CN111207438A - Electric heater and control method thereof - Google Patents
Electric heater and control method thereof Download PDFInfo
- Publication number
- CN111207438A CN111207438A CN202010030802.2A CN202010030802A CN111207438A CN 111207438 A CN111207438 A CN 111207438A CN 202010030802 A CN202010030802 A CN 202010030802A CN 111207438 A CN111207438 A CN 111207438A
- Authority
- CN
- China
- Prior art keywords
- electric heater
- temperature
- accommodating cavity
- heat dissipation
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
- F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/06—Casings, cover lids or ornamental panels, for radiators
- F24D19/064—Coverings not directly attached to a radiator, e.g. box-like coverings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/08—Electric heater
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/20—Heat consumers
- F24D2220/2009—Radiators
- F24D2220/2036—Electric radiators
Abstract
The invention relates to an electric heater and a control method thereof, comprising the following steps: the shell is provided with a first accommodating cavity, and the shell is also provided with a heat dissipation port communicated with the outside and the first accommodating cavity; the heating body is arranged in the first accommodating cavity and used for heating; the cover plate is connected with the shell and is used for opening and closing the heat dissipation port; the temperature sensing bulb is arranged in the first accommodating cavity and used for sensing the temperature in the first accommodating cavity; when the temperature sensing bulb detects that the temperature in the first accommodating cavity is smaller than a first preset threshold value, the cover plate closes the heat dissipation opening. Above-mentioned electric heater and control method thereof, when not needing the heating, when the temperature of first accommodating the intracavity is less than first predetermined threshold value, the closed thermovent of apron, the heat dissipation of electric heater so can be convenient for, the inside temperature of electric heater is unlikely too high, has improved the life of electric heater.
Description
Technical Field
The invention relates to the technical field of heating, in particular to an electric heater and a control method thereof.
Background
Along with the improvement of society and the improvement of living standard of people, the electric heater is more and more widely used in people's daily life. The electric heater mainly uses far infrared radiation and heat convection to supply heat, and can be widely used in houses, offices, hotels, markets, hospitals, schools, train carriages and other places.
The electric heater includes body and apron, and the apron assembles on the body and can open and close the opening of body, and when needs heating, the opening of body is opened in order to expose the heat-generating body in the apron and be convenient for generate heat the heating, and when not needing the heating, the opening that the body was closed to the apron plays dirt-proof effect.
But when not needing the heating, the apron closes the opening back of body, leads to the heat dissipation untimely, and the inside high temperature of electric heater to the life of electric heater has been reduced.
Disclosure of Invention
Therefore, the electric heater and the control method thereof are provided for solving the problem that the service life of the electric heater is influenced by overhigh internal temperature caused by the fact that the opening of the body is closed by the cover plate.
An electric heater comprising:
the shell is provided with a first accommodating cavity, and the shell is also provided with a heat dissipation port communicated with the outside and the first accommodating cavity;
the heating body is arranged in the first accommodating cavity and used for heating;
the cover plate is connected with the shell and is used for opening and closing the heat dissipation port;
the temperature sensing bulb is arranged in the first accommodating cavity and used for sensing the temperature in the first accommodating cavity;
when the temperature sensing bulb detects that the temperature in the first accommodating cavity is smaller than a first preset threshold value, the cover plate closes the heat dissipation opening.
In one embodiment, the temperature sensing unit includes a first temperature sensing bulb and a second temperature sensing bulb which are disposed at an interval, and when both the first temperature sensing bulb and the second temperature sensing bulb detect that the temperatures in the first accommodating cavity are both smaller than the first preset threshold, the cover plate closes the heat dissipation opening.
In one embodiment, the heat dissipation opening is opened at the top end of the housing, and the cover plate is coupled to the top end of the housing.
In one embodiment, the cover plate is rotatably coupled to the housing.
In one embodiment, the electric heater further comprises a driving member, wherein the driving member is coupled to the housing and used for driving the cover plate to open and close the heat dissipation opening.
In one embodiment, the heat dissipation openings are in a grid shape.
In one embodiment, the electric heater further comprises a controller, and the heating element and the temperature sensing bulb are electrically connected with the controller.
In one embodiment, the electric heater further comprises a temperature limiter, the temperature limiter is arranged in the first accommodating cavity, and when the temperature limiter detects that the temperature in the first accommodating cavity reaches a set value, the electric heater is stopped;
wherein the first preset threshold is smaller than the set value of the temperature limiter.
A control method of an electric heater comprises the following steps:
controlling a heating body of the electric heater to stop heating;
detecting the temperature in a first accommodating cavity of the electric heater;
when the temperature in the first accommodating cavity is smaller than a first preset threshold value, the cover plate is controlled to close the heat dissipation port of the electric heater.
In one embodiment, before the step of detecting the temperature in the first accommodating cavity of the electric heater, the method further includes the steps of:
judging the working time of a heating body of the electric heater;
when the working time of the heating body is greater than the second preset threshold value, the temperature in the first accommodating cavity of the electric heater is detected, and when the working chamber time of the heating body is less than or equal to the second preset threshold value, the cover plate is controlled to be closed and the heat dissipation port of the electric heater is controlled.
Above-mentioned electric heater and control method thereof, when not needing the heating, when the temperature of first accommodating the intracavity is less than first predetermined threshold value, the closed thermovent of apron, the heat dissipation of electric heater so can be convenient for, the inside temperature of electric heater is unlikely too high, has improved the life of electric heater.
Drawings
Fig. 1 is a schematic structural diagram of an electric heater according to an embodiment of the present invention;
fig. 2 is a flowchart of a control method of an electric heater according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides an electric heater 100, which includes a body 10 and a cover plate 20, wherein the body 10 has a heat dissipating port 11, and the cover plate 20 is coupled to the body 10 and is used for opening and closing the heat dissipating port 11. When the cover plate 20 opens the heat dissipation opening 11, the heat in the electric heater 100 can be dissipated from the heat dissipation opening 11 to the outside for heating the human body, and when the cover plate 20 closes the heat dissipation opening 11, the heat in the electric heater 100 cannot be dissipated from the heat dissipation opening 11 to the outside.
Specifically, the body 10 includes a casing 12 and a heating element 13, a first receiving cavity 14 is formed in the casing 12, the heat dissipating port 11 is opened on the casing 12 and is communicated between the first receiving cavity 14 and the outside, the heating element 13 is disposed in the first receiving cavity 14 for generating heat, and heat generated by the heating element 13 can be conducted to the outside through the heat dissipating port 11 for heating the human body. The cover plate 20 is connected to the housing 12 and opens and closes the heat dissipation port 11.
In one embodiment, the heating element 13 is a heating wire heating element. It is contemplated that in other embodiments, the heating element 13 may be other types of heating elements, such as quartz tube heating elements, ceramic heating elements, halogen tube heating elements, heat transfer oil heating elements, and carbon fiber heating elements, but not limited thereto.
Further, the electric heater 100 further includes a thermal bulb, and the thermal bulb is disposed in the first accommodating cavity 14 and used for sensing the temperature in the first accommodating cavity 14. When the temperature sensing bulb detects that the temperature in the first accommodating cavity 14 is lower than a first preset threshold value, the cover plate 20 closes the heat dissipation opening 11. That is, when the temperature sensing bulb detects that the temperature in the first accommodating cavity 14 is lower than the first preset threshold, the cover plate 20 closes the heat dissipation opening 11, and when the temperature sensing bulb detects that the temperature in the first accommodating cavity 14 is higher than or equal to the first preset threshold, the cover plate 20 does not close the heat dissipation opening 11.
When not needing the heating, when the first temperature of acceping in the chamber 14 is less than first predetermined threshold value, the closed thermovent 11 of apron 20, so can be convenient for giving off of heat in electric heater 100, the inside temperature of electric heater 100 is unlikely to too high, has improved electric heater 100's life.
In an embodiment, the housing 12 further defines a second receiving cavity (not shown), the electric heater 100 further includes a controller 40, the heating element 13 and the thermal bulb are electrically connected to the controller 40, and the controller 40 can control the cover plate 20 to be closed.
Specifically, the electric heater 100 further includes a driving member (not shown), the driving member is electrically connected to the controller 40, and the controller 40 drives the cover plate 20 to open and close the heat dissipation opening 11 by controlling the driving member. More specifically, the driving member is a driving motor, when the electric heater 100 is powered on, the controller 40 may control the driving motor to drive the cover plate 20 to open the heat dissipation opening 11, and when the electric heater 100 is powered off and the temperature sensing bulb detects that the temperature in the first accommodating cavity 14 is less than the first preset threshold, the controller 40 may control the driving mechanism to drive the cover plate 20 to close the heat dissipation opening 11.
