CN202312844U - Heat preservation type magnetic temperature control electric kettle - Google Patents
Heat preservation type magnetic temperature control electric kettle Download PDFInfo
- Publication number
- CN202312844U CN202312844U CN2011204372819U CN201120437281U CN202312844U CN 202312844 U CN202312844 U CN 202312844U CN 2011204372819 U CN2011204372819 U CN 2011204372819U CN 201120437281 U CN201120437281 U CN 201120437281U CN 202312844 U CN202312844 U CN 202312844U
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- temperature
- sensitive
- seesaw
- outer cover
- insulation
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Abstract
The utility model relates to a heat preservation type magnetic temperature control electric kettle. The bottom surface of a kettle body is provided with an electric heating body, a temperature sensing substrate, a temperature sensing trigger device, an insulating support and electric contacts; the temperature sensing trigger device comprises a soft magnet, a permanent magnet, a lever mechanism, a resetting push rod and an outer cover; the temperature sensing substrate is attached to the outer bottom surface of the kettle body; the soft magnet is connected with the temperature sensing substrate; the first force arm end of the lever mechanism is connected with a moving contact; the second force arm end of the lever mechanism is provided with the outer cover; the outer cover is fixedly connected with the temperature sensing substrate; a resetting push rod for pushing the second force arm end of the level mechanism to reset and attract is arranged in the outer cover; the exposed end of the resetting push rod can push through a work key mechanism outside a base to make the permanent magnet and the soft magnet attract; and the temperature sensing trigger device can be connected in parallel with a circuit of a heat preservation temperature controller, so that after the circuit of the temperature sensing trigger device is disconnected, the on/off actions are carried out to realize the heat preservation function. The heat preservation type magnetic temperature control electric kettle is simple in structure, sensitive in actions during overtemperature, high in temperature accuracy, high in working stability, high in safety reliability and stable in heat preservation temperature.
Description
Technical field
The utility model belongs to the electric kettle technical field, is specifically related to thermal-insulating type magnetic control-temperature electric heating kettle.
Background technology
At present, the work of electric kettle automatic thermostat is to produce steam by water boiling back mostly, guides to the temperature controller that is loaded at the bottom of handle or the kettle through steam pipe, and the bimetal leaf in the temperature controller is experienced temperature and the outage of moving of steam.But such product need be provided with the steam skirt, and the structure relative complex only is applicable to the insulating pot that many restrictions are arranged on the structure.For the heating of other liquid or do not produce under the situation of steam and just can't be suitable for, and existing insulating pot generally do not have heat insulation function, or the temperature range of insulation is very big.Even individual other thermal-insulating type generally is to rely on the continuous heating power of small-power heat-generating pipe to keep, temperature is uncontrolled.In addition, the water boiling temperature is relevant with pressure (height above sea level of living in), 300 meters of the general every risings of height above sea level, and water boiling point lowers 1 ℃, in the high altitude localities, leans on the temperature controller of steam control not reach the effect near 100 ℃ of water temperatures.Because water is only had an appointment 97 ℃-100 ℃ among a small circle in the fluidized state temperature of plains region; And bimetal leaf temp sensing type temperature controller; Like Kick type or flashing temperature-control device; Because the drift of operating temperature, the aspect factors such as hysteresis of temperature conduction are difficult to reach the accurate control to water fluidized state temperature-sensitive in the error of material property and manufacturing and the use.
The utility model content
The purpose of the utility model be overcome existing electric kettle complex structure, temperature-sensitive is insensitive, the temperature range of choice is narrower; The problem of function singleness; A kind of thermal-insulating type magnetic control-temperature electric heating kettle is proposed; This electric kettle is simple in structure, temperature accuracy is high, good operating stability, security reliability high, and heat-insulating property is stable.
In order to solve the problems of the technologies described above; The utility model has adopted with following technical proposals: a kind of thermal-insulating type magnetic control-temperature electric heating kettle; Include kettle body, pot lid, kettle the electric heating element of, base and kettle body bottom surface, on base, be provided with the lever work button of band energy-stored spring sheet, the work button is through the hinge supporting; Also be provided with the temperature-sensitive substrate in kettle body bottom surface; The temperature-sensitive substrate is provided with temperature-sensitive flip flop equipment and insulated leg, the elastic sheet metal fixed touch plate that contact is decided in protection with band of band protection moving contact is set on insulated leg, but the protection moving contact is decided the electrical contact that contact constitutes a pair of break-make power supply with protection; It is characterized in that; Described temperature-sensitive flip flop equipment comprises soft magnetic bodies, permanent magnet, the leverage with predetermined Curie point, reset push rod and outer cover, and said temperature-sensitive substrate is close on the thin walled shell of kettle body bottom surface, and said soft magnetic bodies is connected with the temperature-sensitive substrate contacts; First arm of force end of said leverage is connected with the protection moving contact of said elastic sheet metal; Second arm of force end of said leverage connects through the corresponding magnetic with said soft magnetic bodies of described permanent magnet, is provided with outer cover at second arm of force end of said leverage, and said outer cover is fixedly connected with the temperature-sensitive substrate; Be provided with second arm of force end promotion that receives leverage in the outer cover and the push rod that resets that slides up and down, the exposed junction of the push rod that resets contacts with the energy-stored spring sheet trigger end of work button.
Further, described leverage comprises seesaw and seesaw bearing, and first arm of force end of said seesaw is connected with the free end of said elastic sheet metal through the insulation porcelain knob, and said permanent magnet is arranged on second arm of force end of said seesaw.
Further, described seesaw bearing band V-type groove, described seesaw is " Z " word shape, the fulcrum shaft at said seesaw middle part is located in the said V-type groove.
Further; Also be provided with one group on the described insulated leg in addition by bimetal leaf, reed mechanism, the second insulation porcelain knob, another insulation thermostat that electrical contact is constituted; Described bimetal leaf is as the insulation thermal sensitive piece, and it is parallelly connected that the insulation thermostat forms circuit through binding post and temperature-sensitive flip flop equipment.
Further, described electric heating element adopts the structure of two heat-generating pipes, and a more powerful heat-generating pipe is connected with the electrical contact of temperature-sensitive flip flop equipment, is responsible for the boiling water heating, and the heat-generating pipe of a smaller power is connected with the electrical contact of temperature controller, is responsible for the insulation heating.
Described electric heating element also can adopt single heat-generating pipe, and this heat-generating pipe is connected with the electrical contact of temperature-sensitive flip flop equipment and the electrical contact of temperature controller simultaneously.
Described temperature-sensitive substrate is aluminium, copper or stainless nonmagnetic metal plate.
The material of said outer cover is plastics, pottery or nonmagnetic material, and the material of said seesaw bearing is plastics, pottery or nonmagnetic material, and the material of seesaw is a nonmagnetic material.
The material of the said push rod that resets is plastics, pottery or nonmagnetic material.
Said insulation structure of controlling temperature be with the basis of aforementioned dielectric bearing on temperature-sensitive bimetal leaf, overcurrent spring structure are set, a pair of electrical contact, and temperature adjustment top board etc. connects with magnetic limit circuit temperature, can set the corresponding actions temperature that is incubated water temperature.Begin to heat up water when insulation, two groups of all conductings of circuit, be heated to uniform temperature after, the insulation temperature control is broken off, magnetic limit temperature continues energising, to water disconnections of boiling, when water temperature was reduced to holding temperature, heating was connected in the insulation temperature control, water temperature rise is broken off again, Automatic Cycle is incubated.
The utlity model has following beneficial effect:
1, the temperature-sensitive flip flop equipment in the utility model is a stand-alone configuration, can be separately or integrally with the supporting application of various electric kettle.
2, utilize the Curie point temperature-sensitive of soft magnetic bodies, optional temperature spot is many, and temperature upper limit can reach 400 ℃, can satisfy the needs of different temperatures upper limit product, and is applied widely.Can be used for the control of other various liquid heat.
3, the good stability of soft magnetic bodies Curie point can be realized in batches accurately control, and security reliability is high.
4, the temperature-sensitive substrate is pasting kettle body bottom surface, and the soft magnet of temperature-sensitive adopts the direct contact type temperature-sensitive, can move sensitive when making overtemperature.
5, but the push rod that resets is the repetitive operation mechanism of manual reversion, and soft magnetic bodies can not influence its performance because of electric current and timeliness.
Description of drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the A-A cross-sectional view of Fig. 1;
Fig. 3 is a temperature-sensitive flip flop equipment and the structure enlarged diagram that is incubated thermostat among Fig. 2;
Structural representation when Fig. 4 is Fig. 3 overtemperature operating state;
Fig. 5 is the structural representation of embodiment 2;
Fig. 6 is the B-B cross-sectional view of Fig. 5.
Reference numeral:
1. outer cover 2. temperature-sensitive substrates 3. soft magnetic bodies
4. permanent magnet 5. seesaw 5.1. seesaw bearings
6. insulation porcelain knob 8. elastic sheet metal 8.1. protect moving contact
9. contact 10. rivets are decided in fixed touch plate 9.1. protection
The push rod 12. insulated legs 13. insulation thermal sensitive pieces 11. reset
14. the second insulation porcelain knob, 15. reed mechanisms 16. another to electrical contact
17. kettle body 18. pot lids 19. kettle handles
20. base 21. heat-generating pipes 22. more powerful heat-generating pipes
23. the heat-generating pipe 24. power interfaces 25. work buttons of smaller power
The specific embodiment
Embodiment one
Referring to Fig. 1-Fig. 4, present embodiment is a single-shot thermal management warm type electric kettle, mainly include conventional kettle body 17, pot lid 18, kettle 19, base 20 and power interface 24.Single heat-generating pipe 21 is loaded on the outer bottom of kettle body 17, on base 20, is provided with the lever work button 25 of band energy-stored spring sheet, and work button 25 is through the hinge supporting, and its end is placed on base 20.Outer bottom at kettle body 17 also is provided with temperature-sensitive flip flop equipment, insulation thermostat and insulated leg 12 simultaneously.Wherein, The temperature-sensitive flip flop equipment comprises temperature-sensitive substrate 2, has the soft magnetic bodies 3 of predetermined Curie point, permanent magnet 4, leverage, the push rod 11 that resets, outer cover 1 and the elastic sheet metal 8 of band protection moving contact 8.1 is set and the fixed touch plate 9 that contact 9.1 decide in the band protection on insulated leg 12, but the electrical contact of a pair of break-make heat-generating pipe 21 power supplys of contact 9.1 formations is decided in protection moving contact 8.1 and protection.The insulation thermostat is by the bimetal leaf of routine--and insulation thermal sensitive piece 13, reed mechanism 15, the second insulation porcelain knob 14, on insulated leg 12 another constitute electrical contact 16.
The temperature-sensitive substrate 2 of temperature-sensitive flip flop equipment is close to the outer bottom of kettle body 17; Soft magnetic bodies 3 is connected with 2 contacts of temperature-sensitive substrate; Described leverage comprises seesaw 5 and seesaw bearing 5.1; First arm of force end of seesaw 5 is connected with the free end of elastic sheet metal 8 through insulation porcelain knob 6, and permanent magnet 4 is arranged on second arm of force end of seesaw 5.Second arm of force end of seesaw 5 connects with said soft magnetic bodies 3 corresponding magnetic through permanent magnet 4; Second arm of force end at seesaw 5 is provided with outer cover 1; Said outer cover 1 is fixedly connected with temperature-sensitive substrate 2; Be provided with second arm of force end promotion that receives seesaw 5 in the outer cover 1 and the push rod 11 that resets that slides up and down, the exposed junction of the push rod 11 that resets contacts with the energy-stored spring sheet trigger end of work button 25.
Outer cover 1 is fixed on the temperature-sensitive installing plate 2; Second arm of force end, soft magnetic bodies 3, the permanent magnet 4 of push rod 11, seesaw 5 of will resetting all covers in it; Outer cover 1 is fixed soft magnetic bodies 3 on temperature-sensitive installing plate 2, soft magnetic bodies 3 and permanent magnet 4 corresponding magnetic, and permanent magnet 4 is fixed on second arm of force end of seesaw 5 through rivet 10; Reset push rod 11 1 terminations pass on the outer cover 1 through hole and with work button 25 contact so that hand-reset; The upper end of push rod 11 of resetting contacts with second arm of force end surfaces of seesaw 5, and the push rod 11 that can when second arm of force end perk, promote to reset moves; The push rod 11 that resets is plastic bar.First arm of force end of seesaw 5 is fixedly connected with the free end of elastic sheet metal 8 through insulation porcelain knob 6; Seesaw 5 is the stainless steel substrates of " Z " shape shape, and seesaw bearing 5.1 is the plastic seating of band V-type groove, and seesaw bearing 5.1 is arranged on the temperature-sensitive installing plate 2, and the fulcrum shaft at seesaw 5 middle parts is located in the V-shaped groove.Temperature-sensitive installing plate 2 adopts nonmagnetic metal plates such as aluminium, copper or stainless steel to make.
Describe the course of work of the utility model now: like Fig. 2, be applied to the control of single heat-generating pipe electric kettle to boil water, the Curie temperature of soft magnetic bodies 3 may be selected to be 96～97 ℃.On temperature-sensitive installing plate 2 being close at the bottom of the kettle of individual layer, temperature-sensitive installing plate 2 is experienced water temperature basically and is changed, two groups of control circuits of temperature-sensitive flip flop equipment and insulation thermostat and tie; When selecting the insulation energising to boil water, along with the rising of temperature, insulation thermal sensitive piece 13 action earlier of insulation temperature controller; Another is broken off electrical contact 16 contacts, and at this moment, the protection moving contact 8.1 of temperature-sensitive flip flop equipment control is decided contact 9.1 with protection and is still kept in touch conducting; Heat-generating pipe 21 is heating power still, and in the time of in the normal working temperature scope, the soft magnetic bodies 3 that have certain Curie point this moment is in below the Curie point; Have low magnetic resistance and high magnetic permeability; Thereby permanent magnet 4 is pull-in on the soft magnetic bodies 3 together with seesaw 5, and protection is decided contact 9.1 and is in contact condition with protection moving contact 8.1, the heat-generating pipe 21 energising heating of electric kettle; When the water temperature of insulating pot reaches about 100 ℃, when promptly reaching predetermined temperature, through the conduction and the soft magnet temperature-sensitive temperature balance of temperature-sensitive installing plate; When the temperature of soft magnetic bodies 3 surpasses about 98 ℃ Curie point; Soft magnetic bodies 3 can become high magnetic resistance and low magnetic permeability state, thereby loses the magnetic attraction (as shown in Figure 4) to permanent magnet 4, and this moment is because the elastic force effect of elastic sheet metal 8; Promote insulation porcelain knob 6; Thereby first arm of force end that makes seesaw 5 makes protection moving contact 8.1 decide contact 9.1 with protection and disengages around support motion, thereby cuts off circuit to stop to continue heating.Simultaneously, second arm of force end tilting of seesaw 5, permanent magnet 4 also disengages with soft magnetic bodies 3, and the push rod 11 that resets is passed, and an end of the band energy-stored spring sheet of work button 25 is triggered, 25 perks of work button.After adding the hot water boiling, the temperature-sensitive flip flop equipment moves and cuts off the power supply, and waits for when water temperature drops to holding temperature; Insulation thermal sensitive piece 13 trigger actions of insulation temperature controller make another connect automatically once more electrical contact 16 contacts through reed mechanism 15, the second insulation porcelain knob 14, and heat-generating pipe 21 begins the energising heating again; Very fast heat-generating disc temperature rises; After reaching holding temperature, the insulation thermal sensitive piece 13 of insulation temperature controller triggers once more, heat-generating pipe 21 outages; Do action like this, going round and beginning again makes water remain on the temperature of setting.If do not establish the insulation selector switch, be exactly automatically to be incubated electric kettle.
Embodiment two
Referring to Fig. 5, Fig. 6; Present embodiment is two heat-generating pipe thermal-insulating type electric kettles, for the electric kettle of big complete machine power, can adopt the arrangement works of two heat-generating pipes; Article one, more powerful heat-generating pipe 22 is responsible for being heated to and is boiled water, and the heat-generating pipe 23 of a smaller power is responsible for insulation.When selecting the insulation energising to heat up water beginning, two heat-generating pipes 22,23 are simultaneously with the general power heating work, along with the rising of temperature; Insulation thermal sensitive piece 13 action earlier of insulation temperature controller, another breaks off electrical contact 16, and heat retaining and exothermal pipe 23 stops heating; And more high-power heat-generating pipe 22 is still in conducting heating, when the water temperature of insulating pot reaches about 100 ℃, when promptly reaching predetermined temperature; Conduction and soft magnet temperature-sensitive temperature balance through the temperature-sensitive installing plate; When the temperature of soft magnetic bodies 3 surpasses about 98 ℃ Curie point, the action of temperature-sensitive flip flop equipment, more high-power heat-generating pipe 22 outages.After waiting for that water temperature drops to holding temperature; The insulation thermal sensitive piece 13 of insulation temperature controller triggers, and makes another to electrical contact 16 contactings once more, and the heat-generating pipe 23 of smaller power begins the energising heating again; Very fast heat-generating disc temperature rises; When reaching holding temperature, the insulation temperature controller breaks off heat-generating pipe 23 power supplys of smaller power once more, and going round and beginning again makes water remain on the temperature of setting.
The temperature-sensitive flip flop equipment of the utility model is the single motion type; Different with the auto-action of insulation temperature controller; In case breaking off electrical contact, the temperature-sensitive flip flop equipment can not automatically reset; As need reset then need equitemperature to lower after, press work button 25 again, promote to reset push rod 11 to carry out hand-reset.Because soft magnetic bodies 3 has dropped to below the Curie temperature; Through manually pressing work button 25; The permanent magnet 4 of second arm of force end that makes seesaw 5 is once again by soft magnetic bodies 3 adhesives, thereby the contact condition of contact 9.1 is decided in recovery and protection moving contact 8.1 and protection, to heat once more.Dropped to Curie point when following in soft magnetic bodies 3,, must make the magnetic attraction of the elastic force of elastic sheet metal 8, made permanent magnet 4 when leaving state, can not inhaled back voluntarily greater than soft magnetic bodies 3 for making its not adhesive permanent magnet 4 voluntarily; And when attracting state, the magnetic attraction of soft magnetic bodies 3 must be greater than the elastic force of elastic sheet metal 8.About the design of soft magnetic bodies 3 with the distance of permanent magnet 4 when separating; Can do not inhaled back by soft magnetic bodies 3 is principle, and this distance is also relevant with magnetic flux (magnetic conductivity) rate of change of soft magnetic bodies 3 when the curie point, when rate of change is very little; Then distance can be big, if when rate of change is very big then distance can be littler.
This kind temperature-sensitive flip flop equipment is not limited to be applied to the control that electric kettle boils water with the structure of insulation temperature controller associating, also can be applied in the liquid electric heater tool or the electric heating appliance of other type, realizes the accurate control that all temps requires.Certainly, just list here and lifted two kinds of preferred implementation, the protection category that other is equal to, structure roughly the same all should belong to this patent repeats no more here.
Claims (9)
1. thermal-insulating type magnetic control-temperature electric heating kettle; Include the electric heating element of kettle body, pot lid, kettle handle, base and kettle body bottom surface; On base, be provided with the lever work button of band energy-stored spring sheet, the work button also is provided with the temperature-sensitive substrate through the hinge supporting in kettle body bottom surface; The temperature-sensitive substrate is provided with temperature-sensitive flip flop equipment and insulated leg; The elastic sheet metal fixed touch plate that contact decide in protection with band of band protection moving contact is set on insulated leg, but the electrical contact of a pair of break-make power supply of contact formation is decided in protection moving contact and protection, it is characterized in that: said temperature-sensitive flip flop equipment comprises soft magnetic bodies, permanent magnet, leverage with predetermined Curie point, push rod and outer cover reset; Said temperature-sensitive substrate is close on the thin walled shell of kettle body bottom surface; Said soft magnetic bodies is connected with the temperature-sensitive substrate contacts, and first arm of force end of said leverage is connected with the protection moving contact of said elastic sheet metal, and second arm of force end of said leverage connects through the corresponding magnetic with said soft magnetic bodies of described permanent magnet; Second arm of force end at said leverage is provided with outer cover; Said outer cover is fixedly connected with the temperature-sensitive substrate, is provided with second arm of force end promotion that receives leverage in the outer cover and the push rod that resets that slides up and down, and the exposed junction of the push rod that resets contacts with the energy-stored spring sheet trigger end of work button.
2. electric kettle according to claim 1; It is characterized in that; Described leverage comprises seesaw and seesaw bearing, and first arm of force end of said seesaw is connected with the free end of said elastic sheet metal through the insulation porcelain knob, and said permanent magnet is arranged on second arm of force end of said seesaw.
3. electric kettle according to claim 1 and 2 is characterized in that, described seesaw bearing band V-type groove, and described seesaw is " Z " word shape, the fulcrum shaft at said seesaw middle part is located in the said V-type groove.
4. electric kettle according to claim 1 and 2; It is characterized in that; Also be provided with one group on the described insulated leg in addition by bimetal leaf, reed mechanism, the second insulation porcelain knob, another insulation thermostat that electrical contact is constituted; Described bimetal leaf is as the insulation thermal sensitive piece, and the insulation thermostat forms parallel circuit through binding post and temperature-sensitive flip flop equipment.
5. electric kettle according to claim 4; It is characterized in that; Described electric heating element adopts the structure of two heat-generating pipes, and a more powerful heat-generating pipe is connected with the electrical contact of temperature-sensitive flip flop equipment, is responsible for the boiling water heating; Article one, the heat-generating pipe of smaller power is connected with the electrical contact of temperature controller, is responsible for the insulation heating.
6. electric kettle according to claim 1 and 2 is characterized in that described electric heating element adopts single heat-generating pipe, and this heat-generating pipe is connected with the electrical contact of temperature-sensitive flip flop equipment and the electrical contact of temperature controller simultaneously.
7. electric kettle according to claim 3 is characterized in that, described temperature-sensitive substrate is aluminium, copper or stainless nonmagnetic metal plate.
8. electric kettle according to claim 3 is characterized in that, the material of said outer cover is plastics, pottery or nonmagnetic material, and the material of said seesaw bearing is plastics or nonmagnetic material, and the material of seesaw is a nonmagnetic material.
9. electric kettle according to claim 1 and 2 is characterized in that, the material of the said push rod that resets is plastics, pottery or nonmagnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204372819U CN202312844U (en) | 2011-11-07 | 2011-11-07 | Heat preservation type magnetic temperature control electric kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204372819U CN202312844U (en) | 2011-11-07 | 2011-11-07 | Heat preservation type magnetic temperature control electric kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202312844U true CN202312844U (en) | 2012-07-11 |
Family
ID=46424856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204372819U Expired - Lifetime CN202312844U (en) | 2011-11-07 | 2011-11-07 | Heat preservation type magnetic temperature control electric kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202312844U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392749A (en) * | 2014-10-08 | 2015-03-04 | 中国科学院合肥物质科学研究院 | Passive shutdown protection system of accelerator-driven undercritical system |
| CN107550494A (en) * | 2017-10-30 | 2018-01-09 | 长春工业大学 | A kind of medical treatment device for being used to monitor the physiology lung state of user |
| CN109393967A (en) * | 2018-12-17 | 2019-03-01 | 佛山市顺德区奇伟电器有限公司 | A kind of electric heating pedestal |
| CN110893070A (en) * | 2018-11-14 | 2020-03-20 | 詹华春 | Electric kettle temperature control method and electric kettle |
-
2011
- 2011-11-07 CN CN2011204372819U patent/CN202312844U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392749A (en) * | 2014-10-08 | 2015-03-04 | 中国科学院合肥物质科学研究院 | Passive shutdown protection system of accelerator-driven undercritical system |
| CN107550494A (en) * | 2017-10-30 | 2018-01-09 | 长春工业大学 | A kind of medical treatment device for being used to monitor the physiology lung state of user |
| CN110893070A (en) * | 2018-11-14 | 2020-03-20 | 詹华春 | Electric kettle temperature control method and electric kettle |
| CN109393967A (en) * | 2018-12-17 | 2019-03-01 | 佛山市顺德区奇伟电器有限公司 | A kind of electric heating pedestal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |