CN212032946U

CN212032946U - Single-chip manual reset temperature controller

Info

Publication number: CN212032946U
Application number: CN202020553652.9U
Authority: CN
Inventors: 黄奇波; 邵森林
Original assignee: XC ELECTRONICS (SHENZHEN) CO Ltd
Current assignee: XC ELECTRONICS (SHENZHEN) CO Ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-11-27
Anticipated expiration: 2030-04-15

Abstract

The utility model provides a single-chip manual reset temperature controller, which comprises a shell, wherein a sealing cover is sleeved on the upper end of the shell, the shell is respectively provided with two wiring terminals, the shell is provided with a guide frame, the guide frame is arranged at the upper part in the shell and forms a movable cavity with the sealing cover, and an action piece is arranged in the movable cavity; the shell is provided with a static sheet, a movable spring sheet and a reset rod, the lower end surface of the static sheet is provided with a static contact, the upper end surface of the movable spring sheet is provided with a movable contact, and the static contact and the movable contact are arranged oppositely up and down and are in contact with each other; an action rod is arranged in the center of the guide frame in a penetrating way; the shell is provided with the reset rod, one end of the reset rod is abutted against the movable spring, and the other end of the reset rod penetrates through the shell and is arranged outside the shell; the action piece is in a disc shape, and the top surface of the action piece is contacted with the inner surface of the sealing cover. The utility model discloses simple structure, action piece receive the heat of closing cap transmission and reach direct action in movable contact spring behind the action temperature for this manual reset temperature controller's reaction rate is fast, and temperature accuracy and sensitivity are high.

Description

Single-chip manual reset temperature controller

Technical Field

The utility model relates to a temperature controller technical field especially relates to a manual temperature controller that resets of monolithic.

Background

At present in the domestic heating class electrical apparatus, can predetermine the temperature usually because of the safety design, can automatic power off when the temperature surpasss the threshold value, prevent that domestic appliance from using because components and parts are overheated and damage or arouse the conflagration, often install a temperature controller in domestic appliance. The traditional temperature controller is packaged by a sealed sealing cover, main action parts mainly comprise a disc-shaped metal temperature sensing sheet and a disc-shaped stainless steel sheet, the metal temperature sensing sheet can reversely jump to push the stainless steel sheet to rotate reversely after being heated, and an action rod in the temperature controller is pushed to push a movable contact spring, so that the movable contact and a static contact are switched on and off. However, the temperature controller with the structure is always in an off state after being turned off, and cannot be manually reset; in addition, because two metal sheets are adopted, the reaction is slow, and the temperature precision is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, and the utility model provides a simple structure, reaction rate is fast, the temperature precision is high and can press the manual temperature controller that resets of monolithic that resets.

The utility model discloses a realize through following technical scheme: a single-chip manual reset temperature controller comprises a shell, wherein a sealing cover is sleeved at the upper end of the shell, two wiring terminals are respectively arranged on the outer side of the lower end of the shell, a guide frame is arranged at the upper part in the shell, the guide frame is arranged at the upper part in the shell, a movable cavity is formed between the guide frame and the sealing cover, and an action piece is arranged in the movable cavity; the lower part in the shell is provided with a static sheet, a movable spring sheet and a reset rod, the lower end surface of the static sheet is provided with a static contact, the upper end surface of the movable spring sheet is provided with a movable contact, and the static contact and the movable contact are arranged oppositely up and down and are contacted with each other; an action rod penetrates through the center of the guide frame, one end of the action rod is abutted with the action piece, and the other end of the action rod is abutted with the movable spring piece; the bottom of the shell is penetrated with the reset rod, one end of the reset rod is abutted against the movable spring, and the other end of the reset rod penetrates through the shell and is arranged outside the shell; the action piece is in a disc shape, and the top surface of the action piece is in contact with the inner surface of the sealing cover.

In the structure, one side of the inner wall of the bottom of the shell is provided with an installation step, a long rivet is arranged in the installation step, a short rivet is arranged on the other side of the inner wall of the bottom of the shell, the static sheet and the movable reed are respectively arranged at the top ends of the long rivet and the short rivet, and the static sheet and the movable reed are electrically connected with the two wiring terminals on the outer side of the shell through the long rivet and the short rivet.

In the structure, the center of the bottom of the shell is provided with a sliding guide groove, the middle part of the reset rod protrudes outwards to form a shaft shoulder, and the reset rod is installed in the sliding guide groove through the shaft shoulder and can slide in a reciprocating mode along the sliding guide groove.

