CN213025948U

CN213025948U - Magnetic-sensing temperature controller

Info

Publication number: CN213025948U
Application number: CN202022093543.6U
Authority: CN
Inventors: 吴明凯; 芮珍珍
Original assignee: Nanjing Xidi Electric Appliance Co ltd
Current assignee: Nanjing Xidi Electric Appliance Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-04-20
Anticipated expiration: 2030-09-22

Abstract

The utility model belongs to the field of temperature controllers, in particular to a magnetic-sensing temperature controller, aiming at the problems that after the magnetic-sensing temperature controller with the prior action push rod triggering structure is used for a long time, the action push rod and the hard magnet have loose connection, the safety and the reliability of products are greatly reduced, and the safety risk exists in the use of users, the utility model provides a scheme, which comprises a box body with an opening at one side, a PLC control panel and a storage battery are respectively and fixedly arranged on the inner walls at the two sides of the box body, the same heat conducting sheet is fixedly arranged on the inner walls at the two sides of the box body, the temperature-sensing soft magnet is fixedly arranged at the bottom of the heat conducting sheet, the two sides of the temperature-sensing soft magnet are respectively and fixedly arranged with the inner walls at the two sides of the box body, compared with the prior art, the control circuit can be switched on, low production cost and prolonged service life of the magnetic-sensing temperature controller.

Description

Magnetic-sensing temperature controller

Technical Field

The utility model relates to a temperature controller technical field especially relates to a magnetic-sensing temperature controller.

Background

The temperature controller is a series of automatic control elements which generate on or off actions according to the physical deformation in the switch according to the temperature change of the working environment, or transmits the temperature to a temperature controller through a temperature protector, and the temperature controller sends out a switch command, so that the operation of equipment is controlled to achieve the ideal temperature and energy-saving effects.

The existing magnetic-sensing temperature controller adopts a mode of an action push rod to conduct and break a control circuit, after the magnetic-sensing temperature controller adopting the action push rod triggering structure is used for a long time, the action push rod and a hard magnet are not connected, the safety and the reliability of a product are greatly reduced, and a safety risk exists in the use of a user, so that the magnetic-sensing temperature controller is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the magnetic-sensing temperature controller that has action push rod trigger structure among the prior art and after long-term the use, action push rod and hard magnet have the condition of connecting not hard up to take place, product security and reliability greatly reduced, the user uses the shortcoming that has the safety risk, and the magnetic-sensing temperature controller who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a magnetic-sensing temperature controller comprises a box body with an opening at one side, wherein a PLC control panel and a storage battery are fixedly mounted on the inner walls of two sides of the box body respectively, the inner walls of two sides of the box body are fixedly provided with a same heat conducting sheet, the bottom of the heat conducting sheet is fixedly provided with a temperature-sensing soft magnet, two sides of the temperature-sensing soft magnet are fixedly mounted with the inner walls of two sides of the box body respectively, the inner wall of the bottom of the box body is fixedly provided with a control circuit, the bottom of the control circuit and two fixed contacts which are symmetrically arranged are fixedly mounted, the top of the control circuit and the bottom of the temperature-sensing soft magnet are fixedly mounted, a hard magnet is slidably mounted on the inner wall of the bottom of the box body and is positioned under the temperature-sensing soft magnet, the outer side of the hard magnet is fixedly sleeved with a movable contact, two sides of the movable contact are fixedly provided, the movable contact spring is electrically connected with the storage battery.

Preferably, for the convenience of maintaining the inside part of box body, one side fixed mounting of box body has the lid, and the lid covers the opening of box body completely, lid and box body are fixed through the bolt, the equal fixed mounting in both sides of box body has the mounting panel, and two fixed orificess that the symmetry set up are all seted up to one side of two mounting panels, one side fixed mounting of lid has digital display screen, and digital display screen and PLC control panel electric connection.

Preferably, for the convenience of carrying out real time monitoring to outside temperature, set up on the top inner wall of box body and detect the mouth, and fixed mounting has temperature sensor on one side inner wall of detection mouth, temperature sensor and PLC control panel electric connection.

Preferably, for the automatic longitudinal movement who realizes the hard magnet, can be with strong real-time, fixed mounting has two bases that the symmetry set up on the bottom inner wall of box body, the spout has all been seted up at the top of two bases, the equal slidable mounting in inside of two spouts has the stand, the top of two stands extends to the top of two bases respectively, and the top of two stands all with the bottom fixed mounting of hard magnet, the equal fixed mounting in top of two bases has reset spring, two reset spring are respectively around establishing the outside at two stands, and the top of two reset spring respectively with the outside fixed mounting of two stands.

Preferably, in order to improve the stability of the contact between the fixed contact and the movable contact, two clamping grooves are symmetrically formed in the bottom of the temperature sensing soft magnet, two clamping blocks are symmetrically arranged and fixedly mounted at the top of the hard magnet, and the two clamping blocks and the two clamping grooves can be movably clamped in a detachable mode.

In the utility model, the heat generated by the temperature rise of the main part of the product is transferred to the temperature-sensing soft magnet through the heat conducting sheet, when the main part of the product starts to heat, the temperature of the temperature-sensing soft magnet is lower than the Curie temperature, the temperature-sensing soft magnet has magnetism, the magnetic attraction action occurs between the temperature-sensing soft magnet and the hard magnet, the magnetic force between the temperature-sensing soft magnet and the hard magnet can act on the hard magnet to move upwards, and further drive the two stand columns to move upwards, the two reset springs are deformed under stress, the two movable contacts and the two stationary contacts are contacted, and then the control circuit is switched on, when the temperature of the temperature-sensing soft magnet gradually rises higher than the Curie temperature, the magnetism of the temperature-sensing soft magnet disappears, the restoring force action hard magnet of the reset spring is far away from the temperature-sensing soft magnet, the movable contacts and the stationary contacts are separated, the control circuit is switched, an action push rod is not needed, the structure is simpler, the production cost is low, and the service life of the magnetic-sensing temperature controller is prolonged;

in order to solve the problem that the box body is inconvenient to fix and install, the installation plates are arranged on the two sides of the box body, and two fixing holes are formed in one side of each installation plate and can be screw holes, so that the box body can be conveniently installed, and the operability is high;

in order to solve the problem of low stability when the temperature sensing soft magnet and the hard magnet are attached, the clamping stability of the temperature sensing soft magnet and the hard magnet can be further improved by the detachable movable clamping of the clamping groove and the clamping block.

Drawings

FIG. 1 is a perspective view of a magnetic temperature controller according to the present invention;

fig. 2 is a schematic view of a main view structure of a magneto-dependent temperature controller according to the present invention;

fig. 3 is an enlarged schematic view of a portion a of the structure in fig. 2 of the magnetically sensitive temperature controller according to the present invention.

In the figure: the device comprises a box body 1, a box cover 2, a digital display screen 3, a mounting plate 4, a PLC control panel 5, a detection port 6, a temperature sensor 7, a storage battery 8, a heat conducting strip 9, a temperature sensing soft magnet 10, a clamping groove 11, a control circuit 12, a stationary contact 13, a base 14, a sliding groove 15, an upright post 16, a return spring 17, a hard magnet 18, a movable contact 19, a clamping block 20 and a movable contact 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a magnetic-sensing temperature controller comprises a box body 1 with an opening on one side, a PLC control board 5 and a storage battery 8 are fixedly installed on the inner walls of both sides of the box body 1, the same heat conducting sheet 9 is fixedly installed on the inner walls of both sides of the box body 1, a temperature-sensing soft magnet 10 is fixedly installed at the bottom of the heat conducting sheet 9, both sides of the temperature-sensing soft magnet 10 are fixedly installed with the inner walls of both sides of the box body 1, a control circuit 12 is fixedly installed on the inner wall of the bottom of the box body 1, the bottom of the control circuit 12 and two symmetrically arranged stationary contacts 13 are fixedly installed, the top of the control circuit 12 and the bottom of the temperature-sensing soft magnet 10 are fixedly installed, a hard magnet 18 is slidably installed on the inner wall of the bottom of the box body 1, the hard magnet 18 is positioned under the temperature-sensing soft magnet 10, a movable contact 19 is, two movable contacts 21 are respectively positioned right below the two fixed contacts 13, and the movable contact piece 19 is electrically connected with the storage battery 8.

The following further improvements are made on the basis of the first embodiment:

example two

The utility model discloses in, for the convenience maintain the inside part of box body 1, one side fixed mounting of box body 1 has lid 2, and lid 2 covers the opening of box body 1 completely, lid 2 and box body 1 are fixed through the bolt, the equal fixed mounting in both sides of box body 1 has mounting panel 4, two fixed orificess that the symmetry set up are all seted up to one side of two mounting panels 4, one side fixed mounting of lid 2 has digital display screen 3, and

digital display screen

3 and 5 electric connection of PLC control panel.

The utility model discloses in, for the convenience carry out real time monitoring to outside temperature, seted up on the top inner wall of box body 1 and detected mouth 6, and fixed mounting has temperature sensor 7,

temperature sensor

7 and 5 electric connection of PLC control panel on one side inner wall that detects mouth 6.

The utility model discloses in, for the automatic longitudinal movement who realizes hard magnet 18, can be with strong real-time, fixed mounting has two bases 14 that the symmetry set up on the bottom inner wall of box body 1, spout 15 has all been seted up at two bases 14's top, the equal slidable mounting in inside of two spout 15 has stand 16, the top of two stand 16 extends to two bases 14's top respectively, and the top of two stand 16 all with hard magnet 18's bottom fixed mounting, the equal fixed mounting in top of two bases 14 has reset spring 17, two reset spring 17 are respectively around establishing in two stand 16's the outside, and two reset spring 17's top respectively with two stand 16's outside fixed mounting.

The utility model discloses in, in order to improve the stability when stationary contact 13 and movable contact 21 contact, two draw-in grooves 11 that the symmetry set up are seted up to the bottom of temperature sensing soft magnet 10, and the top fixed mounting of hard magnet 18 has two fixture blocks 20 that the symmetry set up, and two fixture blocks 20 and two draw-in grooves 11 can break away from the activity and clamp.

In the utility model, the heat generated by the temperature rise of the main part of the product is transferred to the temperature-sensing soft magnet 10 through the heat conducting sheet 9, when the main part of the product starts to heat, the temperature of the temperature-sensing soft magnet 10 is lower than the Curie temperature, the temperature-sensing soft magnet 10 has magnetism, the magnetic attraction between the temperature-sensing soft magnet 10 and the hard magnet 18 occurs, the magnetic force between the temperature-sensing soft magnet 10 and the hard magnet 18 acts on the hard magnet 18 to move upwards, and then drives the two columns 16 to move upwards, the two reset springs 17 deform under stress, the two movable contacts 21 contact with the two stationary contacts 13, and then the control circuit 12 is switched on, when the temperature of the temperature-sensing soft magnet 10 gradually rises to be higher than the Curie temperature, the magnetism of the temperature-sensing soft magnet 10 disappears, the restoring force of the reset springs 17 acts on the hard magnet 18 to keep away from the temperature-sensing soft magnet 10, the movable contacts 21 separate from the stationary, the control circuit 12 can be switched on and off only by the movable contact spring 19 without using an action push rod, the structure is simpler, the production cost is low, and the service life of the magnetic-sensing temperature controller is prolonged.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A magnetic-sensing temperature controller comprises a box body (1) with an opening arranged on one side, and is characterized in that a PLC control panel (5) and a storage battery (8) are fixedly installed on the inner walls of two sides of the box body (1) respectively, the inner walls of two sides of the box body (1) are fixedly installed with a same heat conducting sheet (9), the bottom of the heat conducting sheet (9) is fixedly installed with a temperature-sensing soft magnet (10), two sides of the temperature-sensing soft magnet (10) are fixedly installed with the inner walls of two sides of the box body (1) respectively, a control circuit (12) is fixedly installed on the inner wall of the bottom of the box body (1), the bottom of the control circuit (12) and two stationary contacts (13) which are symmetrically arranged are fixedly installed on the bottom of the control circuit (12) and the bottom of the temperature-sensing soft magnet (10), a hard magnet (18) is slidably installed on the, the hard magnet (18) is positioned under the temperature sensing soft magnet (10), the outer side of the hard magnet (18) is fixedly sleeved with a movable contact spring (19), movable contacts (21) are fixedly arranged on two sides of the movable contact spring (19), the two movable contacts (21) are respectively positioned under the two fixed contacts (13), and the movable contact spring (19) is electrically connected with the storage battery (8).

2. The magnetic-sensing temperature controller according to claim 1, wherein a box cover (2) is fixedly installed on one side of the box body (1), the box cover (2) completely covers the opening of the box body (1), the box cover (2) and the box body (1) are fixed through bolts, mounting plates (4) are fixedly installed on both sides of the box body (1), two fixing holes are symmetrically formed in one side of each of the two mounting plates (4), a digital display screen (3) is fixedly installed on one side of the box cover (2), and the digital display screen (3) is electrically connected with the PLC control board (5).

3. The magnetic-sensing temperature controller according to claim 1, wherein a detection port (6) is opened on the top inner wall of the box body (1), a temperature sensor (7) is fixedly installed on one side inner wall of the detection port (6), and the temperature sensor (7) is electrically connected with the PLC control board (5).

4. The magnetic-sensing temperature controller according to claim 1, wherein two bases (14) are symmetrically arranged and fixedly mounted on the inner wall of the bottom of the box body (1), sliding grooves (15) are formed in the tops of the two bases (14), upright columns (16) are slidably mounted in the two sliding grooves (15), the tops of the two upright columns (16) extend to the positions above the two bases (14), the tops of the two upright columns (16) are fixedly mounted with the bottom of the hard magnet (18), return springs (17) are fixedly mounted on the tops of the two bases (14), the two return springs (17) are respectively wound on the outer sides of the two upright columns (16), and the tops of the two return springs (17) are fixedly mounted with the outer sides of the two upright columns (16).

5. The magnetically sensitive temperature controller according to claim 1, wherein the bottom of the temperature sensitive soft magnet (10) is provided with two symmetrically arranged slots (11), the top of the hard magnet (18) is fixedly provided with two symmetrically arranged blocks (20), and the two blocks (20) and the two slots (11) can be detachably clamped.