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CN-122015056-A - Automatic energy-saving street lamp light source of cooling

CN122015056ACN 122015056 ACN122015056 ACN 122015056ACN-122015056-A

Abstract

The invention discloses an automatic cooling energy-saving street lamp light source, which relates to the technical field of road illumination and aims to solve the technical problems that the heat dissipation structure of the current street lamp light source can only conduct unidirectional continuous heat dissipation, so that the street lamp light source is difficult to work in an optimal temperature interval and energy waste and performance loss are caused. The heat generated by the working of the light source module is absorbed and vaporized by the low-boiling-point liquid in the sealed cavity formed by the heat absorption block and the heat absorption liquid cavity, the vapor pressure enables the air pressure in the heat absorption liquid cavity to be increased, and the heat dissipation block can intermittently dissipate heat as required through the opening and closing control of the pressure accumulation valve mechanism, so that the continuous heat dissipation of the traditional structure is avoided, the light source module is beneficial to quickly heating and preserving heat in a low-temperature environment when the ambient temperature is low, and the light source module can work in a proper working temperature range, and the energy saving effect is achieved.

Inventors

  • YANG GUOQIANG
  • LUO XUFU

Assignees

  • 宁波市国华光电科技有限公司

Dates

Publication Date
20260512
Application Date
20260107

Claims (10)

  1. 1. The utility model provides an energy-saving street lamp light source of automatic cooling, its characterized in that, including casing (1), be equipped with light source module (2) in casing (1), casing (1) bottom sets firmly lens (3), casing (1) top sets firmly insulator (4), insulator (4) bottom penetrates in casing (1) and seted up heat absorption liquid chamber (41), insulator (4) top wears out outside casing (1) and set up condensate chamber (42), air cavity (43) have been seted up to condensate chamber (42) one side, air cavity (43) bottom set up with air channel (44) of heat absorption liquid chamber (41) top intercommunication, install annular (40) on air channel (44), install and set firmly pressure accumulation valve mechanism (7) on annular (40), preset groove (45) have been seted up to condensate chamber (42) bottom, preset groove (45) bottom sets up circular groove on the rotation be equipped with send liquid axle (8) with heat absorption liquid chamber (42) bottom end set up with heat absorption liquid chamber (4) top intercommunication, air channel (44) have been seted up with heat absorption liquid chamber (4) top (4) through heat absorption valve mechanism (4) top connection, heat absorption piece (5) are equipped with on air channel (44), the top end of the radiating block (6) is provided with a cleaning mechanism (10), and the output end of the cleaning mechanism (10) is connected with one end, far away from the transmission assembly (9), of the liquid feeding shaft (8); The sealed cavity enclosed by the heat absorption block (5) and the heat absorption liquid cavity (41) is filled with low boiling point liquid.
  2. 2. The automatic cooling energy-saving street lamp light source according to claim 1, wherein a wide tube (46) communicated with the bottom end of the circular groove is fixedly arranged at the top end of the heat absorption liquid cavity (41), and the liquid level of the low boiling point liquid in the heat absorption liquid cavity (41) is higher than the bottom end of the wide tube (46).
  3. 3. The automatic cooling energy-saving street lamp light source according to claim 1, wherein a heat absorption groove (51) is formed in the bottom end of the heat absorption block (5), and the heat absorption groove (51) is detachably and fixedly connected with the top end of the light source module (2).
  4. 4. The automatic cooling energy-saving street lamp light source according to claim 2, wherein a plurality of cooling grooves A (61) are uniformly formed in the top end of the cooling block (6), the cross section of the groove body of the cooling groove A (61) is of an arc-shaped structure, the cross section area of the cooling groove A (61) is gradually increased from the center of the groove body to two ends, a plurality of condensing grooves (62) are uniformly formed in the bottom end of the cooling block (6), and the shape, the size and the distribution of the condensing grooves (62) are matched with the structure of the cooling block (6) so that the cooling process is relatively uniform and efficient.
  5. 5. The automatic cooling energy-saving street lamp light source according to claim 4, wherein the pressure accumulation valve mechanism (7) comprises a ring pipe (71), a fixed ring (72), a piston (73) and two vertical rods (75), the ring pipe (71) is fixedly arranged on the mounting ring groove (40), the fixed ring (72) is fixedly arranged at the top end of a tube cavity of the ring pipe (71), the piston (73) is arranged below the fixed ring (72) and is in sliding connection with the tube cavity of the ring pipe (71), the piston (73) is in elastic connection with the fixed ring (72) through a spring A (70), sliding holes (74) are formed in two ends of the piston (73), two vertical rods (75) are fixedly arranged at the bottom end of the ring pipe (71), a blocking column (76) is fixedly arranged at the bottom end of the vertical rod (75), and the blocking column (76) is in sliding fit with the sliding holes (74).
  6. 6. The automatic cooling energy-saving street lamp light source according to claim 5, wherein the bottom end of the piston (73) is provided with a movable cavity (77), the inner surface of the ring pipe (71) is provided with a plurality of arc grooves (711) in an annular equidistant structure, the arc grooves (711) are movably provided with elastic balls (712), and the elastic balls (712) are elastically connected with the eccentric ends of the arc grooves (711) through springs B (713).
  7. 7. The automatic cooling energy-saving street lamp light source according to claim 6, wherein a cross rod A (81) is fixedly arranged at one end of the liquid feeding shaft (8) close to the annular pipe (71), a cross rod B (82) is fixedly arranged at one end of the liquid feeding shaft (8) far away from the annular pipe (71), the cross rod A (81) and the cross rod B (82) are both rotationally connected with the heat insulator (4), a liquid conveying groove (83) is formed in the top end of the cross rod B (82), and the preset groove (45) and the wide pipe (46) are both communicated and matched with the liquid conveying groove (83).
  8. 8. The automatic cooling energy-saving street lamp light source according to claim 7, wherein the transmission assembly (9) comprises a rotating shaft (91), a cam (92) and a connecting arm (95), the rotating shaft (91) is rotationally arranged at the bottom of a tube cavity of the ring tube (71), the rotating shaft (91) penetrates out of the ring tube (71) and is fixedly connected with the cross rod A (81), the cam (92) is fixedly arranged on the rotating shaft (91), the connecting arm (95) is rotationally arranged on the movable cavity (77) through a rotating rod, and the bottom end of the connecting arm (95) is connected with the cam (92) through a rotating body (93); The cam (92) is provided with a chute (94), and the rotating body (93) is movably arranged in the chute (94) and is rotationally connected with the bottom end of the connecting arm (95).
  9. 9. The automatic cooling energy-saving street lamp light source according to claim 8, wherein the cleaning mechanism (10) comprises a plurality of cross shafts (101) and a plurality of toothed rings (104), the cross shafts (101) are respectively arranged on the plurality of radiating grooves a (61), scraping plates (102) which are matched with the radiating grooves a (61) in shape are fixedly arranged on the cross shafts (101), a plurality of rotating rings (103) are fixedly arranged on the scraping plates (102), the rotating rings (103) are rotationally connected with the radiating grooves a (61), the rotating rings (103) are matched with the radiating grooves a (61) in shape, the toothed rings (104) are respectively arranged at one ends, away from the cross shafts a (81), of the cross shafts (101), and the toothed rings (104) are fixedly connected with the cross shafts (101) through a plurality of connecting plates which are arranged in an annular equidistant structure, and two adjacent toothed rings (104) are meshed and connected.
  10. 10. The automatic cooling energy-saving street lamp light source according to claim 9, wherein the cleaning mechanism (10) further comprises a belt pulley a (105) and a belt pulley B (106), wherein the belt pulley a (105) is arranged on one side of one of the toothed rings (104) close to the cross rod a (81) and fixedly connected with the corresponding transverse shaft (101), the belt pulley B (106) is arranged below the belt pulley a (105), the belt pulley B (106) is in transmission connection with the belt pulley a (105) through a transmission belt (107), and the cross rod B (82) penetrates out of the heat insulator (4) and is fixedly connected with the belt pulley B (106).

Description

Automatic energy-saving street lamp light source of cooling Technical Field The invention relates to the technical field of road illumination, in particular to an energy-saving street lamp light source capable of automatically cooling. Background With the popularization of efficient light sources such as LEDs in road illumination, the problem of heat dissipation has become a key technical bottleneck affecting the light efficiency, the service life and the long-term reliability of the light sources. If a large amount of waste heat generated by the light source during working can not be discharged in time, the junction temperature of the chip is rapidly increased, serious light attenuation and color temperature deviation are caused, the service life is greatly shortened, and the current mainstream technology mainly depends on a continuous passive heat dissipation structure, for example, an aluminum fin radiator is directly arranged on the back of the light source for auxiliary heat dissipation. However, the fin radiator is continuous and irreversible unidirectional heat radiation, under winter or low environmental temperature, a continuous heat radiation path is like a window which is always opened by the same fan, heat generated when the light source is started is not yet enabled to reach the optimal working temperature, and is conducted into cold air by the heat radiation structure, so that the light source is in a cold running state for a long time, although overheat risks are avoided, the LED works at an excessively low temperature, the luminous efficiency is reduced, the starting characteristic is poor, the optimal performance is difficult to exert, and unnecessary energy dissipation and potential performance loss are caused. In view of this, we propose an energy-saving street lamp light source with automatic cooling. Disclosure of Invention The invention aims to provide an energy-saving street lamp light source capable of automatically reducing temperature, which aims to solve the technical problems that the heat dissipation structure of the current street lamp light source can only perform unidirectional continuous heat dissipation, so that the street lamp light source is difficult to work in an optimal temperature interval, and energy waste and performance loss are caused. The technical scheme includes that the automatic cooling energy-saving street lamp light source comprises a shell, a light source module is arranged in the shell, a lens is fixedly arranged at the bottom end of the shell, a heat insulator is fixedly arranged at the top end of the shell, the bottom end of the heat insulator penetrates into the shell and is provided with a heat absorption liquid cavity, the top end of the heat insulator penetrates out of the shell and is provided with a condensate cavity, one side of the condensate cavity is provided with an air cavity, the bottom end of the air cavity is provided with an air channel communicated with the top end of the heat absorption liquid cavity, the air channel is provided with a mounting annular groove, an accumulator valve mechanism is fixedly arranged on the mounting annular groove, the bottom end of the condensate cavity is provided with a preset groove, a liquid feeding shaft is rotatably arranged on the circular groove, the liquid feeding shaft is connected with the accumulator valve mechanism through a transmission assembly, the bottom end of the heat insulator is fixedly provided with a heat absorption block connected with the top end of the light source module, the top end of the heat absorption block is fixedly provided with a cleaning mechanism, the output end of the cleaning mechanism is fixedly connected with the heat absorption block, and the heat absorption liquid feeding shaft is far away from the transmission assembly, and one end of the heat absorption liquid cavity is filled with the heat absorption liquid cavity. Preferably, the top end of the heat absorption liquid cavity is fixedly provided with a wide pipe communicated with the bottom end of the circular groove, and the liquid level height of the low boiling point liquid in the heat absorption liquid cavity is Yu Kuan pipe bottom ends. Preferably, a heat absorption groove is formed in the bottom end of the heat absorption block, and the heat absorption groove is detachably and fixedly connected with the top end of the light source module. Preferably, a plurality of radiating grooves A are uniformly formed in the top end of the radiating block, the cross section of the groove body of the radiating groove A is of an arc-shaped structure, the cross section area of the radiating groove A is gradually increased from the center of the groove body to two ends, a plurality of condensing grooves are uniformly formed in the bottom end of the radiating block, and the shape, the size and the distribution of the condensing grooves are matched with the structure of the radiating block, so that the cooling process is rela