CN212213473U

CN212213473U - Heating assembly

Info

Publication number: CN212213473U
Application number: CN202020451587.9U
Authority: CN
Inventors: 朱泽春; 尉迟衍敏; 楼伟
Original assignee: Joyoung Co Ltd
Current assignee: Shandong Jiuchuang Home Appliance Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-31
Publication date: 2020-12-25
Anticipated expiration: 2030-03-31
Also published as: CN212307584U

Abstract

The utility model discloses a heating element, including the hyaline tube, seal in first heating member in the hyaline tube, the outside cover of hyaline tube is equipped with the outer tube, is equipped with the zone of heating that supplies water to flow between outer tube and the hyaline tube, including the zone of heating wraps up the hyaline tube, is equipped with outer tube water inlet and the outer tube delivery port that communicates with the zone of heating on the outer tube, is equipped with the second on the lateral wall of outer tube and adds heat-insulating material, first heating member is carbon borer dimension heating body or halogen tube heating member, and the second adds heat-insulating. The utility model discloses the hyaline tube forms the internal heating with the cooperation of first heating member, and the outer tube forms the external heating with the cooperation of second heating member, carries out inside and outside synchronous heating for water simultaneously inside and outside, is favorable to improving the homogeneity of hydrothermal, avoids local temperature too high to lead to the temperature inhomogeneous. At the moment, the length of the whole heating assembly can be reduced, the size is reduced, and the heating assembly is convenient to apply to household appliances.

Description

Heating assembly

Technical Field

The utility model relates to a small household appliances heating technology field, especially a heating element.

Background

The heating element of the household appliance is generally an electric heating wire heating pipe, one part of electric energy is converted into required heat energy by the traditional electric heating wire heating pipe, the other part of the electric energy is converted into light energy and is directly wasted, so the defects of low overall heating efficiency, low heating speed, uneven heating and the like exist, and particularly, the electric heating wire heating pipe is applied to the interior of an instant heating water dispenser, water cannot be completely boiled due to the low heating speed in the early heating period, and the drinking water safety and sanitation of a user are influenced.

In order to solve the problems, in the prior art, a carbon fiber heating pipe is used for heating a heating container, the carbon fiber heating body is not oxidized or broken down in the frequent opening and closing process, the service life of the carbon fiber is long, meanwhile, the heating light color of the carbon fiber is uniform, impurities are not easily generated in the heating process to pollute the inner wall of the heating pipe, the liquid outside the heating pipe can be ensured to absorb infrared radiation emitted by more carbon fibers, and the heating efficiency is high. However, the carbon fiber heating tube is used for boiling the liquid in the heating container completely and then drinking the liquid, so that the instant heating and drinking cannot be met, meanwhile, the tube wall of the carbon fiber heating tube is a fragile transparent glass tube, and the carbon fiber heating tube is easy to stress and damage no matter the carbon fiber heating tube is arranged on the inner side or the outer side of the heating container, so that the service life of the carbon fiber heating tube cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reach provides a heating element, and not only liquid heating rate is fast and the heating is even, and the leakproofness of zone of heating is good moreover.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a heating element, includes the hyaline tube, seal in first heating member in the hyaline tube, the outside cover of hyaline tube is equipped with the outer tube, is equipped with the zone of heating that supplies water to flow between outer tube and the hyaline tube, including the zone of heating wraps up the hyaline tube, is equipped with outer tube water inlet and the outer tube delivery port that communicates with the zone of heating on the outer tube, is equipped with the second on the lateral wall of outer tube and adds the heat-insulating material, first heating member is carbon borer dimension heating body or halogen tube heating member, and.

Further, the flexible heating element is a nano film.

Furthermore, the outer tube is provided with a reflecting layer which reflects infrared radiation to the heating layer on the outer side of the nano film; and/or the outer surface of the outer tube is also provided with a lead layer, and the lead layers are in contact with two ends of the nano film.

Further, the outer tube comprises an outer tube body and supports arranged at two ends of the outer tube body, and the outer tube is in sealing fit with the transparent tube through the supports.

Further, the bracket is sealed with the outer tube body through a sealing piece; and/or the bracket and the transparent tube are sealed through a sealing member.

Furthermore, the support is provided with a mounting hole for the transparent tube to pass through, a first sealing ring is arranged in the mounting hole, and the support compresses the first sealing ring on the peripheral side wall of the transparent tube along the radial direction; and/or the bracket is provided with a mounting hole for the transparent pipe to pass through, the transparent pipe axially extends out of the outer pipe body, the outer pipe body extends into the mounting hole, a second sealing ring is arranged between the mounting hole and the outer pipe body, and the bracket radially compresses the second sealing ring on the peripheral side surface of the outer pipe body; and/or the periphery of the bracket is sleeved with a second sealing ring, and the side surface of the periphery of the bracket presses the second sealing ring on the inner pipe wall of the outer pipe body; or the mounting hole is a stepped hole, and the first sealing ring is pressed on the end face of the outer pipe body along the axial direction by the stepped surface of the mounting hole.

