CN100416733C - Thermostatic switch and electric water bottle - Google Patents
Thermostatic switch and electric water bottle Download PDFInfo
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- CN100416733C CN100416733C CNB2004100276747A CN200410027674A CN100416733C CN 100416733 C CN100416733 C CN 100416733C CN B2004100276747 A CNB2004100276747 A CN B2004100276747A CN 200410027674 A CN200410027674 A CN 200410027674A CN 100416733 C CN100416733 C CN 100416733C
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- temperature
- tds
- detect switch
- temperature detect
- bimetal leaf
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Abstract
The present invention belongs to the technical field of electric heating, which solves the problem that an electric heating kettle only has a single function of on-off control for an electric heater because a temperature controlled switch only has one on-off temperature controlled contact piece point. The temperature controlled switch has a main body 1, main electric connection ends 2, 3, a movable contact piece 4, and a fixed contact piece 5. A contact piece element 7, a second temperature sensing bimetallic sheet 8 and an auxiliary electric connection end 9 are arranged between a first temperature sensing bimetallic sheet 6 and the movable contact piece 4; one main electric connection end 3 and the auxiliary electric connection end 9 are respectively provided with an auxiliary fixed contact piece 17 and an auxiliary movable contact piece 10, and an auxiliary push rod 11 is arranged between the second sensing bimetallic sheet 8 and the auxiliary movable contact piece 10. A kettle body 19 of the electric heating kettle is provided with the temperature controlled switch 30 and an electric heating tube 21 which are connected in series in the power loop, a sound generator 22 and an auxiliary electric heating tube 29 are arranged between the electric connection end 9 and the main electric connection end of the auxiliary contact piece 17, and the first temperature sensing bimetallic sheet 6 and the second temperature sensing bimetallic sheet 8 are arranged on a steam passage 24 in the kettle body 19 or at the bottom of the kettle body.
Description
Technical field
The invention belongs to liquid electric-heating technology field, relate to temperature detect switch (TDS) and electric kettle.
Background technology
At application number is 031400809, title is stuck up in the Chinese patent file of arm steam thermostat, disclose a kind of have variable connector control stick up arm steam thermostat, comprise holder, but be arranged on the movable part of tilting on the holder, holder is provided with metal temperature-sensitive contact, be provided with reset spring part between movable part and the holder, on holder, be provided with the holder movable contact spring that fixed touching plate separates with fixed touching plate with being touched by the other end of movable part, the other end of described movable part is provided with the conductive contact that can touch the holder movable contact spring, movable part is provided with the contact movable contact spring that is communicated with conductive contact, holder is provided with can be by the contact movable contact spring with second fixed touching plate that touches in the movable part motion, sticks up at one to have formed a normally-closed contact and two normally opened contacts on the arm steam thermostat.The switching that this problem of sticking up the existence of arm steam thermostat is normally-closed contact and normally opened contact is by a metal temperature-sensitive contact, normally-closed contact is disconnected and the normally opened contact closure in the action of being heated of metal temperature-sensitive contact, after treating that the cooling of metal temperature-sensitive contact resets, two normally opened contacts still remain closed.Because the arm steam thermostat that sticks up of this structure mainly uses in electric kettle, wherein the disconnection of normally opened contact need by the user on movable part, apply again an active force can with.When being used for electric kettle, can cause water constantly to be produced and report to the police by boiled back, cause long-time the warning to become noise.
In Chinese patent literature, application number is 98813182.X, name is called the improvement of thermally-responsive actuators, and application number is 021147299, name is called thermostat, electric connector and electric water heater and application number is 021147302, and name is called in thermostat, electric connector and the electric water heater application for a patent for invention prospectus of improveing the security appliance structure has introduced a kind of thermostat.In British patent, the patent No. is 6B2213646,2221795,2212664, has also introduced a kind of thermostat equally, and these thermostats include electric connecting terminal, and movable contact spring that links to each other with electric connecting terminal and fixed touching plate drive the temperature-sensitive control device that movable contact spring moves.These thermostats are only used for controlling the break-make of electric heater, when electric kettle reaches design temperature when being used for electric kettle, when being dryouied by boiled or quilt as the water in the kettle body, the action of temperature-sensitive control device promotes movable contact spring it is separated with fixed touching plate, reaches the purpose of cutting off the electricity supply.After owing to cut off the electricity supply, the user can't learn the operating state of kettle this moment when leaving the electric kettle certain distance, after causing water by boiled certain hour easily the cooling or be heated again, and after water dryouied, cause continuing heating easily just in case thermostat is malfunctioning, produce fire.
Summary of the invention
It is a kind of after the action of temperature-sensitive bimetal leaf temperature-sensitive that first purpose of the present invention is to provide, the disconnection of the first temperature sensing device master electric connecting terminal, and auxiliary electrical connection end can be switched on, afterwards through automatic disconnection again after a while, the so continuous temperature detect switch (TDS) that repeats.
Second purpose of the present invention is to utilize above-mentioned temperature detect switch (TDS), provides a kind of liquid in container body to be cut off the power supply of electric heater after boiled, and can produce warning, can self-braking electric kettle and report to the police after cooling a period of time.
The 3rd purpose of the present invention is to utilize above-mentioned temperature detect switch (TDS), provides a kind of liquid in container body to be cut off the power supply of electric heater after dryouting, and can produce warning, can self-braking electric kettle and report to the police after cooling a period of time.
The 4th purpose of the present invention is to utilize above-mentioned temperature detect switch (TDS), provide a kind of liquid in container body to be cut off the power supply of main electric heater after boiled, and the power supply of connecting auxilliary electric heater is incubated, and when the electric kettle that can stop automatically after after a while being incubated.
The 5th purpose of the present invention is to utilize above-mentioned temperature detect switch (TDS), provide a kind of liquid in container body to be cut off the power supply of main electric heater after boiled, and the power supply of connecting auxilliary electric heater is incubated, and can produce insulation and report to the police, and when the electric kettle that can stop automatically after after a while being incubated and reporting to the police.
The 6th purpose of the present invention is to utilize above-mentioned temperature detect switch (TDS), provide a kind of liquid in container body by boiled or dryout after all can cut off the power supply of main electric heater, and the power supply of connecting auxilliary electric heater in boiled back is incubated, and when after after a while, stopping insulation automatically, when temperature detect switch (TDS) is malfunctioning, after the liquid in the container body is dryouied, can produce warning, and after cooling a period of time, reporting to the police can self-braking electric kettle.
The 7th purpose of the present invention is to utilize above-mentioned temperature detect switch (TDS), provide a kind of liquid in container body by boiled or dryout after all can cut off the power supply of main electric heater, and can produce warning, and when after after a while, stopping insulation automatically, when temperature detect switch (TDS) is malfunctioning, after the liquid in the container body is dryouied, can produce warning once more, and after cooling a period of time, reporting to the police can self-braking electric kettle.
For realizing first purpose of the present invention, described temperature detect switch (TDS) includes two main electric connecting terminals that are arranged on the body, link to each other with two main electric connecting terminals and suppress movable contact spring and the fixed touching plate that contacts, between the first temperature-sensitive bimetal leaf and movable contact spring, be provided with because of the first temperature-sensitive bimetal leaf is heated to stick up to become and drive movable contact spring and move the touch part that separates with fixed touching plate, on body, be provided with second temperature-sensitive bimetal leaf and the auxiliary electrical connection end, be respectively equipped with auxilliary fixed touching plate and the auxiliary movable touching plate that is separated from each other on a main electric connecting terminal and the described auxiliary electrical connection end therein, between the second temperature-sensitive bimetal leaf and auxiliary movable touching plate, be provided with auxilliary push rod, the second temperature-sensitive bimetal leaf is heated to stick up when becoming and can drives auxilliary push rod, and auxiliary movable touching plate is contacted with auxilliary fixed touching plate.
The present invention is owing to set up the second temperature-sensitive bimetal leaf and auxilliary push rod on the basis of existing technology, and before the use, movable contact spring contacts with fixed touching plate, becomes and the driving touch part when the first temperature-sensitive bimetal leaf is heated to stick up, and movable contact spring is separated with fixed touching plate.When the action of being heated of the second temperature-sensitive bimetal leaf, promote auxilliary push rod auxiliary movable touching plate move to auxilliary fixed touching plate direction, and contact with it, make auxiliary electrical connection end and one of them main electric connecting terminal connection.After treating that the cooling of the second temperature-sensitive bimetal leaf resets, auxiliary movable touching plate resets because of the elastic force of himself, separates with auxilliary fixed touching plate, reaches the purpose of automatic disconnection.
For realizing second purpose of the present invention, described electric kettle comprises the kettle body, on the kettle body, be provided with the temperature detect switch (TDS) of the above, two main electric connecting terminals of described temperature detect switch (TDS) and the electrothermal tube on the kettle body are serially connected in the electric power loop, described auxiliary electrical connection end with have the main electric connecting terminal of auxilliary fixed touching plate and acoustical generator to be serially connected in the electric power loop, the first temperature-sensitive bimetal leaf of described temperature detect switch (TDS) and the second temperature-sensitive bimetal leaf are arranged in the steam channel in the kettle body.
When the water that is used for controlling the kettle body during by boiled situation, first temperature sensing device is subjected to the temperature sense of steam and moves, and cuts off the power supply of electric heater.The second temperature-sensitive bimetal leaf also is subjected to the steam temperature induction and moves, and auxiliary electrical connection end and alarm are access in the electric power loop.After treating that steam stops a period of time, the cooling of the second temperature-sensitive bimetal leaf resets, and auxiliary movable touching plate separates with auxilliary fixed touching plate, and the breaking alarm power supply stops sounding alarm.After having realized that water is opened, can cut off the power supply of electric heater and produce the purpose of reporting to the police.
For realizing the 3rd purpose of the present invention, described electric kettle comprises the kettle body, on the kettle body, be provided with the temperature detect switch (TDS) of the above, two main electric connecting terminals of described temperature detect switch (TDS) and the electrothermal tube on the kettle body are serially connected in the electric power loop, described auxiliary electrical connection end with have the main electric connecting terminal of auxilliary fixed touching plate and acoustical generator to be serially connected in the electric power loop, the first temperature-sensitive bimetal leaf of described temperature detect switch (TDS) and the second temperature-sensitive bimetal leaf post the bottom at the kettle body.
When situation that the water that is used for controlling the kettle body is dryouied, the temperature of kettle body bottom surface rises rapidly, forms dry-fire condition.First temperature sensing device is subjected to the dry combustion method temperature sense and moves, and cuts off the power supply of electric heater.The second temperature-sensitive bimetal leaf also is subjected to the dry combustion method temperature sense and moves, and auxiliary electrical connection end and alarm are access in the electric power loop.After treating that electric heater stops to heat a period of time, kettle body bottom surface greenhouse cooling, the cooling of the second temperature-sensitive bimetal leaf resets, and auxiliary movable touching plate separates with auxilliary fixed touching plate, and the breaking alarm power supply stops sounding alarm.After having realized that water is done, can cut off the power supply of electric heater and report to the police with producing, and the self-braking purpose of meeting of after cooling a period of time, reporting to the police.
For realizing the 4th purpose of the present invention, described electric kettle comprises the kettle body, on the kettle body, be provided with aforesaid temperature detect switch (TDS), two main electric connecting terminals of described temperature detect switch (TDS) and the electrothermal tube on the kettle body are serially connected in the electric power loop, described auxiliary electrical connection end with have the main electric connecting terminal of auxilliary fixed touching plate and auxilliary electrothermal tube to be serially connected in the electric power loop, the first temperature-sensitive bimetal leaf and the second temperature-sensitive bimetal leaf of described temperature detect switch (TDS) are arranged in the steam channel of kettle body.
When the water that is used for controlling the kettle body during by boiled situation, first temperature sensing device is subjected to the temperature sense of steam and moves, and cuts off the power supply of electric heater.The second temperature-sensitive bimetal leaf also is subjected to the steam temperature induction and moves, auxiliary electrical connection end and auxilliary electrothermal tube are access in the electric power loop, the power ratio electrothermal tube of auxilliary electrothermal tube little carried out the small-power heat tracing, makes the water in the kettle body can not stop heating cooling rapidly because of heater.After treating that steam stops a period of time, the cooling of the second temperature-sensitive bimetal leaf resets, and auxiliary movable touching plate separates with auxilliary fixed touching plate, cuts off auxilliary electrothermal tube power, stops insulation.After having realized that water is opened, can cut off the power supply of electric heater and change keeping warm mode over to, can stop heat tracing automatically over time.
For realizing the 5th purpose of the present invention, described electric kettle comprises the kettle body, on the kettle body, be provided with aforesaid temperature detect switch (TDS), two main electric connecting terminals of described temperature detect switch (TDS) and the electrothermal tube on the kettle body are serially connected in the electric power loop, described auxiliary electrical connection end is serially connected in the electric power loop with the main electric connecting terminal of auxilliary fixed touching plate and acoustical generator and auxilliary electrothermal tube are arranged, and the first temperature-sensitive bimetal leaf and the second temperature-sensitive bimetal leaf of described temperature detect switch (TDS) are arranged in the steam channel of kettle body.
This is a kind of combination when striving the kettle body of water control to(for) being used in top third and fourth purpose by boiled situation, is about to acoustical generator and auxilliary electrothermal tube and is connected to auxiliary electrical connection end and has between the main electric connecting terminal of auxilliary fixed touching plate.Realize can cutting off the power supply of electric heater and changing keeping warm mode over to after water is opened, the while sounding alarm can stop heat tracing and warning over time automatically.
For realizing the 6th purpose of the present invention, described electric kettle comprises the kettle body, is provided with aforesaid temperature detect switch (TDS) and responds to the temperature detect switch (TDS) of steam as mentioned above on the kettle body; Two main electric connecting terminals of the temperature detect switch (TDS) of described temperature detect switch (TDS) and induction steam and the electrothermal tube on the kettle body are serially connected in the electric power loop; Be connected to auxilliary electrothermal tube between the auxiliary electrical connection end of the temperature detect switch (TDS) of described induction steam and the a-power supply end, the first temperature-sensitive bimetal leaf of the temperature detect switch (TDS) of described induction steam and the second temperature-sensitive bimetal leaf are arranged in the steam channel in the kettle body; Be connected to acoustical generator between the auxiliary electrical connection end of described temperature detect switch (TDS) and the B-source end, the first temperature-sensitive bimetal leaf of described temperature detect switch (TDS) and the second temperature-sensitive bimetal leaf post the bottom at the kettle body.
When the water that is used for controlling the kettle body during by boiled situation, first temperature sensing device of the temperature detect switch (TDS) of induction steam is subjected to the temperature sense of steam and moves, and cuts off the power supply of electric heater.The second temperature-sensitive bimetal leaf also is subjected to the steam temperature induction and moves, auxiliary electrical connection end and auxilliary electrothermal tube are access in the electric power loop, the power ratio electrothermal tube of auxilliary electrothermal tube little carried out heat tracing, makes the water in the kettle body can not stop heating cooling rapidly because of heater.After treating that steam stops a period of time, the cooling of the second temperature-sensitive bimetal leaf resets, and auxiliary movable touching plate separates with auxilliary fixed touching plate, cuts off auxilliary electrothermal tube power, stops insulation.
When temperature detect switch (TDS) was malfunctioning, the water in the kettle body was dryouied, and the temperature of kettle body bottom surface rises rapidly, formed dry-fire condition.First temperature sensing device of temperature detect switch (TDS) is subjected to the dry combustion method temperature sense and moves, and cuts off the power supply of electric heater.The second temperature-sensitive bimetal leaf also is subjected to the dry combustion method temperature sense and moves, and auxiliary electrical connection end and alarm are access in the electric power loop.After treating that electric heater stops to heat a period of time, kettle body bottom surface greenhouse cooling, the cooling of the second temperature-sensitive bimetal leaf resets, and auxiliary movable touching plate separates with auxilliary fixed touching plate, and the breaking alarm power supply stops sounding alarm.
For realizing the 7th purpose of the present invention, described electric kettle comprises the kettle body, is provided with aforesaid temperature detect switch (TDS) and responds to the temperature detect switch (TDS) of steam as mentioned above on the kettle body; Two main electric connecting terminals of the temperature detect switch (TDS) of described temperature detect switch (TDS) and described induction steam and the electrothermal tube on the kettle body are serially connected in the electric power loop; Be connected to acoustical generator between the auxiliary electrical connection end of the temperature detect switch (TDS) of described induction steam and the a-power supply end, the first temperature-sensitive bimetal leaf of the temperature detect switch (TDS) of described induction steam and the second temperature-sensitive bimetal leaf are arranged in the steam channel in the kettle body; Be connected to acoustical generator between the auxiliary electrical connection end of described temperature detect switch (TDS) and the B-source end, the first temperature-sensitive bimetal leaf of described temperature detect switch (TDS) and the second temperature-sensitive bimetal leaf post the bottom at the kettle body.
When the water that is used for controlling the kettle body during by boiled situation, first temperature sensing device of the temperature detect switch (TDS) of induction steam is subjected to the temperature sense of steam and moves, and cuts off the power supply of electric heater.The second temperature-sensitive bimetal leaf also is subjected to the steam temperature induction and moves, and auxiliary electrical connection end and acoustical generator are access in the electric power loop, and acoustical generator is realized sounding alarm, reminds the user.After treating that steam stops a period of time, the cooling of the second temperature-sensitive bimetal leaf resets, and auxiliary movable touching plate separates with auxilliary fixed touching plate, cuts off the acoustical generator power supply, stops to report to the police.
When temperature detect switch (TDS) was malfunctioning, the water in the kettle body was dryouied, and the temperature of kettle body bottom surface rises rapidly, formed dry-fire condition.First temperature sensing device of temperature detect switch (TDS) is subjected to the dry combustion method temperature sense and moves, and cuts off the power supply of electric heater once more.The second temperature-sensitive bimetal leaf also is subjected to the dry combustion method temperature sense and moves, and auxiliary electrical connection end and alarm are access in the electric power loop, produces once more and reports to the police, and this is that dry combustion method is reported to the police.After treating that electric heater stops to heat a period of time, kettle body bottom surface greenhouse cooling, the cooling of the second temperature-sensitive bimetal leaf resets, and auxiliary movable touching plate separates with auxilliary fixed touching plate, and the breaking alarm power supply stops sounding alarm.
Description of drawings
The drawing of accompanying drawing is described as follows:
Fig. 1 is the initial condition structural representation of temperature detect switch (TDS) of the present invention.
Fig. 2 for temperature detect switch (TDS) of the present invention be heated the action after the status architecture schematic diagram.
Fig. 3 is the initial condition structural representation of the another kind of version temperature detect switch (TDS) of the present invention.
Fig. 4 is be heated status architecture schematic diagram after the action of the another kind of version temperature detect switch (TDS) of the present invention.
Fig. 5 is for realizing the temperature detect switch (TDS) upward view of Fig. 1.
Fig. 6 is the A-A cutaway view of Fig. 5.
Fig. 7 analyses and observe composition for three-dimensional knot.
Fig. 8 is a cut-away view.
Fig. 9 is another kind of cut-away view.
Figure 10 is first kind of electric kettle structural representation.
Figure 11 is the electrical connection graph among Figure 10.
Figure 12 is second kind of electric kettle structural representation.
Figure 13 is the electrical connection graph among Figure 12.
Figure 14 is the third electric kettle structural representation.
Figure 15 is the 4th a kind of electric kettle structural representation.
Figure 16 is the electrical connection graph among Figure 15.
Figure 17 is the 5th a kind of electric kettle structural representation.
Figure 18 is the electrical connection graph among Figure 17.
Figure 19 is the 6th a kind of electric kettle structural representation.
Figure 20 is the electrical connection graph among Figure 19.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of temperature detect switch (TDS) of the present invention and electric kettle is described in further detail:
As shown in Fig. 1～9, temperature detect switch (TDS) of the present invention comprises 1, two main electric connecting terminal 2,3 of body, movable contact spring 4, fixed touching plate 5, the first temperature-sensitive bimetal leafs 6, push rod 7, the second temperature-sensitive bimetal leafs 8, auxiliary electrical connection end 9, auxiliary movable touching plate 10, groove 13, auxilliary fixed touching plate 17.
Described temperature detect switch (TDS) includes first temperature sensing device and second temperature sensing device.Be arranged on two main electric connecting terminals 2,3 on the body 1, link to each other with two main electric connecting terminals 2,3 and suppress movable contact spring 4 and the fixed touching plate 5 that contacts, be provided with between the first temperature-sensitive bimetal leaf 6 and movable contact spring 4 because of the first temperature-sensitive bimetal leaf 6 is heated to stick up to become and drive movable contact spring 4 and move the touch part 7 that separates with fixed touching plate 5, this is first temperature sensing device.On body 1, be provided with the second temperature-sensitive bimetal leaf 8 and auxiliary electrical connection end 9, therein main electric connecting terminal 2 or 3 and described auxiliary electrical connection end 9 on be respectively equipped with auxilliary fixed touching plate 17 and the auxiliary movable touching plate 10 that is separated from each other, between the second temperature-sensitive bimetal leaf 8 and auxiliary movable touching plate 10, be provided with auxilliary push rod 11, the second temperature-sensitive bimetal leaf 8 is heated to stick up and can drives auxilliary push rod 11 when becoming, auxiliary movable touching plate 10 is contacted with auxilliary fixed touching plate 17, and this is second temperature sensing device.
But described touch part 7 is for being arranged in the body 1 push rod of slip between the movable contact spring 4 and the first temperature-sensitive bimetal leaf 6.Realize automatic control function.
But described touch part 7 is for being arranged on tilting on the body 1, and what two ends can be touched the first temperature-sensitive bimetal leaf 6 and movable contact spring 4 respectively sticks up arm 12, described stick up to be provided with between arm 12 and the body 1 to make stick up arm 12 in perk with stick up the shell fragment 14 of location down.Stick up arm 12 by pressing, realize manual controlled function.
Be provided with the push rod that can in body 1, slide between a described end that sticks up arm 12 and the first temperature-sensitive bimetal leaf 6.Touch when being convenient to tilting Yu with the first temperature-sensitive bimetal leaf 6.
Described temperature detect switch (TDS) is characterized in that the first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 10 are arranged in the same groove 13 of body 1.Make the first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 10 simultaneously at groove 13 enteroception steam, realize tilting simultaneously.
Described first temperature sensing device includes two main electric connecting terminals 2,3 that are arranged on the body 1, the movable contact spring 4 and the fixed touching plate 5 that link to each other and be in contact with one another with two main electric connecting terminals 2,3 are provided with between the first temperature-sensitive bimetal leaf 6 and movable contact spring 4 because of the first temperature-sensitive bimetal leaf 6 is heated to stick up to become and drive movable contact spring 4 and move the touch part 7 that separates with fixed touching plate 5.After this structure is formed on the action of being heated, can reach automatic temperature control switch from first temperature sensing device of horizontal reset.
Described first temperature sensing device can also be to include body 1, be arranged on two main electric connecting terminals 2 on the body 1,3, with two main electric connecting terminals 2,3 movable contact spring 4 and the fixed touching plates 5 that link to each other and be in contact with one another, the first temperature-sensitive bimetal leaf 6, can tilting stick up arm 12, withstand on body 1 and stick up shell fragment 14 between the arm 12, an end that sticks up arm 12 is sticking up following time to body 1, can touch movable contact spring 4 makes it to separate with fixed touching plate 5, the other end that sticks up arm 12 is sticking up following time to body 1, can be heated to stick up to become by the first temperature-sensitive bimetal leaf 6 and then touch and produce tilting, form hand switch by push rod.
Body 1, stick up arm 12 and be made of plastics, stick up arm 12 can be on body 1 tilting, at body 1 and stick up shell fragment 14 is arranged between the arm 12.Under can elastic force effect after sticking up the certain angle of tilting under the effect of arm 12 in external force at shell fragment 14 automatically tilting to another position.Be provided with push rod being provided with the first temperature-sensitive bimetal leaf, 6, the first temperature-sensitive bimetal leafs 6 on the body 1 and sticking up between the arm 12.Under the normal condition, stick up arm 12 front ends and rely on body 1 by an end of push rod, this moment, push rod 7 was just in time stuck up arm 12 and the first temperature-sensitive bimetal leaf 6 is clamped.Stick up change when the first temperature-sensitive bimetal leaf 6 is heated, promote push rod 7, thus make stick up arm 12 under can elastic force effect after the certain angle of tilting under the promotion of push rod 7 active forces at shell fragment 14 automatically tilting to another position.Stick up arm 12 other ends and will touch movable contact spring 4 in the body 1, the fixed touching plate 5 that kept in touch is originally separated with movable contact spring 4.After this structure is formed on the action of being heated, first temperature sensing device that can only hand-reset, and manual temperature detect switch (TDS).
When the first temperature-sensitive bimetal leaf 6 was in cold conditions, suppressed on the contact of fixed touching plate 5 contact of movable contact spring 4.When the second temperature-sensitive bimetal leaf 8 was in cold conditions, auxilliary fixed touching plate 17 was in released state with auxiliary movable touching plate 10.Stick up when becoming when the first temperature-sensitive bimetal leaf 6 or the second temperature-sensitive bimetal leaf 8 are heated to produce, can drive corresponding push rod respectively, movable contact spring 4 is separated with fixed touching plate 5, auxiliary movable touching plate 10 is contacted with auxilliary fixed touching plate 17, realize a disconnection, a connection.
Reset after 6 coolings of the first temperature-sensitive bimetal leaf, movable contact spring 4 is in contact condition again with fixed touching plate 5.
Reset after 8 coolings of the second temperature-sensitive bimetal leaf, auxilliary fixed touching plate 17 is in released state again with auxiliary movable touching plate 10.
Be provided with the second temperature-sensitive bimetal leaf 8 on body 1, this second temperature-sensitive bimetal leaf 8 is identical with the first temperature-sensitive bimetal leaf, 6 structures, and it is heated and sticks up variable element and can select according to specification requirement.Body 1 is provided with auxiliary electrical connection end 9, on auxiliary electrical connection end 9, be provided with auxiliary movable touching plate 10, be provided with auxilliary push rod 11 between the second temperature-sensitive bimetal leaf 8 and the auxiliary movable touching plate 10, auxiliary movable touching plate 10 is the metal copper sheet, has certain elasticity, suppress to auxilliary push rod 11 directions under the normal condition, keep released state with auxilliary fixed touching plate 17.Have only when the action of being heated of the second temperature-sensitive bimetal leaf 8, drive and assist push rod 11, auxiliary movable touching plate 10 is contacted with auxilliary fixed touching plate 17 auxiliary movable touching plate 10 jack-up.After treating that 8 coolings of the second temperature-sensitive bimetal leaf reset, auxiliary movable touching plate 10 separates again with auxilliary fixed touching plate 17.
Because the first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 are arranged in the same groove 13 of body 1, when the bottom surface of body 1 is placed on the panel, the groove 13 of body 1 forms a cavity with panel, feed steam to this cavity, to stick up variate be 75 ℃ when the first temperature-sensitive bimetal leaf 6 is heated, and the second temperature-sensitive bimetal leaf 8 is heated when sticking up variate and being 75 ℃, the second temperature-sensitive bimetal leaf 8 and the first temperature-sensitive bimetal leaf 6 all can move, this moment, fixed touching plate 5 separated with movable contact spring 4, and auxiliary movable touching plate 10 contacts with auxilliary fixed touching plate 17.And when stopping a period of time after cavity feeds steam, the second temperature-sensitive bimetal leaf 8 resets because of cooling, and auxiliary movable touching plate 10 is separated with auxilliary fixed touching plate 17.No matter and this moment still after, whether the first temperature-sensitive bimetal leaf 6 resets, fixed touching plate 5 and movable contact spring 4 can't automatic attached remain released state because of sticking up arm 12.
As shown in Figure 10,11, described electric kettle comprises kettle body 19, aforesaid first temperature detect switch (TDS) 30, electrothermal tube 21, acoustical generator 22, steam channel 24.
Being heated of the first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 stuck up the change temperature value less than 100 ℃, as selects 75 ℃.The difference of temperature value causes the difference of resetting time, just determines the length and the weak point of time of fire alarming.
Because electric kettle of the present invention is provided with aforesaid first temperature detect switch (TDS) 30 on kettle body 19, described auxiliary electrical connection end 9 and have between the main electric connecting terminal of auxilliary fixed touching plate 17 and be connected to acoustical generator 22.When the water in the kettle body by after boiled, the steam that produces is through steam channel 24, described steam channel 24 should be the passage of steam process, do not should be understood to pipeline, the described first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 are heated produce and stick up change, cause fixed touching plate 5 to separate, cut off the power supply of electrothermal tube 21 with movable contact spring 4, auxiliary movable touching plate 10 is contacted with auxilliary fixed touching plate 17, make acoustical generator 22 energising sounding.Acoustical generator 22 is similarly electronic sound-producing device or device such as buzzer or loudspeaker.Treat that steam disappears back a period of time, the first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 are because of cooling resets, and fixed touching plate 5 contacts once more with movable contact spring 4, make electrothermal tube 21 heating powers, auxiliary movable touching plate 10 then can separate with auxilliary fixed touching plate 17, make acoustical generator 22 outages, stop sounding, form water and open, the electrothermal tube outage, acoustical generator powers alarm, and reset afterwards, and then the continuous prompting water of repetitive cycling is by boiled state.
