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Equipment operating procedures for discharge plasma and biomedical application laboratory
a,Basic requirements for discharge plasma professional laboratories
1. The laboratory should have a safety work system，The main equipment shall be prepared a safety operating procedure。
2. The laboratory should set up a full -time or part -time security officer，Responsible for supervising and inspecting this regulation and related safety regulations、Implementation of the safety system。When a personal or equipment accident occurs, the security officer should participate in the accident investigation and processing。
3. High -pressure experiment work will issue a task by the person in charge of the laboratory。Time for high -pressure experiments，Experimental staff must not be less than2People，and specify one of them as the person in charge of the experiment。Important experimental items involved in the main experimental equipment，The person in charge of the experiment shall organize the compilation of high -voltage experimental schemes。The plan must be clearly guaranteed to ensure safety organizational measures and technical measures。The main content of the scheme generally includes experimental tasks、Experimental Time、Experimental wiring、Use equipment、List and division of labor、Operation steps、Safety measures、Safety guardian, etc.。Experimental scheme is approved by the person in charge of the laboratory and executes it。
4. The writer of the experimental plan shall not be approved by the experimental plan，The experimental scheme of a particularly important large -scale experimental project shall be approved by the person in charge of the laboratory and the person in charge of the hospital level。
two,Operation procedures for general high -voltage discharge plasma experiments
1. Before the beginning of the experiment，The person in charge of the experiment should arrange the experimental tasks and explain the safety precautions in response to all experiments。
2. The power switch of the experimental device should have obvious disconnection points.
3. Before pressurizing，The person in charge of the experiment must check the experimental equipment and test products，Check the experiment wiring、Table counting rate、Start status of the zero position and the measurement system，Check whether the high -pressure ground ground line of the experimental equipment has been removed，M88 Online Live Casinom88 sports bettingCheck the completion of safety measures，Normal without errors can be pressed。
4. Add voltage。Order Experimental staff leave the test product and high voltage test area，Transfer to a safe zone。After all inspections are correct, the person in charge of the experiment ordered pressure，The operator should and indicate the police logo。During the boost process, someone should be monitored，And there are special persons to monitor experimental equipment and test products。
5. During the boost process，If abnormal situation is found，Stop the experiment immediately，then lower voltage、Cut off the power，and hang a police signs on the handle of the power switch。Experimental equipment and test products can only be checked after sufficient discharge and grounding，To be found out for the reason，After processing, you can restore the experiment。During thunderstorm，High -pressure experiments at the outdoor experimental field should be stopped。
6. After the pressure is over，The voltage drops to zero，Disgle the power from the pressure person or designated person。After full discharge of high -pressure experiment equipment and test products，Fang can change the wiring or end the experiment。
7. discharge。The grounding operation stick should be used for the discharge of experimental equipment and test products。When using the ground operation stick，You must not exceed the carrier of the gripper part。The distance between the ground line and the human body should be greater than the effective insulation length of the ground operation stick。The insulation length of the grounding operation stick is selected according to the requirements of safety operations，But the total length must not be less than1000mm, the insulation part700mm, shake hands300mm。
8. Before high -voltage experiment、Discharge after experiment，The grounding line of the grounding operation stick must be reliably connected to the ground，Refining the ground -ground operation stick discharge。DC experimental equipment and test products of large capacitors and DC experiment voltage exceed100KVEquipment and test product discharge，The grounding operating rod discharged with a discharge resistor first，then directly ground discharge。Change the shock voltage generator wave head and wavetail resistance or DC generator to change polarity，Must discharge or start a short -circuit grounding device for short -circuit grounding in the capacitor。
9. During the discharge time before and after high -voltage experiments on high -voltage experiments，Generally not shorter than5min。During the discharge time of DC experiment equipment and test products of large capacity，Should be in5minabove.
10. Hanging the ground M88 Online Live CasinoM88 Online Live Casinooperation rod on the high -voltage end after discharge，The grounding line is still fixed on the ground，Keep grounding status，Remove it when you do an experiment。
11. When the experiment is intermittent，Should disconnect the experimental power supply，The power circuit should have obvious disconnection points that the experiment can see，and operate on the side of the knife gates, hang a warning sign on the handle，Restore test，Should check the experimental wiring and safety measures。
12. After the experiment is over，Should be removed for self -installed temporary short -circuit ground，Clean the scene。
13. Make changing wiring and equipment maintenance on the power outage equipment，The ground wire should be installed at the disconnected power switch load。
14. Before the experimental person leaves the laboratory，Should cut off the relevant power supply。For the power supply that must be continued，A warning sign at the power switch。
3,Main device operating regulations
3.1 DC veil epime occurrence system (including high -voltage DC power supply (referred to as power supply)、Charging capacitance、Gas switch、Dirive wave head wave tail circuit)
Operation steps |
Operation specifications |
1 |
High -voltage DC power supply should be far away from the remaining system components as much as possible. |
2 |
Before connecting the power，The integrity of the connection of each component of the system to occur in the pulse、Power supply zero knob、Grounding Device、Detailed survey of high -voltage insulation accessories and protection measures，After confirming it，Fang can connect the main power of the system。 |
3 |
Test staff should try to stay away from the pressure area as possible，Operation on the safe side of the high -voltage DC power supply。When pressing pressure，Open the power switch，Keep the current knob as zero，Rotating pressure knob to charging voltage preset value，Charging pulse capacitance with a fixed pressure regulating current，The current should not be too large，Control in0.1MAaround. |
4 |
When the voltage rises to the preset value、After the power supply has no charging current，Back to zero the current regulatory knob back。 |
5 |
Manual/Remote signal Enter the device to trigger the gas switch，Discharge the test product。 |
6 |
If you need to discharge the test products repeatedly, repeat steps3-5。 |
7 |
If stopping the test product and discharge，Make sure the current knob is at zero position，Back to zero the press knob back，Then turn off the power switch。 |
8 |
In the case of ensuring safety，Touch the charging capacitor port with the ground rod and release the redundant charge。 |
9 |
Last removal power socket，Place the ground rod in the high -voltage port to prevent the accumulation of charge in the air。 |
3.2 High -frequency AC voltage system (including pressure regulator，High -frequency current generator)
Operation steps |
Operation specifications |
1 |
Before connecting the m88 sports bettingpower，Zero adjustment m88 sports bettingknobs for pressure regulator and high -frequency power generator、Grounding Device、Detailed survey of high -voltage insulation accessories and protection measures，After confirming it，Fang can connect the main power of the system。 |
2 |
Test staff should try to stay away from the test product pressure area，Operation on the safe side of the regulator。When pressing pressure，Open the power switch，Adjusting regulator knob，View pressure waveform at the oscilloscope，Stop the knob when reaching the preset voltage level。 |
3 |
During the continuity of the pressure, the knob remains unmoved. |
4 |
If stopping the test product and discharge，Rotating pressure regulator knob，Slowly reduce the voltage to zero，View through the oscilloscope。 |
5 |
After the voltage is zero，First turn off the high -frequency AC generator switch，Turn off the power supply of the regulator。Connect the high -voltage end with the ground line. |
3.3 RF/Microwave signal system (including microwave source、RF source，High -voltage power supply，Signal generator)
Operation steps |
Operation specifications |
1 |
Before connecting the power，Need to be a source of microwave、Zero -knobs of RF source and high -voltage power supply、Grounding Device、Detailed survey of high -voltage insulation accessories and protection measures，After confirming it，Fang can connect the main power of the system。 |
2 |
Test staff should try to stay away from the test product pressure area，Operation on the safe side of the signal generator。When pressing pressure，Open the power switch，Improve voltage，View power display，increase the voltage to the preset value。 |
3 |
Adjust the signal generator，Set the generator signal parameter according to the target waveform，View，Check whether the output waveform is suitable。 |
4 |
If stopping the test product and discharge，Close the output of the signal generator，Gradually reduce the output voltage of the power supply to zero，Turn off the power switch。 |
5 |
Connect the high -voltage end with the ground line. |
3.4 ND: YAGPump dye laser (including pump laser、Dye laser、Controller、external water -cooled machine)
Operation steps |
Operation specifications |
1 |
Before operating a laser，Check the light path、The integrity of the cooling water road and power supply circuit，Make sure that there is no dangerous flammable and explosive item around the laser，Keep continuously running，Open the external water -cooled machine switch and dye pool switch，Keep continuously running。 |
2 |
Open the computer，Connect the pump laser and dye laser through the local area network and supporting software，Set optical parameters (laser wave length) on the dye laser control page。 |
3 |
Open the pump laser insurance switch，Start pressing，Observe the operation of water -cooled circulation，If there is an overheating situation，Stop the laser operation。 |
4 |
Open the pump laser according to the software promptPockels Cell, then openShutterOutput laser. |
5 |
The operator should wear protective sunglasses when observing the laser，You can judge the output laser strength according to the energy meter reading。 |
6 |
Adjust the laser and wait for the test，Drop the light suction cloth，Forms optical dark room，Optical diagnosis and measurement。 |
7 |
Close the laser to closeShutterClosePockels Cell、The order of closing the voltage is performed，Then turn off the control software program，Finally closed the external water -cooled machine。 |
3.5 spectrometer andICCDHigh m88 sports betting-speed camera (including spectrometers,ICCDHigh -speed camera, fiber probe)
Operation steps |
Operation specifications |
1 |
In the operating spectrometer andICCDPre -，Check the integrity of the equipment，Make sure there is no strong light source around the spectrometer，Try to weaken the environmental light as possible，Keep continuously running，spectrometer andICCDPower supply, and keep running continuously. |
2 |
Open the computer，Connect the spectrometer and through the local area network and supporting softwareICCD，Set up optical parameters on the control page (door width、shooting mode and shooting speed, etc.)，The optical gain to the minimum，Falling the light suction cloth，Forms optical dark room，Take the basic sample。 |
3 |
Based on the test of the test items to be tested，Gradually enhance the optical gain to the right degree，View detection and observation diagnosis results in supporting software，Shooting and saving appropriate images according to needs。 |
4 |
When closing the device，First connect to the software disconnect device，Turn off the equipment power switch in turn。 |