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CN-122015027-A - Self-absorption UV light source capable of rapidly radiating

CN122015027ACN 122015027 ACN122015027 ACN 122015027ACN-122015027-A

Abstract

The invention discloses a self-absorption UV light source capable of rapidly radiating, and belongs to the technical field of UV light sources. The utility model provides a quick radiating self-absorption UV light source, includes the UV light emitting unit, the front end opening part in the casing is installed to the UV light emitting unit, and the radiator is installed to the front end of casing, and the rear end of casing is provided with radiator fan, and back absorption glass is installed in the front end outside of casing, and back absorption glass is connected with the evacuation coupling assembling, and the front end of evacuation coupling assembling is provided with vacuum glass, installs preceding absorption glass on the vacuum glass. The invention solves the problems of large installation occupation space, easy occurrence of asynchronous transportation and solidification and unreasonable radiating structure of the UV light source in the prior art. The invention reduces the installation space, reduces the cost, can rapidly lead out and radiate the heat of the UV luminous unit, avoids overhigh temperature and monitoring a plurality of operation parameters, gives an audible and visual alarm and triggers automatic protection when in abnormality, and improves the operation safety and reliability of equipment.

Inventors

  • ZHU ZHIBIN
  • XU PAN

Assignees

  • 深圳市永成光电子股份有限公司

Dates

Publication Date
20260512
Application Date
20260210

Claims (10)

  1. 1. The utility model provides a quick radiating self-absorption UV light source, including casing (1) and UV light emitting unit (10), its characterized in that, UV light emitting unit (10) are installed in the front end opening part of casing (1), radiator (2) are installed to the front end of casing (1), the rear end of casing (1) is provided with radiator fan (5), the outside of radiator fan (5) is equipped with fan net (8), back absorption glass (6) are installed in the front end outside of casing (1), back absorption glass (6) are connected with evacuation coupling assembling (4), the front end of evacuation coupling assembling (4) is provided with vacuum glass (3), install preceding absorption glass (7) on vacuum glass (3), UV light emitting unit (10), radiator (2) and radiator fan (5) all are connected with power cord (9).
  2. 2. The self-absorption UV light source with rapid heat dissipation according to claim 1, wherein the housing (1) comprises a back cover plate (11), side short plates (12), side long plates (13) and a cover surface (14), the side short plates (12) and the side long plates (13) are arranged in two groups, the two groups of side long plates (13) are arranged in parallel, the side short plates (12) are arranged on the left side and the right side of the side long plates (13), and the back cover plate (11) and the cover surface (14) are respectively arranged at the front end and the back end of the side long plates (13).
  3. 3. The self-absorption UV light source capable of rapidly dissipating heat according to claim 1, wherein the vacuumizing connection assembly (4) comprises a connection piece (41), a negative pressure pipe (42), a negative pressure connector (43), a sealing groove (44) and a sealing ring (45), a through hole is formed in the connection piece (41), the sealing groove (44) is formed in the inlet end and the outlet end of the through hole, the sealing ring (45) is embedded in the sealing groove (44), the negative pressure connector (43) is mounted on the top of the connection piece (41), the negative pressure connector (43) is communicated with the through hole, the negative pressure pipe (42) is mounted on the negative pressure connector (43), and a negative pressure hole is formed in the connection piece (41).
  4. 4. The self-absorption UV light source capable of rapidly dissipating heat according to claim 1, wherein the front absorption glass (7) and the rear absorption glass (6) are arranged in parallel, and are enclosed together with the vacuum glass (3) and the shell (1) to form a vacuum negative pressure chamber, the material between the front absorption glass (7) and the rear absorption glass (6) is borosilicate glass, and a heat-conducting silica gel pad is arranged at the bottom of the radiator (2).
  5. 5. The self-absorption UV light source with rapid heat dissipation according to claim 1, wherein the UV light emitting unit (10) comprises a light emitting source, a driving circuit board, a heat insulation layer and a light emitting surface, wherein the light emitting source is installed between the vacuum negative pressure chamber and the shell (1), the light emitting surface is arranged towards the vacuum glass (3), the light emitting surface corresponds to a light transmission structure of the vacuum glass (3), the front absorption glass (7) and the rear absorption glass (6), the light emitting source is a high-density LED array, the driving circuit board is integrated with a constant current control chip and is further provided with overcurrent and overvoltage protection functions, the heat insulation layer is an aerogel heat insulation pad, and the light emitting surface is packaged by transparent high-temperature resistant materials.
  6. 6. The self-absorption UV light source with rapid thermal dissipation of claim 5, further comprising: the light intensity acquisition unit is arranged opposite to the light emitting surface of the UV light emitting unit (10) and is used for acquiring UV light intensity signals after the product to be solidified is irradiated and converting the UV light intensity signals into UV voltage signals; The curing progress determining unit is used for calculating the curing progress of the product to be cured based on the UV voltage signal; The reference current generation unit is used for generating a basic reference current based on the maximum driving current and the minimum driving current of the high-density LED array and combining the curing progress, wherein the product value of the difference value of the maximum driving current and the minimum driving current and the curing progress is obtained, and the basic reference current is the difference value of the maximum driving current and the product value; the constant current regulating unit is used for determining the initial curing period when the curing progress is in a first range, controlling the constant current output to start with a basic reference current, and carrying out current lifting according to a first current change rate; the constant current regulating unit is also used for determining a curing middle period when the curing progress is in a second range, and controlling constant current output to conduct current fine adjustment according to a second current change rate; and the constant current regulating unit is also used for controlling the constant current output to reduce the current according to a third current change rate when the curing progress is determined to be in the later curing period.
  7. 7. The self-absorption UV light source with rapid thermal dissipation of claim 1, further comprising: The temperature monitoring module is arranged on the surface of the radiator (2) and is fully contacted with the radiator (2) and is used for monitoring the temperature of the radiator (2) in real time so as to reflect the operation temperature of the UV light-emitting unit (10) and control the power of the UV light-emitting unit (10) and the operation parameters of the cooling fan (5) according to the temperature monitoring signal; The fault alarm module is respectively and electrically connected with the vacuumizing connection assembly (4), the UV light-emitting unit (10), the heat radiating unit and the temperature monitoring module and is used for monitoring all operation parameters of the equipment in real time.
  8. 8. The self-absorption UV light source with rapid heat dissipation according to claim 7, wherein the temperature monitoring module comprises: the temperature sensor is used for monitoring the temperature of the radiator (2) in real time, reflecting the running temperature of the UV light-emitting unit (10) and transmitting the monitored temperature signal to the control unit; The control unit is used for feeding back the internal temperature of the equipment in real time according to the temperature signal, triggering the adjustment of the power of the UV light-emitting unit (10) and the operation parameters of the cooling fan (5), automatically reducing the power of the UV light-emitting unit (10) when the monitored temperature exceeds a preset threshold value, reducing the heating value, simultaneously increasing the rotating speed of the cooling fan (5) and the flow of compressed gas, strengthening the heat dissipation effect, and automatically recovering the power of the UV light-emitting unit (10) and the operation parameters of the cooling fan (5) when the temperature is reduced below a safety threshold value.
  9. 9. The self-absorption UV light source with rapid heat dissipation according to claim 7, wherein the implementation process of the failure alarm module specifically comprises: presetting a parameter threshold, and immediately prompting an operator in an audible and visual alarm mode when any monitored parameter exceeds a preset range; and at the same time, an automatic protection mechanism of the equipment is triggered, the power supply of the UV luminous unit (10) is automatically cut off, the luminous light source stops working, and the vacuum generator and the compressed gas supply are closed.
  10. 10. The self-absorption UV light source with rapid thermal dissipation according to claim 6, wherein the curing progress determining unit comprises: the data acquisition unit is used for acquiring a temperature signal of the radiator and receiving the coating thickness of the product to be solidified input by a user; The penetration calculation unit is used for calculating the penetration depth of the UV light at the time t based on the temperature signal and the UV voltage signal of the radiator; And the progress calculation unit is internally provided with a multi-field coupling nonlinear integral model and is used for calculating the curing progress of the product to be cured based on the penetration depth of the UV light at the time t and the thickness of the coating of the product to be cured.

