Front heating module

By designing a preheating module that integrates heating elements, adapters, and temperature control switches, and employing nano-thermal films and silver-plated conductive electrodes, the problem of poor compatibility of preheating modules for electric water heaters is solved, achieving rapid heating, stability, and safety, making it suitable for both household and industrial heating equipment.

CN223623109UActive Publication Date: 2025-12-02FOSHAN RUIYANG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422799314.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-12-02
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

Most existing electric water heaters do not have a preheating function for cold water, and the existing preheating modules have poor adaptability and cannot flexibly adapt to different water connection circuits.

Method used

Design a front-heating module including a connector, heating element assembly, right water inlet adapter, left water outlet adapter, and temperature control switch, all integrated on the connector. It uses a nano-thermal film and silver-plated conductive electrodes, and the temperature control switch enables temperature monitoring and automatic adjustment. The heating element body is made of quartz glass or high borosilicate glass and has overheat protection function.

Benefits of technology

It features a compact structural layout for easy installation and maintenance, rapid power supply response, fast heating, flexible water circuit adaptation, ensuring heating temperature stability and safety, and overheat protection to improve heating efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223623109U_ABST
Patent Text Reader

Abstract

The utility model discloses a front heating module. Comprising a connecting base with a connecting cavity, a heating pipe set arranged in the connecting cavity, a right water inlet adapter arranged on the right side of the connecting base and communicated with the heating pipe set, and a left water outlet adapter arranged on the left side of the connecting base and communicated with the heating pipe set. The temperature control switch is arranged on the upper side of the connecting base and used for detecting and controlling the heating temperature of the heating pipe set. The heating pipe set, the water inlet adapter, the water outlet adapter and the temperature control switch are integrated on the connecting base, so that compact layout is achieved, and the installation and maintenance process is simplified; the heating tube group is directly arranged in the connecting cavity and can quickly respond to a power supply and heat; the water inlet adapter and the water outlet adapter are matched for use, so that a flexible pipeline connection mode is provided; and the temperature control switch monitors the temperature in real time and automatically adjusts the power so as to maintain the heating stability and safety and improve the heating efficiency, and has an overheating protection function to ensure the safe use of the equipment.
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Description

Technical Field

[0001] This application relates to the technical field of water heaters, and more particularly to a preheating module. Background Technology

[0002] An electric water heater is a household appliance that can quickly heat water and provide hot water, and it is widely used in daily life.

[0003] An electric water heater typically consists of an electric heating module, an insulated water tank, a temperature control system, and safety protection devices. The electric heating module is the core component of the electric water heater; it is responsible for converting electrical energy into heat energy to heat the water in the tank.

[0004] However, most electric water heaters on the market do not have a preheating function for cold water. Even if a few electric water heaters are designed with a preheating module, they still have poor compatibility and cannot flexibly adapt to different water circuits. Therefore, those skilled in the art urgently need to develop a new preheating module to meet practical application needs. Utility Model Content

[0005] The main purpose of this application is to provide a front-mounted heating module, which aims to solve the above-mentioned technical problems.

[0006] A front-mounted heating module, comprising:

[0007] A connecting seat having a connecting cavity;

[0008] A heating element assembly, located within the connecting cavity, is used for heating by an external power source.

[0009] The right water inlet adapter is located on the right side of the connector and is connected to the heating tube assembly for connecting to an external water source.

[0010] The left water outlet adapter is located on the left side of the connector and is connected to the heating tube assembly for switching the output of heated water.

[0011] A temperature control switch, located on the upper side of the connector, is used to detect and control the heating temperature of the heating element assembly.

[0012] As described above, the front heating module has an upper right opening on the upper right side of the connector that communicates with the connecting cavity, and an upper left opening on its upper left side that communicates with the connecting cavity.

[0013] The heating element assembly includes:

[0014] The heating element has its right end connected to the right water inlet adapter and its left end connected to the left water outlet adapter, and an electric heating film is provided on its outer periphery.

[0015] The right conductor electrode is located on the outside of the right side of the heating tube body and is in contact with the heating film. Its upper side is provided with an upper right connection part located in the upper right opening for connecting an external power source.

