CN206191671U - Microwave oven with unloaded temperature -detecting device - Google Patents
Microwave oven with unloaded temperature -detecting device Download PDFInfo
- Publication number
- CN206191671U CN206191671U CN201621242163.1U CN201621242163U CN206191671U CN 206191671 U CN206191671 U CN 206191671U CN 201621242163 U CN201621242163 U CN 201621242163U CN 206191671 U CN206191671 U CN 206191671U
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- temperature
- magnetron
- controller
- micro
- wave oven
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Abstract
The utility model discloses a microwave oven with unloaded temperature -detecting device, include: the furnace body, it is equipped with places the second furnace chamber of waiting to heat the first furnace chamber of article and installing the controller, the magnetron, it is installed through the wave guide the second furnace chamber is inboard, and, unloaded temperature -detecting device, it is located the magnetron is inboard, wherein, unloaded temperature -detecting device includes thermistor, thermistor one end is connected to the power, the other end is connected to the controller. The utility model discloses the side -mounting has the magnetron temperature real time monitoring of thermistor's unloaded temperature -detecting device to the microwave oven in the magnetron to inside temperature through the magnetron is by external the absorption and the cooling determines the state that the microwave oven is in unloaded heating, potential safety hazard that the non - normal operating conditions that has avoided the unloaded heating of microwave oven caused.
Description
Technical field
The utility model is related to microwave heating technique field, and more specifically, the utility model is related to a kind of with zero load
The micro-wave oven of temperature-detecting device.
Background technology
Under the normal working condition with carrying, anode of magnetron temperature is at 250 DEG C or so for micro-wave oven.In the prior art, it is micro-
The only a set of magnetron temperature protective device of ripple stove is placed on magnetron surface crown, such as temperature controller, and the micro-wave oven back side has one
Set radiator fan passively radiates for the surface of magnetron.When micro-wave oven continuous heating in the unloaded state, due in furnace chamber without cooking
Food materials, microwave magnetron energy prepare food situations such as cannot normally discharge, anode of magnetron temperature will be caused rapidly to rise to 400 DEG C of left sides
When right, be placed on magnetron surface crown temperature controller cannot direct reaction magnetron temperature；For example, when magnetron inside temperature
Degree to 400 DEG C or so when, also in 150 DEG C or so, the whole machine of micro-wave oven is in normal heating work for temperature at the top of magnetron
Make state, this will be impacted to the normal work of magnetron and internal electrical part, and microwave energy is stepped up in furnace chamber,
The hidden danger such as furnace chamber sparking, internal electrical equipment loss are increased, external microwave leakage is increased are easily caused, personal safety and surrounding enviroment are made
Into detrimental effect.
Utility model content
For weak point present in above-mentioned technology, the utility model provides a kind of with no load temperature detection means
Micro-wave oven, installs the no load temperature detection means with thermistor real-time to the magnetron temperature of micro-wave oven on the inside of magnetron
Monitoring, and not had by the internal temperature of magnetron and absorbed and lowered the temperature and judge that micro-wave oven is in the shape of unloaded heating by the external world
State, it is to avoid the potential safety hazard that the abnormal operating state of the unloaded heating of micro-wave oven is caused.
In order to realize that the utility model is by the following technical programs according to these purposes of the present utility model and further advantage
Realize：
The utility model provides a kind of micro-wave oven with no load temperature detection means, and it includes：Body of heater, it is provided with placement
First furnace chamber of heated and the second furnace chamber of controller is installed；Magnetron, its pass through waveguide be installed to it is described
Second furnace chamber inner side；And, no load temperature detection means, it is located at the magnetron inner side；Wherein, the no load temperature detection
Device includes thermistor, and the thermistor is electrically connected to the controller.
Preferably, the no load temperature detection means also includes first resistor, second resistance and filter capacitor；It is described
First resistor is in parallel with the second resistance again after being connected with the filter capacitor, and first end in parallel passes through the thermistor
It is connected to power supply, the second termination reference ground in parallel；Junction conduct between the first resistor and the filter capacitor
Voltage signal output end, the voltage signal output end is connected to the controller.
Preferably, also including the radiator fan being fixedly installed on the inside of second furnace chamber, the radiator fan is located at
The side of the magnetron；The radiator fan is electrically connected to the controller.
Preferably, also including the temperature controller of the detection magnetron top temperature；The temperature controller is installed to the magnetic
The upper surface of keyholed back plate；The temperature controller is electrically connected with the controller.
Preferably, the critical-temperature of the temperature controller detection is 90 degree.
Preferably, the critical-temperature of the no load temperature detection means detection is 300 degree.
Preferably, first furnace chamber and second furnace chamber are set up in parallel in the horizontal direction.
The utility model at least includes following beneficial effect：
The micro-wave oven with no load temperature detection means that the utility model is provided, being installed on the inside of magnetron has temperature-sensitive
The no load temperature detection means of resistance to the magnetron temperature monitor in real time of micro-wave oven, and by the internal temperature of magnetron not
To be had absorbed and lowered the temperature and judge that micro-wave oven is in the state of unloaded heating by the external world, it is to avoid the unloaded heating of micro-wave oven it is improper
The potential safety hazard that working condition is caused.
Further advantage of the present utility model, target and feature embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the schematic diagram of the micro-wave oven with no load temperature detection means described in the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the electrical schematic diagram with no load temperature detection means described in the utility model；
In figure：
10- bodies of heater；The furnace chambers of 11- first；The furnace chambers of 12- second；20- controllers；30- magnetrons；40- no load temperatures detection dress
Put；50- waveguides；60- radiator fans；70- temperature controllers；RT- thermistors；R1- first resistors；R2- second resistances；C- is filtered
Electric capacity.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that it is used herein such as " have ", "comprising" and " including " term do not allot one or many
The presence or addition of individual other elements or its combination.
As depicted in figs. 1 and 2, the utility model provides a kind of micro-wave oven with no load temperature detection means, and it includes：
Body of heater 10, it is provided with the first furnace chamber 11 for placing heated and the second furnace chamber 12 for being provided with controller 20；Magnetron
30, it passes through waveguide 50 and is installed to the inner side of the second furnace chamber 12；And, temperature-detecting device 40 is carried, it is located in magnetron 30
Side；No load temperature detection means 40 includes that thermistor RT, thermistor RT are electrically connected to controller 20.
In above-mentioned implementation method, specific installation sites of the thermistor RT in the inner side of magnetron 30 is not limited, and meets temperature-sensitive electricity
Resistance RT can be with the temperature of the inner side of Real-time Collection magnetron 30.First furnace chamber 11 and the second furnace chamber 12 are preferably in the horizontal direction
It is set up in parallel.The no load temperature detection means 40 with thermistor RT is installed in the inner side of magnetron 30, thermistor RT is to micro-
The temperature Real-time Collection of magnetron 30 of ripple stove, and the real time temperature of collection is fed back into controller, then by controller to real-time
The internal temperature for gathering the magnetron 30 of feedback is analyzed：If the internal temperature of magnetron 30 does not occur extraneous
Absorb and lower the temperature, then micro-wave oven is in the state of unloaded heating, controller sends open command to power supply, and deenergization stops
The continuation heating of micro-wave oven.The implementation method, is examined by installing the no load temperature with thermistor RT in the inner side of magnetron 30
Device 40 is surveyed to the temperature monitor in real time of magnetron 30 of micro-wave oven, and is not had by the internal temperature of magnetron 30 and is inhaled by the external world
Receive and lower the temperature and judge that micro-wave oven is in the state of unloaded heating, it is to avoid the abnormal operating state of micro-wave oven unloaded heating is made
Into potential safety hazard.
As a kind of preferred embodiment of the present utility model, no load temperature detection means 40 also include first resistor R1,
Second resistance R2 and filter capacitor C；First resistor R1 is in parallel with second resistance R2 again after being connected with filter capacitor C, in parallel
First end is connected to power supply, the second termination reference ground in parallel by thermistor RT；First resistor R1 and filter capacitor C it
Between junction as voltage signal output end VOUT, voltage signal output end VOUTIt is connected to controller 20.From the figure 3, it may be seen that the
Connected with thermistor RT after one resistance R1 and second resistance R2 parallel connections, partial pressure is carried out to thermistor RT.Specifically, temperature-sensitive is worked as
When resistance RT detects temperature and changes, the resistance of thermistor RT can be changed with negative temperature coefficient, and temperature is raised, resistance
Value diminishes, conversely, resistance increases, with second resistance R2 partial pressures, output voltage signal V after change in resistanceOUTTransmit to controller
20, controller 20 is according to voltage VOUTCalculate the temperature value of real-time thermistor RT, and by the real time temperature of thermistor RT
Value is compared with the preset temperature value of controller 20, and the real-time temperature values of thermistor RT are more than preset temperature value, then controller
20 send open command to power supply, and deenergization stops the heating of micro-wave oven, micro-wave oven is in holding state.
Used as a kind of preferred embodiment of the present utility model, the critical-temperature of the detection of no load temperature detection means 40 is
300 degree, the i.e. preset temperature value of controller 20 are 300 degree, if in the state of the unloaded heating of micro-wave oven, the temperature of the inner side of magnetron 30
, more than 300 degree, other electrical equipment to the inner side of 30 and second furnace chamber of magnetron 12 are all lossy, reduce the use of microwave ovens longevity for degree
Life safety around life, and influence.When the temperature of magnetron 30 is more than 300 degree, controller 20 sends instruction deenergization, allows
Micro-wave oven is in holding state, to protect the life safety of micro-wave oven and surrounding.
Used as a kind of preferred embodiment of the present utility model, micro-wave oven also includes being fixedly installed to the inner side of the second furnace chamber 12
Radiator fan 60, radiator fan 60 be located at magnetron 30 side；Radiator fan 60 is electrically connected to controller 20.Work as magnetron
30 temperature exceedes the preset temperature value of controller 20, and controller 20 sends control instruction and run to radiator fan 60, to magnetic control
Pipe 30 is lowered the temperature.
Used as a kind of preferred embodiment of the present utility model, micro-wave oven also includes the temperature of the detection top temperature of magnetron 30
Control device 70；Temperature controller 70 is installed to the upper surface of magnetron 30；Temperature controller 70 is electrically connected with controller 20.Temperature controller 70 is used for real
When detection magnetron 30 outside temperature.More specifically, the critical-temperature of the detection of temperature controller 70 is 90 degree, i.e. temperature controller 70 is examined
More than 90 degree, controller 20 sends open command to the real time temperature of survey, and deenergization, micro-wave oven is in holding state.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and implementation method
Listed utilization.It can be applied to various suitable fields of the present utility model completely.For those skilled in the art
It is easily achieved other modification.Therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (7)
1. a kind of micro-wave oven with no load temperature detection means, it is characterised in that including：
Body of heater (10), it is provided with the first furnace chamber (11) for placing heated and the second furnace chamber for being provided with controller (20)
(12)；
Magnetron (30), it passes through waveguide (50) and is installed to the second furnace chamber (12) inner side；And,
No load temperature detection means (40), it is located at the magnetron (30) inner side；
Wherein, the no load temperature detection means (40) includes thermistor (RT), and the thermistor (RT) is electrically connected to institute
State controller (20).
2. there is the micro-wave oven of no load temperature detection means as claimed in claim 1, it is characterised in that the no load temperature inspection
Surveying device (40) also includes first resistor (R1), second resistance (R2) and filter capacitor (C)；
The first resistor (R1) is in parallel with the second resistance (R2) again after being connected with the filter capacitor (C), and in parallel the
One end is connected to power supply, the second termination reference ground in parallel by the thermistor (RT)；
Junction between the first resistor (R1) and the filter capacitor (C) as voltage signal output end, the voltage
Signal output part is connected to the controller (20).
3. there is the micro-wave oven of no load temperature detection means as claimed in claim 1, it is characterised in that also including fixed installation
Radiator fan (60) on the inside of second furnace chamber (12), side of the radiator fan (60) positioned at the magnetron (30)
Side；The radiator fan (60) is electrically connected to the controller (20).
4. there is the micro-wave oven of no load temperature detection means as claimed in claim 3, it is characterised in that also described including detection
The temperature controller (70) of magnetron (30) top temperature；The temperature controller (70) is installed to the upper surface of the magnetron (30)；Institute
Temperature controller (70) is stated to be electrically connected with the controller (20).
5. there is the micro-wave oven of no load temperature detection means as claimed in claim 4, it is characterised in that the temperature controller (70)
The critical-temperature of detection is 90 degree.
6. there is the micro-wave oven of no load temperature detection means as claimed in claim 1, it is characterised in that the no load temperature inspection
The critical-temperature for surveying device detection is 300 degree.
7. there is the micro-wave oven of no load temperature detection means as claimed in claim 1, it is characterised in that first furnace chamber
(11) it is set up in parallel in the horizontal direction with second furnace chamber (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621242163.1U CN206191671U (en) | 2016-11-15 | 2016-11-15 | Microwave oven with unloaded temperature -detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621242163.1U CN206191671U (en) | 2016-11-15 | 2016-11-15 | Microwave oven with unloaded temperature -detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206191671U true CN206191671U (en) | 2017-05-24 |
Family
ID=58727247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621242163.1U Expired - Fee Related CN206191671U (en) | 2016-11-15 | 2016-11-15 | Microwave oven with unloaded temperature -detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206191671U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559903A (en) * | 2017-09-21 | 2018-01-09 | 广东美的厨房电器制造有限公司 | Judge unloaded method, system, computer equipment, storage medium and micro-wave oven |
| CN107960881A (en) * | 2017-12-22 | 2018-04-27 | 珠海格力电器股份有限公司 | Temperature limiting protection structure of steaming and baking equipment and steaming and baking equipment |
| CN109362138A (en) * | 2018-10-08 | 2019-02-19 | 广东美的厨房电器制造有限公司 | A kind of control method of micro-wave oven and micro-wave oven |
| CN111059584A (en) * | 2019-12-31 | 2020-04-24 | 广东威特真空电子制造有限公司 | No-load detection method, microwave cooking apparatus, and computer-readable storage medium |
| CN112013432A (en) * | 2020-07-17 | 2020-12-01 | 广东美的厨房电器制造有限公司 | Microwave oven, control method thereof, and computer readable medium |
| CN114680626A (en) * | 2020-12-29 | 2022-07-01 | 珠海优特智厨科技有限公司 | Cooking system, cooking control method, storage medium, computer equipment |
| CN114947498A (en) * | 2021-02-26 | 2022-08-30 | 广东美的厨房电器制造有限公司 | Radio frequency cooking appliance and control method |
-
2016
- 2016-11-15 CN CN201621242163.1U patent/CN206191671U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559903A (en) * | 2017-09-21 | 2018-01-09 | 广东美的厨房电器制造有限公司 | Judge unloaded method, system, computer equipment, storage medium and micro-wave oven |
| CN107559903B (en) * | 2017-09-21 | 2019-10-01 | 广东美的厨房电器制造有限公司 | Judge unloaded method, system, computer equipment, storage medium and micro-wave oven |
| CN107960881A (en) * | 2017-12-22 | 2018-04-27 | 珠海格力电器股份有限公司 | Temperature limiting protection structure of steaming and baking equipment and steaming and baking equipment |
| CN107960881B (en) * | 2017-12-22 | 2023-09-22 | 珠海格力电器股份有限公司 | Temperature limiting protection structure of steaming and baking equipment and steaming and baking equipment |
| CN109362138A (en) * | 2018-10-08 | 2019-02-19 | 广东美的厨房电器制造有限公司 | A kind of control method of micro-wave oven and micro-wave oven |
| CN111059584A (en) * | 2019-12-31 | 2020-04-24 | 广东威特真空电子制造有限公司 | No-load detection method, microwave cooking apparatus, and computer-readable storage medium |
| CN112013432A (en) * | 2020-07-17 | 2020-12-01 | 广东美的厨房电器制造有限公司 | Microwave oven, control method thereof, and computer readable medium |
| CN114680626A (en) * | 2020-12-29 | 2022-07-01 | 珠海优特智厨科技有限公司 | Cooking system, cooking control method, storage medium, computer equipment |
| CN114947498A (en) * | 2021-02-26 | 2022-08-30 | 广东美的厨房电器制造有限公司 | Radio frequency cooking appliance and control method |
| CN114947498B (en) * | 2021-02-26 | 2025-03-18 | 广东美的厨房电器制造有限公司 | Radio frequency cooking device and control method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |