CN213077946U - Laparoscopic surgery smoke purifier control circuit - Google Patents
Laparoscopic surgery smoke purifier control circuit Download PDFInfo
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- CN213077946U CN213077946U CN202021472206.1U CN202021472206U CN213077946U CN 213077946 U CN213077946 U CN 213077946U CN 202021472206 U CN202021472206 U CN 202021472206U CN 213077946 U CN213077946 U CN 213077946U
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Abstract
The utility model relates to the field of medical equipment, especially, relate to a laparoscopic surgery smoke purifier control circuit. The utility model aims at providing a peritoneoscope operation smoke purifier control circuit which can avoid smoke harm to the health of a doctor and does not influence the operation of the doctor. The technical scheme of the utility model is that: a smoke purifier control circuit for laparoscopic surgery comprises a power circuit, a power switch, a gas sensor, a detection circuit and the like; and the power switch and the gas sensor are connected with the input end of the detection circuit. The utility model can discharge the smoke through the air pump, thereby preventing the doctor from sucking excessive smoke and preventing the smoke from blocking the sight of the doctor; the gas can be converted into liquid through the condenser device and is discharged, and the smoke exhaust efficiency is improved; the first indicator light can be convenient for doctors to judge the states of the air suction pump and the condenser device.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a laparoscopic surgery smoke purifier control circuit.
Background
The laparoscopic surgery is a minimally invasive method and is a necessary trend of future surgical method development, when the laparoscopic surgery is carried out, tissues of a patient are cut through an electrotome, a large amount of smoke is generated, a doctor inhales the smoke, the health of the doctor is harmed, and when the smoke is concentrated, the sight of the doctor is blocked, the operation of the doctor is influenced, so that the design of the laparoscopic surgery smoke purifier control circuit capable of preventing the smoke from harming the health of the doctor and not influencing the operation of the doctor has a certain positive significance.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that a large amount of smoke is generated during laparoscopic surgery, the smoke is inhaled by a doctor and the health of the doctor is damaged. Can also block the sight of a doctor and influence the defect of the operation of the doctor, the utility model aims to provide a laparoscopic surgery smoke purifier control circuit which can avoid the harm of smoke to the health of the doctor and does not influence the operation of the doctor.
The technical scheme of the utility model is that: a smoke purifier control circuit for laparoscopic surgery comprises a power circuit, a power switch, a gas sensor, a detection circuit, a relay drive circuit, an air pump, a first potentiometer, a preheating indicator light and a sensor preheating circuit, the power switch and the gas sensor are both connected with the input end of the detection circuit, the output end of the detection circuit is connected with the input end of the relay drive circuit, the output end of the relay driving circuit is connected with the air pump, the first potentiometer is connected with the input end of the detection circuit, the gas sensor is connected with the output end of the sensor preheating circuit, the output end of the sensor preheating circuit is connected with the preheating indicator lamp, the power supply circuit supplies power for the power switch, the gas sensor, the detection circuit, the relay driving circuit, the air suction pump, the first potentiometer, the preheating indicator lamp and the sensor preheating circuit.
Optionally, the power supply circuit further comprises a condenser device, an output end of the relay driving circuit is connected with the condenser device, and the power supply circuit supplies power to the condenser device.
Optionally, the relay driver circuit further comprises a first indicator light, the first indicator light is connected with the output end of the relay driver circuit, and the power supply circuit supplies power to the first indicator light.
Optionally, the detection circuit further comprises a first switch, the first switch is connected with an input end of the detection circuit, and the power supply circuit supplies power to the first switch.
Optionally, the detection circuit includes an LM324, an MQ1, an RZ1, a switch S1, a potentiometer VR1, a resistor R3, a resistor R7, a resistor R8, a soft-touch switch SW1, and a capacitor C2, where the 4 pin of the LM324 is connected to +12V, the 11 pin of the LM324 is connected to ground, the resistor R3 is connected in series to a resistor R3, the other end of the resistor R3 is connected to +5V, the other end of the resistor R3 is connected to ground, the 2 pin of the LM324 is connected to a node between the resistor R3 and the resistor R3, the two ends of the resistor R3 are connected to the RZ 3 in parallel, the two ends of the resistor R3 are connected to the soft-touch switch SW 3 in parallel, the 2 pin of the MQ 3 is connected to ground, the 4 pin of the MQ 3 is connected to the 5 pin of the MQ 3, the 1 pin of the MQ 3 is connected to the pin of the switch S3, the other end of the capacitor VR 3 is connected to ground, the other end of the capacitor C3, the MQ 3 is connected to ground, the other end of the capacitor C3, the capacitor, the other end of the potentiometer VR1 is grounded, the pin 3 of the MQ1 is connected with the input end of the potentiometer VR1, the pin 3 of the LM324 is connected with a resistor R7, and the other end of the resistor R7 is connected with the pin 3 of the MQ 1.
Optionally, the relay driving circuit includes a transistor Q1, a resistor R2, a resistor R6, a resistor R10, a diode D1, a light emitting diode VD2 and a relay RL1, the 1-pin series resistor R6 of the LM324 and the base of the transistor Q1 are connected, the emitter of the transistor Q1 is grounded, the base of the transistor Q1 is connected to the resistor R10, the other end of the resistor R10 is grounded, the collector of the transistor Q1 is connected to the diode D1 and the relay RL1 respectively, the other ends of the diode D1 and the relay RL1 are both connected to +12V, the COM of the relay RL1 is connected to +24V, the collector series resistor R2 of the transistor Q1 and the light emitting diode VD2, and the anode of the light emitting diode VD2 is connected to + 12V.
Optionally, the sensor preheating circuit comprises a resistor R4, a resistor R5, a resistor R9, a capacitor C1, electrolytic capacitors EC1-EC2, diodes D2-D3, a light emitting diode VD2 and a capacitor C1, a diode D2 is connected in parallel with the 3 pin of the LM324 and the 14 pin thereof, the 14 pin of the LM324 is connected in series with the resistor R1 and the light emitting diode VD1, the anode of the light emitting diode VD1 is connected with +5V, one end of the capacitor C1 and one end of the electrolytic capacitor EC1 are connected with ground, the other end of the capacitor C1 and the electrolytic capacitor EC1 are connected with +5V, the electrolytic capacitor EC1 is connected in series with the diode D1, the cathode of the diode D1 is connected with +5V, the two ends of the diode D1 are connected in parallel with the resistor R1, the 12 pin of the LM324 is connected with a node between the electrolytic capacitor EC1 and the diode D1, the resistor R1 and the other end of the resistor R1, the other end of the resistor R9 is grounded, and the pin 13 of the LM324 is connected with a node between the resistor R5 and the resistor R9.
The utility model has the advantages that:
1. the smoke can be discharged through the air pump, so that the doctor is prevented from sucking excessive smoke, and the smoke is prevented from blocking the sight of the doctor.
2. The gas can be converted into liquid by the condenser device and discharged, and the smoke exhaust efficiency is improved.
3. The first indicator light can be convenient for doctors to judge the states of the air suction pump and the condenser device.
4. The air pump and the condenser device can be controlled to work by pressing the first switch, so that the damage of the gas sensor cannot affect the smoke discharge of a doctor when the gas sensor cannot work normally.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
Description of reference numerals: 1: power supply circuit, 2: power switch, 3: gas sensor, 4: detection circuit, 5: relay drive circuit, 6: air pump, 7: condenser device, 8: first indicator light, 9: first potentiometer, 10: first switch, 11: preheating indicator lamp, 12: sensor preheating circuit.
Detailed Description
The present invention will be described in further detail with reference to the attached drawings and the detailed description, but the scope of protection and the application of the present invention are not limited thereto.
First embodiment
The utility model provides a laparoscopic surgery smoke purifier control circuit, as shown in figure 1, including power supply circuit 1, switch 2, gas sensor 3, detection circuitry 4, relay drive circuit 5, aspiration pump 6, first potentiometre 9, preheating indicator lamp 11 and sensor preheating circuit 12, power supply switch 2 and gas sensor 3 all are connected with detection circuitry 4's input, detection circuitry 4's output and relay drive circuit 5's input are connected, relay drive circuit 5's output and aspiration pump 6 are connected, first potentiometre 9 is connected with detection circuitry 4's input, gas sensor 3 is connected with sensor preheating circuit 12's output, sensor preheating circuit 12's output and preheating indicator lamp 11 are connected, power supply circuit 1 is switch 2, gas sensor 3, detection circuitry 4, The relay driving circuit 5, the air suction pump 6, the first potentiometer 9, the preheating indicating lamp 11 and the sensor preheating circuit 12 are powered.
After the control circuit of the smoke purifier for laparoscopic surgery is powered on, a doctor presses the power switch 2, the sensor preheating circuit 12 preheats the gas sensor 3 to ensure the detection precision of the gas sensor 3, the preheating indicator lamp 11 is turned on, after preheating is finished, the doctor can adjust the detection concentration of the gas sensor 3 through the first potentiometer 9, the gas sensor 3 starts to work, the gas sensor 3 can detect the surrounding smoke concentration, and converts the detected data into signals to be input into the detection circuit 4, the detection circuit 4 compares the detected values with set values, when the smoke concentration detected by the gas sensor 3 is greater than a set value, the detection circuit 4 controls the air pump 6 to work through the relay driving circuit 5, the air pump 6 discharges the smoke, excessive smoke is prevented from being sucked by a doctor, and the smoke is prevented from blocking the sight of the doctor. When the smoke concentration detected by the gas sensor 3 is lower than the set value, the operation of the suction pump 6 is stopped. The power switch 2 is pressed again, and the gas sensor 3 stops operating.
Second embodiment
On the basis of the first embodiment, as shown in fig. 1, a condenser apparatus 7 is further included, an output end of the relay driving circuit 5 is connected with the condenser apparatus 7, and the power circuit 1 supplies power to the condenser apparatus 7.
When the smoke concentration detected by the gas sensor 3 is greater than a set value, the detection circuit 4 controls the condenser device 7 to work through the relay driving circuit 5, the condenser device 7 converts gas into liquid and discharges the liquid, and smoke discharging efficiency is improved. When the smoke concentration detected by the gas sensor 3 is lower than a set value, the condenser device 7 stops operating.
The power supply circuit further comprises a first indicator light 8, the first indicator light 8 is connected with the output end of the relay driving circuit 5, and the power supply circuit 1 supplies power to the first indicator light 8.
When the relay drive circuit 5 controls the air pump 6 and the condenser device 7 to work, the first indicator light 8 is turned on, and when the relay drive circuit 5 controls the air pump 6 and the condenser device 7 to stop working, the first indicator light 8 is turned off, so that a doctor can conveniently judge the states of the air pump 6 and the condenser device 7.
The detection circuit further comprises a first switch 10, the first switch 10 is connected with the input end of the detection circuit 4, and the power circuit 1 supplies power to the first switch 10.
When the gas sensor 3 is damaged and cannot work normally, the doctor can control the air pump 6 and the condenser device 7 to work by pressing the first switch 10, so that the smoke can not be exhausted by the doctor. The first switch 10 is pressed again and the suction pump 6 and the condenser apparatus 7 are deactivated.
Third embodiment
A smoke purifier control circuit for laparoscopic surgery, as shown in FIG. 2, the detection circuit 4 comprises an LM324, an MQ1, an RZ1, a switch S1, a potentiometer VR1, a resistor R3, a resistor R7, a resistor R8, a soft touch switch SW1 and a capacitor C2, the 4 pin of the LM324 is connected with +12V, the 11 pin of the LM324 is grounded, the resistor R3 is connected with a resistor R8 in series, the other end of the resistor R3 is connected with +5V, the other end of the resistor R8 is grounded, the 2 pin of the LM324 is connected with a node between a resistor R3 and a resistor R8, the two ends of the resistor R3 are connected with RZ1 in parallel, the two ends of the resistor R8 are connected with the soft touch switch SW1 in parallel, the 2 pin of the MQ1 is grounded, the 4 pin of the MQ1 is connected with the 5 pin of the MQ1, the 1 pin of the MQ1 is connected with the 3 pin of the switch S1, the other pin of the MQ1 is connected with the another capacitor S1 and the MQ1, the other end of the capacitor C2 is grounded, the pin 1 of the MQ1 is connected with a potentiometer VR1, the other end of the potentiometer VR1 is grounded, the pin 3 of the MQ1 is connected with the input end of the potentiometer VR1, the pin 3 of the LM324 is connected with a resistor R7, and the other end of the resistor R7 is connected with the pin 3 of the MQ 1.
The relay driving circuit 5 comprises a triode Q1, a resistor R2, a resistor R6, a resistor R10, a diode D1, a light emitting diode VD2 and a relay RL1, wherein a 1 pin of the LM324 is connected with bases of the resistor R6 and the triode Q1 in series, an emitter of the triode Q1 is grounded, a base of the triode Q1 is connected with the resistor R10, the other end of the resistor R10 is grounded, a collector of the triode Q1 is connected with the diode D1 and the relay RL1 respectively, the other ends of the diode D1 and the relay RL1 are connected with +12V, the COM end of the relay RL1 is connected with +24V, a collector of the triode Q1 is connected with the resistor R2 and the light emitting diode VD2, and an anode of the light emitting diode VD2 is connected with + 12V.
The sensor preheating circuit 12 comprises a resistor R4, a resistor R5, a resistor R9, a capacitor C1, electrolytic capacitors EC1-EC2, diodes D2-D3, a light emitting diode VD2 and a capacitor C1, wherein the 3 pin of the LM324 is connected with the 14 pin thereof in parallel with the diode D1, the 14 pin of the LM324 is connected with the resistor R1 and the light emitting diode VD1 in series, the anode of the light emitting diode VD1 is connected with +5V, one ends of the capacitor C1 and the electrolytic capacitor EC1 are grounded, the other ends of the capacitor C1 and the electrolytic capacitor EC1 are connected with +5V, the electrolytic capacitor EC1 is connected with the diode D1 in series, the other end of the electrolytic capacitor EC1 is grounded, the cathode of the diode D1 is connected with +5V, two ends of the diode D1 are connected with the resistor R1 in parallel with the resistor R1, the 12 pin of the LM324 is connected with a node between the electrolytic capacitor EC1 and the diode D1, the other end of the resistor R1 is connected with the ground, the pin 13 of the LM324 is connected to the node between the resistor R5 and the resistor R9.
After the laparoscopic surgery smoke purifier control circuit is powered on, a doctor presses a switch S1, MQ1 is powered on to preheat, a light emitting diode VD1 is lightened, after preheating is completed, the light emitting diode VD1 is extinguished, the MQ1 starts to work, the doctor can adjust the contrast voltage of LM324 through a potentiometer VR1 and adjust the detection concentration of MQ1, the MQ1 can detect the surrounding smoke concentration and convert the detected data into signals, the signals are input into the LM324, the LM324 compares the detected values with a set value, when the detected values are greater than the set value, the pin 1 of the LM324 outputs high level, a triode Q1 is conducted, a relay RL1 is attracted, the light emitting diode VD2 is lightened, an air suction pump 6 and a condenser device 7 start to work, the air suction pump 6 discharges smoke, the condenser device 7 converts the gas into liquid and discharges the liquid, the smoke discharge efficiency is improved, when the detected values are less than the set value, the pin 1 of the LM324 outputs low level, the triode Q1 is cut off, the relay RL1 is disconnected, the light-emitting diode VD2 is extinguished, and the air suction pump 6 and the condenser device 7 stop working. When the gas sensor 3 is damaged and cannot work normally, the doctor can press the tact switch SW1, and the suction pump 6 and the condenser device 7 also work, so that the smoke can not be exhausted by the doctor. The tact switch SW1 is pressed again, and the suction pump 6 and the condenser apparatus 7 stop operating.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A smoke purifier control circuit for laparoscopic surgery is characterized by comprising a power supply circuit, a power switch, a gas sensor, a detection circuit, a relay drive circuit, an air pump, a first potentiometer, a preheating indicator light and a sensor preheating circuit, the power switch and the gas sensor are both connected with the input end of the detection circuit, the output end of the detection circuit is connected with the input end of the relay drive circuit, the output end of the relay driving circuit is connected with the air pump, the first potentiometer is connected with the input end of the detection circuit, the gas sensor is connected with the output end of the sensor preheating circuit, the output end of the sensor preheating circuit is connected with the preheating indicator lamp, the power supply circuit supplies power for the power switch, the gas sensor, the detection circuit, the relay driving circuit, the air suction pump, the first potentiometer, the preheating indicator lamp and the sensor preheating circuit.
2. The smoke purifier control circuit for laparoscopic surgery of claim 1, further comprising a condenser means, wherein an output terminal of said relay driving circuit is connected to said condenser means, and said power circuit supplies power to said condenser means.
3. The smoke purifier control circuit for laparoscopic surgery of claim 2, further comprising a first indicator light, wherein said first indicator light is connected to the output terminal of said relay driving circuit, and said power circuit supplies power to said first indicator light.
4. The smoke purifier control circuit for laparoscopic surgery of claim 3, further comprising a first switch, wherein said first switch is connected to the input terminal of the detection circuit, and said power circuit supplies power to the first switch.
5. The smoke purifier control circuit for laparoscopic surgery according to claim 4, wherein said detection circuit comprises LM324, MQ1, RZ1, switch S1, potentiometer VR1, resistor R3, resistor R7, resistor R8, light touch switch SW1 and capacitor C2, said 4 feet of LM324 are connected with +12V, said 11 feet of LM324 are grounded, said resistor R3 is connected with resistor R8 in series, said other end of resistor R3 is connected with +5V, said other end of resistor R8 is grounded, said 2 feet of LM324 are connected with the node between resistor R3 and resistor R8, said two ends of resistor R3 are connected with RZ1 in parallel, said two ends of resistor R8 are connected with light touch switch SW1 in parallel, said 2 feet of MQ1 are grounded, said 4 feet of MQ1 are connected with its 5 feet, said 1 foot of MQ1 is connected with its 3 foot, said two ends of resistor R1 are connected with SW 366 and said other end of MQ1 and another switch SW1 are connected with another terminal of capacitor S1 and another capacitor S1, the other end of the capacitor C2 is grounded, the pin 1 of the MQ1 is connected with a potentiometer VR1, the other end of the potentiometer VR1 is grounded, the pin 3 of the MQ1 is connected with the input end of the potentiometer VR1, the pin 3 of the LM324 is connected with a resistor R7, and the other end of the resistor R7 is connected with the pin 3 of the MQ 1.
6. The smoke purifier control circuit for the laparoscopic surgery as claimed in claim 5, wherein said relay driving circuit comprises a transistor Q1, a resistor R2, a resistor R6, a resistor R10, a diode D1, a light emitting diode VD2 and a relay RL1, a 1 pin series resistor R6 of said LM324 and a base of a transistor Q1, an emitter of said transistor Q1 is grounded, a base of said transistor Q1 is connected with the resistor R10, the other end of said resistor R10 is grounded, a collector of said transistor Q1 is connected with the diode D1 and the relay RL1 respectively, the other ends of said diode D1 and said relay RL1 are both connected with +12V, the end of said relay RL1 is connected with COM +24V, the collector of said transistor Q1 is connected with the resistor R2 and the light emitting diode VD2, and an anode of said light emitting diode VD2 is connected with + 12V.
7. The smoke purifier control circuit for laparoscopy operation as claimed in claim 6, wherein the sensor preheating circuit comprises a resistor R4, a resistor R5, a resistor R9, a capacitor C1, electrolytic capacitors EC1-EC2, diodes D2-D3, a light emitting diode VD2 and a capacitor C1, the 3 pin of the LM324 is connected with the 14 pin thereof in parallel with the diode D2, the 14 pin of the LM324 is connected with the resistor R1 and the light emitting diode VD1 in series, the anode of the light emitting diode VD1 is connected with +5V, one ends of the capacitor C1 and the electrolytic capacitor EC1 are grounded, the other ends of the capacitor C1 and the electrolytic capacitor EC1 are connected with +5V, the electrolytic capacitor EC2 is connected with the diode D3 in series, the other end of the electrolytic capacitor EC2 is grounded, the cathode of the diode D3 is connected with +5V, two ends of the diode D3 are connected with the resistor R3 in parallel, the 12 pin of the electrolytic capacitor EC 36324 is connected with the LM node between the diode LM 72 and the diode D3, the resistor R5 is connected in series with the resistor R9, the other end of the resistor R5 is connected with +5V, the other end of the resistor R9 is grounded, and the pin 13 of the LM324 is connected with a node between the resistor R5 and the resistor R9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021472206.1U CN213077946U (en) | 2020-07-23 | 2020-07-23 | Laparoscopic surgery smoke purifier control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021472206.1U CN213077946U (en) | 2020-07-23 | 2020-07-23 | Laparoscopic surgery smoke purifier control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213077946U true CN213077946U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021472206.1U Active CN213077946U (en) | 2020-07-23 | 2020-07-23 | Laparoscopic surgery smoke purifier control circuit |
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|---|---|
| CN (1) | CN213077946U (en) |
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- 2020-07-23 CN CN202021472206.1U patent/CN213077946U/en active Active
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Effective date of registration: 20230608 Address after: 201500 Building 2, No. 360, Renmin Road, Zhujing Town, Jinshan District, Shanghai (Zhujing community) Patentee after: Zhongshi Puhui (Shanghai) Health Technology Co.,Ltd. Address before: Room 803, 8 / F, unit 101, Chuangqi 3 building, 63 Chuangqi Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province, 510630 Patentee before: Huang Siqi |