CN218765336U - Laser detector for cold and hot metal in severe environment - Google Patents
Laser detector for cold and hot metal in severe environment Download PDFInfo
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- CN218765336U CN218765336U CN202222714149.9U CN202222714149U CN218765336U CN 218765336 U CN218765336 U CN 218765336U CN 202222714149 U CN202222714149 U CN 202222714149U CN 218765336 U CN218765336 U CN 218765336U
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Abstract
The utility model relates to a cold and hot metal laser detector for adverse circumstances, including sweeping the piece and opposed laser transceiver and laser reflector, the laser transceiver is used for transmitting laser and receiving the laser through the laser reflector reflection; the purge member has a purge cavity at least for purging a side of the laser transceiver proximate the laser reflector. The utility model discloses can work stably for a long time in adverse circumstances.
Description
Technical Field
The utility model relates to a cold and hot metal laser detection area, concretely relates to cold and hot metal laser detector for adverse circumstances.
Background
Cold and hot metal laser detector designs for the automation in the steel manufacturing process mainly, and the wide application is in the assembly line, and the steel manufacturing environment is generally more abominable, mainly shows for humidity, many water smoke, many dust etc. and adverse circumstances can lead to cold and hot metal laser detector laser outgoing ability and incident ability to weaken, and then leads to cold and hot metal laser detector sensitivity to reduce or the testing result is inaccurate to influence the normal production process of steel production line.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a cold and hot metal laser detector for adverse circumstances, it can work in adverse circumstances stable for a long time.
In order to solve the technical problem, the technical scheme of the utility model is that: a cold-hot metal laser detector for harsh environments, comprising:
an opposing laser transceiver and laser reflector, the laser transceiver for transmitting laser light and receiving laser light reflected by the laser reflector;
a purge having at least a purge cavity for purging a side of the laser transceiver proximate the laser reflector.
Further, in order to conveniently introduce the purge gas into the purge cavity, the purge member is provided with a purge interface for introducing the purge gas into the purge cavity.
Further in order to play the guard action to laser transceiver to prevent in the entering laser transceiver of smoke and dust, steam etc. for the cold and hot metal laser detector of adverse circumstances still includes the seal shell, laser transceiver installs in the seal shell, the seal shell just right the position of laser transceiver disposes and is used for supplying the transparent portion that the laser saw sees through, it installs to sweep the piece seal shell is outside, and cover in outside the transparent portion.
Further, the transparent part is a flat lens.
Further, a power interface for an external power supply is configured on the closed shell, and the power interface is electrically connected with the laser transceiver.
Further, the laser transceiver includes:
the laser emitting module is used for emitting laser;
a laser receiver for receiving the laser light reflected by the laser reflector and converting the received laser light into a corresponding electrical signal;
the processing module is connected with the laser receiver and is used for processing the electric signal;
and the voltage conversion module is electrically connected with the power interface and the processing module and is used for converting the voltage accessed to the power interface into the voltage adaptive to the processing module so as to supply power to the processing module.
Further, the laser receiver is a silicon photocell.
After the technical scheme is adopted, smoke and/or water vapor close to the working end of the laser transceiver are blown away through the blowing cavity, so that the smoke and/or water vapor are prevented from influencing the emitting capacity and the incidence capacity of laser of the laser transceiver, and the whole cold and hot metal laser detector can stably work in a humid, water mist-rich and dust-rich severe environment for a long time; the utility model provides a laser transceiver collects laser emission and laser and receives in an organic whole, sweeps the chamber through one, can guarantee the emergent ability and the incident ability of laser, is convenient for install and follow-up fortune dimension, management and control.
Drawings
Fig. 1 is a schematic structural diagram of a cold and hot metal laser detector for harsh environments in an embodiment of the present invention;
fig. 2 is a schematic block diagram of a laser transceiver according to an embodiment of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 and 2, a cold and hot metal laser detector for harsh environments comprises:
the laser transceiver 1 and the laser reflector 2 are arranged oppositely, and the laser transceiver 1 is used for transmitting laser and receiving the laser reflected by the laser reflector 2;
a purging member 3, the purging member 3 having at least a purging cavity for purging a side of the laser transceiver 1 near the laser reflector 2.
In this embodiment, the purging element 3 is located on the side of the laser transceiver 1 close to the laser reflector 2 or covers the outside of the laser transceiver 1.
Specifically, smoke and/or water vapor close to the working end of the laser transceiver 1 is blown away through the purging cavity, so that the smoke and/or water vapor are prevented from influencing the emitting capacity and the incidence capacity of the laser transceiver 1, and the cold and hot metal laser detector in the embodiment can stably work for a long time in a humid, foggy and dusty severe environment; laser transceiver 1 in this embodiment collects laser emission and laser and receives in an organic whole, sweeps the chamber through one, can guarantee the emergent ability and the incident ability of laser, is convenient for install and follow-up fortune dimension, management and control.
As shown in fig. 1, in order to facilitate the purge gas to be introduced into the purge cavity, the purge piece 3 is provided with a purge port 4 for introducing the purge gas into the purge cavity. An external air source is in butt joint with the purging interface 4 through a pipeline, and purging gas enters the purging cavity through the purging interface 4, so that the device is convenient and trouble-saving.
As shown in fig. 1, the cold and hot metal laser detector for severe environment further includes a closed housing 5, the laser transceiver 1 is installed in the closed housing 5, a transparent portion 51 for allowing laser to penetrate is disposed at a position of the closed housing 5 facing the laser transceiver 1, and the purging element 3 is installed outside the closed housing 5 and covers the transparent portion 51.
Specifically, the laser transceiver 1 is enclosed in the enclosure 5, and smoke, vapor and the like in the environment are shielded by the enclosure 5, so that the influence on the service life or the working stability of the laser transceiver due to the fact that the smoke, the vapor and the like enter the laser transceiver 1 is effectively prevented. The transparent part 51 allows the laser light to pass therethrough, thereby preventing the closed housing 5 from interfering with the operation of the laser transceiver 1. The purging element 3 covers the transparent portion 51, which is beneficial for preventing smoke and/or moisture in the environment from accumulating on the transparent portion 51. The closed housing 5 also forms the laser transceiver 1 and the purge member 3 as a single body for ease of installation and use.
In this embodiment, the transparent portion 51 may have various structures, such as a flat glass, a flat lens, and so on.
As shown in fig. 1, a power interface 6 for an external power supply is disposed on the closed housing 5, and the power interface 6 is electrically connected to the laser transceiver 1.
Specifically, the power interface 6 is provided to facilitate the electrical connection of an external power source to the laser transceiver 1 without affecting the sealing performance of the sealing case 5, so as to supply power to the laser transceiver 1.
As shown in fig. 2, the laser transceiver 1 includes:
the laser emission module is used for emitting laser;
a laser receiver 11 for receiving the laser light reflected by the laser reflector 2 and converting the received laser light into a corresponding electrical signal;
the processing module 12 is connected to the laser receiver 11 and is configured to process the electrical signal;
and the voltage conversion module 13 is electrically connected with the power interface 6 and the processing module 12, and is used for converting the voltage connected to the power interface 6 into a voltage suitable for the processing module 12 so as to supply power to the processing module 12.
In this embodiment, the voltage connected to the power interface 6 is 12V, the voltage conversion module 12 converts the 12V voltage into 5V voltage, and the processing module 12 processes the electrical signal and finally outputs a control switch signal.
The processing module 12 and the voltage conversion module 13 are integrated on the same PCB, the closed shell comprises a shell body and a cover plate, the laser emitting module, the laser receiver 11 and the PCB are installed in the shell body, then the cover plate is sealed and installed at the opening end of the shell body, and the cover plate and the shell body can be welded or connected through a plurality of bolts.
In order to make the cold and hot metal laser detector in this embodiment also suitable for high temperature environment, a cooling medium cavity may be disposed on the peripheral wall and/or the bottom plate of the housing body, and the cooling medium circulates in the cooling medium cavity to achieve the purpose of cooling the laser emitting module, the laser receiver 11, and the PCB.
In this embodiment, the laser receiver 11 may be, but is not limited to, a silicon photocell. The silicon photocell is a semiconductor device which directly converts light energy into electric energy, and has simple structure and low cost.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.
Claims (7)
1. A cold and hot metal laser detector for harsh environment is characterized in that,
the method comprises the following steps:
the laser device comprises a laser transceiver (1) and a laser reflector (2) which are arranged oppositely, wherein the laser transceiver (1) is used for transmitting laser and receiving the laser reflected by the laser reflector (2);
a purge (3), the purge (3) having a purge cavity at least for purging a side of the laser transceiver (1) close to the laser reflector (2).
2. A cold-hot metal laser detector for harsh environments according to claim 1,
the purging piece (3) is provided with a purging interface (4) for introducing purging gas into the purging cavity.
3. A cold-hot metal laser detector for harsh environments according to claim 1,
still include close casing (5), install laser transceiver (1) in close casing (5), close casing (5) just right the position of laser transceiver (1) disposes and is used for supplying transparent portion (51) that the laser passed through, it installs to sweep piece (3) close casing (5) outside, and cover in outside transparent portion (51).
4. A cold-hot metal laser detector for harsh environments according to claim 3,
the transparent part (51) is a flat lens.
5. A cold-hot metal laser detector for harsh environments according to claim 3,
the laser transceiver is characterized in that a power interface (6) used for an external power supply is configured on the closed shell (5), and the power interface (6) is electrically connected with the laser transceiver (1).
6. A cold-hot metal laser detector for harsh environments according to claim 5,
the laser transceiver (1) comprises:
the laser emitting module is used for emitting laser;
a laser receiver (11) for receiving the laser light reflected by the laser reflector (2) and converting the received laser light into a corresponding electrical signal;
a processing module (12) connected to the laser receiver (11) for processing the electrical signal;
the voltage conversion module (13) is electrically connected with the power interface (6) and the processing module (12) and is used for converting the voltage connected into the power interface (6) into the voltage suitable for the processing module (12) so as to supply power to the processing module (12).
7. A cold-hot metal laser detector for harsh environments according to claim 6,
the laser receiver (11) is a silicon photocell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222714149.9U CN218765336U (en) | 2022-10-14 | 2022-10-14 | Laser detector for cold and hot metal in severe environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222714149.9U CN218765336U (en) | 2022-10-14 | 2022-10-14 | Laser detector for cold and hot metal in severe environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218765336U true CN218765336U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222714149.9U Active CN218765336U (en) | 2022-10-14 | 2022-10-14 | Laser detector for cold and hot metal in severe environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218765336U (en) |
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2022
- 2022-10-14 CN CN202222714149.9U patent/CN218765336U/en active Active
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