CN111579202B - Integrated device for boiler cold state aerodynamic field test - Google Patents
Integrated device for boiler cold state aerodynamic field test Download PDFInfo
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- CN111579202B CN111579202B CN202010473623.6A CN202010473623A CN111579202B CN 111579202 B CN111579202 B CN 111579202B CN 202010473623 A CN202010473623 A CN 202010473623A CN 111579202 B CN111579202 B CN 111579202B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
- G01M9/065—Measuring arrangements specially adapted for aerodynamic testing dealing with flow
- G01M9/067—Measuring arrangements specially adapted for aerodynamic testing dealing with flow visualisation
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Abstract
The invention relates to an integrated device for a boiler cold state aerodynamic field test, wherein a platform is fixedly arranged at the top of a quick assembly support, an image collector is arranged at the center of the platform through a sealed type holder, two groups of LED light supplement lamps are symmetrically arranged on two sides of the image collector, four character projection lamps are symmetrically and fixedly arranged at four corners of the platform, a laser range finder, a bidirectional decoding controller, a lithium battery pack, a 4G transmission module and a wireless receiving and transmitting antenna are arranged on the quick assembly support below the platform through a support plate, and two groups of matrix type LED projection lamp groups are symmetrically arranged on two sides of the quick assembly support. According to the invention, by quickly building the integrated device for illumination control, image acquisition and information real-time receiving and sending in the hearth, the problems of unreasonable illumination brightness distribution, dim dead angles and the like in the aerodynamic field test process can be effectively solved, the illumination brightness of a working area is optimized, and quick observation, accurate measurement and recording of workers are facilitated.
Description
Technical Field
The invention belongs to the field of boilers, relates to a cold aerodynamic field test of a power station boiler, and particularly relates to an integrated device for lighting control, image acquisition and recording and information real-time receiving and transmitting of the cold aerodynamic field test of the boiler.
Background
The cold state aerodynamic field test of the utility boiler is a field test for simulating the thermal state combustion aerodynamic condition, which is used for testing whether combustion equipment can normally and safely operate after the boiler is overhauled in a large scale. Many and scattered auxiliary equipment that experimental needs to be prepared, such as lighting fixtures, laser range finder, box chi, dustproof camera, combustor position mark dish all need bring into the furnace. The position of the illuminating lamp is adjusted frequently to meet the requirement of test illumination, the flowing direction of airflow at the outlet of the combustor in the test process is recorded, professional personnel are required to shoot pictures and images, in the high-dust, high-wind-speed and high-noise hearth environment, operations such as camera focusing and illumination need to be matched by a plurality of personnel skillfully, the camera is required to be provided with dustproof measures, and the quality of images shot by non-professional personnel on site cannot be guaranteed. Therefore, an integrated device which can be assembled and centralized in the furnace and can be controlled and operated outside the furnace and can receive images in real time needs to be developed. The special dispersion of test equipment in the reduction test process, the reduction gets into furnace staff's quantity, reduces tester's working strength, improves the record quality of image.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an integrated device for a boiler cold state aerodynamic field test, a technical integration method is adopted to carry out lighting control, image acquisition and transmission and instruction control outside a boiler on the boiler test, a 4G transmission module and a repeater are used for carrying out bidirectional transmission of instructions and image information, a better lighting effect and clear image acquisition information are obtained through control outside the boiler, and the requirements of measurement, observation and recording in the boiler are met.
The technical scheme adopted by the invention for solving the technical problem is as follows:
an integrated device for a boiler cold state aerodynamic field test comprises two matrix type LED projection lamp sets and a two-dimensional rotation controller thereof, an image collector, a sealed type tripod head, character projection lamps, a laser range finder, a 4G transmission module, a wireless transceiving antenna, a two-way decoding controller, a fast assembly bracket, a lithium battery set, a light intensity measuring sensor and a wireless signal relay amplifier, wherein a platform is fixedly arranged at the top of the fast assembly bracket, the image collector is arranged at the center of the platform through the sealed type tripod head, two groups of LED light supplement lamps are symmetrically arranged at two sides of the image collector, four character projection lamps are symmetrically and fixedly arranged at four corners of the platform, the laser range finder, the two-way decoding controller, the lithium battery set, the 4G transmission module and the wireless transceiving antenna are arranged on the fast assembly bracket below the platform through a supporting plate, the two groups of matrix type LED projection lamp sets are symmetrically arranged at two sides of the fast assembly bracket, the wireless signal relay amplifier is independently placed near a manhole door of a hearth, the illuminance measuring sensor is fixed in an irradiation center area through a semicircular magnetic suction seat and returns an illuminance value through wireless transmission, the output of the illuminance measuring sensor is connected with the bidirectional decoding controller, the bidirectional decoding controller is respectively connected with the sealed type holder, the image collector, the two groups of matrix LED projection lamp sets and the two-dimensional rotation controller thereof in an output mode, the input and the output of the bidirectional decoding controller are connected with the 4G transmission module, the input and the output of the 4G transmission module are connected with the wireless signal relay amplifier, the input and the output of the wireless signal relay amplifier are connected with the control terminal, and the 4G transmission module is respectively connected with the four character projection lamps and the laser range finder in an output mode.
And the sealed tripod head horizontally rotates for 360 degrees, and vertically rotates for 35 degrees at a pitch angle.
And the laser range finder is provided with a bidirectional laser range finding lens and is connected with the 4G transmission module through a control switch and signal control.
And the rapid assembly support is provided with sand bags for fixing four feet, and the periphery of the rapid assembly support is wrapped by the windproof canvas and the bonding strips.
The matrix type LED projection lamp set adjusts light beams with different brightness according to work requirements, the light beams irradiate a vertical surface area needing to be measured, after the illuminance measuring sensor arranged at the center of the area senses the intensity of illumination, the light beams are reversely transmitted to the 4G transmission module through the bidirectional decoder, then voltage signals are wirelessly transmitted back to the control terminal, after the control terminal receives the signals, the illumination intensity is obtained through the calculation model of the lumen intensity, and when the judgment is moderate, the adjustment is not carried out; when the illumination value is lower or higher, the two modes of the angle and the brightness gear of the two-dimensional rotation controller are respectively adjusted at the control terminal to reach a proper illumination value range.
And according to the test requirements of different furnace types, static and dynamic image tracking collection is carried out on the tracing tracks of the burner groups at different positions through an image collector.
And the four groups of character projection lamps are projected to corresponding angular positions after being edited at a terminal according to the furnace types and the serial number names of the positions.
And the laser range finder directly measures the distance between the laser range finder and the water-cooled wall surface, the measured data is transmitted back to the terminal, the measured data is compared with the geometric dimension of the section of the water-cooled wall, and the position of the image acquisition platform is obtained and used for integrally positioning the image acquisition platform in the hearth before the test is started.
And the operation signal of the control terminal is sent to the wireless signal relay amplifier through the wireless antenna and is wirelessly transmitted to the 4G transmission module.
The invention has the advantages and positive effects that:
according to the invention, by quickly building the integrated device for illumination control, image acquisition and information real-time transceiving in the hearth, the problems of unreasonable illumination brightness distribution, dim dead angles and the like in the aerodynamic field test process can be effectively solved, the brightness of a working area is optimized, and the rapid and accurate observation, measurement and recording of workers are facilitated; the image acquisition system can control and optimize various parameters of the acquisition equipment and return the parameters to the display terminal in real time, so that image information can be better recorded in the whole process instead of testers, and the working time and the number of the workers in the dust environment in the furnace are greatly reduced; auxiliary equipment such as character projection and laser ranging can highlight the name of the angular position of each burner and the positioning of the whole set of device in the whole process, so that testers can conveniently and quickly identify the position of each burner under the conditions of high dust and high wind speed, the troubles of bringing other markers into a hearth and installing are reduced, the positioning and control precision of the terminal on the position in the furnace is also improved, the device has wider application range on the test site, the site working efficiency is improved, and the working intensity is reduced.
Drawings
FIG. 1 is a schematic diagram of arrangement of wireless transmission and position positioning of illumination and image acquisition in a boiler aerodynamic field test furnace;
1. matrix type LED projection lamp set 2, two-dimensional rotation controller 3, image collector 4, LED light supplement lamp 5, sealed type tripod head 6, character projection lamp 7, laser range finder 8, fast assembly support 9, windproof canvas 10, power supply cable 11, control cable 12, lithium battery set 13.4G transmission module and wireless transceiving antenna 14, two-way decoding controller
FIG. 2 is a block diagram of transmission of lighting and image acquisition information in a boiler aerodynamic field test;
FIG. 3 is a power supply block diagram of a boiler aerodynamic field test lighting and image acquisition system.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
An integrated device for a boiler cold state aerodynamic field test comprises two matrix type LED projection lamp sets 1 and a two-dimensional rotation controller 2 thereof, an image collector 3, a sealing type holder 5, a character projection lamp 6, a laser range finder 7, a 4G transmission module, a wireless transceiving antenna 13, a bidirectional decoding controller 14, a quick assembly support 8 and a lithium battery pack 12.
A platform is fixedly arranged at the top of a quick assembly support, an image collector 3 is arranged at the center of the platform through a sealing type cloud deck 5, two groups of LED light supplement lamps 4 are symmetrically arranged on two sides of the image collector 3, four character projection lamps 6 are symmetrically and fixedly arranged at four corners of the platform, and a laser range finder 7, a bidirectional decoding controller 14, a lithium battery pack 12, a 4G transmission module and a wireless receiving and transmitting antenna 13 are arranged on the quick assembly support below the platform through a supporting plate. Two matrix LED projection lamp sets 1 are symmetrically arranged on two sides of the quick assembly bracket 8.
The closed tripod head 5 can horizontally rotate by nearly 360 degrees and can vertically rotate by 35 degrees at a pitch angle.
The illuminance measuring sensor is fixed in the irradiation center area through the semicircular magnetic suction seat and returns an illuminance value through wireless transmission.
The wireless signal relay amplifier is independently arranged near a hearth manhole door to prevent the reduction of transmission signals caused by metal shielding of hearth water wall pipes.
The two groups of matrix LED projection lamp groups are connected with the lithium battery pack through power supply cables, the control cables are connected with the bidirectional decoding controller (a multi-core control cable contains a power supply line), the image collector 3, the sealing type holder 5 and the LED light supplementing lamp 4 are connected with the bidirectional decoding controller through the control cables (the multi-core control cable contains the power supply line), and the character transmission and focal length adjustment control modules arranged in the four character projection lamps are connected with the 4G transmission module through signal and control cable interfaces and used for receiving and executing character information and control signals sent by the control terminal. The laser range finder is provided with a bidirectional laser range finding lens and is connected with the 4G transmission module through a control switch and a signal control.
The quick assembly support 8 is provided with a sand bag fixing four-foot support, the support can be horizontally adjusted, and the periphery of the quick assembly support 8 is wrapped by the windproof canvas 10 and the bonding strips.
The transmission block diagram of the lighting and image acquisition information in the boiler according to the boiler aerodynamic field test of fig. 2 is illustrated as follows:
the bidirectional decoding controller is respectively connected with the sealed tripod head and the image collector thereof in an output way, the two matrix type LED projection lamp sets and the two-dimensional rotation controller thereof in an output way, and the illuminance measurement sensor in an output way and is connected with the bidirectional decoding controller, the input and output of the bidirectional decoding controller are connected with the 4G transmission module, and the input and output of the 4G transmission module are connected with the wireless signal relay amplifier and the input and output of the wireless signal relay amplifier are connected with the control terminal. The output of the 4G transmission module is connected with the text information transmission module, and the output of the text information transmission module is connected with four text projection lamps. The output of the 4G transmission module is connected with a control switch, and the output of the control switch is connected with four character projection lamps. The 4G transmission module is connected with the laser range finder through the output of the control switch.
After the power supply of the lithium battery pack is switched on through the control switch, the matrix type LED projection lamp set 1 and the matrix type LED projection lamp set 2 adjust light beams with different brightness according to working requirements and irradiate the light beams to a vertical surface area needing to work. After the illuminance measuring sensor arranged at the center of the area senses the intensity of illumination, the illuminance measuring sensor reversely transmits the illuminance to the 4G transmission module through the bidirectional decoder, and then wirelessly transmits a voltage signal back to the control terminal. After the control terminal receives the signal, the illumination intensity is obtained through a lumen intensity calculation model, and when the judgment is moderate, no adjustment is made; when the luminance value is lower or higher, the two modes of the angle and the brightness gear of the two-dimensional rotation controller are respectively adjusted at the control terminal to reach a proper luminance value range. And an operation signal of the control terminal is sent to the wireless signal relay amplifier through the wireless antenna, is wirelessly transmitted to the 4G transmission module, and is used for adjusting the brightness gear and the two-dimensional rotation controller of the LED projection lamp set through the forward transmission control function of the bidirectional decoder. The image collector device can adjust a two-dimensional angle on the sealing type holder, static and dynamic image tracking collection is carried out on tracing tracks of burner groups at different positions according to test requirements of different furnace types, if insufficient light rays are observed in an image collection area of the terminal display, supplementary illumination can be carried out by the light supplement lamps on two sides of the image collector, pictures and images meeting requirements are obtained, and the pictures and the images are stored at the terminal. The four groups of character projection lamps are projected to corresponding angular positions after being edited at a terminal according to the serial number names of the furnace types and the positions, so that clear position information can be obtained conveniently during image acquisition. After the laser range finder is powered on through the control switch, the distance between the laser range finder and the water-cooling wall surface can be directly measured, the measured data is transmitted back to the terminal, the measured data is compared with the geometric dimension of the section of the water-cooling wall, the position of the image acquisition platform is obtained, and the function is used for integrally positioning the image acquisition platform in the hearth and is used before the test is started.
The external terminal notebook computer and the terminal controller are used for image acquisition, two-dimensional angle adjustment of the lamp bank, optimal adjustment to achieve a better illumination value, two-dimensional direction control of the sealed type holder, in-furnace azimuth character display projection position control, image recording and other functions.
The power supply block diagram of the boiler aerodynamic field test lighting and image acquisition system according to fig. 3 is illustrated as follows:
the lithium battery pack is used as a power supply of the system, one path of the lithium battery pack is supplied to two matrix type LED projection lamp sets and a two-dimensional rotation controller configured with the LED projection lamp sets and used for illumination and rotation control, the other path of the lithium battery pack is used for supplying power to a two-way decoder, the two-way decoder is distributed to an image collector, a sealing type holder and an LED light supplement lamp, the third path of the lithium battery pack supplies power to the character projection lamp sets, and the other path of the lithium battery pack is connected in parallel to form 4 paths of the lithium battery pack and is respectively supplied to four character projection lamps. And the fourth path supplies power to the 4G transmission module.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept, and these changes and modifications are all within the scope of the present invention.
Claims (4)
1. The utility model provides an integrated device for experimental boiler cold state aerodynamic field which characterized in that: the system comprises two matrix type LED projection lamp sets and a two-dimensional rotation controller thereof, an image collector, a sealed tripod head, character projection lamps, a laser range finder, a 4G transmission module, a wireless transceiving antenna, a bidirectional decoding controller, a quick assembly bracket, a lithium battery pack, a illuminance measurement sensor and a wireless signal relay amplifier, wherein a platform is fixedly arranged at the top of the quick assembly bracket, the image collector is arranged at the center of the platform through the sealed tripod head, two groups of LED light-compensating lamps are symmetrically arranged at two sides of the image collector, four character projection lamps are symmetrically and fixedly arranged at four corners of the platform, the laser range finder, the bidirectional decoding controller, the lithium battery pack, the 4G transmission module and the wireless transceiving antenna are arranged on the quick assembly bracket below the platform through a supporting plate, the two matrix type LED projection lamp sets are symmetrically arranged at two sides of the quick assembly bracket, and the wireless signal relay amplifier is independently arranged near a manhole door of a hearth, the illumination measurement sensor is fixed in an illumination central area through a semicircular magnetic suction seat and returns an illumination value through wireless transmission, the output of the illumination measurement sensor is connected with a bidirectional decoding controller, the bidirectional decoding controller is respectively connected with a sealed type pan-tilt, an image collector, two matrix type LED projection lamp sets and a two-dimensional rotation controller thereof in an output mode, the input and the output of the bidirectional decoding controller are connected with a 4G transmission module, the input and the output of the 4G transmission module are connected with a wireless signal relay amplifier, the input and the output of the wireless signal relay amplifier are connected with a control terminal, and the 4G transmission module is respectively connected with four character projection lamps and a laser range finder in an output mode; the matrix type LED projection lamp set adjusts light beams with different brightness according to the test work requirement, irradiates a vertical surface area needing to be measured, senses the illumination intensity through an illumination intensity measuring sensor arranged at the center of the area, reversely transmits the illumination intensity to a 4G transmission module through a bidirectional decoding controller, wirelessly transmits a voltage signal back to a control terminal, obtains the illumination intensity through a lumen intensity calculation model after the control terminal receives the signal, and does not adjust when the judgment is moderate; when the luminance is lower or higher, the angle and the luminance of the two-dimensional rotation controller are respectively adjusted at the control terminal to reach a proper luminance value range; according to the test requirements of different furnace types, static and dynamic image tracking collection is carried out on the tracing tracks of the burner groups at different positions through an image collector; the four character projection lamps are edited at the control terminal according to the serial number names of the furnace types and the positions and then projected to corresponding angular positions; the laser range finder directly measures the distance between the laser range finder and the water-cooled wall surface, measured data are transmitted back to the control terminal, the measured data are compared with the geometric dimension of the section of the water-cooled wall, and the position of the image acquisition platform is obtained and used for integral positioning of the image acquisition platform in the hearth and used before the test is started; and the operation signal of the control terminal is sent to the wireless signal relay amplifier through the wireless transceiving antenna and is wirelessly transmitted to the 4G transmission module.
2. The integrated device for the boiler cold state aerodynamic field test according to claim 1, is characterized in that: the sealed tripod head horizontally rotates for 360 degrees, and vertically rotates for 35 degrees in a pitch angle.
3. The integrated device for the boiler cold state aerodynamic field test according to claim 1, is characterized in that: the laser range finder is provided with a bidirectional laser range finding lens and is connected with the 4G transmission module through a control switch and signal control.
4. The integrated device for the boiler cold state aerodynamic field test according to claim 1, characterized in that: the rapid assembly support is provided with sand bags for fixing four feet, and the periphery of the rapid assembly support is wrapped by the windproof canvas and the bonding strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010473623.6A CN111579202B (en) | 2020-05-29 | 2020-05-29 | Integrated device for boiler cold state aerodynamic field test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010473623.6A CN111579202B (en) | 2020-05-29 | 2020-05-29 | Integrated device for boiler cold state aerodynamic field test |
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| Publication Number | Publication Date |
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| CN111579202A CN111579202A (en) | 2020-08-25 |
| CN111579202B true CN111579202B (en) | 2022-09-13 |
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| CN202010473623.6A Active CN111579202B (en) | 2020-05-29 | 2020-05-29 | Integrated device for boiler cold state aerodynamic field test |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100498341C (en) * | 2004-01-15 | 2009-06-10 | 徐州发电厂 | Automatic test system for cold test of boiler and test method thereof |
| EP2685249A1 (en) * | 2012-07-12 | 2014-01-15 | ABB Research Ltd. | Method and device for detecting abnormal heat emission in an industrial process |
| CN104808013B (en) * | 2015-01-26 | 2017-10-24 | 国家电网公司 | It is applicable the intelligent cold conditions stove internally-powered situation measuring system and method for large-sized boiler |
| CN204556213U (en) * | 2015-04-29 | 2015-08-12 | 华电国际电力股份有限公司技术服务中心 | Boiler cold-state aerodynamic field on-line measurement device |
| CN205454173U (en) * | 2016-03-29 | 2016-08-10 | 国家电网公司 | Lighting system of transformer substation |
| CN105890866A (en) * | 2016-04-08 | 2016-08-24 | 国网天津市电力公司 | boiler cold state aerodynamic field out-of-furnace remote control measurement system |
| CN206650786U (en) * | 2017-04-20 | 2017-11-17 | 云南省公路科学技术研究院 | One kind automates quick bridge appearance and checks equipment |
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Address after: No. 8, Haitai Huake 4th Road, Huayuan Industrial Zone, High tech Zone, Binhai New Area, Tianjin, 300384 Patentee after: ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF STATE GRID TIANJIN ELECTRIC POWER Co. Patentee after: STATE GRID TIANJIN ELECTRIC POWER Co. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No.8, Haitai Huake 4th Road, Xiqing District, Tianjin 300384 Patentee before: ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF STATE GRID TIANJIN ELECTRIC POWER Co. Patentee before: STATE GRID TIANJIN ELECTRIC POWER Co. Patentee before: STATE GRID CORPORATION OF CHINA |
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