CN212774887U - Online detection and evaluation system for fan energy efficiency - Google Patents
Online detection and evaluation system for fan energy efficiency Download PDFInfo
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- CN212774887U CN212774887U CN202021782973.2U CN202021782973U CN212774887U CN 212774887 U CN212774887 U CN 212774887U CN 202021782973 U CN202021782973 U CN 202021782973U CN 212774887 U CN212774887 U CN 212774887U
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Abstract
The utility model discloses a fan energy efficiency on-line detection and evaluation system, which comprises a test pipeline, a fan to be tested, a temperature test device, a wind speed test device, a pressure measurement device, an information transmission device, a flow measurement device, a display processing device and a plurality of brackets, the two ends of the fan to be tested are respectively provided with a test pipeline, the bracket is fixedly connected with the test pipelines, the bracket is used for supporting the test pipeline, the temperature test device, the wind speed test device, the pressure measurement device and the flow measurement device are all fixedly arranged on the test pipeline, the temperature testing device, the wind speed testing device, the pressure measuring device and the flow measuring device are all arranged on the wind speed testing device and are electrically connected with an information transmission device, and the information transmission device is electrically connected with the display processing device; the method has the advantages of accurate measurement, high measurement efficiency and the like.
Description
Technical Field
The utility model discloses fan monitoring technology field especially relates to a fan efficiency on-line measuring evaluation system.
Background
The most important terminal power consumption equipment in China when motors such as fans drag equipment is provided with relatively accurate measuring sensors including temperature sensors, pressure sensors, flow meters, flow rate measuring instruments and the like even in the field of data acquisition and processing. Moreover, a variety of data acquisition systems have been developed, such as: a multi-channel high-speed data acquisition system based on FPGA, a bus type data acquisition system and the like. The method has the advantages that convenience and possibility are brought to the development of the fan energy efficiency online monitoring platform through one achievement in the field of data acquisition, but in the prior art, the problems that various physical parameters of a fan cannot be accurately measured in real time, and the energy efficiency is imperfect in the aspects of standardization and energy-saving evaluation still exist.
Therefore the utility model provides a fan efficiency on-line measuring evaluation system can be in real time through each item rerum natura parameter of the exact measurement fan.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that can not real-time accurate measurement to fan each item rerum natura parameter, the efficiency is imperfect to the aspect of mark and energy-conserving aassessment, provides a fan efficiency on-line measuring evaluation system, fan efficiency on-line measuring evaluation system includes:
the wind speed testing device is used for supporting the testing pipeline, the temperature testing device is fixedly installed on the testing pipeline, the pressure measuring device is fixedly installed on the testing pipeline, the temperature testing device is electrically connected with the information transmission device, and the information transmission device is electrically connected with the display processing device.
Furthermore, the test pipeline comprises an air inlet pipeline and an air outlet pipeline, the air inlet pipeline is communicated with an air inlet of the fan to be tested, the air outlet pipeline is communicated with an air outlet of the fan to be tested, and the air inlet pipeline and the air outlet pipeline are both rectangular-section pipelines.
Further, a fan air inlet pipe is further arranged at the air inlet of the fan to be tested, and the fan air inlet pipe is communicated with the air inlet pipeline.
Further, temperature testing arrangement includes first temperature testing arrangement and second temperature testing arrangement, first temperature testing arrangement installs and is close to the upper surface of intake stack, second temperature testing arrangement installs the upper surface of air-out pipeline, first temperature testing arrangement and second temperature testing arrangement are temperature sensor.
Further, pressure measurement device includes first pressure measurement device, second pressure measurement device, third pressure measurement device and fourth pressure measurement device, first temperature test device, first pressure measurement device and second pressure measurement device follow in proper order the intake stack to the fan direction that awaits measuring arranges, first pressure measurement device with the equal fixed mounting of second pressure measurement device is in on the upper surface of intake stack, third pressure measurement device second temperature test device with fourth pressure measurement device follows in proper order the air-out pipeline is to keeping away from the fan direction that awaits measuring arranges, third pressure measurement device with the equal fixed mounting of fourth pressure measurement device is in on the upper surface of air-out pipeline.
Furthermore, the side of the air inlet pipeline is also provided with a first static pressure measuring point, the second pressure measuring device is used for measuring the pressure of the air inlet pipeline through the first static pressure measuring point, the side of the air outlet pipeline is also provided with a second static pressure measuring point, and the fourth pressure measuring device is used for measuring the pressure of the air outlet pipeline through the second static pressure measuring point.
Further, pressure measurement device still includes first pitot tube and second pitot tube, first pitot tube is installed between first temperature testing arrangement and the first pressure measurement device, first pitot tube fixed mounting be in the upper surface of air-supply line, the second pitot tube is installed between second temperature testing arrangement and the third pressure measurement device, second pitot tube fixed mounting be in the upper surface of air-out pipeline, first pitot tube with first pressure measurement device electricity is connected, the second pitot tube with the third pressure measurement device electricity is connected, first pressure measurement device is used for measuring through first pitot tube the dynamic pressure difference in the air-supply line, the third pressure measurement device is used for measuring through the second pitot tube the dynamic pressure difference in the air-out pipeline.
Further, flow measuring device installs second temperature testing arrangement with between the fourth pressure measuring device, flow measuring device fixed mounting be in the upper surface of air-out pipeline, flow measuring device is the flowmeter, wind speed testing arrangement fixed mounting be in the upper surface of the air outlet of air-out pipeline, wind speed testing arrangement is the anemograph.
Further, the information transmission device comprises a first wireless transmission module, a second wireless transmission module, a third wireless transmission module, a fourth wireless transmission module, a fifth wireless transmission module, a sixth wireless transmission module, a seventh wireless transmission module and a router;
the first wireless transmission module is arranged on the first temperature testing device and is electrically connected with the first temperature testing device;
the second wireless transmission module is arranged on the first pressure measuring device and is electrically connected with the first pressure measuring device;
the third wireless transmission module is arranged on the second pressure measuring device and is electrically connected with the second pressure measuring device;
the fourth wireless transmission module is arranged on the third pressure measuring device and is electrically connected with the third pressure measuring device;
the fifth wireless transmission module is arranged on the second temperature testing device and is electrically connected with the second temperature testing device;
the sixth wireless transmission module is installed on the flow measuring device and is electrically connected with the flow measuring device;
the seventh wireless transmission module is arranged on the fourth pressure measuring device and is electrically connected with the fourth pressure measuring device;
the router is configured to provide a local area network for the first wireless transmission module, the second wireless transmission module, the third wireless transmission module, the fourth wireless transmission module, the fifth wireless transmission module, the sixth wireless transmission module, and the seventh wireless transmission module.
Further, the display processing device comprises a host and a display screen, wherein the host is used for receiving and processing the information sent by the information transmission device, and the display screen is used for displaying the information processing process and the processing completion data of the host.
Implement the utility model discloses, following beneficial effect has:
1. the utility model discloses all install wireless transmission module on every measuring device and testing arrangement, can be in real time with data transmission to the host computer that tests, then form audio-visual data and show on display screen, improved on-line monitoring platform's ageing and accuracy.
2. The utility model discloses install temperature sensor, pitot tube and pressure measurement device at the intake stack, can accurately measure the temperature of air intake, move wind pressure and quiet wind pressure, at air-out piping erection temperature sensor, pitot tube, pressure sensor, flow sensor and anemoscope, can accurately measure the temperature of air outlet, move wind pressure, quiet wind pressure, flow and wind speed, the measured data kind is complete, measuring result is accurate, be favorable to follow-up above-mentioned data of utilizing to carry out the accuracy that relevant efficiency calculated.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a structural view of the present invention.
The reference numbers in the figures shall correspond to: 101-air inlet pipeline, 102-air outlet pipeline, 2-fan to be tested, 201-fan air inlet pipe, 301-first temperature testing device, 302-second temperature testing device, 401-first pressure measuring device, 402-second pressure measuring device, 403-third pressure measuring device, 404-fourth pressure measuring device, 405-first pitot tube, 406-second pitot tube, 501-first wireless transmission module, 502-second wireless transmission module, 503-third wireless transmission module, 504-fourth wireless transmission module, 505-fifth wireless transmission module, 506-sixth wireless transmission module, 507-seventh wireless transmission module, 508-router, 6-flow measuring device, 7-wind speed testing device, 8-bracket, 9-display screen and 10-host.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Examples
In this embodiment, refer to specification attached drawing 1, the utility model discloses the technical problem that will solve lies in prior art, and there is not real-time accurate measurement to fan each item rerum natura parameter, and the efficiency is to mark and energy-conserving assessment aspect imperfect scheduling problem, provides a fan efficiency on-line measuring evaluation system, fan efficiency on-line measuring evaluation system includes:
test pipeline, the fan that awaits measuring, temperature testing arrangement, wind speed testing arrangement, pressure measurement device, information transmission device, flow measuring device, demonstration processing apparatus and a plurality of support 8, the both ends of the fan that awaits measuring all are provided with test pipeline, the support with test pipeline fixed connection, support 8 is used for supporting the test pipeline, temperature testing arrangement wind speed testing arrangement 7 pressure measurement device flow measuring device 6 equal fixed mounting be in on the test pipeline, temperature testing arrangement wind speed testing arrangement 7 pressure measurement device flow measuring device all sets up on the flow measuring device 6 and all is connected with the information transmission device electricity, information transmission device with show processing apparatus electricity and connect.
