CN115790464B - Indoor large space horizontal detection device for building - Google Patents
Indoor large space horizontal detection device for building Download PDFInfo
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Abstract
The invention relates to the technical field of measurement, in particular to an indoor large-space horizontal detection device for a building. According to the invention, the large space is divided into a plurality of areas by arranging the plurality of brackets, the vertical height of the corresponding brackets is determined by collecting the positions of the bright spots of the light-transmitting plate, an operator can collect levelness information of the same path at the same time by only placing each bracket at a detection position and starting each ray emitter, manual recording of data is not needed, the detection precision is improved, errors caused by personnel recording are reduced, and the final display result is more accurate.
Description
Technical Field
The invention relates to the technical field of measurement, in particular to an indoor large-space horizontal detection device for a building.
Background
Along with the development of the building industry in China, the design requirements for the building are continuously improved in the modern building process, so that the building not only meets the traditional space use, but also provides more and higher requirements for space structural design, and based on the requirements, the building with large space can be applied to markets, operas and the like to meet the material culture requirements of people, but also can be applied to factories, and open offices meet the production requirements. In indoor detection of a large-space building, the detection of the levelness of the ground is an indispensable loop.
Chinese patent publication No.: CN111043493a discloses a horizontal measuring instrument for intelligent indoor design, including the base, the upper surface middle part of base is equipped with the fixed plate, and the upper portion of fixed plate is equipped with first sleeve, the lower part of first telescopic upper portion threaded connection lead screw, the upper portion threaded connection second sleeve of lead screw, the mounting panel is connected on the telescopic upper portion of second, and the upper portion of mounting panel is equipped with the rolling disc, and the upper portion of rolling disc is equipped with the spirit level body, four corners of base are equipped with the spout, spout sliding connection slider, and the upper portion of slider is equipped with the bottom plate, the left and right sides sliding connection gag lever post of bottom plate, and the lower extreme through connection of gag lever post sets up in the spacing hole of spout left and right sides, the roof is connected to the upper end of gag lever post.
The current large-space indoor building levelness detection is mainly realized by a multi-section detection mode, the indoor levelness is determined, the error is large, the precision is low, and personnel are required to record and analyze the data.
Disclosure of Invention
Therefore, the invention provides an indoor large-space horizontal detection device for a building, which is used for solving the problems of large error and low precision caused by horizontal detection of a large-space indoor through multi-section detection in the prior art.
In order to achieve the above object, the present invention provides an indoor large space level detecting device for construction, comprising,
the device comprises a plurality of fixing brackets, wherein a first slot and a second slot are arranged on the fixing brackets, and the first slot and the second slot can be respectively or simultaneously provided with a horizontal detection device;
the ray emitter is arranged in the first slot and can emit laser rays in the horizontal direction;
the light-transmitting plate is arranged in the second slot, a fluorescent layer is arranged on the surface of the light-transmitting plate, and laser rays irradiate on the light-transmitting plate to form bright spots at the transmission points;
the camera device is arranged on the fixed bracket and used for detecting the ordinate of the bright point of the light-transmitting plate;
a signal transmitter connected to the imaging device and capable of transmitting the detected ordinate;
the data processing module is connected with the signal transmitter through a wireless signal and can analyze the ordinate of the bright point on each fixed bracket and judge the levelness of the detection space; the data processing module can determine whether horizontal convex points or concave points exist or not by analyzing the ordinate of the detected bright spots, so that whether the levelness of the detection space reaches the standard or not is judged.
Further, the number of the fixed brackets is N, the length of the space distance to be detected is L, N=L/z+1, wherein z is the fixed bracket setting interval, and when the calculation result is not complete, the value of N is rounded by rounding; the fixing brackets are numbered according to the arrangement sequence and respectively marked as a first fixing bracket, a second fixing bracket, a third and an nth fixing bracket;
the data processing module is arranged on the first fixed support, and the ray emitter is also arranged on the first fixed support;
the light-transmitting plate is arranged on the 3b-1 th fixing support and the 3b fixing support;
the 3b+1 fixing bracket is simultaneously provided with the light-transmitting plate and the ray emitter;
if the nth fixed bracket is the 3b+1 th fixed bracket, the nth fixed bracket is only provided with a light-transmitting plate;
b is a positive integer;
the fixing brackets are arranged along a straight line at a placing interval z, and the light-transmitting plates arranged on the 3c+1 fixing bracket, the 3c+2 fixing bracket and the 3c+3 fixing bracket can be irradiated by the laser rays emitted by the ray emitter on the 3c fixing bracket;
if the value of N is rounded by five steps, the distance between the N-1 fixed bracket and the N fixed bracket is Z ', Z' =L- (N-1) x Z;
and the first fixed support is also provided with a digital display screen for displaying the detection result.
The first slot and the second slot are arranged in parallel, the light-transmitting plate can be directly inserted into the second slot, the ray emitter is inserted into the first slot through the ray plate, the back of the ray plate approaches to one side of the second slot, and the back of the ray plate is coated with a light absorption coating.
Further, determining a verification position, starting the ray emitter on the first fixed support, sequentially placing the second fixed support to the nth fixed support on the verification position, detecting the ordinate position of the bright spot irradiated on each light-transmitting plate by each camera device on each fixed support, transmitting the position to the data processing module through each signal transmitter, recording the ordinate of the bright spot on each fixed support, recording the ordinate of the bright spot on the second fixed support as Y2, recording the ordinate of the bright spot on the third fixed support as Y3, integrating the collected data by the data processing module, and generating an initial ordinate row matrix Y0, Y0= { Y2, Y3, and Yn }.
Further, placing each fixing support to a detection position, starting each ray emitter, collecting the ordinate of the bright spot on the corresponding light-transmitting plate by each camera device, transmitting the collected information to the data processing module, recording the collected data by the data processing module, recording the ordinate of the actual bright spot on the second fixing support as H2, the ordinate of the actual bright spot on the third fixing support as H3, and the ordinate of the actual bright spot on the nth fixing support as Hn; the data processing module integrates the acquired data to generate a detection ordinate row matrix H0, h0= { H2, H3..the, hn };
the data processing module performs matrix transformation on the initial ordinate row matrix Y0 and the detection ordinate row matrix H0 to generate a detection deviation value matrix C0,
C0=Y0-H0={Y2,Y3,...,Yn}-{H2,H3,...Hn}={C2,C3,...,Cn}，
wherein, C2 is second fixed bolster ordinate detection offset, C3 is third fixed bolster ordinate detection offset.
Further, a deviation value evaluation parameter cp is set in the data processing module, the data processing module compares the absolute value of the data in the detection deviation value matrix C0 with the deviation value evaluation parameter cp one by one, and detects a deviation value Ci, i=2, 3, n,
if |Ci| is not more than cp, the data processing module judges that the ordinate of the ith fixed bracket meets the horizontal requirement;
if |Ci| > cp, the data processing module judges that the ordinate of the ith fixed support does not meet the horizontal requirement, and the levelness of the position where the ith fixed support is positioned does not reach the standard.
Further, for the ith fixed bracket with the ordinate not meeting the horizontal requirement, the data processing module analyzes the ordinate of the front fixed bracket and the rear fixed bracket,
if three or more than three fixing brackets are continuously arranged and the vertical coordinates of the fixing brackets do not meet the horizontal requirement, the data processing module directly judges that the area where the fixing brackets with the vertical coordinates not meeting the horizontal requirement are in a levelness out-of-tolerance area;
if the continuous occurrence of the vertical coordinates of the fixed support does not meet the horizontal requirement or the continuous occurrence of the number of the vertical coordinates of the fixed support does not meet the horizontal requirement is two, the area where the fixed support which does not meet the horizontal requirement is located is subjected to key detection, and the specific area range which does not meet the horizontal requirement is determined.
Further, if the fixed brackets adjacent to the fixed brackets which do not meet the horizontal requirement, adjusting the position of each fixed bracket, adjusting the first fixed bracket to the i-1 th fixed bracket position, adjusting the N-th fixed bracket to the i+1 th fixed bracket position, and sequentially arranging the rest fixed brackets between the first fixed bracket and the N-th fixed bracket according to the sequence, wherein the spacing of each bracket is z ', z' =2z (N-1);
starting each ray emitter, each camera device collects the ordinate of the bright point on the corresponding light-transmitting plate, the collected information is transmitted to the data processing module, the data processing module records the collected data and generates a new detection ordinate row matrix H0', H0' = { H2', H3',..,
C0’=Y0-H0’={Y2,Y3,...,Yn}-{H2’,H3’,...Hn’}={C2’,C3’,...,Cn’}，
the data processing module compares the absolute value of the data in the detection deviation value matrix C0' with the deviation value evaluation parameter cp one by one, and determines the area which does not meet the level requirement in the detection space.
Further, if some and only two ordinate frames do not meet the horizontal requirement, setting the smaller-numbered fixed frame of the two frame frames as the ith fixed frame, adjusting the position of each fixed frame, adjusting the first fixed frame to the position of the ith-1 fixed frame, adjusting the Nth fixed frame to the position of the (i+2) th fixed frame, and arranging the rest fixed frames between the first fixed frame and the Nth fixed frame in sequence, wherein the space between the frames is z ', z' = 3 z/N-1;
starting each ray emitter, each camera device collects the ordinate of the bright point on the corresponding light-transmitting plate, the collected information is transmitted to the data processing module, the data processing module records the collected data and generates a new detection ordinate row matrix H0', H0' = { H2', H3', and the data processing module calculates and generates a detection deviation value matrix C0',
C0"=Y0-H0"={Y2,Y3,...,Yn}-{H2",H3",...Hn"}={C2",C3",...,Cn"}，
the data processing module compares the absolute value of the data in the detection deviation value matrix C0' with the deviation value evaluation parameter cp one by one, and determines the area which does not meet the level requirement in the detection space.
Further, if there is no ith fixed support whose ordinate meets the horizontal requirement, the data processing module calculates the fluctuation value Q of the detected ordinate,
Q=
wherein hp= = ->
，
The data processing module is internally provided with a fluctuation value evaluation parameter Qp,
if Q is less than or equal to Qp, the data processing module judges that the levelness of the detection space meets the standard;
if Q is more than Qp, the data processing module determines that the detection space has certain fluctuation.
Further, an individual fluctuation value evaluation parameter Pd is set in the data processing module, for a detection space with a certain fluctuation, the data processing module calculates the absolute value of the difference between the data and Hp in the detection ordinate row matrix H0 one by one, for the absolute value Pk of the difference between the Hk and Hp of the actual bright point ordinate on the kth fixed bracket, pk= -Hk-Hp, k=2, 3, the number of the absolute values of the difference between the Hk and Hp,
if Pk is less than or equal to Pd, judging that the ordinate of the detection point where the Kth fixed bracket is positioned has no fluctuation;
if Pk is larger than Pd, judging that the ordinate of the detection point where the Kth fixing support is located fluctuates, carrying out key detection on the area where the Kth-1 fixing support is located to the Kth+1 fixing support, and judging whether a levelness unqualified point exists or not.
Compared with the prior art, the invention has the beneficial effects that the large space is divided into a plurality of areas by arranging the plurality of brackets, the vertical height of the corresponding brackets is determined by collecting the positions of the bright spots of the light-transmitting plates, an operator can collect levelness information of the same path at the same time by only placing each bracket at a detection position and starting each ray emitter, manual recording is not needed, the detection precision is improved, the error caused by personnel recording is reduced, and the final display result is more accurate.
Furthermore, through coating fluorescent powder on the light-transmitting plate, the imaging device can clearly detect the ordinate of the bright point, meanwhile, after passing through a certain light-transmitting plate, part of emitted laser is absorbed by the fluorescent powder, and part of the emitted laser is reflected by the light-transmitting plate, so that certain loss exists in the laser, and therefore, a ray emitter is newly arranged from every three light-transmitting plates, the clarity of the laser on the light-transmitting plate is ensured, and the detection precision is improved; meanwhile, rays passing through the three light-transmitting plates are blocked by the ray plate to continuously advance, bright spots are prevented from being left on the follow-up light-transmitting plates by the rays, detection errors are formed, on the other hand, light-absorbing materials are smeared on the back of the ray plate, reflection of the rays is prevented from forming errors, only one bright spot on each light-transmitting plate is guaranteed, and then accuracy of detection results is guaranteed.
Further, by checking the initial ordinate of each bright point in advance, the difference between different fixed brackets is eliminated, so that the detection result is more accurate. And the difference value of the ordinate of the bright point and the ordinate of the check is judged one by one to obtain the horizontal height value of each detection point, so that whether the detection point meets the horizontal requirement is judged, and the accuracy of the detection result is improved.
Further, when the level requirements of a plurality of continuous detection points are not up to standard, the range of judging the failure is larger, the meaning of accurately searching is not great, the area where the points are directly judged to be out of tolerance, and the follow-up working treatment is carried out.
Further, when the continuous substandard detection points are located below two, the substandard range is smaller, and at the moment, the substandard range is subjected to key detection, and the specific substandard area range is determined, so that the development of later-stage work is facilitated.
