CN109028256A - Heating equipment and its control device and method - Google Patents
Heating equipment and its control device and method Download PDFInfo
- Publication number
- CN109028256A CN109028256A CN201810778654.5A CN201810778654A CN109028256A CN 109028256 A CN109028256 A CN 109028256A CN 201810778654 A CN201810778654 A CN 201810778654A CN 109028256 A CN109028256 A CN 109028256A
- Authority
- CN
- China
- Prior art keywords
- protector
- overtemp
- feedback voltage
- value
- voltage
- 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.)
- Granted
Links
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The invention discloses a kind of heating equipment and its control device and methods, wherein control device includes: Overtemp. protector, is arranged in the power supply circuit of the heating equipment heater；Detection device is connect with the Overtemp. protector, and for detecting the feedback voltage of the working condition for characterizing the Overtemp. protector, the working condition includes off-state and closed state；Suggestion device is connect with the detection device, for issuing corresponding prompt information according to the feedback voltage.After Overtemp. protector disconnects; it is detected into detection device is crossed; obtain corresponding feedback voltage; control the prompt information for the representing fault that suggestion device issues; user's power-off restarting is prompted, after user powers off, Overtemp. protector closure; the feedback voltage that detection device detects, control suggestion device issue the prompt information for representing and working normally.User can be made more clearly to know the state of heat-producing device, prompt user specifically to operate, provide better experience for user.
Description
Technical field
The present invention relates to family's electro-technical fields, and in particular to arrives a kind of heating equipment and its control device and method.
Background technique
With the development of society, the raising of human living standard, people have more the function and experience effect of living electric apparatus
High requirement, for electric heater as a kind of heat generation device, temperature control is to guarantee that safety is critically important, a part use in the prior art
Temperature control is realized in the combination of temperature controller and fuse-link of automatically reseting, once it needs to re-replace, replaces however, fuse-link is disconnected
It is more complicated, increase burden after sale；Another kind generally use power-off restoration temperature controller play the role of temperature control protection, but if
Power-off restoration temperature controller needs just to be capable of resetting after powering off, and after temperature controller disconnection, load does not work, still, due to electric heater
Power supply is not switched off, and display board is shown normally, and user is difficult to find electric heater and is in off working state, is brought to user poor
Usage experience.
Summary of the invention
For this purpose, according in a first aspect, present example provides a kind of control device of heating equipment, comprising: overtemperature is protected
Device is protected, is arranged in the power supply circuit of heating equipment heater；
Detection device is connect with Overtemp. protector, for detecting the feedback of the working condition for characterizing Overtemp. protector
Voltage, working condition include off-state and closed state；
Suggestion device is connect with detection device, for issuing corresponding prompt information according to feedback voltage.
Optionally, Overtemp. protector includes power-off restoration protector.
Optionally, control device further include: relay is connected respectively at heater with detection device；Detection device detection
When Overtemp. protector is in an off state out, control relay is at least attracted all the way.
Optionally, voltage check device includes: voltage detecting circuit, and input terminal connects respectively at the both ends of Overtemp. protector
It connects；Feedback voltage is exported for detecting the voltage at Overtemp. protector both ends, and based on the voltage value at Overtemp. protector both ends；Control
Device receives feedback voltage, and when being greater than preset value for the value in feedback voltage, Overtemp. protector is off-state, control prompt
Device issues fault cues signal.
Optionally, voltage detecting circuit includes: division module, is divided for the voltage to Overtemp. protector both ends,
Obtain feedback voltage.
Optionally, voltage detecting circuit includes: filter module, is connect with division module, for filtering to feedback voltage
Wave.
Optionally, when controller is also used to judge whether the value of feedback voltage is greater than default greater than the duration of preset value
It is long；When whether the duration that the value of feedback voltage is greater than preset value is greater than preset duration, Overtemp. protector is off-state, control
Suggestion device processed issues fault cues signal.
According to second aspect, the embodiment of the invention provides a kind of heating equipments, comprising: heater, such as above-mentioned first party
The control device of the heating equipment of face any one.
Optionally, heating equipment includes electric heater.
According to the third aspect, the embodiment of the invention provides a kind of heating apparatus control method, this method is for above-mentioned the
The heating equipment control device of one side any one, this method comprises: obtaining the working condition for characterizing Overtemp. protector
Feedback voltage, working condition includes off-state and closed state；It is corresponding that suggestion device sending is controlled according to feedback voltage
Prompt information.
Optionally, controlling suggestion device to issue corresponding prompt information according to feedback voltage includes: to judge detection device
Whether the value of feedback voltage is greater than preset value；When the value of feedback voltage is greater than preset value, Overtemp. protector is off-state, control
Suggestion device processed issues fault cues signal.
Optionally, when the value of feedback voltage is greater than preset value further include: judge that the value of feedback voltage is greater than preset value
Whether duration is greater than preset duration；When the duration that the value of feedback voltage is greater than preset value is greater than preset duration, overtemperature
Protector is off-state, and control suggestion device issues fault cues signal.
Optionally, when Overtemp. protector is in an off state, control relay is at least attracted all the way.
The embodiment of the invention provides a kind of heating equipment and its control device and methods, when heater generates heat abnormal,
Overtemp. protector disconnects, and detection device detects the working condition of Overtemp. protector and feeds back corresponding feedback electricity according to working condition
Pressure can issue corresponding prompt information for the feedback voltage as control signal control suggestion device.Overtemp. protector disconnects
Afterwards, into detection device detection is crossed, corresponding first feedback voltage, the prompt letter for the representing fault that control suggestion device issues are obtained
It ceases indicative such as that can be used for suggestion voice " asking power-off restarting " or can showing screen display " asking power-off restarting " again
Printed words.User's power-off restarting is prompted, after user powers off, Overtemp. protector closure, detection device is detected second anti-
Feedthrough voltage, control suggestion device issue the prompt information for representing and working normally.User can be made more clearly to know fever
The state of equipment prompts user specifically to operate, provides better experience for user.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the control device schematic diagram of the heating equipment of the present embodiment；
Fig. 2 shows the schematic diagrames of the voltage detecting circuit of the present embodiment；
Fig. 3 shows the schematic diagram of the control method of the heat-producing device of the present embodiment.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of control device of heat-producing device, which can be electric heater, may be used also
Think other heating utensils, such as insulating pot etc., if the control device of Fig. 1 heating equipment may include: Overtemp. protector 10,
It is arranged in the power supply circuit of heating equipment heater 40；Detection device 20 is connect with Overtemp. protector 10, is used for for detecting
The feedback voltage of the working condition of Overtemp. protector 10 is characterized, working condition includes off-state and closed state；Suggestion device
30, it is connect with detection device 20, for issuing corresponding prompt information according to feedback voltage.In the present embodiment, overtemperature prote
Device 10 can be power-off restoration protector, and power-off restoration Overtemp. protector 10 is that after Overtemp. protector 10 disconnects, can be set with electricity consumption
Standby power supply is not completely switched off, and the more small electric current of use maintains Overtemp. protector 10 not reset.It is intended to user's disconnection
It is just capable of resetting after power supply.It can guarantee the safety of user.Optionally, after to guarantee that Overtemp. protector 10 disconnects, it will not reset, need
The electric current more to smile maintains, and therefore, control device can also include breaker, and in the present embodiment, breaker can be
At least two, one of control heater 40, another control overtemperature protection device, breaker can also be multiple-channel output
One breaker can control at least two-way simultaneously.When detection device 20 detects that Overtemp. protector 10 is in an off state,
Control relay is at least attracted all the way.To maintain being in an off state for Overtemp. protector 10.
In the present embodiment, when heater 40 generates heat abnormal, Overtemp. protector 10 is disconnected, and detection device 20 detects overtemperature
The working condition of protector 10 simultaneously feeds back corresponding feedback voltage according to working condition, can believe the feedback voltage as control
Number control suggestion device 30 issue corresponding prompt information.Specifically, suggestion device 30 can be buzzer, voice announcer or
Display screen etc..In the present embodiment, it after Overtemp. protector 10 disconnects, is detected into detection device 20 is crossed, it is anti-to obtain corresponding first
Feedthrough voltage, the prompt information for the representing fault that control suggestion device 30 issues for example can with suggestion voice " asking power-off restarting " or
Screen display " asking power-off restarting " etc. can be shown for suggestive printed words again.User's power-off restarting is prompted, it is disconnected by user
After electricity, Overtemp. protector 10 is closed, the second feedback voltage that detection device 20 detects, control suggestion device 30, which issues, to be represented just
The prompt information often to work.User can be made more clearly to know the state of heat-producing device, user is prompted specifically to operate,
Better experience is provided for user.
In an alternate embodiment of the invention, detection device 20 may include detection circuit for detecting voltage and for handling inspection
The processor of the feedback voltage measured, specifically, as shown in Fig. 2, the input terminal of voltage detecting circuit is separately positioned on overtemperature guarantor
Protect the both ends of device 10, the voltage at the both ends for detecting Overtemp. protector 10, and the voltage value based on 10 both ends of Overtemp. protector
Export feedback voltage；Specifically, voltage detecting circuit may include division module 21, to the voltage at 10 both ends of Overtemp. protector into
Row partial pressure obtains lesser voltage value, and Overtemp. protector 10 is equivalent to conducting wire in closure, and both end voltage is almost nil, passes through
Obtained voltage is divided closer to zero, therefore, the feedback voltage when Overtemp. protector 10 is closed can be approximated to be zero.?
When Overtemp. protector 10 disconnects, great impedance is shown, both end voltage is the supply voltage of heat-producing device, by dividing
The feedback voltage arrived is greater than zero, and in the present embodiment, the value of feedback voltage when Overtemp. protector 10 disconnects can be 1V-
5V.Filter module is provided between division module 21 and controller in the present embodiment for the fluctuation for preventing feedback voltage
22, feedback voltage is filtered.As shown in Fig. 2, voltage detecting circuit includes first resistor R6, one end is used for and overtemperature prote
One end of device 10 connects, second resistance R14, and for connecting with the other end of Overtemp. protector 10, first resistor R6's is another for one end
One end is connect with the anode of first diode D8, and the other end of second resistance R14 and the cathode of diode connect, first resistor
R6, second resistance R14 and first diode D8 form division module 21, and feedback voltage is the voltage at the both ends second resistance R14；The
One capacitor C11 is in parallel with the second capacitor C17, and in parallel with second resistance R14, and the other end of second resistance R14 is connected to third
One end of resistance R15, the other end of 3rd resistor R15 are connected to the input terminal of controller, and 3rd resistor R15 is as current limliting electricity
Resistance.
It in the present embodiment, can also include A/D converter between voltage detecting circuit and controller, in feedback voltage
Into after controller, controller judges the size of feedback voltage, and the work of Overtemp. protector 10 is judged according to the size of voltage
State.Specifically, controller may determine that whether the value of feedback voltage is greater than preset value；When the value of feedback voltage is greater than preset value
When, Overtemp. protector 10 is off-state, and control suggestion device 30 issues fault cues signal.Further, to prevent voltage wave
The dynamic accuracy for influencing testing result after being greater than predeterminated voltage judging feedback voltage, judges in the present embodiment
Whether the duration that the value of feedback voltage is greater than preset value is greater than preset duration；When the value of feedback voltage is greater than holding for preset value
Whether continuous duration is greater than preset duration, and Overtemp. protector 10 is off-state, and control suggestion device 30 issues fault cues signal.
In the present embodiment, preset value can be in alternating current 220V, low pressure 120V, when high pressure 265V situation Imitating temperature limiter disconnects,
The minimum value of feedback voltage, specific preset value can be 1V-5V.Preset duration can be 1s-5s.
The present invention also provides a kind of heat-producing devices, including heater, can use heating resistor and above-described embodiment
Described in control device.The heat-producing device can be electric heater.
The embodiment of the invention also provides a kind of heating apparatus control method, suitable for the control device of above-described embodiment,
As shown in figure 3, may include steps of:
S10. the feedback voltage of the working condition for characterizing Overtemp. protector is obtained.Working condition include off-state and
Closed state；
S20. judge whether the value of the feedback voltage of detection device is greater than preset value；It, can be with by the duration of feedback voltage
Prevent voltage fluctuation from influencing turn determination of detection.When the value of feedback voltage is greater than preset value, S30 is entered step.When feedback electricity
When the value of pressure is less than preset value, S50 is entered step.
S30. judge whether the value of feedback voltage is greater than preset duration greater than the duration of preset value；When feedback voltage
The duration that value is greater than preset value is greater than preset duration, enters step S40.When the value of feedback voltage is greater than continuing for preset value
Duration is less than preset duration, enters step S50.
S40. control suggestion device issues fault cues signal.
S50. control suggestion device issues regular prompt signal.
Specifically, Overtemp. protector disconnects when heater generates heat abnormal, detection device detects the work of Overtemp. protector
State simultaneously feeds back corresponding feedback voltage according to working condition, can control suggestion device for the feedback voltage as control signal
Issue corresponding prompt information.Specifically, suggestion device can be buzzer, voice announcer or display screen etc..In this implementation
In example, after Overtemp. protector disconnects, into detection device detection is crossed, corresponding first feedback voltage, control suggestion device hair are obtained
The prompt information of representing fault out for example with suggestion voice " asking power-off restarting " or can show again that screen display " please break
Electricity is restarted " etc. be used for suggestive printed words.User's power-off restarting is prompted, after user powers off, Overtemp. protector closure, detection
The second feedback voltage that device detects, control suggestion device issue the prompt information for representing and working normally.It can make user
More clearly know the state of heat-producing device, prompts user specifically to operate, provide better experience for user.
Although the embodiments of the invention are described in conjunction with the attached drawings, but those skilled in the art can not depart from this hair
Various modifications and variations can be made in the case where bright spirit and scope, and such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (13)
1. a kind of control device of heating equipment characterized by comprising
Overtemp. protector is arranged in the power supply circuit of the heating equipment heater；
Detection device is connect with the Overtemp. protector, for detecting the working condition for characterizing the Overtemp. protector
Feedback voltage, the working condition include off-state and closed state；
Suggestion device is connect with the detection device, for issuing corresponding prompt information according to the feedback voltage.
2. control device as described in claim 1, which is characterized in that the Overtemp. protector includes power-off restoration protector.
3. control device as claimed in claim 2, which is characterized in that further include:
Relay is connected respectively at the heater with the detection device；
When the detection device detects that the Overtemp. protector is in an off state, controls the relay and at least inhale all the way
It closes.
4. control device as claimed in any one of claims 1-3, which is characterized in that the voltage check device includes:
Voltage detecting circuit, input terminal are connected respectively at the both ends of the Overtemp. protector；For detecting the overtemperature prote
The voltage at device both ends, and feedback voltage is exported based on the voltage value at Overtemp. protector both ends；
Controller receives the feedback voltage, when being greater than preset value for the value in the feedback voltage, the Overtemp. protector
For off-state, controls the suggestion device and issue fault cues signal.
5. control device as claimed in claim 4, which is characterized in that the voltage detecting circuit includes:
Division module divides for the voltage to the Overtemp. protector both ends, obtains the feedback voltage.
6. control device as claimed in claim 5, which is characterized in that the voltage detecting circuit includes:
Filter module is connect with the division module, for being filtered to the feedback voltage.
7. control device as claimed in claim 4, which is characterized in that the controller is also used to judge the feedback voltage
Whether the duration that value is greater than preset value is greater than preset duration；
When whether the duration that the value of the feedback voltage is greater than preset value is greater than preset duration, the Overtemp. protector is disconnected
Open state controls the suggestion device and issues fault cues signal.
8. a kind of heating equipment characterized by comprising
Heater,
The control device of heating equipment as described in claim 1-7 any one.
9. heating equipment as claimed in claim 8, which is characterized in that the heating equipment includes electric heater.
10. a kind of control method of heating equipment, which is characterized in that the method is used for such as claim 1-7 any one institute
The control device for the heating equipment stated, which comprises
Obtain the feedback voltage for characterizing the working condition of the Overtemp. protector, the working condition include off-state and
Closed state；
The suggestion device, which is controlled, according to the feedback voltage issues corresponding prompt information.
11. control method as claimed in claim 10, which is characterized in that described to control the prompt according to the feedback voltage
Device issues corresponding prompt information
Judge whether the value of the feedback voltage of the detection device is greater than the preset value；
When the value of the feedback voltage is greater than preset value, the Overtemp. protector is off-state, controls the suggestion device
Issue fault cues signal.
12. control method as claimed in claim 11, which is characterized in that described when the value of the feedback voltage is greater than preset value
When further include:
Judge whether the value of the feedback voltage is greater than preset duration greater than the duration of preset value；
When the duration that the value of the feedback voltage is greater than preset value is greater than preset duration, the Overtemp. protector is to disconnect shape
State controls the suggestion device and issues fault cues signal.
