CN204241651U - The rotation-blocking up detection device of juice extractor and juice extractor - Google Patents
The rotation-blocking up detection device of juice extractor and juice extractor Download PDFInfo
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- CN204241651U CN204241651U CN201420743381.8U CN201420743381U CN204241651U CN 204241651 U CN204241651 U CN 204241651U CN 201420743381 U CN201420743381 U CN 201420743381U CN 204241651 U CN204241651 U CN 204241651U
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Abstract
The utility model discloses a kind of juice extractor, comprising: housing; Be positioned at the guidance panel on described housing; Be arranged in the motor of described housing; Be arranged in the current detector of described housing, described current detector generates detection signal according to the electric current in described motor; Be arranged in the controller of described housing, described controller is connected with described current detector, and described controller generates stall signal according to described detection signal.This juice extractor can detect the stall phenomenon occurred in juice-extracting process, so that controller or user process accordingly, thus improves the safety in utilization of juice extractor, avoids juice extractor fuselage to damage or personal injury.And this juice extractor is simple and practical, reliability is high, be convenient to promote.The invention also discloses a kind of rotation-blocking up detection device of juice extractor.
Description
Technical field
The utility model relates to living electric apparatus technical field, particularly the rotation-blocking up detection device of a kind of juice extractor and a kind of juice extractor.
Background technology
Juice extractor is by the performance parameter of the mode of squeezing the juice, the technological level of squeezing the juice, motor itself and the operate power of different food materials and motor is unmatched affects, and may occur the phenomenon of stall or card machine.It can thus be appreciated that, in use often there is the phenomenon of stall, card machine in relevant juice extractor, very big inconvenience and puzzlement is brought to the use of consumer, such as, damage may be caused to product itself, make it cisco unity malfunction, more serious even can also cause harm on fire of Denging, brings loss to consumer's person with property.
But, in correlation technique, cannot judge whether whether juice extractor stall or card machine occur.
Utility model content
The utility model is intended to solve one of technical matters in correlation technique at least to a certain extent.
For this reason, an object of the present utility model is to propose a kind of juice extractor that can detect the stall occurred in juice-extracting process or card machine phenomenon.
Another object of the present utility model is the rotation-blocking up detection device proposing a kind of juice extractor.
According to the juice extractor that the utility model proposes on the one hand, comprising: housing; Be positioned at the guidance panel on described housing; Be arranged in the motor of described housing; Be arranged in the current detector of described housing, described current detector generates detection signal according to the electric current in described motor; Be arranged in the controller of described housing, described controller is connected with described current detector, and described controller generates stall signal according to described detection signal.
According to the juice extractor that the utility model proposes, current detector generates detection signal according to the electric current in motor, controller generates stall signal according to detection signal, thus, this juice extractor can detect the stall phenomenon occurred in juice-extracting process, so that controller or user process accordingly, thus improve the safety in utilization of juice extractor, avoid juice extractor fuselage to damage or personal injury.And this juice extractor is simple and practical, reliability is high, be convenient to promote.
Preferably, described juice extractor also comprises: prompting device, and described prompting device is connected with described controller, and described prompting device is pointed out according to the stall signal of described controller, thus, can by stall information feed back to user, timely reminding user processes.
Particularly, described current detector comprises: first input end and the second input end, described first input end is connected with the zero line of AC power, described second input end is connected with the live wire of described AC power, wherein, described AC power is connected with described motor with the second input end by first input end; First resistance, described first resistance is connected between described first input end and described motor, has node between described first resistance and described motor; Output terminal; Diode, the negative electrode of described diode is connected with default power supply, and the anode of described diode is connected with described node, and the anode of described diode is also connected to export described detection signal with described controller by described output terminal.Wherein, the voltage of described first input end is equal with the voltage of described default power supply.
Particularly, described current detector also comprises: current-limiting resistance, and described current-limiting resistance is connected between the anode of described diode and described output terminal; Second resistance and electric capacity, one end of described second resistance is connected with described node, and the other end of described second resistance is connected with the anode of described diode, and one end of described electric capacity is connected with the other end of described second resistance, the other end ground connection of described electric capacity.
According to the rotation-blocking up detection device of the juice extractor that the utility model proposes on the other hand, comprising: current detector, described current detector generates detection signal according to the electric current in the motor of described juice extractor; Controller, described controller is connected with described current detector, and described controller generates stall signal according to described detection signal.
According to the rotation-blocking up detection device of the juice extractor that the utility model proposes, current detector generates detection signal according to the electric current in motor, controller generates stall signal according to detection signal, thus, this rotation-blocking up detection device can detect the stall phenomenon occurred in juice-extracting process, so that controller or user process accordingly, thus improve the safety in utilization of juice extractor, avoid juice extractor fuselage to damage or personal injury.And this rotation-blocking up detection device is simple and practical, reliability is high, be convenient to promote.
Particularly, described current detector comprises: first input end and the second input end, described first input end is connected with the zero line of AC power, described second input end is connected with the live wire of described AC power, wherein, described AC power is connected with described motor with the second input end by first input end; First resistance, described first resistance is connected between described first input end and described motor, has node between described first resistance and described motor; Output terminal; Diode, the negative electrode of described diode is connected with default power supply, and the anode of described diode is connected with described node, and the anode of described diode is also connected to export described detection signal with described controller by described output terminal.Wherein, the voltage of described first input end is equal with the voltage of described default power supply.
Particularly, described current detector also comprises: current-limiting resistance, and described current-limiting resistance is connected between the anode of described diode and described output terminal; Second resistance and electric capacity, one end of described second resistance is connected with described node, and the other end of described second resistance is connected with the anode of described diode, and one end of described electric capacity is connected with the other end of described second resistance, the other end ground connection of described electric capacity.
Accompanying drawing explanation
Fig. 1 is the block diagram of the juice extractor according to the utility model embodiment;
Fig. 2 is the block diagram of the juice extractor according to the utility model embodiment;
Fig. 3 is the block diagram of the juice extractor according to the utility model specific embodiment; And
Fig. 4 is the block diagram of the rotation-blocking up detection device of juice extractor according to the utility model embodiment.
Reference numeral:
Motor 10, current detector 20, controller 30, prompting device 40, first input end N_1, the second input end L_1, the first resistance R1, output terminal I-Det, diode D, motor interface 100, current-limiting resistance Rx, the second resistance R2 and electric capacity C.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The rotation-blocking up detection device of juice extractor and the juice extractor proposed according to the utility model embodiment is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of the juice extractor according to the utility model embodiment.As shown in Figure 1, this juice extractor comprises: housing (not shown), guidance panel (not shown), motor 10, current detector 20 and controller 30.
Wherein, guidance panel is positioned on housing, for receiving the instruction of user; Motor 10 is arranged in housing, and motor 10 can be direct current generator or alternating current generator, and when motor 10 is alternating current generator, AC power can directly be powered for motor 10, when motor 10 is direct current generators, AC power is powered for motor 10 after rectification process again; Current detector 20 is arranged in housing, and current detector 20 generates detection signal according to the electric current in motor 10; Controller 30 is arranged in housing, and controller 30 is connected with current detector 20, and controller 30 generates stall signal according to detection signal.
Be understandable that, controller 30 also can be connected with motor 10, and stall signal can be sent to motor 10 by controller 30, quits work to control motor 10 or controls to the running parameter adjustment of motor 10 rotating speed that motor 10 reverses or increase motor.
It should be noted that, when stall occurs motor 10, the electric current in motor 10 will sharply increase, and cannot produce mechanical energy due to motor 10, and electric energy all will be converted into heat energy, thus causes damage to the fuselage of juice extractor, even causes harm on fire of Denging.
Thus, according to the utility model embodiment, the curent change detected in motor 10 by current detector 20 generates detection signal, and detection signal is sent to controller 30 such as MCU (Micro Control Unit, micro-control unit), controller 30 is by detection signal and preset reference signal such as detects voltage and predetermined reference voltage contrasts, if comparing result meets stall occurrence condition, such as detect voltage and be less than predetermined reference voltage, then controller 30 sends stall signal electric machine 10 to carry out stall control to motor 10, such as control motor 10 quit work or control to the running parameter adjustment of motor 10 rotating speed that motor 10 reverses or increase motor.
In addition, according to a concrete example of the present utility model, controller 30 is by can bidirectional triode thyristor or relay control motor 10.
According to an embodiment of the present utility model, as shown in Figure 2, juice extractor also comprises prompting device 40.Prompting device 40 is connected with controller 30, and prompting device 40 is pointed out according to the stall signal of controller 30,
That is, when controller 30 judges that comparing result meets stall occurrence condition, while stall signal is sent to motor 10, also stall signal is sent to prompting device 40, to point out user's stall to occur, takes treatment measures in time.Thus, can by stall information feed back to user, timely reminding user processes.
According to a concrete example of the present invention, prompting device 40 can be one or more in hummer, voice prompting device, pilot lamp and display, thus by vision and/or audible means by stall information feed back to user.
According to a specific embodiment of the present invention, as shown in Figure 3, current detector 20 comprises: first input end N_1, the second input end L_1, the first resistance R1, output terminal I-Det and diode D.
As shown in Figure 3, first input end N_1 is connected with the zero line N of AC power, and the second input end L_1 is connected with the live wire L of AC power, and wherein, AC power is connected with motor 10 with the second input end by first input end; First resistance R1 is connected between first input end N_1 and motor 10, and namely one end of the first resistance R1 is connected with first input end N_1, and the other end of the first resistance R1 is connected with motor 10, has node a between the first resistance R1 and motor 10; The negative electrode of diode D is connected with default power supply VCC such as+5V, and the anode of diode D is connected with node a, and the anode of diode D is also connected with output detections signal with controller 30 by output terminal I-Det.
Wherein, it should be noted that, because the electric current flowing through the first resistance R1 is alternating current, so the other end of the first resistance R1 and the voltage of node a are alternating voltage.Diode D is used for carrying out rectification to make the negative half-wave of alternating voltage effective to the alternating voltage of node a, thus export the alternating voltage after rectification to controller 30, judge whether juice extractor stall occurs to make controller 30 according to the change in voltage of the other end of detection first resistance R1.Further, the ceiling voltage of detection signal also can be clamped to default power supply VCC by diode D, to prevent the input/output end port of controller 30 breakdown.Wherein, be understandable that, the voltage structure being less than AC supply voltage in the alternating voltage of node a bears half-wave, and the alternating voltage of node a is node a voltage over the ground.
According to a preferred embodiment of the present invention, the voltage of first input end N_1 is equal with the voltage of default power supply VCC, such as, be+5V.Wherein, it should be noted that, the voltage of first input end N_1 is first input end N_1 voltage over the ground.
Specifically, as shown in Figure 3, current detector 20 also can comprise motor interface 100, motor 10 is connected with current detector 20 by motor interface 100, namely the zero line N of AC power is connected with motor 10 with the first end 1 of motor interface 100 by first input end N_1, and the live wire L of AC power is connected with motor 10 with the second end of motor interface 100 by the second input end L_1.Preferably, AC power can be the electric main of powering for juice extractor, and electric main can be passed through after EMC module goes interference and inputs to first input end N_1 and the second input end L_1.Further, one end of the first resistance R1 can be connected with first input end N_1, and the first end 1 that the other end of the first resistance R1 can be motor interface 100 is connected, and has node a between the other end of the first resistance R1 and the first end 1 of motor interface 100.
Further, according to a specific embodiment of the present invention, as shown in Figure 3, current detector 20 also can comprise: current-limiting resistance Rx, the second resistance R2 and electric capacity C.
Wherein, the anode that current-limiting resistance Rx is connected to diode D is also and between controller 30, namely one end of current-limiting resistance Rx is connected with the anode of diode D, the other end of current-limiting resistance Rx is connected with output terminal I-Det, namely be connected with controller 30 by output terminal I-Det, current-limiting resistance Rx is used for carrying out current limliting, in case the electric current that fluid stopping enters controller 30 is too high.One end of second resistance R2 is connected with node a, and the other end of the second resistance R2 is connected with the anode of diode D, and one end of electric capacity C is connected with the other end of the second resistance R2, the other end ground connection of electric capacity C, and wherein, the second resistance R2 and electric capacity C is used for carrying out filtering.
According to a preferred embodiment of the present utility model, the first resistance R1 can be 0.47 Ω/2W (namely the resistance of the first resistance R1 is 0.47 Ω, and the power of the first resistance R1 is 2W), the first resistance R2 can 10K Ω, current-limiting resistance Rx can 1K Ω.
Generally speaking, when the electric current in motor 10 changes, the electric current flowing through the first resistance R1 changes, and the voltage (namely the voltage of node a deducts the voltage of first input end N_1) at the first resistance R1 two ends also can change, and the voltage of node a also can change.When the voltage of node a is more than or equal to the voltage of default power supply VCC, diode D conducting, the voltage of output terminal I-Det equals the voltage of default power supply VCC always, in this case, the detection voltage that controller 30 receives is unchanged, cannot judge whether juice extractor stall occurs.And when the voltage of node a is less than the voltage of default power supply VCC, diode D ends, the voltage of output terminal I-Det changes along with the change of the voltage of node a, in this case, as fruit squazzer generation stall, electric current then in motor 10 can increase, the electric current flowing through the first resistance R1 can increase, the voltage at the first resistance R1 two ends also can increase, the voltage of node a will reduce, when the voltage of node a is less than the reference voltage that controller 30 presets, controller 30 judges juice extractor generation stall, controller 30 sends stall signal to motor 10, quit work to control motor 10 or the running parameter of motor 10 is adjusted.
To sum up, according to the juice extractor that the utility model proposes, current detector generates detection signal according to the electric current in motor, controller generates stall signal according to detection signal, thus this juice extractor can detect the stall phenomenon occurred in juice-extracting process, so that controller or user process accordingly, thus improve the safety in utilization of juice extractor, avoid juice extractor fuselage to damage or personal injury.And this juice extractor is simple and practical, reliability is high, be convenient to promote.In addition, prompting device also can be pointed out according to the stall signal of controller, thus, can by stall information feed back to user, timely reminding user processes.
Fig. 4 is the block diagram of the rotation-blocking up detection device of juice extractor according to the utility model embodiment.As shown in Figure 4, the rotation-blocking up detection device of this juice extractor comprises: current detector 20 and controller 30.
Wherein, current detector 20 generates detection signal according to the electric current in the motor of juice extractor; Controller 30 is connected with current detector 20, and controller 30 generates stall signal according to detection signal.
It should be noted that, when motor generation stall, the electric current in motor will sharply increase, and cannot produce mechanical energy due to motor, and electric energy all will be converted into heat energy, thus causes damage to the fuselage of juice extractor, even causes harm on fire of Denging.
Thus, according to the utility model embodiment, the curent change detected in motor by current detector 20 generates detection signal, and detection signal is sent to controller 30 such as MCU (Micro Control Unit, micro-control unit), controller 30 is by detection signal and preset reference signal such as detects voltage and predetermined reference voltage contrasts, if comparing result meets stall occurrence condition, such as detect voltage and be less than predetermined reference voltage, then controller 30 sends stall signal electric machine to carry out stall control to motor, such as control motor quit work or control motor reversal to the running parameter adjustment of motor or increase the rotating speed of motor.
In addition, according to a concrete example of the present utility model, controller 30 is by can bidirectional triode thyristor or relay control motor.
According to a specific embodiment of the present invention, as shown in Figure 3, current detector 20 comprises: first input end N_1, the second input end L_1, the first resistance R1, output terminal I-Det and diode D.
As shown in Figure 3, first input end N_1 is connected with the zero line N of AC power, and the second input end L_1 is connected with the live wire L of AC power, and wherein, AC power is connected with motor with the second input end by first input end; First resistance R1 is connected between first input end N_1 and motor, and namely one end of the first resistance R1 is connected with first input end N_1, and the other end of the first resistance R1 is connected with motor, has node a between the first resistance R1 and motor; The negative electrode of diode D is connected with default power supply VCC such as+5V, and the anode of diode D is connected with node a, and the anode of diode D is also connected with output detections signal with controller 30 by output terminal I-Det.
Wherein, it should be noted that, the electric current flowing through the first resistance R1 is alternating current, and the other end of the first resistance R1 and the voltage of node a are also alternating voltage.Diode D is used for carrying out rectification to make the negative half-wave of alternating voltage effective to the alternating voltage of node a, thus export the alternating voltage after rectification to controller 30, judge whether juice extractor stall occurs to make controller 30 according to the change in voltage of the other end of detection first resistance R1.Further, the ceiling voltage of detection signal also can be clamped to default power supply VCC by diode D, to prevent the input/output end port of controller 30 breakdown.Wherein, be understandable that, the voltage structure being less than AC supply voltage in the alternating voltage of node a bears half-wave, and the alternating voltage of node a is node a voltage over the ground.
According to a preferred embodiment of the present invention, the voltage of first input end N_1 is equal with the voltage of default power supply VCC, such as, be+5V.Wherein, it should be noted that, the voltage of first input end N_1 is first input end N_1 voltage over the ground.
Specifically, as shown in Figure 3, current detector 20 also can comprise motor interface 100, motor is connected with current detector 20 by motor interface 100, namely the zero line N of AC power is connected with motor with the first end 1 of motor interface 100 by first input end N_1, and the live wire L of AC power is connected with motor with the second end of motor interface 100 by the second input end L_1.Preferably, AC power can be the electric main of powering for juice extractor, and electric main can be passed through after EMC module goes interference and inputs to first input end N_1 and the second input end L_1.Further, one end of the first resistance R1 can be connected with first input end N_1, and the first end 1 that the other end of the first resistance R1 can be motor interface 100 is connected, and has node a between the other end of the first resistance R1 and the first end 1 of motor interface 100.
Further, according to a specific embodiment of the present invention, as shown in Figure 3, current detector 20 also can comprise: current-limiting resistance Rx, the second resistance R2 and electric capacity C.
Wherein, the anode that current-limiting resistance Rx is connected to diode D is also and between controller 30, namely one end of current-limiting resistance Rx is connected with the anode of diode D, the other end of current-limiting resistance Rx is connected with output terminal I-Det, namely be connected with controller 30 by output terminal I-Det, current-limiting resistance Rx is used for carrying out current limliting, in case the electric current that fluid stopping enters controller 30 is too high.One end of second resistance R2 is connected with node a, and the other end of the second resistance R2 is connected with the anode of diode D, and one end of electric capacity C is connected with the other end of the second resistance R2, the other end ground connection of electric capacity C, and wherein, the second resistance R2 and electric capacity C is used for carrying out filtering.
According to a preferred embodiment of the present utility model, the first resistance R1 can be 0.47 Ω/2W (namely resistance is 0.47 Ω, and power is 2W), the first resistance R2 can 10K Ω, current-limiting resistance Rx can 1K Ω.
Generally speaking, when the electric current in motor changes, the electric current flowing through the first resistance R1 changes, and the voltage (namely the voltage of node a deducts the voltage of first input end N_1) at the first resistance R1 two ends also can change, and the voltage of node a also can change.When the voltage of node a is more than or equal to the voltage of default power supply VCC, diode D conducting, the voltage of output terminal I-Det equals the voltage of default power supply VCC always, in this case, the detection voltage that controller 30 receives is unchanged, cannot judge whether juice extractor stall occurs.And when the voltage of node a is less than the voltage of default power supply VCC, diode D ends, the voltage of output terminal I-Det changes along with the change of the voltage of node a, in this case, as fruit squazzer generation stall, electric current then in motor can increase, the electric current flowing through the first resistance R1 can increase, the voltage at the first resistance R1 two ends also can increase, the voltage of node a will reduce, when the voltage of node a is less than the reference voltage that controller 30 presets, controller 30 judges juice extractor generation stall, controller 30 sends stall signal to motor, quit work to control motor or the running parameter of motor is adjusted.
To sum up, according to the rotation-blocking up detection device of the juice extractor that the utility model proposes, current detector generates detection signal according to the electric current in motor, controller generates stall signal according to detection signal, thus the rotation-blocking up detection device of this juice extractor can detect the stall phenomenon occurred in juice-extracting process, so that controller or user process accordingly, thus improve the safety in utilization of juice extractor, avoid juice extractor fuselage to damage or personal injury.And the rotation-blocking up detection device of this juice extractor is simple and practical, reliability is high, be convenient to promote.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this instructions or example and different embodiment or example can carry out combining and combining by those skilled in the art.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Describe and can be understood in process flow diagram or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of preferred implementation of the present utility model comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiment person of ordinary skill in the field of the present utility model.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this instructions, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), ROM (read-only memory) (ROM), erasablely edit ROM (read-only memory) (EPROM or flash memory), fiber device, and portable optic disk ROM (read-only memory) (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanning to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer memory.
Should be appreciated that each several part of the present utility model can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (9)
1. a juice extractor, is characterized in that, comprising:
Housing;
Be positioned at the guidance panel on described housing;
Be arranged in the motor of described housing;
Be arranged in the current detector of described housing, described current detector generates detection signal according to the electric current in described motor; And
Be arranged in the controller of described housing, described controller is connected with described current detector, and described controller generates stall signal according to described detection signal.
2. juice extractor as claimed in claim 1, is characterized in that, also comprise:
Prompting device, described prompting device is connected with described controller, and described prompting device is pointed out according to the stall signal of described controller.
3. juice extractor as claimed in claim 1, it is characterized in that, described current detector comprises:
First input end and the second input end, described first input end is connected with the zero line of AC power, and described second input end is connected with the live wire of described AC power, and wherein, described AC power is connected with described motor with the second input end by first input end;
First resistance, described first resistance is connected between described first input end and described motor, has node between described first resistance and described motor;
Output terminal; And
Diode, the negative electrode of described diode is connected with default power supply, and the anode of described diode is connected with described node, and the anode of described diode is also connected to export described detection signal with described controller by described output terminal.
4. juice extractor as claimed in claim 3, it is characterized in that, described current detector also comprises:
Current-limiting resistance, described current-limiting resistance is connected between the anode of described diode and described output terminal;
Second resistance and electric capacity, one end of described second resistance is connected with described node, and the other end of described second resistance is connected with the anode of described diode, and one end of described electric capacity is connected with the other end of described second resistance, the other end ground connection of described electric capacity.
5. juice extractor as claimed in claim 3, it is characterized in that, wherein, the voltage of described first input end is equal with the voltage of described default power supply.
6. a rotation-blocking up detection device for juice extractor, is characterized in that, comprising:
Current detector, described current detector generates detection signal according to the electric current in the motor of described juice extractor; And
Controller, described controller is connected with described current detector, and described controller generates stall signal according to described detection signal.
7. the rotation-blocking up detection device of juice extractor as claimed in claim 6, it is characterized in that, described current detector comprises:
First input end and the second input end, described first input end is connected with the zero line of AC power, and described second input end is connected with the live wire of described AC power, and wherein, described AC power is connected with described motor with the second input end by first input end;
First resistance, described first resistance is connected between described first input end and described motor, has node between described first resistance and described motor;
Output terminal; And
Diode, the negative electrode of described diode is connected with default power supply, and the anode of described diode is connected with described node, and the anode of described diode is also connected to export described detection signal with described controller by described output terminal.
8. the rotation-blocking up detection device of juice extractor as claimed in claim 7, it is characterized in that, described current detector also comprises:
Current-limiting resistance, described current-limiting resistance is connected between the anode of described diode and described output terminal;
Second resistance and electric capacity, one end of described second resistance is connected with described node, and the other end of described second resistance is connected with the anode of described diode, and one end of described electric capacity is connected with the other end of described second resistance, the other end ground connection of described electric capacity.
9. the rotation-blocking up detection device of juice extractor as claimed in claim 7, it is characterized in that, wherein, the voltage of described first input end is equal with the voltage of described default power supply.
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| CN201420743381.8U CN204241651U (en) | 2014-12-01 | 2014-12-01 | The rotation-blocking up detection device of juice extractor and juice extractor |
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| CN201420743381.8U CN204241651U (en) | 2014-12-01 | 2014-12-01 | The rotation-blocking up detection device of juice extractor and juice extractor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840542A (en) * | 2016-05-31 | 2016-08-10 | 观致汽车有限公司 | State detection device and detection method for cooling fan |
| CN107479457A (en) * | 2017-05-18 | 2017-12-15 | 浙江绍兴苏泊尔生活电器有限公司 | food processor and control method thereof |
| CN107951362A (en) * | 2017-12-05 | 2018-04-24 | 珠海格力电器股份有限公司 | Stirring equipment and control method thereof |
| CN108497952A (en) * | 2017-02-23 | 2018-09-07 | 广东美的生活电器制造有限公司 | Food cooking machine and its anti-blocking rotary device, method |
| CN109463979A (en) * | 2018-10-12 | 2019-03-15 | 九阳股份有限公司 | A kind of control method and cooking machine of cooking machine |
| CN110120774A (en) * | 2018-02-05 | 2019-08-13 | 佛山市顺德区美的电热电器制造有限公司 | Adjusting method, cooking machine and the storage medium of cooking machine |
| CN111568590A (en) * | 2020-07-01 | 2020-08-25 | 卡瓦科尔牙科医疗器械（苏州）有限公司 | System and method for cleaning plant mobile phone with self-adaptive control function |
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2014
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840542A (en) * | 2016-05-31 | 2016-08-10 | 观致汽车有限公司 | State detection device and detection method for cooling fan |
| CN105840542B (en) * | 2016-05-31 | 2017-11-28 | 观致汽车有限公司 | Cooling fan condition checkout gear and its detection method |
| CN108497952A (en) * | 2017-02-23 | 2018-09-07 | 广东美的生活电器制造有限公司 | Food cooking machine and its anti-blocking rotary device, method |
| CN107479457A (en) * | 2017-05-18 | 2017-12-15 | 浙江绍兴苏泊尔生活电器有限公司 | food processor and control method thereof |
| CN107951362A (en) * | 2017-12-05 | 2018-04-24 | 珠海格力电器股份有限公司 | Stirring equipment and control method thereof |
| CN110120774A (en) * | 2018-02-05 | 2019-08-13 | 佛山市顺德区美的电热电器制造有限公司 | Adjusting method, cooking machine and the storage medium of cooking machine |
| CN110120774B (en) * | 2018-02-05 | 2021-05-28 | 佛山市顺德区美的电热电器制造有限公司 | Cooking machine adjusting method, cooking machine and storage medium |
| CN109463979A (en) * | 2018-10-12 | 2019-03-15 | 九阳股份有限公司 | A kind of control method and cooking machine of cooking machine |
| CN111568590A (en) * | 2020-07-01 | 2020-08-25 | 卡瓦科尔牙科医疗器械（苏州）有限公司 | System and method for cleaning plant mobile phone with self-adaptive control function |
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