CN107647763A - cooking appliance - Google Patents
cooking appliance Download PDFInfo
- Publication number
- CN107647763A CN107647763A CN201610595709.XA CN201610595709A CN107647763A CN 107647763 A CN107647763 A CN 107647763A CN 201610595709 A CN201610595709 A CN 201610595709A CN 107647763 A CN107647763 A CN 107647763A
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- Prior art keywords
- signal
- cooking appliance
- temperature
- wave signal
- electromagnetic
- 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.)
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- 238000010411 cooking Methods 0.000 title claims abstract description 55
- 238000010897 surface acoustic wave method Methods 0.000 claims description 30
- 239000000758 substrate Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000001902 propagating effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000004888 barrier function Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 5
- 235000010469 Glycine max Nutrition 0.000 description 3
- 244000068988 Glycine max Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000009331 sowing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Induction Heating Cooking Devices (AREA)
- Cookers (AREA)
Abstract
The invention provides a kind of cooking appliance, including：Cooking appliance main body；At least one SAW Temperature Sensors, it is arranged in cooking appliance main body, for sensing the temperature of detected part, and the electromagnetic scanning signals sent for reception signal read write line, and returns to the electromagnetic wave signal for carrying temperature signal；Signal read write line is arranged in cooking appliance main body, for sending electromagnetic scanning signals at least one SAW Temperature Sensors, and the electromagnetic wave signal that at least one SAW Temperature Sensors return is received, the temperature signal that at least one SAW Temperature Sensors sense is determined according to electromagnetic wave signal.Technical scheme makes it possible to easily install the device of detection temperature inside cooking apparatus, while can also avoid using the insulating properties that can have wire by the way of thermistor is come detection temperature declining in correlation technique or insulating barrier damages and the problem of produce potential safety hazard.
Description
Technical field
The present invention relates to technical field of electric appliances, in particular to a kind of cooking appliance.
Background technology
At present, the widely used thermistor of cooking appliance coordinates the thermometric mode of detection circuit, using this
Kind thermometric mode needs to connect thermistor and temp measuring system progress signal transmission by wire.Work as needs
When carrying out multi-point temperature measurement, multiple thermistors need to be connected with temp measuring system by a plurality of wire, so
Cause the casing internal wire of cooking appliance more, because wire works in high temperature environments for a long time, because
This can cause its decreasing insulating, and then potential safety hazard occurs；Simultaneously as wire is more,
Therefore the potential safety hazard of short-circuit fire is caused there is also insulating barrier is scratched by the structure of casing internal.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the invention to propose a kind of new cooking appliance, enabling easily
The device of detection temperature is installed inside cooking apparatus, while can also be avoided in correlation technique using heat
The insulating properties that the mode that quick resistance carrys out detection temperature can have wire declines or insulating barrier damages and produces peace
The problem of full hidden danger.
To achieve the above object, embodiment according to the first aspect of the invention, it is proposed that one kind culinary art
Electrical equipment, including：Cooking appliance main body；At least one SAW Temperature Sensors, it is arranged on described
In cooking appliance main body, sent for sensing the temperature of detected part, and for reception signal read write line
Electromagnetic scanning signals, according to the electromagnetic scanning signals return carry temperature signal electromagnetic wave believe
Number；The signal read write line, it is arranged in the cooking appliance main body, for described at least one
SAW Temperature Sensors send electromagnetic scanning signals, and receive at least one surface acoustic wave temperature
The electromagnetic wave signal that sensor returns is spent, at least one sound table is determined according to the electromagnetic wave signal
The temperature signal that face ripple temperature sensor senses.
Cooking appliance according to an embodiment of the invention, SAW Temperature Sensors are receiving signal
After the electromagnetic scanning signals that read write line is sent, surface acoustic wave signal can be converted into, and surface acoustic wave
The propagation characteristic (such as frequency) and temperature line relationship of signal, therefore the sound table influenceed by temperature
For face ripple signal when being converted into electromagnetic wave signal and being back to signal read write line, signal read write line being capable of evidence
This determines temperature signal that SAW Temperature Sensors sense.Due to surface acoustic wave TEMP
Device need not set connecting wire and power supply source, therefore by using SAW Temperature Sensors and signal
Read write line come coordinate detection cooking appliance in temperature, enabling easily enter inside cooking apparatus
Row installation, while can also avoid having the exhausted of wire in correlation technique by the way of thermistor
The problem of edge declines or insulating barrier damages and produces potential safety hazard.
Cooking appliance according to the abovementioned embodiments of the present invention, there can also be following technical characteristic：
According to one embodiment of present invention, any SAW Temperature Sensors include：First
Antenna, piezoelectric substrate, and it is arranged on first interdigital transducer and second at the piezoelectric substrate both ends
Interdigital transducer；Wherein, the first antenna is used to receive the electromagnetic scanning signals, and sends institute
State electromagnetic wave signal；First interdigital transducer is used to sweep the electromagnetism that the first antenna receives
To retouch signal and be converted to surface acoustic wave signal, the piezoelectric substrate is used to propagate the surface acoustic wave signal,
The surface acoustic wave signal that second interdigital transducer is used to propagate the piezoelectric substrate is converted to
The electromagnetic wave signal.
Wherein, surface acoustic wave signal uploads sowing time in piezoelectric substrate, and its transmission characteristic can be by piezoelectricity base
The temperature that piece senses influences, and then the second interdigital transducer is in the surface acoustic wave for propagating piezoelectric substrate
After signal is converted to electromagnetic wave signal, the propagation characteristic of the electromagnetic wave signal can also occur to change accordingly
Become, and then signal read write line can determine surface acoustic wave temperature by the parsing to the electromagnetic wave signal
The temperature signal that sensor detects.
According to one embodiment of present invention, the signal read write line has the second antenna, the signal
Read write line sends the electromagnetic scanning signals by second antenna, and is connect by second antenna
Receive the electromagnetic wave signal.
In this embodiment, the second antenna realizes electromagnetic scanning by the communication between first antenna
The transmission of signal and electromagnetic wave signal.
According to one embodiment of present invention, the cooking appliance also includes：Main control board, connection
To the signal read write line, at least one sound surface determined for receiving the signal read write line
The temperature signal that ripple temperature sensor senses.
In this embodiment, main control board can be based on the temperature after temperature signal is received
Work of the signal to cooking appliance is controlled, and such as adjusts heating power, the heating duration of cooking appliance
Deng.
According to one embodiment of present invention, the cooking appliance also includes：Display module, it is connected to
The main control board, for showing Temperature numerical corresponding to the temperature signal.
In this embodiment, by setting display module to enter Temperature numerical corresponding to said temperature signal
Row display so that user will appreciate that the working condition of cooking appliance, in order to enter to cooking appliance
Row control.In addition, display module can be also used for showing other parameters when cooking appliance works, such as
Operating time, mode of operation etc..
According to one embodiment of present invention, multiple sound tables are provided with the cooking appliance main body
Face ripple temperature sensor, the resonant frequency of multiple SAW Temperature Sensors is different, institute
State signal read write line and different surface acoustic wave temperature are obtained by launching the electromagnetic scanning signals of different frequency range
The electromagnetic wave signal that sensor returns.
In this embodiment, because the resonant frequency of multiple SAW Temperature Sensors is different,
And signal read write line obtains different surface acoustic wave temperature by launching the electromagnetic scanning signals of different frequency range
The electromagnetic wave signal that sensor returns so that signal read write line can distinguish different surface acoustic wave temperature
The electromagnetic wave signal that sensor is sent, and then can determine the temperature of different detected parts.
According to one embodiment of present invention, the electromagnetic scanning signals and the electromagnetic wave signal are
Radiofrequency signal.
In an embodiment of the present invention, above-mentioned cooking appliance includes：Electric cooker, soy bean milk making machine etc..
In a preferred embodiment of the invention, the cooking appliance can be electric cooker, now cook
Electrical equipment main body of preparing food is cooker body.
In one embodiment of the invention, the cooker body includes the accommodating chamber of pot and covering institute in receiving
The upper lid of accommodating chamber is stated, the interior pot is used to place heating object, at least one surface acoustic wave temperature
Degree sensor is used for the temperature for sensing the interior pot.
In one embodiment of the invention, contacted in the cooker body with the side wall of the interior pot and bottom
Position on, and the SAW Temperature Sensors are respectively arranged with the upper lid, with respectively
Sense side wall, bottom and the temperature on top of the interior pot.
In this embodiment, by the position that is contacted in cooker body with the side wall of interior pot and bottom, with
And SAW Temperature Sensors are set respectively on upper lid, enabling the temperature of pot in multi-faceted detection
Degree, and then cooking appliance can be controlled exactly.
The additional aspect and advantage of the present invention will be set forth in part in the description, partly will be from following
Description in become obvious, or by the present invention practice recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention is retouched from reference to accompanying drawings below to embodiment
It will be apparent and be readily appreciated that in stating, wherein：
Fig. 1 shows the structural representation of electric cooker according to an embodiment of the invention；
Fig. 2 shows that the internal structure of SAW Temperature Sensors according to an embodiment of the invention is shown
It is intended to.
Embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, with reference to attached
The present invention is further described in detail for figure and embodiment.It should be noted that not
In the case of conflict, the feature in embodiments herein and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still,
The present invention can also be different from other modes described here to implement using other, therefore, the present invention
Protection domain do not limited by following public specific embodiment.
Thermometric mode of the technical scheme primarily directed to cooking appliance, it is proposed that a kind of new
Technical scheme, using being provided with signal read write line and at least one sound in the cooking appliance of the technical scheme
Surface wave temperature sensor.Wherein, signal read write line is used to send electricity to SAW Temperature Sensors
Magnetic scanning signal, the electromagnetic scanning signals that SAW Temperature Sensors reception signal read write line is sent,
And the electromagnetic wave signal for carrying temperature signal is returned, and then signal read write line receives electromagnetic wave letter
Number, the temperature signal that SAW Temperature Sensors sense is determined according to the electromagnetic wave signal.
Above-mentioned cooking appliance can be the cooking appliances such as electric cooker, soy bean milk making machine, in order to the present invention's
Technical scheme is described in detail, and is described further below by taking electric cooker as an example：
As shown in figure 1, electric cooker according to an embodiment of the invention, including：Cooker body, it is arranged on pot
Internal signal read write line 4 and at least one SAW Temperature Sensors.Cooker body includes pot in receiving
2 accommodating chamber and the upper lid 3 for covering the accommodating chamber, the interior pot 2 are used to place heating object,
At least one SAW Temperature Sensors are used for the temperature for sensing the interior pot 2.In cooker body also
Control panel can be provided with.
Wherein, in the electric cooker shown in Fig. 1, three surface acoustic wave temperature biographies are provided with cooker body
Sensor, the SAW Temperature Sensors 1a being provided in respectively on lid 3, be arranged in cooker body with
The SAW Temperature Sensors 1b and be arranged in cooker body and interior pot 2 that the side wall of interior pot 2 is in contact
The tactile SAW Temperature Sensors 1c of bottom connection, these three SAW Temperature Sensors difference
The temperature on the top of pot 2, side wall and bottom in sensing.
In other embodiments of the invention, any one or its that can also be only in above three position
In two positions SAW Temperature Sensors are set.
When setting multiple SAW Temperature Sensors in electric cooker, this multiple surface acoustic wave temperature passes
The resonant frequency of sensor is different, and signal read write line 4 is believed by launching the electromagnetic scanning of different frequency range
Number obtain the electromagnetic wave signal that different SAW Temperature Sensors return.
Specifically, because the resonant frequency of multiple SAW Temperature Sensors is different, and signal
Read write line 4 obtains different surface acoustic wave TEMPs by launching the electromagnetic scanning signals of different frequency range
The electromagnetic wave signal that device returns so that signal read write line 4 can distinguish different surface acoustic wave temperature and pass
The electromagnetic wave signal that sensor is sent, and then can determine the temperature of different detected parts.
Electromagnetic scanning signals and electromagnetic wave signal described above are radiofrequency signal.
In the inventive solutions, the purpose of setting signal read write line 4 is used for surface acoustic wave
Temperature sensor sends electromagnetic scanning signals, and receives the electromagnetic wave of SAW Temperature Sensors return
Signal, the temperature signal that SAW Temperature Sensors sense is determined according to the electromagnetic wave signal；Sound
Surface wave temperature sensor is used for the electromagnetic scanning signals that reception signal read write line 4 is sent, according to the electricity
Magnetic scanning signal returns to the electromagnetic wave signal for carrying temperature signal.
Specifically, as shown in Fig. 2 surface acoustic wave TEMP according to an embodiment of the invention
Device, including：First antenna (not shown), piezoelectric substrate 11, and it is arranged on piezoelectricity base
First interdigital transducer 12 and the second interdigital transducer 13 at the both ends of piece 11；Wherein, first antenna
The electromagnetic scanning signals sent for reception signal read write line 4, the first interdigital transducer 12 is used for will
The electromagnetic scanning signals that first antenna receives are converted to surface acoustic wave signal, and piezoelectric substrate 11 is used for
Surface acoustic wave signal is propagated, the second interdigital transducer 13 is used for the sound surface for propagating piezoelectric substrate 11
Ripple signal is converted to electromagnetic wave signal, and then the electromagnetic wave signal is sent to signal read again by first antenna
Write device 4.
Due to surface acoustic wave signal piezoelectric substrate 11 upload sowing time, its propagation characteristic can be by piezoelectricity
The temperature that substrate 11 senses influences, and specifically, the propagation characteristic of surface acoustic wave signal is (such as frequency
Rate) and temperature line relationship, for example the change of its frequency and temperature be changing into proportionate relationship, enters
And the second interdigital transducer 13 is converted to electromagnetic wave in the surface acoustic wave signal for propagating piezoelectric substrate 11
After signal, the propagation characteristic of the electromagnetic wave signal can also occur to change accordingly, and then signal is read and write
What device 4 can be detected by the parsing to the electromagnetic wave signal to determine SAW Temperature Sensors
Temperature signal.
It can be seen that in the inventive solutions, because SAW Temperature Sensors are without the company of setting
Wire and power supply source are connect, therefore is matched somebody with somebody by using SAW Temperature Sensors and signal read write line 4
Close the temperature in detection cooking appliance (such as electric cooker), enabling easily inside cooking apparatus
Installed, while can also avoid having wire in correlation technique by the way of thermistor
The problem of insulating properties declines or insulating barrier damages and produces potential safety hazard.
Further, as shown in figure 1, signal read write line 4 has the second antenna 41, signal read-write
Device 4 sends electromagnetic scanning signals by the second antenna 41, and passes through the reception sound surface of the second antenna 41
The electromagnetic wave signal that ripple temperature sensor returns.
Further, as shown in figure 1, electric cooker also includes：Main control board 5, it is connected to described
Signal read write line 4, at least one surface acoustic wave temperature determined for reception signal read write line 4
The temperature signal that sensor senses.Wherein, main control board 5 is after temperature signal is received,
It can be controlled based on work of the temperature signal to electric cooker, such as adjust the heating work(of electric cooker
Rate, heating duration etc..Preferably, the antenna 41 of signal read write line 4 and second can be arranged on master control
On circuit board 5.
Further, electric cooker also includes：Display module (not shown), it is connected to master control electricity
Road plate 5, Temperature numerical corresponding to the temperature signal determined for showing signal read write line 4.
By setting display module to show Temperature numerical corresponding to said temperature signal so that use
Family will appreciate that the working condition of electric cooker, in order to be controlled to electric cooker.In addition, display
Module can be also used for showing other parameters during electric cooker work, such as operating time, mode of operation
Deng.
Technical scheme can also be applied in other cooking appliances to be examined to temperature
Survey, as applied to soy bean milk making machine, electromagnetic oven are medium, and the setting for SAW Temperature Sensors
Number and set location, can also be adjusted correspondingly according to actual conditions.
Technical scheme is described in detail above in association with accompanying drawing, and the present invention proposes a kind of new
Cooking appliance, enabling the device of detection temperature is easily installed inside cooking apparatus, while
The insulating properties that there can be wire in correlation technique by the way of thermistor is come detection temperature can be avoided
The problem of decline or insulating barrier damage and produce potential safety hazard.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for
For those skilled in the art, the present invention can have various modifications and variations.All essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the present invention with principle
Protection domain within.
Claims (10)
- A kind of 1. cooking appliance, it is characterised in that including：Cooking appliance main body；At least one SAW Temperature Sensors, it is arranged in the cooking appliance main body, for feeling The temperature of detected part, and the electromagnetic scanning signals sent for reception signal read write line are surveyed, according to institute State electromagnetic scanning signals and return to the electromagnetic wave signal for carrying temperature signal；The signal read write line, it is arranged in the cooking appliance main body, for described at least one SAW Temperature Sensors send electromagnetic scanning signals, and receive at least one surface acoustic wave temperature The electromagnetic wave signal that sensor returns is spent, at least one sound table is determined according to the electromagnetic wave signal The temperature signal that face ripple temperature sensor senses.
- 2. cooking appliance according to claim 1, it is characterised in that any sound surface Ripple temperature sensor includes：First antenna, piezoelectric substrate, and it is arranged on the piezoelectric substrate both ends The first interdigital transducer and the second interdigital transducer；Wherein, the first antenna is used to receive the electromagnetic scanning signals, and sends the electromagnetic wave Signal；The electromagnetic scanning signals that first interdigital transducer is used to receive the first antenna turn It is changed to surface acoustic wave signal, the piezoelectric substrate is used to propagating the surface acoustic wave signal, and described second The surface acoustic wave signal that interdigital transducer is used to propagate the piezoelectric substrate is converted to the electromagnetism Ripple signal.
- 3. cooking appliance according to claim 1, it is characterised in that the signal read write line With the second antenna, the signal read write line sends the electromagnetic scanning by second antenna to be believed Number, and the electromagnetic wave signal is received by second antenna.
- 4. cooking appliance according to claim 1, it is characterised in that also include：Main control board, the signal read write line is connected to, is determined for receiving the signal read write line The temperature signal that senses of at least one SAW Temperature Sensors.
- 5. cooking appliance according to claim 4, it is characterised in that also include：Display module, the main control board is connected to, it is warm corresponding to the temperature signal for showing Number of degrees value.
- 6. cooking appliance according to claim 1, it is characterised in that the cooking appliance master Multiple SAW Temperature Sensors, multiple SAW Temperature Sensors are provided with vivo Resonant frequency it is different, the signal read write line is by launching the electromagnetic scanning signals of different frequency range To obtain the electromagnetic wave signal that different SAW Temperature Sensors return.
- 7. cooking appliance according to claim 1, it is characterised in that the electromagnetic scanning letter Number and the electromagnetic wave signal be radiofrequency signal.
- 8. cooking appliance according to any one of claim 1 to 7, it is characterised in that institute Stating cooking appliance includes electric cooker, and the cooking appliance main body is cooker body.
- 9. cooking appliance according to claim 8, it is characterised in that the cooker body includes holding Receive interior pot accommodating chamber and cover the upper lid of the accommodating chamber, the interior pot is used to place heating object, At least one SAW Temperature Sensors are used for the temperature for sensing the interior pot.
- 10. cooking appliance according to claim 9, it is characterised in that in the cooker body with institute State in the side wall of interior pot and the position of bottom contact, and the sound table is respectively arranged with the upper lid Face ripple temperature sensor, to sense the side wall of the interior pot, bottom and the temperature on top respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610595709.XA CN107647763A (en) | 2016-07-26 | 2016-07-26 | cooking appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610595709.XA CN107647763A (en) | 2016-07-26 | 2016-07-26 | cooking appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107647763A true CN107647763A (en) | 2018-02-02 |
Family
ID=61127565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610595709.XA Pending CN107647763A (en) | 2016-07-26 | 2016-07-26 | cooking appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107647763A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10390656B2 (en) | 2017-08-09 | 2019-08-27 | Sharkninja Operating Llc | Cooking device and components thereof |
| USD873602S1 (en) | 2018-08-09 | 2020-01-28 | Sharkninja Operating Llc | Lid part of a food preparation device |
| USD874211S1 (en) | 2018-08-09 | 2020-02-04 | Sharkninja Operating Llc | Food preparation device and parts thereof |
| USD903415S1 (en) | 2018-08-09 | 2020-12-01 | Sharkninja Operating Llc | Cooking basket |
| USD914447S1 (en) | 2018-06-19 | 2021-03-30 | Sharkninja Operating Llc | Air diffuser |
| CN112617577A (en) * | 2020-12-11 | 2021-04-09 | 珠海格力电器股份有限公司 | Cooking utensil |
| USD918654S1 (en) | 2019-06-06 | 2021-05-11 | Sharkninja Operating Llc | Grill plate |
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