CN214180100U - Dry burning prevention structure of liquid heater and liquid heater - Google Patents
Dry burning prevention structure of liquid heater and liquid heater Download PDFInfo
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- CN214180100U CN214180100U CN202022588184.1U CN202022588184U CN214180100U CN 214180100 U CN214180100 U CN 214180100U CN 202022588184 U CN202022588184 U CN 202022588184U CN 214180100 U CN214180100 U CN 214180100U
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Abstract
The utility model discloses an anti-dry burning structure of a liquid heater, which comprises a heating disc for heating liquid and a temperature controller, wherein the heating disc is of a high-low step structure and comprises a high step surface and a low step surface; the heating temperature of the high step surface of the heating plate is lower than that of the low step surface of the heating plate; the temperature controller is used for detecting the heating temperature of the high step surface of the heating plate. The utility model discloses a prevent dry combustion method structure sets to high low stair structure through the dish that will generate heat, and the heating temperature who generates heat and set high stair face is less than the heating temperature of low stair face, and when the water level was burnt to being less than high stair face, the temperature controller can sense its surface temperature and show and rise, judges that it is for dry combustion method state and stop heating to guarantee certain residual water volume, also can not fry in shallow oil the paste with the medicine simultaneously.
Description
Technical Field
The utility model relates to a life electrical apparatus technical field, concretely relates to liquid heater prevents dry combustion method structure and liquid heater.
Background
Liquid heaters are widely used in household life, such as electric kettles, electric medicine decocting kettles, and the like. For most of the electric decocting pots in the market, the heating power is controlled in two ways, one is to control the heating power by time, and the decocting pot cannot directly sense the ambient temperature and the water quantity, so that the precise control is difficult to achieve. The other is to control the heating power by detecting the water temperature by using a temperature sensing probe, but the temperature sensing of the temperature sensing probe is often inaccurate because the temperature sensing probe is covered by medicine dregs.
In addition, most of the existing electric decocting pots cannot accurately control the residual water amount, which is influenced by the medicinal materials, the environmental temperature or the initial water adding amount, and thus the control is difficult in procedure. In order to solve the problem, some existing electric medicine decocting pots control the residual water quantity by using a dry-burning tripping mode, but the traditional Chinese medicines are burnt and burnt due to overhigh temperature in the dry-burning process, so that the health of a user is damaged.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a liquid heater prevents dry combustion method structure and liquid heater.
The utility model discloses a solve the technical scheme that its problem adopted and be:
the utility model discloses the first aspect provides a liquid heater's dry combustion method structure, including being used for the heating plate of heating liquid and being used for detecting the temperature controller of heating plate heating temperature, wherein:
the heating plate is of a high-low step structure and comprises a high step surface and a low step surface; the heating temperature of the high step surface of the heating plate is lower than that of the low step surface of the heating plate;
the temperature controller is used for detecting the heating temperature of the high step surface of the heating plate.
Therefore, when the water level is boiled to be lower than the high step surface, the surface temperature of the high step surface can be obviously increased because no water is cooled, and the heating plate can be judged to be in a dry-burning state and immediately stops heating through detection of the temperature controller so as to ensure the stable residual water quantity. In addition, because the heating temperature of the high-step surface is low, the temperature is not too high even if the high-step surface is in a dry-burning state, thereby preventing the medicine from being burnt.
The utility model discloses a prevent dry combustion method structure sets to high low stair structure through the dish that will generate heat, and the heating temperature of high stair face is less than the heating temperature of low stair face, and when the water level was burnt to being less than high stair face, the temperature controller can sense its surface temperature and show and rise, judges that it is for dry combustion method state and stop heating to guarantee certain residual water volume, also can not fry in shallow oil the medicine simultaneously and stick with the paste.
Furthermore, a first heating body for heating the high step surface and a second heating body for heating the low step surface are arranged in the heating plate, and the first heating body and the second heating body share one heating source so as to heat the first heating body and the second heating body simultaneously.
Therefore, when the first heating body and the second heating body generate heat, the heat can be respectively transferred to the high step surface and the low step surface of the heating plate, and then transferred to the water in the kettle to play a role in decocting the medicines.
Further, the first heating body is a first metal plate, the second heating body is a second metal plate, and the first metal plate and the second metal plate are heated simultaneously through the heating tube.
Further, the cross section of the heating tube is in an inverted trapezoid shape with a wide upper part and a narrow lower part, the first metal plate is attached to the bottom surface of the heating tube, and the second metal plate is attached to the top surface of the heating tube.
Therefore, the contact area of the first metal plate and the heating tube is smaller than the contact area of the second metal plate and the heating tube, so that the heating temperature of the first metal plate is lower than that of the second metal plate, and the heating temperature of the high step surface of the heating plate is lower than that of the low step surface.
Further, the first metal plate is a bending structure and comprises an upper plate with a height difference, a lower plate and a middle plate for connecting the upper plate and the lower plate, wherein:
the top surface of the upper plate is attached to the inner surface of the high-step surface of the heating plate, the top surface of the lower plate is attached to the bottom surface of the heating tube, and the heating tube transfers heat to the high-step surface of the heating plate through the first metal plate.
Therefore, the heating tube generates heat and transmits the heat to the lower plate, the middle plate and the upper plate in sequence, and finally transmits the heat to the high step surface of the heating plate. During the heat transfer process, the heat will be gradually lost, and finally the heating temperature of the high-order table top of the heating plate is lower.
Further, the second metal plate is flat, the top surface of the second metal plate is attached to the inner surface of the low step surface of the heating plate, the bottom surface of the second metal plate is attached to the top surface of the heating tube, and the heating tube transfers heat to the low step surface of the heating plate through the second metal plate.
Therefore, the heating pipe generates heat and transfers the heat to the second metal plate, and then transfers the heat to the low step surface of the heating plate. In the heat transfer process, the heat loss is less, so that the heating temperature of the low step surface of the heating plate is higher.
Further, the temperature controller is attached to the inner surface of the high step surface of the heating plate.
Further, the temperature controller is attached to the bottom surface of the upper plate.
Further, the temperature controller is an NTC temperature controller.
From this, through setting up the NTC temperature controller, it detects the precision and is higher than traditional temperature controller to can detect the heat-generating body fast or generate heat a set surface water shortage dry combustion method temperature, and cut off the source power that generates heat at the very first time, thereby shorten the dry combustion method time, avoid the long-time dry combustion method of medicinal material.
Additionally, the utility model discloses the second aspect still provides a liquid heater, be in including the kettle body and setting the dry combustion method structure as the first aspect provides of kettle body bottom, wherein:
the kettle body is provided with a heating plate support below, and the heating plate is detachably mounted on the heating plate support.
To sum up, the utility model discloses a liquid heater's dry combustion method preventing structure and liquid heater has following technological effect:
(1) by setting the heating plate into a high-low step structure, when the water level is burnt to be lower than the high step surface, the temperature controller can sense that the surface temperature of the water level is obviously increased, judge that the water level is in a dry burning state and stop heating, thereby ensuring certain residual water amount.
(2) The high step surface of the heating plate mainly plays a role in sensing temperature, the surface heating temperature of the heating plate is not too high, and the medicine cannot be burnt even if the heating plate is in a dry-fire state.
(3) Through setting up the NTC temperature controller, it detects the precision and is higher than traditional temperature controller to can detect the heat-generating body fast or generate heat a set surface lack of water dry combustion method temperature, and cut off the source power that generates heat in the very first time, thereby shorten the dry combustion method time, avoid the long-time dry combustion method of medicinal material.
Drawings
FIG. 1 is a schematic view of a part of the structure of the liquid heater of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a partial enlarged view of portion B of FIG. 1;
fig. 4 is a schematic view of a part of a liquid heater according to another embodiment of the present invention.
Wherein the reference numerals have the following meanings:
1. a heating plate; 11. a high step surface; 12. a low step surface; 13. a stud; 14. a first horizontal portion; 15. a first vertical portion; 2. a temperature controller; 31. a first metal plate; 311. an upper plate; 312. a middle plate; 313. a lower plate; 32. a second metal plate; 33. a heat generating tube; 4. a kettle body; 5. a heating plate support; 6. a sealing gasket; 61. a second horizontal portion; 611. a sawtooth structure; 62. a second vertical portion; 7. and (4) screws.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example one
Referring to fig. 1-3, an embodiment of the present invention provides an anti-dry heating structure for a liquid heater, including a heating plate 1 for heating a liquid and a temperature controller 2 for detecting a heating temperature of the heating plate 1. The heating plate 1 has a high-low step structure and includes a high step surface 11 and a low step surface 12. The heating plate 1 is provided with a first heating body for heating the high step surface 11 and a second heating body for heating the low step surface 12, and the first heating body and the second heating body share one heating source to heat the first heating body and the second heating body simultaneously. The temperature controller 2 is used for detecting the heating temperature of the high step surface 11 of the heating plate 1.
In the present embodiment, the first heat generating body is a first metal plate 31, the second heat generating body is a second metal plate 32, the heat generating source is a heat generating pipe 33, and both the first metal plate 31 and the second metal plate 32 are heated simultaneously by the heat generating pipe 33.
Referring to fig. 1-2, the first metal plate 31 is a bent structure and includes an upper plate 311, a lower plate 313 and a middle plate 312, the upper plate 311 and the lower plate 313 have a height difference, the top surface of the upper plate 311 is attached to the inner surface of the high step surface 11 of the heating plate 1, the lower plate 313 is attached to the heating tube 33, and the heating tube 33 transmits heat to the high step surface 11 of the heating plate 1 through the first metal plate 31. The second metal plate 32 is flat, and has a top surface attached to the inner surface of the low step surface 12 of the heating plate 1 and a bottom surface attached to the heating tube 33, and the heating tube 33 transfers heat to the low step surface 12 of the heating plate 1 through the second metal plate 32.
In the present embodiment, the first metal plate 31 and the second metal plate 32 are both aluminum plates; the first metal plate is substantially Z-shaped, and the upper plate 311 and the lower plate 313 of the first metal plate 31 are disposed in parallel, and the middle plate 312 of the first metal plate 31 is disposed perpendicular to the upper plate 311 and the lower plate 313, respectively.
Referring to fig. 1 again, the heating tube 33 is a ring structure, and the cross section of the heating tube 33 is an inverted trapezoid with a wide top and a narrow bottom, the top surface of the lower plate 313 of the first metal plate 31 is attached to the bottom surface of the heating tube 33, and the bottom surface of the second metal plate 32 is attached to the top surface of the heating tube 33.
Thus, the area of the first metal plate 31 in contact with the heat generating tube 33 is smaller than the area of the second metal plate 32 in contact with the heat generating tube 33, so that the heating temperature of the first metal plate 31 is lower than the heating temperature of the second metal plate 32. In addition, because the first metal plate 31 is bent, when the heat pipe 33 generates heat and transfers the heat to the lower plate 313, the middle plate 312, and the upper plate 311 in sequence, the heat will be gradually lost during the transfer process, so that the heating temperature of the first metal plate 31 is lower, and finally the heating temperature of the high step surface 11 of the heating plate 1 is lower than the heating temperature of the low step surface 12 of the heating plate 1.
Referring to fig. 1 again, the thermostat 2 is attached to the bottom surface of the upper plate 311 of the first metal plate 31 for indirectly detecting the heating temperature of the high step surface 11 of the heating plate 1.
In this embodiment, the thermostat 2 is an NTC thermostat. From this, through setting up the NTC temperature controller, it detects the precision and is higher than traditional temperature controller to can detect fast and generate heat 1 high step face of dish water shortage dry combustion method temperature, and cut off the source power that generates heat in the very first time, thereby shorten the dry combustion method time, avoid the long-time dry combustion method of medicinal material.
It should be noted that in other embodiments, other temperature controllers 2 may be used instead of the NTC temperature controller, as long as they are directly turned off when reaching a certain temperature.
To sum up, when the first heating element and the second heating element generate heat, the heat can be respectively transferred to the high step surface 11 and the low step surface 12 of the heating plate 1, and then transferred to the water in the kettle to play a role of decocting the medicine. When the water level is boiled to be lower than the high step surface 11, the surface temperature of the high step surface 11 can be obviously increased because no water is cooled, and the temperature is detected by the temperature controller 2, so that the heating plate 1 can be judged to be in a dry-burning state and immediately stops heating, and the stable residual water quantity is ensured. In addition, since the heating temperature of the high step surface 11 is low, the temperature is not so high even in a dry-fire state, thereby preventing the medicine from being burnt.
In the prior art, the temperature sensing element or the temperature controller 2 is generally arranged on the inner surface of the heating plate 1, and the heating can be stopped when the temperature is detected to be greatly increased during dry burning, but the traditional Chinese medicine is easily burnt due to the very high overall temperature of the heating plate 1. In the scheme, the high-step surface 11 with relatively low temperature is arranged and used as a temperature sensing object, once the temperature of the high-step surface 11 is greatly increased, dry burning is judged, and then the heating source is controlled to stop heating immediately, so that the dry burning is controlled to be in a low temperature state, the medicine is prevented from being burnt, and the overall safety of the liquid heater is improved.
Example two
Referring to fig. 4, the present embodiment is different from the first embodiment only in that the temperature controller 2 is disposed at a different position. In this embodiment, the thermostat 2 is attached to the inner surface of the high step surface 11 of the heat generating plate 1 to directly detect the heating temperature of the high step surface 11 of the heat generating plate 1.
Because this temperature controller 2 is the heating temperature who directly detects 1 high step face 11 of dish that generates heat, so it detects the precision higher to can detect 1 high step face of dish that generates heat fast and lack water dry combustion method temperature, and cut off the source power that generates heat at the very first time, thereby shorten the dry combustion method time, avoid the long-time dry combustion method of medicinal material.
EXAMPLE III
Referring to fig. 1-3, a third embodiment of the present invention further provides a liquid heater, which includes a kettle body 4 and an anti-dry heating structure disposed at the bottom of the kettle body 4 as in the first embodiment or the second embodiment. Wherein, a heating plate bracket 5 is arranged below the kettle body 4, and the heating plate 1 is detachably arranged on the heating plate bracket 5.
Specifically, the heating disc 1 is positioned at the inner side of the pot body 4, and the heating disc bracket 5 is positioned at the outer side of the pot body 4; the bottom of the heating plate 1 is provided with a plurality of studs 13, and the heating plate bracket 5 is provided with mounting holes corresponding to the studs 13. Therefore, the mounting hole on the heating plate bracket 5 is aligned with the stud 13 of the heating plate 1, and the screw 7 penetrates through the mounting hole and is screwed in the stud 13, so that the detachable connection between the heating plate bracket 5 and the heating plate 1 is realized.
Referring to fig. 3, the bottom of the can body 4 is further provided with a sealing gasket 6, a through hole is arranged at the center of the bottom of the can body 4, and the sealing gasket 6 is arranged at the through hole and is positioned between the heating plate 1 and the heating plate bracket 5. The cross section of the sealing washer 6 is approximately in an inverted L shape, and comprises a second horizontal part 61 and a second vertical part 62, the outer side surface of the second vertical part 62 is attached to the inner side wall of the through hole, and the bottom surface of the second horizontal part 61 is attached to the bottom plate of the kettle body 4. In addition, the bottom of the heating plate 1 has an inverted structure, which includes a first horizontal portion 14 and a first vertical portion 15. From this, when dish 1 that generates heat passes through screw 7 with dish support 5 that generates heat and is connected, this back-off structure's first horizontal part 14 will press the top surface at the second horizontal part 61 of seal ring 6, this first vertical portion 15 will laminate at the lateral surface of second horizontal part 61, the bottom surface of the second horizontal part 61 of this seal ring 6 will press on the bottom plate of the kettle body 4 to fill up the clearance between dish 1 that generates heat and the bottom plate of the kettle body 4 completely, and then play waterproof effect, avoid water to enter into and damage its electrical components in dish 1 that generates heat.
Referring to fig. 3, the top surface and the bottom surface of the second horizontal portion 61 of the sealing gasket 6 are provided with saw-tooth structures 611. Therefore, by arranging the sawtooth structure 611, the friction force between the sealing washer 6 and the heating disc 1 and the kettle body 4 can be improved, the sealing washer 6 is prevented from deviating, and the waterproof performance of the kettle is further improved.
To sum up, the utility model discloses a liquid heater's dry combustion method preventing structure and liquid heater sets to high low stair structure through set 1 that will generate heat, and the heating temperature of high step face 11 is less than the heating temperature of low step face 12, is burnt when being less than high step face 11 when the water level, and temperature controller 2 can sense its surface temperature and show and rise, judges that it is the dry combustion method state and stop heating to guarantee certain residual water volume, also can not fry in shallow oil the medicine simultaneously and paste.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a liquid heater prevent dry combustion method structure which characterized in that, including the dish (1) that generates heat that is used for the heating liquid and be used for detecting the temperature controller (2) that generate heat dish (1) heating temperature, wherein:
the heating plate (1) is of a high-low step structure and comprises a high step surface (11) and a low step surface (12); the heating temperature of the high step surface (11) of the heating plate (1) is lower than that of the low step surface (12) of the heating plate (1);
the temperature controller (2) is used for detecting the heating temperature of the high step surface (11) of the heating plate (1).
2. The anti-dry heating structure according to claim 1, wherein a first heater for heating the high step surface (11) and a second heater for heating the low step surface (12) are provided in the heating plate (1), and the first heater and the second heater share a heating source to heat the first heater and the second heater simultaneously.
3. The anti-dry heating structure according to claim 2, wherein the first heating element is a first metal plate (31), the second heating element is a second metal plate (32), and the first metal plate (31) and the second metal plate (32) are both heated simultaneously by a heating tube (33).
4. The dry burning prevention structure according to claim 3, wherein the cross section of the heat generating tube (33) has an inverted trapezoidal shape with a wide top and a narrow bottom, the first metal plate (31) is attached to the bottom surface of the heat generating tube (33), and the second metal plate (32) is attached to the top surface of the heat generating tube (33).
5. The anti-dry burning structure according to claim 4, wherein the first metal plate (31) has a bent shape structure and comprises an upper plate (311) having a height difference, a lower plate (313), and an intermediate plate (312) connecting the upper plate (311) and the lower plate (313), wherein:
the top surface of the upper plate (311) is attached to the inner surface of the high-step surface (11) of the heating plate (1), the top surface of the lower plate (313) is attached to the bottom surface of the heating tube (33), and the heating tube (33) transfers heat to the high-step surface (11) of the heating plate (1) through the first metal plate (31).
6. The structure of claim 4, wherein the second metal plate (32) has a flat plate shape, a top surface thereof is attached to the inner surface of the low step surface (12) of the heating plate (1), and a bottom surface thereof is attached to the top surface of the heating tube (33), and the heating tube (33) transmits heat to the low step surface (12) of the heating plate (1) through the second metal plate (32).
7. The structure of claim 1, wherein the thermostat (2) is attached to the inner surface of the high step surface (11) of the heating plate (1).
8. The anti-dry heating structure according to claim 5, wherein the thermostat (2) is attached to the bottom surface of the upper plate (311).
9. The anti-dry burning structure according to claim 7 or 8, wherein the thermostat (2) is an NTC thermostat.
10. A liquid heater comprising a kettle body (4) and an anti-dry heating structure according to any one of claims 1 to 9 arranged at the bottom of the kettle body (4), wherein:
a heating plate bracket (5) is arranged below the kettle body (4), and the heating plate (1) is detachably arranged on the heating plate bracket (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022588184.1U CN214180100U (en) | 2020-11-10 | 2020-11-10 | Dry burning prevention structure of liquid heater and liquid heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022588184.1U CN214180100U (en) | 2020-11-10 | 2020-11-10 | Dry burning prevention structure of liquid heater and liquid heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214180100U true CN214180100U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022588184.1U Active CN214180100U (en) | 2020-11-10 | 2020-11-10 | Dry burning prevention structure of liquid heater and liquid heater |
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| Country | Link |
|---|---|
| CN (1) | CN214180100U (en) |
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2020
- 2020-11-10 CN CN202022588184.1U patent/CN214180100U/en active Active
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