Compact marine electric fan heater

By designing a compact marine electric heater and adopting an integrated panel and an arc-shaped bending structure, the problems of difficult processing and low production efficiency caused by the irregular shape of the panel in the existing technology are solved, and the effect of simplifying production and improving efficiency is achieved.

CN223302872UActive Publication Date: 2025-09-05SHANGHAI HENGYUAN MARINE EQUIP
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Patent Information

Application Number
CN202422792346.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-09-05
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

The irregular shape of existing electric heater panels makes processing difficult, requires high precision, and has low production efficiency. In addition, a separate electrical box and fan shroud are required, which increases the complexity of construction.

Method used

A compact marine electric heater is designed, which adopts an integrated front panel and upper panel, eliminates the electrical box and fan deflector, adopts an arc-shaped bending structure, simplifies the panel design, and reduces the sheet metal workload.

Benefits of technology

It improves production efficiency, reduces processing difficulty and precision requirements, and simplifies the construction process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223302872U_ABST
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Abstract

The utility model provides a compact marine electric fan heater which comprises a box body, the box body comprises panels located at the front end and the upper end, side plates located at the left end and the right end, a back plate located at the rear end and a bottom plate located at the lower end, the panels comprise a front panel and an upper panel which are integrally formed, and the front panel and the upper panel are bent in an arc shape. A motor, a double-suction fan and an electric heater are arranged in the box body, the motor drives the double-suction fan and the electric heater, the double-suction fan is provided with double air inlet impellers, the electric heater is provided with a temperature control unit, the electric heater is located at an outlet of the double-suction fan, and the electric heater is electrically connected with the double-suction fan; the electric heater is used for heating air conveyed by the fan, the temperature of a conveyed medium is increased, and the temperature of a cabin on a ship is increased; the structure of the panel of the electric warm air blower is improved, an independent electric appliance box and an independent fan flow guide cover are omitted, the workload of sheet metal operation is reduced, and the production efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric fan heaters, in particular to a compact marine electric fan heater. Background Art

[0002] The panel of the electric heater in the prior art has an irregular shape, see Figure 1 and Figure 2 , and requires separate electrical appliances, 3 and fan guide cover 16, which require multiple sheet metal processing during processing and manufacturing. The construction is difficult and requires high precision, resulting in low production efficiency. In order to improve production efficiency, the appearance of the electric heater needs to be redesigned. The size of the improved electric heater needs to be close to the original design plan, and the function must be guaranteed to meet the crew's use requirements. Summary of the Invention

[0003] The utility model aims to provide a compact marine electric heater.

[0004] In order to achieve the above purpose, the technical solution of the utility model is:

[0005] A compact marine electric heater is characterized in that it includes a box body, the box body includes panels located at the front end and the upper end, side panels located at the left and right ends, a back panel located at the rear end and a bottom plate located at the lower end, the panels include an integrally formed front panel and an upper panel, and the front panel and the upper panel are bent in an arc shape, an electric motor, a double-suction fan and an electric heater are arranged in the box body, the electric motor drives the double-suction fan and the electric heater, the double-suction fan is provided with double air inlet impellers, the electric heater is provided with a temperature control unit, the electric heater is located at the outlet of the double-suction fan, and the electric heater is electrically connected to the double-suction fan.

[0006] Furthermore, a connecting plate is provided at the lower end of the front panel. The connecting plate is bent backward in an arc shape starting from the front panel, and the tail end of the connecting plate is bent upward to be fixed in cooperation with the positioning groove of the bottom plate.

[0007] Furthermore, a main frame is fixedly provided horizontally in the left-right direction in the middle of the side plate, and the electric heater is fixed to the upper end of the main frame.

[0008] Furthermore, the motor and the double-suction fan are both located below the main frame, and the double-suction fan is fixed to the upper end of the base plate.

[0009] Furthermore, front discs are provided on both sides of the double-suction fan, a rear disc is provided in the center of the double-suction fan, and a hub is fixedly provided on the inner side of the rear disc.

[0010] Furthermore, an air inlet grille is provided at the bottom of the box.

[0011] Furthermore, the backboard is fixedly connected to the wall.

[0012] The utility model utilizes an electric heater to heat the air delivered by the fan, thereby increasing the temperature of the delivery medium and is used for heating the cabin on board.

[0013] The utility model improves the structure of the electric heater panel, cancels the separate electrical box and the fan guide cover, reduces the workload of sheet metal operations, and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of an electric heater in the prior art;

[0015] Figure 2 This is a structural diagram of a conventional electric heater panel;

[0016] Figure 1 and Figure 2 Reference numerals:

[0017] 1 panel, 2 side panels, 3 electrical box, 4 bracket, 5 fixing plate, 6 electrical connection board,

[0018] 7 electrical box panel, 8 frame, 9 middle partition, 10 bottom plate, 11 rear cover plate, 12 heater,

[0019] 13 centrifugal fan, 14 motor, 15 motor support, 16 air guide cover;

[0020] Figure 3 This is the front structural diagram of the electric heater of the utility model;

[0021] Figure 4 This is a side structural diagram of the electric heater of the utility model;

[0022] Figure 5 This is the front structural diagram of the panel of the utility model;

[0023] Figure 6 This is a side structural diagram of the panel of the utility model;

[0024] Figure 7 This is the front structural diagram of the double-inlet impeller of the utility model;

[0025] Figure 8 This is a side structural diagram of the double-inlet impeller of the utility model.

[0026] Figures 3 to 8 Reference numerals:

[0027] 17 side panel, 18 motor, 19 main frame, 20 reinforcement frame, 21 electric heater,

[0028] 22 temperature control unit, 23 back plate, 24 double suction fan, 25 air inlet grille, 26 panel,

[0029] 261 front panel, 262 upper panel, 263 connecting plate,

[0030] 27 front disc, 28 blade, 29 rear disc, 30 wheel hub, 31 inner rivet, 32 outer rivet, 33 bottom plate. DETAILED DESCRIPTION

[0031] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0032] The utility model discloses a compact marine electric heater. Figure 3 and Figure 4 As shown, the box includes a panel 26 at the front end and the upper end, side panels 17 at the left and right ends, a back panel 23 at the rear end and a bottom panel 33 at the lower end. The electric heater as a whole can be fixed on the wall through the back panel 23 to reduce the floor space.

[0033] like Figure 3 and Figure 4 As shown, a motor 18, a double-suction fan 24 and an electric heater 21 are provided in the box. The motor 18 drives the double-suction fan 24 and the electric heater 21. The electric heater 21 is located at the outlet of the double-suction fan 24. The electric heater 21 is electrically connected to the double-suction fan 24. When the double-suction fan 24 is running, the electric heater 21 is powered on to generate heat.

[0034] The electric heater 21 is provided with a temperature control unit 22, which can control the heating power of the electric heater 21 and adjust the air outlet temperature to prevent the temperature from being too high. When the air outlet temperature exceeds 75°C, the power is automatically cut off to prevent the equipment from being burned.

[0035] The bottom plate 33 of the box body is provided with an air inlet grille 25. The utility model takes in cool air from the bottom of the electric heater and discharges hot air from the top of the electric heater, which conforms to the air characteristics of hot air above and cold air below, can promote the flow of air in the cabin and accelerate the increase of cabin temperature.

[0036] A main frame 19 is fixed horizontally in the middle of the side panel 17 along the left and right directions. The electric heater 21 is fixed to the upper end of the main frame 19. The motor 18 and the double suction fan 24 are both located below the main frame 19. The double suction fan 24 is fixed to the upper end of the bottom plate 33.

[0037] like Figure 5 and Figure 6As shown, the panel 26 includes an integrally formed front panel 261 and an upper panel 262. The front panel 261 and the upper panel 262 are bent in an arc shape. A connecting plate 263 is provided at the lower end of the front panel 261. The connecting plate 263 starts from the front panel 261 and is bent in an arc shape backward. The tail end of the connecting plate 263 is bent upward and fixed with the positioning groove of the bottom plate 33. The panel 26 of the utility model uses an arc structure to replace the multiple direct bending structures of the prior art panel 1, thereby reducing the workload during production.

[0038] like Figure 7 and Figure 8 As shown, front discs 27 are provided on both sides of the double-suction fan 24, a rear disc 29 is provided in the center of the double-suction fan 24, a hub 30 is fixedly provided on the inner side of the rear disc 29, the hub 30 is fixedly connected to the rear disc 29 by an inner rivet 31, and the blades 28 are fixedly connected to the front disc 27 by an outer rivet 32; the double-suction fan 24 adopts a double air inlet impeller of the above structure, with large air volume and low noise.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A compact marine electric heater, characterized in that: The invention comprises a box body, wherein the box body comprises a panel (26) located at the front end and the upper end, side panels (17) located at the left and right ends, a back panel (23) located at the rear end, and a bottom panel (33) located at the lower end. The panel (26) comprises an integrally formed front panel (261) and an upper panel (262). The front panel (261) and the upper panel (262) are bent in an arc shape. The box body is provided with a motor (18), a double suction fan (24), and an electric heater (21). The motor (18) drives the double suction fan (24) and the electric heater (21). The double suction fan (24) is provided with a double air inlet impeller. The electric heater (21) is provided with a temperature control unit (22). The electric heater (21) is located at the outlet of the double suction fan (24). The electric heater (21) is electrically connected to the double suction fan (24).

2. The compact marine electric heater according to claim 1, characterized in that: A connecting plate (263) is provided at the lower end of the front panel (261). The connecting plate (263) is bent backward in an arc shape starting from the front panel (261). The tail end of the connecting plate (263) is bent upward to be fixed in cooperation with the positioning groove of the bottom plate (33).

3. The compact marine electric heater according to claim 1, characterized in that: A main frame (19) is fixedly provided horizontally in the left-right direction at the middle portion of the side plate (17), and the electric heater (21) is fixed to the upper end of the main frame (19).

4. The compact marine electric heater according to claim 3, characterized in that: The motor (18) and the double-suction fan (24) are both located below the main frame (19), and the double-suction fan (24) is fixed to the upper end of the bottom plate (33).

5. The compact marine electric heater according to claim 1, characterized in that: Front discs (27) are provided on both sides of the double-suction fan (24), a rear disc (29) is provided in the center of the double-suction fan (24), and a wheel hub (30) is fixedly provided on the inner side of the rear disc (29).

6. The compact marine electric heater according to claim 1, characterized in that: An air inlet grille (25) is provided at the bottom of the box.

7. The compact marine electric heater according to claim 1, characterized in that: The back plate (23) is fixedly connected to the wall.