CN208551386U - Connecting terminal, coil panel and electromagnetic heating cooker - Google Patents
Connecting terminal, coil panel and electromagnetic heating cooker Download PDFInfo
- Publication number
- CN208551386U CN208551386U CN201820441082.7U CN201820441082U CN208551386U CN 208551386 U CN208551386 U CN 208551386U CN 201820441082 U CN201820441082 U CN 201820441082U CN 208551386 U CN208551386 U CN 208551386U
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- metal layer
- connecting terminal
- metal
- coating
- contact portion
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Abstract
The utility model discloses a kind of connecting terminal, coil panel and electromagnetic heating cooker, wherein, connecting terminal includes pressure contact portion, pressure contact portion is formed with the crimp groove for being installed with and crimping for the terminals of connecting line, pressure contact portion is arranged in more metal layers, more metal layers include the second metal layer for being in the first metal layer of inside and being in outside, wherein, the first metal layer uses the first metal material, second metal layer uses the second metal material, the electric conductivity of first metal material is bigger than the electric conductivity of the second metal material, the thickness of the first metal layer is bigger than the thickness of second metal layer.The technical solution of the utility model can reduce the contact resistance of connecting terminal and terminals, prevent terminal from generating high temperature in use, and it is higher that the second metal layer mechanical performance on the outside of connecting terminal is arranged in, and is permanently deformed in use or the problems such as stress relaxation to solve connecting terminal.
Description
Technical field
The utility model relates to living electric apparatus technical field, in particular to a kind of connecting terminal, coil panel and electromagnetism add
Heat cooking device.
Background technique
The connecting terminal component part of existing electromagnetic heating coil disc is usually provided only with single layer terminal substrate, actually makes
With having the following problems in the process: higher with the contact resistance of connecting line after connecting terminal crimping, terminal and connecting line when use
Temperature raising in junction will lead to that contact resistance is bigger, reduce the transformation efficiency of product, and resistance over range may
Cause terminal to burn with enameled wire junction, influences the service life of product.
Utility model content
The main purpose of the utility model is to propose a kind of connecting terminal, coil panel and electromagnetic heating cooker, purport
The contact resistance of connecting terminal and connecting line is being reduced, while solving the problems, such as easily-deformable, raising wiring after connecting terminal crimping
Stability after terminal compression joint.
To achieve the above object, the utility model proposes a kind of connecting terminal, the connecting terminal includes pressure contact portion, institute
It states pressure contact portion and is formed with the crimp groove for being installed with and crimping for the terminals of connecting line, the pressure contact portion is arranged in more metal layers,
The more metal layers include the second metal layer for being in the first metal layer of inside and being in outside, wherein first gold medal
Belong to layer and use the first metal material, the second metal layer uses the second metal material, the electric conductivity of first metal material
Can be bigger than the electric conductivity of second metal material, the thickness of the thickness of the first metal layer than the second metal layer
Greatly.
Preferably, the pressure contact portion further includes third metal layer, the third metal layer be set to the first metal layer with
Between the second metal layer, the third metal layer uses third metal material；Wherein, the machinery of first metal material
Intensity is smaller than the mechanical strength of second metal material, and the electric conductivity of the third metal material and mechanical strength are situated between
Between first metal material and the second metal material.
Preferably, the material of the first metal layer includes any one in copper and silver；And/or
The material of the second metal layer is copper-tin alloy；And/or
The material of the third metal layer is ormolu.
Preferably, coating is additionally provided in the first metal layer and the second metal layer.
Preferably, the coating includes the first coating and the second coating, and first coating is coated on first metal
Layer and the second metal layer outer surface, second coating are set on first coating；
The material of first coating is tin, and the material of second coating is nickel.
Preferably, each metal layer with a thickness of 0.1mm to 1.2mm.
Preferably, the pressure contact portion includes:
Bottom plate；And
Two side plates, extend laterally from the both sides of the bottom plate, and are enclosed described crimp jointly with the bottom plate
Slot, and described two side plates in the crimp groove and the connection wire crimp phase to bending the connecting line to be fixed
In in the crimp groove.
