CN209497617U - A kind of insulation electric heating tube and water dispenser - Google Patents

Abstract

The utility model discloses a kind of insulation electric heating tube, including diversion pipe and heating layer, the heating layer is wrapped in outside the diversion pipe, the first insulating layer is equipped between the heating layer and the diversion pipe, second insulating layer is equipped with outside the heating layer, the material of the second insulating layer is high-temperature resistant structural adhesive, and the utility model also provides a kind of water dispenser, including above-mentioned insulation electric heating tube.Insulating layer is arranged in the insulation electric heating tube, solves the defect that heating duct is easy to cause user's electric shock, scald, second insulating layer is high-temperature resistant structural adhesive, have the advantages that high temperature resistant, acid and alkali-resistance, leakproofness are strong, and the second insulating layer coefficient of expansion is high, and slight crack will not be generated because of high temperature, performance is stablized.

Description

A kind of insulation electric heating tube and water dispenser

Technical field

The utility model relates to heating element fields, and in particular to a kind of insulation electric heating tube and water dispenser.

Background technique

Heating tube is common liquid heating element, has the advantages that heating efficiency is high, and heating tube passes through periphery package Heating layer is heated.It outside heating layer needs that insulating layer is arranged, prevents leaky, the prior art is carried out using sebific duct or slurry Insulation protection, but the intensity of this insulating layer is lower, and deformation coefficient is big, and heating layer has to be deformed by a small margin, just easilys lead to absolutely The fracture of edge layer can not carry out effective protection to heating tube, and safety is poor.And existing heating layer is entwined by heating wire, There are gaps between each circle heating wire, when vibrating or being thermally deformed generation, easily contact with each other between adjacent heater strip, may Short circuit is caused, there are security risks.

In view of the above drawbacks, the utility model creator obtains originally practical new finally by prolonged research and practice Type.

Utility model content

To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is, provides a kind of insulation electric heating tube, Including diversion pipe and heating layer, the heating layer is wrapped in outside the diversion pipe, between the heating layer and the diversion pipe Equipped with the first insulating layer, second insulating layer is equipped with outside the heating layer, the material of the second insulating layer is high-temperature-resistant structure Glue.

Further, the heating layer is made of heater strip, and the heater strip is twist distributed outside the diversion pipe.

Further, the material of first insulating layer is insulating film.

Further, the heating layer is made of at least two sections of heaters, and the both ends of the heater are solid by conductive ring It is fixed.

Further, the both ends of the adjacent heater are connected with each other, and the connecting pin of the adjacent heater passes through One conductive ring is fixed.

Further, the heating layer is made of two sections of heaters, two sections of heaters be respectively the first heater strip and Second heater strip.

Further, first heater strip is different from the thickness of second heater strip, width and length.

Further, first heater strip is different from the material of second heater strip.

Compared with the prior art the utility model has the beneficial effects that:

1, the utility model insulation electric heating tube be arranged insulating layer, solve heating duct be easy to cause user electric shock, The defect of scald, second insulating layer are high-temperature resistant structural adhesive, have the advantages that high temperature resistant, acid and alkali-resistance, leakproofness are strong, and second is exhausted The edge layer coefficient of expansion is high, and slight crack will not be generated because of high temperature, and performance is stablized.

2, the heating layer of insulation electric heating tube is entwined by heater strip, resistance to after heater strip outside coating second insulating layer Thermal structure glue part enters the gap between heater winding, and the problem of short circuit, mentions caused by avoiding heater strip from contacting because of vibration High safety and reliability.

3, the insulation electric heating tube can configure different power sections according to demand for heat, realize the segmentation control an of heating tube System, can choose different power for different temperatures and be heated, and improve heating efficiency.

4, different capacity section can expand temperature-control range by adjusting the material of heater strip, thickness, width and length, make to heat Pipe is suitable for plurality of liquid under varying environment and heats, and multiple power sections can cooperate, and improve the heating efficiency of heating tube, together Shi Tigao accuracy of temperature control realizes that heating tube is quick, accurate temperature control.

The utility model also provides a kind of water dispenser, including above-mentioned insulation electric heating tube, improves water dispenser safety, prevents Danger of hazardous electrical discharges only occurs.

Detailed description of the invention

It, below will be to institute in embodiment description in order to illustrate more clearly of the technical solution in various embodiments of the utility model Attached drawing to be used is needed to be briefly described.

Fig. 1 is the structure chart of the utility model insulation electric heating tube；

Fig. 2 is the explosive view of the utility model insulation electric heating tube.

Digital representation in figure:

1. 2. first 3. second heater strip of heater strip of diversion pipe, 4. 5. first insulating layer of conductive ring, 6. second insulating layer

Specific embodiment

Below in conjunction with attached drawing, the above and other technical features and advantages of the present invention are described in more detail.

Embodiment 1

As depicted in figs. 1 and 2, a kind of Multi-stage heating pipe, for heating the liquid of drinking equipment, Multi-stage heating pipe includes leading Flow tube 1 and the heating layer being wrapped in outside diversion pipe 1, diversion pipe 1 are stainless steel material.Flowing side of the liquid in diversion pipe 1 To for bottom in and top out, heating layer electrified regulation makes liquid in diversion pipe 1 heat up.Setting first is exhausted between diversion pipe 1 and heating layer Edge layer 5, the first insulating layer 5 are made of insulating film, diversion pipe 1 are isolated with heating layer, prevent from leaking electricity.

Heating layer is made of heater strip, and heater strip is twist distributed outside diversion pipe, improves heating efficiency.Outside heating layer Portion be equipped with second insulating layer 6, insulation electric heating tube be arranged external insulation layer, solve heating duct be easy to cause user electric shock, The defect of scald.

The second insulating layer 6 is high-temperature resistant structural adhesive, and high-temperature resistant structural adhesive part covers heater strip surface, portion after brushing Divide the gap entered between heater winding, fix the gap of coil, short circuit asks caused by avoiding heater strip from contacting because of vibration Topic, improves safety and reliability.

Embodiment 2

The present embodiment on the basis of the above embodiments, select with silicate powder and be modified solid by the second insulating layer 6 Agent forms Bi-component adhesive, is resistant to 1700 DEG C of high temperature, has the advantages that high temperature resistant, acid and alkali-resistance, leakproofness are strong, and the painting Expect that the coefficient of expansion is high, slight crack will not be generated because of high temperature, performance is stablized.

Embodiment 3

On the basis of the above embodiments, the heating layer is made of the present embodiment two sections of heaters, two sections of heaters point Be not made of the first heater strip 2 and the second heater strip 3, the first heater strip 2 and the second heater strip 3 outside diversion pipe 1 twist Distribution improves heating efficiency.The lower end and 3 upper end of the second heater strip of first heater strip 2 are fixed by conductive ring 4, the first heating The upper end of silk 2 is connected with 3 lower end of the second heater strip, and connecting pin is fixed by another conductive ring 4.Three conductive rings 4 with control Circuit connection realizes heating tube multistage heating, and the power of two sections of heaters is different, can improve heating efficiency and accuracy.First Heater strip 2 and the second heater strip 3 make each section of power difference of heating tube, for different temperatures by relay progress Discrete control Different power can be chosen to be heated, the requirement to 1 water flow of diversion pipe is greatly reduced.

Embodiment 4

On the basis of the above embodiments, first heater strip 2 and the second heater strip 3 select identical material to the present embodiment Material, the thickness of the two, width and length are different, and different power sections can be configured according to different requirements, expand heating tube Heated perimeter, suitable for varying environment, the demand for heat of different liquids.

Embodiment 5

The present embodiment in above-described embodiment the difference is that, the material of first heater strip 2 and the second heater strip 3 Also different, the heated perimeter of energy further expansion heating tube improves heating accuracy.

Embodiment 6

The present embodiment place unlike the embodiments above is that the heating layer is made of three sections of heaters, three Duan Fare Body is made of heater strip, is twist distributed in outside diversion pipe 1, and the both ends of adjacent heating are connected with each other, and connecting portion is logical It crosses a conductive ring 4 to fix, the both ends of heating layer are fixed also by conductive ring 4.The present embodiment further increases in heating tube Power section can provide heating efficiency, realize that the liquid for flowing through heating tube is rapidly reached required temperature.

In other embodiments, heating layer can also be made of 4-6 sections of heaters, with the increase of heater number of segment, There are more power sections in a piece heating tube, temperature control is more accurate.

Embodiment 7

A kind of water dispenser has insulation electric heating tube described in above-described embodiment, improves water dispenser safety, prevents from sending out Raw danger of hazardous electrical discharges.

The above is only the preferred embodiment of the present invention, is merely illustrative for the utility model, and It is unrestricted.Those skilled in the art understand that can be to it in the spirit and scope defined by the utility model claims Many changes, modifications, and even equivalents are carried out, but all will fall within the protection scope of the utility model.

Claims (9)

1. a kind of insulation electric heating tube, which is characterized in that including diversion pipe (1) and heating layer, the heating layer is wrapped in described Diversion pipe (1) is external, is equipped with the first insulating layer (5) between the heating layer and the diversion pipe (1), sets outside the heating layer Have second insulating layer (6), the material of the second insulating layer (6) is high-temperature resistant structural adhesive.

2. insulation electric heating tube as described in claim 1, which is characterized in that the heating layer is made of heater strip, described to add Heated filament is twist distributed outside in the diversion pipe (1).

3. insulation electric heating tube as claimed in claim 2, which is characterized in that the material of first insulating layer (5) is insulation Film.

4. insulation electric heating tube as claimed in claim 3, which is characterized in that the heating layer is by least two sections of heater groups At the both ends of the heater are fixed by conductive ring (4).

5. insulation electric heating tube as claimed in claim 4, which is characterized in that the both ends of the adjacent heater mutually interconnect It connects, the connecting pin of the adjacent heater is fixed by a conductive ring (4).

6. insulation electric heating tube as claimed in claim 5, which is characterized in that the heating layer is made of two sections of heaters, institute Stating two sections of heaters is respectively the first heater strip (2) and the second heater strip (3).

7. insulation electric heating tube as claimed in claim 6, which is characterized in that first heater strip (2) adds with described second Thickness, width and the length difference of heated filament (3).

8. insulation electric heating tube as claimed in claim 6, which is characterized in that first heater strip (2) adds with described second The material of heated filament (3) is different.

9. a kind of water dispenser, which is characterized in that including the insulation electric heating tube as described in the claims 1-8 is any.