CN112389475B

CN112389475B - Carriage and rail vehicle

Info

Publication number: CN112389475B
Application number: CN202011297111.5A
Authority: CN
Inventors: 胡国鹏; 杨帅; 闫文云; 王艮川; 刘鸿宇; 万红雨
Original assignee: CRRC Tangshan Co Ltd
Current assignee: CRRC Tangshan Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2023-03-21
Anticipated expiration: 2040-11-18
Also published as: CN112389475A; WO2022104951A1

Abstract

The embodiment of the application provides a carriage and a rail vehicle, wherein the carriage comprises a vehicle body, and the vehicle body comprises a first side wall and a second side wall which are adjacent; the electric appliance cabinet is arranged in the vehicle body and is positioned at the joint of the first side wall and the second side wall; the fire prevention cabinet is connected the automobile body and is covered in the outside at the electric appliance cabinet, and the fire prevention cabinet is fire-resistant composite sheet fire prevention cabinet, and fire-resistant composite sheet is including the PLASTIC LAMINATED, first aluminum plate, light core steel sheet and the second aluminum plate of range upon range of setting, and wherein, the PLASTIC LAMINATED sets up in the one side that deviates from the electric appliance cabinet. Because the fireproof cabinet is arranged on the outer side of the electric appliance cabinet, the electric appliance cabinet does not need to have the fireproof function; the periphery of the fire-proof cabinet is connected with the vehicle body, so that a closed space is formed between the fire-proof cabinet and the vehicle body to ensure the fire-proof capability; the fire-proof cabinet is made of a fire-proof composite board, and compared with a single fire-proof board, the fire-proof composite board has the characteristics of light weight, no harmful gas generation and the like under the same volume, and is more environment-friendly.

Description

Carriage and rail vehicle

Technical Field

The application relates to a rail vehicle manufacturing technology, in particular to a carriage and a rail vehicle.

Background

With the development of high-speed railways and urban rail transit in China, rail vehicles gradually become the first choice for people to go out.

The rail vehicle usually comprises a plurality of carriages connected end to end, the carriages comprise a vehicle body, one end of the vehicle body is provided with an electrical cabinet, and a plurality of high-voltage electrical equipment and control equipment are arranged in the electrical cabinet so as to meet the requirements of power distribution of the vehicle and train operation control. Because be equipped with multiple high-voltage electrical equipment and controlgear in the electric appliance cabinet, there is certain easily burning risk at the during operation, therefore electric appliance cabinet itself needs to possess certain fire behavior. In order to solve the problem, in the related art, the electrical cabinet is generally made of a fireproof plate, and fireproof paint is sprayed on the fireproof plate on the inner side of the electrical cabinet or a stainless steel plate is adhered on the fireproof plate to further prevent fire.

However, with the solutions in the related art, the electrical cabinet is heavy in weight, and the fireproof paint can generate a large amount of harmful gas after encountering open fire, which is not good for the health of passengers.

Disclosure of Invention

The embodiment of the application provides a carriage and rail vehicle, and fire prevention electrical apparatus cabinet itself is heavier among the mainly used solution correlation technique, can produce a large amount of harmful gas when meeting the fire burning, is unfavorable for passenger's healthy problem.

According to a first aspect of embodiments of the present application, there is provided a vehicle compartment, including:

a body comprising adjacent first and second sidewalls;

the electric appliance cabinet is arranged in the vehicle body and is positioned at the connecting position of the first side wall and the second side wall;

the fire prevention cabinet, the fire prevention cabinet is connected automobile body and cover are established the outside of electrical apparatus cabinet, the fire prevention cabinet is fire-resistant composite sheet fire prevention cabinet, fire-resistant composite sheet is including PLASTIC LAMINATED, first aluminum plate, light core steel sheet and the second aluminum plate of range upon range of setting, wherein, the PLASTIC LAMINATED sets up and is deviating from one side of electrical apparatus cabinet.

According to a second aspect of the embodiments of the present application, there is provided a rail vehicle comprising a plurality of end-to-end cars, at least one of the cars being as described above

By adopting the carriage and the rail vehicle, the carriage comprises a vehicle body, and the vehicle body comprises a first side wall and a second side wall which are adjacent; the electric appliance cabinet is arranged in the vehicle body and is positioned at the joint of the first side wall and the second side wall; the fire prevention cabinet is connected the automobile body and is covered in the outside at the electric appliance cabinet, and the fire prevention cabinet is fire-resistant composite sheet fire prevention cabinet, and fire-resistant composite sheet is including the PLASTIC LAMINATED, first aluminum plate, light core steel sheet and the second aluminum plate of range upon range of setting, and wherein, the PLASTIC LAMINATED sets up in the one side that deviates from the electric appliance cabinet. Because the fireproof cabinet is arranged on the outer side of the electric appliance cabinet, the electric appliance cabinet does not need to have the fireproof function, and the periphery of the fireproof cabinet is connected with the vehicle body, so that a closed space is formed with the vehicle body, and the fireproof capacity is ensured; the fire-proof cabinet is made of a fire-proof composite board, and compared with a single fire-proof board, the fire-proof composite board has the characteristics of light weight, no harmful gas generation and the like under the same volume, and is more environment-friendly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a block diagram illustrating a vehicle cabin provided by an embodiment of the present application;

FIG. 2 is a block diagram of a fire protection cabinet according to an embodiment of the present disclosure;

shown in FIG. 3 is a cross-sectional view of a refractory composite panel provided by an embodiment of the present application;

FIG. 4 is a schematic view of a fire protection cabinet according to an embodiment of the present disclosure from a first perspective;

shown in FIG. 5 isbase:Sub>A cross-sectional view A-A of FIG. 4;

FIG. 6 is an enlarged view of a portion A of FIG. 5;

shown in FIG. 7 is a cross-sectional view B-B of FIG. 4;

FIG. 8 is an enlarged view of a portion B of FIG. 7;

figure 9 shows the access door of figure 5 in an open condition;

FIG. 10 is a schematic view of a fire protection cabinet according to an embodiment of the present disclosure from a second perspective;

shown in FIG. 11 is a cross-sectional view C-C of FIG. 10;

the schematic view of the connection between the fire protection cabinet and the floor of the compartment of the present application is shown in fig. 12.

Reference numerals:

10-a vehicle body; 110-a first side wall; 120-a second sidewall;

20-a fire-proof cabinet; 210-a first side panel; 220-a second side panel; 230-connecting profile; 240-access door; 2401-a door frame; 2402-a lock; 2410-a first access door; 2420-a second access door; 250-a first hinge; 260-a second hinge; 2601-a first connection; 2602-a second connecting portion; 2603-a hinged axis; 270-a seal;

30-a refractory composite panel; 310-a fire protection plate; 320-a first aluminum plate; 330-light core steel plate; 340-a second aluminum plate;

40-a fire-resistant intumescent strip;

510-a first connector; 520-a second connector; 530-a third connection; 531-fifth connecting plate; 532-a sixth connecting plate; 540-sealing glue.

Detailed Description

However, the density of the fireproof plate is high, so that the cabinet body of the electric appliance cabinet made of the fireproof plate is heavy. If the scheme of sticking the stainless steel plate on the inner side of the cabinet body of the electric appliance cabinet is adopted subsequently, the overall weight of the electric appliance cabinet is further increased; if the scheme of spraying the fireproof paint on the inner side of the cabinet body of the electric appliance cabinet is adopted subsequently, the fireproof paint can generate a large amount of harmful gas after meeting open fire, and the health of passengers is not facilitated.

In view of this, the embodiments of the present application aim to provide a carriage with lighter weight and more environmental protection on the premise of ensuring the fireproof capability of the fireproof cabinet, and a rail vehicle with the carriage.

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Example one

FIG. 1 is a schematic illustration of a vehicle cabin provided by an embodiment of the present application; FIG. 2 is a schematic diagram of a fire protection cabinet according to an embodiment of the present disclosure; shown in FIG. 3 is a cross-sectional view of a refractory composite panel provided by an embodiment of the present application; please refer to fig. 1-3.

The present embodiment provides a vehicle compartment including a vehicle body 10. The vehicle body 10 includes a first side wall 110 and a second side wall 120 adjacent to each other, wherein the vehicle body 10 has a substantially rectangular parallelepiped shape, the first side wall 110 is a side wall extending in the width direction of the vehicle body 10 in fig. 1, and the second side wall 120 is a side wall extending in the length direction of the vehicle body. An electrical cabinet (not shown) is arranged in the vehicle body 10, and is positioned at the joint of the first side wall 110 and the second side wall 120; that is, both sides of the cabinet body of the electric appliance cabinet abut against the first sidewall 110 and the second sidewall 120, respectively. Generally, an electric equipment cabinet is also formed in a substantially rectangular parallelepiped shape, and a housing chamber for housing other equipment is formed inside the electric equipment cabinet, and most of high-voltage electric equipment, control equipment, and the like in a vehicle compartment are housed in the housing chamber.

Because a large amount of electrical equipment is contained in the electrical cabinet, when a train runs, the interior of the electrical cabinet has a fire risk caused by short circuit and the like, in order to prevent the fire from spreading to other areas in the carriage, a fireproof cabinet 20 is also arranged in the train body 10, and the fireproof cabinet 20 is connected with the train body 10 and covers the outer side of the electrical cabinet; that is, the fire protection cabinet 20 and the vehicle body 10 together enclose a chamber for accommodating an electrical cabinet, which is housed within the chamber so as to be relatively isolated from the external environment.

Specifically, the upper end of the fire-proof cabinet 20 may be connected to a top plate (not shown in the figure) in the vehicle body 10, the lower end of the fire-proof cabinet 20 may be connected to a floor of the vehicle body 10, and two ends of a side surface of the fire-proof cabinet are respectively connected to the first side wall 110 and the second side wall 120, that is, in this embodiment, the fire-proof cabinet 20 only needs to shield two adjacent side walls of the electrical cabinet, and the fire-proof of other parts may be implemented by the vehicle body 10, so that the material required by the fire-proof cabinet 20 in this embodiment is much smaller than that required by the electrical cabinet in the prior art (because all six surfaces of the electrical cabinet in the prior art need to be made of fire-proof material, but the present application only needs to make two side surfaces at most); and the fireproof function of the electric appliance in the carriage can be realized on the basis of not changing the structure of the electric appliance cabinet without the fireproof function (only the fireproof cabinet 20 of the embodiment is added on the outer side of the common electric appliance cabinet), so that the upgrading and the transformation of the carriage are facilitated. The structure of the fire-proof cabinet 20 in this embodiment can be set as required, for example, two connected sidewalls can be set with reference to the vehicle body 10, or a sidewall with an arc-shaped cross section can also be set.

Further, the fire-proof cabinet 20 in this embodiment is a fire-proof composite board fire-proof cabinet, that is, the fire-proof cabinet 20 is made of a fire-proof composite board. As shown in fig. 3, the fire-resistant composite panel 30 includes a fire-resistant plate 310, a first aluminum plate 320, a light-core steel plate 330, and a second aluminum plate 340, which are stacked, wherein the fire-resistant plate 310 is disposed at a side facing away from the electric cabinet, that is, a side facing a passenger; and light core steel plate 330 occupies more than 70% of the volume of the refractory composite panel, thereby making the refractory composite panel 30 lighter in weight for the same volume than the fire shield 310 of the related art, which employs a solid structure. In addition, in the one side towards the electric appliance cabinet, second aluminum plate 340 has been laminated in this embodiment, and aluminum plate is lighter than the quality in steel sheet to can not burn when meeting fire and produce poisonous and harmful gas, environmental protection health more.

One side of second aluminum plate 340 towards the electrical cabinet can be equipped with white coating, and black seal of a government organization in old china can be left to white coating after meetting the fire to the specific position of the staff's of being convenient for seek the trouble.

It should be noted that, because the electric appliance cabinet made of refractory materials is not required, the electric appliance cabinet can be made of common metals, so that the weight of the electric appliance cabinet is greatly reduced; and the total weight of the electrical cabinet and the fireproof cabinet 30 made of the fireproof composite board is far less than that of the electrical cabinet made of the solid fireproof board.

As can be seen from the above description, in the embodiment, since the fire-proof cabinet 20 is disposed on the outer side of the electrical cabinet, and the fire-proof cabinet 20 is covered on the outer side of the electrical cabinet after being connected with the vehicle body 10, the electrical cabinet can be isolated from the outside, thereby achieving a fire-proof function; moreover, compared with the scheme in the related art, the present embodiment can also reduce the overall weight of the carriage and is more environment-friendly.

FIG. 4 is a schematic view of a fire protection cabinet according to an embodiment of the present disclosure from a first perspective; shown in FIG. 5 isbase:Sub>A cross-sectional view A-A of FIG. 4; FIG. 6 is an enlarged view of a portion A of FIG. 5; shown in FIG. 7 is a cross-sectional view B-B of FIG. 4; FIG. 8 is an enlarged view of a portion B of FIG. 7; please continue to refer to fig. 2, fig. 4-fig. 8.

In an alternative embodiment, the fire protection cabinet 20 includes a first side panel 210 and a second side panel 220, wherein a first end of the first side panel 210 is connected to the first side wall 110; a first end of the second side plate 220 is connected to a second end of the first side plate 210, and a second end of the second side plate 220 is connected to the second side wall 120; the tops of the first side plate 210 and the second side plate 220 are connected with the top plate of the vehicle body 10, and the bottoms of the first side plate 210 and the second side plate 220 are connected with the floor of the vehicle body 10, so that the first side plate 210, the second side plate 220, the top plate of the vehicle body 10, the floor of the vehicle body 10, the first side wall 110 and the second side wall 120 jointly form a closed chamber, an electric cabinet is accommodated in the chamber and isolated from the external environment, the fireproof shielding function is realized, and the fire is prevented from spreading to other areas in the compartment.

In order to better realize the fireproof function of the fireproof cabinet 20, different sealing structures are arranged at the joints between the parts.

In particular, as shown in fig. 5 and 6, the first side plate 210 is connected to the first side wall 110 by a connecting profile 230; the first end of the first side plate 210 abuts against the groove provided on the connecting profile 230, and the first end of the connecting profile 230 is connected with the first side wall 110 through a fastener; the fastener passes through the first sidewall 110 and the connecting profile 230 in sequence to fasten them. The second end of the connecting profile 230 is connected to the first side plate 210 by a fastener, the fastener is installed from the side with the electrical cabinet to the outside, and the fastener is fixed in the first side plate 210 after passing through the connecting profile 230, so that the external aesthetic property is improved. The fastener can be selected from screw, bolt and other parts.

Further, in order to improve the sealing performance of the connection, a fireproof expansion strip 40 (not shown) is filled between the first side plate 210 and the connecting profile 230, and the fireproof expansion strip 40 is preferably filled at the abutting part of the first side plate 210 and the connecting profile 230 and the connecting part of the fastener. Furthermore, it is also possible to fill the fire expansion strips 40 between the connecting profile 230 and the first side wall 110. The fireproof expansion strip 40 has a high-temperature expansion function, and can be rapidly expanded under the high-temperature heating condition to fill the gap between the connecting profile 230 and the first side plate 210, so that the functions of water resistance, smoke resistance and flame overflow prevention are realized, and sealing is realized.

With reference to fig. 2, fig. 4, fig. 7 and fig. 8, in this embodiment, an access door 240 is disposed on the first side plate 210, it should be noted that a corresponding access opening is also disposed on a side wall of the electrical cabinet, and the access door 240 corresponds to a side surface of the electrical cabinet on which the access opening is disposed, so that a worker can conveniently perform maintenance on electrical equipment in the electrical cabinet. The access door 240 comprises a door panel and a door frame 2401 sleeved outside the door panel, wherein a groove is formed in one side of the door frame 2401 facing the door panel, so that the door panel is placed in the groove.

As shown in fig. 8, a first end of the access door 240 abuts against the connecting section bar 230, a lock 2402 is disposed on one side of the access door 240 close to the connecting section bar, and when a key is inserted into the lock 2402, the lock tongue can be driven to rotate, so that the lock tongue abuts against the connecting section bar 230, and the access door 240 and the connecting section bar 230 are locked relatively; alternatively, the locking tongue is distanced from the connection profile 230 so that the access door 240 and the connection profile 230 can be relatively separated.

In order to better seal the gap between the connection profile 230 and the access door 240, the door frame 2401 and the connection profile 230 are filled with a fire-resistant expansion strip 40. Specifically, as shown in fig. 8, the fireproof expansion strip 40 is filled in the groove on the side of the connecting section bar 230 facing the access door 240; the connecting section bar 230 is arranged in a groove on the top wall matched with the access door 240 and between the top wall and the access door 240; the door frame 2401 is in a groove on the side wall of the side facing the connecting profile. The function of the fire barrier expansion strip 40 is described above and will not be described further herein.

Figure 9 shows the access door of figure 5 in an open condition; with reference to fig. 2, fig. 4 and fig. 9, in the present embodiment, the access door 240 includes a first access door 2410 and a second access door 2420, the first access door 2410 is hinged to the first side plate 210, the second access door 2420 is hinged to a side of the first access door 2410 away from the first side plate 210, and the lock 2402 is disposed on the second access door 2420.

Specifically, a first hinge 250 is arranged between the first access door 2410 and the first side plate 210, and the first hinge 250 and the first access door 2410 are equal in height, so that no gap is left between the first access door 2410 and the first side plate 210, and sealing performance is guaranteed. The first hinge 250 can drive the first access door 2410 to open towards the direction departing from the electric appliance cabinet; be equipped with second hinge 260 between second access door 2420 and the first access door 2410, second hinge 260 equals with first access door 2410's height to make and not leave the gap between first access door 2410 and the second access door 2420, in order to guarantee sealing performance, second hinge 260 can drive second access door 2420 and open towards the direction that deviates from the electrical apparatus cabinet. This embodiment makes access door 240 not occupy the inside space of fire prevention cabinet 20 through opening access door 240 to one side that is kept away from the electrical apparatus cabinet, is favorable to reducing the whole volume of fire prevention cabinet 20 for its quality is lighter.

FIG. 10 is a schematic view of a fire protection cabinet according to an embodiment of the present disclosure from a second perspective; shown in FIG. 11 is a cross-sectional view C-C of FIG. 10; please continue to refer to fig. 10 and 11.

In this embodiment, a sealing member 270 is further disposed between the first access door 2410 and the second access door 2420, and the sealing member 270 seals a gap between the first access door 2410 and the second access door 2420 in a vertical direction. The sealing member 270 is disposed toward the electric cabinet, and the fireproof expansion strip 40 is filled between the sealing member 270 and the first access door 2410 and the second access door 2420, so that the sealing performance is better guaranteed.

The second hinge 260 includes a first connecting portion 2601, a second connecting portion 2602 and a hinge shaft 2603, the first connecting portion 2601 is fixedly connected with the first access door 2410, and a first fixing groove is formed on one side of the first connecting portion 2601 departing from the first access door 2410; the second connecting part 2602 is fixedly connected with the second access door 2420, and a second fixing groove is formed in one side, away from the second access door 2420, of the second connecting part 2602; the hinge shaft 2603 sequentially passes through the first and second fixing grooves to hinge the first and

second connection portions

2601 and 2602.

In order to achieve sealing of the hinge connection, fire-proof expansion strips 40 are filled between the first and

second connection portions

2601 and 2602, between the first connection portion 2601 and the first access door 2410, and between the second connection portion 2602 and the second access door 2420.

Referring to fig. 1 and fig. 2, in the present embodiment, the second side plate 220 is connected to the second side wall 120 through a plurality of first connecting members 510, and the plurality of first connecting members 510 are arranged at equal intervals along the vertical direction, so that a sealant (not shown in the drawings) is filled between the second side plate 220 and the second side wall 120 to seal the second side plate 220 and the second side wall 120. The first connecting member 510 of the present embodiment includes a first connecting plate and a second connecting plate, the first connecting plate is fixedly connected to the second sidewall; the second connecting plate is vertically connected to one end of the first connecting plate and is fixedly connected with the second side plate; the sealant is filled at one side of the second side plate, which is away from the electric appliance cabinet.

Referring to fig. 1 and fig. 2, in the present embodiment, the top of the first side plate 210 and the top of the second side plate 220 are both connected to the top plate of the vehicle body 10 through the second connecting member 520; for sealing, a sealant (not shown) is filled between the top of the first side plate 210 and the top plate of the vehicle body 10 and between the top of the second side plate 220 and the top plate of the vehicle body 10. The second connecting piece comprises a third connecting plate and a fourth connecting plate, and the third connecting plate is fixedly connected with a top plate of the vehicle body; the fourth connecting plate is vertically connected to one end of the third connecting plate, and the fourth connecting plate is fixedly connected with the top of the first side plate or the top of the second side plate; the sealant is filled at one side of the first side plate and the second side plate, which is away from the electric appliance cabinet.

FIG. 12 is a schematic view of the connection between the fire chest and the floor of the compartment of the subject application; please refer to fig. 12. The bottom of the first side plate 210 and the bottom of the second side plate 220 are connected to the floor of the vehicle body through a third connecting member 530, and the connecting structure is identical. In the following description, taking the connection structure between the second side plate 220 and the floor of the vehicle body 10 as an example, as shown in fig. 12, the third connecting member 530 is disposed on a side facing the electric cabinet, the third connecting member 530 includes a fifth connecting plate 531 and a sixth connecting plate 532, and the fifth connecting plate 531 is fixedly connected to the floor of the vehicle body 10; the sixth connecting plate 532 is vertically connected to one end of the fifth connecting plate 531, and the sixth connecting plate 532 is fixedly connected to the bottom of the second side plate 220; the sealant 540 is filled on the side of the second side plate 220 facing away from the electrical cabinet, thereby achieving sealing.

According to the description, due to the fact that the corresponding sealing structures are arranged among the parts, the environment in the electric appliance cabinet can be better separated from other areas in a carriage, and therefore a good fireproof sealing function is achieved.

Example two

The present embodiment provides a railway vehicle, which includes a plurality of end-to-end cars, and at least one of the cars adopts the car as described in the first embodiment.

The railway vehicle of the embodiment adopts the carriage of the first embodiment, so that the electric cabinet can be isolated from the outside by connecting the fireproof cabinet arranged at the outer side of the electric cabinet with the vehicle body, and the fireproof function of the electric cabinet is realized; moreover, compared with the scheme in the related art, the present embodiment can also reduce the overall weight of the carriage and is more environment-friendly.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A vehicle compartment, comprising:

a body comprising adjacent first and second sidewalls;

the fireproof cabinet is connected with the vehicle body and covers the outer side of the electric appliance cabinet, the fireproof cabinet is a fireproof cabinet of a fireproof composite board, the fireproof composite board comprises a fireproof plate, a first aluminum plate, a light core steel plate and a second aluminum plate which are arranged in a stacked mode, the fireproof plate is arranged on one side away from the electric appliance cabinet, and the light core steel plate accounts for more than 70% of the volume of the fireproof composite board;

one side of the second aluminum plate, which faces the electric appliance cabinet, is provided with a white coating;

wherein, fire prevention cabinet includes:

a first side plate, a first end of the first side plate being connected to the first side wall;

a first end of the second side plate is connected with a second end of the first side plate, and a second end of the second side plate is connected with the second side wall;

the tops of the first side plate and the second side plate are both connected with a top plate of the vehicle body, and the bottoms of the first side plate and the second side plate are both connected with a floor of the vehicle body;

be equipped with the access door on the first curb plate, the access door includes:

a first access door hinged to the first side plate,

the second access door is hinged with one side, away from the first side plate, of the first access door;

a sealing element is further arranged between the first access door and the second access door, the sealing element faces the electric appliance cabinet, and the sealing element is used for sealing a gap between the first access door and the second access door; and a fireproof expansion strip is filled between the sealing element and the first access door and the second access door.

2. The vehicle compartment according to claim 1, wherein the first side plate is connected with the first side wall by a connecting profile, and a fireproof expansion strip is filled between the first side plate and the connecting profile.

3. A carriage in accordance with claim 2, characterized in that a first end of the connecting profile is connected with the first side wall by means of a fastener, and a second end of the connecting profile is connected with the first side plate by means of the fastener.

4. The carriage as claimed in claim 2, wherein the first end of the access door abuts against the connecting profile, the access door comprises a door panel and a door frame sleeved on the outer side of the door panel, and the fireproof expansion strip is filled between the door frame and the connecting profile.

5. The carriage as claimed in claim 4, wherein a lock is arranged on one side of the access door close to the connecting section bar, and a lock tongue of the lock can abut against the connecting section bar.

6. The carriage as claimed in claim 5, wherein a first hinge is arranged between the first access door and the first side plate, and the first hinge can drive the first access door to open towards a direction away from the electric appliance cabinet;

the second access door with be equipped with the second hinge between the first access door, the second hinge can drive the second access door orientation deviates from the direction of electrical apparatus cabinet is opened.

7. A carriage as claimed in claim 6, characterized in that said second hinge comprises:

the first connecting part is fixedly connected with the first access door, and a first fixing groove is formed in one side, away from the first access door, of the first connecting part;

the second connecting part is fixedly connected with the second access door, and a second fixing groove is formed in one side, away from the second access door, of the second connecting part;

a hinge shaft sequentially passing through the first and second fixing grooves to hinge the first and second connection parts;

the fireproof expansion strips are filled between the first connecting portion and the second connecting portion, between the first connecting portion and the first access door and between the second connecting portion and the second access door.

8. The compartment of claim 1, wherein the second side panel is connected to the second side wall by a first connector, and a sealant is filled between the second side panel and the second side wall.

9. The car of claim 8, wherein the first coupler comprises:

the first connecting plate is fixedly connected with the second side wall;

the second connecting plate is vertically connected to one end of the first connecting plate, and the second connecting plate is fixedly connected with the second side plate;

the sealant is filled at one side of the second side plate, which is away from the electric appliance cabinet.

10. The compartment of claim 1, wherein the top of the first side panel and the top of the second side panel are each connected to the roof of the vehicle body by a second connection; and sealant is filled between the top of the first side plate and the top plate of the vehicle body and between the top of the second side plate and the top plate of the vehicle body.

11. The car of claim 10, wherein the second connection comprises:

the third connecting plate is fixedly connected with a top plate of the vehicle body;

the fourth connecting plate is vertically connected to one end of the third connecting plate, and the fourth connecting plate is fixedly connected with the top of the first side plate or the top of the second side plate;

the sealant is filled at one side of the first side plate and the second side plate, which is away from the electric appliance cabinet.

12. The compartment of claim 1, wherein the bottom of the first side panel and the bottom of the second side panel are each connected to the floor of the vehicle body by a third connection; and sealing glue is filled between the bottom of the first side plate and the floor of the vehicle body and between the bottom of the second side plate and the floor of the vehicle body.

13. A carriage as claimed in claim 12, characterized in that the third connection is provided on a side facing the electric cabinet, the third connection comprising:

the fifth connecting plate is fixedly connected with the floor of the vehicle body;

the sixth connecting plate is vertically connected to one end of the fifth connecting plate, and the sixth connecting plate is fixedly connected with the bottom of the first side plate or the bottom of the second side plate;

14. A rail vehicle comprising a plurality of end-to-end cars, at least one of said cars employing a car according to any one of claims 1 to 13.