WO2021097968A1

WO2021097968A1 - Railway vehicle and carriage thereof

Info

Publication number: WO2021097968A1
Application number: PCT/CN2019/125223
Authority: WO
Inventors: 洪金凤; 何石磊; 杨秀涛; 郭志勇; 才倩; 郭金影
Original assignee: 中车唐山机车车辆有限公司
Priority date: 2019-11-21
Filing date: 2019-12-13
Publication date: 2021-05-27
Also published as: CN112824203A

Abstract

A carriage of a railway vehicle, comprising: an electric cabinet (11) comprising a cabinet body (111), wherein one side of the cabinet body is connected to a side wall (19) of the carriage; the cabinet body is provided with a mounting space, and is provided with an inspection window (112) in communication with the mounting space; an inspection door (13), wherein one side of the inspection door is connected to an interior partition wall (17) in the carriage; the inspection door can be opened and closed at the inspection window; when being in a closed state where the inspection window is covered, the inspection door can be connected to the cabinet body; and a sealing member (15) abutting against between the cabinet door and the inspection door. The present invention also relates to a railway vehicle comprising the carriage. The inspection door can be mounted without leaving a gap between the inspection door of the electric cabinet of the carriage and the cabinet body, so that the cabinet body can have a relatively large placement space.

Description

Rail vehicles and their carriages

Technical field

This application relates to rail transit technology, in particular to a rail vehicle and its carriage.

Background technique

Rail vehicles are an important transportation link connecting cities, and have gradually become the main means of transportation in cities. Rail vehicles are also the main carrier for cargo transportation. The rail vehicle is equipped with an electrical cabinet, which is equipped with circuit breakers, relays, contactors, connectors, terminal blocks and other components and system equipment related to train safety and communication. The rail vehicle can realize its control Features. With the development of rail transit technology, its control functions have also been continuously improved, the devices and equipment in the electrical cabinet have gradually increased, and the space required by the electrical cabinet has gradually increased.

In the related art, partitions are provided in the carriages, and the partitions are fixed to the car body by connecting corners; the partitions and the side walls of the car body form a relatively closed containment space, and the electrical cabinet is placed in the containment space; one of the partitions The board is provided with an openable and closable inspection door to facilitate the overhaul and maintenance of the electrical cabinet. At present, in order to improve the integrity and aesthetics of the interior of the car, the connecting corners are usually arranged on the inner side of the partition wall facing the receiving space, which makes there is a certain gap between the periphery of the electrical cabinet and each partition or side wall. As a result, the installation space of the electrical cabinet is reduced, and the devices and system equipment that can be arranged in the electrical cabinet are limited, and it is difficult to meet the development needs of rail transit technology.

Summary of the invention

In the embodiments of the present application, a rail vehicle and its carriage are provided, which are used to solve the problem in the related art that there is a gap between the electrical cabinet and each partition wall, which results in a smaller space for the electrical cabinet.

An embodiment of the first aspect of the present application provides a carriage of a rail vehicle, including:

An electrical cabinet, the electrical cabinet has a cabinet body, one side of the cabinet body is connected to a side wall of the carriage; the cabinet body is provided with an installation space, and the cabinet body is provided with an inspection window communicating with the installation space;

An inspection door, one side of the inspection door is connected to the interior partition wall in the vehicle compartment, and the inspection door is openable and closable at the inspection window; when the inspection door is in a closed state where the inspection window is covered, it can be Connected with the cabinet;

The sealing element is abutted between the cabinet body and the inspection door.

In one of the possible implementation manners, the carriage further includes a locking mechanism; the locking mechanism is used to connect the inspection door to the cabinet when the inspection door is in a closed state.

In one of the possible implementations, the inspection door has opposite first and second sides, and the first side is relatively closer to the side wall; the first side is used to interact with the interior The partition wall is rotationally connected; the second side is connected to the locking mechanism.

In one of the possible implementation manners, the locking mechanism is a three-point locking mechanism.

In one of the possible implementation manners, the electrical cabinet further includes an adjusting bolt and a nut; one of the cabinet body and the seal is provided with a plurality of adjusting long holes distributed at intervals, and the adjusting bolt is connected to the cabinet. The other of the body and the sealing element is connected, and the adjusting bolt is slidably arranged in the corresponding long adjusting hole, so that the sealing element moves toward the inspection door or away from the inspection door relative to the cabinet body Movement; the nut is used to cooperate with the adjusting bolt when the sealing element moves to a preset position, so as to fasten the sealing element and the cabinet body.

In one of the possible implementation manners, the sealing member is a ring structure adapted to the shape of the inspection window.

In one of the possible implementation manners, the electrical cabinet further includes a sealing block provided with a wire hole through which the wire harness can pass, and the wire harness is connected to the components or equipment in the installation space The cabinet is provided with an outlet, and the sealing block is provided at the outlet.

In one of the possible implementation manners, the electrical cabinet further includes a heat dissipation fan installed to the cabinet body; an air outlet area is provided at the upper end of the cabinet body; the inspection door and/or the The side wall of the cabinet is provided with an air inlet area; the radiating fan is used to suck in external wind from the air inlet area and exhaust from the air outlet area.

In one of the possible implementation manners, the heat dissipation fan is arranged at the upper end of the cabinet.

In one of the possible implementation manners, the air inlet area is provided at the lower part of the inspection door.

In one of the possible implementation manners, the electrical cabinet further includes a filter screen, the filter screen is detachably installed on the inspection door, and the filter screen is located inside the air inlet area.

In one of the possible implementation manners, the compartment further includes a fireproof box, the fireproof box has a plurality of spaced apart fireproof expansion strips; the inner side of the air inlet area and/or the inner side of the air outlet area are arranged There is the fireproof box.

In one of the possible implementation manners, the cabinet includes a first fireproof frame and a first fireproof board, and the first fireproof board is connected to the first fireproof frame.

In one of the possible implementation manners, the cabinet body is provided with a first insulating plate facing the inner side of the installation space.

In one of the possible implementation manners, the inspection door includes a second fireproof frame and a second fireproof board, and the second fireproof board is connected to the second fireproof frame.

In one of the possible implementation manners, the inspection door is provided with a second insulating plate facing the inner side of the installation space.

An embodiment of the second aspect of the present application provides a rail vehicle, including the carriage as described in any one of the foregoing.

The embodiment of the application provides a rail vehicle and its carriage. By connecting the cabinet body with the side wall of the carriage, and by connecting one side of the inspection door covering the inspection window of the cabinet body with the interior partition wall, the inspection door is closed. It can also be connected to the cabinet when it is in the state. In this way, the inspection door can be installed without leaving a gap between the inspection door and the cabinet, so that the cabinet can have a relatively large space for placement, so that the electrical cabinet can be installed. Devices or system equipment that can be arranged in the body to meet the development needs of rail transit technology.

Description of the drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The exemplary embodiments and descriptions of the application are used to explain the application, and do not constitute an improper limitation of the application. In the attached picture:

Figure 1 Schematic diagram of installation of electrical cabinet in related technology;

Fig. 2 is a partial schematic diagram of a carriage provided by an exemplary embodiment;

Fig. 3 is an enlarged schematic diagram of part A in Fig. 2;

Fig. 4 is a schematic diagram of a vehicle compartment provided by an exemplary embodiment when the inspection door is in a closed state;

Fig. 5 is a schematic diagram of a carriage provided by an exemplary embodiment when the inspection door is in an open state;

Fig. 6 is a schematic structural diagram of an electrical cabinet in a carriage provided by an exemplary embodiment;

Fig. 7 is a schematic diagram of the position of the locking mechanism in the carriage provided by an exemplary embodiment;

Fig. 8 is a schematic structural diagram of a seal in a vehicle compartment provided by an exemplary embodiment;

Fig. 9 is an enlarged schematic diagram of part B in Fig. 8;

Fig. 10 is a partial structural diagram of a cabinet in a carriage provided by an exemplary embodiment;

FIG. 11 is a schematic diagram of the position of the heat dissipation fan in the carriage provided by an exemplary embodiment;

Fig. 12 is a schematic diagram of air flow in an electrical cabinet provided by an exemplary embodiment;

FIG. 13 is a schematic diagram of a state when the filter screen is taken out in the carriage provided by an exemplary embodiment; FIG.

Fig. 14 is a schematic diagram of the positions of the cooling fan and the fire box at the air outlet area of the electrical cabinet provided by an exemplary embodiment.

Description of reference signs:

1-carriage;

11- electrical cabinet; 111- cabinet body; 112- inspection window; 113- sealing block; 114- cooling fan; 115- air outlet area;

13- inspection door; 131- air inlet area; 132- locking mechanism; 1321-upper door lock; 1322-middle door lock; 1323-lower door lock; 133-filter mesh; 134-fire box;

15-seal; 151-seal body; 152-connecting edge; 153-adjusting slot;

17-Interior wall;

19-Side wall.

Detailed ways

In order to make the technical solutions and advantages of the embodiments of the present application clearer, the exemplary embodiments of the present application will be described in further detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, and Not all examples are exhaustive. It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other if there is no conflict.

In the related art, as shown in Figure 1, one side of the electrical cabinet 011 faces the side wall 014 of the carriage, and the remaining three sides of the electrical cabinet 011 are respectively shielded by partition panels 012; one of the partition panels 012 is provided with an openable and closable inspection door 0121, to facilitate the overhaul and maintenance of the electrical cabinet 011. Among them, each partition wall 012 is fixed to the car body through a plurality of connecting corner codes 013, and the connecting corner code 013 is placed on the partition wall 012 facing the inner side of the containing space, which makes the electrical cabinet 011 and each partition wall 012 have a certain distance. And there is also a gap between the electrical cabinet 011 and the side wall 014 to leave space for the connection between the inner wall 012 and the side wall 014. As a result, the placement space of the electrical cabinet 011 becomes smaller, and the devices and system equipment that can be arranged in the electrical cabinet 011 are limited, and it is difficult to meet the development needs of rail transit technology. In a limited space, for example, when the corridor space in the carriage is not occupied, how to arrange more devices and system equipment in the electrical cabinet has become an urgent problem to be solved in the industry.

In order to overcome the above-mentioned problems, the embodiments of the present application provide a rail vehicle and its carriage, by connecting the cabinet to the side wall of the carriage, and by connecting one side of the inspection door covering the inspection window of the cabinet with the interior partition wall, The inspection door can also be connected to the cabinet when it is closed. In this way, the inspection door can be installed without leaving a gap between the inspection door and the cabinet, so that the cabinet can have a relatively large storage space. The devices or system equipment that can be arranged in the electrical cabinet can meet the development needs of rail transit technology.

Please refer to FIGS. 2 to 14, the structure and implementation process of the rail vehicle and its carriage provided in this embodiment will be illustrated below with reference to the drawings. Among them, it can be understood that, in some examples, in order to easily reflect the structure of the electrical cabinet or the inspection door, a part of the structure of the carriage is hidden.

Please refer to FIG. 2 to FIG. 6, the carriage 1 provided in this embodiment includes: an electrical cabinet 11, an inspection door 13 and a seal 15.

For ease of description, in this embodiment, the side of the electrical cabinet 11 facing the inspection door 13 may be taken as the front (arrow Y in the figure), and the side of the electrical cabinet 11 facing away from the inspection door 13 is the rear; The end facing the floor of the carriage 1 is the lower end, and the end of the electrical cabinet 11 facing away from the floor of the carriage 1 is the upper end (arrow Z in the figure); the other two sides are the left and right sides (arrow X in the figure).

The electrical cabinet 11 has a cabinet body 111, and the cabinet body 111 may be a box structure, so as to facilitate the electrical cabinet 11 to have a certain sealing performance, and to achieve functions such as dustproof and waterproof. The cabinet 111 encloses an installation space, that is, the space in the cabinet 111 forms an installation space, and some components and system equipment are arranged in the installation space. A plurality of installation boards can be arranged in the installation space, the installation boards can be connected to the cabinet 111, and at least part of the components and system equipment can be installed on the installation boards. In this embodiment, the arrangement and installation of the components and system equipment in the installation space are not specifically limited here, and those skilled in the art can make settings according to actual needs.

In addition, the carriage 1 in this embodiment can be a head car with a driver’s cab, or a passenger carriage 1 for accommodating passengers or goods; correspondingly, the electrical cabinet 11 in this embodiment can be the electrical cabinet in the head car. The cabinet 11 may also be an electrical cabinet 11 in the passenger compartment 1.

One side of the cabinet 111 can be connected to the side wall 19 of the carriage 1. For example, the cabinet 111 can be connected to the side wall 19 through a connecting corner to help ensure the positioning reliability and stability of the electrical cabinet 11. At this time, there is a certain gap between the cabinet 111 and the side wall 19, and the gap is adapted to the size of the connecting corner. An interior partition wall 17 is also provided in the carriage 1, and the interior partition wall 17 can be located on the front side of the electrical cabinet 11 to cover the gap between the electrical cabinet 11 and the side wall 19. The interior partition wall 17 can also be connected to the side wall 19 through a connecting corner, and the connecting corner can also be located in the gap between the side wall 19 and the electrical cabinet 11. In addition, the rear side of the cabinet body 111 and the side of the cabinet body 111 facing the corridor may also be respectively provided with a rear partition wall and a side partition wall. The rear partition wall and the side partition wall may be the same as or similar to the related art. Compared with the related art, in this embodiment, the gap between the cabinet 111 and the side wall 19, the gap between the cabinet 111 and the rear partition wall, and the gap between the cabinet 111 and the side partition wall do not need to be increased.

An inspection window 112 is provided on the front side of the cabinet 111, and an inspection door 13 is provided at the inspection window 112. The inspection door 13 can be opened and closed at the inspection window 112. In this way, when the electrical cabinet 11 needs to be inspected or maintained, the inspection door 13 can be opened so that the operator can inspect and maintain the components, system equipment, etc. in the electrical cabinet 11 from the inspection window 112. After the inspection and maintenance work is completed, the inspection door 13 can be closed so that the inspection door 13 is covered at the inspection window 112, so as to be able to cover the components and system equipment in the cabinet 111.

One side of the inspection door 13 is connected to the interior partition 17 located on the front side of the electrical cabinet 11; the inspection door 13 is also connected to the cabinet 111 when it is in the closed state. Among them, the inspection door 13 has an open state and a closed state; when the inspection door 13 is in the open state, the components and system equipment in the electrical cabinet 11 can be exposed from the inspection window 112, so that the operator can access the electrical equipment from the inspection window 112. The components or system equipment in the cabinet 11 are inspected and maintained; when the inspection door 13 is closed, the inspection door 13 is covered at the inspection window 112 to seal the installation space, and the inspection door 13 also has a decorative function, which is beneficial to improve the vehicle The integrity of the interior trim improves the aesthetics of the interior of the car.