13. the control method as described in claim 10-12 any one, which is characterized in that
When the Overtemp. protector is in an off state, controls the relay and be at least attracted all the way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778654.5A CN109028256B (en) | 2018-07-16 | 2018-07-16 | Heating equipment and control device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778654.5A CN109028256B (en) | 2018-07-16 | 2018-07-16 | Heating equipment and control device and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109028256A true CN109028256A (en) | 2018-12-18 |
| CN109028256B CN109028256B (en) | 2021-10-01 |
Family
ID=64643162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810778654.5A Active CN109028256B (en) | 2018-07-16 | 2018-07-16 | Heating equipment and control device and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109028256B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950018A (en) * | 2022-12-09 | 2023-04-11 | 珠海格力电器股份有限公司 | Humidifying device and method and humidifier |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2269653Y (en) * | 1996-07-05 | 1997-12-03 | 陈建强 | Over temperature alarm for power socket |
| CN201623333U (en) * | 2009-12-16 | 2010-11-03 | 张盖西 | Intelligent safety power socket |
| US20120061369A1 (en) * | 2006-04-05 | 2012-03-15 | Watlow Electronic Manufacturing Company | Multiple heater control system with expandable modular functionality |
| CN102931636A (en) * | 2012-10-25 | 2013-02-13 | 东莞市凯恩电子科技有限公司 | Manually-reset overload overtemperature early-warning protection device |
| CN102929166A (en) * | 2012-10-29 | 2013-02-13 | 杭州凯特电器有限公司 | Temperature-based control method and controller of intelligent socket |
| CN102983462A (en) * | 2012-11-30 | 2013-03-20 | 东莞市凯恩电子科技有限公司 | Overload over-temperature early warning protection plug with manual reset |
| CN202888542U (en) * | 2012-11-15 | 2013-04-17 | 东莞市凯恩电子科技有限公司 | Manual reset overload overtemperature protection socket with pre-warning function |
| CN202888544U (en) * | 2012-11-15 | 2013-04-17 | 东莞市凯恩电子科技有限公司 | Hand reset overload overtemperature protection plug with alarm function |
| CN203414860U (en) * | 2013-08-07 | 2014-01-29 | 欧阳佛强 | Controlling and protecting device assembly for electric warming bag |
| CN204535063U (en) * | 2015-03-24 | 2015-08-05 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| KR20160010242A (en) * | 2014-07-17 | 2016-01-27 | 이영우 | Department stores in the safety management system |
| US20160141812A1 (en) * | 2014-11-17 | 2016-05-19 | Chengli Li | Power plug and power receptacle with over-temperature protection function |
| CN105832148A (en) * | 2016-05-26 | 2016-08-10 | 成都灯岛科技有限公司 | Electric kettle control circuit with buzzer |
| CN206006952U (en) * | 2016-06-21 | 2017-03-15 | 浙江绍兴苏泊尔生活电器有限公司 | Power-off control system, coffee machine and electric kettle |
| WO2017137917A1 (en) * | 2016-02-12 | 2017-08-17 | Tech4Sea Srl | Device for realizing an underwater electrical connection |
| CN107065959A (en) * | 2017-05-25 | 2017-08-18 | 慈溪市凯达温控器有限公司 | A kind of bimetal chip thermostat with heating protecting device |
| CN107874625A (en) * | 2016-09-29 | 2018-04-06 | 浙江绍兴苏泊尔生活电器有限公司 | Heating container control circuit, heating container control method and coffee machine |
-
2018
- 2018-07-16 CN CN201810778654.5A patent/CN109028256B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2269653Y (en) * | 1996-07-05 | 1997-12-03 | 陈建强 | Over temperature alarm for power socket |
| US20120061369A1 (en) * | 2006-04-05 | 2012-03-15 | Watlow Electronic Manufacturing Company | Multiple heater control system with expandable modular functionality |
| CN201623333U (en) * | 2009-12-16 | 2010-11-03 | 张盖西 | Intelligent safety power socket |
| CN102931636A (en) * | 2012-10-25 | 2013-02-13 | 东莞市凯恩电子科技有限公司 | Manually-reset overload overtemperature early-warning protection device |
| CN102929166A (en) * | 2012-10-29 | 2013-02-13 | 杭州凯特电器有限公司 | Temperature-based control method and controller of intelligent socket |
| CN202888542U (en) * | 2012-11-15 | 2013-04-17 | 东莞市凯恩电子科技有限公司 | Manual reset overload overtemperature protection socket with pre-warning function |
