CN214223406U - Electric locomotive side wall electric fan heater - Google Patents
Electric locomotive side wall electric fan heater Download PDFInfo
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- CN214223406U CN214223406U CN202120235133.2U CN202120235133U CN214223406U CN 214223406 U CN214223406 U CN 214223406U CN 202120235133 U CN202120235133 U CN 202120235133U CN 214223406 U CN214223406 U CN 214223406U
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- side wall
- fan heater
- electric locomotive
- metal shell
- heating body
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Abstract
The utility model belongs to the technical field of electric locomotive heating facility, solved current locomotive electric fan heater and had that the insurance should not be changed, the problem of assisting ground connection phenomenon, electric leakage often appears. The side wall fan heater of the electric locomotive comprises a metal shell, a motor, a cross-flow fan blade, a heating body and a bottom plate, wherein the motor, the cross-flow fan blade, the heating body and the bottom plate are arranged in the metal shell; the metal shell is provided with an air inlet and an air outlet, the air inlet and the cross-flow fan blade are arranged correspondingly, the air outlet is arranged above the heating body, and the outer wall of the metal shell is provided with a safety. The utility model discloses with insurance repacking in the outside of quick-witted case, the change of the insurance of being convenient for is equipped with the insulation board in the heat-generating body both sides, very big increase the insulating properties between heat-generating body and the metal casing, effectively avoid assisting the emergence of accidents such as ground connection, electric leakage, improve utility model's security performance.
Description
Technical Field
The utility model belongs to the technical field of electric locomotive heating facility, concretely relates to electric locomotive side wall electric fan heater.
Background
In the southwest area of China, the lowest temperature can reach-30 ℃ in winter, a locomotive runs at the temperature, and if a driver cab has no heating equipment, the indoor temperature can only reach 5 ℃ and is far lower than the temperature 14 ℃ at which a human body feels cold. In cold working conditions, the thinking speed of people is greatly reduced, the reaction speed is greatly influenced, the action is delayed, and great driving safety hidden dangers exist, so that heating facilities in a cab of the electric locomotive are very necessary.
However, the existing heating facilities have the following problems:
1. the noise is large, and the failure rate is high;
2. the fuse is arranged in the case and is not easy to replace;
3. an insulating device is not arranged in the case, so that the problems of auxiliary grounding, electric leakage, spark and the like of the metal shell often occur;
4. the air inlet and outlet locations are not reasonably arranged.
SUMMERY OF THE UTILITY MODEL
Exist the heating facility to prior art and have that the noise is big, the fault rate is high, insurance should not be changed, often appear assisting not enough of ground connection phenomenon, electric leakage and spark, the utility model aims to provide an electric locomotive side wall electric fan heater, this type electric fan heater adorns insurance repacking in the outside of quick-witted case, and the change of the insurance of being convenient for is equipped with the insulation board in the heat-generating body both sides, very big increase the insulating properties between heat-generating body and the metal casing, effectively avoid assisting the emergence of accidents such as ground connection, electric leakage, improve the utility model discloses a security performance.
In order to achieve the purpose, the utility model adopts the following technical scheme that the electric locomotive side wall fan heater comprises a metal shell, a motor, a cross-flow fan blade, a heating body and a bottom plate, wherein the motor, the cross-flow fan blade, the heating body and the bottom plate are arranged in the metal shell; the metal shell is provided with an air inlet and an air outlet, the air inlet and the cross-flow fan blade are arranged correspondingly, the air outlet is arranged above the heating body, and the outer wall of the metal shell is provided with a safety.
Furthermore, the air inlet is a plurality of elongated holes arranged at intervals.
Furthermore, a metal net is arranged on the air outlet.
Furthermore, the bottom plate is provided with an accommodating chamber for accommodating the cross-flow fan blade, the position of the accommodating chamber corresponding to the air inlet is in an opening shape, and a channel is formed in the side wall of the accommodating chamber opposite to the heating body.
Furthermore, a baffle is arranged on the bottom plate and is positioned above the heating body, and the side walls of the baffle, the heating body and the air outlet are all in an open shape.
Furthermore, heat dissipation holes are formed on two side walls of the metal shell.
Furthermore, the metal shell is made of stainless steel.
Further, the heat-generating body is a PTC heat-generating body.
Further, the motor is a shaded pole motor.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model changes the motor and the heating element with larger power, and increases the working efficiency of the warm air blower;
2. the utility model improves the safety position from the interior of the warm air blower to the shell, thereby facilitating the repair;
3. the utility model adds the insulating board, which effectively prevents the probability of the grounding accident of the warm air blower;
4. the utility model discloses with the whole air intake of electric fan heater and air outlet transform position, can reduce the foreign matter on the one hand and get into inside the electric fan heater, on the other hand makes the air outlet more be close to the human body, makes the operation personnel break away from chillly more.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 3 is a schematic structural view of the embodiment of the present invention with the metal shell removed;
fig. 4 is a schematic structural diagram of a bottom plate according to an embodiment of the present invention.
In the figure: 1-a metal housing; 1.1-gas inlet; 1.2-gas outlet; 1.3-heat dissipation holes; 2, a motor; 3-cross-flow fan blades; 4-a heating element; 5-a bottom plate; 5.1-a holding chamber; 5.11-channel; 6-insurance; 7-an insulating plate; 8-metal mesh.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described in conjunction with the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope protected by the present invention.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the practical limitations of the present invention, so that they do not have the essential technical meaning, and any modification of the structures, changes of the ratio relationships, or adjustment of the sizes should still fall within the scope of the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The utility model provides a pair of embodiment: a side wall fan heater of an electric locomotive comprises a metal shell 1, a motor 2, a cross-flow fan blade 3, a heating body 4 and a bottom plate 5, wherein the motor 2, the cross-flow fan blade 3, the heating body 4 and the bottom plate 5 are arranged in the metal shell 1; an air inlet 1.1 and an air outlet 1.2 are arranged on the metal shell 1, the air inlet 1.1 is arranged corresponding to the cross-flow fan blade 3, the air outlet 1.2 is arranged above the heating body 4, and a safety 6 is arranged on the outer wall of the metal shell 1.
Referring to fig. 1, 2 and 3, in the present embodiment, the metal casing 1 is made of stainless steel, and the good thermal conductivity can effectively prevent the internal temperature of the device from being too high; the air inlet 1.1 is arranged in a long strip hole shape, so that sundries can be effectively prevented from entering the interior of the fan heater, and the failure rate of the utility model is reduced; a metal mesh 8 is arranged at the position of an air outlet 1.2 of the larger air port, so that heat generated by the heating body can be timely dissipated into the air, the power of the warm air blower is increased, and heat dissipation holes 1.3 are formed in two side walls of the metal shell 1, so that the interior of the warm air blower is prevented from being overheated;
the motor 2 belongs to a shaded pole type motor, has rated voltage AC220V and 50HZ, rated power 15W, rated rotating speed 2400RPM, low noise and strong voltage adaptability.
The selected size of the cross-flow fan blade 3 is phi 60 x 240mm, the rated current is 0.33A, the rated power is 38W, and after the cross-flow fan blade is combined with the motor 2, the wind speed can reach 127m3And h, the heat generated by the heating body can be timely dissipated.
The heating element 4 is a PTC heating element with rated voltage of AC220V and 50HZ, rated power of 2500W and size of 230mm 25mm 60mm, and is an automatic constant temperature and power-saving electric heater, which has the characteristics of small thermal resistance, high heat exchange efficiency, excellent heat conduction and heat dissipation performance, high safety performance and the like, and the 2500W PTC heating element 4 has the temperature of minus 30 ℃ and 8m in the external environment3The cab works for 1h in the closed space, the indoor temperature can reach the comfortable temperature of a human body, and the daily work of rear observation, corridor patrol and the like of a locomotive attendant is not influenced.
The size of insulating board 7 selected for use is 230mm 25mm 3mm, insulation resistance > =200 MOmega during cold state, insulation resistance > =2.5 MOmega during hot state, damp and hot condition, insulation resistance > =2 MOmega, 2 insulating boards 7 are installed between the heating body and the metal shell, the insulating property between the heating body and the metal shell can be greatly increased, the occurrence of accidents such as auxiliary grounding, electric leakage and the like is effectively avoided, and the safety performance of the fan heater is improved.
Referring to fig. 4, the bottom plate 5 is provided with an accommodating chamber 5.1 for accommodating the cross-flow fan blade 3, the position of the accommodating chamber 5.1 corresponding to the air inlet 1.1 is open, and a channel 5.11 is formed on the side wall of the accommodating chamber 5.1 opposite to the heating element 4. The containing chamber 5.1 can better fix the cross-flow fan blade on the bottom plate 5, and the channel 5.11 is used for sending air into the heating body 4 for heating. The bottom plate 5 is also provided with a baffle 5.2, the baffle 5.2 is positioned above the heating body 4, the baffle 5.2 corresponds to the air outlet 1.2, and the side walls of the baffle 5.2 corresponding to the heating body 4 and the air outlet 1.2 are both in an open shape. Through setting up baffle 5.2, can send out the air gathering that heat-generating body 4 was heated, prevent that gas from causing overheated condition in the electric fan heater inside.
The motor 2, the heating body 4 and the safety 6 are all electrically connected with a power supply.
The working principle is as follows:
the motor 2 and the heating body 4 are connected in parallel in the circuit and are connected in series with the fuse 6 in the main circuit, the motor 2 drives the cross-flow fan blade 3 to work after being electrified, the cross-flow fan blade 3 sucks air entering from the air inlet 1.1 and then discharges the air, the air enters the heating body 4 through the channel 5.11 at the bottom end of the containing chamber 5.1, and the air heated by the heating body 4 is discharged out of the fan heater from the air outlet 1.2.
The insulating plate 7 is arranged between the heating body and the metal shell, so that the accidents of auxiliary grounding, electric leakage and the like are avoided.
The metal shell 1 is also provided with a safety 6 to prevent the occurrence of short circuit and power connection accidents.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides an electric locomotive side wall electric fan heater, includes metal casing (1) and sets up motor (2), through-flow fan blade (3), heat-generating body (4) and bottom plate (5) within metal casing (1), its characterized in that: the cross-flow fan blade (3) is driven by the motor (2), a heating body (4) is arranged above the cross-flow fan blade (3), and insulating plates (7) are arranged at the front end and the rear end of the heating body (4); an air inlet (1.1) and an air outlet (1.2) are arranged on the metal shell (1), the air inlet (1.1) and the through-flow fan blade (3) are correspondingly arranged, the air outlet (1.2) is arranged above the heating body (4), and a safety (6) is arranged on the outer wall of the metal shell (1).
2. The electric locomotive side wall fan heater according to claim 1, characterized in that the air inlet (1.1) is a plurality of elongated holes arranged at intervals.
3. The electric locomotive side wall fan heater according to claim 1, characterized in that a metal mesh (8) is arranged on the air outlet (1.2).
4. The electric locomotive side wall fan heater according to claim 1, characterized in that: the bottom plate (5) is provided with an accommodating chamber (5.1) for accommodating the through-flow fan blade (3), the position of the accommodating chamber (5.1) corresponding to the air inlet (1.1) is in an opening shape, and a channel (5.11) is formed in the side wall of the accommodating chamber (5.1) opposite to the heating body (4).
5. The electric locomotive side wall fan heater according to claim 4, wherein: the heating device is characterized in that a baffle (5.2) is arranged on the bottom plate (5), the baffle (5.2) is positioned above the heating body (4), and the side walls of the baffle (5.2) corresponding to the heating body (4) and the air outlet (1.2) are both in an open shape.
6. The electric locomotive side wall fan heater according to claim 1, characterized in that: radiating holes (1.3) are formed in two side walls of the metal shell (1).
7. The electric locomotive side wall fan heater according to claim 1, characterized in that: the metal shell (1) is made of stainless steel.
8. The electric locomotive side wall fan heater according to claim 1, characterized in that: the heating element (4) is a PTC heating element.
9. The electric locomotive side wall fan heater according to claim 1, characterized in that: the motor (2) is a shaded pole motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120235133.2U CN214223406U (en) | 2021-01-28 | 2021-01-28 | Electric locomotive side wall electric fan heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120235133.2U CN214223406U (en) | 2021-01-28 | 2021-01-28 | Electric locomotive side wall electric fan heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214223406U true CN214223406U (en) | 2021-09-17 |
Family
ID=77691738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120235133.2U Active CN214223406U (en) | 2021-01-28 | 2021-01-28 | Electric locomotive side wall electric fan heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214223406U (en) |
-
2021
- 2021-01-28 CN CN202120235133.2U patent/CN214223406U/en active Active
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