CN115979206B - Self-adaptive alignment concave table side length gauge, measuring method and system - Google Patents

Abstract

The invention discloses a self-adaptive alignment concave table side length gauge, a measuring method and a system, and relates to the technical field of laser ranging, and a pitching base; the laser range finder is rotationally connected to the front end of the pitching base, and an alignment platform is arranged at the upper end of the pitching base; the electronic bubble leveling instrument is fixedly arranged at the upper end of the alignment platform; the positioning assembly is arranged at the rear side of the pitching base and comprises a positioning mounting seat and a positioning laser; the holding part is rotationally connected below the rear end of the pitching base. The invention has the advantages that: realize the visual accurate positioning of concave station sideline when carrying out concave station measurement, effectually guaranteed the measuring instrument and carried out the location precision when the side length measurement, realized the automatic leveling of every single move and the rocking angle of laser range finder simultaneously, realized that the horizontal plane is on a horizontal plane on the longitudinal and transverse axis, guaranteed the precision of measuring distance.

Description

A self-adaptively aligned concave table side length distance meter, distance measurement method and system

technical field

The invention relates to the technical field of laser distance measurement, in particular to an adaptively aligned recessed table side length distance meter, a distance measurement method and a system.

Background technique

In recent years, with the development of surveying and mapping technology, the way of topographic map surveying has also undergone iterations. With the improvement of residents' living conditions, houses have also changed from simple Soviet-style architectural structures to personalized aesthetics. There are more and more structures such as balconies, bay windows, and Roman columns. To meet the needs of real estate management, it is necessary to correctly measure the length of the concave side.

The traditional measurement operation method is that technicians use total station, laser rangefinder, tape measure, etc. to do on-site measurement. However, the position of the concave shape is collected by estimation, and the effective positioning of the edge of the convex platform cannot be carried out. There are different personnel estimation methods. The measurement side lengths are not consistent, and the existing distance measuring instruments cannot be automatically leveled and adjusted. As a result, the staff needs to manually adjust the distance when measuring the distance. The calibration accuracy is not high, which will easily lead to increased measurement errors.

Contents of the invention

In order to solve the above-mentioned technical problems, a self-adaptively aligned concave table side length measuring instrument, a distance measuring method and a system are provided. For the effective positioning of the edge of the table, there are situations where the side lengths estimated by different personnel are inconsistent. At the same time, the existing distance meter cannot be automatically leveled and adjusted. As a result, when measuring the distance, the staff needs to be manually adjusted, and the calibration accuracy is not good. High, it is easy to lead to the problem of increased measurement error.

To achieve the above object, the technical scheme adopted in the present invention is:

A distance measuring method of an adaptively aligned concave table side length distance meter, comprising:

Hold the rangefinder through the grip part and keep the measuring posture. The pitch bubble leveler measures the pitch offset angle of the laser rangefinder according to the holding posture, and the swing bubble leveler measures the laser rangefinder’s pitch offset angle according to the holding posture. swing offset angle;

Rotate the pitch base according to the pitch offset angle to reset the reading of the pitch bubble leveling instrument to zero;

Rotate the laser rangefinder according to the swing offset angle to reset the reading of the swing bubble leveler to zero;

Move the distance meter to the position of the concave table to be measured, so that the laser lines emitted by the upper laser and the lower laser coincide with the edge line of the concave table;

Press the measurement button and the laser rangefinder measures the side length of the concave table;

Wherein, the measurement method of the pitch offset angle and/or the roll offset angle is:

The pitching bubble leveling instrument and/or the rocking bubble leveling instrument obtains the bubble offset value of the pitching bubble leveling instrument and/or the rocking bubble leveling instrument according to the offset voltage value;

According to the bubble offset value of the pitch bubble leveler and/or the swing bubble leveler and the accuracy of the pitch bubble leveler and/or the swing bubble leveler, the pitch offset angle and/or are calculated according to the offset angle calculation formula swing offset angle;

式中，/>

为俯仰偏移角度或摇摆偏移角度，/>

为俯仰气泡调平仪或摇摆气泡调平仪的气泡偏移值，S为俯仰气泡调平仪或摇摆气泡调平仪的精度。Wherein, the formula for calculating the offset angle is:

In the formula, />

is pitch offset angle or roll offset angle, />

is the bubble offset value of the pitch bubble leveler or the swing bubble leveler, and S is the precision of the pitch bubble leveler or the swing bubble leveler.

Optionally, the specific steps of turning the pitch base according to the pitch offset angle to reset the reading of the pitch bubble leveling instrument to zero are:

Calculate the pitch adjustment angle according to the pitch offset angle;

Calculate the servo control data of the pitch alignment motor according to the pitch alignment angle, and output the pitch servo control signal to the pitch alignment motor according to the servo control data of the pitch alignment motor;

The pitch alignment motor drives the pitch base to rotate according to the pitch servo control signal;

Determine whether the pitch offset angle measured by the pitch bubble leveling instrument has returned to zero. If yes, the pitch calibration is completed. If not, repeat the above steps until the pitch calibration is completed.

Optionally, the specific steps of turning the laser rangefinder according to the swing offset angle to reset the reading of the swing bubble leveling instrument to zero are:

Calculate the swing adjustment angle according to the swing offset angle;

Calculate the servo control data of the swing alignment motor according to the swing alignment angle, and output the swing servo control signal to the swing alignment motor according to the servo control data of the swing alignment motor;

The swing alignment motor drives the laser rangefinder to rotate according to the pitch servo control signal;

Determine whether the swing offset angle measured by the swing bubble leveler has returned to zero. If yes, the swing calibration is completed. If not, repeat the above steps until the swing calibration is completed.

Optionally, the distance measuring method of the above-mentioned self-adaptively aligned concave table side length distance meter also includes:

Use the fingerprint reader to identify the user's identity data, and judge whether the user's identity data is stored. If so, then call the pitch offset angle and roll offset angle generated by the user's holding posture. If not, go to the next step .

Record and store the user's identity data and the pitch offset angle and swing offset angle generated by the user's holding posture to the rangefinder.

Further, a self-adaptively aligned recessed table side length distance measuring instrument is proposed, which is suitable for the distance measuring method of the above-mentioned self-adaptively aligned concave table side length measuring instrument, including:

Pitch base;

A laser range finder, the laser range finder is rotatably connected to the front end of the pitch base, and an alignment platform is arranged on the upper end of the pitch base;

Electronic bubble leveling instrument, the electronic bubble leveling instrument is fixedly installed on the upper end of the alignment platform, and the electronic bubble leveling instrument includes a rocking bubble leveling instrument and a pitching bubble leveling instrument, and the rocking bubble leveling instrument and pitching The bubble levelers are arranged vertically to each other;

The positioning assembly is arranged on the rear side of the pitching base. The positioning assembly includes a positioning mount and a positioning laser. The positioning laser is fixedly mounted on the positioning mount. The positioning laser consists of an upper laser and a lower Laser components;

The grip part is rotatably connected to the bottom of the rear end of the pitch base, a grip handle is arranged on the left side of the lower end of the grip part, and a measurement button is arranged on the front side of the grip handle.

Preferably, the rear side of the laser rangefinder is fixedly connected with a rotating shaft, and the rear end of the rotating shaft extends to the rear side of the pitching base, the rotating shaft is rotationally connected with the pitching base, and the rear end of the rotating shaft is connected to the positioning mounting seat Fixedly connected, the interior of the pitch base is provided with a swing alignment slot, the lower end of the pitch base is provided with a swing motor slot, and a swing alignment motor is fixedly installed inside the swing motor slot, and the output end of the swing alignment motor Extending to the inside of the swing alignment groove and fixedly installed with a driving bevel gear, an alignment bevel gear is installed on the rotating shaft corresponding to the driving bevel gear, and the alignment bevel gear and the driving bevel gear mesh with each other.

Preferably, two directions below the rear end of the pitching base extend outwards to form a pitching shaft, and the upper end of the holding part is fixedly connected with a pitching rotating seat, and the pitching rotating shaft is rotatably connected to the inside of the pitching rotating seat, and the pitching rotating seat is The side is provided with a shaft cover, and the other side of the pitch rotating seat is fixedly connected with a pitch motor slot, and a pitch alignment motor is fixedly connected inside the pitch motor slot, and the output end of the pitch alignment motor is fixedly connected with the pitch shaft.

Preferably, a fingerprint reader is also provided on the gripping part.

Further, a distance measuring system of an adaptively aligned recessed table side length distance meter is proposed, which is suitable for the distance measurement method of the concave table side length distance meter of self-adaptive alignment as described above, including:

A signal receiving unit, the signal receiving unit is used to receive signals input by the pitch bubble leveling instrument, the rocking bubble leveling instrument and the fingerprint identifier;

An offset angle calculation unit, the offset angle calculation unit is used to calculate the pitch offset angle and the swing offset angle according to the signals input by the pitch bubble leveler and the swing bubble leveler;

A calculating unit, the calculating unit is used to calculate the servo control data of the pitch alignment motor and the servo control data of the swing alignment motor according to the pitch offset angle and the roll offset angle;

A servo control unit, the servo control unit includes a pitch servo control module and a swing servo control module, the pitch servo control module is used to generate a pitch servo control signal according to the servo control data of the pitch alignment motor and output it to the pitch adjuster A quasi-motor, the swing servo control module is used to generate a swing servo control signal according to the servo control data of the swing alignment motor and output it to the swing alignment motor;

A storage unit, the storage unit is used to store the identity information of the user, the pitch offset angle and the swing offset angle generated by the user's holding posture to make the rangefinder and the measured side length of the concave table;

An identity recognition unit, the identity recognition unit is used to search and match in the storage unit according to the signal input by the fingerprint reader, and judge whether the user's identity data is stored;

An output unit, the output unit is used for outputting the measured side length data of the concave table.

Compared with prior art, the beneficial effect of the present invention is:

In the present invention, the positioning laser is installed at the rear end of the distance measuring instrument, and the upper laser and the lower laser are coaxially arranged. When measuring the side length of the concave table, the laser lines emitted by the upper laser and the lower laser are aligned with the edge line of the concave table. Overlap, and then realize the visual and accurate positioning of the edge line of the concave table when measuring the concave table, effectively guarantee the positioning accuracy of the distance meter when measuring the side length, and ensure the accuracy of the side length measurement of the concave table;

In the present invention, the electronic bubble leveling instrument is set up, and the laser rangefinder and the pitching base are arranged in cooperation with the rotation. When measuring, the voltage change of the electronic bubble leveling instrument due to the bubble offset is used to measure the laser rangefinder. Pitch offset angle and sway offset angle, and drive the pitch alignment motor and sway alignment motor to rotate according to the pitch offset angle and sway offset angle of the laser rangefinder to realize the pitch and sway angle of the laser rangefinder The leveling of the horizontal plane realizes that the vertical and horizontal axes of the horizontal plane are located on a horizontal plane to ensure the accuracy of the measuring distance.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure of the self-adaptively aligned recessed table side length measuring instrument proposed by the present invention;

Fig. 2 is the local cross-sectional three-dimensional structure schematic diagram of the self-adaptively aligned recessed table side length measuring instrument proposed by the present invention;

Fig. 3 is the measurement schematic diagram of the concave table side length measuring instrument of self-adaptive alignment that the present invention proposes;

Fig. 4 is the flow chart of the concave table side length measurement method for self-adaptive alignment proposed by the present invention;

Fig. 5 is a flow chart of the pitch calibration method in the present invention;

Fig. 6 is a flow chart of the swing calibration method in the present invention;

Fig. 7 is a flow chart of the personalized data binding method in the present invention;

Fig. 8 is a structural block diagram of the distance measurement system of the self-adaptively aligned recessed table side length distance meter proposed by the present invention.

The labels in the figure are:

Pitch base; 101, swing motor slot; 102, swing alignment slot; 2, laser range finder; 201, alignment platform; 202, rotating shaft; 203, alignment bevel gear; 3, electronic bubble leveling instrument; 301 . Swing bubble leveling instrument; 302. Pitching bubble leveling instrument; 4. Positioning mounting seat; 5. Positioning laser; 6. Holding part; 601. Holding handle; 602. Measurement button; , shaft cover; 605, pitch motor slot; 7, swing alignment motor; 701, active bevel gear; 8, pitch alignment motor.

Detailed ways

The following description serves to disclose the present invention to enable those skilled in the art to carry out the present invention. The preferred embodiments described below are only examples, and those skilled in the art can devise other obvious variations.

Referring to Figure 1-2, an adaptively aligned recessed table side length gauge includes:

pitch base 1;

The laser range finder 2 is rotatably connected to the front end of the pitch base 1, and the upper end of the pitch base 1 is provided with an alignment platform 201;

The electronic bubble leveler 3, the electronic bubble leveler 3 is fixedly installed on the upper end of the alignment platform 201, the electronic bubble leveler 3 includes a swing bubble leveler 301 and a pitch bubble leveler 302, a swing bubble leveler 301 and The pitching bubble leveling instruments 302 are vertically arranged;

The positioning assembly is arranged on the rear side of the pitching base 1. The positioning assembly includes a positioning mount 4 and a positioning laser 5. The positioning laser 5 is fixedly mounted on the positioning mount 4. The positioning laser 5 consists of an upper laser and a lower laser set coaxially. Laser components;

The grip part 6 is rotatably connected to the bottom of the rear end of the pitch base 1. A grip handle 601 is arranged on the left side of the lower end of the grip part 6. A measurement button 602 is arranged on the front side of the grip handle 601. The grip handle 601 It is arranged on the side of the grip part 6, which can effectively prevent the user's arms from blocking the laser lines emitted by the upper laser and the lower laser when gripping.

With the upper laser and the lower laser arranged coaxially, when measuring the side length of the concave table, the laser lines emitted by the upper laser and the lower laser coincide with the edge line of the concave table, and then the edge line of the concave table is realized when measuring the concave table. Visual positioning is accurate.

The rear side of the laser rangefinder 2 is fixedly connected with a rotating shaft 202, and the rotating shaft 202 extends to the rear side of the pitching base 1. The rotating shaft 202 is connected to the pitching base 1 in rotation. There is a swing alignment groove 102 inside the base 1, and a swing motor groove 101 is opened at the lower end of the pitch base 1. A swing alignment motor 7 is fixedly installed inside the swing motor groove 101, and the output end of the swing alignment motor 7 extends to the swing alignment. The driving bevel gear 701 is fixedly installed inside the groove 102, and the alignment bevel gear 203 is installed at the position corresponding to the driving bevel gear 701 on the rotating shaft 202, and the alignment bevel gear 203 and the driving bevel gear 701 mesh with each other.

When adjusting the swing angle, the swing alignment motor 7 outputs the rotational torque to the driving bevel gear 701 to drive the driving bevel gear 701 to rotate. The rotating shaft 202 rotates, and then drives the laser range finder 2 to rotate around the rotating shaft 202 to realize the adjustment of the swing angle for the laser range finder.

The bottom of the rear end of the pitch base 1 extends outward in two directions to form a pitch shaft. The upper end of the grip 6 is fixedly connected with a pitch swivel seat 603 . , the other side of the pitch rotating seat 603 is fixedly connected with a pitch motor slot 605, and the inside of the pitch motor slot 605 is fixedly connected with a pitch alignment motor 8, and the output end of the pitch alignment motor 8 is fixedly connected with the pitch shaft.

When adjusting the pitch angle, the pitch alignment motor 8 outputs the rotational torque to the pitch base 1, and then drives the pitch base 1 to rotate around the pitch axis to realize pitch angle adjustment for the laser rangefinder.

The grip part 6 is also provided with a fingerprint reader, through which the identity information of the user can be identified, which facilitates the personalized adjustment of the distance meter.

Please refer to FIG. 3 , the use process of the above-mentioned self-adaptively aligned recessed table side length distance meter is as follows: first, the user holds the distance meter through the grip part 6 and keeps the measuring posture, pitching the bubble leveling instrument 302 Measure the pitch offset angle of the laser rangefinder according to the holding posture, and the swing bubble leveling instrument 301 measures the swing offset angle of the laser rangefinder according to the holding posture, and then the pitch alignment motor 8 rotates the pitch according to the pitch offset angle Base, make the reading of the pitch bubble leveling instrument 302 return to zero, and the swing alignment motor 7 rotates the laser rangefinder 2 according to the swing offset angle, so that the reading of the swinging bubble leveling instrument 301 is reset to zero, after that, move the distance measuring instrument Go to the position of the concave table to be measured, make the upper laser line and the lower laser line emitted by the upper laser and the lower laser coincide with the edge line of the concave table, and press the measurement button. The laser rangefinder measures the distance H from the inner surface of the concave table to the positioning laser. , which is the side length of the concave table.

It should be noted that the concave platform structure shown in Figure 3 is only a schematic diagram, and the self-adaptively aligned concave platform side length distance meter proposed in this solution can realize the side length including but not limited to the concave platform structure shown in Figure 3 Accurate measurement.

Further, please refer to Fig. 4, combined with the above-mentioned self-adaptively aligned concave table side length distance meter, this solution also proposes a self-adaptively aligned concave table side length distance meter distance measurement method, including:

Hold the rangefinder through the grip part and keep the measuring posture. The pitch bubble leveler measures the pitch offset angle of the laser rangefinder according to the holding posture, and the swing bubble leveler measures the laser rangefinder’s pitch offset angle according to the holding posture. swing offset angle;

Rotate the pitch base according to the pitch offset angle to reset the reading of the pitch bubble leveling instrument to zero;

Rotate the laser rangefinder according to the swing offset angle to reset the reading of the swing bubble leveler to zero;

Move the distance meter to the position of the concave table to be measured, so that the laser lines emitted by the upper laser and the lower laser coincide with the edge line of the concave table;

Press the measurement button and the laser rangefinder measures the side length of the concave table and stores it.

The pitch offset angle and/or roll offset angle are measured by:

The pitching bubble leveling instrument and/or the rocking bubble leveling instrument obtains the bubble offset value of the pitching bubble leveling instrument and/or the rocking bubble leveling instrument according to the offset voltage value;

According to the bubble offset value of the pitch bubble leveler and/or the swing bubble leveler and the accuracy of the pitch bubble leveler and/or the swing bubble leveler, the pitch offset angle and/or are calculated according to the offset angle calculation formula swing offset angle;

Wherein, the formula for calculating the offset angle is:

式中，/>

为俯仰偏移角度或摇摆偏移角度，/>

为俯仰气泡调平仪或摇摆气泡调平仪的气泡偏移值，S为俯仰气泡调平仪或摇摆气泡调平仪的精度。

In the formula, />

is pitch offset angle or roll offset angle, />

is the bubble offset value of the pitch bubble leveler or the swing bubble leveler, and S is the precision of the pitch bubble leveler or the swing bubble leveler.

，为4秒；It should be noted that the relationship between the bubble offset value measured by the bubble level and the offset angle is related to its accuracy. The accuracy of the common bubble level is 0.02/1000, so when the bubble offsets one scale unit, the deflection angle of the bubble level is

, is 4 seconds;

Therefore, when calculating the offset angle, it is necessary to first calculate the deflection angle of the bubble level when the bubble deviates by one scale unit according to the accuracy of the bubble leveler and/or swing bubble leveler, and then calculate the deflection angle of the bubble level according to the bubble offset of the bubble level Value, calculate the offset angle of the bubble level;

Please refer to Figure 5, the specific steps for turning the pitch base according to the pitch offset angle to reset the reading of the pitch bubble leveling instrument to zero are as follows:

Calculate the pitch adjustment angle according to the pitch offset angle;

Calculate the servo control data of the pitch alignment motor according to the pitch alignment angle, and output the pitch servo control signal to the pitch alignment motor according to the servo control data of the pitch alignment motor;

The pitch alignment motor drives the pitch base to rotate according to the pitch servo control signal;

Determine whether the pitch offset angle measured by the pitch bubble leveling instrument has returned to zero. If yes, the pitch calibration is completed. If not, repeat the above steps until the pitch calibration is completed.

Please refer to Figure 6, the specific steps for turning the laser rangefinder according to the swing offset angle to reset the reading of the swing bubble leveler to zero are as follows:

Calculate the swing adjustment angle according to the swing offset angle;

Calculate the servo control data of the swing alignment motor according to the swing alignment angle, and output the swing servo control signal to the swing alignment motor according to the servo control data of the swing alignment motor;

The swing alignment motor drives the laser rangefinder to rotate according to the pitch servo control signal;

Determine whether the swing offset angle measured by the swing bubble leveler has returned to zero. If yes, the swing calibration is completed. If not, repeat the above steps until the swing calibration is completed.

According to the pitch offset angle and sway offset angle of the laser rangefinder measured by the electronic bubble leveler, the pitch alignment motor and the sway alignment motor are driven to rotate to realize the leveling of the pitch and sway angles of the laser rangefinder. The vertical and horizontal axes of the horizontal plane are located on a horizontal plane, effectively ensuring the accuracy of the measuring distance.

Please refer to Fig. 7, the distance measurement method of the above-mentioned self-adaptively aligned concave table side length distance meter also includes personalized data binding, and the personalized data binding includes the following steps:

Use the fingerprint reader to identify the user's identity data, and judge whether the user's identity data is stored. If so, then call the pitch offset angle and roll offset angle generated by the user's holding posture. If not, go to the next step .

Record and store the user's identity data and the pitch offset angle and swing offset angle generated by the user's holding posture to the rangefinder.

By storing the holding data of the user's identity information, during repeated use, the user's holding posture can be quickly obtained through the user's identity data, and the laser rangefinder can be quickly detected according to the user's holding posture. Leveling can effectively reduce the leveling time of the laser range finder, and then can effectively improve the convenience of using the laser range finder.

Please refer to Fig. 8, this program also proposes a distance measuring system of the self-adaptively aligned recessed table side length distance meter, which is suitable for the distance measurement of the above-mentioned self-adaptively aligned concave table side length distance meter methods, including:

A signal receiving unit, the signal receiving unit is used to receive signals input by the pitch bubble leveler, the swing bubble leveler and the fingerprint reader;

An offset angle calculation unit, the offset angle calculation unit is used to calculate the pitch offset angle and the swing offset angle according to the signals input by the pitch bubble leveler and the swing bubble leveler;

A calculating unit, the calculating unit is used to calculate the servo control data of the pitch alignment motor and the servo control data of the swing alignment motor according to the pitch offset angle and the roll offset angle;

The servo control unit includes a pitch servo control module and a swing servo control module. The pitch servo control module is used to generate a pitch servo control signal according to the servo control data of the pitch alignment motor and output it to the pitch alignment motor. The servo control module is used to generate a swing servo control signal according to the servo control data of the swing alignment motor and output it to the swing alignment motor;

A storage unit, the storage unit is used to store the identity information of the user, the pitch offset angle and the swing offset angle generated by the distance meter caused by the user's holding posture, and the measured side length of the concave table;

An identity recognition unit, the identity recognition unit is used for searching and matching in the storage unit according to the signal input by the fingerprint reader, and judging whether the user's identity data is stored;

An output unit, the output unit is used to output the measured side length data of the concave table.

The working process of the distance measurement system of the self-adaptively aligned concave table side length distance meter is as follows:

Step 1: The signal receiving unit receives the signals input by the pitch bubble leveler, the swing bubble leveler and the fingerprint reader, and sends the signals input by the pitch bubble leveler and the swing bubble leveler to the offset angle calculation unit, The signal input by the fingerprint reader is sent to the identification unit;

Step 2: The identity recognition unit retrieves and matches in the storage unit according to the signal input by the fingerprint reader, and judges whether the user's identity data is stored, and if so, directly calls the pitch offset angle and the roll offset angle, and enters step 4. If not, go to step three;

Step 3: The offset angle calculation unit calculates the pitch offset angle and the swing offset angle according to the signals input by the pitch bubble leveler and the swing bubble leveler, and performs the user's identity information and pitch offset angle and swing The offset angle is stored into the storage unit;

Step 4: The calculating unit calculates the servo control data of the pitch alignment motor and the servo control data of the swing alignment motor according to the pitch offset angle and the roll offset angle;

Step 5: The pitch servo control module generates a pitch servo control signal based on the servo control data of the pitch alignment motor and outputs it to the pitch alignment motor, and the swing servo control module generates a swing servo control signal based on the servo control data of the swing alignment motor output to the swing alignment motor;

Step 6: Measure the side length of the concave table, the storage unit stores the measured data of the side length of the concave table, and the output unit outputs the measured data of the side length of the concave table in any one or more visible forms such as sound and light.

To sum up, the advantages of the present invention are: the visualization and accurate positioning of the sideline of the concave table is realized when the concave table is measured, which effectively ensures the positioning accuracy of the distance measuring instrument when measuring the side length, and realizes the laser distance measuring instrument at the same time. The automatic leveling of the pitch and roll angles realizes that the vertical and horizontal axes of the horizontal plane are located on a horizontal plane, ensuring the accuracy of the measurement distance.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description are only the principles of the present invention. Variations and improvements, which fall within the scope of the claimed invention. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides a distance measuring method of concave station side length gauge of self-adaptation alignment which characterized in that includes:

the holding part is used for holding the distance measuring instrument and keeping a measurement posture, the pitching bubble leveling instrument is used for measuring the pitching offset angle of the laser distance measuring instrument according to the holding posture, and the swaying bubble leveling instrument is used for measuring the swaying offset angle of the laser distance measuring instrument according to the holding posture;

rotating the pitching base according to the pitching offset angle to enable the reading of the pitching bubble leveling instrument to be zeroed;

rotating the laser range finder according to the swinging offset angle to enable the reading of the swinging bubble leveling instrument to be zeroed;

moving the distance measuring instrument to the position of the concave table to be measured, so that laser lines emitted by the upper laser and the lower laser coincide with edge lines of the concave table;

pressing a measuring button to measure the side length of the concave table by a laser range finder and storing;

the method for measuring the pitching offset angle and/or the swinging offset angle comprises the following steps:

the pitching bubble leveling instrument and/or the swinging bubble leveling instrument acquire bubble offset values of the pitching bubble leveling instrument and/or the swinging bubble leveling instrument according to the offset voltage values;

according to the bubble offset value of the pitching bubble leveling instrument and/or the swinging bubble leveling instrument and the precision of the pitching bubble leveling instrument and/or the swinging bubble leveling instrument, calculating a pitching offset angle and/or a swinging offset angle according to an offset angle calculation formula;

wherein, the offset angle calculation formula is:

in (1) the->

For pitch offset angle or roll offset angle, +.>

Bubble offset value for a pitch bubble level or a roll bubble level, +.>

Is the precision of the pitching bubble leveling instrument or the swinging bubble leveling instrument.

2. The method for measuring the distance of the self-adaptive aligned concave table side length gauge according to claim 1, wherein the specific steps of rotating the pitching base according to the pitching offset angle to zero the reading of the pitching bubble leveling instrument are as follows:

calculating a pitching alignment angle according to the pitching offset angle;

according to the pitching alignment angle, calculating servo control data of the pitching alignment motor, and outputting pitching servo control signals to the pitching alignment motor according to the servo control data of the pitching alignment motor;

the pitching alignment motor drives the pitching base to rotate according to the pitching servo control signal;

and judging whether the pitching offset angle measured by the pitching bubble leveling instrument is zero, if so, completing pitching calibration, and if not, repeating the steps until the pitching calibration is completed.

3. The self-adaptive alignment concave table side length gauge measuring method according to claim 1, wherein the specific steps of turning the laser range finder according to the swing offset angle to zero the reading of the swing bubble level meter are as follows:

calculating a swing alignment angle according to the swing offset angle;

according to the swing alignment angle, calculating servo control data of the swing alignment motor, and outputting a swing servo control signal to the swing alignment motor according to the servo control data of the swing alignment motor;

the swing alignment motor drives the laser range finder to rotate according to the pitching servo control signal;

judging whether the swing offset angle measured by the swing bubble leveling instrument is zero, if so, completing the swing calibration, and if not, repeating the steps until the swing calibration is completed.

4. The method of measuring a distance of an adaptively aligned recess table edge length gauge according to claim 1, further comprising:

identifying the identity data of the user through the fingerprint identifier, and judging whether the identity data of the user is stored or not;

if yes, the pitching offset angle and the swaying offset angle generated by the holding gesture of the user are called;

if not, recording and storing the identity data of the user and the pitch offset angle and the roll offset angle generated by the range finder according to the holding posture of the user.

5. An adaptively aligned recess side length gauge, adapted for use in a method of measuring a recess side length gauge according to any one of claims 1-4, comprising:

a pitch base (1);

the laser range finder (2), the laser range finder (2) is connected to the front end of the pitching base (1) in a rotating way, and an alignment platform (201) is arranged at the upper end of the pitching base (1);

the electronic bubble leveling instrument (3), the electronic bubble leveling instrument (3) is fixedly arranged at the upper end of the alignment platform (201), the electronic bubble leveling instrument (3) comprises a swinging bubble leveling instrument (301) and a pitching bubble leveling instrument (302), and the swinging bubble leveling instrument (301) and the pitching bubble leveling instrument (302) are mutually perpendicular;

the positioning assembly is arranged at the rear side of the pitching base (1) and comprises a positioning installation seat (4) and a positioning laser (5), the positioning laser (5) is fixedly installed on the positioning installation seat (4), and the positioning laser (5) consists of an upper laser and a lower laser which are coaxially arranged;

the device comprises a holding part (6), wherein the holding part (6) is rotationally connected below the rear end of the pitching base (1), a holding handle (601) is arranged on the left side of the lower end of the holding part (6), and a measuring button (602) is arranged on the front side of the holding handle (601).

6. The self-adaptive alignment concave table side length gauge according to claim 5, wherein a rotating shaft (202) is fixedly connected to the rear side of the laser distance gauge (2), the rotating shaft (202) extends to the rear side of the pitching base (1) towards the rear end, the rotating shaft (202) is rotationally connected with the pitching base (1), the rear end of the rotating shaft (202) is fixedly connected with a positioning mounting seat (4), a swinging alignment groove (102) is formed in the pitching base (1), swinging Ma Dacao (101) is formed in the lower end of the pitching base (1), a swinging alignment motor (7) is fixedly mounted in the swinging Ma Dacao (101), the output end of the swinging alignment motor (7) extends to the inside of the swinging alignment groove (102) and is fixedly mounted with a driving bevel gear (701), an alignment bevel gear (203) is mounted on the rotating shaft (202) at a position corresponding to the driving bevel gear (701), and the alignment bevel gear (203) is meshed with the driving bevel gear (701) mutually.

7. The self-adaptive alignment concave table side length gauge according to claim 6, wherein two sides below the rear end of the pitching base (1) extend outwards to form a pitching rotating shaft, the upper end of the holding part (6) is fixedly connected with a pitching rotating seat (603), the pitching rotating shaft is rotationally connected inside the pitching rotating seat (603), a shaft cover (604) is arranged on one side of the pitching rotating seat (603), a pitching motor groove (605) is fixedly connected on the other side of the pitching rotating seat (603), a pitching alignment motor (8) is fixedly connected inside the pitching Ma Dacao, and the output end of the pitching alignment motor (8) is fixedly connected with the pitching rotating shaft.

8. The self-adaptive alignment concave table side length gauge according to claim 7, wherein a fingerprint identifier is further arranged on the holding part (6).

9. A self-adaptive alignment stand side gauge system, adapted for use in a self-adaptive alignment stand side gauge method according to any of claims 1-4, comprising:

the signal receiving unit is used for receiving signals input by the pitching bubble leveling instrument, the swaying bubble leveling instrument and the fingerprint identifier;

the offset angle calculating unit is used for calculating a pitching offset angle and a swinging offset angle according to signals input by the pitching bubble leveling instrument and the swinging bubble leveling instrument;

a resolving unit for resolving servo control data of the pitch alignment motor and servo control data of the roll alignment motor according to the pitch offset angle and the roll offset angle;

the servo control unit comprises a pitching servo control module and a swaying servo control module, the pitching servo control module is used for generating pitching servo control signals according to servo control data of the pitching alignment motor and outputting the pitching servo control signals to the pitching alignment motor, and the swaying servo control module is used for generating swaying servo control signals according to servo control data of the swaying alignment motor and outputting the swaying servo control signals to the swaying alignment motor;

the storage unit is used for storing identity information of a user, and the user holds the posture to enable the pitch offset angle and the swing offset angle generated by the range finder and the measured side length of the concave table;

the identity recognition unit is used for searching and matching in the storage unit according to the signal input by the fingerprint recognizer and judging whether the identity data of the user are stored or not;

and the output unit is used for outputting the measured side length data of the concave table.

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