Thick film heater

By designing a thick-film heater, including a shell, a thick-film heating element, and a temperature control component, the problems of bulky size, uneven heating, inaccurate temperature control, and difficult installation and maintenance of existing heaters have been solved, achieving a compact structure, complete functions, precise temperature control, and convenient installation.

CN223663507UActive Publication Date: 2025-12-12NINGBO SUNNY ELECTRICAL HEATING APPLIANCES CO LTD
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Patent Information

Application Number
CN202423189265.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-12
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing heaters suffer from problems such as bulky size, uneven heating, inaccurate temperature control, and difficulty in installation and maintenance.

Method used

A thick film heater is designed, including a shell, a thick film heating element, and a temperature control component. A thermal fuse is arranged obliquely along the lower end of the thick film heating element. A corresponding groove is provided in the lower shell. The temperature control component is in direct contact with the heating element through a fixing hole. The wiring connectors and inlet/outlet water connectors are arranged in a reasonable manner. The shell is connected through the fixing hole.

Benefits of technology

This design achieves a compact heater structure with comprehensive functions, improved overheat protection and temperature control accuracy, reduced electromagnetic interference, ensured water flow stability and convenient connection, and lowered maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a thick film heater which comprises a heater body, the heater body comprises a shell, a temperature control assembly and a thick film heating body arranged in the shell, the temperature control assembly comprises a thermal fuse, the thermal fuse is arranged in the shell and is obliquely arranged along the lower end of the thick film heating body, the shell comprises an upper shell body and a lower shell body, and the upper shell body and the lower shell body are arranged in the shell. And a groove corresponding to the thermal fuse is formed in the inner surface of the lower shell. The thick film heater is reasonable in structural design, and the structure and the function are optimized by arranging the heater body comprising the shell, the thick film heating body and the temperature control assembly; the thermal fuse is obliquely arranged along the lower end of the thick film heating body, and a corresponding groove is formed in the lower shell, so that the overheating protection performance is improved; through the arrangement of the thick film heating body and the wiring joint, electromagnetic interference is reduced; water inlet and outlet connectors on the two sides of the heating cavity and matched water inlet and outlet pipes and fixing rings guarantee smooth water flow and stable connection; and the upper shell and the lower shell are fixedly arranged, so that assembly and disassembly are facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of heater especially relates to a thick film heater. BACKGROUND

[0002] In modern industry and life, the application of heating equipment is widespread. However, the existing heater mostly adopts electric heating tube heating, the body is relatively bulky, the limitation is bigger, and there are some deficiencies in performance, structure and safety, for example, uneven heating, inaccurate temperature control, difficult installation and maintenance and other problems. SUMMARY

[0003] The utility model solves the technical problem in the prior art, provides a thick film heater.

[0004] The utility model discloses a technical scheme that solves the above technical problem: a thick film heater, including the heater body, the heater body includes the shell, temperature control component and the thick film heating body arranged in the shell, the temperature control component includes the thermal fuse, the thermal fuse is arranged in the shell and is arranged along the lower end of thick film heating body, the shell includes the upper casing and lower casing, the inner surface of lower casing is provided with the recess that is arranged corresponding with the thermal fuse.

[0005] The effect reached by the above components is that: by setting the heater body including the shell, the thick film heating body and the temperature control component, the integration of heating, temperature control and protection is realized, the structure of the heater is more compact, and the function is more perfect;The thermal fuse in the shell is arranged along the lower end of the thick film heating body, and the inner surface of the lower casing is provided with a recess corresponding thereto. This arrangement effectively utilizes the space, provides a stable mounting position for the thermal fuse, ensures that it can accurately perceive temperature and respond in time when working, thereby improving the overheating protection performance of the heater and enhancing the safety of use.

[0006] Preferably, the upper casing is provided with a first notch and a second notch on both sides, and a fixing opening for fixing the temperature control component is arranged between the first notch and the second notch, and a first fixing hole is arranged on one side of the fixing opening.

[0007] The effect reached by the above components is that: by arranging the first notch and the second notch on both sides of the upper casing, a convenient passage is provided for the lead-out and connection of the line, avoiding the intersection and interference between the lines. The fixing opening for fixing the temperature control component is arranged between the first notch and the second notch, and the first fixing hole is arranged on one side of the fixing opening, so that the temperature control component can be stably installed on the upper casing, improving the stability and reliability of the temperature control component, and facilitating the installation and maintenance operation.

[0008] Preferably, the temperature control assembly further comprises a temperature controller, the temperature controller is provided with a first fixing member, and the temperature controller is connected with the thick film heating body through the first fixing hole and the first fixing member arranged in the fixed opening.

[0009] The above components achieve the effect that: by arranging the temperature controller and the first fixing member on the temperature controller, and connecting the temperature controller with the thick film heating body through the first fixing hole and the first fixing member arranged in the fixed opening, the temperature of the thick film heating body is monitored and controlled in real time and accurately. This direct contact mode can quickly respond to temperature changes, ensuring the accuracy and reliability of the heating process.

[0010] Preferably, the thick film heating body comprises a heating cavity and a thick film heater connected on the heating cavity, and the thick film heater is provided with a first wiring connector and a second wiring connector on both sides, the first wiring connector is connected with the temperature controller through the first gap, and the second wiring connector is connected with the thermal fuse through the second gap.

[0011] The above components achieve the effect that: by arranging the heating cavity and the thick film heater on the thick film heating body, and arranging the first wiring connector and the second wiring connector on both sides, the line connection is more orderly and clear. The first wiring connector is connected with the temperature controller through the first gap, and the second wiring connector is connected with the thermal fuse through the second gap. This connection mode reduces electromagnetic interference between lines, improves the stability and accuracy of signal transmission, and ensures the normal operation of the heater.

[0012] Preferably, the heating cavity is provided with water inlet and outlet connectors on both sides, the water inlet and outlet connectors are provided with water inlet and outlet pipes extending out of the shell and fixing rings, and the water inlet and outlet pipes are fixedly sleeved on the water inlet and outlet connectors through the fixing rings.

[0013] The above components achieve the effect that: by arranging the water inlet and outlet connectors on both sides of the heating cavity, and arranging the water inlet and outlet pipes extending out of the shell and the fixing rings on the water inlet and outlet connectors, and the water inlet and outlet pipes are fixedly sleeved on the water inlet and outlet connectors through the fixing rings, the water inlet and outlet are smooth and stably connected. This design effectively improves the stability and uniformity of water flow, enhances the heat exchange efficiency, ensures the consistency and reliability of the heating effect, and facilitates the connection and maintenance of the external water system.

[0014] Preferably, the upper shell and the lower shell are provided with second fixing holes arranged correspondingly, the second fixing holes are provided with second fixing members, and the upper shell is connected with the lower shell through the second fixing block and the second fixing member.

[0015] The effects achieved by the above components are that: the upper shell can be tightly connected with the lower shell through the second fixing block and the second fixing member by setting the second fixing member in the second fixing hole and setting the corresponding second fixing hole on the upper shell and the lower shell. This connection mode not only guarantees the structural strength and stability of the shell, but also facilitates the assembly and disassembly of the shell, facilitates the installation, maintenance and replacement of the internal components, and reduces the maintenance cost and time.

[0016] Compared with the prior art, the advantages of the utility model lie in: through setting the heater body including the shell, the thick film heating body and the temperature control assembly, the structure and function are optimized; the thermal fuse is arranged obliquely along the lower end of the thick film heating body and the lower shell has the corresponding groove, the overheat protection performance is improved; through setting the arrangement of the thick film heating body and the wiring connector, the electromagnetic interference is reduced; the water inlet and outlet connectors on both sides of the heating cavity and the matching water inlet and outlet pipes and the fixing ring guarantee the smooth water flow and stable connection; the fixed setting of the upper shell and the lower shell facilitates the assembly and disassembly, and the design of the utility model makes the heater efficient in heating, accurate in temperature control and convenient in installation and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is the exploded structure schematic view of the utility model;

[0018] Fig. 2 is the exploded structure schematic view of the utility model;

[0019] Fig. 3 is the structure schematic view of the utility model.

[0020] The drawing figure mark: 1, heater body; 2, shell; 3, thick film heating body; 4, temperature control assembly; 5, thermal fuse; 6, temperature controller; 7, upper shell; 8, lower shell; 9, groove; 10, first gap; 11, second gap; 12, fixed opening; 13, first fixing hole; 14, first fixing member; 15, heating cavity; 16, thick film heater; 17, first wiring connector; 18, second wiring connector; 19, water inlet and outlet connector; 20, water inlet and outlet pipe; 21, fixing ring; 22, second fixing hole; 23, second fixing member. DETAILED DESCRIPTION

[0021] In the following, a plurality of embodiments of the utility model will be disclosed by means of drawings. For the purpose of clear illustration, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the utility model. That is to say, in some embodiments of the utility model, these practical details are unnecessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0022] It should be noted that all directional indications, such as upper, lower, left, right, front, back, etc. in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0023] In addition, in addition to being used to represent the orientation or positional relationship, the above-mentioned terms can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases, and those skilled in the art can understand the specific meanings of these terms in the present application according to specific circumstances.

[0024] In addition, the terms "mounting", "setting", "providing", "connecting", "connecting", "sleeving" should be understood broadly. For example, it can be fixedly connected, detachably connected, or integrally configured; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication between two devices, elements or components. The connection mode involved in the present application is prior art and does not have any improvement, and belongs to the common knowledge of those skilled in the art. Those skilled in the art can understand the specific meanings of the above-mentioned terms in the present application according to specific circumstances.

[0025] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and does not mean to specially indicate the order or sequence, nor to limit the present application. It is only used to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0026] In the present embodiment 1,

[0027] As Figs. 1-2 shown, the present application provides a thick film heater 16, which comprises a heater body 1, the heater body 1 comprises an outer shell 2, a temperature control assembly 4 and a thick film heating body 3 arranged in the outer shell 2, the temperature control assembly 4 comprises a thermal fuse 5, the thermal fuse 5 is arranged in the outer shell 2 and is arranged obliquely along the lower end of the thick film heating body 3, the outer shell 2 comprises an upper shell 7 and a lower shell 8, and a groove 9 corresponding to the thermal fuse 5 is formed in the inner surface of the lower shell 8.

[0028] By setting the heater body 1 including the shell 2, the thick film heating body 3 and the temperature control assembly 4, the integration of heating, temperature control and protection is realized, the structure of the heater is more compact, and the function is more perfect; the thermal fuse 5 in the shell 2 is arranged obliquely along the lower end of the thick film heating body 3, and the inner surface of the lower shell 8 is provided with a groove 9 corresponding to the thermal fuse 5. This arrangement effectively utilizes the space and provides a stable mounting position for the thermal fuse 5, ensuring that it can accurately perceive the temperature and respond in time during operation, thereby improving the overheating protection performance of the heater and enhancing the safety of use.

[0029] The upper shell 7 is provided with a first notch 10 and a second notch 11 on both sides, and a fixing opening 12 for fixing the temperature control assembly 4 is arranged between the first notch 10 and the second notch 11, and a first fixing hole 13 is arranged on one side of the fixing opening 12.

[0030] By arranging the first notch 10 and the second notch 11 on both sides of the upper shell 7, a convenient channel is provided for the lead-out and connection of the lines, avoiding the intersection and interference between the lines. The fixing opening 12 for fixing the temperature control assembly 4 is arranged between the first notch 10 and the second notch 11, and the first fixing hole 13 is arranged on one side of the fixing opening 12, so that the temperature control assembly 4 can be stably installed on the upper shell 7, improving the stability and reliability of the temperature control assembly 4, and facilitating the installation and maintenance operation.

[0031] The temperature control assembly 4 further comprises a temperature controller 6, and the temperature controller 6 is provided with a first fixing part 14, and the temperature controller 6 is arranged in the fixing opening 12 in contact with the thick film heating body 3 through the first fixing hole 13 and the first fixing part 14.

[0032] By arranging the temperature controller 6 and the first fixing part 14 on the temperature controller 6, the temperature controller 6 is arranged in the fixing opening 12 in contact with the thick film heating body 3 through the first fixing hole 13 and the first fixing part 14, realizing real-time and accurate monitoring and control of the temperature of the thick film heating body 3. This direct contact method can quickly respond to temperature changes, effectively improving the accuracy and stability of temperature control, and ensuring the accuracy and reliability of the heating process.

[0033] The thick film heating body 3 comprises a heating cavity 15 and a thick film heater 16 connected on the heating cavity 15, and the thick film heater 16 is provided with a first wiring connector 17 and a second wiring connector 18 on both sides, the first wiring connector 17 is connected with the temperature controller 6 through the first notch 10, and the second wiring connector 18 is connected with the thermal fuse 5 through the second notch 11.

[0034] The heating cavity 15 is arranged with water inlet and outlet joints 19 on both sides, the water inlet and outlet joints 19 are arranged with water inlet and outlet pipes 20 extending out of the shell 2 and fixing rings 21, and the water inlet and outlet pipes 20 are fixedly sleeved on the water inlet and outlet joints 19 through the fixing rings 21.

[0035] The heating cavity 15 is arranged with water inlet and outlet joints 19 on both sides, the water inlet and outlet joints 19 are arranged with water inlet and outlet pipes 20 extending out of the shell 2 and fixing rings 21, and the water inlet and outlet pipes 20 are fixedly sleeved on the water inlet and outlet joints 19 through the fixing rings 21.

[0036] The heating cavity 15 is arranged with water inlet and outlet joints 19 on both sides, the water inlet and outlet joints 19 are arranged with water inlet and outlet pipes 20 extending out of the shell 2 and fixing rings 21, and the water inlet and outlet pipes 20 are fixedly sleeved on the water inlet and outlet joints 19 through the fixing rings 21.

[0037] The upper shell 7 and the lower shell 8 are arranged with second fixing holes 22 corresponding to each other, the second fixing holes 22 are arranged with second fixing members 23, and the upper shell 7 is connected with the lower shell 8 through the second fixing members 23 and second fixing blocks.

[0038] The upper shell 7 and the lower shell 8 are arranged with second fixing holes 22 corresponding to each other, the second fixing holes 22 are arranged with second fixing members 23, and the upper shell 7 is connected with the lower shell 8 through the second fixing members 23 and second fixing blocks.

[0039] As shown in Figs. 1-2 The working principle of the utility model is as follows:

[0040] The current passes through the first wiring connector 17 and the second wiring connector 18 to supply power for the thick film heater 16, and the thick film heater 16 starts to heat; the temperature controller 6 monitors the temperature of the heating pipe assembly, and when the temperature reaches the set value, the temperature controller 6 acts to cut off the power supply; if the temperature controller 6 fails, the temperature of the heating pipe assembly will continue to rise, which will cause the thermal fuse 5 to melt, and the power supply is also cut off, thereby playing a double overheat protection role; water enters the heating cavity 15 from the water inlet and outlet pipe 20, is heated and then flows out, thereby realizing the heating function.

[0041] In this embodiment 2,

[0042] As Figs. 1-2 shown, the thick film heater 16 of the utility model passes through setting including the shell 2, thick film heating body 3 and temperature control assembly 4 heater body 1, and the structure and function are optimized, the thermal fuse 5 is arranged along the thick film heating body 3 lower end obliquely and there is corresponding recess 9 in lower shell 8, improves overheating protection performance, passes through setting thick film heating body 3 and the arrangement of wiring connector, reduces electromagnetic interference, the water inlet and outlet connector 19 of heating cavity 15 both sides and the water inlet and outlet pipe 20 and fixed ring 21 that cooperate and fix, guarantee water flow and stable connection, the fixed setting of upper shell 7 and lower shell 8, facilitate assembly and disassembly, the utility model design makes that the heater heats high efficiency, temperature control precision, installation and maintenance are convenient.

[0043] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of different embodiments or examples without contradiction.

[0044] In the present specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of different embodiments or examples without contradiction.

[0045] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet, welding, sticking in the prior art, which will not be described in detail here.

[0046] The above content is only the preferred embodiment of the utility model, and for the ordinary skilled in the art, according to the idea of the utility model, various changes and changes can be made in the specific implementation mode and application range, and the content of the specification should not be understood as the limitation of the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the scope of claims of the utility model.

Claims

1. A thick film heater characterised in that: The application relates to a heater body, which comprises an outer shell, a temperature control assembly and a thick-film heating body arranged in the outer shell, the temperature control assembly comprises a thermal fuse arranged in the outer shell and inclined to the lower end of the thick-film heating body, and the outer shell comprises an upper shell and a lower shell, and the inner surface of the lower shell is provided with a groove corresponding to the thermal fuse.

2. A thick film heater as claimed in claim 1, wherein: The upper shell is provided with a first notch and a second notch on two sides, and the upper shell is provided with a fixing opening for fixing the temperature control assembly between the first notch and the second notch, and one side of the fixing opening is provided with a first fixing hole.

3. A thick film heater as claimed in claim 2, wherein: The temperature control assembly further comprises a temperature controller provided with a first fixing member, and the temperature controller is connected with the thick-film heating body in the fixing opening through the first fixing hole and the first fixing member.

4. A thick film heater as claimed in claim 3, wherein: The thick-film heating body comprises a heating cavity and a thick-film heater connected to the heating cavity, and the thick-film heater is provided with a first wiring connector and a second wiring connector on two sides, the first wiring connector is connected with the temperature controller through the first notch, and the second wiring connector is connected with the thermal fuse through the second notch.

5. A thick film heater as claimed in claim 4, wherein: The heating cavity is provided with water inlet and outlet connectors on two sides, the water inlet and outlet connectors are provided with water inlet and outlet pipes extending to the outside of the outer shell and fixing rings, and the water inlet and outlet pipes are fixedly sleeved on the water inlet and outlet connectors through the fixing rings.

6. A thick film heater as claimed in claim 1, wherein: The upper shell and the lower shell are provided with second fixing holes corresponding to each other, the second fixing holes are provided with second fixing members, and the upper shell is connected with the lower shell through the second fixing members and the second fixing members.