CN209996115U - food processor with stable control - Google Patents
food processor with stable control Download PDFInfo
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- CN209996115U CN209996115U CN201920287430.4U CN201920287430U CN209996115U CN 209996115 U CN209996115 U CN 209996115U CN 201920287430 U CN201920287430 U CN 201920287430U CN 209996115 U CN209996115 U CN 209996115U
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- food processor
- control unit
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- 235000013305 food Nutrition 0.000 title claims abstract description 108
- 238000002360 preparation method Methods 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 230000008054 signal transmission Effects 0.000 claims abstract 2
- 238000001514 detection method Methods 0.000 claims description 48
- 238000003756 stirring Methods 0.000 claims description 20
- 230000003287 optical effect Effects 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009246 food effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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Abstract
The utility model discloses a stable food preparation machine of control, food preparation machine is including being used for the kibbling brushless motor module of material mixing and control the control unit of brushless motor module, food preparation machine still includes brake protection module, works as when the brushless motor module is in operating condition, brake protection module acquires brake protection signal and will brake protection signal transmission gives the control unit, the control unit basis brake protection signal sends brake instruction to brushless motor module to make brushless motor module carry out the protectiveness brake and shut down, the brushless motor module includes brushless motor, brushless motor's rotational speed scope is 10000rpm to 24000rpm, and brushless motor can stall fast, reaches the effect of the quick brake of food preparation machine promptly, has improved the factor of safety in the product use.
Description
Technical Field
The utility model relates to the technical field of household appliances, particularly, relate to stable food preparation machines of control.
Background
The food processor is a household appliance product with high selection rate of modern home health care and health preservation. The existing food processing machine mostly adopts a single-phase series motor to drive a crushing cutter component to stir food materials so as to realize the preparation of foods such as soybean milk, rice paste and the like.
However, because the rotor of the single-phase series excited motor always maintains a constant steering direction, a controllable phase-shifting voltage regulation is usually adopted for regulating the rotating speed of the single-phase series excited motor, and the triggering voltage of the thyristor lags behind the input voltage to realize the phase-shifting triggering of the input voltage so as to regulate the triggering voltage, thereby regulating the rotating speed of the single-phase series excited motor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at least from the of technical problem who solves among the above-mentioned technique on the degree of journey, for overcoming the shortcoming and the deficiency that exist among the prior art, the utility model provides a kinds of stable food preparation machines of control, this food preparation machine adopt direct current brushless motor, have realized noise reduction, when food preparation machine abnormal state appears, the control unit sends brake command in order to control direct current brushless motor fast braking, improves the factor of safety that the product used.
In order to achieve the above object, the utility model provides an kinds of stable food preparation machine of control, food preparation machine is including being used for the kibbling brushless motor module of material mixing and control the control unit of brushless motor module, food preparation machine still includes brake protection module, works as when the brushless motor module is in operating condition, brake protection module acquires brake protection signal and will brake protection signal sends to the control unit, the control unit basis brake protection signal sends brake instruction to brushless motor module to make brushless motor module carry out protectiveness brake and shut down, brushless motor module includes brushless motor, brushless motor's rotational speed scope is 10000rpm to 24000 rpm.
Preferably, the brake protection module includes a zero-crossing detection module, the zero-crossing detection module is configured to detect a pulse signal, obtain an energization state of the food processor according to the pulse signal, where the energization state includes a conduction state and a disconnection state, and when the energization state is the disconnection state, the control unit sends a brake instruction.
Preferably, the zero-crossing detection module comprises an optical coupler, wherein the th input end and the second input end of the optical coupler are connected with a mains supply, the th output end of the optical coupler is connected with a th direct-current power supply, the second output end of the optical coupler is grounded, and a low-pass filter is arranged between the th input end of the optical coupler and the second output end of the optical coupler.
Preferably, the brake protection module comprises a cover opening detection module, the cover opening detection module is used for detecting the opening state of the cup cover of the stirring cup, the opening state comprises an opening state and a closing state, and when the cup cover is in the opening state, the control unit sends a brake instruction.
Preferably, the brake protection module comprises a current detection module, the current detection module is used for obtaining a current value of the brushless motor module, and when the current value is greater than a preset current value A1, the control unit sends a brake instruction, wherein A1 is greater than or equal to 15 and less than or equal to 25.
Preferably, the brushless motor module includes three upper arm switches and three lower arm switches, and the brushless motor module sets the three lower arm switches to a low level according to the braking instruction to short-circuit the three-phase stator winding of the brushless motor module, so that the brushless motor module is braked and stopped.
Preferably, the three lower arm switches include transistors, and the transistors are turned on when the three lower arm switches are set to a low level.
Preferably, the food processor further comprises a hall detection module, the control unit obtains the rotating speed of the brushless motor in the brushless motor module through the hall detection module, and when the rotating speed of the brushless motor is not greater than a preset value T1, the brushless motor is controlled by square waves; and when the rotating speed of the brushless motor is greater than a preset value T1, controlling the brushless motor by adopting a sine wave, wherein T1 is more than or equal to 1000rpm and less than or equal to 5000 rpm.
The above technical scheme of this application has following beneficial effect:
1. the utility model provides a stable food preparation machine of control, food preparation machine is including being used for stirring kibbling brushless motor module and control to the material the control unit of brushless motor module, under the normal operating condition of food preparation machine, because reasons such as power supply line obstacle lead to food preparation machine outage suddenly or for the security that food preparation machine used, when needing food preparation machine fast shut down, the control unit acquires the brake protection signal that needs food preparation machine fast shut down through brake protection module, the analytic brake protection signal of control unit, when needing fast brake, control corresponding pin output brake instruction to the intelligent power module of brushless motor module, brake instruction drive intelligent power module makes brushless motor's three-phase stator winding whole short circuit, thereby realize being in the electricity generation state with brushless motor, because brushless motor winding's resistance is less, so the return circuit produces great electric current, brushless motor's kinetic energy can be released fast, thereby make brushless motor instantaneously produce very big brake torque, can reach brushless motor fast stall, reach the effect of food preparation machine fast brake promptly, can solve current cooking machine and can's unable quick brake function of realizing, improve the factor of safety of food preparation machine use.
2. The food processor obtains the power-on state of the food processor through a zero-crossing detection module, the zero-crossing detection module comprises a th input end, a second input end, a th output end and a second output end, a th input end, the second input end, a th output end and the second output end are isolated through an optical coupler, the input end of the zero-crossing detection module is provided with a one-way rectifier diode D1 and an optical coupler light-emitting diode U1, the output end of the zero-crossing detection module is provided with a phototriode for receiving a signal sent by a light-emitting diode U1, the optical coupler light-emitting diode U1 is conducted when a mains supply is in a positive half period during the operation of the food processor, the phototriode receives a signal sent by a light-emitting diode U1, the phototriode is conducted, the phototriode outputs a low level to a control unit, the phototriode U1 is turned off when the mains supply is in a negative half period, the phototriode does not receive the signal sent by the light-emitting diode U1, the phototriode is turned off, the phototriode outputs a high level to the control unit, the output level to the control unit, the control unit outputs a pulse signal, the control unit outputs a pulse signal to the control unit, the control unit outputs a pulse signal, the food processor outputs a pulse signal, the control unit outputs a pulse signal, the food processor is detected when the food processor is detected that the food processor is not powered on, the food processor is not powered on state, the food processor is detected when the food processor is a food processor is detected when the food processor is not powered on state, the food processor is detected, the food processor is a food processor is not powered-processing unit, the food.
3. During the operation of the food processor, the cup cover of the mixing cup may be opened due to the situations of improper installation or manual mistaken opening. The control unit in the embodiment of the application detects the opening state of the cup cover of the stirring cup in the working process of the food processor through the cover opening detection module and executes corresponding operation according to the opening state. The opening state comprises an opening state and a closing state, when the control unit detects that the cup cover of the stirring cup is in the closing state, the control unit executes a working program for processing materials according to the original definition of the food processor, when the control unit detects that the cup cover of the stirring cup is in the opening state, the situation that the cup cover and the cup body of the stirring cup are not installed in place possibly occurs in the work of the food processor, and the situation that the cup cover and the cup body of the stirring cup are not installed in place possibly affects the safety of a user because a motor in the food processor drives the crushing cutter assembly to rotate at a high speed. In the embodiment, when the control unit detects that the cup cover of the stirring cup is in an open state, the control unit sends a braking instruction to the intelligent power module of the brushless motor module, so that the brushless motor is stopped rapidly, namely, the effect of rapid braking of the food processor is achieved.
4. When the food processor works normally, the food processor has working conditions of no load and load, and the no load and the load both belong to the normal working state of the brushless motor, so that under the no load or the load, the working current at the brushless motor is in fixed range, namely in a set range, but when the brushless motor is in a close condition such as stalling, the working current value of the brushless motor deviates from the range of the preset current value, therefore, whether the brushless motor of the food processor is in the normal working state can be detected by detecting the current value at the brushless motor module, therefore, the food processor is provided with the current detection module in the embodiment, the control unit can obtain the current value at the brushless motor module through the current detection module, the control unit obtains the current value at the brushless motor module through the current detection module, compares the current value with the preset current value A1, and determines whether to send a brake command according to the comparison result, 15A 1 is not more than or less than 25A, when the A1 is in the range, the brushless motor is in the normal working state, the A1 value is 20A, when the current value at the brushless motor module is more than the preset A1, the current value is more preferably, the brushless motor module, or the brushless motor is close to send the brushless motor stalling condition, thereby, and the brushless motor can quickly stop.
5. The brushless motor module three-way lower arm switch comprises a transistor, when the three-way lower arm switch is at a low level, the transistor is switched on, when the control unit receives and analyzes a brake protection signal, when a rapid brake is needed, the corresponding pin is controlled to output a brake instruction to the brushless motor module, when the corresponding pin of the control unit outputs the low-level-value three-way lower arm switch, the corresponding transistor is switched on, the three-phase stator windings are all short-circuited, the kinetic energy of the brushless motor can be quickly released, and the brushless motor can be rapidly stopped.
6. The food processor can detect the real-time rotating speed of the brushless motor by adopting a Hall detection module, when the rotating speed of the brushless motor is greater than a preset value T1, the value range of T1 is 1000 rpm-5000 rpm, in the embodiment, T1=3000 rpm shows that the brushless motor of the food processor runs basically stably without needing larger torque, at the moment, the sine wave is adopted to control the brushless motor, the square wave control has a switching process of in the sine wave control, compared with the square wave control, the sine wave has smaller pulsation to the control torque of the brushless motor, and the noise and vibration of the whole machine during running and working are smaller.
Drawings
The present invention will be described in further detail in with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a steady-state food processor as embodied in of the present invention;
fig. 2 is a schematic structural diagram of a hall detection module according to embodiment of the present invention;
fig. 3 is a schematic diagram of a starting process of the brushless motor according to embodiment of the present invention;
fig. 4 is a schematic diagram illustrating switching of square wave control to sine wave control of the brushless motor according to embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a sine wave control of a brushless motor according to embodiment of the present invention;
fig. 6 is a schematic structural diagram of a motor driving module according to embodiment of the present invention;
fig. 7 is a schematic diagram illustrating connection of three upper arm switches, three lower arm switches and a brushless motor according to embodiment of the present invention;
fig. 8 is a schematic structural diagram of a zero-cross detection module according to a third embodiment of the present invention.
The corresponding reference numbers for the component names in the figures are as follows:
1. a machine base; 2. A stirring cup; 21. a cup body; 22. a cup cover; 3. a brushless motor module; 31. a brushless motor; 32. a motor bracket; 4. a control unit.
Detailed Description
The present invention is described in detail in with reference to the accompanying drawings and the embodiments:
example :
referring to fig. 1 to 7, this embodiment provides kinds of food processing machines, a food processing machine includes a base 1 and a mixing cup 2 disposed on the base, the mixing cup includes a cup 21 and a cup cover 22 mounted on the cup, the food processing machine further includes a brushless motor module 3 disposed in the base for mixing and pulverizing materials and a control unit 4 for controlling the brushless motor module, the food processing machine further includes a brake protection module (not shown in the drawings), when the brushless motor module 3 is in a working state, the brake protection module obtains a brake protection signal and sends the brake protection signal to the control unit 4, the control unit 4 sends a brake command to the brushless motor module 3 according to the brake protection signal, so that the brushless motor module executes a protective brake shutdown.
As shown in fig. 1 and 6, the brushless motor module includes an intelligent power module, a brushless motor 31 and a motor support 32, the intelligent power module includes a power switch device and a driving circuit, under a normal working state of the food processor, the food processor is suddenly powered off due to reasons such as power supply line obstruction or for safety of use of the food processor, when the food processor needs to be rapidly stopped, the control unit 4 detects and acquires a brake protection signal that the food processor needs to be rapidly stopped, the control unit 4 analyzes the brake protection signal, and when the rapid brake is needed, the corresponding pin is controlled to output a brake instruction to the intelligent power module of the brushless motor module.
The brushless motor module comprises three upper arm switches and three lower arm switches, as shown in fig. 6 and 7, the PWM _ UH, PWM _ VH, PWM _ WH, PWM _ UL, PWM _ VL and PWM _ WL are six PWM wave signals, wherein the PWM _ UH, PWM _ VH and PWM _ WH are three upper arm switches for controlling the IPM, and the PWM _ UL, PWM _ VL and PWM _ WL are three lower arm switches for controlling the IPM. And the brushless motor module sets the three lower arm switches to be at a low level according to the braking instruction to enable the three-phase stator winding of the brushless motor module to be in short circuit, so that the brushless motor module is braked and stopped. Brake instruction drive intelligent power module makes brushless motor's three-phase stator winding all by the short circuit to the realization is in the power generation state with brushless motor, because brushless motor winding's resistance is less, so the return circuit produces great electric current, brushless motor's kinetic energy can be released fast, thereby makes brushless motor instantaneously produce very big braking torque, can reach brushless motor fast stalling, reaches the effect of food preparation machine fast brake promptly.
As shown in fig. 2, the food processor includes a hall detection module, and the control unit obtains the rotation speed of the brushless motor in the brushless motor module through the hall detection module, and controls the brushless motor according to the rotation speed of the brushless motor.
The control unit acquires the rotating speed of the brushless motor in the brushless motor module through the Hall detection module, and when the rotating speed of the brushless motor is not greater than a preset value T1, the brushless motor is controlled by square waves; and when the rotating speed of the brushless motor is greater than a preset value T1, controlling the brushless motor by adopting a sine wave.
As shown in fig. 3 to 5, when the food processor is started, a large torque is required to provide a large power for starting, so that the square wave is adopted to control the brushless motor to start, when the motor is started, the square wave control is used to control the power density which is 15.4% higher than that of the sine start, the starting torque is also large, and the requirement that the starting torque is large is just met, when the wall breaking is required, the food processor can detect the real-time rotating speed of the brushless motor by using the hall detection module, when the rotating speed of the brushless motor is greater than a preset value T1, the value range of T1 is 1000rpm to 5000rpm, in the embodiment, T1=3000 rpm indicates that the brushless motor of the food processor operates basically stably, and no larger torque is required, at this time, the sine wave is adopted to control the brushless motor, the square wave control is switched to the sine wave control, the switching process is determined by , and the switching process is as shown in fig. 4, compared with the square wave.
Example two:
the main difference between this embodiment and embodiment is that this embodiment detects the open state of the lid of the blender cup through the lid opening detection module, and performs corresponding operations according to the open state.
In this embodiment, the brake protection module includes an uncovering detection module, and the food processor detects the open state of the cup cover of the stirring cup through the uncovering detection module, wherein the open state of the cup cover of the stirring cup includes an open state and a closed state.
During the operation of the food processor, the cup cover of the mixing cup may be opened due to the situations of improper installation or manual mistaken opening. The control unit in the embodiment of the application detects the opening state of the cup cover of the stirring cup in the working process of the food processor through the cover opening detection module and executes corresponding operation according to the opening state. The opening state comprises an opening state and a closing state, and when the control unit detects that the cup cover of the stirring cup is in the closing state, the control unit executes a working program for processing materials according to the original definition of the food processor; when the control unit detects that the cup cover of the stirring cup is in an open state, the situation that the cup cover and the cup body of the stirring cup are not installed in place possibly occurs in the working process of the food processor, and the motor in the food processor drives the crushing cutter assembly to rotate at a high speed, so that the situation that the cup cover and the cup body of the stirring cup are not installed in place possibly affects the safety of a user. In the embodiment, when the control unit detects that the cup cover of the stirring cup is in an open state, the control unit sends a braking instruction to the intelligent power module of the brushless motor module, so that the brushless motor is stopped rapidly, namely, the effect of rapid braking of the food processor is achieved.
Other structures and advantages of this embodiment are the same as those of embodiment , and are not described herein again.
Example three:
the main difference between this embodiment and the embodiments and the second embodiment is that the present embodiment obtains the power-on status of the food processor through the zero detection module, and performs the corresponding operation according to the power-on status of the food processor.
In the embodiment, the brake protection module comprises a zero-crossing detection module, the food processor obtains the power-on state of the food processor through the zero-crossing detection module, the power-on state comprises a conducting state and a disconnecting state, as shown in fig. 8, the zero-crossing detection module comprises an input end and an output end, the input end and the output end are isolated through an optical coupler, the input end of the zero-crossing detection module is provided with a unidirectional rectifier diode D1 and an optical coupler light-emitting diode U1, the output end of the zero-crossing detection module is provided with a phototriode for receiving a signal sent by a light-emitting diode U1, the optical coupler light-emitting diode U1 is conducted when the mains supply is in a positive half period during the work of the food processor, the phototriode receives the signal sent by a light-emitting diode U1, the phototriode is conducted, the output end of the zero-crossing detection module outputs a low level to the control unit, when the mains supply is in a negative half period, the optical coupler light-emitting diode U1 is not conducted, the phototriode does not receive the signal sent by the light-emitting diode U1, the phototriode is stopped, the output end of the phototriode outputs a high level to the control unit, thereby the output of the zero-crossing detection module outputs a pulse signal to the.
When the control unit detects that the power-on state of the food processor is a conduction state, the control unit executes a working program for processing the material according to the original specification of the food processor; when the control unit detects that the power-on state of the food processor is in the off state, the situation that the food processor cannot normally work due to the power failure of a power grid, the sudden lifting of a cup body or the fault of the machine and the like during the work of the food processor is described. When the control unit detects that the power-on state is the off state, the control unit sends a braking instruction to the intelligent power module of the brushless motor module, so that the brushless motor stops rapidly, and the effect of rapid braking of the food processor is achieved.
Other structures and advantages of this embodiment are the same as those of embodiment and embodiment, and are not described herein again.
Example four:
the main difference between this embodiment and the embodiments , two embodiments, and three embodiments is that this embodiment obtains the current value at the brushless motor module of the food processor through the current detection module, and performs the corresponding operation according to the current magnitude at the brushless motor module.
In this embodiment, the brake protection module includes a current detection module, the food processor obtains a current value at the brushless motor module through the current detection module, and when the brushless motor module of the food processor is in an abnormal operating state, the current value at the brushless motor module is too large or too small.
The food processor has no load and load working conditions when the food processor works normally, the no load and the load belong to the normal working state of the brushless motor, so that the working current at the brushless motor is in fixed range under the no load or the load, namely in a set range, but when the brushless motor is in a close condition such as stalling, the working current value of the brushless motor deviates from the range of the preset current value, therefore, the current value at the brushless motor module can be detected to detect whether the brushless motor of the food processor is in the normal working state, therefore, the food processor is provided with the current detection module, and the control unit can acquire the current value at the brushless motor module through the current detection module.
After acquiring the current value of the brushless motor module through the current detection module, the control unit compares the current value with a preset current value A1, and determines whether to send a braking instruction according to the comparison result. In the embodiment, 15A is not less than A1 is not less than 25A, when A1 is in the range, the control unit executes the working procedure of the food processor for processing the materials according to the original specification under the normal working state, and A1 is preferably 20A; when the current value at the brushless motor module is larger than the preset current value A1, indicating that the brushless motor is locked or close, the control unit sends a braking instruction to the intelligent power module of the brushless motor module, so that the brushless motor is stopped rapidly, and the effect of rapid braking of the food processor is achieved.
Other structures and advantages of this embodiment are the same as those of embodiment , embodiment two, and embodiment three, 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)
1, stable food preparation machine of control, include the frame, locate brushless motor module and control in the frame the control unit of brushless motor module, locate stirring cup on the frame, the stirring cup includes the cup and installs bowl cover on the cup, its characterized in that, food preparation machine still includes brake protection module, works as when brushless motor module is in operating condition, brake protection module acquires brake protection signal and will brake protection signal transmission sends control unit, control unit basis brake protection signal sends brake instruction to brushless motor module to make brushless motor module carry out protectiveness brake and shut down, brushless motor module includes brushless motor, brushless motor's rotational speed range is 10000rpm to 24000 rpm.
2. The food processor of claim 1, wherein the brake protection module comprises a zero-crossing detection module configured to detect a pulse signal, obtain an energization state of the food processor according to the pulse signal, the energization state comprising an on state and an off state, and issue a brake command when the energization state is the off state.
3. The food processor as claimed in claim 2, wherein the zero-crossing detection module comprises an optical coupler, wherein the th input end and the second input end of the optical coupler are connected with the mains supply, the th output end of the optical coupler is connected with the th direct-current power supply, the second output end of the optical coupler is grounded, and a low-pass filter is arranged between the th input end of the optical coupler and the second output end of the optical coupler.
4. The food processor of claim 1, wherein the brake protection module comprises a lid opening detection module configured to detect an open state of a lid of the blending cup, the open state comprising an open state and a closed state, and the control unit issues the brake command when the lid is in the open state.
5. The food processor of claim 1, wherein the brake protection module comprises a current detection module configured to obtain a current value at the brushless motor module, and the control unit issues the brake command when the current value is greater than a preset current value a 1.
6. A food processor as claimed in claim 5, characterized in that 15. ltoreq. A1. ltoreq.25.
7. The food processor of claim 1, wherein the brushless motor module includes a three-way upper arm switch and a three-way lower arm switch, and wherein the brushless motor module shorts the three-phase stator windings of the brushless motor module by placing the three-way lower arm switch low in response to the brake command to brake the brushless motor module to a shutdown.
8. The food processor of claim 7, wherein the three-way lower arm switch includes a transistor that is turned on when the three-way lower arm switch is low.
9. The food processor of claim 1, further comprising a hall detection module, wherein the control unit obtains the rotation speed of the brushless motor in the brushless motor module through the hall detection module, and controls the brushless motor with square waves when the rotation speed of the brushless motor is not greater than a preset value T1; and when the rotating speed of the brushless motor is greater than a preset value T1, controlling the brushless motor by adopting a sine wave.
10. The food processor of claim 9, wherein T1 is 1000rpm ≦ T1 ≦ 5000 rpm.
Priority Applications (1)
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|---|---|---|---|
| CN201920287430.4U CN209996115U (en) | 2019-03-07 | 2019-03-07 | food processor with stable control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920287430.4U CN209996115U (en) | 2019-03-07 | 2019-03-07 | food processor with stable control |
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| CN209996115U true CN209996115U (en) | 2020-01-31 |
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| GR01 | Patent grant |