CN209996096U - food processor with accurate control - Google Patents
food processor with accurate control Download PDFInfo
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- CN209996096U CN209996096U CN201822211646.0U CN201822211646U CN209996096U CN 209996096 U CN209996096 U CN 209996096U CN 201822211646 U CN201822211646 U CN 201822211646U CN 209996096 U CN209996096 U CN 209996096U
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Abstract
The utility model discloses an accurate food preparation machine of control, including signal detection device and control power supply board, the control power supply board gives through the power cord signal detection device provides detection power, signal detection device includes signal acquisition unit and signal processing unit, the signal acquisition unit detects food preparation machine's multiple operating condition signal, signal processing unit will operating condition signal modulation is in last transmission of detection power cord gives the control power supply board, the control power supply board includes second signal processing unit and analytic control unit, and the modulation is in operating condition signal on the detection power cord is handled the back through the second signal processing unit and is transmitted for analytic control unit, signal pass through power carrier and realize signal transmission line and power cord sharing, optimize the mode of connection, transmit accurately, reduce coupler structure size.
Description
Technical Field
The utility model relates to a food processing field particularly, relates to accurate food preparation machines of control.
Background
The existing food processing machines are generally divided into two parts, such as a machine base and a stirring cup of the wall breaking food processor, a machine head and a cup body of the soybean milk machine, a cooker body and an upper cover of the electric cooker, the working state signals of the food processing machines need to be transmitted to another part from the parts through specific lines, the problem of contact connection exists in the signal transmission process, and the problem of inaccurate signal transmission caused by contact resistance and the like is easily caused by direct transmission of multi-path signals.
Use the broken wall cooking machine as an example, it includes the frame and sets up the stirring cup on the frame, be equipped with the signal acquisition unit that detects the operating condition signal of broken wall cooking machine in the stirring cup, the signal that signal acquisition unit gathered has the anti-overflow signal, the cover opening signal, temperature signal and cup identification signal etc, the port that passes through the coupler after the above-mentioned operating condition signal of signal acquisition unit collection transmits the control power supply board to the frame in, the control power supply board is according to the concrete information output control signal control broken wall cooking machine work of operating condition signal, these operating condition signals need pass through the coupler and transmit the control power supply board to the frame in.
The existing signal transmission mode is that each signal of an anti-overflow signal, a cover opening signal, a temperature signal, a cup body identification signal and the like needs to be transmitted through ports of a coupler, and in addition, a coupler port occupied by a strong electric circuit for supplying power to a heating device is added, a stirring cup and a base of the existing wall breaking food processor are generally in coupling connection by adopting a six-port coupler, meanwhile, if other signal detection equipment needs to be added, for example, in order to improve the analysis capability of the food processor, nutrition analysis needs to be added, and the ports of the existing coupler needs to be added, so that the ports and the volume of the coupler are increased by steps, and the volume of the food processor is inevitably increased, therefore, the performance improvement and the technical improvement of the food processor are further limited by steps in the prior art, the signal transmission by the coupler port is not effectively utilized, the number of the ports of the coupler is large, the processing and manufacturing cost of the coupler is high, the installation is inconvenient, in addition, in the contact connection of the coupler, the anti-overflow signal and the temperature signal transmission are easily interfered by contact resistance when the signal transmission of the food processor is transmitted by the coupler, and the anti-overflow signal transmission is easily influenced by .
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide accurate food preparation machines of control, can overcome the shortcoming and not enough that exist among the prior art, this application food preparation machine is provided with signal detection device, gathers food preparation machine's operating condition signal, like anti-overflow signal, temperature signal etc. signal modulation is realized and power cord sharing through power carrier on detecting power line, the port of make full use of coupler, improvement signal transmission's reliability.
For solving the technical problem, the utility model provides an accurate food preparation machines of control, food preparation machine includes signal detection device and control power strip, control power strip gives through the testing power cord signal detection device provides the testing power supply, signal detection device includes signal acquisition unit and signal processing unit, the signal acquisition unit is gathered food preparation machine's multiple operating condition signal, the signal processing unit will operating condition signal modulation is in transmit on the testing power cord for control power strip, control power strip includes second signal processing unit and analytic the control unit, and the modulation is in operating condition signal on the testing power cord transmits after the second signal processing unit is handled for analytic the control unit.
Preferably, the food processor comprises two separable parts, the signal detection device is arranged at the th part, the control power supply board is arranged at the second part, and the control power supply board is electrically connected with the signal detection device through a coupler.
Preferably, the coupler includes th and second coupling ports for communicating control power board and signal detection device, the control power board provides detection power for the signal detection device through the detection power line and th and second coupling ports, the coupler also includes third and fourth coupling ports for communicating control power board and load.
Preferably, the working state signal at least comprises an anti-overflow signal, and the signal acquisition unit is provided with an anti-overflow electrode electrically connected with the th signal processing unit.
Preferably, the second signal processing unit includes an amplifying and shaping circuit, the amplifying and shaping circuit includes an amplifying circuit and a shaping circuit which are connected in sequence, the amplifying circuit includes an -th operational amplifier, the shaping circuit includes a comparing circuit and a second operational amplifier, the analysis control unit includes a signal demodulating circuit and a processor which are connected in sequence, the signal demodulating circuit is used for analyzing the working state signal of the food processing machine, and the processor is used for outputting the control signal according to the analyzed working state signal.
Preferably, the second signal processing unit further includes a dc removal unit, where the dc removal unit is configured to remove a dc component of a signal, and the working state signal modulated on the detection power line passes through the dc removal unit and the amplification and shaping circuit in sequence and then is transmitted to the analysis control unit.
Preferably, the dc removing unit includes a capacitor, an th port of the capacitor is connected to the second coupling port of the coupler, and the second port of the capacitor is connected to the amplifying and shaping circuit.
Preferably, the signal processing unit includes a voltage regulator circuit and a signal modulation circuit, and the control power board is connected to the signal modulation circuit through the voltage regulator circuit by a detection power line.
Preferably, the signal modulation circuit comprises a signal modulation chip, the signal acquisition unit comprises or a combination of or more of a temperature sensor, an uncovering sensor and a cup body identification sensor, the temperature sensor, the uncovering sensor and the cup body identification sensor are connected with the signal modulation chip, the uncovering sensor is used for detecting an uncovering signal, the temperature sensor is used for detecting a temperature signal, and the cup body identification sensor is used for detecting a cup body identification signal.
Preferably, the temperature sensor is a thermistor.
The above technical scheme of this application has following beneficial effect:
1. the utility model provides a kinds of food processing machine, food processing machine includes signal detection device and control power supply board, the control power supply board provides detection power for signal detection device through detecting the power cord, control panel and power supply board pass through the coupler electric connection signal detection device, signal detection device includes signal acquisition unit and the signal processing unit, signal acquisition unit gathers food processing machine's multiple operating condition signal, signal processing unit with operating condition signal modulation form carrier signal transmission on detecting the power cord and give control power supply board, realize the circuit and the power cord sharing of transmission signal, signal of food processing machine state is represented by detecting the power cord carrier, the aspect can reduce the signal transmission line number between control power supply board and the signal detection device, the wiring connection has been optimized, wiring complexity has been reduced, aspect passes through food processing machine operating condition signal processing unit code modulation integration through second 2 signal processing unit, pass through carrier signal transmission with food processing machine operating condition signal processing state signal, can effectively reduce or avoid the interference of circuit connection contact resistance and other signal transmission in signal transmission process, improve signal transmission reliability of signal transmission, in addition, as technology, food processing machine operating condition signal processing unit is favorable to food processing machine operating condition signal processing unit through the second signal processing unit, food processing machine, food processing unit, food processing machine is prepared according to the stability is improved according to the high signal processing unit, food processing machine, food processing unit, food processing machine is improved food processing unit, food.
2. The food processing machine comprises two separable parts, a signal detection device is arranged on the th part, a control power panel is arranged on the second part, and the control power panel is electrically connected with the signal detection device through a coupler, the signal detection device is arranged on the th part, a signal acquisition unit can be directly contacted with processed food materials, detected working state signals of the food processing machine are more accurate, the two parts are connected through the coupler in the signal transmission process, the problem of contact resistance exists, the interference of the contact resistance on the signal transmission can be reduced through the power line carrier mode, and therefore the accuracy of the signal transmission is improved.
3. The coupler comprises an coupling port and a second coupling port which are communicated with a control power board and a signal detection device, the control power board provides detection power for the signal detection device through a detection power line and a coupling port, and the second coupling port provides detection power for the signal detection device, the coupler also comprises a third coupling port and a fourth coupling port which are used for communicating the control power board and a load, the food processor supplies power for the detection power through a coupling port and the second coupling port of the coupler, various working state signals are transmitted through a power line carrier mode, working state signal circuits for transmitting the food processor are reduced, line connection is optimized, power is supplied for the load, the coupler also comprises the third coupling port and the fourth coupling port which are communicated with the control power board and the load, the working state signals at least comprise anti-overflow signals, a signal collection unit is provided with an anti-overflow electrode which is electrically connected with a signal processing unit, the working state signals of the food processor comprise the anti-overflow signals, the carrier signals are transmitted through the power line, on the aspect of , accurate transmission of the anti-overflow signals is realized under the condition that no excess transmission is not added, the condition of the anti-overflow signals is not enough, the anti-overflow signal is realized, the design of the food processor is convenient, the food processor, the anti-overflow processing quality control of the anti-overflow signal is improved, the anti-overflow processing machine is improved, the anti-overflow processing quality of the anti-overflow processing food processor is improved.
3. The second signal processing unit comprises an amplifying and shaping circuit, the amplifying and shaping circuit comprises an amplifying circuit and a shaping circuit which are sequentially connected, the amplifying circuit comprises a operational amplifier, the shaping circuit comprises a comparison circuit and a second operational amplifier, the analysis control unit comprises a signal demodulation circuit and a processor which are sequentially connected, the signal demodulation circuit is used for analyzing a working state signal of the food processing machine, the processor is used for outputting a control signal according to the analyzed working state signal, the working state signal of the food processing machine acquired by the signal acquisition unit is an electric signal with small amplitude, the signal is modulated by the signal processing unit, the carrier signal is loaded with a signal representing the working state of the food processing machine, the second signal processing unit receives the carrier signal transmitted by the signal processing unit and then processes the signal according to the characteristics of the carrier signal, the signal is amplified by the amplifying and shaping circuit to improve the signal amplitude, the shape of the carrier signal is adjusted by the shaping circuit to improve the signal accuracy, the amplifying and shaping circuit is used for adjusting the amplitude of the carrier signal before analyzing the signal is analyzed according to the characteristics of the carrier signal, the amplitude of the carrier signal is adjusted by the amplifying and shaping circuit, the second signal processing circuit, the signal is used for outputting the signal after the signal is detected, the signal is output by the second signal demodulation circuit, the second signal processing unit, the amplifying and the second signal processing unit, the signal is used for analyzing and the control unit, and the second signal analyzing, and the second signal analyzing method for analyzing, and the method for analyzing and analyzing, which can be used for analyzing, and analyzing the method for analyzing and analyzing the method.
4. The second signal processing unit also comprises a direct current removing unit, the signal modulated on the detection power line comprises a direct current component, the direct current removing unit removes the direct current component of the signal, namely removes the power supply signal with fixed amplitude to reserve a useful signal, the useful signal is a working state signal of the food processing machine modulated on the detection power line, and the working state signal modulated on the detection power line is transmitted to the analysis control unit after sequentially passing through the direct current removing unit and the amplifying and shaping circuit.
5. The carrier signal passes through the sixth capacitor aiming at the direct current component in the carrier signal, the direct current component of the carrier signal is filtered out mainly under the coupling action of the sixth capacitor, so that the required useful signal is obtained, and the useful signal is transmitted to the amplifying and shaping circuit.
6. the signal processing unit comprises a voltage stabilizing circuit and a signal modulation circuit, the control power supply board is connected to the signal modulation circuit through the voltage stabilizing circuit by a detection power line, the control power supply board supplies power to the signal modulation circuit through the voltage stabilizing circuit, the signal modulation circuit comprises a signal modulation chip, the signal acquisition unit comprises or a plurality of combinations of a temperature sensor, a cover opening sensor and a cup body identification sensor, the temperature sensor, the cover opening sensor and the cup body identification sensor are connected with the signal modulation chip, the cover opening sensor is used for detecting a cover opening signal, the temperature sensor is used for detecting a temperature signal, the cup body identification sensor is used for detecting a cup body identification signal, the temperature of food materials can be accurately detected through the free combination of the temperature sensor, the cover opening sensor and the cup body identification sensor, the food materials can be accurately processed according to the temperature information, the food materials can be better prevented from overflowing when boiling, whether the upper cover of the food processing machine is not in place or other situations cause the upper cover to be opened by detecting the cover opening signal, the food processing machine can be timely stopped when the situation exists, the food processing machine works, safety is improved, the food processing container can be accurately identified by detecting that the cover opening signal penetrates through the cup body temperature of the working temperature of the food processing container after the food processing container is in place, the working process, the cup body is accurately identified, the cup body can be detected by a resistance identification signal, the resistance identification signal can be reduced, the cup body identification process is detected, the temperature of the cup body, the cup body can be.
Drawings
The present invention will be described in further detail in with reference to the accompanying drawings:
fig. 1 is a schematic circuit diagram of a control power board and a signal detection device according to embodiment of the present invention;
fig. 2 is a schematic structural diagram of a control power board and a signal detection device according to embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a signal detection device according to embodiment of the present invention;
fig. 4 is a schematic diagram of the circuit connection of the control power board, the motor and the heating device according to embodiment of the present invention;
fig. 5 is a waveform diagram of signals processed by the control power board according to embodiment of the present invention;
fig. 6 is a schematic structural diagram of a food processor according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a control power board and a signal detection device according to the second embodiment of the present invention.
The corresponding reference numbers for the component names in the figures are as follows:
1. the device comprises a machine base, a control power supply board, a 101 power supply board, a 102 control board, a 1021 signal processing unit, a second signal processing unit, a 103 lower coupler, a 11 motor, a 2 stirring cup, a 20 signal modulation board, a 201 signal acquisition unit, a 202 signal processing unit, an signal processing unit, a 21 heating device, a 22 crushing cutter, a 203 upper coupler, a 23 cup body, a 24 cup base, a 3 cup cover, a 3011 anti-overflow electrode, a 4 coupler, a 511 temperature sensor, a 512 cover opening sensor, a 513 cup body identification sensor, a 6 signal modulation circuit, a 7 voltage stabilizing circuit, a 81 de-DC unit, a 82 amplification shaping circuit, an 83 signal demodulation circuit.
Detailed Description
The present invention is described in detail in with reference to the accompanying drawings and the embodiments:
example :
with reference to fig. 1 to 6, the embodiment of the utility model provides a provides kinds of accurate food preparation machines of control, food preparation machine includes frame 1, set up stirring cup 2 and the bowl cover 3 on the stirring cup on frame 1, be provided with motor 11 and control power strip 10 in the frame 1, stirring cup 2 includes cup 23 and cup 24, be equipped with motor 11 driven crushing sword 22 in the stirring cup 2, the stirring cup is equipped with heating device 21, control power strip 10 includes power strip 101 and control panel 102, be equipped with signal detection device (not shown in the drawing) on the stirring cup 2, signal detection device is connected through coupler 4 electricity to control power strip 10, coupler 4 includes lower coupler 103 that frame 1 upper end set up and last coupler 203 that sets up on the stirring cup 2, go up coupler 203 and lower coupler 103 coupling connection, food preparation machine still includes signal modulation board 20, signal processing unit 202 locates on signal modulation board 20.
The signal detection device comprises a signal acquisition unit 201 and a signal processing unit 202 of , the food processor comprises two separable parts, the signal detection device is arranged at part , the control power panel 10 is arranged at the second part, the control power panel 10 is electrically connected with the signal detection device through a coupler 4, the coupler 4 is a four-port coupler and comprises a lower coupler 103 and an upper coupler 203, the upper coupler 203 and the lower coupler 103 are coupled and connected, the coupler 4 comprises a coupling port and a second coupling port which are communicated with the control power panel 10 and the signal detection device, the control power panel 10 provides detection power for the signal detection device through a detection power line and a coupling port, the second coupling port is provided with detection power, and the coupler further comprises a third coupling port and a fourth coupling port which are communicated with the control power panel 10 and a load, as shown in fig. 1, the load in the embodiment is a heating device 21.
