CN111968879B

CN111968879B - Magnetic steel sensor

Info

Publication number: CN111968879B
Application number: CN202010985044.XA
Authority: CN
Inventors: 夏贤冲; 关俊贤
Original assignee: Chuandong Magnetic Electronic Co Ltd
Current assignee: Chuandong Magnetic Electronic Co Ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2024-06-04
Anticipated expiration: 2040-09-18
Also published as: CN111968879A

Abstract

The invention discloses a magnetic steel sensor, comprising: the big cup is provided with an upper hole and a lower hole, the big cup is provided with a circumference convex edge, and the side surface of the big cup is provided with an M-shaped hole; the outer spring is arranged in the large cup, and the free height of the outer spring is higher than the height of the large cup; the micro-motion assembly is arranged in the large cup and comprises a small cup, a micro-motion switch and a soft magnet; the invention provides the magnetic steel sensor, the structure and the connection mode of the big cup and the small cup are modified, wherein the limit piece of the small cup acts on the hole site in the big cup to move, so that the problem of slot deviation of the old magnetic steel sensor is avoided, the stability of the magnetic steel sensor is improved, the micro switch is additionally arranged, the soft magnetic bearing function is firstly provided, the defect that the soft magnetic falls down is reduced, and the contacts in the micro switch are influenced by the soft magnetic and the magnet, so that the micro switch is used for switching between two modes, and the automatic control effect is achieved.

Description

Magnetic steel sensor

Technical Field

The invention relates to the field of temperature controllers, in particular to a magnetic steel sensor.

Background

The magnetic steel sensor is a temperature controller and is mostly used on an electric cooker, belongs to a mechanical device capable of realizing automatic power-off of the electric cooker, and is structurally stable, the parts of the magnetic steel sensor can be damaged due to multiple contact friction between a large cup and a small cup, the service life is reduced, and the use and installation modes of the magnetic steel sensor are complex.

Disclosure of Invention

The present invention solves the above-mentioned problems by providing a magnetic steel sensor.

The aim of the invention can be achieved by the following technical scheme:

A magnetic steel sensor, comprising:

The big cup is provided with an upper hole and a lower hole, the big cup is provided with a circumference convex edge, and the side surface of the big cup is provided with an M-shaped hole; the outer spring is arranged in the large cup, and the free height of the outer spring is higher than the height of the large cup; the micro-motion assembly is arranged in the large cup, the micro-motion assembly comprises a small cup, a micro-motion switch and a soft magnet, the small cup is arranged below the micro-motion switch, the small cup is provided with a hole from top to bottom and comprises a limiting piece arranged at the top, the soft magnet is arranged at the top of the micro-motion switch, the micro-motion switch comprises a bottom box, an upper cover and a multi-contact connecting assembly, a placing groove is arranged in the bottom box, the bottom of the bottom box is provided with a hole, the upper cover is in matched connection with the bottom box, the multi-contact connecting assembly is arranged in the bottom box, the multi-contact connecting assembly comprises an arc-shaped support, a connecting piece, an elastic piece, a protruding contact piece, a key, an L-shaped movable contact piece I, an L-shaped movable contact piece II, a small spring and a magnet, wherein the connecting piece is provided with a hollow groove, the arc-shaped support and the protruding contact piece vertically penetrate through the hollow groove, the key is arranged above the arc-shaped support, the magnet is arranged in the connecting piece, the connecting piece is arranged below the small spring, the connecting piece is arranged from top to bottom, the small spring is connected with the inner wall of the bottom box, the L-shaped contact piece, the tail ends of the small spring and the L-shaped contact piece are connected with the bottom box in a matched connection, the L-shaped contact piece, the L-shaped movable contact piece and the L-shaped contact piece are respectively provided with the L-shaped movable contact piece and the L-shaped movable contact piece and the L contact piece; the heat conduction cover is connected with the big cup through the outer spring and is provided with an arc-shaped protruding edge.

Further, the connecting piece is concave, and the connecting piece still is equipped with the buckle, the buckle passes through the shell fragment and is connected with protruding contact, protruding contact includes square groove one and square groove two, square groove one and shell fragment lock joint, square groove two and arc support lock joint.

Further, the upper cover is internally provided with a fixed cylinder, the bottom box is provided with a fixed circular groove, and the upper cover and the bottom box are spliced into a T-shaped shell.

The invention has the beneficial effects that:

The invention provides the magnetic steel sensor, the structure and the connection mode of the big cup and the small cup are modified, wherein the limit piece of the small cup acts on the hole site in the big cup to move, so that the problem of slot deviation of the old magnetic steel sensor is avoided, the stability of the magnetic steel sensor is improved, the micro switch is additionally arranged, the soft magnetic bearing function is firstly provided, the defect that the soft magnetic falls down is reduced, and the contacts in the micro switch are influenced by the soft magnetic and the magnet, so that the micro switch is used for switching between two modes, and the automatic control effect is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an overall schematic of the present invention.

Fig. 2 is a schematic diagram of the overall explosive structure of the present invention.

Fig. 3 is a schematic diagram of a micro switch according to the present invention.

Fig. 4 is a schematic view of the top cover and bottom case of the present invention.

Fig. 5 is a schematic view of a multi-contact connection assembly according to the present invention.

Fig. 6 is a schematic connection diagram of a multi-contact connection assembly of the present invention.

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in figures 1-6,

A magnetic steel sensor, comprising:

The cup 1 is provided with an upper hole and a lower hole, the cup 1 is provided with a circumference convex edge, and the side surface of the cup 1 is provided with an M-shaped hole;

The outer spring 2 is arranged in the large cup 1, and the free height of the outer spring 2 is higher than the height of the large cup 1;

The micro-motion assembly 3, the micro-motion assembly 3 is arranged in the big cup 1, the micro-motion assembly 3 comprises a small cup 31, a micro-motion switch 32 and a soft magnetic 33, the small cup 31 is arranged below the micro-motion switch 32, the small cup 31 is provided with an upper opening and a lower opening, the micro-motion assembly comprises a limiting piece 311 arranged at the top, in the embodiment, the limiting piece 311 acts on the bottom of the big cup 1 and is used for limiting the movement of the small cup 31 in the big cup 1, the structural stability of the small cup and the big cup is improved, the soft magnetic 33 is arranged at the top of the micro-motion switch 32, in the embodiment, the soft magnetic 33 is arranged above the micro-motion switch 32 to form a whole with the micro-motion switch 32, the defect that the soft magnetic 33 falls due to the influence of external force is reduced, the micro-motion switch 32 comprises a bottom box 321, an upper cover 322 and a multi-contact connecting assembly 323, a placing groove 3211 is arranged in the bottom of the bottom box 321, in the embodiment, the opening 3212 is arranged at the bottom of the bottom box 321, the upper cover 322 is used for placing a contact connection end through a hole 3212, the upper cover 322 is connected with the bottom box 321 in a matching way, the multi-contact connection assembly 323 is arranged inside the bottom box 321, the multi-contact connection assembly 323 comprises an arc-shaped bracket 3231, a connecting piece 3232, a spring piece 3233, a protruding contact piece 3234, a key 3238, an L-shaped movable contact piece 3235, an L-shaped movable contact piece II 3236, a small spring 3239 and a magnet 3237, the connecting piece 3232 is provided with a hollow groove, the arc-shaped bracket 3231 and the protruding contact piece 3234 vertically penetrate through the hollow groove, the key 3238 is arranged above the arc-shaped bracket 3231, the key is formed by splicing 7-shaped ends and rectangular ends, wherein the ends are arranged on the hole, the key is used for poking the arc-shaped bracket, the spring piece 3233 is arranged inside the connecting piece 3232, the magnet 3237 and the small spring 3239 are arranged below the connecting piece 3232 from top to bottom, the tail end of the small spring 3239 is connected with the inner wall of the bottom box 321, the small spring is used for resetting the magnet, the first L-shaped movable contact piece 3235 and the second L-shaped movable contact piece 3236 are respectively arranged on the right side of the connecting piece 3232, and are used for automatically switching on and off of heating through upper and lower contacts, and the tail ends of the protruding contact piece 3234, the first L-shaped movable contact piece 3235 and the second L-shaped movable contact piece 3236 are respectively penetrated through the holes; the heat conduction cover 4, heat conduction cover 4 is connected with the big cup 1 through outer spring 2, heat conduction cover 4 is equipped with the protruding edge of arc.

The connection piece 3232 is the spill, and the connection piece protection shell fragment of spill effectively restricts shell fragment atress deformation and leads to the skew, just connection piece 3232 still is equipped with the buckle, the buckle passes through shell fragment 3233 and is connected with protruding contact 3234, protruding contact 3234 includes square groove one and square groove two, square groove one and shell fragment 3233 lock joint, square groove two and arc support 3231 lock joint, in this embodiment, protruding contact 3234's square groove one forms first section linkage through the buckle of shell fragment and connection piece, and protruding contact 3234's square groove two forms the second linkage through arc support 3231 and button, realizes micro-gap switch internal debugging operation through the button.

The upper cover 322 is inside to be equipped with fixed cylinder 3222, end box 321 is equipped with fixed circular groove 3223, through adopting above structural connection, convenient to detach and installation, the upper cover 322 splices into the shell of a T shape with end box 321, and in this embodiment, the shell includes cylinder, cuboid and the circular groove on cylinder surface, and wherein cylinder part and little cup top nest are connected, and second cuboid and little cup's bottom nest are connected, and last circular groove is used for placing soft magnetism.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims

1. A magnetic steel sensor, comprising:

The big cup is provided with an upper hole and a lower hole, the big cup is provided with a circumference convex edge, and the side surface of the big cup is provided with an M-shaped hole;

the outer spring is arranged in the large cup, and the free height of the outer spring is higher than the height of the large cup;

The micro-motion assembly is arranged in the big cup, the micro-motion assembly comprises a small cup, a micro-motion switch and a soft magnet, the small cup is arranged below the micro-motion switch, the small cup is provided with holes from top to bottom and comprises a limiting piece arranged at the top, the soft magnet is arranged at the top of the micro-motion switch, the micro-motion switch comprises a bottom box, an upper cover and a multi-contact connecting assembly, a placing groove is arranged in the bottom box, the bottom of the bottom box is provided with the holes, the upper cover is connected with the bottom box in a matching way, the multi-contact connecting assembly is arranged in the bottom box, the multi-contact connecting assembly comprises an arc-shaped support, a connecting piece, a spring piece, a protruding contact piece, a key, an L-shaped movable contact piece I, an L-shaped movable contact piece II, a small spring and a magnet, the connecting piece is provided with a hollow groove, the arc-shaped support and the protruding contact piece vertically penetrates through the hollow groove, the novel electric iron comprises an arc-shaped support, a magnet, a small spring, a first L-shaped movable contact piece, a second L-shaped movable contact piece, a first connecting piece, a second connecting piece, a first square groove, a second square groove, a first elastic piece, a second square groove, a first fixing cylinder, a second fixing cylinder, a third fixing cylinder, a T-shaped shell, wherein the first elastic piece and the second elastic piece are arranged above the arc-shaped support;

The heat conduction cover is connected with the big cup through the outer spring and is provided with an arc-shaped protruding edge.