SUMMERY OF THE UTILITY MODEL
To the technical problem who exists, the utility model provides an appearance discharge circuit and the appearance that moults.
In one embodiment, the present invention provides a discharging circuit of a depilating apparatus, including: the PTC resistor comprises a first switching tube, a second switching tube and a PTC resistor;
the first end of the first switching tube is used for being connected to a discharge signal output end of the main controller, the second end of the first switching tube is used for being connected to an external input power supply, and the third end of the first switching tube is grounded; the first end of the second switching tube is connected with the second end of the first switching tube, the second end of the second switching tube is connected with one end of the PTC resistor, and the third end of the second switching tube is grounded; the other end of the PTC resistor is connected with an energy storage circuit of the depilating instrument.
In one embodiment, the first switch tube is a first triode or a first MOS tube.
In one embodiment, the second switching tube is a second triode or a second MOS tube.
In one embodiment, the power supply further comprises a first voltage division circuit; the first end of the first voltage division circuit serving as a voltage division output end is connected with the first end of the first switching tube, the second end of the first voltage division circuit is used for being connected with a discharge signal output end of the main controller, and the third end of the first voltage division circuit is grounded.
In one embodiment, the system further comprises a second voltage division circuit;
the voltage division output end of the second voltage division circuit is used as a first end and is respectively connected with the first end of the second switch tube and the second end of the first switch tube, the second end of the second voltage division circuit is used for being connected to an external input power supply, and the second end of the second voltage division circuit is grounded.
In one embodiment, the first switch tube is a first triode;
the base electrode of the first triode is used as the first end of the first switching tube and is used for being connected to the discharging signal output end of the main controller, the collector electrode of the first triode is used as the second end of the first switching tube and is used for being connected to an external input power supply, and the emitting electrode of the first triode is used as the third end of the first switching tube and is grounded.
In one embodiment, the second switching tube is a second triode;
the base electrode of the second triode is used as the first end of the second switch tube and connected with the second end of the first switch tube, the collector electrode of the second triode is used as the second end of the second switch tube and connected with one end of the PTC resistor, and the emitting electrode of the second triode is used as the third end of the second switch tube and grounded.
In one embodiment, the energy storage circuit of the epilating apparatus comprises a capacitor;
one end of the capacitor is grounded, and the other end of the capacitor is connected with the other end of the PTC resistor.
In one embodiment, the rated zero power resistance of the PTC resistor is 4.7K Ω.
In one embodiment, the present invention also provides a depilating apparatus, comprising a depilating apparatus discharge circuit, and a main controller connected to the depilating apparatus discharge circuit.
The utility model provides a depilating instrument discharge circuit and depilating instrument, the first end of first switch tube is used for being connected to main control unit, and the second end is used for being connected to external input power; the first end of the second switch tube is connected with the second end of the first switch tube, and the second end of the second switch tube is connected with one end of the PTC resistor; the other end of the PTC resistor is connected with an energy storage circuit of the depilating instrument. The utility model discloses can utilize PTC resistance to generate heat and have the small resistance characteristic below the curie temperature, the control of the signal output that discharges of first switch tube and second switch tube accessible main control unit simultaneously, and then discharge fast for the energy storage circuit of the appearance that moults. The utility model discloses an appearance discharge circuit and the appearance that moults simple structure, the reliability is higher, and the cost is lower relatively, can discharge for energy storage circuit fast in order to reach the voltage that the appearance current place voltage gear that moults corresponds, accomplishes the voltage switch who moults the appearance fast and satisfies user's user demand.
Detailed Description
Hereinafter, various embodiments of the present invention will be described more fully. The present invention is capable of various embodiments and of being modified and varied therein. However, it should be understood that: there is no intention to limit the scope of the invention to the specific embodiments disclosed herein, but rather, the invention is to cover all modifications, equivalents, and/or alternatives falling within the spirit and scope of the various embodiments of the invention.
