CN103162823B - Multi-station full automatic laser power measuring method and system - Google Patents

Abstract

The invention discloses a multi-station full automatic laser power measuring method and a multi-station full automatic laser power measuring system. The multi-station full automatic laser power measuring system comprises one or a plurality of laser devices, and one or a plurality of main electric control circuit boards, beam splitter mirrors and relays which are respectively in one to one correspondence with the laser devices, wherein the main electric control circuit boards receive lasers of the laser devices reflected by the beam splitter mirrors corresponding to the main electric control circuit boards, analyze and judge the reflected lasers, and control a power source of the laser devices to be off through the relays when the reflected lasers are determined to be abnormal. By using the method, an operator does not need to personally monitor the laser devices, and accordingly raying probability of the operator is reduced, and measuring efficiency is improved greatly due to the fact that underreporting probability basically does not exist by analyzing and judging the reflected lasers through the main electric control circuit boards.

Description

A multi-station automatic laser power testing method and system

technical field

The invention relates to the field of communication technology, in particular to a multi-station fully automatic laser power testing method and system.

Background technique

When the laser is built, it is necessary to perform a copy test to eliminate early failures and enter the stable working period of the laser as soon as possible; or in the laser life test test, it is necessary to continuously work on the laser for a long time and record the corresponding data. According to the usual method, the test is often carried out manually with an optical power meter, and the operator must personally monitor the laser. As a result, the operator is in the laser environment for a long time, which is easy to affect the health, and it is difficult to find the fault in time, so the efficiency is low.

Contents of the invention

In view of the above analysis, the present invention aims to provide a multi-station automatic laser power testing method and system to solve the above problems.

The purpose of the present invention is mainly achieved through the following technical solutions:

A multi-station fully automatic laser power testing system, comprising: one or more lasers, a main electric control circuit board corresponding to the lasers one by one, a beam splitter and a relay;

The laser is used to emit a laser beam;

The main electric control circuit board is used to receive the laser light of the laser reflected by the corresponding beam splitter, analyze and judge the laser light, and trigger the relay when it is determined that the laser light is abnormal;

The relay is used to turn off the power of the laser.

Preferably, the main electric control circuit board includes: a silicon photodetection circuit and a pulse detection circuit;

The silicon photoelectric detection circuit is used to convert the optical signal of the laser light reflected by the beam splitter into an electrical signal, and send it to the pulse detection circuit;

The pulse detection circuit is used to receive the electrical signal sent by the silicon photoelectric detection circuit, further convert the optical signal into a high-level signal, and analyze and judge the converted high-level signal. When the high-level signal is abnormal, the relay is triggered.

Preferably, the main power control circuit board further includes: a power-on control button circuit;

The power-on control button circuit is used to control whether the main power control circuit board is working or not.

Preferably, it also includes: an electric translation stage, a controller, and an optical power meter corresponding to the lasers one by one;

The controller is used to control the optical power meter on the electric translation stage to read the laser light transmitted by the beam splitter mirror corresponding to the optical power meter at intervals of predetermined test time, and to The power of the transmitted laser is recorded, analyzed and judged, and if it is determined that the laser emitted by a certain laser is abnormal, the relay is triggered;

The optical power meter is used to read the transmitted laser light emitted by the laser transmitted by the corresponding beam splitter, and send the power of the transmitted laser light to the controller.

Preferably, the controller is further configured to control the movement of the electric translation stage so that the laser light transmitted by the spectroscope reaches the optical power meter corresponding to the spectroscope.

The present invention also provides a multi-station full-automatic laser power test method, the method uses a multi-station full-automatic laser power test system, the system includes: one or more lasers, one-by-one with the laser Corresponding main electric control circuit board, beam splitter and relay;

The method includes:

The main electric control circuit board receives the laser light of the laser reflected by the corresponding beam splitter, and analyzes and judges the reflected laser light. When it is determined that the reflected laser light is abnormal, the relay turns off the laser light. power supply for the laser.

Preferably, the main electric control circuit board includes: a silicon photodetection circuit and a pulse detection circuit;

The silicon photoelectric detection circuit converts the optical signal of the laser light reflected by the beam splitter into an electrical signal, and sends it to the pulse detection circuit;

The pulse detection circuit receives the electrical signal sent by the silicon photodetection circuit, further converts the electrical signal into a high-level signal, and analyzes and judges the converted high-level signal. When the high-level signal is determined to be When the flat signal is abnormal, the power supply of the laser is controlled to be turned off.

Preferably, the main power control circuit board further includes: a power-on control button circuit;

Whether the main power control circuit board is working or not is controlled by the power-on control button circuit.

Preferably, it also includes: an electric translation stage, a controller, and an optical power meter corresponding to the lasers one by one;

The controller controls the optical power meter on the electric translation stage to read the laser light of the laser transmitted by the beam splitter mirror corresponding to the optical power meter at intervals of a predetermined test time, and The power is recorded, analyzed and judged. If it is determined that the laser emitted by a certain laser is abnormal, the power of the laser is controlled to be turned off.

Preferably, the controller controls the movement of the electric translation stage so that the laser light transmitted by the spectroscope reaches the optical power meter corresponding to the spectroscope.

The beneficial effects of the present invention are as follows:

The invention provides a multi-station fully automatic laser power testing method and system, which reflects the laser light emitted by the laser to the main power control circuit board through the beam splitter, and analyzes and judges the reflected laser light through the main power control circuit board, When it is determined that the laser is abnormal, the relay is triggered to turn off the power supply of the laser. By this method, the operator does not need to personally monitor the laser, thereby reducing the chance of the operator being exposed to radiation, and through the main power control circuit The board analyzes and judges the reflected laser light, and there is basically no possibility of false positives, which greatly improves the test efficiency. The embodiment of the present invention also uses the controller to record, analyze and judge whether the laser of the laser is abnormal. If a certain If the laser emitted by a laser is abnormal, the power of the laser is controlled to be turned off, so as to ensure that the fully automatic power test is performed on multiple lasers at the same time, and the working status of the laser is reflected in real time.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Description of drawings

1 is a schematic diagram of a multi-station fully automatic laser power testing system in Embodiments 1 and 2 of the present invention;

Fig. 2 is a schematic diagram of the main electric control circuit board in Embodiments 1 and 2 of the present invention.

Detailed ways

Preferred embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the principle of the present invention. For the sake of clarity and simplicity, detailed descriptions of known functions and constructions in the devices described herein will be omitted when it may obscure the subject matter of the present invention.

Example 1

An embodiment of the present invention provides a multi-station fully automatic laser power testing method, the method uses a multi-station fully automatic laser power testing system, see Figure 1, the system includes: one or more lasers, and the The lasers correspond to the main electric control circuit board, beam splitter and relay respectively;

The main electric control circuit board receives the laser light of the laser reflected by the corresponding spectroscope, and analyzes and judges the reflected laser light. When it is determined that the reflected laser light is abnormal, the relay will Control the laser power off.

Wherein, the main electric control circuit board includes: a silicon photodetection circuit and a pulse detection circuit, see FIG. 2 ;

The silicon photoelectric detection circuit converts the optical signal of the laser light reflected by the beam splitter into an electrical signal, and sends it to the pulse detection circuit;

The pulse detection circuit receives the electrical signal sent by the silicon photodetection circuit, further converts the electrical signal into a high-level signal, and analyzes and judges the converted high-level signal. When the high-level signal is determined to be When the flat signal is abnormal, the power supply of the laser is controlled to be turned off.

In the embodiment of the present invention, the pulse detection circuit compares the voltage of the high-level signal corresponding to the laser light emitted by the laser with the voltage of the high-level signal corresponding to the laser light actually collected from the laser, and when the two are different, then determine the The high-level signal of the laser is abnormal, and at this time, the power supply of the laser is controlled to be turned off.

The main power control circuit board in the embodiment of the present invention further includes: a power-on control button circuit;

Whether the main power control circuit board is working or not is controlled by the power-on control button circuit.

It also includes: an electric translation stage, a controller, and optical power meters corresponding to the lasers one by one;

The controller controls the optical power meter on the electric translation stage to read the laser light transmitted by the beam splitter corresponding to the optical power meter respectively at intervals of predetermined test time, and The power of the laser is recorded, analyzed and judged. If it is determined that the laser emitted by a certain laser is abnormal, the power of the laser is controlled to be turned off.

Wherein, the controller controls the movement of the electric translation stage so that the laser light transmitted by the spectroscope can reach the optical power meter corresponding to the spectroscope.

The embodiment of the present invention provides a multi-station fully automatic laser power testing method. The laser light emitted by the laser is reflected to the main power control circuit board through the beam splitter, and the reflected laser light is analyzed and judged by the main power control circuit board. When it is determined that the laser is abnormal, the relay is triggered to turn off the power supply of the laser. By this method, the operator does not need to personally monitor the laser, thereby reducing the chance of the operator being exposed to radiation, and through the main power control circuit The board analyzes and judges the reflected laser light, and there is basically no possibility of false positives, which greatly improves the test efficiency. The embodiment of the present invention also uses the controller to record, analyze and judge whether the laser of the laser is abnormal. If a certain If the laser emitted by a laser is abnormal, the power of the laser is controlled to be turned off, so as to ensure that the fully automatic power test is performed on multiple lasers at the same time, and the working status of the laser is reflected in real time.

Example 2

The embodiment of the present invention provides a multi-station fully automatic laser power testing system, as shown in Figure 1, the system includes: one or more lasers, main electrical control circuit boards corresponding to the lasers one by one, and a beam splitter and relays;

The laser is used to emit a laser beam;

The main electric control circuit board is used to receive the laser light of the laser reflected by the corresponding beam splitter, analyze and judge the laser light, and trigger the relay when it is determined that the laser light is abnormal;

The relay is used to turn off the power of the laser.

Preferably, the main electric control circuit board includes: a silicon photodetection circuit and a pulse detection circuit, see FIG. 2 ;

The silicon photoelectric detection circuit is used to convert the optical signal of the laser light reflected by the beam splitter into an electrical signal, and send it to the pulse detection circuit;

The pulse detection circuit is used to receive the electrical signal sent by the silicon photoelectric detection circuit, further convert the optical signal into a high-level signal, and analyze and judge the converted high-level signal. When the high-level signal is abnormal, the relay is triggered.

The main power control circuit board also includes: a power-on control button circuit;

The power-on control button circuit is used to control whether the main power control circuit board is working or not.

The system also includes: an electric translation stage, a controller, and optical power meters corresponding to the lasers one by one;

The controller is used to control the optical power meter on the electric translation stage to read the laser light transmitted by the beam splitter mirror corresponding to the optical power meter at intervals of predetermined test time, and to The power of the transmitted laser is recorded, analyzed and judged. If it is determined that the laser emitted by a certain laser is abnormal, the relay is triggered, and the movement of the electric translation stage is controlled so that the laser transmitted by the spectroscope reaches the The beamsplitter corresponds to the optical power meter.

The optical power meter is used to read the transmitted laser light emitted by the laser transmitted by the corresponding beam splitter, and send the power of the transmitted laser light to the controller.

To sum up, the embodiment of the present invention provides a multi-station fully automatic laser power testing method and system, which reflects the laser light emitted by the laser to the main power control circuit board through the beam splitter, and the reflected light is reflected by the main power control circuit board. The incoming laser is analyzed and judged, and when it is determined that the laser is abnormal, the relay is triggered to turn off the power of the laser. In this way, the operator does not need to personally monitor the laser, thereby reducing the chance of the operator being exposed to radiation. , and through the main electric control circuit board to analyze and judge the reflected laser light, there is basically no possibility of false alarm, which greatly improves the test efficiency. The embodiment of the present invention also records, analyzes and judges whether the laser light of the laser device is If there is an abnormality, if it is determined that the laser emitted by a certain laser is abnormal, the power of the laser is controlled to be turned off, so as to ensure that the fully automatic power test is performed on multiple lasers at the same time, and the working status of the laser is reflected in real time.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed in the present invention can easily think of changes or Replacement should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (8)

1. A multi-station full-automatic laser power testing system is characterized in that, comprising: a plurality of lasers, a main electric control circuit board, a beam splitter and a relay corresponding to the lasers one by one respectively; The laser is used to emit a laser beam; The main electric control circuit board is used to receive the laser light of the laser reflected by the corresponding beam splitter, analyze and judge the laser light, and trigger the relay when it is determined that the laser light is abnormal; The relay is used to turn off the power supply of the laser; Wherein, the main electric control circuit board includes: a silicon photoelectric detection circuit and a pulse detection circuit; The silicon photoelectric detection circuit is used to convert the optical signal of the laser light reflected by the beam splitter into an electrical signal, and send it to the pulse detection circuit; The pulse detection circuit is used to receive the electrical signal sent by the silicon photodetection circuit, further convert the electrical signal into a high-level signal, and analyze and judge the converted high-level signal. When the high-level signal is abnormal, the relay is triggered. 2. The system according to claim 1, wherein the main power control circuit board further comprises: power-on control button circuit; The power-on control button circuit is used to control whether the main power control circuit board is working or not. 3. The system according to claim 1 or 2, further comprising: an electric translation stage, a controller, and an optical power meter corresponding to the lasers one by one; The controller is used to control the optical power meter on the electric translation stage to read the laser light transmitted by the beam splitter mirror corresponding to the optical power meter at intervals of predetermined test time, and to The power of the transmitted laser is recorded, analyzed and judged, and if it is determined that the laser emitted by a certain laser is abnormal, the relay is triggered; The optical power meter is used to read the transmitted laser light emitted by the laser transmitted by the corresponding beam splitter, and send the power of the transmitted laser light to the controller. 4. The system of claim 3, wherein: The controller is also used to control the movement of the electric translation stage so that the laser light transmitted by the spectroscope reaches the optical power meter corresponding to the spectroscope. 5. A multi-station full-automatic laser power test method is characterized in that, a multi-station full-automatic laser power test system is applied, and the system includes: a plurality of lasers, a master corresponding to the lasers one by one respectively. Electrical control circuit boards, beam splitters and relays; Multi-station automatic laser power testing methods include: The main electric control circuit board receives the laser light of the laser reflected by the corresponding beam splitter, and analyzes and judges the reflected laser light. When it is determined that the reflected laser light is abnormal, the relay turns off the laser light. The power supply of the laser; Wherein, the main electric control circuit board includes: a silicon photoelectric detection circuit and a pulse detection circuit; The silicon photoelectric detection circuit converts the optical signal of the laser light reflected by the beam splitter into an electrical signal, and sends it to the pulse detection circuit; The pulse detection circuit receives the electrical signal sent by the silicon photodetection circuit, further converts the electrical signal into a high-level signal, and analyzes and judges the converted high-level signal. When the high-level signal is determined to be When the flat signal is abnormal, the power supply of the laser is controlled to be turned off. 6. The method according to claim 5, wherein the main power control circuit board further comprises: a power-on control button circuit; Whether the main power control circuit board is working or not is controlled by the power-on control button circuit. 7. The method according to claim 5 or 6, further comprising: an electric translation stage, a controller, and an optical power meter corresponding to the lasers one by one; The controller controls the optical power meter on the electric translation stage to read the laser light of the laser transmitted by the beam splitter mirror corresponding to the optical power meter at intervals of a predetermined test time, and The power is recorded, analyzed and judged. If it is determined that the laser emitted by a certain laser is abnormal, the power of the laser is controlled to be turned off. 8. The method according to claim 7, wherein the controller controls the movement of the electric translation stage so that the laser light transmitted by the spectroscope reaches the optical power meter corresponding to the spectroscope.