Preferably, the connecting terminal further includes the interconnecting piece extended from one end of the pressure contact portion, and the interconnecting piece is used
The connecting terminal to be connected on circuit board.
The utility model also provides a kind of coil panel, including connecting terminal, and the connecting terminal includes pressure contact portion, the pressure
Socket part is formed with the crimp groove for being installed with and crimping for the terminals of connecting line, and the pressure contact portion is arranged in more metal layers, described
More metal layers include the second metal layer for being in the first metal layer of inside and being in outside, wherein the first metal layer
Using the first metal material, the second metal layer uses the second metal material, the electric conductivity ratio of first metal material
The electric conductivity of second metal material is big, and the thickness of the first metal layer is bigger than the thickness of the second metal layer.
The utility model also provides a kind of electromagnetic heating cooker, including coil panel, and the coil panel includes terminals
Son, the connecting terminal include pressure contact portion, and the pressure contact portion is formed with the crimp groove for being installed with and crimping for the terminals of connecting line,
The pressure contact portion is arranged in more metal layers, and the more metal layers include on the outside of being in the first metal layer of inside and being in
Second metal layer, wherein the first metal layer uses the first metal material, and the second metal layer uses the second metal material
The electric conductivity of matter, first metal material is bigger than the electric conductivity of second metal material, the first metal layer
Thickness is bigger than the thickness of the second metal layer.
Technical solution provided by the utility model by the way that line pressing portion to be arranged to the composite construction of two layers of terminal substrate,
In, the first metal layer electric conductivity close to the terminals side of connecting line is preferable, so as to reduce connecting terminal and terminals
Contact resistance, prevent terminal from generating high temperature in use, while also improving the transformation efficiency of product, extend its use
Service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the diagrammatic cross-section before connecting terminal provided by the utility model improves；
Fig. 2 is the structural schematic diagram of an embodiment of connecting terminal provided by the utility model；
Fig. 3 is the diagrammatic cross-section of Fig. 2 middle connecting terminal；
Fig. 4 is the enlarged diagram in Fig. 3 at A；
Fig. 5 is the diagrammatic cross-section of another embodiment of connecting terminal provided by the utility model；
Fig. 6 is the enlarged diagram in Fig. 5 at B.
The utility model drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Connecting terminal | 13 | Second metal layer |
| 1 | Pressure contact portion | 14 | Third metal layer |
| 11 | Coating | 15 | Bottom plate |
| 111 | First coating | 16 | Side plate |
| 112 | Second coating | 2 | Interconnecting piece |
| 12 | The first metal layer |
Drawing reference numeral before the utility model improves illustrates:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that directionality instruction is only used for solving if relating to directionality instruction in the utility model embodiment
Relative positional relationship, the motion conditions etc. between component each under a certain particular pose are released, if the particular pose changes
When, then directionality instruction also correspondingly changes correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of electromagnetic heating cooker, the electromagnetic heating cooker can be electromagnetic oven or
Person's electric cooker etc. will be introduced so that the electromagnetic heating cooker is electric cooker as an example below, the electromagnetic heating culinary art
Device includes coil panel, and the coil panel includes connecting terminal and connecting line, and the connecting terminal can be used for the connection
Connection between line and the circuit board of the electromagnetic heating cooker, can be used for the company between two connecting lines
It connects, will be illustrated by taking the connection that the connecting terminal is used between the connecting line and the circuit board as an example below.Fig. 2 and
Fig. 3 is the first embodiment of connecting terminal provided by the utility model.
Please in detail refering to Fig. 2 and Fig. 3, in the first embodiment, the connecting terminal 100 includes pressure contact portion 1, the crimping
Portion 1 is formed with the crimp groove for being installed with and crimping for the terminals of connecting line, and the pressure contact portion 1 is arranged in more metal layers, described
More metal layers include the second metal layer 13 for being in the first metal layer 12 of inside and being in outside, wherein first gold medal
Belong to layer 12 and use the first metal material, the second metal layer 13 uses the second metal material, and first metal material is led
Electrical property is bigger than the electric conductivity of second metal material, and the thickness of the first metal layer 12 is than the second metal layer 13
Thickness it is big.
Referring to Fig. 1, general connecting terminal (including pressure contact portion 1 ' and interconnecting piece 2 '), main part includes single layer base
Material (i.e. the first metal layer 12 ') and the coating 11 ' for being coated on the 12 ' outside of the first metal layer, this structure actually make
With having the following problems in the process: higher with the contact resistance of connecting line after connecting terminal crimping, terminal and connecting line when use
Temperature raising in junction will lead to that contact resistance is bigger, reduce the transformation efficiency of product, and resistance over range may
Cause terminal to burn with enameled wire junction, influences the service life of product.
Technical solution provided by the utility model by the way that line pressing portion to be arranged to the composite construction of two layers of terminal substrate,
In, 12 electric conductivity of the first metal layer close to terminals side is preferable, so as to reduce connecing for connecting terminal 100 and connecting line
The contact resistance of line end prevents terminal from generating high temperature in use, while also improving the transformation efficiency of product, extends it
Service life.
Lead to overall structure not to prevent the first metal layer 12 and 13 mechanical performance of second metal layer from changing excessive
Stablize, as shown in Figure 4 and Figure 5, in a second embodiment, was installed additional between the first metal layer 12 and second metal layer 13
Layer is crossed, specifically, the pressure contact portion 1 further includes third metal layer 14, and the third metal layer 14 is set to the first metal layer
Between 12 and the second metal layer 13, the third metal layer 14 uses third metal material；Wherein, first metal material
The mechanical strength of matter is smaller than the mechanical strength of second metal material, and the electric conductivity and machinery of the third metal material
Performance is between first metal material and the second metal material.In this way, since 100 outside of connecting terminal is arranged in
13 mechanical performance of second metal layer is higher, to guarantee the mechanical strength of connecting terminal 100 after crimping, solves connecting terminal 100
Permanent deformation or the problems such as stress relaxation in use, and improve the reliability after terminal compression joint.
In general, the mechanical performance of alloy is higher compared with the mechanical performance of pure metal, and pure metal is for alloy,
Its electric conductivity is preferable, therefore, to make the electric conductivity of first metal material better than second metal material and third metal
The electric conductivity of material, the mechanical performance of second metal material is better than first metal material and the machine of third metal material
Tool performance, the material of the first metal layer 12 include any one in copper and silver；And/or the material of the second metal layer 13
Matter is copper-tin alloy；And/or the material of the third metal layer 14 is ormolu.Certainly, it is deposited in no third metal layer 14
First embodiment in, the second metal layer 13 can also be substituted with ormolu, and the material of the first metal layer 12
Also the better gold of electric conductivity can be used to be substituted, but since golden material cost is excessively high, do not consider under normal circumstances.
In each embodiment of the utility model, plating is additionally provided in the first metal layer 12 and the second metal layer 13
Layer 11.Wherein, the setting of coating 11 can be improved the corrosion resistance and wearability of the pressure contact portion 1, play well to each metal layer
Protective effect.
Specifically, the coating 11 includes the first coating 111 and the second coating 112, and first coating 111 is coated on institute
13 outer surface of the first metal layer 12 and the second metal layer is stated, second coating 112 is set on first coating 111；
The material of first coating 111 is tin, and the material of second coating 112 is nickel.It should be noted that tin and nickel all have
Good chemical stability and corrosion resistance, wherein tin and sulphur almost do not work with sulfide, and have shielding to make nitriding
With, and nickel has soda acid good corrosion resistance, still, for nickel for tin, hardness is bigger, therefore, suitable for being plated in
Outermost surface so that protect structure therein well.
More specifically, each metal layer with a thickness of 0.1mm to 1.2mm.Herein it should be noted that metal layer
If thickness is too thin to will affect its mechanical performance, phenomena such as being broken and deforming may occur in the long-term use, and such as
The thickness of fruit metal layer is too thick, be easy to cause the wasting of resources, improves cost of manufacture, and therefore, the thickness of each metal layer should limit
In a certain range.
As shown in fig. 6, in embodiments, the pressure contact portion 1 includes bottom plate 15 and two side plates 16, described two side plates
16 extend from the both sides of the bottom plate 15, and are enclosed the crimp groove, described two side plates jointly with the bottom plate 15
16 to described to be fixed on the terminals of the connecting line to bending in the crimp groove and the connection wire crimp phase
In crimp groove.When being assembled to the connecting line, first by one end of the connecting line protrude into described two side plates 16 it
Between the accommodation space in, then by external force, the upper part of described two side plates 16 is bent in opposite directions respectively to press
The connecting line of the tight connecting line, such processing technology is relatively simple, improves production efficiency, also, solid to the connecting line
It is preferable to determine effect.
The connecting terminal 100 is for the connection between the connecting line and the circuit board of the electromagnetic heating cooker
When, referring to Fig. 6, the connecting terminal 100 further includes the interconnecting piece 2 extended from one end of the pressure contact portion 1, the interconnecting piece
The sides such as 2 connecting terminal 100 to be connected on circuit board, and connection type can be fastened or be welded using screw
Formula.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of connecting terminal, which is characterized in that including pressure contact portion, the pressure contact portion is formed with the terminals for connecting line and is installed with
And the crimp groove of crimping, the pressure contact portion are arranged in more metal layers, the more metal layers include the first gold medal for being in inside
The second metal layer for belonging to layer and being in outside, wherein the first metal layer uses the first metal material, the second metal layer
Using the second metal material, the electric conductivity of first metal material is bigger than the electric conductivity of second metal material, institute
The thickness for stating the first metal layer is bigger than the thickness of the second metal layer.
2. connecting terminal as described in claim 1, which is characterized in that the pressure contact portion further includes third metal layer, and described
Three metal layers are set between the first metal layer and the second metal layer, and the third metal layer uses third metal material
Matter；Wherein, the mechanical strength of first metal material is smaller than the mechanical strength of second metal material, and third gold
The electric conductivity and mechanical strength for belonging to material are between first metal material and the second metal material.
3. connecting terminal as claimed in claim 2, which is characterized in that the material of the first metal layer includes in copper and silver
Any one；And/or
The material of the second metal layer is copper-tin alloy；And/or
The material of the third metal layer is ormolu.
4. connecting terminal as described in claim 1, which is characterized in that on the first metal layer and the second metal layer also
Equipped with coating.
5. connecting terminal as claimed in claim 4, which is characterized in that the coating includes the first coating and the second coating, institute
It states the first coating and is coated on the first metal layer and the second metal layer outer surface, second coating is set to described first
On coating；
The material of first coating is tin, and the material of second coating is nickel.
6. connecting terminal as described in claim 1, which is characterized in that each metal layer with a thickness of 0.1mm to 1.2mm.
7. connecting terminal as described in claim 1, which is characterized in that the pressure contact portion includes:
Bottom plate；And
Two side plates, extend laterally from the both sides of the bottom plate, and are enclosed the crimp groove jointly with the bottom plate, and
Described two side plates in the crimp groove and the connection wire crimp phase to bending so that the connecting line is fixed on institute
It states in crimp groove.
8. connecting terminal as described in claim 1, which is characterized in that the connecting terminal further includes from the one of the pressure contact portion
The interconnecting piece extended is held, the interconnecting piece is the connecting terminal to be connected on circuit board.
9. a kind of coil panel, which is characterized in that including the connecting terminal as described in claim 1 to 8 any one.
10. a kind of electromagnetic heating cooker, which is characterized in that including coil panel as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820441082.7U CN208551386U (en) | 2018-03-28 | 2018-03-28 | Connecting terminal, coil panel and electromagnetic heating cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820441082.7U CN208551386U (en) | 2018-03-28 | 2018-03-28 | Connecting terminal, coil panel and electromagnetic heating cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208551386U true CN208551386U (en) | 2019-03-01 |
Family
ID=65453792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820441082.7U Active CN208551386U (en) | 2018-03-28 | 2018-03-28 | Connecting terminal, coil panel and electromagnetic heating cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208551386U (en) |
-
2018
- 2018-03-28 CN CN201820441082.7U patent/CN208551386U/en active Active
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