Galvanometer constant temperature device
By using a galvanometer thermostat, the internal temperature of the laser lamp is kept stable through components such as the TEC and temperature control board. This solves the problem of galvanometer deformation or displacement caused by seasonal changes, and improves the performance of the laser lamp and the reliability of the equipment.
Patent Information
- Application Number
- CN202520065983.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Because laser lights are installed outdoors, they are affected by seasonal changes and unstable internal temperatures, which causes the outline drawn by the galvanometer to be distorted or shifted, affecting the performance.
A galvanometer temperature control device is adopted, including components such as galvanometer, galvanometer driver, temperature control board, and TEC. Temperature conduction is accelerated through TEC groove and thermally conductive silicone sheet, and the galvanometer temperature is kept stable by using PID control algorithm and 10k NTC temperature control sensor.
This achieves stable internal temperature of the laser lamp, avoids deformation or displacement of the galvanometer, and improves the performance of the laser lamp and the reliability of the equipment.
Smart Images

Figure CN223650929U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to laser galvanometer technology field, concretely is a galvanometer constant temperature device. BACKGROUND
[0002] With the improvement of people's living standards, tourism has become an indispensable part of modern life. As an important part of tourism, cultural and tourism night tour is gradually favored by more and more people. Under such background, cultural and tourism night tour brightening project emerges as the times require, which not only lights up the night of the city, but also injects new vitality into the development of cultural and tourism industry.
[0003] Laser lamp as a characteristic project of cultural and tourism night tour is applied to more cultural and tourism projects, laser lamp has a performance form called laser engraving, the purpose is to outline the contour of building or mountain, highlight the characteristics of building or mountain, due to the novel performance form, in recent years, the application is more and more extensive, but because laser lamp is mostly installed outdoors, affected by seasonal change, the internal temperature of laser lamp cannot be kept stable, galvanometer is sensitive to temperature, often the outlined contour will deform or shift, which seriously affects the performance effect of laser lamp. CONTENT OF THE UTILITY MODEL
[0004] In order to solve the problems in the above background technology, the purpose of the utility model is to provide a galvanometer constant temperature device, which has the advantages of stabilizing the internal temperature of laser lamp, solves the problem that the internal temperature of laser lamp cannot be kept stable due to the outdoor installation of laser lamp, the seasonal change, the galvanometer is sensitive to temperature, often the outlined contour will deform or shift, which seriously affects the performance effect of laser lamp.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a galvanometer constant temperature device, comprising a galvanometer, a galvanometer drive, a galvanometer power supply, a temperature control board, a laser drive, a laser controller, a switching power supply, a laser, a galvanometer cushion block and a TEC.
[0006] The TEC groove is formed in the galvanometer cushion block, the galvanometer is fixedly installed on the top of the galvanometer cushion block, the galvanometer is installed on the galvanometer cushion block and connected through nylon bolts, which plays an insulating role; the bottom of the galvanometer cushion block is attached with a heat-conducting silica gel sheet, which accelerates temperature conduction; the TEC is installed in the middle of the galvanometer cushion block and electrically connected with the temperature control board, so that the temperature is quickly adjusted to the set value, and the temperature change of the galvanometer is prevented.
[0007] As preferred in the utility model, the galvanometer is composed of a pair of fold mirrors and a high-speed motor, mainly applied to the rapid and accurate positioning of light beams, high-precision position sensors are used, and the bearing part is specially treated.
[0008] The laser controller provides signals through a galvanometer drive amplification circuit, drives an optical scanning head, and thereby controls deflection of a laser beam in an X-Y plane.
[0009] As the utility model discloses preferred, the temperature control board contains complete PID control algorithm, continuous output mode, and temperature control precision can reach 0.01 degree, the thermoelectric cooler of TEC can have multiple configurations, and power supply is direct current power supply.
[0010] As the utility model discloses preferred, the laser controller is controlled laser output, and the laser is composed of red, green and blue three colors, and the laser controller controls red, green and blue laser output proportion through the three primary colors principle of light, realizes laser full color effect.
[0011] As the utility model discloses preferred, the galvanometer constant temperature device can set the output duty cycle through software, adapts various models of TEC, saves time for TEC selection.
[0012] As the utility model discloses preferred, the galvanometer cushion block bottom increases the heat-conducting silicone sheet, reduces temperature transfer time, guarantees the galvanometer constant temperature.
[0013] Compared with the prior art, the utility model has the beneficial effects as follows:
[0014] 1. The utility model discloses a galvanometer constant temperature device for traditional laser show system, which can accurately position the scanning position of the galvanometer, solve the problem of easy damage of the galvanometer due to overheating, and simplify the repair of the traditional laser show system.
[0015] 2. The utility model discloses a galvanometer constant temperature device for traditional laser show system, which can accurately position the scanning position of the galvanometer, solve the problem of easy damage of the galvanometer due to overheating, and simplify the repair of the traditional laser show system.
[0016] 3. The utility model discloses a galvanometer constant temperature device for traditional laser show system, which can accurately position the scanning position of the galvanometer, solve the problem of easy damage of the galvanometer due to overheating, and simplify the repair of the traditional laser show system. DRAWINGS
[0017] Figure 1 It is the inside structure schematic diagram of the utility model;
[0018] Figure 2 It is the side view structure schematic diagram of the utility model;
[0019] Figure 3 It is the front view structure schematic diagram of the utility model;
[0020] Figure 4 It is the galvanometer cushion block structure schematic diagram of the utility model;
[0021] Figure 5 It is the temperature control software main page schematic diagram of the utility model.
[0022] Explanation of the reference numerals: 1. Galvanometer; 2. Galvanometer driver; 3. Galvanometer power supply; 4. Temperature control board; 5. Laser driver; 6. Laser controller; 7. Switching power supply; 8. Laser; 11. Galvanometer pad; 111. TEC groove. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] like Figures 1 to 5 As shown, the present invention provides a galvanometer temperature control device, including a galvanometer 1, a galvanometer driver 2, a galvanometer power supply 3, a temperature control board 4, a laser driver 5, a laser controller 6, a switching power supply 7, a laser 8, a galvanometer pad 11, and a TEC.
[0025] The galvanometer pad 11 has a TEC groove 111. The galvanometer 1 is fixedly installed on the top of the galvanometer pad 11. The galvanometer 1 is installed on the galvanometer pad 11 and connected by nylon bolts, which serve as insulation. A thermally conductive silicone sheet is attached to the bottom of the galvanometer pad 11 to accelerate temperature conduction. The TEC is installed in the middle of the galvanometer pad 11 and is electrically connected to the temperature control board 4 to quickly adjust the temperature to the set value and prevent excessive temperature changes in the galvanometer 1.
[0026] refer to Figure 1 The galvanometer 1 consists of a pair of folding mirrors and a high-speed motor. It is mainly used for the rapid and accurate positioning of the light beam. It adopts a high-precision position sensor and the bearing part is specially treated.
[0027] As a technical optimization solution of this utility model, it can withstand long-term uninterrupted operation and achieve the highest dynamic performance and resonance characteristics.
[0028] refer to Figure 1 The laser controller 6 provides a signal to the galvanometer driver 2 amplification circuit, which drives the optical scanning head, thereby controlling the deflection of the laser beam in the XY plane.
[0029] As a technical optimization of this utility model, the laser controller 6 provides a signal to the galvanometer driver 2 amplification circuit, thereby precisely controlling the planar frame beam and avoiding laser deflection and divergence.
[0030] refer to Figure 1The temperature control board 4 contains a complete PID control algorithm, with continuous output mode and a temperature control accuracy of up to 0.01 degrees. The thermoelectric cooling chip temperature control board of the TEC supports the most commonly used 10kNTC temperature control sensor. The TEC can have multiple configurations and is powered by DC.
[0031] As a technical optimization of this utility model, TEC can be configured with standard parts available on the market according to actual application needs, and then matched and used to improve the compatibility range.
[0032] refer to Figure 1 The function of the laser controller 6 is to control the output of the laser 8, which is composed of red, green and blue light. The laser controller 6 controls the output ratio of red, green and blue lasers through the principle of the three primary colors of light to achieve a full-color laser effect.
[0033] As a technical optimization of this utility model, the laser controller 6 can control the output ratio of the three colors of the laser light, thereby improving the accuracy of color switching control.
[0034] The aforementioned TEC, also known as a semiconductor cooler, refers to a device that generates cooling by utilizing the thermoelectric effect of semiconductors. When two different metals are connected by a conductor and a direct current is applied, the temperature at one junction decreases while the temperature at the other junction increases. If the power supply is reversed, the temperature at the junction changes in the opposite direction. This phenomenon is called the Peltier effect. This characteristic is used to realize the galvanometer thermostat.
[0035] The temperature control board can be controlled bidirectionally, supporting heating and cooling, or it can be configured to be unidirectional via protocol. It can set and detect temperature through serial port and has alarm and ready signal output functions.
[0036] The working principle and usage process of this utility model are as follows: First, arrange all the components according to... Figures 1-5 The assembly is complete. Note that the assembly gap should not be too large. Install the TEC in the TEC groove 111 of the galvanometer pad 11. Before installation, apply thermal grease to the contact surfaces to ensure that the galvanometer pad 11 and the TEC fit tightly without any gaps.
[0037] Attach a thermally conductive silicone pad to the bottom of the galvanometer pad 11 placed in the TEC. After attaching, install it on the heat sink of the laser lamp and tighten it with insulated screws to prevent electromagnetic interference from the galvanometer 1.
[0038] A temperature sensor is mounted on the upper part of the galvanometer 1. The temperature sensor is fixed to the galvanometer pad 11 with glue and filled with thermally conductive silicone grease. The other end of the temperature sensor is connected to the temperature control board 4 to monitor the temperature of the galvanometer pad 11 in real time. The temperature control board 4 adjusts the PID algorithm and output duty cycle through software to maximize the TEC effect.
[0039] When the galvanometer 1 is working normally, it will generate heat. When the temperature reaches the set temperature, the TEC will start cooling and quickly transfer the heat on the galvanometer 1 to the laser lamp heat sink through heat conduction. When working in winter, the internal temperature of the laser lamp is low. When the temperature is lower than the set value, the temperature control board 4 controls the TEC111 to heat up, thereby achieving the function of constant temperature for the galvanometer 1.
[0040] In summary, this galvanometer temperature control device, by incorporating galvanometer 1, galvanometer driver 2, galvanometer power supply 3, temperature control board 4, laser driver 5, laser controller 6, switching power supply 7, laser 8, galvanometer pad 11, and TEC, solves the problem that existing laser lights, mostly installed outdoors, are affected by seasonal changes, resulting in unstable internal temperatures and galvanometers that, due to their temperature sensitivity, often deform or shift the outlines drawn, severely impacting the performance of the laser lights.
[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A galvanometer temperature control device, characterized in that, Includes galvanometer (1), galvanometer driver (2), galvanometer power supply (3), temperature control board (4), laser driver (5), laser controller (6), switching power supply (7), laser (8), galvanometer pad (11), and TEC; The galvanometer pad (11) has a TEC groove (111). The galvanometer (1) is fixedly installed on the top of the galvanometer pad (11). The galvanometer (1) is installed on the galvanometer pad (11) and connected by nylon bolts to provide insulation. A thermally conductive silicone sheet is attached to the bottom of the galvanometer pad (11) to accelerate temperature conduction. The TEC is installed in the middle of the galvanometer pad (11) and is electrically connected to the temperature control board (4) to quickly adjust the temperature to the set value and prevent the temperature of the galvanometer (1) from changing too much.
2. The galvanometer temperature control device according to claim 1, characterized in that: The galvanometer (1) consists of a pair of folding mirrors and a high-speed motor. It is mainly used for the rapid and accurate positioning of the beam. It adopts a high-precision position sensor and the bearing part is specially treated.
3. The galvanometer temperature control device according to claim 1, characterized in that: The laser controller (6) provides a signal to the galvanometer driver (2) amplification circuit to drive the optical scanning head, thereby controlling the deflection of the laser beam in the XY plane.
4. The galvanometer temperature control device according to claim 1, characterized in that: The temperature control board (4) contains a complete PID control algorithm, continuous output mode, and temperature control accuracy up to 0.01 degrees. The thermoelectric cooling chip temperature control board of the TEC supports the most commonly used 10k NTC temperature control sensor. The TEC can have multiple configurations and is powered by DC power.
5. The galvanometer temperature control device according to claim 1, characterized in that: The function of the laser controller (6) is to control the output of the laser (8), which is composed of three colors: red, green and blue. The laser controller (6) controls the output ratio of red, green and blue lasers through the principle of the three primary colors of light to achieve a full-color laser effect.