阅读说明：本技术 除颤仪 (Defibrillator ) 是由 陈大兵 袁博 于 2019-06-28 设计创作，主要内容包括：一种除颤仪(1),包括储能放电模块(10)、开关模块(20)、第一电极片(40)、及第二电极片(50),储能放电模块(10)通过开关模块(20)与第一电极片(40)及第二电极片(50)电连接,开关模块(20)包括多个开关单元(200)；多个开关单元(200)中的至少一个开关单元(200)包括开关器件(210)及与开关器件(210)并联的至少一个用于分流的辅助器件(220)；或者多个开关单元(200)中的至少一个开关单元(200)包括串联的多个开关器件(210)。该除颤仪(1)中每个开关器件(210)上所承受的电应力较小,有利于提升开关器件(210)的稳定性,保障除颤仪(1)正常工作。(A defibrillator (1) comprises an energy storage and discharge module (10), a switch module (20), a first electrode plate (40) and a second electrode plate (50), wherein the energy storage and discharge module (10) is electrically connected with the first electrode plate (40) and the second electrode plate (50) through the switch module (20), and the switch module (20) comprises a plurality of switch units (200); at least one switching unit (200) of the plurality of switching units (200) comprises a switching device (210) and at least one auxiliary device (220) for shunting, which is connected with the switching device (210) in parallel; or at least one switching cell (200) of the plurality of switching cells (200) comprises a plurality of switching devices (210) in series. The electric stress borne by each switch device (210) in the defibrillator (1) is small, so that the stability of the switch devices (210) is improved, and the normal work of the defibrillator (1) is guaranteed.)

A defibrillator is characterized by comprising an energy storage and discharge module, a switch module, a first electrode plate and a second electrode plate, wherein the energy storage and discharge module is electrically connected with the first electrode plate and the second electrode plate through the switch module; at least one of the plurality of switching units comprises a switching device and at least one auxiliary device for shunting, which is connected with the switching device in parallel; or at least one of the plurality of switching cells includes a plurality of switching devices connected in series.

The defibrillator of claim 1, wherein the energy storage and discharge module comprises a first energy storage and discharge unit, the switch module comprises a first switch unit, the defibrillator further comprises a first relay, the first energy storage and discharge unit is electrically connected to the first relay via the first switch unit, and the first relay is electrically connected to the first and second electrode pads, respectively; the first switching unit comprises a first switching device and at least one auxiliary device connected with the first switching device in parallel; or the first switch unit comprises a plurality of first switch devices connected in series.

The defibrillator of claim 1 wherein the auxiliary device comprises at least one or more of a resistor, a capacitor, and a resistor in series with a capacitor.

The defibrillator of claim 2 wherein when the first switching unit includes a plurality of first switching devices in series, the first switching unit further includes an auxiliary device in parallel with at least one first switching device.

The defibrillator of claim 2 wherein the first energy storage discharge unit comprises a first capacitor and a first diode, the positive pole of the first diode being electrically connected to the negative pole of the first capacitor, the negative pole of the first diode being electrically connected to the positive pole of the first capacitor.

The defibrillator of any one of claims 2-5, wherein the switch module further comprises a second switch unit, the first energy storage discharge unit is further electrically connected to the first relay via the second switch unit, the first switch unit is electrically connected to the first electrode pad when the first relay is closed, the second switch unit is electrically connected to the second electrode pad, and the first energy storage discharge unit performs a first type discharge to the first electrode pad and the second electrode pad via the first switch unit, the second switch unit, and the first relay; the second switching unit comprises a second switching device and at least one auxiliary device connected with the second switching device in parallel; or the second switching unit includes a plurality of second switching devices connected in series.

The defibrillator of claim 6, wherein the first switching device is a MOSFET or an IGBT, wherein the second switching device is a MOSFET or an IGBT, and wherein the first switching device and the second switching device are directly connected to the first energy storage discharge unit.

The defibrillator of claim 6, wherein the first switching device is an SCR and the second switching device is an SCR, the first and second switching devices being connected to the first energy storage discharge unit by a control switch, the first energy storage discharge unit breaking a path between the first and second switching units when the control switch is open.

The defibrillator of claim 8, wherein the control switch comprises a control switching device and at least one auxiliary device connected in parallel with the control switching device; or the control switch comprises a plurality of control switch devices connected in series.

The defibrillator of claim 1 wherein the energy storage discharge module comprises a first energy storage discharge unit and a second energy storage discharge unit, the first energy storage discharge unit and the second energy storage discharge unit cooperating to perform a second type of discharge.

The defibrillator of claim 10, wherein the second energy storage discharge unit comprises a second capacitor and a second diode, wherein an anode of the second diode is electrically connected to a cathode of the second capacitor, and wherein a cathode of the second diode is electrically connected to an anode of the second capacitor.

The defibrillator of claim 10, wherein the switching module further comprises a third switching unit, the second energy storage discharge unit being electrically connected to the first relay via the third switching unit; the third switching unit comprises a third switching device and at least one auxiliary device connected with the third switching device in parallel; or the third switching unit includes a plurality of third switching devices connected in series.

The defibrillator of claim 12, wherein the switch module further comprises a fourth switch unit, the second energy storage and discharge unit is further electrically connected to a first relay via the fourth switch unit, the third switch unit is electrically connected to the first electrode pad, the fourth switch unit is electrically connected to the second electrode pad when the first relay is closed, and the first and second energy storage and discharge units perform a second type of discharge to the first and second electrode pads via the third switch unit, the fourth switch unit, and the first relay; the fourth switching unit comprises a fourth switching device and at least one auxiliary device connected in parallel with the fourth switching device; or the fourth switching unit comprises a plurality of fourth switching devices connected in series.

The defibrillator of claim 1, further comprising a current limiting module for limiting a discharge current of the energy storage discharge module when discharging to the first and second electrode pads.

The defibrillator of claim 14, wherein the current limiting module comprises a current limiting resistor.

The defibrillator of claim 15, wherein the current limiting module further comprises a current limiting inductor in series with the current limiting resistor, and a third diode or a plurality of third diodes in series for clamping and protecting the current limiting resistor and the current limiting inductor.

The defibrillator of claim 1, further comprising a processing module, a second relay, and a bleed-off module, the second relay being electrically connected to the bleed-off module, the processing module controlling the second relay to close when the energy storage discharge module finishes discharging to the first and second electrode pads, the energy storage discharge module discharging to the bleed-off module via the second relay.

The defibrillator of claim 17, wherein the bleeding module includes a resistor.