Further, for the space in which all detection points meet the horizontal requirement, the degree of dispersion of the ordinate of the detection points is judged by integrally analyzing the fluctuation value of the ordinate, so that the levelness of the detection space is more accurate.
Drawings
FIG. 1 is a schematic view of a first fixing bracket in an embodiment;
FIG. 2 is a schematic view of the 3b-1 st fixing bracket and the 3 b-th fixing bracket in the embodiment;
fig. 3 is a schematic structural diagram of a 3b+1 fixing bracket according to an embodiment.
Description of the embodiments
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a first fixing bracket in an embodiment; FIG. 2 is a schematic view of the 3b-1 st fixing bracket and the 3 b-th fixing bracket in the embodiment; fig. 3 is a schematic structural diagram of a 3b+1 fixing bracket according to an embodiment.
The invention provides a horizontal detection device for a large indoor space for a building, which comprises,
the device comprises a fixed support 1, a plurality of fixing frames and a plurality of fixing frame, wherein a first slot 11 and a second slot 12 are arranged on the fixed support 1, and the first slot 11 and the second slot 12 can be respectively or simultaneously provided with a horizontal detection device;
a radiation emitter 2 which is disposed in the first slot 11 and is capable of emitting laser radiation in a horizontal direction;
a light-transmitting plate 3, which is arranged in the second slot 12, the surface of which is provided with a fluorescent layer, and the laser rays are irradiated on the light-transmitting plate to form bright spots at the transmitting points;
the camera device 4 is arranged on the fixed bracket 1 and is used for detecting the ordinate of the bright point of the light-transmitting plate;
a signal transmitter 5 connected to the camera 4 and capable of transmitting the detected ordinate;
the data processing module is connected with the signal transmitter through a wireless signal and can analyze the ordinate of the bright point on each fixed support 1 and judge the levelness of the detection space; the data processing module can determine whether horizontal convex points or concave points exist or not by analyzing the ordinate of the detected bright spots, so that whether the levelness of the detection space reaches the standard or not is judged.
Through setting up a plurality of supports and dividing into a plurality of regions with big space, through gathering the position of the bright spot of light-passing board, confirm its vertical height that corresponds the support, operating personnel only need place each support in the testing position to open each ray emitter, just can gather the levelness information of same route simultaneously, and need not artifical the recording to the data, both improved the precision that detects, reduced the error that personnel's record aroused again, make the final result of showing more accurate.
Further, the fixed support 1 is provided with N, the length of the space distance to be detected is L, N=L/z+ 1, wherein, z is the setting interval of the fixed bracket, and when the calculation result is not complete, the numerical value of N is rounded up by rounding; the fixing brackets are numbered according to the arrangement sequence and respectively marked as a first fixing bracket, a second fixing bracket, a third and an nth fixing bracket;
the data processing module is arranged on the first fixed support, and the ray emitter 2 is also arranged on the first fixed support;
the 3b-1 th fixing support and the 3b fixing support are provided with the light-transmitting plate 3;
the 3b+1 fixing bracket is simultaneously provided with the light-transmitting plate 3 and the ray emitter 2;
if the nth fixed bracket is the 3b+1 th fixed bracket, the nth fixed bracket is only provided with the light-transmitting plate 3;
b is a positive integer;
the fixing brackets are arranged along a straight line at a placing interval z, and the light-transmitting plates arranged on the 3c+1 fixing bracket, the 3c+2 fixing bracket and the 3c+3 fixing bracket can be irradiated by the laser rays emitted by the ray emitter on the 3c fixing bracket;
if the value of N is rounded by five steps, the distance between the N-1 fixed bracket and the N fixed bracket is Z ', Z' =L- (N-1) x Z;
the first fixing support is further provided with a digital display screen 6 for displaying detection results, and the data processing module is arranged in a shell of the digital display screen 6.
The first slot and the second slot are arranged in parallel, the light-transmitting plate can be directly inserted into the second slot, the ray emitter is inserted into the first slot through the ray plate 21, the back of the ray plate 21 approaches to one side of the second slot, and the back of the ray plate is coated with a light absorption coating.
Through coating fluorescent powder on the light-transmitting plate, the imaging device can clearly detect the ordinate of the bright point, meanwhile, after passing through a certain light-transmitting plate, part of emitted laser is absorbed by the fluorescent powder, and part of the emitted laser is reflected by the light-transmitting plate, so that certain loss exists in the laser, and therefore, a ray emitter is newly arranged from every three light-transmitting plates, the clarity of the laser on the light-transmitting plate is ensured, and the detection precision is improved; meanwhile, rays passing through the three light-transmitting plates are blocked by the ray plate to continuously advance, bright spots are prevented from being left on the follow-up light-transmitting plates by the rays, detection errors are formed, on the other hand, light-absorbing materials are smeared on the back of the ray plate, reflection of the rays is prevented from forming errors, only one bright spot on each light-transmitting plate is guaranteed, and then accuracy of detection results is guaranteed.
Further, determining a verification position, starting the ray emitter on the first fixed support, sequentially placing the second fixed support to the nth fixed support on the verification position, detecting the ordinate position of the bright spot irradiated on each light-transmitting plate by each camera device on each fixed support, transmitting the position to the data processing module through each signal transmitter, recording the ordinate of the bright spot on each fixed support, recording the ordinate of the bright spot on the second fixed support as Y2, recording the ordinate of the bright spot on the third fixed support as Y3, integrating the collected data by the data processing module, and generating an initial ordinate row matrix Y0, Y0= { Y2, Y3, and Yn }.
By checking the initial ordinate of each bright point in advance, the difference between different fixed brackets is eliminated, so that the detection result is more accurate.
Further, placing each fixing support to a detection position, starting each ray emitter, collecting the ordinate of the bright spot on the corresponding light-transmitting plate by each camera device, transmitting the collected information to the data processing module, recording the collected data by the data processing module, recording the ordinate of the actual bright spot on the second fixing support as H2, the ordinate of the actual bright spot on the third fixing support as H3, and the ordinate of the actual bright spot on the nth fixing support as Hn; the data processing module integrates the acquired data to generate a detection ordinate row matrix H0, h0= { H2, H3..the, hn };
the data processing module performs matrix transformation on the initial ordinate row matrix Y0 and the detection ordinate row matrix H0 to generate a detection deviation value matrix C0,
C0=Y0-H0={Y2,Y3,...,Yn}-{H2,H3,...Hn}={C2,C3,...,Cn}，
wherein, C2 is second fixed bolster ordinate detection offset, C3 is third fixed bolster ordinate detection offset.
Further, a deviation value evaluation parameter cp is set in the data processing module, the data processing module compares the absolute value of the data in the detection deviation value matrix C0 with the deviation value evaluation parameter cp one by one, and detects a deviation value Ci, i=2, 3, n,
if |Ci| is not more than cp, the data processing module judges that the ordinate of the ith fixed bracket meets the horizontal requirement;
if |Ci| > cp, the data processing module judges that the ordinate of the ith fixed support does not meet the horizontal requirement, and the levelness of the position where the ith fixed support is positioned does not reach the standard.
And the difference value of the ordinate of the bright point and the ordinate of the check is judged one by one to obtain the horizontal height value of each detection point, so that whether the detection point meets the horizontal requirement is judged, and the accuracy of the detection result is improved.
Further, for the ith fixed bracket with the ordinate not meeting the horizontal requirement, the data processing module analyzes the ordinate of the front fixed bracket and the rear fixed bracket,
if three or more than three fixing brackets are continuously arranged and the vertical coordinates of the fixing brackets do not meet the horizontal requirement, the data processing module directly judges that the area where the fixing brackets with the vertical coordinates not meeting the horizontal requirement are in a levelness out-of-tolerance area;
if the continuous occurrence of the vertical coordinates of the fixed support does not meet the horizontal requirement or the continuous occurrence of the number of the vertical coordinates of the fixed support does not meet the horizontal requirement is two, the area where the fixed support which does not meet the horizontal requirement is located is subjected to key detection, and the specific area range which does not meet the horizontal requirement is determined.
When the level requirements of a plurality of continuous detection points are not up to standard, the range of judging the failure to be up to standard is larger, the meaning of accurately searching is not great at the moment, the area where the points are directly judged to be out of tolerance, and the follow-up working treatment is carried out.
Further, if the fixed brackets adjacent to the fixed brackets which do not meet the horizontal requirement, adjusting the position of each fixed bracket, adjusting the first fixed bracket to the i-1 th fixed bracket position, adjusting the N-th fixed bracket to the i+1 th fixed bracket position, and sequentially arranging the rest fixed brackets between the first fixed bracket and the N-th fixed bracket according to the sequence, wherein the spacing of each bracket is z ', z' =2z (N-1);
starting each ray emitter, each camera device collects the ordinate of the bright point on the corresponding light-transmitting plate, the collected information is transmitted to the data processing module, the data processing module records the collected data and generates a new detection ordinate row matrix H0', H0' = { H2', H3',..,
C0’=Y0-H0’={Y2,Y3,...,Yn}-{H2’,H3’,...Hn’}={C2’,C3’,...,Cn’}，
the data processing module compares the absolute value of the data in the detection deviation value matrix C0' with the deviation value evaluation parameter cp one by one, and determines the area which does not meet the level requirement in the detection space.
Further, if some and only two ordinate frames do not meet the horizontal requirement, setting the smaller-numbered fixed frame of the two frame frames as the ith fixed frame, adjusting the position of each fixed frame, adjusting the first fixed frame to the position of the ith-1 fixed frame, adjusting the Nth fixed frame to the position of the (i+2) th fixed frame, and arranging the rest fixed frames between the first fixed frame and the Nth fixed frame in sequence, wherein the space between the frames is z ', z' = 3 z/N-1;
starting each ray emitter, each camera device collects the ordinate of the bright point on the corresponding light-transmitting plate, the collected information is transmitted to the data processing module, the data processing module records the collected data and generates a new detection ordinate row matrix H0', H0' = { H2', H3', and the data processing module calculates and generates a detection deviation value matrix C0',
C0"=Y0-H0"={Y2,Y3,...,Yn}-{H2",H3",...Hn"}={C2",C3",...,Cn"}，
the data processing module compares the absolute value of the data in the detection deviation value matrix C0' with the deviation value evaluation parameter cp one by one, and determines the area which does not meet the level requirement in the detection space.
When the continuous substandard detection points are below two, the substandard range is smaller, and at the moment, the substandard range is subjected to key detection, and the specific substandard area range is determined, so that the development of later-stage work is facilitated.
Further, if there is no ith fixed support whose ordinate meets the horizontal requirement, the data processing module calculates the fluctuation value Q of the detected ordinate,
Q=
wherein hp= = ->
，
The data processing module is internally provided with a fluctuation value evaluation parameter Qp,
if Q is less than or equal to Qp, the data processing module judges that the levelness of the detection space meets the standard;
if Q is more than Qp, the data processing module determines that the detection space has certain fluctuation.
For the space in which all the detection points meet the horizontal requirement, the discrete degree of the ordinate of the detection point is judged by integrally analyzing the fluctuation value of the ordinate, so that the levelness of the detection space is more accurate.
Further, an individual fluctuation value evaluation parameter Pd is set in the data processing module, for a detection space with a certain fluctuation, the data processing module calculates the absolute value of the difference between the data and Hp in the detection ordinate row matrix H0 one by one, for the absolute value Pk of the difference between the Hk and Hp of the actual bright point ordinate on the kth fixed bracket, pk= -Hk-Hp, k=2, 3, the number of the absolute values of the difference between the Hk and Hp,
if Pk is less than or equal to Pd, judging that the ordinate of the detection point where the Kth fixed bracket is positioned has no fluctuation;
if Pk is larger than Pd, judging that the ordinate of the detection point where the Kth fixing support is located fluctuates, carrying out key detection on the area where the Kth-1 fixing support is located to the Kth+1 fixing support, and judging whether a levelness unqualified point exists or not.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
Claims (4)
1. An indoor large-space horizontal detection device for a building is characterized by comprising,
the device comprises a plurality of fixing brackets, wherein a first slot and a second slot are arranged on the fixing brackets, and the first slot and the second slot can be respectively or simultaneously provided with a horizontal detection device;
the ray emitter is arranged in the first slot and can emit laser rays in the horizontal direction;
the light-transmitting plate is arranged in the second slot, a fluorescent layer is arranged on the surface of the light-transmitting plate, and laser rays irradiate on the light-transmitting plate to form bright spots at the transmission points;
the camera device is arranged on the fixed bracket and used for detecting the ordinate of the bright point of the light-transmitting plate;
a signal transmitter connected to the imaging device and capable of transmitting the detected ordinate;
the data processing module is connected with the signal transmitter through a wireless signal and can analyze the ordinate of the bright point on each fixed bracket and judge the levelness of the detection space; the data processing module can determine whether horizontal convex points or concave points exist or not by analyzing the vertical coordinates of the detected bright points, so as to judge whether the levelness of the detection space meets the standard or not;
the number of the fixed brackets is N, the length of the space distance to be detected is L, N=L/z+1, wherein z is the set distance of the fixed brackets, and when the calculation result is not complete, the value of N is rounded by rounding; the fixing brackets are numbered according to the arrangement sequence and respectively marked as a first fixing bracket, a second fixing bracket, a third and an nth fixing bracket;
the data processing module is arranged on the first fixed support, and the ray emitter is also arranged on the first fixed support;
the light-transmitting plate is arranged on the 3b-1 th fixing support and the 3b fixing support;
the 3b+1 fixing bracket is simultaneously provided with the light-transmitting plate and the ray emitter;
if the nth fixed bracket is the 3b+1 th fixed bracket, the nth fixed bracket is only provided with a light-transmitting plate;
b is a positive integer;
the fixing brackets are arranged along a straight line at a placing interval z, and the light-transmitting plates arranged on the 3c+1 fixing bracket, the 3c+2 fixing bracket and the 3c+3 fixing bracket can be irradiated by the laser rays emitted by the ray emitter on the 3c fixing bracket;
if the value of N is rounded by five steps, the distance between the N-1 fixed bracket and the N fixed bracket is Z ', Z' =L- (N-1) x Z;
the first fixed support is also provided with a digital display screen for displaying the detection result;
the first slot and the second slot are arranged in parallel, the light-transmitting plate can be directly inserted into the second slot, the ray emitter is inserted into the first slot through the ray plate, the back of the ray plate approaches to one side of the second slot, and the back of the ray plate is coated with a light absorption coating;
checking each fixed support provided with the light-transmitting plate, fixedly placing the first fixed support, determining a checking position, starting the ray emitter on the first fixed support, sequentially placing the second fixed support to the nth fixed support on the checking position, detecting the ordinate position of the bright spot irradiated on each light-transmitting plate by each camera device on each fixed support, transmitting the position to the data processing module through each signal transmitter, recording the ordinate of the bright spot on each fixed support, recording the ordinate of the bright spot on the second fixed support as Y2, recording the ordinate of the bright spot on the third fixed support as Y3, integrating the acquired data by the data processing module to generate an initial ordinate row matrix Y0, Y0= { Y2, Y3, yn };
placing the fixing brackets to detection positions, starting the ray transmitters, collecting the ordinate of the bright spots on the corresponding light-transmitting plates by the camera devices, transmitting the collected information to the data processing module, recording the collected data by the data processing module, recording the ordinate of the actual bright spots on the second fixing bracket as H2, the ordinate of the actual bright spots on the third fixing bracket as H3, and the ordinate of the actual bright spots on the Nth fixing bracket as Hn; the data processing module integrates the acquired data to generate a detection ordinate row matrix H0, h0= { H2, H3..the, hn };
the data processing module performs matrix transformation on the initial ordinate row matrix Y0 and the detection ordinate row matrix H0 to generate a detection deviation value matrix C0,
C0=Y0-H0={Y2,Y3,...,Yn}-{H2,H3,...Hn}={C2,C3,...,Cn}，
wherein C2 is the second fixed bracket ordinate detection offset value, C3 is the third fixed bracket ordinate detection offset value,..cn is the nth fixed bracket ordinate detection offset value;
the data processing module is internally provided with a deviation value evaluation parameter cp, the data processing module compares the absolute value of the data in the detection deviation value matrix C0 with the deviation value evaluation parameter cp one by one, and the detection deviation value Ci is detected for the ordinate of the ith fixed bracket, i=2, 3, and n,
if |Ci| is not more than cp, the data processing module judges that the ordinate of the ith fixed bracket meets the horizontal requirement;
if |Ci| > cp, the data processing module judges that the ordinate of the ith fixed bracket does not meet the horizontal requirement, and the levelness of the position where the ith fixed bracket is positioned does not reach the standard;
if the ith fixed bracket with the ordinate meeting the horizontal requirement does not exist, the data processing module calculates the fluctuation value Q of the detected ordinate,
Q=
wherein hp= = ->
The data processing module is internally provided with a fluctuation value evaluation parameter Qp,
if Q is less than or equal to Qp, the data processing module judges that the levelness of the detection space meets the standard;
if Q is more than Qp, the data processing module judges that the detection space has certain fluctuation;
the data processing module is internally provided with an independent fluctuation value evaluation parameter Pd, for a detection space with certain fluctuation, the data processing module calculates the absolute value of the difference value between data and Hp in a detection ordinate row matrix H0 one by one, for the absolute value Pk of the difference value between Hk and Hp of the actual bright point ordinate on a Kth fixed bracket, pk= -i Hk-Hp, K = 2,3, the number of the difference values of Hk and Hp,
if Pk is less than or equal to Pd, judging that the ordinate of the detection point where the Kth fixed bracket is positioned has no fluctuation;
if Pk is larger than Pd, judging that the ordinate of the detection point where the Kth fixing support is located fluctuates, carrying out key detection on the area where the Kth-1 fixing support is located to the Kth+1 fixing support, and judging whether a levelness unqualified point exists or not.
2. The indoor large space horizontal detecting device for building according to claim 1, wherein,
for the ith fixed bracket with the ordinate not meeting the horizontal requirement, the data processing module analyzes the ordinate of the front fixed bracket and the rear fixed bracket,
if three or more than three fixing brackets are continuously arranged and the vertical coordinates of the fixing brackets do not meet the horizontal requirement, the data processing module directly judges that the area where the fixing brackets with the vertical coordinates not meeting the horizontal requirement are in a levelness out-of-tolerance area;
if the continuous occurrence of the vertical coordinates of the fixed support does not meet the horizontal requirement or the continuous occurrence of the number of the vertical coordinates of the fixed support does not meet the horizontal requirement is two, the area where the fixed support which does not meet the horizontal requirement is located is subjected to key detection, and the specific area range which does not meet the horizontal requirement is determined.
3. The indoor large space horizontal detecting device for building according to claim 2, wherein,
if the vertical coordinates of the fixed brackets do not meet the horizontal requirements, the positions of the fixed brackets are adjusted, the first fixed bracket is adjusted to the position of the ith-1 fixed bracket, the Nth fixed bracket is adjusted to the position of the (i+1) th fixed bracket, the rest fixed brackets are sequentially arranged between the first fixed bracket and the Nth fixed bracket according to the sequence, and the intervals of the brackets are z ', z' =2z/N-1;
starting each ray emitter, each camera device collects the ordinate of the bright point on the corresponding light-transmitting plate, the collected information is transmitted to the data processing module, the data processing module records the collected data and generates a new detection ordinate row matrix H0', H0' = { H2', H3',..,
C0’=Y0-H0’={Y2,Y3,...,Yn}-{H2’,H3’,...Hn’}={C2’,C3’,...,Cn’}，
the data processing module compares the absolute value of the data in the detection deviation value matrix C0' with the deviation value evaluation parameter cp one by one, and determines the area which does not meet the level requirement in the detection space.
4. The indoor large space horizontal detecting device for building according to claim 3, wherein,
if some and only two vertical coordinates do not meet the horizontal requirement, setting the smaller-numbered fixed support in the two supports as an ith fixed support, adjusting the position of each fixed support, adjusting the first fixed support to the position of the ith-1 fixed support, adjusting the Nth fixed support to the position of the (i+2) th fixed support, and arranging the rest fixed supports between the first fixed support and the Nth fixed support in sequence, wherein the distance between the supports is z ', z' =3z/N-1;
starting each ray emitter, each camera device collects the ordinate of the bright point on the corresponding light-transmitting plate, the collected information is transmitted to the data processing module, the data processing module records the collected data and generates a new detection ordinate row matrix H0', H0' = { H2', H3', and the data processing module calculates and generates a detection deviation value matrix C0',
c0 "= Y0-H0" = { Y2, Y3, yn } { H2", H3",. And. Hn "} = { C2", C3",. And Cn" }, and the data processing module compares the absolute value of the data in the detection deviation value matrix C0 "with the deviation value evaluation parameter cp one by one, and determines the area in the detection space which does not meet the level requirement.
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Inventor after: Li Fuyong Inventor after: Wang Boming Inventor after: Guo Xiangyang Inventor after: Chen Jingyu Inventor after: Liu Pengcheng Inventor after: Han Jianqiao Inventor after: Yin Hao Inventor after: Zhang Mengmeng Inventor after: Tian Lu Inventor before: Li Fuyong Inventor before: Wang Boming Inventor before: Guo Xiangyang Inventor before: Chen Jingyu Inventor before: Liu Pengcheng Inventor before: Han Jianqiao Inventor before: Yin Hao Inventor before: Zhang Mengmeng Inventor before: Tian Lu |