WO2021023128A1 - 充放电监测电路及肿瘤治疗仪 - Google Patents

充放电监测电路及肿瘤治疗仪 Download PDF

Info

Publication number
WO2021023128A1
WO2021023128A1 PCT/CN2020/106410 CN2020106410W WO2021023128A1 WO 2021023128 A1 WO2021023128 A1 WO 2021023128A1 CN 2020106410 W CN2020106410 W CN 2020106410W WO 2021023128 A1 WO2021023128 A1 WO 2021023128A1
Authority
WO
WIPO (PCT)
Prior art keywords
discharge
switch group
switch
voltage
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/106410
Other languages
English (en)
French (fr)
Inventor
赖燊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Neumann Technology Co Ltd
Original Assignee
Shenzhen Neumann Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Neumann Technology Co Ltd filed Critical Shenzhen Neumann Technology Co Ltd
Priority to EP20849615.8A priority Critical patent/EP4012880B1/en
Publication of WO2021023128A1 publication Critical patent/WO2021023128A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/1206—Generators therefor
    • A61B18/1233—Generators therefor with circuits for assuring patient safety
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577—Ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00613—Irreversible electroporation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00702—Power or energy
    • A61B2018/00708—Power or energy switching the power on or off
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00892—Voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/50—Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery

Definitions

  • This application relates to the technical field of medical equipment, in particular to a charge and discharge monitoring circuit and a tumor treatment instrument.
  • tumor treatment instruments There are many types of tumor treatment instruments.
  • the working process of tumor treatment instruments based on electric pulse technology is generally: the instantaneous application of electric field pulses to cells
  • the electric field strength is higher than 1kV/cm (kilovolts per centimeter), which greatly increases the molecular permeability of the cell, and then produces electroporation.
  • Cell death Tumor therapy devices have strict requirements for output pulses, and the stability of the charge and discharge performance of tumor therapy devices directly affects the reliability of pulse output. Therefore, it is of great significance to monitor the charge and discharge of the tumor therapy instrument.
  • an embodiment of the present invention provides a charging and discharging monitoring circuit, including a capacitor bank and a power supply for supplying power to the capacitor bank; further including:
  • the first switch group; the first switch interface of the first switch group is connected to the positive electrode of the power supply, and the second switch interface is connected to the positive electrode of the capacitor group;
  • the second switch group the first switch interface of the second switch group is connected to the negative electrode of the power supply, and the second switch interface is connected to the negative electrode of the capacitor group;
  • Discharge module the input end of the discharge module is connected to the positive electrode of the capacitor group, and the output end is connected to the negative electrode of the capacitor group;
  • the voltage detection circuit is used to monitor the charging voltage signal of the capacitor group , Also used to monitor the discharge voltage signal of the discharge module;
  • Controller is respectively connected to the output terminal of the voltage detection circuit, the control interface of the first switch group, the control interface of the second switch group and the control terminal of the discharge module; when the controller receives the charge monitoring command, it controls the discharge module to turn off The first switch group and the second switch group are controlled to be turned on, and the charging voltage signal is collected to obtain the charging voltage; when the controller receives the discharge detection instruction, it controls the discharging module to turn on, and controls the first switch group and the second switch group. The second switch group is disconnected, and the discharge voltage signal is collected to obtain the discharge voltage.
  • the discharge module includes a first switching device and a discharge load
  • the first end of the first switching device is connected to the first end of the discharge load, the second end is connected to one end of the capacitor group, and the third end is connected to the controller; the second end of the discharge load is connected to the other end of the capacitor group.
  • the first switch group includes at least two second switch devices connected in series.
  • the second switch group includes at least two third switch devices connected in series.
  • it further includes a first isolation module
  • the first input terminal of the first isolation module is connected to the first switch group, the second input terminal is connected to the second switch group, and the output terminal is connected to the voltage detection circuit.
  • it further includes a second isolation module
  • the second isolation module is connected between the voltage detection circuit and the controller.
  • the voltage detection circuit includes a voltage divider circuit
  • the first detection end of the voltage divider circuit is connected to the third switch interface of the first switch group, the second detection end is connected to the third switch interface of the second switch group, and the output end is connected to the controller.
  • the controller includes a processing chip and an AD acquisition circuit connected to the processing chip.
  • an embodiment of the present invention also provides a tumor treatment instrument, including an upper computer and any one of the above-mentioned charge and discharge monitoring circuits;
  • the upper computer is connected to the controller.
  • it also includes an alarm device connected to the controller.
  • the first detection terminal of the voltage detection circuit is connected to the third switch interface of the first switch group, and the second detection terminal is connected to the third switch interface of the second switch group; the controller controls the discharge module when receiving the charge monitoring command
  • the first switch group and the second switch group are controlled to be turned on, and the charging voltage signal is collected to obtain the charging voltage;
  • the controller receives the discharge detection instruction, it controls the discharge module to be turned on, and controls the first switch group and the The second switch group is turned off, and the discharge voltage signal is collected to obtain the discharge voltage, thereby realizing the full electric real-time monitoring of the tumor treatment instrument.
  • the circuit structure is simple, which improves the charging and discharging. Real-time monitoring.
  • FIG. 1 is a schematic diagram of a first structure of a charge and discharge monitoring circuit in an embodiment
  • FIG. 2 is a schematic diagram of a second structure of a charge and discharge monitoring circuit in an embodiment
  • FIG. 3 is a schematic diagram of a third structure of a charge and discharge monitoring circuit in an embodiment
  • FIG. 4 is a schematic diagram of a fourth structure of a charge and discharge monitoring circuit in an embodiment
  • FIG. 5 is a schematic diagram of a fifth structure of a charge and discharge monitoring circuit in an embodiment
  • Fig. 6 is a block diagram of a tumor treatment apparatus in an embodiment.
  • a charge and discharge monitoring circuit which includes a capacitor bank 110 And a power supply 120 for supplying power to the capacitor bank 110; further including:
  • the first switch group 130; the first switch interface of the first switch group 130 is connected to the positive electrode of the power supply 120, and the second switch interface is connected to the positive electrode of the capacitor group 110;
  • the second switch group 140; the first switch interface of the second switch group 140 is connected to the negative electrode of the power supply 120, and the second switch interface is connected to the negative electrode of the capacitor group 110;
  • Discharge module 150 the input end of the discharge module 150 is connected to the positive electrode of the capacitor group 110, and the output end is connected to the negative electrode of the capacitor group 110;
  • Voltage detection circuit 160 the first detection terminal of the voltage detection circuit 160 is connected to the third switch interface of the first switch group 130, and the second detection terminal is connected to the third switch interface of the second switch group 140; the voltage detection circuit 160 is used to monitor capacitance
  • the charging voltage signal of the group 110 is also used to monitor the discharging voltage signal of the discharging module 150;
  • the controller 170 is respectively connected to the output terminal of the voltage detection circuit 160, the control interface of the first switch group 130, the control interface of the second switch group 140, and the control terminal of the discharge module 150; the controller 170 receives the charge monitoring When instructed, the discharging module 150 is controlled to be turned off, and the first switch group 130 and the second switch group 140 are controlled to be turned on, and the charging voltage signal is collected to obtain the charging voltage; when the controller 170 receives the discharge detection command, it controls the discharging module 150 is turned on, and the first switch group 130 and the second switch group 140 are controlled to be disconnected, and the discharge voltage signal is collected to obtain the discharge voltage.
  • the capacitor group 110 can be used to store electrical energy, and can also transmit the stored electrical energy to the pulse generator, so that the pulse generator generates electrical pulse signals; the capacitor group 110 can be composed of multiple capacitors in parallel, and the capacitor group 110 can also be Multiple capacitors are connected in series.
  • the power supply 120 may be a DC high-voltage power supply, for example, the power supply 120 may be a high-voltage power supply of the kilovolt level.
  • the first switch group 130 can be used to control the on-off between the positive electrode of the power supply 120 and the positive electrode of the capacitor group 110; the second switch group 140 can be used to control the on-off between the negative electrode of the power supply 120 and the negative electrode of the capacitor group 110.
  • the discharge module 150 can be used to discharge the electric energy stored in the capacitor group 110 and can also be used to control the on-off of the discharge path of the capacitor group 110.
  • the voltage detection circuit 160 can be used to detect the voltage of the power signal at both ends of the input capacitor group 110; for example, the voltage detection circuit 160 can obtain the power signal, and perform conversion (for example, filtering and/or voltage division) processing on the obtained power signal, and then The charging voltage signal corresponding to the power signal can be obtained.
  • the voltage detection circuit 160 can also be used to detect the voltage of the discharge signal at both ends of the discharge module 150; for example, the voltage detection circuit 160 can obtain the discharge signal, and perform conversion (such as filtering and/or voltage division) processing on the obtained discharge signal, and then The discharge voltage signal corresponding to the discharge signal can be obtained.
  • the controller 170 refers to a processing device with functions such as signal transmission and signal acquisition and processing.
  • the charge voltage signal refers to an analog charge voltage signal, and the charge voltage refers to a digital charge voltage
  • the discharge voltage signal refers to an analog discharge voltage signal, and the discharge voltage refers to a digital discharge voltage
  • the charging monitoring instruction may be generated by the user's request, or may be automatically generated when the system determines that the charging monitoring condition is satisfied.
  • the discharge detection instruction can be generated as requested by the user, or automatically generated when the system determines that the discharge monitoring condition is met.
  • the controller 170 is respectively connected to the first switch group 130, the second switch group 140 and the discharging module 150, and the controller 170 can perform monitoring commands (such as charging monitoring Command and discharge monitoring command), respectively control the on and off of the first switch group 130, the second switch group 140, and the discharge module 150, thereby realizing the switching of the charge monitoring path and the discharge monitoring path of the tumor therapy instrument, simplifying the charge and discharge monitoring circuit .
  • monitoring commands such as charging monitoring Command and discharge monitoring command
  • the first detection terminal is connected to the third switch interface of the first switch group 130, and the second detection terminal is connected to the third switch interface of the second switch group 140;
  • the controller 170 is connected to the voltage detection circuit 160 to control When the controller 170 receives the charge monitoring instruction, it controls the discharge module 150 to turn off, and controls the first switch group 130 and the second switch group 140 to conduct, and collects the charging voltage signal to obtain the charging voltage; the controller 170 receives the discharge When the instruction is detected, the discharge module 150 is controlled to be turned on, and the first switch group 130 and the second switch group 140 are controlled to be disconnected, and the discharge voltage signal is collected to obtain the discharge voltage, thereby realizing full electrical real-time monitoring of the tumor treatment instrument.
  • the first switch group, the second switch group and the discharge module are respectively controlled on and off by the controller, so as to realize the switching of the charge monitoring path and the discharge monitoring path of the tumor therapy instrument, which simplifies the charge and discharge monitoring
  • the circuit collects the charging voltage signal and the discharge voltage signal through the controller, and processes the collected charging voltage signal and the discharge voltage signal, thereby realizing the real-time monitoring of the charging voltage and charging current of the tumor treatment instrument, and improving the charging and discharging monitoring real-time.
  • a charge and discharge monitoring circuit including a controller 270, a capacitor bank 210, a power supply 220 for supplying power to the capacitor bank, connected to the positive pole of the power supply 220 and the capacitor
  • the first switch group 230 between the positive electrodes of the group 210 is connected between the negative electrode of the power supply 220 and the negative electrode of the capacitor group 210.
  • the second switch group 240 is connected between the positive electrode of the capacitor group 210 and the negative electrode of the capacitor group 210
  • the discharge module 250 is connected to the voltage detection circuit 260 between the first switch group 230 and the second switch group 240.
  • the controller 270 is respectively connected to the voltage detection circuit 260, the first switch group 230, the second switch group 240 and the discharge module 250.
  • the discharging module 250 includes a first switching device 252 and a discharging load 254; the first end of the first switching device 252 is connected to the first end of the discharging load 254, the second end is connected to one end of the capacitor group 210, and the third end is connected to the controller 270; the second end of the discharge load 254 is connected to the other end of the capacitor group 210.
  • the first switching device 252 refers to an electronic element that can open a circuit, interrupt a current, or make it flow to other circuits.
  • the first switching device 252 may be, but is not limited to, a MOSFET switching device and an IGBT switch.
  • the discharge load 254 can be used to consume the electric energy of the capacitor bank.
  • the second end of the first switching device 252 is connected to one end of the capacitor group 210, and the third end of the first switching device 252 is connected to the controller 270;
  • the second end of the load 254 is connected to the other end of the capacitor group 210.
  • the controller 270 can realize the on-off control of the discharge channel of the capacitor bank through the on-off of the first switching device 252, and then the controller 270 controls the first switching device 252 to turn off when receiving the charge monitoring instruction, and controls the first
  • the switch group 230 and the second switch group 240 are turned on, and the charging voltage signal is collected to obtain the charging voltage to realize real-time monitoring of the charging voltage;
  • the controller 270 controls the first switching device 252 to turn on when receiving the discharge detection instruction, And control the first switch group 230 and the second switch group 240 to disconnect, and collect the discharge voltage signal to obtain the discharge voltage, so as to realize real-time monitoring of the discharge voltage.
  • a charge-discharge monitoring circuit including a controller 370, a capacitor bank 310, a power supply 320 for supplying power to the capacitor bank 310, connected to the positive electrode of the power supply 320 and
  • the discharge module 350 is connected to the voltage detection circuit 360 between the first switch group 330 and the second switch group 340; the controller 370 is respectively connected to the voltage detection circuit 360, the first switch group 330, the second switch group 340 and the discharge Module 350.
  • the first switch group 330 includes at least two second switch devices 332 connected in series.
  • the second switching device 332 refers to an electronic component that can open a circuit, interrupt current, or make it flow to other circuits.
  • the second switching device 332 may be, but not limited to, a MOSFET switching device and an IGBT switch.
  • the first switch group 330 includes two second switching devices 332 connected in series, and the first detection terminal of the voltage detection circuit 360 is connected between the two second switching devices 332 connected in series.
  • the controller 370 receives the charge monitoring instruction, it controls the discharging module 350 to turn off, controls the second switch group 340 to turn on, and controls the two second switch devices 332 connected in series to turn on, and collects the charging voltage signal to obtain The charging voltage realizes real-time monitoring of the charging voltage; when the controller 370 receives the discharge detection instruction, it controls the discharge module 350 to turn on, controls the second switch group 340 to turn off, and controls the two second switching devices 332 connected in series to both Disconnect and collect the discharge voltage signal to obtain the discharge voltage to realize real-time monitoring of the discharge voltage.
  • first detection terminal of the voltage detection circuit can also be connected to the connection line between the second switching device and the power supply.
  • the second switch group 340 includes at least two third switch devices 342 connected in series.
  • the third switch 342 refers to an electronic component that can open a circuit, interrupt current, or make it flow to other circuits.
  • the third switching device 342 may be, but not limited to, a MOSFET switching device and an IGBT switch.
  • the second switch group 340 includes two third switch devices 342 connected in series, and the second detection terminal of the voltage detection circuit 360 is connected between the two third switch devices 342 connected in series.
  • the controller 370 receives the charge monitoring instruction, it controls the discharge module 350 to turn off, controls the first switch group 330 to turn on, and controls the two third switch devices 342 connected in series to turn on, and collects the charging voltage signal to obtain The charging voltage realizes real-time monitoring of the charging voltage; when the controller 370 receives the discharge detection instruction, it controls the discharging module 350 to turn on, controls the first switch group 330 to turn off, and controls the two third switch devices 342 connected in series. Disconnect and collect the discharge voltage signal to obtain the discharge voltage to realize real-time monitoring of the discharge voltage.
  • the second detection terminal of the voltage detection circuit can also be connected to the connection line between the third switching device and the power supply.
  • a charging and discharging monitoring circuit including a controller 470, a capacitor bank 410, a power supply 420 for supplying power to the capacitor bank 410, connected to the positive electrode of the power supply 420 and
  • the discharge module 450 is connected to the voltage detection circuit 460 between the first switch group 430 and the second switch group 440; the controller 470 is respectively connected to the voltage detection circuit 460, the first switch group 430, the second switch group 440 and the discharge Module 450.
  • the charge and discharge monitoring circuit 460 also includes a first isolation module 480.
  • the first input terminal of the first isolation module 480 is connected to the first switch group 430, the second input terminal is connected to the second switch group 440, and the output terminal is connected to the voltage detection circuit 460.
  • the first isolation module 480 may be, but is not limited to, an outer optical path photocoupler and an inner optical path photocoupler.
  • the power supply 420 can output the capacitor group 410 during the charging process.
  • the power signal is transmitted to the first isolation module 480, the power signal is isolated and converted by the first isolation module 480, and the processed power signal is transmitted to the voltage detection circuit 460, so that the voltage detection circuit 460 obtains the charge according to the power signal
  • the voltage signal realizes the isolation of the power signal and the charging voltage signal.
  • the output discharge signal can be transmitted to the first isolation module 480, the discharge signal is isolated and converted through the first isolation module 480, and the processed discharge signal is transmitted to the voltage detection
  • the circuit 460 enables the voltage detection circuit 460 to obtain the discharge voltage signal according to the discharge signal, realize the isolation between the discharge signal and the discharge voltage signal, and thereby improve the anti-interference ability of signal transmission on the switch group side.
  • the number of the first isolation module is at least one.
  • each second isolation module 480 is connected in series between the voltage detection circuit 460 and the switch group (the first switch group 430 and the second switch group 440). between.
  • the charge and discharge monitoring circuit further includes a second isolation module 490; the second isolation module 490 is connected between the voltage detection circuit 460 and the controller 470.
  • the second isolation module 490 may be, but is not limited to, an outer optical path photocoupler and an inner optical path photocoupler.
  • the second isolation module 490 is connected between the voltage detection circuit 460 and the controller 470, during the signal collection process of the controller 470, the voltage signal output by the voltage detection circuit 460 (charge voltage signal or discharge voltage Signal) is transmitted to the second isolation module 490, the voltage signal (charge voltage signal or discharge voltage signal) is isolated and converted through the second isolation module 490, and the processed voltage signal (charge voltage signal or discharge voltage signal) is transmitted To the controller 470, according to the collected voltage signal (charging voltage signal or discharging voltage signal), the corresponding charging voltage or discharging voltage can be obtained, and the charging voltage signal and the charging voltage (or the discharging voltage signal and the discharging voltage) can be calculated. Isolation improves the anti-interference ability of signal transmission on the controller side.
  • the number of the second isolation module 490 is at least one.
  • each second isolation module 490 is connected in series between the voltage detection circuit 460 and the controller 470.
  • a charging and discharging monitoring circuit including a controller 570, a capacitor bank 510, a power supply 520 for supplying power to the capacitor bank 510, connected to the positive electrode of the power supply 5420 and
  • the discharge module 550 is connected to the voltage detection circuit 560 between the first switch group 530 and the second switch group 540; the controller 570 is respectively connected to the voltage detection circuit 560, the first switch group 530, the second switch group 540 and the discharge Module 550.
  • the voltage detection circuit 560 includes a voltage divider circuit 562; the first detection terminal of the voltage divider circuit 562 is connected to the third switch interface of the first switch group 530, and the second detection terminal is connected to the third switch interface of the second switch group 540 to output ⁇ Connect controller 570.
  • the voltage divider circuit 562 may be composed of one voltage divider resistor, or may be composed of multiple voltage divider resistors in series. It should be noted that the resistance value of the voltage divider can be calculated according to the acquisition parameter requirements of the control device.
  • the voltage divider circuit 562 can divide the received power signal to obtain the corresponding charging voltage signal
  • the controller 570 can collect the charging voltage signal to obtain the charging voltage to realize real-time monitoring of the charging voltage of the tumor treatment instrument; the voltage divider circuit 562 can divide the received discharge signal to obtain the corresponding discharge voltage signal, and then The controller 570 can collect the discharge voltage signal to obtain the discharge voltage, so as to realize real-time monitoring of the discharge voltage of the tumor treatment apparatus.
  • the voltage detection circuit may further include a filter circuit connected to the voltage divider circuit; the filter circuit may filter the charging voltage signal, and then obtain the filtered charging voltage signal, so that the charging voltage signal collected by the controller More accurate; the filter circuit can filter the discharge voltage signal, and then can obtain the filtered discharge voltage signal, so that the discharge voltage signal collected by the controller is more accurate.
  • the voltage signals (charge voltage signal and discharge voltage signal) are divided by the voltage divider circuit, so that the divided voltage signals (charge voltage signal and discharge voltage signal) can satisfy the controller At the same time, the accuracy of charging voltage monitoring is improved.
  • the controller 570 includes a processing chip 572 and an AD acquisition circuit 574 connected to the processing chip 572.
  • the processing chip 572 may be, but not limited to, a single-chip microcomputer chip, an ARM processing chip and an FPGA processing chip.
  • the AD acquisition circuit 574 refers to an acquisition circuit that can perform analog-to-digital conversion on a signal.
  • the AD collection circuit 574 is connected to the processing chip 572, and the AD collection circuit 574 is connected to the voltage detection circuit 560.
  • the processing chip 572 can drive the AD collection circuit 574 to work, and the AD collection circuit 574 can collect the charging voltage signal output by the voltage detection circuit 560, and convert the analog charging voltage signal into a digital charging voltage through analog-to-digital conversion processing, and The digital charging voltage is transmitted to the processing chip 572 to realize real-time monitoring of the charging voltage; the AD collection circuit 574 can also collect the discharge voltage signal output by the voltage detection circuit 560, and process the analog discharge voltage signal through analog-to-digital conversion. It is converted into a digital discharge voltage, and the digital discharge voltage is transmitted to the processing chip 572 to realize real-time monitoring of the discharge voltage.
  • the processing chip can transmit the charging voltage and the discharging voltage to the upper computer, and the charging voltage and the discharging voltage can be monitored in real time by the upper computer.
  • a tumor treatment instrument which includes an upper computer 640 and any one of the above-mentioned charge and discharge monitoring circuits 620; the upper computer 610 is connected to a controller.
  • the upper computer 610 may be, but is not limited to, a tablet computer and a personal computer (PC).
  • PC personal computer
  • the voltage detection circuit can detect the power signal output by the power supply to the capacitor bank, and then obtain the charging voltage signal; the controller collects the charging voltage signal, and then can transmit the collected charging voltage to the host computer to realize the treatment of the tumor treatment instrument
  • the charging voltage is monitored in real time; the voltage detection circuit can also detect the power signal output by the capacitor group to discharge the module, and then obtain the discharge voltage signal; the controller collects the discharge voltage signal, and then can transmit the collected discharge voltage to the host computer to realize the tumor
  • the discharge voltage of the treatment device is monitored in real time, and the circuit structure of the tumor treatment device is simple, which improves the real-time performance of pulse monitoring.
  • the host computer 610 can also display waveform diagrams corresponding to the charging voltage and charging current, so that the user can observe the corresponding waveform diagrams and control the tumor treatment instrument accordingly.
  • an alarm device 630 connected to the controller is further included.
  • the alarm device 630 may be a flashing light or a buzzer, or a combination of a flashing light and a buzzer.
  • the controller can process the charging voltage and the discharging voltage.
  • the charging voltage is abnormal (for example, the charging voltage exceeds the safety threshold)
  • the alarm device 630 is triggered to make the alarm device 630 generate an alarm
  • the discharge voltage is abnormal (such as When the discharge voltage exceeds the safety threshold)
  • the alarm device 630 is triggered, so that the alarm device 630 generates an alarm, which realizes a timely response to the monitoring situation of the tumor treatment instrument and enhances the safety performance of the tumor treatment instrument.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Otolaryngology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种充放电监测电路及肿瘤治疗仪，其中，电路包括电容组(110)以及用于向电容组供电的供电电源(120)；还包括第一开关组(130)，第二开关组(140)，放电模块(150)，电压检测电路(160)和控制器(170)；控制器(170)分别连接电压检测电路(160)、第一开关组(130)、第二开关组(140)和放电模块(150)；其中电压检测电路(160)用于监测电容组的充电电压信号，还用于监测放电模块(150)的放电电压信号；控制器(170)在接收到充电监测指令时，控制放电模块(150)断开，以及控制第一开关组(130)和第二开关组(140)导通，并采集充电电压信号，得到充电电压；控制器(170)在接收到放电检测指令时，控制放电模块(150)导通，以及控制第一开关组(130)和第二开关组(140)断开，并采集放电电压信号，得到放电电压。本充放电监测电路能够实现简化监测电路结构，提高充放电监测的实时性。

Description

充放电监测电路及肿瘤治疗仪 技术领域
本申请涉及医疗设备技术领域，特别是涉及一种充放电监测电路及肿瘤治疗仪。
背景技术
随着科学技术的发展，肿瘤治疗仪的应用得到了广泛的关注，肿瘤治疗仪的种类众多，而以电脉冲技术为基础的肿瘤治疗仪，其工作过程一般为：向细胞施加电场脉冲的瞬时电场强度高于1kV/cm(千伏每厘米)，大大提高细胞的分子渗透率，进而产生电穿孔现象，随着脉冲电场强度的继续增加，出现不可逆性电击穿，进而导致细胞膜机械断裂直至细胞死亡。肿瘤治疗仪对于输出脉冲具有严格的要求，而对于肿瘤治疗仪的充放电性能的稳定性直接影响指脉冲输出的可靠性。因此，对于肿瘤治疗仪充放电的监测具有重要的意义。
在实现过程中，发明人发现传统技术中至少存在如下问题：传统的基于肿瘤治疗仪充放电监测的电路设计复杂，充放电监测延时大。
发明内容
基于此，有必要针对传统的基于肿瘤治疗仪充放电监测的电路设计复杂，充放电监测延时大的问题，提供一种充放电监测电路及肿瘤治疗仪。
为了实现上述目的，本发明实施例提供了一种充放电监测电路，包括电容组以及用于向电容组供电的供电电源；还包括：
第一开关组；第一开关组的第一开关接口连接供电电源的正极，第二开关 接口连接电容组的正极；
第二开关组；第二开关组的第一开关接口连接供电电源的负极，第二开关接口连接电容组的负极；
放电模块；放电模块的输入端连接电容组的正极，输出端连接电容组的负极；
电压检测电路；电压检测电路的第一检测端连接第一开关组的第三开关接口，第二检测端连接第二开关组的第三开关接口；电压检测电路用于监测电容组的充电电压信号，还用于监测放电模块的放电电压信号；
控制器；控制器分别连接电压检测电路的输出端、第一开关组的控制接口、第二开关组的控制接口和放电模块的控制端；控制器在接收到充电监测指令时，控制放电模块断开，以及控制第一开关组和第二开关组导通，并采集充电电压信号，得到充电电压；控制器在接收到放电检测指令时，控制放电模块导通，以及控制第一开关组和第二开关组断开，并采集放电电压信号，得到放电电压。
在其中一个实施例中，放电模块包括第一开关器件和放电负载；
第一开关器件的第一端连接放电负载的第一端，第二端连接电容组的一端，第三端连接控制器；放电负载的第二端连接电容组的另一端。
在其中一个实施例中，第一开关组包括至少两个串联的第二开关器件。
在其中一个实施例中，第二开关组包括至少两个串联的第三开关器件。
在其中一个实施例中，还包括第一隔离模块；
第一隔离模块的第一输入端连接第一开关组，第二输入端连接第二开关组，输出端连接电压检测电路。
在其中一个实施例中，还包括第二隔离模块；
第二隔离模块连接在电压检测电路与控制器之间。
在其中一个实施例中，电压检测电路包括分压电路；
分压电路的第一检测端连接第一开关组的第三开关接口，第二检测端连接第二开关组的第三开关接口，输出端连接控制器。
在其中一个实施例中，控制器包括处理芯片以及连接处理芯片的AD采集电路。
另一方面，本发明实施例还提供了一种肿瘤治疗仪，包括上位机以及上述任意一项的充放电监测电路；
上位机连接控制器。
在其中一个实施例中，还包括连接所控制器的报警装置。
上述技术方案中的一个技术方案具有如下优点和有益效果：
第一开关组连接在供电电源的正极和电容组的正极之间；第二开关组连接在供电电源的负极和电容组的负极之间；放电模块连接在电容组的正极和电容组的负极之间；电压检测电路的第一检测端连接在第一开关组的第三开关接口，第二检测端连接第二开关组的第三开关接口；控制器在接收到充电监测指令时，控制放电模块断开，以及控制第一开关组和第二开关组导通，并采集充电电压信号，得到充电电压；控制器在接收到放电检测指令时，控制放电模块导通，以及控制第一开关组和第二开关组断开，并采集放电电压信号，得到放电电压，从而实现对肿瘤治疗仪的充分电实时监测，本申请各实施例的充放电实时监控电路中，电路结构简单，提高了充放电监测的实时性。
附图说明
图1为一个实施例中充放电监测电路的第一结构示意图；
图2为一个实施例中充放电监测电路的第二结构示意图；
图3为一个实施例中充放电监测电路的第三结构示意图；
图4为一个实施例中充放电监测电路的第四结构示意图；
图5为一个实施例中充放电监测电路的第五结构示意图；
图6为一个实施例中肿瘤治疗仪的方框示意图。
具体实施方式
为了便于理解本申请，下面将参照相关附图对本申请进行更全面的描述。附图中给出了本申请的首选实施例。但是，本申请可以以许多不同的形式来实现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对本申请的公开内容更加透彻全面。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
为了解决传统的基于肿瘤治疗仪充放电监测的电路设计复杂，充放电监测延时大的问题，在一个实施例中，如图1所示，提供了一种充放电监测电路，包括电容组110以及用于向电容组110供电的供电电源120；还包括：
第一开关组130；第一开关组130的第一开关接口连接供电电源120的正极，第二开关接口连接电容组110的正极；
第二开关组140；第二开关组140的第一开关接口连接供电电源120的负极，第二开关接口连接电容组110的负极；
放电模块150；放电模块150的输入端连接电容组110的正极，输出端连接电容组110的负极；
电压检测电路160；电压检测电路160的第一检测端连接第一开关组130的第三开关接口，第二检测端连接第二开关组140的第三开关接口；电压检测电路160用于监测电容组110的充电电压信号，还用于监测放电模块150的放电电压信号；
控制器170；控制器170分别连接电压检测电路160的输出端、第一开关组130的控制接口、第二开关组140的控制接口和放电模块150的控制端；控制器170在接收到充电监测指令时，控制放电模块150断开，以及控制第一开关组130和第二开关组140导通，并采集充电电压信号，得到充电电压；控制器170在接收到放电检测指令时，控制放电模块150导通，以及控制第一开关组130和第二开关组140断开，并采集放电电压信号，得到放电电压。
其中，电容组110可用来存储电能，还可将存储的电能传输给脉冲发生器，使得脉冲发生器产生电脉冲信号；电容组110可以是由多个电容并联组成，电容组110也可以是有多个电容串联组成。供电电源120可以是直流高压电源，例如供电电源120可以是千伏级的高压电源。第一开关组130可用来控制供电电源120的正极与电容组110的正极之间的通断；第二开关组140可用来控制供电电源120的负极与电容组110的负极之间的通断。放电模块150可用来对电容组110存储的电能进行放电，还可用来控制电容组110的放电通路的通断。电压检测电路160可用来对输入电容组110两端的电源信号进行电压检测；例如电压检测电路160可获取电源信号，并对获取到的电源信号进行转换(例如滤波和/或分压)处理，进而可得到对应电源信号的充电电压信号。电压检测电路160还可用来对放电模块150两端的放电信号进行电压检测；例如电压检测电路160可获取放电信号，并对获取到的放电信号进行转换(例如滤波和/或分压)处理，进而可得到对应放电信号的放电电压信号。控制器170指的是具有 信号传输和信号采集处理等功能的处理器件。
充电电压信号指的是模拟式的充电电压信号，充电电压指的是数字式的充电电压；放电电压信号指的是模拟式的放电电压信号，放电电压指的是数字式的放电电压。
需要说明的是，充电监测指令可以是用户请求生成，也可以是有系统判定满足充电监测条件时自动生成的。放电检测指令可以是用户请求生成，也可以是有系统判定满足放电监测条件时自动生成的。
具体地，基于第一开关组130连接在供电电源120的正极和电容组110的正极之间；第二开关组130连接在供电电源120的负极和电容组110的负极之间；放电模块150连接在电容组110的正极和电容组110的负极之间；控制器170分别连接第一开关组130、第二开关组140和放电模块150，控制器170可根据接收到的监测指令(如充电监测指令和放电监测指令)，分别控制第一开关组130、第二开关组140和放电模块150的通断，进而实现可肿瘤治疗仪充电监测通路和放电监测通路的切换，简化了充放电监测电路。
基于电压检测电路160的第一检测端连接在第一开关组130的第三开关接口，第二检测端连接第二开关组140的第三开关接口；控制器170连接电压检测电路160，进而控制器170在接收到充电监测指令时，控制放电模块150断开，以及控制第一开关组130和第二开关组140导通，并采集充电电压信号，得到充电电压；控制器170在接收到放电检测指令时，控制放电模块150导通，以及控制第一开关组130和第二开关组140断开，并采集放电电压信号，得到放电电压，从而实现对肿瘤治疗仪的充分电实时监测。
上述的充放电实时监控电路中，通过控制器分别控制第一开关组、第二开关组和放电模块的通断，从而实现肿瘤治疗仪充电监测通路和放电监测通路的 切换，简化了充放电监测电路，通过控制器采集充电电压信号和放电电压信号，并对采集到的充电电压信号和放电电压信号进行处理，进而实现肿瘤治疗仪的充电电压和充电电流的实时监测，提高了充放电监测的实时性。
在一个实施例中，如图2所示，提供了一种充放电监测电路，包括控制器270，电容组210，用于向电容组供电的供电电源220，连接在供电电源220的正极与电容组210的正极之间的第一开关组230，连接在供电电源220的负极与电容组210的负极之间的第二开关组240，连接在电容组210的正极与电容组210的负极之间的放电模块250，连接在第一开关组230与第二开关组240之间的电压检测电路260。控制器270分别连接电压检测电路260、第一开关组230、第二开关组240和放电模块250。
其中，放电模块250包括第一开关器件252和放电负载254；第一开关器件252的第一端连接放电负载254的第一端，第二端连接电容组210的一端，第三端连接控制器270；放电负载254的第二端连接电容组210的另一端。
具体而言，第一开关器件252指的是可以使电路开路、使电流中断或使其流到其他电路的电子元件。第一开关器件252可以但不限于是MOSFET开关器件和IGBT开关。放电负载254可用来消耗电容组的电能。
基于第一开关器件252的第一端连接放电负载254的第一端，第一开关器件252的第二端连接电容组210的一端，第一开关器件252的第三端连接控制器270；放电负载254的第二端连接电容组210的另一端。控制器270可通过第一开关器件252的通断，实现对电容组放电通道的通断控制，进而控制器270在接收到充电监测指令时，控制第一开关器件252断开，以及控制第一开关组230和第二开关组240导通，并采集充电电压信号，得到充电电压，实现对充电电压的实时监测；控制器270在接收到放电检测指令时，控制第一开关器件252 导通，以及控制第一开关组230和第二开关组240断开，并采集放电电压信号，得到放电电压，实现对放电电压的实时监测。
在一个实施例中，如图3所示，提供了一种充放电监测电路，包括控制器370，电容组310，用于向电容组310供电的供电电源320，连接在供电电源320的正极与电容组310的正极之间的第一开关组330，连接在供电电源320的负极与电容组310的负极之间的第二开关组340，连接在电容组310的正极与电容组310的负极之间的放电模块350，连接在第一开关组330与第二开关组340之间的电压检测电路360；控制器370分别连接电压检测电路360、第一开关组330、第二开关组340和放电模块350。其中，第一开关组330包括至少两个串联的第二开关器件332。
具体地，第二开关器件332指的是可以使电路开路、使电流中断或使其流到其他电路的电子元件。第二开关器件332可以但不限于是MOSFET开关器件和IGBT开关。
例如，第一开关组330包括两个串联的第二开关器件332，电压检测电路360的第一检测端连接在两个串联的第二开关器件332之间。进而控制器370在接收到充电监测指令时，控制放电模块350断开，控制第二开关组340导通，以及控制两个串联的第二开关器件332均导通，并采集充电电压信号，得到充电电压，实现对充电电压的实时监测；控制器370在接收到放电检测指令时，控制放电模块350导通，控制第二开关组340断开，以及控制两个串联的第二开关器件332均断开，并采集放电电压信号，得到放电电压，实现对放电电压的实时监测。
需要说明的是，电压检测电路的第一检测端还可连接在第二开关器件与供电电源之间的连接线上。
在一个具体的实施例中，如图3所示，第二开关组340包括至少两个串联的第三开关器件342。
具体地，第三开关器342件指的是可以使电路开路、使电流中断或使其流到其他电路的电子元件。第三开关器件342可以但不限于是MOSFET开关器件和IGBT开关。
例如，第二开关组340包括两个串联的第三开关器件342，电压检测电路360的第二检测端连接在两个串联的第三开关器件342之间。进而控制器370在接收到充电监测指令时，控制放电模块350断开，控制第一开关组330导通，以及控制两个串联的第三开关器件342均导通，并采集充电电压信号，得到充电电压，实现对充电电压的实时监测；控制器370在接收到放电检测指令时，控制放电模块350导通，控制第一开关组330断开，以及控制两个串联的第三开关器件342均断开，并采集放电电压信号，得到放电电压，实现对放电电压的实时监测。
需要说明的是，电压检测电路的第二检测端还可连接在第三开关器件与供电电源之间的连接线上。
在一个实施例中，如图4所示，提供了一种充放电监测电路，包括控制器470，电容组410，用于向电容组410供电的供电电源420，连接在供电电源420的正极与电容组410的正极之间的第一开关组430，连接在供电电源420的负极与电容组410的负极之间的第二开关组440，连接在电容组410的正极与电容组410的负极之间的放电模块450，连接在第一开关组430与第二开关组440之间的电压检测电路460；控制器470分别连接电压检测电路460、第一开关组430、第二开关组440和放电模块450。其中，充放电监测电路460还包括第一隔离模块480。第一隔离模块480的第一输入端连接第一开关组430，第二输入端连接 第二开关组440，输出端连接电压检测电路460。
其中，第一隔离模块480可以但不限于是外光路光电耦合器和内光路光电耦合器。
具体而言，基于第一隔离模块480连接在电压检测电路460与开关组(第一开关组430和第二开关组440)之间，供电电源420在向电容组410充电过程中，可将输出的电源信号传输给第一隔离模块480，通过第一隔离模块480对电源信号进行隔离转换处理，并将处理后的电源信号传输给电压检测电路460，使得电压检测电路460根据电源信号，得到充电电压信号，实现对电源信号与充电电压信号的隔离。电容组410向放电模块450放电过程中，可将输出的放电信号传输给第一隔离模块480，通过第一隔离模块480对放电信号进行隔离转换处理，并将处理后的放电信号传输给电压检测电路460，使得电压检测电路460根据放电信号，得到放电电压信号，实现对放电信号与放电电压信号的隔离，进而提高了在开关组侧的信号传输的抗干扰能力。
需要说明的是，如图4所示，第一隔离模块的数量为至少1个。例如，充放电监测电路包括2个或2个以上的第二隔离模块480时，各第二隔离模块480串联在电压检测电路460与开关组(第一开关组430和第二开关组440)之间。
在一个实施例中，如图4所示，充放电监测电路还包括第二隔离模块490；第二隔离模块490连接在电压检测电路460与控制器470之间。
其中，第二隔离模块490可以但不限于是外光路光电耦合器和内光路光电耦合器。
具体而言，基于第二隔离模块490连接在电压检测电路460与控制器470之间，在控制器470的信号采集过程中，可将电压检测电路460输出的电压信号(充电电压信号或放电电压信号)传输给第二隔离模块490，通过第二隔离模 块490对电压信号(充电电压信号或放电电压信号)进行隔离转换处理，并将处理后的电压信号(充电电压信号或放电电压信号)传输给控制器470，进而可根据采集到的电压信号(充电电压信号或放电电压信号)，得到相应的充电电压或放电电压，实现对充电电压信号与充电电压(或放电电压信号与放电电压)的隔离，进而提高了在控制器侧的信号传输的抗干扰能力。
需要说明的是，如图4所示，第二隔离模块490的数量为至少1个。例如充放电监测电路包括2个或2个以上的第二隔离模块490时，各第二隔离模块490串联在电压检测电路460与控制器470之间。
在一个实施例中，如图5所示，提供了一种充放电监测电路，包括控制器570，电容组510，用于向电容组510供电的供电电源520，连接在供电电源5420的正极与电容组510的正极之间的第一开关组530，连接在供电电源520的负极与电容组510的负极之间的第二开关组540，连接在电容组510的正极与电容组510的负极之间的放电模块550，连接在第一开关组530与第二开关组540之间的电压检测电路560；控制器570分别连接电压检测电路560、第一开关组530、第二开关组540和放电模块550。其中，电压检测电路560包括分压电路562；分压电路562的第一检测端连接第一开关组530的第三开关接口，第二检测端连接第二开关组540的第三开关接口，输出端连接控制器570。
其中，分压电路562可由一个分压电阻组成，也可以是由多个分压电阻串联组成。需要说明的是，分压电阻的阻值大小可根据控制设备的采集参数要求计算得到。
具体地，基于分压电路562连接在控制器与开关组(第一开关组和第二开关组)之间，分压电路562可对接收到的电源信号进行分压，得到相应的充电电压信号，进而控制器570可采集该充电电压信号，得到充电电压，实现对肿 瘤治疗仪充电电压的实时监测；分压电路562可对接收到的放电信号进行分压，得到相应的放电电压信号，进而控制器570可采集该放电电压信号，得到放电电压，实现对肿瘤治疗仪放电电压的实时监测。
在一个示例中，电压检测电路还可包括连接分压电路的滤波电路；滤波电路可对充电电压信号进行滤波处理，进而可得到滤波处理后的充电电压信号，使得控制器采集到的充电电压信号更加准确；滤波电路可对放电电压信号进行滤波处理，进而可得到滤波处理后的放电电压信号，使得控制器采集到的放电电压信号更加准确。
上述的充放电实时监控电路中，通过分压电路对电压信号(充电电压信号和放电电压信号)进行分压处理，使得分压后的电压信号(充电电压信号和放电电压信号)能够满足控制器的采集参数要求，同时提高了充电电压监测的精确度。
在一个具体的实施例中，如图5所示，控制器570包括处理芯片572以及连接处理芯片572的AD采集电路574。
其中，处理芯片572可以但不限于是单片机芯片，ARM处理芯片和FPGA处理芯片。AD采集电路574指的是能够对信号进行模数转换的采集电路。
具体地，基于处理芯片572连接AD采集电路574，AD采集电路574连接电压检测电路560。处理芯片572可驱动AD采集电路574工作，进而AD采集电路574可采集电压检测电路560输出的充电电压信号，并通过模数转换处理将模拟式的充电电压信号转换成数字式的充电电压，且将数字式的充电电压传输给处理芯片572，实现对充电电压的实时监测；AD采集电路574还可采集电压检测电路560输出的放电电压信号，并通过模数转换处理将模拟式的放电电压信号转换成数字式的放电电压，且将数字式的放电电压传输给处理芯片572， 实现对放电电压的实时监测。
在一个示例中，处理芯片可将充电电压和放电电压传输给上位机，通过上位机对充电电压和放电电压进行实时监测。
在一个实施例中，如图6所示，还提供了一种肿瘤治疗仪，包括上位机640以及上述任意一项的充放电监测电路620；上位机610连接控制器。
其中，上位机610可以但不限于是平板电脑和PC(personal computer)机。
具体而言，电压检测电路可检测供电电源向电容组输出的电源信号，进而得到充电电压信号；控制器采集充电电压信号，进而可将采集到的充电电压传输给上位机，实现对肿瘤治疗仪充电电压实时监测；电压检测电路还可检测电容组想放电模块输出的电源信号，进而得到放电电压信号；控制器采集放电电压信号，进而可将采集到的放电电压传输给上位机，实现对肿瘤治疗仪放电电压实时监测，肿瘤治疗仪电路结构简单，提高了脉冲监测的实时性。
进一步的，上位机610还可显示对应充电电压和充电电流的波形图，便于用户能够通过观察相应的波形图，以及根据波形图相应的操控肿瘤治疗仪。
在一个具体的实施例中，如图6所示，还包括连接所控制器的报警装置630。
其中，报警装置630可以是闪烁灯或蜂鸣器，也可以是闪烁灯和蜂鸣器的组合。
具体地，控制器可对充电电压和放电电压进行处理，在充电电压出现异常(如充电电压超出安全阈值)时，则触发报警装置630，使得报警装置630产生警报；在放电电压出现异常(如放电电压超出安全阈值)时，则触发报警装置630，使得报警装置630产生警报，实现及时响应肿瘤治疗仪的监测情况，增强了肿瘤治疗仪的安全性能。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对 上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种充放电监测电路，其特征在于，包括电容组以及用于向所述电容组供电的供电电源；还包括：
    第一开关组；所述第一开关组的第一开关接口连接所述供电电源的正极，第二开关接口连接所述电容组的正极；
    第二开关组；所述第二开关组的第一开关接口连接所述供电电源的负极，第二开关接口连接所述电容组的负极；
    放电模块；所述放电模块的输入端连接所述电容组的正极，输出端连接所述电容组的负极；
    电压检测电路；所述电压检测电路的第一检测端连接所述第一开关组的第三开关接口，第二检测端连接所述第二开关组的第三开关接口；所述电压检测电路用于监测所述电容组的充电电压信号，还用于监测所述放电模块的放电电压信号；
    控制器；所述控制器分别连接所述电压检测电路的输出端、所述第一开关组的控制接口、所述第二开关组的控制接口和所述放电模块的控制端；所述控制器在接收到充电监测指令时，控制所述放电模块断开，以及控制所述第一开关组和所述第二开关组导通，并采集所述充电电压信号，得到充电电压；所述控制器在接收到放电检测指令时，控制所述放电模块导通，以及控制所述第一开关组和所述第二开关组断开，并采集所述放电电压信号，得到放电电压。
  2. 根据权利要求1所述的充放电监测电路，其特征在于，所述放电模块包括第一开关器件和放电负载；
    所述第一开关器件的第一端连接所述放电负载的第一端，第二端连接所述 电容组的一端，第三端连接所述控制器；所述放电负载的第二端连接所述电容组的另一端。
  3. 根据权利要求1所述的充放电监测电路，其特征在于，所述第一开关组包括至少两个串联的第二开关器件。
  4. 根据权利要求1所述的充放电监测电路，其特征在于，所述第二开关组包括至少两个串联的第三开关器件。
  5. 根据权利要求1所述的充放电监测电路，其特征在于，还包括第一隔离模块；
    所述第一隔离模块的第一输入端连接所述第一开关组，第二输入端连接所述第二开关组，输出端连接所述电压检测电路。
  6. 根据权利要求5所述的充放电监测电路，其特征在于，还包括第二隔离模块；
    所述第二隔离模块连接在所述电压检测电路与所述控制器之间。
  7. 根据权利要求1所述的充放电监测电路，其特征在于，所述电压检测电路包括分压电路；
    所述分压电路的第一检测端连接所述第一开关组的第三开关接口，第二检测端连接所述第二开关组的第三开关接口，输出端连接所述控制器。
  8. 根据权利要求1至7任意一项所述的充放电监测电路，其特征在于，所述控制器包括处理芯片以及连接所述处理芯片的AD采集电路。
  9. 一种肿瘤治疗仪，其特征在于，包括上位机以及权利要求1至8任意一项所述的充放电监测电路；
    所述上位机连接控制器。
  10. 根据权利要求9所述的肿瘤治疗仪，其特征在于，还包括连接所控制 器的报警装置。
PCT/CN2020/106410 2019-08-06 2020-07-31 充放电监测电路及肿瘤治疗仪 Ceased WO2021023128A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20849615.8A EP4012880B1 (en) 2019-08-06 2020-07-31 Charging and discharging monitoring circuit and tumor therapy instrument

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910720954.2A CN112336444A (zh) 2019-08-06 2019-08-06 充放电监测电路及肿瘤治疗仪
CN201910720954.2 2019-08-06

Publications (1)

Publication Number Publication Date
WO2021023128A1 true WO2021023128A1 (zh) 2021-02-11

Family

ID=74366401

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/106410 Ceased WO2021023128A1 (zh) 2019-08-06 2020-07-31 充放电监测电路及肿瘤治疗仪

Country Status (3)

Country Link
EP (1) EP4012880B1 (zh)
CN (1) CN112336444A (zh)
WO (1) WO2021023128A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114594411A (zh) * 2022-03-07 2022-06-07 国网四川省电力公司营销服务中心 一种熔断器熔断件的弧前时间-电流特性检测系统

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101618253A (zh) * 2008-07-01 2010-01-06 深圳迈瑞生物医疗电子股份有限公司 一种除颤系统中充放电保护装置及除颤充放电保护方法
GB2489498A (en) * 2011-03-31 2012-10-03 Nexus Alpha Low Power Systems Ltd A battery charger and method using an irregular power source such as a solar panel and which comprises super-capacitors.
CN105429226A (zh) * 2015-12-16 2016-03-23 重庆西南集成电路设计有限责任公司 大容量充放电电池管理系统
JP2016088178A (ja) * 2014-10-31 2016-05-23 日立化成株式会社 電源システムおよび自動車
TWI551000B (zh) * 2015-12-15 2016-09-21 國立勤益科技大學 直流緊急備用電源系統
US9917464B2 (en) * 2015-10-01 2018-03-13 Getac Technology Corporation Electronic apparatus and charging/discharging management method thereof
JP6397720B2 (ja) * 2014-10-22 2018-09-26 日鉄住金テックスエンジ株式会社 充放電電源の電圧校正方法及びその電圧校正用装置
CN207926262U (zh) * 2018-02-05 2018-09-28 湖北工业大学 基于单片机控制的不间断直流供电电源
CN208369238U (zh) * 2018-04-16 2019-01-11 北京国电光宇新技术开发有限公司 一种充放电及充电电压调节装置
CN109787322A (zh) * 2019-03-08 2019-05-21 东莞亿动智能科技有限公司 一种并联电池组及其电压均衡方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003215172A (ja) * 2002-01-23 2003-07-30 Seiko Epson Corp 充放電電流検出回路および可変抵抗器
CN201215570Y (zh) * 2008-04-09 2009-04-01 深圳和而泰智能控制股份有限公司 一种电池电压检测电路
CN201319516Y (zh) * 2008-11-26 2009-09-30 广州西格美信电子科技有限公司 用于移动设备的自适应外挂电池
CN202682564U (zh) * 2012-05-30 2013-01-23 张涛 全时段高压陡脉冲癌症治疗仪
US9735601B2 (en) * 2015-09-09 2017-08-15 The Florida International University Board Of Trustees Systems and techniques for energy storage regulation
US11128158B2 (en) * 2016-03-09 2021-09-21 Servato Corp. Battery management system and related techniques for adaptive, dynamic control of battery charging
CN108303656B (zh) * 2018-02-28 2024-04-09 长沙优力电驱动系统有限公司 电池包充放电测试装置
CN208547706U (zh) * 2018-07-26 2019-02-26 深圳拓邦股份有限公司 一种充电电池充放电电流检测电路及使用充电电池的电器

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101618253A (zh) * 2008-07-01 2010-01-06 深圳迈瑞生物医疗电子股份有限公司 一种除颤系统中充放电保护装置及除颤充放电保护方法
GB2489498A (en) * 2011-03-31 2012-10-03 Nexus Alpha Low Power Systems Ltd A battery charger and method using an irregular power source such as a solar panel and which comprises super-capacitors.
JP6397720B2 (ja) * 2014-10-22 2018-09-26 日鉄住金テックスエンジ株式会社 充放電電源の電圧校正方法及びその電圧校正用装置
JP2016088178A (ja) * 2014-10-31 2016-05-23 日立化成株式会社 電源システムおよび自動車
US9917464B2 (en) * 2015-10-01 2018-03-13 Getac Technology Corporation Electronic apparatus and charging/discharging management method thereof
TWI551000B (zh) * 2015-12-15 2016-09-21 國立勤益科技大學 直流緊急備用電源系統
CN105429226A (zh) * 2015-12-16 2016-03-23 重庆西南集成电路设计有限责任公司 大容量充放电电池管理系统
CN207926262U (zh) * 2018-02-05 2018-09-28 湖北工业大学 基于单片机控制的不间断直流供电电源
CN208369238U (zh) * 2018-04-16 2019-01-11 北京国电光宇新技术开发有限公司 一种充放电及充电电压调节装置
CN109787322A (zh) * 2019-03-08 2019-05-21 东莞亿动智能科技有限公司 一种并联电池组及其电压均衡方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4012880A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114594411A (zh) * 2022-03-07 2022-06-07 国网四川省电力公司营销服务中心 一种熔断器熔断件的弧前时间-电流特性检测系统

Also Published As

Publication number Publication date
EP4012880A4 (en) 2022-12-14
EP4012880B1 (en) 2023-12-27
CN112336444A (zh) 2021-02-09
EP4012880A1 (en) 2022-06-15

Similar Documents

Publication Publication Date Title
US20210231726A1 (en) Insulation detection circuit, detection method and battery management system
CN102664433A (zh) 基于双向dc/dc的电池均衡系统
CN111374750B (zh) 脉冲实时监控电路及肿瘤治疗仪
CN103199832A (zh) Igbt驱动保护电路及系统
WO2016019667A1 (zh) 用于充电电池的充电电路和系统
CN109814437A (zh) 零功耗待机唤醒电路及电器设备
CN105301478A (zh) 一种3.7v电池单串保护板的检测装置和检测方法
CN202798440U (zh) 一种智能型变频器制动单元
CN107493092A (zh) 大脉冲电流发生装置及其控制方法
WO2021023128A1 (zh) 充放电监测电路及肿瘤治疗仪
CN102769336B (zh) 一种用于紧急电力供给电源的单相逆变器
CN211123134U (zh) 一种igbt特性测试装置
CN116990608A (zh) 电池管理系统过电流保护功能的测试装置、系统及方法
CN103490390A (zh) 具有双重保护功能的电池管理系统及方法
CN202424663U (zh) Igbt驱动保护电路及系统
CN201298735Y (zh) 一种锂离子电池保护装置及其应用装置
CN211351758U (zh) 电容电路及电容装置
WO2022217721A1 (zh) 智慧电池
CN211351753U (zh) 一种电池管理系统的控制电路及电池管理系统
CN209614522U (zh) 一种集铅酸蓄电池充电控制和弧焊机焊接控制于一体的控制电路
CN202502236U (zh) 避雷器在线监测仪校验装置
CN103595099B (zh) 一种智能数字充电监测表
CN108448681A (zh) 一种电池管理系统的充电器在线侦测方法
CN106855700A (zh) 一种用于配网线路柱上开关的智能控制终端
CN218040766U (zh) 一种用于变流器的直流侧过电压保护模块

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20849615

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2020849615

Country of ref document: EP

Effective date: 20220307