CN117856365A - Charging system and shock wave equipment - Google Patents

Abstract

The application relates to the technical field of medical equipment, in particular to a charging system and a shock wave device, wherein the charging system comprises a charging control module and a charging power supply module which are connected in parallel; the charging control module comprises a power controller and at least two paths of parallel electric isolation circuits; the charging power supply module comprises a charging switch module and a rectifying module which are connected in series; the input end of the power controller is used for receiving an initial charging modulation signal; the initial charging modulation signal generates a charging control signal after passing through the power controller, and the charging control signal is transmitted to the charging switch module through at least two paths of electrical isolation circuits so as to charge the shock wave generating device; the charging power supply module charges the shock wave generating device only when receiving the charging control signal, so that the effect of cooperatively controlling the charging control module and the charging power supply module is achieved; by arranging at least two paths of electrical isolation circuits, the frequency of sending the charging control signals is improved, and the charging frequency of the shock wave generating device is further improved.

Description

Charging system and shock wave equipment

Technical Field

The application relates to the technical field of medical equipment, in particular to a charging system and a shock wave device.

Background

The existing shock wave generating device applied to heart valves and vascular calcification has long charging time and low energy storage voltage, basically only can output pulse high voltage of about 3KV and frequency of 1Hz, so that in practical application, a shock wave generating point is required to be very close to a target position to obtain enough shock wave energy, and the device can only work in a low-frequency (1 time/second) state; meanwhile, since the frequency of the shock wave generating device is not adjustable, the existing shock wave generating device cannot be applied to different scenes, which affects the suitability of the existing shock wave generating device.

Based on the drawbacks of the prior art, there is an urgent need to provide a charging system and a shock wave device to solve the above problems.

Disclosure of Invention

In order to solve the technical problems, the application provides a charging system which is applied to a shock wave generating device and comprises a charging control module and a charging power supply module which are connected in parallel;

the charging control module comprises a power controller and at least two paths of parallel electric isolation circuits; the charging power supply module comprises a charging switch module and a rectifying module which are connected in series;

The input end of the power controller is used for receiving an initial charging modulation signal, the output end of the power controller is electrically connected with the input end of the electric isolation circuit, and the output end of the electric isolation circuit is electrically connected with the signal input end of the charging switch module;

the power input end of the charging switch module is electrically connected with a charging power supply, and the output end of the charging switch module is electrically connected with the rectifying module;

the initial charging modulation signal is transmitted to the charging switch module through at least two paths of electric isolation circuits after passing through the power controller, and the charging switch module is conducted in response to the charging control signal so as to charge the shock wave generating device.

Further, the power controller is configured to perform an up-conversion process on the initial charge modulation signal, where a signal frequency of the charge control signal is higher than the initial charge modulation signal.

Further, the charging control signal comprises at least two paths of charging control sub-signals with different phases, and the at least two paths of charging control sub-signals are respectively transmitted to the charging switch module through the at least two paths of electrical isolation circuits;

The charging switch module is used for respectively carrying out frequency-up processing on the at least two paths of charging control sub-signals so as to output at least two paths of target control signals, and the signal frequency of the target control signals is higher than that of the charging control sub-signals.

Further, each electrical isolation circuit in the at least two paths of electrical isolation circuits comprises two paths of parallel electrical isolation branches;

the charging switch module comprises at least four signal input ends, and the electric isolation branches are arranged in one-to-one correspondence with the signal input ends.

Further, the electric isolation branch circuit comprises an isolation unit, a switching circuit and an independent power supply, wherein the input end of the isolation unit is electrically connected with the power controller, and the switching circuit is electrically connected with the isolation unit, the independent power supply and the charging switch module respectively.

Further, the charging power supply module further comprises a first voltage transformation device, the first voltage transformation device is connected with the charging switch module and the rectifying module in series, and the input end voltage of the first voltage transformation device is smaller than the output end voltage of the first voltage transformation device.

Further, the charging control module further comprises a first charging isolation circuit connected in series with the power controller, wherein the first charging isolation circuit is used for receiving the initial charging modulation signal and transmitting the initial charging modulation signal to the power controller.

Further, the charging control module further comprises a voltage acquisition circuit;

the voltage acquisition circuit is used for being electrically connected with the shock wave generating device, and is used for detecting the energy storage voltage of the shock wave generating device and outputting a voltage feedback signal based on the energy storage voltage.

Further, the charging power supply module further comprises a second isolation power supply, and the charging power supply, the second isolation power supply and the charging switch module are sequentially connected in series.

Further, the charging system further comprises a charging trigger module, the input end of the charging trigger module is electrically connected with the output end of the charging switch module, the output end of the charging trigger module is electrically connected with the output end of the rectifying module, and the charging trigger module is used for controlling the rectifying module and the shock wave generating device to be in a conducting state when receiving a target control signal sent by the charging switch module so as to charge the shock wave generating device.

In another aspect the present application also provides a shock wave device comprising a shock wave generating means and a charging system as described above;

the charging system is electrically connected with the shock wave generating device and is used for charging the shock wave generating device.

The implementation of the embodiment of the application has the following beneficial effects:

the charging control module and the charging power supply module are arranged at the same time, and the charging power supply module charges the shock wave generating device when receiving a charging control signal sent by the charging control module, so that the charging control module and the charging power supply module work cooperatively with each other, and the effect of cooperatively controlling the charging control module and the charging power supply module is achieved; meanwhile, by arranging at least two paths of electrical isolation circuits, the frequency of the charging control signals sent by the charging control module to the charging power supply module is improved, so that the charging frequency of the charging power supply module to the shock wave generating device is improved, and the shock wave transmitting frequency is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the following description will make a brief introduction to the drawings used in the description of the embodiments or the prior art. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the application and that other drawings may be derived from them without undue effort.

Fig. 1 is a block diagram of a charging system according to an embodiment of the present application;

Fig. 2 is a block diagram of another charging system according to an embodiment of the present application;

fig. 3 is a structural diagram of a charging switch module according to an embodiment of the present application;

fig. 4 is a partial structure diagram of a charging system according to an embodiment of the present application;

fig. 5 is a block diagram of a charging trigger module according to an embodiment of the present application;

fig. 6 is a block diagram of another charging system according to an embodiment of the present application.

Wherein, the reference numerals in the figures correspond to:

1-a charge control module; 2-a charging power supply module; 3-a shock wave generating device; 4-a charging trigger module; 11-a first charge isolation circuit; 12-a power controller; 13-an electrically isolated branch; 21-isolating the power supply; 22-a charge switch module; 23-a first voltage transformation device; 24-rectifying module; 25-a charging power supply; 26-a charging circuit; 41-a rectifying circuit; 42-optocoupler; a 43-thyristor; 44-a third transformer; 45-pulse switching circuit; 131-an isolation unit; 132-a switching circuit; 133-independent power supply; 221-a first voltage output terminal; 222-a second voltage output.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The prior art has the following disadvantages: the existing shock wave generating device can be used for treating heart valves and vascular calcification, the shock wave generating device of the existing shock wave generating device has long charging time and low energy storage voltage, basically only can output about 3KV and pulse high voltage with the frequency of 1Hz, so that in practical application, the shock wave generating point is required to be very close to a target position to obtain enough shock wave energy, and the shock wave generating device can only work in a low-frequency (1 time/second) state; meanwhile, since the frequency of the shock wave generating device is not adjustable, the existing shock wave generating device cannot be applied to different scenes, which affects the suitability of the existing shock wave generating device.

Aiming at the defects of the prior art, the charging control module and the charging power supply module are arranged at the same time, and the charging power supply module charges the shock wave generating device when receiving a charging control signal sent by the charging control module, so that the charging control module and the charging power supply module work cooperatively with each other, and the effect of cooperatively controlling the charging control module and the charging power supply module is achieved; meanwhile, by setting at least two paths of electrical isolation circuits, the frequency of a charging control signal sent by a charging control module to a charging power supply module is improved, the charging frequency of the charging power supply module to the shock wave generating device is further improved, meanwhile, the isolation power supply is boosted by setting a first voltage transformation device, the charging voltage of the charging power supply module to the shock wave generating device is improved, and the shock wave generating device releases more times of shock wave energy in unit time.

Referring to fig. 1 to 6, the present embodiment provides a charging system and a shock wave device, which are applied to a shock wave generating device 3, and include a charging control module 1 and a charging power supply module 2 connected in parallel; the charging control module 1 comprises a power controller 12 and at least two parallel electric isolation circuits; the charging power supply module 2 includes a charging switch module 22 and a rectifying module 24 connected in series; the input end of the power controller 12 is used for receiving an initial charging modulation signal, the output end of the power controller 12 is electrically connected with the input end of an electric isolation circuit, and the output end of the electric isolation circuit is electrically connected with the signal input end of the charging switch module 22; the power input end of the charging switch module 22 is electrically connected with a charging power supply, and the output end of the charging switch module 22 is electrically connected with the rectifying module 24; the initial charge modulation signal is passed through the power controller 12 to generate a charge control signal, and is transmitted to the charge switch module 22 through at least two paths of electrical isolation circuits, and the charge switch module 22 is turned on in response to the charge control signal to charge the shock wave generating device 3.

It should be noted that: in this embodiment, the charging control module 1 and the charging power supply module 2 are simultaneously provided, and the charging power supply module 2 charges the shock wave generating device 3 when receiving the charging control signal sent by the charging control module 1, so that the charging control module 1 and the charging power supply module 2 work cooperatively with each other, and the effect of controlling the charging control module 1 and the charging power supply module 2 cooperatively is achieved; meanwhile, by arranging at least two paths of electrical isolation circuits, the frequency of the charging control signals sent by the charging control module 1 to the charging power supply module 2 is improved, so that the charging frequency of the charging power supply module 2 to the shock wave generating device 3 is further improved, and the shock wave generating frequency is further improved.

Also to be described is: when the charging switch module 22 receives the charge control signal and is turned on, the charging switch module 22 carries out frequency-raising processing on the charge control signal to obtain at least two paths of charge control sub-signals after frequency raising, and charges the shock wave generating device 3 based on the rectified voltage and the at least two paths of charge control sub-signals, so that the shock wave generating device 3 works at high voltage and high frequency, and further, the shock wave generating device 3 releases more times of shock wave energy in unit time.

In this embodiment, the leakage current of the shock wave generating device 3 in the normal working state may be 0.002 milliamp-0.006 milliamp, and the dielectric strength of the charging system may be 15KV.

In some possible embodiments, the power controller 12 is configured to up-convert the initial charge modulation signal, where the signal frequency of the charge control signal is higher than the initial charge modulation signal.

Specifically, the power controller 12 is a PWM controller, and the initial charge modulation signal is a signal sent by the microcontroller; and the PWM controller is used for carrying out frequency-raising treatment on the initial charging modulation signal to obtain a charging control signal so as to greatly enhance the capacity of the charging system for driving a load. In one embodiment, the PWM controller may output at least two different phase charging control signals, which may be 180 ° out of phase, and the charging control signals may be square wave signals.

In one embodiment, the power controller 12 comprises a control chip and a configuration circuit thereof, wherein an initial modulation signal is connected with a soft start pin of the chip, when the current of the initial charging modulation signal is too large, the control chip is enabled to stop oscillating instantaneously, the effective current is reduced, and the power controller 12 is prevented from being damaged due to overload. Meanwhile, the configuration circuit at least comprises an oscillator trigger, the oscillator generates sawtooth wave oscillation through an external time base capacitor and a resistor, and simultaneously generates a clock pulse signal, and the pulse width of the clock pulse signal corresponds to the falling edge of the sawtooth wave. The clock pulse is used as a trigger signal of a phase splitter consisting of flip-flops to generate a pair of square wave signals having a phase difference of 180 °.

Specifically, the control chip may be SG3523.

More specifically, since the output capability of the microcontroller is limited, the square wave signal with too high frequency cannot be directly generated, and the square wave signal is further amplified by the power controller 12, so that the capability of the charging system to drive the load is greatly enhanced.

In some possible embodiments, the charging control signal includes at least two charging control sub-signals with different phases, and each charging control sub-signal is transmitted to the charging switch module 22 through at least two electrical isolation branches 13; the charging switch module 22 is configured to perform an up-conversion process on at least two paths of charging control sub-signals, so as to output at least two paths of target control signals, where the signal frequency of the target control signals is higher than that of the charging control sub-signals.

It should be noted that: in this embodiment, the power controller 12 performs primary frequency amplification on the initial charge modulation signal to obtain a charge control signal; the charging control signal is subjected to secondary frequency amplification through at least two paths of electrical isolation circuits to obtain a target control signal, namely the signal is subjected to multiple frequency boosting in sequence, so that the high-frequency charging of the shock wave generating device 3 can be realized in the embodiment.

In some possible embodiments, the charging power supply module 2 further includes a first voltage transformation device 23, the first voltage transformation device 23 is connected in series with the charging switch module 22 and the rectifying module 24, and an input terminal voltage of the first voltage transformation device 23 is smaller than an output terminal voltage of the first voltage transformation device 23; at the same time of raising the charging frequency, the output voltage of the first voltage transformation device 23 is subjected to boosting treatment, so that the charging voltage of the charging power supply module 2 to the shock wave generating device 3 is raised, and the shock wave generating device 3 releases more shock wave energy in unit time.

In some possible embodiments, each of the at least two electrical isolation circuits comprises two parallel electrical isolation branches 13; the charging switch module 22 comprises at least four signal input ends, and the electric isolation branches 13 are arranged in one-to-one correspondence with the signal input ends; the charging switch module 22 is controlled by the plurality of electric isolation branches 13, so that leakage current in the charging process of the shock wave generating device 3 is effectively reduced, the shock wave generating device 3 can be directly applied to the heart, the dielectric strength of a charging system is greatly improved, the safety of the whole charging system under high working voltage is ensured, and the shock wave generating device 3 cannot cause negative influence on a human body.

At least two paths of charging control sub-signals output at least four paths of charging control sub-signals after passing through at least two paths of electrical isolation circuits; the charging switch module 22 is configured to receive at least four charging control sub-signals based on at least four signal input terminals, and perform a pairwise merging process on the at least four charging control sub-signals, so as to output at least two target control signals.

In some possible embodiments, the charge switch module 22 includes a first voltage output 221, a second voltage output 222, and at least two signal receiving circuits; the first voltage output end 221 and the second voltage output end 222 are electrically connected with the first voltage transformation device 23, and the first voltage output end 221 and the second voltage output end 222 are used for supplying power to the first voltage transformation device 23; the number of the signal receiving circuits corresponds to that of the electrical isolation circuits, and each signal receiving circuit is used for receiving two paths of charging control sub-signals and controlling the first voltage output end 221 and the second voltage output end 222 to supply power to the first voltage transformation device 23 after receiving the two paths of charging control sub-signals.

It should be noted that: in this embodiment, at least four paths of charging control sub-signals are sent to the charging switch module 22, and at least two target control signals are obtained through processing of at least two signal receiving circuits in the charging switch module 22; the frequency of charging the shock wave generating device 3 based on at least two target control signals in unit time is obviously higher than the frequency of charging the shock wave generating device 3 based on one control signal in unit time in the prior art; at least four paths of charging control sub-signals are processed by the signal receiving circuit to obtain at least two target control signals so as to realize two-stage frequency raising, realize high-frequency charging of the shock wave generating device 3 in unit time and ensure that the shock wave generating device 3 releases more shock wave energy in unit time.

Specifically, the signal receiving circuit comprises a first IGBT module and a second IGBT module, wherein the first IGBT module is used for receiving one path of charging control sub-signals, the second IGBT module is used for receiving the other path of charging control sub-signals, and the two paths of charging control sub-signals belong to in-phase signals.

Further, when the first IGBT module receives one charge control sub-signal and the second IGBT module receives another charge control sub-signal, the first voltage output 221 and the second voltage output 222 supply power to the first voltage transformation device 23.

Specifically, referring to fig. 3 and 4, when the charge switch module 22 includes two signal receiving circuits, the first IGBT module of one signal receiving circuit corresponds to Q01, and the second IGBT module corresponds to Q04; the first IGBT module of the other signal receiving circuit corresponds to Q02, and the second IGBT module corresponds to Q03; when a signal receiving circuit is conducted to output square waves, Q01 and Q04 are conducted, X=VD+, Y=VD-, and positive square waves are arranged between XY; when the other signal receiving circuit is conducted to output square waves, Q02 and Q03 are conducted, X=VD-, Y=VD+, negative square waves are arranged between XY, and therefore the charging control signal is amplified again through the IGBT module signals to obtain target control signals, and charging of the shock wave generating device 3 is directly controlled.

In some possible embodiments, referring to fig. 2, when the number of the electrical isolation circuits is two, and the number of the signal receiving circuits is also two, the two signal receiving circuits respectively receive two paths of charging control sub-signals, and after receiving corresponding charging control sub-signals, the two signal receiving circuits sequentially supply power to the first voltage transformation device 23, sequentially rectify the power through the first voltage transformation device 23 and then sequentially supply power to the shock wave generating device 3 in a high frequency manner after rectifying the power, so that the shock wave generating device 3 releases more times of shock wave energy in unit time; meanwhile, the frequency of the shock wave generated by the shock wave generating device 3 can be adjusted, and the leakage current of the whole charging system can be ensured to be within a safe range, namely, the leakage current of the shock wave generating device 3 in a normal working state is controlled to be 0.002 milliamp-0.006 milliamp, so that the dielectric strength of the whole charging system can be controlled to be 15KV.

In other possible embodiments, the number of the electrical isolation circuits is three, when the number of the signal receiving circuits is also three, the three-way signal receiving circuits respectively receive two paths of charging control sub-signals, the three-way signal receiving circuits sequentially supply power to the first voltage transformation device 23 after receiving corresponding charging control sub-signals, the first voltage transformation device 23 sequentially rectifies the charging control sub-signals through the rectification module 24, and sequentially supplies high-frequency power to the shock wave generating device 3 after rectifying, so that the shock wave generating device 3 releases more times of shock wave energy in unit time; when the electrical isolation circuits are three paths, the shock wave frequency released by the shock wave generating device 3 in unit time is higher than the frequency when the number of the electrical isolation circuits is two paths, namely, the more the number of the electrical isolation circuits is in a reasonable range, the more shock wave energy is released by the shock wave generating device 3 in unit time.

The charging frequency can reach 30Hz when the number of the electric isolation circuits is two, and can reach 50Hz when the number of the electric isolation circuits is three, and the like, and it is to be noted that when the charging frequency is increased, the volume of the corresponding charging system is increased, and then the leakage current of the whole charging system is increased, so that when the number of the electric isolation circuits is set based on actual requirements, the charging frequency can meet the normal operation of the shock wave generating device 3, and the leakage current of the whole charging system can be controlled within the safety standard range meeting the medical electrical equipment. Therefore, the number of conductive electrical isolation circuits is not limited in this embodiment.

The normal working voltage of the shock wave generating device 3 may be equal to or greater than 10KV, so as to reduce the leakage current on the surface of the shock wave generating device 3 with the working voltage equal to or greater than 10KV, so as to ensure that the shock wave generating device 3 can be directly applied to heart valves and the like, greatly improve the dielectric strength of a charging system, ensure the safety of the whole charging system under high working voltage, and ensure that the shock wave generating device 3 cannot negatively affect the human body.

In some possible embodiments, the electrical isolation branch 13 includes an isolation unit 131, a switching circuit 132, and an independent power supply 133, the input end of the isolation unit 131 is electrically connected to the power controller 12, and the switching circuit 132 is electrically connected to the isolation unit 131, the independent power supply 133, and the charging switch module 22, respectively; by using each electrical isolation branch 13 with its corresponding independent power supply 133, leakage current released by the isolation unit 131 can be effectively reduced, and effective control of the charging switch module 22 is ensured; if an independent power supply 133 is used to supply power to the multiple paths of electrical isolation branches 13 simultaneously, the leakage current of the electrical isolation circuit is greatly increased, so that the stability of the charging system in the charging process cannot be ensured, and the safety performance of the shock wave generating device 3 when releasing shock waves is affected.

Specifically, the switch circuit 132 is configured to isolate the isolation unit 131 from the independent power supply 133, and when the isolation unit 131 fails, the current switch circuit 132 is timely turned off to avoid affecting the independent power supply 133 or other electrical isolation branches 13; when the independent power supply 133 fails, the current switching circuit 132 is cut off in time, so that the isolation unit 131 or other electrical isolation branches 13 are prevented from being affected; meanwhile, an independent power supply 133 is arranged in each electric isolation branch 13, so that the respective work of the electric isolation branches 13 can be guaranteed not to be affected mutually, the running stability of the charging system is guaranteed, the switch circuit 132 is also used for carrying out electric isolation with a rear-end circuit, the interference of high voltage and high frequency to the front end is avoided, and the running stability of the charging system is further guaranteed.

Illustratively, when two parallel electrical isolation branches 13 in the electrical isolation circuit are turned on under the control of the switch circuit 132, a corresponding signal receiving circuit in the charging switch module 22 electrically connected with the two parallel electrical isolation branches is turned on to generate a target control signal, so as to directly control charging of the shock wave generating device 3; and the on/off of the signal receiving circuit in the charging switch module 22 can be controlled by the on/off of the switch circuit 132, so that the charging frequency of the shock wave generating device 3 can be adjusted, and the suitability of the shock wave generating device 3 can be improved.

Furthermore, the isolation unit 131 comprises an optocoupler, a mos transistor and a triode, the power supply used by the components is an independent power supply, and the optocoupler, the mos transistor and the triode electrically isolate the output signal of the power generator 12 from the rear end thereof, so as to avoid the interference of the high-voltage high-frequency part to the front end and improve the running stability of the charging system.

In other possible embodiments, each of the at least two electrical isolation circuits comprises at least two parallel electrical isolation branches 13; the charging switch module 22 includes at least four signal input terminals, and the electrical isolation branches 13 are disposed in one-to-one correspondence with the signal input terminals.

Specifically, each electrical isolation circuit includes three parallel electrical isolation branches 13, and each electrical isolation circuit is opened or closed by the respective control switch circuit 132 of the three electrical isolation branches 13, so that two electrical isolation branches 13 in each electrical isolation circuit are ensured to keep a closed state, which avoids that when the isolation unit 131 or the independent power supply 133 in one electrical isolation branch 13 fails, the three parallel electrical isolation branches 13 cannot be ensured to supply power to the first voltage transformation device 23 after passing through the charging switch module 22, that is, the shock wave generating device 3 cannot be ensured to release shock wave energy according to a preset high frequency, and the stability of the charging system is improved to a certain extent.

In some possible embodiments, the charge control module 1 further comprises a first charge isolation circuit 11 connected in series with the power controller 12, the first charge isolation circuit 11 being configured to receive the initial charge modulation signal and transmit it to the power controller 12.

Specifically, the first charge isolation circuit 11 is configured to isolate the initial charge modulation signal from the power controller 12, so as to avoid potential safety hazards caused by charging the shock wave generating device 3 without receiving the initial charge modulation signal, and also avoid the influence of peak voltage on the initial charge modulation signal during high-voltage operation, which causes that the initial charge modulation signal cannot drive the power controller 12 to operate due to too small current.

Furthermore, the first charge isolation circuit 11 includes an optocoupler, and the first charge isolation circuit 11 is configured to isolate an initial charge modulation signal sent by the microcontroller from a charge control signal at the rear end, so as to avoid interference of peak voltage to the microcontroller during high-voltage operation; if the spike voltage during the high-voltage operation interferes with the microcontroller, the microcontroller will be damaged, and the initial charge modulation signal generated by the microcontroller is too small, which finally results in that the initial charge modulation signal cannot drive the power controller 12 to operate.

In some possible embodiments, the charge control module 1 further comprises a voltage acquisition circuit; the voltage acquisition circuit is used for being electrically connected with the shock wave generating device 3, and the voltage acquisition circuit is used for detecting the energy storage voltage of the shock wave generating device 3 and outputting a voltage feedback signal based on the energy storage voltage.

Specifically, the voltage acquisition circuit is further electrically connected to the first charging isolation circuit 11, and when the voltage of the shock wave generating device 3 is within the normal operation range, the first charging isolation circuit 11 is controlled to receive the initial charging modulation signal and transmit the initial charging modulation signal to the power controller 12; when the voltage of the shock wave generating device 3 is in the abnormal operation range, the first charging isolation circuit 11 is controlled not to receive the initial charging modulation signal, and the subsequent high-frequency charging of the shock wave generating device 3 cannot be performed at the moment, so that the problem that the shock wave generating device 3 fails and the potential safety hazard is caused due to the fact that the shock wave generating device 3 is charged is avoided.

In some possible embodiments, the charging power supply module 2 further comprises an isolated power supply 21, and the charging power supply 25, the isolated power supply 21 and the charging switch module 22 are connected in series in sequence.

In some possible embodiments, the charging power supply 25 is 220V ac, and the charging power supply module 2 further includes a second voltage transformation device; the second transformer is used to convert the ac power of the charging power source 25 into dc power for the isolation power source 21, and the voltage of the dc power may be 90-360V.

Further, the charging system further includes a charging trigger module 4, an input end of the charging trigger module 4 is electrically connected with an output end of the charging switch module 22, an output end of the charging trigger module 4 is electrically connected with an output end of the rectifying module 24, and the charging trigger module 4 is configured to control the rectifying module 24 and the shock wave generating device 3 to be in a conducting state when receiving a target control signal sent by the charging switch module 22, so as to charge the shock wave generating device 3.

Specifically, the charging power supply module 2 further includes a charging circuit 26, where the charging circuit 26 is configured to receive the voltage delivered by the rectifying circuit 24 and charge the shock wave generating device 3; the charging circuit 26 is connected in series with the rectifying module 24 and the shock wave generating device 3 respectively, and the charging circuit 26 is further electrically connected with the charging trigger module 4, and the charging trigger module 4 is used for controlling the on or off of the charging circuit 26 so as to control the charging circuit 26 to charge the shock wave generating device 3.

In some possible embodiments, the input of the charge triggering module 4 is also connected to a charging power supply 25, so that the charging power supply 25 supplies energy to the charge triggering module 4. The input end of the second voltage transformation device is connected with the charging power supply 25, the output end of the second voltage transformation device is respectively connected with the input end of the charging trigger module 4 and the input end of the isolation power supply 21, the second voltage transformation device is used for dividing alternating current output by the charging power supply 25 into two paths of output, and the output voltage of the charging power supply 25 can be 220V, the alternating current output by the charging power supply 25 can be divided into alternating current with the voltage value of 170V and alternating current with the voltage value of 11V through the second voltage transformation device, wherein the alternating current with the voltage value of 170V acts on the isolation power supply 21, and the alternating current with the voltage value of 11V is used for providing energy for the charging trigger module 4 so as to ensure that the charging power supply module 2 and the charging trigger module 4 normally operate.

Specifically, the 170V alternating current outputted from the charging power supply 25 is applied to the charging control module 1 through the second transformation device, so that the charging control module 1 can normally operate.

In an alternative embodiment, the charging trigger module 4 includes an optocoupler 42 and a pulse switching circuit 45; the optocoupler 42 is connected to the pulse switch circuit 45, the pulse switch circuit 45 is connected to the charging circuit 26, and the optocoupler 42 is configured to control the pulse switch circuit 45 to be turned on based on the received target control signal, so that the charging circuit 26 charges the shock wave generating device 3.

Specifically, the pulse switch circuit 45 is connected to the charging circuit 26, and when the pulse switch circuit 45 is turned on, the charging circuit 26 is turned on with the shock wave generating device 3, so that the charging circuit 26 charges the shock wave generating device 3.

Further, the charging trigger module 4 further comprises a rectifying circuit 41, a thyristor 43 and a third transformer 44, wherein an optocoupler 42 is connected with the charging power supply 25 through the rectifying circuit 41, and the optocoupler 42 is sequentially connected with the thyristor 43, the third transformer 44 and the pulse switch circuit 45.

In this embodiment, the rectifying circuit 41 is configured to convert an ac current output by the charging power supply 25 into a dc circuit, so as to provide energy for the optocoupler 42, when the optocoupler 42 receives a target control signal, the optocoupler 42 is turned on to make the thyristor 43 in a conductive state, and then the third transformer 44 is driven to generate a charging signal, and the pulse switch circuit 45 is turned on when the pulse switch circuit 45 receives the charging signal, and at this time, the charging circuit 26 is in communication with the shock wave generating device 3, so that the charging circuit 26 charges the shock wave generating device 3.

In some possible embodiments, the shock wave generating means 3 comprises a plurality of electrodes; wherein, the plurality of electrodes are all connected with a charging circuit 26, and the charging circuit 26 is used for controlling at least one electrode to generate shock waves; the charging circuit 26 controls the electrodes at different numbers and different positions to release the shock wave energy, so that shock waves with different energy values are formed, the release positions of the shock waves and the treatment modes can be accurately controlled, and different treatment modes are configured for different target areas, so that the treatment effect is improved.

Signal transmission process of the charging system when charging the shock wave generating device 3: when the shock wave generating device 3 needs to be charged at high frequency and high voltage, the microcontroller sends an initial charging modulation signal to the power controller 12, the power controller 12 processes the initial charging modulation signal to obtain at least four paths of charging control sub-signals, and the at least four paths of charging control sub-signals are sent to the charging switch module 22; the charging power supply 25 is subjected to transformation treatment to obtain direct current, and the direct current is applied to the charging switch module 22; upon receiving at least four charge control sub-signals and direct current, the charge switch module 22 is controlled to process the at least four charge control sub-signals so that the signal receiving circuits are turned on, and obtain target control signals corresponding to the number of the signal receiving circuits, and the shock wave generating device 3 is charged at high frequency based on the at least two target control signals and the direct current.

In another aspect the present application also provides a shock wave device comprising a shock wave generating means 3 and a charging system as above; the charging system is electrically connected with the shock wave generating device 3 and is used for charging the shock wave generating device 3.

It is noted that the shock waves generated by the shock wave device may include, but are not limited to, applications in the treatment of heart valve calcification and in the treatment of endovascular calcification.

Example 1

The embodiment provides a charging system which is applied to a shock wave generating device 3 and comprises a charging control module 1 and a charging power supply module 2 which are connected in parallel; the charging control module 1 comprises a power controller 12 and at least two parallel electric isolation circuits; the charging power supply module 2 includes a charging switch module 22 and a rectifying module 24 connected in series; the input end of the power controller 12 is used for receiving an initial charging modulation signal, the output end of the power controller 12 is electrically connected with the input end of an electric isolation circuit, and the output end of the electric isolation circuit is electrically connected with the signal input end of the charging switch module 22; the power input end of the charging switch module 22 is electrically connected with a charging power supply, and the power output end of the charging switch module 22 is electrically connected with the rectifying module 24; the initial charge modulation signal is transmitted to the charge switch module 22 through at least two paths of electrical isolation circuits after passing through the power controller 12, and the charge switch module 22 is used for responding to the charge control signal to conduct so as to charge the shock wave generating device 3.

Specifically, each of the two electrical isolation circuits includes two parallel electrical isolation branches 13.

Specifically, the electrical isolation branch 13 includes an isolation unit 131, a switching circuit 132, and an independent power supply 133 sequentially connected in series, an input end of the isolation unit 131 is electrically connected to the power controller 12, and the switching circuit 132 is electrically connected to the isolation unit 131, the independent power supply 133, and the charging switch module 22, respectively.

Further, the isolation unit 131 includes an optocoupler, a mos transistor, and a triode.

Specifically, the charging switch module 22 includes a first voltage output terminal 221, a second voltage output terminal 222, and two signal receiving circuits; the first voltage output end 221 and the second voltage output end 222 are electrically connected with the first voltage transformation device 23, and the first voltage output end 221 and the second voltage output end 222 are used for supplying power to the first voltage transformation device 23; the number of the signal receiving circuits corresponds to that of the electrical isolation circuits, and each signal receiving circuit is used for receiving two paths of charging control sub-signals and controlling the first voltage output end 221 and the second voltage output end 222 to supply power to the first voltage transformation device 23 after receiving the two paths of charging control sub-signals.

Specifically, the signal receiving circuit comprises a first IGBT module and a second IGBT module, wherein the first IGBT module is used for receiving one path of charging control sub-signal, and the second IGBT module is used for receiving the other path of charging control sub-signal.

Specifically, the charging control signal includes two paths of charging control sub-signals with different phases, the two paths of charging control sub-signals respectively pass through two paths of electrical isolation circuits to obtain four paths of charging control sub-signals, and the four paths of charging control sub-signals are transmitted to the charging switch module 22; the charging switch module 22 is configured to perform up-conversion processing on the four charging control sub-signals respectively, so as to output two target control signals, where the signal frequency of the target control signals is higher than that of the charging control sub-signals.

Specifically, the charging control module 1 further includes an isolation circuit, a voltage acquisition circuit, and a first charging isolation circuit 11 connected in series with the power controller 12; the isolation circuit is used for isolating the initial charging modulation signal, the voltage acquisition circuit is used for being electrically connected with the shock wave generating device 3, the voltage acquisition circuit is used for detecting the energy storage voltage of the shock wave generating device 3 and outputting a voltage feedback signal based on the energy storage voltage, and the voltage acquisition circuit is also electrically connected with the first charging isolation circuit 11; the first charge isolation circuit 11 is configured to receive the initial charge modulation signal and transmit the initial charge modulation signal to the power controller 12.

Further, the charging power supply 25 is 220V ac, and the charging power supply module 2 further comprises a second voltage transformation device; the second transformer is used to convert the alternating current of the charging power supply 25 into direct current of 90-360V to act on the isolated power supply 21.

Further, the charging system further includes a charging trigger module 4, an input end of the charging trigger module 4 is electrically connected with an output end of the charging switch module 22, an output end of the charging trigger module 4 is electrically connected with an output end of the rectifying module 24, and the charging trigger module 4 is configured to control the rectifying module 24 and the shock wave generating device 3 to be in a conducting state when receiving a target control signal sent by the charging switch module 22, so as to charge the shock wave generating device 3.

Further, the input of the charging trigger module 4 is also connected to a charging source 25. The input end of the second voltage transformation device is connected with the charging power supply 25, and the output end of the second voltage transformation device is respectively connected with the input end of the charging trigger module 4 and the input end of the isolation power supply 21.

Specifically, the charging trigger module 4 includes a rectifying circuit 41, a thyristor 43, a third transformer 44, an optocoupler 42, and a pulse switching circuit 45; the optocoupler 42 is connected with the charging power supply 25 through the rectifying circuit 41, the optocoupler 42 is sequentially connected with the thyristor 43, the third transformer 44 and the pulse switch circuit 45, the optocoupler 42 is connected with the pulse switch circuit 45, the pulse switch circuit 45 is connected with the charging circuit 26, and the optocoupler 42 is used for controlling the pulse switch circuit 45 to be conducted based on the received target control signal, so that the charging circuit 26 charges the shock wave generating device 3.

Specifically, the charging power supply module 2 further includes a first transformer 23, an isolation power supply 21, and a charging circuit 26, and the charging power supply 25, the isolation power supply 21, and the charging switch module 22 are sequentially connected in series; the first voltage transformation device 23 is connected in series with the charging switch module 22 and the rectifying module 24, and the input end voltage of the first voltage transformation device 23 is smaller than the output end voltage of the first voltage transformation device 23; the charging circuit 26 is connected in series with the rectifying module 24 and the shock wave generating device 3 respectively, and the charging circuit 26 is further electrically connected with the charging trigger module 4, and the charging trigger module 4 is used for controlling the on or off of the charging circuit 26 so as to control the charging circuit 26 to charge the shock wave generating device 3.

While the present application has been described in terms of preferred embodiments, the present application is not limited to the embodiments described herein, but includes various changes and modifications made without departing from the scope of the present application.

In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the protection sought herein.

The embodiments and features of the embodiments described herein can be combined with each other without conflict.

The foregoing disclosure is merely illustrative of a preferred embodiment of the present application and is not intended to limit the scope of the claims herein, as equivalent changes may be made in the claims herein without departing from the scope of the claims herein.

Claims (11)

1. A charging system applied to a shock wave generating device (3), characterized by comprising a charging control module (1) and a charging power supply module (2) which are connected in parallel;

the charging control module (1) comprises a power controller (12) and at least two parallel electric isolation circuits; the charging power supply module (2) comprises a charging switch module (22) and a rectifying module (24) which are connected in series;

the input end of the power controller (12) is used for receiving an initial charging modulation signal, the output end of the power controller (12) is electrically connected with the input end of the electrical isolation circuit, and the output end of the electrical isolation circuit is electrically connected with the signal input end of the charging switch module (22);

the power input end of the charging switch module (22) is electrically connected with a charging power supply (25), and the output end of the charging switch module (22) is electrically connected with the rectifying module (24);

The initial charging modulation signal is transmitted to the charging switch module (22) through at least two paths of electrical isolation circuits after passing through the power controller (12), and the charging switch module (22) is conducted in response to the charging control signal so as to charge the shock wave generating device (3).

2. The charging system according to claim 1, wherein the power controller (12) is configured to up-convert the initial charge modulation signal, and wherein the signal frequency of the charge control signal is higher than the initial charge modulation signal.

3. The charging system according to claim 1, wherein the charging control signal comprises at least two charging control sub-signals of different phases, the at least two charging control sub-signals being transmitted to the charging switch module (22) via the at least two electrical isolation circuits, respectively;

the charging switch module (22) is used for respectively carrying out up-conversion processing on the at least two paths of charging control sub-signals so as to output at least two paths of target control signals, and the signal frequency of the target control signals is higher than that of the charging control sub-signals.

4. A charging system according to claim 3, characterized in that each of the at least two electrical isolation circuits comprises two parallel electrical isolation branches (13);

The charging switch module (22) comprises at least four signal input ends, and the electric isolation branches (13) are arranged in one-to-one correspondence with the signal input ends.

5. The charging system according to claim 4, wherein the electrical isolation branch (13) comprises an isolation unit (131), a switching circuit (132) and an independent power supply (133), the input of the isolation unit (131) being electrically connected to the power controller (12), the switching circuit (132) being electrically connected to the isolation unit (131), the independent power supply (133) and the charging switch module (22), respectively.

6. Charging system according to any of claims 1-5, characterized in that the charging power supply module (2) further comprises a first voltage transforming device (23), the first voltage transforming device (23) being connected in series with the charging switch module (22) and the rectifying module (24), the input voltage of the first voltage transforming device (23) being smaller than the output voltage of the first voltage transforming device (23).

7. The charging system according to any one of claims 1-5, wherein the charging control module (1) further comprises a first charging isolation circuit (11) in series with the power controller (12), the first charging isolation circuit (11) being adapted to receive the initial charging modulation signal and to transmit to the power controller (12).

8. The charging system according to any one of claims 1-5, wherein the charging control module (1) further comprises a voltage acquisition circuit;

the voltage acquisition circuit is used for being electrically connected with the shock wave generating device (3), and is used for detecting the energy storage voltage of the shock wave generating device (3) and outputting a voltage feedback signal based on the energy storage voltage.

9. The charging system according to any one of claims 1-5, wherein the charging power supply module (2) further comprises an isolated power supply (21), the charging power supply (25), the isolated power supply (21) and the charging switch module (22) being connected in series in sequence.

10. The charging system according to claim 4, further comprising a charging trigger module (4), wherein an input end of the charging trigger module (4) is electrically connected to an output end of the charging switch module (22), an output end of the charging trigger module (4) is electrically connected to an output end of the rectifying module (24), and the charging trigger module (4) is configured to control, when receiving a target control signal sent by the charging switch module (22), a conduction state between the rectifying module (24) and the shock wave generating device (3) so as to charge the shock wave generating device (3).

11. A shock wave device, characterized by comprising a shock wave generating means (3) and a charging system according to any one of claims 1-10;

the charging system is electrically connected with the shock wave generating device (3), and is used for charging the shock wave generating device (3).