramcar

Info

Publication number: CN114261413B
Application number: CN202111500291.7A
Authority: CN
Inventors: 刘劲; 陈勇; 柳晓峰; 周利; 李杨; 李达; 聂文斌; 王虎高; 高武; 邵银玲; 王雁东; 于倩
Original assignee: CRRC Zhuzhou Locomotive Co Ltd
Current assignee: CRRC Zhuzhou Locomotive Co Ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2023-04-07
Anticipated expiration: 2041-12-09
Also published as: CN114261413A

Abstract

The invention provides a tramcar. The tramcar comprises equipment cabins, wherein each equipment cabin comprises a cabin body module; the cabin module is including the central facilities district that is located train top central authorities, the lateral part wiring area that closes on the train side wall, the tip wiring area that sets up between per two cabin modules, the air inlet district that sets up at the tip that 1 st section cabin module and nth section cabin module kept away from each other the ventilation route district that sets up in the cabin module, the exhaust area that sets up on the side wall that is located the top of 1 st section cabin module and corresponds the train and is located the top of nth section cabin module and corresponds the side wall of train and set up every section the drainage area of cabin module tip. The invention provides a technical scheme of overall layout of a device cabin on the roof of a tramcar; and the ventilation effect of the heat dissipation wind resistance of the equipment cabin on the roof is reduced by shortening the ventilation path and increasing the ventilation section.

Description

Tramcar

Technical Field

The invention relates to the technical field of rail transit, in particular to a tramcar.

Background

All equipment of the existing tramcar, such as a traction auxiliary system box body, an air conditioner, an electric current collector box, a pantograph and the like, are uniformly distributed on the top of the tramcar, and the tops of the equipment on the top of the tramcar are exposed. Because of tram moves in the city, exposed equipment exposes in the urban environment, not only influences the whole aesthetic property of vehicle, and roof equipment receives solar radiation simultaneously, influences its life-span. Therefore, there is a trend toward efficient storage of equipment through equipment compartments that can be installed on the roof of a vehicle.

In addition to the function of effectively accommodating the equipment compartment, the equipment compartment needs to be divided reasonably into areas for placing equipment on the roof of the vehicle, for example, in the railway vehicle disclosed in the prior patent publication No. CN101037112A, the equipment compartment is divided into areas by starting from the operation of simply replacing each equipment arranged in the vehicle body and the operation of detecting and repairing, but how the equipment compartment forms a good ventilation and heat dissipation effect is not considered for the tramcar, especially for the comprehensive car based on the electric-electric hybrid energy storage system.

Disclosure of Invention

The invention aims to provide a tramcar, which is characterized in that a roof equipment compartment of the tramcar is reasonably designed so as to improve heat dissipation performance through the layout of equipment in the equipment compartment.

The technical scheme of the invention is as follows: a tramcar comprises a plurality of trains, wherein each train is provided with a plurality of devices, each train corresponds to 1 to n trains, and n is a natural number greater than 1; the tramcar also comprises equipment cabins corresponding to the number of the plurality of sections of trains, wherein each equipment cabin comprises cabin body modules corresponding to the number of the trains;

the cabin modules comprise a central equipment area positioned in the center of the top of the train, a side wiring area close to the side wall of the train, an end wiring area arranged between every two cabin modules, an air inlet area arranged at the end part, far away from each other, of the 1 st cabin module and the nth cabin module, a ventilation path area arranged in the cabin modules, a ventilation area arranged on the top of the 1 st cabin module and the side wall corresponding to the train, a ventilation area arranged on the top of the nth cabin module and the side wall corresponding to the train, and a drainage area arranged at the end part of each cabin module;

the central equipment area is used for placing the equipment and enabling the wiring of each equipment to be arranged in the central equipment area; the side wiring area is used for placing cables connected among all devices of the whole vehicle; the end part wire passing area is used for placing the straddle carrier cable among the cabin modules; the air inlet area is used for introducing fresh air from an external environment into the train; the ventilation path connects the heat dissipation ports of the devices; the exhaust area is communicated with the ventilation path; the ventilation paths in each cabin module are connected; the drainage area extends vertically to the bottom of the train.

In the scheme, the equipment in the equipment compartment is placed in the center of the roof, and the cables are arranged on two sides, so that the space utilization rate of the equipment compartment can be improved; and the cross section area of the equipment cabin with the equipment arranged in the middle can be increased, so that the ventilation section of the equipment cabin can be increased, and heat dissipation is facilitated.

The central equipment area at least comprises a driver room air conditioner, a passenger room air conditioner, a traction box, a capacitance box, an integration box and a current collector box provided with the current collector, wherein the driver room air conditioner, the passenger room air conditioner and the traction box are arranged in a 1 st cabin body module and an n th cabin body module and are longitudinally and symmetrically arranged; the capacitor box, the integration box, the current collector and the current collector box are arranged in the middle cabin module.

Preferably, the cabin module is provided with near the top of driver's cab air conditioner and guest room air conditioner the air inlet district closes on the top of traction case sets up the exhaust area, and near on be equipped with on the train side wall of driver's cab air conditioner, guest room air conditioner, traction case the exhaust area.

The path between the exhaust area and the air inlet area is designed to be as short as possible, so that the wind resistance can be reduced, and the heat dissipation performance of equipment for energy storage, traction and the like can be improved.

Preferably, the equipment cabin is installed on the side wall of the train in an embedded mode, and the top cover of the equipment cabin after installation is connected with the side wall of the train, so that the top cover of the equipment cabin forms the top of the tramcar.

The embedded installation structure can be installed with the train side wall in the space of the narrow installation of the equipment compartment and form an integral whole, not only can be effectively installed, but also the attractiveness of the train can be ensured.

According to the structure and the size of a mounting space of a specific train side wall, an embedded mounting structure is refined, and the train side wall comprises a fixed seat and a baffle arranged on the outer side of the fixed seat; the bottom of the equipment compartment is provided with a plurality of connecting seats which are arranged at intervals along the advancing direction of the train; the connecting seat is installed on the fixed seat through a support.

Preferably, the support includes first limit and follows the second limit that first limit bending set up, first limit in keep away from baffle one side with the fixing base is connected, the top on second limit is equipped with regulating part, the support mounting is in on the regulating part, through the regulating part is used for adjusting the mounting height in equipment cabin.

Through the adjusting part of adjustable equipment compartment mounting height, can adjust the position that links up between equipment compartment top cap and the train side wall, make whole transition more natural, pleasing to the eye, can avoid processing, design error, satisfy the design requirement.

Preferably, the drainage area comprises a drainage groove, a drainage hole and a drainage pipe, the drainage groove is located on the cabin module and extends along the advancing direction of the train, the drainage hole is formed in the end part of the drainage groove extending to the cabin module, and the drainage pipe vertically extends to the bottom of the train from the drainage hole.

The drainage is arranged at the end part of the cabin body module of the minimum individual unit, so that the effective drainage of rainwater or air conditioner condensate water in the equipment cabin is realized.

Preferably, the air inlet area is a grid hole; the air exhaust areas on the side walls of the train are a plurality of through holes arranged in an arrayed mode. The heat dissipation of each device is facilitated.

Compared with the related technology, the invention has the following beneficial effects:

1. the technical scheme of the overall layout of the equipment cabin on the top of the tramcar is provided; the air exhaust effect of the heat dissipation wind resistance of the equipment cabin on the roof is reduced by shortening the ventilation path and increasing the ventilation section;

2. an integrated connecting structure of the top cover of the equipment compartment and the baffle of the train side wall, which is suitable for an extremely narrow space, is provided, so that the overall appearance is effectively connected, the attractiveness is improved, and the effective installation of the equipment compartment is ensured;

3. and performing systematic functional partition on the equipment cabin on the roof, and comprehensively laying out all larger equipment (such as adopting central layout and symmetrical layout) by considering the factors of weight balance, wiring path optimization, heat dissipation convection and the like.