[0016] The left conductive electrode is located on the outer left side of the heating tube body and is in contact with the heating film. Its upper side is provided with an upper left connection part located in the upper left opening for connecting an external power source.

[0017] In the aforementioned front-heating module, the electrothermal film is a nano-electrothermal film.

[0018] As described above, the material used to make the nano-electrothermal film in the preheating module is nano-silver.

[0019] As described above, the front heating module has a silver plating layer or a gold plating layer on the inner surface of both the right and left conductive electrodes.

[0020] In the front-heating module described above, the temperature control switch is located between the right conductive electrode and the left conductive electrode.

[0021] As described above, the front heating module has two temperature control switches.

[0022] As described above, the front heating module has a water inlet channel on the right water inlet adapter, a right front connecting external thread on its front side, and a left protruding connecting part protruding to the left on its left side.

[0023] A right sealing ring for sealing connection is provided between the left convex connecting part and the right side of the heating tube body;

[0024] The left water outlet adapter is provided with a water outlet channel, and its front side is provided with a left front connecting external thread, and its right side is provided with a right protruding connecting part.

[0025] A left sealing ring for sealing connection is provided between the right protruding connecting part and the left side of the heating tube body.

[0026] As described above, the front heating module further includes a water temperature detector disposed on the right water inlet adapter and extending into the water inlet channel for detecting the water inlet temperature.

[0027] As described above, the heating element of the preheating module is made of quartz glass, borosilicate glass, or ceramic.

[0028] Compared with the prior art, the above application has the following advantages:

[0029] 1. The front-mounted heating module of this application integrates the heating element assembly, the right water inlet adapter, the left water outlet adapter, and the temperature control switch onto the connector, achieving a compact structural layout that facilitates installation and maintenance. Furthermore, by placing the heating element assembly directly within the connecting cavity, it can quickly respond to external power supply and rapidly generate heat, thus achieving rapid heating. The right water inlet adapter and the left water outlet adapter work together to flexibly adapt to the connected water pipes. The temperature control switch then monitors the temperature of the heating element assembly in real time and automatically adjusts the heating power according to the set temperature range, ensuring the stability and safety of the heating temperature. This not only improves heating efficiency but also provides overheat protection; when the temperature exceeds the safety threshold, the power is automatically cut off to prevent overheating and ensure safe operation.

[0030] 2. The front-heating module of this application has a wide market application prospect due to its compact design and efficient heating capacity, and it can also be flexibly applied to a variety of occasions, such as household water heaters and industrial heating equipment. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a perspective view of the front-mounted heating module of this application.

[0033] Figure 2 This is an exploded view of the front heating module of this application.

[0034] Figure 3 This is a cross-sectional view of the front heating module of this application.

[0035] Figure 4 This is a perspective view of the connector in the front heating module of this application.

[0036] Figure 5 This is a cross-sectional view of the heating tube assembly described in the front heating module of this application.

[0037] Figure 6 for Figure 5 Local magnification Figure I .

[0038] Figure 7 This is an exploded view of the right water inlet adapter described in the front heating module of this application.

[0039] Figure 8 This is an exploded view of the left water outlet adapter described in the front heating module of this application. Detailed Implementation

[0040] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0041] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0042] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0043] In one embodiment of this application, as Figures 1 to 8 As shown, a front-heating module includes a connector 1, a heating element assembly 2, a right water inlet adapter 3, a left water outlet adapter 4, and a temperature control switch 5.

[0044] Specifically, the connecting seat 1 has a connecting cavity 101; the heating tube assembly 2 is located in the connecting cavity 101 and is used for heating by an external power source; the right water inlet adapter 3 is located on the right side of the connecting seat 1 and is connected to the heating tube assembly 2, and is used for connecting to an external water source; the left water outlet adapter 4 is located on the left side of the connecting seat 1 and is connected to the heating tube assembly 2, and is used for connecting to output heated water; the temperature control switch 5 is located on the upper side of the connecting seat 1 and is used to detect and control the heating temperature of the heating tube assembly 2.

[0045] This application's front-mounted heating module integrates the heating element assembly 2, the right water inlet adapter 3, the left water outlet adapter 4, and the temperature control switch 5 onto the connecting base 1, achieving a compact structural layout that facilitates installation and maintenance. Furthermore, by directly placing the heating element assembly 2 within the connecting cavity 101, it can quickly respond to external power supply and rapidly generate heat, thus achieving rapid heating. The right water inlet adapter 3 and the left water outlet adapter 4 work together to flexibly adapt to the connected water pipes. The temperature control switch 5 then monitors the temperature of the heating element assembly 2 in real time and automatically adjusts the heating power according to the set temperature range, ensuring the stability and safety of the heating temperature. This not only improves heating efficiency but also provides overheat protection; when the detected temperature exceeds the safety threshold, it automatically cuts off the power to prevent overheating and ensure safe operation.

[0046] The front-mounted heating module of this application has broad market application prospects due to its compact design, efficient heating capacity, and flexible applicability to various occasions, such as household water heaters and industrial heating equipment.

[0047] Furthermore, the upper right side of the connecting seat 1 is provided with an upper right opening 102 that communicates with the connecting cavity 101, and the upper left side is provided with an upper left opening 103 that communicates with the connecting cavity 101.

[0048] The heating tube assembly 2 includes a heating tube body 21, a right conductive electrode 22, and a left conductive electrode 23;

[0049] The right end of the heating tube 21 is connected to the right water inlet adapter 3, and its left end is connected to the left water outlet adapter 4. An electric heating film 211 is provided on its outer periphery. The electric heating film 211 on the outer wall of the heating tube 21 can quickly respond to changes in current, thereby improving heat transfer efficiency, achieving rapid heating, reducing heat loss, and thus improving the overall heating efficiency.

[0050] The right conductive electrode 22 is located on the outer right side of the heating tube 21 and is in contact with the heating film 211. Its upper side has an upper right connection portion 221 located within the upper right opening 102 for connecting to an external power source. The left conductive electrode 23 is located on the outer left side of the heating tube 21 and is in contact with the heating film 211. Its upper side has an upper left connection portion 231 located within the upper left opening 103 for connecting to an external power source. This application forms a closed circuit with the right conductive electrode 22 and the left conductive electrode 23, together with the heating tube 21 covered by the heating film 211, thereby meeting the requirement for heating upon power connection.

[0051] Furthermore, the electrothermal film 211 is a nano-electrothermal film. The preferred material for the nano-electrothermal film is nano-silver. Its advantages lie in the fact that nano-silver not only has outstanding electrical conductivity, but also features rapid heating, energy saving, high stability, and long service life.

[0052] Furthermore, both the inner surfaces of the right conductive electrode 22 and the left conductive electrode 23 are provided with a silver plating layer, or both are provided with a gold plating layer; preferably, a silver plating layer is preferred, as the advantage of silver is that it has outstanding conductivity and is cheaper than gold.

[0053] Furthermore, the temperature control switch 5 is located between the right conductive electrode 22 and the left conductive electrode 23. Its advantage lies in the ability to monitor the temperature of the heating element assembly 2 in real time via the temperature control switch 5, and automatically adjust the heating power according to the set temperature range, ensuring the stability and safety of the heating temperature. This not only improves heating efficiency but also provides overheat protection; when the temperature exceeds the safety threshold, the power supply is automatically cut off to prevent overheating and ensure safe operation.

[0054] Furthermore, there are two temperature control switches 5. This is to achieve dual detection switch control and avoid the inability to monitor and shut down the device if only one temperature control switch 5 fails.

[0055] Furthermore, the right water inlet adapter 3 is provided with a water inlet channel 31, and its front side is provided with a right front connecting external thread 32, and its left side is provided with a left protruding connecting part 33 protruding to the left.

[0056] A right sealing ring 34 for sealing connection is provided between the left convex connecting part 33 and the right side of the heating tube body 21;

[0057] The left water outlet adapter 4 is provided with a water outlet channel 41, and its front side is provided with a left front connecting external thread 42, and its right side is provided with a right protruding connecting part 43.

[0058] A left sealing ring 44 is provided between the right protruding connecting part 43 and the left side of the heating tube body 21 for sealing connection.

[0059] This application uses the right water inlet adapter 3 and the left water outlet adapter 4 together to achieve flexible adaptation to the connected water pipes, thereby greatly improving the practicality and applicability of this application.

[0060] Furthermore, the preheating module also includes a water temperature detector 6 mounted on the right water inlet adapter 3 and extending into the water inlet channel 31 for detecting the water inlet temperature. Its advantage is that the water temperature detector 6 can collect the water inlet temperature in real time; if the water inlet temperature is high, there is no need to preheat the water.

[0061] Furthermore, the heating element 21 is made of quartz glass, borosilicate glass, or ceramic, preferably quartz glass. Quartz glass has the advantages of high temperature resistance, high dielectric strength, and low coefficient of thermal expansion, making it very suitable for the application requirements of the heating element 21.

[0062] The above description is one implementation method provided in conjunction with specific content, and does not imply that the specific implementation of this application is limited to these descriptions. Any methods or structures that are similar to or identical to those of this application, or any technical deductions or substitutions made based on the concept of this application, should be considered within the scope of protection of this application.

Claims

1. A front-mounted heating module, characterized in that, include: A connecting seat (1) has a connecting cavity (101) thereon; Heating tube assembly (2), which is located in the connecting cavity (101), is used for heating by an external power supply; The right water inlet adapter (3) is located on the right side of the connector (1) and is connected to the heating tube assembly (2) for connecting to an external water source; The left water outlet adapter (4) is located on the left side of the connector (1) and is connected to the heating tube assembly (2) for switching the output of heated water. A temperature control switch (5) is located on the upper side of the connector (1) and is used to detect and control the heating temperature of the heating tube assembly (2); The connecting seat (1) has an upper right opening (102) on its upper right side that communicates with the connecting cavity (101), and an upper left opening (103) on its upper left side that communicates with the connecting cavity (101). The heating tube assembly (2) includes: The heating tube (21) has its right end connected to the right water inlet adapter (3) and its left end connected to the left water outlet adapter (4), and an electric heating film (211) is provided on its outer periphery. The right conductor electrode (22) is located on the outside of the right side of the heating tube body (21) and is in contact with the heating film (211). It has an upper right connection part (221) located in the upper right opening (102) for connecting to an external power source. The left guide electrode (23) is located on the outer left side of the heating tube body (21) and is in contact with the heating film (211). It has an upper left connection part (231) located in the upper left opening (103) for connecting to an external power source.

2. The front-heating module according to claim 1, characterized in that, The electrothermal film (211) is a nano-electrothermal film.

3. The front-heating module according to claim 2, characterized in that, The nano-electrothermal film is made of nano-silver.

4. The front-heating module according to claim 1, characterized in that, Both the inner surfaces of the right conductive electrode (22) and the left conductive electrode (23) are provided with a silver plating layer or a gold plating layer.

5. The front-heating module according to claim 1, characterized in that, The temperature control switch (5) is located between the right guide electrode (22) and the left guide electrode (23).

6. The front-heating module according to claim 5, characterized in that, The number of temperature control switches (5) is 2.

7. The front-heating module according to claim 1, characterized in that, The right water inlet adapter (3) has a water inlet channel (31), and its front side has a right front connecting external thread (32), and its left side has a left protruding connecting part (33) protruding to the left. A right sealing ring (34) for sealing connection is provided between the left convex connecting part (33) and the right side of the heating tube body (21); The left water outlet adapter (4) is provided with a water outlet channel (41), and its front side is provided with a left front connecting external thread (42), and its right side is provided with a right protruding connecting part (43). A left sealing ring (44) for sealing connection is provided between the right protruding connecting part (43) and the left side of the heating tube body (21).

8. The front-heating module according to claim 7, characterized in that, The front heating module also includes a water temperature detector (6) located on the right water inlet adapter (3) and extending into the water inlet channel (31) for detecting the water inlet temperature.

9. The front-heating module according to claim 1, characterized in that, The heating tube (21) is made of quartz glass, borosilicate glass, or ceramic.