CN214045488U - Motor control circuit and cooking machine - Google Patents
Motor control circuit and cooking machine Download PDFInfo
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- CN214045488U CN214045488U CN202023338427.2U CN202023338427U CN214045488U CN 214045488 U CN214045488 U CN 214045488U CN 202023338427 U CN202023338427 U CN 202023338427U CN 214045488 U CN214045488 U CN 214045488U
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- motor
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- 238000010411 cooking Methods 0.000 title abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 57
- 239000010703 silicon Substances 0.000 claims abstract description 57
- 235000013305 food Nutrition 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 55
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 description 20
- 101150105073 SCR1 gene Proteins 0.000 description 20
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 description 20
- 101000668165 Homo sapiens RNA-binding motif, single-stranded-interacting protein 1 Proteins 0.000 description 16
- 102100039692 RNA-binding motif, single-stranded-interacting protein 1 Human genes 0.000 description 16
- 238000010586 diagram Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 244000068988 Glycine max Species 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Images
Abstract
The application provides a motor control circuit and cooking machine. The motor control circuit comprises a thyristor circuit and a controller. The silicon controlled rectifier circuit includes first silicon controlled rectifier and second silicon controlled rectifier, and first silicon controlled rectifier includes first utmost point, second utmost point and first control electrode, and the second silicon controlled rectifier includes third utmost point, fourth pole and second control electrode, and the first utmost point and the second utmost point of first silicon controlled rectifier, establish ties with the third utmost point and the fourth pole of second silicon controlled rectifier, and establish ties with the motor. The controller comprises a control end, a first control electrode of the first controllable silicon and a second control electrode of the second controllable silicon are electrically connected to the same control end, and the controller controls the first controllable silicon and the second controllable silicon through the same control end. This application is through so setting up for the same control end of controller can control first silicon controlled rectifier and second silicon controlled rectifier and switch on simultaneously or turn-off simultaneously, and overall circuit stability is good.
Description
Technical Field
The application relates to the field of small household appliances, in particular to a motor control circuit and a food processor.
Background
With the increasing living standard of people, many different types of food processors appear on the market. The functions of the food processor mainly include, but are not limited to, functions of making soybean milk, squeezing fruit juice, making rice paste, mincing meat, shaving ice, making coffee and/or blending facial masks and the like. The food processor can comprise a soybean milk machine, a stirrer or a wall breaking food processor and other machines for crushing and stirring food materials.
In the correlation technique, the controller of cooking machine controls first silicon controlled rectifier and second silicon controlled rectifier driving motor, and the control end that the first silicon controlled rectifier of controller control and second silicon controlled rectifier is inequality, leads to first silicon controlled rectifier and second silicon controlled rectifier can not switch on or turn off simultaneously. Due to the asymmetry of the thyristors, if the first thyristor and the second thyristor cannot be turned on or off simultaneously, the stability of the whole circuit is poor.
SUMMERY OF THE UTILITY MODEL
The application provides a motor control circuit aiming at improving circuit stability.
The application provides a motor control circuit, wherein includes:
the controllable silicon circuit comprises a first controllable silicon and a second controllable silicon, wherein the first controllable silicon comprises a first pole, a second pole and a first control pole, the second controllable silicon comprises a third pole, a fourth pole and a second control pole, and the first pole and the second pole of the first controllable silicon are connected in series with the third pole and the fourth pole of the second controllable silicon and are connected in series with the motor; and
the controller comprises a control end, the first control electrode of the first controllable silicon and the second control electrode of the second controllable silicon are electrically connected to the same control end, and the controller controls the first controllable silicon and the second controllable silicon through the same control end.
The motor control circuit provided by the application comprises a thyristor circuit and a controller. The thyristor circuit comprises a first thyristor and a second thyristor, the first thyristor comprises a first control electrode, and the second thyristor comprises a second control electrode. The controller comprises a control end, the first control electrode and the second control electrode are electrically connected to the same control end, and the controller controls the first controllable silicon and the second controllable silicon through the control end. Therefore, the first silicon controlled rectifier and the second silicon controlled rectifier can be controlled to be simultaneously connected or disconnected through the same control end of the controller, and the stability of the whole circuit is good.
Optionally, the control end includes a first control end and a second control end, the motor control circuit further includes a control sub-circuit, the control sub-circuit includes a first control sub-circuit and a second control sub-circuit, the first control sub-circuit is electrically connected to the thyristor circuit and the first control end of the controller, and the second control sub-circuit is electrically connected to the thyristor circuit and the second control end of the controller; the first control electrode of the first controllable silicon and the second control electrode of the second controllable silicon are electrically connected to the first control end through the first control sub-circuit and are electrically connected to the second control end through the second control sub-circuit. In some embodiments, the first control sub-circuit and the second control sub-circuit control the thyristor circuit, and when any one of the first control sub-circuit and the second control sub-circuit fails, the thyristor circuit is not conducted, and the safety is high.
Optionally, the first control sub-circuit and the second control sub-circuit are connected in series. In some embodiments, completeness is improved.
Optionally, the first control sub-circuit includes a first triode, and the first triode is electrically connected to the thyristor circuit and the first control end of the controller. In some embodiments, the controller can control the thyristor circuit by controlling the first triode, and the circuit is simple and low in cost.
Optionally, a collector of the first triode is electrically connected to the first control electrode of the first thyristor and the second control electrode of the second thyristor, a base of the first triode is electrically connected to the first control terminal, and an emitter of the first triode is electrically connected to the second control sub-circuit.
Optionally, the second control sub-circuit includes a second triode, and the second triode is electrically connected to the thyristor circuit and the second control terminal. In some embodiments, the controller can control the thyristor circuit by controlling the second triode, and the circuit is simple and low in cost.
Optionally, a collector of the second triode is electrically connected to the first control sub-circuit, a base of the second triode is electrically connected to the second control terminal, and an emitter of the second triode is grounded.
Optionally, the motor control circuit further includes at least one resistor electrically connected between the thyristor circuit and the control sub-circuit, and the first control electrode of the first thyristor and the second control electrode of the second thyristor are both electrically connected to the control sub-circuit through the resistor.
The application also provides a cooking machine, including:
a motor; and
the motor control circuit of any one of the above claims, wherein the motor is electrically connected to the motor control circuit.
Optionally, the cooking machine includes the cup, assembles extremely the cup of cup with locate stirring knife tackle spare in the cup, stirring knife tackle spare includes the arbor, the motor is located in the cup, the pivot of motor with the arbor is connected. In some embodiments, the pivot lug connection arbor of motor for cooking machine height is low, thereby can vibration/noise reduction.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural diagram of an embodiment of a food processor of the present application;
FIG. 2 is a top view of the food processor shown in FIG. 1 with the lid open;
FIG. 3 is a functional block diagram of one embodiment of a motor control circuit of the present application;
FIG. 4 is a partial circuit diagram of one embodiment of a motor control circuit of the present application;
fig. 5 is a partial circuit diagram of one embodiment of a motor control circuit of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The motor control circuit provided by the application comprises a thyristor circuit and a controller. The silicon controlled rectifier circuit includes first silicon controlled rectifier and second silicon controlled rectifier, and first silicon controlled rectifier includes first utmost point, second utmost point and first control electrode, and the second silicon controlled rectifier includes third utmost point, fourth pole and second control electrode, and the first utmost point and the second utmost point of first silicon controlled rectifier, establish ties with the third utmost point and the fourth pole of second silicon controlled rectifier, and establish ties with the motor. The controller comprises a control end, a first control electrode of the first controllable silicon and a second control electrode of the second controllable silicon are electrically connected to the same control end, and the controller controls the first controllable silicon and the second controllable silicon through the same control end. Therefore, the first silicon controlled rectifier and the second silicon controlled rectifier can be controlled to be simultaneously connected or disconnected through the same control end of the controller, and the stability of the whole circuit is good.
Fig. 1 is a schematic structural diagram of a food processor 1 provided in the present application. In some embodiments, the food processor 1 includes a cup holder 10, a cup body 11 assembled to the cup holder 10, and a stirring blade assembly 12 disposed within the cup body 11. The food processor 1 further comprises a cup cover 14 which can be covered on the cup body 11. Fig. 2 is a top view of food processor 1 provided by the present application after cup lid 14 is opened. Referring to fig. 1 and 2, the stirring blade assembly 12 includes a blade shaft 120, the motor 3 is disposed in the cup holder 10, and a rotating shaft 13 of the motor 3 is connected to the blade shaft 120. The cup body 11 is mounted on the cup holder 10. When the motor 3 rotates, the stirring knife assembly 12 is driven to rotate, so that the stirring knife assembly 12 can fully stir or crush food materials in the cup body 11. The pivot 13 direct connection arbor 120 of motor 3 for cooking machine 1 is high low, thereby can vibration/noise reduction.
Fig. 3 is a schematic block diagram of the motor control circuit 2 provided in the present application. Food processor 1 includes motor 3 and motor control circuit 2, and 3 electric connections of motor are connected motor control circuit 2. Fig. 4 is a partial circuit diagram of the motor control circuit 2. Fig. 5 is another circuit diagram of a part of the motor control circuit 2. Referring to fig. 3, 4, and 5, in some embodiments, motor control circuit 2 includes a thyristor circuit 20, thyristor circuit 20 includes a first thyristor SCR1 and a second thyristor SCR2, first thyristor SCR1 includes a first pole T1, a second pole T2, and a first control pole G1, second thyristor SCR2 includes a third pole T3, a fourth pole T4, and a second control pole G2, and first pole T1 and second pole T2 of first thyristor SCR1 are in series with third pole T3 and fourth pole T4 of second thyristor SCR2 and in series with motor 3. The first SCR1 is connected in series with the second SCR2 and in series with the motor 3, so that the operating state of the motor 3 is controlled by the first SCR1 and the second SCR 2.
The controller 21 includes a control terminal 210, a first control electrode G1 of the first SCR1 and a second control electrode G2 of the second SCR2 are electrically connected to the same control terminal 210, and the controller 21 controls the first SCR1 and the second SCR2 through the same control terminal 210. The same control terminal 210 of the controller 21 can control the first SCR1 and the second SCR2 to be turned on or off simultaneously, so that the stability of the whole circuit is good. The control terminal 210 may be one or more. The first control electrode G1 of the first SCR1 and the second control electrode G2 of the second SCR2 are shorted and connected to the same control terminal 210 or both connected to the same control terminals 210.
In some embodiments, the control terminal 210 includes a first control terminal m1 and a second control terminal m2, the motor control circuit 2 further includes a control sub-circuit 22, the control sub-circuit 22 includes a first control sub-circuit 220 and a second control sub-circuit 221, the first control sub-circuit 220 is electrically connected to the thyristor circuit 20 and the first control terminal m1 of the controller 21, and the second control sub-circuit 221 is electrically connected to the thyristor circuit 20 and the second control terminal m2 of the controller 21. The control terminal 210 includes a first control terminal m1 and a second control terminal m2, and the control sub-circuit 22 includes a first control sub-circuit 220 and a second control sub-circuit 221, wherein the first control terminal m1 controls the first control sub-circuit 220 to be turned on or off, and the second control terminal m2 controls the second control sub-circuit 221 to be turned on or off.
The first control electrode G1 of the first SCR1 and the second control electrode G2 of the second SCR2 are electrically connected to the first control terminal m1 through the first control sub-circuit 220, and are electrically connected to the second control terminal m2 through the second control sub-circuit 221. First control pole G1 and second control pole G2 all connect first control end 220 and second control end 221, and first control end m1 and second control end m2 can all control first silicon controlled rectifier SCR1 and second silicon controlled rectifier SCR1 simultaneously for whole circuit stability is good, can satisfy the ann rule requirement. When any one of the first control sub-circuit 220 and the second control sub-circuit 221 fails, the thyristor circuit 20 cannot operate, thereby improving safety.
In some embodiments, the first control sub-circuit 220 and the second control sub-circuit 221 are connected in series, and when any one of the first control sub-circuit 220 and the second control sub-circuit 221 fails, the thyristor circuit 20 cannot work, so that the overall circuit stability is good and the safety requirements can be met.
In some embodiments, the first control sub-circuit 220 includes a first transistor Q1, and the first transistor Q1 is electrically connected to the thyristor circuit 20 and the first control terminal m1 of the controller 21. The controller 21 can control the on or off of the thyristor circuit 20 by controlling the first triode Q1, and the first triode Q1 has a switching function, so that the circuit is simple and low in cost.
In some embodiments, the second control sub-circuit 221 includes a second transistor Q2, and the second transistor Q2 is electrically connected to the thyristor circuit 20 and the second control terminal m 2. The controller 21 can control the on or off of the thyristor circuit 20 by controlling the second triode Q2, and the second triode Q2 also has a switching function, so that the circuit is simple and low in cost.
In some embodiments, a collector of the first transistor Q1 is electrically connected to the first control electrode G1 of the first SCR1 and the second control electrode G2 of the second SCR2, a base of the first transistor Q1 is electrically connected to the first control terminal m1, and an emitter of the first transistor Q1 is electrically connected to the second control sub-circuit 221. The first triode Q1 is controlled to be conducted through the first control end m1, and then the first triode Q1 can control the first control electrode G1 and the second control electrode G2 at the same time to control the first silicon controlled rectifier SCR1 and the second silicon controlled rectifier SCR2 at the same time, so that the stability of the whole circuit is good.
In some embodiments, the collector of the second transistor Q2 is electrically connected to the first control sub-circuit 220, the base of the second transistor Q2 is electrically connected to the second control terminal m2, and the emitter of the second transistor Q2 is grounded to GND. The second triode Q2 is controlled to be conducted through the second control end m2, and then the second triode Q2 can control the first control electrode G1 and the second control electrode G2 at the same time to control the first silicon controlled rectifier SCR1 and the second silicon controlled rectifier SCR2 at the same time, so that the stability of the whole circuit is good.
In some embodiments, the motor control circuit 2 further includes at least one resistor electrically connected between the thyristor circuit 20 and the control sub-circuit 22, and the first control electrode G1 of the first thyristor SCR1 and the second control electrode G2 of the second thyristor SCR2 are both electrically connected to the control sub-circuit 22 through resistors. By connecting resistors in series between the thyristor circuit 20 and the control sub-circuit 22, the problem that the control sub-circuit 22 outputs excessive current to the thyristor circuit 20 to burn out a circuit wire can be avoided, and the resistors play a role of protecting the circuit. In some embodiments, the resistors may include resistors R1, R2, and R3.
In some embodiments, the motor control circuit 2 includes a first resistor R4 and a second resistor R5, the first resistor R4 is connected between a first gate G1 of the first SCR1 and a first pole T1 of the first SCR1, and the second resistor R5 is connected between a second gate G2 of the second SCR2 and a third pole T3 of the second SCR 2. The first resistor R4 is arranged to prevent the first control electrode G1 of the first SCR1 from being triggered mistakenly, so that the anti-jamming capability of the first SCR1 is improved, and the second resistor R5 is arranged to prevent the second control electrode G2 of the second SCR2 from being triggered mistakenly, so that the anti-jamming capability of the second SCR2 is improved.
In some embodiments, the motor control circuit 2 includes a third resistor R6 and a capacitor C, and the third resistor R6 is connected in series with the capacitor C and in parallel with the thyristor circuit 20. The third resistor R3 and the capacitor C can improve the voltage endured at the turn-on and turn-off time of the thyristor circuit 20, thereby protecting the thyristor circuit 20.
In some embodiments, the food processor 1 further includes a power circuit 23, a voltage detection circuit 24, and a zero-crossing detection circuit 25. A power circuit 23 (shown in fig. 5) is electrically connected to the controller 21 for converting a power supply voltage to an operating voltage suitable for the controller 21. The voltage detection circuit 24 is electrically connected to the controller 21 for detecting the voltage of the motor 3. The zero-crossing detection circuit 25 is electrically connected to the controller 21 and is configured to detect a zero-crossing point of the alternating current power source.
The technical solutions disclosed in the embodiments of the present application can complement each other without generating conflicts.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A motor control circuit, comprising:
a thyristor circuit (20) comprising a first thyristor and a second thyristor, the first thyristor comprising a first pole, a second pole and a first control pole, the second thyristor comprising a third pole, a fourth pole and a second control pole, and the first pole and the second pole of the first thyristor, in series with the third pole and the fourth pole of the second thyristor, and in series with a motor (3); and
a controller (21) comprising a control terminal (210), the first control electrode of the first thyristor and the second control electrode of the second thyristor being electrically connected to the same control terminal (210), the controller (21) controlling the first thyristor and the second thyristor through the same control terminal (210).
2. The motor control circuit according to claim 1, wherein the control terminal (210) comprises a first control terminal and a second control terminal, the motor control circuit further comprises a control sub-circuit (22), the control sub-circuit (22) comprises a first control sub-circuit (220) and a second control sub-circuit (221), the first control sub-circuit (220) is electrically connected to the thyristor circuit (20) and the first control terminal of the controller (21), the second control sub-circuit (221) is electrically connected to the thyristor circuit (20) and the second control terminal of the controller (21); the first control electrode of the first controllable silicon and the second control electrode of the second controllable silicon are electrically connected to the first control end through the first control sub-circuit (220), and are electrically connected to the second control end through the second control sub-circuit (221).
3. The motor control circuit according to claim 2, characterized in that the first control sub-circuit (220) and the second control sub-circuit (221) are connected in series.
4. A motor control circuit according to claim 2 or 3, wherein the first control sub-circuit (220) comprises a first transistor electrically connected to the thyristor circuit (20) and the first control terminal of the controller (21).
5. The motor control circuit of claim 4, wherein a collector of the first transistor is electrically connected to the first control terminal of the first thyristor and the second control terminal of the second thyristor, a base of the first transistor is electrically connected to the first control terminal, and an emitter of the first transistor is electrically connected to the second control sub-circuit (221).
6. A motor control circuit according to claim 2 or 3, wherein the second control sub-circuit (221) comprises a second transistor electrically connected to the thyristor circuit (20) and the second control terminal.
7. The motor control circuit of claim 6, wherein a collector of the second transistor is electrically connected to the first control sub-circuit (220), a base of the second transistor is electrically connected to the second control terminal, and an emitter of the second transistor is grounded.
8. The motor control circuit of claim 2, further comprising at least one resistor electrically connected between the thyristor circuit (20) and the control sub-circuit (22), the first control pole of the first thyristor and the second control pole of the second thyristor each being electrically connected to the control sub-circuit (22) through the resistor.
9. A food processor, comprising:
a motor (3); and
the motor control circuit according to any one of claims 1 to 8, the motor (3) being electrically connected to the motor control circuit.
10. The food processor according to claim 9, wherein the food processor comprises a cup holder (10), a cup body (11) assembled to the cup holder (10) and a stirring knife assembly (12) arranged in the cup body (11), the stirring knife assembly (12) comprises a knife shaft (120), the motor (3) is arranged in the cup holder (10), and a rotating shaft (13) of the motor (3) is connected with the knife shaft (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023338427.2U CN214045488U (en) | 2020-12-31 | 2020-12-31 | Motor control circuit and cooking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023338427.2U CN214045488U (en) | 2020-12-31 | 2020-12-31 | Motor control circuit and cooking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214045488U true CN214045488U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023338427.2U Active CN214045488U (en) | 2020-12-31 | 2020-12-31 | Motor control circuit and cooking machine |
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| Country | Link |
|---|---|
| CN (1) | CN214045488U (en) |
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- 2020-12-31 CN CN202023338427.2U patent/CN214045488U/en active Active
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