CN210431371U - Working circuit of hair removal instrument and hair removal instrument - Google Patents
Working circuit of hair removal instrument and hair removal instrument Download PDFInfo
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- CN210431371U CN210431371U CN201921523433.XU CN201921523433U CN210431371U CN 210431371 U CN210431371 U CN 210431371U CN 201921523433 U CN201921523433 U CN 201921523433U CN 210431371 U CN210431371 U CN 210431371U
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Abstract
The utility model provides a working circuit and appearance that moults of appearance. The working circuit of the depilating instrument comprises an energy storage circuit, a control circuit, a suppression circuit, a strong pulse light source and a trigger coil, wherein the energy storage circuit is electrically connected with a mains supply input circuit module to store electric energy; the control circuit is electrically connected with the energy storage circuit to control the electrical conduction time of the working circuit; the suppression circuit is electrically connected with the control circuit to suppress the change rate of the current in the working circuit; the strong pulse light source is electrically connected with the suppression circuit; the trigger coil is wound on the strong pulse light source and is used for being electrically connected with the booster circuit so as to apply trigger conduction voltage to the strong pulse light source. The utility model discloses a working circuit of appearance that moults can reduce the impact of transient state peak current to strong pulse light source, has prolonged strong pulse light source's life-span.
Description
Technical Field
The utility model relates to a circuit structure's technical field especially relates to a working circuit and appearance that moults of appearance.
Background
In order to remove body hair, people use various ways to remove hair, generally, the light is used for removing hair, namely, the skin is irradiated with strong pulse light, the pigment in the hair follicle of the skin absorbs the light energy to generate heat, the hair follicle is necrotic and the hair is removed, the hair can not grow any more, and thus, the purpose of removing hair for a long time is achieved.
However, when the strong pulse light source is turned on to emit light, a transient spike current is generated in the operating circuit of the depilating apparatus, and the strong pulse light source is easily damaged by the impact of the transient spike current and needs to be replaced frequently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a working circuit of appearance and the appearance that moults to solve the not long technical problem of life of strong pulse light source.
The utility model provides a working circuit of a depilating instrument, which comprises an energy storage circuit, a power supply input circuit module and a control circuit, wherein the energy storage circuit is used for being connected with the power supply input circuit module so as to store electric energy; the control circuit is electrically connected with the energy storage circuit to control the electrical conduction time of the working circuit; a suppression circuit electrically connected to the control circuit to suppress a rate of change of the current in the operating circuit; the strong pulse light source is electrically connected with the suppression circuit; and the trigger coil is wound on the strong pulse light source and is used for being electrically connected with the booster circuit so as to apply trigger conduction voltage to the strong pulse light source.
Optionally, the number of the intense pulse light sources is at least two, and the intense pulse light sources are connected in parallel with each other.
Optionally, the energy storage circuit comprises at least two capacitors connected in parallel with each other.
Optionally, the control circuit includes an Insulated Gate Bipolar Transistor (IGBT), the Insulated Gate Bipolar Transistor (IGBT) is connected in series with the suppression circuit, and a control end of the Insulated Gate Bipolar Transistor (IGBT) is electrically connected to the single chip microcomputer to receive a control signal of the single chip microcomputer.
Optionally, the suppression circuit comprises an inductor in series with the intense pulsed light source.
Optionally, the inductor has an inductance value of 0.001 to 10 millihenries.
Optionally, the inductor has an inductance value of 72 microhenries.
Optionally, the output voltage of the boost circuit is 8000 volts to 13000 volts.
The utility model provides a depilating instrument, which comprises a working circuit of the depilating instrument.
The utility model has the advantages as follows:
the utility model discloses an appearance working circuit that moults's suppression circuit has the effect of suppression working circuit medium current rapid change, reduces the transient state peak current that produces when strong impulse light source switches on through suppression circuit, suppresses the peak value of the rate of change of electric current in the working circuit in order to reduce transient state peak current through suppression circuit promptly to reduce the current impact that strong impulse light source received, prolonged strong impulse light source's life-span.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of an operating circuit of a hair removal device provided by the present invention;
FIG. 2 is a current waveform diagram of the working circuit provided by the present invention when the working circuit is not connected in series with an inductor;
fig. 3 is a current waveform diagram of the working circuit when the inductor is connected in series with the working circuit provided by the present invention and the value of the inductor is L1;
fig. 4 is a current waveform diagram of the working circuit when the inductor is connected in series with the working circuit provided by the present invention and the value of the inductor is L2;
fig. 5 is a current waveform diagram of the working circuit when the inductor is connected in series with the working circuit provided by the present invention and the value of the inductor is L3;
fig. 6 is a schematic diagram of an embodiment of the hair removal device provided by the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of an operating circuit 100 of a depilating apparatus according to the present invention.
The operating circuit 100 of the hair removal device of the present embodiment includes an energy storage circuit 10, a control circuit 20, a suppression circuit 30, a strong pulse light source 40, a trigger coil 50 and a voltage boosting circuit, which are electrically connected in sequence.
The energy storage circuit 10 is electrically connected to the commercial power input circuit module 60 to be electrically connected to the commercial power so as to store electric energy. The mains may be 220 volts, 110 volts, etc. The control circuit 20 is electrically connected with the energy storage circuit 10 to control the electrical conduction time of the working circuit 100; the suppression circuit 30 is electrically connected to the control circuit 20 to suppress the change rate of the current in the working circuit 100, suppress the sudden increase of the current in the working circuit 100, and reduce the peak value of the transient spike current; the strong pulse light source 40 is electrically connected with the suppression circuit 30; the trigger coil 50 is wound on the strong pulse light source 40, and the trigger coil 50 is electrically connected to the voltage boosting circuit to apply a trigger conducting voltage to the strong pulse light source 40. Preferably, the output voltage of the booster circuit is 8000 volts to 13000 volts.
The booster circuit is a common knowledge in the art, and therefore, the configuration and operation principle thereof need not be described, and the booster circuit may satisfy the output voltage.
In an optional embodiment, the energy storage circuit 10 includes at least two capacitors 11 connected in parallel, and the two capacitors 11 are connected in parallel, so that on the premise of meeting the discharge energy, the equivalent internal resistance of the two capacitors 11 connected in parallel is reduced, the effective output capacity of the energy storage circuit is enhanced, the output load of a single capacitor is reduced, and the service life of the capacitor is prolonged.
In an alternative embodiment, the control circuit 20 includes an Insulated Gate Bipolar Transistor (IGBT)21, and the energy storage circuit 10, the Insulated Gate Bipolar Transistor (IGBT)21, and the suppression circuit are connected in series in sequence. Specifically, a collector of the Insulated Gate Bipolar Transistor (IGBT)21 is electrically connected to the energy storage circuit 10, an emitter of the Insulated Gate Bipolar Transistor (IGBT)21 is connected to the suppression circuit 30, and a control terminal of the Insulated Gate Bipolar Transistor (IGBT)21 is electrically connected to the single chip microcomputer 70 to receive a control signal of the single chip microcomputer 70. The single chip microcomputer 70 is connected to a control terminal of the Insulated Gate Bipolar Transistor (IGBT)21, and the single chip microcomputer 70 controls the on/off and on time of the Insulated Gate Bipolar Transistor (IGBT)21 by controlling a voltage applied to the control terminal of the Insulated Gate Bipolar Transistor (IGBT) 21.
In an alternative embodiment, the suppression circuit 30 includes an inductor 31, the inductor 31 being connected in series with the intense pulsed light source 40.
When the energy storage circuit 10 works, firstly, the commercial power input circuit module 60 is connected to commercial power, the singlechip 70 controls the Insulated Gate Bipolar Transistor (IGBT)21 to be turned off, so that the control circuit 20 is in a disconnected state, and the commercial power input circuit module 60 charges the capacitor 11 of the energy storage circuit 10; then, the single chip microcomputer 70 controls the voltage of the control terminal of the Insulated Gate Bipolar Transistor (IGBT)21 to increase and conduct the IGBT, so that the control circuit 20 is in a conducting state, the capacitor 11 of the energy storage circuit 10 discharges, and voltages are applied to the positive and negative electrodes of the intense pulse light source 40; finally, the single chip microcomputer 70 controls the voltage boosting circuit to apply high voltage to two ends of the trigger coil 50, and xenon in the strong pulse light source 40 is ionized and conducted under the action of the high voltage of the trigger coil 50, so that the strong pulse light source 40 is conducted and emits light.
The inductor 31 is a component that can convert electric energy into magnetic energy and store the magnetic energy, and the inductance only hinders the change of current. The greater the inductive reactance so that the smaller the peak current through inductor 31. When the inductor 31 is not connected in series in the working circuit 100, a transient spike current is generated in the working circuit 100 at the moment when the strong pulse light source 40 is turned on, the current value of the transient spike current is very high, such a high peak current can cause a great impact on the strong pulse light source 40, the strong pulse light source 40 is impacted by a high current for a long time, and the service life of the strong pulse light source 40 can be greatly reduced. In order to reduce the current value of the transient spike current and reduce the current impact on the intense pulsed light source 40, the intense pulsed light source 40 is connected in series with the inductor 31, and the transient spike current is suppressed by the inductor 31.
The inductance value of inductor 31 may be 0.001 to 10 millihenries. Preferably, the inductance value of inductor 31 is 20 microhenries.
Further, in order to test the suppression effect of the inductor 31 on the transient spike current, the transient spike current magnitude in the operating circuit 100 was measured in the state where the inductor 31 was not connected in series and in series, and when the inductor 31 had different inductance values.
As shown in fig. 2, when the inductor 31 is not connected in series in the operating circuit 100, the transient spike current of the operating circuit 100 is 450A. As shown in fig. 3, when the inductor 31 is connected in series in the operating circuit 100, and the inductance L1 of the inductor 31 has a value of 10 microhenries, the transient spike current in the operating circuit 100 is 440A. As shown in fig. 4, when the inductor 31 is connected in series in the operating circuit 100, and the inductance L2 of the inductor 31 has a value of 22 microhenries, the transient spike current in the operating circuit 100 is 429A. As shown in fig. 5, when the inductor 31 is connected in series in the operating circuit 100, and the inductance L3 of the inductor 31 has a value of 72 microhenries, the transient spike current in the operating circuit 100 is 233A.
It can be seen that after the working circuit 100 is connected in series with the inductor 31, the transient peak current in the working circuit 100 is reduced, and as the inductance value of the inductor 31 is continuously increased, the transient peak current in the working circuit 100 is reduced more significantly, and at the same time, the discharge time is prolonged, the irradiation time of the strong pulse light source 40 is increased, and the depilation effect is improved.
In an optional embodiment, the number of the strong pulse light sources 40 is at least two, and the at least two strong pulse light sources 40 are connected in parallel, so that on the premise of meeting the overall luminous intensity of the strong pulse light sources 40, the power of each strong pulse light source 40 is effectively reduced, the working current of each strong pulse light source 40 is reduced, the heat productivity of the strong pulse light sources 40 is reduced, and the service life of the strong pulse light sources 40 is finally prolonged.
For example, the capacitor 11 needs to apply a voltage U across the high-intensity pulse light source 40 to generate a current I to satisfy the light intensity of the high-intensity pulse light source 40, and the power of the single high-intensity pulse light source 40 must also reach P. However, if two strong pulse light sources 40 are connected in parallel, the power of each strong pulse light source 40 only needs to reach 1/2P, the voltage applied to both ends of each strong pulse light source 40 is U, and the generated current is 1/2I, so that the current of the strong pulse light sources 40 is reduced, and the heat generation amount of the strong pulse light sources 40 is reduced. It can be understood that, the more the number of the strong pulse light sources 40 connected in parallel, the less the heat generation of each strong pulse light source 40, and the number of the strong pulse light sources 40 connected in parallel can be set according to the usage, for example: 2, 3, 4, 5, etc.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an embodiment of the hair removal device of the present invention.
The epilating apparatus 1000 of the present embodiment comprises the operating circuit 100 of the epilating apparatus 1000 of any of the embodiments described above, and the epilating apparatus 1000 generates light through the operating circuit 100 of the epilating apparatus 1000.
The hair removal instrument 1000 is used for removing body hair, people use the hair removal instrument 1000 to perform light hair removal, namely, the skin is irradiated with strong pulsed light, pigments in skin hair follicles absorb light energy to generate heat, the hair follicles are necrotic, hairs fall off and do not grow any more, and therefore the purpose of removing hair for a long time is achieved.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. An operating circuit for an epilating apparatus, the operating circuit comprising:
the energy storage circuit is used for being connected with the commercial power input circuit module so as to store electric energy;
the control circuit is electrically connected with the energy storage circuit to control the electrical conduction time of the working circuit;
a suppression circuit electrically connected to the control circuit to suppress a rate of change of the current in the operating circuit;
the strong pulse light source is electrically connected with the suppression circuit; and
and the trigger coil is wound on the strong pulse light source and is electrically connected with the booster circuit so as to apply trigger conduction voltage to the strong pulse light source.
2. Operating circuit for a depilation instrument as claimed in claim 1, characterized in that the number of intense-pulsed light sources is at least two and are connected in parallel to one another.
3. Operating circuit of an epilating apparatus in accordance with claim 1, characterized in that the energy storage circuit comprises at least two capacitors connected in parallel with each other.
4. The operating circuit of the hair removal device as claimed in claim 1, wherein the control circuit comprises an Insulated Gate Bipolar Transistor (IGBT), the Insulated Gate Bipolar Transistor (IGBT) is connected in series with the suppression circuit, and a control terminal of the Insulated Gate Bipolar Transistor (IGBT) is electrically connected to the single chip microcomputer to receive a control signal of the single chip microcomputer.
5. Operating circuit for an epilating apparatus in accordance with claim 1, characterized in that the suppression circuit comprises an inductor, which is connected in series with the intense-pulsed-light source.
6. Operating circuit for a depilation instrument as claimed in claim 5, characterized in that the inductance value of the inductor is from 0.001 to 10 millihenries.
7. Operating circuit for a depilation instrument as claimed in claim 6, characterized in that the inductance value of the inductor is 72 microhenries.
8. The operating circuit of an epilating apparatus as claimed in claim 1, wherein the output voltage of the voltage boosting circuit is 8000 volts to 13000 volts.
9. An epilating apparatus, characterized in that it comprises an operating circuit of an epilating apparatus as claimed in any one of the claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921523433.XU CN210431371U (en) | 2019-09-12 | 2019-09-12 | Working circuit of hair removal instrument and hair removal instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921523433.XU CN210431371U (en) | 2019-09-12 | 2019-09-12 | Working circuit of hair removal instrument and hair removal instrument |
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| Publication Number | Publication Date |
|---|---|
| CN210431371U true CN210431371U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921523433.XU Active CN210431371U (en) | 2019-09-12 | 2019-09-12 | Working circuit of hair removal instrument and hair removal instrument |
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| CN (1) | CN210431371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701147A (en) * | 2020-06-29 | 2020-09-25 | 深圳市宗匠科技有限公司 | Negative pressure trigger stabilizing circuit and red light wave energy appearance that moults |
-
2019
- 2019-09-12 CN CN201921523433.XU patent/CN210431371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701147A (en) * | 2020-06-29 | 2020-09-25 | 深圳市宗匠科技有限公司 | Negative pressure trigger stabilizing circuit and red light wave energy appearance that moults |
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