Drawings

Fig. 1 is a schematic structural view of an equipment compartment on a train of a tramcar according to the present invention;

FIG. 2 is a schematic diagram of a central device area layout;

FIG. 3 is a schematic view of the connection between the equipment bay and the train side wall;

FIG. 4 isbase:Sub>A schematic sectional view taken along A-A of FIG. 3;

FIG. 5 is a schematic sectional view taken along line B-B of FIG. 3;

FIG. 6 is a schematic view of a drainage area layout;

fig. 7 is a schematic view of the ventilation principle.

In the drawings: 1. a central equipment area; 2. a lateral wiring area; 3. an end wire passing region; 4. an air inlet; 5. a ventilation path region; 6. a venting zone; 6-1, a baffle; 7. a drainage area; 8. a cabin module; 9. an equipment compartment;

1-1, a cab air conditioner; 1-2, passenger room air conditioning; 1-3, a traction box; 1-4, a capacitance box; 1-5, an integration box; 1-6, a current collector box; 1-7, current collector;

t, an embedded structure; t1, a connecting seat; t2, a first fastener; t3, an adjusting piece; t4, a third fastener; t5, a bracket; t51, first edge; t52, second side; t6, a third fastener; t7, fixing the seat.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1, the tramcar provided in this embodiment includes a plurality of trains that are provided with a plurality of devices and can travel on a track, where each train corresponds to 1 to n trains, and n is a natural number greater than 1. In the present embodiment, n =3, that is, one train has three cars, and one cabin module 8 is disposed on the top of each car, that is, three cabin modules 8 constitute one equipment cabin 9.

The cabin module 8 comprises a central equipment area 1 positioned in the center of the top of the train, a side wiring area 2 close to the side wall of the train, a terminal wiring area 3 arranged between every two cabin modules 8, an air inlet area 4 arranged at the end part of the 1 st cabin module and the 3 rd cabin module far away from each other, a ventilation path area 5 arranged in the cabin module 8, an air exhaust area 6 arranged on the side wall of the top of the 1 st cabin module and the corresponding train, the top of the 3 rd cabin module and the side wall of the corresponding train, and a drainage area 7 arranged at the end part of the cabin module 8. The ventilation path area 5 is a path for ensuring the ventilation and heat dissipation requirements of each device.

As shown in fig. 4, the central device area 1 is used for placing the devices and having the wiring of each device provided therein. And the side wiring area 2 is used for placing cables connected among all devices of the whole vehicle. As shown in fig. 1, the end wire passing regions 3 are used for placing the straddle carrier cables between the cabin modules 8. The air inlet area 4 is used for introducing fresh air from an external environment into a train. The ventilation path region 5 connects the heat dissipation ports of the respective devices. The exhaust area 6 communicates with the ventilation path area 5. The ventilation path regions 5 within each of the cabin modules 8 are connected. The drainage area 7 vertically extends to the bottom of the train.

As shown in fig. 2, the central equipment area 1 at least includes a driver's cab air conditioner 1-1, a passenger's cab air conditioner 1-2, a traction box 1-3, a capacitance box 1-4, an integration box 1-5, and a current collector box 1-6 in which a current collector 1-7 is installed. The cab air conditioner 1-1, the passenger room air conditioner 1-2 and the traction box 1-3 are arranged in the cabin module 1 and the cabin module 3 and are symmetrical in the longitudinal direction of the train. The capacitance box 1-4, the integration box 1-5, the current collector 1-7 and the current collector box 1-6 are arranged in the middle cabin module (the 2 nd cabin module). The integration box is an energy type super capacitor and DCDC integration box, and is suitable for a comprehensive vehicle based on an electric-electric hybrid energy storage system. Therefore, the ventilation and heat dissipation scheme is designed in the equipment compartment, and the characteristics of the comprehensive vehicle of the type need to be considered for effective layout.

The air inlet area 4, the ventilation path area 5 and the air exhaust area 6 form a ventilation system of the tramcar, and the ventilation system is a comprehensive ventilation system consisting of an equipment box body, an equipment cabin and a passenger room air duct. The cabin module 8 is provided with the air inlet area 4 near the top of the cab air conditioner 1-1 and the passenger room air conditioner 1-2, and the air inlet area 4 adopts grid holes. The air exhaust area 6 is arranged close to the top of the traction box 1-3, and the air exhaust area 6 is arranged on train side walls close to the cab air conditioner 1-1, the passenger room air conditioner 1-2 and the traction box 1-3. The air exhaust area 6 on the side wall of the train is close to the air-conditioning air outlet, and the through holes are arranged in a long rectangular structure and are distributed in the advancing direction of the train.

As shown in fig. 1, 2, and 7, external fresh air enters an air duct through a driver room air conditioner 1-1 and a passenger room air conditioner 1-2 of the central equipment area 1, and the air duct sends air into the passenger room through a static pressure chamber. Temperature sensors are arranged in the traction box 1-3 and the capacitance box 1-4, and when the temperature exceeds a set threshold value, a heat dissipation fan in the box body is started to perform forced air cooling on electric components in the box body. The source of the air-cooled cold air is the passenger room. The box air-cooled air is exhausted from the ventilation path area 5 and the air exhaust area 6 arranged near the air outlet of each device in the cabin module 8. The circulation is repeated in this way, and the heat of the equipment is dissipated. The whole ventilation and heat dissipation circulating system structurally considers that the air channel path is short and the ventilation section is large; and setting a fan with proper power and air quantity according to CFD modeling simulation and considering the use environment and fault conditions. The fans are arranged in the capacitance boxes 1-4 and the integration boxes 1-5. The ventilation path region 5 connects the air ports of the fans.

As shown in fig. 4, the equipment compartment 9 covers the roof of the tram and a thermal barrier coating is provided on the equipment compartment 9.

As shown in fig. 4, the space on both sides of the equipment cabin 9 is very narrow and small, and the bottom at this position is the side distribution wiring area 2, resulting in the installation space of the equipment cabin 9 to be very limited, therefore, as shown in fig. 3 and 5, the equipment cabin 9 adopts the embedded structure T to be installed on the train side wall, and after the installation the top cover of the equipment cabin 9 is connected with the train side wall, so that the top cover of the equipment cabin 9 forms the top of the tramcar. From this, the equipment compartment and the side wall form an integral mounting structure in a narrow space, and the attractiveness is improved while the equipment compartment and the side wall are effectively fixed.

The train side wall comprises a fixed seat T7 and a baffle 6-1 arranged on the outer side of the fixed seat T7. The bottom of the equipment cabin 9 is provided with a plurality of connecting seats T1, and the connecting seats T1 are arranged at intervals along the advancing direction of the train. The connecting seat T1 is arranged on the fixed seat T7 through a support T5.

The bracket T5 comprises a first edge T51 and a second edge T52 bent along the first edge T51, the first edge T51 is connected with the fixed seat T7 on one side far away from the baffle 6-1, and the top of the second edge T52 is provided with an adjusting piece T3. The support T5 is mounted on the adjusting piece T3, and the adjusting piece T3 is used for adjusting the mounting height of the equipment cabin 9.

The adjusting piece T3 can be a profile with a fixed overall dimension, and when the height is adjusted, the number of gaskets is increased or decreased, or the profiles with different heights are adopted for adjustment.

As shown in fig. 6, the drainage area 7 includes a drainage channel 7-1, a drainage hole 7-2 and a drainage pipe 7-3, the drainage channel 7-1 is located on the cabin module 8 and extends along the direction of train travel, the drainage channel 7-1 is provided with the drainage hole 7-2 at the end portion extending to the cabin module 8, and the drainage pipe 7-3 extends vertically from the drainage hole 7-2 to the bottom of the train. The drainage area 7 is used for draining air conditioner condensate water and rainwater in the equipment cabin 9 to a drainage hole 7-2 through drainage grooves 7-1 on two sides (the two sides are the two sides of the equipment cabin and are parallel to the advancing direction of the train), and then the condensate water is drained to the ground of the track from the drainage hole 7-2 through a flow drainage pipe 7-3.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A tramcar comprises a plurality of trains, wherein each train is provided with a plurality of devices, each train corresponds to 1 to n trains, and n is a natural number greater than 1; the train control system is characterized by further comprising equipment cabins (9) corresponding to the number of the plurality of sections of trains, wherein each equipment cabin (9) comprises cabin modules (8) corresponding to the number of the trains;

the cabin modules (8) comprise a central equipment area (1) positioned in the center of the top of the train, a lateral wiring area (2) close to the side wall of the train, an end wiring area (3) arranged between every two cabin modules (8), an air inlet area (4) arranged at the end part of the 1 st cabin module, which is far away from the nth cabin module, a ventilation path area (5) arranged in the cabin modules (8), a wind exhaust area (6) arranged on the top of the 1 st cabin module, on the side wall corresponding to the train, on the top of the nth cabin module, on the side wall corresponding to the train, and a water exhaust area (7) arranged at the end part of each cabin module (8);

the central equipment area (1) is used for placing the equipment and arranging the wiring of each equipment therein; the side wiring area (2) is used for placing cables connected among all devices of all the whole vehicles; the end part wire passing area (3) is used for placing the straddle carrier cable between the cabin modules (8); the air inlet area (4) is used for introducing fresh air from an external environment into a train; the ventilation path area (5) connects the heat dissipation ports of the devices; the exhaust area (6) is communicated with the ventilation path area (5); the ventilation path areas (5) in each cabin module (8) are connected; the drainage area (7) vertically extends to the bottom of the train.

2. The tramcar according to claim 1, wherein the central equipment area (1) comprises at least a driver's cab air conditioner (1-1), a passenger's cab air conditioner (1-2), a traction box (1-3), a capacitance box (1-4), an integration box (1-5) and a current collector box (1-6) with current collector (1-7) installed, wherein the driver's cab air conditioner (1-1), the passenger's cab air conditioner (1-2) and the traction box (1-3) are arranged in the 1 st and nth cabin modules and are longitudinally symmetrically arranged; the capacitor box (1-4), the integration box (1-5), the current collector (1-7) and the current collector box (1-6) are arranged in the middle cabin module.

3. The tramcar according to claim 2, characterized in that the cabin module (8) is provided with the air intake area (4) near the top of the cab air conditioner (1-1) and the passenger room air conditioner (1-2), the exhaust area (6) near the top of the traction box (1-3), and the exhaust area (6) on the train side wall near the cab air conditioner (1-1), the passenger room air conditioner (1-2) and the traction box (1-3).

4. The tramcar according to claim 1, characterized in that the equipment compartment (9) is installed on the side wall of the train in an embedded structure (T), and the top cover of the equipment compartment (9) after installation is connected with the side wall of the train, so that the top cover of the equipment compartment (9) forms the top of the tramcar.

5. The tramcar according to claim 4, characterized in that the train side wall comprises a fixed seat (T7) and a baffle (6-1) arranged outside the fixed seat (T7); the bottom of the equipment cabin (9) is provided with a plurality of connecting seats (T1), and the connecting seats (T1) are distributed at intervals along the advancing direction of the train; the connecting seat (T1) is installed on the fixing seat (T7) through a support (T5).

6. The tramcar according to claim 5, characterized in that the bracket (T5) comprises a first edge (T51) and a second edge (T52) bent along the first edge (T51), the first edge (T51) is connected with the fixed seat (T7) at the side far away from the baffle (6-1), the top of the second edge (T52) is provided with an adjusting piece (T3), the bracket (T5) is installed on the adjusting piece (T3), and the adjusting piece (T3) is used for adjusting the installation height of the equipment cabin (9).

7. Tramcar according to claim 1, characterized in that the water drainage area (7) comprises a water drainage channel (7-1), a water drainage hole (7-2) and a water drainage pipe (7-3), the water drainage channel (7-1) is located on the cabin module (8) and extends in the direction of travel of the train, the water drainage channel (7-1) is provided with the water drainage hole (7-2) at the end extending to the cabin module (8), and the water drainage pipe (7-3) extends vertically from the water drainage hole (7-2) to the bottom of the train.

8. Tramcar according to claim 1, characterized in that the air intake area (4) is a grid opening; the exhaust area (6) on the side wall of the train is a plurality of through holes which are arranged.