阅读说明：本技术 一种二氧化碳激光管气压监测、报警与反馈装置 (Carbon dioxide laser tube air pressure monitoring, alarming and feedback device ) 是由 张利昌 于 2021-09-18 设计创作，主要内容包括：本发明公开了一种二氧化碳激光管气压监测、报警与反馈装置,包括：外壳、真空压力传感器、信号处理电路板、数字显示模块和信号接口；其中,外壳通过支撑杆固定于激光管的储气管内壁上；信号处理电路板封装于外壳内部；真空压力传感器封装于外壳内部,且真空压力传感器的输入端与储气管中的二氧化碳接触,输出端与信号处理电路板电性连接；数字显示模块安装在外壳表面,并与信号处理电路板电性连接；信号接口封装在二氧化碳激光管的管壁,并通过信号线与信号处理电路板电性连接。本发明能够直观、高效、准确地辅助工作人员检测激光管是否存在漏气。(The invention discloses a carbon dioxide laser tube air pressure monitoring, alarming and feedback device, which comprises: the device comprises a shell, a vacuum pressure sensor, a signal processing circuit board, a digital display module and a signal interface; wherein, the shell is fixed on the inner wall of the gas storage tube of the laser tube through a support rod; the signal processing circuit board is packaged in the shell; the vacuum pressure sensor is packaged in the shell, the input end of the vacuum pressure sensor is contacted with the carbon dioxide in the gas storage tube, and the output end of the vacuum pressure sensor is electrically connected with the signal processing circuit board; the digital display module is arranged on the surface of the shell and is electrically connected with the signal processing circuit board; the signal interface is packaged on the tube wall of the carbon dioxide laser tube and is electrically connected with the signal processing circuit board through a signal line. The invention can visually, efficiently and accurately assist the staff in detecting whether the laser tube has air leakage or not.)

1. The utility model provides a carbon dioxide laser tube atmospheric pressure monitoring, warning and feedback device which characterized in that includes: the device comprises a shell (1), a vacuum pressure sensor (2), a signal processing circuit board (3), a digital display module (4) and a signal interface (5);

wherein the shell (1) is fixed on the inner wall of the gas storage tube of the laser tube through a support rod (6);

the signal processing circuit board (3) is packaged in the shell (1);

the vacuum pressure sensor (2) is packaged in the shell (1), the input end of the vacuum pressure sensor (2) is in contact with carbon dioxide in the gas storage pipe, and the output end of the vacuum pressure sensor is electrically connected with the signal processing circuit board (3);

the digital display module (4) is arranged on the surface of the shell (1) and is electrically connected with the signal processing circuit board (3);

the signal interface (5) is packaged on the tube wall of the carbon dioxide laser tube and is electrically connected with the signal processing circuit board (3) through a signal line.

2. The device for monitoring, alarming and feeding back the air pressure of the carbon dioxide laser tube as claimed in claim 1, wherein the digital display module (4) is a liquid crystal module for displaying the air pressure value in the air storage tube in real time.

3. The carbon dioxide laser tube pressure monitoring, alarming and feedback device according to claim 1, further comprising a flashing warning light (7); the flashing warning lamp (7) is arranged on the surface of the shell (1) and is electrically connected with the signal processing circuit board (3); the signal processing circuit board (3) is used for receiving the air pressure signal detected by the vacuum pressure sensor (2), judging whether the air pressure change in the air storage pipe exceeds an alarm threshold value according to the air pressure signal, and sending an alarm signal to the flashing warning lamp (7) when the air pressure change exceeds the alarm threshold value.

4. The carbon dioxide laser tube air pressure monitoring, alarming and feedback device as claimed in claim 3, wherein the signal processing circuit board (3) is further configured to convert the air pressure signal and the alarm signal into an analog quantity, a TTL signal, an RS232 signal or an RS485 signal, and output the analog quantity, the TTL signal, the RS232 signal or the RS485 signal to the signal interface (5).

5. The carbon dioxide laser tube pressure monitoring, alarming and feedback device as claimed in claim 4, wherein the signal processing circuit board (3) is in communication connection with a remote computer or controller through the signal interface (5); the remote computer or controller is used for reading and storing the converted air pressure signal and the alarm signal.

6. The carbon dioxide laser tube pressure monitoring, alarming and feedback device as claimed in claim 1, wherein the housing (1) is composed of a cylindrical main body (101) and a signal line fixing rod (102); the signal wire fixing rod (102) is of a hollow structure, one end of the signal wire fixing rod is integrally connected to the center of the cylindrical main body (101), and the other end of the signal wire fixing rod is fixedly connected with the signal interface (5); the signal wire is routed along the inside of the signal wire fixing rod (102).

7. The carbon dioxide laser tube pressure monitoring, alarming and feedback device as claimed in claim 1, wherein the range of the vacuum pressure sensor (2) is in megapascal level, and the precision is less than three thousandths.

8. The carbon dioxide laser tube pressure monitoring, alarming and feedback device as claimed in claim 1, wherein the signal line is a shielded signal line.

Technical Field

The invention relates to the technical field of laser tube air pressure monitoring, in particular to a carbon dioxide laser tube air pressure monitoring, alarming and feedback device.

Background

The carbon dioxide laser is a gas laser using CO2 gas as a main working substance, so in order to ensure normal use of the carbon dioxide laser tube, a mixed gas mainly containing carbon dioxide gas needs to be filled in the gas storage tube, and the interior of the gas storage tube is at negative pressure.

However, the tube body of the current sealed carbon dioxide laser tube is formed by firing an extra hard glass material, and the interface made of the same or different materials is caused by the manufacturing process problem of the sealed carbon dioxide laser tube, so that the air leakage of parts of products in different degrees can be caused due to some uncertain factors, and the normal use of the laser tube is not easily found.

Therefore, it is an urgent need to solve the problem of the art to provide a pressure monitoring, alarming and feedback device capable of intuitively and accurately monitoring whether there is an air leakage condition in a carbon dioxide laser tube.

Disclosure of Invention

In view of the above, the invention provides a device for monitoring, alarming and feeding back the air pressure of a carbon dioxide laser tube, which can visually, efficiently and accurately assist workers in detecting whether the laser tube leaks air or not.

In order to achieve the purpose, the invention adopts the following technical scheme:

a carbon dioxide laser tube atmospheric pressure monitoring, warning and feedback device includes: the device comprises a shell, a vacuum pressure sensor, a signal processing circuit board, a digital display module and a signal interface;

wherein, the shell is fixed on the inner wall of the gas storage tube of the laser tube through a support rod;

the signal processing circuit board is packaged in the shell;

the vacuum pressure sensor is packaged in the shell, the input end of the vacuum pressure sensor is in contact with carbon dioxide in the gas storage pipe, and the output end of the vacuum pressure sensor is electrically connected with the signal processing circuit board;

the digital display module is arranged on the surface of the shell and is electrically connected with the signal processing circuit board;

the signal interface is packaged on the tube wall of the carbon dioxide laser tube and is electrically connected with the signal processing circuit board through a signal line.

Preferably, in the above apparatus for monitoring, alarming and feeding back the air pressure of the carbon dioxide laser tube, the digital display module is a liquid crystal module, and is configured to display the air pressure value in the air storage tube in real time.

Preferably, in the above carbon dioxide laser tube air pressure monitoring, alarming and feedback device, a flashing warning light is further included; the flashing warning lamp is arranged on the surface of the shell and is electrically connected with the signal processing circuit board; the signal processing circuit board is used for receiving the air pressure signal detected by the vacuum pressure sensor, judging whether the air pressure change in the air storage tube exceeds an alarm threshold value according to the air pressure signal, and sending an alarm signal to the flashing warning lamp when the air pressure change exceeds the alarm threshold value.

Preferably, in the above carbon dioxide laser tube air pressure monitoring, alarming and feedback device, the signal processing circuit board is further configured to convert the air pressure signal and the alarm signal into an analog quantity, a TTL signal, an RS232 signal or an RS485 signal, and output the analog quantity, the TTL signal, the RS232 signal or the RS485 signal to the signal interface.

Preferably, in the above device for monitoring, alarming and feeding back the pressure of the carbon dioxide laser tube, the signal processing circuit board is in communication connection with a remote computer or controller through the signal interface, and the remote computer or controller is used for reading and storing the converted pressure signal and the alarm signal.

Preferably, in the above carbon dioxide laser tube air pressure monitoring, alarming and feedback device, the housing is composed of a cylindrical main body and a signal line fixing rod; the signal wire fixing rod is of a hollow structure, one end of the signal wire fixing rod is integrally connected to the central position of the cylindrical main body, and the other end of the signal wire fixing rod is fixedly connected with the signal interface; the signal wire is arranged along the inside of the signal wire fixing rod.

Preferably, in the above device for monitoring, alarming and feeding back the pressure of the carbon dioxide laser tube, the range of the vacuum pressure sensor is megapascal, and the accuracy is less than three thousandths.

Preferably, in the above apparatus for monitoring, alarming and feeding back the pressure of the carbon dioxide laser tube, the signal line is a shielding signal line.

According to the technical scheme, compared with the prior art, the invention discloses the device for monitoring, alarming and feeding back the air pressure of the carbon dioxide laser tube, the air pressure state of the laser tube product can be monitored at any time in the processes of production, debugging, transportation, installation and use of the carbon dioxide laser tube, and the device can visually, efficiently and accurately assist workers and monitoring equipment to monitor the use state of the product in real time. After the invention is applied, the product reject ratio of the carbon dioxide laser tube in the production process can be effectively reduced, and meanwhile, the invention plays a vital role in remote after-sale diagnosis and maintenance of a merchant, reduces the after-sale maintenance cost and avoids unnecessary resource waste.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a carbon dioxide laser tube pressure monitoring, alarming and feedback device provided by the present invention installed in a laser diode;

FIG. 2 is a schematic block diagram of a carbon dioxide laser tube pressure monitoring, alarming and feedback device according to the present invention;

fig. 3 is a schematic diagram of the external structure of the carbon dioxide laser tube air pressure monitoring, alarming and feedback device provided by the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the embodiment of the invention discloses a carbon dioxide laser tube air pressure monitoring, alarming and feedback device, wherein the carbon dioxide laser tube is composed of a discharge tube a, a water cooling tube b, a gas storage tube c and a gas return tube d and has a three-layer sleeve structure. The discharge tube a is arranged at the innermost part, the water-cooled tube b is arranged in the middle, the gas storage tube c is arranged at the outermost layer, the gas return tube d is used for connecting the discharge tube a and the gas storage tube c, a cathode electrode e and an anode electrode f which are formed by rolling thin metal sheets are arranged at the two ends of the discharge tube a, and a total reflector g and an output reflector h are adhered to tube openings at the two ends to form a discharge light path. The water cooling pipe b is provided with a water inlet i and a water outlet j.

The air pressure monitoring, alarming and feedback device 100 of the invention comprises: the device comprises a shell 1, a vacuum pressure sensor 2, a signal processing circuit board 3, a digital display module 4 and a signal interface 5;

wherein, the shell 1 is fixed on the inner wall of the gas storage tube c of the laser tube through a support rod 6;

the signal processing circuit board 3 is packaged in the shell 1;

the vacuum pressure sensor 2 is packaged in the shell 1, the input end of the vacuum pressure sensor 2 is in contact with carbon dioxide in the gas storage pipe c, and the output end of the vacuum pressure sensor 2 is electrically connected with the signal processing circuit board 3; the range of the vacuum pressure sensor 2 in this embodiment is megapascal level, and the precision is less than three thousandths.

The digital display module 4 is arranged on the surface of the shell 1 and is electrically connected with the signal processing circuit board 3; the digital display module 4 is a liquid crystal module and is used for displaying the air pressure value in the air storage pipe in real time.

The signal interface 5 is packaged on the tube wall of the carbon dioxide laser tube and is electrically connected with the signal processing circuit board 3 through a signal line; the signal line is a shielding signal line.

In one embodiment, a flashing warning light 7 is also included; the flashing warning lamp 7 is arranged on the surface of the shell 1 and is electrically connected with the signal processing circuit board 3; the signal processing circuit board 3 is used for receiving the air pressure signal detected by the vacuum pressure sensor 2, judging whether the air pressure change in the air storage tube exceeds an alarm threshold value according to the air pressure signal, and sending an alarm signal to the flashing warning lamp 7 when the air pressure change exceeds the alarm threshold value.

The signal processing circuit board 3 is further configured to convert the air pressure signal and the alarm signal into an analog quantity, a TTL signal, an RS232 signal or an RS485 signal, and output the analog quantity, the TTL signal, the RS232 signal or the RS485 signal to the signal interface 5.

In another embodiment, the signal processing circuit board 3 is in communication connection with a remote computer or controller through a signal interface 5; the remote computer or controller is used for reading and storing the converted air pressure signal and the alarm signal.

The working process of the invention is as follows:

the vacuum pressure sensor 2 monitors the air pressure signal of the carbon dioxide in the air storage pipe c in real time, transmits the air pressure signal to the signal processing circuit board 3, and the signal processing circuit board 3 converts the air pressure signal into a digital signal and transmits the digital signal to the digital display module to display the voltage value of the air storage pipe c, so that a worker can visually know the current air pressure value in the air storage pipe c. Meanwhile, the signal processing circuit board 3 compares the voltage value with a preset threshold value, and controls the flashing warning lamp 7 to give out flashing warning when the voltage value is lower than the preset threshold value, so that a worker can know the fault condition in time. The signal circuit board 3 can also convert the air pressure signal and the alarm signal into an analog quantity, a TTL signal, an RS232 signal or an RS485 signal, and transmit the analog quantity, the TTL signal, the RS232 signal or the RS485 signal to a remote computer or a controller through the signal interface 5 to read and write data so as to achieve the purpose of remote monitoring. Meanwhile, the user can send the data written in the computer to a merchant in the using process for the merchant to carry out remote after-sale diagnosis.

In one embodiment, as shown in fig. 3, the housing 1 is composed of a cylindrical body 101 and a signal-wire fixing rod 102; the signal line fixing rod 102 is a hollow structure, one end of the signal line fixing rod is integrally connected to the center of the cylindrical main body 101, and the other end of the signal line fixing rod is fixedly connected with the signal interface 5; the signal lines are routed along the inside of the signal line fixing bar 102. The signal line fixing rod 102 not only firmly fixes the signal line, is not easy to bend and damage, ensures the stability of signal transmission, but also ensures better integration and integrity of the device.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.