In one embodiment, the cover plate 20 is rotatably connected to the housing 12, and when the electric heater 100 is turned on, the controller 40 can control the driving motor to rotate the cover plate 20 relative to the housing 12 to open the heat dissipation opening 11. When the electric heater 100 is turned off and the temperature sensing package detects that the temperature in the first receiving cavity 14 is lower than the first preset threshold, the controller 40 may control the driving mechanism to drive the cover plate 20 to rotate relative to the housing 12 to close the heat dissipation opening 11.
Specifically, the heat dissipation port 11 is opened at the top end of the case 12 due to the principle that hot air floats up in the air, so that the hot air is transferred to the human body, and accordingly, the cover plate 20 is coupled to the top end of the case 12. It is understood that, in other embodiments, the heat dissipation opening 11 may be opened at other positions of the housing 12, and is not limited herein.
More specifically, the heat dissipation port 11 is in a grid shape so that the hot air is uniformly transferred from the heat dissipation port 11 to the human body. It is contemplated that in other embodiments, the shape of the heat dissipation opening 11 is not limited, and the heat dissipation opening 11 may be rectangular or circular.
In one embodiment, the thermal bulbs include at least two thermal bulbs spaced apart from each other, and when the temperature detected by all the thermal bulbs in the first receiving cavity 14 is less than the first preset threshold, the cover plate 20 closes the heat dissipation opening 11, thereby ensuring the reliability of the detection.
Specifically, the thermal bulb includes a first thermal bulb 31 and a second thermal bulb 32, and when the temperatures of the first accommodating cavity 14 detected by the first thermal bulb 31 and the second thermal bulb 32 are both less than a first preset threshold, the cover plate 20 closes the heat dissipation opening 11. By arranging the temperature sensing bulb to comprise the first temperature sensing bulb 31 and the second temperature sensing bulb 32, the reliability of detection is guaranteed, the cost is not too high, and the effect of reducing the cost is achieved.
In one embodiment, the electric heater 100 further includes a temperature limiter 60, the temperature limiter 60 is disposed in the first accommodating cavity 14, and when the temperature limiter 60 detects that the temperature in the first accommodating cavity 14 reaches a set value, the electric heater 100 is turned off, so as to prevent the temperature limiter 60 from being operated by mistake, and the safety system is lifted to protect the electric heater 100. Wherein the set value of the temperature limiter 60 is greater than a first preset threshold.
Further, the thermal bulb is arranged close to the temperature limiter 60 to ensure that the temperature detected by the temperature limiter 60 is equivalent, so that the condition of error protection of the temperature limiter 60 is further avoided.
Specifically, the electric heater 100 further includes a display panel 70, and the display panel 70 is coupled to the housing 12 for displaying the actual temperature in the first accommodating cavity 14 of the electric heater 100. That is, the temperature sensed by the bulb may be displayed on the display panel 70 for the user to observe in real time.
Referring to fig. 2, another embodiment of the present invention further provides a control method of an electric heater 100, including the steps of:
s110: controlling the heating body 13 of the electric heater 100 to stop heating; that is, when the electric heater 100 does not need to be used, the heating body 13 of the electric heater 100 is controlled to stop operating, so that the electric heater 100 stops heating.
S120: detecting the temperature in the first accommodating cavity 14 of the electric heater 100; after the heating element 13 of the electric heater 100 is controlled to stop working, the temperature in the first accommodating cavity 14 is detected.
S130: when the temperature in the first receiving cavity 14 is less than a first preset threshold, the control cover plate 20 closes the heat dissipation port 11 of the electric heater 100. That is, when the temperature in the first accommodating cavity 14 is smaller than the first preset threshold, the cover plate 20 closes the heat dissipation port 11 of the electric heater 100, so that when the heating is not needed, when the temperature in the first accommodating cavity 14 is smaller than the first preset threshold, the cover plate 20 closes the heat dissipation port 11, the heat of the electric heater 100 can be conveniently dissipated to the outside, and the service life of the electric heater 100 is prolonged.
In one embodiment, before step S120, the method further includes the steps of:
judging the working time of the heating body 13 of the electric heater 100;
when the operating time of the heating element 13 is greater than the second preset threshold, the temperature in the first accommodating cavity 14 of the electric heater 100 is detected, and when the operating time of the heating element 13 is less than or equal to the second preset threshold, the cover plate 20 is controlled to close the heat dissipation port 11 of the electric heater 100.
That is, when the operating time of the heating element 13 is less than the second preset threshold, it is proved that the operating time of the heating element 13 is short, the temperature in the first accommodating cavity 14 is not high by default, and at this time, the temperature in the first accommodating cavity 14 does not need to be detected, but the cover plate 20 is controlled to directly close the heat dissipation port 11 of the electric heater 100. When the operation time of the heating element 13 is greater than or equal to the second preset threshold, it is proved that the operation time of the heating element 13 is long, and when the electric heater 100 is not needed for heating, the operation of detecting the temperature in the first accommodating chamber 14 is executed after the heating element 13 is controlled to stop heating.
