CN217390846U - High-frequency operation circuit with self-checking function - Google Patents
High-frequency operation circuit with self-checking function Download PDFInfo
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- CN217390846U CN217390846U CN202220371624.4U CN202220371624U CN217390846U CN 217390846 U CN217390846 U CN 217390846U CN 202220371624 U CN202220371624 U CN 202220371624U CN 217390846 U CN217390846 U CN 217390846U
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Abstract
The utility model discloses a high-frequency operation circuit with self-checking function, relating to the technical field of medical instruments, which comprises an energy generation module, a switching module, an energy output module, a self-checking module and a control module; the control module is connected with the energy generation module and is used for controlling the energy generation module to generate an energy signal; the output end of the energy generation module is connected with the input end of the energy output module through a first branch of the switching module, and the output end of the energy generation module is connected with the input end of the self-checking module through a second branch of the switching module; the control module is connected with the output end of the self-checking module and the control end of the switching module and used for controlling the switching module to conduct the first branch or the second branch. The utility model provides a high frequency operation circuit with self-checking function can carry out accurate self-checking to the energy signal who plans the output earlier when high frequency operation circuit switches on to improve equipment's safety in utilization.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a high-frequency operation circuit with a self-checking function.
Background
High frequency surgical equipment performs surgical operations through surgical electrodes, so the high frequency surgical equipment is also called an electric knife and is an electric surgical instrument for replacing a mechanical surgical knife to cut tissues. The high-voltage current generated by the tip of the operation electrode heats the tissue when contacting with the body, so as to realize the separation and coagulation of the tissue of the body, thereby achieving the purposes of cutting and hemostasis, and achieving the effect of the operation. The high-frequency operation equipment is widely used in common operations and endoscopic operations, and the accuracy of the output current, voltage and frequency directly influences the operation effect.
At present, when high-frequency operation equipment is started, namely when the equipment is initialized, self-checking can not be carried out on output voltage, only an average value method can be adopted to measure voltage and current in the use process, and because tissue impedance is always changed and the waveform is changed when cutting and blood coagulation are carried out, the measurement error of the voltage and the current by the average value method is large, the accuracy is not high enough, and the high-frequency operation equipment can not be applied to detection when the equipment is started. Because the self-checking can not be carried out on the output voltage when the high-frequency operation equipment is started, an operator can not judge whether the voltage during the starting meets the operation requirement or not.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a high-frequency operation circuit with a self-checking function, which can perform accurate self-checking on an energy signal to be output when the high-frequency operation circuit is switched on, so that the use safety of equipment is improved.
The embodiment of the application provides a high-frequency operation circuit with a self-checking function on one hand, and the high-frequency operation circuit comprises an energy generation module, a switching module, an energy output module, a self-checking module and a control module; the control module is connected with the energy generation module and is used for controlling the energy generation module to generate an energy signal; the output end of the energy generation module is connected with the input end of the energy output module through a first branch of the switching module, the output end of the energy generation module is connected with the input end of the self-checking module through a second branch of the switching module, and the self-checking module is used for detecting an electric signal on the second branch and feeding the electric signal back to the control module; the control module is connected with the output end of the self-checking module, and the control module is also connected with the control end of the switching module and used for controlling the switching-on of the first branch or the second branch of the switching module, so that the energy signal generated by the energy generation module is output to the self-checking module or the energy output module.
As a practical mode, the first branch circuit comprises a first relay and a first transistor; the one end and the first input that predetermine the power of the coil of first relay are connected, and the input of first transistor is connected to the other end of the coil of first relay, and the output ground connection of first transistor switches the control end of module and includes: a control terminal of the first transistor.
As a practical manner, the first branch further includes: a first diode and a first capacitor; the anode of the first diode is connected with the other end of the coil of the first relay, and the cathode of the first diode is connected with one end of the coil of the first relay; the first preset power supply is also grounded through the first capacitor.
As a practical way, the second branch includes: a second relay and a second transistor; coil one end and the second of second relay are predetermine the power and are connected, and the input of second transistor is connected to the coil other end of second relay, and the output ground connection of second transistor switches the control end of module and still includes: a control terminal of the second transistor.
As a practical manner, the second branch further includes: a second diode and a second capacitor; the anode of the second diode is connected with the other end of the coil of the second relay, and the cathode of the second diode is connected with one end of the coil of the second relay; the second preset power supply is also grounded through a second capacitor.
As one practical way, the self-checking module comprises: a transformer and a rectifier module; the primary terminal of the transformer is the input end of the self-checking module, the secondary terminal of the transformer is connected with the alternating current output end of the rectifying module, and the direct current output end of the rectifying module is the output end of the self-checking module.
As a practical way, the self-checking module further includes: a voltage dividing circuit provided between secondary terminals of the transformer: and the voltage division point of the voltage division circuit is connected with the alternating current input end of the rectification module.
As an implementable mode, the rectification module comprises a first operational amplifier and a second operational amplifier, the equidirectional input end of the first operational amplifier is grounded through a first resistor, the reverse input end of the first operational amplifier is connected with a voltage division point through a second resistor, the reverse input end of the first operational amplifier is also connected with the output end of the first operational amplifier through a third diode, the anode of the third diode is connected with the output end of the first operational amplifier, the output end of the first operational amplifier is connected with the reverse input end of the second operational amplifier through a fourth diode and a third resistor, the cathode of the fourth diode is connected with the output end of the first operational amplifier, the anode of the fourth diode is connected with the reverse input end of the first operational amplifier through a fourth resistor, the reverse input end of the second operational amplifier is connected with the voltage division point through a fifth resistor, the reverse input end of the second operational amplifier is also connected with the output end of the second operational amplifier through a sixth resistor, and the output end of the second operational amplifier is the output end of the self-checking module, the equidirectional input end of the second operational amplifier is grounded through a seventh resistor.
As an implementation manner, the control module includes a control unit and an analog-to-digital conversion module connected to the control unit, an analog end of the analog-to-digital conversion module is connected to an output end of the self-checking module, a digital end of the analog-to-digital conversion module is connected to an input end of the control unit, a first output end of the control unit is connected to a control end of the energy generation module, and a second output end of the control unit is connected to a control end of the switching module.
As an implementable mode, the high-frequency operation circuit with the self-checking function further comprises an output feedback module, wherein the input end of the output feedback module is connected with the output end of the energy output module, and the output end of the output feedback module is connected with the input end of the control module and used for detecting the output signal of the energy output module and feeding the output signal back to the control module.
According to another aspect of the embodiments of the present application, there is provided an hf surgical device, which includes any one of the hf surgical circuits with self-checking function and an operation part, wherein an energy output module in the hf surgical circuit is connected to the operation part.
The beneficial effects of the embodiment of the application include:
the utility model provides a self-checking circuit, which comprises an energy generation module, a switching module, an energy output module, a self-checking module and a control module; the control module is connected with the energy generation module to control the energy generation module to generate an energy signal; the output end of the energy generation module is connected with the input end of the energy output module through a first branch of the switching module, and the output end of the energy generation module is connected with the input end of the self-checking module through a second branch of the switching module; the control module is connected with the output end of the self-checking module and the control end of the switching module to control the switching module to switch on the first branch or the second branch, so that the energy signal generated by the energy generation module is output to the self-checking module or the energy output module. When high frequency operation circuit switch-on, control module control energy generation module produces energy signal, the second branch road switch-on of control end control switching module through switching module simultaneously for energy signal output to self-checking module, self-checking module detects energy signal, control module judges whether energy signal satisfies the operation demand according to energy signal's testing result, when energy signal satisfies the operation demand, control module switches over the first branch road switch-on of module through switching module's control end control, energy signal output to energy output module that energy generation module produced is in order to carry out the operation, the utility model discloses a self-checking circuit can carry out accurate self-checking to the energy signal of planning the output earlier when operation circuit switch-on, thereby improve equipment's safety in utilization.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic diagram of an exemplary embodiment of a high-frequency surgical circuit with self-test function;
FIG. 2 is a circuit diagram of an exemplary high frequency surgical circuit with self-test function according to an embodiment of the present disclosure;
FIG. 3 is a second circuit diagram of a high frequency surgical circuit with self-test function according to an embodiment of the present application;
fig. 4 is a second schematic diagram of a high-frequency surgical circuit with a self-checking function according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The utility model provides a high-frequency operation circuit with self-checking function, as shown in figure 1, comprising an energy generation module, a switching module, an energy output module, a self-checking module and a control module; the control module is connected with the energy generation module and is used for controlling the energy generation module to generate an energy signal; the output end of the energy generation module is connected with the input end of the energy output module through a first branch of the switching module, the output end of the energy generation module is connected with the input end of the self-checking module through a second branch of the switching module, and the self-checking module is used for detecting an energy signal on the second branch and feeding back the energy signal to the control module; the control module is connected with the output end of the self-checking module and the control end of the switching module to control the switching-on of the first branch or the second branch of the switching module, so that the energy signal generated by the energy generation module is output to the self-checking module or the energy output module.
When the high-frequency surgical equipment is used, the energy generation module is used for generating an energy signal, when the output end of the energy generation module is connected with the self-checking module through the second branch, the energy signal is output to the self-checking module, the self-checking module carries out signal detection on the energy signal, namely, the self-checking module obtains a sampling signal of the energy signal and rectifies the sampling signal. When the output end of the energy generation module passes through the first branch circuit and the energy output module, the energy signal is output to the energy output module.
It should be noted that, when the control module controls the switching module to switch between the first branch and the second branch, only one branch of the first branch and the second branch is in the on state at the same time.
The energy signal can be provided with fundamental waves and modulation waveform signals of various frequencies according to actual needs, and can be a high-frequency energy signal as an example, because the high-frequency energy signal can be cut quickly. And when the energy signal is a high-frequency energy signal, the corresponding energy generation module is a high-frequency amplification module.
In addition, the output module is connected with the control module through the output feedback module, the output feedback module detects the output signal of the output module and feeds the output signal back to the control module in real time, and the control module controls the energy signal of the energy generation module according to the feedback signal. For example, as shown in fig. 4, the output feedback module feeds back the output signal of the output module to the control module, and the control module processes and determines whether the output signal meets the surgical requirements, and if not, controls the energy generated by the energy generation module to adjust.
When starting high frequency operation equipment, control module control energy generation module produces energy signal, the second branch road switch-on of control end control switching module through switching module simultaneously, make energy signal output to self-checking module, self-checking module detects energy signal and feeds back to control module, control module judges whether energy signal satisfies the operation demand according to energy signal's testing result, when energy signal satisfies the operation demand, control module switches over the first branch road switch-on of module through switching module's control end control, energy signal output to energy output module that energy generation module produced is in order to perform the operation, the utility model discloses a high frequency operation circuit with self-checking function can be at accurate detection energy signal when high frequency operation circuit switches on, thereby improve equipment's safety in utilization.
Optionally, as shown in fig. 2, the first branch comprises a first relay K1 and a first transistor Q1; one end and the first power of predetermineeing V1 of the coil of first relay K1 are connected, and the input of first transistor Q1 is connected to the other end of the coil of first relay K1, and the output ground of first transistor Q1, and the control end of switching module includes: a control terminal of a first transistor Q1.
When the self-checking module passes the self-checking, the control module sends a high level to the control end of the first transistor Q1, so that the first transistor Q1 is turned on, because the first preset power supply V1 is connected with one end of the coil of the first relay K1, the other end of the coil of the first relay K1 is connected with the input end of the first transistor Q1, the output end of the first transistor Q1 is grounded, when the first transistor Q1 is turned on, the first preset power supply V1 closes the first relay K1, so that the first branch is turned on, and the energy signal generated by the energy generation module is output to the energy output module.
The utility model discloses in an achievable mode of the embodiment, first branch still includes: a first diode D1 and a first capacitor C1; the positive electrode of the first diode D1 is connected to the other end of the coil of the first relay K1, and the negative electrode of the first diode D1 is connected to one end of the coil of the first relay K1; the first preset power supply V1 is also connected to ground through a first capacitor C1.
The first preset power supply V1 is grounded through the first capacitor C1, the first capacitor C1 is used for filtering noise waves in the first preset power supply V1, pure electric signals are provided for the first relay K1 and the first transistor Q1, and the influence of the noise waves in the first preset power supply V1 on the normal work of the first relay K1 and the first transistor Q1 is avoided.
When the control module controls the first transistor D1 to be in a low level, the first transistor Q1 is turned off, because the first relay K1 is an electromagnetic device and cannot be turned off simultaneously with the first transistor Q1, there is residual induced current in the line, and in order to avoid the induced current from damaging devices on the line, a first diode D1 is arranged in parallel at two ends of the first relay K1, the positive electrode of the first diode D1 is connected with the other end of the coil of the first relay K1, and the negative electrode of the first diode D1 is connected with one end of the coil of the first relay K1, so that the residual induced current flows to the negative electrode of the first diode D1 along the positive electrode of the first diode D1, and the residual induced current is released.
Optionally, the second branch includes: a second relay K2 and a second transistor Q2; coil one end and the second of second relay K2 are predetermine power V2 and are connected, and the coil other end of second relay K2 is connected the input of second transistor Q2, and second transistor Q2's output ground connection switches over the control end of module and still includes: a control terminal of the second transistor Q2.
When the high-frequency surgical equipment is started, the control module sends a high level to the control end of the second transistor Q2, the second transistor Q2 is conducted, the second preset power supply V2 is connected with one end of the coil of the second relay K2, the other end of the coil of the second relay K2 is connected with the input end of the second transistor Q2, the output end of the second transistor Q2 is grounded, when the second transistor is conducted to Q2, the second preset power supply V2 enables the second relay K2 to be closed, the second branch is conducted, and an energy signal generated by the energy generation module is output to the self-checking module.
The second preset power supply V2 can share a power supply with the first preset power supply V1, which simplifies the circuit, and of course, the first preset power supply V1 and the second preset power supply V2 can use different power supplies respectively.
The utility model discloses in an achievable mode of the embodiment, the second branch road still includes: a second diode D2 and a second capacitor C2; the anode of the second diode D2 is connected to the other end of the coil of the second relay K2, and the cathode of the second diode D2 is connected to one end of the coil of the second relay K2; the second preset power supply V2 is also connected to ground through a second capacitor C2.
Wherein, the second predetermines power V2 through second electric capacity ground connection, and second electric capacity C2 is arranged in predetermineeing the clutter filtering in the power with the second, for second relay K2 and second transistor Q2 provide pure signal of telecommunication, has avoided the clutter in the second predetermine power V2 to influence the normal work of second relay K2 and second transistor Q2.
When the control module controls the second transistor Q2 to be in a low level, the second transistor Q2 is turned off, because the second relay K2 is an electromagnetic device and cannot be turned off simultaneously with the second transistor Q2, a residual induced current still exists in the line, in order to avoid damage of the induced current to devices on the line, a second diode D2 is arranged in parallel at two ends of the second relay K2, the anode of the second diode D2 is connected with the other end of the coil of the second relay K2, and the cathode of the second diode D2 is connected with one end of the coil of the second relay K2, so that the residual induced current flows to the cathode of the second diode D2 along the anode of the second diode D2, and the residual induced current is released.
Optionally, as shown in fig. 3, the self-checking module includes: a transformer and a rectifier module; the primary terminal of the transformer is the input end of the self-checking module, the secondary terminal of the transformer is connected with the alternating current output end of the rectifying module, and the direct current output end of the rectifying module is the output end of the self-checking module.
The self-checking module is used for carrying out signal detection on the energy signal, the energy signal sent by the energy generation module is connected to a primary terminal of the transformer through a second branch of the switching module, is connected with an input end of the rectification module after being transformed by the transformer, and is output after being rectified by the rectification module.
The utility model discloses in an achievable mode of embodiment, the self-checking module still includes: a voltage dividing circuit provided between secondary terminals of the transformer: and a voltage division point of the voltage division circuit is connected with an alternating current input end of the rectification module.
The present invention is not limited to the specific form of the voltage dividing circuit, and for example, as shown in fig. 3, an eighth resistor R8 and a ninth resistor R9 connected in series are provided at the secondary terminal of the transformer T2, a voltage dividing point is provided between the eighth resistor R8 and the ninth resistor R9, and the voltage at the voltage dividing point is V Partial pressure The alternating current input end connected with the rectifying module is arranged between the eighth resistor R8 and the ninth resistor R9.
Optionally, as shown in fig. 3, the rectifying module includes a first operational amplifier U1 and a second operational amplifier U2, a common-direction input terminal of the first operational amplifier U1 is grounded through a first resistor R1, a reverse-direction input terminal of the first operational amplifier U1 is connected to the voltage-dividing point through a second resistor R2, a reverse-direction input terminal of the first operational amplifier U1 is further connected to an output terminal of the first operational amplifier U1 through a third diode D3, an anode of the third diode D3 is connected to an output terminal of the first operational amplifier U1, an output terminal of the first operational amplifier U1 is connected to a reverse-direction input terminal of the second operational amplifier U2 through a fourth diode D4 and a third resistor R24, a cathode of the fourth diode D4 is connected to an output terminal of the first operational amplifier U1, an anode of the fourth diode D4 is connected to a reverse-direction input terminal of the first operational amplifier U1 through a fourth resistor R4, a reverse-direction input terminal of the second operational amplifier U2 is connected to a sixth operational amplifier U597 through a second resistor R8672 and a reverse-direction input terminal of the operational amplifier U5958, the output end of the second operational amplifier U2 is the output end of the self-test module, and the equidirectional input end of the second operational amplifier U2 is grounded through a seventh resistor R7.
The voltage division point is connected with the reverse input end of the first operational amplifier U1 through a second resistor R2, and the divided energy signal is input into the value filtering module. Voltage V at the voltage dividing point Partial pressure When the output of the first operational amplifier U1 is negative, the fourth diode D4 is turned on, the third diode D3 is turned off, the amplifier is composed of the three devices of the second resistor R2, the fourth resistor R4 and the first operational amplifier U1, the reverse adder is composed of the three devices of the third resistor R3, the sixth resistor R6 and the second operational amplifier U2, for example, when R5 ═ R6 ═ 2R2 ═ 2R4 ═ 2R3, the amplifier with the amplification factor of-1 is composed of the three devices of the second resistor R2, the fourth resistor R4 and the first operational amplifier U1, and the reverse adder is composed of the three devices of the third resistor R3, the sixth resistor R6 and the second operational amplifier U2, so that V3 is turned on, the reverse adder is composed of the three devices of the third resistor R3, the sixth resistor R6 and the second operational amplifier U2 p ＝V Is divided into And (5) pressing.
Voltage V at the voltage dividing point Partial pressure When the voltage is negative, the output of the first operational amplifier U1 is positive, the third diode D3 is turned on, the fourth diode D4 is turned off, the virtual short of the first operational amplifier U1 is caused, the left end of the fourth resistor R4 and the right end of the third resistor R3 are equal to the ground potential, no current flows through the fourth resistor R4 and the third resistor R3, and the fifth resistor R5, the sixth resistor R6 and the second amplifier U2 form an amplifier with an amplification factor of-1, so that V, the voltage of the input voltage is lower than that of the input voltage, and the output of the first operational amplifier U1 is positive, the third diode D3 is turned on, the fourth diode D4 is turned off, and the left end of the first operational amplifier U1 and the right end of the fourth resistor R4 are equal to the ground potential, and no current flows through the third resistor R3, and the fifth resistor R5, the sixth resistor R6 and the second amplifier U2 form an amplifier with an amplification factor of-1 p ＝-V Partial pressure . Therefore, the rectifier module realizes the effects of keeping the voltage of the positive half shaft of the input voltage unchanged and turning the voltage of the negative half shaft, and realizes the rectification effect.
In addition, in order to filter noise at the output end of the rectifier module and influence the processing of the subsequent control module, a third capacitor C3 may be connected in parallel to two ends of the sixth resistor R6, a fourth capacitor C4 may be provided at the output end, the other end of the fourth capacitor C4 is grounded, and a third capacitor C3 and a fourth capacitor C4 may be provided at the same time.
The utility model discloses in the achievable mode of embodiment, as shown in FIG. 4, control module includes the control unit and the analog-to-digital conversion module of being connected with the control unit, and the output of self-checking module is connected to the analog end of analog-to-digital conversion module, and the digital end of analog-to-digital conversion module connects the input of the control unit, and the control end of energy generation module is connected to the first output of control unit, and the control end of switching module is connected to the second output of control unit.
The energy signal passing through the filtering module belongs to an analog signal, and a person skilled in the art knows that a control unit in the control module can only accept a digital signal and realize the control effect according to the digital signal, therefore, an analog-to-digital conversion module is arranged in the control module and converts the analog signal output by the filtering module into a digital signal and inputs the digital signal into the control unit, a first threshold range is preset in the control unit, when the digital signal is in the first threshold range, the energy signal at the moment meets the surgical requirement, and the control unit controls the first branch to be conducted, so that the energy signal is output to the energy output module.
It should be noted that, in practical applications, some energy generation modules do not have a self-driving function, and when the energy generation modules do not have a self-driving function, a driving module connected to a control end of the energy generation module may be provided as a front-stage drive of the energy generation module. As shown in fig. 4, the control end of the driving module is connected to the first output end of the control unit, and specifically, the control unit controls the energy generation module to generate an energy signal through the driving module and can adjust the energy signal.
Wherein, the specific form of the control Unit the utility model discloses do not do the restriction, the example, can be MCU (Microcontroller Unit), also can be singlechip etc..
The embodiment of the application also discloses high-frequency surgical equipment which comprises any one of the self-checking circuits and an operating part. The energy output module in the self-checking circuit is connected with the operation part to output an energy signal to the operation part, for example, the operation part may be a surgical electrode, when the high-frequency surgical device works, the energy signal is output to the surgical electrode, the surgical electrode acts on a part needing surgery to perform surgery, and the high-frequency surgical device has the same structure and beneficial effects as the high-frequency surgical circuit with the self-checking function in the foregoing embodiment. The structure and the advantageous effects of the high-frequency operation circuit with the self-checking function have been described in detail in the foregoing embodiments, and are not described herein again.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A high frequency surgical circuit with self-test function, comprising: the device comprises an energy generation module, a switching module, an energy output module, a self-checking module and a control module;
the control module is connected with the energy generation module and is used for controlling the energy generation module to generate an energy signal;
the output end of the energy generation module is connected with the input end of the energy output module through a first branch of the switching module, the output end of the energy generation module is connected with the input end of the self-checking module through a second branch of the switching module, and the self-checking module is used for detecting an energy signal on the second branch and feeding the energy signal back to the control module;
the control module is connected with the output end of the self-checking module, and the control module is further connected with the control end of the switching module and used for controlling the switching module to switch on the first branch or the second branch.
2. A high frequency surgical circuit with self-test functionality according to claim 1 wherein said first branch comprises: a first relay and a first transistor;
coil one end and the first power connection of predetermineeing of first relay, the coil other end of first relay is connected the input of first transistor, the output ground connection of first transistor, the control end of switching module includes: a control terminal of the first transistor.
3. A high frequency surgical circuit with self-test function according to claim 2, characterized in that said first branch further comprises: a first diode and a first capacitor; the anode of the first diode is connected with the other end of the coil of the first relay, and the cathode of the first diode is connected with one end of the coil of the first relay;
the first preset power supply is grounded through the first capacitor.
4. A high frequency surgical circuit with self-test function according to claim 1, characterized in that said second branch comprises: a second relay and a second transistor;
the coil one end and the second of second relay are predetermine the power and are connected, the coil other end of second relay is connected the input of second transistor, the output ground connection of second transistor, the control end of switching module still includes: a control terminal of the second transistor.
5. A high-frequency surgical circuit with self-test function according to claim 4, characterized in that said second branch further comprises: a second diode and a second capacitor; the anode of the second diode is connected with the other end of the coil of the second relay, and the cathode of the second diode is connected with one end of the coil of the second relay;
the second preset power supply is grounded through the second capacitor.
6. A high frequency surgical circuit with self-test function according to claim 1, characterized in that the self-test module comprises: a transformer and a rectifier module;
the primary terminal of the transformer is the input end of the self-checking module, the secondary terminal of the transformer is connected with the alternating current input end of the rectifying module, and the direct current output end of the rectifying module is the output end of the self-checking module.
7. A high frequency surgical circuit with self-test functionality according to claim 6, wherein said self-test module further comprises: a voltage dividing circuit disposed between secondary terminals of the transformer; and the voltage division point of the voltage division circuit is connected with the alternating current input end of the rectification module.
8. The high-frequency surgical circuit with self-checking function according to claim 7, wherein the rectifying module comprises a first operational amplifier and a second operational amplifier, the same-direction input terminal of the first operational amplifier is grounded through a first resistor, the reverse-direction input terminal of the first operational amplifier is connected to the voltage-dividing point through a second resistor, the reverse-direction input terminal of the first operational amplifier is further connected to the output terminal of the first operational amplifier through a third diode, the anode of the third diode is connected to the output terminal of the first operational amplifier, the output terminal of the first operational amplifier is connected to the reverse-direction input terminal of the second operational amplifier through a fourth diode and a third resistor, the cathode of the fourth diode is connected to the output terminal of the first operational amplifier, the anode of the fourth diode is connected to the reverse-direction input terminal of the first operational amplifier through a fourth resistor, and the reverse-direction input terminal of the second operational amplifier is connected to the voltage-dividing point through a fifth resistor, the reverse input end of the second operational amplifier is further connected with the output end of the second operational amplifier through a sixth resistor, the output end of the second operational amplifier is the output end of the self-checking module, and the same-direction input end of the second operational amplifier is grounded through a seventh resistor.
9. A hf surgical circuit with self-test function according to claim 1, wherein the control module includes a control unit and an a/d conversion module connected to the control unit, the analog terminal of the a/d conversion module is connected to the output terminal of the self-test module, the digital terminal of the a/d conversion module is connected to the input terminal of the control unit, the first output terminal of the control unit is connected to the control terminal of the energy generation module, and the second output terminal of the control unit is connected to the control terminal of the switching module.
10. A self-test, high frequency surgical circuit according to claim 1 further comprising an output feedback module having an input connected to the output of the energy output module and an output connected to the input of the control module for sensing the output signal of the energy output module and feeding it back to the control module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371624.4U CN217390846U (en) | 2022-02-23 | 2022-02-23 | High-frequency operation circuit with self-checking function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371624.4U CN217390846U (en) | 2022-02-23 | 2022-02-23 | High-frequency operation circuit with self-checking function |
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| CN217390846U true CN217390846U (en) | 2022-09-09 |
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| CN202220371624.4U Active CN217390846U (en) | 2022-02-23 | 2022-02-23 | High-frequency operation circuit with self-checking function |
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