CN206080110U - Electric appliance for cooking - Google Patents
Electric appliance for cooking Download PDFInfo
- Publication number
- CN206080110U CN206080110U CN201620794108.7U CN201620794108U CN206080110U CN 206080110 U CN206080110 U CN 206080110U CN 201620794108 U CN201620794108 U CN 201620794108U CN 206080110 U CN206080110 U CN 206080110U
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- Prior art keywords
- signal
- cooking appliance
- temperature
- temperature sensors
- wave signal
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- Induction Heating Cooking Devices (AREA)
Abstract
The utility model provides an electric appliance for cooking, include: the electric appliance for cooking main part, be provided with control panel in the electric appliance for cooking main part, at least one surface acoustic wave temperature sensor sets up in the electric appliance for cooking main part for the sensing temperature at position that awaits measuring, and the electromagnetism scanning signal who is used for the received signal read write line to send, and return the electromagnetic wave signal that carries temperature signal, the signal read write line sets up in the electric appliance for cooking main part for send electromagnetism scanning signal to at least one surface acoustic wave temperature sensor, and receive the electromagnetic wave signal that at least one surface acoustic wave temperature sensor returned, confirm the temperature signal that at least one surface acoustic wave temperature sensor sensing arrived according to the electromagnetic wave signal. The utility model discloses the feasible device that can conveniently detect the temperature at cooking utensil internally mounted, decline of insulating nature or the insulating layer that can there be the wire in the mode that also can avoid adopting thermistor to detect the temperature in the correlation technique simultaneously damage and the problem of production potential safety hazard.
Description
Technical field
The utility model is related 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 thermometric mode
Need to carry out signal transmission with temp measuring system by wire connection thermistor.When needing to carry out multi-point temperature measurement, multiple temperature-sensitives
Resistance needs to be connected with temp measuring system by a plurality of wire, so causes the casing internal wire of cooking appliance more, due to leading
The line length phase works in high temperature environments, therefore can cause its decreasing insulating, and then potential safety hazard occurs；Simultaneously as
Wire is more, thus there is also by casing internal structure scratch insulating barrier and cause the potential safety hazard of short-circuit fire.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art or correlation technique.
For this purpose, the purpose of this utility model is to propose a kind of new cooking appliance, enabling easily in culinary art
Appliance internal installs the device of detection temperature, while also can avoid in correlation technique using thermistor come the side of detection temperature
Formula can have that the insulating properties of wire declines or insulating barrier is damaged and produces potential safety hazard.
For achieving the above object, according to the embodiment of first aspect of the present utility model, it is proposed that a kind of cooking appliance, bag
Include：Cooking appliance main body, in the cooking appliance main body control panel is provided with；At least one SAW Temperature Sensors,
It is arranged in the cooking appliance main body, for sensing the temperature of detected part, and for receiving the electricity of signal read write line transmission
Magnetic scanning signal, the electromagnetic wave signal for carrying temperature signal is returned according to the electromagnetic scanning signals；The signal read write line,
It is arranged in the cooking appliance main body, for sending electromagnetic scanning letter at least one SAW Temperature Sensors
Number, and the electromagnetic wave signal that at least one SAW Temperature Sensors are returned is received, it is true according to the electromagnetic wave signal
The temperature signal that fixed at least one SAW Temperature Sensors are sensed.
According to the cooking appliance of embodiment of the present utility model, SAW Temperature Sensors are receiving signal read write line
After the electromagnetic scanning signals of transmission, surface acoustic wave signal can be converted into, and the propagation characteristic of surface acoustic wave signal is (such as frequency
Rate) and temperature line relationship, therefore suffer from the surface acoustic wave signal of temperature impact and be back to being converted into electromagnetic wave signal
During signal read write line, signal read write line can accordingly determine the temperature signal that SAW Temperature Sensors are sensed.Due to
SAW Temperature Sensors need not arrange connecting wire and power supply source, therefore by using SAW Temperature Sensors and letter
Number read write line is coordinating the temperature in detection cooking appliance, enabling easily installed inside cooking apparatus, while
Also the insulating properties decline that can there is wire in correlation technique by the way of thermistor or insulating barrier can be avoided to damage and produce
The problem of raw potential safety hazard.
According to the cooking appliance of above-described embodiment of the present utility model, there can also be following technical characteristic：
According to one embodiment of the present utility model, arbitrary SAW Temperature Sensors include：First antenna, pressure
Electric substrate, and it is arranged on first interdigital transducer and the second interdigital transducer at the piezoelectric substrate two ends；Wherein, described
One antenna is used to receive the electromagnetic scanning signals, and sends the electromagnetic wave signal；First interdigital transducer is used for will
The electromagnetic scanning signals that the first antenna is received are converted to surface acoustic wave signal, and the piezoelectric substrate is used to propagate the sound
Surface wave signal, second interdigital transducer is used to for the surface acoustic wave signal that the piezoelectric substrate is propagated to be converted to institute
State electromagnetic wave signal.
Wherein, surface acoustic wave signal uploads sowing time in piezoelectric substrate, and its transmission characteristic can be sensed by piezoelectric substrate
Temperature affect, and then the second interdigital transducer the surface acoustic wave signal for propagating piezoelectric substrate be converted to electromagnetic wave signal it
Afterwards, the propagation characteristic of the electromagnetic wave signal can also occur corresponding change, and then signal read write line can be by the electromagnetic wave
The parsing of signal is determining the temperature signal that SAW Temperature Sensors are detected.
According to one embodiment of the present utility model, the signal read write line has the second antenna, the signal read write line
The electromagnetic scanning signals are sent by second antenna, and the electromagnetic wave signal is received by second antenna.
In this embodiment, the second antenna realizes electromagnetic scanning signals and electromagnetism by the communication between first antenna
The transmission of ripple signal.
According to one embodiment of the present utility model, the cooking appliance also includes：Main control board, is connected to the letter
Number read write line, for receiving the temperature that at least one SAW Temperature Sensors that the signal read write line determines are sensed
Degree signal.
In this embodiment, main control board, can be based on the temperature signal to culinary art after temperature signal is received
The work of electrical equipment is controlled, and such as adjusts heating power, the heating duration of cooking appliance.
According to one embodiment of the present utility model, the cooking appliance also includes：Display module, is connected to the master control
Circuit board, for showing the corresponding Temperature numerical of the temperature signal.
In this embodiment, the corresponding Temperature numerical of said temperature signal is shown by arranging display module, is made
The working condition that user will appreciate that cooking appliance is obtained, in order to be controlled to cooking appliance.Additionally, display module may be used also
For showing other parameters when cooking appliance works, such as operating time, mode of operation.
According to one embodiment of the present utility model, multiple surface acoustic wave temperature are provided with the cooking appliance main body
Degree sensor, the resonant frequency of multiple SAW Temperature Sensors is different, and the signal read write line is by transmitting
The electromagnetic scanning signals of different frequency range are obtaining the electromagnetic wave signal that different SAW Temperature Sensors are returned.
In this embodiment, because the resonant frequency of multiple SAW Temperature Sensors is different, and signal is read and write
Device obtains the electromagnetic wave signal that different SAW Temperature Sensors are returned by launching the electromagnetic scanning signals of different frequency range,
Enable signal read write line to distinguish the electromagnetic wave signal that different SAW Temperature Sensors send, and then can determine not
With the temperature of detected part.
According to one embodiment of the present utility model, the electromagnetic scanning signals and the electromagnetic wave signal are radio frequency letter
Number.
In embodiment of the present utility model, above-mentioned cooking appliance includes：Electric cooker, soy bean milk making machine etc..
In a preferred embodiment of the present utility model, the cooking appliance can be electric cooker, now cooking appliance
Main body is cooker body.
In one embodiment of the present utility model, the cooker body includes accommodating the accommodating chamber of interior pot and covers the receiving
The upper lid in chamber, the interior pot is used to place heating object, and at least one SAW Temperature Sensors are described for sensing
The temperature of interior pot.
In one embodiment of the present utility model, the position contacted with the side wall of the interior pot and bottom in the cooker body
On, and the SAW Temperature Sensors are respectively arranged with the upper lid, to sense side wall, the bottom of the interior pot respectively
Portion and the temperature on top.
In this embodiment, by the position that contacts with the side wall of interior pot and bottom in cooker body, and on upper lid point
SAW Temperature Sensors are not set, enabling the temperature of pot in multi-faceted detection, and then can exactly to culinary art electricity
Device is controlled.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or by it is of the present utility model practice recognize.
Description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from the description with reference to accompanying drawings below to embodiment
Become obvious and easy to understand, wherein：
Fig. 1 shows the structural representation of the electric cooker according to embodiment of the present utility model；
Fig. 2 shows the internal structure schematic diagram of the SAW Temperature Sensors according to embodiment of the present utility model.
Specific embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
Body embodiment is further described in detail to the utility model.It should be noted that in the case where not conflicting, this Shen
Feature in embodiment please and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, but, this practicality
It is new to be different from other modes described here to implement using other, therefore, protection domain of the present utility model is simultaneously
Do not limited by following public specific embodiment.
The technical solution of the utility model is primarily directed to the thermometric mode of cooking appliance, it is proposed that a kind of new technical side
Case, using being provided with signal read write line and at least one SAW Temperature Sensors in the cooking appliance of the technical scheme.Its
In, signal read write line is used to send electromagnetic scanning signals to SAW Temperature Sensors, and SAW Temperature Sensors are received
The electromagnetic scanning signals that signal read write line sends, and return the electromagnetic wave signal for carrying temperature signal, and then signal read write line
The electromagnetic wave signal is received, the temperature signal that SAW Temperature Sensors are sensed 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 technical side of the present utility model
Case is described in detail, and is described further by taking electric cooker as an example below：
As shown in figure 1, according to the electric cooker of embodiment of the present utility model, including：Cooker body, the signal being arranged in cooker body
The SAW Temperature Sensors of read write line 4 and at least one.Cooker body includes accommodating the accommodating chamber of interior pot 2 and covers the accommodating chamber
Upper lid 3, the interior pot 2 is used to place heating object, and at least one SAW Temperature Sensors are used to sensing described
The temperature of interior pot 2.Control panel is also provided with cooker body.
Wherein, in the electric cooker shown in Fig. 1, three SAW Temperature Sensors are provided with cooker body, are respectively
The SAW Temperature Sensors 1a that is arranged on lid 3, the surface acoustic wave contacted with the side wall of interior pot 2 is arranged in cooker body
Temperature sensor 1b and the SAW Temperature Sensors 1c tactile with the bottom connection of interior pot 2, these three sound are arranged in cooker body
Surface wave temperature sensor senses respectively the temperature on the top of interior pot 2, side wall and bottom.
In other embodiments of the present utility model, it is also possible to only any one in above three position or two of which
Position arranges SAW Temperature Sensors.
When arranging multiple SAW Temperature Sensors in electric cooker, the resonance of this multiple SAW Temperature Sensors
Frequency is different, and signal read write line 4 obtains different surface acoustic wave temperature by launching the electromagnetic scanning signals of different frequency range
The electromagnetic wave signal that sensor is returned.
Specifically, because the resonant frequency of multiple SAW Temperature Sensors is different, and signal read write line 4 passes through
The electromagnetic scanning signals of transmitting different frequency range are obtaining the electromagnetic wave signal that different SAW Temperature Sensors are returned so that letter
Number read write line 4 can distinguish the electromagnetic wave signal that different SAW Temperature Sensors send, and then can determine that difference is treated
Survey the temperature at position.
Electromagnetic scanning signals and electromagnetic wave signal described above are radiofrequency signal.
In the technical solution of the utility model, the purpose for arranging signal read write line 4 is for passing to surface acoustic wave temperature
Sensor sends electromagnetic scanning signals, and receives the electromagnetic wave signal that SAW Temperature Sensors are returned, according to electromagnetic wave letter
Number determine the temperature signal that senses of SAW Temperature Sensors；SAW Temperature Sensors are used to receive signal read write line
4 electromagnetic scanning signals for sending, the electromagnetic wave signal for carrying temperature signal is returned according to the electromagnetic scanning signals.
Specifically, as shown in Fig. 2 according to the SAW Temperature Sensors of embodiment of the present utility model, including：The
One antenna (not shown), piezoelectric substrate 11, and it is arranged on first interdigital transducer 12 and at the two ends of piezoelectric substrate 11
Two interdigital transducers 13；Wherein, first antenna is used to receive the electromagnetic scanning signals of the transmission of signal read write line 4, and first interdigital changes
The electromagnetic scanning signals that energy device 12 is used to receive first antenna are converted to surface acoustic wave signal, and piezoelectric substrate 11 is used to propagate
Surface acoustic wave signal, the surface acoustic wave signal that the second interdigital transducer 13 is used to propagate piezoelectric substrate 11 is converted to electromagnetic wave letter
Number, and then first antenna again sends the electromagnetic wave signal to signal read write line 4.
Because surface acoustic wave signal uploads sowing time in piezoelectric substrate 11, its propagation characteristic can be sensed by piezoelectric substrate 11
Temperature affect, specifically, the propagation characteristic (such as frequency) of surface acoustic wave signal and temperature line relationship, such as its frequency
Change the proportionate relationship that is changing into temperature, and then the second interdigital transducer 13 in the surface acoustic wave letter for propagating piezoelectric substrate 11
Number be converted to after electromagnetic wave signal, the propagation characteristic of the electromagnetic wave signal can also occur corresponding change, and then signal is read and write
Device 4 can be by determining the temperature signal that SAW Temperature Sensors are detected to the parsing of the electromagnetic wave signal.
It can be seen that, in the technical solution of the utility model, because SAW Temperature Sensors need not arrange connecting wire
And power supply source, therefore by coordinating detection cooking appliance using SAW Temperature Sensors and signal read write line 4 (such as electric meal
Pot) in temperature, enabling easily installed inside cooking apparatus, while also can avoid being adopted in correlation technique
The mode of thermistor can have that the insulating properties of wire declines or insulating barrier is damaged and produces potential safety hazard.
Further, as shown in figure 1, signal read write line 4 has the second antenna 41, signal read write line 4 passes through the second antenna
41 send electromagnetic scanning signals, and receive the electromagnetic wave signal that SAW Temperature Sensors are returned by the second antenna 41.
Further, as shown in figure 1, electric cooker also includes：Main control board 5, is connected to the signal read write line 4, uses
In the temperature signal that at least one SAW Temperature Sensors for receiving the determination of signal read write line 4 are sensed.Wherein, it is main
Control circuit board 5 can be controlled after temperature signal is received based on work of the temperature signal to electric cooker, such as be adjusted
Heating power, heating duration of electric cooker etc..Preferably, the antenna 41 of signal read write line 4 and second can be arranged on governor circuit
On plate 5.
Further, electric cooker also includes：Display module (not shown), is connected to main control board 5, for showing
The corresponding Temperature numerical of temperature signal that signal read write line 4 determines.
The corresponding Temperature numerical of said temperature signal is shown by arranging display module so that user will appreciate that
To the working condition of electric cooker, in order to be controlled to electric cooker.Additionally, display module can be also used for showing electric cooker work
Other parameters when making, such as operating time, mode of operation.
The technical solution of the utility model can also be applied in other cooking appliances to detect temperature, such as should
Use soy bean milk making machine, electromagnetic oven medium, and for the setting number and set location of SAW Temperature Sensors, it is also possible to according to
Actual conditions are adjusted correspondingly.
The technical solution of the utility model is described in detail above in association with accompanying drawing, the utility model proposes a kind of new cooks
Prepare food electrical equipment, enabling the device of detection temperature is easily installed inside cooking apparatus, while can also avoid correlation technique
The middle insulating properties that can there is wire by the way of thermistor is come detection temperature declines or insulating barrier is damaged and it is hidden to produce safety
The problem of trouble.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of cooking appliance, it is characterised in that include：
Cooking appliance main body, in the cooking appliance main body control panel is provided with；
At least one SAW Temperature Sensors, are arranged in the cooking appliance main body, for sensing the temperature of detected part
Degree, and for receiving the electromagnetic scanning signals of signal read write line transmission, returned according to the electromagnetic scanning signals and carry temperature
The electromagnetic wave signal of signal；
The signal read write line, is arranged in the cooking appliance main body, for passing at least one surface acoustic wave temperature
Sensor sends electromagnetic scanning signals, and receives the electromagnetic wave signal that at least one SAW Temperature Sensors are returned, root
Determine the temperature signal that at least one SAW Temperature Sensors are sensed according to the electromagnetic wave signal.
2. cooking appliance according to claim 1, it is characterised in that arbitrary SAW Temperature Sensors include：
First antenna, piezoelectric substrate, and it is arranged on first interdigital transducer and the second interdigital transducer at the piezoelectric substrate two ends；
Wherein, the first antenna is used to receive the electromagnetic scanning signals, and sends the electromagnetic wave signal；First fork
Finger transducer is used to for the electromagnetic scanning signals that the first antenna is received to be converted to surface acoustic wave signal, the piezoelectric substrate
For propagating the surface acoustic wave signal, second interdigital transducer is used for the sound surface for propagating the piezoelectric substrate
Ripple signal is converted to the electromagnetic wave signal.
3. cooking appliance according to claim 1, it is characterised in that the signal read write line has the second antenna, described
Signal read write line sends the electromagnetic scanning signals by second antenna, and receives the electromagnetism by second antenna
Ripple signal.
4. cooking appliance according to claim 1, it is characterised in that also include：
Main control board, is connected to the signal read write line, for receiving the signal read write line determines described at least one
The temperature signal that SAW Temperature Sensors are sensed.
5. cooking appliance according to claim 4, it is characterised in that also include：
Display module, is connected to the main control board, for showing the corresponding Temperature numerical of the temperature signal.
6. cooking appliance according to claim 1, it is characterised in that be provided with the cooking appliance main body multiple described
SAW Temperature Sensors, the resonant frequency of multiple SAW Temperature Sensors is different, the signal read-write
Device obtains the electromagnetic wave signal that different SAW Temperature Sensors are returned by launching the electromagnetic scanning signals of different frequency range.
7. cooking appliance according to claim 1, it is characterised in that the electromagnetic scanning signals and the electromagnetic wave signal
It is radiofrequency signal.
8. cooking appliance according to any one of claim 1 to 7, it is characterised in that the cooking appliance includes electric meal
Pot, the cooking appliance main body is cooker body.
9. cooking appliance according to claim 8, it is characterised in that the cooker body include accommodating in pot accommodating chamber and cover
The upper lid of the accommodating chamber is covered, the interior pot is used to place heating object, and at least one SAW Temperature Sensors are used
In the temperature for sensing the interior pot.
10. cooking appliance according to claim 9, it is characterised in that the side wall with the interior pot and bottom in the cooker body
On the position of portion's contact, and the SAW Temperature Sensors are respectively arranged with the upper lid, it is described to sense respectively
The temperature of the side wall, bottom and top of interior pot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620794108.7U CN206080110U (en) | 2016-07-26 | 2016-07-26 | Electric appliance for cooking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620794108.7U CN206080110U (en) | 2016-07-26 | 2016-07-26 | Electric appliance for cooking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206080110U true CN206080110U (en) | 2017-04-12 |
Family
ID=58467846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620794108.7U Expired - Fee Related CN206080110U (en) | 2016-07-26 | 2016-07-26 | Electric appliance for cooking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206080110U (en) |
-
2016
- 2016-07-26 CN CN201620794108.7U patent/CN206080110U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20200726 |