Resistance boiler
By using modular design and circulation pipe structure, the problem of high maintenance and replacement costs of high-resistance heating elements in traditional electric resistance boilers has been solved, enabling convenient maintenance and extending equipment life, while reducing resource waste.
Patent Information
- Application Number
- CN202520253537.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-18
AI Technical Summary
The integrated design of high-resistance heating elements and inner tank in traditional electric resistance boilers leads to high maintenance and replacement costs and serious waste of resources.
The modular design allows for easy disassembly and installation of the high-resistance heating element, which is connected to the inner tank via a snap-fit connector. The connection structure and base ensure stable element positioning. Meanwhile, a circulation pipe is used to remove heat from the electrical control components to reduce the equipment temperature.
This reduces the cost of repairing and replacing high-resistance heating elements, extends the service life of the equipment, and improves its practicality and safety.
Smart Images

Figure CN223826484U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of electric boiler, concretely relates to a resistance boiler. BACKGROUND
[0002] The rapid development of clean energy, namely green energy, in today's society makes the traditional energy industry gradually unable to keep up with the development of the society, for example, traditional energy: coal, which is widely used in many aspects such as power generation, heating, industrial production, metallurgical application and chemical industry, but coal produces toxic and harmful gases and solid particulate matter and other pollutants after combustion, and thus industrial products using coal as energy are eliminated with the development of the times, such as coal boilers, and the emergence of electric boilers effectively replaces the work of coal boilers.
[0003] Nowadays, electric boilers are divided into resistance boilers and electrode boilers, and most high-resistance electric heating elements in resistance boilers are designed in an integrated manner with inner tanks, and thus the electric boiler needs to replace the entire inner tank in the later maintenance and replacement, which is high in cost and causes resource waste. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a resistance boiler to solve the problems in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a resistance boiler, comprising:
[0006] A boiler machine box, in which an electric control assembly and an inner tank are respectively installed;
[0007] The inside and outside of the inner tank are respectively provided with a heating assembly and a butt joint structure, and the heating assembly comprises a high-resistance electric heating element, a clamping joint and a clamping groove, the clamping joint is fixedly connected to the upper surface wall of the high-resistance electric heating element, and the clamping joint is matched with the clamping groove opened on the inner tank, and the two are in a clamping structure;
[0008] The butt joint structure comprises a butt joint base and a butt joint clamping groove, and the butt joint clamping groove is opened at the top end of the butt joint base;
[0009] The plurality of high-resistance electric heating elements can enter and exit the inside of the inner tank from the clamping groove, and one end of the high-resistance electric heating element in the inside of the inner tank is connected to the butt joint clamping groove.
[0010] Preferably, the heating assembly further comprises a transmission wire and a guard plate, the guard plate is fixedly connected to the top of the clamping joint, and the guard plate is used to cover the clamping groove.
[0011] Preferably, the transmission wire is fixed after being clamped with the other end of the high-resistance electric heating element, and the transmission wire can be electrically connected with the electric control assembly to transmit electric energy to the high-resistance electric heating element.
[0012] Preferably, the boiler machine box is provided with a water inlet pipe and a water outlet pipe on two sides respectively, and the water inlet pipe and the water outlet pipe are extended to the inside of the boiler machine box and connected with the inner tank body.
[0013] Preferably, the water inlet pipe is provided with a circulating pipe at the middle position, and the circulating pipe is spirally distributed on the electric control assembly.
[0014] Preferably, the front end opening of the boiler machine box is provided with a cover plate for covering through a hinge.
[0015] The technical effects and advantages of the utility model are as follows: through the modular design between the high-resistance electric heating element and the inner tank body, the high-resistance electric heating element is more convenient to replace in the later maintenance, without the need of replacing the inner tank body together, thereby saving the cost and improving the practicability of the equipment; through the design of the circulating pipe, the medium passing through the inside of the circulating pipe can take away the heat around the circulating pipe, thereby reducing the temperature inside the boiler machine box and avoiding the reduction of the service life of the equipment caused by the heat release of the electric control assembly during the working. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a front view structural schematic diagram of the utility model;
[0017] Figure 2 It is an unfolded structural schematic diagram of the cover plate of the utility model;
[0018] Figure 3 It is a sectional structure schematic diagram of the inner tank body of the utility model;
[0019] Figure 4 It is a butt joint structure schematic diagram of the high-resistance electric heating element and the butt joint base of the utility model;
[0020] Figure 5 It is a clamping structure schematic diagram between the clamping head and the clamping groove of the utility model.
[0021] In the drawing: 1, boiler machine box; 2, water inlet pipe; 3, cover plate; 4, water outlet pipe; 5, inner tank body; 6, electric control assembly; 7, circulating pipe; 8, heating assembly; 81, transmission wire; 82, high-resistance electric heating element; 83, guard plate; 84, clamping head; 85, clamping groove; 9, butt joint structure; 91, butt joint base; 92, butt joint clamping groove. DETAILED DESCRIPTION
[0022] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the present utility model.
[0023] Embodiment one,
[0024] The present utility model provides a resistance boiler as shown in Figure 2 、 Figure 3 、 Figure 4 And Figure 5 The present utility model provides a resistance boiler as shown in
[0025] The boiler machine box 1 is internally installed with electric control assembly 6 and inner tank body 5 respectively;
[0026] Among them, the inner tank body 5 is a medium container, and the equipment is controlled by using the electric control assembly 6, so that the medium can be heated inside the container;
[0027] The inside and outside of the inner tank body 5 are respectively provided with heating assembly 8 and docking structure 9, and the heating assembly 8 includes high resistance electric heating element 82, clamping head 84 and clamping groove 85, the upper surface wall of high resistance electric heating element 82 is fixedly connected with clamping head 84, and clamping head 84 is matched with clamping groove 85 opened on the inner tank body 5, and the two are in clamping structure;
[0028] Further, through the clamping between clamping head 84 and clamping groove 85, the position of high resistance electric heating element 82 can be limited to avoid displacement in the inside of the inner tank body 5;
[0029] The docking structure 9 includes docking base 91 and docking clamping groove 92, and the docking clamping groove 92 is opened at the top end of the docking base 91;
[0030] The plurality of high resistance electric heating elements 82 can be inserted into the inside of the inner tank body 5 from the clamping groove 85, and one end of the high resistance electric heating element 82 in the inside of the inner tank body 5 is docked with the docking clamping groove 92;
[0031] Further, the high resistance electric heating element 82 is inserted into the inside of the inner tank body 5 from the clamping groove 85, and the clamping head 84 fixedly connected on the upper surface wall of the high resistance electric heating element 82 is clamped into the clamping groove 85, and at the same time, one end of the high resistance electric heating element 82 is inserted into the docking clamping groove 92 opened in the inside of the docking base 91, so that the installation of the high resistance electric heating element 82 is completed, wherein the number and position of the docking base 91 correspond to the number and position of the clamping groove 85;
[0032] The heating assembly 8 further comprises a transmission wire 81 and a shield plate 83, the shield plate 83 is fixedly connected with the top of the clamping head 84, and the shield plate 83 is used for covering the clamping groove 85;
[0033] The transmission wire 81 is clamped and fixed with the other end of the high-resistance electric heating element 82, and the transmission wire 81 can be electrically connected with the electric control assembly 6 to transmit electric energy to the high-resistance electric heating element 82;
[0034] Specifically, when the high-resistance electric heating element 82 is inserted into the inner tank 5 from the clamping groove 85, the clamping head 84 is clamped into the clamping groove 85, and the shield plate 83 covers the clamping groove 85, and the shield plate 83 can seal the gap when the clamping head 84 is clamped with the clamping groove 85, thereby improving the sealing performance of the inner tank 5,
[0035] Further, when the high-resistance electric heating element 82 is installed in the inner tank 5, the transmission wire 81 is clamped and fixed with the other end of the high-resistance electric heating element 82, so that when the device is started, the electric control assembly 6 distributes electric energy to the high-resistance electric heating element 82 through the transmission wire 81, and then the high-resistance electric heating element 82 works to heat the medium in the inner tank 5, and when the device is maintained, the connection between the transmission wire 81 and the high-resistance electric heating element 82 is removed, and then the high-resistance electric heating element 82 is pulled out from the inner tank 5 to complete the disassembly;
[0036] Embodiment two,
[0037] As shown in Figure 1 and Figure 2 , the water inlet pipe 2 and the water outlet pipe 4 are respectively installed on both sides of the boiler cabinet 1, and one end of the water inlet pipe 2 and the water outlet pipe 4 extends into the inside of the boiler cabinet 1 and is connected with the inner tank 5;
[0038] The circulating pipe 7 is arranged at the middle position of the water inlet pipe 2, and the circulating pipe 7 is spirally distributed on the electric control assembly 6; the cover plate 3 for covering is hingedly installed at the front opening of the boiler cabinet 1
[0039] Further, when the medium enters the circulating pipe 7 from the water inlet pipe 2, the medium flowing in the circulating pipe 7 will absorb the heat around the circulating pipe 7 when the temperature inside the boiler cabinet 1 is higher than the temperature of the medium in the circulating pipe 7, and the circulating pipe 7 is mostly distributed at the front end of the electric control assembly 6, which can effectively take away the heat generated by the electric control assembly 6 during work;
[0040] Specifically, the device is started, the unheated medium is pumped by the external pump group from the water inlet pipe 2 to the circulating pipe 7, then the medium is transferred to the inner tank 5 in the circulating pipe 7, then the electric control assembly 6 distributes the electric energy from the transmission wire 81 to the high-resistance electric heating element 82, the medium in the inner tank 5 is heated, and the medium is discharged from the water outlet pipe 4 after being heated to the appropriate temperature.
[0041] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0042] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A resistance boiler, characterized in that... ,include: The boiler casing (1) is equipped with an electrical control assembly (6) and an inner tank (5). The inner tank (5) is provided with a heating assembly (8) and a docking structure (9) inside and outside respectively. The heating assembly (8) includes a high-resistance heating element (82), a snap connector (84) and a snap groove (85). The snap connector (84) is fixedly connected to the upper surface wall of the high-resistance heating element (82), and the snap connector (84) cooperates with the snap groove (85) opened on the inner tank (5), and the two are in a snap-fit structure. The docking structure (9) includes a docking base (91) and a docking slot (92), and the docking slot (92) is opened at the top of the docking base (91); Multiple high-resistance heating elements (82) can enter and exit the inner tank (5) through the snap-fit groove (85), with one end of the high-resistance heating element (82) inside the inner tank (5) being connected to the snap-fit groove (92).
2. The electric resistance boiler according to claim 1, characterized in that: The heating assembly (8) further includes a transmission wire (81) and a protective plate (83), the protective plate (83) being fixedly connected to the top of the snap connector (84), and the protective plate (83) being used to cover the snap slot (85).
3. A resistance boiler according to claim 2, characterized in that: The transmission wire (81) is engaged and fixed to the other end of the high-resistance heating element (82), and the transmission wire (81) can be electrically connected to the electronic control component (6) to transmit electrical energy to the high-resistance heating element (82).
4. A resistance boiler according to claim 1, characterized in that: The boiler casing (1) is equipped with an inlet pipe (2) and an outlet pipe (4) on both sides, and one end of the inlet pipe (2) and the outlet pipe (4) extends into the interior of the boiler casing (1) and connects with the inner tank (5).
5. A resistance boiler according to claim 4, characterized in that: A circulation pipe (7) is provided at the middle position of the water inlet pipe (2), and the circulation pipe (7) is distributed on the electrical control component (6) in a spiral shape.
6. A resistance boiler according to claim 1, characterized in that: The boiler casing (1) has a cover plate (3) for closing installed at the front opening via a hinge.