Further, the support comprises a first support and a second support, and the first support and the second support are connected through a fastener to fix the outer tube body on the transparent tube.

Furthermore, the outer pipe water inlet and the outer pipe water outlet are arranged on the outer pipe body or the bracket; and/or, outer tube body outside cover is equipped with the support frame that is used for protecting the outer tube body, and the support frame includes the bracing piece of placing along the axial, is equipped with the connecting hole on the support, and the terminal surface of bracing piece is equipped with the screw hole, and the screw passes the connecting hole along the axial and connects on the screw hole.

Further, the flexible heating body is a heating wire and/or a flexible heating film; alternatively, the width of the heating layer ranges from 0.2mm to 5 mm.

Further, the outer tube body is a metal piece or a quartz piece; or the difference value between the tube walls of the outer tube body and the transparent tube is less than 1 mm; or the outer tube body and the transparent tube are both quartz tubes, and the tube wall thickness of each quartz tube ranges from 0.8mm to 3 mm.

After the technical scheme is adopted, the utility model has the advantages of as follows: heating element is assembled by outer tube and hyaline tube (inner tube) nestification and is constituteed, constitutes certain fluid passage between the two, and water flows through from the runner, and the hyaline tube forms interior heating with first heating member cooperation, and the outer tube forms external heating with the cooperation of second heating member, carries out inside and outside synchronous heating for water simultaneously inside and outside, is favorable to improving the homogeneity of water heating, avoids local high temperature to lead to the temperature inhomogeneous. At the moment, the length of the whole heating assembly can be reduced, the size is reduced, and the heating assembly is convenient to apply to household appliances.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a structural diagram of a heating tube, an outer tube and a supporting frame of a heating assembly according to a first embodiment of the present invention;

FIG. 2 is a longitudinal cross-sectional view of FIG. 1;

FIG. 3 is an enlarged partial view of the end of the outer tube of FIG. 2;

FIG. 4 is a longitudinal sectional view of a heating pipe according to an embodiment of the present invention;

FIG. 5 is a longitudinal cross-sectional view of the heating tube and outer tube connection of the heating assembly of the second embodiment;

FIG. 6 is a longitudinal cross-sectional view of a heat pipe and a metal pipe heat-fusion seal of the heating assembly of the third embodiment;

FIG. 7 is an enlarged partial view of an alternative outer tube end;

fig. 8 is a longitudinal sectional view of a main body of a middle and outer tube according to the first embodiment.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1, 7, 8, a heating element, a serial communication port, including the hyaline tube 11, seal in first heating member 1 in the hyaline tube, the outside cover of hyaline tube is equipped with outer tube 2, is equipped with the zone of heating that supplies water to flow between outer tube and the hyaline tube, including the zone of heating wraps up the hyaline tube, is equipped with outer tube water inlet and outer tube delivery port with the zone of heating intercommunication on the outer tube, is equipped with the second on the lateral wall of outer tube and adds the heat member, first heating member 1 is carbon borer heating body or halogen tube heating body, and the second adds the heat member and. The flexible heating body is a heating wire and/or a flexible heating film.

In the prior art, the nano-film electric heating tube has low cost and small thermal inertia, but the nano-film can not be dried and burnt, and the temperature rise after the drying and burning can cause the rapid attenuation of the heating power of the nano-film, so the water temperature can not exceed 95 ℃ when the nano-film is used for heating, and the water can not be completely boiled. The infrared heating mode is adopted for heating, the heating efficiency is high, the thermal inertia is small, the dry burning is not afraid, 100 ℃ boiled water can be directly boiled out, but the cost is high due to the manufacturing process, and the wide popularization of the infrared heating mode is limited.

The heating assembly is formed by nesting and assembling an outer pipe and a transparent pipe (inner pipe), a certain fluid channel is formed between the outer pipe and the transparent pipe, water flows through a flow channel, the transparent pipe is matched with a first heating element to form internal heating, the outer pipe is matched with a second heating element to form external heating, and as shown in figure 7, the water is synchronously heated inside and outside the outer pipe, so that the uniformity of water heating is improved, and the phenomenon that the local temperature is too high to cause uneven temperature is avoided. At the moment, the length of the whole heating assembly can be reduced, the size is reduced, and the heating assembly is convenient to apply to household appliances.

The width scope of zone of heating is 0.2mm to 5mm, promptly the water course width between interior outer tube is preferred to be 0.2mm to 5 mm. The width of the water channel is too small, the flow resistance is large, the requirement on a water pump is high, and the flow and the temperature are not easy to control; if the width of the water channel is too large, the water flow layer between the inner heating pipe and the outer heating pipe is thick, the temperature of the inner surface and the outer surface is high, the intermediate temperature is low, and the temperature distribution in the water flow layer is uneven.

Further, the difference between the tube walls of the outer tube body 21 and the transparent tube 11 is less than 1mm, and the difference between the wall thicknesses of the inner tube and the outer tube is a passageway, so that the inner surface and the outer surface are heated unevenly, and the temperature distribution in the fluid is uneven.

In order to further improve the heating efficiency, preferably, the first heating member is a carbon fiber heating member, and the second heating member is a nano-film. The outer tube body and the transparent tube are both quartz tubes, the tube wall thickness range of the quartz tubes is 0.8mm to 3mm, the tube walls are too thin, the strength of the quartz tubes cannot be guaranteed, the quartz tubes are fragile, the tube walls are too thick, the heating efficiency is reduced, and the cost is high. The quartz tube is a hollow sleeve, the expansion coefficient of the quartz tube is extremely small, the quartz tube has high stability, can bear severe temperature change without cracking, and has high safety.

Combine fig. 8, the surface of outer tube body 21 is equipped with the nanomembrane 211 for the heating of zone of heating 3 to heating the liquid of zone of heating 3 inside and outside, liquid heating is more even in the zone of heating 3, avoids zone of heating 3 too thick and can't the complete boiling. Namely, a combined heating mode of the nano-film quartz electric heating tube and the carbon fiber quartz electric heating tube is adopted, the inner layer adopts the quartz carbon fiber heating tube, and the outer layer adopts the combined heating mode of the nano-film quartz electric heating tube, so that an element with high heating efficiency, small volume and low cost is formed, and the function of boiling water at 100 ℃ can be realized.

The carbon fiber heating element has long service life (continuous point burning) more than or equal to 6000h after being packaged in vacuum, and the heating element has no oxidation and breakdown phenomena in frequent starting, closing and long-term continuous work. And the carbon fiber heating element is heated by infrared light, has uniform heating luminosity and clean inner and outer pipe walls, and completely avoids the generation of an electromagnetic field unlike a metal heating element.

Meanwhile, in order to realize that the nanomembrane 211 can be heated by electricity, the outer surface of the outer tube 2 is further provided with a lead layer 212, and the lead layer 212 is in contact with two ends of the nanomembrane 211.

In this embodiment, the outer tube body 21 is a transparent quartz tube, the nanomembrane 211 is disposed on the outer side surface of the outer tube body 21, and the outer tube body 21 is provided with a reflective layer 213 that reflects infrared radiation to the heating layer 3 on the outer side of the nanomembrane 211. Therefore, infrared radiation can be reflected to the heating layer 3 through the reflecting layer 213, and liquid in the heating layer 3 can absorb more infrared radiation, so that the electrothermal conversion efficiency is improved. Of course, the outer tube body 21 may be a metal tube, and the inner wall of the metal tube may reflect infrared radiation, so that the reflective layer 213 is not additionally provided.

Of course, the first heating member 1 may also be a halogen heating member, for example, a metal wire is installed in the transparent tube 11, and halogen gas is filled in the transparent tube, and the metal wire is electrified for heating, so that the temperature rise is fast, the thermal inertia is small, the thermochemical performance is stable, and the service life is long.

Further, the outer tube comprises an outer tube body and supports arranged at two ends of the outer tube body, and the outer tube is in sealing fit with the transparent tube through the supports. Further, the outer tube body is a metal piece or a quartz piece, and the technical solution of the second embodiment or 3 may be specifically referred to.

Further, the support comprises a first support and a second support, and the first support and the second support are connected through a fastener to fix the outer tube body on the transparent tube. For example, the number of the first supports is two, the first supports are respectively located at two ends of the outer tube body and the transparent tube, the second support (support frame) is arranged between the two first supports, the two ends of the second support are respectively connected with the first supports, and at the moment, the first support or the second support can be matched with the end faces of the outer tube body and the transparent tube to achieve the effect of clamping and fixing.

Above-mentioned heating element can be used for soybean milk machine, food processor, steam ager etc. for example a water dispenser, including play water part, controller and above-mentioned heating element, water source 6 communicates with zone of heating 3 through outer tube water inlet 201, and zone of heating 3 passes through outer tube delivery port 202 and goes out water part intercommunication.

Example two:

as shown in fig. 1 to 3, this embodiment provides a heating element, first heating member 1 includes hyaline tube 11, be equipped with first heating member 1 in the hyaline tube, infrared radiation etc. jets out from hyaline tube 11 in, the outside cover of hyaline tube 11 is equipped with outer tube 2, be equipped with the zone of heating 3 that supplies water to flow between outer tube 2 and the hyaline tube 11, including zone of heating 3 wraps up hyaline tube 11, be equipped with outer tube water inlet 201 and outer tube delivery port 202 with 3 intercommunications in zone of heating on outer tube 2, water source 6 passes through outer

tube water inlet

201 and 3 intercommunications in zone of heating, outer tube 3 passes through outer tube delivery port 202 and water outlet component intercommunication, outer tube 2 is including the tubular metal 21 that prevents infrared radiation and see through.

At first, infrared radiation sees through the hyaline tube 11 and jets into zone of heating 3, the liquid absorption infrared radiation in the zone of heating 3 produces resonance, the hydrone looks mutual friction of resonance produces the fuel factor, the realization is heated the liquid in the zone of heating 3, and simultaneously, infrared radiation's penetrability is good, transmission distance is far away, more liquid can produce resonance in the zone of heating 3, its heat exchange efficiency is high, liquid heating rate is fast, guarantee that the liquid that outer tube delivery port 202 flows has completely boiled, satisfy the user drink the drinking water demand of heating promptly. Secondly, the outer tube 2 is sleeved on the outer side of the transparent tube 11 and forms a heating layer 3 wrapping the transparent tube 11, liquid flowing in the heating layer 3 can fully and uniformly absorb infrared radiation emitted by the first heating element 1, and the heating effect is good. Finally, the outer tube 2 is sleeved outside the transparent tube 11 through the metal tube 21, so that waste caused by direct emission of infrared radiation is avoided, and meanwhile, the reflection capability of the inner tube wall of the metal tube 21 is strong, so that the infrared radiation can be reflected to the heating layer 3 through the inner tube wall of the metal tube 21, liquid in the heating layer 3 can absorb more infrared radiation, and the electric-heat conversion efficiency is improved; in addition, the metal tube 21 sleeved outside the transparent tube 11 can protect the transparent tube 11 to prevent the transparent tube 11 from being damaged due to external impact, and meanwhile, the metal tube 21 is in sealing fit with the transparent tube 11 to prevent the liquid in the heating layer 3 from flowing out from two ends of the transparent tube 11.

In order to have the sealed cooperation of two kinds of pipes of different materials, tubular metal resonator 21 and hyaline tube 11 pass through the sealed cooperation of sealing member, and sealed simple process reduces the sealed complex cost of tubular metal resonator 21 and hyaline tube 11, and simultaneously, 1 easy dismounting of first heating member does benefit to the first heating member 1 of change damage, reduces the cost of maintenance of instant-heating water dispenser.

In this embodiment, the outer tube 2 further includes brackets 22 installed at both ends of the metal tube 21, the metal tube 21 is connected to the transparent tube 11 through the brackets 22, and the sealing member is formed by the brackets 22. The bracket 22 is used as a connecting piece to connect the metal tube 21 and the transparent tube 11 into a whole, so that the integrity of the metal tube 21 and the transparent tube 11 is ensured, and the metal tube 21 with higher hardness is prevented from directly contacting the brittle transparent tube 11 to break the transparent tube 11. Specifically, the support 22 is provided with a mounting hole 23 for the transparent tube 11 to pass through, a first sealing ring 41 is arranged in the mounting hole 23, and the support 22 presses the first sealing ring 41 on the outer peripheral side wall of the transparent tube 11 along the radial direction. Support 22 is through the sealed cooperation of first sealing washer 41 and hyaline tube 11, and not only sealed effectual, the cooperation is compacter moreover between support 22 and the hyaline tube 11, and the connection reliability of tubular metal resonator 21 and hyaline tube 11 is higher, and simultaneously, support 22 no longer with hyaline tube 11 direct contact, the selection of support 22 material is more diversified, in this embodiment, support 22 is the convenient plastic support 22 of machine-shaping.

It can be understood that the support 22 may also be a silica gel support, the metal tube 21 and the transparent tube 11 are both in interference fit with the silica gel support to realize sealing, and the silica gel support can be used as a connecting member and a sealing member, so that the connecting structure between the metal tube 21 and the transparent tube 11 is simplified.

In order to avoid the sealing failure caused by the displacement and distortion of the first sealing ring 41 when the transparent tube 11 and the support 22 are inserted and installed, the inner wall of the installation hole 23 is provided with a first installation groove 231 for installing the first sealing ring 41, and the first installation groove 231 limits the first sealing ring 41 to move in the axial direction, so that the sealing effect between the support 22 and the transparent tube 11 is ensured. In this embodiment, the support 22 includes an outer support 221 and a sealing support 222 axially located inside the outer support 221, and the first mounting groove 231 is formed by splicing the outer support 221 and the sealing support 222, so as to facilitate demolding during the processing of the support 22. The external bracket 221 protects both ends of the first heating member 1, prevents both ends of the first heating member 1 from being damaged or broken due to an external force, and ensures a service life of the first heating member 1.

