CN210518138U - Strong pulse light driving power supply for xenon lamp and corresponding photon skin tendering machine - Google Patents
Strong pulse light driving power supply for xenon lamp and corresponding photon skin tendering machine Download PDFInfo
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- CN210518138U CN210518138U CN201921632278.5U CN201921632278U CN210518138U CN 210518138 U CN210518138 U CN 210518138U CN 201921632278 U CN201921632278 U CN 201921632278U CN 210518138 U CN210518138 U CN 210518138U
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Abstract
The utility model discloses a bright skin machine of strong pulse light drive power and corresponding photon for xenon lamp. The strong pulse light driving power supply comprises a rectifying circuit, an energy storage capacitor, a pulse intensity and width control circuit and a step-up transformer. The strong pulse light driving power supply realizes that the switching unit of the circuit is driven to be switched on and switched off according to the received pulse width modulation signal by arranging the pulse intensity and width control circuit, so that whether the direct current voltage on the energy storage capacitor is loaded on the xenon lamp or not is realized, the light pulse width and the light pulse intensity are respectively adjusted without mutual interference, and the application range of the photon skin tenderer in clinic is greatly expanded.
Description
Technical Field
The utility model relates to a strong pulse light drive power supply for xenon lamp also relates to the tender skin machine of photon including this strong pulse light drive power supply simultaneously.
Background
For convenient use when the design of IPL (intense pulsed light) photon skin tendering machine, do the xenon lamp in the hand utensil usually, be connected through the cable between the host computer of hand utensil and photon skin tendering machine to control hand utensil and produce intense pulsed light, so that the handheld hand utensil of staff carries out the treatment for the user.
The xenon lamp needs to be excited by instant heavy current for obtaining higher pulse light energy, the topological structure of a strong pulse light driving power supply conventionally used for the xenon lamp is shown in figure 1, alternating current 220V voltage or other types of power supplies are input, direct current charging voltage U1 is obtained in an inversion mode and is used for charging a pulse energy storage capacitor E1, after the xenon lamp is ionized by a high-voltage package (a step-up transformer), a glow conducting channel is formed inside the xenon lamp, at the moment, a silicon controlled rectifier SCR1 is triggered, and charges stored on an energy storage capacitor E1 flow through the xenon lamp instantly to form strong pulse current, so that the xenon lamp generates strong pulse light.
Because the photon skin tendering machine is used clinically, two key parameters are provided, one is the light pulse width, and the other is the light pulse intensity, and different clinical applications actually are different combinations of the two parameters. Although the strong pulse light driving power supply for the xenon lamp can adjust the light pulse intensity by adjusting the charging voltage U1, that is, the higher the charging voltage of the capacitor E1 is, the more electric energy is stored, and the larger the current flowing through the xenon lamp is, so that the light pulse intensity of the xenon lamp is higher. However, since the inductance of the inductor L1 is fixed and not adjustable, when the voltage value of the capacitor E1 is determined, the discharge pulse shape is also substantially fixed, i.e., the light pulse width (light pulse time) cannot be flexibly adjusted at will, which is inconvenient for clinical application. For example, laser depilation can not be conducted to the dermis layer instantaneously due to the heat generated by the laser, so that the light pulse time needs to be increased to realize the heat conduction to the dermis layer so as to achieve the aim of depilation. For another example, removing spots on the skin surface requires increasing the intensity of the light pulses and decreasing the time of the light pulses to avoid burning the skin.
Disclosure of Invention
The utility model aims to solve the technical problem that a intense pulse light drive power supply for xenon lamp is provided.
Another technical problem to be solved by the present invention is to provide a photon skin tendering machine including the above strong pulse light driving power supply for xenon lamp.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to a first aspect of embodiments of the present invention, there is provided a strong pulse light driving power supply for a xenon lamp, which is characterized by comprising a rectifier circuit, an energy storage capacitor, a pulse intensity and width control circuit and a step-up transformer;
the rectifying circuit is connected with two ends of the energy storage capacitor, the anode of the energy storage capacitor is connected with the switch end of the pulse intensity and width control circuit, the input end of the pulse intensity and width control circuit is connected with the pulse width modulation signal end of an external single chip microcomputer, the output end of the pulse intensity and width control circuit is connected with the anode of the xenon lamp, and the boosting transformer is connected with an external trigger wire or a metal reflecting lampshade of the xenon lamp.
Preferably, the pulse intensity and width control circuit comprises a control unit, a switch unit and an isolation unit; the input end of the control unit is connected with the pulse width modulation signal end of the single chip microcomputer, the output end of the control unit is connected with the input end of the switch unit, the switch end of the switch unit is connected with the anode of the energy storage capacitor, the output end of the switch unit is connected with the input end of the isolation unit, and the output end of the isolation unit is connected with the anode of the xenon lamp.
Preferably, the control unit adopts a high-side switch driver, a high-side input pin of the high-side switch driver is connected with a pulse width modulation signal end of the single chip microcomputer, and a high-side output pin of the high-side switch driver is connected with an input end of the switch unit through a first resistor.
Preferably, the switch unit is implemented by an insulated gate bipolar transistor or an NMOS transistor.
Preferably, the isolation unit comprises an energy storage inductor, a second diode, a third capacitor and a third diode; one end of the energy storage inductor is connected with the cathode of the second diode and the output end of the switch unit respectively, the other end of the energy storage inductor is connected with one end of the third capacitor and the anode of the third diode, and the anode of the second diode and the other end of the third capacitor are grounded respectively; and the cathode of the third diode is connected with the anode of the xenon lamp.
Preferably, a thermistor and a fuse are respectively arranged between the mains supply and the rectifying circuit.
Preferably, a common mode rejection circuit is provided between the thermistor and the fuse and the rectifying circuit.
Preferably, the common mode rejection circuit includes a fourth capacitor, a common mode inductor, a fifth capacitor and a sixth capacitor, one end of the fourth capacitor is connected to one end of a winding of the common mode inductor, the other end of the winding is respectively connected to one end of the fifth capacitor and one input end of the rectifier circuit, the other end of the fourth capacitor is connected to one end of another winding of the common mode inductor, and the other end of the winding is respectively connected to one end of the sixth capacitor and the other input end of the rectifier circuit; and the other ends of the fifth capacitor and the sixth capacitor are respectively grounded.
Preferably, the energy storage capacitor is provided with a second leakage resistor, one end of the second leakage resistor is respectively connected with the anode of the energy storage capacitor and the switch end of the switch unit, and the other end of the second leakage resistor is connected with the cathode of the energy storage capacitor.
According to a second aspect of the embodiments of the present invention, there is provided a photon skin tendering machine, comprising a main machine and a hand tool, wherein the main machine is connected with the hand tool through a cable; the hand tool is provided with a high-voltage generation part and a xenon lamp, the host is internally provided with the intense pulse light driving power supply, and the intense pulse light driving power supply is connected with the xenon lamp.
The utility model provides a strong pulse light drive power supply for xenon lamp realizes according to the pulse width modulation signal who receives through setting up pulse intensity and width control circuit, and the switch element who drives this circuit switches on and shuts off, not only realizes whether with the direct current voltage loading on the energy storage electric capacity xenon lamp on, still realizes adjusting light pulse width and intensity respectively, mutually noninterfere has expanded the range of application of photon skin rejuvenation machine in clinic greatly.
Drawings
FIG. 1 is a schematic diagram of a prior art intense pulse light drive power supply for a xenon lamp;
fig. 2 is a schematic block diagram of an intense pulse light driving power supply for a xenon lamp according to the present invention;
fig. 3 is a schematic circuit diagram of a strong pulse light driving power supply for a xenon lamp according to the present invention;
fig. 4 is a graph 1 showing the change of the current corresponding to the energy storage inductor when the duty ratio of the received pulse modulation signal is changed in the strong pulse light driving power supply for xenon lamp provided by the present invention;
fig. 5 is a graph 2 showing the change of the current corresponding to the energy storage inductor when the duty ratio of the received pulse modulation signal changes in the strong pulse light driving power supply for the xenon lamp.
Detailed Description
The technical content of the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 2, the intense pulse light driving power supply for xenon lamp provided by the present invention comprises a rectification circuit 1, an energy storage capacitor E1, a pulse intensity and width control circuit 2 and a step-up transformer U2; the input end of the rectifying circuit 1 is connected with a mains supply, the output end of the rectifying circuit 1 is connected with two ends of an energy storage capacitor E1, the anode of the energy storage capacitor E1 is connected with the switching end of a Pulse intensity and Width control circuit 2, the cathode of the energy storage capacitor E1 is grounded, the input end of the Pulse intensity and Width control circuit 2 is connected with the Pulse Width Modulation (PWM) end of an external single chip microcomputer, the output end of the Pulse intensity and Width control circuit 2 is respectively connected with the output end of an external switching power supply and the anode of a xenon lamp, the initial end of the boosting transformer U2 is connected with the output end of an external high-voltage power supply, the tail end of the boosting transformer U2 is connected with an external trigger wire or a metal reflective lampshade of the xenon lamp, and the middle end of the boosting transformer U2 is grounded.
Specifically, as shown in fig. 3, the rectifier circuit 1 may employ a full-bridge rectifier circuit composed of four diodes. The full-bridge rectifier circuit is used to rectify the commercial power (generally, ac voltage 220V) into dc voltage 310V, so that the energy storage capacitor E1 can be charged to dc voltage 310V.
The pulse intensity and width control circuit 2 comprises a control unit, a switch unit and an isolation unit; the input end of the control unit is used as the input end of the pulse intensity and width control circuit and is used for being connected with the pulse width modulation signal end of an external single chip microcomputer, the output end of the control unit is connected with the input end of the switch unit, the switch end of the switch unit is used as the switch end of the pulse intensity and width control circuit 2 and is used for being connected with the anode of the energy storage capacitor E1, the output end of the switch unit is connected with the input end of the isolation unit, and the output end of the isolation unit is used as the output end of the pulse intensity and width control circuit and is used for being connected with the output end of an external switching power supply.
The control unit receives a pulse width modulation signal sent by a single chip microcomputer in the photon skin tendering machine to drive the switch unit to be switched on and off, and after an external switch power supply is isolated by the isolation unit to supply pilot arc medium voltage to the xenon lamp, whether 310V direct-current voltage on the energy storage capacitor E1 is loaded on the xenon lamp is achieved.
The control unit may employ a high-side switch driver U3 for driving the switching unit on or off. For example, the control unit may employ a high side switch driver, model ADIRS21811S, available from IR corporation of America. As shown in fig. 3, a high-side input pin Hin of the high-side switch driver U3 is used as an input end of the control unit, and is used for connecting to a pulse width modulation signal end of an external single chip microcomputer, so as to receive a pulse width modulation signal sent by the single chip microcomputer to serve as an input driving signal of the high-side switch driver. A pull-down resistor R5 is further arranged between a high-side input pin of the high-side switch driver U3 and a pulse width modulation signal end of the single chip microcomputer, and is used for enabling the output of the high-side switch driver U3 to be at a low level when no driving signal is input to the high-side switch driver U3, so that the switch unit is turned off. A first capacitor C5 is disposed between the two power supply pins Vb and Vs of the high-side switch driver U3 for filtering out noise in the circuit and preventing damage to the high-side switch driver U3. The two power supply pins Vb and Vs of the high-side switch driver U3 are also correspondingly connected to the positive electrode QDV + and the negative electrode QDV "of the driving power supply, and are used for providing the driving power supply for the switch unit. The working power supply pins Vcc and Com of the high-side switch driver U3 are correspondingly connected to the working voltage of 12V and the ground line, and are used for providing the working voltage for the high-side switch driver U3. A second capacitor C6 is provided between the operating power supply pin Vcc of the high-side switch driver U3 and the operating voltage of 12V, and is used for filtering noise in the circuit and preventing damage to the high-side switch driver U3. The high side output pin HO of the high side switch driver U3 is connected to the input terminal of the switch unit through a first resistor R4, and is used for sending an input driving signal to the switch unit to drive the switch unit to be turned on or off. That is, when the input driving signal received by the control unit is at a high level, the high-side switch driver U3 drives the switch unit to be turned on; when the input drive signal is low, the high-side switch driver U3 drives the switch unit off.
The switch unit can adopt an insulated gate bipolar transistor (IGBT transistor) or an NMOS transistor; when the switch unit adopts the insulated gate bipolar transistor, the base electrode of the insulated gate bipolar transistor is used as the input end of the switch unit, the collector electrode of the insulated gate bipolar transistor is used as the switch end of the switch unit, and the emitter electrode of the insulated gate bipolar transistor is used as the output end of the switch power supply. When the switch unit adopts the NMOS transistor, the gate of the NMOS transistor is used as the input terminal of the switch unit, the drain of the NMOS transistor is used as the switch terminal of the switch unit, and the source of the NMOS transistor is used as the output terminal of the switch unit. The switching unit will be described in detail with reference to fig. 3, taking the NMOS transistor as an example of the switching unit. As shown in fig. 2, the drain of the NMOS transistor Q1 is connected to the anode of the energy storage capacitor E1, the gate of the NMOS transistor Q1 is connected to the high-side output pin HO of the high-side switch driver U3 through the first resistor R4, and the source of the NMOS transistor Q1 is connected to the input terminal of the isolation unit.
In order to increase the turn-off speed of the switching unit, a method of accelerating the charge leakage of the gate of the NMOS transistor Q1 may be adopted. Specifically, the gate of the NMOS transistor Q1 is respectively connected in series to the cathode of the first diode D1 and one end of the second resistor R3, the end of the second resistor R3 is further connected to one end of the first resistor R4, and the other end of the first resistor R4 is connected to the high-side output pin of the high-side switch driver U3; the anode of the first diode D1 and the other end of the second resistor R3 are connected to the source of the NMOS transistor Q1 and the power supply pin Vs of the high-side switch driver U3, respectively.
In addition, the first resistor R4 is a damping resistor for the gate of the NMOS transistor Q1, and prevents distortion of the gate drive waveform of the NMOS transistor Q1.
As shown in fig. 3, the isolation unit includes an energy storage inductor L1, a second diode D3, a third capacitor C1, and a third diode D2; one end of an energy storage inductor L1 is connected with the cathode of the second diode D3 and the source of the NMOS transistor Q1 respectively, the other end of the energy storage inductor L1 is connected with one end of a third capacitor C1 and the anode of a third diode D2, and the anode of the second diode D3 and the other end of the third capacitor C1 are grounded respectively; the cathode of the third diode D2 is connected to the output terminal of the external switching power supply and the anode of the xenon lamp L3, respectively. Since the NMOS transistor Q1 is used as the main switch, when the NMOS transistor Q1 is turned on, the 310V dc voltage on the energy storage capacitor E1 is applied to the xenon lamp through the energy storage inductor L1 and the third diode D2. At this time, if the high voltage driving signal provided by the high voltage power supply to the step-up transformer U2 drives the step-up transformer U2 to generate a high voltage exceeding 1 ten thousand volts, and the voltage is applied to the trigger wire wound around the outer wall of the xenon lamp glass tube or the xenon lamp metal reflector to cause the ionization of the gas inside the xenon lamp, so that the conductive channel inside the xenon lamp L3 is formed, the current will pass through the xenon lamp to form strong pulse discharge, so that the xenon lamp generates strong pulse light.
Wherein the second diode D3 is used for freewheeling; the third capacitor C1 is used for absorbing the transient voltage spike, so that the output current of the strong pulse light driving power supply is stable. The 310V direct-current voltage on the energy storage capacitor E1 is isolated from the pilot arc medium voltage output by the external switching power supply through the third diode D2, so that the pilot arc medium voltage is effectively prevented from flowing back to the intense pulse light driving power supply, and the damage to devices in the intense pulse light driving power supply is avoided. In addition, the pilot arc medium voltage is isolated by the first diode D1 and then is connected in parallel to the xenon lamp, the pilot arc medium voltage has the function of maintaining the stability of the xenon lamp arc, and the instability of the xenon lamp arc caused by large fluctuation of working current when the high level time in the pulse width modulation signal is too narrow is avoided.
In order to limit the charging current of the strong pulse light driving power supply at the moment of power-on to protect the rectifying circuit 1, as shown in fig. 3, a thermistor RT1 may be disposed between the commercial power and the rectifying circuit 1. Similarly, in order to avoid short circuit caused by fault in the strong pulse light driving power supply, as shown in fig. 3, a fuse F1 may be additionally disposed between the commercial power and the rectifying circuit 1, so as to achieve self-fusing when the current of the strong pulse light driving power supply is greater than a preset value, so as to cut off the power input in time, thereby protecting the strong pulse light driving power supply.
In order to ensure that the strong pulse light driving power supply meets the requirements of electromagnetic compatibility conduction standards and prevent noise from interfering other electrical appliances, a common mode suppression circuit can be arranged between the thermistor RT1, the fuse F1 and the rectifying circuit 1. As shown in fig. 3, the common mode rejection circuit includes a fourth capacitor C3, a common mode inductor L2, a fifth capacitor C2 and a sixth capacitor C4, one end of the fourth capacitor C3 is connected to one end of a winding of the common mode inductor L2, and the other end of the winding is connected to one end of a fifth capacitor C2 and one input end of the rectifier circuit 1, respectively; the other end of the fourth capacitor C3 is connected to one end of the other winding of the common-mode inductor L2, and the other end of the winding is connected to one end of the sixth capacitor C4 and the other input end of the rectifier circuit 1, respectively; the other ends of the fifth capacitor C2 and the sixth capacitor C4 are respectively connected to ground. In order to ensure that the charges on the fourth capacitor C3, the fifth capacitor C2 and the sixth capacitor C4 can be completely discharged after the power-off of the strong pulse light driving power supply, a first leakage resistor R2 may be provided, one end of the first leakage resistor R2 is connected to one ends of the thermistor RT1 and the fourth capacitor C3, and the other end of the first leakage resistor R2 is connected to the other ends of the fuse F1 and the fourth capacitor C3.
It should be noted that, in order to facilitate the intense pulse light driving power supply to be connected to the commercial power, the other ends of the thermistor RT1 and the fuse F1 may be respectively connected to the connection terminal J1.
In order to ensure that the charge on the energy storage capacitor E1 can be completely discharged after the power-off of the strong pulse light driving power supply, a second leakage resistor R1 can be arranged; one end of the second leakage resistor R1 is connected to the anode of the energy storage capacitor E1 and the switch end of the switch unit, respectively, and the other end of the second leakage resistor R1 is connected to the cathode of the energy storage capacitor E1.
The process of respectively adjusting the optical pulse width and the optical pulse intensity by the strong pulse optical driving power supply is as follows:
as shown in fig. 4, it is assumed that the period of the high-side switch driver U3 receiving the pulse width modulation signal sent by the single chip microcomputer is T, and the duty ratio is T; when the duty ratio of the pulse width modulation signal sent by the high-side switch driver U3 receiving the single chip microcomputer changes, the current corresponding to the energy storage inductor L1 of the isolation unit changes: assuming that the high-level time of the high-side switch driver U3 receiving the PWM signal sent by the single chip microcomputer is t1, the switch unit is turned on during the high-level time t1 of the PWM signal, but due to the existence of the energy storage inductor L1, the current can only be obtained by the currentValue ofLinearly up to Ip 1. After the high-level time t1 of the pwm signal is over, the current starts to decrease gradually from Ip1 due to the energy storage of the energy storage inductor L1 and the freewheeling action of the second diode D3 until the next period of the pwm signal.
As shown in FIG. 5, when the period T of the PWM signal is unchanged and the high time of the PWM signal is increased from T1 to T2, the current is increased by the existence of the energy storage inductor L1Value ofLinearly up to Ip2 due to the high level time t2 of the PWM signal>t1, so the corresponding current Ip2>IP 1. When pulse width modulation signalAfter the high time t2, the current starts to decrease gradually from Ip2 until the next period of the pwm signal due to the energy stored in the energy storage inductor L1 and the freewheeling action of the second diode D3.
Therefore, by increasing the duty ratio of the pulse width modulation signal, the current intensity on the energy storage inductor L1, that is, the current intensity flowing through the xenon lamp, can be increased, thereby increasing the light pulse intensity of the xenon lamp. In addition, the light emitting time of the xenon lamp can be controlled by controlling the number of pulses of the pulse width modulation signal, namely, the light pulse width of the xenon lamp can be adjusted.
The utility model provides a strong pulse light drive power supply for xenon lamp realizes according to the pulse width modulation signal who receives through setting up pulse intensity and width control circuit, and the switch element who drives this circuit switches on and shuts off, not only realizes whether with the direct current voltage loading on the energy storage electric capacity xenon lamp on, still realizes adjusting light pulse width and intensity respectively, mutually noninterfere has expanded the range of application of photon skin rejuvenation machine in clinic greatly.
The structure and principle of the strong pulse light driving power source are explained in detail above. The utility model also provides a tender skin machine of photon including this strong pulse light drive power supply. The photon skin tendering machine comprises a host and a hand tool, wherein the host is connected with the hand tool through a cable. The hand tool is provided with a high-voltage generation part for a xenon lamp and the xenon lamp, the host machine is internally provided with a strong pulse light driving power supply for the xenon lamp, and the strong pulse light driving power supply is connected with the xenon lamp. The xenon lamp is used for providing strong pulse current for the xenon lamp so as to enable the xenon lamp to generate strong pulse light. It should be emphasized that other parts of the host are conventional structures, and will not be described herein.
The strong pulse light driving power supply for xenon lamp and the corresponding photon skin tendering machine provided by the present invention are explained in detail above. Any obvious modifications to the device, which would be obvious to those skilled in the art, without departing from the essential spirit of the invention, are intended to be covered by the appended claims.
Claims (10)
1. A strong pulse light driving power supply for a xenon lamp is characterized by comprising a rectifying circuit, an energy storage capacitor, a pulse intensity and width control circuit and a boosting transformer;
the rectifying circuit is connected with two ends of the energy storage capacitor, the anode of the energy storage capacitor is connected with the switch end of the pulse intensity and width control circuit, the input end of the pulse intensity and width control circuit is connected with the pulse width modulation signal end of an external single chip microcomputer, the output end of the pulse intensity and width control circuit is connected with the anode of the xenon lamp, and the boosting transformer is connected with an external trigger wire or a metal reflecting lampshade of the xenon lamp.
2. An intense pulse light driving power supply for a xenon lamp according to claim 1, wherein:
the pulse intensity and width control circuit comprises a control unit, a switch unit and an isolation unit; the input end of the control unit is connected with the pulse width modulation signal end of the single chip microcomputer, the output end of the control unit is connected with the input end of the switch unit, the switch end of the switch unit is connected with the anode of the energy storage capacitor, the output end of the switch unit is connected with the input end of the isolation unit, and the output end of the isolation unit is connected with the anode of the xenon lamp.
3. An intense pulse light driving power supply for a xenon lamp according to claim 2, wherein:
the control unit adopts a high-side switch driver, a high-side input pin of the high-side switch driver is connected with a pulse width modulation signal end of the single chip microcomputer, and a high-side output pin of the high-side switch driver is connected with an input end of the switch unit through a first resistor.
4. An intense pulse light driving power supply for a xenon lamp according to claim 2, wherein:
the switch unit is realized by adopting an insulated gate bipolar transistor or an NMOS transistor.
5. An intense pulse light driving power supply for a xenon lamp according to claim 2, wherein:
the isolation unit comprises an energy storage inductor, a second diode, a third capacitor and a third diode; one end of the energy storage inductor is connected with the cathode of the second diode and the output end of the switch unit respectively, the other end of the energy storage inductor is connected with one end of the third capacitor and the anode of the third diode, and the anode of the second diode and the other end of the third capacitor are grounded respectively; and the cathode of the third diode is connected with the anode of the xenon lamp.
6. An intense pulse light driving power supply for a xenon lamp according to claim 1, wherein:
and a thermistor and a fuse are respectively arranged between the mains supply and the rectifying circuit.
7. An intense pulse light driving power supply for a xenon lamp according to claim 6, wherein:
and a common mode rejection circuit is arranged between the thermistor and the rectifying circuit and between the fuse and the rectifying circuit.
8. An intense pulse light driving power supply for a xenon lamp according to claim 7, wherein:
the common mode suppression circuit comprises a fourth capacitor, a common mode inductor, a fifth capacitor and a sixth capacitor, one end of the fourth capacitor is connected with one end of a winding of the common mode inductor, the other end of the winding is respectively connected with one end of the fifth capacitor and one input end of the rectification circuit, the other end of the fourth capacitor is connected with one end of the other winding of the common mode inductor, and the other end of the winding is respectively connected with one end of the sixth capacitor and the other input end of the rectification circuit; and the other ends of the fifth capacitor and the sixth capacitor are respectively grounded.
9. An intense pulse light driving power supply for a xenon lamp according to claim 2, wherein:
the energy storage capacitor is provided with a second leakage resistor, one end of the second leakage resistor is connected with the anode of the energy storage capacitor and the switch end of the switch unit respectively, and the other end of the second leakage resistor is connected with the cathode of the energy storage capacitor.
10. A photon skin tendering machine comprises a host and a hand tool, wherein the host is connected with the hand tool through a cable; the high-intensity pulse light driving power supply is characterized in that a high-voltage generating part and a xenon lamp are arranged in the hand tool, the strong pulse light driving power supply according to any one of claims 1-9 is arranged in the main machine, and the strong pulse light driving power supply is connected with the xenon lamp.
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| CN201921632278.5U CN210518138U (en) | 2019-09-28 | 2019-09-28 | Strong pulse light driving power supply for xenon lamp and corresponding photon skin tendering machine |
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| CN201921632278.5U CN210518138U (en) | 2019-09-28 | 2019-09-28 | Strong pulse light driving power supply for xenon lamp and corresponding photon skin tendering machine |
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