CN219271945U - Treatment equipment and multifunctional treatment device - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, and discloses a multifunctional treatment device provided by the utility model, which comprises: CPLD, electrotherapy unit, ultrasonic wave unit and laser unit, CPLD are connected with electrotherapy unit, ultrasonic wave unit and laser unit respectively. The electrotherapy unit comprises a power isolation unit, a constant voltage and constant current control unit and a half-bridge output circuit, wherein the first connecting ends of the power isolation unit and the constant voltage and constant current control unit are connected with the CPLD, the second connecting end of the constant voltage and constant current control unit is connected with the first connecting end of the half-bridge output circuit, and the second connecting end of the half-bridge output circuit is connected with the positive electrode plate. Therefore, the CPLD is respectively connected with the electrotherapy unit, the ultrasonic unit and the laser unit realize the simultaneous use of multiple treatment functions, in addition, the power isolation unit and the half-bridge output circuit replace a heavy transformer in the prior art to improve the treatment effect, and the constant voltage and constant current control unit realizes the constant voltage and constant current automatic conversion, so that burn is avoided.

Description

Treatment equipment and multifunctional treatment device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a treatment device and a multifunctional treatment device.

Background

At present, common rehabilitation medical equipment comprises electrotherapy equipment, ultrasonic treatment equipment, laser treatment equipment and the like, different treatment equipment independently exist, a plurality of functions of treatment cannot be simultaneously used, the treatment mode is single, the treatment channel is limited, and then the treatment part is limited.

Current electrotherapy devices are typically composed of microcontrollers, field-programmable gate arrays (Field-Programmable Gate Array, FPGA for short), digital-to-analog converters (D/a converters, DAC for short), waveform power amplifiers, and transformer outputs. The electrotherapy equipment output adopts heavy transformer output, and is bulky, and is with high costs, and the waveform quality is poor when low frequency rectangular wave output, leads to the waveform deformation serious, and then reduces the treatment result. Moreover, automatic switching of constant voltage and constant current cannot be realized in the current electrotherapy equipment, and if the protection measures are not in place in the process of using the electrotherapy equipment, treatment discomfort and even burn risks are easily caused.

Therefore, how to realize the simultaneous use of different treatment functions, and to improve the safety of the treatment equipment while reducing the cost, thereby improving the user experience is a problem to be solved by the person skilled in the art.

Disclosure of Invention

The utility model aims to provide a treatment device and a multifunctional treatment device, which can realize the simultaneous use of different treatment functions, reduce the cost, and improve the safety of the treatment device, thereby improving the user experience.

In order to solve the above technical problems, the present utility model provides a multifunctional therapeutic apparatus, comprising: CPLD, electrotherapy unit, ultrasonic unit and laser unit;

the CPLD is respectively connected with the electrotherapy unit, the ultrasonic unit and the laser unit and is used for outputting a digital driving signal to drive the electrotherapy unit and/or the ultrasonic unit and/or the laser unit to enter a working state;

the electrotherapy unit comprises a power isolation unit, a constant voltage and constant current control unit and a half-bridge output circuit, wherein the first connecting ends of the power isolation unit and the constant voltage and constant current control unit are connected with the CPLD, the second connecting end of the constant voltage and constant current control unit is connected with the first connecting end of the half-bridge output circuit, and the second connecting end of the half-bridge output circuit is connected with the positive electrode plate;

the power supply isolation unit is used for isolating positive and negative direct current power supplies, the constant voltage and constant current control unit is used for automatically switching between a constant voltage working mode and a constant current working mode when preset conditions are met, and the half-bridge output circuit is used for generating electrotherapy waveforms in a half-bridge driving mode and outputting the electrotherapy waveforms to the positive electrode plate.

The power isolation unit comprises a positive half-cycle power isolation module and a negative half-cycle power isolation module;

and the input ends of the positive half-cycle power supply isolation module and the negative half-cycle power supply isolation module are connected with the CPLD.

The constant voltage and constant current control unit comprises a positive half-cycle constant voltage and constant current control module and a negative half-cycle constant voltage and constant current control module, and the half-bridge output circuit comprises a positive half-cycle output circuit and a negative half-cycle output circuit;

the input ends of the positive half-cycle constant voltage and constant current control module and the negative half-cycle constant voltage and constant current control module are connected with the CPLD, the output ends of the positive half-cycle constant voltage and constant current control module and the negative half-cycle constant voltage and constant current control module are respectively connected with the input ends of the positive half-cycle output circuit and the negative half-cycle output circuit, and a public end generated by connecting the output ends of the positive half-cycle output circuit and the negative half-cycle output circuit is used as the output end of the half-bridge output circuit.

Wherein, the multifunctional therapeutic device further comprises: isolating the power supply and the isolation chip;

the input end of the isolation power supply is connected with the power supply, the output end of the isolation power supply is connected with the CPLD, the input end of the isolation chip is used as the input end of the multifunctional therapeutic device, and the output end of the isolation chip is connected with the CPLD.

Wherein, the multifunctional therapeutic device also comprises a filter inductor and a blocking capacitor;

the filter inductor is connected with the blocking capacitor in series, the other end of the filter inductor is connected with the output end of the half-bridge output circuit, and the other end of the blocking capacitor is connected with the positive electrode plate.

Wherein, the multifunctional therapeutic device further comprises: the device comprises a microcontroller, a waveform and current detection circuit and an electronic switch switching circuit;

the first connecting end of the microcontroller is connected with the output end of the waveform and current detection circuit, the second connecting end of the microcontroller is connected with the CPLD, the public end generated by connecting the input end of the waveform and current detection circuit with the first connecting end of the electronic switch switching circuit is connected with the positive electrode plate, the second connecting end of the electronic switch switching circuit is connected with the negative electrode of the ultrasonic treatment head, and the third connecting end of the electronic switch switching circuit is connected with the CPLD. Wherein, the liquid crystal display device comprises a liquid crystal display device,

the ultrasonic unit comprises an ultrasonic half-bridge driving circuit and an ultrasonic isolation transformer;

the input end of the ultrasonic half-bridge driving circuit is connected with the CPLD, the output end of the ultrasonic half-bridge driving circuit is connected with the input end of the ultrasonic isolation transformer, and the first output end and the second output end of the ultrasonic isolation transformer are respectively connected with the positive electrode and the negative electrode of the ultrasonic treatment head.

The laser unit comprises a laser isolation and integration circuit and a constant current source output circuit;

the input end of the laser isolation and integration circuit is connected with the CPLD, the output end of the laser isolation and integration circuit is connected with the input end of the constant current source output circuit, and the output end of the constant current source output circuit is connected with the laser treatment head.

In order to solve the technical problem, the application also provides a therapeutic device, which comprises N multifunctional therapeutic devices, M core processing main boards, a communication expansion board and a control unit;

the output end of each core processing main board is connected with a plurality of multifunctional treatment devices, and the input end of each core processing main board is connected with the control unit through the communication expansion board; wherein, N and M are natural numbers greater than 1.

The core processing main board comprises a microcontroller and an FPGA;

one end of the microcontroller is used as an input end of the core processing main board, the other end of the microcontroller is connected with one end of the FPGA, and the other end of the FPGA is used as an output end of the core processing main board.

The utility model provides a multifunctional treatment device, which comprises: the device comprises a CPLD, an electrotherapy unit, an ultrasonic unit and a laser unit, wherein the CPLD is respectively connected with the electrotherapy unit, the ultrasonic unit and the laser unit and is used for outputting digital driving signals to drive the electrotherapy unit and/or the ultrasonic unit and/or the laser unit to enter a working state. The electrotherapy unit comprises a power isolation unit, a constant voltage and constant current control unit and a half-bridge output circuit, wherein the first connecting ends of the power isolation unit and the constant voltage and constant current control unit are connected with the CPLD, the second connecting end of the constant voltage and constant current control unit is connected with the first connecting end of the half-bridge output circuit, and the second connecting end of the half-bridge output circuit is connected with the positive electrode plate. The power supply isolation unit is used for isolating positive and negative direct current power supplies, the constant voltage and constant current control unit is used for automatically switching between a constant voltage working mode and a constant current working mode when preset conditions are met, and the half-bridge output circuit is used for generating electrotherapy waveforms in a half-bridge driving mode and outputting the electrotherapy waveforms to the positive electrode plate.

Therefore, the technical scheme provided by the application is that the CPLD is respectively connected with the electrotherapy unit, the ultrasonic unit and the laser unit, thereby realizing the purpose of simultaneously using various treatment functions, in addition, the electrotherapy unit is composed of a power isolation unit, a constant voltage and constant current control unit and a half-bridge output circuit, wherein the power isolation unit is used for isolating positive and negative direct current power supplies, the half-bridge output circuit generates electrotherapy waveforms in a half-bridge driving mode and outputs the electrotherapy waveforms to the positive electrode plate, the problem that the treatment effect is reduced due to low-frequency output waveform differences when the heavy transformer is used for outputting the electrotherapy waveforms is avoided, meanwhile, the constant voltage and constant current control unit can realize automatic conversion between a constant voltage mode and a constant current mode, and further, the treatment discomfort or burn caused when a user cannot take protective measures in the process of using the electrotherapy equipment are avoided. Therefore, the safety of the treatment equipment is improved, the cost is reduced, and the user experience is improved while the multifunctional simultaneous treatment is realized.

In addition, the application also provides a treatment device, which comprises N functional treatment devices and M core processing main boards, a communication expansion board and a control unit, wherein the communication expansion board corresponds to the functional treatment devices, and the effects are the same as the effects.

Drawings

For a clearer description of embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described, it being apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a block diagram of a multifunctional therapeutic apparatus according to an embodiment of the present application;

FIG. 2 is a block diagram of a multi-functional therapeutic apparatus according to another embodiment of the present application;

FIG. 3 is a therapeutic apparatus provided in an embodiment of the present application;

the reference numerals are as follows: 1 is CPLD,2 is electrotherapy unit, 3 is ultrasonic unit, 4 is laser unit, 5 is power isolation unit, 6 is constant voltage constant current control unit, 7 is half-bridge output circuit, 8 is positive half-cycle power isolation module, 9 is negative half-cycle power isolation module, 10 is positive half-cycle constant voltage constant current control module, 11 is negative half-cycle constant voltage constant current control module, 12 is positive half-cycle output circuit, 13 is negative half-cycle output circuit, 14 is isolation power supply, 15 is isolation chip, 16 is filter inductance, 17 is blocking capacitor, 18 is microcontroller, 19 is waveform and current detection circuit, 20 is electronic switch switching circuit, 21 is ultrasonic half-bridge driving circuit, 22 is ultrasonic isolation transformer, 23 is laser isolation and integration circuit, 24 is constant current source output circuit, 100 is multifunctional therapeutic device, 101 is core processing main board, 102 is control unit, 103 is communication expansion board, 104 is FPGA.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

The utility model is characterized in that the utility model provides a therapeutic device and a multifunctional therapeutic apparatus, the CPLD is respectively connected with an electrotherapy unit, an ultrasonic unit and a laser unit to obtain the multifunctional therapeutic apparatus, thereby realizing the aim of multifunctional simultaneous use, in addition, the electrotherapy unit consists of a power isolation unit, a constant voltage and constant current control unit and a half-bridge output circuit, the power isolation unit is used for isolating positive and negative direct current power supplies, the half-bridge output circuit generates electrotherapy waveforms to be output to an anode electrode plate in a half-bridge driving mode, the constant voltage and constant current control unit can realize automatic conversion of constant voltage and constant current, and the low frequency output waveform difference when the heavy transformer is adopted to output the electrotherapy waveforms is avoided to reduce the therapeutic effect, and simultaneously, the user is prevented from causing treatment discomfort or burn when the protection measures are not in place in the process of using the electrotherapy device

In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.

With the increasing aging of the society population and the continuous pursuit of life quality, various rehabilitation medical devices are gradually rising. At present, common rehabilitation medical equipment comprises electrotherapy equipment, ultrasonic treatment equipment, laser treatment equipment and the like, different treatment equipment independently exist, a plurality of functions of treatment cannot be simultaneously used, the treatment mode is single, the treatment channel is limited, and then the treatment part is limited.

Current electrotherapy devices are typically composed of microcontrollers, FPGAs, DACs, waveform power amplifiers, and transformer outputs. The electrotherapy equipment output adopts heavy transformer output, and is bulky, and is with high costs, and the waveform quality is poor when low frequency rectangular wave output, leads to the waveform deformation serious, and then reduces the treatment result. Moreover, automatic switching of constant voltage and constant current cannot be realized in the current electrotherapy equipment, and if the protection measures are not in place in the process of using the electrotherapy equipment, treatment discomfort and even burn risks are easily caused.

In order to solve the technical problem, realize using different treatment functions simultaneously, while reducing cost, promote treatment facility security, and then promote user experience and feel, this application embodiment provides a multi-functional treatment device, connect complicated programmable logic device (Complex Programmable Logic Device, abbreviated as CPLD) respectively with electrotherapy unit, ultrasonic unit and laser unit, realize that a plurality of functions use simultaneously, in addition, the transformer in the electrotherapy unit is replaced for power isolation unit, constant voltage constant current control unit and half-bridge output circuit, realize keeping apart positive and negative direct current power supply, and produce electrotherapy waveform output to the positive electrode plate with half-bridge driven mode, realize the automatic conversion of constant voltage mode and constant current mode simultaneously, reduce cost, promote user experience and feel when promoting treatment effect.

Fig. 1 is a block diagram of a multifunctional therapeutic apparatus according to an embodiment of the present application, as shown in fig. 1, the multifunctional therapeutic apparatus includes a CPLD1, an electrotherapy unit 2, an ultrasonic unit 3, and a laser unit 4, where the CPLD1 is respectively connected to the electrotherapy unit 2, the ultrasonic unit 3, and the laser unit 4, and is configured to output a digital driving signal to drive the electrotherapy unit 2, and/or the ultrasonic unit 3, and/or the laser unit 4 to enter a working state.

The electrotherapy unit 2 comprises a power isolation unit 5, a constant voltage and constant current control unit 6 and a half-bridge output circuit 7, wherein first connecting ends of the power isolation unit 5 and the constant voltage and constant current control unit 6 are connected with the CPLD1, second connecting ends of the constant voltage and constant current control unit 6 are connected with the first connecting ends of the half-bridge output circuit 7, and the second connecting ends of the half-bridge output circuit 7 are connected with the positive electrode plate.

The power isolation unit 5 is used for isolating positive and negative direct current power supplies, the constant voltage and constant current control unit 6 is used for automatically switching between a constant voltage working mode and a constant current working mode when preset conditions are met, and the half-bridge output circuit 7 is used for generating electrotherapy waveforms in a half-bridge driving mode and outputting the electrotherapy waveforms to the positive electrode plate.

In implementation, the multifunctional therapeutic device provided by the application is connected with a core processing main board comprising a microcontroller and an FPGA, the core processing main board analyzes waveform data, control instructions, state data and the like, signals are transmitted to the CPLD1 after analysis, the CPLD1 generates digital waveforms with positive and negative half cycles according to protocol content, and the electrotherapy unit 2 and/or the ultrasonic unit 3 and/or the laser unit 4 are driven to enter a working state based on the digital waveforms.

In the electrotherapy unit 2, the power isolation unit 5 isolates positive and negative direct current power supplies, when the constant voltage and constant current control unit 6 meets preset conditions, the constant voltage working mode and the constant current working mode are automatically switched, so that discomfort or burn caused by treatment when protection measures of a user are not in place in the process of using electrotherapy equipment are avoided, the half-bridge output circuit 7 works to generate electrotherapy waveforms and outputs the electrotherapy waveforms to the positive electrode plate, the negative electrode plate is grounded, and the positive electrode plate and the negative electrode plate can be used for electrotherapy for the user.

In the ultrasonic unit 3, the ultrasonic unit 3 includes an ultrasonic half-bridge driving circuit and an ultrasonic isolation transformer, and in implementation, the digital driving signal output by the CPLD1 controls the operation of the ultrasonic half-bridge driving circuit, and the ultrasonic half-bridge driving circuit outputs a signal to the ultrasonic treatment head through the ultrasonic isolation transformer so as to perform ultrasonic treatment.

The laser unit 4 comprises a laser isolation and integration circuit and a constant current source output circuit, wherein after the CPLD1 analyzes the digital waveform, a driving signal is transmitted to the laser isolation and integration circuit, and after the processing of the optocoupler isolation and multistage RC integration circuit, the constant current output treatment of laser is realized through the constant current source output circuit.

In fact, the core processing main board is connected with the control unit, the user inputs the item to be treated currently through the control unit, the control unit transmits the control signal to the core processing main board, and the core processing main board analyzes the signal and transmits the signal to the multifunctional treatment device so as to realize simultaneous treatment of a plurality of different functions.

The embodiment of the application provides a multifunctional treatment device, including: the device comprises a CPLD, an electrotherapy unit, an ultrasonic unit and a laser unit, wherein the CPLD is respectively connected with the electrotherapy unit, the ultrasonic unit and the laser unit and is used for outputting digital driving signals to drive the electrotherapy unit and/or the ultrasonic unit and/or the laser unit to enter a working state. The electrotherapy unit comprises a power isolation unit, a constant voltage and constant current control unit and a half-bridge output circuit, wherein the first connecting ends of the power isolation unit and the constant voltage and constant current control unit are connected with the CPLD, the second connecting end of the constant voltage and constant current control unit is connected with the first connecting end of the half-bridge output circuit, and the second connecting end of the half-bridge output circuit is connected with the positive electrode plate. The power supply isolation unit is used for isolating positive and negative direct current power supplies, the constant voltage and constant current control unit is used for automatically switching between a constant voltage working mode and a constant current working mode when preset conditions are met, and the half-bridge output circuit is used for generating electrotherapy waveforms in a half-bridge driving mode and outputting the electrotherapy waveforms to the positive electrode plate. Therefore, the technical scheme provided by the application is that the CPLD is respectively connected with the electrotherapy unit, the ultrasonic unit and the laser unit, thereby realizing the purpose of simultaneously using various treatment functions, in addition, the electrotherapy unit is composed of a power isolation unit, a constant voltage and constant current control unit and a half-bridge output circuit, wherein the power isolation unit is used for isolating positive and negative direct current power supplies, the half-bridge output circuit generates electrotherapy waveforms in a half-bridge driving mode and outputs the electrotherapy waveforms to the positive electrode plate, the problem that the treatment effect is reduced due to low-frequency output waveform differences when the heavy transformer is used for outputting the electrotherapy waveforms is avoided, meanwhile, the constant voltage and constant current control unit can realize automatic conversion between a constant voltage mode and a constant current mode, and further, the treatment discomfort or burn caused when a user cannot take protective measures in the process of using the electrotherapy equipment are avoided. Therefore, the safety of the treatment equipment is improved, the cost is reduced, and the user experience is improved while the multifunctional simultaneous treatment is realized.

Fig. 2 is a block diagram of a multifunctional therapeutic apparatus according to another embodiment of the present application, as shown in fig. 2, a power isolation unit 5 includes a positive half-cycle power isolation module 8 and a negative half-cycle power isolation module 9, where input ends of the positive half-cycle power isolation module 8 and the negative half-cycle power isolation module 9 are connected to a CPLD 1.

The positive half-cycle power isolation module 8 provides a positive amplitude voltage for the positive half cycle of the therapeutic waveform, that is, the forward PWM signal transmitted by the CPLD1 controls the on and off of the MOS tube in the self module, so that the positive half-cycle power isolation module 8 changes in the voltage interval of 0 to +160V. Similarly, the negative half-cycle power isolation module 9 provides negative amplitude voltage for the negative half cycle of the therapeutic waveform, that is, controls the on and off of the MOS tube in the self module according to the reverse PWM signal transmitted by the CPLD1, so that the negative half-cycle power isolation module 9 changes within the voltage interval of 0 to-160V.

As shown in fig. 2, the constant voltage and constant current control unit 6 includes a positive half-cycle constant voltage and constant current control module 10 and a negative half-cycle constant voltage and constant current control module 11, and the half-bridge output circuit 7 includes a positive half-cycle output circuit 12 and a negative half-cycle output circuit 13.

The input ends of the positive half-cycle constant voltage and constant current control module 10 and the negative half-cycle constant voltage and constant current control module 11 are connected with CPLD1, the output ends of the positive half-cycle constant voltage and constant current control module 10 and the negative half-cycle constant voltage and constant current control module 11 are respectively connected with the input ends of the positive half-cycle output circuit 12 and the negative half-cycle output circuit 13, and a common end generated by connecting the output ends of the positive half-cycle output circuit 12 and the negative half-cycle output circuit 13 serves as the output end of the half-bridge output circuit 7.

In implementation, the positive half-cycle constant voltage and constant current control module 10 is a volt-ampere characteristic setting module of the waveform positive half-cycle on the load, can set constant voltage or constant current of the constant voltage positive half-cycle to work, and can also automatically switch between a constant voltage mode and a constant current mode according to the load. For example, when the working mode is the positioning constant voltage mode, if the load resistance (the resistance of the human body during treatment) gradually becomes smaller enough to maintain the constant voltage working, the positive half-cycle constant voltage constant current control module 10 automatically converts the working mode from the constant voltage working mode to the constant current working mode, and it should be noted that the preset conditions for realizing the conversion between the constant voltage mode and the constant current mode can be set according to the actual requirements, which is not limited in this application. Similarly, the negative half-cycle constant voltage and constant current control module 11 is a volt-ampere characteristic setting module of the waveform negative half-cycle on the load, and the working principle is the same as that of the positive half-cycle constant voltage and constant current control module 10, and is not repeated here.

The positive half-cycle output circuit 12 is an upper bridge arm of the waveform output half-bridge and is responsible for linear output of electrotherapy positive half-cycle function waves or rectangular waves, and the negative half-cycle output circuit 13 is a lower bridge arm of the waveform output half-bridge and is responsible for linear output of electrotherapy negative half-cycle function waves or rectangular waves.

According to the multifunctional therapeutic device provided by the embodiment of the application, the heavy transformer in traditional electrotherapy is replaced by the electrotherapy unit consisting of the power isolation unit, the constant voltage and constant current control unit and the half-bridge output circuit, positive and negative direct current power supplies are isolated by the power isolation unit, the half-bridge output circuit generates electrotherapy waveforms in a half-bridge driving mode and outputs the electrotherapy waveforms to the positive electrode plate, the transformer is not needed, the weight is light, the cost is low, and the waveforms are not easy to distort. In addition, the design of the constant voltage and constant current control unit can realize automatic switching between a constant voltage mode and a constant current mode along with the change of the load resistance value, so that discomfort of treatment of a user caused by overhigh current voltage is prevented, and meanwhile, when the contact area of an electrode plate is small or is not firm due to slight movement in the treatment process of the user, the contact resistance is increased, and the current density is increased to cause electric burn, so that the treatment safety is improved, and the user experience is improved.

In a specific embodiment, because the insulation between the circuit and the therapeutic electrode of the human body is poor, the voltage resistance test of the therapeutic equipment and the like cannot be easily passed, that is, the voltage resistance of the conventional therapeutic equipment is low, so that in order to improve the voltage resistance of the multifunctional therapeutic device and improve the electromagnetic compatibility, the multifunctional therapeutic device provided by the embodiment of the application further includes an isolation power supply 14 and an isolation chip 15, as shown in fig. 2, the input end of the isolation power supply 14 is connected with the power supply, the output end is connected with the CPLD1, the input end of the isolation chip 15 serves as the input end of the multifunctional therapeutic device, and the output end of the isolation chip 15 is connected with the CPLD 1.

In implementation, the input end of the isolation power supply 14 needs to be connected with a direct-current 24V regulated power supply, and the output end outputs multiple groups of coils through the isolation transformer, so that different voltage power supplies can be provided for the CPLD 1. The isolation chip 15 is used for isolating the core processing main board from the SPI bus of the multifunctional therapeutic device, so that signal crosstalk between different channels can be prevented.

The embodiment of the application provides a multi-functional treatment device, has still set up isolation power and isolation chip, and isolation power's input is connected with the power, and the output is connected with CPLD, and isolation chip input is as multi-functional treatment device's input, and isolation chip's output is connected with CPLD for promote the withstand voltage and the electromagnetic compatibility of circuit.

On the basis of the above embodiment, considering that burn is easily caused if the direct current component is large in the electrotherapy unit 2, in order to avoid the risk of burn when the user uses the electrotherapy function, the multifunctional therapeutic apparatus provided in the embodiment of the present application further includes the filter inductor 16 and the blocking capacitor 17.

As shown in fig. 2, the filter inductor 16 and the blocking capacitor 17 are connected in series, and the other end of the filter inductor 16 is connected to the output end of the half-bridge output circuit 7, and the other end of the blocking capacitor 17 is connected to the positive electrode plate. The filter inductor 16 can filter the interference caused by the overshoot waveform, the blocking capacitor 17 can filter the waveform direct current component, the electrotherapy waveform can eliminate the direct current component after being filtered by the blocking capacitor 17, and the burn risk during treatment is avoided.

The multifunctional treatment device provided by the embodiment of the application is additionally provided with the filter inductor and the blocking capacitor, so that the influence of a direct current component is eliminated, the phenomenon of electric burn in the electrotherapy treatment process caused by overlarge direct current component is avoided, and the safety coefficient of the multifunctional treatment device is improved.

As a preferred embodiment, the multifunctional therapeutic apparatus provided herein further comprises a microcontroller 18, a waveform and current detection circuit 19, and an electronic switch switching circuit 20.

As shown in fig. 2, the first connection end of the microcontroller 18 is connected to the output end of the waveform and current detection circuit 19, the second connection end is connected to the CPLD1, the common end generated by the connection of the input end of the waveform and current detection circuit 19 to the first connection end of the electronic switch switching circuit 20 is connected to the positive electrode pad, the second connection end of the electronic switch switching circuit 20 is connected to the negative electrode of the ultrasound therapy head, and the third connection end of the electronic switch switching circuit 20 is connected to the CPLD 1.

The waveform and current detection circuit 19 is a voltage-current range detection amplifying circuit of the electrotherapy waveform, and transmits detection data to the microcontroller 18, and the microcontroller 18 can provide ADC voltage detection of the electrotherapy unit 2, the ultrasonic unit 3 and the laser unit 4 on the multifunctional therapeutic device, the microcontroller 18 converts therapeutic voltage, current and phase into digital protocol signals through self-integrated ADC signals, and transmits the digital protocol signals to the CPLD1 through parallel ports, the CPLD1 uploads the digital protocol signals to the FPGA in the core processing main board, and finally the microcontroller in the core processing main board reads ADC related address data and reports the ADC related address data to the control unit for the user to check.

The electronic switch switching circuit 20 is a control switch for combined treatment of the electrotherapy unit 2 and the ultrasonic unit 3, when the electronic switch switching circuit 20 controls the switch to be turned off, the treatment of the electrotherapy unit 2 and the treatment of the ultrasonic unit 3 are not interfered with each other, and when the switch is turned on, a negative electrode plate in the electrotherapy unit 2 is attached to the skin of a user, a positive electrode plate is connected to the treatment head negative electrode of the ultrasonic unit 3 through the electronic switch switching circuit 20, at the moment, the ultrasonic treatment head is moved, the electrotherapy positive electrode movement treatment is realized, the ultrasonic treatment is matched, and the treatment effect is improved.

The multifunctional treatment device provided by the embodiment of the application is additionally provided with the microcontroller, the waveform and current detection circuit and the electronic switch switching circuit, so that the voltage, the current and the like in the circuit can be detected, the cooperation treatment of electrotherapy and ultrasonic waves can be realized, and the treatment effect is improved.

In a specific embodiment, the ultrasonic unit 3 includes an ultrasonic half-bridge driving circuit 21 and an ultrasonic isolation transformer 22, as shown in fig. 2, an input end of the ultrasonic half-bridge driving circuit 21 is connected to the CPLD1, an output end is connected to an input end of the ultrasonic isolation transformer 22, and a first output end and a second output end of the ultrasonic isolation transformer 22 are respectively connected to an anode and a cathode of the ultrasonic treatment head.

In implementation, the CPLD1 outputs a set of high-low level signals to drive the MOS transistors in the ultrasonic half-bridge driving circuit 21 to be turned on or off, so that the ultrasonic half-bridge driving circuit 21 can provide different treatment frequencies of 1MHz, 3MHz, etc. for the ultrasonic isolation transformer 22.

The ultrasonic isolation transformer 22 is a coupling device that provides waveform isolation and positive and negative amplitude changes for the ultrasonic therapy head, and can boost the low-voltage ultrasonic power supply voltage to a high voltage through the primary-to-secondary voltage transformation ratio to satisfy the driving of the ultrasonic transducer in the ultrasonic therapy head.

As shown in fig. 2, the laser unit 4 includes a laser isolation and integration circuit 23 and a constant current source output circuit 24, the input end of the laser isolation and integration circuit 23 is connected with the CPLD1, the output end is connected with the input end of the constant current source output circuit 24, and the output end of the constant current source output circuit 24 is connected with the laser treatment head.

The PWM signal transmitted by the CPLD1 is integrated by the laser isolation and integration circuit 23 and converted into a waveform analog voltage, which is output to the laser treatment head by the constant current source output circuit 24. Wherein the duty cycle of the PWM signal determines the amplitude of the waveform and the rate of change determines the treatment frequency.

The constant current source output circuit 24 is designed for driving the laser treatment head, the current of a laser tube in the laser treatment head is controlled through waveform change, and the laser head outputs laser with different wavelengths of 650nm, 808nm and the like after receiving signals transmitted by the constant current source output circuit 24

The multifunctional therapeutic device provided by the embodiment of the application is respectively connected with the electrotherapy unit, the ultrasonic unit and the laser unit through the CPLD, and outputs a digital driving signal to drive the electrotherapy unit and/or the ultrasonic unit and/or the laser unit to enter a working state, so that the aim of simultaneously treating a plurality of functions is fulfilled.

The embodiment has been described in detail with respect to the multifunctional therapeutic apparatus, and the embodiment of the present application further provides a therapeutic apparatus, which includes N multifunctional therapeutic apparatuses in the above embodiments, and M core processing main boards, a communication expansion board, and a control unit, where N and M are natural numbers greater than 1.

Fig. 3 is a schematic diagram of a therapeutic apparatus according to an embodiment of the present application, as shown in fig. 3, an output end of each core processing motherboard 101 is connected to a plurality of multifunctional therapeutic devices 100, and an input end is connected to a control unit 102 through a communication expansion board 103. The core processing main board 101 includes a microcontroller 18 and an FPGA104, one end of the microcontroller 18 is used as an input end of the core processing main board 101, the other end of the microcontroller 18 is connected with one end of the FPGA104, and the other end of the FPGA104 is used as an output end of the core processing main board 101.

In implementation, the 24V regulated power supply is used to provide power for the therapeutic equipment, and the control unit 102 may be an upper computer and a touch screen, where the touch screen is used to input the function of the current therapy, and the corresponding therapy parameters, and is used to display the current therapy situation in real time.

The communication expansion board 103 provides multiple channels for the treatment equipment, multiple functions of treatment and more channel numbers are expanded to meet different practical application scenarios, hardware expansion of multiple channels or functions is realized, address resolution protocols of the multifunctional treatment devices 100 are contained in the communication expansion board 103, and the address resolution protocols are sent to the core processing main board 101 for resolution through the communication expansion board 103.

The core processing main board 101 is a core protocol processing board card of the whole treatment equipment, the main board is integrated with the microcontroller 18 and the FPGA104, the microcontroller 18 can analyze control instructions sent by the control unit 102 in real time, process the control instructions into data packets according to the types of the control instructions, send the data packets to the FPGA104 through an SPI bus, analyze the data packets by the FPGA104, output digital SPI bus waveforms and control data to the multifunctional treatment device 100, and then the multifunctional treatment device 100 realizes electrotherapy, ultrasonic treatment and laser treatment, thereby realizing the purpose of multifunctional common treatment in a development platform mode.

The treatment equipment provided by the embodiment of the application realizes a wireless expansion channel in the form of a development platform, so that the aim of multifunctional treatment is fulfilled, the control is simple, the development period is shortened, and the user experience is improved.

The above describes in detail a therapeutic apparatus and a multifunctional therapeutic device provided by the present utility model. In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims (10)

1. A multi-functional therapeutic apparatus, comprising: CPLD (1), electrotherapy unit (2), ultrasonic unit (3) and laser unit (4);

the CPLD (1) is respectively connected with the electrotherapy unit (2), the ultrasonic unit (3) and the laser unit (4) and is used for outputting digital driving signals to drive the electrotherapy unit (2), and/or the ultrasonic unit (3) and/or the laser unit (4) to enter a working state;

the electrotherapy unit (2) comprises a power isolation unit (5), a constant voltage and constant current control unit (6) and a half-bridge output circuit (7), wherein the power isolation unit (5) and a first connecting end of the constant voltage and constant current control unit (6) are connected with the CPLD (1), a second connecting end of the constant voltage and constant current control unit (6) is connected with a first connecting end of the half-bridge output circuit (7), and a second connecting end of the half-bridge output circuit (7) is connected with an anode electrode plate;

the power isolation unit (5) is used for isolating positive and negative direct current power supplies, the constant voltage and constant current control unit (6) is used for automatically switching between a constant voltage working mode and a constant current working mode when preset conditions are met, and the half-bridge output circuit (7) is used for generating electrotherapy waveforms in a half-bridge driving mode and outputting the electrotherapy waveforms to the positive electrode plate.

2. The multi-function therapeutic apparatus according to claim 1, wherein the power isolation unit (5) comprises a positive half-cycle power isolation module (8) and a negative half-cycle power isolation module (9);

the input ends of the positive half-cycle power supply isolation module (8) and the negative half-cycle power supply isolation module (9) are connected with the CPLD (1).

3. The multifunctional therapeutic apparatus according to claim 1, wherein the constant voltage and constant current control unit (6) comprises a positive half-cycle constant voltage and constant current control module (10) and a negative half-cycle constant voltage and constant current control module (11), and the half-bridge output circuit (7) comprises a positive half-cycle output circuit (12) and a negative half-cycle output circuit (13);

the input ends of the positive half-cycle constant voltage constant current control module (10) and the negative half-cycle constant voltage constant current control module (11) are connected with the CPLD (1), the output ends of the positive half-cycle constant voltage constant current control module (10) and the negative half-cycle constant voltage constant current control module (11) are respectively connected with the input ends of the positive half-cycle output circuit (12) and the negative half-cycle output circuit (13), and the public end generated by the connection of the output ends of the positive half-cycle output circuit (12) and the output end of the negative half-cycle output circuit (13) is used as the output end of the half-bridge output circuit (7).

4. A multi-function therapeutic apparatus as defined in any one of claims 1-3, further comprising: an isolated power supply (14) and an isolated chip (15);

the input end of the isolation power supply (14) is connected with the power supply, the output end of the isolation power supply is connected with the CPLD (1), the input end of the isolation chip (15) is used as the input end of the multifunctional therapeutic device, and the output end of the isolation chip (15) is connected with the CPLD (1).

5. The multi-functional therapeutic apparatus of claim 4, further comprising a filter inductance (16) and a blocking capacitance (17);

the filter inductor (16) is connected with the blocking capacitor (17) in series, the other end of the filter inductor (16) is connected with the output end of the half-bridge output circuit (7), and the other end of the blocking capacitor (17) is connected with the positive electrode plate.

6. The multi-function therapeutic apparatus of claim 5, further comprising: a microcontroller (18), a waveform and current detection circuit (19) and an electronic switch switching circuit (20);

the first connecting end of the microcontroller (18) is connected with the output end of the waveform and current detection circuit (19), the second connecting end of the microcontroller is connected with the CPLD (1), the public end generated by connecting the input end of the waveform and current detection circuit (19) with the first connecting end of the electronic switch switching circuit (20) is connected with the positive electrode plate, the second connecting end of the electronic switch switching circuit (20) is connected with the negative electrode of the ultrasonic treatment head, and the third connecting end of the electronic switch switching circuit (20) is connected with the CPLD (1).

7. The multi-functional therapeutic apparatus according to claim 1, characterized in that the ultrasound unit (3) comprises an ultrasound half-bridge driving circuit (21) and an ultrasound isolation transformer (22);

the input end of the ultrasonic half-bridge driving circuit (21) is connected with the CPLD (1), the output end of the ultrasonic half-bridge driving circuit is connected with the input end of the ultrasonic isolation transformer (22), and the first output end and the second output end of the ultrasonic isolation transformer (22) are respectively connected with the positive electrode and the negative electrode of the ultrasonic treatment head.

8. The multi-function therapeutic apparatus according to claim 1, wherein the laser unit (4) comprises a laser isolation and integration circuit (23) and a constant current source output circuit (24);

the input end of the laser isolation and integration circuit (23) is connected with the CPLD (1), the output end of the laser isolation and integration circuit is connected with the input end of the constant current source output circuit (24), and the output end of the constant current source output circuit (24) is connected with the laser treatment head.

9. A therapeutic apparatus comprising N multi-functional therapeutic devices (100) according to any one of claims 1 to 8, M core processing mainboards (101), a communication expansion board (103) and a control unit (102);

the output end of each core processing main board (101) is connected with a plurality of multifunctional treatment devices (100), and the input end is connected with the control unit (102) through the communication expansion board (103); wherein, N and M are natural numbers greater than 1.

10. The therapeutic apparatus of claim 9, wherein the core processing motherboard comprises a microcontroller and an FPGA;

one end of the microcontroller (18) is used as an input end of the core processing main board (101), the other end of the microcontroller (18) is connected with one end of the FPGA (104), and the other end of the FPGA (104) is used as an output end of the core processing main board (101).

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