CN104807444A - Fan tower inclination measurement method - Google Patents
Fan tower inclination measurement method Download PDFInfo
- Publication number
- CN104807444A CN104807444A CN201510166848.6A CN201510166848A CN104807444A CN 104807444 A CN104807444 A CN 104807444A CN 201510166848 A CN201510166848 A CN 201510166848A CN 104807444 A CN104807444 A CN 104807444A
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- place
- tower cylinder
- tower
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- blower fan
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/04—Interpretation of pictures
- G01C11/06—Interpretation of pictures by comparison of two or more pictures of the same area
- G01C11/08—Interpretation of pictures by comparison of two or more pictures of the same area the pictures not being supported in the same relative position as when they were taken
Abstract
The invention relates to a fan tower inclination measurement method. The method comprises steps as follows: 1), a user takes a picture of a tower at a place a with a certain distance L away from the tower, an image a1 is generated, and a direction a2 of the place a relative to the tower is recorded; 2), a next tower photographing place b is positioned automatically, a direction of the place b relative to the tower is b2, and an angle interval of b2 and a2 is 90 degrees, and an image b1 relative to the place b is generated; 3), the image a1 and the image b1 are compared and judged, an inclination angle alpha1 and an inclination angle alpha2 of tower axes, relative to a perpendicular line, on the corresponding vertical projection surfaces at the place a and the place b respectively are obtained, and horizontal deviation distances a4 and b4 of the tops of the tower axes relative to the bottoms of the tower axes are obtained; 4), the deviation angle alpha of the tower is obtained according to a formula that sin alpha <2> is equal to the sum of sin alpha 1<2> and sin alpha 2<2>. With the adoption of the method, the user can rapidly determine the inclination angle of the tower through two times of photographing, and the purpose of rapid and accurate detection for the inclination angle of the tower is achieved.
Description
Technical field
The present invention relates to the blower fan tower barrel inclinometric system of power industry, also relate to a kind of blower fan tower barrel tilt measuring method based on above-mentioned measuring system.
Background technology
The tower cylinder of Wind turbines is the load-supporting part in wind power generating set, mainly plays a supportive role in wind power generating set, and simultaneously stability unit shakes.Tower cylinder subjects the load complicated and changeable such as thrust, moment of flexure and torque load, makes in wind power generating set operational process, and tower cylinder there will be waving and the distortion such as distortion of certain amplitude; In addition, tower cylinder also can be subject to the impact of the factors such as material deformation, parts inefficacy and settlement of foundation, produces.
In the process that blower fan tower barrel uses, blower fan tower barrel angle of inclination is an important monitored parameter, if angle of inclination is excessive, the normal operation of wind power generating set can be affected, serious also can produce security incident, may cause extremely dangerous situation, thus cause extreme loss.Therefore, need to carry out Real-Time Monitoring to the inclination and distortion of tower cylinder.
More existing technical schemes propose to be measured tower cylinder angle of inclination, as follows;
If application number is the Chinese patent of 201420116700.2, which provide a kind of tower of wind generating set cylinder inclination measuring device, be arranged on the inside of tower cylinder, tower cylinder comprises at least two connecting cylinders, the end that adjacent two connecting cylinders contact is respectively equipped with flange, by bolt, the flange on two connecting cylinders is fixedly connected with, tower cylinder inclination measuring device comprises support and some sensor groups, the cylinder inwall of at least one connecting cylinder is at least provided with a support, support is provided with some sensor groups, the nonlinear deformation curve of tower cylinder can be obtained, to reach the object accurately judging tower cylinder tilt condition.But, in the scheme of above-mentioned employing Sensor monitoring, because sensor is only provided at one or several height face place, makes the measurement out of true at tower cylinder angle of inclination, easily produce erroneous judgement.
Also have, if application number is the Chinese patent of 201410045389.1, it the present invention relates to a kind of Automatic identification system for fan tower cylinder inclination angle image, and it is the image being got blower fan tower barrel by camera, by process and the calculating of blower fan tower barrel image, obtain the angle of inclination of blower fan tower barrel.Thus obtain angle of inclination information more reliably.But, in such scheme, do not provide the concrete grammar adopting automatic image recognition system to tilt to measure to tower cylinder.
Based on needing above, special proposition the present invention.
Summary of the invention
The first object of the present invention is to provide a kind of blower fan tower barrel tilt measuring method, to realize the object of the angle of inclination of blower fan tower barrel being carried out to accurately measurement; Second object is to provide a kind of blower fan tower barrel tilt measuring method, to realize the object of the well azimuth of blower fan tower barrel being carried out to accurately measurement.
Technical scheme of the present invention is:
A kind of blower fan tower barrel tilt measuring method, is characterized in that: comprise the steps,
1), at a place, place at a distance of tower cylinder certain distance L tower cylinder is taken pictures, synthetic image a1, and the orientation a2 recording the relative tower cylinder of place A;
2), automatically orient next tower cylinder shooting places b, the orientation of the relative tower cylinder of this place b is b2, described b2 and a2 angle of being separated by is 90 degree, generates the image b1 that this place is corresponding;
3), image a1 with b1 is compared respectively, judge to draw tower cylinder at place a and b place tilt angle alpha 1 and the α 2 of the corresponding relative vertical line of tower cylinder axis on vertical projection face and the top of tower cylinder axis relative horizontal-shift distance a4 bottom it and b4 respectively;
4), according to following formula:
sinα
2＝sinα1
2+sinα2
2；
Draw the deviation angle α of tower cylinder.
Further, according to the direction of displacement c of above-mentioned measurement data determination tower cylinder, its step is as follows,
11), according to following formula:
tanβ＝a4
2+b4
2；
Draw deviation angle β;
12), judge in image b1, whether tower cylinder rolls tiltedly to place a; If so, step 13 is performed); If not, step 14 is performed);
13), judge that in image a1, which tower cylinder roll tiltedly to; If tilt to the left, then the direction of displacement c of tower cylinder offsets β to the left relative to the orientation a2 of place a; If tilt to the right, then the direction of displacement c of tower cylinder offsets β to the right relative to the orientation a2 of place a;
13), judge that in image a1, which tower cylinder roll tiltedly to; If tilt to the left, then the direction of displacement c of tower cylinder offsets 180 ° of-β to the left relative to the orientation a2 of place a; If tilt to the right, then the direction of displacement c of tower cylinder offsets 180 ° of-β to the right relative to the orientation a2 of place a.
Further, camera probe is all in same level At The Height when place a and b place take pictures.
Further, camera probe is when place a and b place take pictures, and the supporting seat of camera probe is all horizontally disposed with, and makes the axis of camera probe identical with the angle of surface level.
Further, camera probe is when place a and b place take pictures, and the axis of camera probe and the bottom of tower cylinder axis are in same vertical plane.
Further, by tower cylinder height H and following formula,
A4=tan α 1*H, b4=tan α 2*H combines;
Draw place a horizontal-shift distance a4 it bottom relative to the top of b place tower cylinder axis and b4 respectively.
Further, place a and place b is identical L at a distance of the horizontal range of tower cylinder; Preferably, described distance L is greater than tower cylinder height H.
Further, in step 2) in, judge the vergence direction of tower cylinder in image a1; Place b is set to along tower cylinder vergence direction, offsets 90 degree of places relative to place a.
Further, after the deviation angle α of tower cylinder is greater than setting value, send alerting signal, and control blower fan and quit work; Preferably, described setting value is not less than 5 degree, is not more than 45 degree.
The third object of the present invention is to provide a kind of blower fan tower barrel inclinometric system, and this system adopts above-mentioned arbitrary described method to measure tower cylinder angle of inclination and direction of displacement.
The fourth object of the present invention is to provide a kind of bracing frame, to realize the object to the calibration of camera mounting platform automatic horizontal.
The invention has the beneficial effects as follows:
1, by said method, user is made only to need to carry out taking pictures for twice to tower cylinder just to determine the angle of inclination of tower cylinder fast, to realize the object of quick, the accurate detection to tower cylinder angle of inclination;
2, by said method, user is made only to need to carry out taking pictures for twice to tower cylinder just to determine the direction of displacement of tower cylinder fast, to realize the object of quick, the accurate detection to tower cylinder inclination and offset orientation.；
3, by spot for photography and tower cylinder in a distance, avoid too closely causing the generation that cannot embody tower cylinder overall picture situation in shooting image;
4, after tower cylinder angle of inclination exceeds preset value, send alerting signal and blower fan is quit work, under avoiding the excessive situation in tower cylinder angle of inclination, the generation of blower fan still working order, to prevent the generation compared with major break down.
Meanwhile, the inventive method is succinct, Be very effective, is suitable for promoting the use of.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 to Fig. 3 is structural representation of the present invention;
Fig. 4 is the structural representation of acceleration sensor in the present invention;
Fig. 5 is A-A place section structure schematic diagram in Fig. 4 of the present invention;
Fig. 6 is the structural representation of support bar junction in the present invention;
Fig. 7 is the structural representation of support bar junction in another embodiment of the present invention;
Fig. 8 and Fig. 9 is the structural representation of another embodiment of the present invention;
Figure 10 is the position relationship schematic diagram of each measurement point and tower cylinder in the present invention;
Figure 11 is the tower cylinder measuring position schematic diagram in the present invention in the first situation;
Figure 12 is the tower cylinder measuring position schematic diagram in the present invention in the second situation;
Figure 13 is the logical relation block diagram of tower cylinder tilt measuring method in the present invention;
Figure 14 and Figure 15 is the structural representation of camera probe and The Cloud Terrace junction in the present invention;
Figure 16 and Figure 17 is the structural representation of horizontal stadimeter and connecting link in the present invention;
Component description:
1-camera probe, 2-The Cloud Terrace, 3-support bar, 4-bearing compass, 5-acceleration transducer, 6-accumulator, 7-solar panels, 8-horizontal stadimeter, 9-connecting link, 10-assisted solar plate, 11-hinge, 12-air level, 21-baffle plate, 22-groove, 23-hole clipping, 24-buckle, 31-upper boom, 32-lower beam, 33-slot, 34-tooth bar, 35-gear, 36-drive motor, 37-rotary screw, 38-rotating handles, 51-sleeve pipe, 52-spring, 53-base plate, 54-open slot, 55-pointer circle, 56-connecting rod, 57-scale mark, 81-through hole, 91-pilot hole, 92-register pin.
Embodiment
Embodiment one
As shown in Figures 1 to 9, this embodiment describes a kind of blower fan tower barrel inclinometric system, it comprises, bracing frame, is installed on the camera probe 1 on bracing frame; Described bracing frame comprises at least three support bars 3, and the upper end of each support bar 3 is hinged with the The Cloud Terrace 2 installed for camera probe 1 respectively; Each support bar 3 is respectively equipped with the acceleration transducer 5 detecting supporting role power size suffered by this support bar 3.
By arranging acceleration transducer on each support bar, making user can draw the holding capacity size of each support bar, to realize regulating the correspondence of each support bar, reaching the object of the The Cloud Terrace of bracing frame being carried out to accurate leveling.
As shown in Figure 4 and Figure 5, in the present embodiment, described acceleration transducer 5 comprises, be set in the sleeve pipe 51 of support bar 3 bottom, base plate 53 bottom overlapping casing tube 51, along the spring 52 that sleeve pipe 51 Axis Extension is arranged, the two ends of spring 52 are connected with base plate 53 with support bar 3 bottom respectively.
In the present embodiment, described acceleration transducer 5 also comprises, and is set in the pointer circle 55 of sleeve pipe 51 outer wall; Sleeve pipe 51 is provided with the open slot 54 along sleeve pipe 51 Axis Extension, is provided with the connecting rod 56 of horizontal-extending in open slot 54, and the two ends of connecting rod 56 are connected with in the middle part of pointer circle 55 and spring 52 respectively; The outer wall of sleeve pipe 51 is carved with along sleeve pipe 51 axis at equal intervals apart from the scale mark 57 arranged.
