An unmanned aerial vehicle indoor simulation gas collection test platform and method

Abstract

The application discloses an unmanned aerial vehicle indoor simulation gas collection test platform and method, and relates to the field of unmanned aerial vehicle test technology.The test platform comprises a spraying simulation device and an unmanned aerial vehicle collection device.The unmanned aerial vehicle collection device comprises an unmanned aerial vehicle, a gas collection mechanism and a posture adjusting mechanism.The gas collection mechanism comprises a gas collecting mechanism and a gas collecting mechanism.The gas collecting mechanism comprises two groups of gas collecting assemblies and a switching gas collecting driving mechanism for driving the two groups of gas collecting assemblies to switch gas collecting.The gas collecting assembly comprises an air inlet pipe, an air outlet pipe and a collecting pump.The collecting pump is connected between the air inlet pipe and the air outlet pipe.The gas collecting mechanism comprises a storage bag, a sealing device, an automatic docking structure and a plastic sealing driving mechanism.The storage bag is connected with the air outlet pipe through the automatic docking structure.The application can provide different wind speeds to simulate various flight speeds of the unmanned aerial vehicle, provide a test means for studying gas collection and testing components, and provide a simulation flight environment for unmanned aerial vehicle test.

Description

TECHNICAL FIELD

[0001] The present application relates to a gas collection test platform and method, in particular to an indoor simulation gas collection test platform and method for unmanned aerial vehicles. BACKGROUND

[0002] At present, many gas collections are collected by artificial field collection methods. Since the gas may contain toxic substances or others, such as microorganisms, organic pollutants, heavy metals, environmental hormones and dust particles, which will cause harm to the human body. Therefore, the gas collection quarantine operation has certain safety risks. In order to avoid such safety risks, unmanned aerial vehicles can be used to replace artificial gas collection work.

[0003] The flight height and flight speed of the unmanned aerial vehicle are important indicators affecting the gas collection operation. Different flight heights and flight speeds have different effects on the gas collection operation. The existing unmanned aerial vehicles lack a special test platform, which cannot provide a test means for studying gas collection and testing its composition, and it is difficult to truly carry out field gas collection operation. SUMMARY

[0004] The purpose of the present application is to overcome the above-mentioned problems, and to provide an indoor simulation gas collection test platform for unmanned aerial vehicles. The gas collection test platform can provide different wind speeds to simulate various flight speeds of unmanned aerial vehicles, provide a test means for studying gas collection and testing its composition, and provide a simulated flight environment for unmanned aerial vehicle testing.

[0005] Another purpose of the present application is to provide an indoor simulation gas collection test method for unmanned aerial vehicles.

[0006] The purpose of the present application is achieved by the following technical solutions:

[0007] An indoor simulation gas collection test platform for unmanned aerial vehicles, comprising a platform frame and a spray simulation device, an unmanned aerial vehicle collection device arranged on the platform frame;

[0008] The spray simulation device comprises an atomizer, a water pump, a water pipe and a fan. The atomizer is directly opposite the air inlet of the fan. The air outlet of the fan faces the unmanned aerial vehicle collection device. The water pipe is in communication with the water pump and the atomizer, respectively;

[0009] The unmanned aerial vehicle collecting device comprises an unmanned aerial vehicle, a gas collecting mechanism and a posture adjusting mechanism for adjusting the collecting posture of the gas collecting mechanism; the gas collecting mechanism comprises a collecting platform, a gas collecting mechanism and a gas collecting mechanism arranged on the collecting platform; the collecting platform is fixedly arranged on the unmanned aerial vehicle; the gas collecting mechanism comprises two groups of gas collecting assemblies and a switching gas collecting driving mechanism for driving the two groups of gas collecting assemblies to switch gas collecting; the switching gas collecting driving mechanism comprises a rotating table and a rotating driving mechanism for driving the rotating table to rotate, and the gas collecting assembly is arranged on the rotating table; the gas collecting assembly comprises an air inlet pipe, an air outlet pipe and a collecting pump; the collecting pump is communicated between the air inlet pipe and the air outlet pipe; the gas collecting mechanism comprises a receiving bag, a sealing device, an automatic docking structure and a plastic sealing driving mechanism for driving the sealing device to move horizontally; the receiving bag passes through the sealing of the sealing device, and the opening of the receiving bag is communicated with the air outlet pipe through the automatic docking structure; the automatic docking structure comprises two electromagnets, one of which is connected with the opening of the receiving bag, and the other is connected with the end of the air outlet pipe; in the working state, the two electromagnets are connected in a docking manner.

[0010] The posture adjusting mechanism comprises a first adjusting driving mechanism for driving the gas collecting mechanism to rotate in a vertical plane and a second adjusting driving mechanism for driving the gas collecting mechanism to rotate in a horizontal direction, and the driving plane of the first adjusting driving mechanism is parallel to the wind direction of the spray simulation device.

[0011] In one preferred embodiment of the present application, the spray simulation device further comprises a wind speed sensor for detecting the wind speed, which is installed at the air outlet of the fan.

[0012] In one preferred embodiment of the present application, a rectifying net is arranged in the fan, which is installed at the air outlet of the fan.

[0013] In one preferred embodiment of the present application, the gas collecting mechanism and the posture adjusting mechanism are both provided with two groups, and the two groups of gas collecting mechanisms and posture adjusting mechanisms are symmetrically arranged on the unmanned aerial vehicle.

[0014] In one preferred embodiment of the present application, the rotating driving mechanism comprises a rotating driving motor, the shell of the rotating driving motor is fixed on the collecting platform, and the output shaft of the rotating driving motor is fixedly connected with the rotating table.

[0015] In one preferred embodiment of the present application, the air inlet of the air inlet pipe is provided with a horn-shaped air inlet nozzle.

[0016] In one preferred embodiment of the present application, the plastic sealing driving mechanism comprises a plastic sealing driving motor and a plastic sealing transmission assembly, the shell of the plastic sealing driving motor is fixedly arranged on a motor base, and the motor base is fixed on the collecting platform through a supporting column.

[0017] The plastic sealing transmission assembly comprises a plastic sealing transmission screw rod and a plastic sealing transmission screw rod nut, and the plastic sealing transmission screw rod nut is fixedly connected with the sealer.

[0018] In one preferred scheme of the present application, the posture adjusting mechanism further comprises a wind direction sensor for detecting the wind direction, which is electrically connected with the processor of the unmanned aerial vehicle; and the processor of the unmanned aerial vehicle is electrically connected with the first adjusting driving mechanism and the second adjusting driving mechanism. Through the above structure, the wind direction is detected in real time by the wind direction sensor, and the wind direction data is transmitted to the processor of the unmanned aerial vehicle. If the wind direction changes, the processor sends corresponding adjusting signals to the first adjusting driving mechanism and the second adjusting driving mechanism, and the first adjusting driving mechanism and the second adjusting driving mechanism adjust the collecting posture of the gas collecting mechanism in real time, so as to better complete the gas collecting work.

[0019] In one preferred scheme of the present application, the collecting platform comprises a platform plate, a first joint and a second joint; the first adjusting driving mechanism is arranged on the first joint, and the second adjusting driving mechanism is arranged on the second joint; and the gas collecting mechanism and the gas collecting mechanism are arranged on the platform plate.

[0020] In one preferred scheme of the present application, the first adjusting driving mechanism comprises a first adjusting driving motor, and the first adjusting driving motor is composed of a gimbal motor.

[0021] In one preferred scheme of the present application, the second adjusting driving mechanism comprises a second adjusting driving motor, and the second adjusting driving motor is composed of a gimbal motor.

[0022] An indoor simulation gas collecting test method of an unmanned aerial vehicle, comprising the following steps:

[0023] The installation height of the unmanned aerial vehicle is set, and the unmanned aerial vehicle is fixedly installed on the platform rack;

[0024] The installation device and height of the fan are adjusted so that the air outlet of the fan is opposite to the unmanned aerial vehicle; the fan is started, the air speed is adjusted, and the spray simulation device is started;

[0025] The unmanned aerial vehicle is started to reach a preset rotating speed; the gas collecting mechanism is driven to rotate by the first adjusting driving mechanism and the second adjusting driving mechanism to adjust to an optimal angle so that the gas collecting mechanism is opposite to the direction of the air flow;

[0026] The collecting pump is started, gas is extracted from the air through the air inlet pipe, and the gas is discharged to the storage bag through the air outlet pipe, at this time, the end of the air outlet pipe is communicated with the opening of the storage bag through the electromagnetic pipe; the sealing device is powered and heated, and part of the collected gas in the storage bag is plastic sealed; the two electromagnetic pipes are powered off, and the magnetic attraction disappears; the rotating table is driven to rotate by the rotating driving mechanism, the air outlet pipe of the other group of gas collecting assemblies is communicated with the opening of the storage bag, the gas is collected by the other group of gas collecting assemblies and loaded into the storage bag; the sealing device is driven to move transversely by the plastic sealing driving mechanism, and the storage bag is sealed again; at the same time, the previous group of gas collecting assemblies discharges the residual gas in the air outlet pipe during the last gas collection; the above operation is repeated to perform the next gas collection operation.

[0027] The storage bag collecting the gas is taken out, and the composition is detected, and the simulation and test are completed.

[0028] Compared with the prior art, the present application has the following beneficial effects:

[0029] 1、The gas collection and test platform can provide different wind speeds to simulate various flight speeds of the unmanned aerial vehicle, provide a test means for researching gas collection and testing the composition, and provide a simulated flight environment for unmanned aerial vehicle testing.

[0030] 2、By setting two groups of gas collecting assemblies, the collection work can be completed alternately, and the work efficiency can be improved. DETAILED DESCRIPTION

[0031] Figure 1 It is a three-dimensional structure schematic diagram of the unmanned aerial vehicle indoor simulation gas collection and test platform.

[0032] Figure 2 It is a three-dimensional structure schematic diagram of the unmanned aerial vehicle collecting device.

[0033] Figure 3 It is a three-dimensional structure schematic diagram of the gas collecting mechanism and the attitude adjusting mechanism. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solutions of the present application, the present application will be further described below in conjunction with the embodiments and the drawings, but the embodiments of the present application are not limited thereto.

[0035] Reference Figure 1The unmanned aerial vehicle indoor simulation gas collection test platform of the embodiment comprises a platform rack 1 and a spraying simulation device and an unmanned aerial vehicle collection device arranged on the platform rack 1. The spraying simulation device comprises an atomizer, a water pump, a water pipe and a fan 2. The atomizer is opposite to the air inlet of the fan 2. The air outlet of the fan 2 is directed to the unmanned aerial vehicle collection device. The water pipe is in communication with the water pump and the atomizer respectively. The fan 2 is provided with a flow regulating net 3 which is installed at the air outlet of the fan 2.

[0036] Further, the spraying simulation device further comprises a wind speed sensor (not shown in the figure) for detecting the wind speed, which is installed at the air outlet of the fan 2.

[0037] Referring to Figures 1-3 The unmanned aerial vehicle collection device comprises an unmanned aerial vehicle 4, a gas collection mechanism and a posture adjusting mechanism for adjusting the collection posture of the gas collection mechanism. The gas collection mechanism comprises a collection platform 5 and a gas collecting mechanism and a gas collecting mechanism arranged on the collection platform 5. The gas collection mechanism and the posture adjusting mechanism are both provided with two groups, and the two groups of gas collection mechanisms and posture adjusting mechanisms are symmetrically arranged on the unmanned aerial vehicle 4. The collection platform 5 is fixedly arranged on the unmanned aerial vehicle 4. The gas collecting mechanism comprises two groups of gas collecting assemblies and a switching gas collecting driving mechanism for driving the two groups of gas collecting assemblies to switch. The switching gas collecting driving mechanism comprises a rotating table 6 and a rotating driving mechanism for driving the rotating table 6 to rotate, and the gas collecting assembly is arranged on the rotating table 6. The gas collecting assembly comprises an air inlet pipe 7, an air outlet pipe 8 and a collection pump 9. The collection pump 9 is in communication between the air inlet pipe 7 and the air outlet pipe 8. The air inlet of the air inlet pipe 7 is provided with a horn-shaped air inlet nozzle 14. The gas collecting mechanism comprises a receiving bag 10, a sealing device 11, an automatic docking structure and a plastic sealing driving mechanism for driving the sealing device 11 to move horizontally. The receiving bag 10 passes through the sealing of the sealing device 11, and the opening of the receiving bag 10 is connected with the automatic docking structure (the other end of the receiving bag 10 is a closed end which is fixed by a fixed structure). The automatic docking structure comprises two electromagnet pipes 12, one of which is connected with the opening of the receiving bag 10, and the other is connected with the end of the air outlet pipe 8. In the working state, the two electromagnet pipes 12 are in butt joint communication.

[0038] Referring to Figures 1-3 The rotating driving mechanism comprises a rotating driving motor 13, the housing of which is fixed on the collection platform 5, and the output shaft of the rotating driving motor 13 is fixedly connected with the rotating table 6.

[0039] Referring to Figures 2-3The plastic sealing driving mechanism comprises a plastic sealing driving motor 15 and a plastic sealing transmission assembly, the housing of the plastic sealing driving motor 15 is fixedly installed on a motor base 16, and the motor base 16 is fixed on the collection platform 5 through a support column 17; the plastic sealing transmission assembly comprises a plastic sealing transmission screw rod and a plastic sealing transmission screw nut; the plastic sealing transmission screw nut is fixedly connected with the sealing device 11. Through the above structure, under the driving of the plastic sealing driving motor 15, the sealing device 11 can move transversely, so as to seal the storage bag 10 multiple times and collect multiple groups of gas.

[0040] Referring to Figures 2-3 The posture adjusting mechanism comprises a first adjusting driving mechanism for driving the gas collection mechanism to rotate in a vertical plane and a second adjusting driving mechanism for driving the gas collection mechanism to rotate in a horizontal direction, and the driving plane of the first adjusting driving mechanism is parallel to the wind direction of the spray simulation device.

[0041] Further, the posture adjusting mechanism further comprises a wind direction sensor for detecting the wind direction, the wind direction sensor is electrically connected with the processor of the unmanned aerial vehicle 4; the processor of the unmanned aerial vehicle 4 is electrically connected with the first adjusting driving mechanism and the second adjusting driving mechanism. Through the above structure, the wind direction is detected in real time by the wind direction sensor, and the wind direction data is transmitted to the processor of the unmanned aerial vehicle 4, if the wind direction changes, the processor sends corresponding adjusting signals to the first adjusting driving mechanism and the second adjusting driving mechanism, and the first adjusting driving mechanism and the second adjusting driving mechanism adjust the collection posture of the gas collection mechanism in real time, so as to better complete the gas collection work.

[0042] Referring to Figures 2-3 The collection platform 5 comprises a platform plate 5-1, a first joint 5-2 and a second joint 5-3; the first adjusting driving mechanism is arranged on the first joint 5-2, and the second adjusting driving mechanism is arranged on the second joint 5-3; the gas collection mechanism and the gas collection mechanism are arranged on the platform plate 5-1.

[0043] Referring to Figures 2-3 The first adjusting driving mechanism comprises a first adjusting driving motor 18, and the second adjusting driving mechanism comprises a second adjusting driving motor 19, and the first adjusting driving motor 18 and the second adjusting driving motor 19 are both composed of a gimbal motor.

[0044] Referring to Figures 1-3 The working principle of the indoor simulation gas collection test platform of the unmanned aerial vehicle of the embodiment is as follows:

[0045] When working, the mounting height of the unmanned aerial vehicle 4 is set, and the unmanned aerial vehicle 4 is fixedly mounted on the platform rack 1; the mounting device and height of the fan 2 are adjusted so that the air outlet of the fan 2 is opposite to the unmanned aerial vehicle 4; the fan 2 is started, the wind speed is adjusted, and the spray simulation device is started; the unmanned aerial vehicle 4 is started so as to reach a preset rotating speed; the gas collection mechanism is driven to rotate by the first adjusting driving mechanism and the second adjusting driving mechanism so as to be adjusted to an optimal angle, and the gas collection mechanism is opposite to the direction of the airflow.

[0046] The collection pump 9 is started, the gas is extracted from the air through the air inlet pipe 7, and the gas is discharged to the storage bag 10 through the air outlet pipe 8 (at this time, the end of the air outlet pipe 8 is communicated with the opening of the storage bag 10 through the electromagnet pipe 12); then the sealer 11 is powered and heated, and the collected gas in the storage bag 10 is partially sealed. Then the two electromagnet pipes 12 are powered off, and the magnetic attraction disappears; the rotating table 6 is driven to rotate by the rotating driving mechanism, the air outlet pipe 8 of another set of gas collection assemblies is communicated with the opening of the storage bag 10, the gas is collected by another set of gas collection assemblies and loaded into the storage bag 10; the sealer 11 is driven to move laterally by the sealing driving mechanism, and the storage bag 10 is sealed again; at the same time, the previous set of gas collection assemblies discharge the residual gas in the air outlet pipe 8 during the last gas collection operation. The above operation is repeated to perform the next gas collection operation.

[0047] The storage bag 10 collecting the gas is taken out, and the composition of the gas is detected, and the simulation and test are completed.

[0048] Referring to Figures 1-3 The indoor gas collection and test method of the unmanned aerial vehicle of the embodiment comprises the following steps:

[0049] The mounting height of the unmanned aerial vehicle 4 is set, and the unmanned aerial vehicle 4 is fixedly mounted on the platform rack 1.

[0050] The mounting device and height of the fan 2 are adjusted so that the air outlet of the fan 2 is opposite to the unmanned aerial vehicle 4; the fan 2 is started, the wind speed is adjusted, and the spray simulation device is started.

[0051] The unmanned aerial vehicle 4 is started so as to reach a preset rotating speed; the gas collection mechanism is driven to rotate by the first adjusting driving mechanism and the second adjusting driving mechanism so as to be adjusted to an optimal angle, and the gas collection mechanism is opposite to the direction of the airflow.

[0052] The collecting pump 9 is started to draw gas from the air through the air inlet pipe 7 and discharge the gas into the storage bag 10 through the air outlet pipe 8, at this time, the end of the air outlet pipe 8 is communicated with the opening of the storage bag 10 through the electromagnet pipe 12; the sealing device 11 is powered to heat and partially seal the collected gas in the storage bag 10; the two electromagnet pipes 12 are powered off, and the magnetic attraction disappears; the rotating table 6 is driven to rotate by the rotating driving mechanism, the air outlet pipe 8 of the other gas collecting assembly is communicated with the opening of the storage bag 10, the gas is collected by the other gas collecting assembly and loaded into the storage bag 10; the sealing device 11 is driven to move horizontally by the sealing driving mechanism, and the storage bag 10 is sealed again; at the same time, the previous gas collecting assembly is operated to discharge the residual gas in the air outlet pipe 8 when collecting the gas last time; the above operation is repeated to collect the gas next time.

[0053] The storage bag 10 collecting the gas is taken out, and the composition of the gas is detected to complete the simulation and test.

[0054] The above is the preferred embodiment of the present application, but the embodiment of the present application is not limited by the above, any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the present application should be equivalent replacement, which is included in the protection scope of the present application.

Claims

1. An unmanned aerial vehicle indoor simulation gas collection test platform, characterized in that, The spraying simulation device comprises an atomizer, a water pump, a water pipe and a fan; the atomizer is opposite to the air inlet of the fan; the air outlet of the fan faces the unmanned aerial vehicle collecting device; the water pipe is in communication with the water pump and the atomizer respectively; The unmanned aerial vehicle collecting device comprises an unmanned aerial vehicle, a gas collecting mechanism and a posture adjusting mechanism for adjusting the collecting posture of the gas collecting mechanism; the gas collecting mechanism comprises a collecting platform and a gas collecting mechanism and a gas collecting mechanism provided on the collecting platform; the collecting platform is fixedly arranged on the unmanned aerial vehicle; the gas collecting mechanism comprises two groups of gas collecting assemblies and a switching gas collecting driving mechanism for driving the two groups of gas collecting assemblies to switch gas collecting; the switching gas collecting driving mechanism comprises a rotating table and a rotating driving mechanism for driving the rotating table to rotate, and the gas collecting assembly is arranged on the rotating table; the gas collecting assembly comprises an air inlet pipe, an air outlet pipe and a collecting pump, and the air inlet of the air inlet pipe is provided with a horn-shaped air inlet nozzle; the collecting pump is in communication between the air inlet pipe and the air outlet pipe; the gas collecting mechanism comprises a storage bag, a sealing device, an automatic docking structure and a plastic sealing driving mechanism for driving the sealing device to move horizontally; the storage bag passes through the sealing of the sealing device, and the opening of the storage bag is communicated with the air outlet pipe through the automatic docking structure; the automatic docking structure comprises two electromagnets, one of which is connected with the opening of the storage bag, and the other is connected with the end of the air outlet pipe; in the working state, the two electromagnets are connected in a butt joint manner; The posture adjusting mechanism comprises a first adjusting driving mechanism for driving the gas collecting mechanism to rotate in the vertical plane and a second adjusting driving mechanism for driving the gas collecting mechanism to rotate in the horizontal direction, and the driving plane of the first adjusting driving mechanism is parallel to the wind direction of the spraying simulation device; The posture adjusting mechanism further comprises a wind direction sensor for detecting the wind direction, and the wind direction sensor is electrically connected with the processor of the unmanned aerial vehicle; the processor of the unmanned aerial vehicle is electrically connected with the first adjusting driving mechanism and the second adjusting driving mechanism. The spraying simulation device further comprises a wind speed sensor for detecting the wind speed, which is installed at the air outlet of the fan.

2. The unmanned aerial vehicle indoor simulation gas collection test platform according to claim 1, wherein, The fan is provided with a rectifier net, which is installed at the air outlet of the fan.

3. The unmanned aerial vehicle indoor simulation gas collection test platform according to claim 1, wherein, The gas collecting mechanism and the posture adjusting mechanism are both provided with two groups, and the two groups of gas collecting mechanism and the posture adjusting mechanism are symmetrically arranged on the unmanned aerial vehicle.

4. The unmanned aerial vehicle indoor simulated gas collection test platform of claim 1, wherein, The rotating driving mechanism comprises a rotating driving motor, the shell of the rotating driving motor is fixed on the collecting platform, and the output shaft of the rotating driving motor is fixedly connected with the rotating table.

5. The unmanned aerial vehicle indoor simulation gas collection test platform according to claim 4, wherein, The plastic sealing driving mechanism comprises a plastic sealing driving motor and a plastic sealing transmission assembly, the shell of the plastic sealing driving motor is fixedly installed on the motor seat, and the motor seat is fixed on the collecting platform through a supporting column; 6. The unmanned aerial vehicle indoor simulation gas collection test platform according to claim 4, wherein, The plastic sealing transmission assembly comprises a plastic sealing transmission screw rod and a plastic sealing transmission screw nut; the plastic sealing transmission screw nut is fixedly connected with the sealing device. ​ 7. The unmanned aerial vehicle indoor simulation gas collection test platform according to claim 4, wherein, The collecting platform comprises a platform plate, a first joint and a second joint; the first adjusting driving mechanism is arranged on the first joint, and the second adjusting driving mechanism is arranged on the second joint; the gas collecting mechanism and the gas collecting mechanism are arranged on the platform plate.

8. The unmanned aerial vehicle indoor simulated gas collection test platform according to claim 7, wherein, The first adjusting driving mechanism comprises a first adjusting driving motor, and the first adjusting driving motor is composed of a gimbal motor. The second adjusting driving mechanism comprises a second adjusting driving motor, and the second adjusting driving motor is composed of a gimbal motor.

9. A method for testing the unmanned aerial vehicle indoor simulated gas collection platform according to any one of claims 1-8, characterized in that, The method comprises the following steps: The installation height of the unmanned aerial vehicle is set, and the unmanned aerial vehicle is fixedly installed on the platform rack; The installation device and height of the fan are adjusted so that the air outlet of the fan is opposite to the unmanned aerial vehicle; the fan is started, the wind speed is adjusted, and the spray simulation device is started; The unmanned aerial vehicle is started to reach a preset rotating speed; the gas collecting mechanism is driven to rotate by the first adjusting driving mechanism and the second adjusting driving mechanism to adjust to an optimal angle so that the gas collecting mechanism is opposite to the direction of the air flow; The collecting pump is started to extract gas from the air through the air inlet pipe and discharge the gas to the storage bag through the air outlet pipe; the end of the air outlet pipe is communicated with the opening of the storage bag through the electromagnet pipe; the sealing device is powered to heat, and part of the collected gas in the storage bag is plastic sealed; the two electromagnet pipes are powered off, and the magnetic attraction disappears; the rotating table is driven to rotate by the rotating driving mechanism, the air outlet pipe of the other group of gas collecting assemblies is communicated with the opening of the storage bag, the gas is collected by the other group of gas collecting assemblies and loaded into the storage bag; the sealing device is driven to move transversely by the plastic sealing driving mechanism, and the storage bag is sealed; at the same time, the previous group of gas collecting assemblies are operated to extract and discharge the gas, and the residual gas in the air outlet pipe during the previous gas collection is discharged; the above operation is repeated to perform the next gas collection operation; The storage bag with collected gas is taken out, the composition is detected, and the simulation and test are completed.

Images