CN204593881U - A kind of heating apparatus of electric water heater and electric heater - Google Patents

A kind of heating apparatus of electric water heater and electric heater Download PDF

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Publication number
CN204593881U
CN204593881U CN201520118658.2U CN201520118658U CN204593881U CN 204593881 U CN204593881 U CN 204593881U CN 201520118658 U CN201520118658 U CN 201520118658U CN 204593881 U CN204593881 U CN 204593881U
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China
Prior art keywords
heating
water heater
electric water
heating apparatus
support body
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CN201520118658.2U
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Chinese (zh)
Inventor
马峰
王军
赵小勇
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Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
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Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
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Priority to CN201520118658.2U priority Critical patent/CN204593881U/en
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Abstract

The utility model discloses a kind of heating apparatus of electric water heater and electric heater, relate to electric heater technical field.This heating apparatus of electric water heater comprise be heated after can the heating wire of deformation, described heating wire is connected with external power source; Also comprise at least one pair of insulation support body, often pair of described insulation support body is all wound around a described heating wire, described heating wire directly contacts with the water in water heater liner, for heating the water in described inner bag.The invention also discloses one and comprise shell, inner bag, water inlet pipe, outlet pipe and magnesium rod, also comprise the electric heater of heating apparatus of electric water heater as above.Heating apparatus of electric water heater structure of the present utility model is simple, achieves the self-cleaning of incrustation scale, not only increases its efficiency of heating surface, and extend service life.

