CO2 laser charging and discharging equipment with temperature and air pressure compensation
By introducing a temperature air pressure compensation system into the laser charging and exhaust equipment, the air pressure and temperature are automatically adjusted by bimetallic sheet and gas chamber, the stability of the equipment in different environments is solved, and efficient laser output and low energy consumption design is achieved. Suitable for user needs in the Internet era.
Patent Information
- Application Number
- CN202420240155.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-02-01
AI Technical Summary
Existing laser charging and exhaust equipment has problems of complexity and increased energy consumption in air pressure and temperature regulation, and the output stability is deteriorated due to the influence of the external environment.
A CO2 laser charging and exhaust equipment with its own temperature and air pressure compensation is designed, using a housing, compensation mechanism, temperature and air pressure sensor module, core processor and fresh air system. Through the cooperation of bimetallic sheet and air chamber, automatic temperature and air pressure are achieved. Compensation and real-time monitoring and adjustment through the WIFI module.
It improves the output stability of the laser in different environments, reduces the energy consumption and complexity of the equipment, enhances detection accuracy and anti-interference ability, has a wide range of applications, and supports Internet connection and data monitoring.
Smart Images
Figure CN222191417U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of CO2 laser filling and exhaust equipment, in particular to CO2 laser filling and exhaust equipment with temperature and pressure compensation. Background Art
[0002] Lasers require a stable air pressure environment to work properly. Therefore, we need to control the air pressure to achieve the ideal working state, and the operating temperature of the laser generally needs to be within a certain range. Too high or too low a temperature will have an adverse effect on the working performance of the laser. Adjusting the air pressure and temperature of the laser is not static and needs to be adjusted according to the actual situation. Different lasers may have different control methods and parameter settings.
[0003] Laser filling and exhaust equipment is a device used to fill and exhaust gas in lasers. It plays a key role in the laser system. By effectively controlling the gas environment inside the laser, it can ensure the normal operation of the laser and improve the laser output stability and working life. The internal structure of the laser filling and exhaust equipment mainly includes a gas source, a gas circulation system and a gas treatment system. The gas circulation system guides the gas into the laser cavity through a pumping device to maintain the gas pressure and flow state inside the laser. The gas treatment system is mainly used to remove the exhaust gas and impurities generated inside the laser to ensure the stability and reliability of the laser.
[0004] However, laser filling and exhaust equipment also has some major defects. First, the storage and circulation of gas requires a certain amount of space and energy, which increases the size and energy consumption of the equipment. Secondly, since heat is generated during the circulation of the gas, a cooling system is required to dissipate the heat, which increases the complexity and cost of the equipment. In addition, the gas inside the laser will be affected by the external environment, such as changes in altitude and temperature, which may cause changes in gas pressure and fluidity, affecting the output stability of the laser. Utility Model Content
[0005] In order to overcome the existing deficiencies, the utility model provides a CO2 laser filling and exhaust device, which can automatically compensate for the internal temperature and air pressure to reduce power consumption, and start the system to perform large-scale temperature and air pressure compensation when the temperature and air pressure reach a critical value. It can automatically perform temperature and air pressure compensation according to different usage environments, solve the problem of errors in lasers under different environments, and improve the stability of laser output.
[0006] The utility model adopts the following technical scheme to solve the technical problems: a CO2 laser filling and exhaust device with built-in temperature and pressure compensation, comprising a shell, a compensation mechanism arranged on both sides of the shell and a fresh air system arranged just above the shell; a temperature and pressure sensor module is arranged inside the shell, the top is connected to the fresh air system through a heat sink, the two sides are connected to the compensation mechanism, and a controller is arranged on the front side; the controller comprises a display screen and touch buttons and a core processor arranged inside; the core processor is electrically connected to the fresh air system, the temperature and pressure sensor module and the touch buttons; the compensation mechanism comprises a fluid channel connected to the inside of the shell, a bimetallic strip arranged at one end of the fluid channel and a compensation cavity arranged outside the fluid channel; the compensation cavity is provided with air chambers connected to the outside on both sides of the fluid channel; the bimetallic strip is buckled at the ports of the air chamber and the fluid channel; the air chamber is connected to the outside through the exhaust hole.
[0007] According to another embodiment of the utility model, it further includes that the core processor selects an ATmega328P single-chip microcomputer, receives signals from a power protection module, a touch button, a clock module and a reset module, communicates bidirectionally with a level conversion module, a temperature and pressure sensor module, a WIFI wireless module and an ICSP interface, and transmits signals to the fresh air system.
[0008] According to another embodiment of the utility model, the power protection module further includes: one end of the power protection module is connected to the 5V power supply interface, and the other end is connected to the level conversion module through the 5V to 3.3V module; the level conversion module is connected to the UART communication interface and I 2 C communication interface for two-way communication; the I 2 The C communication interface communicates bidirectionally with the temperature and pressure sensor module, and the UART communication interface communicates bidirectionally with the WIFI wireless module.
[0009] According to another embodiment of the utility model, further comprising: both ends of the bimetallic strip are fixed inside the compensation cavity by snaps, one side is buckled against the air chamber and the fluid channel, and an active chamber is provided between the other side and the compensation cavity.
[0010] According to another embodiment of the utility model, further comprising: an O-ring for sealing the bimetallic strip and the fluid channel is provided on the outer side of the fluid channel port.
[0011] According to another embodiment of the utility model, it further includes that an airway tube is provided at the contact point between the air chamber and the bimetallic strip; the airway tube connects the air chamber and the fluid channel, and an exhaust hole is provided on the side; and a filter screen is provided on the exhaust hole.
[0012] According to another embodiment of the utility model, the fresh air system is further connected to the outside world on one side and connected to the inside of the shell through a heat sink on the other side; and a plurality of groups of holes for ventilation are provided on the heat sink.
[0013] The beneficial effects of the utility model are that the utility model has high detection accuracy, strong anti-interference ability, and a wide range of applications. At the same time, it can automatically perform temperature and air pressure compensation according to different usage environments, solve the problem of errors in lasers in different environments, and can be connected to a local area network and the Internet. The temperature and air pressure values and historical data in the current environment can be easily observed on the mobile phone, so as to better meet the new needs of users in the Internet era. The system has the advantages of high detection accuracy, strong anti-interference ability, and a wide range of applications, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0015] Figure 1 It is a rear sectional view of the utility model;
[0016] Figure 2 yes Figure 1 A partial enlarged view of middle A;
[0017] Figure 3 It is the electrical connection diagram of the controller;
[0018] Figure 4 This is the peripheral circuit diagram of ATmega328P microcontroller;
[0019] Figure 5 This is the circuit diagram of the temperature and pressure sensor module;
[0020] Figure 6 It is the circuit diagram of WIFI wireless module;
[0021] Figure 7 This is the circuit diagram of the 5V to 3.3V module;
[0022] Figure 8 It is the touch button circuit diagram.
[0023] In the figure, 1, shell, 2, compensation mechanism, 3, fresh air system, 4, temperature and air pressure sensor module, 5, heat sink, 6, controller, 7, fluid channel, 8, bimetallic strip, 9, compensation cavity, 10, air chamber, 11, exhaust hole, 12, clamp, 13, movable chamber, 14, O-ring, and 15, filter. DETAILED DESCRIPTION
[0024] like Figure 1It is a structural schematic diagram of the utility model, a CO2 laser filling and exhaust device with built-in temperature and pressure compensation, comprising a shell 1, a compensation mechanism 2 arranged on both sides of the shell 1 and a fresh air system 3 arranged just above the shell 1; a temperature and pressure sensor module 4 is arranged inside the shell 1, and the top is connected to the fresh air system 3 through a heat sink 5, and the two sides are connected to the compensation mechanism 2, and a controller 6 is arranged on the front side; the controller 6 includes a display screen and touch buttons and a core processor arranged inside; the core processor is electrically connected to the fresh air system 3, the temperature and pressure sensor module 4 and the touch buttons; the compensation mechanism 2 includes a fluid channel 7 connected to the inside of the shell 1, a bimetallic strip 8 arranged at one end of the fluid channel 7 and a compensation cavity 9 arranged outside the fluid channel 7; the compensation cavity 9 is provided with air chambers 10 connected to the outside on both sides of the fluid channel 7; the bimetallic strip 8 is buckled at the ports of the air chamber 10 and the fluid channel 7; the air chamber 10 is connected to the outside through the exhaust hole 11.
[0025] Specifically, the temperature and pressure sensor module 4 is used to monitor the temperature and air pressure inside the shell 1 in real time, the compensation mechanism 2 is mainly used to adjust the fluctuation of the temperature of a small part of the internal air pressure, the fresh air system 3 is mainly used to accelerate the air circulation inside the shell 1 to adjust the temperature and air pressure inside the shell, and the controller 6 is used to monitor internal signals and issue instructions to automatically compensate for the temperature and air pressure inside the shell 1.
[0026] According to another embodiment of the utility model, it further includes that the core processor selects an ATmega328P single-chip microcomputer, receives signals from the power protection module, touch button, clock module and reset module, communicates bidirectionally with the level conversion module, temperature and pressure sensor module 4, WIFI wireless module, and ICSP interface, and transmits signals to the fresh air system 3.
