CN204228952U - A kind of laser ranging display device - Google Patents
A kind of laser ranging display device Download PDFInfo
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- CN204228952U CN204228952U CN201420565547.1U CN201420565547U CN204228952U CN 204228952 U CN204228952 U CN 204228952U CN 201420565547 U CN201420565547 U CN 201420565547U CN 204228952 U CN204228952 U CN 204228952U
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Abstract
A kind of laser ranging display device, for the data display after laser ranging, comprising: distance measuring sensor, display screen (2), for assemble distance measuring sensor, display screen cabinet (1) and for realizing communication unit that distance measuring sensor shows to screen data and data terminal unit.The signal transmitting terminal (4) of described distance measuring sensor, signal receiving end (5) and display screen are all fixedly arranged on cabinet, and described communication unit, data terminal unit are arranged in cabinet.A kind of laser ranging display device of the present utility model, can operate use, without the need to external any equipment convenient and simplely at the scene.
Description
Technical field
The utility model belongs to data display field, is specifically related to a kind of laser ranging display device.
Background technology
Existing laser range sensor can only be pure the signal data measured by output, can not directly show, needing external computer equipment to read after the data sended over can display distance, is not easy to carry and use.
Utility model content
The purpose of this utility model is to provide a kind of laser ranging display device that can be convenient for carrying, it adopts laser range sensor as measuring element, use during this laser range sensor and just can measure larger distance with the use of laser ranging reflecting plate, measurement data is accurate, and can directly show measured data in measure field, use can be operated at the scene, without the need to external any equipment convenient and simplely.
For realizing above technical purpose, the utility model provides a kind of laser ranging display device, and its technical scheme is specific as follows:
A kind of laser ranging display device, for the data display after laser ranging, is characterized in that comprising:
Distance measuring sensor, display screen (2), for assemble distance measuring sensor, display screen cabinet (1) and for realizing communication unit that distance measuring sensor shows to screen data and data terminal unit;
The signal transmitting terminal (4) of described distance measuring sensor, signal receiving end (5) and display screen are all fixedly arranged on cabinet, and described communication unit, data terminal unit are arranged in cabinet;
The signal output part of described distance measuring sensor is connected to the signal receiving end of communication unit; The signal output part of described communication unit is connected to the signal receiving end of data terminal unit; The signal output part of described data terminal unit connects the signal receiving end of display screen;
Described device also comprises the power supply unit of powering for distance measuring sensor, display screen, communication unit and data terminal unit and the circuit master switch (3) controlling way circuit break-make; Described power supply unit is powered directly to distance measuring sensor; Described power supply unit powers to respectively after DC-DC step-down communication unit, data terminal unit and display screen;
Described power supply unit is arranged in cabinet, and described circuit master switch is arranged on cabinet.
According to a kind of laser ranging display device of the present utility model, it is characterized in that,
The signal output part of described data terminal unit comprises signal of communication output terminal and command signal output terminal;
Described display screen signal receiving end comprises signal of communication receiving end and command signal receiving end;
The signal of communication output terminal of described data terminal unit is connected to display screen signal of communication receiving end;
The command signal output terminal of described data terminal unit is connected to display screen command signal receiving end.
According to a kind of laser ranging display device of the present utility model, it is characterized in that,
Described DC-DC step-down is realized by a three-terminal regulator block,
The power input of described three-terminal regulator block connects power supply unit power output end, and the power output end of described three-terminal regulator block is connected with the power input of the power input of described communication unit, the power input of data terminal and display screen.
According to a kind of laser ranging display device of the present utility model, it is characterized in that,
Described communication unit comprises DC-DC boosting subelement and AD conversion subelement;
The signal output part of described distance measuring sensor is connected to the signal input part of DC-DC boosting subelement;
The signal output part of described DC-DC boosting subelement is connected to the signal input part of AD conversion subelement;
The signal output part of described AD conversion subelement is connected to the signal receiving end of data terminal unit.
According to a kind of laser ranging display device of the present utility model, it is characterized in that,
On the circuit that the power output end of three-terminal regulator block is connected with data terminal unit power input, a differentiator in parallel is to the reset terminal of data terminal unit.
According to a kind of laser ranging display device of the present utility model, it is characterized in that, on the circuit that the power output end of three-terminal regulator block is connected with data terminal unit power input, a hand switch in parallel is to the reset terminal of data terminal unit, and described hand switch is arranged at can manual operation place on cabinet.
According to a kind of laser ranging display device of the present utility model, it is characterized in that, an adjustable resistance in parallel on the circuit that the power output end of three-terminal regulator block is connected with the power input of display screen, the intermediate ends of described adjustable resistance connects the VEE end of display screen.
According to a kind of laser ranging display device of the present utility model, it is characterized in that, described power supply unit is made up of Rechargeable battery group, cabinet is provided with for Rechargeable battery group charging jack.
According to a kind of laser ranging display device of the present utility model, it is characterized in that,
The command signal output terminal of described data terminal unit comprises INT1 end, T0 end and T1 end;
Described display screen command signal receiving end comprises RS end, RW end and E end;
Described INT1 end is connected to RS end, and described T0 end is connected to RW end, and described T1 end is connected to E end.
Technical scheme described in the utility model, distance measuring sensor and display unit, communication unit and power supply unit are arranged in a cabinet, solve the defect that existing laser range sensor directly can not carry out measurement data display at the scene, it just can measure larger distance with the use of laser ranging reflecting plate, measurement data is accurate, and can directly show measured data, use can be operated at the scene, without the need to external any equipment convenient and simplely.
Accompanying drawing explanation
Fig. 1 is circuit theory schematic diagram of the present utility model;
Fig. 2 is device external structure block diagram of the present utility model;
Fig. 3 is electric theory structure schematic diagram of the present utility model;
Fig. 4 is single-chip minimum system principle embodiment schematic diagram;
Fig. 5 is oscillatory circuit embodiment schematic diagram;
Fig. 6 is reset terminal reset circuit embodiment schematic diagram.
In figure, 1 is cabinet; 2 is display screen; 3 is circuit master switch; 4 is distance measuring sensor signal transmitting terminal; 5 is distance measuring sensor signal receiving end.
Embodiment
Below, according to specification drawings and specific embodiments, a kind of laser ranging display device of the present utility model is further described in detail.
A kind of laser ranging display device as shown in Figure 1, 2, 3, for the data display after laser ranging, comprise distance measuring sensor, display screen (2), for assemble distance measuring sensor, display screen cabinet (1) and for realizing communication unit that distance measuring sensor shows to screen data and data terminal unit;
The signal transmitting terminal (4) of described distance measuring sensor, signal receiving end (5) and display screen are all fixedly arranged on cabinet, and described communication unit, data terminal unit are arranged in cabinet;
The signal output part of described distance measuring sensor is connected to the signal receiving end of communication unit; The signal output part of described communication unit is connected to the signal receiving end of data terminal unit; The signal output part of described data terminal unit connects the signal receiving end of display screen;
Described device also comprises the power supply unit of powering for distance measuring sensor, display screen, communication unit and data terminal unit and the circuit master switch (3) controlling way circuit break-make; Described power supply unit is powered directly to distance measuring sensor; Described power supply unit powers to respectively after DC-DC step-down communication unit, data terminal unit and display screen;
Described power supply unit is arranged in cabinet, and described circuit master switch is arranged on cabinet.
Further, the signal output part of described data terminal unit comprises signal of communication output terminal and command signal output terminal;
Described display screen signal receiving end comprises signal of communication receiving end and command signal receiving end;
The signal of communication output terminal of described data terminal unit is connected to display screen signal of communication receiving end;
The command signal output terminal of described data terminal unit is connected to display screen command signal receiving end.
Further, described DC-DC step-down is realized by a three-terminal regulator block,
The power input of described three-terminal regulator block connects power supply unit power output end, and the power output end of described three-terminal regulator block is connected with the power input of the power input of described communication unit, the power input of data terminal and display screen.