In a specific embodiment, the testing pipeline includes an air inlet pipeline 101 and an air outlet pipeline 102, the air inlet pipeline 101 is communicated with an air inlet of the fan 2 to be tested, the air outlet pipeline 102 is communicated with an air outlet of the fan 2 to be tested, and both the air inlet pipeline 101 and the air outlet pipeline 102 are rectangular cross-section pipelines.
In a specific embodiment, a fan air inlet pipe 201 is further disposed at an air inlet of the fan 2 to be tested, and the fan air inlet pipe 201 is communicated with the air inlet pipeline 101.
In a specific embodiment, the temperature testing device includes a first temperature testing device 301 and a second temperature testing device 302, the first temperature testing device 301 is installed on an upper surface close to the air inlet of the air inlet duct 101, and the second temperature testing device 302 is installed on an upper surface of the air outlet duct 102.
In a specific embodiment, the pressure measuring means comprises a first pressure measuring means 401, a second pressure measuring means 402, a third pressure measuring means 403 and a fourth pressure measuring means 404, the first temperature testing device 301, the first pressure measuring device 401 and the second pressure measuring device 402 are sequentially arranged along the air inlet pipeline 101 towards the direction of the fan 2 to be tested, the first pressure measuring device 401 and the second pressure measuring device 402 are both fixedly installed on the upper surface of the air inlet duct 101, the third pressure measuring device 403, the second temperature testing device 302 and the fourth pressure measuring device 404 are sequentially arranged along the air outlet pipeline 102 in a direction away from the fan 2 to be tested, the third pressure measuring device 403 and the fourth pressure measuring device 404 are both fixedly mounted on the upper surface of the air outlet duct 102.
In a specific embodiment, the side surface of the air inlet duct 101 is further provided with a first static pressure measuring point, the first static pressure measuring point is actually four holes connected by a four-way joint around the rectangular interface duct, the second pressure measuring device 402 is configured to measure the pressure of the air inlet duct 101 through the first static pressure measuring point, the side surface of the air outlet duct 102 is further provided with a second static pressure measuring point, the second static pressure measuring point is actually four holes connected by a four-way joint around the rectangular interface duct, and the fourth pressure measuring device 404 is configured to measure the pressure of the air outlet duct 102 through the second static pressure measuring point.
In a particular embodiment, the pressure measurement device further comprises a first pitot tube 405 and a second pitot tube 406, the first pitot tube 405 is mounted between the first temperature testing device 301 and the first pressure measuring device 401, the first pitot tube 405 is fixedly installed on the upper surface of the air inlet duct 101, the second pitot tube 406 is installed between the second temperature testing device 302 and the third pressure measuring device 403, the second pitot tube 406 is fixedly installed on the upper surface of the air outlet pipe 102, the first pitot tube 405 is electrically connected with the first pressure measuring device 401, the second pitot tube 406 is electrically connected to the third pressure measuring device 403, the first pressure measuring device 401 is used for measuring the dynamic pressure difference in the air inlet pipeline 101 through the first pitot tube 405, the third pressure measuring device 403 is used for measuring the dynamic pressure difference in the air outlet pipe 102 through the second pitot tube 406.
In a specific embodiment, the flow measuring device 6 is installed between the second temperature testing device 302 and the fourth pressure measuring device 404, the flow measuring device 6 is fixedly installed on the upper surface of the air outlet duct 102, the flow measuring device 6 is a flow meter, the wind speed testing device 7 is fixedly installed on the upper surface of the air outlet duct 102, and the wind speed testing device 7 is an anemometer.
In a specific embodiment, the information transmission apparatus includes a first wireless transmission module 501, a second wireless transmission module 502, a third wireless transmission module 503, a fourth wireless transmission module 504, a fifth wireless transmission module 505, a sixth wireless transmission module 506, a seventh wireless transmission module 507, and a router 508;
the first wireless transmission module 501 is mounted on the first temperature testing device 301 and is electrically connected with the first temperature testing device 301;
the second wireless transmission module 502 is mounted on the first pressure measurement device 401 and is electrically connected with the first pressure measurement device 401;
the third wireless transmission module 503 is installed on the second pressure measurement device 402 and is electrically connected with the second pressure measurement device 402;
the fourth wireless transmission module 504 is installed on the third pressure measurement device 403 and is electrically connected with the third pressure measurement device 403;
the fifth wireless transmission module 505 is installed on the second temperature testing device 302 and is electrically connected with the second temperature testing device 302;
the sixth wireless transmission module 506 is mounted on the flow measuring device 6 and is electrically connected with the flow measuring device 6;
the seventh wireless transmission module 507 is installed on the fourth pressure measuring device 404 and is electrically connected with the fourth pressure measuring device 404;
the router 508 is configured to provide a local area network for the first wireless transmission module 501, the second wireless transmission module 502, the third wireless transmission module 503, the fourth wireless transmission module 504, the fifth wireless transmission module 505, the sixth wireless transmission module 506, and the seventh wireless transmission module 507.
In a specific embodiment, the display processing device includes a host 10 and a display screen 9, the host 10 is configured to receive and process information sent by the information transmission device, and the display screen 9 is configured to display a process of processing information and process completion data by the host 10.
The principle of the embodiment:
the utility model discloses a platform comprises a fan that awaits measuring, two sections rectangular cross section tuber pipes, two sections circular arc pipes, an anemograph, a flowmeter, four pressure measurement device, two pitot tubes, two temperature test device, seven wireless transmission module, a router, a liquid crystal display, a host computer and a plurality of support and circuit. In the operation process of the fan platform, airflow enters from one end of the rectangular air pipe, is sucked by the fan to be tested from two sides through the two arc-shaped pipelines, and finally is converged to the other end of the rectangular pipeline to be led out. Various physical parameters of the fan are measured by utilizing a pressure measuring device, a flowmeter, a temperature testing device, a pitot tube, an anemoscope and the like which are arranged in a pipeline, and real-time monitored data are transmitted to a software end through a wireless transmission module.
The air flow enters from the rectangular air pipe at the air inlet pipeline, is sucked from two sides by the centrifugal fan through the two arc-shaped pipelines, and finally is converged to the rectangular pipeline at the air outlet pipeline to be led out. The direction of the air flow and the air-inducing air outlet are clearly visible in the figure. This is equivalent to selecting a section of fan system which is the most basic as a reference, and almost all fan systems used in industrial enterprises can be split into similar basic sections no matter how complex the pipelines are. Punching at the upper side of a rectangular section air pipe, installing a temperature sensor, a pitot tube, a pressure transmitter and a flowmeter, wherein the specific installation mode is as follows: the inlet end is provided with a first temperature testing device for measuring the inlet temperature, and the first temperature testing device is electrically connected with a wireless transmission module; the pitot tube is used for measuring inlet dynamic pressure and is connected to a pressure measuring device, and then the pressure transmitter is electrically connected with a wireless transmission module; considering the influence around the pipeline, four holes are respectively punched on the periphery of the rectangular air pipe, the four holes are connected out by a four-way joint to be used as a static pressure measuring point for measuring the static pressure of an inlet and connected to a pressure measuring device, and then the pressure measuring device is connected with a wireless transmission module. For front view reasons, only one static pressure measurement point is shown, and the four-way is also omitted. The outlet section is completely similar, except that an anemoscope is additionally arranged for measuring the airflow speed in the pipeline, the temperature sensor, the pitot tube, the pressure transmitter and the static pressure measuring point are also arranged in the outlet section, are respectively used for measuring the outlet temperature, the outlet dynamic pressure and the outlet static pressure, are all connected to the wireless transmission module, and finally upload the real-time measuring data once per second to the industrial internet. Besides, a flowmeter is installed at the outlet section and used for measuring the flow, and the flowmeter is also connected to the wireless transmission module and uploaded to the industrial internet to form visual data. The platform is accurate in measurement, data-based and visual, and can realize real-time online monitoring and energy-saving calculation. And finally, analyzing parameters such as the electric energy load rate, the electric energy utilization rate, the unit consumption and the full pressure of the fan system to obtain a result, evaluating the energy saving amount of the fan system, and comparing to obtain an energy-saving transformation scheme.
Implement the utility model discloses, following beneficial effect has:
1. the utility model discloses all install wireless transmission module on every measuring device and testing arrangement, can be in real time with data transmission to the host computer that tests, then form audio-visual data and show on display screen, improved on-line monitoring platform's ageing and accuracy.
2. The utility model discloses install temperature sensor, pitot tube and pressure measurement device at the intake stack, can accurately measure the temperature of air intake, move wind pressure and quiet wind pressure, at air-out piping erection temperature sensor, pitot tube, pressure sensor, flow sensor and anemoscope, can accurately measure the temperature of air outlet, move wind pressure, quiet wind pressure, flow and wind speed, the measured data kind is complete, measuring result is accurate, be favorable to follow-up above-mentioned data of utilizing to carry out the accuracy that relevant efficiency calculated.
Examples
In this embodiment, refer to specification attached drawings 1-2, the utility model discloses the technical problem that will solve lies in the high problem of current both ends electrically conductive formula bent pipe diagnosis fault rate, and the product structure is complicated, and is with high costs, provides a bent pipe connection structure and bent pipe, bent pipe connection structure includes:
test pipeline, the fan that awaits measuring, temperature testing arrangement, wind speed testing arrangement, pressure measurement device, information transmission device, flow measuring device, demonstration processing apparatus and a plurality of support 8, the both ends of the fan that awaits measuring all are provided with test pipeline, the support with test pipeline fixed connection, support 8 is used for supporting the test pipeline, temperature testing arrangement wind speed testing arrangement 7 pressure measurement device flow measuring device 6 equal fixed mounting be in on the test pipeline, temperature testing arrangement wind speed testing arrangement 7 pressure measurement device flow measuring device all sets up on the flow measuring device 6 and all is connected with the information transmission device electricity, information transmission device with show processing apparatus electricity and connect.
In a specific embodiment, the testing pipeline includes an air inlet pipeline 101 and an air outlet pipeline 102, the air inlet pipeline 101 is communicated with an air inlet of the fan 2 to be tested, the air outlet pipeline 102 is communicated with an air outlet of the fan 2 to be tested, and both the air inlet pipeline 101 and the air outlet pipeline 102 are rectangular cross-section pipelines.
In a specific embodiment, a fan air inlet pipe 201 is further disposed at an air inlet of the fan 2 to be tested, and the fan air inlet pipe 201 is communicated with the air inlet pipeline 101.
In a specific embodiment, the temperature testing device includes a first temperature testing device 301 and a second temperature testing device 302, the first temperature testing device 301 is installed on an upper surface close to the air inlet of the air inlet duct 101, the second temperature testing device 302 is installed on an upper surface of the air outlet duct 102, and both the first temperature testing device 301 and the second temperature testing device 302 are temperature sensors.
In a specific embodiment, the pressure measuring means comprises a first pressure measuring means 401, a second pressure measuring means 402, a third pressure measuring means 403 and a fourth pressure measuring means 404, the first temperature testing device 301, the first pressure measuring device 401 and the second pressure measuring device 402 are sequentially arranged along the air inlet pipeline 101 towards the direction of the fan 2 to be tested, the first pressure measuring device 401 and the second pressure measuring device 402 are both fixedly installed on the upper surface of the air inlet duct 101, the third pressure measuring device 403, the second temperature testing device 302 and the fourth pressure measuring device 404 are sequentially arranged along the air outlet pipeline 102 in a direction away from the fan 2 to be tested, the third pressure measuring device 403 and the fourth pressure measuring device 404 are both fixedly mounted on the upper surface of the air outlet duct 102.
In a specific embodiment, the side surface of the air inlet duct 101 is further provided with a first static pressure measuring point, the first static pressure measuring point is actually four holes connected by a four-way joint around the rectangular interface duct, the second pressure measuring device 402 is configured to measure the pressure of the air inlet duct 101 through the first static pressure measuring point, the side surface of the air outlet duct 102 is further provided with a second static pressure measuring point, the second static pressure measuring point is actually four holes connected by a four-way joint around the rectangular interface duct, and the fourth pressure measuring device 404 is configured to measure the pressure of the air outlet duct 102 through the second static pressure measuring point.
In a particular embodiment, the pressure measurement device further comprises a first pitot tube 405 and a second pitot tube 406, the first pitot tube 405 is mounted between the first temperature testing device 301 and the first pressure measuring device 401, the first pitot tube 405 is fixedly installed on the upper surface of the air inlet duct 101, the second pitot tube 406 is installed between the second temperature testing device 302 and the third pressure measuring device 403, the second pitot tube 406 is fixedly installed on the upper surface of the air outlet pipe 102, the first pitot tube 405 is electrically connected with the first pressure measuring device 401, the second pitot tube 406 is electrically connected to the third pressure measuring device 403, the first pressure measuring device 401 is used for measuring the dynamic pressure difference in the air inlet pipeline 101 through the first pitot tube 405, the third pressure measuring device 403 is used for measuring the dynamic pressure difference in the air outlet pipe 102 through the second pitot tube 406.
In a specific embodiment, the flow measuring device 6 is installed between the second temperature testing device 302 and the fourth pressure measuring device 404, the flow measuring device 6 is fixedly installed on the upper surface of the air outlet duct 102, the flow measuring device 6 is a flow meter, the wind speed testing device 7 is fixedly installed on the upper surface of the air outlet duct 102, and the wind speed testing device 7 is an anemometer.
In a specific embodiment, the information transmission apparatus includes a first wireless transmission module 501, a second wireless transmission module 502, a third wireless transmission module 503, a fourth wireless transmission module 504, a fifth wireless transmission module 505, a sixth wireless transmission module 506, a seventh wireless transmission module 507, and a router 508;
the first wireless transmission module 501 is mounted on the first temperature testing device 301 and is electrically connected with the first temperature testing device 301;
the second wireless transmission module 502 is mounted on the first pressure measurement device 401 and is electrically connected with the first pressure measurement device 401;
the third wireless transmission module 503 is installed on the second pressure measurement device 402 and is electrically connected with the second pressure measurement device 402;
the fourth wireless transmission module 504 is installed on the third pressure measurement device 403 and is electrically connected with the third pressure measurement device 403;
the fifth wireless transmission module 505 is installed on the second temperature testing device 302 and is electrically connected with the second temperature testing device 302;
the sixth wireless transmission module 506 is mounted on the flow measuring device 6 and is electrically connected with the flow measuring device 6;
the seventh wireless transmission module 507 is installed on the fourth pressure measuring device 404 and is electrically connected with the fourth pressure measuring device 404;
the router 508 is configured to provide a local area network for the first wireless transmission module 501, the second wireless transmission module 502, the third wireless transmission module 503, the fourth wireless transmission module 504, the fifth wireless transmission module 505, the sixth wireless transmission module 506, and the seventh wireless transmission module 507.
In a specific embodiment, the display processing device includes a host 10 and a display screen 9, the host 10 is configured to receive and process information sent by the information transmission device, and the display screen 9 is configured to display a process of processing information and process completion data by the host 10.
The principle of the embodiment:
the utility model discloses a platform comprises a fan that awaits measuring, two sections rectangular cross section tuber pipes, two sections circular arc pipes, an anemograph, a flowmeter, four pressure measurement device, two pitot tubes, two temperature test device, seven wireless transmission module, a router, a liquid crystal display, a host computer and a plurality of support and circuit. In the operation process of the fan platform, airflow enters from one end of the rectangular air pipe, is sucked by the fan to be tested from two sides through the two arc-shaped pipelines, and finally is converged to the other end of the rectangular pipeline to be led out. Various physical parameters of the fan are measured by utilizing a pressure measuring device, a flowmeter, a temperature testing device, a pitot tube, an anemoscope and the like which are arranged in a pipeline, and real-time monitored data are transmitted to a software end through a wireless transmission module.
The air flow enters from the rectangular air pipe at the air inlet pipeline, is sucked from two sides by the centrifugal fan through the two arc-shaped pipelines, and finally is converged to the rectangular pipeline at the air outlet pipeline to be led out. The direction of the air flow and the air-inducing air outlet are clearly visible in the figure. This is equivalent to selecting a section of fan system which is the most basic as a reference, and almost all fan systems used in industrial enterprises can be split into similar basic sections no matter how complex the pipelines are. Punching at the upper side of a rectangular section air pipe, installing a temperature sensor, a pitot tube, a pressure transmitter and a flowmeter, wherein the specific installation mode is as follows: the inlet end is provided with a first temperature testing device for measuring the inlet temperature, and the first temperature testing device is electrically connected with a wireless transmission module; the pitot tube is used for measuring inlet dynamic pressure and is connected to a pressure measuring device, and then the pressure transmitter is electrically connected with a wireless transmission module; considering the influence around the pipeline, four holes are respectively punched on the periphery of the rectangular air pipe, the four holes are connected out by a four-way joint to be used as a static pressure measuring point for measuring the static pressure of an inlet and connected to a pressure measuring device, and then the pressure measuring device is connected with a wireless transmission module. For front view reasons, only one static pressure measurement point is shown, and the four-way is also omitted. The outlet section is completely similar, except that an anemoscope is additionally arranged for measuring the airflow speed in the pipeline, the temperature sensor, the pitot tube, the pressure transmitter and the static pressure measuring point are also arranged in the outlet section, are respectively used for measuring the outlet temperature, the outlet dynamic pressure and the outlet static pressure, are all connected to the wireless transmission module, and finally upload the real-time measuring data once per second to the industrial internet. Besides, a flowmeter is installed at the outlet section and used for measuring the flow, and the flowmeter is also connected to the wireless transmission module and uploaded to the industrial internet to form visual data. The platform is accurate in measurement, data-based and visual, and can realize real-time online monitoring and energy-saving calculation. And finally, analyzing parameters such as the electric energy load rate, the electric energy utilization rate, the unit consumption and the full pressure of the fan system to obtain a result, evaluating the energy saving amount of the fan system, and comparing to obtain an energy-saving transformation scheme. In the above description, the axial flow fan, the rotary fan, the reciprocating fan, etc. may be replaced according to the needs of the industrial enterprise. The conduit may alternatively be of circular cross-section.
The above-disclosed embodiments are merely exemplary embodiments of the present invention, which should not be construed as limiting the scope of the invention, but rather as equivalent variations of the invention are covered by the following claims.
Claims (10)
1. The utility model provides a fan efficiency on-line measuring evaluation system which characterized in that includes: test pipeline, the fan that awaits measuring, temperature testing arrangement, wind speed testing arrangement, pressure measurement device, information transmission device, flow measuring device, demonstration processing apparatus and a plurality of support (8), the both ends of the fan that awaits measuring all are provided with test pipeline, the support with test pipeline fixed connection, support (8) are used for supporting the test pipeline, temperature testing arrangement wind speed testing arrangement (7) pressure measurement device flow measuring device (6) equal fixed mounting be in on the test pipeline, temperature testing arrangement wind speed testing arrangement (7) pressure measurement device flow measuring device (6) are gone up and all are set up all to be connected with the information transmission device electricity, information transmission device with show that processing apparatus electricity is connected.
2. The on-line detection and evaluation system for fan energy efficiency according to claim 1, characterized in that the test pipeline comprises an air inlet pipeline (101) and an air outlet pipeline (102), the air inlet pipeline (101) is communicated with an air inlet of the fan (2) to be tested, the air outlet pipeline (102) is communicated with an air outlet of the fan (2) to be tested, and the air inlet pipeline (101) and the air outlet pipeline (102) are both rectangular-section pipelines.
3. The on-line detection and evaluation system for the fan energy efficiency according to claim 2, characterized in that a fan air inlet pipe (201) is further arranged at an air inlet of the fan (2) to be tested, and the fan air inlet pipe (201) is communicated with the air inlet pipeline (101).
4. The online detecting and evaluating system for fan energy efficiency according to claim 3, characterized in that the temperature testing device comprises a first temperature testing device (301) and a second temperature testing device (302), the first temperature testing device (301) is installed on the upper surface close to the air inlet of the air inlet duct (101), and the second temperature testing device (302) is installed on the upper surface of the air outlet duct (102).
5. The on-line detection and evaluation system for fan energy efficiency according to claim 4, characterized in that the pressure measurement devices comprise a first pressure measurement device (401), a second pressure measurement device (402), a third pressure measurement device (403) and a fourth pressure measurement device (404), the first temperature measurement device (301), the first pressure measurement device (401) and the second pressure measurement device (402) are sequentially arranged along the air inlet duct (101) towards the fan (2) to be tested, the first pressure measurement device (401) and the second pressure measurement device (402) are fixedly installed on the upper surface of the air inlet duct (101), the third pressure measurement device (403), the second temperature measurement device (302) and the fourth pressure measurement device (404) are sequentially arranged along the air outlet duct (102) towards the direction away from the fan (2) to be tested, the third pressure measuring device (403) and the fourth pressure measuring device (404) are both fixedly mounted on the upper surface of the air outlet duct (102).
6. The on-line detection and evaluation system for fan energy efficiency according to claim 5, characterized in that a first static pressure measuring point is further arranged on the side surface of the air inlet pipeline (101), and the second pressure measuring device (402) is used for measuring the air inlet pipeline through the first static pressure measuring point
(101) The side surface of the air outlet pipeline (102) is also provided with a second static pressure measuring point, and the fourth pressure measuring device (404) is used for measuring the pressure of the air outlet pipeline (102) through the second static pressure measuring point.
7. The online fan energy efficiency detection and assessment system according to claim 6, wherein the pressure measurement device further comprises a first pitot tube (405) and a second pitot tube (406), the first pitot tube (405) is installed between the first temperature test device (301) and the first pressure measurement device (401), the first pitot tube (405) is fixedly installed on the upper surface of the air inlet pipe (101), the second pitot tube (406) is installed between the second temperature test device (302) and the third pressure measurement device (403), the second pitot tube (406) is fixedly installed on the upper surface of the air outlet pipe (102), the first pitot tube (405) is electrically connected with the first pressure measurement device (401), and the second pitot tube (406) is electrically connected with the third pressure measurement device (403)
And the first pressure measuring device (401) is used for measuring the dynamic pressure difference in the air inlet pipeline (101) through a first pitot tube (405), and the third pressure measuring device (403) is used for measuring the dynamic pressure difference in the air outlet pipeline (102) through a second pitot tube (406).
8. The online detecting and evaluating system for fan energy efficiency according to claim 7, wherein the flow measuring device (6) is installed between the second temperature testing device (302) and the fourth pressure measuring device (404), the flow measuring device (6) is fixedly installed on the upper surface of the air outlet duct (102), the flow measuring device (6) is a flow meter, and the wind speed testing device (7) is fixedly installed on the upper surface of the air outlet duct (102).
9. The online fan energy efficiency detection and evaluation system according to claim 7, wherein the information transmission device comprises a first wireless transmission module (501), a second wireless transmission module (502), a third wireless transmission module (503), a fourth wireless transmission module (504), a fifth wireless transmission module (505), a sixth wireless transmission module (506), a seventh wireless transmission module (507), and a router (508);
the first wireless transmission module (501) is arranged on the first temperature testing device (301) and is electrically connected with the first temperature testing device (301) at the same time;
the second wireless transmission module (502) is mounted on the first pressure measurement device (401) and is electrically connected with the first pressure measurement device (401);
the third wireless transmission module (503) is installed on the second pressure measurement device (402) and is electrically connected with the second pressure measurement device (402);
the fourth wireless transmission module (504) is installed on the third pressure measurement device (403) and is electrically connected with the third pressure measurement device (403);
the fifth wireless transmission module (505) is installed on the second temperature testing device (302) and is electrically connected with the second temperature testing device (302);
the sixth wireless transmission module (506) is installed on the flow measuring device (6) and is electrically connected with the flow measuring device (6);
the seventh wireless transmission module (507) is installed on the fourth pressure measurement device (404) and is electrically connected with the fourth pressure measurement device (404);
the router (508) is configured to provide a local area network for the first wireless transmission module (501), the second wireless transmission module (502), the third wireless transmission module (503), the fourth wireless transmission module (504), the fifth wireless transmission module (505), the sixth wireless transmission module (506), and the seventh wireless transmission module (507).
10. The online detecting and evaluating system for fan energy efficiency according to claim 7, wherein the display processing device comprises a host (10) and a display screen (9), the host (10) is configured to receive and process the information sent by the information transmission device, and the display screen (9) is configured to display information processing procedures and processing completion data of the host (10).
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| CN202021782973.2U CN212774887U (en) | 2020-08-24 | 2020-08-24 | Online detection and evaluation system for fan energy efficiency |
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