CN1255706C - Improved temp control equipment and safe electric connector of electric water heaters and electrolthemal kettles - Google Patents
Improved temp control equipment and safe electric connector of electric water heaters and electrolthemal kettles Download PDFInfo
- Publication number
- CN1255706C CN1255706C CN 03115341 CN03115341A CN1255706C CN 1255706 C CN1255706 C CN 1255706C CN 03115341 CN03115341 CN 03115341 CN 03115341 A CN03115341 A CN 03115341A CN 1255706 C CN1255706 C CN 1255706C
- Authority
- CN
- China
- Prior art keywords
- container
- temperature control
- control device
- electric
- electric water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Cookers (AREA)
Abstract
The present invention relates to a temperature control device used on an electric water heating appliance, an electric connector and an electric water heating appliances without electric wires. The temperature control device comprises a steam temperature controller and a switch type magnetism keeping relay, wherein the magnetism keeping relay is composed of a movable contact component, a static contact component and a magnetic circuit component formed by a coil, an iron core and a permanent magnet embedded in an inner core of the iron core. A safe electric connector comprises a male plug and a female socket, wherein a shaft center of the male plug is provided with a grounding contact, different diameter positions of the same mandrel are respectively provided with energized annular contacts, and the annular contacts and the grounding contacts are connected with the temperature control device and a heater. The female socket comprises a base, a cover plate and a spring, the cover plate is opposite to the shaft center of the male plug, and the annular contacts are provided with three jacks; an electric heating kettle comprises a container, a unit base, a heat arranged on the container, the temperature control device, the male plug and the female socket which are matched and inserted with each other and arranged on the container and the unit base, and the switch keys of the temperature control device are arranged on a handle of the container. The temperature control device has the advantages of convenient operation, safe use, sensitive temperature control, low cost, etc. without dripping water.
Description
Technical field
The present invention relates to the temperature control equipment used on a kind of electric water heater.
Background technology
At present, be used to control the temperature control element of water heating, its structure includes body, movable contact spring, electrical connector, temperature-sensitive bimetallic strip, push rod.During use, the temperature-sensitive bimetallic strip posts on heating face or container bottom.After the water in the container was dryouied, because push rod is clamped between temperature-sensitive bimetallic strip and the movable contact spring, the temperature-sensitive bimetallic strip was heated and sticks up change movable contact spring is backed down, and it is separated with electrical connector, and cutting off the electricity supply stops heating, reaches the purpose of temperature control.Its shortcoming be the temperature-sensitive bimetallic strip under temperature reduction situation, can be voluntarily restoring action, make electric heater heating power again.For this reason, it is 02114729.9 that State Intellectual Property Office disclosed the patent No. on September 11st, 2002, and name is called the technology contents of " temperature controller, electric connector and electric water heater ".It is provided with a control gear on the temperature-sensitive bimetallic strip, make its cooling after can not automatically reset, have only under the manual case to reset, thereby solved the problems referred to above preferably.But complex structure, assemble loaded down with trivial details, the cost height.For the steam temperature control element that is applied on the hot-water bottle, because steam temperature-sensitive bimetallic strip is contained on the sidewall of container bottom, steam is introduced temperature susceptibility contact terminal by conduction pipe, causes seepage easily, and dangerous; If container cover covers not in place, water vapor just can not in time import on the temperature susceptibility contact terminal, influences the sensitivity of temperature-sensitive, and temperature controller lost efficacy when serious.
Electric kettle is installed above-mentioned temperature control element, the disadvantage that exists is the bottom that the steam temperature controller of control heater disconnection often is contained in container, if container covers not tight, or does not cover, make the steam seepage, steam can not in time be transported on the temperature controller, influenced the serviceability of temperature controller, even the boiling of the water in the container, temperature controller also can't cut off heater block, therefore, work is unreliable; And container bottom contains the water that steam forms, the use inconvenience.
Summary of the invention
The object of the present invention is to provide use on a kind of electric heating appliance simple in structure, highly sensitive attemperating unit.
In order to realize above-mentioned purpose of the present invention, this attemperating unit is such: it comprises the steam temperature controller that is made of touch switch and thermosensitive bimetal that is connected with electrical connector, the steam temperature controller is contained on the vessel port inwall, also be provided with the switching regulator magnetic latching relay between steam temperature controller and electrical connector, the coil in this magnetic latching relay is connected with the touch switch of often opening; Described magnetic latching relay comprises: movable contact assembly, stationary contact assembly and magnetic circuit assembly; The movable contact assembly mainly contains suction disc, moving contact and extension spring; The stationary contact assembly contains stationary contact and metal insert; The magnetic circuit assembly comprises coil, iron core and is embedded in the permanent magnet of iron core inner core.
A rectangular driving lever is extended in the suction disc upper end, and dead man is provided with shift knob.
Because attemperating unit has increased the switching regulator magnetic latching relay among the present invention, inner core at iron core is embedded with permanent magnet, therefore, when needing work, the Push switch button makes suction disc break away from the suction scope of permanent magnet, iron core and permanent magnet discharge suction disc, suction disc remains closed normally opened contact under the extension spring effect, and circuit is connected, electrothermal tube energising beginning heating.Temperature in container rises, and when reaching boiling point, the steam in the container flicks thermosensitive bimetal, make the closed conducting of touch switch, at this moment, coil J energising produces magnetic field in the magnetic latching relay, add original permanent magnetic field, greater than pulling force, suction disc is by adhesive to the suction of suction disc, and normally opened contact disconnects, electric heater is cut off the electricity supply, and stops heating.After this, even bimetallic strip restores, touch switch disconnects, because suction disc is under the magnetic attraction effect of permanent magnet, stationary contact remains off-state.
Owing on the container shift knob that is connected with magnetic latching relay is housed, thereby presses shift knob, can make the closed conducting of moving contact and stationary contact, start working, realize manually connecting; When end-of-job, also directly hand-reset makes more convenient to operate.
Said structure compared with prior art has simple in structurely, and cost is low, advantage such as easy to operate, and when being installed on the electric kettle, can avoid water vapor to import many drawbacks that container bottom causes, guaranteed sensitivity, the safety of attemperating unit, characteristics such as do not drip.
Description of drawings
Fig. 1 is at electric kettle and the assembling structural representation of attemperating unit thereon among the present invention.
Fig. 2 is the wiring diagram of Fig. 1.
Fig. 3 is the structural representation of magnetic latching relay.
Embodiment
Referring to Fig. 1, electric kettle comprises container 15, and pedestal 16 is contained in well heater and the attemperating unit on the container 15 and is contained in the safety electric connector that the supporting convex plug A that patches and cloudy socket B constitute on container 15, the unit base 16.
Attemperating unit comprises: be contained in the steam temperature controller 18 that is connected with electrical connector on 15 mouthfuls of inwalls of container, be serially connected in the magnetic latching relay 20 between steam temperature controller 18 and the electrical connector.Steam temperature controller 18 is made up of touch switch 18-1 that often opens and thermosensitive bimetal 18-2.Magnetic latching relay is made up of movable contact assembly 20-2, stationary contact assembly and magnetic circuit assembly 20-1; Movable contact assembly 20-2 comprises suction disc 19, moving contact 20-2b and extension spring 20-2a, the handle 17 that one end of suction disc 19 extends to container 15 forms rectangular dead man 19-1, dead man 19-1 is equipped with out both sides button 22 respectively and closes button 21, drives button 22, closes handle 17 outsides and inboard that button 21 is separately fixed at container 15.Stir out button 22 or close button 21, can drive the clutch between the stationary contact 20-3a in moving contact 20-2b and the stationary contact assembly by the suction disc 19 among the movable contact assembly 20-2.The stationary contact assembly also is provided with two metal insert 20-3b except that being provided with stationary contact 20-3a, be used for circuit and connect.Magnetic circuit assembly 20-1 is made of coil J, iron core and the permanent magnet 20-1a that is embedded in the iron core inner core.Wherein coil J connects with the touch switch 18-1 that often opens in the steam temperature controller 18.The size of the extension spring 20-2a coefficient of stiffiness and permanent magnet 20-1a is complementary, with guarantee suction disc 19 in permanent magnet 20-1a short range by adhesive, see Fig. 1, Fig. 2, Fig. 3.
Its principle of work is as follows: after pressing out button 22, it is logical that moving contact 20-2b in the relay and stationary contact 20-3a touch splice grafting, electrothermal tube is started working, by the time after the water of the container boiling, heat steam flicks thermosensitive bimetal 18-2, and the top is closed touch switch 18-1 and is touched and close, K switch 1 conducting makes relay coil J two ends power connection, and coil J and iron core produce magnetic attraction, and it is synthetic with the magnetic attraction on the permanent magnet, overcome the effect of extension spring 20-2a pulling force, to permanent magnet 20-1a, moving contact 20-2b and stationary contact 20-3a are disconnected suction disc 19 adhesives, circuitry cuts, electric heater stop heating.Under the situation of not pressing shift knob 21,22, can keep this attracting state for a long time.In the time of if desired, also can press and close button 21, directly hand-reset.
The present invention can also be on K switch 1 and is connected with thermoswitch K2 in the temperature-sensitive temperature control element, is contained in heater base and makes anti-dry with (not drawing among the figure), and its principle of work is the same.
Claims (3)
1, a kind of improved electric water heater attemperating unit, it comprises the steam temperature controller (18) by touch switch (18-1) and thermosensitive bimetal (18-2) formation that is connected with electrical connector, it is characterized in that: steam temperature controller (18) is contained on container (15) mouthful inwall, also be provided with switching regulator magnetic latching relay (20) between steam temperature controller (18) and electrical connector, the coil (J) in this magnetic latching relay (20) is connected with the touch switch of often opening (18-1); Described magnetic latching relay (20) comprising: movable contact assembly (20-2), stationary contact assembly and magnetic circuit assembly (20-1); Movable contact assembly (20-2) mainly contains suction disc (19), moving contact (20-2b) and extension spring (20-2a); The stationary contact assembly contains stationary contact (20-3a) and metal insert (20-3b); Magnetic circuit assembly (20-1) comprises coil (J), iron core and is embedded in the permanent magnet (20-1a) of iron core inner core.
2, according to the described electric water heater attemperating unit of claim 1, it is characterized in that: described suction disc (19) upper end is extended with rectangular dead man (19-1), and dead man (19-1) is provided with shift knob (22,21).
3, according to the described electric water heater attemperating unit of claim 2, it is characterized in that: described shift knob (22,21) is divided into out button (22) and closes button (21), and drives button (22) and close the outside and the inboard that button (21) is contained in container (15) handle (17) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03115341 CN1255706C (en) | 2003-02-08 | 2003-02-08 | Improved temp control equipment and safe electric connector of electric water heaters and electrolthemal kettles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03115341 CN1255706C (en) | 2003-02-08 | 2003-02-08 | Improved temp control equipment and safe electric connector of electric water heaters and electrolthemal kettles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1447078A CN1447078A (en) | 2003-10-08 |
| CN1255706C true CN1255706C (en) | 2006-05-10 |
Family
ID=28050427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03115341 Expired - Fee Related CN1255706C (en) | 2003-02-08 | 2003-02-08 | Improved temp control equipment and safe electric connector of electric water heaters and electrolthemal kettles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1255706C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101803864B (en) * | 2010-02-12 | 2011-08-03 | 廖仲文 | Safe and controllable temperature control device of electric heating kettle |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103284615B (en) * | 2012-03-02 | 2015-09-09 | 余俊忠 | A kind of power supply base of Split type electric kettle |
| DE102014115788A1 (en) * | 2014-10-30 | 2016-05-04 | Vorwerk & Co. Interholding Gmbh | Food processor with positioning device |
| CN107773051B (en) * | 2017-11-23 | 2023-10-27 | 珠海格力电器股份有限公司 | Power supply base of electric heating equipment and electric kettle |
| CN107946832A (en) * | 2017-12-20 | 2018-04-20 | 佛山市高明欧电子制造有限公司 | A kind of coupler with magnetic plug with magnetic temperature controller |
-
2003
- 2003-02-08 CN CN 03115341 patent/CN1255706C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101803864B (en) * | 2010-02-12 | 2011-08-03 | 廖仲文 | Safe and controllable temperature control device of electric heating kettle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1447078A (en) | 2003-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU785468B2 (en) | Combined control/connector for cordless electrical appliances | |
| EP0126777A1 (en) | Domestic electric product | |
| CN1255706C (en) | Improved temp control equipment and safe electric connector of electric water heaters and electrolthemal kettles | |
| GB2384117A (en) | Thermal control | |
| CN100520661C (en) | Improvements relating to thermal controls | |
| EP0528656A1 (en) | Liquid heating vessels | |
| CN2789819Y (en) | Switch type kick thermoregulator | |
| CN201929709U (en) | Electric pressure cooker capable of safely opening and closing cover | |
| CN201341795Y (en) | Electric cooker and control circuit thereof | |
| CN2620220Y (en) | Temp controller for improved electrothermic water container | |
| CN1545966A (en) | Temperature controlled switch, electric water-heating pot and cordless electric water-heating pot | |
| WO2001056437A3 (en) | Controls for electric liquid heating vessels | |
| GB2251986A (en) | Switched electrical contacts for cordless appliances | |
| CN212673527U (en) | Control device for a liquid heating appliance, liquid heater device and liquid heating appliance | |
| CN204651245U (en) | With the thermostat of two ore control | |
| CN113130255A (en) | Automatic reset temperature control and manual reset temperature limit type kick temperature controller | |
| EP1702249B1 (en) | Improvements relating to thermal controls | |
| CN214672389U (en) | Automatic reset temperature control and manual reset temperature limit type kick temperature controller | |
| CN1298086C (en) | Temperature controlled electric connector plug and electrothermal drink boiling container | |
| CN100416733C (en) | Thermostatic switch and electric water bottle | |
| CN217723291U (en) | Coupler and frying and roasting device thereof | |
| CN210871069U (en) | Combined temperature control switch applied to electric kettle | |
| CN204467795U (en) | Electric heating water boiling device | |
| CN207136730U (en) | Split type electric rice cooker | |
| CN2748003Y (en) | Electric water pot thermoregulator for preventing water dry-cooking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060510 Termination date: 20180208 |