Integrated digital servicing platform based on sand feeding, dirt discharging and water replenishing of locomotive

Abstract

The utility model discloses an integrated digital servicing platform based on sand feeding, dirt discharging and water replenishing of a locomotive. The integrated digital servicing platform comprises a sand feeding subsystem, a dirt discharging and water replenishing subsystem and a monitoring subsystem, the sand feeding system is arranged near the two sides of the locomotive platform; the sewage discharging and water supplementing subsystem is arranged near the two sides of the locomotive platform; the monitoring subsystems are respectively arranged in a control center and a locomotive servicing area, and are in communication connection with other subsystems; in actual locomotive servicing work and daily patrol and maintenance work, the monitoring subsystem monitors related contents in the sand feeding subsystem, the dirt discharging and water supplementing subsystem and an operator implementation plan table in real time and visually displays the related contents, the management capability is further enhanced, the operation safety is improved, meanwhile, data generated by operation are collected and stored, and the operation safety is improved. And analysis and iteration are carried out in combination with historical data, so that continuous optimization of locomotive servicing operation is realized, and the servicing capability and the servicing efficiency are further improved.

Description

Technical Field

[0001] The embodiments of the present utility model belong to the technical field of railway locomotive maintenance, and more specifically, relate to an integrated digital maintenance platform for sanding, sewage discharging and water replenishment on locomotives. Background Art

[0002] At the maintenance operation sites of passenger or freight locomotives and rolling stock, sanding, sewage discharging and water replenishment equipment is usually built to be responsible for the maintenance operations of locomotives and rolling stock. Among them, the sanding equipment is used to replenish sand into the sand boxes of locomotives. The sand is used to increase the friction between the wheels and the track during the operation of the locomotive, especially under wet, slippery or icy conditions, to ensure that the train can start, accelerate and brake smoothly; the sewage discharging equipment is mainly used to remove sewage and dirt on locomotives and rolling stock, such as toilet waste water and other domestic waste water; the water replenishment equipment is responsible for replenishing clean water into the water tanks of locomotives and passenger carriages for the use of passengers and the needs of the locomotive cooling system. These scattered tasks are important contents of locomotive operation management to ensure the safe operation of locomotives.

[0003] In the prior art, Chinese Patent with Document Number CN211714693U discloses a three-dimensional external connection maintenance integrated operation device for railway power-concentrated multiple units. Multiple longitudinal column-type inspection pits are arranged on the ground in the maintenance depot, and three-dimensional operation platforms are located on both sides of the column-type inspection pits; the automatic sanding system includes a sand storage and sand discharging device, a sand conveying pipeline, a sand distribution station, a sanding hose and a sand gun. The sanding hose and the sand gun are connected to the sand distribution station through the sand conveying pipeline and then connected to the sand storage and sand discharging device through the sand conveying pipeline; the automatic water supply system includes a water supply pump group, a water supply pipeline and an automatic water supply unit. The automatic water supply unit is located on the three-dimensional operation platform and is connected to the water supply pump group through the water supply pipeline; the vacuum sewage discharging system includes a vacuum sewage discharging pump group, a sewage discharging pipeline and a vacuum sewage discharging unit. The vacuum sewage discharging unit is connected to the vacuum sewage discharging pump group through the sewage discharging pipeline.

[0004] The Chinese Patent with Document Number CN211714693U effectively integrates the three-dimensional operation platform, automatic sanding, automatic water supply and automatic sewage discharging systems, and performs automatic operations, reducing the labor intensity of workers and solving the problem of scattered sanding, sewage discharging and water supply stations. However, it still does not solve the following problems that generally occur in traditional locomotive maintenance yards when using a full-yard maintenance schedule for management but adopting manual and paper-based recording methods for content transfer: (1) It cannot meet the characteristics of a large amount of maintenance work, resulting in a large amount of time and energy consumption for manual filling of the schedule; (2) The recording method of the traditional schedule is prone to information errors or problem omissions, and it is difficult to review; (3) There may be communication delays in the maintenance operations, and the operation conditions cannot be fed back to the management personnel, resulting in untimely handling of on-site equipment usage problems; (4) The operation quality cannot be verified, and the operation process cannot be traced, affecting the safe operation of locomotives. Content of the Utility Model

[0005] In view of the above defects or improvement requirements of the prior art, the present utility model provides an integrated digital maintenance platform for sanding, sewage discharging and water replenishing on locomotives. The monitoring subsystem monitors the relevant contents in the sanding subsystem, the sewage discharging and water replenishing subsystem, and the operation personnel implementation plan in real time, and performs visual display, further enhancing the management ability and improving the operation safety. At the same time, the data generated by the operation is collected, stored, and analyzed and iterated in combination with historical data to realize the continuous optimization of the locomotive maintenance operation, and further improve the maintenance ability and maintenance efficiency.

[0006] To achieve the above object, the present utility model provides an integrated digital maintenance platform for sanding, sewage discharging and water replenishing on locomotives, including: a sanding subsystem, a sewage discharging and water replenishing subsystem, and a monitoring subsystem, wherein:

[0007] The sanding subsystem includes: a bag opener, a sand house conveying unit, a sand bin, a pneumatic conveying unit, a sand mixing station, and a dust collector; the bag opener is arranged near the sand house conveying unit; the sand house conveying unit is arranged near both sides of the locomotive position; the sand bin is arranged near both sides of the locomotive position and is connected to the sand house conveying unit; the pneumatic conveying unit is connected to the sand bin and the sand mixing station respectively through a sand conveying pipeline; the dust collector is connected to other components of the sanding subsystem through a ventilation pipeline;

[0008] The sewage discharging and water replenishing subsystem is arranged near both sides of the locomotive position and mainly includes: a sewage discharging and water replenishing unit, a vacuum unit, a water supply pump, and a clean water tank; the sewage discharging and water replenishing unit is arranged near the sand mixing station, and includes a sewage discharging input end and a water replenishing output end; the vacuum unit is arranged near the locomotive maintenance position and is connected to the sewage discharging and water replenishing unit through a sewage discharging pipeline; the water supply pump is connected to the clean water tank and the water replenishing output end respectively through a water supply pipeline;

[0009] The monitoring subsystem includes: monitoring cameras, a broadcast, a barrier gate machine, and an integrated machine monitoring console; several monitoring cameras are arranged around the locomotive maintenance operation area and the equipment operation area; the broadcast is arranged near the locomotive position; several barrier gate machines are arranged at both ends of the locomotive position, and several indicator lights are also arranged on one side thereof; the integrated machine monitoring console is arranged in the locomotive maintenance operation area and is connected to other working equipment.

[0010] Further, the integrated machine monitoring console is connected to the sanding subsystem, the sewage discharging and water replenishing subsystem, and the barrier gate machine through a PLC device.

[0011] Further, each device in the sanding subsystem and the sewage discharging and water replenishing subsystem adopts RFID technology, and the read data is transmitted to the integrated machine monitoring console through the PLC device.

[0012] Further, the data read includes the data of the equipment during the preparation operation and the daily inspection and maintenance.

[0013] Further, the unpacking machine is connected to the PLC device through an RS-485 interface, and the remaining equipment is respectively connected to the PLC device or the integrated machine monitoring console through an RJ45 interface.

[0014] Further, the connection method between the monitoring camera and the integrated machine monitoring console is the PoE method.

[0015] Further, the broadcast is communicatively connected to the integrated machine monitoring console through the INP communication protocol.

[0016] Further, the sand in the sand bin has a quartz content of ≥75%, a clay component of ≤2.5%, and an overall particle size range of 0.5 - 1 mm.

[0017] Further, the pneumatic conveying unit conveys the sand to the sand blending station at a conveying rate of 0.8 - 1.2 m / s.

[0018] Further, the indicator light can display text prompt information.

[0019] Generally speaking, compared with the prior art through the above technical solutions conceived by the present utility model, the following beneficial effects can be achieved:

[0020] (1) For the digital preparation platform of the present utility model, through the monitoring subsystem, the relevant contents in the sand feeding system, the sewage discharging and water replenishing subsystem, and the operation personnel implementation plan are monitored in real time and visually displayed, further enhancing the management ability and improving the operation safety. At the same time, the data generated during the operation is collected, stored, analyzed and iterated in combination with historical data to continuously optimize the locomotive preparation operation, and further improve the preparation ability and preparation efficiency.