Further, described communication unit comprises DC-DC boosting subelement and AD conversion subelement;
The signal output part of described distance measuring sensor is connected to the signal input part of DC-DC boosting subelement;
The signal output part of described DC-DC boosting subelement is connected to the signal input part of AD conversion subelement;
The signal output part of described AD conversion subelement is connected to the signal receiving end of data terminal unit.
Further, on the circuit be connected with data terminal unit power input at the power output end of three-terminal regulator block, a differentiator in parallel is to the reset terminal of data terminal unit.
Further, on the circuit that the power output end of three-terminal regulator block is connected with data terminal unit power input, a hand switch in parallel is to the reset terminal of data terminal unit, and described hand switch is arranged at can manual operation place on cabinet.
Further, an adjustable resistance in parallel on the circuit that the power output end of three-terminal regulator block is connected with the power input of display screen, the intermediate ends of described adjustable resistance connects the VEE end of display screen.
Further, described power supply unit is made up of Rechargeable battery group, cabinet is provided with for Rechargeable battery group charging jack.
Further, the command signal output terminal of described data terminal unit comprises INT1 end, T0 end and T1 end;
Described display screen command signal receiving end comprises RS end, RW end and E end;
Described INT1 end is connected to RS end, and described T0 end is connected to RW end, and described T1 end is connected to E end.
A kind of laser ranging display device of the present utility model is made up of hardware and software two part, wherein software is fired in respective chip, hardware comprise for equipment provides non-maintaining rechargeable battery, laser range sensor, the circuit board of power supply, wherein on circuit board containing STC89C52RC single-chip microcomputer, MAX232CPE chip, 7805 regulator blocks, for showing 1602 liquid crystal display modules of data, and composition single-chip minimum system necessary frequency is the components and parts compositions such as the crystal oscillator of 11.0592,2 30 pico farad ceramic disc capacitors.
Its principle of work: for laser range sensor and circuit board provide required operating voltage after pressing K switch, what wherein provide to laser sensor is directly the direct supply of 12V, and the 12V direct current be sent on circuit board exports after 7805 power supply chips 5V direct supply is the single-chip microcomputer on circuit board, MAX232CPE chip, LCD1602 liquid crystal display module provide 5V working power.The laser beam that naked eyes can not be shown in is launched after laser range sensor obtains electric work, after running into testee, sensor captures the part of laser beam reflected, after sensor internal circuit counting, draw the distance of testee, thus export RS232 data-signal voluntarily.It should be noted that, can directly aim at the objects such as metope when laser range sensor closely uses and measure, and the laser reflection plate of stronger reflection function need be had with the use of smooth surface time more remote.89C52 single-chip microcomputer is sent to after treatment after receiving for the MAX232CPE chip of RS232 signal communication the signal that laser sensor transmits, constantly receive RS232 data by program compiled in single-chip microcomputer and be directly shown in real time in 1602 LCDs, just can see measured distance intuitively.
Device is summarized
As shown in Figure 1, a kind of laser ranging display device of the present utility model, comprise 12V battery, 7805 regulator blocks, STC89C52RC single-chip microcomputer, MAX232 integrated chip, and ensure its some peripheral cells normally worked, as electric capacity, resistance, crystal oscillator, also have 1602 LCDs for showing, and with the connecting interface of laser sensor and wire.12V battery just connecing 7805 regulator blocks 1 pin (VI), negative connect 2 pin (GND), after 7805 regulator blocks, 3 pin (VO) export the voltage of 5V.By 12V battery directly for distance measuring sensor provides required working power, connect 6 pin (VCC) of J1 port, 4 pin (GND) respectively.
Data terminal unit
Data terminal unit as shown in Figure 4, its core devices is STC89C52 single-chip microcomputer, select be STC Corporation produce a kind of low-power consumption, high-performance CMOS 8 8-digit microcontroller, it is enhancement mode 8051 single-chip microcomputer, use 5V power supply, wherein positive pole connects 40 pins, negative pole () connect 20 pins.Periphery components and parts all make single-chip microcomputer better work and set up.
Oscillating circuit single-chip microcomputer is as shown in Figure 5 a kind of sequential circuit, and pulse signal must be provided normally to work, and be integrated with oscillator in single-chip microcomputer inside, using crystal oscillator, is the guarantee that Single Chip Microcomputer (SCM) system normally works.If oscillator not starting of oscillation, system can not work, if oscillator runs irregular, and will error on time of occurrence when system executive.It is made up of a crystal oscillator and two ceramic disc capacitors, and crystal oscillator X1 two ends connect 18,19 pin of single-chip microcomputer respectively, and crystal oscillator and ceramic disc capacitor do not have positive and negative, notices that end that two ceramic disc capacitors are connected must ground connection.Connect by Fig. 1.The frequency that crystal oscillator is selected is 11.0592M, can obtain 9600 baud rates accurately.
Be illustrated in figure 6 reset terminal reset circuit, make program start anew to perform to single-chip microcomputer reset signal (low level of a certain hour); Generally have reset mode in two: electrification reset, the principle utilizing electric capacity both end voltage not suddenly change when system one powers on is to system one low level in short-term; Hand-reset, connect low level to system reset by button SB, if at this moment hand is according to not putting always, system will reset always, cisco unity malfunction.Display screen
Liquid-crystal display section is connected with LCDs primarily of single-chip microcomputer, is shown by Micro Controller Unit (MCU) driving liquid crystal display, and concrete connection line is shown in Fig. 1.Used LCD1602, it be a the most frequently used be also the most cheap LCDs, can show two column criterion characters, often capable display 16 characters, are widely used in intelligent instrument, communication, business automation equipment.Its Main Function is display ASCII character character.1st pin: VSS is ground power supply.2nd pin: VDD connects 5V positive supply.3rd pin: VEE is liquid crystal display setting contrast end, employs the potentiometer adjustment contrast of a 10K.4th pin: RS is that register is selected, selection instruction register when selection data register, low level during high level.5th pin: R/W is reading writing signal line, read operation is carried out during high level, write operation is carried out when RS and R/W is jointly for writing instruction or display address during low level during low level, can busy signal be read when RS be low level R/W is high level, can data be write when RS be high level R/W is low level.6th pin: E holds as Enable Pin, when E end is become low level by high level saltus step, and Liquid Crystal Module fill order.7th ~ 14 pin: D0 ~ D7 is 8 bidirectional data lines.15th pin: backlight positive pole.16th pin: LED-OV.
Communication unit
As seen from Figure 1, use MAX232 chip to carry out serial port level conversion, two parts can be divided into.1) charge pump.The main task of charge pump is the ± power supply of 10V by direct current 5V Power convert, to meet the needs that TTL/CMOS level conversion becomes RS23 level.Electrochemical capacitor (C4-C7) primarily of 1-6 pin and external 4 0.1uF forms.2) be by the RS232 level of ± 10V, convert TTL/CMOS level to.J1 interface the 2nd pin Output of laser distance measuring sensor RS232 level, inputs MAX232 chip by 13 pin (R1IN), and the TTL/CMOS level after conversion is delivered to 10 pin receiving end RXD of single-chip microcomputer by 12 pin (R1OUT).16 pin (VCC) power end ,+5V DC power supply; 15 pin (GND), power ground.
A kind of laser ranging display device of the present utility model, can operate use, without the need to external any equipment convenient and simplely at the scene.
Claims (9)
1. a laser ranging display device, for the data display after laser ranging, is characterized in that comprising:
Distance measuring sensor, display screen (2), for assemble distance measuring sensor, display screen cabinet (1) and for realizing communication unit that distance measuring sensor shows to screen data and data terminal unit;
The signal transmitting terminal (4) of described distance measuring sensor, signal receiving end (5) and display screen are all fixedly arranged on cabinet, and described communication unit, data terminal unit are arranged in cabinet;
The signal output part of described distance measuring sensor is connected to the signal receiving end of communication unit; The signal output part of described communication unit is connected to the signal receiving end of data terminal unit; The signal output part of described data terminal unit connects the signal receiving end of display screen;
Described device also comprises the power supply unit of powering for distance measuring sensor, display screen, communication unit and data terminal unit and the circuit master switch (3) controlling way circuit break-make; Described power supply unit is powered directly to distance measuring sensor; Described power supply unit powers to respectively after DC-DC step-down communication unit, data terminal unit and display screen;
Described power supply unit is arranged in cabinet, and described circuit master switch is arranged on cabinet.
2. a kind of laser ranging display device according to claim 1, is characterized in that,
The signal output part of described data terminal unit comprises signal of communication output terminal and command signal output terminal;
Described display screen signal receiving end comprises signal of communication receiving end and command signal receiving end;
The signal of communication output terminal of described data terminal unit is connected to display screen signal of communication receiving end;
The command signal output terminal of described data terminal unit is connected to display screen command signal receiving end.
3. a kind of laser ranging display device according to claim 1, is characterized in that,
Described DC-DC step-down is realized by a three-terminal regulator block,
The power input of described three-terminal regulator block connects power supply unit power output end, and the power output end of described three-terminal regulator block is connected with the power input of the power input of described communication unit, the power input of data terminal and display screen.
4. a kind of laser ranging display device according to claim 1, is characterized in that,
Described communication unit comprises DC-DC boosting subelement and AD conversion subelement;
The signal output part of described distance measuring sensor is connected to the signal input part of DC-DC boosting subelement;
The signal output part of described DC-DC boosting subelement is connected to the signal input part of AD conversion subelement;
The signal output part of described AD conversion subelement is connected to the signal receiving end of data terminal unit.
5. a kind of laser ranging display device according to claim 3, is characterized in that,
On the circuit that the power output end of three-terminal regulator block is connected with data terminal unit power input, a differentiator in parallel is to the reset terminal of data terminal unit.
6. a kind of laser ranging display device according to claim 3 or 5, it is characterized in that, on the circuit that the power output end of three-terminal regulator block is connected with data terminal unit power input, a hand switch in parallel is to the reset terminal of data terminal unit, and described hand switch is arranged at can manual operation place on cabinet.
7. a kind of laser ranging display device according to claim 1, it is characterized in that, an adjustable resistance in parallel on the circuit that the power output end of three-terminal regulator block is connected with the power input of display screen, the intermediate ends of described adjustable resistance connects the VEE end of display screen.
8. a kind of laser ranging display device according to claim 1, it is characterized in that, described power supply unit is made up of Rechargeable battery group, cabinet is provided with for Rechargeable battery group charging jack.
9. a kind of laser ranging display device according to claim 2, is characterized in that,
The command signal output terminal of described data terminal unit comprises INT1 end, T0 end and T1 end;
Described display screen command signal receiving end comprises RS end, RW end and E end;
Described INT1 end is connected to RS end, and described T0 end is connected to RW end, and described T1 end is connected to E end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565547.1U CN204228952U (en) | 2014-09-28 | 2014-09-28 | A kind of laser ranging display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565547.1U CN204228952U (en) | 2014-09-28 | 2014-09-28 | A kind of laser ranging display device |
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| CN204228952U true CN204228952U (en) | 2015-03-25 |
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| CN201420565547.1U Expired - Fee Related CN204228952U (en) | 2014-09-28 | 2014-09-28 | A kind of laser ranging display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030914A (en) * | 2021-02-24 | 2021-06-25 | 安徽理工大学 | Urban engineering surveying and mapping measuring device for building heritage and using method thereof |
-
2014
- 2014-09-28 CN CN201420565547.1U patent/CN204228952U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030914A (en) * | 2021-02-24 | 2021-06-25 | 安徽理工大学 | Urban engineering surveying and mapping measuring device for building heritage and using method thereof |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20160928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |