CN2924554Y - High-precision laser distance measuring device - Google Patents
High-precision laser distance measuring device Download PDFInfo
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- CN2924554Y CN2924554Y CN 200620039825 CN200620039825U CN2924554Y CN 2924554 Y CN2924554 Y CN 2924554Y CN 200620039825 CN200620039825 CN 200620039825 CN 200620039825 U CN200620039825 U CN 200620039825U CN 2924554 Y CN2924554 Y CN 2924554Y
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- laser range
- finding device
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Abstract
The utility model relates to a high precision laser ranging device, which comprises a microcontroller, a storage extension module, a communication interface module, a power supply system module, a laser modulator driver module, a laser transmitter, a laser activated signal driver module, a laser receiver power module, a laser receiver module, a filter amplifier, a high precision time intervals measurement and an output module. Compared with the prior art, the utility model has the advantages of that measurement time is short, measurement precision is high, measurement distance is long, anti-interference capability is strong, and the function of setting and saving measurement parameters is provided.
Description
Technical field
The utility model relates to distance measuring equipment, relates in particular to a kind of high-precision laser range-finding device.
Background technology
The scheme of current range finding mainly contains infrared electro range finding, ultrasonic ranging and laser ranging etc.Laser ranging can be divided into pulse type laser range finding and the laser ranging of continuous wave phase type on technological approaches.The pulse type laser range measurement principle is similar to radar range finding, stadimeter is launched laser signal to target, running into target will be reflected, because the velocity of propagation of light is known, as long as so note the two-way time of light signal, multiply by 1/2nd of two-way time with the light velocity (300,000 thousand meter per second), the distance that will measure exactly, its precision depends on the measuring accuracy to two-way time.The laser ranging of continuous wave phase type is the laser beam irradiation measured target with continuously modulation, and the phase change that causes from measuring beam comes and goes can converse the distance of measured target.This dual mode laser ranging respectively has characteristics, and the distance that the pulse type laser range finding is measured is farther, and the precision of phase type laser ranging is higher.Comparatively speaking, the phase type laser ranging is applicable to the high-precision measurement of short distance, and the pulse type laser range finding is then as long as improve the range finding that the measuring accuracy of two-way time then can realize high accuracy remote.Existing Laser Distance Measuring Equipment is because its parts type selecting and configuration are reasonable inadequately, and cause finding range accuracy and effect such as anti-interference are not ideal enough.
The utility model content
It is short that the purpose of this utility model is exactly a kind of Measuring Time that provides for the defective that overcomes above-mentioned prior art existence, distance, the high-precision laser range-finding device that antijamming capability is strong.
The purpose of this utility model can be achieved through the following technical solutions: a kind of high-precision laser range-finding device is characterized in that this device comprises microcontroller, storage expanding module, communication interface module, power system modules, Laser Modulation driver module, generating laser, laser enabling signal driver module, laser pick-off power module, laser pick-off module, filter amplifier, high precision time interval measurement device and output module.
Described laser ranging system produces a high-voltage modulation pulsating wave by the Laser Modulation driver module, send to generating laser by a fixing frequency, generating laser is launched the laser of a band modulating pulse, trigger laser enabling signal output module and export an enabling signal this moment, this signal twt amplifier after filtration continues to handle to signal, be transferred to the high precision time interval measurement device again, this signal is beginning star signal; The laser radiation of launching is on testee, reflect by photoreceiver and receive, become the modulating pulse electric signal through opto-electronic conversion, this signal twt amplifier after filtration continues to handle, be transferred to the high precision time interval measurement device, this signal is for stopping the stop signal; The high precision time interval measurement device calculates their time interval by comparison star signal and stop signal, take repeatedly to measure to average, said process is repeatedly moved, and data are sent to microcontroller successively, carry out data processing by microcontroller, calculate the actual measurement distance, by communication interface module measurement data is transferred to host computer again and shows, simultaneously by the output module output drive signal; Described storage expanding module is used for stored programme and some important modification data.
Described microcontroller is selected the HD64F5388 of Hitachi company or the XC163 chip of Infineon company for use.
Described storage expanding module adopts IDT71256 and ST93C66.
Described generating laser is selected YAG Solid State Laser transmitter for use.
Described photoreceiver adopts avalanche photodide APD.
Described filter amplifier is selected LM224 for use, LM6142, LMC6464, LMC6482, LMC6484.
Described high precision time interval measurement device is selected the TDC-GP1 of ACAM company for use.
Described output module is selected the BTS707 of Infineon company for use.
Described communication interface module is selected MAX202E for use, MAX488, perhaps MAX3222E, MAX773E.
Compared with prior art, the utlity model has the Measuring Time weak point, the measuring accuracy height, far measuring distance, antijamming capability is strong, and characteristics such as being provided with and preserving the measurement parameter function are arranged.
Description of drawings
Fig. 1 is the structured flowchart of a kind of high-precision laser range-finding device of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of high-precision laser range-finding device, adopting the HD64F5388 of Hitachi company is microcontroller; IDT71256 and ST93C66 are storage expanding module; YAG Solid State Laser transmitter is a generating laser; Avalanche photodide APD is a photoreceiver; LM224, LM6142, LMC6464, LMC6482, LMC6484 are filter amplifier; TDC-GP1 is the high precision time interval measurement device; BTS707 is an output module, and MAX202E, MAX488 are communication interface module.
The supply voltage of this system is DC18V～30V, YAG Solid State Laser transmitter is according to the laser of the frequency emission band modulated pulse signal of 1kHz, when laser pulse is launched, trigger one of laser enabling signal driver module output and launch the identical modulated pulse signal of laser, this signal is through filter amplifying processing, then signal is input to high precision time interval measurement device TDC-GP1, claims that this signal is the star signal; After running into measured target, the laser of the band modulated pulse signal of launching is reflected, photoreceiver APD receives the laser of this band modulated pulse signal, continue opto-electronic conversion subsequently and become the modulating pulse electric signal, this signal also is input to high precision time interval measurement device TDC-GP1 through after the filter amplifying processing, claims that this signal is the stop signal; High precision time interval measurement device TDC-GP1 continues comparison process by star signal and the stop signal to input, obtains the data of the mistiming between them, at last these data transmission is arrived microcontroller HD64F5388.Thereby microcontroller HD64F5388 carries out the range data that calculation process obtains actual measurement to these data, this moment, microcontroller HD64F5388 can select for use the wherein a kind of and host computer in RS-232 or two kinds of communication modes of RS-485 to continue communication by communication module MAX202E and MAX488, showed the range data of actual measurement; Controller HD64F5388 sends drive signal to output driver module BTS707 simultaneously, produces current analog amount output port and 2 digital output ports of a 0～20mA.
Measurement parameter can carry out corresponding setting and preservation according to actual conditions, and parameter is set for these and program can be kept in storage expanding module IDT71256 and the ST93C66.
The measurement response time of this distance measuring equipment is short, measuring accuracy height, good stability; antijamming capability is strong, can continue the setting of measurement parameter according to user's needs, is applied to non-contacting high-acruracy survey; specifically can be used for the measurement of product in the industry, location and distance protection etc.
Claims (9)
1. a high-precision laser range-finding device is characterized in that, this device comprises microcontroller, storage expanding module, communication interface module, power system modules, the Laser Modulation driver module, generating laser, laser enabling signal driver module, laser pick-off power module, the laser pick-off module, filter amplifier, high precision time interval measurement device and output module, described microcontroller directly or indirectly are connected with above-mentioned each module respectively.
2. a kind of high-precision laser range-finding device according to claim 1 is characterized in that, described microcontroller is selected the HD64F5388 of Hitachi company or the XC163 chip of Infineon company for use.
3. a kind of high-precision laser range-finding device according to claim 1 is characterized in that, described storage expanding module adopts IDT71256 and ST93C66.
4. a kind of high-precision laser range-finding device according to claim 1 is characterized in that, described generating laser is selected YAG Solid State Laser transmitter for use.
5. a kind of high-precision laser range-finding device according to claim 1 is characterized in that, described photoreceiver adopts avalanche photodide APD.
6. a kind of high-precision laser range-finding device according to claim 1 is characterized in that described filter amplifier is selected LM224 for use, LM6142, LMC6464, LMC6482, LMC6484.
7. a kind of high-precision laser range-finding device according to claim 1 is characterized in that described high precision time interval measurement device is selected the TDC-GP1 of ACAM company for use.
8. a kind of high-precision laser range-finding device according to claim 1 is characterized in that described output module is selected the BTS707 of Infineon company for use.
9. a kind of high-precision laser range-finding device according to claim 1 is characterized in that described communication interface module is selected MAX202E for use, MAX488, perhaps MAX3222E, MAX773E.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620039825 CN2924554Y (en) | 2006-02-28 | 2006-02-28 | High-precision laser distance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620039825 CN2924554Y (en) | 2006-02-28 | 2006-02-28 | High-precision laser distance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2924554Y true CN2924554Y (en) | 2007-07-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620039825 Expired - Fee Related CN2924554Y (en) | 2006-02-28 | 2006-02-28 | High-precision laser distance measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN2924554Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655563B (en) * | 2008-08-21 | 2012-07-04 | 金华市蓝海光电技术有限公司 | Laser ranging method with high accuracy and low power consumption and device thereof |
| CN106154815A (en) * | 2016-07-27 | 2016-11-23 | 哈尔滨睿之芯信息技术股份有限公司 | Split-second precision TT&C system for the field of finding range |
| WO2018023361A1 (en) * | 2016-08-02 | 2018-02-08 | 邹霞 | Distance detector having laser light source |
| CN111323013A (en) * | 2018-12-14 | 2020-06-23 | 沈阳新松机器人自动化股份有限公司 | AGV profile navigation sensor |
-
2006
- 2006-02-28 CN CN 200620039825 patent/CN2924554Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655563B (en) * | 2008-08-21 | 2012-07-04 | 金华市蓝海光电技术有限公司 | Laser ranging method with high accuracy and low power consumption and device thereof |
| CN106154815A (en) * | 2016-07-27 | 2016-11-23 | 哈尔滨睿之芯信息技术股份有限公司 | Split-second precision TT&C system for the field of finding range |
| WO2018023361A1 (en) * | 2016-08-02 | 2018-02-08 | 邹霞 | Distance detector having laser light source |
| CN111323013A (en) * | 2018-12-14 | 2020-06-23 | 沈阳新松机器人自动化股份有限公司 | AGV profile navigation sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Paien Science and Technology Co., Ltd., Shanghai Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Paien Science and Technology Co., Ltd., Shanghai Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070718 Termination date: 20130228 |