CN111024035A - Novel laser swinger and method for measuring top plate range - Google Patents
Novel laser swinger and method for measuring top plate range Download PDFInfo
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- CN111024035A CN111024035A CN201911375857.0A CN201911375857A CN111024035A CN 111024035 A CN111024035 A CN 111024035A CN 201911375857 A CN201911375857 A CN 201911375857A CN 111024035 A CN111024035 A CN 111024035A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
Abstract
The invention relates to a novel laser swinger and a method for measuring the pole difference of a top plate. It includes base and casing, be provided with the carousel on the base, the carousel rotates to be connected on the base, carousel and casing fixed connection, be connected with the fine motion knob on the carousel, the lateral wall top of casing is provided with the fixed plate, the vertical setting of fixed plate, be provided with the axis of rotation on the lateral wall of fixed plate, axis of rotation perpendicular to fixed plate level sets up, the rotatory laser emitter of fixedly connected with in the axis of rotation, rotatory laser emitter passes through the axis of rotation and rotates and connect on the fixed plate, be connected with braking spiral and fine setting spiral on the rotatory laser emitter, the inside PCB board that is provided with of casing, be provided with the calculating unit on the PCB board, memory cell, wireless transmission unit and switch unit, signal connection between each unit, be provided with laser ray in the. The invention can automatically measure the top plate range, has very convenient operation and saves time and labor cost.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a novel laser swinger and a method for measuring the top plate range.
Background
The laser leveling instrument is an instrument which is driven by a quick rotating shaft to enable a visible laser point (generally having red light and green light) to sweep out light rays with the same leveling height, and is convenient for engineering personnel to position the leveling height. The building block is widely applied to construction work such as building construction, indoor decoration and the like in daily life. The working principle of the laser swinger is as follows: the laser beam emitted by the laser diode passes through the objective lens to obtain a laser beam, the laser beam is divided into two beams of light after passing through the pentagonal prism, one beam of light directly passes through the other beam of light, the other beam of light changes the direction of 90 degrees, and the rotating head of the instrument is driven by a motor through a belt to rotate so as to form a scanned laser plane.
In the building construction process, people often comprehensively reflect the flatness of the concrete top plate in the same room through the measurement of the extreme difference of the top plate. When in measurement, a laser swinger (taking the laser swinger with the model number of YGL01 as an example) and a tape measure (or distance measuring instruments such as a running rule) are needed, and required data are obtained through manual repeated measurement and calculation, so that the operation is very inconvenient, and time and labor are wasted.
Disclosure of Invention
The invention aims to provide a novel laser swinger and a method for measuring the top plate range.
The invention discloses a novel laser swinger, which comprises a base and a shell, wherein a turntable is arranged on the base and connected to the base, the turntable is fixedly connected with the shell, a micro-motion knob is connected to the turntable, the top of the outer side wall of the shell is provided with a fixed plate, the fixed plate is vertically arranged, the side wall of the fixed plate is provided with a rotating shaft, the rotating shaft is horizontally arranged perpendicular to the fixed plate and is fixedly connected with a rotating laser emitter, the rotating laser emitter is rotatably connected on the fixed plate through the rotating shaft, the rotating laser emitter is connected with a braking screw and a fine tuning screw, the PCB board is arranged in the shell, the calculating unit, the storage unit, the wireless transmission unit and the switch unit are arranged on the PCB board, the units are connected by signals, and a laser ray receiving target is arranged in the shell and is in signal connection with the storage unit.
Preferably, a first laser emitter is installed on the rotary table and located inside the shell, a second laser emitter is arranged in the shell and opposite to the first laser emitter, and the second laser emitter and the first laser emitter are located on the same horizontal line.
Preferably, the wireless transmission unit comprises a bluetooth transmitting unit and a bluetooth receiving unit, the bluetooth transmitting unit is arranged on the PCB, and the bluetooth receiving unit is installed at the receiving terminal.
