CN114115007A - Gear control method and circuit of electric appliance - Google Patents
Gear control method and circuit of electric appliance Download PDFInfo
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- CN114115007A CN114115007A CN202111361884.XA CN202111361884A CN114115007A CN 114115007 A CN114115007 A CN 114115007A CN 202111361884 A CN202111361884 A CN 202111361884A CN 114115007 A CN114115007 A CN 114115007A
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- 230000007935 neutral effect Effects 0.000 claims description 3
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- 238000003756 stirring Methods 0.000 description 7
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
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- G05B2219/25257—Microcontroller
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Abstract
The invention discloses a gear control method and a gear control circuit of an electric appliance, wherein the electric appliance is provided with at least two gears, the higher the gear is, the higher the corresponding output power of the electric appliance is, the pressing stroke of a switch key is detected, the running gear of the electric appliance is controlled according to the length of the pressing stroke of the switch key, and the longer the pressing stroke of the switch key is, the higher the running gear of the electric appliance is. This application can control the electrical apparatus through a button and move with a plurality of gears, along with the grow of the degree of pressure, the switch alright with the output power grow of controlling the electrical apparatus, the electrical apparatus of this switch has been used in the middle of, the user alright with the operation and the shutdown of electrical apparatus are controlled to the one hand, the gear of electrical apparatus can also be adjusted to the one hand, another hand that so liberate can be with other devices of convenience of customers's operation, the whole operation is very convenient, the security has also obtained very big promotion simultaneously.
Description
Technical Field
The invention relates to the technical field of gear switches, in particular to a gear control method and a gear control circuit of an electric appliance for an electric kitchen appliance.
Background
Along with the development of science and technology, the convenience of life of people is greatly improved, particularly in the field of electric kitchen appliances, various abundant appliances are greatly convenient for daily life of people, but the field of the current kitchen appliances still has various defects. In the existing handheld stirring rod in the market, the switch keys of the existing handheld stirring rod are generally provided with two switch keys or one switch key and one rotating speed adjusting button, when the handheld stirring rod is used, two fingers are required to be respectively pressed on different switch keys to adjust the rotating speed, one finger is bound to leave the key during working, and therefore the gripping force of the gripper is bound to be influenced; for the hand-held stirring rod with one switch button and the rotating speed adjusting button, the body can be tightly held by the hand, but when the speed is adjusted, the rotating speed adjusting button needs to be rotated by the other hand, so that the food processing container is not stably held by the hand, and the stability of the food processing container is also influenced.
Disclosure of Invention
The invention provides a gear control method and circuit of an electric appliance, and solves the technical problem that operation is inconvenient when a switch key is used for adjusting gears in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a gear control circuit of an electric appliance comprises an alternating current input interface, a filtering module, a gear switching module and a rectifying module which are sequentially and electrically connected, wherein the rectifying module is electrically connected with the input end and the output end of a motor of the electric appliance; the gear switching module comprises a switch S1 and a switch S2 which are connected in parallel between the filtering module and the rectifying module, the switch S2 is connected with a diode D1 in series, when the switch S2 is closed, the electric appliance operates in a first gear, when the switches S1 and S2 are both closed, the electric appliance operates in a second gear, and the output power of the electric appliance in the first gear is smaller than the output power operating in the second gear.
Furthermore, an inductor is respectively connected in series on the input end and the output end of the motor.
Further, the rectifier module is a rectifier bridge stack.
Further, exchange input port and include live wire and zero line, gear control circuit still includes: the fuse is connected in series with the live wire, the piezoresistor with two ends respectively electrically connected with the live wire and the zero line, and the thermistor is connected in series with the zero line.
A gear control method of an electric appliance, wherein the electric appliance comprises at least two gears, each gear corresponds to a fixed electric appliance output power, and the gear control method comprises the following steps: detecting the pressing stroke of a switch key, wherein when the switch key is pressed to a first stroke position, a switch S2 is closed, the electric appliance starts to operate at a first gear, and the switch key is continuously pressed until the electric appliance operates at the first gear before the switch key is pressed to a second stroke position; when the switch key is continuously pressed to the second stroke position, the electric appliance is switched to a second gear to operate, and the output power of the electric appliance at the second gear is greater than that of the electric appliance at the first gear.
Further, when the switch key is in the initial position, the electric appliance does not work.
Furthermore, the electric appliance runs in a first gear, and when the switch key is released, the switch key is automatically reset to the initial position.
Furthermore, the electric appliance operates in a second gear, when the switch key is loosened, the switch key is reset to the first stroke position firstly, the electric appliance is switched to the first gear to operate, the switch key continues to be loosened, and the switch key is automatically reset to the initial position.
Has the advantages that: compared with the prior art, this application can control the electrical apparatus through a button and move with a plurality of gears, along with the grow of pressing the pressure degree, the switch alright in order to control the output power grow of electrical apparatus, the electrical apparatus (for example handheld stirring rod) of having applied this switch is in the middle of using, the user alright in order to the operation and the shut-down of one-hand control electrical apparatus, can also one-hand adjust the gear of electrical apparatus, another hand that so liberate alright in order to convenience of customers's operation other device, the whole operation is very convenient, the security has also obtained very big promotion simultaneously.
Drawings
Fig. 1 is a schematic cross-sectional view of a one-key multi-position switch according to the present invention before being pressed.
Fig. 2 is a schematic cross-sectional view of a one-key multi-position switch in a low position according to the present invention.
Fig. 3 is a schematic cross-sectional view of a one-key multi-position switch in the high position of the present invention.
Fig. 4 is a structural diagram of a shift position control circuit in the present invention.
Wherein, the main reference signs in the invention are:
1. a PCB board; 2. pressing the keycap; 3. a first travel switch assembly; 31. a first gear contact; 32. a first contact; 33. a first elastic member; 34. a first column; 35. a first pressure lever; 4. a second travel switch assembly; 41. a second gear contact; 42. a second contact; 43. a second elastic member; 44. a second cylinder; 45. a second compression bar; 451. an eave portion; 6. a protrusion; 101. a live line; 102. a zero line; 103. a fuse; 104. a voltage dependent resistor; 105. a thermistor; 7. a rectification module; 8. an electric motor.
Detailed Description
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention provides a gear control method of an electric appliance, which mainly controls the on and off of the electric appliance by pressing a switch key, and can adjust the gear of the electric appliance by pressing a switch, wherein the electric appliance is correspondingly provided with at least two gears, the gear corresponds to the output power of the electric appliance, and under the general condition, the higher the gear is, the higher the output power of the electric appliance is; the gear control method comprises the following steps: when the switch key is at the initial position, the electric appliance is in a state of stopping operation, when the switch key is pressed at the beginning, the pressing stroke of the switch key is firstly detected, the operation gear of the electric appliance is controlled according to the length of the pressing stroke of the switch key, and the longer the pressing stroke of the electric appliance is, the higher the operation gear of the electric appliance is, so that a user can operate the electric appliance with one hand conveniently, the electric appliance can be controlled to start and operate only by pressing the key with one hand, the operation gear of the electric appliance is synchronously controlled by means of the pressing stroke of the switch key, the stronger the pressing stroke of the switch key is, the longer the pressing stroke of the switch key is, the larger the corresponding operation gear of the electric appliance is, the output power of the electric appliance is always from low to high when the switch key is pressed in the process of actually using the electric appliance, and the design of the gears can realize the level adjustment of the output power of the electric appliance, the running power of the electric appliance can be increased in a stepped manner, the situation that the electric appliance runs suddenly at high power due to overlarge force of pressing a switch key by a user is avoided, and further the inconvenience or even the potential safety hazard caused by the user when the electric appliance runs suddenly at high power is avoided.
Furthermore, the electrical apparatus in this embodiment contains two fender position altogether, is first fender position and second fender position respectively, and first fender position is less than the second fender position, and the specific control mode of switch button in this application does: when the switch key is at the initial position, the electric appliance does not work; when the switch key is pressed, the switch key is pressed to move downwards, the electric appliance starts to operate at a first gear when the switch key is pressed to move downwards to a first stroke position, and at the moment, if the switch key is pressed continuously, the electric appliance always operates at the first gear before the switch key reaches a second stroke position, so that a user can conveniently master the output power of the electric appliance, the user can accurately pre-judge the current working state of the electric appliance, the labor efficiency of the user is improved, and the unexpected situation of the user due to the fact that the pressing pressure degree is difficult to keep at the same level in the using process of the user is avoided; meanwhile, when the user loosens the switch key, the switch key can be elastically reset to the initial position, and the electric appliance stops running at the moment.
If the user continues to press the switch key, the electric appliance is switched to the second gear to operate when the switch key continues to descend to the second stroke position, and correspondingly, the pole of the switch key is pressed down when the second forming position is also formed, namely when the switch key is pressed down to the second stroke position, the switch key cannot continue to descend, and the user can easily control the operating power of the electric appliance to be in the second gear; when a user slightly looses the switch key, the switch key can automatically and elastically reset, and in the process of resetting the switch key, the user can keep the position of the switch key between the first stroke position and the second forming position, or the switch key is positioned at the first stroke position, so that in the controllable range, the electric appliance can be switched to the first gear for operation, and when the user wants the electric appliance to stop operating, the user only needs to completely loosen the switch key, the switch key can automatically reset to the initial position, and the motor can stop operating.
The utility model provides a keep off position control method of electrical apparatus, can provide better fender position regulation to domestic appliance, especially to domestic appliance of a kind of hand-held stirring rod, the user can one-hand control electrical apparatus's switch and fender position, because the switch button is through elasticity press control, therefore such mode of adjusting fender position does not need too big action range, the user one-hand control that can be fine keeps off opening and stopping of position and electrical apparatus, the liberation another hand can carry out the auxiliary labor again, the convenience and the security of user's use have been promoted, the mode of regulation is very simple and convenient and practical.
Further, the present application also proposes a switch with one key and multiple gears, as shown in fig. 1 to 3, the switch proposed by the present application mainly comprises four parts: PCB board 1, press key cap 2, first travel switch subassembly 3 and second travel switch subassembly 4.
Wherein, the first travel switch assembly 3 comprises a first gear contact 31, a first contact 32 and a first elastic member 33; the first gear contact 31 is arranged on the PCB 1, the first contact 32 is arranged on the press key cap 2, the first elastic piece 33 is arranged between the press key cap 2 and the PCB 1, when a person manually presses down the press key cap 2, the first contact 32 is in contact conduction with the first gear contact 31, the control motor on the PCB 1 operates at a first gear (low gear), when the control motor is released, the press key cap 2 is bounced off by the first elastic piece 33, the first contact 32 is separated from the first gear contact 31, and the motor stops operating; the second travel switch assembly 4 includes a second position contact 41, a second contact 42 and a second elastic member 43, the second position contact 41 is disposed on the PCB board 1, the second contact 42 is disposed on the pressing key cap 2, and the second elastic member 43 is disposed between the second contact 42 and the first contact 32, and the first travel switch assembly 3 is formed smaller than the second forming switch assembly, such that when a person manually presses the pressing key cap 2, the first contact 32 is first in contact with the first position contact 31, and after the first contact 32 is in contact with the first position contact 31, the second elastic member 43 disposed between the second contact 42 and the first contact 32 is compressed, the second contact 42 continues to move downwards until the second contact 42 is in contact with the second position contact 41, and the first travel switch and the second travel switch are both in contact conduction, the PCB 1 controls the motor to operate at a second gear (high gear) according to a built-in circuit, when the motor is released, the second contact 42 is separated from the second gear contact 41, the motor can continue to operate at a low gear, and the motor can not be completely stopped until the first contact 32 is separated from the first gear contact.
The application has the advantages that: can control the electrical apparatus through a button and move with a plurality of gears, along with the grow of pressing the pressure degree, the switch alright with the output power grow of controlling the electrical apparatus, the electrical apparatus (for example handheld stirring rod) of having applied this switch is in the middle of using, the user alright with the operation and the shut-down of electrical apparatus are controlled to the one hand, can also adjust the gear of electrical apparatus by the one hand, another hand that so liberate alright other devices of convenient to use user's operation, the whole operation is very convenient, the security has also obtained very big promotion simultaneously.
Further, in an embodiment, the first cylinder 34 and the second cylinder 44 are protruded on the PCB 1, the first position contact 31 is disposed at the protruded end of the first cylinder 34, and the second position contact 41 is disposed at the protruded end of the second cylinder 44, such a configuration gives a certain downward margin to the press key cap 2, which ensures good contact between each contact and the position contact, thereby ensuring the stability of the output of the electrical appliance and improving the user experience.
Of course, in other embodiments, the first shift contact 31 and the second shift contact 41 may be directly disposed on the surface of the PCB board 1.
Further, the first contact 32 in this application is arranged on the first pressing rod 35, and the first pressing rod 35 is installed on the pressing keycap 2 in a detachable manner, the first pressing rod 35 is installed in the pressing keycap 2, a convex block is arranged in the radial direction of the first pressing rod 35, and the block is the first contact 32, so that the manufacturing difficulty of the product is reduced, compared with the integrally formed mode, the cost is lower due to the mode, the assembling is good, the first pressing rod 35 can act as a stress more, the stress of the first contact 32 is not needed, and the service life of the product is ensured.
Wherein, first depression bar 35 in this application is located between first cylinder 34 and the second cylinder 44, and such setting for first cylinder 34 and second cylinder 44 can also possess spacing effect, and it rocks to place first depression bar 35 and take place at the in-process that pushes down.
Furthermore, a second pressure lever 45 is further arranged in the application, a second contact 42 protruding from the second pressure lever 45 is arranged in the radial direction of the second pressure lever 45, an eaves portion 451 is arranged at the upper end of the second pressure lever 45, the eaves portion 451 is fixedly connected with the upper end of the inside of the pressing keycap 2, and the second elastic piece 43 is arranged between the eaves portion 451 and the first pressure lever 35, so that the second contact 42 can be pressed down continuously when the contact cannot be pressed down continuously, meanwhile, the second pressure lever 45 can serve as a stress more, the stress of the second contact 42 is not needed, and the service life of the product is guaranteed.
Based on the above arrangement mode, in order to facilitate the reasonable size of the control switch, the pressing action can be stably carried out, the false triggering is avoided, and the first pressing rod 35 and the second pressing rod 45 are coaxially arranged.
Furthermore, in a preferred embodiment, the second pressing rod 45 is provided as a hollow structure, the lower end (the end opposite to the brim 451) of the second pressing rod 45 is provided with an opening, and the sidewall of the second pressing rod 45 is provided with a receding groove, the receding groove has a length, the length direction of the receding groove is consistent and extends from the brim 451 of the second pressing rod 45 to the opening, the first pressing rod 35 is provided inside the second pressing rod 45, and the first contact 32 extends out from the receding groove, so that the overall length of the switch can be effectively shortened, the second pressing rod 45 can provide an installation position for the first pressing rod 35, the first pressing rod 35 and the second pressing rod 45 are ensured not to shake when pressed down, and the relative movement between the first pressing rod 35 and the second pressing rod 45 can be ensured, the design mode and the structure are reasonable, and various functions required by the present application can be realized by a relatively simple structure, has the requirements of both cost and function.
Preferably, the first elastic member 33 is a first spring, and the second elastic member 43 is provided as a second spring.
First spring housing is established on first depression bar 35, and first spring butt is between the tip of second depression bar 45 and PCB board 1 for holistic overall arrangement is more reasonable, and first spring both can not the atress uneven when receiving elastic compression, also can not take place to rock, guarantees the result of use.
In addition, in the present application, in order to avoid the problem of false triggering caused by too close proximity between the first gear contact 31 and the second gear contact 41, the first gear contact 31 and the second gear contact 41 are oppositely arranged, and correspondingly, the second contact 42 and the first contact 32 are also convexly arranged in opposite directions, so that the uniform stress of the switch depression can be ensured, and the false touch cannot occur.
The second spring of this application then directly sets up between first contact 32 and the eaves portion 451 of second depression bar 45, for the stability of better assurance second spring, has set up a pair of arch 6 relatively here on first contact 32 and eaves portion 451, and the second spring cover is on arch 6, and arch 6 can play a spacing effect to the second spring, prevents that the second spring atress from dislocating. 5. The gear control method according to claim 4, wherein the electrical appliance is switched to the second gear operation when the switch button is continuously pressed to the second stroke position.
Furthermore, this application has still provided a gear control circuit of electrical apparatus, as shown in fig. 4, this circuit has alternating current input interface, the filtering module, keep off position switching module and rectifier module 7, alternating current input interface and alternating current power supply switch-on, the filtering module is used for filtering the alternating current, restrain the fluctuation of alternating current, the filtering module is connected to the one end that keeps off position switching module, rectifier module 7 is connected to the other end, rectifier module 7 is connected with the motor 8 electricity of electrical apparatus, the input and the output of motor 8 all are connected with this rectifier module 7 electricity, this circuit can be stable provides the direct current to motor 8, and can stably control the output of motor 8 through keeping off position switching module.
In addition, an inductor is respectively connected in series to the input end and the output end of the motor 8, and the interference of electromagnetic waves can be effectively inhibited through the effect of the inductors, so that the motor 8 can stably operate.
The filtering module comprises a resistor R1 and a capacitor C1, the resistor R1 and the capacitor C1 are connected between the live wire 101 and the neutral wire 102, filtering can be effectively achieved through the effect of the resistor R1 and the capacitor C1, and stable supply of current is maintained.
Further, the ac input port includes a live wire 101 and a neutral wire 102, the gear shifting module is disposed on the live wire 101, the gear shifting module includes two switches, which are respectively a switch S1 and a switch S2, the switch S1 and the switch S2 are disposed in parallel, wherein the switch S2 is further connected in series with a diode D1, the switch S2 corresponds to the first gear, that is, when the switch S2 is closed, the electric appliance operates in the first gear, and the switch S2 corresponds to the second gear, that is, when the switches S1 and S2 are both closed, the electric appliance operates in the second gear, the output power of the electric appliance in the first gear is smaller than the output power of the electric appliance operating in the second gear, because the presence of the diode D1 causes only one current flow path to pass through only when the switch S2 is closed, and the diode D1 reduces the rotation speed of the motor 8; when both S1 and S2 are closed, the current flows through the flow path of S1, and the motor 8 operates at the maximum speed.
Further, the rectifier module 7 in this embodiment is a rectifier bridge stack, which converts ac power into dc power to power the motor 8, which is relatively low in cost.
Further, the gear control circuit further includes: the safety protection device comprises a fuse 103 connected in series on the live wire 101, a voltage dependent resistor 104 with two ends respectively electrically connected with the live wire 101 and the zero wire 102, and a thermistor 105 connected in series on the zero wire 102, so that the safety of the electric appliance can be effectively ensured, and when the voltage, the temperature and the like of the electric appliance exceed rated values, the electric appliance can automatically stop working.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The gear control circuit of the electric appliance is characterized by comprising an alternating current input interface, a filtering module, a gear switching module and a rectifying module which are sequentially and electrically connected, wherein the rectifying module is electrically connected with the input end and the output end of a motor of the electric appliance; the gear switching module comprises a switch S1 and a switch S2 which are connected in parallel between the filtering module and the rectifying module, the switch S2 is connected with a diode D1 in series, when the switch S2 is closed, the electric appliance operates in a first gear, when the switches S1 and S2 are both closed, the electric appliance operates in a second gear, and the output power of the electric appliance in the first gear is smaller than the output power operating in the second gear.
2. The gear control circuit according to claim 1, wherein an inductor is connected in series to each of the input and output of the motor.
3. The range control circuit of claim 1, wherein the rectifier module is a rectifier bridge stack.
4. The range control circuit of claim 3, wherein the ac input port comprises a line conductor and a neutral conductor, the range control circuit further comprising: the fuse is connected in series with the live wire, the piezoresistor with two ends respectively electrically connected with the live wire and the zero line, and the thermistor is connected in series with the zero line.
5. A gear control method of an electric appliance, wherein the electric appliance comprises at least two gears, each gear corresponds to a fixed electric appliance output power, and the gear control method comprises the following steps:
detecting the pressing stroke of a switch key, wherein when the switch key is pressed to a first stroke position, a switch S2 is closed, the electric appliance starts to operate at a first gear, and the switch key is continuously pressed until the electric appliance operates at the first gear before the switch key is pressed to a second stroke position;
when the switch key is continuously pressed to the second stroke position, the electric appliance is switched to a second gear to operate, and the output power of the electric appliance at the second gear is greater than that of the electric appliance at the first gear.
6. The gear control method according to claim 5, wherein the electric appliance is not operated when the switch button is in the initial position.
7. Gear control method according to claim 5, characterised in that said electric appliance is operated in a first gear and that said switch button is automatically reset to an initial position when released.
8. The gear control method according to claim 5, wherein the electric appliance is operated in the second gear, when the switch key is loosened, the switch key is first reset to the first stroke position, the electric appliance is switched to the first gear to operate, the switch key is continuously loosened, and the switch key is automatically reset to the initial position.
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| CN202111361884.XA CN114115007A (en) | 2021-11-17 | 2021-11-17 | Gear control method and circuit of electric appliance |
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| CN202111361884.XA CN114115007A (en) | 2021-11-17 | 2021-11-17 | Gear control method and circuit of electric appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116578033A (en) * | 2023-07-14 | 2023-08-11 | 深圳市勒基恩科技有限公司 | Method for controlling electric appliance by switch |
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