Instant heating type heating module structure

Abstract

The utility model discloses an instant heating type heating module structure, which belongs to the field of instant heating type heating pipes and comprises a shell, a silicon nitride heating pipe is arranged in the shell, an electrode plate is arranged on the outer side of the silicon nitride heating pipe, fixing parts are arranged at two ends of the shell, and sealing sleeves are arranged between the end parts of the silicon nitride heating pipe and the fixing parts. The utility model has a simple structure, and can be used under higher pressure; the electrode plate is arranged on the silver electrode, so that the connection with a lead can be realized; according to the inner and outer wrapping structure of the sealing sleeve at the end face position of the silicon nitride heating pipe, the end face of the sealing sleeve is in close contact with the fixing piece, a three-face contact sealing effect is achieved, and therefore the good sealing effect is achieved, and the annular protrusion on the outer wall of the sealing sleeve is in close contact with the mounting ring at the center position of the fixing piece to form good contact and sealing. Water leakage and electric leakage are avoided, and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the field of instant heating pipes, in particular to an instant heating module structure. Background Art

[0002] Since the instant heating tube can instantly heat water or other liquids to the required temperature, the amount of hot water output is not limited by time, and the heating function does not need to be turned on when not in use, it has the advantages of high thermal efficiency and fast heating speed, so it is widely used in household appliances such as instant hot water dispensers, instant electric water heaters, boilers, etc. At present, there are instant heating elements on the market composed of ceramic semiconductor PTC heating elements, resistance wire heating elements, etc., but due to their complex structure, they are prone to water leakage and electric leakage during use, which poses a safety hazard, and the heating efficiency is not high. Utility Model Content

[0003] The utility model aims to provide an instant heating module structure to solve the problems of the existing instant heating body having a complex structure, low heating efficiency, easy water leakage and electric leakage during use, and potential safety hazards.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses an instant heating module structure, comprising an outer shell, wherein a silicon nitride heating tube is arranged inside the outer shell, an electrode sheet is arranged outside the silicon nitride heating tube, fixing pieces are arranged at both ends of the outer shell, and a sealing sleeve is arranged between the end of the silicon nitride heating tube and the fixing piece.

[0006] Furthermore, a silver paste electrode is arranged on the outer wall of the silicon nitride heating tube, and the electrode sheet is arranged on the silver paste electrode.

[0007] Furthermore, a protrusion is arranged on the outer wall of the sealing sleeve.

[0008] Furthermore, the protrusion is arranged in a ring shape.

[0009] Furthermore, the sealing sleeve is provided with a mounting groove, and the end of the silicon nitride heating tube is arranged in the mounting groove.

[0010] Furthermore, a mounting bracket is provided on the outer side of the fixing member.

[0011] Furthermore, the fixing member and the mounting bracket are sequentially arranged at the ends of the housing and are locked in place by fastening bolts.

[0012] Compared with the prior art, the beneficial technical effects of the utility model are:

[0013] The utility model designs an instant heating module structure based on a silicon nitride ceramic heating tube, which is mainly composed of a silicon nitride heating tube, a fixing part, a shell, a sealing sleeve, etc., and can meet the needs of use under relatively high pressure. The utility model has a simple structure, and the electrode sheet is installed on the silver electrode to achieve connection with the wire. The sealing sleeve has an inner and outer covering structure at the end face of the silicon nitride heating tube, and the end face of the sealing sleeve is in close contact with the fixing part, presenting a three-sided contact sealing effect, thereby achieving a good sealing effect. The annular protrusion on the outer wall of the sealing sleeve is in close contact with the mounting ring at the center of the fixing part, forming good contact and sealing, avoiding water leakage and electric leakage, and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the instant heating module structure of the utility model;

[0016] Figure 2 This is an exploded view of the instant heating module structure of the utility model;

[0017] Figure 3 This is a front view of the instant heating module structure of the utility model;

[0018] Figure 4 for Figure 3 Sectional view in the AA direction;

[0019] Figure 5 This is the front view of the sealing sleeve of the utility model;

[0020] Figure 6 for Figure 5 Cross-sectional view along the BB direction.

[0021] Explanation of the accompanying drawings: 1. Silicon nitride heating tube; 1-1. Silver paste electrode; 2. Electrode sheet; 3. Fixing piece; 3-1. Mounting ring; 4. Sealing sleeve; 4-1. Mounting groove; 4-2. Protrusion; 5. Housing; 6. Mounting bracket; 7. Fastening bolt. DETAILED DESCRIPTION

[0022] like Figure 1-6 As shown, an instant heating module structure includes an outer shell 5, a silicon nitride heating tube 1 is arranged inside the outer shell 5, an electrode sheet 2 is installed on the outer side of the silicon nitride heating tube 1, fixing parts 3 are arranged at both ends of the outer shell 5, and the end of the silicon nitride heating tube 1 is sealed and connected to the fixing part 3 through a sealing sleeve 4; specifically, the electrode sheet 2 is a copper electrode sheet, the fixing part 3 is made of stainless steel, the sealing sleeve 4 is a silicone sealing sleeve, and the outer shell 5 is an aluminum profile shell.

[0023] First, a heating film is prepared on the silicon nitride heating tube, and then a silver paste electrode is applied to the heating tube and then sintered at a high temperature to obtain a silicon nitride heating tube; in this embodiment, three silver paste electrodes 1-1 are arranged on the outer wall of the silicon nitride heating tube 1, and the electrode sheet 2 is installed on the silver paste electrode 1-1 to achieve connection with the wire.

[0024] like Figure 4 , 6 As shown, the sealing sleeve 4 is designed as an inner and outer covering structure at the end surface of the silicon nitride heating tube. The sealing sleeve 4 is provided with a mounting groove 4-1. The end of the silicon nitride heating tube 1 is inserted into the mounting groove 4-1. The sealing sleeve is covered on the inner wall and the outer wall of the silicon nitride heating tube 1. The end surface of the sealing sleeve 4 is in close contact with the fixing member 3, presenting a three-sided contact sealing effect, thereby achieving a good sealing effect; Figure 5 As shown, a protrusion 4-2 is provided on the outer wall of the sealing sleeve 4, and the protrusion 4-2 is arranged in a ring shape. The inner center position of the fixing part 3 is connected with a mounting ring 3-1. The protrusion 4-2 is in close contact with the inner wall of the mounting ring 3-1, and can effectively form a good contact and seal with the stainless steel fixing part 3.

[0025] A mounting bracket 6 is disposed on the outer side of the fixing member 3 to facilitate the installation of the heating module structure. The fixing member 3 and the mounting bracket 6 are sequentially disposed at the end of the housing 5 and are locked in place by fastening bolts 7 .

[0026] The installation process of the utility model is as follows:

[0027] First, install the electrode sheet 2 on the silver paste electrode 1-1, then install the sealing sleeve 4 at the end of the silicon nitride heating tube 1, and install the silicon nitride heating tube 1 in the outer shell 5, then install the fixing part 3 at the end of the outer shell 5, and install the sealing sleeve 4 in the mounting ring 3-1, finally, install the mounting bracket 6 on the outer side of the fixing part 3, and the fastening bolts 7 pass through the mounting holes on the mounting bracket 6 and the fixing part 3 in turn and are threaded on the outer shell 5.

[0028] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. An instant heating module structure, characterized in that: The invention comprises an outer shell (5), wherein a silicon nitride heating tube (1) is arranged inside the outer shell (5), an electrode sheet (2) is arranged outside the silicon nitride heating tube (1), fixing pieces (3) are arranged at both ends of the outer shell (5), and a sealing sleeve (4) is arranged between the end of the silicon nitride heating tube (1) and the fixing piece (3).

2. The instant heating module structure according to claim 1 is characterized in that: A silver paste electrode (1-1) is arranged on the outer wall of the silicon nitride heating tube (1), and the electrode sheet (2) is arranged on the silver paste electrode (1-1).

3. The instant heating module structure according to claim 1 is characterized in that: A protrusion (4-2) is provided on the outer wall of the sealing sleeve (4).

4. The instant heating module structure according to claim 3 is characterized in that: The protrusion (4-2) is arranged in a ring shape.

5. The instant heating module structure according to claim 1 is characterized in that: The sealing sleeve (4) is provided with a mounting groove (4-1), and the end of the silicon nitride heating tube (1) is arranged in the mounting groove (4-1).

6. The instant heating module structure according to claim 1 is characterized in that: A mounting bracket (6) is provided on the outer side of the fixing member (3).

7. The instant heating module structure according to claim 6, characterized in that: The fixing member (3) and the mounting bracket (6) are sequentially arranged at the end of the housing (5) and are locked in place by means of fastening bolts (7).

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