In the above structure, the movable spring is a U-shaped structure, the movable spring has a movable part and a fixed part, the movable part has the movable contact on the top surface, the fixed part is mounted on the upper end surface of the sliding guide groove, and the fixed part is provided with a central through hole for the reset rod to pass through; the reset rod can penetrate through the central through hole of the fixing part and is abutted to the movable part.

In the above structure, the cap is made of an aluminum material.

Compared with the prior art, the utility model discloses following profitable technological effect has: the utility model has the advantages that the single action piece is directly heated and then deformed into a bowl shape and pushes the action rod to act on the action reed, so that the movable contact and the static contact on the action reed are separated to cut off the power; when the work needs to be done again, the reset rod is manually pressed, the reset rod pushes the movable contact on the movable contact spring to be in contact with the fixed contact on the fixed piece for conduction, and meanwhile, the reset rod pushes the action rod through the movable contact spring to enable the action piece to return to the initial state. The utility model discloses simple structure, action piece receive the heat of closing cap transmission and reach direct action in movable contact spring behind the action temperature for this manual reset temperature controller's reaction rate is fast, and temperature accuracy and sensitivity are high.

Drawings

Fig. 1 is a schematic view of the split structure of the present invention;

FIG. 2 is a schematic view of a portion of the circle in FIG. 1;

fig. 3 is a longitudinal sectional view of the present invention.

In the figure: the device comprises a shell 1, a cover 2, a connecting terminal 3, a long rivet 4, a short rivet 5, a movable cavity 10, a guide frame 11, an action rod 12, an action piece 13, a fixed piece 14, a fixed contact 141, a movable contact spring 15, a movable contact 151, a movable part 152, a fixed part 153, a central through hole 154, a reset rod 16, a shaft shoulder 161 and a sliding guide groove 17.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.

As shown in fig. 1 to 3, the utility model discloses a manual reset temperature controller of monolithic, including the casing 1 of cavity tube-shape, casing 1 upper end cover is equipped with closing cap 2, and the outside of casing 2 lower extreme is equipped with two binding post 3 respectively, and two binding post 3 establish ties on the power. More specifically, the upper portion of the inside of the casing 1 is provided with a guide frame 11, the guide frame 11 is arranged on the upper portion of the inside of the casing 1 and forms a movable cavity 10 with the sealing cover 2, and an action piece 13 is arranged in the movable cavity 10. Furthermore, the lower part in the shell 1 is sequentially provided with a static sheet 14, a movable spring 15 and a reset rod 16; the lower end face of the fixed piece 14 is provided with a fixed contact 141, the upper end face of the movable spring piece 15 is provided with a movable contact 151, and the fixed contact 141 and the movable contact 151 are arranged oppositely up and down and are contacted with each other. Furthermore, an action rod 12 is arranged in the center of the guide frame 11 in a penetrating way, one end of the action rod 12 is abutted with the action piece 13, and the other end is abutted with the movable spring piece 15; the bottom of the shell 1 is provided with a reset rod 16 in a penetrating way, the reset rod 16 is arranged at the lower position of the action rod 12, one end of the reset rod 16 is abutted against the movable spring piece 15, and the other end of the reset rod 16 penetrates through the shell 1 and is arranged outside the shell 1.

That is, in normal operation (the fixed contact 141 of the fixed piece 14 is in contact with the movable contact 151 of the movable spring 15 for conduction), when the movable piece 13 is heated by the cover 2 and reaches a predetermined temperature, the movable piece 13 is deformed downward into a bowl shape and pushes the movable rod 12 to act on the movable spring 15, so that the movable contact 151 of the movable spring 15 is separated from the fixed contact 141 of the fixed piece 14, and thus the power is cut off. The actuating piece 13 is a temperature sensing elastic piece, when the actuating piece 13 reaches a predetermined temperature point, the actuating piece 13 deforms, and the reset temperature of the actuating piece 13 after power failure is below minus 30 ℃, so that the actuating piece 13 is always in a disconnected state at normal temperature. When the reset lever 16 is manually pressed, the reset lever 16 pushes the movable contact 151 on the movable contact spring 15 to contact with the fixed contact 141 on the fixed piece 14 for conduction, and at the same time, the reset lever 16 pushes the action rod 12 through the movable contact spring 15 to return the action piece 13 to the initial state. Due to the adoption of the structure of the single action piece 13, the action piece 13 is directly subjected to the heat transferred by the sealing cover 2 and deforms after reaching the preset temperature, and the action rod 12 is pushed to directly act on the movable spring piece 15, so that the manual reset temperature controller has high reaction speed, high temperature precision and high sensitivity.

Preferably, a mounting step (not shown) is provided at one side of the inner wall of the bottom of the housing 1, a long rivet hole is provided in the mounting step 17, and the long rivet 5 is mounted in the long rivet hole. And a short rivet hole is formed in the other side of the inner wall of the bottom of the shell 1, and the short rivet is arranged in the short rivet hole. The static piece 14 and the movable spring piece 15 are respectively arranged at the top ends of the long rivet 4 and the short rivet 5, and the static piece 14 and the movable spring piece 15 are electrically connected with the two connecting terminals 3 on the outer side of the shell 1 through the long rivet 4 and the short rivet 5.

Preferably, a sliding guide groove 17 is formed at the center of the bottom of the housing 1, a shoulder 161 is protruded from the middle of the restoring rod 16, and the restoring rod 16 is installed in the sliding guide groove 17 through the shoulder 161 and slides back and forth along the sliding guide groove 17. Further, the movable spring 15 is of a T-shaped structure, the movable spring 15 has a movable portion 152 and a fixed portion 153, the movable portion 152 has a movable contact 151 on a top surface thereof, the fixed portion 153 is mounted on an upper end surface of the sliding guide slot 17, and the fixed portion 153 is provided with a central through hole 154 for the reset rod 16 to pass through; that is, the reset lever 16 can pass through the central through hole 154 of the fixing portion 153 and abut against the bottom surface of the movable portion 152; when the reset lever 16 is pressed manually, the reset lever 16 pushes the movable contact 151 on the movable part 152 to contact with the fixed contact 151 on the fixed piece 14 for conduction, and at the same time, the reset lever 16 can push the action rod 12 through the movable contact piece 15 to return the action piece 13 to the initial state.

Preferably, the actuating plate 13 is disc-shaped, the top surface of the actuating plate 13 contacts the inner surface of the cover 2, and the actuating plate 13 is movably engaged with the actuating rod 12.

Preferably, the cap 2 is made of an aluminum material.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a manual reset temperature controller of monolithic, includes the casing, the cover is equipped with the closing cap on the casing, and the outside of casing lower extreme is equipped with two binding post, characterized by respectively: the upper part in the shell is provided with a guide frame, the guide frame is arranged at the upper part in the shell and forms a movable cavity with the sealing cover, and an action piece is arranged in the movable cavity; the lower part in the shell is sequentially provided with a static sheet, a movable spring sheet and a reset rod, the lower end surface of the static sheet is provided with a static contact, the upper end surface of the movable spring sheet is provided with a movable contact, and the static contact and the movable contact are arranged oppositely up and down and are contacted with each other; an action rod penetrates through the center of the guide frame, one end of the action rod is abutted with the action piece, and the other end of the action rod is abutted with the movable spring piece; the bottom of the shell is penetrated with the reset rod, one end of the reset rod is abutted against the movable spring, and the other end of the reset rod penetrates through the shell and is arranged outside the shell; the action piece is in a disc shape, and the top surface of the action piece is in contact with the inner surface of the sealing cover.

2. The one-piece manually-reset thermostat of claim 1, wherein: the improved shell structure is characterized in that an installation step is arranged on one side of the inner wall of the bottom of the shell, a long rivet is arranged in the installation step, a short rivet is arranged on the other side of the inner wall of the bottom of the shell, the static sheet and the movable reed are respectively arranged at the top ends of the long rivet and the short rivet, and the static sheet and the movable reed are electrically connected with the two wiring terminals on the outer side of the shell through the long rivet and the short rivet.

3. The one-piece manually-reset thermostat of claim 1, wherein: a sliding guide groove is formed in the center of the bottom of the shell, a shaft shoulder is arranged in the middle of the reset rod in an outwards protruding mode, and the reset rod is installed in the sliding guide groove through the shaft shoulder and slides in a reciprocating mode along the sliding guide groove.

4. The single piece manual reset thermostat of claim 3, wherein: the movable spring is of a T-shaped structure and is provided with a movable part and a fixed part, the movable contact is arranged on the top surface of the movable part, the fixed part is arranged on the upper end surface of the sliding guide groove, and the fixed part is provided with a central through hole for the reset rod to pass through; the reset rod can penetrate through the central through hole of the fixing part and is abutted to the movable part.