When described first temperature detect switch (TDS) 30 adopts automatic temperature control switch, realize that water opens the power supply that the back cuts off electrothermal tube 21, after a period of time to be cooled, can make electrothermal tube 21 heating of switching on again again.
When described first temperature detect switch (TDS) 30 adopts manual temperature detect switch (TDS), realize forever cutting off after water is opened the power supply of electrothermal tube 21, apply an active force until the external world on the arm 12 sticking up of first temperature detect switch (TDS) 30, make its upset hand-reset, can make electrothermal tube 21 heating of switching on again.
As shown in Figure 12, electric kettle comprises kettle body 19, electrothermal tube 21, aforesaid first temperature detect switch (TDS) 30, acoustical generator 22.Its electrical connection graph as shown in figure 11.
Electric kettle of the present invention, because at described auxiliary electrical connection end 9 and have between the main electric connecting terminal of auxilliary fixed touching plate 17 and be connected to acoustical generator 22, the described first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 are arranged on the bottom of kettle body 19, make the first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 can directly respond to the temperature of the bottom of kettle body 19, form the dry combustion method sounding alarm.The first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf, 8 temperature-sensitive values can be selected different parameter values according to its locations of structures that is placed in kettle body bottom.Because kettle body 19 is in when the heated state of water is arranged, the temperature peak of bottom is constant, so the first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf, 8 temperature-sensitive values can be selected greater than steady state value.Control when this structure is used for the Induction Heating kettle and is in dry combustion method, and when the water in the kettle body is dryouied after, kettle body bottom is owing to be provided with electrothermal tube 21, and its temperature is constantly risen, and moves until the first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8.
As shown in Figure 13,14, described electric kettle comprises kettle body 19, aforesaid first temperature detect switch (TDS) 30, electrothermal tube 21, auxilliary electrothermal tube 29, steam channel 24.
Owing to assist electrothermal tube 29 with having to be connected between the main electric connecting terminal of auxilliary fixed touching plate 17 at described auxiliary electrical connection end 9, the described first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 are arranged in the steam channel 24 in the kettle body 19, make the first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 can directly respond to the steam temperature of the middle generation of kettle body 19, form and enter keeping warm mode after water is opened.Described auxiliary electrical connection end 9 and have and be connected to auxilliary electrothermal tube 29 between the main electric connecting terminal of auxilliary fixed touching plate 17.The power of auxilliary electrothermal tube 29 is often little a lot of than electrothermal tube 21, is 60W as the power of auxilliary electrothermal tube 29, and the power of electrothermal tube 21 is 1500W, has realized that water opens the purpose of back circulation automatic heat preserving.
When described first temperature detect switch (TDS) 30 adopts automatic temperature control switch, realize cutting off after water is opened the power supply of electrothermal tube 21, heat by auxilliary electrothermal tube 29, realize insulation.After a period of time to be cooled, auxilliary electrothermal tube 29 stops heating, and electrothermal tube 21 heating of can switching on again so moves in circles.
When described first temperature detect switch (TDS) 30 adopts manual temperature detect switch (TDS), realize forever cutting off after water is opened the power supply of electrothermal tube 21, heat by auxilliary electrothermal tube 29, realize being incubated, stop automatically being incubated through after a while.
As shown in Figure 15,16, described electric kettle comprises kettle body 19, aforesaid first temperature detect switch (TDS) 30, and electrothermal tube 21, acoustical generator 22, auxilliary electrothermal tube 29 is in the steam channel 24.
Electric kettle of the present invention, because at described auxiliary electrical connection end 9 and have between the main electric connecting terminal of auxilliary fixed touching plate 17 and be connected to acoustical generator 22 and auxilliary electrothermal tube 29, the described first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 are arranged in the steam channel 24 in the kettle body 19, make the first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 can directly respond to the steam temperature of the middle generation of kettle body 19, form and to enter insulation alarm condition simultaneously after water is opened.
As shown in Figure 17,18, described electric kettle comprises kettle body 19, second temperature detect switch (TDS) 31 of aforesaid first temperature detect switch (TDS) 30 and induction steam, and electrothermal tube 21, steam channel 24, auxilliary electrothermal tube 29, acoustical generator 22,
Electric kettle of the present invention is provided with aforesaid first temperature detect switch (TDS) 30 and second temperature detect switch (TDS) 31 of responding to steam on kettle body 19; In described first temperature detect switch (TDS) 30 described has another main electric connecting terminal of another main electric connecting terminal of the main electric connecting terminal of auxilliary fixed touching plate, described first temperature detect switch (TDS) 30, described second temperature detect switch (TDS) 31, described second temperature detect switch (TDS) 31 the described main electric connecting terminal that auxilliary fixed touching plate arranged is serially connected in turn between a-power supply end and the B-source end the electric power loop, electrothermal tube 21 is serially connected in this electric power loop; Be connected to auxilliary electrothermal tube 29 between the auxiliary electrical connection end 9 of second temperature detect switch (TDS) 31 of described induction steam and the a-power supply end, its first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 are arranged in the steam channel 24 in the kettle body 19; Be connected to acoustical generator 22 between the auxiliary electrical connection end 9 of described first temperature detect switch (TDS) 30 and the B-source end, its first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 are arranged on the bottom of kettle body 19.Form and enter keeping warm mode after water is opened, water is dryouied the back sounding alarm.
As shown in Figure 19,20, described electric kettle comprises kettle body 19, second temperature detect switch (TDS) 31 of aforesaid first temperature detect switch (TDS) 30 and induction steam, and electrothermal tube 21,24, two acoustical generators 22 of steam channel,
Electric kettle of the present invention comprises kettle body 19, is provided with second temperature detect switch (TDS) 31 of aforesaid first temperature detect switch (TDS) 30 and induction steam on kettle body 19; In described first temperature detect switch (TDS) 30 described has another main electric connecting terminal of another main electric connecting terminal of the main electric connecting terminal of auxilliary fixed touching plate, described first temperature detect switch (TDS) 30, described second temperature detect switch (TDS) 31, described second temperature detect switch (TDS) 31 the described main electric connecting terminal that auxilliary fixed touching plate arranged is serially connected in turn between a-power supply end and the B-source end the electric power loop, electrothermal tube 21 is serially connected in this electric power loop; Be connected to acoustical generator 22 between the auxiliary electrical connection end 9 of second temperature detect switch (TDS) 31 of described induction steam and the a-power supply end, its first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 are arranged in the steam channel 24 in the kettle body 19; Be connected to acoustical generator 22 between the auxiliary electrical connection end 9 of described first temperature detect switch (TDS) 30 and the B-source end, its first temperature-sensitive bimetal leaf 6 and the second temperature-sensitive bimetal leaf 8 are arranged on the bottom of kettle body 19.Formation water is opened back sounding prompting water and is opened warning, sounding prompting dry combustion method warning once more after water is dryouied.
The present invention realizes automatic control to boil water by mechanical structure, avoids because of the water boiling or dryouied the back user learning and to learn that the back does not have in time to handle long-time sounding alarm, produces the problem of noise jamming.
Claims (11)
1. temperature detect switch (TDS), include two main electric connecting terminals (2 that are arranged on the body (1), 3), with two main electric connecting terminals (2,3) link to each other and suppress the movable contact spring (4) and the fixed touching plate (5) of contact, it is characterized in that between the first temperature-sensitive bimetal leaf (6) and movable contact spring (4), being provided with because of the first temperature-sensitive bimetal leaf (6) is heated to stick up to become and drives movable contact spring (4) and move the touch part (7) that separates with fixed touching plate (5), on body (1), be provided with the second temperature-sensitive bimetal leaf (8) and auxiliary electrical connection end (9), be respectively equipped with auxilliary fixed touching plate (17) and the auxiliary movable touching plate (10) that is separated from each other on a main electric connecting terminal (2 or 3) and the described auxiliary electrical connection end (9) therein, between the second temperature-sensitive bimetal leaf (8) and auxiliary movable touching plate (10), be provided with auxilliary push rod (11), the second temperature-sensitive bimetal leaf (8) is heated to stick up when becoming and can drives auxilliary push rod (11), and auxiliary movable touching plate (10) is contacted with auxilliary fixed touching plate (17).
2. temperature detect switch (TDS) according to claim 1, it is characterized in that described touch part (7) for being arranged on body (1) but in the push rod of slip between movable contact spring (4) and the first temperature-sensitive bimetal leaf (6).
3. temperature detect switch (TDS) according to claim 1, it is characterized in that described touch part (7) for being arranged on body (1) but go up tilting, what two ends can be touched the first temperature-sensitive bimetal leaf (6) and movable contact spring (4) respectively sticks up arm (12), described stick up to be provided with between arm (12) and the body (1) to make stick up arm (12) in perk with stick up the shell fragment (14) of location down.
4. temperature detect switch (TDS) according to claim 3 is characterized in that being provided with the push rod that can slide between a described end that sticks up arm (12) and the first temperature-sensitive bimetal leaf (6) in body (1).
5. according to claim 1,2,3 or 4 described temperature detect switch (TDS)s, it is characterized in that the first temperature-sensitive bimetal leaf (6) and the second temperature-sensitive bimetal leaf (10) are arranged in the same groove (13) of body (1).
6. electric kettle, comprise kettle body (19), it is characterized in that on kettle body (19), being provided with as claim 1 or 2 or 3 or 4 or 5 described temperature detect switch (TDS)s (30), two main electric connecting terminals (2 of described temperature detect switch (TDS) (30), 3) with kettle body (19) on electrothermal tube (21) be serially connected in the electric power loop, described auxiliary electrical connection end (9) with have the main electric connecting terminal of auxilliary fixed touching plate (17) and acoustical generator (22) to be serially connected in the electric power loop, the first temperature-sensitive bimetal leaf (6) of described temperature detect switch (TDS) (30) and the second temperature-sensitive bimetal leaf (8) are arranged in the steam channel (24) in the kettle body (19).
7. electric kettle, comprise kettle body (19), it is characterized in that on kettle body (19), being provided with as claim 1 or 2 or 3 or 4 described temperature detect switch (TDS)s (30), electrothermal tube (21) on two main electric connecting terminals (2,3) of described temperature detect switch (TDS) (30) and the kettle body (19) is serially connected in the electric power loop, described auxiliary electrical connection end (9) with have the main electric connecting terminal of auxilliary fixed touching plate (17) and acoustical generator (22) to be serially connected in the electric power loop, the first temperature-sensitive bimetal leaf (6) of described temperature detect switch (TDS) (30) and the second temperature-sensitive bimetal leaf (8) post the bottom in kettle body (19).
8. electric kettle, comprise kettle body (19), it is characterized in that on kettle body (19), being provided with as claim 1 or 2 or 3 or 4 or 5 described temperature detect switch (TDS)s (30), two main electric connecting terminals (2 of described temperature detect switch (TDS) (30), 3) with kettle body (19) on electrothermal tube (21) be serially connected in the electric power loop, described auxiliary electrical connection end (9) with have the main electric connecting terminal of auxilliary fixed touching plate (17) and auxilliary electrothermal tube (29) to be serially connected in the electric power loop, the first temperature-sensitive bimetal leaf (6) and the second temperature-sensitive bimetal leaf (8) of described temperature detect switch (TDS) (30) are arranged in the steam channel (24) of kettle body (19).
