Modularized electric hot-water bag heating body sleeve

Abstract

A modularized electric hot-water bag heating body sleeve comprises a first shell, the first shell is at least provided with a pipe wrapping section and a heat dissipation section, a first cavity is formed in the pipe wrapping section and used for containing a heating body, and the heat dissipation section and the pipe wrapping section make contact with each other and achieve heat transfer; the second shell is at least provided with a heat conduction section and a detection section, a second cavity is formed in the detection section and used for containing the temperature controller, and the heat conduction section and the heat dissipation section make contact with each other and achieve heat transfer; the first shell and the second shell are formed in a split mode, and the heat conduction section and the heat dissipation section are detachably connected and matched so that the first shell and the second shell can be assembled into a whole. According to the utility model, the shell structure formed in a split manner is adopted, so that the process is more simplified, and the yield and the yield are improved; the heat dissipation section and the heat conduction section are matched with each other, the contact area is larger, the heat conduction performance is good, and the heat dissipation section and the heat conduction section can be independently detached and replaced by adopting a detachable connection matching mode.

Description

Technical Field

[0001] This utility model relates to an electric hot water bag component, and more particularly to a modular electric hot water bag heating element sleeve. Background Technology

[0002] A hot water bottle, as the name suggests, is a bag filled with hot water. Modern hot water bottles use an electric heating device to heat the internal medium, eliminating the hassle of filling it with hot water. Therefore, electric hot water bottles are gaining popularity. The most important component of an electric hot water bottle is its heating element, which heats the medium. To protect the heating element and prevent users from directly contacting it and getting burned, most electric hot water bottles on the market have an outer shell around it. Furthermore, for safety reasons, most electric hot water bottles use a temperature control switch inside the outer shell. When the medium inside the hot water bottle reaches a certain temperature, the temperature control switch automatically cuts off the circuit to prevent the temperature from rising further, thus avoiding burns caused by the medium's temperature continuously increasing.

[0003] Existing technology example 1, referring to patent document CN220385274U, relates to a hot water bag heating element with more accurate temperature monitoring, including a shell, a heating tube, and a temperature control component; the shell has a heating cavity inside, and the shell has several heat dissipation holes communicating with the heating cavity; the heating tube is installed inside the shell, and at least partially located within the heating cavity; the temperature control component is disposed inside the shell for detecting water temperature; the shell also has a temperature sensing area, and the temperature control component is installed within the temperature sensing area; the temperature sensing area communicates with the heating cavity through a temperature sensing port; a temperature sensing gap exists between the temperature control component and the surface of the heating tube, and a heat-conducting fluid exists in the temperature sensing gap. The structure provided in technology example 1 is the most common solution for heating tube protection structure currently on the market, that is, having a plastic shell, and installing the heating tube and temperature controller inside the plastic shell. The common problems are: the heat conduction structure between the heating element and the thermostat is not direct enough, resulting in a certain error in temperature monitoring and a monitoring delay. This means that the water temperature detected by the thermostat is lower than the actual water temperature, which in turn causes the water temperature to exceed the safe water temperature threshold, posing a risk of scalding. In addition, the heat conductor needs to be molded and installed separately, making the production process more complicated. Furthermore, its plastic shell is one-piece, so its shape and internal space are unique, which cannot meet the installation and use requirements of multiple specifications of thermostats and / or heating elements. This means that the plastic shell needs to be produced in multiple molds for specific purposes, which increases costs.

[0004] Existing technology example 2, referring to patent document CN113558854A, discloses an anti-dry-burning heating element for an electric hot water bag, including a heating tube with an outer aluminum die-cast coating layer; the heating tube is bent into a W-shaped structure; a thermostat mounting base is integrally formed on the coating layer; several bi-directional through-holes are formed on the coating layer; the thermostat mounting base is located near the high-temperature point in the middle of the coating layer; heat-conducting ribs connected to the thermostat mounting base are provided on both sides of the high-temperature point in the middle of the coating layer; the thickness of the coating layer is 1.2-1.35 mm; an outer shell consisting of a mesh cover and a lower mesh cover is fastened to the outside of the heating tube. This provides a good heat conduction structure between the heating tube and the thermostat, resulting in more sensitive temperature control, better anti-dry-burning effect, preventing the heating element from burning out, and preventing the outer layer of the electric hot water bag from burning out, thus improving product safety, quality, and performance. However, there are also some drawbacks, such as: 1. The patina layer of aluminum die casting is a single piece, so its shape and internal space are unique, which cannot meet the installation and use requirements of multiple specifications of thermostats and / or heating elements. That is, it is necessary to make multiple molds to produce plastic shells, which leads to increased costs; 2. The patina layer has many structures, and the single-piece structure will greatly increase the processing and forming difficulty of aluminum die casting.

[0005] Based on the aforementioned deficiencies of the existing technology, this application proposes a solution. Summary of the Invention

[0006] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a modular electric hot water bag heating element sleeve.

[0007] The technical solution of this utility model to solve its technical problem is: a modular electric hot water bag heating element sleeve, comprising:

[0008] The first housing has at least a tubing section and a heat dissipation section, wherein the tubing section has a first cavity for accommodating a heat-generating element, and the heat dissipation section and the tubing section are in contact with each other to achieve heat transfer.

[0009] The second housing has at least a heat-conducting section and a detection section, wherein the detection section has a second cavity for accommodating a temperature controller, and the heat-conducting section and the heat-dissipating section are in contact with each other to achieve heat transfer.

[0010] The first and second housings are formed separately, and the heat-conducting section and the heat-dissipating section are detachably connected to each other so that the first and second housings can be assembled into one unit.

[0011] It is worth mentioning that there are multiple first shells and second shells with different shapes, and any one of the first shells can be assembled with any one of the second shells into one unit.

[0012] In one of the optional structural solutions disclosed herein, the heat-conducting section is fixed to the heat dissipation section by riveting.

[0013] In one of the optional structural solutions disclosed herein, both the heat-conducting section and the heat-dissipating section are provided with threaded holes, and threaded fasteners are inserted into the threaded holes so that the heat-conducting section and the heat-dissipating section form a threaded connection.

[0014] In one of the optional structural solutions disclosed herein, the heat-conducting section has a first magnet, and the heat-dissipating section has a second magnet, wherein the first magnet and the second magnet attract each other so that the heat-conducting section and the heat-dissipating section are attracted together.

[0015] In one of the optional structural solutions disclosed herein, the heat-conducting section is welded to the heat-dissipating section by solder.

[0016] The preferred structure of the detection section is that the detection section has a closed end and an open end, and the open end is connected to the second cavity;

[0017] The lower end of the second cavity is bent inward to form a constricted sidewall, which can abut against the thermostat and form a limiting and anti-detachment fit.

[0018] The preferred structure of the heat-conducting section is that the heat-conducting section includes a vertical part and a horizontal part, the vertical part is attached to the heat dissipation section, and the horizontal part is attached to the detection section.

[0019] In some preferred embodiments of this utility model, the top of the second cavity is provided with several protrusions facing downwards;

[0020] When the thermostat enters or exits the second cavity, the protrusion contacts the thermostat and forms an interference fit;

[0021] When the thermostat is located in the second cavity, the thermostat abuts against the side of the protrusion and forms a limiting fit.

[0022] In this invention, both the first and second housings are made of aluminum alloy and formed by die casting.

[0023] The beneficial effects of this utility model are as follows:

[0024] First, it adopts a split-shell structure (first shell and second shell), which simplifies the processing and molding process and helps to improve the yield and output.

[0025] Second, the first chamber provides space for the installation of the heating element, and the second chamber provides space for the installation of the temperature controller, realizing the function of partitioned installation, and then they are combined into one unit to meet the usage requirements.

[0026] Third, the first and second housings are detachably connected, so that if either housing malfunctions, it can be disassembled and replaced individually, reducing production and maintenance costs.

[0027] Fourth, the heat dissipation section and the heat conduction section work together to form a larger contact area, which can directly transfer the heat generated by the heating element in the first shell to the thermostat in the second shell. Therefore, the temperature control is more sensitive, the anti-dry burning effect is better, and the heating element is prevented from being burned out, which improves the safety of the product and also improves the quality of the product.

[0028] Fifth, the structure disclosed herein achieves modularization of the housing. Each type of first housing can be adapted to a heating element of a certain specification, and each type of second housing can be adapted to a thermostat of a certain specification. Therefore, when different first and second housings are connected and combined, the installation requirements of heating elements and thermostats of corresponding specifications can be met, the accessory commonality rate is higher, and thus the production and storage costs of manufacturers are reduced. Attached Figure Description

[0029] Figure 1 This is an assembly diagram of the present invention.

[0030] Figure 2 This is an exploded view of this utility model.

[0031] Figure 3 This is a schematic diagram of the structure from the outside view of the second shell.

[0032] Figure 4 This is a schematic diagram of the structure from the inside view of the second shell.

[0033] Figure 5 This is a schematic diagram of the first shell structure.

[0034] Figure 6 This is a structural cross-sectional view of Scheme 1 in Embodiment 2.

[0035] Figure 7 This is a structural cross-sectional view of Scheme 2 in Embodiment 2.

[0036] Figure 8 This is a structural cross-sectional view of Scheme 3 in Embodiment 2.

[0037] In the diagram: 1. First housing; 11. Tubing section; 111. First cavity; 12. Heat dissipation section; 2. Second housing; 21. Heat conduction section; 211. Vertical part; 212. Horizontal part; 22. Detection section; 221. Closed end; 222. Open end; 223. Second cavity; 2231. Closing sidewall; 2232. Protrusion; 3. Heating element; 4. Temperature controller; 5. Rivet; 61. First magnet; 62. Second magnet; 71. Threaded hole; 72. Threaded fastener. Detailed Implementation

[0038] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments are merely specific descriptions of the present invention, and their purpose is to enable those skilled in the art to better understand the technical solution of the present invention, and should not be regarded as limitations on the present invention.

[0039] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0041] Example 1

[0042] Reference Figures 1 to 8A modular electric hot water bag heating element 3 sleeve includes: a first shell 1, having at least a tubing section 11 and a heat dissipation section 12, wherein the tubing section 11 has a first cavity 111 for accommodating the heating element 3, and the heat dissipation section 12 is in contact with the tubing section 11 to achieve heat transfer; a second shell 2, having at least a heat-conducting section 21 and a detection section 22, wherein the detection section 22 has a second cavity 223 for accommodating a thermostat 4, and the heat-conducting section 21 is in contact with the heat dissipation section 12 to achieve heat transfer; the first shell 1 and the second shell 2 are separately formed, and the heat-conducting section 21 and the heat dissipation section 12 form a detachable connection so that the first shell 1 and the second shell 2 can be assembled into one unit.

[0043] The above content is the basic structural solution provided by this utility model. Compared with the prior art, its distinguishing features and unique functions are at least as follows: 1. It adopts a split-molded shell structure (first shell 1 and second shell 2), which simplifies the processing and molding process and is conducive to improving the yield and output; 2. The first chamber provides installation space for the heating element 3, and the second chamber 223 provides installation space for the thermostat 4, realizing the function of partitioned installation, and then combining them into one unit to meet the usage requirements; 3. The first shell 1 and the second shell 2 adopt a detachable connection and cooperation method. When any shell has a problem, it can be disassembled and replaced separately, reducing production and maintenance costs; 4. The heat dissipation section 12 and the heat conduction section 21 cooperate with each other, with a larger contact area, which can directly transfer the heat generated by the heating element 3 in the first shell 1 to the thermostat 4 in the second shell 2. Therefore, the temperature control is more sensitive, the anti-dry burning effect is better, and the heating element 3 is prevented from being burned, which improves the safety of the product and also improves the quality of the product.

[0044] Driven by market demand, a single product cannot meet the needs of all electric hot water bags on the market. Therefore, heating elements 3 and thermostats 4 of varying specifications and shapes emerge. Under current technology, each combination requires a separately designed and manufactured matching shell, resulting in high production costs. Furthermore, if manufacturers need to stockpile goods, their costs are even higher. This invention addresses these market shortcomings. The disclosed structural solution also achieves modularity: multiple first shells 1 and second shells 2 of varying shapes are available, and any one first shell 1 can be assembled with any one second shell 2. This modular structure allows each type of first shell 1 to be compatible with a specific specification of heating element 3, and each type of second shell 2 to be compatible with a specific specification of thermostat 4. Therefore, when different first shells 1 and second shells 2 are connected and combined, the installation requirements of corresponding specifications of heating elements 3 and thermostats 4 can be met, resulting in higher accessory compatibility and reducing manufacturers' production and warehousing costs.

[0045] In this invention, both the first shell 1 and the second shell 2 are made of aluminum alloy through die casting. Aluminum alloy has excellent thermal conductivity and a very stable structure, making it suitable as a protective sleeve for the heating element 3. Of course, other metals with good thermal conductivity, such as copper alloy, can also be used, but aluminum alloy is cheaper and therefore has better overall performance.

[0046] Example 2

[0047] As mentioned in Embodiment 1, the heat-conducting section 21 and the heat-dissipating section 12 form a detachable connection. There are various ways to connect the two. Here are a few preferred solutions:

[0048] Option 1: Refer to Figure 6 The heat-conducting section 21 is fixed to the heat-dissipating section 12 by riveting with rivets 5. When disassembly is required, the first housing 1 and the second housing 2 can be separated by removing the rivets 5; when reassembly is required, a new rivet 5 is selected and riveted again to reconnect and fix the heat-conducting section 21 and the heat-dissipating section 12.

[0049] Option 2: Refer to Figure 7 Both the heat-conducting section 21 and the heat-dissipating section 12 are provided with threaded holes, into which threaded fasteners are inserted to form a threaded connection between the heat-conducting section 21 and the heat-dissipating section 12. The threaded fasteners are easier to install and remove; they can be rotated in the reverse direction during disassembly and in the forward direction during assembly using a screwdriver. The connection is also more reliable, and the fasteners can be reused.

[0050] Option 3: Refer to Figure 8The heat-conducting section 21 has a first magnet 61, and the heat-dissipating section 12 has a second magnet. The first magnet 61 and the second magnet attract each other, so that the heat-conducting section 21 and the heat-dissipating section 12 are attracted together. The first magnet 61 and the second magnet are preferably made of strong magnetic materials to generate a greater magnetic force. It is difficult to separate the first magnet 61 and the second magnet under non-human external force, so it can provide sufficient stability when connected, and repeated disassembly and assembly do not require the consumption of parts (the rivet 5 connection requires the consumption of parts).

[0051] Option 4: The heat-conducting section 21 is welded to the heat-dissipating section 12 by solder. When disassembly is required, the solder can be removed to separate the first housing 1 from the second housing 2; when reassembly is required, a new solder is selected and the heat-conducting section 21 and the heat-dissipating section 12 are reconnected and fixed by welding again.

[0052] The above four solutions are only preferred embodiments of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the concept of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model.

[0053] Example 3

[0054] In this embodiment, a preferred scheme is provided for certain structural sections of the first shell 1 and the second shell 2, as shown in the following figure. Figures 1 to 8 The details are as follows:

[0055] 1. Detection section 22: The detection section 22 has a closed end 221 and an open end 222. The open end 222 is connected to the second cavity 223. The thermostat 4 enters and exits the second cavity 223 through the open end 222, and the thermostat 4 can abut against the closed end 221, which means that the thermostat 4 is installed in place.

[0056] Furthermore, the lower end of the second cavity 223 is bent inward to form a constricted sidewall 2231, which abuts against the thermostat 4 and forms a limiting and anti-detachment fit. By setting the constricted sidewall 2231, the thermostat 4 can be structurally limited to prevent it from shifting or detaching under force, thus affecting the temperature monitoring effect.

[0057] More preferably, the top of the second cavity 223 is provided with a plurality of protrusions 2232 facing downward; when the thermostat 4 enters or exits the second cavity 223, the protrusions 2232 contact the thermostat 4 and form an interference fit; when the thermostat 4 is located in the second cavity 223, the thermostat 4 abuts against the side of the protrusions 2232 and forms a limiting fit.

[0058] II. Heat-conducting section 21: The heat-conducting section 21 includes a vertical portion 211 and a horizontal portion 212. The vertical portion 211 is in contact with the heat dissipation section 12, and the horizontal portion 212 is in contact with the detection section 22. The synergistic effect of the vertical portion 211 and the horizontal portion 212 enables a larger contact area, resulting in better heat conduction of the heat-conducting section 21, thereby making the monitoring of the temperature controller 4 more sensitive and accurate.

[0059] It is worth noting that other technical solutions of this utility model belong to the prior art and will not be described in detail. The above description is only a preferred embodiment of this utility model. It should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the concept of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A modular electric hot water bag heating element sleeve, characterized by, The utility model relates to a temperature control device, including: First shell (1) at least has the pipe section (11) and the heat dissipation section (12), wherein the pipe section (11) has the first cavity (111) in it, the first cavity (111) is used to accommodate heating body (3), the heat dissipation section (12) and pipe section (11) contact each other and realize heat transfer; Second shell (2) at least has the heat conduction section (21) and the detection section (22), wherein the detection section (22) has the second cavity (223) in it, the second cavity (223) is used to accommodate temperature controller (4), and the heat conduction section (21) and the heat dissipation section (12) contact each other and realize heat transfer; The first shell (1) and the second shell (2) are integrally formed, and the heat conduction section (21) and the heat dissipation section (12) are detachably connected to make the first shell (1) and the second shell (2) into an integrated whole.

2. The modular electric hot water bottle heating element sleeve of claim 1, wherein: The first shell (1) and the second shell (2) are integrally formed, and the heat conduction section (21) and the heat dissipation section (12) are detachably connected to make the first shell (1) and the second shell (2) into an integrated whole.

3. The modular electric hot water bag heating element sleeve of claim 1 or 2, wherein: The heat conduction section (21) is fixed to the heat dissipation section (12) by riveting.

4. The modular electric hot water bag heating element sleeve of claim 1 or 2, wherein: The heat conduction section (21) and the heat dissipation section (12) are provided with threaded holes, and threaded fasteners are inserted into the threaded holes to connect the heat conduction section (21) and the heat dissipation section (12) by screwing.

5. The modular electric hot water bag heating element sleeve of claim 1 or 2, wherein: The heat conduction section (21) is provided with a first magnet (61), and the heat dissipation section (12) is provided with a second magnet, the first magnet (61) and the second magnet attract each other to make the heat conduction section (21) and the heat dissipation section (12) into an integrated whole.

6. The modular electric hot water bag heating element sleeve of claim 1 or 2, wherein: The heat conduction section (21) is integrally formed with the heat dissipation section (12) by welding.

7. The modular electric hot water bottle heating element sleeve of claim 1, wherein: The detection section (22) has a closed end (221) and an open end (222), and the open end (222) is in communication with the second cavity (223). The lower end of the second cavity (223) is inwardly bent to form a tapered side wall (2231), which can abut against the temperature controller (4) and form a limiting and anti-disengagement fit.

8. The modular electric hot water bottle heating element sleeve of claim 1, wherein: The heat conduction section (21) includes a vertical part (211) and a horizontal part (212), the vertical part (211) is attached to the heat dissipation section (12), and the horizontal part (212) is attached to the detection section (22).

9. The modular electric hot water bottle heating element sleeve of claim 1, wherein: The top of the second cavity (223) is provided with a plurality of protrusions (2232). When the temperature controller (4) enters or exits the second cavity (223), the protrusions (2232) contact the temperature controller (4) and form an interference fit. When the temperature controller (4) is located in the second cavity (223), the temperature controller (4) abuts against the side surface of the protrusions (2232) and forms a limiting fit.

10. The modular electric hot water bottle heating element sleeve of claim 1, wherein: The first shell (1) and the second shell (2) are made of aluminum alloy and are formed by die casting.

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