[0021] (2) For the digital preparation platform of the present utility model, the monitoring camera and the integrated machine monitoring console are connected through the PoE method, which is used to monitor the operation area in real time, ensure the stability of video information transmission and operation safety. At the same time, it reduces the cost of separately laying power lines, reduces the complexity of installation and maintenance, and reduces the risk of electrical fires by using low-voltage power supply.

[0022] (3) For the digital preparation platform of the present utility model, RFID technology is adopted for each device in the sand feeding system and the sewage discharging and water replenishing subsystem, and the read data is transmitted to the integrated machine monitoring console through the PLC device to realize the real-time monitoring and control of the locomotive preparation operation and daily inspection and maintenance.

[0023] (4)The digital preparation platform of the present utility model reduces the wiring complexity and cost by setting the interfaces of all devices except the unpacking machine to the same type of interface as that of the integrated machine monitoring console, ensuring seamless connection and communication between different devices and systems, thus facilitating maintenance and troubleshooting.

[0024] (5)The digital preparation platform of the present utility model saves manpower by performing a final status check on the results of the preparation operation and the preparation equipment, and can also reduce maintenance errors caused by mistakes, improving the preparation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is the layout diagram of the locomotive preparation area in the embodiment of the present utility model;

[0026] Figure 2 is the structural schematic diagram of the integrated machine monitoring console in the embodiment of the present utility model.

[0027] In all the drawings, the same reference numerals represent the same technical features, specifically:

[0028] 1 - integrated machine monitoring console, 11 - processor, 12 - memory, 13 - communication bus, 14 - network interface, 15 - communication interface, 16 - user interface. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. In addition, the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0030] As Figure 1 and Figure 2 shown, an embodiment of the present utility model provides an integrated digital preparation platform for sanding, sewage discharging and water replenishing on a locomotive, including: a sanding subsystem, a sewage discharging and water replenishing subsystem and a monitoring subsystem; the sanding subsystem is arranged near both sides of the locomotive position; the sewage discharging and water replenishing subsystem is arranged near both sides of the locomotive position; the monitoring subsystem is respectively arranged in the control center and the locomotive preparation area, and is communicatively connected to other subsystems at the same time; in actual locomotive preparation operations and daily patrol and maintenance work, the monitoring subsystem monitors the sanding subsystem, the sewage discharging and water replenishing subsystem, and the relevant contents in the operation personnel implementation plan in real time, and performs visual display, further enhancing the management ability and improving the operation safety. At the same time, the data generated by the operation is collected, stored, analyzed and iterated in combination with historical data to realize the continuous optimization of the locomotive preparation operation, and further improve the preparation ability and preparation efficiency.

[0031] Specifically, as Figure 1 shown, the upper sand subsystem is provided near both sides of the locomotive position and is used to replenish sand for the locomotive, so that sufficient sand is stored during the operation of the locomotive to sprinkle sand on the surface of the rail, thereby increasing the friction between the wheel and the rail and ensuring the operation safety of the locomotive in bad weather or special sections. It includes: a unpacking machine, a sand house conveying unit, a sand bin, a pneumatic conveying unit, a sand mixing station and a dust collector.

[0032] The unpacking machine is arranged near the sand house conveying unit and is used to disassemble packaging materials such as sand, and is communicatively connected with the monitoring subsystem to realize the informatization management of material use, improve the management level and operation quality.

[0033] The sand house conveying unit is arranged near both sides of the locomotive position and is mainly composed of equipment such as sand feeding and sand leaking devices, and is used to convey bagged or bulk dry quartz sand from the ground to the sand bin through manual assistance.

[0034] Preferably, for the sand transported to the sand bin through the treatment of the sand house conveying unit, the quartz content is ≥75%, the clay content is ≤2.5%, and the overall particle size range is 0.5 - 1 mm.

[0035] Preferably, the sand in the sand bin is the sand after drying treatment and has a certain fluidity.

[0036] The sand bin is arranged near both sides of the locomotive position and is connected with the sand house conveying unit, and is used to store dry sand for the use of the sand mixing station.

[0037] Preferably, the sand bin has a sand level detection function, and is provided with sand level detection equipment including contact type or non-contact type, so that when the sand level is lower than the lowest level, the system alarms to prompt sand replenishment, and when the sand bin is replenished to the rated highest level, the system alarms to stop sand replenishment.

[0038] The pneumatic conveying unit is respectively connected with the sand bin and the sand mixing station through a sand conveying pipeline, and is used to convey the sand in the sand bin to the sand mixing station. It is mainly composed of an air compressor unit and a sending tank, and adopts a positive pressure conveying method to convey sand, and controls the conveying speed on the premise of meeting the sand conveying volume, effectively reducing the wear of the conveying pipeline and the breakage rate of sand grains.

[0039] Preferably, the conveying rate of the pneumatic conveying unit for conveying sand to the sand mixing station is 0.8 - 1.2 m / s.

[0040] The sand mixing station is connected with the pneumatic conveying unit, and mainly inputs sand into the sand storage tank of the locomotive through a sand gun.

[0041] Preferably, a level sensor is provided in each sand batching station, so that when a single sand batching station is short of sand, the pneumatic conveying unit can automatically replenish sand for the sand batching station without affecting the use of other sand batching stations, keeping the sand batching stations in a standby state with full sand at all times.

[0042] The dust collector is connected to other components of the sand loading system through a ventilation pipeline to prevent dust generated during sand transportation from polluting the operating environment and effectively collect the dust generated during sand loading operations.

[0043] Specifically, as Figure 1 shown, the sewage discharge and water replenishment subsystem is provided near both sides of the locomotive position, used to remove the wastewater generated by the toilet system in the locomotive, avoid the direct discharge of untreated sewage into the environment, protect the ecological environment, and at the same time, provide necessary domestic water for the water supply equipment such as the toilet system and washbasin in the locomotive. It mainly includes: a sewage discharge and water replenishment unit, a vacuum unit, a water supply pump, and a water purification tank.

[0044] The sewage discharge and water replenishment unit is provided near the sand batching station, which includes a sewage discharge input end and a water replenishment output end, and is used to cooperate with the sand batching station to reduce the length of the locomotive position and improve the locomotive maintenance efficiency.

[0045] Preferably, the sand batching station and the sewage discharge and water replenishment unit are arranged crosswise respectively, and the arrangement order on both sides of the same locomotive position is opposite.

[0046] The vacuum unit is provided near the locomotive maintenance position, and is connected to the sewage discharge and water replenishment unit through a sewage discharge pipeline, used to suck out the excrement and other wastes in the locomotive toilet or waste bin by vacuum suction and transport them to the designated waste treatment facility.

[0047] The water supply pump is connected to the water purification tank and the water replenishment output end respectively through a water supply pipeline, used to ensure that the water supply pressure and quantity meet the requirements, thereby shortening the water replenishment time and improving the maintenance efficiency.

[0048] Specifically, as Figure 1 and 2 shown, the monitoring subsystem is respectively provided in the control center and the locomotive maintenance area, and is connected to other subsystems for communication, used to adjust the locomotive maintenance operation rhythm and daily patrol and maintenance, improve the maintenance efficiency and safety. It includes: monitoring cameras, a broadcast, a barrier gate, and an integrated machine monitoring console 1;

[0049] A number of the monitoring cameras are provided around the locomotive maintenance operation area and the equipment operation area, and are connected to the integrated machine monitoring console 1, used to monitor the operation area in real time, ensure the stability of video information transmission and operation safety. At the same time, it reduces the cost of laying power lines separately, reduces the complexity of installation and maintenance, and reduces the risk of electrical fires by using low-voltage power supply.

[0050] Preferably, the connection mode between the monitoring camera and the integrated machine monitoring console 1 is the PoE mode.

[0051] The broadcast is provided near the locomotive position and is communicatively connected to the integrated machine monitoring console 1, for prompting the operation status and improving the management level.

[0052] Preferably, the broadcast is communicatively connected to the integrated machine monitoring console 1 through the INP communication protocol.

[0053] A plurality of the gate machines are provided at both ends of the fuselage position, and a plurality of indicator lights are further provided on one side thereof, and all are communicatively connected to the integrated machine monitoring console 1, so that the states of the gate machines and the indicator lights are synchronized, that is, when the gate starts to rise, the indicator light is green, indicating that the vehicle can pass; when the gate starts to fall, the indicator light is red, indicating that the vehicle stops.

[0054] Preferably, the indicator lights are provided on one side of the middle of the locomotive position, for adapting to the length of the locomotive position and ensuring the stability of information transmission.

[0055] In an alternative embodiment, the indicator lights are controlled by the integrated machine monitoring console 1 and can display text prompt information.

[0056] The integrated machine monitoring console 1 is provided in the locomotive maintenance operation area and is connected to other working devices, for receiving the information feedback of other components and improving the locomotive maintenance management ability and operation quality.

[0057] Preferably, the integrated machine monitoring console 1 is connected to the sand feeding system, the sewage discharging and water replenishing subsystem and the gate machine through a PLC device, for ensuring the stability and reliability of program execution.

[0058] Preferably, each device in the sand feeding system and the sewage discharging and water replenishing subsystem adopts RFID technology, and the read data is transmitted to the integrated machine monitoring console 1 through the PLC device, to realize the real-time monitoring and control of the locomotive maintenance operation and daily patrol and maintenance.

[0059] Preferably, the read data includes the data of the equipment during the maintenance operation and daily patrol and maintenance.

[0060] Preferably, the unpacking machine is connected to the PLC device through an RS-485 interface, for adapting to the position of the unpacking machine, and the rest of the devices are respectively connected to the PLC device or the integrated machine monitoring console 1 through RJ45 interfaces, for reducing the wiring complexity and cost and ensuring seamless connection and communication between different devices and systems, thereby contributing to maintenance and troubleshooting.

[0061] Preferably, the all-in-one monitoring console 1 includes: at least one processor 11, at least one network interface 14, at least one communication interface 15, at least one user interface 16, at least one memory 12, and a communication bus 13. Among them, the at least one processor 11, the at least one network interface 14, the at least one communication interface 15, the at least one user interface 16, and the at least one memory 12 complete the connection and communication with each other through the communication bus 13. The network interface 14 includes a standard wired interface and a wireless interface. The communication interface 15 includes a standard wired interface and a wireless interface. The user interface 16 includes a display screen for interaction, a keyboard, a standard wired interface, and a wireless interface. At least one of the processors 11 can call the logical instructions in at least one of the memories 12, so as to cooperate with the PLC device to realize the real-time regulation of the locomotive maintenance operation.

[0062] The working principle of the present utility model: The all-in-one monitoring console 1 executes the daily maintenance schedule to monitor the material preparation and daily inspection and maintenance of the sanding system and the sewage discharge and water replenishment subsystem; before the locomotive enters the position, the all-in-one monitoring console 1 identifies the locomotive model and number through the internal communication and positioning information of the locomotive, as well as the monitoring camera, controls the operating state of the gate machine, leads the locomotive into the designated maintenance position, and confirms that the locomotive has heard and is in a safe state; according to the locomotive type and requirements, the sanding system and the sewage discharge and water replenishment subsystem perform sanding, sewage discharge and water replenishment operations on the locomotive under the monitoring of the all-in-one monitoring console 1 to ensure the normal progress of the maintenance operation. If the all-in-one monitoring console 1 detects an abnormality through the monitoring camera and the information read from the sanding system and the sewage discharge and water replenishment subsystem, it will promptly notify the staff to eliminate the abnormality through the broadcast; before the locomotive completes the maintenance operation and is ready to drive out of the position, the all-in-one monitoring console 1 performs a final status check on the maintenance operation results and maintenance equipment according to the information read from the sanding system and the sewage discharge and water replenishment subsystem, as well as the video information of the monitoring camera, confirms that all maintenance operations have been completed and meet the standards, and all the equipment of the sanding system and the sewage discharge and water replenishment subsystem near the locomotive position is removed from the locomotive and placed in the designated storage location; through the instruction of the all-in-one monitoring console 1, the gate machine is opened to guide the locomotive to safely drive out of the maintenance position; at the same time, the all-in-one monitoring console 1 automatically records the operation data and archives it, including operation time, operation content, locomotive information, etc., for subsequent data analysis and historical traceability.

[0063] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative positional relationship, movement conditions, etc. between components in a certain specific posture (as shown in the attached drawings). If the specific posture changes, the directional indications will also change accordingly.

[0064] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0065] In this patent, the term "comprise", "include" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, the elements defined by the statement "comprising..." do not preclude the existence of additional identical elements in the process, method, article or device comprising the said elements.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit it; it is easy for those skilled in the art to understand that the above is only a preferred embodiment of the present utility model and is not used to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A digital preparation platform based on the integration of locomotive sand loading, sewage unloading and water replenishment, characterized in that: include: Sand loading subsystem, sewage unloading and water replenishment subsystem and monitoring subsystem, including: The sand loading system includes: a bag unpacker, a sand room conveying unit, a sand bin, a pneumatic conveying unit, a sand distribution station and a dust collector; the bag unpacker is arranged near the sand room conveying unit; the sand room conveying unit is arranged near both sides of the locomotive platform; the sand bin is arranged near both sides of the locomotive platform and connected to the sand room conveying unit; the pneumatic conveying unit is respectively connected to the sand bin and the sand distribution station through a sand conveying pipeline; the dust collector is connected to other components of the sand loading system through a ventilation pipeline; The sewage unloading and water replenishment subsystem is arranged near both sides of the locomotive platform, and mainly includes: sewage unloading and water replenishment unit, vacuum unit, water supply pump and clean water tank; the sewage unloading and water replenishment unit is arranged near the sand preparation station, and includes a sewage unloading input end and a water replenishment output end; the vacuum unit is arranged near the locomotive preparation platform, and is connected to the sewage unloading and water replenishment unit through a sewage discharge pipeline; the water supply pump is respectively connected to the clean water tank and the water replenishment output end through a water supply pipeline; The monitoring subsystem comprises: monitoring cameras, broadcasting, gate machines and an integrated monitoring console (1); a plurality of the monitoring cameras are arranged around the locomotive preparation operation area and the equipment operation area; the broadcasting is arranged near the locomotive platform; a plurality of the gate machines are arranged at both ends of the machine platform, and a plurality of indicator lights are arranged on one side; the integrated monitoring console (1) is arranged in the locomotive preparation operation area and is connected to other working equipment.

2. The digital preparation platform according to claim 1, characterized in that: The integrated monitoring station (1) is connected to the sand loading subsystem, the sewage unloading and water replenishing subsystem and the gate machine via a PLC device.

3. The digital preparation platform according to claim 2, characterized in that: Each device in the sand loading subsystem and the sewage unloading and water replenishment subsystem adopts RFID technology, and transmits the read data to the all-in-one monitoring station (1) through the PLC device.

4. The digital preparation platform according to claim 3, characterized in that: The data read includes data of the equipment during maintenance work and daily inspection and maintenance.

5. The digital preparation platform according to claim 2, characterized in that: The unpacking machine is connected to the PLC device via an RS-485 interface, and the remaining devices are connected to the PLC device or the integrated monitoring station (1) via RJ45 interfaces.

6. The digital preparation platform according to any one of claims 1 to 5, characterized in that: The monitoring camera is connected to the all-in-one monitoring station (1) via PoE.

7. The digital preparation platform according to any one of claims 1 to 5, characterized in that: The broadcast is connected to the integrated monitoring station (1) through the INP communication protocol.

8. The digital preparation platform according to any one of claims 1 to 5, characterized in that: The sand in the sand bin has a quartz content of ≥75%, a clay content of ≤2.5%, and an overall particle size range of 0.5~1mm.

9. The digital preparation platform according to any one of claims 1 to 5, characterized in that: The pneumatic conveying unit conveys sand to the sand preparation station at a conveying rate of 0.8-1.2 m / s.

10. The digital preparation platform according to any one of claims 1 to 5, characterized in that: The indicator light can display text prompt information.

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