CN207302976U

CN207302976U - A kind of improved temperature controller

Info

Publication number: CN207302976U
Application number: CN201721238531.XU
Authority: CN
Inventors: 严由意
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-26
Filing date: 2017-09-26
Publication date: 2018-05-01
Anticipated expiration: 2027-09-26

Abstract

It the utility model is related to a kind of improved electrical heating temperature controller, it is characterised in that：First thermosensitive bimetal uses automatically reset bimetal leaf, and the second thermosensitive bimetal uses the bimetal leaf of hand-reset, linkage corresponding with the second thermosensitive bimetal of hand-reset is the second electroconductive elastic sheet, on pedestal, hand-reset jack is provided with the second electroconductive elastic sheet of face, when needing to reset, inserted link can be inserted into the hand-reset jack, external force promotes the second electroconductive elastic sheet reversing reset, the second thermosensitive bimetal reversing reset is promoted at the same time with the insulation push rod of the second electroconductive elastic sheet linkage, the contact of second electroconductive elastic sheet again with the contact on wire connection terminal, it is re-energised, such design, without being modified to the original kettle body constructional appearance of electric heating appliance, realize hand-reset, simplify overall connection installation, reduce cost, improve safety and reliability, meet the latest requirement of CCC certifications.

Description

A kind of improved temperature controller

Technical field

The technical field of electrical heating controller is the utility model is related to, particularly the temperature controller of improved temperature sensor.

Background technology

It is mechanical, electrical that temperature controller is widely used to electric kettle, health-promotion kettle, tea tray, boiling vessel, steam copper, electric cooker, bread The electric heating appliances such as oven.At present, the temperature controller of the prior art mainly senses heat radiation or heat transfer to realize by bimetal leaf Temperature control, it is excessive and burn electric heating appliance to avoid temperature.

According to electric appliances such as the latest requirement of the mandatory CCC certifications of national quality authentication center, insulating pot, tea tray, health-promotion kettles Must not dry combustion method repeatedly with temperature controller.And the temperature controller of traditional design all uses automatically reset bimetal leaf at present, electric heating appliance It can automatically reset in a short time after dry combustion method, in the case where failure does not obtain exclusion, temperature controller in a short time can be continuous Ground connection-disconnection-connection-disconnection, circulation, which is powered, to be powered off, and causes electric heating appliance dry combustion method repeatedly, this is not only to temperature controller and electricity The service life of hot utensil brings very big influence, while security incident also easily occurs, or even can lead to fire, so at present The above-mentioned automatically reset temperature controller of in the market circulation is intended to eliminate in a short time.Therefore, the prior art has much room for improvement and improves.

Utility model content

The purpose of the utility model is to overcome the shortcoming of above-mentioned prior art, proposes a kind of improved temperature controller, directly The coupler using temperature controller is connect, without being modified to the original kettle body constructional appearance of electric heating appliance, realizes hand-reset, letter Change overall connection installation, reduce cost, improve safety and reliability.

The purpose of this utility model is achieved by the following technical solution：A kind of improved temperature controller, includes pedestal, Loaded on the conducting ring in pedestal, loaded on the stent on pedestal, wire connection terminal, loaded on the first thermosensitive bimetal on stent and Two thermosensitive bimetals, loaded on pedestal respectively it is corresponding with the first thermosensitive bimetal and the second thermosensitive bimetal linkage it is exhausted Edge push rod, electroconductive elastic sheet group, the first thermosensitive bimetal, the second thermosensitive bimetal temperature sensor and when acting, pass through promotion Push rod insulate by the contact separation on the contact of electroconductive elastic sheet and L terminals, disconnecting circuit, it is characterised in that：The double gold of first temperature-sensitive Belong to piece and use automatically reset bimetal leaf, and the second thermosensitive bimetal uses the bimetal leaf of hand-reset, with answering manually What the second thermosensitive bimetal of position corresponded to linkage is the second electroconductive elastic sheet, and on pedestal, hand is provided with the second electroconductive elastic sheet of face Inserted link can be inserted into the hand-reset jack by the dynamic jack that resets, it is necessary to when resetting, and external force promotes the second electroconductive elastic sheet reversely multiple Position, the second thermosensitive bimetal reversing reset, the second electroconductive elastic sheet are promoted with the insulation push rod of the second electroconductive elastic sheet linkage at the same time Contact again with the contact on wire connection terminal, be re-energised.

Further, the hand-reset jack is opened on the end face on pedestal top, and two in pedestal are conductive Between ring.

First thermosensitive bimetal and the temperature of the second thermosensitive bimetal action are most preferably between 100-180 DEG C, but the The operating temperature that the operating temperature of two thermosensitive bimetals setting can be set with the first thermosensitive bimetal differ, both it Between have operating temperature poor, be to be respectively induced action after design temperature, be each turned off circuit.

Be vertically installed with the hand-reset jack can upper and lower displacement campaign inserted link.

The utility model has the advantages that：1st, when when electric appliance water shortage dry combustion method occurs for insulating pot, tea tray, health-promotion kettle, temperature controller On bimetal leaf can produce action cut-out circuit, and bimetal leaf is at normal temperatures（0-40℃）It will not automatically reset, be equal to At normal temperatures can permanent shut-down circuit and ensure it is safe to use, when confirm it is safe when, user can promote bimetallic manually Piece resets, and circuit is connected, and the electric appliance such as kettle, tea tray, health-promotion kettle can normal use；2nd, this is simple in structure, easy to use, Original kettle body constructional appearance need not make any change, cleverly borrowed the linkage structure of original temperature controller, avoided repeatedly The generation of dry combustion method problem；3rd, fuse, fuse can be substituted, once fusing, most of consumer will not for fuse, fuse Repair and replacement, otherwise whole electric appliance is scrapped, otherwise give after-sales service；Fuse is changed even if sending after-sales service also to tear pot dress pot open Or fuse, very troublesome, this technology can occur to avoid the above problem.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of the utility model.

Fig. 2 is the present invention looks up structural representation of the utility model.

Fig. 3 is that the second thermosensitive bimetal acts separated schematic diagram.

Fig. 4 is the schematic diagram that the second thermosensitive bimetal resets conducting.

Description of reference numerals：1- pedestal 2- stents the first thermosensitive bimetals of 3- 4- insulation push rods 5- second is conductive Shrapnel 5A- silver contact 6- wire connection terminals 7- the second thermosensitive bimetal 8- hand-reset jack 9- conducting rings.

Embodiment

Embodiment one, referring to Fig. 1 to Fig. 4, the temperature controller of the present embodiment mainly includes the pedestal 1 of insulation, loaded on pedestal 1 Interior conducting ring 9, loaded on the metallic support 2 on pedestal 1, wire connection terminal 6.Loaded on metallic support 2, the temperature-sensitive of temperature sensor it is double Sheet metal has two groups, be respectively can automatically reset first thermosensitive bimetal 3 and only hand-reset the double gold of the second temperature-sensitive Belong to piece 7, with the first thermosensitive bimetal 3 linkage be insulation push rod, the first electroconductive elastic sheet（Drawn in Fig. 1 but do not have mark Note）.With the second thermosensitive bimetal 7 linkage be insulation push rod 4, the second electroconductive elastic sheet 5.

First thermosensitive bimetal 3 is independently installed on metallic support 2, heat radiation or conduction for Induction Heating utensil Experience heat, the break-make of heater circuit is controlled by transfer bar mechanism, the first electroconductive elastic sheet.First electroconductive elastic sheet 5 connection heating electricity Road, the silver contact on the first shrapnel contact and conductive, 3 Induction Heating of the first thermosensitive bimetal with the silver contact on wire connection terminal The heat radiation of utensil and act, by promoting insulation push rod by the silver contact on the silver contact and wire connection terminal of the first electroconductive elastic sheet Separation, disconnecting circuit, the first thermosensitive bimetal can automatically reset when temperature drops to setting value, and circuit is again after reset It is powered, this belongs to existing routine techniques.

Second thermosensitive bimetal 7 is located at 2 side of metallic support, is installed on metallic support 2（Or it is fixed on insulation On pedestal 1）, and with being adjacently positioned in the first thermosensitive bimetal 3, the heat radiation of common Induction Heating utensil.

Second thermosensitive bimetal 7 is using the bimetal leaf of hand-reset, the second thermosensitive bimetal 7 with hand-reset Corresponding linkage is insulation push rod 4, the second electroconductive elastic sheet 5.Hand-reset is provided with pedestal 1, at the second electroconductive elastic sheet of face to insert Hole 8, hand-reset jack 8 are opened on the end face on 1 top of pedestal, and between two groups of conducting rings 9 in pedestal 1（Such as Fig. 2 It is shown）, it is inserted into easy to small inserted link.

The heat radiation of second thermosensitive bimetal, 7 Induction Heating utensil, reaches design temperature and acts, the double gold of the second temperature-sensitive Belong to piece 7 by promoting insulation push rod 4 to separate the silver contact 5A of the second electroconductive elastic sheet 5 with the silver contact on wire connection terminal 6, disconnect Circuit, due to being the bimetal leaf of hand-reset, under the effect of no external force, the second thermosensitive bimetal 7 is always maintained at open circuit State（As shown in Figure 3）, electric heating appliance open circuit power-off.

When needing to reset, by small inserted link insertion hand-reset jack 8, can be promoted from 1 bottom of pedestal by small inserted link Second electroconductive elastic sheet 5,5 reversing reset of the second electroconductive elastic sheet under external force promotion, the insulation push rod with the linkage of the second electroconductive elastic sheet 5 4 promote 7 reversing reset of the second thermosensitive bimetal at the same time, the silver contact 5A of the second electroconductive elastic sheet 7 again with wire connection terminal 6 Silver contact is contacted and kept, and circuit turn-on, electric heating appliance are re-energised（As shown in Figure 4）.

Embodiment two, on the basis of above-described embodiment, the first thermosensitive bimetal 3 and the second thermosensitive bimetal 7 are dynamic The temperature of work is most preferably between 100-180 DEG C, but the operating temperature and the first heat-sensitive duplex metal of the second thermosensitive bimetal 7 setting The operating temperature that piece 3 is set differs, and has operating temperature poor between the two, is to be respectively induced action after design temperature, respectively Disconnecting circuit.By setting the different operating temperatures of this two thermosensitive bimetal respectively, make its priority action take-off cut-out electric current Reach the dual fail-safe of anti-dry so that electric kettle stops heating, avoids that accident occurs.And operation is resetted for convenience, without facing When find inserted link, be vertically installed with hand-reset jack 8 can upper and lower displacement campaign small inserted link.

Second thermosensitive bimetal 7 can be designed with to the excessively electric of heater circuit in addition to having burning prevention function Flow through load and carry out response function.When electric kettle short circuit or excessive immediate current, it is double that high current flows through the second temperature-sensitive Sheet metal 7, the second thermosensitive bimetal 7 heat of self-heating moment accumulation at the same time, and act, electric current is cut off, circuit stops adding Heat, avoids other function elements in itself or in circuit because of the excessive damage heating utensil of electric current, or even avoids fire.Newly increase Performance is mainly the security incident for preventing overcurrent overload and triggering, and can substitute fuse or fuse that tradition uses.

Certainly, some preferable embodiments are only listed here, and other equivalent, similar constructions should all belong to this The protection category of patent, which is not described herein again.

Claims

1. a kind of improved temperature controller, includes pedestal, loaded on the conducting ring in pedestal, loaded on the stent on pedestal, terminals Son, loaded on the first thermosensitive bimetal and the second thermosensitive bimetal on stent, loaded on double with the first temperature-sensitive respectively on pedestal Sheet metal and the second thermosensitive bimetal correspond to the insulation push rod of linkage, electroconductive elastic sheet group, the first thermosensitive bimetal, the second heat Quick bimetal leaf temperature sensor and when acting, by promoting insulation push rod by the contact point on the contact of electroconductive elastic sheet and L terminals From disconnecting circuit, it is characterised in that：First thermosensitive bimetal uses automatically reset bimetal leaf, and the second temperature-sensitive is double golden Belong to the bimetal leaf that piece uses hand-reset, linkage corresponding with the second thermosensitive bimetal of hand-reset is the second conductive bullet Piece, on pedestal, is provided with hand-reset jack at the second electroconductive elastic sheet of face, it is necessary to when resetting, it is multiple manually that inserted link can be inserted into this In the jack of position, external force promotes the second electroconductive elastic sheet reversing reset, and the is promoted at the same time with the insulation push rod of the second electroconductive elastic sheet linkage Two thermosensitive bimetal reversing resets, the contact of the second electroconductive elastic sheet are re-energised again with the contact on wire connection terminal.

2. temperature controller according to claim 1, it is characterized in that, the hand-reset jack is opened in the end face on pedestal top On, and between two conducting rings in pedestal.

3. temperature controller according to claim 1 or 2, it is characterized in that, the first thermosensitive bimetal and the second heat-sensitive duplex metal The temperature of piece action is most preferably between 100-180 DEG C, but the operating temperature of the second thermosensitive bimetal setting can be with the first warm The operating temperature of quick bimetal leaf setting differs, and has operating temperature poor between the two, is moved after being respectively induced design temperature Make, be each turned off circuit.

4. temperature controller according to claim 1 or 2, it is characterized in that, be vertically installed with the hand-reset jack can on The inserted link of the next shifting movement.