CN216969657U

CN216969657U - Double-deck rail vehicle heating system and double-deck rail vehicle

Info

Publication number: CN216969657U
Application number: CN202220407739.4U
Authority: CN
Inventors: 王国锋; 肖云华; 刘厚林; 杨国纪; 郭海洋
Original assignee: CRRC Zhuzhou Locomotive Co Ltd
Current assignee: CRRC Zhuzhou Locomotive Co Ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-07-15
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a heating system of a double-layer rail vehicle and the double-layer rail vehicle, wherein the heating system comprises an air conditioning unit, an air duct and a distribution box for communicating the air conditioning unit with the air duct, the air conditioning unit and the distribution box are positioned at the end part of a carriage, the heating system also comprises a heating floor, and the heating floor is arranged between the end part of the carriage and two side walls of a passenger room; an electric heating component is arranged in the heating floor, the electric heating component is powered by an auxiliary power supply of the vehicle, and the working state is controlled by a passenger room air conditioning system according to the temperature of the passenger room; the double-deck rail vehicle includes the heating system. The utility model can solve the problem of uneven temperature of the middle area between the two side walls of the carriage and ensure the temperature uniformity of each part of the carriage.

Description

Double-deck rail vehicle heating system and double-deck rail vehicle

Technical Field

The utility model belongs to the technical field of railway vehicles, and particularly relates to a heating system of a bilateral railway vehicle and a double-layer railway vehicle.

Background

The existing double-layer rail transit vehicle generally adopts an air conditioning system for heating, the air conditioning system mainly comprises an air conditioning unit and air ducts, the air conditioning unit is arranged at the top of a carriage, the air ducts are arranged at the upper parts of passenger rooms, and the problem that the temperature in the passenger rooms is uneven is easily caused when the heating working condition is carried out. Particularly, the double-layer rail transit vehicle for the alpine region has the advantages of limited compartment space, limited power of heating equipment in an air conditioning unit, limited air duct size and more obvious temperature nonuniformity in a passenger room. The uneven temperature in the passenger room can be relieved by increasing the air supply speed of the air conditioning system, but the comfort level of passengers can be reduced by the generated noise.

In order to make the temperature more even about the carriage, chinese utility model patent CN206155458U discloses a double-deck rail vehicle air conditioning system, and it includes air conditioning unit, wind channel and connects the distributor box between air conditioning unit and wind channel, air conditioning unit and distributor box are located the carriage tip, the wind channel is including arranging the upper warm braw way and the lower floor warm braw way on the two side walls of lower floor's guest room of upper strata both sides wall, upper warm braw way and lower floor warm braw way are arranged in the lower part region that corresponds two side walls of guest room, utilize hot-air to go upward to guarantee the temperature homogeneity in the carriage, but this kind of technical scheme who utilizes hot-air to go upward the principle still can't solve the inhomogeneous problem of middle part region temperature between the two side walls of carriage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heating system of a double-layer rail vehicle and the double-layer rail vehicle, and aims to solve the technical problem that the temperature of the middle area between two side walls of a carriage is not uniform under the heating condition.

In order to realize the purpose, the utility model adopts the following specific technical scheme:

a heating system of a double-layer rail vehicle comprises an air conditioning unit, an air duct and a distribution box communicated with the air conditioning unit and the air duct, wherein the air conditioning unit and the distribution box are positioned at the end part of a carriage; and an electric heating component is arranged in the heating floor and is powered by an auxiliary power supply of the vehicle.

Therefore, according to the technical scheme, the heating floors are arranged at the end part of the carriage and the upper and lower passenger rooms, and the electric heating element inside the heating floor is connected with the auxiliary power supply of the vehicle to be electrified and heated. The heating floor gives off heat to the air, and the uniformity of the temperature of the middle area between the two side walls of the carriage is ensured by combining the upward principle of the hot air. Simultaneously, this kind of technical scheme only need with ordinary floor replacement for the heating floor that relates to in this technical scheme can, can not occupy installation space in the carriage, also can not obviously increase carriage weight yet.

Further, the air ducts comprise a first upper air duct, a first lower air duct, a second upper air duct, a second lower air duct and a third air duct positioned at the end part of the carriage; the first upper air duct is positioned at the top of the carriage, the first lower air duct is positioned in the lower areas of the two side walls of the upper passenger room, the second upper air duct is positioned in the upper areas of the two side walls of the lower passenger room, and the second lower air duct is positioned in the lower areas of the two side walls of the lower passenger room. An upper air duct and a lower air duct are arranged in each passenger room, heat is supplied to the passenger rooms from the upper direction and the lower direction, and temperature nonuniformity in the carriage is further avoided.

Furthermore, the first upper air duct is a cavity formed by enclosing a carriage top cover, a carriage middle top plate and sealing plates positioned at two ends, and the carriage middle top plate is of a pore plate structure. The improved structure makes full use of the installation space of the carriage.

Further, the lower surface of carriage top cap is equipped with the heat preservation cotton, has avoided the heat to dissipate from the carriage top, reduces energy loss.

Further, the distribution box comprises an air return inlet and a plurality of air supply outlets, and each air supply outlet is respectively connected with the first upper air duct, the first lower air duct, the second upper air duct, the second lower air duct and the third air duct; each air supply outlet is provided with an air valve for adjusting the size of the air supply outlet. The air return port and the air supply ports are arranged to be matched, so that effective circulation of air flow in the carriage is achieved, the air quantity in each air channel is controlled by adjusting the size of each air supply port through the air valve, and the temperature in the carriage is effectively controlled.

Furthermore, a plurality of air outlet holes are formed in the first lower air duct, the second upper air duct and the second lower air duct, and the areas of the air outlet holes close to the two ends of the first lower air duct, the second upper air duct and the second lower air duct are larger than the areas of the air outlet holes close to the middle position. Because of the return air inlet is arranged at the end part of the carriage, the airflow flowing speed at the end part of the carriage is higher, and therefore the area of the air outlet holes close to the two ends of the air channel is larger so as to provide more air quantity, and the uniformity of the temperature in the carriage is ensured.

Furthermore, a guide plate for distributing the air quantity entering the upper passenger room and the lower passenger room is arranged in the distribution box, and the guide plate is of an arc-shaped pore plate structure. The guide plate with the arc-shaped pore plate structure can effectively control vortex noise while distributing the air volume entering the upper passenger room and the lower passenger room.

Furthermore, the leeward side of guide plate is equipped with inhales the sound cotton, helps reducing the noise.

Based on the same invention concept, the utility model also discloses a double-layer rail vehicle which comprises the heating system of the double-layer rail vehicle. The temperature uniformity of each part of the carriage is ensured under the conditions of not occupying the installation space and not obviously increasing the weight of the whole vehicle.

The utility model has the following advantages:

1. the utility model discloses a heating system does not occupy installation space, can not obviously increase carriage weight, only needs to change the ordinary floor of carriage tip and guest room for heating floor. The heating of the heating floor is utilized to cause the hot air to go upwards, and the uniformity of the temperature in the carriage is realized.

2. The utility model discloses a set up circular-arc guide plate, set up the blast gate in the wind channel in the distributor box, help guaranteeing temperature uniformity in the carriage on the one hand, on the other hand noise reduction provides comfortable environment by bus for the passenger.

Drawings

Fig. 1 is a schematic structural view of a heating system for a double-deck railway vehicle according to the present embodiment;

FIG. 2 is a schematic view of the airway structure of FIG. 1;

the notation in the figure is: 1. an air conditioning unit; 2. an air duct; 21. a first upper duct; 22. a first lower air duct; 23. a second upper air duct; 24. a second lower air duct; 25. a third air duct; 3. a distribution box; 31. an air supply outlet; 32. an air return opening; 4. heating the floor; 5. an air outlet; 6. a door zone duct; 7. a cab air duct; 8. an air supply duct.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, a heating system for a double-deck rail vehicle and a double-deck rail vehicle according to the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the double-deck rail vehicle heating system of this embodiment includes air conditioning unit 1, wind channel 2, the distributor box 3 and heating floor 4 etc. that communicate air conditioning unit 1 and wind channel 2, air conditioning unit 1 and distributor box 3 are located the top at carriage both ends, heating floor 4 sets up between carriage tip and the left and right sides wall of upper and lower layer guest room, the inside electric heating components and parts that set up of heating floor 4 are supplied power by vehicle auxiliary power source, and electric heating components and parts heats after the circular telegram. This embodiment has utilized heating floor 4 to outwards give off heat and make its near hot-air that forms, and the hot-air goes upward to improve the regional temperature in middle part between carriage and the both sides side wall of passenger room, thereby the temperature of balanced carriage each position guarantees carriage temperature homogeneity. The heating floor 4 replaces a common floor, does not occupy installation space and does not significantly increase the weight of the carriage. It should be noted that the electric heating components in the heating floor 4 may be in various forms such as a heating film, a heating wire, and the like. In order to facilitate the control of the temperature rise rate of the electric heating element and the highest surface temperature of the heating floor 4, a temperature control system and a protection system which are electrically connected with the electric heating element are arranged.

As shown in fig. 2, the air ducts 2 include a first upper air duct 21 located at the top of the vehicle compartment, a first lower air duct 22 located at the lower area of the two side walls of the upper passenger compartment, a second upper air duct 23 located at the upper area of the two side walls of the lower passenger compartment, a second lower air duct 24 located at the lower area of the two side walls of the lower passenger compartment, and a third air duct 25 located at the end of the vehicle compartment. The first upper air duct 21 and the first lower air duct 22 supply air to an upper passenger room, the second upper air duct 23 and the second lower air duct 24 supply air to a lower passenger room, and the third air duct 25 supplies air to a compartment passageway, supplies heat to the compartment and the passenger room from multiple directions, and is beneficial to ensuring the temperature uniformity in the compartment and the passenger room. The first upper air duct 21 is the combined air duct 2, a top cover of a carriage of the railway vehicle is used as a top plate of the first upper air duct 21, a middle top plate arranged in the railway vehicle is used as a bottom plate of the first upper air duct 21, and two ends of the first upper air duct 21 in the vehicle length direction are sealed by sealing plates, so that a cavity is formed to serve as the first upper air duct 21, and the installation space of the carriage is fully utilized. The middle top plate is of a pore plate structure, so that on one hand, the uniformity of air supply for the upper passenger room can be ensured, and on the other hand, the attractiveness of the interior design can be considered. The first lower air duct 22, the second upper air duct 23 and the second lower air duct 24 are provided with a plurality of air outlet holes 5. The high-performance heat preservation cotton is attached to the lower surface of the carriage top cover, so that thermal transition loss is avoided. Preferably, a plurality of longitudinal reinforcing ribs can be arranged in the first upper air duct 21 to enhance the structural strength of the first upper air duct 21, and holes, such as waist-shaped holes, are formed in the reinforcing ribs to ensure the mutual circulation of air in the first upper air duct 21.

As shown in fig. 2, the distribution box 3 of the present embodiment includes a supply air area provided on the left and right sides and communicating with the corresponding ducts 2, respectively, and a return air area disposed in the middle. Each air supply area is provided with a plurality of air supply outlets 31 which are respectively communicated with the first upper air duct 21, the first lower air duct 22, the second upper air duct 23, the second lower air duct 24 and the third air duct 25, and the air return area is provided with an air return opening 32, so that air flow in the carriage can effectively circulate. Each of the air supply outlets 31 is communicated with the first upper air duct 21, the first lower air duct 22, the second upper air duct 23, the second lower air duct 24 and the third air duct 25 through an air supply duct 8. An air valve for adjusting the size of the air supply opening 31 is arranged at each air supply opening 31 to control the air quantity in the first upper air duct 21, the first lower air duct 22, the second upper air duct 23, the second lower air duct 24 and the third air duct 25, thereby achieving the purpose of effectively controlling the temperature in the carriage. Because the air return openings 32 are arranged at the two ends of the carriage, the areas of the air outlet holes 5 close to the two ends of the first lower air duct 22, the second upper air duct 23 and the second lower air duct 24 are larger than the area of the air outlet hole 5 close to the middle position, and the phenomenon that the temperature uniformity in the carriage is damaged due to the fact that the airflow near the air return openings 32 is high in flowing speed is avoided.

And a guide plate is also arranged in the air supply area of the distribution box 3 and used for distributing the air volume entering the upper passenger room and the lower passenger room. The guide plate is circular-arc orifice plate structure, and the circular arc structure can effectively control the production of vortex noise. The leeward side of the guide plate is provided with sound-absorbing cotton for reducing noise and improving riding comfort of passengers.

As shown in fig. 1 and 2, the present embodiment may also be provided with a door zone duct 6 for blowing air near the door zone of the car, and an air conditioning unit 1 and a cab duct 7 for heating the cab.

The embodiment also provides a double-layer rail vehicle, which comprises the heating system, does not occupy the installation space, does not obviously increase the weight of the whole vehicle, and can ensure the temperature uniformity of all parts of the rail vehicle.

It is to be understood that the present invention has been described with reference to exemplary embodiments, and that various changes or equivalent substitutions for features and embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a double-deck rail vehicle heating system, includes air conditioning unit (1), wind channel (2) and distribution box (3) that communicate air conditioning unit (1) and wind channel (2), air conditioning unit (1) and distribution box (3) are located carriage tip, its characterized in that: the heating floor (4) is arranged between the end part of the carriage and two side walls of the passenger room; and an electric heating component is arranged in the heating floor (4), and is powered by an auxiliary power supply of the vehicle.

2. The double-deck rail vehicle heating system according to claim 1, characterized in that: the air duct (2) comprises a first upper air duct (21), a first lower air duct (22), a second upper air duct (23), a second lower air duct (24) and a third air duct (25) positioned at the end part of the carriage; the first upper air duct (21) is located at the top of the carriage, the first lower air duct (22) is located in the lower regions of the two side walls of the upper passenger room, the second upper air duct (23) is located in the upper regions of the two side walls of the lower passenger room, and the second lower air duct (24) is located in the lower regions of the two side walls of the lower passenger room.

3. The double-deck rail vehicle heating system according to claim 2, characterized in that: the first upper air duct (21) is a cavity formed by enclosing a carriage top cover, a carriage middle top plate and sealing plates positioned at two ends, and the carriage middle top plate is of a pore plate structure.

4. The double-deck rail vehicle heating system according to claim 3, characterized in that: the lower surface of carriage top cap is equipped with the heat preservation cotton.

5. The double-deck rail vehicle heating system according to claim 2, characterized in that: the distribution box (3) comprises an air return inlet (32) and a plurality of air supply outlets (31), and each air supply outlet (31) is communicated with the first upper air duct (21), the first lower air duct (22), the second upper air duct (23), the second lower air duct (24) and the third air duct (25) respectively; an air valve is arranged at each air supply opening (31) and used for adjusting the size of the air supply opening (31).

6. The double-deck rail vehicle heating system according to claim 5, characterized in that: the air outlet structure is characterized in that a plurality of air outlet holes (5) are formed in the first lower air duct (22), the second upper air duct (23) and the second lower air duct (24), and the areas of the air outlet holes (5) close to the two ends of the first lower air duct (22), the second upper air duct (23) and the second lower air duct (24) are larger than the area of the air outlet hole (5) close to the middle position.

7. The double-deck rail vehicle heating system according to claim 5, characterized in that: and a guide plate for distributing the air quantity entering the upper passenger room and the lower passenger room is arranged in the distribution box (3), and the guide plate is of an arc-shaped pore plate structure.

8. The double-deck rail vehicle heating system according to claim 7, characterized in that: the leeward side of the guide plate is provided with sound-absorbing cotton.

9. A double-deck rail vehicle characterized by: a double-deck rail vehicle heating system comprising any one of claims 1-8.