Preferably, the receiving terminal is a liquid crystal display module arranged in the shell, the liquid crystal display module comprises a liquid crystal display unit arranged on the PCB and a liquid crystal display screen embedded on the side wall of the shell, the liquid crystal display screen is in signal connection with the liquid crystal display unit,
preferably, the receiving terminal can also be a mobile phone or a computer.
Preferably, the shell is provided with a control panel, the control panel comprises a power switch key, a storage key, a calculation key, a sending key and a retest key, keys on the control panel are respectively in signal connection with the units on the PCB, the control panel is located at the top of the shell, and the control panel and the rotary laser transmitter are separated by a proper vertical height.
Preferably, the power switch key comprises a main switch key, a first laser transmitter power key, a second laser transmitter power key and a rotary laser transmitter power key.
The invention also discloses a method for measuring the top plate range, which is based on the laser swinger and comprises the following steps:
s1: pressing the main switch key to connect a power supply, then pressing a power supply key of a laser emitter, rotating the turntable and adjusting the micro-motion knob, enabling laser emitted by the laser emitter to become a horizontal fan-shaped laser surface through visible light, wherein a strong light spot is arranged in the fan-shaped surface, namely a real laser ray points to the position, then pressing the power supply key of the rotary laser emitter, rotating the rotary laser emitter and adjusting the fine tuning screw to enable the rotary laser emitter to emit a laser ray to irradiate one to-be-measured point of the top plate, and then rotating the brake screw to fix the direction of the rotary laser emitter;
s2: the laser ray receiving target can acquire the vertical distance between the two points, and the storage unit can record the vertical distance between the two points when a storage key is pressed;
s3: measuring the vertical distances between the 5 points to be measured and the laser points emitted by the first laser emitter in sequence by the same method and recording the vertical distances in a storage unit;
s4: when a calculation key is pressed down, the calculation unit works to calculate the top plate range;
s5: pressing a sending key, sending the calculated top plate range data by the Bluetooth sending unit, and displaying the data by the receiving terminal through the Bluetooth receiving unit;
s6: when the measured data information is incorrect or misoperation occurs, a retest key is pressed, and data is deleted for retesting.
Preferably, the method for measuring the room opening distance comprises the following steps:
s11: pressing the main switch key to connect a power supply, then pressing a first power supply key of the laser transmitter and a second power supply key of the laser transmitter, rotating the turntable and adjusting the micro-motion knob to enable the first laser transmitter and the second laser transmitter to respectively send two beams of laser with opposite directions to two opposite wall plates, and respectively forming a laser spot on the two wall plates;
s22: the laser ray receiving target collects the distance between two points, and the storage unit records the distance between the two points when a storage key is pressed;
s33: sequentially measuring multiple groups of data by the same method and recording the data in a storage unit;
s44: the calculation key is pressed down, the calculation unit works, and the room opening distance can be calculated;
s55: pressing a sending key, sending the calculated room opening distance data by the Bluetooth sending unit, and displaying the data by the receiving terminal through the Bluetooth receiving unit;
s66: when the measured data information is incorrect or misoperation occurs, a retest key is pressed, and data is deleted for retesting.
In conclusion, the beneficial technical effects of the invention are as follows:
through the combination of the rotary laser transmitter, the calculating unit and the storage unit, the extreme difference of the top plate can be automatically measured, the operation is very convenient, the time and the labor cost are saved, in addition, the data can be sent to the receiving terminal through the wireless transmission unit, the Excel form or the common document can be automatically generated, and the automatic recording is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic diagram showing the structure of a second laser emitter;
FIG. 4 is a schematic view showing the structure of the control panel;
FIG. 5 is a schematic view of a top plate range measurement point location;
FIG. 6 is a flow chart of the principle of operation of the laser swinger;
FIG. 7 is a signal connection diagram of a liquid crystal display unit;
FIG. 8 is a signal connection diagram of a memory cell;
FIG. 9 is a signal connection diagram of the main power switch;
FIG. 10 is a signal connection diagram of the control panel;
FIG. 11 is a signal connection diagram of a computing unit;
fig. 12 is a signal connection diagram of a bluetooth transmission unit;
fig. 13 is a signal connection diagram of the bluetooth reception unit.
In the figure, 1, a base; 11. a support leg; 12. a turntable; 121. a micro-motion knob; 2. a housing; 3. a fixing plate; 31. a rotating shaft; 32. braking the screw; 33. fine adjustment of the screw; 4. rotating the laser transmitter; 5. a PCB board; 51. a calculation unit; 52. a storage unit; 53. a wireless transmission unit; 531. a Bluetooth transmitting unit; 532. a Bluetooth receiving unit; 54. a switch unit; 6. a laser ray receiving target; 71. a liquid crystal display unit; 72. a liquid crystal display screen; 81. a power switch key; 811. a master on-off key; 812. the laser transmitter is provided with a power key; 813. a second power key of the laser transmitter; 814. rotating a power key of the laser transmitter; 82. a storage key; 83. a calculation key; 84. a send key; 85. retesting the key; 9. a first laser emitter; 92. a second laser emitter; 93. and (4) a window.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 5, when measuring the range of the top plate, it is necessary to select 4 corner points at a position about 30cm from the crown line of the top plate in the same measured area, and a geometric center position of the plate span (if the span of a single side of the plate is large, 1 measuring point can be added at the center position), and then, a horizontal reference line is marked in the measured plate span by using a laser scanner. 5 vertical distances between the 5 measuring points and the horizontal reference line are measured respectively. And calculating the deviation between the other four points and the lowest point by taking the lowest point as a reference point. The measured point is qualified when the deviation value is less than or equal to 15 mm; when the maximum deviation value is less than or equal to 20mm, the actual values of 5 deviation values (the deviation value of the reference point is counted by 0) are used as 5 calculation points for judging the qualified rate of the actual measurement index. And when the maximum deviation value is larger than 20mm, taking 5 deviation values as 5 calculation points for judging the qualification rate of the actual measurement index according to the maximum deviation value.
Referring to fig. 1, the novel laser swinger disclosed by the invention comprises a base 1 and a housing 2, wherein the bottom of the base 1 is provided with three support legs 11. The upper end of the base 1 is provided with a turntable 12, the turntable 12 is connected to the base 1, and the turntable 12 is of a structure similar to that of a laser swinger of type YGL 01. The housing 2 is fixedly connected to the turntable 12, and when the turntable 12 is rotated, the housing 2 rotates along with the turntable. The rotary disc 12 is connected with a fine motion knob 121, and the fine motion knob 121 is used for adjusting the rotary disc 12 to rotate within a small range. The lateral wall top of casing 2 is provided with fixed plate 3, and fixed plate 3 has two, and two fixed plate 3 vertical settings relatively all are provided with the bearing on the lateral wall of two fixed plates 3, wear to be equipped with axis of rotation 31 in the bearing, and axis of rotation 31 perpendicular to fixed plate 3 level sets up. One end fixedly connected with rotary laser emitter 4 that fixed plate 3 was kept away from to axis of rotation 31, axis of rotation 31 is connected in rotary laser emitter 4's lateral wall one end, and rotary laser emitter 4 rotates through axis of rotation 31 and connects on fixed plate 3. Rotating the rotary laser transmitter 4, the rotary laser transmitter 4 rotates together with the rotary shaft 31. The fixed plate 3 is provided with a brake screw 32 and a fine tuning screw 33, and both the brake screw 32 and the fine tuning screw 33 are connected with the rotary laser emitter 4. The fine adjustment screw 33 is used to adjust the rotation angle of the rotating laser transmitter 4 within a small range, making the measurement more accurate. After adjustment, the brake screw 32 is used to fix the rotating laser transmitter 4.
Referring to fig. 1 and 2, a PCB 5 is fixedly disposed inside the housing 2, and a computing unit 51, a storage unit 52, a wireless transmission unit 53 and a switch unit 54 are embedded on the PCB 5, and are connected with each other by signals. The single-chip microcomputer model of the calculation unit 51 is: STM32F103C8T6, memory element 52's singlechip model is: STM32F103C8T6, the singlechip model of switch unit 54 is: ETA6002, still be provided with laser ray in the casing 2 and receive target 6, laser ray receives target 6 and memory cell 52 signal connection, and the singlechip model that laser ray received target 6 is: MXA 2500E. The wireless transmission unit 53 includes a bluetooth transmission unit 531 and a bluetooth reception unit 532, the bluetooth transmission unit 531 being disposed on the PCB board 5, and the bluetooth reception unit 532 being mounted on the reception terminal. The type of the single chip microcomputer of the bluetooth sending unit 531 is as follows: the model of the single chip microcomputer of the USR-BLE102 and the Bluetooth receiving unit 532 is as follows: USR-C215. Receiving terminal is the liquid crystal display module of setting in casing 2, and the liquid crystal display module is including setting up liquid crystal display unit 71 on PCB board 5 and inlaying the liquid crystal display 72 on the casing 2 lateral wall, liquid crystal display 72 and liquid crystal display unit 71 signal connection, and the CPU model of liquid crystal display unit 71 is: JLX 12864G-1504-BN. The receiving terminal can also be a mobile phone or a computer. The laser ray receiving target 6 is responsible for collecting data, then the data are stored through the storage unit 52, a required result is obtained through the calculation unit 51, finally the result is sent to the liquid crystal display unit 71 through the Bluetooth sending unit 531, and the result is displayed on the liquid crystal display screen 72 in the form of an Excel table or a common document, so that the measurement result is more visual.
Referring to fig. 2 and 4, a control panel is disposed on the housing 2, the control panel includes a power switch key 81, a storage key 82, a calculation key 83, a sending key 84 and a retesting key 85, the power switch key 81 includes a main switch key 811, a first laser emitter power key 812, a second laser emitter power key 813 and a rotary laser emitter power key 814, and the keys are disposed at intervals and are respectively in signal connection with the units on the PCB board 5, and the keys can control corresponding functions. Control panel is located the top of casing 2, and control panel and rotatory laser emitter 4 are apart from suitable vertical height, conveniently operate the button.
Referring to fig. 1 and 3, a first laser emitter 91 is mounted on the turntable 12, and the first laser emitter 91 is located inside the housing 2. The second laser emitter 92 is arranged in the shell 2 and opposite to the first laser emitter 91, the second laser emitter 92 and the first laser emitter 91 are on the same horizontal line, and both the first laser emitter 91 and the second laser emitter 92 can emit horizontal laser beams. The window 93 is opened on the shell 2 corresponding to the two laser transmitters, the first laser transmitter 91 and the second laser transmitter 92 can transmit laser to the front and back directions through the window 93 simultaneously, receive data through the laser ray receiving target 6, obtain the distance between the front and back rays through the built-in calculating unit 51, and measure the distance of a room, namely the distance between rooms.
With reference to fig. 6-13, the present invention also discloses a method for measuring the top plate range, which is based on the above laser swinger, and the method comprises the following steps:
s1: pressing a main switch key 811 to switch on a power supply, pressing a power key 812 of a laser emitter, rotating the turntable 12 and adjusting the inching knob 121, wherein laser emitted by a first laser emitter 91 becomes a horizontal fan-shaped laser surface through visible light, wherein a strong light spot is arranged in the fan-shaped surface, namely a real laser ray pointing position, then pressing a power key 814 of the rotary laser emitter, rotating the rotary laser emitter 4 and adjusting the fine tuning screw 33 to enable the rotary laser emitter 4 to emit a laser ray to irradiate one point to be measured of the top plate;
s2: the laser ray receiving target 6 collects the vertical distance between the two points, and when the storage key 82 is pressed, the storage unit 52 records the vertical distance between the two points;
s3: measuring the vertical distances between the 5 points to be measured and the laser points emitted by the first laser emitter 91 in sequence by the same method and recording the vertical distances in the storage unit 52;
s4: the calculation key 83 is pressed, the calculation unit 51 works, and the top plate range can be calculated;
s5: the sending key 84 is pressed, the bluetooth sending unit 531 sends out the calculated top plate range data, and the receiving terminal displays the data through the bluetooth receiving unit 532;
s6: when the measured data information is incorrect or an erroneous operation occurs, the remeasurement key 85 is pressed, and the data is deleted to perform remeasurement.
The invention also discloses a method for measuring the room opening distance, which comprises the following steps:
s11: pressing the main switch key 811 to switch on the power supply, pressing the first laser emitter power key 812 and the second laser emitter power key 813, rotating the turntable 12 and adjusting the inching knob 121 to enable the first laser emitter 91 and the second laser emitter 92 to respectively emit two beams of laser with opposite directions to two opposite wall boards, and respectively forming a laser spot on the two wall boards;
s22: the laser ray receiving target 6 collects the distance between the two points, and the storage unit 52 records the distance between the two points when the storage key 82 is pressed;
s33: sequentially measuring multiple groups of data by the same method and recording the data in the storage unit 52;
s44: the calculation key 83 is pressed, the calculation unit 51 works, and the room opening distance can be calculated;
s55: pressing the send key 84, the bluetooth sending unit 531 sends out the calculated room opening distance data, and the receiving terminal displays the data through the bluetooth receiving unit 532;
s66: when the measured data information is incorrect or an erroneous operation occurs, the remeasurement key 85 is pressed, and the data is deleted to perform remeasurement.
It should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious variations or modifications which fall within the spirit of the invention are intended to be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a novel laser swinger, includes base (1) and casing (2), is provided with carousel (12) on base (1), and carousel (12) are connected on base (1), and carousel (12) and casing (2) fixed connection are connected with fine motion knob (121), its characterized in that on carousel (12): the top of the outer side wall of the shell (2) is provided with a fixed plate (3), the fixed plate (3) is vertically arranged, the side wall of the fixed plate (3) is provided with a rotating shaft (31), the rotating shaft (31) is horizontally arranged perpendicular to the fixed plate (3), the rotating shaft (31) is fixedly connected with a rotary laser transmitter (4), the rotary laser transmitter (4) is rotatably connected onto the fixed plate (3) through the rotating shaft (31), the rotary laser transmitter (4) is connected with a brake screw (32) and a fine adjustment screw (33), a PCB (5) is arranged in the shell (2), a calculating unit (51), a storage unit (52), a wireless transmission unit (53) and a switch unit (54) are arranged on the PCB (5), the units are connected by signals, a laser ray receiving target (6) is arranged in the shell (2), and the laser ray receiving target (6) is in signal connection with the storage unit (52).
2. The novel laser swinger according to claim 1, wherein: install laser emitter (91) on carousel (12), inside laser emitter (91) were located casing (2), be provided with laser emitter two (92) with laser emitter (91) is relative in casing (2), and laser emitter two (92) are located same water flat line with laser emitter (91).
3. The novel laser swinger according to claim 1, wherein: the wireless transmission unit (53) comprises a Bluetooth sending unit (531) and a Bluetooth receiving unit (532), the Bluetooth sending unit (531) is arranged on the PCB (5), and the Bluetooth receiving unit (532) is installed on a receiving terminal.
4. The novel laser swinger according to claim 3, wherein: the receiving terminal is a liquid crystal display module arranged in the shell (2), the liquid crystal display module comprises a liquid crystal display unit (71) arranged on the PCB (5) and a liquid crystal display screen (72) embedded on the side wall of the shell (2), and the liquid crystal display screen (72) is in signal connection with the liquid crystal display unit (71).
5. The novel laser swinger according to claim 3, wherein: the receiving terminal is a mobile phone or a computer.
6. The novel laser swinger according to claim 4 or 5, wherein: the laser transmitter is characterized in that a control panel is arranged on the shell (2), the control panel comprises a power switch key (81), a storage key (82), a calculation key (83), a sending key (84) and a retest key (85), keys on the control panel are respectively in signal connection with all units on the PCB (5), the control panel is located at the top of the shell (2), and the control panel and the rotary laser transmitter (4) are separated by a proper vertical height.
7. The novel laser swinger according to claim 6, wherein: the power switch key (81) comprises a main switch key (811), a first laser transmitter power key (812), a second laser transmitter power key (813) and a rotary laser transmitter power key (814).
8. The method for measuring the top plate range is characterized in that: the method is based on a laser swinger according to claims 1-7, comprising the steps of:
s1: the general switch key (811) is pressed to switch on a power supply, then a power supply key (812) of a laser emitter is pressed, a rotary disc (12) is rotated, a micro-motion knob (121) is adjusted, laser emitted by the laser emitter I (91) becomes a horizontal fan-shaped laser surface through visible light, a strong light spot is arranged in the fan-shaped surface, namely the real laser ray points to the position, then the power supply key (814) of the rotary laser emitter is pressed, the rotary laser emitter (4) is rotated, a fine tuning screw (33) is adjusted, the rotary laser emitter (4) emits a laser ray to irradiate one to-be-detected point of a top plate, and then a brake screw (32) is rotated, so that the direction of the rotary laser emitter (4) is fixed;
s2: the laser ray receiving target (6) can acquire the vertical distance between the two points, and the storage unit (52) can record the vertical distance between the two points when a storage key (82) is pressed;
s3: measuring the vertical distances between the 5 points to be measured and the laser points emitted by the first laser emitter (91) in sequence by the same method and recording the vertical distances in a storage unit (52);
s4: a calculation key (83) is pressed, a calculation unit (51) works, and the top plate range can be calculated;
s5: pressing a sending key (84), sending the calculated top plate range data by a Bluetooth sending unit (531), and displaying the data by a receiving terminal through a Bluetooth receiving unit (532);
s6: when the measured data information is incorrect or misoperation occurs, a retest key (85) is pressed, and data is deleted for retesting.
9. The method of measuring ceiling pole difference of claim 8, wherein: also included is a method of measuring room separation, the method comprising the steps of:
s11: pressing the main switch key (811) to switch on the power supply, pressing a first power key (812) of the laser emitter and a second power key (813) of the laser emitter, rotating the turntable (12) and adjusting the inching knob (121) to enable the first laser emitter (91) and the second laser emitter (92) to respectively send two beams of laser with opposite directions to two opposite wall plates, and respectively forming a laser spot on the two wall plates;
s22: the laser ray receiving target (6) collects the distance between the two points, and the storage unit (52) records the distance between the two points when a storage key (82) is pressed;
s33: sequentially measuring a plurality of groups of data by the same method and recording the data in a storage unit (52);
s44: a calculation key (83) is pressed, a calculation unit (51) works, and the room opening distance can be calculated;
s55: pressing a sending key (84), sending the calculated room opening distance data by a Bluetooth sending unit (531), and displaying the data by a receiving terminal through a Bluetooth receiving unit (532);
s66: when the measured data information is incorrect or misoperation occurs, a retest key (85) is pressed, and data is deleted for retesting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911375857.0A CN111024035A (en) | 2019-12-27 | 2019-12-27 | Novel laser swinger and method for measuring top plate range |
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| CN201911375857.0A CN111024035A (en) | 2019-12-27 | 2019-12-27 | Novel laser swinger and method for measuring top plate range |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050774A (en) * | 2020-09-28 | 2020-12-08 | 杭州品茗安控信息技术股份有限公司 | House roof measuring method, device and system and storage medium |
| CN113252018A (en) * | 2021-06-24 | 2021-08-13 | 河南南秀建筑科技有限公司 | Intelligent guiding rule for plane range measurement |
| CN115790464A (en) * | 2023-02-07 | 2023-03-14 | 潍坊三建建材科技有限公司 | Indoor large space level detection device for building |
-
2019
- 2019-12-27 CN CN201911375857.0A patent/CN111024035A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050774A (en) * | 2020-09-28 | 2020-12-08 | 杭州品茗安控信息技术股份有限公司 | House roof measuring method, device and system and storage medium |
| CN113252018A (en) * | 2021-06-24 | 2021-08-13 | 河南南秀建筑科技有限公司 | Intelligent guiding rule for plane range measurement |
| CN115790464A (en) * | 2023-02-07 | 2023-03-14 | 潍坊三建建材科技有限公司 | Indoor large space level detection device for building |
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