In the present embodiment, pointer circle 55 set on each support bar 3 is all located in same level height face.
Adopt the automatic regulative mode of bracing frame of the acceleration transducer of said structure as follows:
1, bracing frame opened and after installing, detect the scale mark indicated by pointer circle that each support bar is corresponding;
2, support bar highly lower for marked level indicated by pointer circle is elongated, and support bar highly higher for marked level indicated by pointer circle is shunk, the scale mark referring in sustained height to make the pointer circle of each support bar.
By arranging the acceleration transducer of said structure in the bottom of each support bar, make user can clearly judge each support bar bear the size of anchorage force, to realize the corresponding fine adjustment to each support bar, reach the object of the The Cloud Terrace of bracing frame being carried out to accurate degree leveling.
Embodiment two
As shown in Figures 1 to 9, this embodiment describes a kind of blower fan tower barrel inclinometric system, it comprises, bracing frame, is installed on the camera probe 1 on bracing frame; Described bracing frame comprises at least three support bars 3, and the upper end of each support bar 3 is hinged with the The Cloud Terrace 2 installed for camera probe 1 respectively; Each support bar 3 is made up of the two joint upper booms 31 of mutual sheathing and lower beam 32 respectively, is provided with the gear & rack structure of adjustable relative position between upper boom 31 and lower beam 32.
As shown in Figure 6, in the present embodiment, the lower end of upper boom 31 is provided with the slot 33 inserted for lower beam 32, and the side of slot 33 is provided with gear 35; Concaveconvex structure that the side on the lower beam 32 top axis direction be provided with along lower beam 32 extends, that form tooth bar 34, gear 35 is meshed with the tooth bar 34 that lower beam 32 is arranged.
In the present embodiment, the outer wall of upper boom 31 is installed with drive motor 36, the round end of drive motor 36 is meshed with 35.Thus, achieving the rotation number of axle by controlling drive motor, automatically regulating the object of support bar telescopic.
In the present embodiment, in order to improve the degree of accuracy of drive motor to support bar length adjustment, in the side of slot, multiple train of reduction gears be meshed successively is set, the input end gear of train of reduction gears is meshed with drive motor, and gear of output end is meshed with tooth bar (not indicating in the accompanying drawings).Thus, make drive motor more accurate to the regulating and controlling of support bar length.
As shown in Figure 7, in the present embodiment, gear 35 is meshed with rotary screw 37, arranges the rotating handles 38 rotated for user after one end of rotary screw 37 passes slot 33.Thus, make user can manual rotation rotary screw, realize the manual adjustments to support bar length, with the generation avoiding drive motor dead electricity situation lower support bar automatically cannot regulate length situation.
Embodiment three
This embodiment describes a kind of blower fan tower barrel inclinometric system, it comprises, bracing frame, is installed on the camera probe 1 on bracing frame; Described bracing frame comprises at least three support bars 3, the axis angle setting at equal intervals of the relative The Cloud Terrace 2 of axis of each support bar 3, and the axis of each support bar 3 is relative to the axis from up to down outward-dipping same angle of The Cloud Terrace 2.
As shown in Figures 1 to 3, in the present embodiment, bracing frame comprises four support bars 3, and the upper end of support bar 3 is hinged through hinge 11 and The Cloud Terrace 2 respectively, support bar can be produced relative to The Cloud Terrace and rotate, to realize the open and close of bracing frame.
In the present embodiment, described The Cloud Terrace 2 is made up of square sheet material, and four support bars 3 are along the symmetry arrangement of the diagonal line angle at equal intervals of square The Cloud Terrace 2.The lower end of The Cloud Terrace 2 is provided with that vertically protrude, that Monday, circle was arranged outside The Cloud Terrace baffle plate 21 downwards.Thus make in bracing frame opening procedure, each support bar contacts with baffle plate, make the open angle of each support bar all consistent, ensure that each support bar open angle of bracing frame is fixed, so that The Cloud Terrace carries out leveling.
Embodiment four
As shown in Figures 1 to 12, in the present embodiment, this embodiment describes a kind of blower fan tower barrel inclinometric system, it comprises, bracing frame, is installed on the camera probe 1 on bracing frame; Described bracing frame is provided with the horizontal stadimeter 8 measured with the spacing of tower cylinder, and the bearing compass 4 of positioning supporting frame level orientation.
As shown in Figure 10 to Figure 13, in the present embodiment, the method for above-mentioned blower fan tower barrel inclinometric system to tower cylinder inclination measurement is adopted to comprise the steps,
1), at a place, place at a distance of tower cylinder certain distance L tower cylinder is taken pictures, synthetic image a1, and the orientation a2 recording the relative tower cylinder of place A;
2), automatically orient next tower cylinder shooting places b, the orientation of the relative tower cylinder of this place b is b2, described b2 and a2 angle of being separated by is 90 degree, generates the image b1 that this place is corresponding;
3), image a1 with b1 compared respectively, judge to draw that tower cylinder is at tilt angle alpha 1 and the α 2 of the corresponding respectively relative vertical line of tower cylinder axis of place a and b place and the top of tower cylinder axis relative horizontal-shift distance a4 bottom it and b4;
4), according to following formula:
sinα
2＝sinα1
2+sinα2
2；
Draw the deviation angle α of tower cylinder.
By said method, user is made only to need to carry out taking pictures for twice to tower cylinder just to determine the angle of inclination of tower cylinder fast, to realize the object of quick, the accurate detection to tower cylinder angle of inclination.
As shown in Figure 10 to Figure 13, in the present embodiment, according to the direction of displacement c of above-mentioned measurement data determination tower cylinder, its step is as follows,
11), according to following formula:
tanβ＝a4
2+b4
2；
Draw deviation angle β;
12), judge in image b1, whether tower cylinder rolls tiltedly to place a; If so, as shown in figure 11, step 13 is performed); If not, as shown in figure 12, step 14 is performed);
13), judge that in image a1, which tower cylinder roll tiltedly to; If tilt to the left, then the direction of displacement c of tower cylinder offsets β to the left relative to the orientation a2 of place a; If tilt to the right, then the direction of displacement c of tower cylinder offsets β to the right relative to the orientation a2 of place a;
13), judge that in image a1, which tower cylinder roll tiltedly to; If tilt to the left, then the direction of displacement c of tower cylinder offsets 180 ° of-β to the left relative to the orientation a2 of place a; If tilt to the right, then the direction of displacement c of tower cylinder offsets 180 ° of-β to the right relative to the orientation a2 of place a.
By said method, user is made only to need to carry out taking pictures for twice to tower cylinder just to determine the direction of displacement of tower cylinder fast, to realize the object of quick, the accurate detection to tower cylinder inclination and offset orientation.
In the present embodiment, camera probe is all in same level At The Height when place a and b place take pictures.Camera probe is when place a and b place take pictures, and the supporting seat of camera probe is all horizontally disposed with, and makes the axis of camera probe identical with the angle of surface level; Preferably, the axis of camera probe parallels with surface level.Camera probe is when place a and b place take pictures, and the axis of camera probe and the bottom of tower cylinder axis are in same vertical plane.
By above-mentioned setting, camera probe is coaxially taken at level altitude face place and tower cylinder, to avoid the skew of camera probe, the generation of error condition is caused to measurement result.
In the present embodiment, by tower cylinder height H and following formula,
A4=tan α 1*H, b4=tan α 2*H combines;
Draw place a horizontal-shift distance a4 it bottom relative to the top of b place tower cylinder axis and b4 respectively.
In the present embodiment, place a and place b is identical L at a distance of the horizontal range of tower cylinder; Preferably, described distance L is greater than tower cylinder height H.Thus, make spot for photography and tower cylinder in a distance, avoid too closely causing the generation that cannot embody tower cylinder overall picture situation in shooting image.
In the present embodiment, in step 2) in, judge the vergence direction of tower cylinder in image a1; Place b is set to along tower cylinder vergence direction, offsets 90 degree of places relative to place a.By in step 2) in add this step, measuring system can directly be judged, and tower cylinder is left side to a place, place or right side skew, decreases the step detected the direction of displacement c of tower cylinder, measuring method is simplified.
In the present embodiment, after the deviation angle α of tower cylinder is greater than setting value, send alerting signal, and control blower fan and quit work; Preferably, described setting value is not less than 5 degree, is not more than 45 degree.Thus under avoiding the excessive situation in tower cylinder angle of inclination, the generation of blower fan still working order, to prevent the generation compared with major break down.
Embodiment five
As shown in Figures 1 to 9, this embodiment describes a kind of blower fan tower barrel inclinometric system, it comprises, bracing frame, is installed on the camera probe 1 on bracing frame; Described bracing frame comprises at least three support bars 3, and the upper end of each support bar 3 is hinged with the The Cloud Terrace 2 installed for camera probe 1 respectively; The upper surface of The Cloud Terrace 2 is provided with solar panels 7, and the bottom of The Cloud Terrace 2 is provided with connecting link 9, and connecting link 9 extends along the axis direction of The Cloud Terrace 2, and the bottom of connecting link 9 is provided with accumulator 6, and accumulator 6 is connected with the floating charge of solar panels 7 phase.
By above-mentioned setting, the electric power making measuring system that sun power can be utilized to produce carries out work, to realize object camera probe being provided to long period steady current; , solar panels are connected with the floating charge of accumulator phase meanwhile, with under the poor weather condition of intensity of illumination for measuring system provides the object of steady current.
In the present embodiment, each support bar 3 is made up of the two joint upper booms 31 of mutual sheathing and lower beam 32 respectively, the gear & rack structure of adjustable relative position is provided with between upper boom 31 and lower beam 32, the input end of gear & rack structure is meshed with drive motor 36, and described drive motor 36 is electrically connected with the output terminal of accumulator 6.Drive motor 36 is fixedly installed on the outer wall of upper boom 31, and the round end of drive motor 36 is meshed with the input gear of gear set.
In the present embodiment, described accumulator 6 is in flat column, and flat column accumulator 6, connecting link 9 and The Cloud Terrace 2 are all coaxially arranged.Described camera probe 1 is electrically connected with accumulator 6; And the circuit and solar panels 7 of camera probe 1 through being provided with switch are directly electrically connected.
By being lifted on below The Cloud Terrace by accumulator, make accumulator can provide the effect of counterweight to bracing frame, to improve the stability of bracing frame and anti-pourability.
In the present embodiment, described camera probe 1 is spherical in semicircle, and The Cloud Terrace 2 is made up of square sheet material; The spherical camera probe 1 of semicircle is located at The Cloud Terrace 2 center, and camera probe 1 and The Cloud Terrace 2 are coaxially arranged.
As shown in Figure 2, in the present embodiment, The Cloud Terrace 2 is made up of square sheet material; Camera probe 1 is spherical in semicircle, and camera probe 1 is located at The Cloud Terrace 2 center, and camera probe 1 and The Cloud Terrace 2 are coaxially arranged.The plane of the spherical camera probe 1 of semicircle is the bottom surface of installing that contacts with The Cloud Terrace 2, and the top of camera probe 1 is provided with the bearing compass 4 in positioning supporting frame orientation.
In the present embodiment, described bearing compass 4 is in the form of annular discs; Described bearing compass 4 horizontal positioned, and coaxially arrange with camera probe 1.Preferably, bearing compass 4 and the housing of camera probe 1 are formed in one part, and the two is fixed.By bearing compass and camera probe are shared a shell, make the installation of bearing compass comparatively firm, to improve the bulk strength of measuring equipment.
As shown in Figure 14 and Figure 15, in the present embodiment, the center of The Cloud Terrace 2 is provided with groove 22 that match with camera probe 1, that install for camera probe 1; The bottom of groove 22 is provided with at least two hole clippings 23, and the bottom of camera probe 1 is provided with correspondingly with hole clipping 23 mates the buckle 24 arranged, and camera probe 1 is connected and fixed mutually with The Cloud Terrace 2; Solar panels 7 are all equipped with above the The Cloud Terrace 2 of groove 22 outside.By arranging groove and buckle, making The Cloud Terrace and camera probe can realize quick clamping and installing, ensureing the installation speed that improve measuring system under the prerequisite of installing firm degree.
Embodiment six
This embodiment describes a kind of blower fan tower barrel inclinometric system, the difference of itself and above-described embodiment five is: as shown in Figure 8 and Figure 9, the middle part of each support bar 3 is respectively equipped with an assisted solar plate 10; Each assisted solar plate 10 is all connected with the floating charge of accumulator 6 phase.By respectively installing an assisted solar plate respectively additional on each support bar, to strengthen the generated output of measuring system power-supply unit, to reach the effect improving the supply current stability that power-supply unit provides.
In the present embodiment, sustained height face place is all located at by each assisted solar plate 10; The axis of assisted solar cell panel 10 parallels with the axis of support bar 3, and assisted solar plate 10 is mounted on upper boom 31.By being installed on upper boom by assisted solar plate, the position of the relative The Cloud Terrace of assisted solar is remained unchanged, so that the leveling of bracing frame; Meanwhile, support bar arranges assisted solar plate, to increase the deadweight of support bar, be reached for the effect that bracing frame provides counterweight.
Embodiment seven
As shown in Figure 2, this embodiment describes a kind of blower fan tower barrel incline measurement device, it comprises bracing frame, and bracing frame is provided with the camera probe 1 detecting tower cylinder angle of inclination; Bracing frame comprises at least three support bars 3; The upper end of each support bar 3 is hinged with the The Cloud Terrace 2 installed for camera 1 respectively; Bracing frame is also provided with the horizontal stadimeter 8 of horizontal range between detection and tower cylinder.
In the present embodiment, described The Cloud Terrace 2 is made up of horizontally disposed sheet material, and camera probe 1 is removably installed in above The Cloud Terrace 2, and the below of The Cloud Terrace 2 is located at by horizontal stadimeter 1.
As shown in Figure 16 and Figure 17, in the present embodiment, the bottom of The Cloud Terrace 1 is provided with the connecting link 9 vertically extended, the axes coincide of described connecting link 9 and The Cloud Terrace 2.Described horizontal stadimeter 8 horizontal positioned, the vertical axis place of horizontal stadimeter 8 is provided with the through hole 81 worn for connecting link 9; The middle part of connecting link 9 is provided with horizontally disposed pilot hole 91, is provided with pluggable ground register pin 92 in pilot hole 91, and the axial length of described register pin 92 is all greater than the diameter of through hole 81 and connecting link 9, makes horizontal stadimeter 8 be supported in above it by register pin 92.
By arranging register pin that is outwardly, pluggable setting on connecting link, horizontal stadimeter can be rotated around pitman shaft, and make that horizontal stadimeter is dismountable to be installed on connecting link.
As shown in Figure 2, in the present embodiment, the bottom of connecting link 9 is provided with dismountable balancing weight, and described balancing weight and connecting link 9 are coaxially arranged.Preferably, balancing weight is made up of the accumulator 6 of powering for camera probe 1.By arranging balancing weight on connecting link, the deadweight of bracing frame being increased, improves the overturning-preventing ability of bracing frame.
As shown in Figure 16 and Figure 17, in the present embodiment, be provided with the air level 12 measuring The Cloud Terrace 2 levelness at the upper surface of accumulator 6.Thus, making user by observing the situation of air level, analyzing the levelness of The Cloud Terrace, and fine adjustment is carried out to each support bar.Preferably, in order to ensure the levelness of bracing frame, in the periphery of accumulator at equal intervals angle be placed with at least three air levels (as shown in figure 17), to ensure that air level does not affect the levelness of The Cloud Terrace.
It should be noted that; above-mentioned specific embodiment is only exemplary; under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improve or distortion drops in protection scope of the present invention.
It will be understood by those skilled in the art that specific descriptions are above to explain object of the present invention, not for limiting the present invention.Protection scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. blower fan tower barrel tilt measuring method, is characterized in that: comprise the steps,
1), at a place, place at a distance of tower cylinder certain distance L tower cylinder is taken pictures, synthetic image a1, and the orientation a2 recording the relative tower cylinder of place A;
2), automatically orient next tower cylinder shooting places b, the orientation of the relative tower cylinder of this place b is b2, described b2 and a2 angle of being separated by is 90 degree, generates the image b1 that this place is corresponding;
3), image a1 with b1 is compared respectively, judge to draw tower cylinder at place a and b place tilt angle alpha 1 and the α 2 of the corresponding relative vertical line of tower cylinder axis on vertical projection face and the top of tower cylinder axis relative horizontal-shift distance a4 bottom it and b4 respectively;
4), according to following formula:
sinα
2＝sinα1
2+sinα2
2；
Draw the deviation angle α of tower cylinder.
2. blower fan tower barrel tilt measuring method according to claim 1, is characterized in that: according to the direction of displacement c of above-mentioned measurement data determination tower cylinder, its step is as follows,
11), according to following formula:
tanβ＝a4
2+b4
2；
Draw deviation angle β;
12), judge in image b1, whether tower cylinder rolls tiltedly to place a; If so, step 13 is performed); If not, step 14 is performed);
13), judge that in image a1, which tower cylinder roll tiltedly to; If tilt to the left, then the direction of displacement c of tower cylinder offsets β to the left relative to the orientation a2 of place a; If tilt to the right, then the direction of displacement c of tower cylinder offsets β to the right relative to the orientation a2 of place a;
13), judge that in image a1, which tower cylinder roll tiltedly to; If tilt to the left, then the direction of displacement c of tower cylinder offsets 180 ° of-β to the left relative to the orientation a2 of place a; If tilt to the right, then the direction of displacement c of tower cylinder offsets 180 ° of-β to the right relative to the orientation a2 of place a.
3. blower fan tower barrel tilt measuring method according to claim 1 and 2, is characterized in that: camera probe is all in same level At The Height when place a and b place take pictures.
4. blower fan tower barrel tilt measuring method according to claim 3, is characterized in that: camera probe is when place a and b place take pictures, and the supporting seat of camera probe is all horizontally disposed with, and makes the axis of camera probe identical with the angle of surface level.
5. blower fan tower barrel tilt measuring method according to claim 4, is characterized in that: camera probe is when place a and b place take pictures, and the axis of camera probe and the bottom of tower cylinder axis are in same vertical plane.
6. blower fan tower barrel tilt measuring method according to claim 1 and 2, is characterized in that: by tower cylinder height H and following formula,
A4=tan α 1*H, b4=tan α 2*H combines;
Draw place a horizontal-shift distance a4 it bottom relative to the top of b place tower cylinder axis and b4 respectively.
7. blower fan tower barrel tilt measuring method according to claim 1 and 2, is characterized in that: place a and place b is identical L at a distance of the horizontal range of tower cylinder;
Preferably, described distance L is greater than tower cylinder height H.
8. blower fan tower barrel tilt measuring method according to claim 1 and 2, is characterized in that: in step 2) in, judge the vergence direction of tower cylinder in image a1; Place b is set to along tower cylinder vergence direction, offsets 90 degree of places relative to place a.
9. blower fan tower barrel tilt measuring method according to claim 1 and 2, is characterized in that: after the deviation angle α of tower cylinder is greater than setting value, send alerting signal, and controls blower fan and quit work;
Preferably, described setting value is not less than 5 degree, is not more than 45 degree.
10. a blower fan tower barrel inclinometric system, is characterized in that: this system adopts the arbitrary described method of the claims 1 to 9 to measure tower cylinder angle of inclination and direction of displacement.
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