Intelligent quantitative loading equipment for silo particle materials

Abstract

The utility model discloses intelligent quantitative loading equipment for silo particle materials, and particularly relates to the technical field of quantitative loading of the particle materials, the intelligent quantitative loading equipment comprises a fixed bin, a material conveying bin is fixedly arranged in the fixed bin, a feeding pipe is arranged on one side of the material conveying bin in a penetrating manner, and a plurality of discharging frames are arranged at the bottom of the material conveying bin in a penetrating manner; adjusting mechanisms are arranged at the bottoms of the multiple discharging frames and comprise electromagnetic valves fixedly arranged at the bottoms of the discharging frames, discharging hoses are fixedly arranged on one sides of the electromagnetic valves, discharging hoppers are fixedly arranged on one sides of the discharging hoses, a fixing frame is fixedly arranged at the bottom of the conveying bin, and a heat dissipation box is fixedly arranged on one side of the fixing frame. A stepping motor is installed in the heat dissipation box. According to the full-automatic intelligent quantitative loading system, the discharge on-off and flow can be accurately controlled, the discharge hose and the discharge hopper ensure that materials are smoothly guided to the carriage, the materials can be uniformly distributed in the carriage, accumulation is avoided, and full-automatic intelligent quantitative loading is realized.

Description

Technical Field

[0001] This utility model relates to the field of quantitative loading technology for granular materials, and more specifically, to an intelligent quantitative loading device for silo granular materials. Background Technology

[0002] The transportation volume of granular materials in mining, quarrying, crushing sand and gravel aggregate, cement industry, coal, steel industry and industrial fields is extremely large. With the continuous expansion of global trade and the increasingly frequent material allocation between different regions in China, the requirements for the loading efficiency and accuracy of these granular materials are getting higher and higher. In the silo unloading and loading process of coal mines, it is necessary to ensure the supply of accurate quantities of coal to customers such as power plants and steel plants, which requires weighing and measuring the materials during loading, unloading and transportation.

[0003] When loading, unloading, and transporting materials, and weighing and measuring the weight, existing institutions need to move vehicles multiple times for a single truckload of materials. At the same time, they also face situations of reloading and multiple loading and unloading, resulting in low work efficiency and a lot of time consumption.

[0004] A search revealed that Chinese patent CN219135800U discloses an intelligent quantitative loading device for silo granular materials. In operation, the loading vehicle is positioned on a weighbridge, and material is fed into the loading chamber through the feed pipe. A rotating motor drives a stirring rod to prevent blockage. The material then flows through the discharge pipe to the loading shell, where it is weighed. Once a certain quantity is reached, a second electrically controlled valve closes, and a third electrically controlled valve opens, allowing the material to be loaded onto the vehicle through the loading pipe. During the process, the weighbridge weighs the material in real time. The controller, based on feedback from various sensors, controls the opening and closing of each electrically controlled valve. Power is supplied via a mains interface, thus achieving intelligent quantitative loading of granular materials. This ensures loading efficiency and accuracy, allowing for more convenient and less cumbersome quantitative loading of granular materials. It eliminates the need for multiple vehicle movements and avoids situations requiring reloading or multiple unloading, improving work efficiency and reducing time consumption. The structure is relatively simple and easy to use.

[0005] However, in actual use, the granular material is directly transported into the vehicle compartment through the loading pipe after the third electrically controlled valve is opened. However, since the length of the compartment varies from vehicle to vehicle, and the position or angle of the loading pipe is difficult to adjust, the material landing point cannot accurately fit the compartment space, affecting the overall use effect. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides an intelligent quantitative loading device for silo granular materials to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A smart quantitative loading device for silo granular materials includes a fixed silo, a conveying silo is fixedly installed inside the fixed silo, an inlet pipe is provided through one side of the conveying silo, and multiple outlet frames are provided through the bottom of the conveying silo, with an adjustment mechanism provided at the bottom of each of the multiple outlet frames.

[0009] The adjusting mechanism includes a solenoid valve fixedly mounted at the bottom of the discharge frame, a discharge hose fixedly mounted on one side of the solenoid valve, a discharge hopper fixedly mounted on one side of the discharge hose, a fixed frame fixedly mounted at the bottom of the conveying bin, a heat sink fixedly mounted on one side of the fixed frame, a stepper motor installed inside the heat sink, a screw fixedly mounted at the output end of the stepper motor, a T-shaped sliding frame threaded to the outside of the screw, a mounting frame fixedly mounted at the bottom of the T-shaped sliding frame, multiple heat dissipation holes on the surface of the heat sink, one end of the screw passing through the heat sink and the fixed frame and rotatably connected to the inner wall of the fixed frame, the T-shaped sliding frame slidably connected to the fixed frame, and a mounting groove on the surface of the mounting frame, the inner wall of the mounting groove being fixedly connected to the outer wall of one end of the discharge hose.

[0010] By adopting the above technical solutions, the solenoid valve can accurately control the discharge on / off and flow rate, the discharge hose and discharge hopper ensure that the material is smoothly guided to the carriage, and can also make the material evenly distributed in the carriage to avoid accumulation.

[0011] As a further description of the above technical solution: the conveying hopper is equipped with a stirring mechanism, which includes a mounting box fixedly mounted on the top of the conveying hopper. Multiple mounting brackets are fixedly mounted inside the mounting box, and motors are installed inside the mounting brackets. A rotating shaft is fixedly mounted at the output end of the motor. One end of the rotating shaft passes through the conveying hopper and is rotatably connected to the inner wall of the conveying hopper. Multiple stirring strips are fixedly mounted on the surface of the rotating shaft, and multiple stirring rods are mounted on the surface of each of the stirring strips. Two fixed cylinders are fixedly mounted on the surface of the rotating shaft, and multiple stirring blades are fixedly mounted on the surface of each of the two fixed cylinders. Heat dissipation vents are provided on the surface of the mounting box, and heat dissipation meshes are fixedly mounted inside the heat dissipation vents.

[0012] By adopting the above technical solution, the materials in the conveying hopper can be fully stirred, resulting in a more uniform particle distribution. It also effectively improves the undesirable state of materials such as agglomeration and stratification, ensuring consistent discharge properties, facilitating precise quantitative loading, and improving loading quality and efficiency.

[0013] As a further description of the above technical solution: extension plates are fixedly installed on both sides of the fixed chamber, and two inclined guide plates are fixedly installed on one side of the extension plates. Multiple protruding anti-slip strips are fixedly installed on the surface of the two inclined guide plates. A weighbridge is fixedly installed inside the fixed chamber. A weighing sensor is installed on one side of the weighbridge. A controller is fixedly installed on one side of the fixed chamber. A data acquisition module is installed on one side of the controller. A display screen is fixedly installed on one side of the data acquisition module.

[0014] By adopting the above technical solutions: the extension plate and the inclined guide plate with anti-slip strips facilitate the accurate parking of vehicles and ensure the stability of vehicle driving during loading; the weighbridge with weighing sensors can accurately weigh and provide accurate data support for quantitative loading; the display screen allows operators to intuitively grasp the loading situation, thus improving the overall accuracy, convenience and operability of loading.

[0015] The technical effects and advantages of this utility model are as follows:

[0016] By setting up an adjustment mechanism, compared with existing technologies, the controller can precisely control the solenoid valve to flexibly adjust the initial on / off state and flow rate of material flowing out of the discharge frame, ensuring orderly discharge. Moreover, with the help of a moving adjustment structure composed of a stepper motor, screw, and T-shaped slide frame, the discharge hose and discharge hopper can be moved horizontally while the heat dissipation box ensures normal heat dissipation of the motor. This effectively adjusts the discharge position, not only ensuring that the granular material falls accurately into the appropriate position in the truck, but more importantly, ensuring that the material is evenly distributed in the truck, avoiding accumulation in one place. This greatly improves the uniformity and rationality of loading, helps to improve loading efficiency and quality, and ensures the smooth operation of subsequent transportation and other links.

[0017] By incorporating a stirring mechanism, compared to existing technologies, the motor is securely supported by a mounting frame, and its output drives the shaft to rotate smoothly. This, in turn, drives the stirring bars, stirring rods, fixed cylinder, and stirring blades to work together to fully stir the materials in the conveying hopper. For materials that are prone to clumping or stratification, this effectively improves their condition, resulting in a more uniform distribution of components and particles. This ensures the consistency of material properties during loading and lays a solid foundation for precise quantitative loading. Furthermore, the data acquisition module works in conjunction with the controller to compare the real-time weight with the target weight and control the material flow rate by adjusting the opening of the solenoid valve. The display screen shows the relevant loading data in real time, making it convenient for operators to monitor the situation and improving loading quality and efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a detailed structural diagram of the adjustment mechanism of this utility model.

[0020] Figure 3 This is a cross-sectional structural diagram of the adjustment mechanism of this utility model.

[0021] Figure 4 This is a schematic diagram of the stirring mechanism of this utility model.

[0022] Figure 5 This is a schematic diagram of the overall side cross-sectional structure of this utility model.

[0023] Figure 6 This is a schematic diagram of the overall frontal cross-sectional structure of this utility model.

[0024] Figure 7 This is a schematic diagram of the operating system of this utility model.

[0025] The attached diagram is labeled as follows: 1. Fixed bin; 2. Conveying bin; 3. Feed pipe; 4. Discharge frame; 5. Solenoid valve; 6. Discharge hose; 7. Discharge hopper; 8. Fixed frame; 9. Heat sink; 10. Stepper motor; 11. Screw; 12. T-shaped slide frame; 13. Mounting frame; 14. Mounting box; 15. Motor; 16. Rotating shaft; 17. Stirring bar; 18. Stirring rod; 19. Fixed cylinder; 20. Stirring blade; 21. Heat sink; 22. Extension plate; 23. Inclined guide plate; 24. Weighbridge; 25. Weighing sensor; 26. Controller; 27. Data acquisition module; 28. Display screen. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] The embodiments disclosed in this application are as follows: Figure 1-7 The intelligent quantitative loading equipment for silo granular materials shown includes a fixed silo 1, a conveying silo 2 fixedly installed inside the fixed silo 1, an inlet pipe 3 through one side of the conveying silo 2, and multiple discharge frames 4 through the bottom of the conveying silo 2. Each of the multiple discharge frames 4 is equipped with an adjustment mechanism at its bottom.

[0028] The regulating mechanism includes a solenoid valve 5 fixedly mounted at the bottom of the discharge frame 4, a discharge hose 6 fixedly mounted on one side of the solenoid valve 5, a discharge hopper 7 fixedly mounted on one side of the discharge hose 6, a fixed frame 8 fixedly mounted at the bottom of the conveying bin 2, a heat sink 9 fixedly mounted on one side of the fixed frame 8, a stepper motor 10 installed inside the heat sink 9, a screw 11 fixedly mounted at the output end of the stepper motor 10, a T-shaped slide frame 12 threadedly connected to the outside of the screw 11, a mounting frame 13 fixedly mounted at the bottom of the T-shaped slide frame 12, multiple heat dissipation holes on the surface of the heat sink 9, and one end of the screw 11 passing through the heat sink 9 and the fixed frame 8 and rotating through the inner wall of the fixed frame 8. Next, the T-shaped sliding frame 12 is slidably connected to the fixed frame 8. The surface of the mounting frame 13 is provided with a mounting groove. The inner wall of the mounting groove is fixedly connected to the outer wall of one end of the discharge hose 6. The solenoid valve 5 located at the bottom of the discharge frame 4 is opened to a certain initial opening degree under the control of the controller 26. The solenoid valve 5 controls the on / off state of the material flowing out of the discharge frame 4 and the initial state of the flow rate. The material flowing out of the discharge frame 4 is transmitted through the discharge hose 6. The discharge hose 6 has a certain degree of flexibility and can adapt to certain position changes. The granular material enters the discharge hopper 7. The discharge hopper 7 plays the role of guiding the material to fall accurately into the vehicle compartment, ensuring that the material can be smoothly loaded into the appropriate position in the compartment.

[0029] To ensure that the material is distributed more evenly in the carriage, the controller 26 controls the stepper motor 10 to start working. The stepper motor 10 is installed in the heat sink 9, and the surface of the heat sink 9 has multiple heat dissipation holes to dissipate the heat generated by the stepper motor 10 during operation, ensuring the normal operation of the stepper motor 10. The stepper motor 10 drives the screw 11 to rotate. Since the T-shaped slide frame 12 is threadedly connected to the screw 11 and slidably connected to the fixed frame 8, the T-shaped slide frame 12 will move linearly along the fixed frame 8 when the screw 11 rotates.

[0030] The mounting frame 13, which is fixed to the bottom of the T-shaped sliding frame 12, is fixedly connected to the inner wall of the mounting groove through the discharge hose 6, thereby driving the discharge hose 6 and the discharge hopper 7 to move horizontally, thereby adjusting the discharge position and allowing the material to fall evenly at different positions in the carriage, avoiding the accumulation of material in one place.

[0031] Reference Figure 2-4As shown, the conveying hopper 2 is equipped with a stirring mechanism. The stirring mechanism includes a mounting box 14 fixedly mounted on the top of the conveying hopper 2. Multiple mounting brackets are fixedly mounted inside the mounting box 14, and motors 15 are installed inside the mounting brackets. A rotating shaft 16 is fixedly mounted at the output end of the motor 15. One end of the rotating shaft 16 passes through the conveying hopper 2 and is rotatably connected to the inner wall of the conveying hopper 2. Multiple stirring bars 17 are fixedly mounted on the surface of the rotating shaft 16, and multiple stirring rods 18 are mounted on the surface of each of the stirring bars 17. Two fixed cylinders 19 are fixedly mounted on the surface of the rotating shaft 16, and multiple stirring blades 20 are fixedly mounted on the surface of each of the two fixed cylinders 19. The surface of the mounting box 14 is provided with heat dissipation vents, and heat dissipation mesh 21 is fixedly mounted inside the heat dissipation vents. The feed pipe 3 is connected to external conveying equipment. Particle materials enter the conveying hopper 2 through the feed pipe 3 for temporary storage. In preparation for subsequent loading operations, the controller 26 controls multiple motors 15 inside the mounting box 14 to start working. The motors 15 are fixed on the mounting frame, which provides a stable support structure for the motors 15. The output end of the motors 15 drives the rotating shaft 16 to rotate. The rotating shaft 16 passes through the material conveying bin 2 and is rotatably connected to it, ensuring smooth rotation. As the rotating shaft 16 rotates, it drives multiple stirring strips 17 and multiple stirring rods 18 set on the surface of the stirring strips 17 to rotate and stir. At the same time, it drives the fixed cylinder 19 and stirring blades 20 to rotate and stir, fully stirring the granular material in the material conveying bin 2, making the composition and particle distribution of the material more uniform. Especially for some materials that have agglomeration or have stratification after long-term storage, it can effectively improve their state, ensuring the consistency of material properties when loading and unloading, and facilitating accurate quantitative loading.

[0032] Reference Figure 5-7As shown, extension plates 22 are fixedly installed on both sides of the fixed compartment 1. Two inclined guide plates 23 are fixedly installed on one side of the extension plates 22. Multiple protruding anti-slip strips are fixedly installed on the surface of the two inclined guide plates 23. A weighbridge 24 is fixedly installed inside the fixed compartment 1. A weighing sensor 25 is installed on one side of the weighbridge 24. A controller 26 is fixedly installed on one side of the fixed compartment 1. A data acquisition module 27 is installed on one side of the controller 26. A display screen 28 is fixedly installed on one side of the data acquisition module 27. The data acquisition module 27 transmits the collected weight data to the controller 26. The controller 26 compares and analyzes the real-time weight with the preset target weight for loading and displays the result on the display screen 28. The display shows that if the real-time weight has not yet reached the target weight and there is still a certain gap between the target and the target, the controller 26 will adjust the opening of the solenoid valve 5 according to the difference, appropriately increase the material flow, and speed up the loading. Conversely, if it is close to the target weight, the opening of the solenoid valve 5 will be reduced to slow down the material flow. When the target weight is reached, the controller 26 will control the solenoid valve 5 to close completely, stop the material discharge, and complete the current quantitative loading operation. The display screen 28 can display the relevant data of the current loading in real time, such as the loaded weight, target weight, and loading progress, so that the operator can intuitively understand the loading situation. Throughout the process, the controller 26 continuously monitors the operating status of each component to ensure the stable and reliable operation of the equipment.

[0033] Working principle of this utility model:

[0034] This utility model is an intelligent quantitative loading device for silo granular materials. In use, the feed pipe 3 is connected to an external conveying device. Granular materials enter the conveying silo 2 through the feed pipe 3 for temporary storage, preparing for subsequent loading operations. Then, the controller 26 controls multiple motors 15 in the mounting box 14 to start working. The motors 15 are fixed on the mounting frame, which provides a stable support structure for the motors 15. The output end of the motors 15 drives the rotating shaft 16 to rotate. The rotating shaft 16 passes through the conveying silo 2 and is rotatably connected to it, ensuring smooth rotation. As the rotating shaft 16 rotates, it drives multiple stirring strips 17 and multiple stirring rods 18 on the surface of the stirring strips 17 to rotate and stir. At the same time, it drives the fixed cylinder 19 and stirring blades 20 to rotate and stir, fully stirring the granular materials in the conveying silo 2, making the composition and particle distribution of the material more uniform. Especially for some materials that have agglomeration or have stratification after long-term storage, it can effectively improve their state, ensuring the consistency of material properties when discharging and loading, and facilitating accurate quantitative loading.

[0035] The weighbridge 24 and the weighing sensor 25 installed inside the fixed compartment 1 play a role in driving the vehicle to be loaded into the fixed compartment 1. The weighing sensor 25 senses the total weight change of the vehicle and the loaded materials in real time and transmits the weight signal to the data acquisition module 27. The extension plates 22 on both sides of the fixed compartment 1 and the two inclined guide plates 23 guide the vehicle to accurately drive into the loading position inside the fixed compartment 1. The multiple protruding anti-slip strips on the surface of the inclined guide plate 23 can increase the friction between the vehicle tires and the inclined guide plate 23, ensuring the stability of the vehicle during the driving process and parking safely and accurately.

[0036] After the preparation work is completed, the loading operation begins. The solenoid valve 5 located at the bottom of the discharge frame 4 is opened to a certain initial degree under the control of the controller 26. The solenoid valve 5 controls the on / off state and the initial state of the flow rate of the material from the discharge frame 4. The material flowing out of the discharge frame 4 is transmitted through the discharge hose 6. The discharge hose 6 has a certain degree of flexibility and can adapt to certain position changes. The granular material enters the discharge hopper 7. The discharge hopper 7 plays the role of guiding the material to fall accurately into the vehicle compartment, ensuring that the material can be smoothly loaded into the appropriate position in the compartment.

[0037] To ensure that the material is distributed more evenly in the carriage, the controller 26 controls the stepper motor 10 to start working. The stepper motor 10 is installed in the heat sink 9, and the surface of the heat sink 9 has multiple heat dissipation holes to dissipate the heat generated by the stepper motor 10 during operation, ensuring the normal operation of the stepper motor 10. The stepper motor 10 drives the screw 11 to rotate. Since the T-shaped slide frame 12 is threadedly connected to the screw 11 and slidably connected to the fixed frame 8, the T-shaped slide frame 12 will move linearly along the fixed frame 8 when the screw 11 rotates.

[0038] The mounting frame 13 fixed at the bottom of the T-shaped sliding frame 12 is fixedly connected to the inner wall of the mounting groove through the discharge hose 6, thereby driving the discharge hose 6 and the discharge hopper 7 to move horizontally, thereby adjusting the discharge position and allowing the material to fall evenly at different positions in the carriage, avoiding the accumulation of material in one place.

[0039] The data acquisition module 27 transmits the collected weight data to the controller 26. The controller 26 compares and analyzes the real-time weight with the preset target loading weight and displays it on the display screen 28. If the real-time weight has not yet reached the target weight and there is still a certain gap, the controller 26 will adjust the opening of the solenoid valve 5 according to the difference, appropriately increasing the material flow rate and speeding up the loading. Conversely, if it is close to the target weight, the controller 26 will reduce the opening of the solenoid valve 5 and slow down the material flow rate until the target weight is reached. At this point, the controller 26 controls the solenoid valve 5 to close completely, stopping the discharge and completing the current quantitative loading operation. The display screen 28 can display relevant data of the current loading in real time, such as the loaded weight, target weight, and loading progress, so that the operator can intuitively understand the loading situation. Throughout the process, the controller 26 continuously monitors the operating status of each component to ensure the stable and reliable operation of the equipment.

[0040] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A smart quantitative loading device for silo granular materials, comprising a fixed silo (1), characterized in that: The fixed chamber (1) is fixedly provided with a material conveying chamber (2), and a material inlet pipe (3) is provided through one side of the material conveying chamber (2). Multiple material outlet frames (4) are provided through the bottom of the material conveying chamber (2), and an adjustment mechanism is provided at the bottom of each of the multiple material outlet frames (4). The adjustment mechanism includes a solenoid valve (5) fixedly installed at the bottom of the discharge frame (4), a discharge hose (6) fixedly installed on one side of the solenoid valve (5), a discharge hopper (7) fixedly installed on one side of the discharge hose (6), a fixed frame (8) fixedly installed at the bottom of the conveying bin (2), a heat sink (9) fixedly installed on one side of the fixed frame (8), a stepper motor (10) installed inside the heat sink (9), a screw (11) fixedly installed at the output end of the stepper motor (10), a T-shaped slide frame (12) threadedly connected to the outside of the screw (11), and a mounting frame (13) fixedly installed at the bottom of the T-shaped slide frame (12).

2. The intelligent quantitative loading equipment for silo granular materials according to claim 1, characterized in that: The surface of the heat dissipation box (9) is provided with multiple heat dissipation holes. One end of the screw (11) passes through the heat dissipation box (9) and the fixed frame (8) and is rotatably connected to the inner wall of the fixed frame (8). The T-shaped sliding frame (12) is slidably connected to the fixed frame (8). The surface of the mounting frame (13) is provided with a mounting groove. The inner wall of the mounting groove is fixedly connected to the outer wall of one end of the discharge hose (6).

3. The intelligent quantitative loading equipment for silo granular materials according to claim 1, characterized in that: The material conveying hopper (2) is equipped with a stirring mechanism. The stirring mechanism includes a mounting box (14) fixedly installed on the top of the material conveying hopper (2). Multiple mounting brackets are fixedly installed inside the mounting box (14). Motors (15) are installed inside the multiple mounting brackets. A rotating shaft (16) is fixedly installed at the output end of the motor (15). One end of the rotating shaft (16) passes through the material conveying hopper (2) and is rotatably connected to the inner wall of the material conveying hopper (2).

4. The intelligent quantitative loading equipment for silo granular materials according to claim 3, characterized in that: The surface of the rotating shaft (16) is fixedly provided with a plurality of stirring strips (17), and the surface of each of the plurality of stirring strips (17) is provided with a plurality of stirring rods (18).

5. The intelligent quantitative loading equipment for silo granular materials according to claim 4, characterized in that: Two fixed cylinders (19) are fixedly installed on the surface of the rotating shaft (16). Multiple stirring blades (20) are fixedly installed on the surface of each of the two fixed cylinders (19). Heat dissipation vents are opened on the surface of the mounting box (14). Heat dissipation mesh (21) is fixedly installed inside the heat dissipation vents.

6. The intelligent quantitative loading equipment for silo granular materials according to claim 1, characterized in that: Both sides of the fixed chamber (1) are fixedly provided with extension plates (22), and two inclined guide plates (23) are fixedly provided on one side of the extension plate (22). Multiple protruding anti-slip strips are fixedly provided on the surface of the two inclined guide plates (23).

7. The intelligent quantitative loading equipment for silo granular materials according to claim 1, characterized in that: A weighbridge (24) is fixedly installed inside the fixed chamber (1). A weighing sensor (25) is installed on one side of the weighbridge (24). A controller (26) is fixedly installed on one side of the fixed chamber (1). A data acquisition module (27) is installed on one side of the controller (26). A display screen (28) is fixedly installed on one side of the data acquisition module (27).

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