Multifunctional flow metering device for energy-saving transformation

Abstract

The multifunctional flow metering device comprises a valve, a linear pipe section, a first pipeline connector and a second pipeline connector, a flexible connector is installed at the cut-off end of the first pipeline connector, the valve is installed at the cut-off end of the second pipeline connector, and the valve is connected with the linear pipe section. One end of the linear pipe section is inserted into the flexible joint, the other end of the linear pipe section is in butt joint with the valve, a position-adjustable movable flange is mounted at one end, close to the flexible joint, of the linear pipe section in a sleeving manner, the movable flange and a butt joint flange of the flexible joint are fixed, an opening is formed in the linear pipe section, and the valve is arranged in the opening. A multi-parameter sensor module is installed on the opening, and a sensor probe of the multi-parameter sensor module is inserted from the opening to detect water flow parameters in the linear pipe section. The device has the characteristics of convenience in flowmeter installation, capability of ensuring the measurement precision of the flowmeter, low improvement cost and the like.

Description

Technical Field

[0001] The invention relates to the technical field of central air-conditioning circulation pump transformation, and in particular to a multifunctional flow metering device for energy-saving transformation. Background Art

[0002] Driven by the "dual carbon" goal, energy-saving transformation in the industrial and construction fields depends on accurate energy metering and energy efficiency evaluation. Flow rate, as a core parameter of energy-carrying media such as water, steam, and refrigerant, directly affects the system energy consumption analysis. In the central air-conditioning system, a 5% deviation in chilled water flow rate can lead to a 10%-15% increase in pump group energy consumption. The flow monitoring accuracy of the industrial waste heat recovery network is less than ±3%, which may cause a loss of more than 20% in heat recovery efficiency. During the transformation process, the flow metering device needs to be installed on the pipeline, but there may be no straight pipes on conventional pipelines, and there is no space to install the flow metering device. At the same time, since the medium inside the pipeline does not flow in a straight line, the parameters measured by the flow metering device are not accurate enough, which will also affect the normal operation of the circulating pump. In order to solve the above problems, it is necessary to design a new flow metering device. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a multifunctional flow metering device for energy-saving transformation, which solves the problem that traditional flow meters have a single measurement dimension under complex working conditions, and solves the problem that the valve is short from the flow meter and the length of the front and rear straight pipe sections is insufficient, which affects the flow field sensitivity and causes inaccurate measurement, resulting in the system energy saving failing to meet the standard. At the same time, it also realizes the characteristics of emergency closing, opening and flow adjustment of the pipeline.

[0004] The technical solution adopted by the present invention to solve its technical problems is: to provide a multifunctional flow metering device for energy-saving transformation, including a valve, a straight pipe section, a first pipe joint and a second pipe joint, a flexible joint is installed on the truncated end of the first pipe joint, a valve is installed on the truncated end of the second pipe joint, one end of the straight pipe section is inserted into the flexible joint, and the other end is butt-jointed with the valve, a position-adjustable movable flange is sleeved and mounted on one end of the straight pipe section close to the flexible joint, the movable flange and the butt flange of the flexible joint are fixed, an opening is provided on the straight pipe section, a multi-parameter sensor module is installed on the opening, a sensor detection head of the multi-parameter sensor module is inserted from the opening to detect water flow parameters in the straight pipe section.

[0005] In the technical solution, a separate straight pipe segment is set up to provide a straight medium transportation channel, which is convenient for the installation of the multi-parameter sensor module. At the same time, the sensing end of the multi-parameter sensor module can enter the straight pipe segment, which is convenient for measuring the temperature, flow rate and other parameters of the medium. The straight pipe segment can ensure stable transportation of the medium, making the measured parameters more accurate, greatly improving the accuracy of the obtained parameters. By installing a flexible joint, the straight pipe segment can be easily stored, so that the exposed distance of the straight pipe segment can be adjusted, so that the device can adapt to different installation environments, greatly increasing the scope of application of the device.

[0006] As a supplement to the technical solution, a data processing module is installed in the multi-parameter sensor module, and an adaptive calibration module is installed on the multi-parameter sensor module.

[0007] The multi-parameter sensor module in this technical solution integrates an ultrasonic flow sensor, a temperature sensor and a pressure sensor, which can synchronously collect the fluid flow, temperature and pressure data in the pipeline in real time. At the same time, the data processing module itself is a small computer device. Through the built-in energy-saving optimization algorithm, the flow value is dynamically corrected in combination with the fluid physical parameters (density, viscosity). The adaptive calibration module adopts a double closed-loop feedback mechanism, trains the flow prediction model according to historical data, compares the measured value with the model value online, and automatically adjusts the sensor sensitivity and signal gain coefficient to ensure that the full-scale error is within the range required by the standard.

[0008] As a supplement to the present technical solution, a variable flange is installed on the straight pipe section and is connected to the water inlet of the valve. The variable flange and the water inlet of the valve are connected by a plurality of bolts. A first nut is installed on the bolt, and the first nut presses against the variable flange.

[0009] In the technical solution, a variable flange is provided to facilitate the docking of a straight pipe section and valves of different models, and bolts and a first nut are used to facilitate the docking and fixing of the variable flange and the valve.

[0010] As a supplement to the present technical solution, a plurality of fixing nuts are arranged on the side of the variable flange close to the movable flange, and a long screw rod is installed on the fixing nut. There are a plurality of long screw rods in total, and the long screw rods are parallel to the straight pipe section. In the technical solution, the fixing nuts are installed to serve as a base for installing the long screw rods.

[0011] As a supplement to the present technical solution, one end of the long screw passes through the movable flange and the docking flange of the flexible joint, and positioning nuts that dock with the long screw are installed on both sides of the movable flange and the docking flange. The two positioning nuts are installed to facilitate the docking of the movable flange and the docking flange.

[0012] A method for installing a multifunctional flow metering device for energy-saving transformation comprises the following specific steps:

[0013] S1: Measure the optimal values ​​of pipeline temperature, flow rate, and pressure according to the heat exchanger model and pipeline specifications, and transmit the optimal values ​​of the parameters to the data processing module;

[0014] S2: directly installing the multi-parameter sensor module, the adaptive calibration module and the data processing module on the straight pipe section, so that the multi-parameter sensor module, the adaptive calibration module, the data processing module and the straight pipe section form an independent component;

[0015] S3: transporting various components required for construction to the construction location where the pipeline needs to be modified;

[0016] S4: First, close the pipeline and the heat exchanger, then cut off a section of the pipeline from the original pipeline, so that the first pipeline joint and the second pipeline joint are formed on the pipeline. After completion, install the flexible joint on the first pipeline joint, install the valve on the second pipeline joint, and then sleeve the movable flange on one end of the straight pipe section, and insert one end of the movable flange into the flexible joint. According to the distance of the cut pipeline, determine the straight pipe section so that the other end of the straight pipe section can be matched and docked with the valve. After completion, dock the variable flange on the straight pipe section with the water inlet of the valve. Finally, install a long screw on the variable flange, and at the same time, abut the docking flange of the movable flange and the flexible joint, and pass the long screw through the movable flange and the docking flange to form a fixed seal;

[0017] S5: After assembly is completed, the entire heat exchanger system is connected for acceptance.

[0018] Beneficial effects: The present invention relates to a multifunctional flow metering device for energy-saving transformation. A separate straight pipe segment is set to provide a straight medium transportation channel, which facilitates the installation of a multi-parameter sensor module. At the same time, the sensing end of the multi-parameter sensor module can enter the straight pipe segment, which is convenient for measuring parameters such as temperature and flow rate of the medium. The straight pipe segment can ensure stable transportation of the medium, making the measured parameters more accurate and greatly improving the accuracy of the obtained parameters. By installing a flexible joint, the straight pipe segment can be easily stored, so that the exposed distance of the straight pipe segment can be adjusted, so that the device can adapt to different installation environments, greatly increasing the scope of application of the device, and has the characteristics of convenient flow meter installation, ensuring flow meter measurement accuracy, and low transformation cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural view of the present invention.

[0020] Illustration: 1. valve, 2. straight pipe section, 3. multi-parameter sensor module, 4. adaptive calibration module, 5. data processing module, 6. cylindrical sleeve docking seat, 7. long screw, 8. flexible joint, 9. bolt, 10. variable flange, 11. first nut, 12. fixing nut, 13. first pipe joint, 14. second pipe joint, 15. positioning nut. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall within the scope limited by the appended claims of the application equally.

[0022] The embodiment of the present invention relates to a multifunctional flow metering device for energy saving transformation, such as Figure 1 As shown, it includes a valve 1, a straight pipe section 2, a first pipe joint 13 and a second pipe joint 14, the truncated end of the first pipe joint 13 is installed with a flexible joint 8, the truncated end of the second pipe joint 14 is installed with a valve 1, one end of the straight pipe section 2 is inserted into the flexible joint 8, and the other end is connected to the valve 1, and an adjustable movable flange 6 is sleeved and installed on one end of the straight pipe section 2 close to the flexible joint 8, and the movable flange 6 is fixed to the connecting flange of the flexible joint 8, and an opening is provided on the straight pipe section 2, and a multi-parameter sensor module 3 is installed on the opening, and the sensor detection head of the multi-parameter sensor module 3 is inserted from the opening to detect the water flow parameters in the straight pipe section 2.

[0023] In the present technical solution, a separate straight pipe segment 2 is provided to provide a straight medium transport channel, which is convenient for the installation of the multi-parameter sensor module 3. At the same time, the sensing end of the multi-parameter sensor module 3 can enter the straight pipe segment 2, which is convenient for measuring parameters such as the temperature and flow rate of the medium. The straight pipe segment 2 can ensure stable transportation of the medium, making the measured parameters more accurate, greatly improving the accuracy of the obtained parameters. By installing a flexible joint 8, the straight pipe segment 2 can be easily stored, so that the exposed distance of the straight pipe segment 2 can be adjusted, so that the device can adapt to different installation environments, greatly increasing the scope of application of the device.

[0024] As a supplement to the present technical solution, a data processing module 5 is installed in the multi-parameter sensor module 3 , and an adaptive calibration module 4 is installed on the multi-parameter sensor module 3 .

[0025] In the present technical solution, the multi-parameter sensor module 3 integrates an ultrasonic flow sensor, a temperature sensor and a pressure sensor, and can synchronously collect the fluid flow, temperature and pressure data in the pipeline in real time. At the same time, the data processing module 5 itself is a small computer device. Through the built-in energy-saving optimization algorithm, the flow value is dynamically corrected in combination with the fluid physical parameters density and viscosity. The adaptive calibration module 4 adopts a double closed-loop feedback mechanism, trains the flow prediction model according to historical data, compares the measured value with the model value online, and automatically adjusts the sensor sensitivity and signal gain coefficient to ensure that the full-range error is within the range required by the standard.

[0026] As a supplement to the present technical solution, a variable flange 10 is installed on the straight pipe section 2 and is connected to the water inlet of the valve 1. The variable flange 10 and the water inlet of the valve 1 are connected by a plurality of bolts 9. A first nut 11 is installed on the bolt 9, and the first nut 11 presses against the variable flange 10.

[0027] In the present technical solution, a variable flange 10 is provided to facilitate docking of the straight pipe section 2 and valves 1 of different models, and bolts 9 and a first nut 11 are used to facilitate docking and fixing of the variable flange 10 and the valve 1.

[0028] As a supplement to the present technical solution, the variable flange 10 is provided with a plurality of fixing nuts 12 on the side close to the movable flange 6, and a long screw rod 7 is installed on the fixing nut 12. There are a plurality of long screw rods 7 in total, and the long screw rod 7 is parallel to the straight pipe section 2. In the technical solution, the fixing nuts 12 are installed to serve as a base for installing the long screw rod 7.

[0029] As a supplement to the present technical solution, one end of the long screw 7 passes through the docking flange of the movable flange 6 and the flexible joint 8, and positioning nuts 15 docking with the long screw 7 are installed on both sides of the movable flange 6 and the docking flange. The two positioning nuts 15 are installed to facilitate the docking of the movable flange 6 and the docking flange.

[0030] A method for installing a multifunctional flow metering device for energy-saving transformation comprises the following specific steps:

[0031] S1: Measure the optimal values ​​of the pipeline temperature, flow rate, and pressure according to the heat exchanger model and pipeline specifications, and transmit the optimal values ​​of the parameters to the data processing module 5;

[0032] S2: directly installing the multi-parameter sensor module 3, the adaptive calibration module 4 and the data processing module 5 on the straight pipe section 2, so that the multi-parameter sensor module 3, the adaptive calibration module 4, the data processing module 5 and the straight pipe section 2 form an independent component;

[0033] S3: transporting various components required for construction to the construction location where the pipeline needs to be modified;

[0034] S4: First, close the pipeline and the heat exchanger, and then cut a section of the pipeline from the original pipeline to form a first pipeline joint 13 and a second pipeline joint 14 on the pipeline. After completion, install the flexible joint 8 on the first pipeline joint 13, and install the valve 1 on the second pipeline joint 14. Then, sleeve the movable flange 6 on one end of the straight pipe section 2, and insert one end of the installed movable flange 6 into the flexible joint 8. According to the distance of the cut pipeline, determine the straight pipe section 2 so that the other end of the straight pipe section 2 can be matched and docked with the valve 1. After completion, dock the variable flange 10 on the straight pipe section 2 with the water inlet of the valve 1. Finally, install the long screw 7 on the variable flange 10, and at the same time, abut the docking flanges of the movable flange 6 and the flexible joint 8, and pass the long screw 7 through the movable flange 6 and the docking flange to form a fixed seal;

[0035] S5: After assembly is completed, the entire heat exchanger system is connected for acceptance.

[0036] Example

[0037] When installing the device, first block the pipeline, then cut off a pipeline to form a cut-off point, and then Figure 1 As shown, firstly, the flexible joint 8 and the first pipe joint 13 are connected, and then the valve 1 is installed on the second pipe joint 14. After completion, one end of the straight pipe segment 2 is connected to the valve 1 through the variable flange 10, and then a movable flange 6 is sleeved on the other end of the straight pipe segment 2. After completion, the other end of the straight pipe segment 2 is inserted into the flexible joint 8, so that the exposed length of the straight pipe segment 2 can be appropriately adjusted according to the cut-off distance, which greatly improves the versatility of the device. After completion, the long screw 7 and the fixing nut 12 are connected, and then the connecting flange of the flexible joint 8 is aligned with the movable flange 6, and the long screw 7 is passed through the connecting flange and the movable flange 6. Finally, the fixing of the connecting flange and the movable flange 6 is achieved by the positioning nut 15.

[0038] The multi-parameter sensor module 3, the adaptive calibration module 4 and the data processing module 5 on the straight pipe segment 2 are pre-installed, and the internal parameters thereof are parameters pre-derived from experiments. Since the multi-parameter sensor module 3, the adaptive calibration module 4 and the data processing module 5 are always docked with the straight pipe segment 2, the working environment of the multi-parameter sensor module 3, the adaptive calibration module 4 and the data processing module 5 is determined according to the length and diameter of the straight pipe segment 2. Therefore, there is no need to adjust the parameters at the installation site, and they can be adjusted in advance, which greatly simplifies the assembly steps of the device, facilitates users to quickly install the device, and reduces installation costs and debugging difficulty.

Claims

1. A multifunctional flow metering device for energy-saving transformation, characterized in that: The invention comprises a valve (1), a straight pipe section (2), a first pipe joint (13) and a second pipe joint (14); a flexible joint (8) is installed on the truncated end of the first pipe joint (13); a valve (1) is installed on the truncated end of the second pipe joint (14); one end of the straight pipe section (2) is inserted into the flexible joint (8) and the other end is butt-jointed with the valve (1); a position-adjustable movable flange (6) is sleeved and mounted on one end of the straight pipe section (2) close to the flexible joint (8); the movable flange (6) and the butt-jointed flange of the flexible joint (8) are fixed; an opening is provided on the straight pipe section (2); a multi-parameter sensor module (3) is installed on the opening; a sensor detection head of the multi-parameter sensor module (3) is inserted from the opening to detect water flow parameters in the straight pipe section (2).

2. A multifunctional flow metering device for energy-saving transformation according to claim 1, characterized in that: A data processing module (5) is installed in the multi-parameter sensor module (3), and an adaptive calibration module (4) is installed on the multi-parameter sensor module (3).

3. A multifunctional flow metering device for energy-saving transformation according to claim 1, characterized in that: The straight pipe section (2) is provided with a variable flange (10) connected to the water inlet of the valve (1); the variable flange (10) and the water inlet of the valve (1) are connected to each other via a plurality of bolts (9); a first nut (11) is installed on the bolt (9); the first nut (11) abuts against the variable flange (10).

4. A multifunctional flow metering device for energy-saving transformation according to claim 3, characterized in that: The variable flange (10) is provided with a plurality of fixing nuts (12) on the side close to the movable flange (6), and a long screw rod (7) is installed on the fixing nut (12). There are a plurality of long screw rods (7) in total, and the long screw rods (7) are parallel to the straight pipe section (2).

5. A multifunctional flow metering device for energy-saving transformation according to claim 4, characterized in that: One end of the long screw rod (7) passes through the movable flange (6) and the butt flange of the flexible joint (8), and positioning nuts (15) that butt with the long screw rod (7) are installed on both sides of the movable flange (6) and the butt flange.

6. A method for installing a multifunctional flow metering device for energy-saving transformation according to claim 5, characterized in that: The specific steps include: S1: Measure the optimal values ​​of the pipeline temperature, flow rate and pressure according to the heat exchanger model and pipeline specifications, and transmit the optimal values ​​of the parameters to the data processing module (5); S2: directly installing the multi-parameter sensor module (3), the adaptive calibration module (4), and the data processing module (5) on the straight pipe section (2), so that the multi-parameter sensor module (3), the adaptive calibration module (4), the data processing module (5), and the straight pipe section (2) form an independent component; S3: transporting various components required for construction to the construction location where the pipeline needs to be modified; S4: First, close the pipeline and the heat exchanger, then cut a section of the pipeline from the original pipeline, so that a first pipeline joint (13) and a second pipeline joint (14) are formed on the pipeline. After completion, the flexible joint (8) is installed on the first pipeline joint (13), and the valve (1) is installed on the second pipeline joint (14). Then, the movable flange (6) is sleeved on one end of the straight pipe section (2), and one end of the movable flange (6) is inserted into the flexible joint (8). According to the distance of the cut pipeline, the straight pipe section (2) is determined so that the other end of the straight pipe section (2) can be matched and docked with the valve (1). After completion, the variable flange (10) on the straight pipe section (2) is docked with the water inlet of the valve (1). Finally, the long screw (7) is installed on the variable flange (10), and the docking flanges of the movable flange (6) and the flexible joint (8) are abutted against each other, and the long screw (7) passes through the movable flange (6) and the docking flange, so as to form a fixed seal; S5: After assembly is completed, the entire heat exchanger system is connected for acceptance.

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