The signal modulation board is arranged in the cup base, and the signal modulation board is arranged in the cup base, so that the working state signal of the food processor is conveniently transmitted to the control power supply board, the wiring distance is short, the contact connection and signal transmission distance is reduced, the line connection is optimized, and the wiring complexity is reduced.
As shown in fig. 1, the signal acquisition unit 201 includes an anti-spill electrode 3011, a temperature sensor 511, an open cover sensor 512, and a cup recognition sensor 513.
It should be noted that, as shown in fig. 1 and fig. 6, the cup lid 2 is provided with an overflow prevention electrode 3011, the signal acquisition unit 201 detects an overflow prevention signal through the overflow prevention electrode 3011, the lid opening sensor 512 is configured to detect an lid opening signal, the temperature sensor 511 is configured to detect a temperature signal, and the cup identification sensor 513 is configured to detect a cup identification signal.
In the scheme of the embodiment, as shown in fig. 1 and fig. 2, when the upper coupler 203 is coupled with the lower coupler, the control power board 10 is communicated with the signal detection device through the coupler and the detection power line, the signal acquisition unit 201 acquires or more free combinations in the anti-overflow signal, the cover opening signal and the temperature signal according to the actual working condition of the food processor, the -th signal processing unit 202 modulates the working state signal of the food processor acquired by the signal acquisition unit 201 on the detection power line, transmits the working state signal to the control power board 10 through the detection power line and the coupler, a line for transmitting the working state signal is shared with the detection power line, and the working state signal of or more food processors is transmitted by detecting the working state signal of the power line carrier food processor, so that the power line is detected only by circuits.
In addition, , in the aspect of signal transmission, the power panel 10 and the signal detection device are controlled to be connected through the coupler, the problems of contact resistance and signal interference exist, the working state signals of the food processor are coded, modulated and integrated through the signal processing unit 202, the working state signals of the food processor are transmitted through carrier signals, strong and weak electric interference can be effectively avoided, the influence of line connection, the contact resistance of line connection and coupler port connection in the signal transmission process can be effectively reduced or avoided, meanwhile, the interference of other signals can be reduced through digital signal transmission by detecting the power line, the reliability of signal transmission is improved, in addition, along with the development of the technology, if other signal detection equipment needs to be added, the analysis capability of the power line is improved, the improvement of the product performance of the food processor is facilitated, and the improvement of the product performance of the product detection technology is not needed, and the improvement of the product performance of the food processor is facilitated.
As shown in fig. 4, the control power board 10 includes a second signal processing unit 1021 and an analysis control unit (not shown in the figure), and the operation state signal modulated on the detected power line is processed by the second signal processing unit 1021 and transmitted to the analysis control unit. The analysis control unit analyzes the signals of the state of the food processor, as shown in fig. 5, controls the power panel 10 to receive and modulate the carrier signals formed on the detection power line as shown in the left diagram in fig. 5, and analyzes the working state signals obtained by the analysis control unit as shown in the right diagram in fig. 5; the analysis control unit outputs corresponding control signals according to the analyzed working state signals of the state of the food processor to realize the control of the working program of the food processor, such as controlling the load heating device 21 and the like, thereby ensuring the normal work of the food processor.
The anti-overflow control method for the food processor has the advantages that accurate transmission and analysis of working state signals of the food processor can provide accurate control basis for execution of working programs of the food processor, materials can be adequately stirred and cooked in due time in combination with the working state signals of the food processor in the working process of the food processor, if the anti-overflow signals are accurately transmitted to the control power panel, the control power panel is beneficial to accurately controlling the food processor to prevent the materials from overflowing so as to improve the quality of food materials processed by the food processor and realize high-quality food processing, the temperature of the materials can be accurately detected so as to accurately process the materials according to temperature information, the anti-overflow control can be better performed when the food materials are boiled, whether the upper cover of the food processor is not mounted in place or opened due to other situations is detected by detecting the cover opening signal, the food processor stops working in due to the situation when the upper cover is not mounted in place, safety is improved, the processing container is accurately identified after the processing container is mounted in place, so that the working mode of the corresponding to the container is selected, in addition, in the control process of the anti-overflow signals, identification signals, the anti-overflow signals can be matched with the anti-overflow signal identification, the anti-overflow signal identification can be better detection can be used for example, the anti-overflow detection of the anti-overflow signal identification cup body can be used for realizing that the anti-overflow processing container can be used for accurately detected when the anti-overflow processing container, the anti-overflow processing temperature signal identification is detected, the anti-overflow processing container, the anti-overflow processing temperature signal, the anti-overflow processing machine can be detected when the anti-overflow processing container can be detected when the anti-overflow processing.
As shown in FIG. 4, the second signal processing unit 1021 comprises an amplifying and shaping circuit 82, the amplifying and shaping circuit comprises an amplifying circuit and a shaping circuit which are connected in sequence, the amplifying circuit comprises a -th operational amplifier U2B, the shaping circuit comprises a comparison circuit and a second operational amplifier U2A, the comparison circuit comprises a series circuit of a sixth resistor R6, a ninth resistor R9 and a fifteenth resistor R15, the analysis control unit comprises a signal demodulation circuit 83 and a processor which are connected in sequence, the signal demodulation circuit 83 is used for analyzing the working state signal of the food processing machine, and the processor is used for outputting a control signal according to the analyzed working state signal.
As shown in fig. 4, the second signal processing unit 1021 further includes a dc removing unit 81, the signal modulated on the detection power line includes a dc component, the dc removing unit removes the dc component of the signal, that is, removes the power signal with fixed amplitude to retain a useful signal, where the useful signal is an operating state signal of the food processor modulated on the detection power line, and the operating state signal modulated on the detection power line is transmitted to the analysis control unit after passing through the dc removing unit and the amplifying and shaping circuit in sequence.
As shown in FIG. 4, the dc removing unit 81 includes a sixth capacitor C6, a seventh capacitor C7, a ninth capacitor C9 and an eighteenth resistor R18, the seventh capacitor C7 is connected in parallel to the coupler at two ends of the th port and the second port, the th port of the sixth capacitor C6 is connected to the coupler at the second port, the sixth capacitor C6 at the second port is connected to the amplifying and shaping circuit, the ninth capacitor C9 and the eighteenth resistor R18 at two ends in parallel are respectively connected to the sixth capacitor at the second port and the bottom coupler at the th port.
As shown in fig. 3, the -th signal processing unit 202 includes a voltage regulator circuit 7 and a signal modulation circuit 6, the control power board 10 is connected to the signal modulation circuit 6 through the voltage regulator circuit 7 by detecting the power line, and the control power board supplies power to the signal modulation circuit 6 through the voltage regulator circuit 7.
In the embodiment, the temperature sensor 511 adopts a thermistor NTC1, the detection is accurate, the manufacturing cost is low, the anti-overflow signal and the cover opening signal are respectively obtained through an anti-overflow electrode through a anti-overflow contact and a second anti-overflow contact of the signal acquisition unit 201, when the part and the second part are installed in place, the anti-overflow contact and the second anti-overflow contact are both communicated with the anti-overflow electrode, the signals detected by the anti-overflow contact and the second anti-overflow contact are consistent, when the part and the second part are not installed in place, the signals acquired by the anti-overflow contact and the second anti-overflow contact are not consistent, so that the detection of the cover opening signal and the anti-overflow signal is realized, the materials can be accurately processed in the aspect, in addition, the anti-overflow control can be better performed when the food is boiled, the signal obtained when the cup body of the food processor is opened in time, the control signal can be output to stop the work of the food processor, and the safety is improved, the tenth resistor R10 is adopted by the identification sensor 513 in the.
It will be appreciated that ports of the coupler may be used to transmit specific signals between the blender cup and the base, or that the coupler ports may be used to communicate load and control or power boards, so the number of ports of the coupler may be five, six, etc.
It will be appreciated that the operating condition signal of the food processor may also comprise detecting an operating condition signal of the heating device.
It is understood that the power board and the control board may be body structures.
It is understood that the signal modulation plate may be provided at the cup body handle.
Example two:
the main difference between this embodiment and embodiment is that this embodiment uses a processor to analyze the signal modulated on the detection power line and outputs a control signal according to the analyzed signal.
As shown in fig. 7, in this embodiment, a signal demodulation circuit is not separately provided, but a processor is used to analyze the signal modulated on the detection power line and output a control signal according to the analyzed signal. The advantages of such an arrangement are: on the premise of achieving the effects of analyzing signals and controlling, the circuit design complexity and the manufacturing cost can be reduced, and the size of the circuit board is reduced.
Other structures and advantages of this embodiment are the same as those of embodiment , and are not described herein again.
It should be understood by those skilled in the art that the embodiments of the present invention have been described above, but the embodiments are only for convenience of understanding, and are not intended to limit the embodiments of the present invention. It will be apparent to those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the embodiments of the invention as defined by the appended claims and their equivalents.
Claims (10)
- The utility model provides an accurate food preparation machine of kinds of control, including signal detection device and control power strip, the control power strip gives through the detection power cord signal detection device provides detection power, a serial communication port, signal detection device includes signal acquisition unit and signal processing unit, the signal acquisition unit is gathered food preparation machine's multiple operating condition signal, signal processing unit will operating condition signal modulation is in transmit on the detection power cord for the control power strip, the control power strip includes second signal processing unit and analytic control unit, and the modulation is in operating condition signal on the detection power cord transmits after the second signal processing unit is handled for analytic control unit.
- 2. The food processor of claim 1, wherein the food processor includes two separable portions, the signal detection device is disposed in the th portion, the control power board is disposed in the second portion, and the control power board is electrically coupled to the signal detection device via a coupler.
- 3. The food processor of claim 2, wherein the coupler includes and a second coupling port for communicating with a control power strip and a signal detection device, the control power strip providing detection power to the signal detection device via the detection power line and and the second coupling port, the coupler further including a third coupling port and a fourth coupling port for communicating with the control power strip and a load.
- 4. The food processor of claim 1, wherein the operating condition signals include at least a spill-proof signal, the signal acquisition unit being provided with a spill-proof electrode electrically connected to the th signal processing unit.
- 5. The food processor of claim 2, wherein the second signal processing unit comprises an amplifying and shaping circuit comprising an amplifying circuit and a shaping circuit connected in sequence, wherein the amplifying circuit comprises an -th operational amplifier, wherein the shaping circuit comprises a comparing circuit and a second operational amplifier, wherein the analyzing control unit comprises a signal demodulating circuit and a processor connected in sequence, wherein the signal demodulating circuit is configured to analyze the operating state signal of the food processor, and wherein the processor is configured to output the control signal according to the analyzed operating state signal.
- 6. The food processor of claim 5, wherein the second signal processing unit further comprises a de-dc unit for removing dc components of the signal, and the operating status signal modulated on the detection power line is transmitted to the analysis control unit after passing through the de-dc unit and the amplifying and shaping circuit in sequence.
- 7. The food processor of claim 6, wherein the de-DC unit includes a capacitor, wherein an th port of the capacitor is connected to the second coupling port of the coupler, and wherein the second port of the capacitor is connected to the amplification shaping circuit.
- 8. The food processor of claim 1, wherein the signal processing unit includes a voltage regulator circuit and a signal modulation circuit, the control power board being connected to the signal modulation circuit via the voltage regulator circuit by a test power cord.
- 9. The food processor of claim 8, wherein the signal conditioning circuit comprises a signal conditioning chip, and the signal acquisition unit comprises or a combination thereof, and the temperature sensor, the lid release sensor, and the cup identification sensor are connected to the signal conditioning chip.
- 10. The food processor of claim 9, wherein the temperature sensor is a thermistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211646.0U CN209996096U (en) | 2018-12-26 | 2018-12-26 | food processor with accurate control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211646.0U CN209996096U (en) | 2018-12-26 | 2018-12-26 | food processor with accurate control |
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| Publication Number | Publication Date |
|---|---|
| CN209996096U true CN209996096U (en) | 2020-01-31 |
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| CN201822211646.0U Active CN209996096U (en) | 2018-12-26 | 2018-12-26 | food processor with accurate control |
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| Country | Link |
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| CN (1) | CN209996096U (en) |
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2018
- 2018-12-26 CN CN201822211646.0U patent/CN209996096U/en active Active
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Effective date of registration: 20230607 Address after: Building 2, No. 52, 22nd Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Jiuchuang Home Appliances Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |