A pressure transmitter use training and assessment device

Abstract

The present invention provides a pressure transmitter use training and assessment device, which belongs to the technical field of pressure transmitter use training, and includes a straight pipe, a standard gas cylinder, a plurality of ball valves, a plurality of pressure transmitters, a data acquisition device and a computer. One end of the straight pipe is connected to a standard pressure gauge, a gas outlet of the standard gas cylinder is connected to the other end of the straight pipe through a hose, the standard gas cylinder is used to transport gas to the inside of the straight pipe, one end of the plurality of ball valves is connected to the straight pipe, and the plurality of pressure transmitters are correspondingly connected to the other ends of the plurality of ball valves. After the ball valves are opened, the gas in the straight pipe flows into the pressure transmitter, the pressure transmitter monitors the gas pressure, the data acquisition device is used to collect monitoring data, the computer is electrically connected to the data acquisition device and is used to receive and display the monitoring data, and multiple people are allowed to operate the multiple pressure transmitters at the same time to simultaneously conduct training and assessment on the use of the pressure transmitters. The device has the function of being able to conduct training and assessment on multiple people at the same time, thereby improving the training and assessment efficiency and enabling a large number of people to quickly master practical skills.

Description

Technical Field

[0001] The invention belongs to the technical field of pressure transmitter use training, and more specifically, relates to a pressure transmitter use training and assessment device. Background Art

[0002] A pressure transmitter is a kind of instrument that mainly consists of three parts: a pressure measuring element sensor, a measuring circuit, and a process connection. It can convert the physical pressure parameters of gas, liquid, etc. sensed by the pressure measuring element sensor into a standard electrical signal to supply secondary instruments such as indicator alarms, recorders, and regulators for measurement, indication, and process regulation. The pressure transmitter is an instrument. Before using it, experienced staff are required to provide technical training and assessment on the use of the pressure transmitter to novices. Only after the novices have learned it can they operate it. In the existing technology, the operation is performed on a pressure gauge calibration table. Although it is accurate, it can only be operated by one person, and others can only watch. It is not convenient for a large number of people to practice, resulting in low training and assessment efficiency of pressure transmitters, and it is difficult for a large number of people to quickly master practical skills. Summary of the invention

[0003] The purpose of the present invention is to provide a pressure transmitter use training and assessment device, aiming to solve the technical problem that the pressure gauge calibration bench is not convenient for multiple people to operate simultaneously, resulting in low efficiency of pressure transmitter training and assessment.

[0004] To achieve the above object, the technical solution adopted by the present invention is: to provide a pressure transmitter use training and assessment device, comprising:

[0005] A straight tube, which is hollow inside and open at both ends, one end of which is connected to a standard pressure gauge, and the data indicated by the pointer on the standard pressure gauge is used as comparison data for training assessment;

[0006] A standard gas cylinder, the gas outlet of which is connected to the other end of the straight tube through a hose, and the standard gas cylinder is used to transport gas into the straight tube;

[0007] A plurality of ball valves are arranged in sequence and at equal intervals along the axial direction of the straight pipe, and one end of the ball valve is connected to the straight pipe;

[0008] A plurality of pressure transmitters are connected to the other ends of the plurality of ball valves one by one. After the ball valve is opened, the gas in the straight pipe flows into the pressure transmitter, and the pressure transmitter monitors the gas pressure.

[0009] A data collector, connected to the power supply terminal and the data output terminal of the pressure transmitter, for collecting monitoring data;

[0010] A computer, electrically connected to the data acquisition device and used to receive and display monitoring data;

[0011] Wherein, multiple persons are allowed to operate multiple pressure transmitters at the same time, so as to conduct training and assessment on the use of the pressure transmitters at the same time.

[0012] As another embodiment of the present application, it also includes a mobile vehicle, which is provided with a support frame, and a placement platform is provided in the middle of the support frame. The standard gas cylinder, the data acquisition device and the computer are all placed on the upper end of the placement platform, and the straight pipe is arranged on the upper end of the support frame. By moving the mobile vehicle to any location, it is used to conduct training and assessment on the use of the pressure transmitter at different locations.

[0013] As another embodiment of the present application, it also includes a mobile terminal wirelessly connected to the computer, the mobile terminal is used to receive and display the data monitored by the pressure transmitter, the gas outlet of the standard gas cylinder is provided with an electric valve for controlling the gas output flow rate, the electric valve is connected to a wireless communication module, the mobile terminal is provided with a second wireless communication module wirelessly connected to the first wireless communication module, and the mobile terminal is suitable for controlling the operation of the electric valve.

[0014] As another embodiment of the present application, it also includes a purge device arranged at the upper end of the mobile vehicle, and the purge device is used to blow dust and impurities toward the multiple pressure transmitters.

[0015] As another embodiment of the present application, the purging device includes an electric rotating table arranged at the upper end of the mobile vehicle, a vertical pole arranged at the upper end of the electric rotating table, and a plurality of purges arranged on the vertical pole, the purges being used to purge toward the pressure transmitter, and with the help of the rotation of the electric rotating table, the plurality of pressure transmitters can be purged during the rotation process.

[0016] As another embodiment of the present application, a plurality of rings are arranged on the vertical rod at equal intervals along the height direction, a plurality of support rods are arranged on the outer circumferential walls of the rings, the support rods are arranged in a cantilever shape, and a plurality of sleeves are slidably connected to the support rods along their length direction, one end of the blower is hingedly connected to the outer wall of the sleeve, the blowing direction of the blower can be adjusted by rotation at the hinge, the rotation plane formed by the rotation of the blower is in the vertical plane, the height of the blower is adjusted by means of the ring, and the horizontal position of the blower is adjusted by means of the sliding of the sleeve.

[0017] As another embodiment of the present application, a controller electrically connected to the blower is provided near the upper end of the vertical rod, and the controller is used to control the operation of multiple blowers to control the purge of the pressure transmitter. The controller includes a timer, and the timer is used to control the timed purge of the blower.

[0018] As another embodiment of the present application, the mobile vehicle includes an upper plate, a plurality of adjustment columns, a lower plate and a plurality of rollers, the upper ends of the plurality of adjustment columns are connected to the bottom end of the upper plate, and the lower ends are connected to the upper end of the lower plate, the adjustment columns are used to adjust the height of the upper plate, the support frame is arranged at the upper end of the upper plate, the plurality of rollers are arranged at the bottom end of the lower plate, the bottom end of the lower plate is provided with a brake, and the brake is used to brake at least one of the rollers.

[0019] As another embodiment of the present application, the blower includes a blow head with a swingable and adjustable blowing direction, the blow head is used for blowing toward the pressure transmitter, and a plane formed by the swing of the blow head is in a vertical plane.

[0020] As another embodiment of the present application, a lighting lamp electrically connected to the computer is connected to the straight pipe, and the computer is used to control the lighting lamp to be suitable for training and assessment of the pressure transmitter at night.

[0021] The beneficial effect of a pressure transmitter use training and assessment device provided by the present invention is that: compared with the prior art, the pressure transmitter use training and assessment device of the present invention includes a straight pipe, a standard gas cylinder, multiple ball valves, multiple pressure transmitters, a data acquisition device and a computer. One end of the straight pipe is connected to a standard pressure gauge. The gas outlet of the standard gas cylinder is connected to the other end of the straight pipe through a hose. The standard gas cylinder is used to transport gas to the inside of the straight pipe. One end of the multiple ball valves is connected to the straight pipe. The multiple pressure transmitters are correspondingly connected to the other ends of the multiple ball valves. After the ball valves are opened, the gas in the straight pipe flows into the pressure transmitter. The pressure transmitter monitors the gas pressure. The data acquisition device is used to collect monitoring data. The computer is electrically connected to the data acquisition device and is used to receive and display the monitoring data. By allowing multiple people to operate multiple pressure transmitters at the same time, training and assessment on the use of the pressure transmitters can be conducted at the same time. The device has the function of being able to train and assess multiple people at the same time, improve the training and assessment efficiency, and enable a large number of people to quickly master practical skills. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 A structural schematic diagram of a pressure transmitter use training and assessment device provided by an embodiment of the present invention;

[0024] Figure 2 A structural schematic diagram of a pressure transmitter use training and assessment device provided by another embodiment of the present invention;

[0025] Figure 3 A schematic diagram of the structure of a purge device for a pressure transmitter use training and assessment device provided by an embodiment of the present invention;

[0026] Figure 4 A schematic diagram of the structure of a mobile vehicle for a pressure transmitter usage training and assessment device provided in an embodiment of the present invention.

[0027] In the figure: 1. straight pipe; 2. standard gas cylinder; 3. ball valve; 4. pressure transmitter; 5. data acquisition device; 6. computer; 7. standard pressure gauge; 8. hose; 9. mobile vehicle; 91. upper plate; 92. adjusting column; 93. lower plate; 94. roller; 10. support frame; 11. placement platform; 12. mobile terminal; 13. electric valve; 14. purge device; 15. electric rotating table; 16. vertical rod; 17. purge device; 171. purge head; 18. collar; 19. support rod; 20. sleeve; 21. controller; 22. lighting lamp. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0029] Please also read Figures 1 to 4 Now, a pressure transmitter use training and assessment device provided by the present invention is described. The pressure transmitter use training and assessment device comprises a straight tube 1, a standard gas cylinder 2, a plurality of ball valves 3, a plurality of pressure transmitters 4, a data acquisition device 5 and a computer 6. The straight tube 1 is hollow inside and open at both ends. One end is connected to a standard pressure gauge 7. The data indicated by the pointer on the standard pressure gauge 7 is used as comparison data for training and assessment. The gas outlet of the standard gas cylinder 2 is connected to the other end of the straight tube 1 through a hose 8. The standard gas cylinder 2 is used to transport gas to the inside of the straight tube 1. A plurality of ball valves 3 are arranged in sequence with equal intervals along the axial direction of the straight tube 1. The ball valves 3 are arranged in sequence with equal intervals along the axial direction of the straight tube 1. One end of the valve 3 is connected to the straight pipe 1; multiple pressure transmitters 4 are connected to the other ends of multiple ball valves 3 one by one. After the ball valve 3 is opened, the gas in the straight pipe 1 flows into the pressure transmitter 4, and the pressure transmitter 4 monitors the gas pressure; the data acquisition device 5 is connected to the power supply end and the data output end of the pressure transmitter 4 for collecting monitoring data; the computer 6 is electrically connected to the data acquisition device 5 and is used to receive and display the monitoring data; wherein, by allowing multiple people to operate multiple pressure transmitters 4 at the same time, the use of the pressure transmitters 4 can be trained and assessed at the same time.

[0030] The present invention provides a pressure transmitter use training and assessment device. Compared with the prior art, one end of the straight pipe 1 is connected to a standard pressure gauge 7, the gas outlet of the standard gas cylinder 2 is connected to the other end of the straight pipe 1 through a hose 8, the standard gas cylinder 2 is used to transport gas to the inside of the straight pipe 1, one end of multiple ball valves 3 is connected to the straight pipe 1, and multiple pressure transmitters 4 are correspondingly connected to the other end of multiple ball valves 3. After the ball valves 3 are opened, the gas in the straight pipe 1 flows into the pressure transmitter 4, and the pressure transmitter 4 monitors the gas pressure. The data acquisition device 5 is used to collect monitoring data. The computer 6 is electrically connected to the data acquisition device 5 and is used to receive and display monitoring data. By allowing multiple people to operate multiple pressure transmitters 4 at the same time, the use of the pressure transmitter 4 can be trained and assessed at the same time, which can improve the training and assessment efficiency by training and assessing multiple people at the same time, so that a large number of people can quickly master practical skills. According to the pressure data monitored by the pressure transmitter 4 and the data of the standard pressure gauge 7, the accuracy of the monitoring data of the pressure transmitter 4 is obtained.

[0031] The present invention allows multiple people to operate the pressure transmitter 4 at the same time, and the intuitive display results are convenient for training or assessment teachers to make intuitive judgments. The present invention has the advantages of simplicity, practicality and multi-function. The present invention can achieve the above functions by changing and combining simple tools, with low cost investment and strong practicality. The straight pipe 1 is about 2 meters long. The data monitored by the pressure transmitter 4 is compared with the data displayed on the standard pressure gauge 7, and the accuracy of the pressure transmitter 4 is analyzed to achieve training and assessment of the operation of newcomers. There are 10 ball valves 3 installed, with an interval of 200mm. 1-10 detected pressure transmitters 4 can be installed according to demand. The data acquisition device 5 in this embodiment can supply power to the pressure transmitter 4, and can also collect monitoring data. The entire training and assessment process is recorded and displayed by the computer 6. Preferably, a camera is connected to the computer 6, which can monitor and monitor the entire training and assessment process of the pressure transmitter 4 and record the entire operation process. Before installing the pressure transmitter 4, the corresponding ball valve 3 must be in a closed state. After the pressure transmitter 4 is installed, the ball valve 3 can be opened to perform pressure monitoring.

[0032] In order to realize the training and assessment at any location, as a specific implementation of the pressure transmitter 4 provided by the present invention, please refer to Figures 1 to 4The pressure transmitter use training and assessment device also includes a mobile car 9, on which a support frame 10 is provided, and a placement platform 11 is provided in the middle of the support frame 10. The standard gas cylinder 2, the data acquisition device 5 and the computer 6 are all placed on the upper end of the placement platform 11, and the straight pipe 1 is provided on the upper end of the support frame 10. By moving the mobile car 9 to any location, it is used to train and assess the use of the pressure transmitter 4 at different locations. By moving the mobile car 9 to any location, training can be carried out at any location. The mobile car 9 is more convenient and flexible to move, and the support frame 10 can play a good supporting role. Compared with the pressure gauge calibration table in the prior art, it can be used by multiple people at the same time, which improves the training and assessment efficiency, so that multiple people at different locations can quickly master practical skills. The data acquisition device 5 adopts existing technology products, which can collect monitoring data and send the data to the computer 6.

[0033] In order to realize the control of the gas delivered by the standard gas cylinder 2, as a specific implementation of the pressure transmitter 4 provided by the present invention, please refer to Figures 1 to 4 The pressure transmitter use training and assessment device also includes a mobile terminal 12 connected to the computer 6 by wireless communication. The mobile terminal 12 is used to receive and display the data monitored by the pressure transmitter 4. The gas outlet of the standard gas cylinder 2 is provided with an electric valve 13 for controlling the gas output flow rate. The electric valve 13 is connected to a wireless communication module. The mobile terminal 12 is provided with a second wireless communication module connected to the first wireless communication module by wireless communication. The mobile terminal 12 is suitable for controlling the operation of the electric valve 13. The gas delivery amount and gas pressure in the straight pipe 1 can be controlled by the mobile terminal 12. The current gas pressure can also be displayed on the mobile terminal 12. The mobile terminal 12 is a remote control, a mobile phone or other communication equipment, which is convenient for controlling the gas output flow rate.

[0034] Specifically, the mobile terminal 12 has a display capable of displaying pressure data. The electric valve 13 is a valve or solenoid valve for controlling the passage or flow of gas.

[0035] In order to purge the pressure transmitter 4 and prevent dust and impurities from polluting during outdoor training, a specific implementation of the pressure transmitter training and assessment device provided by the present invention is shown in FIG. Figures 1 to 4The pressure transmitter 4 use training and assessment device also includes a purge device 14 disposed on the upper end of the mobile vehicle 9, and the purge device 14 is used to purge and clean dust and impurities toward the multiple pressure transmitters 4. The purge device 14 is similar to a device for blowing and scraping the front windshield of a car, except that it purges or blows air to the pressure transmitter 4, and its role is to clean dust and impurities, while the windshield scraper plays a role in cleaning dust and impurities on the windshield. By using the purge device 14, the presence of dust and impurities on the pressure transmitter 4 can be reduced, the cleanliness can be improved, and practical training is facilitated.

[0036] As a specific implementation of the pressure transmitter use training and assessment device provided by the present invention, please refer to Figures 1 to 4 The purge device 14 includes an electric rotating platform 15 disposed on the upper end of the mobile vehicle 9, a vertical rod 16 disposed on the upper end of the electric rotating platform 15, and a plurality of purge devices 17 disposed on the vertical rod 16. The purge devices 17 are used to purge toward the pressure transmitter 4, and the rotation of the electric rotating platform 15 can purge the plurality of pressure transmitters 4 during the rotation process. The mobile terminal 12 is wirelessly connected to the electric rotating platform 15, and the rotation angle can be controlled on the mobile terminal 12, thereby controlling the purge direction of the purge device 17, and finally the dust and impurities are purged.

[0037] Specifically, the electric rotating table 15 in this embodiment adopts the existing technology product, which can rotate in a circular direction in a horizontal plane, and its upper end is a rotating end, and the lower end is a fixed end, which is arranged at the upper end of the moving vehicle 9, and the vertical rod 16 is arranged in a vertical direction, and the lower end is fixedly connected to the rotating end. Preferably, the vertical rod 16 is at the center of the rotating end. The blower 17 is similar to a hair dryer, which can blow away dust, impurities, etc. The blower 17 can blow natural wind and hot wind, and hot wind is a kind of wind that is heated inside.

[0038] As a specific implementation of the pressure transmitter use training and assessment device provided by the present invention, please refer to Figures 1 to 4, a plurality of collars 18 are arranged at equal intervals along the height direction on the vertical rod 16, and a plurality of support rods 19 are arranged on the outer circumferential wall of the collar 18. The support rods 19 are arranged in a cantilever shape, and a plurality of sleeves 20 are slidably connected to the support rods 19 along the length direction thereof. One end of the purge 17 is hingedly connected to the outer wall of the sleeve 20, and the purge direction of the purge 17 can be rotated and adjusted at the hinge. The rotation plane formed by the rotation of the purge 17 is in the vertical plane. The height of the purge 17 is adjusted by means of the collar 18, and the horizontal position of the purge 17 is adjusted by means of the sliding of the sleeve 20. The up and down movement of the collar 18 is used to adjust the height of the purge 17, the horizontal movement of the sleeve 20 is used to adjust the horizontal position of the purge 17, and the rotation of the purge 17 around the hinge is used to adjust the purge direction. In short, the pressure transmitter 4 can be purged in different directions. The support rod 19 is arranged horizontally, and one or more sleeves 20 can be arranged, and their positions can be adjusted.

[0039] In order to realize the control of the purge device 17, as a specific implementation of the pressure transmitter use training and assessment device provided by the present invention, please refer to Figures 1 to 4 A controller 21 electrically connected to the purge device 17 is provided near the upper end of the vertical rod 16. The controller 21 is used to control the operation of the plurality of purge devices 17 to control the purge of the pressure transmitter 4. The controller 21 includes a timer, and the timer is used to control the timing of the purge of the purge device 17. By using the controller 21, it is possible to control whether the purge device 17 performs actions such as purge, and also to control the wind force of the purge, and also to control the temperature of the purge (natural temperature wind or heated wind). The timing of the purge can be controlled by the timer, such as purge once every certain time.

[0040] In order to adapt to the training of people of different heights, as a specific implementation of the pressure transmitter use training and assessment device provided by the present invention, please refer to Figures 1 to 4The mobile vehicle 9 includes an upper plate 91, a plurality of adjustment columns 92, a lower plate 93 and a plurality of rollers 94. The upper ends of the plurality of adjustment columns 92 are connected to the bottom end of the upper plate 91 and the lower ends are connected to the upper end of the lower plate 93. The adjustment columns 92 are used to adjust the height of the upper plate 91. The support frame 10 is arranged at the upper end of the upper plate 91. The plurality of rollers 94 are arranged at the bottom end of the lower plate 93. The lower plate 93 is provided with a brake at the bottom end. The brake is used to brake at least one roller 94. The height of the pressure transmitter 4 can be adjusted arbitrarily (within the adjustment range of the adjustment column 92). The support frame 10 is arranged at the upper end of the upper plate 91. By driving the upper plate 91 to adjust the height or move up and down, the height of the pressure transmitter 4 can be adjusted. This adjustment method is simple and flexible. The adjustment column 92 is an electric, pneumatic or hydraulically driven telescopic column. At least one is set. Its control end is connected to the mobile terminal 12, that is, the telescopic column can be controlled to be extended and retracted on the mobile terminal 12, so that the technical effect of adjusting the height of the pressure transmitter 4 can be achieved. The brake is a braking device in the prior art, which can be used to lock the roller 94 and play a role in locking the position of the mobile vehicle 9.

[0041] In order to achieve fine adjustment of the purge direction of the purge device 17, as a specific implementation of the pressure transmitter use training and assessment device provided by the present invention, please refer to Figures 1 to 4 The purge device 17 includes a purge head 171 whose purge direction can be swung and adjusted. The purge head 171 is used to purge toward the pressure transmitter 4, and the plane formed by the swing of the purge head 171 is in the vertical plane. The purge head 171 is similar to a pipe, which is connected to the air outlet end of the purge device 17 and can swing within a certain range. By adjusting the posture or position of the purge head 171, the purge direction can be adjusted, thereby achieving fine adjustment of the purge direction. The purge head 171 can also be a gooseneck tube, and the air outlet direction can be adjusted so that it can purge toward the pressure transmitter 4.

[0042] In order to implement training and assessment of the pressure transmitter 4 in a place or area without lighting, as a specific implementation of a training and assessment device for use of the pressure transmitter 4 provided by the present invention, please refer to Figures 1 to 4 The straight pipe 1 is connected with a lighting lamp 22 electrically connected to the computer 6, and the computer 6 is used to control the lighting lamp 22 to be on and off, so as to be suitable for training and assessing the pressure transmitter 4 at night. The computer 6 supplies power to the lighting lamp 22, and the lighting lamp 22 can be turned on to achieve illumination, which solves the technical problem that the training and assessment operation of the pressure transmitter 4 cannot be performed at night or in a place without lighting.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressure transmitter use training and assessment device, characterized in that: include: A straight tube, which is hollow inside and open at both ends, one end of which is connected to a standard pressure gauge, and the data indicated by the pointer on the standard pressure gauge is used as comparison data for training assessment; A standard gas cylinder, the gas outlet of which is connected to the other end of the straight tube through a hose, and the standard gas cylinder is used to transport gas into the straight tube; A plurality of ball valves are arranged in sequence and at equal intervals along the axial direction of the straight pipe, and one end of the ball valve is connected to the straight pipe; A plurality of pressure transmitters are connected to the other ends of the plurality of ball valves one by one. After the ball valves are opened, the gas in the straight pipe flows into the pressure transmitter, and the pressure transmitter monitors the gas pressure. A data collector, connected to the power supply terminal and the data output terminal of the pressure transmitter, for collecting monitoring data; A computer, electrically connected to the data acquisition device and used to receive and display monitoring data; Wherein, by having multiple persons operate multiple pressure transmitters at the same time, training and assessment on the use of the pressure transmitters can be conducted simultaneously; It also includes a mobile vehicle, on which a support frame is provided, a placement platform is provided in the middle of the support frame, the standard gas cylinder, the data acquisition device and the computer are all placed on the upper end of the placement platform, the straight pipe is provided on the upper end of the support frame, and the mobile vehicle is moved to any location to conduct training and assessment on the use of the pressure transmitter at different locations; It also includes a purge device disposed on the upper end of the mobile vehicle, the purge device being used to purge dust and impurities toward the plurality of pressure transmitters; The purging device comprises an electric rotating platform disposed on the upper end of the mobile vehicle, a vertical rod disposed on the upper end of the electric rotating platform, and a plurality of purges disposed on the vertical rod, wherein the purges are used to purge toward the pressure transmitters, and the plurality of pressure transmitters can be purged during the rotation process by means of the rotation energy of the electric rotating platform; A plurality of rings are arranged on the vertical rod at equal intervals in the height direction, a plurality of support rods are arranged on the outer circumferential walls of the rings, the support rods are arranged in a cantilever shape, a plurality of sleeves are slidably connected to the support rods along their length direction, one end of the blower is hingedly connected to the outer wall of the sleeve, the blowing direction of the blower can be adjusted by rotation at the hinge, the rotation plane formed by the rotation of the blower is in the vertical plane, the height of the blower is adjusted by means of the ring, and the horizontal position of the blower is adjusted by means of the sliding of the sleeve.

2. A pressure transmitter use training and assessment device as claimed in claim 1, characterized in that: It also includes a mobile terminal wirelessly connected to the computer, the mobile terminal is used to receive and display data monitored by the pressure transmitter, an electric valve for controlling the gas output flow rate is provided at the gas outlet of the standard gas cylinder, the electric valve is connected to a first wireless communication module, the mobile terminal is provided with a second wireless communication module wirelessly connected to the first wireless communication module, and the mobile terminal is suitable for controlling the operation of the electric valve.

3. A pressure transmitter use training and assessment device as claimed in claim 1, characterized in that: A controller electrically connected to the blower is provided near the upper end of the vertical rod. The controller is used to control the operation of multiple blowers to control the blowing of the pressure transmitter. The controller includes a timer, and the timer is used to control the timed blowing of the blower.

4. A pressure transmitter use training and assessment device as claimed in claim 1, characterized in that: The mobile vehicle includes an upper plate, a plurality of adjustment columns, a lower plate and a plurality of rollers, wherein the upper ends of the plurality of adjustment columns are connected to the bottom end of the upper plate, and the lower ends are connected to the upper end of the lower plate, and the adjustment columns are used to adjust the height of the upper plate, the support frame is arranged at the upper end of the upper plate, and the plurality of rollers are arranged at the bottom end of the lower plate, and a brake is arranged at the bottom end of the lower plate, and the brake is used to brake at least one of the rollers.

5. A pressure transmitter use training and assessment device as claimed in claim 1, characterized in that: The purge device comprises a purge head with a swingable and adjustable purge direction, the purge head is used for blowing toward the pressure transmitter, and a plane formed by the swing of the purge head is within a vertical plane.

6. A pressure transmitter use training and assessment device as claimed in claim 1, characterized in that: The straight pipe is connected with a lighting lamp which is electrically connected to the computer. The computer is used to control the lighting lamp to be on and off, so as to be suitable for training and assessment of the pressure transmitter at night.

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