An anti-scaling electric heater

Abstract

The utility model discloses an anti-scaling electric heater, which belongs to the technical field of electric heaters and solves the problem that the existing device can only stir the scale in the water body, is difficult to clean the scale attached to the surface of the electric heating tube, and the scale easily reduces the heating efficiency of the electric heating tube. The utility model comprises an outer shell, an electric heating element is arranged inside the outer shell, a sewage pipe is arranged at the bottom of the outer shell, and a descaling component is also arranged inside the outer shell. The threaded rod is driven to rotate by a motor, and the threaded rod and the limit rod are arranged so that the descaling plate can only move back and forth along the length direction of the threaded rod, and then the scale attached to the surface of the electric heating tube is scraped off by the descaling plate, and the scale attached to the inner wall of the outer shell is scraped off by the brush sheet. When the descaling plate moves back and forth, the water body inside the outer shell can be stirred to prevent the scale in the water body from being deposited at the bottom of the outer shell, which is beneficial to improving the heating efficiency of the electric heating tube and avoiding the scale from being deposited inside the outer shell.

Description

Technical Field

[0001] The utility model relates to the technical field of electric heaters, in particular to an anti-scaling type electric heater. Background Art

[0002] Electric heaters can heat water. The water flows along the specific heat exchange channel inside the electric heating container, using the path designed based on the principles of fluid thermodynamics, to carry away the high-temperature heat energy generated by the electric heating element during operation, thereby increasing the temperature of the heated water. Finally, the water is discharged through the outlet of the electric heater.

[0003] After searching, the application with patent number 202221423321.9 discloses an anti-scaling electric heater, including a shell and a stirring unit; the shell: the inner arc surface of the shell is provided with a heat preservation sleeve, the interior of the heat preservation sleeve is provided with an inner liner, the left end of the inner liner is provided with a support plate, the mounting hole on the right side of the support plate is provided with evenly distributed electric heating tubes, the left side of the support plate is provided with a heat preservation plate, the left end of the shell is provided with a support shell, and the input end of the electric heating tube is electrically connected to the output end of the external control switch group; the stirring unit: arranged on the left side of the support shell, the right end of the stirring unit extends to the interior of the inner liner, the middle part of the stirring unit is rotatably connected to the support plate, and the stirring unit includes a support shaft and a spiral blade;

[0004] Although the anti-scaling electric heater can stir the water body through the spiral blades to promote the discharge of precipitates and can adsorb and clean the residual precipitates, the spiral blades of the anti-scaling electric heater can only stir the scale in the water body and it is difficult to clean the scale attached to the surface of the electric heating tube. The scale can easily reduce the heating efficiency of the electric heating tube.

[0005] Therefore, we propose an anti-scaling type electric heater. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides an anti-scaling electric heater, which solves the problem that the prior art devices can only stir the scale in the water body, but are difficult to clean the scale attached to the surface of the electric heating tube, and the scale easily reduces the heating efficiency of the electric heating tube.

[0007] To achieve the above purpose, the utility model is implemented by the following technical solutions: an anti-scaling electric heater, comprising an outer shell, an electric heating element is arranged inside the outer shell, the electric heating element comprises a support plate, the support plate is fixedly mounted on the left side of the inner wall of the outer shell, the right side wall of the support plate is fixedly mounted with evenly distributed electric heating pipes, and a sewage pipe is arranged at the bottom of the outer shell;

[0008] A descaling component is also provided inside the outer shell;

[0009] The descaling assembly includes a motor fixedly mounted on one side of the left side wall of the outer shell, the output end of the motor extends to the interior of the outer shell and passes through a support plate and is fixedly connected to one end of a threaded rod, the outer surface of the threaded rod is threadedly sleeved with a descaling disc, the arc surface of the descaling disc is fixedly mounted with a brush, and the descaling disc is movably sleeved on the outer surface of the electric heating tube.

[0010] Preferably, the other end of the threaded rod is rotatably mounted on the right side of the inner wall of the outer shell through a bearing ring, and the side of the descaling plate away from the threaded rod is movably mounted on the outer surface of the limiting rod, and the two ends of the limiting rod are respectively rotatably mounted on the support plate and the inner wall of the outer shell through bearing rings, wherein the descaling plate can be limited by the limiting rod and the threaded rod, and when the threaded rod rotates, the descaling plate can be driven to translate along the length direction of the threaded rod and the brush sheet, thereby scraping off the scale attached to the surface of the electric heating tube.

[0011] Preferably, the side of the brush sheet away from the descaling disc is in contact with the inner wall of the outer shell, and the bristles on the brush sheet are made of soft steel wire material, wherein the scale attached to the inner wall of the outer shell can be cleaned off by the brush sheet.

[0012] Preferably, the input ends of the motor and the electric heating tube are connected to an external power source through wires, wherein the electric heating tube can be heated by providing power to the motor and communicating with the electric heating tube through the power source.

[0013] Preferably, there are two drain pipes in total, and the two drain pipes are symmetrically distributed at both ends of the bottom of the outer shell, and electromagnetic valves are fixedly installed on the two drain pipes. When the descaling component scrapes off the scale on the inner wall of the outer shell and the electric heating tube, the scale will be pushed to the two ends of the inside of the outer shell by the descaling plate. Opening the electromagnetic valve can allow the scale to be discharged through the drain pipe.

[0014] The utility model provides an anti-scaling electric heater, which has the following beneficial effects:

[0015] The anti-scaling electric heater drives the threaded rod to rotate by a motor, and the threaded rod and the limit rod are arranged so that the descaling disc can only move back and forth along the length direction of the threaded rod, and then the scale attached to the surface of the electric heating tube is scraped off by the descaling disc, and the scale attached to the inner wall of the outer shell is scraped off by the brush. The scraped scale will be pushed to the two ends of the outer shell by the descaling disc and the brush, and the descaling disc can stir the water inside the outer shell when it moves back and forth to prevent the scale in the water from settling on the bottom of the outer shell, thereby achieving the purpose of facilitating the cleaning of the scale on the electric heating tube, which is beneficial to improving the heating efficiency of the electric heating tube and preventing the scale from settling inside the outer shell, thereby solving the problem that the existing device can only stir the scale in the water, but is difficult to clean the scale attached to the surface of the electric heating tube, and the scale easily reduces the heating efficiency of the electric heating tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a side view structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the outer shell of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the descaling component of the utility model.

[0020] In the figure: 1. outer shell; 11. drain pipe; 12. electromagnetic valve; 2. electric heating element; 21. support plate; 22. electric heating tube; 3. descaling component; 31. motor; 32. threaded rod; 33. descaling disc; 34. brush; 35. limit rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] like Figure 1-4As shown: it includes an outer shell 1, an electric heating element 2 is arranged inside the outer shell 1, and the electric heating element 2 includes a support plate 21, the support plate 21 is fixedly installed on the left side of the inner wall of the outer shell 1, and the right side wall of the support plate 21 is fixedly installed with evenly distributed electric heating tubes 22, a sewage pipe 11 is arranged at the bottom of the outer shell 1, and a descaling component 3 is also arranged inside the outer shell 1, and the descaling component 3 includes a motor 31 fixedly installed on one side of the left side wall of the outer shell 1, the output end of the motor 31 extends to the inside of the outer shell 1 and passes through the support plate 21 and is fixedly connected to one end of a threaded rod 32, the outer surface of the threaded rod 32 is threadedly sleeved with a descaling disc 33, and the arc surface of the descaling disc 33 is fixedly installed with a brush sheet 34, the descaling disc 33 is movably sleeved on the outer surface of the electric heating tube 22, and the other end of the threaded rod 32 is rotatably sleeved on the right side of the inner wall of the outer shell 1 through a bearing ring, and the side of the descaling disc 33 away from the threaded rod 32 is movably sleeved on the outer surface of the limit rod 35, and both ends of the limit rod 35 The brush 34 is respectively mounted on the support plate 21 and the inner wall of the outer shell 1 through the bearing ring, and the side of the brush sheet 34 away from the descaling disc 33 contacts the inner wall of the outer shell 1. The bristles on the brush sheet 34 are made of soft steel wire material, and the threaded rod 32 is driven by the motor 31 to rotate. Through the arrangement of the threaded rod 32 and the limit rod 35, the descaling disc 33 can only be reciprocated along the length direction of the threaded rod 32, and then the scale attached to the surface of the electric heating tube 22 is scraped off by the descaling disc 33, and the scale attached to the inner wall of the outer shell 1 is scraped off by the brush sheet 34. The scraped scale will be pushed to the two ends of the outer shell 1 by the descaling disc 33 and the brush sheet 34, and the descaling disc 33 can stir the water inside the outer shell 1 when reciprocating, so as to prevent the scale in the water from settling at the bottom of the outer shell 1, so as to achieve the purpose of cleaning the scale on the electric heating tube 22, which is beneficial to improving the heating efficiency of the electric heating tube 22, and at the same time, it is beneficial to avoid the scale from settling inside the outer shell 1.

[0024] Embodiment 2:

[0025] like Figure 1-3 As shown: the input ends of the motor 31 and the electric heating tube 22 are connected to the external power supply through wires, two sewage pipes 11 are provided, and the two sewage pipes 11 are symmetrically distributed at the two ends of the bottom of the outer shell 1, and the two sewage pipes 11 are fixedly installed with electromagnetic valves 12, which are connected to the electric heating tube 22 through the power supply, so that the electric heating tube 22 can be heated. When the descaling component 3 scrapes off the scale on the inner wall of the outer shell 1 and the electric heating tube 22, the scale will be pushed to the two ends of the inner part of the outer shell 1 by the descaling disc 33, and the electromagnetic valve 12 can be opened to discharge the scale through the sewage pipe 11;

[0026] The working principle and use process of the utility model: when the anti-scaling electric heater is in use, external water is injected into the interior of the outer shell 1, and then the electric heating element 2 is energized to heat the water inside the outer shell 1. During the heating process, the motor 31 is started to drive the threaded rod 32 to rotate, and the descaling disc 33 can be limited by the threaded rod 32 and the limiting rod 35, so that the descaling disc 33 can only reciprocate along the length direction of the threaded rod 32, and then the scale attached to the surface of the electric heating tube 22 is scraped off by the descaling disc 33, and the scale attached to the inner wall of the outer shell 1 is scraped off by the brush sheet 34. The scraped scale will be pushed to the two ends of the outer shell 1 by the descaling disc 33 and the brush sheet 34, and the descaling disc 33 can stir the water inside the outer shell 1 when it reciprocates to prevent the scale in the water from settling at the bottom of the outer shell 1, and the solenoid valve 12 is opened to discharge the scale through the sewage pipe 11.

[0027] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An anti-scaling electric heater, comprising an outer shell (1), an electric heating element (2) being arranged inside the outer shell (1), the electric heating element (2) comprising a support plate (21), the support plate (21) being fixedly mounted on the left side of the inner wall of the outer shell (1), and evenly distributed electric heating tubes (22) being fixedly mounted on the right side wall of the support plate (21), and a sewage discharge pipe (11) being arranged at the bottom of the outer shell (1); Features: A descaling component (3) is also provided inside the outer shell (1); The descaling assembly (3) comprises a motor (31) fixedly mounted on a left side wall of the outer shell (1); the output end of the motor (31) extends into the interior of the outer shell (1) and passes through a support plate (21) and is fixedly connected to one end of a threaded rod (32); a descaling disc (33) is threadedly sleeved on the outer surface of the threaded rod (32); a brush sheet (34) is fixedly mounted on the arc surface of the descaling disc (33); and the descaling disc (33) is movably sleeved on the outer surface of the electric heating tube (22).

2. The anti-scaling electric heater according to claim 1, characterized in that: The other end of the threaded rod (32) is rotatably mounted on the right side of the inner wall of the outer shell (1) via a bearing ring, and the side of the descaling plate (33) away from the threaded rod (32) is movably mounted on the outer surface of the limiting rod (35), and the two ends of the limiting rod (35) are rotatably mounted on the support plate (21) and the inner wall of the outer shell (1) via bearing rings.

3. The anti-scaling electric heater according to claim 1, characterized in that: The side of the brush sheet (34) away from the descaling disc (33) contacts the inner wall of the outer shell (1), and the bristles on the brush sheet (34) are made of soft steel wire.

4. The anti-scaling electric heater according to claim 1, characterized in that: The input ends of the motor (31) and the electric heating tube (22) are both connected to an external power source via wires.

5. The anti-scaling electric heater according to claim 1, characterized in that: There are two sewage pipes (11) in total, and the two sewage pipes (11) are symmetrically distributed at two ends of the bottom of the outer shell (1), and electromagnetic valves (12) are fixedly installed on the two sewage pipes (11).

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