KR20090059949A - Digital laser staff apparatus - Google Patents

Abstract

A digital laser staff apparatus is provided to measure the position of laser beam emitted from laser transmitters of rotary laser levels and to display the measured level on the LCD(Liquid Crystal Display) of the laser reception height display unit. A digital laser staff apparatus comprises a laser reception height display unit(1) indicating the current level in a laser LCD window, a laser receiver(2) made up of 164 photosensors and a scattered light cut-off filter, a backlight button(5) selecting illumination of the laser reception height display unit, a receiving sound button(6) selecting the buzzer sound informing reception of the photosensors, a zero point button(7) setting the currently received level value into zero, a vertical invert button(8) changing the increasing direction of the level, a position memory button(9) indicating the level before movement when a rotary laser level moves, a 250mm up button(10) for moving the laser staff 250mm upward, a 250mm down button(11) for moving the laser staff 250mm downward, a circular level(12), and a laser reception lamp(14).

Description

DIGITAL LASER STAFF APPARATUS

The present invention through the laser receiver consisting of 164 photosensors to position the position of the laser light rotated more than a certain speed in the laser transmitter in order to accurately check the vertical, horizontal level or inclination in the construction site and construction site of large structures BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital laser stapling device as a portable measuring device that can detect and digitize digitally and display it with a current laser reception height display unit.

Various methods are used to check the vertical horizontal level at the construction site or civil engineering site. First, as a tool for inspecting the verticality in construction, if the iron ball end of the iron cone model is tied with thread and hangs down, it becomes 90 ° while making a right angle with the additional ground suspended from the thread. This is used to inspect the verticality of the wall or to obtain a vertical line.

And, in the concrete structure is constructed parallel to the ground or in the horizontal direction, in this case, to check the horizontality between the two points is usually used a hose, the horizontal check method using such a hose, the height of the water filled in the hose is a certain point It is widely used as a way to find other points of the same height, but to check the level of the structure, two or more people must work at two points at the same time.

As another level checking method, it is possible to easily check the horizontal state by using a level combined with a plurality of horizontal measuring unit made of a glass tube containing bubbles in the level body body having a predetermined length.

When checking the level using such a level, it is possible to use only when the part to be checked is almost at the same level, and when there is a difference in level height, the level cannot be used because the level cannot be confirmed.

Other instruments include the use of lasers to measure both horizontal and vertical at the same time with 360 ° rotation as well as + crisscross, but this instrument can be used very effectively to find any horizontal and vertical in the absence of anything. It was introduced. On the contrary, there was a leveler equipped with a straight horizontal level checker, but it was used for inspection after an arbitrary construction was performed.

The present invention has been invented in view of the above-mentioned circumstances. As a portable measuring instrument, the position of the laser beam emitted at all rotating laser levels to accurately check the horizontal or vertical level and inclination in the field is determined as 164 laser diodes. It is an object of the present invention to provide a digital laser staff device capable of displaying the level of the current laser reception height display part simply and accurately by measuring through the receiver.

The present invention for achieving the above object, the laser staff for measuring and displaying the horizontal level and the vertical level, the inclination, the laser reception height display unit to display the current level value on the LCD window with the laser position display, 164 photosensors and There are scattered light blocking filters and laser receivers each having a receiving measurement range of ± 150 mm are installed; A power on / off button sequentially, a backlight button for selecting illumination of the laser reception height display unit, a reception sound button for selecting a buzzer sound indicating whether the photo sensor is received, and a zero point for setting the currently received level value to '0' Button, up / down reverse button to change the level value increase direction, memory shift button to display the level value as it was before moving the level value change by the rotation laser level, select when moving the laser staff main body by 250 mm A 250 mm up / down button and a down 250 mm up / down button for selecting when moving the laser staff main body by 250 mm, respectively; The circular bubble tube, the same 10mm tab for fixing up and down, and LED high brightness laser receiving lamp are respectively installed.

As described above, according to the present invention, a portable measuring instrument having a function of digitally displaying and controlling a corresponding level value on a current laser reception height display unit, high efficiency of work in construction site or civil engineering site, further improvement and accuracy of measuring tool And, it has the effect of easily measuring and displaying the horizontal level, the vertical level, and the slope.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a digital laser staff according to an embodiment of the present invention, wherein the digital laser staff of the present invention is fired from a laser transmitter (not shown) of all rotating laser levels. The position of the laser beam is measured as pin photodiode (photo sensor) of No. 1 to No. 164 of the laser receiver 2 so that the level can be easily and accurately displayed on the present laser receiver height display unit 1 by the microprocessor. It is a portable measuring instrument, and it is a competitive measuring instrument that can be usefully used for assembling or mounting a ship block in a shipyard, building large structures such as heavy industry, checking vertical and horizontal levels at a construction site, and a civil engineering site.

The laser staff main body 20 can be used for 10 hours of standard use time and 5 hours of continuous use time using AA 1.5V * 4EA battery, and the power consumption is less than NORMAL 0.5W (max. 0.9W), ambient temperature is -20 ℃-+ 60 ℃, storage temperature is -30 ℃-+ 80 ℃ and humidity is below 95% RH.

In addition, the display of the laser reception height display unit 1 is a STN dynamic segment LCD, and the signal output of the laser staff main body 20 is a reception state through a high brightness LED, which is a laser reception display lamp 14. The photo sensor of the laser receiver 2 is a pin port diode (PIN PHOTO DIODE), the light receiving angle range is within ± 30 °, the detection error is ± 1mm, and the laser detection time is about 1 second.

In the present laser reception height display unit 1, the current level value is represented by a laser position display (in units of 1 mm), and a value between '-1 9 9 9' to '1 9 9 9' is indicated and a displayable value is indicated. Over-values are indicated by '----'. Laser position up and down indicates the direction of increase of level value, ↑ increases level value from top to bottom and ↓ increases level value from bottom to top. Current battery level indications, backlight usage indications and laser reception tone indications are shown respectively.

The laser receiver 2 has 164 photosensors and scattered light blocking filters, and has a reception measurement range of ± 150 mm. Pressing the power on / off button (3, 4) starts or stops the operation. If no operation is performed, the power is turned off after 30 minutes.

The backlight button 5 is a button for selecting the illumination of the laser reception height display unit 1, and the on / off operation is repeated every time the button is pressed, and the on / off state of the illumination is displayed on the LCD display.

The reception sound button 6 is a button for selecting a buzzer sound indicating whether the photosensor has been received. Each time the button is pressed, the on / off operation is repeated, and the volume on / off state is displayed on the LCD display.

The zero button 7 sets the currently received level value to '0'. The up / down reverse button 8 changes the direction of increase of the level value.

The memory shift button 9 displays the level value in the state before the shift of the level value change in accordance with the movement of the rotating laser level.

If the button is pressed before moving, the level value is fixed and the LCD displays both the fixed value and the change direction indication to check that it is moving. If the button is pressed after the movement, then the reception position of the laser beam becomes a fixed level value before the movement, and of course the level value is released and operates normally.

The data must always be received before pressing the memory transfer button (9). This function is set until completion, regardless of whether power is on or off.

The up 250 mm shift button 10 is a button to select when the laserstaf main body 20 moves up by 250 mm, and the down 250 mm shift button 11 moves the laserstaf main body 20 down. This button is selected when moving by 250 mm.

250 is increased or decreased to the value currently output on the LCD display, and the added value is increased or decreased in accordance with the increase direction of the level value. The laser staff main body 20 further includes a circular bubble tube 12, a 10 mm tab 13 for fixing up and down, and a laser receiving lamp 14.

FIG. 2 is a circuit diagram illustrating a microprocessor and an input / output unit for explaining the digital laser staff of the present invention. The microprocessor 40 embedded in the laser staff includes an EEPROM data storage space 18 and a current laser. The reception height display section 1 is connected, respectively, and performs an additional function by the input of each connected individual button 3-11.

Then, power is supplied to the microprocessor 40 through the push-on of the power-on circuit 19 and each button 3-11, and at the same time, the microprocessor 40 turns on the two transistors Q1 and Q2. To maintain power.

The laser signal detection is supplied to the individual input port of the microprocessor 40 as a square wave signal through the corresponding photosensor shown in FIG. 3.

 That is, Figure 3 is a circuit diagram showing the internal processing in detail in the digital laser staff of the present invention, in the laser receiver consisting of the built-in 164 photosensor to detect the laser signal through the corresponding photosensor (D1) In order to pass through the filter circuit 15, the high output amplifier circuit (OP1), the filter circuit 16, the voltage comparison circuit (CP1), the signal delay circuit 17 and the circuits (U1, U2), The current laser reception height display unit 1 displays the position value of the laser beam.

The other 163 photosensors are all configured in the same manner as described above and input to the individual input ports of the microprocessor 40.

The condenser C6 in series and the filter circuit 15 of the resistor R8 are connected to the photosensor D1, and the amplification circuit OP1 connected to the filter circuit 15 amplifies the sensor signal as much as possible. A sensor reference signal is supplied to the photosensor D1, and a Vcc voltage is supplied to the amplification circuit OP1.

Subsequently, the voltage comparator CP1 through the parallel capacitor C1 and the filter circuit 16 of the resistor R10 determines the sensor signal. At this time, if a reference signal is set and the sensor signal is equal to or greater than the reference signal, the signal is passed and processed. Here, the sensor output reference signal is supplied to the negative terminal of the voltage comparison circuit CP1.

Therefore, the output of the voltage comparison circuit CP1 is supplied to the signal delay circuit 17 of the diode D51, the resistor R63, and the capacitor C61, and the signal delay circuit 17 enters very short. The sensor signal is made longer by making the signal longer. The output of the signal delay circuit 17 produces a square wave signal so that the microprocessor 40 can be correctly input through each of the circuits U1 and U2.

4 is a circuit diagram showing a data transmission function for explaining the digital laser staff of the present invention, wherein a conversion unit 21 is connected to a communication-only microprocessor 50 installed in the laser staff. The dedicated microprocessor 50 inputs the current level value input to the microprocessor 40 shown in FIG. 2 into the communication dedicated microprocessor 50 in real time and transmits a signal through the RS-422 communication line. The converter 21 converts the RS-422 signal and transmits the data.

The operation of the present invention configured as described above will be described based on FIGS. 1 to 4. The present invention receives the signal of the laser beam is leveled by the laser receiver 2 of the laser staff main body 20, and the position of the laser beam within ± 1 mm within the radius of 100M (300M, 500M options) microprocessor ( The automatic measurement at 40) is a measuring device having a function of digitally displaying and controlling the level value on the LCD of the current laser reception height display unit 1 under the control and control of the microprocessor 40.

That is, the digital laser staff is a portable measuring instrument that detects, digitally digitizes, and displays the position of the laser light that is rotated by a laser transmitter at a predetermined speed or more by the laser receiver 2 of the laser staff main body 20. The principle of the laser staff is to determine the position of the vertical ± 150 (total length 300 mm) laser light in the unit of at least ± 1 mm using a laser reception-only photosensor (D1). A built-in circuit for blocking scattered light can be reliably detected.

In addition, as the distance between the laser transmitter and the laser staff main body 20 increases, the laser light of the destination increases, and at this time, the microprocessor 40 filters the software and hardware (see FIG. 3). The center of light can be accurately found and displayed on the LCD of the current laser reception height display unit 1.

At this time, in the laser staff main body 20, the dimension is L400 x W70 x D35, the detection accuracy is ± 1 mm (within 100 M), the detection height is 300 mm. The current display method of the laser reception height display unit 1 is a 7-segment LCD for backlight, and the display symbol is a battery remaining indication, a sign indication (-), a vertical position indication, a backlight use indication, and a reception indication on the LCD. . Four power sources of 1.5V AA are available, and the battery life is five hours (with continuous use).

The 164 photosensors D1 of the laser receiver 2 in the laser staff main body 20 are arranged at a height of 2 mm as shown in FIG. 1. In the microprocessor 40 illustrated in FIG. 2, when the laser receives two photosensors simultaneously to the photosensors D1 disposed at a height of 2 mm, the two photosensors are summed to display a center value so that the error is 1 up and down. It may have a reception error of mm.

Therefore, when the size of the laser point is large, a plurality of photosensors are received, and in this case, the values of all the photosensors received are averaged to display the center value.

In order to use the laser staff main body 20, the power of the laser staff main body 20 is supplied to the power-on button 3 connected to the microprocessor 40 shown in FIG. The power-off button 4 outputs a low signal to the power_en port after the input of the button to turn off the two transistors Q1 and Q2 to cut off the power.

The backlight button 5 turns on / off the LCD backlight of the laser reception height display unit 1 connected to the microprocessor 40 after the button is input.

The receiving sound button 6 turns on / off the built-in buzzer after the button is input, and the zero button 7 zeroes the level value currently received and displayed after the button is pressed.

After inputting the up / down reverse button 8 by the direction change, the sign of the level currently displayed is converted.

The memory shift button 9 maintains the current level in the LCD window even if the laser is received until the next button input after the button input is performed. After the next button input, the height of the laser is changed. It is displayed based on the current level.

Then, the 250 mm position shift button 10 displays a value obtained by adding +250 to the currently displayed level value after performing the button input. The 250 mm position shift button 11 displays a value obtained by adding -250 to the currently displayed level value after performing the -250 button input.

The numerical input function at the zero level in the laser staff main body 20 configured as described above is a function that can directly input the level value to the level position set by the zero button 7, wherein the input range is It is between 0 and 1999. This function inputs the value by combining existing buttons.

The order of execution is to press the up and down movement buttons (10, 11) of 250 mm at the same time, and the first '-' is blinking while '-0 0 0' is displayed on the LCD of the reception height indicator (1). At this time, the position shift button 10 increases the numerical value, the other position shift button 11 shifts the position to the side, the memory shift button 9 stores the entered numerical value, and the up-down reverse button 8 inputs Cancel a number.

Data is input using the position shift button 11 in the up / down reverse button 8, and '-' indicates 0 when the first data is input.

Figure 5 is a state diagram for measuring the horizontal level with the digital laser staff of the present invention, Figure 5 (a) is used to check the attachment level of the structure and the corresponding laser staff main body 20 on the structure in front of the laser transmitter 30 Install).

In this case, as the distance between the laser transmitter 30 and the laser staff main body 20 increases, the laser light of the destination increases as the distance increases. In this case, software and hardware filtering process to accurately find and display the center of the light. Can be.

5 (b) is used to check the horizontal level of the structure and the laser staff main body 20 is sequentially installed on the structure at a predetermined distance in front of the laser transmitter (30).

Therefore, the position of the laser light rotating at a predetermined speed or more in the laser transmitter 30 is determined by the corresponding photosensor D1 of pin pin diodes 1 to 164 of the laser receiver 2 in each laser staff main body 20. After the detection, the filter circuit 15, the high output amplification circuit OP1, the filter circuit 16, the voltage comparison circuit CP1, the signal delay circuit 17 to detect the laser signal as shown in FIG. And through the circuits U1 and U2 to be input to the microprocessor 40, in which the microprocessor 40 shown in FIG. 2 uses the current laser reception height indicator 1 to digitally convert the corresponding horizontal level value of the structure. It is digitized and displayed.

Therefore, the measurer can accurately check the level of the structure through the corresponding horizontal level values displayed on the current laser reception height display unit 1 of the laser staff main body 20.

Figure 6 is a state diagram for measuring the tilt with the digital laser staff of the present invention, it is used to check the tilt of the structure. That is, the laser staff main body 20, 20 'is provided in the both sides on the structure in front of the laser transmitter 30, respectively.

To check the inclination of the structure, the corresponding inclination value of the laser staff main body 20, 20 'is digitally digitized by the present laser reception height indicator 1 in the microprocessor 40 as shown in FIG. Let's go.

Therefore, through the corresponding inclination values displayed on the current laser reception height display unit 1 of the laser staff main body 20 and 20 ', the measurer can accurately check the inclination of the structure.

Figure 7 is a state diagram for measuring the vertical level with the digital laser staff of the present invention, it is used to check the straightness of the vertical structure. When the vertical measurement is performed by installing the laser staff main body 20 on the side of the structure in front of the laser transmitter 30, the microprocessor 40 shown in FIG. The level value is digitally displayed and displayed.

Therefore, through the corresponding vertical level value displayed on the current laser reception height display unit 1 of the laser staff main body 20, the measurer can accurately check the vertical side of the structure side.

In order to transmit the horizontal level value, the slope value and the horizontal level value to the digital laser staff of the present invention shown in FIGS. 5 to 7, the microprocessor 40 uses the communication-only microprocessor 50 shown in FIG. RS-422 signal can be converted to transmit the corresponding data.

As described above, in the application example of the present invention, since the laser transmitter 30 comes out of X, Y, and Z products, if the mounting position of the laser staff main body 20 is determined and installed in an appropriate place, the air shortening and assembly drawing Accuracy can be improved.

Since the digital laser staff of the present invention can be variously substituted, modified, and changed within the scope without departing from the technical spirit of the present invention for those skilled in the field of application of the technology to which the present invention belongs However, it is not limited to the above-described embodiment and the accompanying drawings.

1 is a perspective view showing a digital laser staff according to an embodiment of the present invention;

2 is a circuit diagram showing a microprocessor and an input / output unit for explaining the digital laser staff of the present invention;

3 is a circuit diagram showing the internal processing in detail in the digital laser staff of the present invention;

4 is a circuit diagram showing a data transmission function for explaining the digital laser staff of the present invention;

5 is a state diagram for measuring the horizontal level with the digital laser staff of the present invention,

6 is a state diagram measuring tilt with the digital laser staff of the present invention,

7 is a state diagram of measuring the vertical level with the digital laser staff of the present invention.

* Explanation of symbols for the main parts of the drawings

1: receiving height display part 2: laser receiving part

3-11: various buttons

20, 20 ': Laserstaff main body

30: laser transmitter

40, 50: each microprocessor

Claims (6)

The laser staff which measures and displays the horizontal level, vertical level, and inclination has a laser reception height indicator that displays the current level value on the LCD window with laser position display, 164 photosensors and scattered light blocking filter. Laser receivers each 150 mm are installed; A power on / off button sequentially, a backlight button for selecting illumination of the laser reception height display unit, a reception sound button for selecting a buzzer sound indicating whether the photo sensor is received, and a zero point for setting the currently received level value to '0' Button, up / down reverse button to change the level value increase direction, memory shift button to display the level value as it was before moving the level value change by the rotation laser level, select when moving the laser staff main body by 250 mm A 250 mm up / down button and a down 250 mm up / down button for selecting when moving the laser staff main body by 250 mm are installed respectively; A circular laser tube, a 10 mm tab for fixing up and down, and an LED laser receiving lamp with high brightness are respectively installed. The method of claim 1, The ESPROM data storage space portion and the current laser reception height display portion are respectively connected to the microprocessor embedded in the laser staff main body, and the digital laser star performs an additional function by inputting each connected individual button. Device. The method of claim 2, A power supply circuit is supplied to the microprocessor through a push input of each button, and at the same time, the microprocessor maintains power by turning on the transistors Q1 and Q2 of the power on circuit. . The method of claim 2, A microprocessor for communication is further installed, wherein the current level value input to the microprocessor is input to the microprocessor for real time in real time, and transmits a signal through an RS-422 communication line. . The method of claim 2, In the microprocessor, when the laser receives two photosensors simultaneously to a photosensor disposed at a height of 2 mm, the two laser sensors sum the two photosensors and display the center value. The method according to claim 1 or 2, The laser receiver comprises 164 photosensors built-in and includes a filter circuit, a high output amplification circuit, a filter circuit, a voltage comparator, a signal delay circuit and a circuit to detect the laser signal through the photosensor. Digital laser staff device characterized in that connected to the input port.

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