CN207230903U - Electric heating assembly and the electric heater unit with the electric heating assembly - Google Patents
Electric heating assembly and the electric heater unit with the electric heating assembly Download PDFInfo
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- CN207230903U CN207230903U CN201720935542.7U CN201720935542U CN207230903U CN 207230903 U CN207230903 U CN 207230903U CN 201720935542 U CN201720935542 U CN 201720935542U CN 207230903 U CN207230903 U CN 207230903U
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- heating
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- electric heating
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- heating assembly
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Abstract
A kind of electric heating assembly and the electric heater unit with the electric heating assembly, electric heating assembly includes at least one heating element and turbulent element, heating element includes heated substrate, heating layer and electrode layer, heating layer, electrode layer are located at heated substrate outer wall, turbulent element is located at heating element inner cavity, turbulent element includes entity portion, and the heating passage includes the space between turbulent element and heating element, and entity portion side is the part for heating passage.
Description
【Technical field】
It the utility model is related to the fields such as electrical apparatus technology, and in particular to a kind of electric appliance of electrified heating device.
【Background technology】
Existing liquid heating includes dynamic liquid heating and static liquid heating, and static liquid heating, such as holds at some
Device heats a certain amount of water, generally uses electrical heating matrix, electrical heating matrix is needed to liquid in whole container at this time
Heated, the heating liquid time is longer.
And dynamic liquid heating much uses and pipeline, runner are arranged in heat-conduction medium, and resistance wire is embedded in heat
In transmitting medium, the liquid flowed through in pipeline is heated by heat-conduction medium, to make heating effect significantly, it is necessary to resistance
Silk preheats heat-conduction medium, and therefore, the heating liquid time is longer.
【Utility model content】
The purpose of this utility model is to provide a kind of opposite electric heating assembly for shortening heating time and there is the electricity
The electric heater unit of heating component.
To achieve the above object, the utility model adopts the following technical solution：A kind of electric heating assembly, including it is at least one
Heating element and turbulent element, the heating element include heated substrate, heating layer and electrode layer, the heating layer, electrode
Layer is located at the heated substrate outer wall, and for the heating layer between the electrode layer, the heating element has inner cavity, described
Turbulent element is at least partially disposed at the heating element inner cavity, and the turbulent element includes entity portion, and the heating passage includes
Space between turbulent element and heating element, entity portion side are the part for heating passage.
A kind of electric heater unit, including housing and electric heating assembly, the electric heater unit include installation cavity, the installation
Chamber includes the space that the housing is formed, and the electric heating assembly is located at the installation cavity, and the electric heating assembly is above-mentioned
Electric heating assembly.
In the technical solution of the utility model, the electric heating assembly includes at least a heating element and turbulent element,
The turbulent element is at least partially disposed at the heating element inner cavity, and the turbulent element is capable of adding for relative increase working media
Hot area, extends the heating path of working media, accompanies and shortens the heating time of working media.
【Brief description of the drawings】
Fig. 1 is a kind of dimensional structure diagram of electric heater unit；
Fig. 2 is the Split type structure schematic diagram of Fig. 1 electric heater units；
Fig. 3 is a dimensional structure diagram of turbulent element in Fig. 2；
Fig. 4 is a dimensional structure diagram of heating element in Fig. 2；
Fig. 5 is an a kind of dimensional structure diagram of electric heating assembly in Fig. 1；
Fig. 6 is a kind of schematic cross-section of electric heating assembly in Fig. 5；
Fig. 7 is a schematic cross-section of another electric heating assembly and relevant portion in Fig. 1；
Fig. 8 is a part-structure perspective view of second of embodiment of turbulent element；
Fig. 9 is a part-structure perspective view of the third embodiment of turbulent element.
【Embodiment】
Fig. 1-6 are referred to, electric heater unit 100 includes housing 1, electric heating assembly 10 and positioning component 5, electrical heating
Component 10 includes heating element 2, turbulent element 3, connector 4 and positioning component 5, wherein, housing 1 has installation cavity, heating
Element 2,3 connector 4 of turbulent element, positioning component 5 are located at the installation cavity, and housing 1 includes the first housing 11 and the second housing 12,
First housing 11 is mutually fixed with the second housing 12, and installation cavity includes the space that the first housing 11 and the second housing 12 are formed；Heating
Element 2 includes heated substrate 21, heating layer 22 and electrode layer 23, and heating layer 22, electrode layer 23 are located at 21 outer wall of heated substrate,
Heating layer 22 is between electrode layer 21；Heating element 2 has the inner cavity of inner cavity, that is, heated substrate 21, at least portion of turbulent element 3
Divide and be located at 21 inner cavity of heated substrate, turbulent element 3 includes entity portion 31, and turbulent element 3 further includes the space part outside entity portion
32, space part 32 is connected with heating element inner cavity, and electric heating assembly 100 further includes heating passage, and heating passage includes at least
Space, space part between turbulent element entity portion and heating element inner cavity are a part for heating passage.
Electric heater unit 100 includes heating element 2, and heating element 2 includes at least the first heating element 24, please refer to Fig.2-
Fig. 4, heating element 2 include heated substrate 21, heating layer 22 and electrode layer 23, and heating layer 22, electrode layer 23 are positioned at heating base
21 outer wall of body, between electrode layer 23, electrode layer 23 connects heating layer 22 with external circuit, and heating layer 23 is powered and is sent out
Heat, and then working media is heated, heated substrate 21 can use quartz glass material, silicon carbide material etc., heating layer
22 can use electric heating film, and electrode layer 23 can use the electric glue of silver.In embodiment shown in Fig. 4, single heated substrate
Outer wall sets 2 layers of electrode layer, and as other embodiments, single heated substrate outer wall can set 3 layers and with upper electrode layer.
Electric heater unit 100 includes at least a heating element 2, and in the illustrated embodiment, electric heater unit 100 includes 4 and adds
Thermal element 2, is the first heating element 24, the second heating element 25, the 3rd heating element 23 and the 4th heating element 24 respectively,
First, second, third and the 4th heating element there is upstream end and outlet side, upstream end is that working media enters heating unit
The port of part, outlet side are the port of working media outflow heating element.First, second, third and the 4th heating element
Join end to end to form the form of series connection, i.e. the upstream end of the outlet side of the first heating element 24 and the second heating element 25 passes through company
Fitting 4 is connected, and the outlet side of the second heating element 25 is connected with the upstream end of the 3rd heating element 26, the 3rd heating element 26
Outlet side is connected with the upstream end of the 4th heating element 27, the upstream end of the first heating element 24 and electric heater unit 100 into
Mouth is connected, and the outlet side of the 4th heating element 27 is connected with the outlet of electric heater unit 100, in the embodiment party shown in Fig. 2-Fig. 6
In formula, first, second, third, fourth heating element joins end to end to form the mode of series connection, under working media same traffic,
Heating element uses end to end cascade, can reduce the joint length of heating element, reduces the length of electric heater unit
Degree.As other embodiments, first, second, third and the 4th heating element input end and electric heater unit into
Mouthful be connected, first, second, third and the 4th the port of export of heating element be connected with the outlet of electric heater unit, i.e., first, the
2nd, the 3rd and the 4th heating element is using form in parallel, and in the case where heating element total length is identical, heating element is using in parallel
Form compared with heating element using series connection form, in same time, the flow of working media can increase.Shown in Fig. 2
In embodiment, 2 both ends open of heating element, inner cavity is hollow, and 2 inner cavity of heating element is the inner cavity of heated substrate 21, heating unit
The shape of part 2 is cylinder, and 2 inner cavity of heating element is also cylinder, and as other embodiment, the shape of heating element 2 can
For elliptical cylinder-shape, 2 inner cavity of heating element can be elliptical cylinder-shape, and the shape of heating element shape and heating element inner cavity can be not
Together.
To improve the efficiency of heating surface of electric heater unit 100, heating layer 22 includes at least the first heating layer and the second heating layer,
Wherein, the first heating layer has the first heating power, and the second heating layer has the second heating power, the heating work(of the first heating layer
Rate is greater than the heating power of the second heating layer, i.e. the first heating power is more than the second heating power, and heating element includes import
End and the port of export, the first heating layer are included at least than the second heating layer closer to heating element input end, or electric heater unit
First heating element and the second heating element, electric heating assembly includes electric heating assembly import and electric heating assembly exports, and first
Heating layer is than the second heating layer closer to electric heating assembly import；That is the first heating layer, the second heating layer circulate along working media
Direction is set gradually, i.e., reduces along working media flow direction, heating layer power.Working media in electric heater unit can be
The liquid either mixture of steam state or liquid and steam state, working media is changed into steam state i.e. working media from liquid and vaporizes, along work
Make media flow direction, it is necessary to heating amount reduce, the power of heating layer reduces along working media flow direction, meets work Jie
The heat demand of matter, the opposite electrical heating efficiency for improving electric heater unit.
Electric heating assembly 10 includes turbulent element 3, and turbulent element 3 includes entity portion 31, and entity portion 31 can form gap
Portion 32, space part 32 are connected with heating element inner cavity.Turbulent element includes multiple solid elements, each solid element with it is adjacent
It is connected with each other between solid element, finger is fixedly connected with herein to be directly connected to and be indirectly connected with；Removed between the adjacent solid element
There is gap between part beyond junction, the gap between the adjacent entities unit is the part of the space part,
The gap of the adjacent entities unit is the part of heating passage, and entity portion side is the part of heating passage.It is real
Body unit includes first instance unit and second instance unit, and second instance unit is different from first instance unit, such as size,
Shape etc..Please refer to Fig.3, in the embodiment shown in fig. 3, the solid element refers to non-closed curve entity, entity list
First one end is in 360 degree of curved extensions by the other end, and at this time, solid element both ends are misaligned, turbulent element first instance unit
Helically arrange, turbulent element entity portion at least partly helically arranges.When turbulent element entity portion is all by solid element group
Cheng Shi, turbulent element entity portion helically arranges, when turbulent element reality body part is made of first instance unit, flow-disturbing member
Part is at least partly helically arranged.Specifically, turbulent element 3 can be spring, more specifically, turbulent element 3 is helical spring.Work
Make medium into after heating element 2, part working media can be heated in the shape of a spiral with entity portion 31, in this way, opposite prolong
Grow the heating path of working media, the relative increase heating surface (area) (HS of working media, and work is added to a certain extent
When making the mixed flow degree of medium so that can preferably conduct heat between working media, and then shortening the heating of working media
Between, and then so as to add the efficiency of heating surface of electric heater unit.
2 inner cavity of heating element can be cylinder or elliptical cylinder-shape, specifically, when turbulent element physical location is in heating unit
During part inner cavity, when turbulent element is helical spring, for turbulent element along heating element pipe to projection, which can be circle
Or ellipse.When 2 inner cavity of heating element is cylinder, helical spring has outside diameter, and the outside diameter of the spring, which is less than, to be equal to
Heating element bottom surface diameter of a circle；When heating element inner cavity is elliptical cylinder-shape, the outside diameter of the spring is less than or equal to heating unit
The elliptical major axis in part bottom surface.
Fig. 8 is refer to, Fig. 8 shows a part-structure perspective view of second of embodiment of turbulent element, in Fig. 8 institutes
In the embodiment shown, first instance unit is linear entity, and multiple first instance units intersect, and multiple solid elements are crossed to form
Hole, multiple first instance units are arranged in grid, and turbulent element entity portion at least partly arranges in grid.When turbulent element is real
When body portion is all made of first instance unit, turbulent element entity portion arranges in grid, when turbulent element reality body part has
When first instance unit forms, turbulent element is at least partly arranged in grid.As other embodiment, turbulent element includes the
Two solid elements, second instance unit are similarly linear entity, and second instance unit is with first instance unit difference,
For example diameter is different, length difference etc..
Fig. 9 is refer to, Fig. 9 shows a part-structure perspective view of the third embodiment of turbulent element, in Fig. 9 institutes
In the embodiment shown, first instance unit is non-linear entity, and first instance unit includes a bending part, adjacent first instance
There is gap, multiple first instance units are in random distribution, multiple entities between part between unit in addition to junction
Unit is arranged in silk screen, and the turbulent element entity portion at least partly arranges in silk screen.When turbulent element entity portion is all by
When one solid element forms, turbulent element entity portion arranges in silk screen, when turbulent element reality body part has first instance unit
During composition, turbulent element is at least partly arranged in silk screen.As other embodiment, turbulent element includes second instance unit,
Second instance unit is different, bending angle difference of bending part number etc. from first instance unit difference.
As other embodiment, turbulent element is foam metal, and foam metal includes entity portion, and entity portion side is to add
A part for the passage of heat, foam metal have hole, and working media can be circulated by gap, this some holes of foam metal
Gap, the relative increase flow path of working media.
Turbulent element 3 has certain buckling performance, can bend without fractureing, the gold such as aluminium, iron can be selected in turbulent element 3
The alloy materials such as category, aluminium alloy, and turbulent element has good heat conductivility.To prevent turbulent element to be subject to working media
Corrosion etc., turbulent element entity portion has outer wall, and turbulent element entity portion outer wall sets protective layer, which can protect
Turbulent element does not reduce or can increase the heat transfer efficiency of turbulent element from corrosion.In the implementation shown in Fig. 2-Fig. 6
In example, electric heater unit 100 includes four turbulent elements 3, and four turbulent elements are located at first, second, third and the respectively
Four heating element inner cavities, i.e., at this time the number of turbulent element 3 be equal to heating element 2 number.Fig. 7 is refer to, Fig. 7, which is shown, to be disturbed
Another embodiment of fluid element, electric heating assembly include a turbulent element 3a, and turbulent element 3a parts, which are located at, to be added
Thermal element 2a inner cavities, turbulent element 3a parts are located in connector, and bending is set in connector, and the number of turbulent element is small
In the number of heating element.The number less than or equal to heating element, the number of turbulent element can be selected in the number of turbulent element
When mesh is less than the number of heating element, it can arbitrarily select whether turbulent element is located at connector.
Connector 4 enables to the heating element of two and the above to be conducted, connector can also cause heating element and
Connection outside electric heater unit.Connector 4 includes at least connecting portion 41, which is of a straight line type, and 41 both ends of connecting portion are opened
Mouthful, it in annulus column, can be sleeved on heating element outer wall, the connection mode of grafting, while connecting portion are formed with heating element
41 also have the function that to insulate and seal.Connector 4 further includes excessive portion 42, and excessive portion 42 is located between two connecting portions 41,
Excessive portion 42 has inner passage, which can connect the connecting portion positioned at its both sides, can play excessive effect,
Excessive portion 42 is arc-shaped, and the connector shape with connecting portion 41 and excessive portion 42 can be U-shaped, or substantially U-shaped.Connecting portion
41 with excessive portion 42 can use integrally formed or split shaping postadhesion together with, silica gel can be selected in the material of connector 4
Pipe.Fig. 5 is refer to, electric heater unit 100 includes 5 connectors, is the first connector 43, the second connector the 44, the 3rd respectively
Connector 45, the 4th connector 46 and the 5th connector 47, wherein the first, the 5th connector only includes connecting portion 41, second,
Three, the 4th connectors include connecting portion 41 and excessively portion 42, and the shape of second, third and the 4th connector is U-shaped.
Second connector 44 turns on the first heating element 24 and the second heating element 25, and the 3rd connector 45 turns on the second heating element 25
With the 3rd heating element 26, the 4th connector 46 turns on the 3rd heating element 26 and the 4th heating element 27, and first, second, the
Three and the 4th heating element is conducted to form the connection mode of series connection, and working media leads to after the heating of the first heating element 24
Cross the second connector 44 and continue to heat into the second heating element 25, working media the flow direction of the first heating element 24 with
Working media is in the flow direction of the second heating element 25 on the contrary, similarly, working media passes sequentially through the three, the 4th heating units
Part.Under identical heating condition, connector 4 reduces the length of single heating element, and it is long to avoid electric heater unit.
Electric heater unit 100 includes housing 1, and housing 1 includes the first housing 11 and the second housing 12, electric heater unit 100
Including installation cavity, installation cavity includes the space that the first housing 11 and the second housing 12 are formed, and the first housing 11, the second housing 12 can
Select the material such as plastics, can play the role of support, protection and insulation, first, second housing also can be selected the metals such as aluminium,
The material of metal alloy, sets insulation division between housing and heating element, which can be insulating trip or coated in shell
Internal dielectric film.First housing 11 includes the first locating slot 111, and the second housing 12 includes the second locating slot 121, the first positioning
111 and second locating slot 121 of groove forms space, and electric heating assembly is located at the space, the first locating slot 111 and the second locating slot
121 are referred to as locating slot, can make the position for determining electrical heating elements relatively.The housing further includes auxiliary section 13, the cooperation
Portion 13 is sleeved on the part that connector links together with heating component, can be further such that heating component and connector are relatively close
Envelope, meanwhile, it is capable to which further such that heating component is relatively fixed.
Electric heater unit 100 further includes fixed part 4, which make it that heating element and connector are opposite with housing
It is fixed.Electric heater unit 100 is provided with protection circuit, and protection circuit includes the first temperature controller 6 and the second temperature controller 7, and first, the
Two temperature controllers by housing set temperature controller location hole be fixed on housing, wherein, the first temperature controller 6 is Self-resetting
Temperature controller, the second temperature controller 7 are non-automatic-reset temperature controllers, and the operating temperature of the second temperature controller is higher than the action of the first temperature controller
Temperature, when the temperature that the first temperature controller 6 measures is higher than its operating temperature or abnormal work that electric heater unit can be self-healing
When, 6 automatic shutdown circuit of the first temperature controller, treats that temperature is reduced to the operating temperature of the first temperature controller 6 or heater recovers just
Often during work, the first temperature controller 6 recovers connection circuit automatically.When the temperature that the second temperature controller 7 measures is higher than its operating temperature
Or heater cannot voluntarily recover abnormal work when, 7 automatic shutdown circuit of second temperature device, and cannot again automatic switching on electricity
Road, therefore, it is desirable to which, by investigating reason, after removing failure, recovering the second temperature controller manually makes circuit communication.
Claims (10)
1. a kind of electric heating assembly, including at least one heating element and turbulent element, the heating element include heated substrate,
Heating layer and electrode layer, the heating layer, electrode layer are located at the heated substrate outer wall, and the heating layer is located at the electrode
Between layer, the heating element has inner cavity, and the turbulent element is at least partially disposed at the heating element inner cavity, the flow-disturbing
Element includes entity portion, and the heating passage includes the space between turbulent element and heating element, and entity portion side is
A part for the heating passage.
2. electric heating assembly as claimed in claim 1, it is characterised in that the entity portion includes multiple solid elements, described
Each it is connected with each other between solid element and adjacent entities unit, the part between the adjacent solid element in addition to junction
Between have a gap, the gap of the adjacent entities unit for heating passage part.
3. electric heating assembly as claimed in claim 2, it is characterised in that the solid element is non-closed curve entity, institute
State multiple solid elements helically to arrange, the turbulent element entity portion at least partly helically arranges.
4. electric heating assembly as claimed in claim 2, it is characterised in that the solid element is linear entity, the multiple
Solid element intersects, and the multiple solid element is arranged in grid, and the multiple solid element is crossed to form hole, the hole
For a part for the heating passage, the turbulent element entity portion at least partly arranges in grid.
5. electric heating assembly as claimed in claim 2, it is characterised in that the solid element is non-linear entity, the reality
Body unit includes at least a bending part, has hole between the part between the adjacent solid element in addition to junction,
Multiple solid elements are arranged in silk screen, and the turbulent element entity portion at least partly arranges in silk screen.
6. such as claim 1-5 any one of them electric heating assemblies, it is characterised in that heating element inner cavity shape is circle
Cylinder or Elliptic Cylinder, the turbulent element entity portion is in contact with the heating element inner cavity, or the turbulent element
Entity portion is not contacted with the heating element inner cavity.
7. electric heating assembly as claimed in claim 1, it is characterised in that the turbulent element is foam metal.
8. electric heating assembly as claimed in claim 1, it is characterised in that the electric heating assembly includes at least the first heating unit
Part and the second heating element, the electric heating assembly include connector, and the connector includes connecting portion and transition part, the company
Socket part is linear, and the connecting portion is partially or entirely located in the heating element outer wall, and the transition part is arc-shaped, described
Between the connecting portion, the connector is connected intermediate location with first, second heating element, and described first,
Two heating elements are conducted, and the connector shape is U-shaped.
9. electric heating assembly as claimed in claim 6, it is characterised in that the turbulent element is using the good gold of heat conductivility
Category or alloy material.
10. a kind of electric heater unit, including housing and electric heating assembly, the electric heater unit includes installation cavity, the installation
Chamber includes the space that the housing is formed, and the electric heating assembly is located at the installation cavity, and the electric heating assembly will for right
Seek 1-9 any one of them electric heating assemblies.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017205877042 | 2017-05-24 | ||
| CN201720587704 | 2017-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207230903U true CN207230903U (en) | 2018-04-13 |
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ID=61856152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720935542.7U Active CN207230903U (en) | 2017-05-24 | 2017-07-28 | Electric heating assembly and the electric heater unit with the electric heating assembly |
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| CN (1) | CN207230903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314532A (en) * | 2017-05-24 | 2017-11-03 | 芜湖艾尔达科技有限责任公司 | Electric heating assembly and the electric heater unit with the electric heating assembly |
-
2017
- 2017-07-28 CN CN201720935542.7U patent/CN207230903U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314532A (en) * | 2017-05-24 | 2017-11-03 | 芜湖艾尔达科技有限责任公司 | Electric heating assembly and the electric heater unit with the electric heating assembly |
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