Description

A kind of heating apparatus of electric water heater and electric heater
Technical field
The utility model relates to electric heater technical field, particularly relates to a kind of heating apparatus of electric water heater and has the electric heater of this heating apparatus of electric water heater.
Background technology
At present, the heating tube of electric heater of prior art generally adopts the packaged type structure of magnesium powder and stainless steel tube, and heating wire is mainly encapsulated in magnesium powder by this structure, and the surface area of this heating tube is larger, and not easily producing physical deformation, its phenomenon of expanding with heat and contract with cold is also not obvious.Due to this heating tube operationally, its surface temperature is too high, makes incrustation scale easily assemble surface in heating tube, causes the efficiency of heating surface of electric heater to decline, and the service life of electric heater shortens.
Based on above description, need badly and want a kind of new heating apparatus of electric water heater, low with the efficiency of heating surface solving the existence of existing electric heater, the problem that service life is short.
Utility model content
It is simple that an object of the present utility model is to propose a kind of structure, and can realize the self-cleaning of incrustation scale, the efficiency of heating surface is high, the heating apparatus of electric water heater of long service life.
Another object of the present utility model is to propose a kind of electric heater comprising heating apparatus of electric water heater as above.
For reaching this object, the utility model by the following technical solutions:
The utility model provides a kind of heating apparatus of electric water heater, described heating apparatus of electric water heater comprise be heated after can the heating wire of deformation, described heating wire is connected with external power source;
Also comprise at least one pair of insulation support body, often pair of described insulation support body is all wound around a described heating wire, described heating wire directly contacts with the water in water heater liner, for heating the water in described inner bag.
As a kind of preferred version, described insulation support body adopts ceramic material.
As a kind of preferred version, the inside of described insulation support body is provided with heating core, and described heating core is used for the installation of insulation support body, and described heating core is connected with power line, and for powering for described heating wire.
As a kind of preferred version, described heating core is provided with binding post, described heating wire is by binding post and described heating core conducting.
As a kind of preferred version, described heating wire is spirally wrapped around on insulation support body described in a pair.
As a kind of preferred version, described heating core and described insulation support body unitary packed or be integrally connected.
As a kind of preferred version, described heating core is fixedly mounted on the flange of described liner end enclosure by connector.
As a kind of preferred version, the contact surface of described heating core and described flange is provided with felt pad.
As a kind of preferred version, between described heating core and described flange, be provided with sealing gasket.
The utility model additionally provides a kind of electric heater, comprises shell, inner bag, water inlet pipe, outlet pipe and magnesium rod, also comprises the heating apparatus of electric water heater as above described in any one.
The beneficial effects of the utility model are:
The utility model provides a kind of heating apparatus of electric water heater, this heating apparatus of electric water heater comprise be heated after can the heating wire of deformation, described heating wire is connected with external power source; Also comprise at least one pair of insulation support body, often pair of described insulation support body is all wound around a described heating wire, described heating wire directly contacts with the water in water heater liner, for heating the water in described inner bag.Heating wire of the present utility model is directly arranged in the water body in inner container of electric water heater, not by magnesium powder, stainless steel tube conducts heat to water body, and directly water is heated, because heating wire has the characteristic of elastically deformable, when power on/off, heating wire profile changes obviously, thus make the incrustation scale on heating wire surface self falling under the effect of heating wire deformation power, protection heating wire avoids causing the reduction of the efficiency of heating surface and the shortening in service life because of the assembly of incrustation scale, heating apparatus of electric water heater structure of the present utility model is simple, achieve the self-cleaning of incrustation scale, not only increase its efficiency of heating surface, and extend service life.
The utility model additionally provides a kind of electric heater comprising shell, inner bag, water inlet pipe, outlet pipe, magnesium rod and the above heating apparatus of electric water heater, and this electric heater not only efficiency of heating surface is high, and long service life.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in the description of the utility model embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the utility model embodiment and these accompanying drawings.
Fig. 1 is the structural representation of the electric heater that the utility model preferred embodiment provides;
Fig. 2 is the installation diagram of the heating apparatus of electric water heater that the utility model preferred embodiment provides;
Fig. 3 is the exploded view of the heating apparatus of electric water heater that the utility model preferred embodiment provides.
In figure, 1, heating wire; 2, inner bag; 3, insulation support body; 4, heating core; 5, flange; 6, felt pad; 7, connector; 8, sealing gasket; 9, water inlet pipe; 10, outlet pipe; 11, magnesium rod; 12, shell;
40, first heating core; 41, first binding post; 42, tail heating core; 43, tail binding post.
Detailed description of the invention
The technical problem solved for making the utility model, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Preferred embodiment
Present embodiments provide a kind of heating apparatus of electric water heater, this heating apparatus of electric water heater can be applicable in electric heater, the structure of this electric heater as shown in Figure 1, this electric heater comprises shell 12, inner bag 2, water inlet pipe 9, outlet pipe 10 and magnesium rod 11, wherein, water inlet pipe 9, outlet pipe 10 and magnesium rod 11 stretch in inner bag 2 by the bottom of inner bag 2, the end socket of inner bag 2 are provided with flange 5, also comprise the heating apparatus of electric water heater described in this embodiment.This electric heater can not only improve its efficiency of heating surface, and extends the service life of electric heater.
As shown in Figures 2 and 3, it comprises the heating wire 1 of elastically deformable to the structure of the heating apparatus of electric water heater of the present embodiment, and heating wire 1 is connected with external power source; Also comprise at least one pair of insulation support body 3, often pair of described insulation support body 3 is all wound around a described heating wire 1, described heating wire 1 directly contacts with the water in water heater liner 2, for heating the water in described inner bag 2.
The heating wire 1 of the application does not add encapsulation, directly be arranged in the water body in inner container of electric water heater 2, not by magnesium powder, stainless steel tube conducts heat to water body, and directly water is heated, because heating wire 1 has the characteristic of elastically deformable, when power on/off, the profile of heating wire 1 changes obviously, thus make the incrustation scale on heating wire 1 surface self falling under the effect of heating wire 1 deformation power, protection heating wire 1 avoids causing the reduction of the efficiency of heating surface and the shortening in service life because of the assembly of incrustation scale, the heating apparatus of electric water heater structure of the application is simple, achieve the self-cleaning of incrustation scale, not only increase its efficiency of heating surface, and extend service life.
In the present embodiment, preferably, heating wire 1 has elastic construction, and is spirally wrapped around on a pair insulation support body 3, i.e. two insulation support bodies 3, and heating wire 1 length be wrapped on two insulation support bodies 3 is less than the total length of insulation support body 3.This canoe of this heating wire increases the contact surface area of heating wire and water, thus effectively improves the efficiency of heating surface of heating wire.
In the present embodiment, insulation support body 3 adopts ceramic material, and that is, insulation support body 3 can be ceramic rod, on the one hand, due to ceramic rod good insulating, corrosion-resistant, therefore, not only safe and reliable, long service life, and to water nonpollution; On the other hand, ceramic rod can as heater, and its area of dissipation that is heated is large, and therefore, the thermal efficiency of ceramic rod is high, saves electric energy, reduces use cost.
In the present embodiment, preferably, conveniently installing insulating supporter 3, the inside of two insulation support bodies 3 is provided with heating core 4, and one end of each heating core 4 is fixedly mounted on the flange 5 of inner bag 2 end socket respectively by connector 7.In addition, in order to strengthen structural strength, each heating core 4 can form integrative-structure by encapsulated moulding with the insulation support body 3 of complete configuration, or by assembling, be closely reliably connected to form one structure.So, the fixed installation of heating core 4 and insulation support body 3 is achieved.
In the present embodiment, concrete, as shown in Figures 2 and 3, heating core 40 and tail heating core 42 headed by two heating cores 4, one end of the first heating core 40 and tail heating core 42 that stretch out inner bag 2 is connected to the external power cord for powering for heating wire 1, first heating core 40 is provided with first binding post 41, tail heating core 42 is provided with tail binding post 43, the head end of heating wire 1 connects the first binding post 41 on first heating core 40, its tail end connects the tail binding post 43 on tail heating core 42, whole heating wire 1 is spirally wrapped around on two insulation support bodies 3 being installed on respectively on first heating core 40 and tail heating core 42.So, the conducting that heating wire 1 and first heating core 40 and tail heating core 42 are formed on circuit is connected.
In the present embodiment, preferably, heating core 4 and the contact surface of flange 5 are provided with felt pad 6, can effectively prevent conducting between heating core 4 and flange 5, avoid flange 5 charged and cause certain potential safety hazard, improve the security reliability of use.
In the present embodiment, preferably, be provided with sealing gasket 8 between heating core 4 and flange 5, when can effectively prevent heating core 4 and flange 5 to be socketed, leaking appears in flange hole.
In the present embodiment, above-mentioned connector 7 preferred structure is simple, the nut of low cost of manufacture, and heating core 4 and flange 5 are carried out compact siro spinning technology by nut, effectively prevent sealing gasket 8 and loosens and leak, prevent heating core 4 to split away off from flange 5.
The kit configurations such as the insulation support body 3 in the present embodiment, heating core 4, felt pad 6, sealing gasket 8 and connector 7, that is, the present embodiment has two cover configuration structures, and this two covers configuration structure makes heating wire 1 be easy to introduce power access end in the same side of flange 5.
Heating apparatus of electric water heater in the application is not limited to and arranges a pair insulation support body, can also the quantity such as two or three pairs of be set, each insulation support body inside all arranges a heating core, and one end of each described heating core is fixedly mounted on the flange of liner end enclosure respectively by a connection piece.Often pair of insulation support body is all wound around a heating wire, and every root heating wire is connected with external power source.
Preferably, the heating core in two insulation support bodies of often pair of insulation support body connects external power cord respectively, for powering for heating wire.
Preferably, heating core in one of them insulation support body of often pair of insulation support body is by one end conducting of binding post that this heating core is arranged and heating wire, heating core in another insulation support body is by the other end conducting of binding post that this heating core is arranged and heating wire, and heating wire entirety is spirally wrapped around on two insulation support bodies.
Preferably, in order to prevent conducting between heating core and flange, improving safe handling property, the contact surface of each heating core and flange being provided with a felt pad.
Preferably, when being socketed to prevent heating core and flange, leaking appears in flange hole, is provided with a sealing gasket between each heating core and flange.
The kit configurations such as the insulation support body in the application, heating core, felt pad, sealing gasket and connector, the quantity of each parts can need to arrange according to real work, as long as meet and can improve the efficiency of heating surface, increase the service life, the requirement of production cost can be reduced again.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Skilled person in the art will appreciate that the utility model is not limited to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and protection domain of the present utility model can not be departed from.Therefore, although be described in further detail the utility model by above embodiment, but the utility model is not limited only to above embodiment, when not departing from the utility model design, can also comprise other Equivalent embodiments more, and scope of the present utility model is determined by appended right.

