Unlock instant, AI-driven research and patent intelligence for your innovation.

Circuit breaking mechanism, temperature protection circuit breaker and electric heating electric appliance

A circuit breaking mechanism and circuit protection technology, which is applied to thermal switch components and other directions, can solve the problems of high market rework rate, inability to realize temperature measurement, and inability to manually reset, so as to reduce the market rework rate and improve the convenience of use , Increase the effect of temperature measurement function

Pending Publication Date: 2020-05-08
杭州科美特传感器有限公司
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The thermal fuse is one-time non-recoverable and cannot be manually reset, so the error tolerance rate of misoperation is very low, and the market rework rate remains high
Moreover, the overheating protection device in the prior art has a single function, which can only protect against overheating, and cannot measure the temperature

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Circuit breaking mechanism, temperature protection circuit breaker and electric heating electric appliance
  • Circuit breaking mechanism, temperature protection circuit breaker and electric heating electric appliance
  • Circuit breaking mechanism, temperature protection circuit breaker and electric heating electric appliance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Such as figure 1 and figure 2 As shown, this embodiment provides a breaking mechanism 1, including pins 11 for connecting to an external circuit, breaking mechanism 1 also includes a thermally deformable piece 12, a push rod 13, a static contact piece 14, and a static contact piece connecting rod 15 , the moving contact piece 16 and the moving contact piece connecting rod 17.

[0046] In this embodiment, the static contact 14 is crescent-shaped, and one end of the crescent is connected to the pin 11 through the static contact connecting rod 15. The specific connection method between the static contact 14 and the static contact connecting rod 15 can be threaded connection or The other end is provided with a static contact portion 141, which is in the shape of a cylinder. In other embodiments, the static contact portion 141 can also be in other shapes, which are not limited here. The static contact portion 141 can be integrally formed with the static contact piece 14 , o...

Embodiment 2

[0050] Such as Figure 3 to Figure 9 As shown, this embodiment provides a temperature protection circuit breaker, including a base 2, the base 2 is in the shape of a cylinder, and is an insulating base, and its material can be ceramics, plastics, bakelite and other insulating materials, which are not described here. limited. The pins 11 are mounted on the outside of the base 2, specifically the bottom surface of the cylinder. The temperature protection circuit breaker provided in this embodiment also includes the breaking mechanism 1 in the first embodiment, and the base 2 is provided with a mechanism installation groove 22 for installing the breaking mechanism 1 . The moving contact piece connecting rod 17 and the static contact piece connecting rod 15 pass through the base 2 respectively, therefore, the groove bottom of the mechanism mounting groove 22 is provided with a first through hole 221 for the static contact piece connecting rod 15 to pass through and a first throug...

Embodiment 3

[0060] The difference between this embodiment and the second embodiment is that the temperature protection circuit breaker provided by this embodiment does not have a temperature measuring device 3, which results in a difference in the structure of the first isolation cover plate and the second isolation cover plate 24 of the temperature protection circuit breaker. different. In this embodiment, the first isolation cover plate does not have a relief hole, but only has a thermally deformable sheet installation groove, and the position of the thermally deformable sheet installation groove corresponds to the position of the thermally deformable sheet 12 in the circuit breaking mechanism 1 to support the thermally deformable sheet 12 , and keep the thermally deformable sheet 12 stable to ensure that the thermally deformable sheet 12 does not touch the push rod 13 when no thermal deformation occurs, and the thermal deformation occurs enough to push the push rod 13 and make the push ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a circuit breaking mechanism, a temperature protection circuit breaker and an electric heating electric appliance and relates to the electric appliance field. A pin, a thermaldeformation sheet, an ejector rod, a static contact sheet, a static contact sheet connecting rod, a movable contact sheet and a movable contact sheet connecting rod are included. The movable contact sheet connecting rod is connected with the movable contact sheet and the pin; the static contact sheet connecting rod is connected with the static contact sheet and the pin; the ejector rod is locatedbetween the movable contact sheet and the thermal deformation sheet; and the circuit breaking mechanism has a connection state and a circuit breaking state, in the connection state, the static contactsheet makes contact with the movable contact sheet, the thermal deformation sheet deforms after being heated to push the ejector rod, the ejector rod pushes the movable contact sheet to separate themovable contact sheet from the static contact sheet, and the circuit breaking mechanism is changed into the circuit breaking state from the connection state. A thermal link in the prior art can be replaced, and recoverable and reusable effects are achieved.

Description

【Technical field】 [0001] The invention relates to the field of electrical appliances, in particular to a circuit breaking mechanism, a temperature protection circuit breaker and an electric heating appliance. 【Background technique】 [0002] Electric heating appliances, especially kitchen appliances, must have an overheating protection device. However, in the prior art, thermal fuses are mostly used for overheating protection. The thermal link is one-time non-recoverable and cannot be manually reset, so the error tolerance rate of misoperation is very low, and the market rework rate remains high. Moreover, the overheating protection device in the prior art has a single function, which can only protect against overheating, but cannot measure the temperature. 【Content of invention】 [0003] In order to solve the aforementioned problems, the present invention provides a circuit breaker, which can replace the thermal fuse and is recoverable and reusable. [0004] In order to...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H01H37/46H01H37/64H01H37/70
CPCH01H37/46H01H37/64H01H37/70
Inventor 苗祥魁王剑
Owner 杭州科美特传感器有限公司