CN211740116U - Laser position detection device - Google Patents
Laser position detection device Download PDFInfo
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- CN211740116U CN211740116U CN202020499776.3U CN202020499776U CN211740116U CN 211740116 U CN211740116 U CN 211740116U CN 202020499776 U CN202020499776 U CN 202020499776U CN 211740116 U CN211740116 U CN 211740116U
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- 238000001514 detection method Methods 0.000 title claims abstract description 69
- 239000011521 glass Substances 0.000 claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model provides a laser position detection device relates to laser detection technical field. The device comprises a shell, protective glass, filter glass, a signal detection board, a transparent window and a photosensitive detection circuit; the shell comprises a main shell and a back plate, the main shell is provided with the transparent window, and the back plate is arranged on the opposite side of the main shell of the shell; the protective glass is arranged on the inner side of the main shell and positioned between the transparent window and the filter glass; the filter glass is arranged between the protective glass and the signal detection plate; the signal detection board is arranged between the filter glass and the back board; the photosensitive detection circuit is fixedly arranged on the signal detection plate; through receiving external light, realize the detection to the object position, compare current laser position detection device, simple structure does not receive the complex environment influence, and the position detection precision is higher, the operation of being convenient for.
Description
Technical Field
The utility model relates to a laser detection technical field especially relates to a laser position detection device.
Background
The laser detection technology is the earliest and most mature technology applied in the field of laser application, and is an automatic non-contact measurement method realized by utilizing the characteristics of good monochromaticity and coherence, strong directivity and the like of laser. Compared with the common position detection technology, the method is insensitive to electromagnetic interference. The laser detection has strong anti-interference capability, high corresponding speed, high measurement precision and good implementation when the detection frequency is high, and can stably work in various complex environments.
The existing laser position detection device is complex in structure, and scanning is performed by using rotation of a laser transmitter, so that when shaking and vibration are caused, axial rotation of the laser transmitter shakes to cause deviation of a vertical or horizontal axis positioning coordinate, the position coordinate of an object received by a laser receiver is inaccurate, and the position detection error is large.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a laser position detection device.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a laser position detection device comprises a shell, a protective glass, a filter glass, a signal detection plate, a transparent window and a photosensitive detection circuit;
the shell comprises a main shell and a back plate, the main shell is provided with the transparent window, and the back plate is arranged on the opposite side of the main shell of the shell;
the protective glass is arranged on the inner side of the main shell and positioned between the transparent window and the filter glass;
the filter glass is arranged between the protective glass and the signal detection plate;
the signal detection board is arranged between the filter glass and the back board;
the photosensitive detection circuit is embedded in the signal detection plate; the photosensitive detection circuit comprises a communication circuit, a power supply conversion circuit, a main control circuit, an AD conversion circuit, a reference voltage circuit and a light detection circuit;
the input of power supply conversion circuit is system power supply input, the output with master control circuit's input links to each other, reference voltage circuit, communication circuit, AD converting circuit, light detection circuit's power input end is connected respectively to master control circuit's power output end, light detection circuit receives external light and regards as input signal and converts into voltage signal, and its output is connected AD converting circuit input, AD converting circuit's control input end connect master control circuit's control output, and master control circuit's storage input is connected to AD converting circuit's collection output, master control circuit's transmission output with communication circuit's receiving input links to each other, communication circuit's transmission output links to each other with master control circuit's receiving input.
The light detection circuit comprises n photosensitive devices and n pull-down resistors, and each photosensitive device is connected with the corresponding pull-down resistor in series and then connected in parallel.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model provides a laser position detection device compares current laser position detection device, and simple structure does not receive the complex environment influence, and the position detection precision is higher, the operation of being convenient for.
Drawings
Fig. 1 is a schematic view of a laser position detecting device according to an embodiment of the present invention;
the device comprises a shell, a piece of protective glass, a piece of 3-filter glass, a signal detection board, a rear back board, a transparent window and a photosensitive detection circuit, wherein the shell is 1-2-protective glass, the filter glass is 3-4-the signal detection board, the rear back board is 5-the transparent window is 6-the photosensitive detection circuit is 7-the photosensitive detection circuit is;
FIG. 2 is a schematic diagram of a photosensitive detection circuit according to an embodiment of the present invention;
the circuit comprises a 4-1-communication circuit, a 4-2-power conversion circuit, a 4-3-main control circuit, a 4-4-AD conversion circuit, a 4-5-reference voltage circuit and a 4-6-optical detection circuit.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the accompanying drawings.
A laser position detection device is shown in figure 1 and comprises a shell, a protective glass, a filter glass, a signal detection plate, a transparent window and a photosensitive detection circuit;
the shell comprises a main shell and a back plate, the main shell is provided with the transparent window, and the back plate is arranged on the opposite side of the main shell of the shell;
the protective glass is arranged on the inner side of the main shell and positioned between the transparent window and the filter glass;
the filter glass is arranged between the protective glass and the signal detection plate;
the signal detection board is arranged between the filter glass and the back board;
the photosensitive detection circuit is fixedly arranged on the signal detection plate; the photosensitive detection circuit comprises a communication circuit, a power supply conversion circuit, a main control circuit, an AD conversion circuit, a reference voltage circuit and a light detection circuit;
the input of power supply conversion circuit is system power supply input, the output with master control circuit's input links to each other, reference voltage circuit, communication circuit, AD converting circuit, light detection circuit's power input end is connected respectively to master control circuit's power output end, light detection circuit receives external light and regards as input signal and converts into voltage signal, and its output is connected AD converting circuit input, AD converting circuit's control input end connect master control circuit's control output, and master control circuit's storage input is connected to AD converting circuit's collection output, master control circuit's transmission output with communication circuit's receiving input links to each other, communication circuit's transmission output links to each other with master control circuit's receiving input.
The light detection circuit comprises n photosensitive devices and n pull-down resistors, and each photosensitive device is connected with the corresponding pull-down resistor in series and then connected in parallel.
In this embodiment, the photodetection circuit is shown in fig. 2, wherein the 4-1 communication circuit is mainly responsible for data interaction, the 4-2 power conversion circuit p7805, system voltage conversion, converts an external 8-24V voltage into a voltage circuit required by the system, the 4-3 main control circuit is responsible for reading AD conversion (AD490) circuit data to realize data exchange with other devices through the communication circuit, the 4-4AD conversion circuit performs digital conversion on photodetection (temt6000) circuit data, the 4-5 reference voltage circuit provides a stable reference power for the AD conversion circuit, and the 4-6 photodetection circuit is responsible for receiving external light and converting the external light into a voltage signal.
In the embodiment of fig. 2, U1 is an AD conversion chip, a control chip STC2052AD in U2, a U3 isolated power supply, a U4 and U7 photocoupler 6n137, a U5 communication module RX485, a U6 voltage stabilization module P7805, and S1 is a dial switch (address setting), Q1-Q16 photosensitive elements TEMT6000, and R1-R16 sampling resistors. L1, L2 digital power supply and analog power supply conversion inductance, Ds1-Ds3 are electrostatic diodes, protection circuit overvoltage and overcurrent protection elements, and V1 is an AD converter reference voltage conversion chip. D3 prevents the power reverse diode, R22 and D4 power indicator lamp circuit, C1, C2, C5, C6, C7, C8 are power filter inductance, R20, R24 are current limiting resistance, the protection photocoupler prevents the overcurrent, R19, R25 pull-up resistance, R17 consults the power current limiting resistance.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combinations of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present disclosure. For example, the above features and (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure are mutually replaced to form the technical solution.
Claims (3)
1. A laser position detection device is characterized in that: the device comprises a shell, protective glass, filter glass, a signal detection board, a transparent window and a photosensitive detection circuit;
the shell comprises a main shell and a back plate, the main shell is provided with the transparent window, and the back plate is arranged on the opposite side of the main shell of the shell;
the protective glass is arranged on the inner side of the main shell and positioned between the transparent window and the filter glass;
the filter glass is arranged between the protective glass and the signal detection plate;
the signal detection board is arranged between the filter glass and the back board;
the photosensitive detection circuit is embedded in the signal detection board.
2. The laser position detection device according to claim 1, wherein the photosensitive detection circuit comprises a communication circuit, a power conversion circuit, a main control circuit, an AD conversion circuit, a reference voltage circuit, and a light detection circuit;
the input of power supply conversion circuit is system power supply input, the output with master control circuit's input links to each other, reference voltage circuit, communication circuit, AD converting circuit, light detection circuit's power input end is connected respectively to master control circuit's power output end, light detection circuit receives external light and regards as input signal and converts into voltage signal, and its output is connected AD converting circuit input, AD converting circuit's control input end connect master control circuit's control output, and master control circuit's storage input is connected to AD converting circuit's collection output, master control circuit's transmission output with communication circuit's receiving input links to each other, communication circuit's transmission output links to each other with master control circuit's receiving input.
3. The laser position detection device according to claim 2, wherein the photodetection circuit comprises n photosensitive devices and n pull-down resistors, and each photosensitive device is connected in parallel after being connected in series with a corresponding pull-down resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020499776.3U CN211740116U (en) | 2020-04-08 | 2020-04-08 | Laser position detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020499776.3U CN211740116U (en) | 2020-04-08 | 2020-04-08 | Laser position detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211740116U true CN211740116U (en) | 2020-10-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020499776.3U Expired - Fee Related CN211740116U (en) | 2020-04-08 | 2020-04-08 | Laser position detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211740116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113110231A (en) * | 2021-05-08 | 2021-07-13 | 深圳市中装建设集团股份有限公司 | Building energy monitoring control system |
-
2020
- 2020-04-08 CN CN202020499776.3U patent/CN211740116U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113110231A (en) * | 2021-05-08 | 2021-07-13 | 深圳市中装建设集团股份有限公司 | Building energy monitoring control system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |