CN112914359A - Automatic water-checking thermos - Google Patents
Automatic water-checking thermos Download PDFInfo
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- CN112914359A CN112914359A CN202110383656.6A CN202110383656A CN112914359A CN 112914359 A CN112914359 A CN 112914359A CN 202110383656 A CN202110383656 A CN 202110383656A CN 112914359 A CN112914359 A CN 112914359A
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- water
- floater
- cylinder
- heat exchange
- assembly
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
- A47J27/21091—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water of electronic type
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
- A47J27/21066—Details concerning the mounting thereof in or on the water boiling vessel
- A47J27/21075—Details concerning the mounting thereof in or on the water boiling vessel relating to the boiling sensor or to the channels conducting the steam thereto
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
- A47J27/2115—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water using a float
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21166—Constructional details or accessories
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses a thermos with automatic water detection, which comprises: the water storage component, the hot water component and the sensing device are arranged on the water storage component; the hot water assembly is arranged at the upper part of the water storage assembly, the water storage assembly is communicated with the hot water assembly through a water inlet pipe, and a water pump is arranged on the water inlet pipe; the hot water assembly comprises a kettle body, a handle is arranged on one side of the kettle body, a side guide part is arranged on one side of the kettle body, which is opposite to the handle, a water level pipe is arranged on the outer side of the side guide part, and a floater is arranged in the water level pipe; the bottom of the water level pipe is provided with a switch; the sensing device is used for detecting the position of the floater and controlling the on or off of the switch according to the change frequency of the height of the floater. According to the invention, the sensing device is arranged, and the switch is controlled to be turned on or off according to the change frequency of the height of the floater, so that the floater in the hot water kettle is prevented from floating up and down greatly, the floater impacts the top wall up and down, the floater is easy to damage, and the service life of the floater is influenced.
Description
Technical Field
The invention relates to the field of daily household appliances, in particular to a thermos with an automatic water detection function.
Background
The existing electric kettle has no dry burning prevention function, when water in the electric kettle is boiled, if people forget to disconnect the power supply of the electric kettle when going out, the water in the electric kettle can be burnt, and the electric kettle is easily burnt out or even burnt after being burnt out, so that fire accidents are caused. In order to overcome the technical problems, the conventional electric kettle realizes the dry heating prevention function through a floater.
At present, when water is completely boiled, the float in the hot water kettle floats up and down greatly, so that the float impacts the top wall up and down, the float is easily damaged, and the service life of the float is influenced.
Disclosure of Invention
The invention provides an automatic water detection thermos, which solves the problem that when the water in the existing automatic water detection thermos is completely boiled, the float in the thermos floats up and down greatly, so that the float impacts the top wall up and down, the float is easy to damage, and the service life of the float is influenced.
The technical scheme adopted by the invention is as follows:
an automatic water-detecting hot water kettle, comprising:
a water storage assembly;
a hot water assembly; the hot water assembly is arranged at the upper part of the water storage assembly, the water storage assembly is communicated with the hot water assembly through a water inlet pipe, and a water pump is arranged on the water inlet pipe; the hot water assembly comprises a kettle body, a handle is arranged on one side of the kettle body, a side guide part is arranged on one side of the kettle body, which is opposite to the handle, a water level pipe is arranged on the outer side of the side guide part, and a floater is arranged in the water level pipe; the bottom of the water level pipe is provided with a switch; and
and the sensing device is used for detecting the position of the floater and controlling the switch to be switched on or switched off according to the change frequency of the height of the floater. According to the invention, the sensing device is arranged, and the switch is controlled to be turned on or off according to the change frequency of the height of the floater, so that the floater in the hot water kettle is prevented from floating up and down greatly, the floater impacts the top wall up and down, the floater is easy to damage, and the service life of the floater is influenced.
Optionally, the water heater further comprises a machine body, the water storage assembly is installed in the machine body, a fixed box is installed at the top of the machine body, and the hot water assembly is installed at the top of the fixed box.
Optionally, the water inlet pipe is provided with an electromagnetic valve.
Optionally, the control device further comprises a control unit, the sensing device is electrically connected with the control unit, the control unit is electrically connected with the switch, and the control unit controls the switch to be turned on or turned off according to the change frequency of the height of the float by receiving the signal of the sensing device.
Optionally, a magnet column is arranged in the floater, a return pipeline is externally connected to the top of the water level pipe, and the return pipeline is externally connected to the upper portion of the kettle body.
Optionally, the sensing device is mounted inside the side guide part; the sensing device comprises a movable vertical groove and a fixed power supply, wherein the movable vertical groove is arranged in a mounting shell and is close to one side of a water level pipe, an iron cylinder is arranged in the movable vertical groove and is used for driving the iron cylinder to move up and down, the iron cylinder comprises a base with a gap with the movable vertical groove, a top column is arranged on the base, a contact disc is arranged at the top of the top column, a resistance cylinder arranged at the upper part and a heat exchange cylinder arranged at the lower part are arranged on the side wall of the movable vertical groove, the resistance cylinder comprises an inner cylinder body made of a larger resistance material, an outer cylinder body is sleeved outside the inner cylinder body, and a fixed column is arranged between the; an upper heat exchange cavity convenient for steam to enter is formed among the outer barrel, the fixed column and the inner barrel, a lower heat exchange cavity connected with the upper heat exchange cavity is arranged in the heat exchange barrel, an air outlet pipe is externally connected with the upper heat exchange cavity, the lower heat exchange cavity is externally connected with a return pipeline through an air inlet pipe, an insulating layer is laid inside a cavity, close to the inner barrel, of the heat exchange cavity, conductive reinforcing rods electrically connected with the inner barrel are installed in the fixed column, multiple groups of the conductive reinforcing rods are connected with conductive fixing rings, wiring columns are arranged at the tops of the conductive fixing rings, wiring columns are electrically connected with the negative electrode of a fixed power supply through wires, the bottom of the iron cylinder is connected with the bottom of a movable vertical groove through conductive springs made of copper, the conductive springs are electrically connected with the positive electrode of the. The conductive reinforcing rod plays a role in reinforcing and conducting electricity.
Optionally, the periphery of the conductive spring is provided with a non-flammable hot melt adhesive; the iron cylinder is adhered to the hot melt adhesive due to the tensile force of the spring when not in use.
Optionally, the current recorder is electrically connected to the control unit, and is configured to transmit the current signal to the control unit. If the sensor adopts a photosensitive signal, water drops are fully hung on the inner wall of the water level pipe because a large amount of water vapor enters the water level pipe, so that light transmission is not sensitive and the use is influenced. According to the invention, the magnet column is arranged in the floater and is used for driving the iron column to move up and down, the electric shock disc is contacted with the inner cylinder of the resistance cylinder by the up-and-down movement of the iron column, so that the circuit of the whole closed circuit contacted by the inner cylinder is changed, the current recorder records the change signal and transmits the change signal to the control unit, and the control unit closes the switch when the change frequency exceeds a preset threshold value according to the change of the circuit signal, so that the floater is prevented from being damaged; when the iron cylinder is not used, the iron cylinder is driven by the magnet column to move downwards to be adhered to the hot melt adhesive; only when a large amount of backflow steam enters the lower heat exchange cavity to melt the hot melt adhesive, and the position of the magnet column is higher than the top of the hot melt adhesive, the iron column body can be separated from the hot melt adhesive under the action of the spring and can freely stretch and bounce; preferably, the melting point of the hot melt adhesive is 60-80 ℃, the iron cylinder does not touch the top wall due to the action of nitrogen gas at the top and the action of a spring, so that the hot melt adhesive is not easy to damage, photosensitive signals do not exist, and as a large amount of water vapor enters the water level pipe, water drops are fully hung on the inner wall of the water level pipe, so that light transmission is not sensitive, and the use defect is influenced; the hot melt adhesive is arranged, so that the defect that the float is driven to move up and down to trigger the switch due to the rise of the water level is overcome.
Optionally, the electric touch panel separates the movable vertical groove into another two independent cavities, the cavity located at the upper portion is filled with nitrogen at a certain air pressure, and the cavity located at the lower portion is also filled with nitrogen at a lower air pressure than the upper cavity. The electric shock disc ascends to compress nitrogen in the cavity at the upper part, so that the electric shock disc plays a role of buffering the electric shock disc, the electric shock disc also moves downwards to provide certain power, and the nitrogen plays a role of flame retardance.
(III) advantageous effects
1. According to the invention, the sensing device is arranged, and the switch is controlled to be turned on or off according to the change frequency of the height of the floater, so that the floater in the hot water kettle is prevented from floating up and down greatly, the floater impacts the top wall up and down, the floater is easy to damage, and the service life of the floater is influenced.
2. The conductive reinforcing rod plays a role in reinforcing and conducting electricity.
3. According to the invention, the magnet column is arranged in the floater and is used for driving the iron column to move up and down, the electric shock disc is contacted with the inner cylinder of the resistance cylinder by the up-and-down movement of the iron column, so that the circuit of the whole closed circuit contacted by the inner cylinder is changed, the current recorder records the change signal and transmits the change signal to the control unit, and the control unit closes the switch when the change frequency exceeds a preset threshold value according to the change of the circuit signal, so that the floater is prevented from being damaged; when the iron cylinder is not used, the iron cylinder is driven by the magnet column to move downwards to be adhered to the hot melt adhesive; only when a large amount of backflow steam enters the lower heat exchange cavity to melt the hot melt adhesive, and the position of the magnet column is higher than the top of the hot melt adhesive, the iron column body can be separated from the hot melt adhesive under the action of the spring and can freely stretch and bounce; preferably, the melting point of the hot melt adhesive is 60-80 ℃, the iron cylinder does not touch the top wall due to the action of nitrogen gas at the top and the action of a spring, so that the hot melt adhesive is not easy to damage, photosensitive signals do not exist, and as a large amount of water vapor enters the water level pipe, water drops are fully hung on the inner wall of the water level pipe, so that light transmission is not sensitive, and the use defect is influenced; the hot melt adhesive is arranged, so that the defect that the float is driven to move up and down to trigger the switch due to the rise of the water level is overcome.
4. The electric shock disc ascends to compress nitrogen in the cavity at the upper part, so that the electric shock disc plays a role of buffering the electric shock disc, the electric shock disc also moves downwards to provide certain power, and the nitrogen plays a role of flame retardance.
Description of the drawings:
fig. 1 is an external structure view of an automatic water-detecting hot water kettle according to embodiment 1 of the present invention;
fig. 2 is an internal structure view of an automatic water-detecting hot water kettle according to embodiment 1 of the present invention;
fig. 3 is a flow chart of a control unit of the automatic water detection thermos according to the embodiment 1 of the present invention;
fig. 4 is an internal structure view of an automatic water detection hot water kettle according to embodiment 2 of the present invention;
fig. 5 is a partially enlarged view of a portion a of fig. 4 of the automatic water inspection hot water kettle according to embodiment 2 of the present invention;
FIG. 6 is a sectional view of a resistor cylinder of an automatic water inspection hot water kettle according to embodiment 2 of the present invention;
FIG. 7 is a structural view of a conductive reinforcing rod, a conductive fixing ring and a binding post of the automatic water inspection hot-water bottle according to embodiment 2 of the present invention;
fig. 8 is a flow chart of a control unit of the automatic water detection thermos according to the embodiment 2 of the present invention.
The figures are numbered:
1. the water storage device comprises a water storage assembly, 2, a hot water assembly, 3, a sensing device, 4, a water inlet pipe, 5, a water pump, 6, a kettle body, 7, a handle, 8, a side guide part, 9, a water level pipe, 10, a floater, 11, a switch, 12, a machine body, 13, a fixed box, 14, an electromagnetic valve, 15, a control unit, 16, a movable vertical groove, 17, an iron cylinder, 18, a base, 19, a top column, 20, a touch electric plate, 21, a resistance cylinder, 22, a heat exchange cylinder, 23, an inner cylinder body, 24, an upper heat exchange cavity, 25, a lower heat exchange cavity, 26, an air outlet pipe, 27, an insulating layer, 28, a conductive reinforcing rod, 29, a conductive fixed ring, 30, a magnet column, 31, a return pipeline, 32, a binding post, 33, a conductive spring, 34, a current recorder, 35, hot melt adhesive, 36, an air inlet pipe.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, the technical solution adopted by the present invention is as follows:
an automatic water-detecting hot water kettle, comprising: the water storage component 1, the hot water component 2 and the sensing device 3;
the hot water assembly is arranged at the upper part of the water storage assembly, the water storage assembly is communicated with the hot water assembly through a water inlet pipe 4, and a water pump 5 is arranged on the water inlet pipe; the hot water assembly comprises a kettle body 6, a handle 7 is arranged on one side of the kettle body, a side guide part 8 is arranged on one side of the kettle body, which is opposite to the handle, a water level pipe 9 is arranged on the outer side of the side guide part, and a floater 10 is arranged in the water level pipe; the bottom of the water level pipe is provided with a switch 11; the sensing device is used for detecting the position of the floater and controlling the on or off of the switch according to the change frequency of the height of the floater. Still include organism 12, in the water storage component installation organism, the organism top is equipped with fixed case 13, the top of the fixed case of hot water component installation. The water inlet pipe is provided with an electromagnetic valve 14. The control device is characterized by further comprising a control unit 15, the sensing device is electrically connected with the control unit, the control unit is electrically connected with the switch, and the control unit receives signals of the sensing device and controls the switch to be turned on or turned off according to the change frequency of the height of the floater.
Example 2
As shown in fig. 4, 5, 6, 7 and 8, the present embodiment 2 is different from the embodiment 1 in that a magnet column 30 is provided in the float, a return pipe 31 is externally connected to the top of the water level pipe, and the return pipe is externally connected to the upper part of the kettle body. The sensing device is arranged on the inner side of the side guide part; the sensing device comprises a movable vertical groove 16 and a fixed power supply, wherein the movable vertical groove 16 is arranged in a mounting shell and is close to one side of a water level pipe, an iron cylinder 17 is arranged in the movable vertical groove, the iron cylinder comprises a base 18 which has a gap with the movable vertical groove, a top post 19 is arranged on the base, a contact disc 20 is arranged at the top of the top post, a resistance cylinder 21 arranged at the upper part and a heat exchange cylinder 22 arranged at the lower part are arranged on the side wall of the movable vertical groove, the resistance cylinder comprises an inner cylinder 23 made of a large resistance material, an outer cylinder 37 is sleeved outside the inner cylinder, and a fixed column 38 is arranged between the outer cylinder and the inner; an upper heat exchange cavity 24 convenient for introducing steam is formed among the outer cylinder body, the fixed columns and the inner cylinder body, a lower heat exchange cavity 25 connected with an upper heat exchange cavity is arranged in the heat exchange cylinder, the upper heat exchange cavity is externally connected with an air outlet pipe 26, the air outlet pipe is externally connected with the outside, the lower heat exchange cavity is externally connected with a return pipeline through an air inlet pipe 36, the inner part of the cavity of the heat exchange cavity, which is close to the inner cylinder body, is laid with an insulating layer 27, the fixed columns are internally provided with conductive reinforcing rods 28 electrically connected with the inner cylinder body, a plurality of groups of the conductive reinforcing rods are connected with conductive fixed rings 29, the top of the conductive fixing ring is provided with a wiring post 32 which is electrically connected with the negative pole of the fixed power supply through a conducting wire, the bottom of iron cylinder is connected the bottom that the activity erects the groove through the electrically conductive spring 33 of copper, electrically conductive spring passes through the positive pole of wire electric connection fixed power supply, be equipped with current recorder 34 on the wire. The conductive reinforcing rod plays a role in reinforcing and conducting electricity. The periphery of the conductive spring is provided with a non-flammable hot melt adhesive 35; the iron cylinder is adhered to the hot melt adhesive due to the tensile force of the spring when not in use. The air outlet pipe of the invention can be additionally provided with an air pump to accelerate the air flow.
The current recorder is electrically connected with the control unit and used for transmitting the current signal to the control unit. If the sensor adopts a photosensitive signal, water drops are fully hung on the inner wall of the water level pipe because a large amount of water vapor enters the water level pipe, so that light transmission is not sensitive and the use is influenced. The electric shock disc separates the movable vertical groove into another two independent cavities, the cavity positioned at the upper part is filled with nitrogen with certain air pressure, and the cavity positioned at the lower part is also filled with nitrogen with air pressure lower than that of the cavity at the upper part. The electric shock disc ascends to compress nitrogen in the cavity at the upper part, so that the electric shock disc plays a role of buffering the electric shock disc, the electric shock disc also moves downwards to provide certain power, and the nitrogen plays a role of flame retardance. The melting point of the hot melt adhesive is 60-80 ℃.
In the implementation of the embodiment, the magnet column is arranged in the floater and used for driving the iron column to move up and down, the electric shock disc is contacted with the inner cylinder of the resistance cylinder by the up-and-down movement of the iron column, so that the inner cylinder is contacted with a circuit of the whole closed circuit, the current recorder records a change signal and transmits the change signal to the control unit, and the control unit closes the switch when the change frequency exceeds a preset threshold value according to the change of the circuit signal so as to avoid damaging the floater; when the iron cylinder is not used, the iron cylinder is driven by the magnet column to move downwards to be adhered to the hot melt adhesive; only when a large amount of backflow steam enters the lower heat exchange cavity to melt the hot melt adhesive, and the position of the magnet column is higher than the top of the hot melt adhesive, the iron column body can be separated from the hot melt adhesive under the action of the spring and can freely stretch and bounce; the iron cylinder does not touch the top wall due to the action of nitrogen at the top and the action of a spring, so that the iron cylinder is not easy to damage, no photosensitive signal is adopted, and as a large amount of water vapor enters the water level pipe, water drops are fully hung on the inner wall of the water level pipe, so that the light transmission is not sensitive, and the use defect is influenced; the hot melt adhesive is arranged, so that the defect that the float is driven to move up and down to trigger the switch due to the rise of the water level is overcome.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.
Claims (9)
1. An automatic water-detecting thermos, characterized in that it comprises:
a water storage assembly;
a hot water assembly; the hot water assembly is arranged at the upper part of the water storage assembly, the water storage assembly is communicated with the hot water assembly through a water inlet pipe, and a water pump is arranged on the water inlet pipe; the hot water assembly comprises a kettle body, a handle is arranged on one side of the kettle body, a side guide part is arranged on one side of the kettle body, which is opposite to the handle, a water level pipe is arranged on the outer side of the side guide part, and a floater is arranged in the water level pipe; the bottom of the water level pipe is provided with a switch; and
and the sensing device is used for detecting the position of the floater and controlling the switch to be switched on or switched off according to the change frequency of the height of the floater.
2. The automatic water-detecting thermos according to claim 1, further comprising a body, wherein the water storage assembly is mounted in the body, a fixed tank is mounted on the top of the body, and the hot water assembly is mounted on the top of the fixed tank.
3. The automatic water inspection thermos of claim 1 wherein the inlet tube is fitted with a solenoid valve.
4. The automatic water detection thermos according to claim 1, further comprising a control unit, wherein the sensing device is electrically connected to the control unit, the control unit is electrically connected to the switch, and the control unit controls the switch to be turned on or off according to the frequency of the float height change by receiving the signal from the sensing device.
5. The automatic water-detecting thermos according to claim 4, wherein a magnet post is provided in the float, and a return line is externally connected to the top of the water level tube, and the return line is externally connected to the upper portion of the body.
6. The automatic water detection thermos of claim 5 wherein said sensing means is mounted inside the side guides; the sensing device comprises a movable vertical groove and a fixed power supply, wherein the movable vertical groove is arranged in a mounting shell and is close to one side of a water level pipe, an iron cylinder is arranged in the movable vertical groove and is used for driving the iron cylinder to move up and down, the iron cylinder comprises a base with a gap with the movable vertical groove, a top column is arranged on the base, a contact disc is arranged at the top of the top column, a resistance cylinder arranged at the upper part and a heat exchange cylinder arranged at the lower part are arranged on the side wall of the movable vertical groove, the resistance cylinder comprises an inner cylinder body made of resistance materials, an outer cylinder body is sleeved outside the inner cylinder body, and a fixed column is arranged between the outer cylinder; an upper heat exchange cavity convenient for steam to enter is formed among the outer barrel, the fixed column and the inner barrel, a lower heat exchange cavity connected with the upper heat exchange cavity is arranged in the heat exchange barrel, an air outlet pipe is externally connected with the upper heat exchange cavity, the lower heat exchange cavity is externally connected with a return pipeline through an air inlet pipe, an insulating layer is laid inside a cavity, close to the inner barrel, of the heat exchange cavity, conductive reinforcing rods electrically connected with the inner barrel are installed in the fixed column, multiple groups of the conductive reinforcing rods are connected with conductive fixing rings, wiring columns are arranged at the tops of the conductive fixing rings, wiring columns are electrically connected with the negative electrode of a fixed power supply through wires, the bottom of the iron cylinder is connected with the bottom of a movable vertical groove through conductive springs made of copper, the conductive springs are electrically connected with the positive electrode of the.
7. The automatic water detection hot water kettle according to claim 6, wherein the conductive spring is provided with a non-flammable hot melt adhesive at the periphery thereof, and the iron cylinder is adhered to the hot melt adhesive when not in use.
8. The automatic water detection kettle according to claim 6, wherein said current recorder is electrically connected to the control unit for transmitting a current signal to the control unit.
9. The automatic water-detecting hot-water bottle as claimed in claim 6, wherein the electric-contact plate separates the movable vertical groove into two separate cavities, the upper cavity is filled with nitrogen gas at a certain pressure, and the lower cavity is also filled with nitrogen gas at a pressure lower than that of the upper cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110383656.6A CN112914359B (en) | 2021-04-09 | 2021-04-09 | Automatic water-checking thermos |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110383656.6A CN112914359B (en) | 2021-04-09 | 2021-04-09 | Automatic water-checking thermos |
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| CN112914359A true CN112914359A (en) | 2021-06-08 |
| CN112914359B CN112914359B (en) | 2022-01-14 |
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| CN102356999A (en) * | 2011-09-05 | 2012-02-22 | 温尚武 | Water jug |
| CN202820911U (en) * | 2012-09-04 | 2013-03-27 | 美的集团股份有限公司 | Electrical pressure cooker with pressure limiting power off function |
| CN204909057U (en) * | 2015-08-10 | 2015-12-30 | 中山市积高电器制造有限公司 | Prevent electric kettle of dry combustion method |
| CN207269013U (en) * | 2017-10-24 | 2018-04-24 | 山东科技大学 | A kind of electric system protection device |
| CN107811506A (en) * | 2017-12-11 | 2018-03-20 | 余姚市磊锋塑模制品有限公司 | A kind of anti-electric kettle dryouied |
| CN208892279U (en) * | 2018-03-23 | 2019-05-24 | 新沂市大明科技开发有限公司 | Health herbal cuisine pot |
| CN210095458U (en) * | 2019-05-07 | 2020-02-21 | 福建省德化县盛鼎瓷艺有限公司 | Ceramic soup pot with good heat insulation effect |
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