Air duct type electric heater capable of uniformly heating

By adopting a detachable heating tube controller and a screw-driven cleaning plate structure in the duct electric heater, distributed fixation and convenient replacement of the heating tube are achieved, solving the problems of uneven heating and incomplete cleaning, reducing maintenance costs and improving cleaning efficiency.

CN223448659UActive Publication Date: 2025-10-17YANCHENG GUANGMING ELECTRIC HEATING APPLIANCE MFG CO LTD
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Patent Information

Application Number
CN202422909574.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-17
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

The fixed heating tubes in the duct type electric heater result in high maintenance costs, uneven temperature distribution, and inconvenience in cleaning.

Method used

The detachable heating tube controller and screw-driven cleaning plate structure are used to achieve distributed fixation and convenient replacement of the heating tube, and the servo motor drives the cleaning side plate to clean the dust on the side of the heating tube.

Benefits of technology

It reduces maintenance costs, improves heating uniformity and cleaning efficiency, and solves the problems of uneven heating and incomplete cleaning.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223448659U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of air duct type electric heaters, and discloses an air duct type electric heater capable of uniformly heating, which is characterized in that a clamping groove matched with a heating pipe controller in shape is formed in an electric heater main body, and then a heating pipe main body is fixed on the heating pipe controller; a plurality of heating pipe controllers are arranged in the electric heater main body, and the plurality of heating pipe controllers are respectively fixed in the electric heater main body through a sealing top plate, so that the heating pipe main body is arranged in the electric heater main body in a distributed manner. The problems that when one electric heating pipe in the electric heater is damaged, the whole electric heater needs to be replaced, the maintenance cost of the electric heater is increased, meanwhile, the temperature control of the integral electric heating pipe is carried out together, the temperature distribution of the electric heating pipe is easily influenced by the environment, and the heating is uneven are solved.
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Description

TECHNICAL FIELD

[0001] The utility model application relates to the technical field of air duct type electric heater, specifically a kind of air duct type electric heater of uniform heating. BACKGROUND

[0002] Air duct type electric heater is a kind of air heating equipment used in air duct, mainly used in industrial air duct, air conditioning air duct etc., the temperature of output air is improved by heating air, its structure is usually composed of two parts of body and control system, heating element adopts stainless steel pipe to do protection sleeve, inside fills high temperature resistance alloy wire and crystalline magnesium oxide powder, is formed by compression process, control part is composed of adjustable temperature measuring, constant temperature system using advanced digital circuit, integrated circuit trigger, high back pressure thyristor etc., ensure the normal operation of electric heater.

[0003] The heating pipe in the current air duct type electric heater is usually fixed in the electric heater as a whole, so when one electric heating tube in the electric heater is damaged, the entire electric heater often needs to be replaced, which increases the maintenance cost of electric heating, and the temperature control of the overall electric heating tube is together, so the temperature distribution of the electric heating tube is easily affected by the environment, thereby causing uneven heating. SUMMARY

[0004] In order to solve the problem that the heating pipe in the current air duct type electric heater is usually fixed in the electric heater as a whole, so when one electric heating tube in the electric heater is damaged, the entire electric heater often needs to be replaced, which increases the maintenance cost of electric heating, and the temperature control of the overall electric heating tube is together, so the temperature distribution of the electric heating tube is easily affected by the environment, thereby causing uneven heating, the utility model provides a kind of air duct type electric heater of uniform heating to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A kind of air duct type electric heater of uniform heating, including electric heater main body, the electric heater main body inside upper portion is provided with several detachable heating pipe controllers, each heating pipe controller bottom end is fixed with heating pipe main body, the electric heater main body top surface one side is fixed with rotating block, the electric heater main body top surface is provided with sealing top plate, the sealing top plate one end is rotatably connected with rotating block, the sealing top plate end away from rotating block is fixedly connected with electric heater main body by lock catch device.

[0007] Further, two connecting blocks are symmetrically fixed on both sides of the electric heater body, a screw rod is rotationally connected between the two connecting blocks on the same side, a fixed plate is fixed at the bottom end of the electric heater body, a servo motor is fixed on both sides of the fixed plate, the output end of each servo motor is fixedly connected with the screw rod, a cleaning plate is threadedly connected on the screw rod, and a plurality of cleaning side plates are fixed in the cleaning plate.

[0008] Further, the locking device comprises a sealing lock, lock grooves matched with the sealing lock are formed on the electric heater body and the sealing top plate, the sealing lock is rotationally connected above the lock grooves in the sealing top plate, and the sealing lock is fixedly connected with the electric heater body through sealing bolts.

[0009] Further, the heating pipe controller is in the shape of "T", and a clamping groove matched with the heating pipe controller is formed on the top surface of the electric heater body.

[0010] Further, the height of the screw rod is the same as that of the heating pipe body, and the height of the cleaning side plate is the same as that of the cleaning plate.

[0011] Further, the side surface of the cleaning side plate close to the heating pipe body is attached to the heating pipe body, and the outer side surface of the heating pipe body is a soft brush.

[0012] Compared with the prior art, the electric heater has the advantages that:

[0013] 1. In the electric heater, the clamping grooves matched with the heating pipe controllers are formed in the electric heater body, the heating pipe body is fixed on the heating pipe controllers, and the heating pipe controllers are fixed in the electric heater body through the sealing top plate, so that the heating pipe body is distributedly arranged in the electric heater body, each heating pipe controller controls the temperature of the corresponding heating pipe body, the heating pipe in the current air duct type electric heater is fixed in the electric heater as a whole, so that the electric heater needs to be replaced when one electric heating pipe is damaged, the maintenance cost of the electric heating is increased, the temperature control of the overall electric heating pipe is together, the temperature distribution of the electric heating pipe is easily affected by the environment, and the problem of uneven heating is solved.

[0014] 2. In the electric heater, the screw rods are arranged on both sides of the electric heater body, and the cleaning plate is driven to move through the screw rods, so that the cleaning plate drives the cleaning side plates to clean the dust on the side surface of the heating pipe body, the problem that the staff can only clean the front and rear sides of the heating pipe body and cannot comprehensively clean the side surface of the heating pipe body when cleaning the heating pipe body is solved, and the cleaning efficiency of the heating pipe body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only aim to some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 is a schematic diagram of the three-dimensional structure according to an embodiment of the present application;

[0017] Figure 2 is Figure 1 a schematic diagram of the three-dimensional structure in the embodiment shown;

[0018] Figure 3 is Figure 1 a schematic diagram of the three-dimensional structure of the opened structure in the embodiment shown;

[0019] Figure 4 is Figure 1 a schematic diagram of the three-dimensional structure of the partial A structure in the embodiment shown.

[0020] The meanings of the reference numerals in the drawings are as follows: 1, main body of electric heater; 2, heating pipe controller; 3, main body of heating pipe; 4, rotating block; 5, sealing top plate; 6, sealing lock buckle; 7, sealing bolt; 8, connecting block; 9, screw rod; servo motor (10), servo motor; fixed plate (11), fixed plate; cleaning plate (12), cleaning plate; cleaning side plate (13), cleaning side plate. DETAILED DESCRIPTION

[0021] In order to make the application purposes, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings in the embodiments of the present application. Obviously, the embodiments described below are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4The application discloses a heating uniform air duct type electric heater which comprises an electric heater body 1, a plurality of detachable heating pipe controllers 2 are arranged on the top of the electric heater body 1, a heating pipe body 3 is fixed to the bottom end of each heating pipe controller 2, a rotating block 4 is fixed to one side of the top surface of the electric heater body 1, a sealing top plate 5 is arranged on the top surface of the electric heater body 1, one end of the sealing top plate 5 is rotationally connected with the rotating block 4, and the other end of the sealing top plate 5 is fixedly connected with the electric heater body 1 through a lock catch device, so that each heating pipe body 3 is controlled through the heating pipe controller 2.

[0023] Specifically, the lock catch device comprises a sealing lock catch 6, lock grooves matched with the shape of the sealing lock catch 6 are formed in the electric heater body 1 and the sealing top plate 5, the sealing lock catch 6 is rotationally connected with the internal lock grooves of the sealing top plate 5, the sealing lock catch 6 is fixedly connected with the electric heater body 1 through sealing bolts 7, the heating pipe controller 2 is in the shape of T, a clamping groove matched with the shape of the heating pipe controller 2 is formed in the top surface of the electric heater body 1, and the heating pipe controller 2 is conveniently disassembled and assembled.

[0024] As an optimization scheme, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , two connecting blocks 8 are symmetrically fixed to the two sides of the electric heater body 1, a lead screw 9 is rotationally connected between the two connecting blocks 8 on the same side, a fixed plate 11 is fixed to the bottom end of the electric heater body 1, a servo motor 10 is fixed to the two sides of the fixed plate 11, the output end of each servo motor 10 is fixedly connected with the lead screw 9, a cleaning plate 12 is threadedly connected to the lead screw 9, and a plurality of cleaning side plates 13 are fixed in the cleaning plate 12, so that the cleaning side plates 13 clean the two sides of the heating pipe body 3.

[0025] Specifically, the height of the lead screw 9 is the same as the height of the heating pipe body 3, the height of the cleaning side plate 13 is the same as the height of the cleaning plate 12, the side surface of the cleaning side plate 13 close to the heating pipe body 3 is attached to the heating pipe body 3, the outer side surface of the heating pipe body 3 is a soft brush, and the cleaning efficiency of the cleaning side plate 13 is improved.

[0026] Working principle: when one heating pipe body 3 inside the electric heater body 1 is damaged, the sealing lock 6 is opened by opening the sealing bolt 7, so that the limit of the electric heater body 1 is released, so that the worker opens the sealing top plate 5, and then draws out the heating pipe controller 2 on the corresponding heating pipe body 3, so that the worker replaces the corresponding heating pipe body 3, and when the heating temperature of the heating pipe body 3 in different positions is different, the corresponding heating pipe controller 2 is adjusted to make the corresponding heating pipe body 3 stable adjustment, when the dust on the side of the heating pipe body 3 needs to be cleaned, the servo motor 10 is started, the servo motor 10 drives the screw rod 9 to rotate, so that the screw rod 9 drives the cleaning plate 12 to move, and the cleaning plate 12 drives the cleaning side plate 13 to move, so that the cleaning side plate 13 cleans the dust on both sides of the heating pipe body 3.

[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to embrace all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0028] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A duct-type electric heater with uniform heating, comprising an electric heater body (1), characterized in that: A plurality of detachable heating tube controllers (2) are arranged above the interior of the electric heater body (1), and a heating tube body (3) is fixed to the bottom end of each heating tube controller (2). A rotating block (4) is fixed to one side of the top surface of the electric heater body (1), and a sealing top plate (5) is arranged on the top surface of the electric heater body (1). One end of the sealing top plate (5) is rotatably connected to the rotating block (4), and the end of the sealing top plate (5) away from the rotating block (4) is fixedly connected to the electric heater body (1) through a locking device.

2. The duct-type electric heater with uniform heating according to claim 1, characterized in that: Two connecting blocks (8) are symmetrically fixed on both sides of the electric heater body (1), and a screw rod (9) is rotatably connected between the two connecting blocks (8) on the same side. A fixing plate (11) is fixed to the bottom end of the electric heater body (1), and servo motors (10) are fixed on both sides of the fixing plate (11). The output end of each servo motor (10) is fixedly connected to the screw rod (9), and a cleaning plate (12) is threadedly connected to the screw rod (9), and a plurality of cleaning side plates (13) are fixed inside the cleaning plate (12).

3. The duct-type electric heater with uniform heating according to claim 1, characterized in that: The locking device includes a sealing lock (6); the electric heater body (1) and the sealing top plate (5) are both provided with a locking groove that matches the shape of the sealing lock (6); the upper portion of the sealing lock (6) is rotatably connected to the internal locking groove of the sealing top plate (5); and the sealing lock (6) is fixedly connected to the electric heater body (1) via a sealing bolt (7).

4. The duct-type electric heater with uniform heating according to claim 1, characterized in that: The shape of the heating tube controller (2) is "T-shaped", and the top surface of the electric heater body (1) is provided with a slot that matches the shape of the heating tube controller (2).

5. The duct-type electric heater with uniform heating according to claim 2, characterized in that: The height of the screw rod (9) is the same as that of the heating tube body (3), and the height of the cleaning side plate (13) is the same as that of the cleaning plate (12).

6. The duct-type electric heater with uniform heating according to claim 2, characterized in that: The side of the cleaning side plate (13) close to the heating tube body (3) is in contact with the heating tube body (3). The outer side surface of the heating tube body (3) is a soft brush.