CN214378222U

CN214378222U - Temperature controller thermistor integrated structure

Info

Publication number: CN214378222U
Application number: CN202120520027.9U
Authority: CN
Inventors: 雷克和; 颜天宝
Original assignee: Chuandong Magnetic Electronic Co Ltd
Current assignee: Chuandong Magnetic Electronic Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-10-08
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses a temperature controller thermistor integrated configuration, including the heat conduction lid that has the installation cavity, the bottom fixed mounting of heat conduction lid has the insulating block, the fixed mounting groove of having seted up in top of insulating block, fixed mounting has the riveting subassembly in the mounting groove, the draw-in groove has been seted up at the top of insulating block, the inside fixed mounting of draw-in groove has the thermistor body, the both sides of thermistor body are equipped with the pin, the bottom of insulating block and the position fixed mounting that is located the mounting groove bottom have temperature controller binding post. This temperature controller thermistor body integrated configuration, the equipment is convenient, and the monomer can realize automated production, and the back of assembling automatically, it is fixed to insert the electrode L utmost point, the N utmost point with temperature controller wire assembly, and the electrode that resistance wire assembly inserted the thermistor body is fixed, and the spring of packing into at last can accomplish the butt joint, has improved production efficiency, can use on electric rice cooker or heating utensil, and it uses to do temperature detection and temperature control.

Description

Temperature controller thermistor integrated structure

Technical Field

The utility model relates to a temperature control sensor field, in particular to temperature controller thermistor integrated configuration.

Background

At present, in the household electrical industry, a central switch sensor structure of part of electric rice cookers adopts a temperature controller and a thermistor as temperature control and temperature detection, and has the functions that the temperature controller is used as an overtemperature protection element, the thermistor outputs an electric signal, the electric signal is output to an electric control board, and the electric control board realizes temperature control, function selection and the like.

The central switch temperature control sensor of some electric rice cookers on the market, during the equipment, with an inside callipers, earlier fixed with the temperature controller, again with thermistor equipment, at last fixed with the heat conduction lid, the terminal of temperature controller is inserted to the wire, thermistor is connected with the wire earlier, during production, assembly efficiency is low, the assembly difficulty, and technology is complicated, makes the heat conduction lid of temperature controller warp easily, the defective rate is high, the unstable quality, the reliability is poor.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a temperature controller thermistor integrated configuration to solve the problem of mentioning in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a temperature controller thermistor integrated configuration, is including the heat conduction lid that has the installation cavity, the bottom fixed mounting of heat conduction lid has the insulating block, the top fixed mounting groove of having seted up of insulating block, fixed mounting has the riveting subassembly in the mounting groove, the draw-in groove has been seted up at the top of insulating block, the inside fixed mounting of draw-in groove has the thermistor body, the both sides of hot thermistor body are equipped with the pin, the bottom of insulating block and the fixed position that is located the mounting groove bottom have temperature controller binding post, the bottom of insulating block and the fixed position that is located the draw-in groove bottom have temperature controller wire assembly, temperature controller binding post's bottom is pegged graft and is had resistance wire assembly.

Through adopting above-mentioned technical scheme, insert the temperature controller wire assembly the electrode L utmost point of temperature controller binding post, the N utmost point is fixed, insert the temperature sensing binding post electrode of thermistor body with the resistance wire assembly fixed, the spring packs into at last, in operation, because the temperature that the bimetallic strip of temperature controller set up is higher than operating temperature, keep the closed circuit always, the characteristic of thermistor body is along with the rising of temperature and the principle of resistance value step-down, output electrical control signal, make electric rice cooker or heating apparatus normally work, when taking place high temperature or temperature anomaly, temperature controller open circuit, the protection circuit.

Preferably, a silica gel pad is placed inside the clamping groove, and the thermistor body is placed on the silica gel pad.

Through adopting above-mentioned technical scheme, the silica gel pad body has elasticity and insulating nature, can play the pad to protect the effect to the thermistor body.

Preferably, the outer wall of the pin is sleeved with an insulating sleeve, and the pin is riveted on the thermosensitive wiring terminal through a rivet.

Through adopting above-mentioned technical scheme, utilize insulation support can cushion the pin and protect, the rivet is connected with temperature sensing wiring terminal, and temperature sensing wiring terminal tightly pushes down the pin of thermistor body, ensures to have the electric capacity of connecting.

Preferably, the riveting component comprises a movable contact piece and a static contact piece, the movable contact piece and the static contact piece are both arranged in the mounting groove, and the movable contact piece and the static contact piece are both riveted on the positive electrode and the negative electrode of the temperature controller terminal through rivets.

Through adopting above-mentioned technical scheme, through rivet with movable contact, static contact temperature controller terminal connection.

Preferably, the bottom fixed mounting of insulating block has the spring, the leading truck has been placed in the mounting groove, the jack has been seted up at the top of leading truck, it has the action bars to peg graft in the jack, the bimetallic strip has been placed at the top of leading truck.

By adopting the technical scheme, the temperature of the bimetallic strip is higher than the working temperature, and the circuit is always kept on.

Preferably, the controller wire assembly comprises two first connecting wires, two ends of each first connecting wire are fixedly connected with first inner plugs, and the first inner plugs are connected with the temperature controller wiring terminals in an inserting manner.

Through adopting above-mentioned technical scheme, carry out the plug-in connection to temperature controller binding post by the first interior plug of two first connecting wires.

Preferably, the resistance wire assembly comprises a buckle plug, wherein both sides of the end of the buckle plug are fixedly connected with second connecting wires, the end of the second connecting wire is fixedly connected with a second plug-in plug, and the second plug-in plug is electrically connected with the thermosensitive wiring terminal.

Through adopting above-mentioned technical scheme, by the buckle plug that one end has the buckle, the other end has second plug-in's second connecting wire and temperature sensing binding post electric connection.

To sum up, the utility model discloses mainly have following beneficial effect:

first, this temperature controller thermistor integrated configuration, the equipment is convenient, and the monomer can realize automated production, and the back of assembling automatically, it is fixed to insert the L utmost point of electrode, the N utmost point with temperature controller wire assembly, and the electrode that resistance wire assembly inserted the thermistor body is fixed, packs into the spring at last, can accomplish the butt joint, has improved production efficiency, can use on electric rice cooker or heating utensil, and temperature-detecting and temperature control usefulness are used.

Secondly, assemble temperature controller and thermistor body integration in an insulating block, accomplish a complete product, the pin on thermistor body both sides respectively penetrates a little insulation support, and the thermistor body need not be connected with the wire, directly is connected fixedly with temperature sensing terminal, and fixed back, temperature sensing terminal sticiss the pin of thermistor body, and the pin is below temperature sensing terminal to do not expose the surface, has guaranteed that the contact is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded view of the heat conducting cover of the present invention;

FIG. 3 is a top view of the heat conducting cover of the present invention;

fig. 4 is a schematic diagram of the structure of the wire assembly of the temperature controller of the present invention.

Reference numerals: 1. a heat conducting cover; 2. an insulating block; 3. mounting grooves; 4. riveting the assembly; 401. a movable contact spring; 402. a static contact piece; 5. a card slot; 6. a thermistor body; 7. a pin; 8. a temperature controller wiring terminal; 9. a thermosensitive connecting terminal; 10. a temperature controller lead assembly; 1001. a first connecting line; 1002. a first interposer plug; 11. a resistance wire assembly; 1101. a plug is buckled; 1102. a second connecting line; 1103. a second interposer plug; 12. a silica gel pad; 13. an insulating sleeve; 14. a spring; 15. a guide frame; 16. a jack; 17. an action lever; 18. a bimetal strip.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 4, a thermistor integrated structure of a thermostat, includes a heat conductive cover 1 with a mounting cavity, an insulating block 2 is fixedly arranged at the bottom of the heat conducting cover 1, an installation groove 3 is fixedly arranged at the top of the insulating block 2, a riveting component 4 is fixedly arranged in the mounting groove 3, a clamping groove 5 is arranged at the top of the insulating block 2, a thermistor body 6 is fixedly arranged in the clamping groove 5, pins 7 are arranged on two sides of the thermistor body 6, a temperature controller wiring terminal 8 is fixedly arranged at the bottom of the insulating block 2 and at the bottom of the mounting groove 3, a thermosensitive wiring terminal 9 is fixedly arranged at the bottom of the insulating block 2 and at the bottom of the clamping groove 5, the bottom of the temperature controller wiring terminal 8 is inserted with a temperature controller wire assembly 10, and the bottom of the thermal-sensitive wiring terminal 9 is inserted with a resistance wire assembly 11.

Referring to fig. 2, for the purpose of fixing the resistance; a silica gel pad 12 is arranged in the clamping groove 5, and the thermistor body 6 is arranged on the silica gel pad 12; the silicone pad 12 has elasticity and insulation, and can protect the thermistor body 6.

Referring to fig. 2, for wire fixing purposes; the outer wall of the pin 7 is sleeved with an insulating sleeve 13, and the pin 7 is riveted on the thermosensitive wiring terminal 9 through a rivet; the pins 7 can be protected by the insulating sleeves 13, the rivets are connected with the thermosensitive connecting terminals 9, and the thermosensitive connecting terminals 9 press the pins 7 of the thermistor body 6 to ensure the power connection capability.

Referring to fig. 2, for electrical fixation purposes; the riveting component 4 comprises a movable contact piece 401 and a static contact piece 402, the movable contact piece 401 and the static contact piece 402 are both arranged in the mounting groove 3, and the movable contact piece 401 and the static contact piece 402 are both riveted on the positive electrode and the negative electrode of the temperature controller terminal through rivets respectively; the temperature controller terminals of the movable contact piece 401 and the static contact piece 402 are connected through rivets.

Referring to fig. 2, for installation purposes; a spring 14 is fixedly installed at the bottom of the insulating block 2, a guide frame 15 is placed in the installation groove 3, a jack 16 is formed in the top of the guide frame 15, an action rod 17 is inserted in the jack 16, and a bimetallic strip 18 is placed at the top of the guide frame 15; the bimetal 18 is set at a temperature higher than the operating temperature and remains in the closed circuit at all times.

Referring to fig. 4, for the purpose of connection; the wire assembly of the controller comprises two first connecting wires 1001, two ends of each first connecting wire 1001 are fixedly connected with first inner plugs 1002, and the first inner plugs 1002 are inserted into the connecting terminals 8 of the temperature controller; the temperature controller connecting terminal 8 is inserted and connected by the first inner plug 1002 of the two first connecting wires 1001.

Referring to fig. 4, for connection purposes; the resistance wire assembly 11 comprises a snap plug 1101, wherein both sides of the end part of the snap plug 1101 are fixedly connected with a second connecting wire 1102, the end part of the second connecting wire 1102 is fixedly connected with a second inner plug 1103, and the second inner plug 1103 is electrically connected with the thermal connecting terminal 9; the thermal terminal 9 is electrically connected to a second connecting wire 1102 having a snap plug 1101 at one end and a second interposer 1103 at the other end.

The use principle and the advantages are as follows: in the insulator, the rivet is connected with the movable contact piece 401, the static contact piece 402 and the temperature controller connecting terminal 8, then the silica gel pad 12 is placed in the groove of the thermistor body 6, two sides of the pin 7 of the thermistor body 6 are respectively penetrated with a small insulating sleeve 13, at this time, the pin 7 of the thermistor body 6 is penetrated into two small holes, then the pin is bent and connected with the thermistor connecting terminal 9 by the rivet, and the thermistor connecting terminal 9 tightly presses the pin 7 of the thermistor body 6, thus ensuring the power connection capability; the guide frame 15 is placed, the action rod 17 penetrates through a hole in the middle of the guide frame 15, the bimetallic strip 18 is placed in a groove of the guide frame 15, finally the heat conducting cover 1 and the insulating block 2 are fixed, the temperature controller wire assembly 10 is inserted into the electrode L pole and the electrode N pole to be fixed, the resistance wire assembly 11 is inserted into the electrode of the thermistor body 6 to be fixed, and finally the spring 14 is installed. When the temperature-controlled electric cooker or heating appliance works, the temperature of the bimetallic strip 18 of the temperature controller is higher than the working temperature, the circuit is always kept connected, and the thermistor body 6 outputs an electric control signal according to the principle that the resistance value becomes lower along with the rise of the temperature, so that the electric cooker or heating appliance works normally. When high temperature or abnormal temperature occurs, the temperature controller disconnects the circuit to protect the circuit.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a temperature controller thermistor integrated configuration, is including the heat conduction lid that has the installation cavity, its characterized in that: the bottom fixed mounting of heat conduction lid has the insulating block, the mounting groove has been seted up to the top fixed mounting of insulating block, fixed mounting has the riveting subassembly in the mounting groove, the draw-in groove has been seted up at the top of insulating block, the inside fixed mounting of draw-in groove has the thermistor body, the both sides of thermistor body are equipped with the pin, the bottom of insulating block and the position fixed mounting that is located the mounting groove bottom have temperature controller binding post, the bottom of insulating block and the position fixed mounting that is located the draw-in groove bottom have temperature controller wire assembly, temperature controller binding post's bottom is pegged graft and is had resistance wire assembly.

2. The temperature controller thermistor integrated structure of claim 1, characterized in that: the silicon rubber pad is placed in the clamping groove, and the thermistor body is placed on the silicon rubber pad.

3. The temperature controller thermistor integrated structure of claim 1, characterized in that: the outer wall of the pin is sleeved with an insulating sleeve, and the pin is riveted on the thermosensitive wiring terminal through a rivet.

4. The temperature controller thermistor integrated structure of claim 1, characterized in that: the riveting component comprises a movable contact piece and a static contact piece, wherein the movable contact piece and the static contact piece are both arranged in the mounting groove, and the movable contact piece and the static contact piece are respectively riveted on the positive electrode and the negative electrode of the temperature controller terminal through rivets.

5. The temperature controller thermistor integrated structure of claim 1, characterized in that: the bottom fixed mounting of insulating block has the spring, the leading truck has been placed in the mounting groove, the jack has been seted up at the top of leading truck, it has the action bars to peg graft in the jack, bimetallic strip has been placed at the top of leading truck.

6. The temperature controller thermistor integrated structure of claim 1, characterized in that: the temperature controller wire assembly comprises two first connecting wires, wherein first inner inserting plugs are fixedly connected to two ends of each first connecting wire, and the first inner inserting plugs are connected with the temperature controller wiring terminals in an inserting mode.

7. The temperature controller thermistor integrated structure of claim 1, characterized in that: the resistance wire assembly comprises a buckle plug, wherein second connecting wires are fixedly connected to two sides of the end portion of the buckle plug, second inserting plugs are fixedly connected to the end portions of the second connecting wires, and the second inserting plugs are connected with the thermosensitive wiring terminals in an inserting mode.