CN206062927U - For the temperature measurement circuit of cooking appliance, cooking appliance - Google Patents
For the temperature measurement circuit of cooking appliance, cooking appliance Download PDFInfo
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- CN206062927U CN206062927U CN201620689591.2U CN201620689591U CN206062927U CN 206062927 U CN206062927 U CN 206062927U CN 201620689591 U CN201620689591 U CN 201620689591U CN 206062927 U CN206062927 U CN 206062927U
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Abstract
The utility model proposes a kind of a kind of temperature measurement circuit and cooking appliance for cooking appliance, wherein, the cooking appliance includes pan and master control borad, and the temperature measurement circuit includes：Temperature detecting module, is arranged on the pan, for detecting the temperature of the pan, and the temperature signal of generation is converted to first voltage signal；Signal processing module, for processing to the first voltage signal, obtains target voltage signal；Wireless transport module, for the target voltage signal is transmitted to the master control borad, so that the master control borad controls the cooking appliance work.By the technical solution of the utility model, the temperature of the pan of cooking appliance can be directly quickly detected, be effectively improved the promptness and accuracy of thermometric, and then improve the precision of cooking appliance power adjusting and timely and effectively dry combustion method protection is carried out to pan.
Description
Technical field
The utility model is related to household electrical appliance technical field, in particular to a kind of thermometric electricity for cooking appliance
Road and a kind of cooking appliance.
Background technology
At present, cooking appliance now on the market, such as electromagnetic oven, the method for the temperature detection of its pan is all in electromagnetism
One temperature sensor is installed under the microcrystal face plate of stove, such as thermosensitive resistance type, temperature sensor are connected to electricity by electric wire
The master control borad of magnetic stove, the master control borad of electromagnetic oven are worked by the voltage change indirect detection electromagnetic oven that detection temperature sensor is exported
When pan temperature.
However, the temperature sensor in this thermometric mode is not directly contact pan, thermometric has serious hysteresis quality,
And thermometric accuracy is poor, and then cause during use, it is impossible to according to temperature automatic adjustment power, run into boilers from drying burning
When can not stop heated protective pan in time.
Therefore, the promptness and accuracy for how improving thermometric becomes technical problem urgently to be resolved hurrily.
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, a purpose of the present utility model is to propose a kind of temperature measurement circuit for cooking appliance, can be direct
The temperature of the pan of cooking appliance is quickly detected, the promptness and accuracy of thermometric is effectively improved, and then is improved culinary art
Precision and timely and effectively dry combustion method protection is carried out to pan that appliance power is adjusted.
Another purpose of the present utility model is to propose a kind of cooking appliance.
To realize above-mentioned at least one purpose, according to the embodiment of the utility model first aspect, it is proposed that one kind is used for
The temperature measurement circuit of cooking appliance, the cooking appliance include pan and master control borad, and the temperature measurement circuit includes：Temperature detection mould
Block, is arranged on the pan, for detecting the temperature of the pan, and the temperature signal of generation is converted to first voltage letter
Number；Signal processing module, for processing to the first voltage signal, obtains target voltage signal；Wireless transport module,
For the target voltage signal is transmitted to the master control borad, so that the master control borad controls the cooking appliance work.
According to the temperature measurement circuit for cooking appliance of the present utility model, by the temperature being arranged on the pan of cooking appliance
Degree detection module realizes accurately detecting rapidly the temperature of pan, specifically can be by plug-in mode by temperature detecting module
It is arranged on pan, is effectively improved the promptness and accuracy of thermometric, and by temperature detecting module by the temperature for detecting
Degree signal is converted to voltage signal, and then passes through wireless transport module after signal processing module is processed to the voltage signal
Transmit to the master control borad use for reference of cooking appliance, such that it is able to effectively improve cooking appliance power adjusting precision simultaneously
Timely and effectively dry combustion method protection is carried out to pan, the experience of user is lifted.
According to the temperature measurement circuit for cooking appliance of above-described embodiment of the present utility model, there can also be following technology
Feature：
According to one embodiment of the present utility model, the temperature detecting module includes thermocouple.
In this embodiment, the temperature detecting module being set directly on pan preferably can temperature signal be converted to
The thermocouple of voltage signal, to realize the direct measurement of the temperature to pan, such as by the probe of thermocouple is inserted directly into
Direct measurement in food or liquid in pan etc., has the advantages that wide measurement range, high precision, temperature-sensitive are rapid, is additionally, since
When temperature survey is carried out by thermocouple do not need additional power source, using very convenient, and meanwhile it is simple structure, easily manufactured, have
Beneficial to saving production cost.
According to one embodiment of the present utility model, the temperature detecting module includes：Probe-type temperature sensor.
In this embodiment, the temperature detecting module being set directly on pan is preferably probe-type temperature sensor,
To realize the direct measurement to the temperature of pan, such as by by probe-type temperature sensor be inserted directly into the food in pan or
Direct measurement in liquid etc., has the advantages that wide measurement range, high precision, temperature-sensitive are rapid.
According to one embodiment of the present utility model, the signal processing module includes：First filtration module, for filtering
The first interference signal in the first voltage signal, obtains second voltage signal；Signal conversion module, for by described second
Voltage signal is enlarged into tertiary voltage signal；Second filtration module, for filtering the second interference in the tertiary voltage signal
Signal, obtains the target voltage signal.
In this embodiment, when being carried out to the first voltage signal for being received from temperature detecting module by signal processing module
During process, specifically, successively amplified by the filtering of the first filtration module, signal conversion module and the second filtration module is filtered again
Ripple obtains target voltage signal, so that signal output is more reliable and more stable and further ensures that the accuracy of temperature detection, wherein,
The first interference signal that first filtration module is filtered is generally high-frequency interferencing signal, produces when such as cooking appliance works
The interference signal of 20KHz～30KHz, and the second interference signal that the second filtration module is filtered is generally low-frequency interference signal, than
Such as the interference signal of the rectified rear 100Hz for producing of civil power input.
According to one embodiment of the present utility model, first filtration module is RFI filtration modules, second filtering
Module is RC filtration modules.
In this embodiment it is possible to will filter for filter the high-frequency interferencing signal produced when cooking appliance works first
Module is set to RFI (Radio Frequency Interference, Radio frequency interference) filtration module, and will be used for filtering city
Second filtration module of the low-frequency interference signal that electricity input is produced is set to RC (Resistance Capacitance, resistance electricity
Hold) filtration module, further can be single order RC filtration modules, thus, can make signal output more it is reliable and stable simultaneously
Further ensure that the accuracy of temperature detection.
According to one embodiment of the present utility model, first interference signal includes：Common mode interference signal and differential mode are dry
Disturb signal.
In this embodiment, the first interference signal that the first filtration module can be filtered should at least include amplitude is big, frequency is high,
Interference larger common mode interference signal and amplitude is little, frequency is low, disturb less DM EMI signal, to guarantee the comprehensive of filtering
Validity.
According to one embodiment of the present utility model, the RFI filtration modules include：First resistor, second resistance, first
Electric capacity, the second electric capacity and the 3rd electric capacity, wherein, the first resistor, first electric capacity and the second resistance are connected in series,
To filter the DM EMI signal, the first resistor and second capacitances in series connection, the second resistance and described
3rd capacitances in series connects, to filter the common mode interference signal.
In this embodiment, RFI filtration modules pass through first resistor, the first electric capacity and the second resistance being sequentially connected in series
Realization is filtered to DM EMI signal, wherein, first resistor and second resistance are used for current limliting, and the first electric capacity is used to filter；And
Realize filtering common mode interference signal by the first resistor and the second electric capacity, second resistance and the 3rd electric capacity that are connected in series,
Wherein, resistance is used for current limliting, electric capacity is used to filter.
According to one embodiment of the present utility model, the RC filtration modules include：3rd resistor and the 4th electric capacity, its
In, the 3rd resistor and the 4th capacitances in series connection, to filter second interference signal.
In this embodiment, RC filtration modules include the 3rd resistor being connected in series and the 4th electric capacity, to realize to second
Interference signal is filtered, wherein, resistance is used for current limliting, electric capacity to be used to filter.
According to one embodiment of the present utility model, the signal processing module also includes：Signal acquisition module, the letter
One end of number acquisition module is connected to the temperature detecting module, the other end and is connected to first filtration module, will be described
First voltage signal is transmitted to first filtration module from temperature detecting module.
In this embodiment, signal processing module also includes for being connected to the signal acquisition module of temperature detecting module,
Processed with the testing result for obtaining temperature detecting module.
According to one embodiment of the present utility model, the wireless transport module is additionally operable to：The target voltage is being believed
Number transmit to before the master control borad, analog-to-digital conversion process is carried out to the target voltage signal.
In this embodiment, wireless transport module is transmitted through the voltage signal for coming to signal processing module first and carries out modulus turn
Change, the data signal that master control borad directly can be used is converted into by analog signal, and then realizes the effective control to cooking appliance work
System.
According to one embodiment of the present utility model, entered by bluetooth between the wireless transport module and the master control borad
Row communication connection.
In this embodiment, radio communication can be realized between wireless transport module and master control borad by way of bluetooth,
Easy to operate, low cost and efficiency of transmission height, naturally it is also possible to realize radio communication by other means, such as by WIFI
(Wireless-Fidelity, WiMAX) connects.
In order to reduce the power consumption of signal processing module, extend product service life, can be believed by low-power consumption bluetooth transmission
Number.
According to the embodiment of second aspect of the present utility model, it is also proposed that a kind of cooking appliance, including example is performed as described above
Any one of the temperature measurement circuit for cooking appliance.
According to the cooking appliance of embodiment of the present utility model, by the temperature measurement circuit described in any of the above-described embodiment,
The temperature of the pan of cooking appliance can be directly quickly detected, the promptness and accuracy of thermometric is effectively improved, and then
Improve the precision of cooking appliance power adjusting and timely and effectively dry combustion method protection is carried out to pan.
According to one embodiment of the present utility model, the cooking appliance also includes：Electrical equipment main body；And the master control borad
It is arranged in the electrical equipment main body.
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 schematic block diagram of the temperature measurement circuit for cooking appliance according to embodiment of the present utility model；
Fig. 2 shows the schematic block diagram of the control circuit of the cooking appliance according to embodiment of the present utility model；
Fig. 3 shows that the circuit of the thermocouple signal acquisition and processing module according to embodiment of the present utility model is illustrated
Figure.
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.
Fig. 1 shows the schematic block diagram of the temperature measurement circuit for cooking appliance according to embodiment of the present utility model.
As shown in figure 1, according to the temperature measurement circuit 100 for cooking appliance of embodiment of the present utility model, the culinary art
Electrical equipment includes pan and master control borad, and the temperature measurement circuit 100 includes：Temperature detecting module 102, signal processing module 104 and nothing
Line transport module 106.
Wherein, temperature detecting module 102, are arranged on the pan, for detecting the temperature of the pan, and will generate
Temperature signal be converted to first voltage signal；Signal processing module 104, for processing to the first voltage signal,
Obtain target voltage signal；Wireless transport module 106, for the target voltage signal is transmitted to the master control borad, for
The master control borad controls the cooking appliance work.
According to the temperature measurement circuit 100 for cooking appliance of the present utility model, by being arranged on the pan of cooking appliance
Temperature detecting module 102 realize that the temperature to pan is accurately detected rapidly, specifically can be by plug-in mode by temperature
Detection module 102 is arranged on pan, is effectively improved the promptness and accuracy of thermometric, and is passed through temperature detecting module
The temperature signal for detecting is converted to voltage signal by 102, and then is processed in 104 pairs of voltage signals of signal processing module
Transmitted to the master control borad use for reference of cooking appliance by wireless transport module 106 afterwards, cooked such that it is able to effectively improve
The precision of appliance power of preparing food regulation simultaneously carries out timely and effectively dry combustion method protection to pan, lifts the experience of user.
According to one embodiment of the present utility model, the temperature detecting module 102 includes thermocouple.
In this embodiment, the temperature detecting module 102 being set directly on pan preferably being capable of temperature signal turn
The thermocouple of voltage signal is changed to, to realize the direct measurement to the temperature of pan, such as by will be the probe of thermocouple direct
Direct measurement in food or liquid in insertion pan etc., has the advantages that wide measurement range, high precision, temperature-sensitive are rapid, and,
Due to not needing additional power source when carrying out temperature survey by thermocouple, using very convenient, while simple structure, manufacturer
Just, be conducive to saving production cost.
According to one embodiment of the present utility model, the temperature detecting module 102 includes：Probe-type temperature sensor.
In this embodiment, the temperature detecting module 102 being set directly on pan is preferably probe-type TEMP
Device, to realize the direct measurement of the temperature to pan, the such as food by being inserted directly into probe-type temperature sensor in pan
Direct measurement in thing or liquid etc., has the advantages that wide measurement range, high precision, temperature-sensitive are rapid.
According to one embodiment of the present utility model, the signal processing module 104 includes：First filtration module 1042,
Signal conversion module 1044, the second filtration module 1046 and signal acquisition module 1048.
Wherein, the first filtration module 1042, for filtering the first interference signal in the first voltage signal, obtains
Two voltage signals；Signal conversion module 1044, for the second voltage signal is enlarged into tertiary voltage signal；Second filtering
Module 1046, for filtering the second interference signal in the tertiary voltage signal, obtains the target voltage signal.
In this embodiment, when the first voltage letter for being received from temperature detecting module 102 by signal processing module 104 pairs
When number being processed, specifically, successively filtered by the first filtration module 1042, signal conversion module 1044 is amplified and second
Filtration module 1046 is filtered again and obtains target voltage signal, so that signal output is more reliable and more stable and further ensures that temperature
The accuracy of detection, wherein, the first interference signal that the first filtration module 1042 is filtered is generally high-frequency interferencing signal, such as cooks
Prepare food electrical work when the interference signal of 20KHz～30KHz that produces, and the second interference signal that the second filtration module 1046 is filtered
The interference signal of the 100Hz produced after the input of generally low-frequency interference signal, such as civil power is rectified.
Wherein, signal acquisition module 1048, one end of the signal acquisition module 1048 are connected to the temperature detection mould
The block 102, other end is connected to first filtration module 1042, by the first voltage signal from temperature detecting module 102
Transmit to first filtration module 1042.
In this embodiment, signal processing module 104 is also included for being connected to the signals collecting of temperature detecting module 102
Module 1048, is processed with the testing result for obtaining temperature detecting module 102.
In addition, in this embodiment it is possible to by for filtering the of the high-frequency interferencing signal produced when cooking appliance works
One filtration module 1042 is set to RFI (Radio Frequency Interference, Radio frequency interference) filtration module, and will
The second filtration module 1046 for filtering the low-frequency interference signal that civil power input is produced is set to RC (Resistance
Capacitance, resistance capacitance) filtration module can further be single order RC filtration modules, thus, signal can be made
Output accuracy that is more reliable and more stable and further ensuring that temperature detection.And, the first filtration module 1042 can filter
One interference signal should at least include that amplitude is big, frequency is high, interference is larger common mode interference signal and amplitude are little, frequency is low, interference
Less DM EMI signal, with the comprehensive validity for guaranteeing to filter.
According to one embodiment of the present utility model, the RFI filtration modules include：First resistor, second resistance, first
Electric capacity, the second electric capacity and the 3rd electric capacity, wherein, the first resistor, first electric capacity and the second resistance are connected in series,
To filter the DM EMI signal, the first resistor and second capacitances in series connection, the second resistance and described
3rd capacitances in series connects, to filter the common mode interference signal.
In this embodiment, RFI filtration modules pass through first resistor, the first electric capacity and the second resistance being sequentially connected in series
Realization is filtered to DM EMI signal, wherein, first resistor and second resistance are used for current limliting, and the first electric capacity is used to filter；And
Realize filtering common mode interference signal by the first resistor and the second electric capacity, second resistance and the 3rd electric capacity that are connected in series,
Wherein, resistance is used for current limliting, electric capacity is used to filter.
According to one embodiment of the present utility model, the RC filtration modules include：3rd resistor and the 4th electric capacity, its
In, the 3rd resistor and the 4th capacitances in series connection, to filter second interference signal.
In this embodiment, RC filtration modules include the 3rd resistor being connected in series and the 4th electric capacity, to realize to second
Interference signal is filtered, wherein, resistance is used for current limliting, electric capacity to be used to filter.
According to one embodiment of the present utility model, the wireless transport module 106 is additionally operable to：By the target voltage
Signal transmission carries out analog-to-digital conversion process to the target voltage signal to before the master control borad.
In this embodiment, wireless transport module 106 is transmitted through the voltage signal for coming to signal processing module 104 first is carried out
Analog-to-digital conversion, is converted into the data signal that master control borad directly can be used by analog signal, and then realizes to cooking appliance work
Effective control.
According to one embodiment of the present utility model, by indigo plant between the wireless transport module 106 and the master control borad
Tooth is communicatively coupled.
In this embodiment, channel radio can be realized between wireless transport module 106 and master control borad by way of bluetooth
Letter, easy to operate, low cost and efficiency of transmission are high, naturally it is also possible to realize radio communication by other means, such as by WIFI
(Wireless-Fidelity, WiMAX) connects.
In order to reduce the power consumption of signal processing module 104, extend product service life, can be transmitted by low-power consumption bluetooth
Signal.
As one embodiment of the present utility model, the above-mentioned temperature measurement circuit 100 for cooking appliance can be applied to
In cooking appliance, in addition, also being included according to the cooking appliance of embodiment of the present utility model：Electrical equipment main body, and then the culinary art
The master control borad of electrical equipment can arrange with the electrical equipment main body.
According to the cooking appliance of embodiment of the present utility model, by the temperature measurement circuit described in any of the above-described embodiment
100, the temperature of the pan of cooking appliance can be directly quickly detected, the promptness and accuracy of thermometric is effectively improved,
And then improve the precision of cooking appliance power adjusting and timely and effectively dry combustion method protection is carried out to pan.
Cooking appliance in embodiment of the present utility model can include：Electromagnetic oven, electric cooker, pressure cooker, soya-bean milk are mechanical, electrical
Kettle etc..
The technical solution of the utility model is described in detail with reference to Fig. 2 and Fig. 3, wherein, gathered with thermocouple
Illustrate as a example by temperature, the temperature signal for collecting can be converted into voltage signal by thermocouple.
Fig. 2 shows the schematic block diagram of the control circuit of the cooking appliance according to embodiment of the present utility model.
Fig. 3 shows that the circuit of the thermocouple signal acquisition and processing module according to embodiment of the present utility model is illustrated
Figure.
As described in Figure 2, included according to the control circuit of the cooking appliance of embodiment of the present utility model：It is blue based on low-power consumption
The wireless temperature measure module 200 (equivalent to the temperature measurement circuit 100 for cooking appliance) of tooth and electrical equipment main body side low-power consumption bluetooth mould
Block 300, wherein, the wireless temperature measure module 200 based on low-power consumption bluetooth includes thermocouple signal acquisition and processing module 202
With pan side low-power consumption bluetooth module 204, the electrical equipment main body side low-power consumption bluetooth module 300 can be arranged on cooking appliance
On master control borad, and the pan side low-power consumption bluetooth module 204 for the electrical equipment main body side low-power consumption bluetooth module 300
Between communicated, such as by the pan side low-power consumption bluetooth module 204 by the temperature of pan, pan side low-power consumption
The battery electric quantity of bluetooth module 204 is transmitted to the electrical equipment main body side low-power consumption bluetooth module 300, that is, transmit to master control borad, with
And the working condition querying command from master control borad is transmitted to described by the electrical equipment main body side low-power consumption bluetooth module 300
Pan side low-power consumption bluetooth module 204 is obtaining the information such as its battery electric quantity.
And thermocouple signal acquisition and processing module 202 physical circuit composition as shown in figure 3, including：
For being connected to the inserting terminal P4 (equivalent to signal acquisition module) of thermocouple；
For filtering resistance R22 (first resistor), the resistance R24 (second resistance) and electric capacity C22 (of DM EMI signal
One electric capacity), wherein, resistance R22, electric capacity C22 and resistance R24 are connected in series, and for the resistance of filtering common mode interference signal
R22, resistance R24, electric capacity C24 (the second electric capacity) and electric capacity C26 (the 3rd electric capacity), wherein, resistance R22 and electric capacity C24, resistance
R24 and electric capacity C26 are connected in series respectively, to filter the Radio frequency interference letter of the 20KHz～30Khz produced when cooking appliance works
Number；
For the voltage disturbance signal after DM EMI signal, common mode interference signal will be filtered be amplified the thermoelectricity of process
Even signaling conversion circuit module；
For the circuit module of first-order low-pass ripple, including resistance R26 (are carried out to the analog signal through enhanced processing
One resistance) and electric capacity C28 (the 4th electric capacity), to filter the interference signal of the 100Hz that civil power input is produced after rectification, make letter
Number more stable reliability of output, the temperature value of sampling are more accurate, are then just connected to the ADC of the pan side low-power consumption bluetooth module
(Analog-to-Digital Converter, analog/digital converter) sampling end, will react the simulation of the temperature of pan
Signal is sent to the pan side low-power consumption bluetooth module 204；
For a determination is provided when the wireless temperature measure module based on low-power consumption bluetooth does not access thermocouple
The resistance R28 of control source, to stablize input signal.
In the above-described embodiments, resistance R22, the preferred value of resistance R24 are 10k Ω, and the preferred value of resistance R26 is
The preferred value of 100k Ω, resistance R28 is 1M Ω, and the preferred value of electric capacity C22 is the preferred of 10nF, electric capacity C24 and electric capacity C26
Value is 1nF, and the preferred value of electric capacity C28 is 1uF.
The technical solution of the utility model is described in detail above in association with accompanying drawing, by the technical solution of the utility model,
The temperature of the pan of cooking appliance can be directly quickly detected, the promptness and accuracy of thermometric is effectively improved, and then
Improve the precision of cooking appliance power adjusting and timely and effectively dry combustion method protection is carried out to pan.
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. are should be included within protection domain of the present utility model.
Claims (13)
1. a kind of temperature measurement circuit for cooking appliance, the cooking appliance include pan and master control borad, it is characterised in that described
Temperature measurement circuit includes：
Temperature detecting module, is arranged on the pan, for detecting the temperature of the pan, and the temperature signal for generating is turned
It is changed to first voltage signal；
Signal processing module, for processing to the first voltage signal, obtains target voltage signal；
Wireless transport module, for the target voltage signal is transmitted to the master control borad, so that the master control borad controls institute
State cooking appliance work.
2. the temperature measurement circuit for cooking appliance according to claim 1, it is characterised in that the temperature detecting module bag
Include thermocouple.
3. the temperature measurement circuit for cooking appliance according to claim 1, it is characterised in that the temperature detecting module bag
Include：Probe-type temperature sensor.
4. the temperature measurement circuit for cooking appliance according to claim 1, it is characterised in that the signal processing module bag
Include：
First filtration module, for filtering the first interference signal in the first voltage signal, obtains second voltage signal；
Signal conversion module, for the second voltage signal is enlarged into tertiary voltage signal；
Second filtration module, for filtering the second interference signal in the tertiary voltage signal, obtains the target voltage letter
Number.
5. the temperature measurement circuit for cooking appliance according to claim 4, it is characterised in that first filtration module is
RFI filtration modules, second filtration module are RC filtration modules.
6. the temperature measurement circuit for cooking appliance according to claim 5, it is characterised in that the first interference signal bag
Include：Common mode interference signal and DM EMI signal.
7. the temperature measurement circuit for cooking appliance according to claim 6, it is characterised in that the RFI filtration modules bag
Include：First resistor, second resistance, the first electric capacity, the second electric capacity and the 3rd electric capacity,
Wherein, the first resistor, first electric capacity and the second resistance are connected in series, to filter the DM EMI letter
Number,
The first resistor and second capacitances in series connection, the second resistance and the 3rd capacitances in series connection, with
Filter the common mode interference signal.
8. the temperature measurement circuit for cooking appliance according to claim 7, it is characterised in that the RC filtration modules bag
Include：3rd resistor and the 4th electric capacity, wherein, the 3rd resistor and the 4th capacitances in series connect, to filter second interference
Signal.
9. the temperature measurement circuit for cooking appliance according to claim 4, it is characterised in that the signal processing module is also
Including：
Signal acquisition module, one end of the signal acquisition module are connected to the temperature detecting module, the other end and are connected to institute
The first filtration module is stated, the first voltage signal is transmitted to first filtration module from temperature detecting module.
10. the temperature measurement circuit for cooking appliance according to any one of claim 1 to 9, it is characterised in that the nothing
Line transport module is additionally operable to：
The target voltage signal is being transmitted to before the master control borad, the target voltage signal is being carried out at analog-to-digital conversion
Reason.
11. temperature measurement circuits for cooking appliance according to any one of claim 1 to 9, it is characterised in that the nothing
It is communicatively coupled by bluetooth between line transport module and the master control borad.
12. a kind of cooking appliances, it is characterised in that include：As any one of claim 1 to 11 for cooking appliance
Temperature measurement circuit.
13. cooking appliances according to claim 12, it is characterised in that also include：
Electrical equipment main body；And
The master control borad is arranged in the electrical equipment main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689591.2U CN206062927U (en) | 2016-07-04 | 2016-07-04 | For the temperature measurement circuit of cooking appliance, cooking appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689591.2U CN206062927U (en) | 2016-07-04 | 2016-07-04 | For the temperature measurement circuit of cooking appliance, cooking appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206062927U true CN206062927U (en) | 2017-04-05 |
Family
ID=58421820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620689591.2U Active CN206062927U (en) | 2016-07-04 | 2016-07-04 | For the temperature measurement circuit of cooking appliance, cooking appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206062927U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10799065B2 (en) | 2018-09-12 | 2020-10-13 | Haier US Appliance Solution, Inc. | Thermocouple for measuring cookware temperature |
| CN114200982A (en) * | 2020-09-17 | 2022-03-18 | 恩智浦美国有限公司 | Cable arrangement for a heating system |
-
2016
- 2016-07-04 CN CN201620689591.2U patent/CN206062927U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10799065B2 (en) | 2018-09-12 | 2020-10-13 | Haier US Appliance Solution, Inc. | Thermocouple for measuring cookware temperature |
| CN114200982A (en) * | 2020-09-17 | 2022-03-18 | 恩智浦美国有限公司 | Cable arrangement for a heating system |
| CN114200982B (en) * | 2020-09-17 | 2023-03-21 | 恩智浦美国有限公司 | Cable arrangement for a heating system |
| US11956880B2 (en) | 2020-09-17 | 2024-04-09 | Nxp Usa, Inc. | Cable arrangement for heating system |
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