Mining intrinsic safety type flow measurement and control device

Abstract

The invention relates to a mining intrinsic safety type flow measurement and control device which comprises a gear flow meter, a ball valve, a ball valve opening controller, a meter head and a flow sensor. The gauge outfit comprises a gauge outfit shell, a display screen on the gauge outfit shell and a control chip in the gauge outfit shell, and the display screen is connected with the control chip; two ends of the flow sensor are respectively connected with the gauge outfit and the gear flowmeter; the ball valve opening controller is connected with the ball valve and used for controlling the opening of the ball valve, the ball valve opening controller is connected with the control chip in the meter head through a signal line, and the inlet end of the ball valve is connected with the outlet end of the flow controller. The flow of the gear flow meter is detected in real time through the flow sensor, data are transmitted to the meter head to be displayed, the precision and reliability of flow measurement are improved, the ball valve opening controller is connected with the control chip in the meter head, automatic control and adjustment of the opening of the ball valve are achieved, manual intervention is reduced, and the working efficiency is improved. And the operation convenience and the flow control accuracy are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of flow measurement and control, in particular to a mine intrinsic safety type flow measurement and control device. BACKGROUND

[0002] In the field of mine flow measurement and control, accurate measurement and control of medium flow is crucial to ensure mine safety and improve production efficiency. Traditional flow measurement equipment usually includes mechanical flow meters, electromagnetic flow meters, ultrasonic flow meters, etc. These devices can only measure the flow of medium, but cannot control the flow according to the measured data.

[0003] In addition, existing flow control equipment often lacks effective automatic adjustment mechanism, and manual intervention is needed to adjust the valve opening, which not only increases the complexity of operation, but also makes it difficult to achieve accurate flow control. SUMMARY

[0004] In view of the deficiencies in the background art, the present application provides a mine intrinsic safety type flow measurement and control device.

[0005] The technical scheme adopted by the present application is: a mine intrinsic safety type flow measurement and control device, comprising a gear flow meter, a ball valve, a ball valve opening controller, a meter head and a flow sensor;

[0006] The meter head comprises a meter head shell, a display screen on the meter head shell and a control chip in the meter head shell, and the display screen is connected with the control chip;

[0007] The flow sensor is connected with the meter head and the gear flow meter at both ends, and the flow sensor is used for detecting the flow of the gear flow meter and transmitting the detected flow to the meter head for display, storage and processing;

[0008] The ball valve opening controller is connected with the ball valve for controlling the opening of the ball valve, and the ball valve opening controller is connected with the control chip in the meter head through a signal line, so that the control chip can accept the opening signal of the ball valve opening controller and control the opening of the ball valve opening controller.

[0009] The inlet end of the ball valve is connected with the outlet end of the flow controller.

[0010] Further, the gear flow meter comprises a shell, two gears with elliptical structure meshing with each other, an upper gear gasket and two lower gear gaskets, the shell is provided with a gear cavity, the two lower gear gaskets are arranged at the bottom of the gear cavity, a gear column is arranged between the lower gear gasket and the upper gear gasket, and the gear is rotatably connected to the gear column.

[0011] Further, the shell comprises a base provided with the gear cavity and a flange cover covering the base, the flange cover is provided with a connecting hole for mounting the flow sensor, and an inductive hole is arranged on the upper gear washer below the screw hole.

[0012] Further, the inlet end and the outlet end of the flow controller are provided with internal threads, and an inlet connector is threadedly connected to the inlet end of the flow controller.

[0013] Further, a first clamp connector is threadedly connected to the outlet end of the flow controller, a second clamp connector is connected to the inlet end of the ball valve, and the first clamp connector and the second clamp connector are connected through a clamp after being butt-jointed.

[0014] Further, a sealing groove is arranged on the butt-jointed end face of the first clamp connector and the second clamp connector, and a sealing ring is arranged in the sealing groove.

[0015] Further, the ball valve opening controller comprises a controller shell, a driving motor, a control panel, and a reducer connected to the output end of the driving motor, the output end of the reducer is connected to the operating rod of the ball valve, and the control panel is connected to the control chip in the meter head through a signal line.

[0016] Further, the flow sensor is a magnetic induction sensor or a photoelectric sensor.

[0017] Further, the controller shell comprises a bottom plate and an enclosure connected to the bottom plate through bolts, the bottom plate is protruded to form a mounting boss at the bottom, and the mounting boss is provided with a first mounting hole.

[0018] Further, a connecting rod is welded to the ball valve, an installation ring is integrally formed on the connecting rod, a second mounting hole corresponding to the first mounting hole is arranged on the installation ring, and the first mounting hole and the second mounting hole are connected through bolts.

[0019] The beneficial effects of the present application are:

[0020] 1. High-precision flow measurement: the flow of the gear flowmeter is detected in real time by the flow sensor, and the data is transmitted to the meter head for display, thereby improving the precision and reliability of flow measurement.

[0021] 2. Automatic control: the ball valve opening controller is connected to the control chip in the meter head, realizing automatic control and adjustment of the ball valve opening, reducing manual intervention, and improving the convenience of operation and the accuracy of flow control.

[0022] 3. Real-time monitoring and adjustment: the control chip can receive signals from the flow sensor in real time and adjust the ball valve opening as needed, realizing real-time monitoring and dynamic adjustment of flow, and ensuring the stability of flow control.

[0023] 4. Reduced maintenance costs: Automated control reduces manual operation, and integrated design reduces equipment failure rate, thereby reducing long-term maintenance costs.

[0024] 5. User-friendly interface: The meter's display provides an intuitive user interface, enabling operators to easily read traffic information and perform necessary operations.

[0025] In addition to the objectives, features and advantages described above, the present invention has other objectives, features and advantages.

[0026] The present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of the present invention.

[0028] Figure 2 This is a schematic diagram of the gear flow meter.

[0029] Figure 3 This is an exploded view of a gear flow meter.

[0030] Figure 4 This is an exploded view of the ball valve opening controller and the ball valve itself.

[0031] Figure 5 This is a bottom schematic diagram of a ball valve opening controller.

[0032] Figures 1-5 Components: 1. Gear flow meter; 2. Ball valve; 3. Ball valve opening controller; 4. Meter head; 5. Flow sensor; 6. Display screen; 7. Signal line; 8. Housing; 9. Gear; 10. Upper gear gasket; 11. Lower gear gasket; 12. Gear cavity; 13. Gear column; 14. Base; 15. Flange cover; 16. Connection hole; 17. Sensing hole; 18. Inlet connector; 19. First clamp connector; 20. Second clamp connector; 21. Clamp; 22. Sealing groove; 23. Controller housing; 24. Drive motor; 25. Control panel; 26. Reducer; 27. Base plate; 28. Cover; 29. ​​Mounting boss; 30. First mounting hole; 31. Connecting rod; 32. Mounting ring; 33. Second mounting hole. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0034] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0035] This invention provides an intrinsically safe flow measurement and control device for mining applications.

[0036] In this embodiment, refer to Figures 1-5 The intrinsically safe flow measurement and control device for mining includes a gear flow meter 1, a ball valve 2, a ball valve opening controller 3, a meter head 4, and a flow sensor 5.

[0037] The meter head includes a meter head housing, a display screen 6 on the meter head housing, and a control chip inside the meter head housing, wherein the display screen is connected to the control chip;

[0038] The flow sensor is connected to the meter head and the gear flow meter at its two ends, respectively. The flow sensor is used to detect the flow rate of the gear flow meter and transmit the detected flow rate to the meter head for display, storage and processing.

[0039] The ball valve opening controller is connected to the ball valve to control the opening degree of the ball valve. The ball valve opening controller is connected to the control chip in the meter through signal line 7. The control chip can receive the opening signal from the ball valve opening controller and can control the ball valve opening controller to adjust the opening degree of the ball valve.

[0040] The inlet end of the ball valve is connected to the outlet end of the flow controller.

[0041] The intrinsically safe flow measurement and control device for mining applications of this invention mainly includes a gear flow meter, a ball valve, a ball valve opening controller, a meter, and a flow sensor. The gear flow meter measures the flow rate of the fluid, the ball valve controls the fluid flow, the ball valve opening controller adjusts the opening degree of the ball valve, the meter displays the measurement data and controls the entire system, and the flow sensor detects the flow rate of the gear flow meter and transmits the data to the meter. The inlet end of the ball valve is connected to the outlet end of the flow controller, forming a complete fluid control loop.

[0042] By integrating a gear flow meter, ball valve, ball valve opening controller, meter head, and flow sensor into a single system, accurate measurement and automatic control of fluid flow are achieved, improving the automation level of the mining industry and enhancing production efficiency and safety.

[0043] The display screen is a touch screen, which can display data and perform operations and controls on various data.

[0044] Specifically, the gear flow meter includes a housing 8, two meshing elliptical gears 9, an upper gear washer 10, and two lower gear washers 11. The housing has a gear cavity 12, the two lower gear washers are located at the bottom of the gear cavity, and a gear post 13 is provided between the lower gear washers and the upper gear washers. The gears are rotatably connected to the gear post.

[0045] In the above technical solution, the gear flow meter consists of a housing, two meshing oval gears, an upper gear washer, and two lower gear washers. The gear cavity is located inside the housing, and the gears are rotatably connected via gear cylinders, ensuring stable gear rotation and accurate fluid measurement. The design of the oval gears and the precise assembly structure ensure high accuracy and stability of flow measurement, enabling the measurement of smaller medium flow rates and small volumes of liquid media. It maintains good performance even in harsh mining environments.

[0046] Specifically, the housing includes a base 14 with the aforementioned gear cavity and a flange cover 15 covering the base. The flange cover has a connection hole 16 for mounting a flow sensor, and the upper gear washer below the screw hole has a sensing hole 17.

[0047] In the above technical solution, the outer casing consists of a base and a flange cover. The flange cover is connected to the flow sensor via threads. A sensing hole is provided on the upper gear washer below the threaded hole, facilitating the flow sensor's detection of gear rotation. The threaded connection design of the flange cover simplifies sensor installation and maintenance, while the sensing hole ensures accurate sensor detection, improving the reliability and maintainability of the entire system.

[0048] Specifically, the flow controller has internal threads at both its inlet and outlet ends, and an inlet connector 18 is threaded onto the inlet end of the flow controller.

[0049] In the above technical solution, both the inlet and outlet ends of the flow controller are equipped with internal threads, and the inlet end is connected to the inlet connector via a threaded connection. The threaded connection design facilitates quick assembly and disassembly of the connector, improving the convenience and safety of on-site operation.

[0050] Specifically, the outlet end of the flow controller is threaded with a first clamp connector 19, and the inlet end of the ball valve is connected with a second clamp connector 20. The first clamp connector and the second clamp connector are connected by clamp 21 after being mated.

[0051] In the above technical solution, the first clamp connector and the second clamp connector are mated and connected by clamps, ensuring a secure connection between the ball valve and the flow controller. The clamp connection provides additional sealing and mechanical stability, preventing fluid leakage and enhancing the overall safety of the system.

[0052] Specifically, the mating surfaces of the first clamp joint and the second clamp joint are provided with a sealing groove 22, and a sealing ring is provided in the sealing groove.

[0053] In the above technical solution, sealing grooves are provided on the mating end faces of the first clamp joint and the second clamp joint, with built-in sealing rings to ensure the sealing performance of the connection. The use of sealing rings further enhances the sealing performance of the connection, prevents fluid leakage, and ensures the reliability of the system under high pressure or corrosive environments.

[0054] Specifically, the ball valve opening controller includes a controller housing 23, a drive motor 24, a control panel 25, and a reducer 26 connected to the output end of the drive motor. The output end of the reducer is connected to the operating rod of the ball valve, and the control panel is connected to the control chip inside the meter via a signal line.

[0055] In the above technical solution, the ball valve is precisely controlled by a drive motor and a reducer, and the communication between the control panel and the meter head ensures intelligent and automated control, improving control accuracy and response speed.

[0056] Specifically, the flow sensor is a magnetic induction sensor or a photoelectric sensor.

[0057] In the above technical solutions, the flow sensor can be either a magnetic induction sensor or a photoelectric sensor, and the most suitable type can be selected according to the specific application environment.

[0058] Specifically, the controller housing includes a base plate 27 and a cover 28 bolted to the base plate. A mounting boss 29 protrudes from the bottom of the base plate, and a first mounting hole 30 is provided on the mounting boss. A connecting rod 31 is welded to the ball valve, and a mounting ring 32 is integrally formed on the connecting rod. The mounting ring has a second mounting hole 33 corresponding to the first mounting hole, and the first and second mounting holes are connected by bolts.

[0059] In the above technical solution, the installation boss, the installation ring, the first installation hole, and the second installation hole ensure a stable connection between the controller and the ball valve, and facilitate the disassembly and assembly of the ball valve and the ball valve opening controller.

[0060] Please note to all technical personnel: Although the present invention has been described according to the specific embodiments above, the ideas of the present invention are not limited to this invention. Any modifications that utilize the ideas of the present invention will be included within the scope of protection of this patent.

Claims

1. A mine-use intrinsically safe flow measurement and control device, characterized in that: The gear flowmeter, the ball valve, the ball valve opening controller, the meter and the flow sensor are included. The meter includes a meter shell, a display screen on the meter shell and a control chip in the meter shell, and the display screen is connected with the control chip. The flow sensor is connected with the gear flowmeter and the meter respectively, and is used for detecting the flow of the gear flowmeter and transmitting the detected flow to the meter for display, storage and processing. The ball valve opening controller is connected with the ball valve for controlling the opening of the ball valve, and is connected with the control chip in the meter through a signal line. The inlet end of the ball valve is connected with the outlet end of the flow controller.

2. The mine-used intrinsically safe flow measurement and control device according to claim 1, characterized in that: The gear flowmeter includes a shell, two gears with elliptical structure, an upper gear gasket and two lower gear gaskets, a gear cavity is arranged in the shell, the two lower gear gaskets are arranged at the bottom of the gear cavity, a gear column is arranged between the lower gear gasket and the upper gear gasket, and the gears are rotatably connected to the gear column.

3. The mine-used intrinsically safe flow measurement and control device according to claim 2, characterized in that: The shell includes a base provided with the gear cavity and a flange cover covering the base, a connecting hole for mounting the flow sensor is arranged on the flange cover, and a sensing hole is arranged on the upper gear gasket below the screw hole.

4. The mine-used intrinsically safe flow measurement and control device according to claim 1 or 2 or 3, characterized in that: The inlet end and the outlet end of the flow controller are both provided with internal threads, and an inlet connector is threadedly connected to the inlet end of the flow controller.

5. The mine-used intrinsically safe flow measurement and control device according to claim 4, characterized in that: A first clamp connector is threadedly connected to the outlet end of the flow controller, a second clamp connector is connected to the inlet end of the ball valve, and the first clamp connector and the second clamp connector are connected through a clamp after abutting.

6. The mine-used intrinsically safe flow measurement and control device according to claim 5, characterized in that: Sealing grooves are arranged on the abutting end faces of the first clamp connector and the second clamp connector, and sealing rings are arranged in the sealing grooves.

7. The mine-used intrinsically safe flow measurement and control device according to claim 1, characterized in that: The ball valve opening controller includes a controller shell, a driving motor, a control panel and a reducer connected with the output end of the driving motor, the output end of the reducer is connected with an operating rod of the ball valve, and the control panel is connected with the control chip in the meter through a signal line.

8. The mine-used intrinsically safe flow measurement and control device according to claim 1, characterized in that: The flow sensor is a magnetic induction sensor or a photoelectric sensor.

9. The mine-used intrinsically safe flow measurement and control device according to claim 7, characterized in that: The controller shell includes a bottom plate and an enclosure connected to the bottom plate through bolts, a mounting boss is formed on the bottom of the bottom plate, and a first mounting hole is arranged on the mounting boss.

10. The mine-used intrinsically safe flow measurement and control device according to claim 9, characterized in that: A connecting rod is welded on the ball valve, an installation ring is integrally formed on the connecting rod, a second mounting hole corresponding to the first mounting hole is arranged on the installation ring, and the first mounting hole and the second mounting hole are connected through bolts.

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