Claims (10)

1. a heating apparatus of electric water heater, is characterized in that, described heating apparatus of electric water heater comprise be heated after can the heating wire (1) of deformation, described heating wire (1) is connected with external power source;
Also comprise at least one pair of insulation support body (3), often pair of described insulation support body (3) is all wound around a described heating wire (1), described heating wire (1) directly contacts with the water in water heater liner (2), for heating the water in described inner bag (2).
2. heating apparatus of electric water heater according to claim 1, is characterized in that, described insulation support body (3) adopts ceramic material.
3. heating apparatus of electric water heater according to claim 1 and 2, it is characterized in that, the inside of described insulation support body (3) is provided with heating core (4), described heating core (4) is for the installation of insulation support body (3), described heating core (4) is connected with power line, and for being described heating wire (1) power supply.
4. heating apparatus of electric water heater according to claim 3, is characterized in that, (4) are provided with binding post to described heating core, and described heating wire (1) is by binding post and described heating core (4) conducting.
5. heating apparatus of electric water heater according to claim 1, is characterized in that, described heating wire (1) is spirally wrapped around on insulation support body described in a pair (3).
6. heating apparatus of electric water heater according to claim 3, is characterized in that, described heating core (4) is with described insulation support body (3) unitary packed or be integrally connected.
7. heating apparatus of electric water heater according to claim 3, is characterized in that, described heating core (4) is fixedly mounted on the flange (5) of described inner bag (2) end socket by connector (7).
8. heating apparatus of electric water heater according to claim 7, is characterized in that, described heating core (4) and the contact surface of described flange (5) are provided with felt pad (6).
9. heating apparatus of electric water heater according to claim 7, is characterized in that, is provided with sealing gasket (8) between described heating core (4) and described flange (5).
10. an electric heater, comprise shell (12), inner bag (2), water inlet pipe (9), outlet pipe (10) and magnesium rod (11), it is characterized in that, also comprise the heating apparatus of electric water heater as described in any one of claim 1-9.
CN201520118658.2U 2015-02-27 2015-02-27 A kind of heating apparatus of electric water heater and electric heater Active CN204593881U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520118658.2U CN204593881U (en) 2015-02-27 2015-02-27 A kind of heating apparatus of electric water heater and electric heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520118658.2U CN204593881U (en) 2015-02-27 2015-02-27 A kind of heating apparatus of electric water heater and electric heater

Publications (1)

Publication Number Publication Date
CN204593881U true CN204593881U (en) 2015-08-26

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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109764532A (en) * 2018-12-28 2019-05-17 河南京鲸智能电器有限公司 A kind of heating device for electric heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109764532A (en) * 2018-12-28 2019-05-17 河南京鲸智能电器有限公司 A kind of heating device for electric heater

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