CN108321009B - Riveting contact base of temperature type thermal protector - Google Patents
Riveting contact base of temperature type thermal protector Download PDFInfo
- Publication number
- CN108321009B CN108321009B CN201810089503.9A CN201810089503A CN108321009B CN 108321009 B CN108321009 B CN 108321009B CN 201810089503 A CN201810089503 A CN 201810089503A CN 108321009 B CN108321009 B CN 108321009B
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- CN
- China
- Prior art keywords
- bottom plate
- section
- base
- plastic base
- calibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001012 protector Effects 0.000 title claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000010924 continuous production Methods 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 4
- 241001206158 Blepsias cirrhosus Species 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 241001363516 Plusia festucae Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/04—Bases; Housings; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/12—Means for adjustment of "on" or "off" operating temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7427—Adjusting only the electrothermal mechanism
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The invention discloses a riveting contact base of a temperature type thermal protector, which comprises a bottom plate and a plastic base, wherein the bottom plate comprises a first bottom plate and a second bottom plate, the first bottom plate and the second bottom plate are integrally formed on a material belt layer, the first bottom plate and the second bottom plate are embedded into the plastic base, the first bottom plate and the second bottom plate are in non-contact, the first bottom plate is riveted with a fixed contact and exposed out of the plastic base, meanwhile, one end of the first bottom plate is exposed out of the plastic base to form a first wiring end, one end of the second bottom plate is exposed out of the plastic base and extends obliquely upwards to form a calibration sheet, the other end of the second bottom plate is exposed out of the plastic base to form a second wiring end, and the calibration sheet and the second bottom plate are integrally formed. According to the invention, the second bottom plate and the calibration piece are integrally formed, so that the production procedures and production equipment are reduced, the production cost is further reduced, the production efficiency is improved, the bottom plate and the calibration piece do not need to be welded, the defects of inaccurate positioning, poor welding firmness and the like of the calibration piece in the welding process are overcome, and the product yield and the product precision are improved.
Description
Technical Field
The invention relates to the technical field of thermal protectors, in particular to a base of a thermal protector.
Background
The common protector at present is a thermal protector or an overcurrent protector, and the core components of the protector mainly comprise a bimetallic strip, a calibration strip, a base and the like, wherein a static contact is riveted in the base, and the performance of the base directly influences the performance degree of the thermal protector. The principle of the thermal protector is as follows: when the medium temperature of the load is sensed by the thermal protector to reach the rated trip temperature value of the bimetal element in the thermal protector, the bimetal element acts to cut off the power supply of the load, so that the load stops working; when the temperature of the medium around the protector is reduced to the rated reset temperature of the bimetal element, the bimetal element is reset, and the load power supply is switched on again to work, so that the load is in the cycle of heating, switching off, cooling and switching on. The principle of the overcurrent protector is as follows: the bimetal element of the protector heats up due to abnormal current increase, the power supply of the load is cut off, and the load stops working.
In the protector produced by the existing manufacturer, the bottom plate, the plastic base and the calibration piece are separated independently, the bottom plate and the calibration piece are required to be connected through a welding process, such as the composite overcurrent and overheat protector of China patent, the grant bulletin number CN 202025689U, and in the disclosed protector, the bottom plate and the calibration piece are separated, and the bottom plate and the calibration piece are required to be connected during production, so that the structure increases production procedures and production equipment, further improves production cost, reduces production efficiency, and has lower yield, lower product precision and unsatisfactory product quality.
In order to overcome the defects, the designer innovates and researches to create a riveting contact base of a temperature type thermal protector.
Disclosure of Invention
The invention mainly solves the technical problems of providing the riveting contact base of the temperature type thermal protector, wherein the second bottom plate and the calibration piece are integrally formed, so that the production procedures and production equipment are reduced, the production cost is further reduced, the production efficiency is improved, the bottom plate and the calibration piece do not need to be welded, the defects of inaccurate positioning, poor welding firmness and the like of the calibration piece in the welding process are overcome, and the product yield and the product precision are improved.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a riveting contact base of temperature type thermal protector, including bottom plate and plastic base, the bottom plate includes first bottom plate and second bottom plate, first bottom plate with the second bottom plate is the integrated into one piece in the material area level, first bottom plate with the second bottom plate is all embedded the plastic base, just first bottom plate with contactless between the second bottom plate, first bottom plate riveting have the stationary contact and expose in the plastic base, simultaneously the one end of first bottom plate expose in the plastic base forms first wiring end, the one end of second bottom plate expose in the plastic base and slant upwards extend and form the calibration piece, and the other end expose in the plastic base forms the second wiring end, the calibration piece with the second bottom plate is integrated into one piece.
In order to solve the technical problems, the invention adopts a further technical scheme that:
The thermal protector comprises a bimetallic strip, the end part of the bimetallic strip is provided with a movable contact, and the temperature calibration is realized by the calibration strip which is close to or far away from the bimetallic strip by taking the joint of the calibration strip and the second bottom plate as a reference.
Further, the calibration sheet comprises a first section, a second section and a third section, wherein the first section is parallel to the third section, the second section is connected with the first section and the third section, and the distance between the lower surface of the first section and the lower surface of the third section is 0.13-0.20mm.
Further, the distance between the lower surface of the first section and the lower surface of the third section of the calibration sheet is 0.15mm.
Further, the first bottom plate and the second bottom plate are both zinc-nickel alloy iron bottom plates.
Further, the first terminal and the second terminal are connected to a wire.
Further, the stationary contact is a silver spot or a gold spot.
Further, the stationary contact is a silver spot and is connected to the first base plate by in-mold riveting.
On the material belt layer, the material belt comprises a plurality of bottom plates which are distributed at intervals, and continuous production of the base is realized through the material belt.
The beneficial effects of the invention are as follows:
The invention comprises a bottom plate and a plastic base, wherein the bottom plate is embedded into the plastic base, the bottom plate comprises a first bottom plate and a second bottom plate, the first bottom plate and the second bottom plate are integrated into a whole on the layer of a material belt, the continuous production of the base can be realized through the material belt, the continuous production can be realized in the in-mold riveting or the plastic base injection molding process, the production efficiency is improved, the production cost is reduced, and the product yield is improved;
More preferably, the second bottom plate and the calibration piece are integrally formed, compared with the traditional structure design that the bottom plate and the calibration piece are separated, the production procedures and production equipment can be reduced, the production cost is further reduced, the production efficiency is improved, the bottom plate and the calibration piece do not need to be welded, the defects of inaccurate positioning, poor welding firmness and the like of the calibration piece in the welding process are overcome, and the product yield and the product precision are improved;
when the protector with the base is used for temperature calibration, the working temperature of the bimetallic strip is preset and regulated by extruding the calibration strip through temperature calibration equipment, so that the production efficiency and the qualification rate can be greatly improved, the production cost is reduced, and the labor intensity is lightened;
In addition, the riveting contact base has the advantages of compact structure, low production and manufacturing cost, high efficiency, high qualification rate, sensitive action, simple installation, little installation space occupation and the like, so the riveting contact base of the temperature type thermal protector is almost suitable for bases of overheat and overcurrent protectors in all fields, and the protector adopting the base has good stability and durability; the product can be prevented from changing the initial value temperature of the product due to the bending deformation of the metal material due to the cold-hot alternation of the temperature in use, so that the product is unstable.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic structural view of the first and second base plates (tape layer facers) of the present invention;
the parts in the drawings are marked as follows:
the first base plate 1, the second base plate 2, the plastic base 3, the stationary contact 4, the first terminal 5, the calibration piece 6, the first section 61, the second section 62, the third section 63 and the second terminal 7.
Detailed Description
The following specific embodiments of the invention are described in order to provide those skilled in the art with an understanding of the present disclosure. The invention may be embodied in other different forms, i.e., modified and changed without departing from the scope of the invention.
Examples: the utility model provides a riveting contact base of temperature type thermal protector, as shown in fig. 1, fig. 2 and fig. 3, includes bottom plate and plastic base 3, the bottom plate includes first bottom plate 1 and second bottom plate 2, first bottom plate with the second bottom plate is integrated into one piece at the material area level, first bottom plate with the second bottom plate is all embedded the plastic base, just first bottom plate with contactless between the second bottom plate, first bottom plate riveting have stationary contact 4 and expose in the plastic base, simultaneously the one end of first bottom plate expose in the plastic base forms first wiring end 5, the one end of second bottom plate expose in plastic base and slant upwards extend and form calibration piece 6, and the other end expose in the plastic base forms second wiring end 7, the calibration piece with the second bottom plate is integrated into one piece.
The thermal protector comprises a bimetallic strip, the end part of the bimetallic strip is provided with a movable contact, and the temperature calibration is realized by the calibration strip which is close to or far away from the bimetallic strip by taking the joint of the calibration strip and the second bottom plate as a reference.
In this embodiment, the calibration sheet includes a first section 61, a second section 62, and a third section 63, where the first section is parallel to the third section, the second section connects the first section and the third section, and a distance d between a lower surface of the first section and a lower surface of the third section is 0.13-0.20mm.
In this embodiment, preferably, the distance d between the lower surface of the first segment and the lower surface of the third segment of the calibration sheet is 0.15mm.
The first bottom plate and the second bottom plate are zinc-nickel alloy iron bottom plates.
The first terminal and the second terminal are connected with a wire.
The static contact is a silver point or a gold point.
The stationary contact is a silver point and is connected with the first bottom plate through in-mold riveting.
On the material belt layer, the material belt comprises a plurality of bottom plates which are distributed at intervals, and continuous production of the base is realized through the material belt.
The working principle and working process of the invention are as follows:
in the production process, contact riveting, injection molding of a plastic base and the like are performed on the surface of the material belt, so that continuous production of the base can be realized, and the material belt is cut until the subsequent process;
When the product is inspected, the calibration piece is calibrated through the calibration equipment, so that the precision of the thermal protector adopting the base is ensured, the product error is reduced, the product yield is improved, and the product rejection rate is reduced;
When the thermal protector adopting the base of the invention works, the thermal protector needs to be connected in series in a circuit, is externally arranged or internally arranged and is used as a temperature sensitive reaction element and a current sensitive reaction element, and when the medium temperature or current of the load reaches the rated disconnection temperature value of the bimetallic strip, the bimetallic strip acts to cut off the power supply of the load so as to stop the work of the load; when the temperature of the medium around the bimetallic strip is reduced to the rated reset temperature of the bimetallic strip, the bimetallic strip resets, and the load power supply is switched on again to work.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures made by the description of the invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the invention.
Claims (6)
1. A riveted contact base of a temperature type thermal protector, characterized in that: the plastic base comprises a bottom plate and a plastic base (3), wherein the bottom plate comprises a first bottom plate (1) and a second bottom plate (2), the first bottom plate and the second bottom plate are integrally formed on a material belt layer, the first bottom plate and the second bottom plate are embedded into the plastic base, no contact exists between the first bottom plate and the second bottom plate, a fixed contact (4) is riveted on the first bottom plate and exposed to the plastic base, one end of the first bottom plate is exposed to the plastic base to form a first wiring end (5), one end of the second bottom plate is exposed to the plastic base and extends obliquely upwards to form a calibration sheet (6), the other end of the second bottom plate is exposed to the plastic base to form a second wiring end (7), and the calibration sheet and the second bottom plate are integrally formed;
The thermal protector comprises a bimetallic strip, the end part of the bimetallic strip is provided with a movable contact, and the temperature calibration is realized by the calibration strip which is close to or far from the bimetallic strip by taking the joint of the calibration strip and the second bottom plate as a reference;
The calibration piece comprises a first section (61), a second section (62) and a third section (63), wherein the first section is parallel to the third section, the second section is connected with the first section and the third section, and the distance (d) between the lower surface of the first section and the lower surface of the third section is 0.13-0.20mm;
on the material belt layer, the material belt comprises a plurality of bottom plates which are distributed at intervals, and continuous production of the base is realized through the material belt.
2. The riveted contact base of a temperature type thermal protector of claim 1, wherein: the distance between the lower surface of the first section and the lower surface of the third section of the calibration sheet was 0.15mm.
3. The riveted contact base of a temperature type thermal protector of claim 1, wherein: the first bottom plate and the second bottom plate are zinc-nickel alloy iron bottom plates.
4. The riveted contact base of a temperature type thermal protector of claim 1, wherein: the first terminal and the second terminal are connected with a wire.
5. The riveted contact base of a temperature type thermal protector of claim 1, wherein: the static contact is a silver point or a gold point.
6. The riveted contact base of a temperature type thermal protector of claim 1, wherein: the stationary contact is a silver point and is connected with the first bottom plate through in-mold riveting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089503.9A CN108321009B (en) | 2018-01-30 | 2018-01-30 | Riveting contact base of temperature type thermal protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089503.9A CN108321009B (en) | 2018-01-30 | 2018-01-30 | Riveting contact base of temperature type thermal protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108321009A CN108321009A (en) | 2018-07-24 |
| CN108321009B true CN108321009B (en) | 2024-05-17 |
Family
ID=62891167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810089503.9A Active CN108321009B (en) | 2018-01-30 | 2018-01-30 | Riveting contact base of temperature type thermal protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108321009B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767951B (en) * | 2019-02-27 | 2023-08-29 | 嵊州市甘霖王氏热保护器厂 | Integral sealing type thermal protector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656172A (en) * | 2009-09-14 | 2010-02-24 | 杭州富阳华裕控制电器厂 | Current temperature protector |
| CN203553040U (en) * | 2013-10-18 | 2014-04-16 | 常州市常宏同力电器有限公司 | Current temperature dual-protector |
| CN206697414U (en) * | 2017-05-19 | 2017-12-01 | 陈华登 | Small size overheats overcurrent protector |
| CN207705103U (en) * | 2018-01-30 | 2018-08-07 | 苏州聚生精密冲件有限公司 | The riveting contact pedestal of temperature mode thermal protector |
-
2018
- 2018-01-30 CN CN201810089503.9A patent/CN108321009B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656172A (en) * | 2009-09-14 | 2010-02-24 | 杭州富阳华裕控制电器厂 | Current temperature protector |
| CN203553040U (en) * | 2013-10-18 | 2014-04-16 | 常州市常宏同力电器有限公司 | Current temperature dual-protector |
| CN206697414U (en) * | 2017-05-19 | 2017-12-01 | 陈华登 | Small size overheats overcurrent protector |
| CN207705103U (en) * | 2018-01-30 | 2018-08-07 | 苏州聚生精密冲件有限公司 | The riveting contact pedestal of temperature mode thermal protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108321009A (en) | 2018-07-24 |
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