Description

Self-absorption UV light source capable of rapidly radiating Technical Field The invention relates to the technical field of UV light sources, in particular to a self-absorption UV light source capable of rapidly radiating. Background In the field of automatic production and manufacturing, in particular to the process links of electronic component packaging, plastic part bonding, printed matter curing and the like, the UV curing technology is widely applied due to the advantages of high curing speed, environmental protection, no pollution, good curing effect and the like. The core equipment of the UV curing technology is a UV light source, and ultraviolet rays with specific wavelength emitted by the UV light source irradiate the curing material to complete the curing reaction in a short time. Currently, the existing special UV light source on the market generally has only a single curing function and does not have product adsorption and carrying capacity. In the actual production process, when the product is required to be horizontally moved and conveyed and the UV curing process is synchronously completed, enterprises are required to independently install the sucker mechanism for conveying the product and simultaneously install the UV curing lamp cap for realizing the curing function, namely, the process is completed through the cooperation of two independent devices. The multi-equipment matched use mode has the defects that firstly, the installation of two sets of equipment needs to occupy larger production space, for a production line with compact space, the installation requirement is difficult to meet, secondly, the cooperative control difficulty of the two sets of equipment is higher, the problem of asynchronous transportation and solidification is easy to occur, the production efficiency and the solidification quality of products are influenced, furthermore, the design of the heat dissipation structure of the traditional UV light source is unreasonable, a natural heat dissipation or simple air cooling mode is mostly adopted, the heat dissipation efficiency is low, a large amount of heat generated when the UV light source works for a long time cannot be dissipated in time, the luminous efficiency and the service life of the UV light source are reduced, the normal operation of surrounding equipment is influenced due to the fact that the temperature is too high, even the performance of solidified materials is damaged, and therefore the traditional requirement is not met, and the self-absorption UV light source capable of rapidly dissipating heat is provided for people. Disclosure of Invention The invention aims to provide a self-absorption UV light source capable of rapidly radiating, which reduces installation space and cost by integrating a vacuum adsorption unit and a UV light-emitting unit, can rapidly lead out and emit heat of the UV light-emitting unit, maintains the internal temperature of equipment to be stable, avoids ageing and damage of parts, improves operation stability and service life, integrates a temperature monitoring and fault alarming module to realize intelligent temperature control, avoids overhigh temperature and monitors multiple operation parameters, gives an audible and visual alarm and triggers automatic protection in abnormal conditions, improves the operation safety and reliability of the equipment, reduces production risk and solves the problems in the background art. In order to achieve the aim, the self-absorption UV light source capable of rapidly radiating comprises a shell and a UV light-emitting unit, wherein the UV light-emitting unit is arranged at an opening at the front end of the shell, a radiator is arranged at the front end of the shell, a radiator fan is arranged at the rear end of the shell, a fan net is arranged on the outer side of the radiator fan, rear absorption glass is arranged on the outer side of the front end of the shell, the rear absorption glass is connected with a vacuumizing connecting assembly, vacuum glass is arranged at the front end of the vacuumizing connecting assembly, front absorption glass is arranged on the vacuum glass, and the UV light-emitting unit, the radiator and the radiator fan are all connected with a power line. Preferably, the shell comprises a back cover plate, side short plates, side long plates and a cover surface, wherein the side short plates and the side long plates are arranged in two groups, the two groups of side long plates are arranged in parallel, the side short plates are arranged on the left side and the right side of the side long plates, and the back cover plate and the cover surface are respectively arranged at the front end and the back end of the side long plates. Preferably, the vacuumizing connecting assembly comprises a connecting piece, a negative pressure pipe, a negative pressure connector, a sealing groove and a sealing ring, wherein a through hole is formed in the connecting piece, the sealing gro