In one embodiment, the first preset threshold value is set to 0 ℃ and the second preset threshold value is set to 0 h. It is understood that in other embodiments, the setting of the first preset threshold to the second preset threshold may be determined according to actual needs.
The electric heater 100 and the control method thereof provided by the embodiment of the invention have the following beneficial effects:
1. when heating is not needed, when the temperature in the first accommodating cavity 14 is smaller than a first preset threshold value, the cover plate 20 closes the heat dissipation port 11, so that heat dissipation of the electric heater 100 can be facilitated, the temperature in the electric heater 100 is not too high, and the service life of the electric heater 100 is prolonged;
2. the temperature sensing package includes at least two, and when the temperature in the first chamber 14 of acceping that all temperature sensing packages detected all is less than first predetermined threshold, apron 20 closed thermovent 11 to guarantee the reliability of detection.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An electric heater, comprising:
the heat dissipation device comprises a shell (12) provided with a first accommodating cavity (14), wherein the shell (12) is also provided with a heat dissipation port (11) communicated with the outside and the inside of the first accommodating cavity (14);
a heating element (13) which is provided in the first housing chamber (14) and generates heat;
the cover plate (20) is connected with the shell (12) and is used for opening and closing the heat dissipation port (11);
the temperature sensing bulb is arranged in the first accommodating cavity (14) and used for sensing the temperature in the first accommodating cavity (14);
when the temperature sensing bulb detects that the temperature in the first accommodating cavity (14) is smaller than a first preset threshold value, the cover plate (20) closes the heat dissipation opening (11).
2. The electric heater according to claim 1, wherein the temperature sensing device comprises at least two temperature sensing devices spaced from each other, and when the temperature detected by all the temperature sensing devices in the first accommodating cavity (14) is less than the first preset threshold, the cover plate (20) closes the heat dissipation opening (11).
3. The electric heater according to claim 1, wherein the heat dissipating port (11) is opened at a top end of the housing (12), and the cover plate (20) is coupled to the top end of the housing (12).
4. The electric heater according to claim 1, characterised in that the cover plate (20) is rotatably connected to the housing (12).
5. The electric heater according to claim 1, further comprising a driving member coupled to the housing (12) and configured to drive the cover plate (20) to open and close the heat dissipating port (11).
6. The electric heater according to claim 1, characterized in that the heat dissipation opening (11) is in the shape of a grid.
7. The electric heater according to claim 1, further comprising a controller (40), wherein the heating element (13) and the thermal bulb are electrically connected to the controller (40).
8. The electric heater according to any one of claims 1-7, further comprising a temperature limiter (60), wherein the temperature limiter (60) is disposed in the first accommodating cavity (14), and when the temperature limiter (60) detects that the temperature in the first accommodating cavity (14) reaches a set value, the electric heater is stopped;
wherein the first preset threshold is smaller than the set value of the temperature limiter (60).
9. A control method of an electric heater is characterized by comprising the following steps:
controlling a heating body (13) of the electric heater to stop heating;
detecting the temperature in a first accommodating cavity (14) of the electric heater;
when the temperature in the first accommodating cavity (14) is smaller than a first preset threshold value, the cover plate (20) is controlled to close the heat dissipation port (11) of the electric heater.
10. The control method of the electric heater according to claim 9, before the step of detecting the temperature in the first receiving cavity (14) of the electric heater, further comprising the steps of:
judging the working time of a heating body (13) of the electric heater;
work as when the operating time of heat-generating body (13) is greater than the second and predetermines the threshold value, detect the temperature in chamber (14) is acceptd to the first of electric heater, works as when the operating time of heat-generating body (13) is less than or equal to the second and predetermines the threshold value, control apron (20) closure the thermovent (11) of electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010030802.2A CN111207438A (en) | 2020-01-13 | 2020-01-13 | Electric heater and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010030802.2A CN111207438A (en) | 2020-01-13 | 2020-01-13 | Electric heater and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111207438A true CN111207438A (en) | 2020-05-29 |
Family
ID=70785186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010030802.2A Pending CN111207438A (en) | 2020-01-13 | 2020-01-13 | Electric heater and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111207438A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6265698B1 (en) * | 2000-04-19 | 2001-07-24 | Perfect Union Co., Ltd. | Overheating protector for heaters |
| AU2011100593A4 (en) * | 2011-05-23 | 2011-06-30 | Bazylenko, Michael Dr | Method and apparatus for maintaining desired room temperature with portable electrical heaters |
| CN102235700A (en) * | 2010-04-23 | 2011-11-09 | 台湾樱花股份有限公司 | Heating device, residual heat display method of heating device and residual heat display control circuit |
| CN203907759U (en) * | 2014-04-23 | 2014-10-29 | 珠海格力电器股份有限公司 | Air outlet structure for electric heater |
| CN108980985A (en) * | 2018-07-31 | 2018-12-11 | 珠海格力电器股份有限公司 | Electric heater fault alarm method, device, computer equipment and storage medium |
| CN109157107A (en) * | 2018-08-10 | 2019-01-08 | 广东美的厨房电器制造有限公司 | The control method and cooking appliance of cooking appliance |
| CN109683690A (en) * | 2018-12-29 | 2019-04-26 | 努比亚技术有限公司 | Cooling control method, mobile terminal and computer readable storage medium |
| CN110345545A (en) * | 2019-07-24 | 2019-10-18 | 珠海格力电器股份有限公司 | Electric heater with protected by temperature limitation function |
-
2020
- 2020-01-13 CN CN202010030802.2A patent/CN111207438A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6265698B1 (en) * | 2000-04-19 | 2001-07-24 | Perfect Union Co., Ltd. | Overheating protector for heaters |
| CN102235700A (en) * | 2010-04-23 | 2011-11-09 | 台湾樱花股份有限公司 | Heating device, residual heat display method of heating device and residual heat display control circuit |
| AU2011100593A4 (en) * | 2011-05-23 | 2011-06-30 | Bazylenko, Michael Dr | Method and apparatus for maintaining desired room temperature with portable electrical heaters |
| CN203907759U (en) * | 2014-04-23 | 2014-10-29 | 珠海格力电器股份有限公司 | Air outlet structure for electric heater |
| CN108980985A (en) * | 2018-07-31 | 2018-12-11 | 珠海格力电器股份有限公司 | Electric heater fault alarm method, device, computer equipment and storage medium |
| CN109157107A (en) * | 2018-08-10 | 2019-01-08 | 广东美的厨房电器制造有限公司 | The control method and cooking appliance of cooking appliance |
| CN109683690A (en) * | 2018-12-29 | 2019-04-26 | 努比亚技术有限公司 | Cooling control method, mobile terminal and computer readable storage medium |
| CN110345545A (en) * | 2019-07-24 | 2019-10-18 | 珠海格力电器股份有限公司 | Electric heater with protected by temperature limitation function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10660467B2 (en) | Method and device for monitoring the safe use of a cooker | |
| CN201212952Y (en) | Intelligent machine cabinet | |
| CN105011752A (en) | Electric kettle with automatically opening and closing lid based on rate of water temperature change | |
| CN111207438A (en) | Electric heater and control method thereof | |
| CN209221057U (en) | Intelligent disinfecting device and system | |
| CN110107951A (en) | A kind of temperature controller and temperature control system | |
| JP4133020B2 (en) | Heater and sensor unit and control system used therefor | |
| CN203299662U (en) | High-temperature constant-temperature box | |
| CN206378729U (en) | A kind of auto parts high temperature ageing detection case | |
| CN214850020U (en) | High automatic electric cabinet of security | |
| NO179649B (en) | Method and apparatus for thermal insulation | |
| KR100662391B1 (en) | Method for Auto Diagnosis in The Electric Type Range | |
| CN107246647A (en) | Electric heater with function of safety protection | |
| CN205826767U (en) | Seal self-circulation type panel detection cabinet | |
| KR101623980B1 (en) | Oven rage and method thereof | |
| CN105030057A (en) | Electric kettle capable of automatically opening/closing cover and alarming | |
| CN107149402A (en) | A kind of SCM Based preservation and controlling electric kettle | |
| CN212347227U (en) | Disinfection cabinet | |
| CN213130939U (en) | High-temperature rapid disinfection machine | |
| JPH0144917Y2 (en) | ||
| CN206348676U (en) | A kind of temperature control system of body fluid culture instrument | |
| CN215447363U (en) | Novel intelligent fiber muffle furnace | |
| JP5257051B2 (en) | Electric heater | |
| WO2020030104A1 (en) | Rice cooker heat dissipation device, rice cooker, and method and device for controlling heat dissipation of rice cooker | |
| CN213311913U (en) | Handheld sterilizing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200529 |