CN103148582A - Air heater for passenger train - Google Patents
Air heater for passenger train Download PDFInfo
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- CN103148582A CN103148582A CN2013100763465A CN201310076346A CN103148582A CN 103148582 A CN103148582 A CN 103148582A CN 2013100763465 A CN2013100763465 A CN 2013100763465A CN 201310076346 A CN201310076346 A CN 201310076346A CN 103148582 A CN103148582 A CN 103148582A
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Abstract
The invention discloses an air heater for a passenger train, which comprises electrode pile heads, electrode holders, a limiting plate, a housing, supports, ribbed plates, conduits and electric heating elements, wherein the supports are paired and arranged at equal intervals on inner layer plates of the housing along two long frames; through holes are uniformly formed in plate surfaces of the ribbed plates for mounting the conduits; the two ends of the ribbed plates are connected with the supports; the conduits are tubular insulators and are clamped on the ribbed plates; inner holes are formed for allowing the electric heating elements to pass through; screw thread sections of the electrode pile heads face outward; the other ends of the electrode pile heads face inward, and are connected with the electric heating elements; the electric heating elements are flexible members, and bent into U shapes when being mounted; the electrode pile heads connected with open ends of the electric heating elements penetrate out of the insulated electrode holders; 1-6 electric heating elements that are mounted side by side are arranged at each layer; and total 3-9 layers are arranged front and rear in the housing. After the air heater is powered on, the electric heating elements rapidly conduct heating and convert electric energy to heat. As surface areas of the electric heating elements are large, the heat exchange is rapid, and the electric heating elements keep lower temperature, the heater can create a warm and safe environment for the passenger train under no high temperature fire conditions.
Description
Technical field
The present invention relates to a kind of electric heater, specifically, the present invention relates to a kind of for the air heater in passenger train carriage.
Background technology
Passenger train is the mobile place that the crowd is dense, and when moving cold season, for the environment temperature that has suitable passenger to have a rest in the compartment, equipped electric heater improves environment temperature usually.Although the air heater brand difference that existing passenger train is supporting, all adopt electric heating tube as heater element, wherein patent publication No.: CN200710024837X " electric heater " is the most representative, the electric heating tube that states clearly in this technical scheme is smooth wall pipe, light wall electric heating tube is simple in structure, easy manufacturing, steady quality.After the electric heating tube energising of this kind structure, the electric furnace heating wire that is on the axis is directly heat with electric energy conversion, and the heat that produces reaches magnesia by the thermal radiation form, then through the external thermal radiation of outer tube wall.This mode of heating is safe and reliable, the thermal efficiency is high, can satisfy the requirement of air heat in passenger train carriage.But the electric furnace heating wire of prior art is positioned among electric heating tube, and the energising initial stage is warm-up phase, heats up slower, and externally the thermal radiation amount is few and lag behind.After the integral body heating, only tube outer wall heat radiation, because surface area is little, radiating effect is poor, has larger thermal inertia.The electric heating tube outside wall temperature is too high is one of big factors of initiation fire, consists of the hidden danger of passenger train and passenger safety.
Patent publication No.: CN03219602.4 " cold-press nest-plate heat dissipation type electric heater " is also one of typical technology scheme of prior art, this technical scheme is further to increase the heat exchange efficiency of electric heating tube, outer tube wall equal intervals string cover fin at electric heating tube, this improves structure can reduce approximately 20% temperature of electric heating tube outer tube wall, avoid because of excess Temperature initiation fire accident, but this structure relative complex, manufacturing cost is large, must increase user's financial burden.
Summary of the invention
The present invention is mainly for the deficiencies in the prior art, propose a kind of simple in structure, safe and reliable, rapid heat dissipation, the passenger train air heater that the thermal efficiency is high.
The present invention is achieved through the following technical solutions technical goal.
The passenger train air heater, it comprises electrode pile crown, electrode tip holder, limiting plate, housing, bearing, floor, conduit and electrical heating elements.Described housing is the cuboid that is provided with shutter, equidistantly matches the arrangement bearing along the inner plating of two long margin frames.Described floor is the bar shaped plate, and on the plate face, uniform through hole is installed conduit, the floor two ends of placing vertically is connected to consist of on housing inner chamber bearing catheter positioning is supported.Described conduit is tubular element, and the middle through hole of reserving treats that heating passes, and conduit is by the floor screens.Described electrode pile crown is single-head screw shape member, threaded one section outwardly, the other end connects heating inwardly.Its improvements are: described heating is flexible member, be bent into U-shaped during installation, the conduit of the heating of prone position U-shaped adjacent installation from floor, one along passing, the electrode pile crown that electric heating element both ends connects is positioned at the same side, and pass from the electrode tip holder that limiting plate connects, the equipped nut of the electrode pile crown that exposes forms the external power supply pile crown, and 1～6 heating of installing side by side of every layer of configuration is established 3～9 layers before and after housing is interior altogether.
Electrode tip holder in said structure, bearing and conduit are the insulation material and make, and electrode tip holder, bearing and conduit preferably ceramic material are made.The material of limiting plate is phenoplasts.Heating is made the cylindrical spring shape with the high-temperature alloy filament winding.
The present invention compared with prior art has following good effect:
1, the electrical heating elements of cylindrical spring shape is made easily, location insulation, stable performance, reliable;
2, electrical heating elements adopts the manufacturing of high-temperature alloy silk, and this structural table area is large, and heat exchange is fast, significantly reduces the thermal inertia of heating element heater;
3, the electrical heating elements surface temperature is low, avoids the initiation fire accident.
Description of drawings
Fig. 1 is structural profile schematic diagram of the present invention.
The specific embodiment
Embodiment 1
The invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments for the below.
Passenger train air heater shown in Figure 1, it comprises electrode pile crown 1, electrode tip holder 2, limiting plate 3, housing 4, bearing 5, floor 6, conduit 7 and electrical heating elements 8.Described housing 4 is cuboid, shell is provided with shutter, inner chamber equidistantly matches along the inner plating of two long margin frames and settles bearing 5, on the tabular floor 6 plate faces of bar shaped, uniform through hole is installed conduit 7, floor 6 two ends of placing vertically are connected on housing 4 inner chamber bearings 5 consist of conduit 7 positioning supports, because bearing 5 is ceramic material, make insulation between floor 6 and housing 4.Described conduit 7 use ceramic materials are made tubular element, and the middle through hole of reserving treats that heating 8 passes, and conduit 7 forms insulation system by floor 6 screens.Described electrode pile crown 1 is single-head screw shape member, threaded one section outwardly, the other end connects heating 8 inwardly.Heating 8 in the present invention is flexible member, be bent into U-shaped during installation, the conduit 7 of heating 8 adjacent installation from floor 6 of prone position U-shaped, one along passing, the electrode pile crown 1 that heating 8 two ends connect is positioned at the same side, and pass from the electrode tip holder 2 that the limiting plate 3 of phenoplasts material connects, the equipped nut of electrode pile crown 1 that exposes forms the external power supply pile crown.Because of electrode tip holder 2 ceramic material manufacturing, make the electrode pile crown 1 and housing 4 insulation that are positioned at wherein.Heating power is determined in the present invention's requirement supporting according to passenger train, then presses heating power and distributes every layer of electrical heating elements 8 quantity and hierarchical design.The present embodiment heating power is 3kw, and housing 4 interior front and back are established 2 layers altogether.Every layer of equipped 2 heating 8 of installing side by side,
Embodiment 2
The present embodiment is applied in the compartment of passenger train of extremely frigid zones operation, and match power is 15kw.The characteristics large according to match power are done the configuration design of heating element heater 8, and its general structure is identical with embodiment 1, and only the configuration quantity of heating element heater 8 is different with the tandem number of plies.In the present embodiment, 4 electrical heating elements 8 of every layer of configuration, establish 9 layers before and after housing 4 inner chambers side by side altogether, and being enough to satisfy provides hot-air to supporting passenger train, reaches fast design temperature.
The conventional attemperating unit of electrical heating elements 8 adapteds in the present invention, after energising, electrical heating elements 8 is heat with electric energy conversion rapidly.Because electrical heating elements 8 use high-temperature alloy filament windings are made the cylindrical spring shape, this structural table area is large, heat exchange is fast under the effect of moving air, make electrical heating elements 8 oneself keep lower temperature, guarantee that heater does not have the hot conditions of initiation fire, when creating a warm environment for passenger train, also create a security context for passenger train.
Claims (4)
1. passenger train air heater, it comprises electrode pile crown (1), electrode tip holder (2), limiting plate (3), housing (4), bearing (5), floor (6), conduit (7) and electrical heating elements (8); Described housing (4) is for being provided with the cuboid of shutter, equidistantly matches along the inner plating of two long margin frames and settles bearing (5); Described floor (6) is the bar shaped plate, and on the plate face, uniform through hole is installed conduit (7), floor (6) two ends of placing vertically is connected to housing (4) inner chamber bearing (5) is upper to be consisted of conduit (7) positioning support; Described conduit (7) is tubular element, and the middle through hole of reserving treats that heating (8) passes, and conduit (7) is by floor (6) screens; Described electrode pile crown (1) is single-head screw shape member, threaded one section outwardly, the other end connects heating (8) inwardly; it is characterized in that: described heating (8) is flexible member, during installation, one end is bent into U-shaped, the heating of prone position U-shaped (8) is one suitable passing from the conduit (7) of the upper adjacent installation of floor (6), the electrode pile crown (1) that heating (8) two ends connect is positioned at the same side, and pass from the electrode tip holder (2) that limiting plate (3) connects, the equipped nut of the electrode pile crown (1) that exposes forms the external power supply pile crown, 1～6 heating (8) of installing side by side of every layer of configuration, establish altogether 3～9 layers before and after in housing (4).
2. passenger train air heater according to claim 1 is characterized in that: described electrode tip holder (2), limiting plate (3), limit bearing (5) and conduit (7) are the insulation material product.
3. according to claim 1 or passenger train air heater claimed in claim 2, it is characterized in that: the material of described electrode tip holder (2), bearing (5) and conduit (7) is pottery, and the material of limiting plate (3) is phenoplasts.
4. passenger train air heater according to claim 1, it is characterized in that: described heating (8) is made the cylindrical spring shape with the high-temperature alloy filament winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100763465A CN103148582A (en) | 2013-02-06 | 2013-02-06 | Air heater for passenger train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100763465A CN103148582A (en) | 2013-02-06 | 2013-02-06 | Air heater for passenger train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103148582A true CN103148582A (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100763465A Pending CN103148582A (en) | 2013-02-06 | 2013-02-06 | Air heater for passenger train |
Country Status (1)
| Country | Link |
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| CN (1) | CN103148582A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216814A (en) * | 2015-10-14 | 2016-01-06 | 南车青岛四方机车车辆股份有限公司 | A kind of heater unit for guideway vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB941580A (en) * | 1961-03-27 | 1963-11-13 | Apsley Metal Products Ltd | Improvements in or relating to electrical heating units |
| JPH06281181A (en) * | 1993-03-30 | 1994-10-07 | Orion Mach Co Ltd | Air heater for constant temperature air feeding device |
| US5578232A (en) * | 1995-05-04 | 1996-11-26 | Hart & Cooley, Inc. | Open-coil heater assembly and insulator therefor |
| CN2255394Y (en) * | 1995-07-21 | 1997-06-04 | 姜堰市热工电器厂 | Air-conditioning heater for train |
| US5925273A (en) * | 1997-10-20 | 1999-07-20 | Tutco, Inc. | Electric multi-stage heater assembly |
| CN201405866Y (en) * | 2009-06-18 | 2010-02-17 | 镇江东方电热科技股份有限公司 | Electric heater of rail passenger car |
| CN203132124U (en) * | 2013-02-06 | 2013-08-14 | 泰州泰怡热工电器有限公司 | Passenger train air heater |
-
2013
- 2013-02-06 CN CN2013100763465A patent/CN103148582A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB941580A (en) * | 1961-03-27 | 1963-11-13 | Apsley Metal Products Ltd | Improvements in or relating to electrical heating units |
| JPH06281181A (en) * | 1993-03-30 | 1994-10-07 | Orion Mach Co Ltd | Air heater for constant temperature air feeding device |
| US5578232A (en) * | 1995-05-04 | 1996-11-26 | Hart & Cooley, Inc. | Open-coil heater assembly and insulator therefor |
| CN2255394Y (en) * | 1995-07-21 | 1997-06-04 | 姜堰市热工电器厂 | Air-conditioning heater for train |
| US5925273A (en) * | 1997-10-20 | 1999-07-20 | Tutco, Inc. | Electric multi-stage heater assembly |
| CN201405866Y (en) * | 2009-06-18 | 2010-02-17 | 镇江东方电热科技股份有限公司 | Electric heater of rail passenger car |
| CN203132124U (en) * | 2013-02-06 | 2013-08-14 | 泰州泰怡热工电器有限公司 | Passenger train air heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216814A (en) * | 2015-10-14 | 2016-01-06 | 南车青岛四方机车车辆股份有限公司 | A kind of heater unit for guideway vehicle |
| CN105216814B (en) * | 2015-10-14 | 2018-04-06 | 中车青岛四方机车车辆股份有限公司 | A kind of warm-air drier for rail vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130612 |