CN204180287U - A kind of electrode connecting structure of Electric radiant Heating Film and heater - Google Patents
A kind of electrode connecting structure of Electric radiant Heating Film and heater Download PDFInfo
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- CN204180287U CN204180287U CN201420661337.2U CN201420661337U CN204180287U CN 204180287 U CN204180287 U CN 204180287U CN 201420661337 U CN201420661337 U CN 201420661337U CN 204180287 U CN204180287 U CN 204180287U
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- electrode
- silver electrode
- radiant heating
- electric radiant
- silver
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Abstract
The utility model relates to a kind of electrode connecting structure and heater of Electric radiant Heating Film, it discloses a kind of electrode connecting structure based on thick-film resistor Electric radiant Heating Film, comprises the first silver electrode, the second silver electrode and copper connector; First silver electrode is located on two electrodes of thick-film resistor Electric radiant Heating Film, and the second silver electrode is located on the first silver electrode, and copper connector is located on the second silver electrode, for connecting the external wire of thick-film resistor Electric radiant Heating Film; The surrounding of copper connector is connected and fixed by binding agent and the second silver electrode.Accordingly, the utility model also discloses a kind of heater containing above-mentioned electrode connecting structure.The utility model both can prevent external wire and Electrode connection to be easily oxidized, come off and base material bursts apart, and produced contact resistance when product can be avoided again to be energized, thus improved the conductivity of product and product installs convenience.
Description
Technical field
The utility model relates to heating device technology area, particularly a kind of electrode connecting structure of Electric radiant Heating Film and a kind of heater containing above-mentioned electrode connecting structure.
Background technology
The heater of existing thick-film resistor type, the Electric radiant Heating Film place that thick-film resistor paste printing is made adopts silver slurry coating as electrode, electrode and external wire are formed by soldering-tin layer and are electrically connected, owing to there is corrosion function between silver and tin bi-material, the product of this kind of connected mode in use stands the thermal shock after long-term energising, and silver can progressively corrode by tin, cause silver electrode adhesive force progressively to reduce, finally cause external wire to come off, cause cannot normally using of heater.In addition, also has a kind of method of attachment, silver slurry coated electrode is by being connected with external wire after the welding such as copper sheet, nickel sheet again, because silver and copper sheet or the direct firm welding of nickel sheet need reach more than 500 DEG C, now copper sheet or nickel sheet surface severe oxidation, therefore cause the outer conductor of welding cannot be firm, very easily come off, the stability of product cannot be ensured.Above two kinds of connected modes with tin welding external wire or by copper sheet connecting electrode process, are easy to cause electrode part local material itself to burst apart the catastrophe failure come off.
Further, prior art has the silver-plated terminal of proposition copper to overcome the problems referred to above, such as patent CN104010391 disclosed " a kind of method of attachment of kettle courage device and the kettle courage device be made up of the method ", the external wire comprising kettle courage, be located at the Electric radiant Heating Film bottom kettle courage and be connected in Electric radiant Heating Film, external wire connects in Electric radiant Heating Film by the silver-plated terminal of copper, the Electrode connection of the silver-plated terminal one end of copper and Electric radiant Heating Film, the silver-plated terminal other end of copper is connected with external wire.The silver-plated terminal of copper carries out sintering in the temperature range of 500-600 DEG C.
The problems such as copper silver coating material is by silver-plated on copper, the electric conductivity reduction caused to prevent copper to be oxidized.But the silver-plated cost of copper is higher, and, the material of the kettle courage of documents 1 is high-boron-silicon glass, because ag material cannot accomplish the coefficient of expansion consistent with glass material, cause this terminal easily to depart from thermal histories, cause external wire to come off and the bursting apart of glass.Further, external wire is connected in Electric radiant Heating Film by the silver-plated connecting terminals of copper, and directly and the silver-plated terminal line of copper, wire must use the stress of about 0.3 kilogram to realize to external wire when mounted, such operation will cause electrode terminal to come off because of carelessness, therefore it installs difficulty.
