CN219454282U - Electric heating pipe of water heater - Google Patents

Abstract

The utility model discloses an electric heating pipe of a water heater, which comprises a fixed base and a heating core arranged on the fixed base, wherein a heat conducting layer is sleeved outside the heating core, a binding post is arranged at one end of the heating core extending to the fixed base, a plurality of heat conducting components are arranged outside the heat conducting layer, each heat conducting component comprises a first heat conducting sheet and a plurality of second heat conducting sheets which are arranged on the outer ring of the heat conducting layer, and temperature sensing spring wires are arranged between the first heat conducting sheet and the second heat conducting sheet and between the plurality of second heat conducting sheets. The utility model has simple structure and convenient operation, achieves the purposes of inhibiting scaling and removing scaling through the arrangement of the heat conducting layer and the temperature sensing spring wire, can avoid safety accidents caused by electric leakage, can increase the heat conductivity of the electric heating pipe, improve the heating speed, save electric energy and prolong the practical life of the whole device.

Description

Electric heating pipe of water heater

Technical Field

The utility model relates to the technical field of electric heating elements, in particular to an electric heating tube of a water heater.

Background

Along with the development of society, people have become more conscious of saving environmental protection, so solar water heaters are widely used. The solar water heater can only utilize the solar energy to heat water, and the solar water heater can save energy, but often causes inconvenience to users due to low water temperature when the climate is cold, especially in winter, recently, people use electric heating pipes on the solar water heater, and can adopt electric heating to a proper temperature when the water temperature is low.

After the water is boiled, a part of water is evaporated, calcium and magnesium ions are subjected to chemical reaction, calcium sulfate gypsum which is not dissolved originally is precipitated from calcium sulfate containing crystal water, and the originally dissolved calcium bicarbonate and magnesium bicarbonate are decomposed in the boiled water to release carbon dioxide, so that the calcium carbonate and the magnesium carbonate which are not dissolved are also precipitated, and the scale is precipitated. Because the scale is formed, the scale layer can be formed by adhesion on the electric heating pipe, the heat conduction performance of the scale is poor, the scale phenomenon can reduce the heat conduction performance of the electric heating pipe, the electric heating pipe can continuously heat up, the working temperature of the electric heating pipe is high, the service life is reduced, and the integral service performance of the electric water heater is reduced.

In view of the above, an electric heating tube of a water heater is proposed to solve the above problems.

Disclosure of Invention

The utility model aims to provide an electric heating tube of a water heater, which is used for solving the problems in the background art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides an electric heating pipe of water heater, includes unable adjustment base and sets up the heating core on unable adjustment base, the heating core overcoat is provided with the heat conduction layer, and the one end that the heating core extends to unable adjustment base is provided with the terminal, the heat conduction layer is provided with a plurality of heat conduction subassemblies outward, the heat conduction subassembly is including setting up first heat conducting strip and the a plurality of second heat conducting strip at the heat conduction layer outer lane, all be provided with the temperature sensing spring silk between first heat conducting strip and the second heat conducting strip and between a plurality of second heat conducting strip.

Preferably, the first heat conducting fin is fixedly connected with the heat conducting layer through a fixing ring, and the second heat conducting fin is in sliding connection with the heat conducting layer through a sliding ring.

Preferably, the side surface of the fixing base next to the heat conducting layer is provided with a groove, an insulating block is embedded in the groove, the insulating block is a T-shaped insulating block, a through hole for the heat conducting layer to pass through is formed in the insulating block, and a sealing rubber ring wrapped on the outer ring of the heat conducting layer is embedded in the through hole.

Preferably, the heat conduction layer is an enamel heat conduction layer, a protection layer is arranged on the outer layer of the heat conduction layer, and the protection layer is a polytetrafluoroethylene protection layer.

Preferably, the temperature sensing spring wire is a metal magnesium spring wire.

Preferably, the first heat conducting fin and the second heat conducting fin are copper heat conducting fins.

The beneficial effects of the utility model are as follows:

the outer ring of the heat conducting layer is provided with the polytetrafluoroethylene protective layer, and the polytetrafluoroethylene has remarkable heat stability and high and low temperature resistance, meanwhile, as the polytetrafluoroethylene has strong inertia, besides a specific medium, the polytetrafluoroethylene can resist various acids, alkalis, salts and organic matters, and is hardly corroded by any chemical, meanwhile, the surface of the heating pipe is smoother and more attractive, the flexibility is good, the heating pipe is not fragile, the surface is not cracked, scale is not easy to appear, the heating pipe is easy to clean, and the heating efficiency and the service life of the heating pipe are ensured; the outer ring of the heat conducting layer is provided with a first heat conducting sheet and a second heat conducting sheet, and temperature sensing spring wires are arranged between the first heat conducting sheet and the second heat conducting sheet and between the plurality of second heat conducting sheets; the fixed base is provided with the groove, the insulating block is embedded in the groove, and the sealing rubber ring is arranged between the insulating block and the heat conducting layer, so that in the use process, even if electric leakage occurs at the joint of the heating core and the fixed base, the safety accident caused by the electric leakage can be well avoided due to the arrangement of the insulating block and the sealing rubber ring.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a heat conduction assembly according to the present utility model;

fig. 3 is a schematic structural diagram of a connection between a first heat conducting fin and a heat conducting layer according to the present utility model.

Detailed Description

In order to provide a better understanding of the present utility model, the present utility model will be further described in detail with reference to the drawings and embodiments.

As shown in fig. 1-3, an electric heating tube of a water heater includes a fixed base 2 and a heating core 5 disposed on the fixed base 2, a heat conducting layer 3 is sleeved outside the heating core 5, a terminal 1 is disposed at one end of the heating core 5 extending to the fixed base 2, a plurality of heat conducting components 4 are disposed outside the heat conducting layer 3, the heat conducting components 4 include a first heat conducting sheet 42 and a plurality of second heat conducting sheets 41 disposed on an outer ring of the heat conducting layer 3, temperature sensing spring wires 44 are disposed between the first heat conducting sheet 42 and the second heat conducting sheet 41 and between the plurality of second heat conducting sheets 41, and in the implementation process, the number of the second heat conducting sheets in each heat conducting component disposed on the heat conducting layer can be different, and the heating core can be a U-shaped heating core or other special-shaped heating core.

The first heat conducting fin 42 is fixedly connected with the heat conducting layer 3 through a fixing ring 43, and the second heat conducting fin 41 is slidably connected with the heat conducting layer 3 through a sliding ring 45.

The side of the fixed base 2 close to the heat conducting layer 3 is provided with a groove 21, an insulating block 22 is embedded in the groove 21, the insulating block 22 is a T-shaped insulating block, a through hole 23 for the heat conducting layer 3 to pass through is formed in the insulating block 22, and a sealing rubber ring 24 wrapping the outer ring of the heat conducting layer 3 is embedded in the through hole 23.

The heat conduction layer 3 is an enamel heat conduction layer, a protection layer 31 is arranged on the outer layer of the heat conduction layer 3, and the protection layer 31 is a polytetrafluoroethylene protection layer.

The temperature sensing spring wire 44 is made of metal magnesium, and in the implementation process, the diameter of the temperature sensing spring wire can be 0.16-0.45mm, as the expansion coefficient of metal magnesium is 26, and the induction temperature of the metal magnesium is in the range of-100-650 ℃, the temperature sensing spring wire has good thermal stability, the water in the water heater can continuously rise and fall repeatedly, the electric heating pipe can intermittently heat, so that the temperature sensing expansion wire continuously deforms repeatedly, the spring can be stretched to a compression circulation state, and the connected second heat conducting fin is driven to slide back and forth on the heat conducting layer, even if scale adheres to the heat conducting layer, the scale can be scraped, and the effects of effectively inhibiting the scale and removing the scale are achieved.

The first heat conductive sheet 42 and the second heat conductive sheet 41 are both copper heat conductive sheets.

The working principle is used: the polytetrafluoroethylene protective layer is arranged on the outer ring of the heat conducting layer, so that the polytetrafluoroethylene has remarkable heat stability and high and low temperature resistance, meanwhile, as the polytetrafluoroethylene has strong inertia, besides a certain medium, the polytetrafluoroethylene can resist various acids, alkalis, salts and organic matters, and is hardly corroded by any chemical, meanwhile, the surface of the heating pipe is smoother and more attractive, the flexibility is good, the heating pipe is not fragile, cracks are not formed on the surface, scale is not easy to appear, the heating pipe is easy to clean, and the heating efficiency and the service life of the heating pipe are ensured; the outer ring of the heat conducting layer is provided with a first heat conducting sheet and a second heat conducting sheet, and temperature sensing spring wires are arranged between the first heat conducting sheet and the second heat conducting sheet and between the plurality of second heat conducting sheets; the fixed base is provided with the groove, the insulating block is embedded in the groove, and the sealing rubber ring is arranged between the insulating block and the heat conducting layer, so that in the use process, even if electric leakage occurs at the joint of the heating core and the fixed base, the safety accident caused by the electric leakage can be well avoided due to the arrangement of the insulating block and the sealing rubber ring. The utility model has simple structure and convenient operation, achieves the purposes of inhibiting scaling and removing scaling through the arrangement of the heat conducting layer and the temperature sensing spring wire, can avoid safety accidents caused by electric leakage, can increase the heat conductivity of the electric heating pipe, improve the heating speed, save electric energy and prolong the practical life of the whole device.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. An electric heating pipe of a water heater is characterized in that: including unable adjustment base (2) and heating core (5) of setting on unable adjustment base (2), heating core (5) overcoat is provided with heat conduction layer (3), and the one end that heating core (5) extended to unable adjustment base (2) is provided with terminal (1), be provided with a plurality of heat conduction subassemblies (4) outward in heat conduction layer (3), heat conduction subassemblies (4) are including setting up first conducting strip (42) and a plurality of second conducting strip (41) in heat conduction layer (3) outer lane, all be provided with temperature sensing spring wire (44) between first conducting strip (42) and second conducting strip (41) and between a plurality of second conducting strip (41).

2. An electric heating tube for a water heater as recited in claim 1, wherein: the first heat conducting fin (42) is fixedly connected with the heat conducting layer (3) through a fixing ring (43), and the second heat conducting fin (41) is slidably connected with the heat conducting layer (3) through a sliding ring (45).

3. An electric heating tube for a water heater as recited in claim 1, wherein: the side of the fixed base (2) close to the heat conducting layer (3) is provided with a groove (21), the groove (21) is internally embedded with an insulating block (22), the insulating block (22) is a T-shaped insulating block, a through hole (23) for the heat conducting layer (3) to pass through is formed in the insulating block (22), and a sealing rubber ring (24) wrapping the outer ring of the heat conducting layer (3) is embedded in the through hole (23).

4. An electric heating tube for a water heater as recited in claim 1, wherein: the heat conduction layer (3) is an enamel heat conduction layer, a protection layer (31) is arranged on the outer layer of the heat conduction layer (3), and the protection layer (31) is a polytetrafluoroethylene protection layer.

5. An electric heating tube for a water heater as recited in claim 1, wherein: the temperature sensing spring wire (44) is made of metal magnesium.

6. An electric heating tube for a water heater as recited in claim 1, wherein: the first heat conduction sheet (42) and the second heat conduction sheet (41) are copper heat conduction sheets.