Hereinafter, the terms "includes" or "may include" used in various embodiments of the present invention indicate the presence of the disclosed functions, operations, or elements, and do not limit the addition of one or more functions, operations, or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprises," "comprising," "includes," "including," "has," "having" and their derivatives are intended to refer only to the particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combination of the foregoing.
In various embodiments of the present invention, the expression "at least one of a or/and B" includes any or all combinations of the words listed simultaneously. For example, the expression "a or B" or "at least one of a or/and B" may include a, may include B, or may include both a and B.
Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.
It should be noted that: if it is described that one constituent element is "connected" to another constituent element, the first constituent element may be directly connected to the second constituent element, and a third constituent element may be "connected" between the first constituent element and the second constituent element. In contrast, when one constituent element is "directly connected" to another constituent element, it is understood that there is no third constituent element between the first constituent element and the second constituent element.
The term "user" as used in various embodiments of the present invention may indicate a person using an electronic device or a device using an electronic device (e.g., an artificial intelligence electronic device).
The terminology used in the various embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the invention. 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 the various embodiments of the present invention belong. Terms such as those defined in commonly used dictionaries will be interpreted as having a meaning that is the same as a contextual meaning in the related art and will not be interpreted as having an idealized or overly formal meaning unless expressly so defined herein in various embodiments of the present invention.
Referring to fig. 1, in one embodiment, the present invention provides a depilating device discharge circuit, comprising: a first switching tube 110, a second switching tube 120, and a PTC resistor 130.
A first end of the first switch tube 110 is used for being connected to a discharge signal output end ON of the main controller, a second end of the first switch tube 110 is used for being connected to an external input power supply VCC, and a third end of the first switch tube 110 is grounded GND; a first end of the second switching tube 120 is connected to the second end of the first switching tube 110, a second end of the second switching tube 120 is connected to one end of the PTC resistor 130, and a third end of the second switching tube 120 is grounded; the other end of the PTC resistor 130 is connected to the tank circuit 140 of the epilating apparatus.
The epilating apparatus, such as a photon epilating apparatus, has a plurality of gears, and different gears correspond to different voltages, and the voltage is determined by the current capacitor voltage in the energy storage circuit 140. If the user uses the highest gear to depilate, the capacitor voltage in the energy storage circuit 140 is 400V, and the user wants to switch to the lowest gear for depilating for a while, and the voltage of the gear only needs 300V. The main controller of the depilating device is used for being connected with a voltage gear switching circuit and a voltage detection circuit of the depilating device respectively, and the voltage detection circuit is connected with the energy storage circuit 140. When the main controller receives a voltage gear switching instruction of the voltage gear switching circuit, the main controller outputs a voltage detection instruction to the voltage detection circuit, so that the voltage detection circuit detects the capacitor voltage of the energy storage circuit 140 and receives a detection result returned by the voltage detection circuit, and if the received detection result detects that the current capacitor voltage of the energy storage circuit 140 is higher than the voltage corresponding to the switched voltage gear, the main controller outputs a discharge signal to the discharge signal output end to be ON. At this time, the discharging signal output terminal ON is at a low level, for example, 0V voltage, the first switch tube 110 is turned off, the voltage of the external input power VCC makes the second switch tube 120 turned ON, and then the energy storage circuit 140 is rapidly discharged to the ground GND through the PTC resistor 130. When the main controller detects that the current capacitor voltage of the energy storage circuit 140 is reduced to the voltage corresponding to the switched voltage gear through the voltage detection circuit, the main controller needs to stop discharging, and sends a discharging stop signal to the discharging signal output end ON, at this time, the discharging signal output end ON is at a high level, such as 3.3V or 5V, so that the first switch tube 110 is turned ON, at this time, the first end voltage of the second switch tube 120 is pulled down, and the second switch tube 120 is turned off and cut off, so that the discharging of the energy storage circuit 140 is stopped. Further, after the user finishes depilating and shuts down the machine, the main controller can automatically send a discharge signal to the discharge signal output end ON, and the discharge process is repeated, so that the electric quantity of the capacitor in the energy storage circuit 140 is completely discharged, and the service life of the capacitor in the energy storage circuit 140 is prolonged.
The PTC resistor is a novel semiconductor ceramic material, mainly barium titanate, is formed by doping various substances and then processing, has large self-heating power, high reliability, safety, wide application environment range and convenient installation, has small resistance characteristic below Curie temperature when the PTC resistor heats, can quickly discharge for a capacitor, and can also utilize the characteristic of step-like enhancement of the resistor above the Curie temperature to protect a switch tube, so a discharge circuit formed by utilizing the PTC resistor has the advantages of high discharge speed, high reliability and relatively low cost.
In the discharging circuit of the hair removal device of the embodiment of the present invention, the first end of the first switch tube 110 is used for connecting to the main controller, and the second end is used for connecting to the external input power VCC; the first end of the second switch tube 120 is connected to the second end of the first switch tube 110, and the second end is connected to one end of the PTC resistor 130; the other end of the PTC resistor 130 is connected to the tank circuit 140 of the epilating apparatus. The utility model discloses can utilize PTC resistance 130 to generate heat and have the small resistance characteristic below the curie temperature, the control of the discharge signal output ON of first switch tube 110 and second switch tube 120 accessible main control unit simultaneously, and then discharge fast for the tank circuit 140 of the appearance that moults. The utility model discloses an appearance discharge circuit that moults simple structure, the reliability is higher, and the cost is lower relatively, can discharge fast for energy storage circuit 140 in order to reach the voltage that the present place voltage gear of appearance that moults corresponds, accomplishes the voltage switch who moults the appearance fast and satisfies user's user demand.
In a specific embodiment, the first switch tube is a first triode or a first MOS tube.
The utility model discloses first switch tube can be first triode or first MOS pipe, and is compatible higher, has reduced the limitation that moults the appearance discharge circuit.
In a specific embodiment, the second switching tube is a second triode or a second MOS tube.
The utility model discloses the second switch tube can be second triode or second MOS pipe, and is compatible higher, has reduced the limitation that moults the appearance discharge circuit.
Referring to fig. 2, in a specific embodiment, a first voltage divider circuit 210 is further included; a first terminal of the first voltage dividing circuit 210 serving as a voltage dividing output terminal is connected to the first terminal of the first switching tube 110, a second terminal of the first voltage dividing circuit 210 is used for being connected to a discharging signal output terminal ON of the main controller, and a third terminal of the first voltage dividing circuit 210 is grounded GND.
The main controller outputs a discharge stopping signal to the discharge signal output terminal ON, at this time, the discharge signal output terminal ON is at a high level, the first switching tube 110 is turned ON after voltage division is performed by the first voltage division circuit 210, and at this time, the voltage at the first end of the second switching tube 120 is pulled low and the second switching tube 120 is turned off, so that discharge of the energy storage circuit 140 is stopped.
The utility model discloses appearance discharge circuit moults can play the guard action of current-limiting and partial pressure through first voltage division circuit 210 to first switch tube 110, can improve circuit's reliability for it effectively stops discharging to moult appearance discharge circuit.
Referring to fig. 3, in one particular embodiment, a second voltage divider circuit 220 is also included.
The first end of the second voltage divider 220, which is used as a voltage divider output end, is connected to the first end of the second switch tube 120 and the second end of the first switch tube 110, the second end of the second voltage divider 220 is connected to the external input power VCC, and the third end of the second voltage divider 220 is connected to GND.
The main controller outputs a discharge signal to the discharge signal output terminal ON, at this time, the discharge signal output terminal ON is at a low level, the first switching tube 110 is turned off, the external input power VCC is divided by the second voltage dividing circuit 220 to turn ON the second switching tube 120, and at this time, the energy storage circuit 140 discharges rapidly through the PTC resistor 130.
The utility model discloses appearance discharge circuit moults can play the guard action of current-limiting and partial pressure to second switch tube 120 through second voltage division circuit 220, can improve circuit's reliability for it effectively discharges fast to moult appearance discharge circuit.
Referring to fig. 4, fig. 1 and fig. 2, the first voltage dividing circuit includes a first resistor R1 and a second resistor R2. The junction of the first resistor R1 and the second resistor R2 is a first end of the first voltage divider 210 serving as a voltage dividing output terminal, the other end of the first resistor R1 is a second end of the first voltage divider 210, and the other end of the second resistor R2 is a third end of the first voltage divider 210.
The main controller outputs a discharge stopping signal to the discharge signal output terminal NO, at this time, the discharge signal output terminal NO is at a high level, the first switch tube 110 is turned on after voltage division is performed by the first resistor R1 and the second resistor R2, at this time, the voltage at the first end of the second switch tube 120 is pulled low, and the second switch tube 120 is turned off and cut off, so that discharge of the energy storage circuit 140 is stopped.
The utility model discloses appearance discharge circuit moults can play the guard action of current-limiting and partial pressure to first switch tube 110 through first resistance R1 and second resistance R2, and circuit structure is simple and easily realize, can improve the reliability of circuit for it effectively stops discharging to moult appearance discharge circuit.
Referring to fig. 4 and 3, fig. 1, the second voltage dividing circuit includes a third resistor R3 and a fourth resistor R4. The junction of the third resistor R3 and one end of the fourth resistor R4 is the first end of the second voltage-dividing circuit 220 as the voltage-dividing output terminal, the other end of the third resistor R3 is the second end of the second voltage-dividing circuit 220, and the other end of the fourth resistor R4 is the third end of the second voltage-dividing circuit 220.
The main controller outputs a discharging signal to the discharging signal output terminal NO, at this time, the discharging signal output terminal ON is at a low level, the first switch tube 110 is turned off, the external input power VCC enables the first switch tube 110 to be turned ON after voltage division is performed by the third resistor R3 and the fourth resistor R4, and at this time, the energy storage circuit 140 discharges rapidly through the PTC resistor 130.
The utility model discloses appearance discharge circuit moults can play the guard action of current-limiting and partial pressure to second switch tube 120 through third resistance R3 and fourth resistance R4, and simple structure and easy realization can improve the reliability of circuit for appearance discharge circuit moults effectively carries out quick discharge.
Referring to fig. 4, in a specific embodiment, the first switching transistor is a first transistor Q1.
The base electrode of the first triode Q1 is used as the first end of the first switch tube for connecting to the discharge signal output end NO of the main controller, the collector electrode of the first triode Q1 is used as the second end of the first switch tube for connecting to the external input power source VCC, and the emitter electrode of the first triode Q1 is used as the third end of the first switch tube for grounding GND.
The utility model discloses appearance discharge circuit moults, its first switch tube can be first triode Q1 to cooperation PTC resistance realizes discharging fast to the tank circuit of the appearance that moults, and simple structure easily realizes, and the cost reduces relatively.
Referring to fig. 4, in a specific embodiment, the second switching transistor is a second transistor Q2.
The base of the second triode Q2 is used as the first end of the second switching tube to connect the second end of the first switching tube, the collector of the second triode Q2 is used as the second end of the second switching tube to connect one end of the PTC resistor 130, and the emitter of the second triode Q2 is used as the third end of the second switching tube to be grounded GND.
The utility model discloses appearance discharge circuit moults, its second switch tube can be second triode Q2 to cooperation PTC resistance 130 realizes the quick discharge to the tank circuit of the appearance that moults, and simple structure easily realizes, and the cost reduces relatively.
In one embodiment, the energy storage circuit of the epilating apparatus comprises a capacitor.
One end of the capacitor is grounded, and the other end of the capacitor is connected with the other end of the PTC resistor.
The utility model discloses appearance discharge circuit moults, the structure is perfect, and simple easy realization helps realizing the quick discharge to the appearance discharge circuit that moults to optimize the performance of the appearance that moults.
In a specific embodiment, the rated zero power resistance of the PTC resistor is 4.7K Ω.
The utility model discloses appearance discharge circuit moults, the rated zero power resistance of PTC resistance is 4.7K omega, can discharge for energy storage circuit fast in order to reach the voltage that the present place voltage gear of appearance corresponds that moults, accomplishes the voltage switch who moults the appearance fast and satisfies user's user demand.
Referring to fig. 4, the energy storage circuit includes a first capacitor EC1 and a second capacitor EC2 connected in parallel with each other, a junction of one ends of the first capacitor EC1 and the second capacitor EC2 is connected to the PTC resistor 130, and the other ends of the first capacitor EC1 and the second capacitor EC2 are grounded.
The energy storage circuit comprises a first capacitor EC1 and a second capacitor EC2, so that with the epilator discharge circuit comprising a PTC resistor, a first switching tube and a second switching tube, a corresponding voltage is provided when the epilator switches voltage steps.
The utility model discloses appearance discharge circuit moults, circuit structure is simple and easily realize, can effectively improve the discharge rate of electric capacity among the energy storage circuit for electric capacity voltage reduces the voltage that the switched voltage gear corresponds fast.
As a preferred embodiment, the first switching tube may be a first MOS tube, a gate of the first MOS tube serves as a first end of the first switching tube for connecting to a discharge signal output end of the main controller, a source of the first MOS tube serves as a second end of the first switching tube for connecting to an external input power source, and a drain of the first MOS tube serves as a third end of the third switching tube for grounding.
As a preferred embodiment, the second switching tube may be a second MOS tube, a gate of the second MOS tube and a first end of the second switching tube are connected to the second end of the first switching tube, a source of the second switching tube is connected to one end of the PTC resistor as the second end of the second switching tube, and a drain of the second switching tube is grounded as the third end of the second switching tube.
The utility model discloses appearance discharge circuit moults, the circuit is simple and in order to realize, and is compatible strong, has reduced appearance discharge circuit's that moults limitation.
Further, referring to fig. 4, the discharging circuit of the hair removal instrument further includes a filter capacitor C1, wherein one end of the filter capacitor C1 is connected to the base of the first transistor Q1, and the other end is grounded. Thereby further improving the reliability of the discharge circuit of the epilating apparatus.
Referring to fig. 5, in one embodiment, the present invention also provides a depilating apparatus, comprising a depilating apparatus discharge circuit 510, and a main controller 520 connected to depilating apparatus discharge circuit 510.
It should be noted that the depilating apparatus discharge circuit 510 of the present embodiment has the same limitations as those of the depilating apparatus discharge circuits of the above embodiments, and will not be described again here.
The utility model discloses an appearance that moults, including the appearance discharge circuit that moults. The first end of the first switching tube is used for being connected to the main controller, and the second end of the first switching tube is used for being connected to an external input power supply; the first end of the second switch tube is connected with the second end of the first switch tube, and the second end of the second switch tube is connected with one end of the PTC resistor; the other end of the PTC resistor is connected with an energy storage circuit of the depilating instrument. The utility model discloses can utilize PTC resistance to generate heat and have the small resistance characteristic below the curie temperature, the control of the signal output that discharges of first switch tube and second switch tube accessible main control unit simultaneously, and then discharge fast for the energy storage circuit of the appearance that moults. The utility model discloses an appearance that moults simple structure, the reliability is higher, and the cost is lower relatively, can discharge for energy storage circuit fast in order to reach the voltage that the present place voltage gear of appearance that moults corresponds, accomplishes the voltage switch who moults the appearance fast and satisfies user's user demand.
Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the drawings are not necessarily required to practice the present invention.
Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The sequence numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the implementation scenario. The above disclosure is only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.