[0027] Specifically, as a high-end product in the AVR microcontroller family, the ATmega328P microcontroller adopts the Harvard structure and has a high-speed processing capability of 1MIPS / MHz (million instructions per second / MHz); it adopts the RISC reduced instruction set computer structure, gives priority to the most frequently used simple instructions, and shortens the instruction cycle by reducing the instruction format and addressing mode types, thereby improving the overall operation speed of the microcontroller. At the same time, the ATmega328P microcontroller also contains an automatic power-on reset circuit, an independent watchdog circuit, a low voltage detection circuit, multiple reset sources, a startup delay circuit, etc. The peripheral circuit is simple and the system is stable and reliable. In addition, the AVR microcontroller has a variety of power-saving sleep modes, can support 2.7~5V wide voltage operation, and has strong anti-interference ability; the temperature and pressure sensor module 4 uses the MPL3115A2 high-precision intelligent digital temperature and pressure sensor circuit, which uses an I 2The MEMS pressure sensor with C interface and 24-bit high-resolution A / D converter can accurately measure air pressure, altitude, temperature and other data with a resolution as low as 1 foot / 0.3m. It has 2 programmable interrupt pins and built-in 32 FIFO sampling buffers. It can use FIFO to record up to 12 days of data. It can automatically collect data and read the fully compensated 20-bit pressure measurement value (Pa), 20-bit altitude measurement value (m), and 12 temperature measurement values (℃); the WIFI wireless module ESP8266 serial port to WIFI wireless module circuit, the module uses Anxinke ESP-01 802.11b / g / n WiFi module to complete wireless networking. The module uses a low-power 32-bit CPU, which can also serve as an application processor with a maximum main frequency of 160MHz and supports UART interface.
[0028] According to another embodiment of the utility model, the power protection module further includes: one end of the power protection module is connected to the 5V power supply interface, and the other end is connected to the level conversion module through the 5V to 3.3V module; the level conversion module is connected to the UART communication interface and I 2 C communication interface for two-way communication; the I 2 The C communication interface communicates bidirectionally with the temperature and pressure sensor module 4, and the UART communication interface communicates bidirectionally with the WIFI wireless module.
[0029] Specifically, the reset module of the controller 6 system is mainly used to reset the system when the system crashes, the clock module mainly provides a 16MHz clock signal for the system, and the ICSP interface module is mainly used for single-chip microcomputer program download; 2 The C communication module mainly provides the system with I 2 The UART communication module provides the system with an interface for UART communication with external modules; the touch button module is mainly used when ESP8266 is first configured for the network. It determines whether the network configuration button is pressed by detecting the change in the capacitance value on the touch panel. When the button is pressed, the capacitance value will gradually exceed the set value, and then send a high level to the ATmega328P microcontroller, and the system automatically enters the network configuration mode; the power module circuit mainly includes a 5V power supply module, a 5V to 3.3V module, a level conversion module and a power protection module. Among them, the 5V power supply module mainly provides power for the system, and the 5V to 3.3V module is mainly used to convert DC 5V into DC 3.3V, which powers the ESP8266 serial port to WIFI wireless module, the MPL3115A2 chip module and the signal conversion module. The level conversion module converts the 5V communication level to the 3.3V communication level to prevent the 5V communication level from burning out the module. The power protection module protects the power supply and the load. It isolates the power supply and the load through a 200mA resettable fuse and cuts off the power supply in time when the load current is too large.
[0030] According to another embodiment of the utility model, further comprising: both ends of the bimetallic strip 8 are fixed inside the compensation chamber 9 by clamps 12 , one side is buckled against the air chamber 10 and the fluid channel 7 , and an active chamber 13 is provided between the other side and the compensation chamber 9 .
[0031] According to another embodiment of the utility model, further comprising: an O-ring 14 for sealing the bimetallic strip 8 and the fluid channel 7 is provided on the outer side of the port of the fluid channel 7 .
[0032] According to another embodiment of the utility model, it further includes that an airway tube is provided at the contact point between the air chamber 10 and the bimetallic strip 8; the airway tube connects the air chamber 10 and the fluid channel 7, and an exhaust hole 11 is provided on the side; and a filter screen 15 is provided on the exhaust hole 11.
[0033] According to another embodiment of the utility model, the fresh air system 3 is further connected to the outside world on one side, and is connected to the inside of the shell 1 through the heat sink 5 on the other side; and the heat sink 5 is provided with a plurality of groups of holes for ventilation.
[0034] Specifically, the bimetallic strip 8 is made of materials with different thermal expansion coefficients. When the temperature and air pressure change, the deformation of the active layer is greater than that of the passive layer, and the whole will bend toward the passive layer. The curvature of the composite material changes and deforms, thereby connecting the three-dimensional channel 7 and the air chamber 10.
[0035] In the specific operation process, the limit values of the air pressure and temperature inside the shell 1 are set through the controller 6. When the air pressure and temperature change, the bimetallic strip 8 bends and opens from the state of closing the fluid channel 7. The fluid channel 7 circulates with the outside air through the air chamber 10, thereby preliminarily alleviating the fluctuations in the internal air pressure and temperature. When the air pressure and temperature cannot be stabilized by the compensation mechanism 2, the controller 6 opens the fresh air system 3 for internal air circulation according to the high temperature and high pressure conditions sensed by the temperature and pressure sensor module 4 and the time counted by the internal clock module of the system, and sends a message to the user's mobile phone through the WIFI wireless module for reminder.
[0036] The above description is only illustrative rather than restrictive of the present invention. Those skilled in the art will understand that many modifications, changes or equivalents may be made without departing from the spirit and scope defined by the appended claims, but all will fall within the scope of protection of the present invention.
Claims
1. A CO2 laser filling and exhaust device with built-in temperature and pressure compensation, characterized in that: The invention comprises a shell (1), a compensation mechanism (2) arranged on both sides of the shell (1), and a fresh air system (3) arranged directly above the shell (1); a temperature and air pressure sensor module (4) is arranged inside the shell (1), the top of the shell (1) is connected to the fresh air system (3) through a heat sink (5), the two sides are connected to the compensation mechanism (2), and a controller (6) is arranged on the front side; the controller (6) comprises a display screen and touch buttons and a core processor arranged inside; the core processor is electrically connected to the fresh air system (3), the temperature and air pressure sensor module (4) and the touch buttons; the compensation mechanism (2) comprises a fluid channel (7) connected to the inside of the shell (1), a bimetallic strip (8) arranged at one end of the fluid channel (7), and a compensation chamber (9) arranged outside the fluid channel (7); the compensation chamber (9) is provided with air chambers (10) connected to the outside on both sides of the fluid channel (7); the bimetallic strip (8) is buckled on the ports of the air chamber (10) and the fluid channel (7); the air chamber (10) is connected to the outside through an exhaust hole (11).
2. The CO2 laser filling and exhaust device with temperature and pressure compensation according to claim 1 is characterized in that: The core processor uses an ATmega328P single-chip microcomputer, receives signals from the power protection module, the touch button, the clock module and the reset module, communicates bidirectionally with the level conversion module, the temperature and pressure sensor module (4), the WIFI wireless module and the ICSP interface, and transmits signals to the fresh air system (3).
3. The CO2 laser filling and exhaust device with temperature and pressure compensation according to claim 2 is characterized in that: One end of the power protection module is connected to the 5V power supply interface, and the other end is connected to the level conversion module through the 5V to 3.3V module; the level conversion module is connected to the UART communication interface and I 2 C communication interface for two-way communication; the I 2 The C communication interface communicates bidirectionally with the temperature and pressure sensor module (4), and the UART communication interface communicates bidirectionally with the WIFI wireless module.
4. The CO2 laser filling and exhaust device with temperature and pressure compensation according to claim 1 is characterized in that: The two ends of the bimetallic strip (8) are fixed inside the compensation chamber (9) by means of clamps (12), one side is buckled against the air chamber (10) and the fluid channel (7), and an active chamber (13) is provided between the other side and the compensation chamber (9).
5. The CO2 laser filling and exhaust device with temperature and pressure compensation according to claim 4 is characterized in that: An O-type sealing ring (14) for sealing the bimetallic strip (8) and the fluid channel (7) is provided on the outer side of the port of the fluid channel (7).
6. The CO2 laser filling and exhaust device with temperature and pressure compensation according to claim 4 is characterized in that: An airway tube is provided at the contact point between the air chamber (10) and the bimetallic strip (8); the airway tube communicates with the air chamber (10) and the fluid channel (7), and an exhaust hole (11) is provided on the side; and a filter screen (15) is provided on the exhaust hole (11).
7. The CO2 laser filling and exhaust device with temperature and pressure compensation according to claim 1 is characterized in that: One side of the fresh air system (3) is connected to the outside world, and the other side is connected to the interior of the housing (1) through a heat sink (5); the heat sink (5) is provided with a plurality of groups of holes for ventilation.