A train driver's cab electric heater with adjustable wind direction

Abstract

The present invention discloses an electric heater for a train driver's cab with adjustable wind direction, which belongs to the technical field of train accessories and comprises a heating box, wherein a blower unit for blowing external cold air into the heating box is arranged at the bottom of the heating box, a heating unit is arranged in the heating box, the heating unit is communicated with the blower unit, the heating unit is used to heat the air blown in by the blower unit, and an air outlet unit for directional discharge of the heated air is arranged at the top of the heating box, external cold air can be injected into the heating unit for heating through the blower unit, and then the heated air can be directional blown out as needed with the cooperation of the air outlet unit, thereby effectively improving the use comfort of the staff, and under the action of the heating box, the problem of unsatisfactory air heating effect due to heat loss can be avoided.

Description

Technical Field

[0001] The invention relates to the technical field of train accessories, in particular to an electric heater in a train driver's cab with adjustable wind direction. Background Art

[0002] The electric heater in the train driver's cab is an important electric heating device that ensures that the train driver can work in a relatively comfortable environment in cold seasons and ensures the safety of train operation. The working environment of the high-speed train has higher requirements for the heater. On the basis of improving the heat exchange capacity to improve the heating effect, it is necessary to give the train driver better thermal comfort. Due to the high-speed running of the train, the ambient temperature changes quickly and the temperature difference is large, so a heater that can adjust the temperature is needed to ensure the temperature.

[0003] For example, a Chinese utility model patent with a publication number of CN211943286U discloses an energy-saving lightweight driver's cab ventilation unit, including a box body arranged in the driver's cab, the box body having a door cover facing the driver's cab space, an air inlet channel connected to the air duct of the adjacent passenger compartment of the train is provided on the wall of the box body, a partition is installed in the box body to divide the box body into an air inlet chamber and an air outlet chamber, a centrifugal fan is arranged in the air inlet chamber, an electric heater is arranged in the air outlet chamber in close contact with the partition, and a ventilation cover for blowing air toward the driver's cab is opened on the door cover at the air outlet chamber position; electrical components that control the operation of the centrifugal fan and the electric heater are located in the box body.

[0004] The above solution has the following shortcomings in actual use:

[0005] This solution uses partitions to separate the air inlet and outlet cavities, and the components inside the box can be installed more compactly, thereby shortening the length and height dimensions of the ventilation unit, achieving the effect of saving space, reducing weight, and increasing air volume. However, in actual use, it is impossible to adjust the wind direction. There is a phenomenon that the wind cannot blow directly on the staff in an extremely cold environment or cannot be blown directly on the staff when the temperature is low, resulting in less than ideal comfort. Summary of the invention

[0006] The object of the present invention is to provide an electric heater for a train driver's cab with adjustable wind direction, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an electric heater for a train driver's cab with adjustable wind direction, comprising a heating box, a blowing unit for blowing external cold air into the heating box is arranged at the bottom of the heating box, a heating unit is arranged in the heating box, the heating unit is communicated with the blowing unit, the heating unit is used to heat the air blown in by the blowing unit, and an air outlet unit for discharging the heated air in a direction is arranged at the top of the heating box; the air outlet unit comprises a mounting sleeve, a plurality of exhaust holes are opened on the mounting sleeve, an air distribution plate is arranged at the bottom of the inner wall of the mounting sleeve, a top seat is arranged at the top of the mounting sleeve, a shielding member is arranged below the top seat, a driving member is arranged in the top seat, and the wind direction can be adjusted by driving the shielding member to rotate by the driving member.

[0008] Preferably, the blowing unit includes a mounting seat, two filter discs are arranged at the bottom of the mounting seat, each filter disc is provided with a shaft, a plurality of fan blades are arranged at the top of the shaft, an actuator for driving the two shafts to rotate is arranged in the mounting seat, and a cleaning module for cleaning the lower surface of the filter disc is arranged at the bottom of the shaft.

[0009] Preferably, the cleaning module includes a driving ring, which is located at the bottom end of the shaft body, a driving plate is provided on the side of the driving ring, the driving plate is slidably connected to a moving block through a slide groove, an elastic belt is provided between the inner wall of the slide groove on the driving plate and the moving block, a cleaning brush is provided on the top of the moving block, one side of the cleaning brush is rotatably connected to a guide wheel through a rotating shaft, a fixing ring is provided above the driving ring, and a guide track corresponding to the guide wheel is opened on the outer peripheral surface of the fixing ring.

[0010] Preferably, the heating unit comprises two air inlet hoods, each of which is provided with a connecting pipe on the top, each of which is provided with a preheating bent pipe at the end, an exhaust hood at the air outlet end of the preheating bent pipe, a heat-conducting shell is provided between the two exhaust hoods, a heating channel connected to the two exhaust hoods is provided in the heat-conducting shell, a PTC electric heater is plugged into the bottom of the heat-conducting shell, and an air outlet duct connected to the air outlet unit is provided in the middle of the heating channel.

[0011] Preferably, two heat-conducting fins are symmetrically arranged on the inner wall of the heating channel, and a plurality of through holes are opened on the heat-conducting fins.

[0012] Preferably, the driving member comprises a second motor, the output shaft of the second motor extends to the interior of the top seat and is provided with a gear, one side of the gear is meshedly connected with a ring gear, and the ring gear is connected to the shielding member.

[0013] Preferably, the shielding member includes an adjustment seat, a connecting seat is provided on the adjustment seat, the connecting seat is rotatably connected to an adjustment block via an adjustment shaft, the adjustment block is fixedly connected to the adjustment shaft, a mounting platform is provided on the adjustment block, a baffle and two movable baffles are provided on the lower surface of the mounting platform, and the movable baffle is slidably connected to the mounting platform via a slide rail.

[0014] Preferably, the end of the adjusting shaft is provided with a plurality of protrusions, and both sides of the connecting seat are provided with limit covers, and the inner circumference of the limit cover is provided with a plurality of grooves corresponding to the protrusions.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] When in use, the outside cold air is injected into the heating unit through the blower unit for heating, and then the heated air can be blown out in a direction as needed with the cooperation of the air outlet unit, which effectively improves the comfort of the staff. Under the action of the heating box, the problem of unsatisfactory air heating effect due to heat loss can be avoided;

[0017] The shielding member is driven to rotate by the driving member so that the heated air can be discharged through the exhaust holes not blocked by the shielding member, thereby achieving the purpose of directional transportation of the heated air. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a cross-sectional view of the overall structure of the present invention;

[0020] Figure 3 It is a structural exploded diagram of the air blowing unit of the present invention;

[0021] Figure 4 This is a structural breakdown diagram of the cleaning module of the present invention;

[0022] Figure 5 It is a structural exploded diagram of the heating unit of the present invention;

[0023] Figure 6 It is a structural cross-sectional view of the heat-conducting housing of the present invention;

[0024] Figure 7 It is a structural schematic diagram of the air outlet unit of the present invention;

[0025] Figure 8 This is a partial structural exploded view of the air outlet unit of the present invention;

[0026] Fig. 9 for Figure 8 A magnified view of the structure at center.

[0027] In the figure:

[0028] 100, blower unit; 101, mounting seat; 102, filter plate; 103, shaft body; 104, fan blade; 105, motor 1; 106, driving wheel; 107, driven wheel; 108, transmission belt; 109, driving ring; 110, driving plate; 111, moving block; 112, elastic belt; 113, cleaning brush; 114, guide wheel; 115, fixing ring; 116, guide track;

[0029] 200, heating unit; 201, air inlet cover; 202, connecting pipe; 203, preheating elbow; 204, exhaust cover; 205, heat-conducting shell; 206, heating channel; 207, heat-conducting fins; 208, through hole; 209, PTC electric heater; 210, air outlet duct;

[0030] 300, heating box;

[0031] 400, air outlet unit; 401, mounting sleeve; 402, exhaust hole; 403, air distribution plate; 404, top seat; 405, motor 2; 406, gear; 407, gear ring; 408, adjustment seat; 409, connecting seat; 410, adjustment block; 411, adjustment shaft; 412, protrusion; 413, limit cover; 414, groove; 415, mounting platform; 416, baffle; 417, movable baffle; 418, control module; 419, power module. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-Figure 9 , the present invention provides a technical solution:

[0034] like Figure 1 and Figure 2As shown, an electric heater for a train driver's cab with adjustable wind direction includes a blower unit 100, a heating unit 200, a heating box 300 and an air outlet unit 400. The blower unit 100 is arranged at the bottom of the heating box 300, and is used to blow external cold air into the heating box 300. The heating unit 200 is arranged inside the heating box 300. The heating unit 200 is communicated with the blower unit 100, and is used to heat the air blown in by the blower unit 100. The air outlet unit 400 is arranged at the top of the heating box 300, and is used to discharge the heated air in a directional manner. The external cold air is injected into the heating unit 200 for heating through the blower unit 100, and then the heated air can be blown out in a directional manner as needed with the cooperation of the air outlet unit 400, thereby effectively improving the use comfort of the staff. Under the action of the heating box 300, the problem of unsatisfactory air heating effect due to heat loss can be avoided.

[0035] like Figure 3 As shown, the blower unit 100 includes a mounting seat 101, on which two ventilation slots are provided, a filter disc 102 is provided at the bottom of the inner wall of the ventilation slot on the mounting seat 101, a shaft 103 is provided on the filter disc 102, a plurality of fan blades 104 are provided at the top of the shaft 103, an actuator for driving the two shafts 103 to rotate is provided in the mounting seat 101, and a cleaning module for cleaning the lower surface of the filter disc 102 is provided at the bottom of the shaft 103, wherein the actuator includes The motor 105 includes a driving wheel 106 on its output shaft, a driven wheel 107 on the shaft body 103, and a transmission belt 108 is sleeved on the driving wheel 106 and the two driven wheels 107. The driving wheel 106 rotates by controlling the motor 105 to rotate, and the shaft body 103 drives the plurality of fan blades 104 to rotate under the transmission of the driving wheel 106, the two driven wheels 107 and the transmission belt 108, so that the external cold air is filtered by the filter disc 102 and then injected into the ventilation slot.

[0036] like Figure 4As shown, the cleaning module includes a driving ring 109, which is located at the bottom end of the shaft 103. A driving plate 110 is arranged on the side of the driving ring 109. The driving plate 110 is slidably connected to a moving block 111 through a sliding groove. An elastic belt 112 is arranged between the inner wall of the sliding groove on the driving plate 110 and the moving block 111. A cleaning brush 113 is arranged on the top of the moving block 111. One side of the cleaning brush 113 is rotatably connected to a guide wheel 114 through a rotating shaft. A fixing ring is arranged above the driving ring 109. 115, the fixing ring 115 is fixedly connected to the filter disc 102, and a guide track 116 corresponding to the guide wheel 114 is provided on the outer peripheral surface of the fixing ring 115. With the rotation of the shaft body 103, the driving ring 109 drives the driving plate 110, the moving block 111 and the cleaning brush 113 to start rotating. Under the elastic force of the elastic belt 112, the guide wheel 114 can move in contact with the guide track 116 on the guide wheel 114, thereby realizing the reciprocating drive of the cleaning brush 113 to ensure the cleaning effect.

[0037] like Figure 5 and Figure 6 As shown, the heating unit 200 includes two air inlet covers 201, the tops of the air inlet covers 201 are each provided with a connecting pipe 202, the ends of the connecting pipes 202 are each provided with a preheating elbow 203, the outlet end of the preheating elbow 203 is provided with an exhaust cover 204, a heat-conducting housing 205 is provided between the two exhaust covers 204, a heating channel 206 connected to the two exhaust covers 204 is provided in the heat-conducting housing 205, and a PTC electric heater 209 is plugged into the bottom of the heat-conducting housing 205, wherein the PTC electric heater 209 is a device that uses the positive temperature coefficient (PTC) material characteristics for heating, and the resistance of the PTC material increases when the temperature rises, which makes After reaching a certain temperature, they can automatically adjust the heating power to maintain a stable working temperature. They have the characteristics of high safety, high efficiency, simple maintenance, energy saving and environmental protection. An air outlet duct 210 connected to the air outlet unit 400 is arranged in the middle of the heating channel 206. Under the action of the blower unit 100, the cold air is injected into the preheating elbow 203 through the air inlet hood 201. The air in the preheating elbow 203 is preheated by the excess heat energy of the PTC electric heater 209. The preheated air is injected into the heating channel 206 in the heat-conducting shell 205 through the exhaust hood 204 for heating, and then enters the air outlet unit 400 through the air outlet duct 210.

[0038] Furthermore, two heat-conducting fins 207 are symmetrically arranged on the inner wall of the heating channel 206, wherein the heat-conducting fins 207 include a plurality of heat-conducting fins arranged vertically and three heat-conducting fins arranged horizontally, and the heat-conducting fins arranged horizontally are arranged in sequence from top to bottom, and a plurality of through holes 208 are opened on the heat-conducting fins 207, and air passes through the through holes 208. Under the action of the heat-conducting fins 207, the air can be effectively heated. In order to further enhance the heating effect on the air, the central axes of the through holes 208 do not overlap.

[0039] like Figure 7-Figure 9 As shown, the air outlet unit 400 includes a mounting sleeve 401, which is provided with a plurality of exhaust holes 402, which are arranged circumferentially, and an air distribution plate 403 is arranged at the bottom of the inner wall of the mounting sleeve 401, and the air distribution plate 403 can evenly blow the air exhausted from the air outlet duct 210 into the interior of the mounting sleeve 401, and a top seat 404 is arranged at the top of the mounting sleeve 401, and a shielding member is arranged below the top seat 404, and a driving member is arranged inside the top seat 404, and the shielding member is driven to rotate by the driving member, so that the heated air can be discharged through the exhaust holes 402 that are not blocked by the shielding member, thereby achieving the purpose of directional transportation of the heated air.

[0040] Further, the driving member includes a second motor 405, the output shaft of the second motor 405 extends to the inside of the top seat 404 and is provided with a gear 406, one side of the gear 406 is meshedly connected with a ring gear 407, and the ring gear 407 is connected to the shielding member. When in use, by controlling the operation of the second motor 405, the ring gear 407 drives the shielding member to rotate under the transmission of the gear 406 and the ring gear 407.

[0041] Furthermore, the shielding member includes an adjusting seat 408, a connecting seat 409 is arranged on the adjusting seat 408, the connecting seat 409 is rotatably connected to an adjusting block 410 via an adjusting shaft 411, the adjusting block 410 is fixedly connected to the adjusting shaft 411, a mounting platform 415 is arranged on the adjusting block 410, a baffle 416 and two movable baffles 417 are arranged on the lower surface of the mounting platform 415, the movable baffle 417 is slidably connected to the mounting platform 415 via a slide rail, the shielding range of the shielding member can be adjusted by pulling the movable baffle 417, so as to realize concentrated or decentralized blowing, and all-round air outlet can be realized by flipping the shielding member, the mounting platform 415 and the adjusting block 410,

[0042] Furthermore, a control module 418 and a power module 419 are provided in the top seat 404 , wherein the power module 419 is used to supply power to the control module 418 , the actuator, the driving component and the PTC electric heater 209 , and the control module 418 is used to control the actuator, the driving component and the PTC electric heater 209 .

[0043] Furthermore, in order to limit the flipped covering member, mounting platform 415 and adjustment block 410, a plurality of protrusions 412 are provided at the end of the adjustment shaft 411, and limiting covers 413 are provided on both sides of the connecting seat 409, and a plurality of grooves 414 corresponding to the protrusions 412 are provided on the inner circumference of the limiting cover 413.

[0044] The working process of this embodiment is as follows: when in use, the cold air from the outside is injected into the heating unit 200 through the blower unit 100 for preheating and heating, and then the heated air can be blown out in a direction as needed with the cooperation of the air outlet unit 400, thereby effectively improving the use comfort of the staff, and under the action of the heating box 300, heat loss can be avoided.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A train driver's cab electric heater with adjustable wind direction, comprising a heating box (300), characterized in that: The bottom of the heating box (300) is provided with a blast unit (100) for blowing cold air from the outside into the heating box (300); a heating unit (200) is provided in the heating box (300); the heating unit (200) is connected to the blast unit (100); the heating unit (200) is used to heat the air blown in by the blast unit (100); and the top of the heating box (300) is provided with an air outlet unit (400) for discharging the heated air in a directional manner; The air blowing unit (100) comprises a mounting seat (101), two filter discs (102) are arranged at the bottom of the mounting seat (101), shafts (103) are arranged on each of the filter discs (102), a plurality of fan blades (104) are arranged at the top of the shafts (103), an actuator for driving the two shafts (103) to rotate is arranged in the mounting seat (101), and a cleaning module for cleaning the lower surface of the filter discs (102) is arranged at the bottom of the shafts (103); The cleaning module comprises a driving ring (109), wherein the driving ring (109) is located at the bottom end of the shaft (103), a driving plate (110) is arranged on the side of the driving ring (109), the driving plate (110) is slidably connected to a moving block (111) via a sliding groove, an elastic band (112) is arranged between the inner wall of the sliding groove on the driving plate (110) and the moving block (111), a cleaning brush (113) is arranged on the top of the moving block (111), one side of the cleaning brush (113) is rotatably connected to a guide wheel (114) via a rotating shaft, a fixing ring (115) is arranged above the driving ring (109), and a guide track (116) corresponding to the guide wheel (114) is provided on the outer peripheral surface of the fixing ring (115); The air outlet unit (400) comprises a mounting sleeve (401), a plurality of air exhaust holes (402) are provided on the mounting sleeve (401), an air distribution plate (403) is provided at the bottom of the inner wall of the mounting sleeve (401), a top seat (404) is provided at the top of the mounting sleeve (401), a shielding member is provided below the top seat (404), a driving member is provided inside the top seat (404), and the driving member drives the shielding member to rotate to adjust the wind direction; The driving member comprises a second motor (405), the output shaft of the second motor (405) extending to the interior of the top seat (404) and provided with a gear (406), one side of the gear (406) being meshingly connected with a ring gear (407), and the ring gear (407) being connected to the shielding member; The shielding member comprises an adjustment seat (408), a connecting seat (409) is arranged on the adjustment seat (408), the connecting seat (409) is rotatably connected to an adjustment block (410) via an adjustment shaft (411), the adjustment block (410) is fixedly connected to the adjustment shaft (411), a mounting platform (415) is arranged on the adjustment block (410), a baffle (416) and two movable baffles (417) are arranged on the lower surface of the mounting platform (415), and the movable baffle (417) is slidably connected to the mounting platform (415) via a slide rail.

2. The electric heater for a train driver's cab with adjustable wind direction according to claim 1, characterized in that: The heating unit (200) comprises two air inlet covers (201), the tops of the air inlet covers (201) are each provided with a connecting pipe (202), the ends of the connecting pipes (202) are each provided with a preheating bent pipe (203), the air outlet end of the preheating bent pipe (203) is provided with an exhaust cover (204), a heat-conducting shell (205) is provided between the two exhaust covers (204), a heating channel (206) connected to the two exhaust covers (204) is provided in the heat-conducting shell (205), a PTC electric heater (209) is plugged into the bottom of the heat-conducting shell (205), and an air outlet duct (210) connected to the air outlet unit (400) is provided in the middle of the heating channel (206).

3. The electric heater for a train driver's cab with adjustable wind direction according to claim 2, characterized in that: Two heat-conducting fins (207) are symmetrically arranged on the inner wall of the heating channel (206), and a plurality of through holes (208) are opened on the heat-conducting fins (207).

4. The electric heater for a train driver's cab with adjustable wind direction according to claim 1, characterized in that: The ends of the adjustment shaft (411) are provided with a plurality of protrusions (412), and both sides of the connection seat (409) are provided with limit covers (413), and the inner circumference of the limit cover (413) is provided with a plurality of grooves (414) corresponding to the protrusions (412).

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