In some examples, the inspection door 13 can be detachably connected to the interior partition wall 17 located on the front side by screws, and the inspection door 13 can also be detachably connected to the cabinet 111 by screws. In this way, when it is necessary to overhaul and maintain the components or system equipment in the electrical cabinet 11, the screws can be unscrewed, and the inspection door 13 can be removed, and the operator can inspect the components in the electrical cabinet 11 from the operating window. Or system equipment for overhaul and maintenance. After the inspection and maintenance work is completed, the inspection door 13 is installed to the interior partition wall 17 and the cabinet 111 by screws.

In other examples, one side of the inspection door 13 can be rotatably connected to the interior partition wall 17 through a hinge, and the rotation axis of the inspection door 13 relative to the interior partition wall 17 can extend in a vertical direction. The inspection door 13 can also be connected to the cabinet 111 by screws; in this way, when the components or system equipment in the electrical cabinet 11 need to be inspected and maintained, the screws can be unscrewed to drive the inspection door 13 in a direction away from the installation space Rotate to open the inspection window 112, and the operator can inspect and maintain the components or system equipment in the electrical cabinet 11 from the inspection window 112; after the inspection and maintenance work is completed, install the inspection door 13 to the cabinet by screws体111.

Alternatively, the inspection door 13 can also be connected to the cabinet 111 through a locking mechanism 132, and the locking mechanism 132 can adopt a locking structure commonly used in rail vehicles; in this way, the components or system equipment in the electrical cabinet 11 need to be inspected and repaired. During maintenance and maintenance, the locking mechanism 132 can be opened by a key to make the locking mechanism 132 in an unlocked state, and then the inspection door 13 is driven to rotate in a direction away from the installation space to open the inspection window 112, and the operator can check the electrical equipment from the inspection window 112. The components or system equipment in the cabinet 11 are overhauled and maintained; after the overhaul and maintenance operations are completed, the locking mechanism 132 is switched to the locked state, so that the inspection door 13 is connected to the cabinet 111 through the locking mechanism 132.

In this embodiment, when the inspection door 13 is in the closed state, the inspection door 13 can be connected to the interior partition wall 17, and can also be connected to the cabinet 111, so as to realize the installation and fixing of the inspection door 13; at this time, the inspection door 13 does not need There is no need to reserve a gap between the re-pass and the cabinet 111, that is, in this embodiment, at least there is no need to leave a gap between the front side of the electrical cabinet 11 and the inspection door 13, which is beneficial to increase the placement of the electrical cabinet 11. space.

The inspection door 13 can be sealed and matched with the cabinet 111 to improve the sealing performance of the installation space and further improve the dustproof and waterproof performance. In some examples, a seal 15 may be provided between the inspection door 13 and the cabinet 111. The sealing member 15 may be made of elastic materials such as rubber. When the inspection door 13 is in the closed state, the seal 15 can be in a squeezed state, so that the seal 15 can be closely lower than the inspection door 13 and the cabinet 111 in contact, so that the seal 15 fills the inspection door 13 with the cabinet at the edge. The gap between the body 111 ensures that external dust, liquid, etc. cannot enter the installation space from the gap between the inspection door 13 and the cabinet body 111.

Optionally, the sealing member 15 may be a ring structure adapted to the shape of the inspection window 112. For example, when the inspection window 112 is rectangular, the sealing member 15 is a rectangular ring body. The sealing member 15 may be an integrally arranged ring structure. Alternatively, the sealing member 15 may be a ring structure formed by splicing a plurality of sealing strips.

The carriage 1 provided in this embodiment connects the cabinet 111 to the side wall 19 of the carriage 1, and connects one side of the inspection door 13 covering the inspection window 112 of the cabinet 111 to the interior partition 17, and the inspection door 13 It can also be connected to the cabinet 111 when it is in the closed state. In this way, the inspection door 13 can be installed without leaving a gap between the inspection door 13 and the cabinet 111, so that the cabinet 111 can have a relatively large size. The placement space enables the devices or system equipment that can be arranged in the 11 body of the electrical cabinet 111 to meet the development needs of rail transit technology.

In one of the possible implementation manners, as shown in FIGS. 5 and 7, the carriage 1 further includes a locking mechanism 132. The locking mechanism 132 is connected to the inspection door 13 and the cabinet 111. The lock mechanism 132 has a locked state and an unlocked state. When the locking mechanism 132 is in the locked state, it can be used to connect the inspection door 13 with the cabinet 111 so that the inspection door 13 is in the closed state. When the locking mechanism 132 is in the unlocked state, the inspection door 13 can be switched from the closed state to the open state.

Exemplarily, the inspection door 13 has a first side and a second side opposite to each other, and the first side is relatively closer to the side wall 19. The first side can be rotatably connected with the interior partition wall 17 via at least one hinge, for example, the first side can be rotatably connected with the interior partition wall 17 via two or three hinges distributed at intervals. The second side is connected to the locking mechanism 132.

In some examples, the locking mechanism 132 may be a three-point locking mechanism. The three-point locking mechanism may include an upper door lock 1321, a middle door lock 1322, and a lower door lock 1323 distributed in the vertical direction; among them, the middle door lock 1322 can adopt a common lock structure; the middle door lock 1322 can pass through the upper link respectively , The lower connecting rod is connected with the upper door lock 1321 and the lower door lock 1323, so as to control the upper door lock 1321 and the middle door lock 1322 to open and close at the same time through the middle door lock 1322.

Exemplarily, the middle door lock 1322 may include a lock shell, a lock core, a transmission mechanism, a lock tongue, and an elastic piece. The lock core, the transmission mechanism, the lock tongue, and the elastic piece are arranged in the lock shell, and the lock shell may be arranged on the inspection door 13 , The cabinet 111 is provided with a lock hole matching the lock tongue; the lock cylinder can be driven by the rotation of the key, and the lock tongue can be driven in and out of the lock hole through the transmission mechanism. For example, when the locking mechanism 132 needs to be switched to the unlocked state, the key inserted in the lock cylinder can be used to drive the lock cylinder to rotate, and the transmission mechanism can drive the lock tongue to slide out and shrink from the lock hole provided in the cabinet 111 To the inside of the lock shell, the connection between the inspection door 13 and the cabinet 111 is released. At this time, the inspection door 13 can be opened; then, under the action of the elastic member, the elastic member can drive the lock tongue to extend out of the lock shell again Make the lock tongue in the initial position.

Among them, the lock tongue can be connected with a linkage, and the linkage can be connected to the upper link and the lower link; when the lock tongue is retracted to the lock shell, the lock tongue drives the upper door lock through the linkage, the upper link and the lower link 1321 and the lower door lock 1323 move to the unlocked state; in the process of re-extending the lock tongue out of the lock shell, the lock tongue can also drive the upper door lock 1321 and the lower door lock 1323 to restore their original positions through the linkage, upper link and lower link .

Of course, the specific structure and implementation process of the three-point locking mechanism are not limited to this, and this embodiment does not specifically limit it here. The three-point locking mechanism can adopt its conventional structure or can be set by those skilled in the art according to actual needs.

In other examples, the locking mechanism 132 may be a common door lock structure; its realization process may be similar to the intermediate door lock 1322 in the foregoing examples, and the door lock structure at this time does not need to be provided with a linkage. At this time, there may be one door lock structure, and the door lock structure may be arranged in the middle of the inspection door 13 to facilitate the operation of the operator. Of course, there may be multiple locking mechanisms 132, and the multiple locking mechanisms 132 may be spaced apart along the vertical direction.

In one of the possible implementation manners, as shown in FIGS. 8 and 9, the sealing member 15 can slide relative to the cabinet 111, so that the sealing member 15 can move toward or away from the inspection door 13.

Exemplarily, the electrical cabinet 11 further includes adjusting bolts and nuts. The sealing member 15 is provided with a plurality of adjusting elongated holes 153 distributed at intervals; the length direction of the adjusting elongated holes 153 is parallel to the front-rear direction. Illustratively, the seal 15 includes a ring-shaped sealing body 151, a connecting edge 152 extending backward is provided on the rear side of the sealing body 151, and an adjusting slot 153 is provided on the connecting edge 152.

The adjusting bolts are respectively slidably disposed in the corresponding long adjusting holes 153. The corresponding position of the cabinet 111 is provided with bolt holes, and the adjusting bolts are inserted through the bolt holes. Among them, the cabinet 111 can be pre-embedded with nuts. At this time, the head of the adjusting bolt can be located on the side of the seal 15 away from the cabinet 111, and the rod of the adjusting bolt passes through the long adjusting hole 153 and the bolt hole in turn, and can be connected with each other. The nut is matched; or, the head of the adjusting bolt is located in the cabinet 111, and the rod of the adjusting bolt passes through the bolt hole and the adjusting long hole 153 in sequence and can be matched with the nut.

The nut is used to cooperate with the adjusting bolt when the seal 15 moves to a preset position relative to the cabinet 111 to fasten the seal 15 to the cabinet 111. In this way, the seal 15 can slide relative to the adjusting bolt, that is, the seal 15 can move toward or away from the inspection door 13 relative to the cabinet 111.

Wherein, when the sealing member 15 moves to the preset position, the front side of the sealing member 15 can be in close contact with the inspection door 13, so as to ensure that the sealing member 15 can fill the gap between the edge of the inspection door 13 and the cabinet 111, which is beneficial to ensure proper installation. The sealing effect of the space. In addition, the long adjusting hole 153 can also be opened on the cabinet 111, and the bolt hole can be opened on the sealing member 15. The implementation process at this time can be similar to the foregoing, and will not be repeated here.

In the specific operation process, when there is a gap between the sealing element 15 and the inspection door 13, the nut or bolt can be loosened, and the sealing element 15 can be controlled to move forward relative to the cabinet 111 until the sealing element 15 can interact with the inspection door 13. The door 13 abuts to ensure that the seal 15 and the inspection door 13 can be in close contact. Of course, under normal circumstances, the interior partition wall 17 also has a certain amount of adjustment relative to the vehicle body, and the position of the interior partition wall 17 relative to the vehicle body can also be adjusted to ensure that the seal 15 and the inspection door 13 can be in close contact.

In addition, as shown in Figure 6, the electrical cabinet 11 also includes a sealing block 113, which is provided with a wire hole for the wire harness to pass through, and the wire harness is connected to the device or equipment in the installation space; the cabinet 111 is provided with a wire outlet , The sealing block 113 is arranged at the outlet. Among them, the sealing block 113 can be in close contact with the inner wall of the outlet, and the sealing block 113 is also in close contact with the wiring harness passing through it; in this way, it can prevent the roof air-conditioning air duct from dripping into the electrical cabinet 11 and affecting the internal system. The normal operation of equipment and components. Wherein, the sealing block 113 may be made of rubber material; or, the sealing block 113 may be formed of a sealant filled at the outlet.

In one of the possible implementations, as shown in FIG. 10, the cabinet 111 includes a first fireproof frame and a first fireproof board. The first fireproof board is connected to the first fireproof frame, so that the cabinet 111 can form a closed installation. Space is conducive to waterproof and dustproof. The first fire protection frame may be cubic. The first fire protection frame can be formed by connecting a plurality of connecting beams. The first fireproof board may cover the first fireproof frame; for example, the first fireproof board may be covered on the outer surface of the first fireproof frame, and/or the first fireproof board may be covered on the inner surface of the first fireproof frame , So that the cabinet 111 has sealing performance. Of course, the first fireproof board can also be connected to a plurality of connecting beams forming the frame structure to block the space between the connecting beams, so that the cabinet 111 has a sealing performance.

The first fireproof frame and the first fireproof board can be made of fireproof materials such as stainless steel plates. In this way, when a fire occurs in the electrical cabinet 11, the first fireproof frame and the first firewall can prevent the fire from spreading outward. In addition, the first fireproof frame and the first fireproof board made of stainless steel also have good strength, so that the cabinet 111 also has a certain load-bearing performance.

Optionally, the cabinet 111 is provided with a first insulating plate toward the inner side of the installation space, so that the cabinet 111 has electrical insulation performance, so as to prevent the cabinet 111 from being electrically connected to the internal components and the like. In addition, the first insulating board can also have anti-corrosion, anti-ultraviolet and other properties. Exemplarily, the first fireproof board may be covered on the inner surface of the first fireproof frame by a skin process; the first insulating board is arranged on the inner surface of the first fireproof board.

The structure and function of the inspection door 13 may be similar to the cabinet 111. Exemplarily, the inspection door 13 includes a second fireproof frame and a second fireproof board, and the second fireproof board is connected to the second fireproof frame. The second fireproof frame may be located in the vertical plane; the second fireproof board may be wrapped on the inner surface and/or the outer surface of the second fireproof frame; so that the inspection door 13 has a certain sealing performance to realize water discharge and dust prevention.

The second fireproof frame and the second fireproof board can be made of fireproof materials such as stainless steel plates. In this way, when a fire occurs in the electrical cabinet 11, the second fireproof frame and the second firewall can prevent the fire from spreading outward. In addition, the second fireproof frame and the second fireproof board made of stainless steel also have good strength, so that the inspection door 13 also has certain impact resistance.

The inspection door 13 is provided with a second insulating board toward the inner side of the installation space, so that the inspection door 13 has electrical insulation performance, so as to avoid electrical connection between the cabinet 111 and the internal components and the like. In addition, the second insulating board can also have anti-corrosion and anti-ultraviolet properties. Exemplarily, the second fireproof board may be covered on the inner surface of the second fireproof frame by a skin process; the second insulating board is arranged on the inner surface of the second fireproof board. In addition, the color and material of the outer surface of the inspection door 13 can be the same as the surface of the interior partition wall 17 to facilitate the integrity and aesthetics in the compartment 1.

In this implementation, the electrical cabinet 11 has good sealing performance, can achieve electrical insulation, fireproof, waterproof, and dustproof, so as to help ensure the functional reliability of the components and system equipment in the electrical cabinet 11, and is beneficial to the passengers in the rail vehicle. Or the safety of the goods. Of course, the structure of the cabinet 111 and the inspection door 13 is not limited to this, and the present embodiment is just an example for illustration.

In one of the possible implementation manners, as shown in Figs. 11 and 12, the dashed arrow in Fig. 12 is used to indicate the direction of the airflow; the carriage 1 further includes a heat dissipation fan 114, which is mounted to the cabinet 111; The upper end of the body 111 is provided with an air outlet area 115; the inspection door 13 and/or the side wall of the cabinet 111 is provided with an air inlet area; the cooling fan 114 is used to suck in the external wind from the air inlet area 131 and from the air outlet area 115 discharge.

The cooling fan 114 may be arranged at the air inlet area 131 or at the air outlet area 115, or between the air inlet area 131 and the air outlet area 115. When the cooling fan 114 is in working condition, a negative pressure zone can be formed at least at the air inlet area 131 to be able to suck in external air from the air inlet area 131 and form an airflow with a certain speed; the airflow enters from the air inlet area 131 Heat exchange occurs in the installation space and with the components and system equipment in the installation space and flows out from the air outlet area 115, so that the heat generated by the components and system equipment is taken out of the electrical cabinet 11.

Exemplarily, the air inlet area 131 and the air outlet area 115 may be respectively provided with multiple through holes to help reduce the possibility of external dust, liquid, etc. entering the installation space from the air inlet area 131 or the air outlet area 115. The through hole may be a round hole, or the through hole may be a strip-shaped long hole. A plurality of through holes may be distributed in a matrix.

The air inlet area 131 may be located at the lower part of the inspection door 13 or the cabinet 111, and the air outlet area 115 may be located at the upper end of the cabinet 111 to help improve heat dissipation efficiency. The heat dissipation fan 114 is also arranged on the upper end of the cabinet 111; for example, the heat dissipation fan 114 may be arranged on the lower surface of the upper end wall of the cabinet 111, and the air outlet area 115 may be arranged on the upper end wall of the cabinet 111. Optionally, the air outlet area 115 may be arranged at the lower part of the inspection door 13. Of course, the air outlet area 115 can also be arranged at the lower part of the cabinet 111, for example, on the side of the cabinet 111 facing the corridor. Correspondingly, air outlets need to be provided at the corresponding position of the side partition wall and the air outlet area 115.

In order to further improve the dustproof performance, as shown in FIG. 13, a filter screen 133 is provided at the air inlet area 131 at the lower part of the inspection door 13, and the filter screen 133 is located inside the air inlet area 131. The filter 133 is used to filter out dust and other particles in the air entering the installation space from the air inlet area 131.

Optionally, the filter screen 133 is detachably installed on the inspection door 13 to facilitate the replacement of the filter screen in the filter screen 133, thereby helping to ensure the filtering effect of the filter screen 133. Exemplarily, the filter screen 133 includes an installation substrate and a filter screen; the installation substrate can be detachably connected to the inspection door 13; the area corresponding to the installation substrate and the air inlet area 131 is provided with an opening; the filter screen is bonded to the installation substrate and the filter screen covers Opening settings. After the filter 133 has worked for a certain period of time, the filter 133 can be removed and washed from the inspection door 13 and the filter can be torn off, and the new filter can be pasted on the mounting substrate, and then the filter 133 can be installed on the inspection door 13 There are 115 wind outlets. In a specific implementation process, the filter screen 133 is pluggably arranged on the inner side of the inspection door 13.

In order to further improve the fireproof performance of the electrical cabinet 11, optionally, a fireproof box 134 may be provided at the air inlet area 131 and the air outlet area 115, respectively. The fireproof box 134 has a plurality of fireproof expansion strips distributed at intervals. In this way, when a fire occurs inside the electrical cabinet 11, the temperature inside the electrical cabinet 11 will rise; when the internal temperature rises to a certain value, for example, when it reaches 190°C, the fireproof expansion strip will expand to block the fireproof box 134, which also The through holes at the air outlet area 115 and the air inlet area 131 are blocked to ensure that the flames in the electrical cabinet 11 will not escape from the partition wall to the passenger compartment area at a certain time, endangering the safety of passengers.

Among them, the specific structure of the fireproof box 134 can adopt its conventional configuration. For example, the fireproof box 134 includes a mounting seat and a plurality of spaced apart fireproof expansion strips installed to the mounting seat; the mounting seat is roughly box-shaped; Through the opening. The fire box 134 is detachably installed on the inspection door 13 or the cabinet 111. In addition, the fireproof box 134 at the air outlet area 115 may be located on the upper side of the heat dissipation fan 114, as shown in FIG. 14.

At the air outlet area 115, the filter screen 133 may be arranged between the fire box 134 and the inspection door 13. A chute can be formed between the front side of the fire box 134 and the inspection door 13, and the filter screen 133 is slidably arranged at the chute to facilitate the replacement of the filter screen in the filter screen 133.

In the carriage 1 provided in this embodiment, the inspection door 13 can be connected to the cabinet 111 as a whole, and there is no need to reserve a gap between the inspection door 13 and the cabinet 111, so that the electrical cabinet 11 has a relatively larger storage space and improves The space utilization rate of the electrical cabinet 11 is improved.

By setting the seal 15 between the cabinet 111 and the inspection door 13, by setting the sealing block 113 at the outlet, and combining the cabinet 111 and the inspection door 13 with a fireproof frame and a fireproof board, the electrical The cabinet 11 can meet the sealing requirements and has good dustproof and water discharge performance. The filter 133 provided at the air inlet area 131 of the inspection door 13 can further improve the dust-proof effect.

The fireproof box 134 arranged at the fireproof frame, fireproof board and arranged at the air inlet area 131 and the air outlet area 115 can also prevent the fire in the electrical cabinet 11 from spreading outward, so as to help ensure the safety of passengers or goods in the carriage 1 . By providing an insulating layer on the inner side of the inspection door 13 and the cabinet 111, the electrical cabinet 11 has electrical insulation performance, which is beneficial to ensure the working reliability of the components and system equipment in the cabinet 111. On the premise of meeting the sealing requirements, the components or system equipment in the electrical cabinet 11 can be overhauled and maintained only by opening the door once, and the operation is simple and easy to implement. In addition, by setting the position of the sealing element 15 to be adjustable, it is possible to avoid the influence of the production error and installation error of the electrical cabinet 11 or the inspection door 13 on the sealing effect, and to ensure that the sealing element 15 affects the cabinet 111 and the inspection door 13 Sealing effect.

This embodiment also provides a rail vehicle, which includes a carriage 1 and a bogie arranged under the carriage 1. The bogie is used to support the carriage 1 and ensure that the carriage 1 can run safely and smoothly. Among them, the structure of the bogie can adopt conventional settings in the field; the car 1 can be the car 1 in any of the foregoing embodiments, and this embodiment will not be repeated here.

In the description of this application, it should be understood that the terms "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, It is constructed and operated in a specific orientation, so it cannot be understood as a limitation of this application.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, "a plurality of" means at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , Or integrated; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.

Although some optional embodiments of the present application have been described, those skilled in the art can make additional changes and modifications to these embodiments once they learn the basic creative concept. Therefore, the appended claims are intended to be interpreted as including some optional embodiments and all changes and modifications falling within the scope of the present application.

Obviously, those skilled in the art can make various changes and modifications to the application without departing from the spirit and scope of the application. In this way, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalent technologies, this application is also intended to include these modifications and variations.

Claims

A carriage of a rail vehicle, which is characterized in that it comprises:

An electrical cabinet, the electrical cabinet has a cabinet body, one side of the cabinet body is connected to a side wall of the carriage; the cabinet body is provided with an installation space, and the cabinet body is provided with an inspection window communicating with the installation space;

An inspection door, one side of the inspection door is connected to the interior partition wall in the vehicle compartment, and the inspection door is openable and closable at the inspection window; when the inspection door is in a closed state where the inspection window is covered, it can be Connected with the cabinet;

The sealing element is abutted between the cabinet body and the inspection door.
The carriage according to claim 1, further comprising a locking mechanism; the locking mechanism is used to connect the inspection door to the cabinet when the inspection door is in a closed state.
The carriage according to claim 2, wherein the inspection door has opposite first and second sides, and the first side is relatively closer to the side wall; the first side is used for The inner compartment wall is rotationally connected; the second side is connected to the locking mechanism.
The carriage according to claim 2, wherein the locking mechanism is a three-point locking mechanism.
The carriage according to claim 1, wherein the electrical cabinet further comprises an adjusting bolt and a nut; one of the cabinet body and the sealing member is provided with a plurality of adjusting long holes distributed at intervals, and the adjusting bolt and The other of the cabinet body and the sealing element is connected, and the adjusting bolt is slidably arranged in the corresponding long adjusting hole, so that the sealing element moves toward the inspection door or away from the cabinet body relative to the cabinet body. The inspection door moves; the nut is used to cooperate with the adjusting bolt when the seal moves to a preset position, so as to firmly connect the seal with the cabinet.
The vehicle compartment according to claim 1, wherein the sealing element is a ring structure adapted to the shape of the inspection window.
The carriage according to claim 1, wherein the electrical cabinet further comprises a sealing block, the sealing block is provided with a wiring hole for the wire harness to pass through, and the wire harness is connected to the element in the installation space. Device or equipment; the cabinet is provided with an outlet, and the sealing block is arranged at the outlet.
The carriage according to claim 1, wherein the electrical cabinet further comprises a heat dissipation fan, the heat dissipation fan is installed to the cabinet body; the upper end of the cabinet body is provided with an air outlet area; the inspection door and /Or the side wall of the cabinet is provided with an air inlet area; the heat dissipation fan is used to suck in external wind from the air inlet area and exhaust from the air outlet area.
The carriage according to claim 8, wherein the heat dissipation fan is arranged at the upper end of the cabinet.
The carriage according to claim 8, wherein the air inlet area is provided at the lower part of the inspection door.
The carriage according to claim 10, further comprising a filter screen, the filter screen is detachably installed on the inspection door, and the filter screen is located inside the air inlet area.
The carriage according to claim 8, further comprising a fireproof box, the fireproof box having a plurality of spaced apart fireproof expansion strips; the inner side of the air inlet area and/or the inner side of the air outlet area are arranged There is the fireproof box.
The carriage according to any one of claims 1-12, wherein the cabinet body comprises a first fireproof frame and a first fireproof board, and the first fireproof board is connected to the first fireproof frame;

And/or, the cabinet is provided with a first insulating plate facing the inner side of the installation space.
The carriage according to any one of claims 1-12, wherein the inspection door comprises a second fireproof frame and a second fireproof board, and the second fireproof board is connected to the second fireproof frame;

And/or, the inspection door is provided with a second insulating plate facing the inner side of the installation space.
A rail vehicle, characterized by comprising: the carriage according to any one of claims 1-14.