Laser power supply device with multiple output modes

Abstract

In order to meet different application requirements, the utility model provides a laser power supply device with multiple starting modes, which comprises an ACDC (alternating current to direct current) conversion module, a capacitor module, a radiator, a main control board, a current distribution module, a fan, a signal conversion module and a laser interface, all the modules are tightly attached to the radiator, the size is greatly reduced, the current output mode is controlled through the signal conversion board, application requirements in different scenes can be met, output current is evenly distributed to each path through a current distribution algorithm, heat loss is effectively reduced, and the service life of the radiator is prolonged. And the sustainable working time of the equipment is prolonged while the conversion efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of laser power supply equipment, and in particular to a multi-output laser power supply device. Background Art

[0002] Pulsed laser power supplies and equipment are key components that drive lasers to produce high-energy, short-duration pulses. Their core function is to provide high current and high voltage to the laser for a short period of time to generate laser pulses. Pulsed laser power supplies and equipment are widely used in various fields, including material processing (such as laser cutting, marking, and welding), medical treatment, scientific research, and laser ranging (LiDAR). Different applications place different technical requirements on pulsed laser power supplies, which are mainly reflected in the following aspects:

[0003] Pulse width adjustment: According to application requirements, the pulse laser power supply can adjust the pulse width of the output laser, which usually requires precise control at the microsecond, nanosecond, or even picosecond level.

[0004] Repetition frequency: The laser pulse repetition frequency requirement is high, usually in the thousands of hertz or even higher. Especially in industrial processing, frequency stability and adjustment capability are one of the core technologies.

[0005] Voltage and current: Pulsed laser power supplies must be able to provide high voltage and high current to drive the laser medium to produce laser output of sufficient intensity. The peak current and peak voltage are usually much higher than the operating range of ordinary electronic devices.

[0006] Pulse laser power supply equipment plays a vital role in laser technology. In order to meet different application requirements, the utility model proposes a dual-trigger pulse laser power supply and equipment. Summary of the Invention

[0007] In order to meet different application requirements, this paper provides a new laser power supply device with multiple output modes, including an ACDC conversion module, a capacitor module, a radiator, a main control board, a current distribution module, a fan, a signal conversion board, and a laser interface.

[0008] The ACDC conversion module converts alternating current into direct current through an internal rectifier circuit. The converted direct current output is connected to the capacitor module through a wire. The capacitor module has the functions of energy storage and voltage stabilization. The capacitor module supplies power to the main control board through a step-down circuit. The capacitor module is connected to the current distribution module through a wire.

[0009] The main control board is connected to the signal conversion board via a signal line, and the main control board controls the current distribution module via an isolation circuit.

[0010] The signal conversion board receives the optical pulse signal through the optical fiber interface and receives the key voltage signal through the key interface.

[0011] The current distribution module has a total of 6 outputs. The current output of each channel is calculated by a current distribution algorithm, and the 6 outputs are connected in parallel and then output through the above-mentioned laser interface.

[0012] The radiator is attached to the ACDC conversion module, the capacitor module, and the main control board through thermal grease to conduct heat generated by each module.

[0013] The fan is fixed to the side of the radiator by nuts, accelerating the conversion of internal and external air to achieve cooling of the radiator.

[0014] Beneficial effects: The utility model fits each module tightly to the radiator, and the volume is greatly reduced. The current output mode is controlled by the signal conversion board, which can meet the application requirements in different scenarios. The current distribution algorithm can meet the application requirements in different scenarios. The output current is evenly distributed to each path through the current distribution algorithm, which effectively reduces heat loss, improves conversion efficiency, and increases the sustainable working time of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the structural frame of the utility model.

[0016] Figure 2 This is the structural diagram of the signal conversion board.

[0017] Figure 3 This is the module connection diagram of this utility model. DETAILED DESCRIPTION

[0018] To make the purpose, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention are described clearly and completely below in conjunction with the accompanying drawings. Obviously, the embodiments described are part of the embodiments of this specification, not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in this specification without creative effort are within the scope of protection of this utility model.

[0019] This invention provides a new laser power supply device with multiple output modes. Figure 1 , including ACDC conversion module, capacitor module, radiator, main control board, current distribution module, fan, signal conversion board, and laser interface.

[0020] Reference Figure 3The ACDC conversion module converts alternating current into direct current through an internal rectifier circuit. The converted direct current output is connected to the capacitor module through a wire. The capacitor module has the functions of energy storage and voltage stabilization. The capacitor module supplies power to the main control board through a step-down circuit. The capacitor module is connected to the current distribution module through a wire.

[0021] The main control board is connected to the signal conversion board via a signal line, and the main control board controls the current distribution module via an isolation circuit.

[0022] Reference Figure 2 The signal conversion board receives the optical pulse signal through the optical fiber interface and receives the key voltage signal through the key interface.

[0023] The current distribution module has a total of 6 outputs. The current output of each channel is calculated by a current distribution algorithm, and the 6 outputs are connected in parallel and then output through the above-mentioned laser interface.

[0024] The radiator is attached to the ACDC conversion module, the capacitor module, and the main control board through thermal grease to conduct heat generated by each module.

[0025] The fan is fixed to the side of the radiator by nuts, accelerating the conversion of internal and external air to achieve cooling of the radiator.

[0026] The following describes the implementation examples based on different startup methods:

[0027] After power is turned on, the ACDC conversion module converts AC power into DC output to power the device, and the radiator and fan start.

[0028] Example 1:

[0029] An optical signal is generated by an optical pulse generator, inputted into the optical fiber interface of the signal conversion board through an optical fiber, and converted into a voltage signal recognizable by the main control board through a photoelectric conversion circuit.

[0030] Furthermore, after the main control board receives the voltage signal, different voltage signal strengths correspond to different output currents, and the output current is calculated according to a preset corresponding relationship formula. .

[0031] Furthermore, the output current is calculated Then through the formula: ,in is the current distribution coefficient, is the current distributed in the i-th path.

[0032] Furthermore, the calculation result of the main control board is sent to the current distribution module via an optical coupling isolation circuit, and the current distribution module distributes the currents to various paths according to the main control instruction.

[0033] Example 2:

[0034] Insert the button into the button interface and connect it to the signal conversion board. When the button is pressed, it will continuously transmit a voltage signal that can be recognized by the main control board.

[0035] Furthermore, after the main control board receives the voltage signal, different voltage signal strengths correspond to different output currents, and the output current is calculated according to a preset corresponding relationship formula. .

[0036] Furthermore, the output current is calculated Then through the formula: ,in is the current distribution coefficient, is the current distributed in the i-th path.

[0037] Furthermore, the calculation result of the main control board is sent to the current distribution module via an optical coupling isolation circuit, and the current distribution module distributes the currents to various paths according to the main control instruction.

[0038] Furthermore, when the button is released, the voltage signal recognizable by the main control board is cut off, and the current output stops.

[0039] Example 3:

[0040] A timer is set inside the main control board to periodically generate voltage signals. Different voltage signal strengths correspond to different output currents. The output current is calculated based on the pre-set corresponding relationship formula. .

[0041] Furthermore, the output current is calculated Then through the formula: ,in is the current distribution coefficient, is the current distributed in the i-th path.

[0042] Furthermore, the calculation result of the main control board is sent to the current distribution module via an optical coupling isolation circuit, and the current distribution module distributes the currents to various paths according to the main control instruction.

[0043] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that various modifications may be made to the present invention, or some of the technical features thereof may be replaced by equivalents. However, these modifications and replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the present invention.

Claims

1. A multi-output laser power supply device, characterized in that: It includes an ACDC conversion module, a capacitor module, a radiator, a main control board, a current distribution module, a fan, a signal conversion board, and a laser interface. The ACDC conversion module converts alternating current into direct current output through an internal rectifier circuit. The converted direct current output is connected to the capacitor module through a wire. The capacitor module supplies power to the main control board through a step-down circuit. The capacitor module is connected to the current distribution module through a wire. The main control board is connected to the signal conversion board via a signal line, and the main control board controls the current distribution module via an isolation circuit; the signal conversion board receives optical pulse signals via an optical fiber interface and receives key voltage signals via a key interface; the current distribution module has a total of 6 outputs, each current output is calculated using a current distribution algorithm, and the 6 outputs are connected in parallel and output through the above-mentioned laser interface; the radiator is adhered to the ACDC conversion module, the capacitor module, and the main control board via thermal grease to conduct heat generated by each module; the fan is fixed to the side of the radiator via a nut.

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