CN111547090A

CN111547090A - Electric heater

Info

Publication number: CN111547090A
Application number: CN202010413310.1A
Authority: CN
Inventors: 李润娇; 田博; 孙乐乐; 武伯有; 王东厚; 唐波; 陈雨; 刘铮
Original assignee: Beijing Subway Rolling Stock Equipment Co ltd
Current assignee: Beijing Subway Rolling Stock Equipment Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-08-18

Abstract

The invention discloses an electric heater, which is used for heating in a passenger compartment of a vehicle and mainly comprises: the heating device is arranged in a central area inside the shell, and the shell is arranged below a passenger room seat and is connected with a passenger room floor; according to the invention, the heating device is hung in the central area of the shell, so that the distance between the heating unit and the bottom surface of the seat is increased, the overheating condition of the seat surface is reduced, and meanwhile, enough space is reserved at the upper part and the lower part of the heating device for hot air convection and personnel maintenance.

Description

Electric heater

Technical Field

The invention relates to the field of electric heating devices, in particular to an electric heater for a passenger room seat.

Background

At present, domestic electric heaters of guest rooms are mostly arranged below seats of the guest rooms and are connected with seat frameworks or side walls. The electric heater arranged on the seat framework is close to the seat surface, so that the replacement and maintenance of the seat surface are not facilitated, and the seat surface is overheated due to the long-time operation of the electric heater; install in the electric heater of side wall and be unfavorable for the diffusion of hot-air, the electric heater can lead to seat face one side or local overheat, consequently by temperature control unit power limitation, can't satisfy whole car heating load demand.

Chinese patent CN104554311A discloses an electric heating device for a rail vehicle and a rail vehicle, which comprises a housing, wherein an electric heating element is installed inside the housing, the housing is hung below a seat, a heat insulation layer is arranged on the inner wall of a top plate of the housing, and ventilation openings are arranged on four side plates and a bottom plate of the housing.

Chinese patent CN203974826U discloses an electric heater mounting structure of passenger room of urban railway vehicle, which is characterized in that: the appearance of aluminium system electric heater bottom plate and seat skeleton lower part keep unanimous and the top is opened and is fixed between two mounting holes and the seat skeleton to install the adjustment pad additional and adjust the installation clearance, the lower extreme of aluminium system electric heater bottom plate and stainless steel electric heater cover plate all is connected with the electric heater mount pad, and the electric heater mount pad is fixed on the floor, and the electric heater is alleviated valve and fire extinguisher department at the braking and is only set up the electric heater shell, and alleviate valve box department square hole at the braking.

Above-mentioned technical scheme is the problem of solving the electric heat unit and being close to a certain side, can have the overheated or not smooth problem of heat dissipation of seat all the time, and the electric heater need be dismantled in seat face installation maintenance, and spatial distribution also does not benefit to personnel's operation. Therefore, an electric heater for a passenger room is needed, which can solve the heat dissipation problem of an electric heating unit and can improve the maintenance and replacement efficiency of personnel.

Disclosure of Invention

In view of the above, the present invention provides an electric heater capable of solving the problems of the electric heater for a passenger compartment seat.

For this purpose, the present invention is implemented by the following technical means.

An electric heater comprising: a housing, a heating device;

its characterized in that, the shell appearance is the terrace with edge form, includes: the front side surface, the left side surface and the right side surface of the base are enclosed by three side plates, and the side plates are arranged on the base; the shell is arranged below a passenger room seat and is connected with the floor of the passenger room through the base; a side plate of the shell close to the front end is provided with a square opening and is provided with a movable baffle;

the heating device is arranged inside the shell and is close to the central area; the upper and lower regions of the heating device are left empty; the heating device is an electric heating device.

Further, the heating device includes: an electric heating tube and a transverse plate; the electric heating pipe is hung on the lower surface of the transverse plate, the transverse plate is rectangular, and two short sides of the transverse plate are fixedly connected with the side plates.

Further, the cross plate is installed with an inclination angle in a longitudinal direction.

Furthermore, the transverse plate structure is formed by filling the interlayer with one of heat insulation materials, integral heat insulation materials or covering the metal structure with a heat insulation coating.

Furthermore, a plurality of heat dissipation holes are distributed on the surfaces of the side plate and the movable baffle.

Furthermore, the movable baffle is of a turnover structure, the bottom of the movable baffle is hinged to the side plate, and the upper part of the movable baffle is provided with a rotating tongue lock.

Furthermore, the cam lock is a square cam lock.

Furthermore, the base is a reinforced partition frame, and the outer edge of the base is of an upward-turned folded edge structure; the bottom surface edge of the base is fixedly connected with a floor of a passenger room through a fastener, and the edge folding structure of the base is connected with the side plate through the fastener.

Further, the distances from the upper end surfaces of the side plates to the lower surface of the passenger room seat are equal.

The invention has the following advantages:

1. according to the technical scheme, the shell is arranged below the seat, and the electric heating unit is arranged in the central area of the shell, so that the electric heating unit is spaced from each side face properly, heat concentration is reduced, the influence on the experience of passengers is avoided, and the phenomenon that the temperature control limitation heating power is insufficient due to unsmooth heat dissipation and the room temperature is influenced is also reduced.

2. According to the technical scheme, the shell is arranged on the floor of the passenger room, so that the heating unit is prevented from being arranged on a seat framework or a side wall, an operation space is reserved in the upper region and the lower region of the internal heating device, the convenience of maintenance is guaranteed, and the electric heater is prevented from being dismounted during normal maintenance and replacement of the seat; furthermore, the base and the side plates can be disassembled, so that the electric heater main body can be independently replaced during maintenance without disassembling the base.

Furthermore, the movable baffle plate can be combined with a square rotating tongue lock, so that a vehicle square key which is self-held by a crew member can conveniently open the baffle plate, the maintenance and the inspection are convenient, and the carrying quantity of the crew member keys can be reduced; meanwhile, the heating unit is hoisted and installed in combination with the inclination angle, so that the overhauling visual range of the heating assembly is increased, and the ascending hot air flow is dispersed through the transverse plate to uniformly heat the lower surface of the seat.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a view from A to the base (laterally displaced);

FIG. 3 is a partial view of the heating device in the direction B;

FIG. 4 is a view of the heating device in the direction C (lateral placement);

fig. 5 is a partially enlarged sectional view of the base fixing portion.

In the figure:

1-a housing; 2-a heating device; 3-a seat; 4-passenger room floor; 101-a base; 102-a flapper; 103-cam lock; 201-electric heating tube; 202-cross board.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and the front-rear direction referred to is right-left in fig. 1 and also represents a longitudinal direction. Such terms and definitions are provided merely to facilitate describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must be constructed and operated in a particular orientation and therefore should not be considered limiting of the invention.

It should also be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The invention will be further described with reference to the accompanying figures 1-5.

An electric heater comprising: a housing 1, a heating device 2;

as shown in fig. 1, the housing 1 is shaped like a frustum of a pyramid, and includes: the side plates and the base 101, wherein the front side surface, the left side surface and the right side surface of the base are defined by three side plates, the rear side surface can be selected not to be provided with the side plates, the integral structure is in a U shape when overlooking, and the side plates are arranged on the base 101; the shell 1 is arranged below a passenger room seat and is connected with a passenger room floor through a base 101; a side plate near the front end of the shell 1 is provided with a square opening and is provided with a movable baffle plate 102; preferably, as shown in fig. 2 and 5, the base 101 is a reinforced partition frame, the side edges of the base are provided with folded edges which are turned upwards and fixed with the side plates through bolts to play a role of fixing and supporting, and the corner positions are fixedly connected with the floor of the passenger room through bolts.

Preferably, as shown in fig. 1, the distances from the upper end surfaces of the three side plates of the shell 1 to the lower surface of the passenger room seat are equal, and the formed imaginary plane is parallel to the lower surface of the passenger room seat, so that the seat is heated more uniformly, and the low temperature at the front end and the high temperature at the rear end of the seat caused by the empty space at the front end are avoided.

The heating device 2 is arranged inside the shell 1 and close to the central area; the upper and lower regions of the heating device 2 are provided with manual operation spaces; the heating means 2 takes the form of electric heating.

As shown in fig. 1, 3 and 4, the heating device 2 is preferably designed to mainly include: an electric heating pipe 201 and a transverse plate 202; the electric heating pipe 201 comprises two double U-shaped pipes which are overlapped and hung on the lower surface of a transverse plate 202, the transverse plate 202 is rectangular, and two short sides are fixedly connected with a left side plate and a right side plate; the horizontal plate 202 is provided with an inclination angle along the longitudinal direction, so that the front overhauling visual range of the heating assembly is increased, and the ascending hot air flow is dispersed through the horizontal plate 202 to uniformly heat the lower surface of the seat; the concrete structure of the transverse plate 202 is a sandwich structure, wherein heat insulation materials are filled in the sandwich structure, and can be selected from alumina silicate fibers or ceramic fibers; referring to fig. 3 and 4, the electric control component of the heating unit can be mounted on the upper surface (not shown) of the transverse plate 202 to prevent the hot air from directly contacting with the heating unit, and a through hole is formed at the front end of the transverse plate 202 and penetrates through the heat-resistant insulated wire to connect the electric heating tube 201.

Preferably, as shown in fig. 1, the surface of the side plate is provided with a plurality of heat dissipation holes for increasing air convection, and the plurality of heat dissipation holes are distributed on the surface in a grid shape to prevent sundries or valuables of passengers from falling into the heat dissipation holes, and in order to further increase the air convection effect, the plurality of heat dissipation holes are also distributed on the surface of the movable baffle 102.

The preferable design is that a square opening is formed in a side plate, close to the front end, of the shell 1, the movable baffle plate 102 is installed, the movable baffle plate 102 is of a turnover structure, the bottom of the movable baffle plate is hinged to the side plate, the rotating tongue lock 103 is installed on the upper portion of the movable baffle plate, the square rotating tongue lock is matched with the square key specifically, the square lock is used for multiple purposes due to the fact that the lock of the railway vehicle/passenger car is provided with the square key, therefore, passengers mostly carry the square key, the number of keys carried by the passengers can be reduced due to the fact that.

Although the present invention has been described in detail with reference to examples, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An electric heater comprising: a shell (1) and a heating device (2);

it is characterized in that, shell (1) appearance is the terrace with edge form, includes: the side plate and the base (101) are enclosed by three side plates, and the front side surface, the left side surface and the right side surface of the base (101) are arranged on the base; the shell (1) is arranged below a passenger room seat and is connected with a passenger room floor through the base (101); a side plate close to the front end of the shell (1) is provided with a square opening and is provided with a movable baffle (102);

the heating device (2) is arranged inside the shell (1) and is close to the central area; the upper and lower regions of the heating device (2) are left empty; the heating device (2) is an electric heating device.

2. The electric heating appliance according to claim 1, wherein the heating means (2) comprises: an electric heating pipe (201) and a transverse plate (202); the electric heating pipe (201) is hung on the lower surface of the transverse plate (202), the transverse plate (202) is rectangular, and two short sides of the electric heating pipe are respectively fixedly connected with the side plates on the left side and the right side of the shell (1).

3. The electric heater as set forth in claim 2, wherein the cross plate (202) is installed with an inclination in a longitudinal direction.

4. The electric heater as set forth in claim 2, wherein the cross plate (202) is constructed by one of an interlayer filled insulation material, a bulk insulation material, or a metallic structure overcoated with an insulation coating.

5. The electric heater as set forth in claim 1, wherein a plurality of heat dissipation holes are distributed on the surfaces of the side plates and the movable baffle (102).

6. The electric heater as set forth in claim 1, wherein the flapper (102) is of a flip structure, a bottom portion is hinged to the side plate, and a top portion is mounted with a latch (103).

7. The electric heater as set forth in claim 6, wherein the cam lock (103) is a four-way cam lock.

8. The electric heater as set forth in claim 1, wherein the base (101) is a reinforcing former having an outer edge of an upwardly turned flange structure; the bottom surface edge of the base (101) is fixedly connected with a floor of a passenger room through a fastener, and the edge folding structure of the base (101) is connected with the side plate through the fastener.

9. The electric heater as set forth in claim 1, wherein the upper end surfaces of the side plates are equally spaced from the lower surface of the passenger compartment seat.