9. electric kettle, comprise kettle body (19), it is characterized in that on kettle body (19), being provided with as claim 1 or 2 or 3 or 4 or 5 described temperature detect switch (TDS)s (30), two main electric connecting terminals (2 of described temperature detect switch (TDS) (30), 3) with kettle body (19) on electrothermal tube (21) be serially connected in the electric power loop, described auxiliary electrical connection end (9) is serially connected in the electric power loop with the main electric connecting terminal of auxilliary fixed touching plate (17) and acoustical generator (22) and auxilliary electrothermal tube (29) are arranged, and the first temperature-sensitive bimetal leaf (6) and the second temperature-sensitive bimetal leaf (8) of described temperature detect switch (TDS) (30) are arranged in the steam channel (24) of kettle body (19).
10. an electric kettle comprises kettle body (19), it is characterized in that:
On kettle body (19), be provided with first temperature detect switch (TDS) (30) and second temperature detect switch (TDS) (31), described first temperature detect switch (TDS) (30) is a temperature detect switch (TDS) as claimed in claim 1 or 2, and described second temperature detect switch (TDS) (31) is as claim 1 or 3 or 4 or 5 temperature detect switch (TDS)s;
Electrothermal tube (21) on two main electric connecting terminals (2,3) of described first temperature detect switch (TDS) (30) and second temperature detect switch (TDS) (31) and the kettle body (19) is serially connected in the electric power loop;
Described first temperature detect switch (TDS) (30) described has another main electric connecting terminal, described second temperature detect switch (TDS) (31) described of another main electric connecting terminal, described second temperature detect switch (TDS) (31) of main electric connecting terminal, described first temperature detect switch (TDS) (30) of auxilliary fixed touching plate to have the main electric connecting terminal of auxilliary fixed touching plate to be serially connected in turn in the electric power loop between a-power supply end and the B-source end, and electrothermal tube (21) is serially connected in this electric power loop;
Be connected to auxilliary electrothermal tube (29) between the auxiliary electrical connection end (9) of described second temperature detect switch (TDS) (31) and the a-power supply end, the first temperature-sensitive bimetal leaf (6) of described second temperature detect switch (TDS) (31) and the second temperature-sensitive bimetal leaf (8) are arranged in the steam channel (24) in the kettle body (19);
Be connected to acoustical generator (22) between the auxiliary electrical connection end (9) of described first temperature detect switch (TDS) (30) and the B-source end, the first temperature-sensitive bimetal leaf (6) of described first temperature detect switch (TDS) (30) and the second temperature-sensitive bimetal leaf (8) post the bottom in kettle body (19).
11. an electric kettle comprises kettle body (19), it is characterized in that:
On kettle body (19), be provided with first temperature detect switch (TDS) (30) and second temperature detect switch (TDS) (31), described first temperature detect switch (TDS) (30) is a temperature detect switch (TDS) as claimed in claim 1 or 2, and described second temperature detect switch (TDS) (31) is as claim 1 or 3 or 4 or 5 temperature detect switch (TDS)s;
Described first temperature detect switch (TDS) (30) described has another main electric connecting terminal, described second temperature detect switch (TDS) (31) described of another main electric connecting terminal, described second temperature detect switch (TDS) (31) of main electric connecting terminal, described first temperature detect switch (TDS) (30) of auxilliary fixed touching plate to have the main electric connecting terminal of auxilliary fixed touching plate to be serially connected in turn in the electric power loop between a-power supply end and the B-source end, and electrothermal tube (21) is serially connected in this electric power loop;
Be connected to acoustical generator (22) between the auxiliary electrical connection end (9) of described second temperature detect switch (TDS) (31) and the a-power supply end, the first temperature-sensitive bimetal leaf (6) of described second temperature detect switch (TDS) (31) and the second temperature-sensitive bimetal leaf (8) are arranged in the steam channel (24) in the kettle body (19);
Be connected to acoustical generator (22) between the auxiliary electrical connection end (9) of described first temperature detect switch (TDS) (30) and the B-source end, the first temperature-sensitive bimetal leaf (6) of described first temperature detect switch (TDS) (30) and the second temperature-sensitive bimetal leaf (8) post the bottom in kettle body (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100276747A CN100416733C (en) | 2004-06-17 | 2004-06-17 | Thermostatic switch and electric water bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100276747A CN100416733C (en) | 2004-06-17 | 2004-06-17 | Thermostatic switch and electric water bottle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1595582A CN1595582A (en) | 2005-03-16 |
| CN100416733C true CN100416733C (en) | 2008-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100276747A Expired - Fee Related CN100416733C (en) | 2004-06-17 | 2004-06-17 | Thermostatic switch and electric water bottle |
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| Country | Link |
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| CN (1) | CN100416733C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102258321B (en) * | 2010-05-24 | 2017-08-08 | 松下电器产业株式会社 | Insulating pot |
| CN112890584B (en) * | 2021-02-24 | 2022-05-24 | 廉江市现代生活电器有限公司 | Temperature control switch of thermos |
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| CN2781550Y (en) * | 2004-06-17 | 2006-05-17 | 邵志成 | Temp-control switch and electric kettle |
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- 2004-06-17 CN CNB2004100276747A patent/CN100416733C/en not_active Expired - Fee Related
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|---|---|---|---|---|
| GB892685A (en) * | 1959-04-16 | 1962-03-28 | William Morris Russell | Improvements in electric kettles |
| US4035756A (en) * | 1976-01-26 | 1977-07-12 | Therm-O-Disc Incorporated | Two temperature thermostat |
| US4539468A (en) * | 1982-03-18 | 1985-09-03 | Otter Controls Limited | Water boiling vessel immersion heater with primary and secondary thermal cut-out protection |
| GB2149217A (en) * | 1983-10-31 | 1985-06-05 | Strix Ltd | Thermally-sensitive controls |
| CN1294894A (en) * | 1994-06-09 | 2001-05-16 | 施特里克斯有限公司 | Heat-sensitive controller for water-boiling vessel |
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| CN1595582A (en) | 2005-03-16 |
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