CN110173738A - Electric radiator - Google Patents

Abstract

The application provides an electric heater. The electric heater includes a shell (1) and a heating device (2) arranged in the shell (1), the bottom of the shell (1) is provided with a guide device, and the guide device is opposite to the heat sink (2) of the heating device (2). 17) The heated air is diverted so that the air heated by the heating device (2) is blown laterally from the bottom of the housing (1). According to the electric heater of the present application, the airflow organization of the air can be improved, the uniformity of temperature distribution can be improved, and user experience can be enhanced.

Description

Electric heater

technical field

The application belongs to the technical field of air conditioning, and in particular relates to an electric heater.

Background technique

At present, there are various forms of electric heaters (radiators) on the market. There are those that conduct heat directly through the heating plate (radiant plate), mainly using natural convection heat transfer; Convective heat transfer. The heat transfer method of natural convection is more common, the structure is simple, and it is convenient to use, but the heat transfer efficiency is not high, and the air flow organization of the air is poor, there is only part of the area for heating, the heat dissipation is slow, and the warm air is not dispersed, resulting in uneven temperature distribution At the same time, because the air is heated and rises, the spatial distribution of temperature is not good.

In addition, there are many kinds of heaters on the market, which adopt the heat transfer method of forced convection driven by the motor. In this way, the warm air can be directly felt through the air outlet, but the air flow is disordered, and the spatial temperature layout effect that people need is not achieved. From From the perspective of comfort, from the surface to the height of the human body, there should be a uniform gradient from high temperature to low temperature, so it is best to distribute warm air evenly on the surface, and the temperature gradually decreases through the surface, but traditional heaters cannot meet this requirement.

Contents of the invention

Therefore, the technical problem to be solved in this application is to provide an electric heater, which can improve the airflow organization of the air, improve the uniformity of temperature distribution, and improve user experience.

In order to solve the above problems, the present application provides an electric heater, which includes a housing and a heating device arranged in the housing. The bottom of the housing is provided with a flow guiding device, which guides the air heated by the heat dissipation plate of the heating device. The air heated by the heating device is caused to blow out laterally from the bottom of the housing.

Preferably, the deflector includes a deflector and fan blades, the fan blades are rotatably arranged at the bottom of the casing, and the deflectors are arranged inside the casing to guide the air output from the fan blades.

Preferably, the casing includes two opposite vertical plates, at least one of the vertical plates is provided with a mounting hole, and a bearing seat is disposed in the mounting hole, and the first end of the fan blade is disposed on the bearing seat through a bearing.

Preferably, a drive mechanism is provided on a side of the housing away from the installation hole, and the second end of the fan blade is drive-connected to the drive mechanism.

Preferably, an air outlet is opened on the side wall of the housing on the air outlet side of the fan blade, and a wind sweeping assembly is arranged at the air outlet.

Preferably, the air sweeping assembly includes a left and right sweeping assembly and/or an up and down sweeping assembly.

Preferably, the wind sweeping assembly includes a wind outlet frame, a wind sweep blade and a connecting rod, the wind sweep blade is swingably arranged in the wind outlet frame, and the connecting rod connects the swing ends of the wind sweep blade together.

Preferably, the bottom of the housing is provided with rollers.

Preferably, a filtering device is arranged between the heating device and the flow guiding device, and the filtering device is installed in the housing through a fixing frame.

Preferably, the fixing frame is integrated with the filtering device, and the fixing frame is arranged at the inspection port of the casing.

Preferably, a pull-out installation structure is formed between the fixing bracket and the housing.

Preferably, the side of the fixing frame facing the blade forms an air channel wall of the blade.

Preferably, the blades are cross-flow blades.

Preferably, the heating device is a heating plate, and at least one side plate of the casing corresponding to the heat dissipation surface of the heating plate is a heat dissipation plate.

Preferably, a plurality of heat dissipation holes are opened on the heat dissipation plate.

Preferably, the heating device is an electric heater.

The electric heater provided by this application includes a shell and a heating device arranged in the shell. The bottom of the shell is provided with a guide device, which guides the air heated by the radiator plate, so that the air heated by the heating device flows from the shell The bottom of the body blows out sideways. The electric heater guides the heat generated by the heating device to the bottom of the shell by adding a flow guide device at the bottom of the shell, and blows it out from the bottom of the shell sideways, so that the hot air can be first guided by the flow guide device Under the action, it covers the ground to the maximum extent, and moves upward from the ground to heat the upper space, generating a comfortable airflow organization, thereby improving the uniformity of temperature distribution and improving the user experience.

Description of drawings

FIG. 1 is a schematic diagram of an exploded structure of an electric heater according to an embodiment of the present application;

Fig. 2 is a perspective structural schematic diagram of an electric heater according to an embodiment of the present application;

Fig. 3 is a front structural schematic diagram of an electric heater according to an embodiment of the present application;

Fig. 4 is a side view structural schematic diagram of the electric heater of the embodiment of the present application;

Fig. 5 is a schematic structural view of the radiator plate of the electric heater according to the embodiment of the present application;

FIG. 6 is a schematic perspective view of the three-dimensional structure of the air sweeping assembly of the electric heater according to the embodiment of the present application.

The reference signs are indicated as:

1. Shell; 2. Heating device; 3. Deflector; 4. Fan blade; 5. Vertical plate; 6. Mounting hole; 7. Bearing seat; 8. Driving mechanism; 9. Air outlet; Components; 11. Air outlet frame; 12. Sweeping blades; 13. Connecting rod; 14. Roller; 15. Filter device; 16. Fixing frame; 17. Radiating plate;

Detailed ways

Referring to Fig. 1 to Fig. 6, according to the embodiment of the present application, the electric heater includes a housing 1 and a heating device 2 arranged in the housing 1, the bottom of the housing 1 is provided with a guide device, and the guide device is The air heated by the heating device 2 is guided so that the air heated by the heating device 2 is blown laterally from the bottom of the casing 1 .

The electric heater guides the heat generated by the heating device 2 to the bottom of the housing 1 by adding a guide device at the bottom of the housing 1, and blows it out laterally from the bottom of the housing 1, so that the hot air can first Under the diversion effect of the diversion device, the ground is covered to the maximum extent, and it moves upward from the ground to heat the upper space, creating a comfortable airflow organization, thereby improving the uniformity of temperature distribution and improving the user experience.

The deflector device includes a deflector 3 and a vane 4 , the vane 4 is rotatably arranged at the bottom of the housing 1 , and the deflector 3 is disposed in the housing 1 for guiding the air from the vane 4 . By adding fan blades 4, the electric heater can be provided with an air supply function, thereby expanding the air supply capacity of the electric heater, making the air supply mode of the electric heater no longer single, more diversified, capable of forced convection heat transfer, and improving the electric heating capacity. The air supply capacity of the heating increases the ground air supply distance of the airflow, so that the hot air can spread over a larger area on the ground and then rise up, further improving the air supply comfort.

The above-mentioned fan blades can be axial flow fan blades or cross-flow fan blades, preferably cross-flow fan blades. This is because the cross-flow fan blades have a long strip structure. It is more suitable for evenly laying the heater on the ground. Due to the larger axial length, the spread area is larger, which can form a better carpet-like air supply effect. The above-mentioned fan blades can also be other fan blades with air supply function, as long as it is convenient for the electric heater to form effective forced convection heat transfer.

In this embodiment, the casing 1 includes two opposite vertical plates 5, at least one of the vertical plates 5 is provided with a mounting hole 6, and a bearing seat 7 is arranged in the mounting hole 6, and the first end of the fan blade 4 passes through the The bearing is arranged on the bearing seat 7. The installation hole 6 runs through the vertical plate 5 where it is located, so that the bearing seat 7 can be installed into the installation hole 6 from the outside. When installing the fan blade, the bearing can be placed in the bearing seat 7 first, and the fan blade 4 One end of the shaft extends into the corresponding position of the mounting hole 6, and then the bearing seat 7 is finally installed, so that the installation of the fan blade 4 can be facilitated, and the adverse effect caused by the length limitation of the housing on the installation of the fan blade 4 is avoided.

In order to realize the fixed connection between the bearing seat 7 and the housing 1 conveniently, the bearing seat 7 and the housing 1 may be an interference fit. In order to facilitate the installation and disassembly of the bearing seat 7 on the housing 1, the bearing seat 7 can also be set in a stepped structure, and the installation of the bearing seat 7 on the housing 1 is formed through the cooperation between the stepped structure and the housing 1. At the same time, the bearing seat 7 can be fixedly connected to the housing 1 through bolts or other connecting structures through a stepped structure, so as to realize the detachable connection between the bearing housing 7 and the housing 1, and reduce the installation and disassembly of the bearing housing 7. Difficulty, improve the assembly and disassembly efficiency of the fan blade 4. The above-mentioned bearing seat 7 has a rectangular structure, which can effectively prevent relative rotation of the bearing seat 7 after installation, and improve the stability and reliability of the installation structure of the bearing seat 7 .

A driving mechanism 8 is provided on a side of the casing 1 away from the mounting hole 6 , and the second end of the fan blade 4 is drivingly connected to the driving mechanism 8 . In this embodiment, the driving mechanism 8 is, for example, a motor, and may also be other mechanisms with a rotation driving function. One end of the fan blade 4 connected to the motor is fixed to the drive shaft of the motor by a D-shaped screw, which effectively realizes the rotational drive of the motor and the fan blade 4 .

An air outlet 9 is opened on the side wall of the casing 1 on the air outlet side of the fan blade 4 , and the air sweeping assembly 10 is arranged at the air outlet 9 . The air sweeping assembly can adjust the air supply angle at the bottom of the electric heater, so that the air sweeping assembly can be adjusted to a suitable air supply angle as required, so that the warm air can cover the ground to the maximum extent, thereby generating a comfortable air flow organization.

The wind sweeping assembly 10 includes left and right sweeping wind assemblies and/or up and down wind sweeping assemblies.

In this embodiment, the air sweeping assembly 10 includes an air outlet frame 11, an air sweep blade 12 and a connecting rod 13, the wind sweep blade 12 is swingably arranged in the air outlet frame 11, and the connecting rod 13 controls the swing of the wind sweep blade 12. ends connected together.

The air outlet frame 11 is a square frame structure with two opposite side openings, the wind sweeping blades 12 are arranged in the air outlet frame 11, and the connecting rod 13 connects all the wind sweeping blades 12 together, thereby realizing the sweeping of the wind sweeping blades 12. Overall adjustment of wind angle. The openings on both sides of the air outlet frame 11, one of which is used for air intake, and the other opening is used for air outlet. Adjust the angle of the air outlet.

The sweeping blades 12 here can be adjusted manually. For the convenience of manual adjustment, a lever can be added to the connecting rod 13. On the basis of not increasing the overall volume of the sweeping assembly 10, it can be adjusted by turning the lever. The position of the connecting rod 13 is used to adjust the wind outlet angle of the sweeping blades 12 through the connecting rod 13 .

The wind sweeping blade 12 can also be adjusted electrically, for example, a swing motor is set on the housing 1, and one end of the connecting rod 13 is connected to the swing motor, and the swing position of the connecting rod 13 is conveniently adjusted by the swing motor. Furthermore, the wind outlet angle of the sweeping blades 12 is adjusted.

Preferably, the bottom of the casing 1 is provided with rollers 14 . By adding the roller 14, the working position of the electric heater can be adjusted conveniently, so that the electric heater can be easily shifted, the difficulty of position adjustment is reduced, and the convenience of position adjustment is improved. The roller 14 is, for example, a universal wheel. The bottom of the housing 1 is also provided with a lock wheel mechanism corresponding to the roller 14. The lock wheel mechanism locks the roller 14 after the roller 14 reaches the designated position, so that the electric heater will not be displaced after reaching a suitable position, and the electric heater will be improved. The stability and reliability of heating work. The above-mentioned wheel locking mechanism is, for example, a friction plate with an adjustable position, and the friction plate can be away from or close to the roller 14 .

A filtering device 15 is arranged between the heating device 2 and the flow guide device, and the filtering device 15 is installed in the casing 1 through a fixing frame 16 . By setting the filter device 15 between the heating device 2 and the flow guiding device, the outlet air can be filtered to prevent dust and the like from entering the air outlet duct of the electric heater, causing pollution to the air again, and ensuring the cleanliness of the air.

Preferably, the fixing frame 16 and the filter device 15 are integrally structured, and the fixing frame 16 is arranged at the inspection port of the housing 1, so as to form an easy-to-detach structure, which can facilitate the disassembly and cleaning of the filter screen, and can also facilitate the ventilation. The disassembly and replacement of the leaf 4 will not cause excessive influence on the structure of the electric heater itself. The above-mentioned filter device 15 is, for example, a filter screen, and may also be a high-efficiency filter screen, or other types of filter mechanisms.

Preferably, a pull-out installation structure is formed between the fixing bracket 16 and the housing 1 . By setting the fixed frame 16 and the filter device 15 into an integrated structure, when the filter screen needs to be cleaned, it is only necessary to directly extract the integrated structure formed by the fixed frame 16 and the filter device 15 from the front of the housing 1, The filter screen can be cleaned conveniently, which is convenient for users to clean and maintain. At the same time, when it is necessary to clean the fan blades, after the integrated structure formed by the fixing frame 16 and the filter device 15 is drawn out, the bearing seat 7 only needs to be removed from the housing 1, and then the main shaft screw is withdrawn to be drawn out. Fan blades are convenient for cleaning and maintenance of the fan blades.

Preferably, the side of the fixing frame 16 facing the fan blade 4 forms the air channel wall of the fan blade 4, which can further simplify the air outlet structure, reduce the processing difficulty of the air outlet air channel, and at the same time make the air outlet structure more integrated, without Occupying other structural components, the structure of the fixing frame 16 is more fully utilized, the overall structure is more compact, the structural design is more reasonable, and the space utilization is more sufficient.

In this embodiment, the heating device 2 is a heating plate, and at least one side plate of the casing 1 corresponding to the heat dissipation surface of the heating plate is a heat dissipation plate 17 . The radiating plate 17 can make the electric heater form natural convection, and can dissipate heat conveniently to heat the surrounding air. The electric heater has two heat dissipation methods of natural convection and forced convection. It can not only conduct natural convection through the cooling plate 17, but also can dissipate heat through cross-flow fan blades to perform forced convection heat transfer, which effectively improves heat exchange efficiency and saves energy consumption.

After the air in the room enters the heating device 2 for heat exchange, a part of it is dissipated into the air through the heat dissipation plate 17, so that the temperature of the middle part of the air rises; a part is sent out through the cross-flow fan blades under pressure, and reaches the ground to form a floor heating air layer, so that the ambient temperature increases from The floor gradually lowers to the top to form a comfortable airflow organization and improve the comfort of the human body.

Preferably, a plurality of heat dissipation holes 18 are opened on the heat dissipation plate 17, so as to facilitate heat dissipation and air intake of the heat dissipation plate 17, and improve heat exchange efficiency.

In another embodiment, the heating device 2 is an electric heater. Replace the long heating plate with a compact electric heater to achieve the same heating function, but the space of the whole machine is reduced, which is more convenient for users to place, while retaining the floor heating function, it can also generate a comfortable indoor temperature environment.

A top cover 19 is also included on the top of the housing 1, and the top cover 19 is set between the two heat dissipation plates 17 and the two vertical plates 5, so that the heat dissipation plates and the vertical plates are fixedly connected together, and the electric heating is improved. Connection stability and reliability of the overall structure.

Those skilled in the art can easily understand that, on the premise of no conflict, the above-mentioned advantageous modes can be freely combined and superimposed.

The above are only preferred embodiments of the application, and are not intended to limit the application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the application should be included in the protection scope of the application. Inside. The above are only the preferred embodiments of the present application. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the technical principle of the application. These improvements and modifications should also be It is regarded as the scope of protection of this application.

Claims (16)

1. An electric heater, characterized in that it comprises a housing (1) and a heating device (2) arranged in the housing (1), the bottom of the housing (1) is provided with a guide device, The air guiding device guides the air heated by the heating device (2), so that the air heated by the heating device (2) is blown laterally from the bottom of the casing (1). 2. The electric heater according to claim 1, characterized in that the deflector includes a deflector (3) and fan blades (4), and the fan blades (4) are rotatably arranged on the casing (1) Bottom, the deflector (3) is arranged in the casing (1), and is used to guide the air out of the fan blade (4). 3. The electric heater according to claim 2, characterized in that, the housing (1) comprises two opposite vertical plates (5), and at least one of the vertical plates (5) is provided with an installation hole (6 ), a bearing seat (7) is arranged in the installation hole (6), and the first end of the fan blade (4) is arranged on the bearing seat (7) through a bearing. 4. The electric heater according to claim 3, characterized in that a drive mechanism (8) is provided on the side of the casing (1) away from the installation hole (6), and the fan blade (4) The second end is drivingly connected with the driving mechanism (8). 5. The electric heater according to claim 2, characterized in that, an air outlet (9) is opened on the side wall of the casing (1) located on the air outlet side of the fan blade (4), and the air outlet (9) place is provided with sweeping wind assembly (10). 6. The electric heater according to claim 5, characterized in that, the air sweeping assembly (10) comprises a left and right sweeping assembly and/or an up and down sweeping assembly. 7. The electric heater according to claim 5, characterized in that, the wind sweeping assembly (10) comprises an air outlet frame (11), wind sweeping blades (12) and connecting rods (13), and the wind sweeping blades (12) is swingably arranged in the air outlet frame (11), and the connecting rod (13) connects the swing ends of the sweeping blades (12) together. 8. The electric heater according to claim 1, characterized in that, the bottom of the housing (1) is provided with rollers (14). 9. The electric heater according to claim 2, characterized in that a filtering device (15) is provided between the heating device (2) and the flow guide device, and the filtering device (15) passes through the fixing frame ( 16) Installed in the housing (1). 10. The electric heater according to claim 9, characterized in that, the fixing frame (16) is integrated with the filter device (15), and the fixing frame (16) is arranged on the casing (1 ) inspection port. 11. The electric heater according to claim 10, characterized in that a pull-out installation structure is formed between the fixing frame (16) and the housing (1). 12. The electric heater according to claim 10, characterized in that, the side of the fixing frame (16) facing the fan blade (4) forms an air channel wall of the fan blade (4). 13. The electric heater according to claim 2, characterized in that, the fan blade (4) is a cross-flow fan blade. 14. The electric heater according to any one of claims 1 to 13, characterized in that the heating device (2) is a heating plate, and the housing (1) corresponds to at least the heat dissipation surface of the heating plate One side plate is a cooling plate (17). 15. The electric heater according to claim 14, characterized in that, a plurality of heat dissipation holes (18) are opened on the heat dissipation plate (17). 16. The electric heater according to any one of claims 1 to 13, characterized in that the heating device (2) is an electric heater.