Specifically, the side of the sealing holder 222 facing the outer holder 221 is provided with a step, and the first mounting groove 231 is formed by the side of the outer holder 221 facing the sealing holder 222 and the lateral and longitudinal step surfaces of the step. Of course, the side of the outer bracket 221 facing the sealing bracket 222 may be provided with a first half groove, and the side of the sealing bracket 222 facing the outer bracket 221 may be provided with a second half groove, and the first half groove and the second half groove are spliced to form the first mounting groove 231.

For the installation of making things convenient for support 22, hyaline tube 11 stretches out tubular metal resonator 21 along the axial, and tubular metal resonator 21 stretches into in the mounting hole 23 to the installation can be accomplished in hyaline tube 11 and tubular metal resonator 21 insert support 22's mounting hole 23 along the axial, and mounting process is simple and convenient, does benefit to the dismouting of first heating member 1. Meanwhile, in order to ensure the sealing effect between the metal tube 21 and the support 22, a second sealing ring 42 is arranged between the mounting hole 23 and the metal tube 21, and the support 22 compresses the second sealing ring 42 on the peripheral side surface of the metal tube 21 along the radial direction, so that the sealing between the metal tube 21 and the support 22 is ensured, the connection between the metal tube 21 and the support 22 is tighter, the connection integrity between the metal tube 21, the transparent tube 11 and the support 22 is strong, and meanwhile, the support 22 wraps the end part of the metal tube 21, and the heating efficiency is prevented from being influenced by the fact that heat in the heating layer 3 is greatly dissipated from the end part.

Similarly, in order to avoid the sealing failure of the second sealing ring 42 when the metal pipe 21 is in plug-in fit with the bracket 22, the inner wall of the mounting hole 23 is provided with a second mounting groove 232 for mounting the second sealing ring 42. The support 22 further includes an inner support 223 axially inside the sealing support 222, and it is understood that the second mounting groove 232 may be formed by splicing the sealing support 222 and the inner support 223. The second mounting groove 232 may be formed similarly to the first mounting groove 231, and thus, a detailed description thereof is omitted.

It is understood that the support 22 may also be inserted into the metal tube 21 and be in sealing engagement with the inner wall of the metal tube 21, specifically, the second sealing ring 42 is sleeved on the outer peripheral side surface of the support 22, and the outer peripheral side surface of the support 22 presses the second sealing ring 42 against the inner wall of the metal tube 21.

It will be understood that the sealing between the holder 22 and the metal tube 21 and the transparent tube 11 can be realized by a sealing ring, specifically, the mounting hole 23 is a stepped hole, and the stepped surface of the mounting hole 23 axially presses the first sealing ring 41 against the end surface of the metal tube 21.

In this embodiment, on support 22 was located to outer tube water inlet 201 and outer tube delivery port 202, not only the machine-shaping was convenient, had increased the axial flow length in the liquid heating layer 3 moreover, guaranteed that liquid heating is abundant. Of course, the outer tube inlet 201 and the outer tube outlet 202 may be provided on the metal tube 21.

In this embodiment, a support frame 5 for protecting the metal tube 21 is sleeved outside the metal tube 21, the support frame 5 includes a support rod 51 disposed along the axial direction, the support rod 51 is located inside the outer support 221 in the axial direction, the outer support 221 and the sealing support 222 are both provided with connecting holes, an end surface of the support rod 51 is provided with a screw hole 511, and a screw passes through the two connecting holes along the axial direction and is connected to the screw hole 511. Therefore, the support frame 5 is used as a connector of the supports 22 at the two ends, the outer support 221, the sealing support 222, the inner support 223 and the support frame 5 are connected into a whole, stable sealing between the support 22 and the metal pipe 21 and between the support 22 and the transparent pipe 11 is ensured, meanwhile, the support frame 5 protects the metal pipe 21 and the first heating element 1, and damage caused by external force impact on the metal pipe 21 and the first heating element 1 is avoided. Of course, the connection holes may be formed in the inner support 223 and the outer support 221, and similarly, the connection holes may be formed in the sealing support 222 and the inner support 223, and the sealing support 222 is engaged with the inner support 223 or is screw-coupled thereto.

It is understood that the brackets 22 may not be provided at the two ends of the metal tube 21, and specifically, the sealing members are ring-shaped sealing rings, so that the inner wall of the metal tube 21 directly presses the ring-shaped sealing rings against the outer wall of the transparent tube 11 to achieve sealing, and correspondingly, the outer tube water inlet 201 and the outer tube water outlet 202 are provided on the metal tube 21. Of course, the two ends of the metal tube 21 and the transparent tube 11 can also be directly matched in a sealing manner through the sealant, so that reliable connection can be realized, and the sealing effect can be ensured.

Referring to fig. 4, the first heating member 1 may be a carbon fiber heating tube, that is, the first heating member 1 is a carbon fiber 12, and the first heating member 1 heats the liquid by infrared radiation generated by electrifying the carbon fiber 12. Certainly, the first heating element 1 can also be a halogen heating tube, that is, a metal wire is installed in the transparent tube 11, and halogen gas is filled in the transparent tube, and the metal wire is electrified for heating, so that the heating is fast, the thermal inertia is small, the thermochemical performance is stable, and the service life is long.

As shown in fig. 5, the first mounting groove 231 can also be directly disposed on the sealing support 222, and the integrity of the first sealing ring 41 and the sealing support 222 is stronger, so as to avoid omission or loss of the first sealing ring 41 during the mounting and dismounting process, and thus the mounting of the first sealing ring 41 is no longer affected by the mounting of the outer support 221 and the sealing support 222. Similarly, the second mounting groove 232 may be formed on the sealing bracket 222.

As shown in fig. 6, the metal tube 21 and the transparent tube 11 may also be sealed by heat fusion, and the outer tube inlet 201 and the outer tube outlet 202 are disposed on the metal tube 21. Not only the leakproofness of hot melt seal is good, has reduced the machining precision requirement of tubular metal resonator 21, avoids establishing other sealing members in addition and increases the installation degree of difficulty, and the hot melt is sealed can be connected tubular metal resonator 21 and hyaline tube 11 as an organic whole moreover, and the wholeness is strong, avoids tubular metal resonator 21 to take place axial displacement for hyaline tube 11 relatively.

Other structures not described may refer to the structures of embodiment one.

Example three:

as shown in fig. 1 to 3, this embodiment provides a heating element, including the hyaline tube 11, be equipped with first heating member 1 in the hyaline tube, the outside cover of hyaline tube 11 is equipped with outer tube 2, be equipped with the mobile zone of heating 3 of supplying water between outer tube 2 and the hyaline tube 11, including zone of heating 3 wraps up hyaline tube 11, be equipped with outer tube water inlet 201 and outer tube delivery port 202 with 3 intercommunications of zone of heating on outer tube 2, water source 6 passes through outer

tube water inlet

201 and 3 intercommunications of zone of heating, 3 passes through outer tube delivery port 202 and water outlet part intercommunications of zone of heating, sealing member and.

At first, infrared radiation etc. see through hyaline tube 11 and inject into zone of heating 3, the liquid absorption infrared radiation in the zone of heating 3 and produce resonance, the hydrone looks mutual friction of resonance produces the fuel factor, the realization is heated the liquid in the zone of heating 3, and simultaneously, infrared radiation's penetrability is good, transmission distance is far away, more liquid can produce resonance in the zone of heating 3, its heat exchange efficiency is high, liquid heating rate is fast, guarantee that the liquid that outer tube delivery port 202 flows has completely boiled, satisfy the user and drink the drinking water demand of heating promptly. Secondly, the outer tube 2 is sleeved on the outer side of the transparent tube 11 and forms a heating layer 3 wrapping the transparent tube 11, liquid flowing in the heating layer 3 can fully and uniformly absorb infrared radiation emitted by the first heating element 1, and the heating effect is good. Finally, the sealed cooperation of sealing member and hyaline tube 11 is passed through at the both ends of outer tube 2, not only prevents that the liquid in the zone of heating 3 from flowing from the both ends of hyaline tube 11, avoids outer tube 2 direct and more fragile hyaline tube 11 contact moreover and knocks through hyaline tube 11, and simultaneously, sealing member,

first heating member

1 and 2 easy dismounting of outer tube do benefit to the first heating member 1 of change damage, reduce heating element's cost of maintenance.

In this embodiment, the outer tube 2 includes an outer tube body 21 and brackets 22 disposed at two ends of the outer tube body 21, and the outer tube 2 is matched with the sealing member through the brackets 22. The support 22 serves as a connecting piece to connect the outer tube body 21 and the transparent tube 11 into a whole, so as to ensure the integrity of the two, specifically, the support 22 is provided with a mounting hole 23 for the transparent tube 11 to pass through, the sealing piece includes a first sealing ring 41 arranged in the mounting hole 23, and the support 22 presses the first sealing ring 41 on the outer peripheral side wall of the transparent tube 11 in the radial direction. Support 22 is through the sealed cooperation of first sealing washer 41 and hyaline tube 11, and not only sealed effectual, the cooperation is compacter moreover between support 22 and the hyaline tube 11, and the connection reliability of outer tube body 21 and hyaline tube 11 is higher, and simultaneously, support 22 no longer with hyaline tube 11 direct contact, the selection of support 22 material is more diversified, in this embodiment, support 22 is the convenient plastic support 22 of machine-shaping.

It can be understood that the support 22 may also be a silica gel support, the sealing member is formed by a silica gel support, the outer tube body 21 is in sealing fit with the transparent tube 11 through the silica gel support, and the outer tube water inlet 201 and the outer tube water outlet 202 are disposed on the outer tube body 21 or the silica gel support. The outer tube body 21 and the transparent tube 11 are in interference fit with the silica gel support to realize sealing, the silica gel support can be used as a connecting piece and a sealing piece, and the connecting structure between the outer tube body 21 and the transparent tube 11 is simplified.

In order to avoid the displacement and distortion of the first sealing ring 41 during the insertion installation of the transparent tube 11 and the support 22, the inner wall of the installation hole 23 is provided with a first installation groove 231 for installing the first sealing ring 41, and the first installation groove 231 limits the first sealing ring 41 to move and distort in the axial direction, so that the sealing effect between the support 22 and the transparent tube 11 is ensured. In this embodiment, the support 22 includes an outer support 221 and a sealing support 222 axially located inside the outer support 221, and the first mounting groove 231 is formed by splicing the outer support 221 and the sealing support 222, so as to facilitate demolding during the processing of the support 22. The external support 221 protects the end of the first heating member 1, and prevents the end of the first heating member 1 from being influenced by external force to be electrified, thereby ensuring the service life of the first heating member 1.

For the installation of making things convenient for support 22, outer tube body 21 is stretched out along the axial to hyaline tube 11, and outer tube body 21 stretches into in the mounting hole 23 to the installation can be accomplished in hyaline tube 11 and outer tube body 21 insert support 22's mounting hole 23 along the axial, and mounting process is simple and convenient, does benefit to the dismouting of first heating member 1. Meanwhile, in order to ensure the sealing effect between the outer tube body 21 and the support 22, a second sealing ring 42 is arranged between the mounting hole 23 and the outer tube body 21, the support 22 radially compresses the second sealing ring 42 on the peripheral side surface of the outer tube body 21, so that the sealing between the outer tube body 21 and the support 22 is ensured, the connection between the outer tube body 21 and the support 22 is more compact, the integrity of the connection between the outer tube body 21, the transparent tube 11 and the support 22 is strong, and meanwhile, the support 22 wraps the end part of the outer tube body 21, and the heating efficiency is prevented from being influenced by the fact that heat in the heating layer 3 is greatly dissipated from the end part.

Similarly, in order to avoid the sealing failure of the second sealing ring 42 when the outer tube body 21 is in plug-in fit with the bracket 22, the inner wall of the mounting hole 23 is provided with a second mounting groove 232 for mounting the second sealing ring 42. The support 22 further includes an inner support 223 axially inside the sealing support 222, and it is understood that the second mounting groove 232 may be formed by splicing the sealing support 222 and the inner support 223. The second mounting groove 232 is formed similarly to the first mounting groove 231, and thus, a detailed description thereof is omitted.

It can be understood that the bracket 22 can also be inserted into the outer tube body 21 and is in sealing fit with the inner tube wall of the outer tube body 21, specifically, the second sealing ring 42 is sleeved on the outer peripheral side surface of the bracket 22, and the outer peripheral side surface of the bracket 22 presses the second sealing ring 42 against the inner tube wall of the outer tube body 21;

it is understood that the sealing between the bracket 22 and the outer tube body 21 and the transparent tube 11 can be realized by a sealing ring, specifically, the mounting hole 23 is a stepped hole, and the stepped surface of the mounting hole 23 axially presses the first sealing ring 41 against the end surface of the outer tube body 21.

In this embodiment, on support 22 was located to outer tube water inlet 201 and outer tube delivery port 202, not only the machine-shaping was convenient, had increased the axial flow length in the liquid heating layer 3 moreover, guaranteed that liquid heating is abundant. Of course, the outer tube inlet 201 and the outer tube outlet 202 may be provided on the outer tube body 21.

In this embodiment, a support frame 5 for protecting the outer tube 2 is sleeved on the outer side of the outer tube body 21, the support frame 5 includes a support rod 51 disposed along the axial direction, the support rod 51 is located on the inner side of the outer support 221 in the axial direction, both the outer support 221 and the sealing support 222 are provided with connecting holes, an end surface of the support rod 51 is provided with a screw hole 511, and a screw passes through the two connecting holes along the axial direction and is connected to the screw hole 511. Thereby support frame 5 is as the connecting piece of both ends support 22, connects outer support 221, sealed support 222, inner support 223 and support frame 5 as an organic whole, guarantees the stable sealed between support 22 and outer tube body 21 and the hyaline tube 11, and simultaneously, support frame 5 protection outer tube 2 and first heating member 1 avoid outer tube 2 and first heating member 1 to receive external force striking and cause the damage. Of course, the connection holes may be formed in the inner support 223 and the outer support 221, and similarly, the connection holes may be formed in the sealing support 222 and the inner support 223, and the sealing support 222 is engaged with the inner support 223 or is screw-coupled thereto.

It can be understood that the brackets 22 may not be provided at both ends of the outer tube body 21, and specifically, the sealing members are ring-shaped sealing rings, so that the inner wall of the outer tube body 21 directly presses the ring-shaped sealing rings against the outer wall of the transparent tube 11 to achieve sealing, and correspondingly, the outer tube water inlet 201 and the outer tube water outlet 202 are provided on the outer tube body 21. Of course, the two ends of the outer tube body 21 and the transparent tube 11 can also be directly matched in a sealing manner through the sealant, so that reliable connection can be realized, and the sealing effect can be ensured.

As shown in fig. 6, the first mounting groove 231 can also be directly disposed on the sealing support 222, so that the integrity of the first sealing ring 41 and the sealing support 222 is stronger, and omission or loss of the first sealing ring 41 during the assembling and disassembling process is avoided, so that the first sealing ring 41 is no longer affected by the mounting of the outer support 221 and the sealing support 222. Similarly, the second mounting groove 232 may be formed on the sealing bracket 222.

In this embodiment, the outer tube 2 may no longer be in sealing fit with the transparent tube 11 through a sealing member, but the outer tube body 21 and the transparent tube 11 are sealed by hot melting, and the outer tube water inlet 201 and the outer tube water outlet 202 are disposed on the outer tube body 21. Not only the leakproofness of hot melt seal is good, has reduced outer tube body 21's machining precision requirement, avoids establishing other sealing members in addition and increases the installation degree of difficulty, and the hot melt is sealed can be connected outer tube body 21 and hyaline tube 11 as an organic whole moreover, and the wholeness is strong, avoids outer tube body 21 to take place axial displacement for hyaline tube 11 relatively. In this embodiment, the outer tube body 21 may be a metal tube or a quartz tube.

Other structures not described may refer to the structures of embodiment one.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims

1. The utility model provides a heating element, a serial communication port, including the hyaline tube, seal in first heating member in the hyaline tube, the outside cover of hyaline tube is equipped with the outer tube, is equipped with the zone of heating that supplies water to flow between outer tube and the hyaline tube, including the zone of heating wraps up the hyaline tube, is equipped with outer tube water inlet and outer tube delivery port with the zone of heating intercommunication on the outer tube, is equipped with the second on the lateral wall of outer tube and adds the heat-insulating material, first heating member is carbon borer dimension heating body or halogen tube heating member, and the.

2. The heating assembly of claim 1, wherein the flexible heating element is a nanomembrane.

3. The heating assembly of claim 2, wherein the outer tube is provided with a reflective layer that reflects infrared radiation to the heating layer on an outer side of the nanomembrane; and/or the outer surface of the outer tube is also provided with a lead layer, and the lead layers are in contact with two ends of the nano film.

4. The heating assembly of claim 1, wherein the outer tube comprises an outer tube body and brackets disposed at two ends of the outer tube body, and the outer tube is in sealing engagement with the transparent tube through the brackets.

5. The heating assembly of claim 4, wherein the bracket is sealed to the outer tube body by a seal; and/or the bracket and the transparent tube are sealed through a sealing member.

6. The heating assembly as claimed in claim 5, wherein the holder is provided with a mounting hole for the transparent tube to pass through, a first sealing ring is arranged in the mounting hole, and the holder radially presses the first sealing ring against the outer circumferential side wall of the transparent tube; and/or the bracket is provided with a mounting hole for the transparent pipe to pass through, the transparent pipe axially extends out of the outer pipe body, the outer pipe body extends into the mounting hole, a second sealing ring is arranged between the mounting hole and the outer pipe body, and the bracket radially compresses the second sealing ring on the peripheral side surface of the outer pipe body; and/or the periphery of the bracket is sleeved with a second sealing ring, and the side surface of the periphery of the bracket presses the second sealing ring on the inner pipe wall of the outer pipe body; or the mounting hole is a stepped hole, and the first sealing ring is pressed on the end face of the outer pipe body along the axial direction by the stepped surface of the mounting hole.

7. The heating assembly of any of claims 4-6, wherein the bracket comprises a first bracket and a second bracket, the first bracket and the second bracket being connected by a fastener to secure the outer tube body to the transparent tube.

8. The heating assembly of any one of claims 4 to 6, wherein the outer tube water inlet and the outer tube water outlet are provided on the outer tube body or on the bracket; and/or, outer tube body outside cover is equipped with the support frame that is used for protecting the outer tube body, and the support frame includes the bracing piece of placing along the axial, is equipped with the connecting hole on the support, and the terminal surface of bracing piece is equipped with the screw hole, and the screw passes the connecting hole along the axial and connects on the screw hole.

9. The heating assembly according to claim 1, wherein the flexible heating body is a heating wire and/or a flexible heating film; alternatively, the width of the heating layer ranges from 0.2mm to 5 mm.

10. The heating assembly of claim 4, wherein the outer tube body is a metal or quartz piece; or the difference value between the tube walls of the outer tube body and the transparent tube is less than 1 mm; or the outer tube body and the transparent tube are both quartz tubes, and the tube wall thickness of each quartz tube ranges from 0.8mm to 3 mm.