| CN202888544U (en) * | 2012-11-15 | 2013-04-17 | 东莞市凯恩电子科技有限公司 | Hand reset overload overtemperature protection plug with alarm function |
| CN102983462A (en) * | 2012-11-30 | 2013-03-20 | 东莞市凯恩电子科技有限公司 | Overload over-temperature early warning protection plug with manual reset |
| CN203414860U (en) * | 2013-08-07 | 2014-01-29 | 欧阳佛强 | Controlling and protecting device assembly for electric warming bag |
| KR20160010242A (en) * | 2014-07-17 | 2016-01-27 | 이영우 | Department stores in the safety management system |
| US20160141812A1 (en) * | 2014-11-17 | 2016-05-19 | Chengli Li | Power plug and power receptacle with over-temperature protection function |
| CN204535063U (en) * | 2015-03-24 | 2015-08-05 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| WO2017137917A1 (en) * | 2016-02-12 | 2017-08-17 | Tech4Sea Srl | Device for realizing an underwater electrical connection |
| EP3414800A1 (en) * | 2016-02-12 | 2018-12-19 | Tech4sea S.r.l. | Device for realizing an underwater electrical connection |
| CN105832148A (en) * | 2016-05-26 | 2016-08-10 | 成都灯岛科技有限公司 | Electric kettle control circuit with buzzer |
| CN206006952U (en) * | 2016-06-21 | 2017-03-15 | 浙江绍兴苏泊尔生活电器有限公司 | Power-off control system, coffee machine and electric kettle |
| CN107874625A (en) * | 2016-09-29 | 2018-04-06 | 浙江绍兴苏泊尔生活电器有限公司 | Heating container control circuit, heating container control method and coffee machine |
| CN107065959A (en) * | 2017-05-25 | 2017-08-18 | 慈溪市凯达温控器有限公司 | A kind of bimetal chip thermostat with heating protecting device |
Non-Patent Citations (2)
| Title |
|---|
| 卢子忱等: "两路输出的断电复位温控开关设计", 《自动化与信息工程》 * |
| 顾明文: "可控硅温控器的工作原理及故障维修", 《实验室研究与探索》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950018A (en) * | 2022-12-09 | 2023-04-11 | 珠海格力电器股份有限公司 | Humidifying device and method and humidifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109028256B (en) | 2021-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7193335B2 (en) | Sensing socket assembly | |
| CN103996936B (en) | Intelligent socket and control method for intelligent socket | |
| ES2686429T3 (en) | Power management and control device with remote access | |
| TWI547052B (en) | Power distribution unit and fault detecting method | |
| US9360518B2 (en) | Circuit integrity detection system for detecting the integrity of a sensing wire in electrically heated textiles | |
| CN107591783A (en) | A kind of control method of three phase mains protection circuit and three phase mains protection circuit | |
| US20030107855A1 (en) | Power source protecting device | |
| CN108400499A (en) | Intelligent socket with defencive function | |
| CN109655757A (en) | A kind of detection method and system of UPS standard | |
| CN109028256A (en) | Heating equipment and its control device and method | |
| US10048707B2 (en) | Constant-temperature controlled circuit for an electric heating device | |
| US8089181B2 (en) | System and method to measure load type and exclude the human body model | |
| CN203456872U (en) | Protection circuit for power supply of three-phase power source | |
| CN108603906A (en) | Multi-functional fault circuit interrupter device device and method | |
| CN114256807B (en) | Control method, device, medium and system for realizing overheat protection | |
| CN215449553U (en) | Oven heating pipe fault detection circuit and oven | |
| CN205017100U (en) | Switch condition monitoring device in transformer substation's cabinet | |
| CN209823399U (en) | Electric equipment and leakage protector control device thereof | |
| CN112816914A (en) | Oven heating pipe fault detection circuit and oven | |
| CN207585017U (en) | Control circuit and air-conditioning | |
| CN110752579A (en) | General type protection circuit | |
| CN108879615A (en) | A kind of current foldback circuit | |
| CN218213382U (en) | Wrong line detection circuitry and air conditioner | |
| CN208623325U (en) | overvoltage protection circuit and electric kettle | |
| TWM575111U (en) | Input voltage detection module |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |