CN104075670B - Infrared ray radius measuring instrument and radius measuring and arc positioning method thereof - Google Patents

Abstract

The invention discloses an infrared ray radius measuring instrument, which comprises a measuring instrument main body and a support, wherein the measuring instrument main body comprises a display and input unit (1), a control unit (2), an infrared ray light source (3), a measuring unit (4) and a calculating unit (5), and the display and input unit (1) is connected with the control unit (2); the control unit (2) is connected with the infrared ray light source (3), and the control unit (2) controls the switch of the infrared ray light source (3) and controls the size of an included angle theta of infrared rays in the vertical direction; the measuring unit (4) is connected with the calculating unit (5), and the measuring unit (4) feeds back the measuring data to the calculating unit (5); the control unit (2) is connected with the calculation unit (5); the computing unit (5) is connected with the display and input unit (1). The invention also discloses a radius measuring and arc positioning method thereof. The invention can quickly measure the radius of the arc; the standard circular arc with any radius can be accurately positioned.

Description

Infrared Radius Measuring Instrument and Its Radius Measurement and Arc Positioning Method

technical field

The invention relates to an infrared radius measuring instrument and a radius measuring and arc positioning method thereof.

Background technique

At present, the measurement of circular positions is often encountered in decoration engineering, especially some positions that are inconvenient to measure, and can only be measured roughly. The inaccurate measurement data leads to the inaccurate installation of subsequent decorative materials.

In addition, if the irregular shape of the construction site is made into a standard arc with any radius, the workers will use some traditional rough methods to measure and then draw the actual control line. The measurement method is cumbersome and it is difficult to ensure the speed and accuracy of construction. .

Contents of the invention

The purpose of the present invention is: to provide an infrared radius measuring instrument, which can quickly measure the radius of the arc, especially some inconvenient parts to measure; it can realize the precise positioning of the standard arc with any radius, and it is convenient to quickly and accurately measure the arc. construction.

Another object of the present invention is to provide a method for measuring the radius of an infrared radius measuring instrument, which can be used for accurate and rapid measurement of the arc radius of engineering ground.

Another object of the present invention is to provide an arc positioning method for an infrared radius measuring instrument, which can accurately locate a standard arc with any radius, so that the construction site can use the standard infrared arc for fast and standard construction.

The technical solution of the measuring instrument of the present invention is: an infrared radius measuring instrument, which includes a measuring instrument main body and a bracket, and the measuring instrument main body includes a display and input unit, a control unit, an infrared light source, and is used for measuring the distance H to the ground. The measurement unit, calculation unit, display and input unit are connected to the control unit, and the control unit accepts the data transmitted by the identification display and input unit; the control unit is connected to the infrared light source, and the control unit controls the switch of the infrared light source and the infrared light of the infrared light source The size of the included angle θ in the vertical direction; the measurement unit is connected to the calculation unit, and the measurement unit feeds back the measurement data to the calculation unit; the control unit is connected to the calculation unit; the calculation unit is connected to the display and input unit.

The support includes a base and a tripod, the upper end of the base is connected with the main body of the measuring instrument through a screw, and the lower end of the base is connected and fixed with the tripod.

The tripod comprises an upper tripod and a lower tripod, and the upper tripod and the base are connected and fixed, and the upper tripod and the lower tripod can freely expand and contract mutually.

The main body of the measuring instrument includes a top plate and a barrel body, the display and input unit is set on the top plate; the control unit, infrared light source, measurement unit, and calculation unit are set in the barrel body.

The calculation unit accepts the distance H to the ground fed back by the identification measurement unit, combines the angle θ of the infrared light of the infrared light source in the vertical direction, and calculates the radius R by using the calculation formula R=H*tanθ of trigonometric functions.

The technical scheme of the radius measuring method of the present invention is: a radius measuring method of an infrared radius measuring instrument, which comprises the following steps,

a. Place the infrared digital display radius measuring instrument at the center of the circular ground and adjust the level;

b. Input the adjustment information of the infrared radius through the display and input unit, and send the adjustment information to the control unit; the control unit adjusts the infrared light source according to the adjustment information, until the radius of the infrared arc is similar to the radius of the ground arc, then "OK" " operation, the "OK" signal is sent to the calculation unit, and the calculation unit obtains the size of the included angle θ of the infrared light in the vertical direction at this time;

c. The measurement unit measures the distance H to the ground, and transmits the measurement data of the distance H to the ground to the calculation unit;

d. The calculation unit uses the calculation formula R=H*tanθ of trigonometric functions to calculate the size of the radius R, and transmits the calculated radius R to the display and input unit, and the display and input unit displays the size of the radius.

The technical scheme of the arc positioning method of the present invention is: an arc positioning method of an infrared radius measuring instrument, which comprises the following steps,

a. Place the infrared digital display radius measuring instrument at the center of the circular ground and adjust the level;

b. Input the target radius R through the display and input unit, the measurement unit measures the distance H to the ground, and transmits the measurement data of the distance H to the ground to the calculation unit;

c. The calculation unit uses the calculation formula of trigonometric functions θ=arctanR/H to calculate the value of the included angle θ, and the calculation unit transmits the calculated value of the included angle θ to the control unit;

d. The control unit adjusts the included angle of the infrared light of the infrared light source in the vertical direction to θ, and at this time, the standard infrared arc that the construction personnel use as the control standard for construction can be obtained.

The advantages of the present invention are: the present invention can be used for accurate and rapid measurement of the arc radius of engineering ground; it can realize accurate positioning of standard arcs with any radius, so that the construction site can use standard infrared arcs for fast and standard construction.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

Fig. 1 is the appearance schematic diagram of the present invention;

Fig. 2 is the schematic diagram of structural decomposition of the present invention;

Fig. 3 is the measurement principle schematic diagram of the present invention;

Fig. 4 is a schematic flow chart of the radius measurement of the present invention;

Fig. 5 is a projection diagram of an irregular wall surface on the ground;

Fig. 6 is the projection diagram of a certain target standard arc wall on the ground;

Fig. 7 is a difference projection diagram between a standard infrared arc and an irregular wall;

Fig. 8 is a schematic flow chart of arc positioning in the present invention;

Among them: 1 display and input unit; 2 control unit; 3 infrared light source; 4 measurement unit; 5 calculation unit; 6 irregular wall; 7 target standard arc; 8 standard infrared arc; 11 roof; 12 tube Body; 20 bases; 31 upper tripods; 32 lower tripods.

detailed description

Embodiment 1: As shown in Figure 1, Figure 2, and Figure 3, an infrared radius measuring instrument includes a measuring instrument main body and a bracket, and the measuring instrument main body includes a display and input unit 1, a control unit 2, and an infrared light source 3. Measuring unit 4 and calculating unit 5 for measuring the distance H to the ground, the display and input unit 1 is connected to the control unit 2, and the control unit 2 accepts the data transmitted by the identification display and input unit 1; the control unit 2 is connected to the infrared light source 3 , the control unit 2 controls the switch of the infrared light source 3 and controls the angle θ of the infrared light of the infrared light source 3 in the vertical direction; the measurement unit 4 is connected to the calculation unit 5, and the measurement unit 4 feeds back the measurement data to the calculation unit 5; The control unit 2 is connected with the calculation unit 5 ; the calculation unit 5 is connected with the display and input unit 1 .

The support includes a base 20 and a tripod, the upper end of the base 20 is connected to the main body of the measuring instrument through a screw, and the lower end of the base 20 is connected and fixed with the tripod.

The tripod includes an upper tripod 31 and a lower tripod 32, the upper tripod 31 is connected and fixed with the base 20, and the upper tripod 4 and the lower tripod 5 can freely expand and contract each other. It is convenient to adjust the lengths of the upper tripod 31 and the lower tripod 32, thereby adjusting the overall height of the instrument.

The main body of the measuring instrument includes a top plate 11 and a barrel body 12 , the display and input unit 1 is set on the top plate 11 ; the control unit 2 , infrared light source 3 , measurement unit 4 , and calculation unit 5 are set in the barrel body 12 .

The calculation unit 5 receives the distance H from the identification measurement unit to the ground, combines the angle θ of the infrared light from the infrared light source 3 in the vertical direction, and calculates the radius R by using the trigonometric formula R=H*tanθ.

The display and input unit 1 provides digital display.

Embodiment two:

As shown in Fig. 3 and Fig. 4, a method for measuring the radius of an infrared radius measuring instrument adopts the infrared radius measuring instrument of Embodiment 1, which can accurately and quickly measure the radius of an arc, greatly improving the speed and speed of construction site measurement. quality, to achieve fast and accurate measurement, it includes the following steps:

a: Place the infrared digital display radius measuring instrument at the center of the circular ground and adjust the level;

b: Press the "+" or "-" signal key for adjusting the infrared radius on the panel of the display and input unit 1, the display and input unit 1 will send the signal for adjusting the radius to the control unit 2, and the control unit 2 will increase the radius of the infrared arc Or reduce and adjust to be close to the arc radius of the ground, and then press "OK", the display and input unit 1 will send the "OK" signal to the calculation unit 5, and the calculation unit 5 will calculate the angle θ of the infrared rays in the vertical direction ;

c. At the same time, the measurement unit 4 measures the distance H to the ground, and transmits the measurement data of the distance H to the ground to the calculation unit 5;

d. The calculation unit 5 calculates the size of the radius R by using the calculation formula R=H*tanθ of trigonometric functions, and transmits the calculated radius R to the display and input unit 1, and the display and input unit 1 displays the size of the radius.

Embodiment three:

As shown in Figure 8, an arc positioning method of an infrared radius measuring instrument adopts the infrared radius measuring instrument of Embodiment 1, which can accurately and quickly locate the radius of the arc, so that the construction site can use the standard infrared arc to achieve Fast, standard construction.

A certain wall is the projection of an irregular wall on the ground (as shown in Figure 5). During construction, the irregular wall needs to be plastered to make a standard arc surface with a certain radius (as shown in Figure 6 Shown), its fast and accurate arc positioning method, which includes the following steps:

a. Place the infrared digital display radius measuring instrument at the center of the circular ground and adjust the level;

b. Input the target radius R through the display and input unit 1, the measurement unit 4 measures the distance H to the ground, and transmits the measurement data of the distance H to the ground to the calculation unit 5;

c. The calculation unit 5 uses the calculation formula θ=arctanR/H of trigonometric functions to calculate the value of the included angle θ, and the calculation unit 5 transmits the calculated value of the included angle θ to the control unit 2;

d. The control unit 2 will adjust the angle θ of the infrared rays of the infrared light source 3 in the vertical direction, so that the standard infrared arc 8 can be moved to the coincident position with the target standard arc 7, as shown in FIG. 7 , Workers can carry out construction according to the standard infrared arc 8 as the control standard.

It should be noted that the invention, which has been fully described, is also capable of many variations and modifications, and is not limited to the specific examples of the above-described embodiments. The above-mentioned embodiments are only for illustration of the present invention, not for limitation. In a word, the protection scope of the present invention shall include those transformations, substitutions and modifications obvious to those skilled in the art.

Claims (7)

1. a kind of infrared ray apparatus for measuring radius it is characterised in that：It includes measuring instrument main body, support, described measuring instrument main body bag Include display and input block（1）, control unit（2）, infrared line light source（3）, for measuring the measuring unit of ground distance H （4）, computing unit（5）, show and input block（1）Connect control unit（2）, control unit（2）Accept identification to show and defeated Enter unit（1）The data of transmission；Control unit（2）Connect infrared line light source（3）, control unit（2）Control infrared ray linear light Source（3）Switch and control infrared line light source（3）IR vertical direction angle theta size；Measuring unit（4） Connect computing unit（5）, measuring unit（4）Measurement data is fed back to computing unit（5）；Control unit（2）And computing unit （5）It is connected；Computing unit（5）With display and input block（1）It is connected.

2. infrared ray apparatus for measuring radius according to claim 1 it is characterised in that：Described support includes pedestal（20）, pin Frame, pedestal（20）Upper surface passes through screw rod and measuring instrument main body connects, pedestal（20）Lower surface and foot rest are connected.

3. infrared ray apparatus for measuring radius according to claim 2 it is characterised in that：Described foot rest comprises foot rest（31）、 Lower foot rest（32）, upper foot rest（31）And pedestal（20）It is connected, upper foot rest（31）With lower foot rest（32）Between can be mutually free Flexible.

4. infrared ray apparatus for measuring radius according to claim 1 it is characterised in that：Described measuring instrument main body includes top board （11）, stack shell（12）, described display and input block（1）It is arranged on top board（11）On；Described control unit（2）, infrared line Light source（3）, measuring unit（4）, computing unit（5）It is arranged at stack shell（12）Interior.

5. infrared ray apparatus for measuring radius according to claim 1 it is characterised in that：Described computing unit（5）Accept identification Measuring unit feedback to ground distance H, in conjunction with infrared line light source（3）IR vertical direction angle theta size, Using the computing formula R=H*tan θ of trigonometric function, calculate radius R.

6. infrared ray apparatus for measuring radius according to claim 1 it is characterised in that：The half of described infrared ray apparatus for measuring radius Footpath measuring method, comprises the following steps,

A, infrared ray digital display radius measuring instrument is placed in the center of circle on circular ground, and adjusts level；

B, by display and input block（1）The adjustment information of input infrared ray radius, and it is single that adjustment information is sent to control Unit（2）；Control unit（2）According to adjustment information to infrared line light source（3）It is adjusted, until infrared ray arc radius and ground Carry out " determination " operation, " determination " signal is sent to computing unit when face arc radius are close（5）, computing unit（5）Obtain this When the angle theta in vertical direction for the IR size；

C, measuring unit（4）Measure ground distance H, and the measurement data to ground distance H is sent to computing unit（5）；

D, computing unit（5）Using the computing formula R=H*tan θ of trigonometric function, calculate the size of radius R, and will calculate Radius R transmits to display and input block（1）, show and input block（1）On show radius size.

7. infrared ray apparatus for measuring radius according to claim 1 it is characterised in that：The circle of described infrared ray apparatus for measuring radius Arc localization method, comprises the following steps,

A, infrared ray digital display radius measuring instrument is placed in the center of circle on circular ground, and adjusts level；

B, by display and input block（1）Input radius of target R, measuring unit（4）Measure ground distance H, and will be to ground Identity distance is sent to computing unit from the measurement data of H（5）；

C, computing unit（5）Using the computing formula θ=arctanR/H of trigonometric function, calculate the numerical value of angle theta, computing unit （5）By the data transfer of the angle theta calculating to control unit（2）；

D, control unit（2）By infrared line light source（3）IR be adjusted to θ in the angle of vertical direction, now Obtain the infrared ray circular arc of the standard that workmen is constructed as control standard（8）.