Utility model content
Technical problem to be solved in the utility model is, provides that a kind of structure is simple, cost is low, long service life, to conduct electricity very well and the electrode connecting structure based on thick-film resistor Electric radiant Heating Film easy for installation.
Technical problem to be solved in the utility model is also, provides a kind of electrode connecting structure based on thick-film resistor Electric radiant Heating Film, and the connection of this electrode and external wire is not easy to be oxidized and to come off, and base material is also not easy to burst apart.
Technical problem to be solved in the utility model is also, provides a kind of heater containing above-mentioned electrode connecting structure.
For reaching above-mentioned technique effect, the utility model provides a kind of electrode connecting structure based on thick-film resistor Electric radiant Heating Film, be exclusively used on heating vessel that glass, quartz or pottery make, described electrode connecting structure comprises the first silver electrode, the second silver electrode and copper connector; Described first silver electrode is located on two electrodes of thick-film resistor Electric radiant Heating Film, and described second silver electrode is located on the first silver electrode, and described copper connector is located on the second silver electrode, for connecting the external wire of thick-film resistor Electric radiant Heating Film; The surrounding of described copper connector is connected and fixed by binding agent and the second silver electrode.
As the improvement of such scheme, described first silver electrode sinters and obtains in the temperature range of 400 DEG C-600 DEG C, is connected with thick-film resistor Electric radiant Heating Film to make described first silver electrode.
As the improvement of such scheme, described second silver electrode sinters and obtains in the temperature range of 100 DEG C-300 DEG C, is connected with the first silver electrode, copper connector to make described second silver electrode.
As the improvement of such scheme, described copper connector is connected and fixed by screw and external wire.
As the improvement of such scheme, described copper connector is copper post, and copper post is provided with connecting hole, and external wire to be bumped in connecting hole and to be fixed by external wire by screw.
As the improvement of such scheme, described binding agent is epoxy adhesive or siliceous glue.
Accordingly, the utility model also provides a kind of heater, comprise heating vessel, the external wire be located at the thick-film resistor Electric radiant Heating Film bottom heating vessel and be connected in described thick-film resistor Electric radiant Heating Film, described thick-film resistor Electric radiant Heating Film is connected by above-mentioned arbitrary electrode connecting structure with external wire.
As the improvement of such scheme, described heating vessel is made up of glass, quartz or pottery.
As the improvement of such scheme, described heater is electric kettle, electric cooker or electricity pottery stove.
Implement the utility model and there is following beneficial effect:
The utility model provides a kind of electrode connecting structure based on thick-film resistor Electric radiant Heating Film, comprise the first silver electrode, the second silver electrode and copper connector successively, to realize Electric radiant Heating Film, the first silver electrode, the second silver electrode, being effectively firmly connected of copper connector and external wire, silver-bearing copper conductive resistance is minimum, produce contact resistance when avoiding product to be energized, thus improve conductivity and the product installation convenience of product.
First silver electrode is at 400 DEG C-600 DEG C sintering, realize the connection with Electric radiant Heating Film, second silver electrode, at 100 DEG C-300 DEG C sintering, realizes the first silver electrode, connection between the second silver electrode and copper connector, and that copper connector can be avoided to be oxidized cause comes off and problem that base material bursts apart.
The surrounding of copper connector is connected and fixed by binding agent and the second silver electrode, and copper connector is firmly fixed on base material, even if electrode material and substrate material have the inconsistent coefficient of expansion, electrode also can not come off after repeatedly heating.
Copper connector is preferably copper post, external wire can be connected and fixed by screw, substantially increases convenience and the steadiness of product installation.
Therefore, the utility model structure is simple, cost is low, long service life, to conduct electricity very well and easy for installation, and the connection of electrode and external wire is not easy to be oxidized and to come off, and base material is also not easy to burst apart.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of heater of the utility model;
Fig. 2 is the close-up schematic view in A portion in Fig. 1;
Fig. 3 is the cutaway view of electrode connecting structure shown in Fig. 1.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1, the utility model provides a kind of heater, this heater comprises heating vessel 1, the external wire 3 be located at the thick-film resistor Electric radiant Heating Film 2 bottom heating vessel 1 and be connected in described thick-film resistor Electric radiant Heating Film 2, described thick-film resistor Electric radiant Heating Film 2 is connected by electrode connecting structure 4 with external wire 3.It should be noted that, this heater can be electric kettle, also can be the household electrical appliance such as electric cooker, electricity pottery stove, and not as limit.
Wherein, described heating vessel 1 is made up of glass, quartz or pottery.Preferably, this glass is high boron glass, and high boron glass is the special substance of a kind of low thermal expansion, high temperature resistant, high strength, high rigidity, high transmission rate and high chemical stability, can ensure serviceability and the security performance of heating vessel.
Because glass, quartz or the ceramic coefficient of expansion to differ comparatively large with the coefficient of expansion of electrode material, therefore glass, quartz or pottery are classes holds caducous base material.Hold caducous problem in order to solve electrode with wire that electrode is connected, the utility model spy proposes a kind of electrode connecting structure of new structure, specifically see Fig. 2 and Fig. 3.This electrode connecting structure is 2, on positive and negative two electrodes being located at Electric radiant Heating Film respectively, for realizing the electrical connection of Electric radiant Heating Film and external wire.
Fig. 2 and Fig. 3 shows the electrode connecting structure 4 based on thick-film resistor Electric radiant Heating Film, and described electrode connecting structure 4 comprises the first silver electrode 41, second silver electrode 42 and copper connector 43; Described first silver electrode 41 is located on two electrodes of thick-film resistor Electric radiant Heating Film 2, and described second silver electrode 42 is located on the first silver electrode 41, and described copper connector 43 is located on the second silver electrode 42, for connecting the external wire 3 of thick-film resistor Electric radiant Heating Film.
Described first silver electrode 41 sinters and obtains in the temperature range of 400 DEG C-600 DEG C, is connected with thick-film resistor Electric radiant Heating Film 2 to make described first silver electrode 41.The electrode welding of first silver electrode 41 one end and Electric radiant Heating Film 2, by silver-bearing copper welding, can prevent Electric radiant Heating Film 2 to be oxidized like this, avoid bad connection.
The sintering temperature of described first silver electrode 41 is preferably 400 DEG C, 420 DEG C, 450 DEG C, 480 DEG C, 500 DEG C, 520 DEG C, 550 DEG C, 580 DEG C, 600 DEG C, but is not limited thereto.Better, the sintering temperature of described first silver electrode 41 is 500-549 DEG C.
Described second silver electrode 42 sinters and obtains in the temperature range of 100 DEG C-300 DEG C, is connected with the first silver electrode 41, copper connector 43 to make described second silver electrode 42.
The sintering temperature of described second silver electrode 42 is preferably 120 DEG C, 150 DEG C, 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, 250 DEG C, 280 DEG C, 300 DEG C, but is not limited thereto.Better, the sintering temperature of described second silver electrode 42 is 160-180 DEG C.
Described first silver electrode 41 is made through different sintering temperatures from the second silver electrode 42, specifically the first silver electrode 41 is through the high temperature sintering of 400 DEG C-600 DEG C, second silver electrode 42, through the low-temperature sintering of 100 DEG C-300 DEG C, can avoid the problem of bursting apart with base material that comes off that the oxidation of copper connector causes.This is because existing silver slurry only prints once, form one deck silver layer.To make it firmly be connected on matrix, its thickness needs larger.When sintering temperature and time occur abnormal, permeate bad between thicker silver layer and the base material of infiltration, easily come off, substrate surface also easily bursts apart.But the present invention brushes different silver slurries at twice, and obtain two-layer silver electrode, can reduce the thickness of silver layer, ensure the infiltration degree of silver layer and base material, silver layer can not come off because of the change of sintering temperature, time.And the second silver electrode 42 obtains at low temperatures, capable of reducing energy consumption, avoids the oxidation of copper connector.
The surrounding of described copper connector 43 is connected and fixed further by binding agent and the second silver electrode 42, copper connector 43 is made to be firmly fixed on base material, even if electrode material and substrate material have the inconsistent coefficient of expansion, electrode also can not come off after repeatedly heating.
Preferably, described copper connector 43 is connected and fixed by screw 44 and external wire 3.Better, described copper connector 43 is copper post, and copper post is provided with connecting hole 45, and external wire 3 is bumped in the connecting hole 45 of copper post, tightens fixing by screw 44 by external wire 3.Adopt the fastening external wire 3 of screw 44, substantially increasing convenience and the steadiness of product installation, avoiding external wire 3 to come off because standing long-term thermal shock.
Preferably, described binding agent is epoxy adhesive or siliceous glue, and resistance to elevated temperatures is good, effectively can ensure the stability that copper connector 43 is connected and fixed.
The utility model realizes Electric radiant Heating Film 2, first silver electrode 41, second silver electrode 42 successively and is firmly connected with the effective of copper connector 43, silver-bearing copper conductive resistance is minimum, produce contact resistance when avoiding product to be energized, thus improve conductivity and the product installation convenience of product.And applied range of the present invention, is not only applicable to glass, be also applicable to the heating vessel that quartz, pottery etc. are made, market prospects are good.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection range of the present utility model.
Claims (9)
1., based on an electrode connecting structure for thick-film resistor Electric radiant Heating Film, be exclusively used on heating vessel that glass, quartz or pottery make, it is characterized in that, described electrode connecting structure comprises the first silver electrode, the second silver electrode and copper connector;
Described first silver electrode is located on two electrodes of thick-film resistor Electric radiant Heating Film, and described second silver electrode is located on the first silver electrode, and described copper connector is located on the second silver electrode, for connecting the external wire of thick-film resistor Electric radiant Heating Film;
The surrounding of described copper connector is connected and fixed by binding agent and the second silver electrode.
2. electrode connecting structure as claimed in claim 1, it is characterized in that, described first silver electrode sinters and obtains in the temperature range of 400 DEG C-600 DEG C, is connected with thick-film resistor Electric radiant Heating Film to make described first silver electrode.
3. electrode connecting structure as claimed in claim 1, it is characterized in that, described second silver electrode sinters and obtains in the temperature range of 100 DEG C-300 DEG C, is connected with the first silver electrode, copper connector to make described second silver electrode.
4. electrode connecting structure as claimed in claim 1, it is characterized in that, described copper connector is connected and fixed by screw and external wire.
5. electrode connecting structure as claimed in claim 4, it is characterized in that, described copper connector is copper post, and copper post is provided with connecting hole, and external wire to be bumped in connecting hole and to be fixed by external wire by screw.
6. electrode connecting structure as claimed in claim 1, it is characterized in that, described binding agent is epoxy adhesive or siliceous glue.
7. a heater, comprise heating vessel, the external wire be located at the thick-film resistor Electric radiant Heating Film bottom heating vessel and be connected in described thick-film resistor Electric radiant Heating Film, it is characterized in that, described thick-film resistor Electric radiant Heating Film is connected by the electrode connecting structure described in any one of claim 1-6 with external wire.
8. heater as claimed in claim 7, it is characterized in that, described heating vessel is made up of glass, quartz or pottery.
9. heater as claimed in claim 7, is characterized in that, described heater is electric kettle, electric cooker or electricity pottery stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420661337.2U CN204180287U (en) | 2014-11-07 | 2014-11-07 | A kind of electrode connecting structure of Electric radiant Heating Film and heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420661337.2U CN204180287U (en) | 2014-11-07 | 2014-11-07 | A kind of electrode connecting structure of Electric radiant Heating Film and heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204180287U true CN204180287U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420661337.2U Expired - Fee Related CN204180287U (en) | 2014-11-07 | 2014-11-07 | A kind of electrode connecting structure of Electric radiant Heating Film and heater |
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| Country | Link |
|---|---|
| CN (1) | CN204180287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI748571B (en) * | 2020-07-22 | 2021-12-01 | 敏翔股份有限公司 | Electric connection part of heating device |
-
2014
- 2014-11-07 CN CN201420661337.2U patent/CN204180287U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI748571B (en) * | 2020-07-22 | 2021-12-01 | 敏翔股份有限公司 | Electric connection part of heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20161107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |