CN202917391U - Temperature protection device - Google Patents
Temperature protection device Download PDFInfo
- Publication number
- CN202917391U CN202917391U CN 201120449959 CN201120449959U CN202917391U CN 202917391 U CN202917391 U CN 202917391U CN 201120449959 CN201120449959 CN 201120449959 CN 201120449959 U CN201120449959 U CN 201120449959U CN 202917391 U CN202917391 U CN 202917391U
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- CN
- China
- Prior art keywords
- temperature
- protection device
- temperature protection
- planar metal
- utility
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a temperature protection device and in particular to a temperature protection device with a planar metal cover. The utility model aims to provide a temperature protection device which is smooth in cover surface, large in temperature sensing area, high in temperature sensing rate and quick in response. The temperature protection device comprises a planar metal cover, a double-metal piece, a guide frame, an action rod, a static contact piece, a static contact, a moving spring sheet, a moving contact, a housing base and a rivet. The temperature protection device has the following advantages: the metal cover of the device is a planar metal cover and the cover surface is smooth, the temperature sensing area of the temperature protection device is increased, the temperature sensing rate of the temperature protection device is improved, and the response speed of the temperature protection device is accelerated.
Description
Technical field
The utility model relates to a kind of temperature protector, particularly relates to a kind of bimetal leaf temperature protector with plane temperature sensor structure.
Background technology
The bimetal leaf temperature protector of using at present mainly comprises crown cap, bimetal leaf, leading truck, actuating strut, static contact, fixed contact, movable contact spring, moving contact, shell and terminal etc.Bimetal leaf is in free state during work, and moving contact and static contact are closed, circuit turn-on.When electrical equipment makes temperature rise to the operating temperature of temperature protector because of heating; crown cap is heated and conducts to bimetal leaf; bimetal leaf is heated and produces internal stress and rapidly action, pushes moving contact open and leaves static contact and open circuit, plays a protective role thereby cut off appliances power source.When protected electrical equipment drop in temperature during to the specified reset temperature value of temperature protector, it is closed that bimetallic element returns to initial condition point, and electrical equipment recovers normal operation.
Mainly having the following disadvantages of existing bimetal leaf temperature protector: crown cap is through after the forming processes; capping is eight flower shape, convex or concave shapes, temperature-sensitive face out-of-flatness after the moulding of temperature protector crown cap, and the temperature-sensitive area is less; affect temperature-sensitive speed, the temperature protector response speed is slow.
Summary of the invention
The purpose of this utility model is to provide a kind of temperature-sensitive face smooth in order to address the above problem, and the temperature-sensitive area is large, and temperature-sensitive is rapid, and response is fast bimetal leaf temperature protector rapidly.
To achieve these goals, the technical solution adopted in the utility model is: a kind of temperature protector comprises planar metal lid, packing ring, bimetal leaf, leading truck, actuating strut, static contact, fixed contact, movable contact spring, moving contact, housing base and rivet.It is characterized in that: described sheet metal temperature protector crown cap is planar structure.
The beneficial effect of bimetal leaf temperature protector of the present utility model is: the metal capping is smooth.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified:
Fig. 1 is profile of the present utility model.
Fig. 2 is planar metal lid vertical view of the present utility model.
Fig. 3 is planar metal lid side cutaway view of the present utility model.
Embodiment
Further specify this use is novel below in conjunction with accompanying drawing:
As shown in Figure 1, the utility model comprises; Soldier (11) at the bottom of planar metal lid (1), packing ring (2), bimetal leaf (3), actuating strut (4), leading truck (5), static contact (6), movable contact spring (7), rivet (8), moving contact (9), fixed contact (10), the housing.
A kind of embodiment of the utility model temperature protector comprises; Described front contact (9) is riveted on the described movable contact spring (7), be fixed on the described housing base (11) by described rivet (8), described quiet moving point (10) is riveted on the described static contact (6), described static contact (6) is fixed on the described housing base (11), described actuating strut (4) passes the centre bore of described leading truck (5), the described static contact of one end butt (6), the low described bimetal leaf (3) that connects of the other end.Described bimetal leaf (3) is positioned at described leading truck (5) top.Described packing ring (2) is positioned between described planar metal lid (1) and the described bimetal leaf (3).Described planar metal lid (1) is planar structure, made of aluminum, form cavity with described housing base (11), and be coated on the periphery of described packing ring (2), bimetal leaf (3), actuating strut (4), leading truck (5), static contact (6), movable contact spring (7), rivet (8), moving contact (9), fixed contact (10).Described planar metal lid (1) is planar structure, is used for heat is conducted to described bimetal leaf (3).
Operation principle of the present utility model is: described bimetal leaf (3) is in free state during work, described moving contact (10) and described static contact (6) closure, circuit turn-on.When electrical equipment makes temperature rise to the operating temperature of temperature protector because of heating; described planar metal lid (1) is heated and conducts to described bimetal leaf (3); so being heated, bimetal leaf (3) produces internal stress and rapidly action; push described moving contact (9) open and leave described static contact (6) and open circuit, play a protective role thereby cut off appliances power source.When protected electrical equipment drop in temperature arrived the specified reset temperature value of described temperature protector, bimetallic element returned to the initial condition closing of contact, and electrical equipment recovers normal operation.
To sum up, the utility model temperature protector has following advantage:
The utility model metal capping is the planar metal lid as shown in Figure 2; Planar metal of the present utility model lid as shown in Figure 3, the advantage such as capping is smooth, the utlity model has the temperature-sensitive area large, and temperature-sensitive speed is high, and reaction speed is fast.
It is emphasized that: above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technology of the present utility model refers to all still belong to any simple modification, equivalent variations and modification that above embodiment is done in the scope of technical solutions of the utility model.
Claims (2)
1. a temperature protector comprises planar metal lid, a packing ring, a bimetal leaf, an actuating strut, a leading truck, a static contact, a movable contact spring, a rivet, a moving contact, a fixed contact, a housing base; It is characterized in that: the planar metal lid of described temperature protector is planar structure; Described planar metal lid is used for heat is conducted to described bimetal leaf.
2. temperature protector according to claim 1 is characterized in that: above-mentioned planar metal lid is aluminum planar structure crown cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120449959 CN202917391U (en) | 2011-11-14 | 2011-11-14 | Temperature protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120449959 CN202917391U (en) | 2011-11-14 | 2011-11-14 | Temperature protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202917391U true CN202917391U (en) | 2013-05-01 |
Family
ID=48165678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120449959 Expired - Fee Related CN202917391U (en) | 2011-11-14 | 2011-11-14 | Temperature protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202917391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383903A (en) * | 2013-07-15 | 2013-11-06 | 东莞市凯恩电子科技有限公司 | Dry-burning-resistant temperature-sensitive switch for electric heating device |
| CN104217897A (en) * | 2014-08-13 | 2014-12-17 | 东莞市凯恩电子科技有限公司 | Spring-type power failure restoration temperature control switch capable of controlling two kinds of circuits |
| CN104217895A (en) * | 2014-08-13 | 2014-12-17 | 东莞市凯恩电子科技有限公司 | Spring-type power failure restoration temperature control switch capable of controlling multiple load circuits |
-
2011
- 2011-11-14 CN CN 201120449959 patent/CN202917391U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383903A (en) * | 2013-07-15 | 2013-11-06 | 东莞市凯恩电子科技有限公司 | Dry-burning-resistant temperature-sensitive switch for electric heating device |
| CN104217897A (en) * | 2014-08-13 | 2014-12-17 | 东莞市凯恩电子科技有限公司 | Spring-type power failure restoration temperature control switch capable of controlling two kinds of circuits |
| CN104217895A (en) * | 2014-08-13 | 2014-12-17 | 东莞市凯恩电子科技有限公司 | Spring-type power failure restoration temperature control switch capable of controlling multiple load circuits |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Dongguan Kai an electronic technology Co., Ltd. Document name: Notification that Application Deemed to be Withdrawn |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Dongguan Kaiyi Electronic Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |