Navigation signal lamp with light attenuation detection

Abstract

The utility model discloses a navigation signal lamp with light decay detection, which comprises a lamp holder, a lampshade is arranged on the lamp holder, a lamp cavity is formed in the lampshade in a surrounding manner, a lamp panel is arranged in the lamp cavity, an LED lamp wick is integrated on the lamp panel, a photosensitive probe for detecting light intensity is arranged in the lamp cavity, and the photosensitive probe is connected with the lampshade. A light attenuation detection module and a power supply driving module are installed on the lamp holder, the light attenuation detection module is connected with a photosensitive probe, the power supply driving module is connected with the lamp panel, the light attenuation detection module is integrated with a relay, and the relay is connected with an external circuit and the power supply driving module. The photosensitive switch is adopted to detect the light intensity, and when the light intensity photosensitive probe detects that the light intensity is smaller than a set threshold value, the photosensitive detection module disconnects the integrated relay, so that power supply to the power supply driving module is stopped, and inspection personnel can quickly judge that the lamp has light attenuation so as to maintain and replace the lamp.

Description

Technical Field

[0001] The utility model relates to a navigation signal light with light decay detection function. Background Art

[0002] According to the rules for avoiding collisions between ships, ships must be equipped with navigation signal lights, which are important lighting systems to ensure the safe navigation of ships at night. They indicate the position, performance, working status, towing conditions, etc. of the ship.

[0003] Existing navigation signal lights have the following disadvantages: LED light sources will gradually decay over time and in different usage environments; when the light intensity cannot meet the requirements of the visible distance due to the decay of the light source or when the light source fails, it will greatly affect navigation safety.

[0004] At present, regular inspections are carried out by personnel. This method not only consumes a lot of manpower, but also human observation cannot determine whether the light intensity is attenuated, and cannot promptly discover the above-mentioned problems that have occurred. There are safety hazards and further improvements are needed. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a navigation signal light that uses a photosensitive switch to detect light intensity. When the light intensity is less than a set threshold, the power supply to the power drive module is stopped, so that the inspection personnel can quickly determine whether the light has decayed and perform maintenance and replacement.

[0006] A navigation signal light with light decay detection designed for this purpose comprises a lamp holder, a lampshade is arranged on the lamp holder, a lamp cavity is formed in the lampshade, a lamp board is arranged in the lamp cavity, an LED wick is integrated on the lamp board, a photosensitive probe for detecting light intensity is arranged in the lamp cavity, a light decay detection module and a power drive module are installed on the lamp holder, the light decay detection module is connected to the photosensitive probe, the power drive module is connected to the lamp board, the light decay detection module is integrated with a relay, and the relay is connected to an external circuit and the power drive module.

[0007] Preferably, the lampshade is annular in structure, the lower end surface of the lampshade is in contact with the upper end surface of the lamp holder, the upper end surface of the lampshade is covered with an upper cover, a radiator is arranged in the lamp cavity, and the lamp panel is arranged on the radiator.

[0008] Preferably, the light boards are provided in three pieces, namely, a first light board, a second light board and a third light board, and the first light board, the second light board and the third light board are respectively provided on the peripheral sides of the heat sink;

[0009] The LED wicks of the first light board and the LED wicks of the second light board are separated by 112.5°;

[0010] The LED lamp core of the second lamp board is 112.5° away from the LED lamp core of the third lamp board;

[0011] The LED lamp core of the third lamp board is 135° away from the LED lamp core of the first lamp board.

[0012] Preferably, the light attenuation detection module is a photosensitive switch.

[0013] Preferably, the lower end of the radiator is fixedly connected to the lamp holder, a connecting seat is fixedly connected to the upper end surface of the radiator, a mounting hole is provided on the upper cover at a position corresponding to the connecting seat, and a connecting bolt is passed through the mounting hole and threadedly connected to the connecting seat.

[0014] Preferably, the upper and lower end surfaces of the lampshade are both provided with sealing rings.

[0015] Preferably, the lamp holder is hollow inside and has an opening at the lower end, the light decay detection module and the power drive module are arranged inside the lamp holder, a cover plate is provided at the opening of the lamp holder, a cable waterproof connector is installed on the cover plate, and a connecting port which is interconnected with the lamp cavity is provided on the lamp holder.

[0016] Preferably, the radiator is hollow inside and is communicated with the communication port.

[0017] Preferably, a light shield is rotatably provided on the lamp holder outside the lampshade, and the light shield is an arc-shaped plate structure.

[0018] Compared with the prior art, the utility model adopts a photosensitive switch to detect light intensity. When the light intensity photosensitive probe detects that the light intensity is less than a set threshold, the photosensitive detection module disconnects the integrated relay, thereby stopping power supply to the power drive module, so that the inspection personnel can quickly determine that the lamp has light attenuation and perform maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model;

[0020] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 3 This is one of the cross-sectional structural schematic diagrams of the utility model;

[0022] Figure 4 This is the second schematic diagram of the cross-sectional structure of the utility model;

[0023] Figure 5 This is the third schematic diagram of the cross-sectional structure of the utility model;

[0024] Figure 6 This is a schematic diagram of the distribution of the light panels in the utility model;

[0025] Figure 7 This is the circuit schematic diagram of the navigation signal light. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] See also Figure 1-Figure 7 A navigation signal light with light decay detection comprises a lamp holder 10, a lamp shade 110 is arranged on the lamp holder 10, a lamp cavity 111 is formed in the lamp shade 110, a lamp board 220 is arranged in the lamp cavity 111, an LED wick 221 is integrated in the lamp board 220, a photosensitive probe 230 for detecting light intensity is arranged in the lamp cavity 111, a light decay detection module 310 and a power drive module 320 are installed on the lamp holder 10, the light decay detection module 310 is connected to the photosensitive probe 230, the power drive module 320 is connected to the lamp board 220, the light decay detection module 310 is integrated with a relay, and the relay is connected to an external circuit and the power drive module 320.

[0028] The power supply of the photosensitivity detection module is provided by an external power supply. After power is turned on, the relay coil integrated in the photosensitivity detection module is energized, the normally open contacts of the relay are closed and power is supplied to the power drive module. The photosensitivity detection module is connected to a photosensitive probe. When the photosensitive probe detects that the light intensity is less than a set threshold, the photosensitivity detection module disconnects the integrated relay coil, thereby stopping power supply to the power drive module, and thus extinguishing the LED wick.

[0029] Furthermore, the light attenuation detection module 310 is a photosensitive switch, and the photosensitive switch, photosensitive probe and power drive module are all existing commercially available products.

[0030] See also Figure 3 The lampshade 110 is annular in structure, the lower end surface of the lampshade 110 is in contact with the upper end surface of the lamp holder 10 , the upper end surface of the lampshade 110 is covered with an upper cover 120 , a heat sink 210 is disposed in the lamp cavity 111 , and the lamp board 220 is disposed on the heat sink 210 .

[0031] See also Figure 6 The lamp board 220 is provided with three pieces, namely a first lamp board 240, a second lamp board 250 and a third lamp board 260, and the first lamp board 240, the second lamp board 250 and the third lamp board 260 are respectively arranged on the peripheral side of the heat sink 210;

[0032] The LED lamp core 221 of the first lamp board 240 and the LED lamp core 221 of the second lamp board 250 are separated by 112.5°;

[0033] The LED lamp core 221 of the second lamp board 250 and the LED lamp core 221 of the third lamp board 260 are separated by 112.5°;

[0034] The LED lamp core 221 of the third lamp board 260 is spaced 135° from the LED lamp core 221 of the first lamp board 240 .

[0035] See also Figure 3 A substrate 520 is also provided on the lamp board 220 , a lens 510 is provided on the substrate 520 at a position corresponding to the LED lamp core 221 , and a groove 530 is provided on the substrate 520 at a position corresponding to the photosensitive probe 230 .

[0036] See also Figure 5 The lower end of the heat sink 210 is fixedly connected to the lamp holder 10, and a connecting seat 160 is fixedly connected to the upper end surface of the heat sink 210. The upper cover 120 is provided with a mounting hole 121 at a position corresponding to the connecting seat 160. A connecting bolt 130 is passed through the mounting hole 121 and is threadedly connected to the connecting seat 160.

[0037] See also Figure 4 The upper and lower end surfaces of the lampshade 110 are both provided with a sealing ring 60. The sealing performance can be effectively enhanced to avoid problems such as water seepage that affect normal use.

[0038] See also Figure 5 The lamp holder 10 is hollow inside and has an opening at the lower end. The light decay detection module 310 and the power drive module 320 are arranged inside the lamp holder 10. A cover plate 100 is arranged at the opening of the lamp holder 10. A cable waterproof connector 40 is installed on the cover plate 100. The lamp holder 10 is provided with a connecting port 101 which is interconnected with the lamp cavity 111.

[0039] The cable waterproof connector 40 is used for threading electric wires, so as to facilitate inserting external electric wires into the lamp holder 10 to connect with components.

[0040] Furthermore, a breathing valve 70 is installed on the cover plate 100, and the breathing valve 70 can connect the inside and the outside of the lamp holder 10 to each other, so as to achieve air circulation and take away heat to improve the heat dissipation effect.

[0041] See also Figure 5 The heat sink 210 is hollow inside and communicates with the communication port 101 .

[0042] See also Figure 1 and Figure 2A light shield 140 is rotatably provided on the lamp holder 10 outside the lampshade 110. The light shield 140 is an arc-shaped plate structure. The light shield 140 is rotated according to different shading requirements to achieve light output and shading requirements.

[0043] In the present invention, the lamp holder 10, the lampshade 110, the light shielding 140, the cover plate 100 and the upper cover 120 are all provided with a radar absorbing coating, which can absorb radar waves and improve the stealth performance.

[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A navigation signal light with light decay detection, comprising a lamp holder (10), wherein a lampshade (110) is arranged on the lamp holder (10), wherein a lamp cavity (111) is formed in the lampshade (110), wherein a lamp board (220) is arranged in the lamp cavity (111), wherein an LED lamp core (221) is integrated on the lamp board (220), wherein: A photosensitive probe (230) for detecting light intensity is arranged in the lamp cavity (111); a light decay detection module (310) and a power drive module (320) are installed on the lamp holder (10); the light decay detection module (310) is connected to the photosensitive probe (230); the power drive module (320) is connected to the lamp board (220); and a relay is integrated in the light decay detection module (310); the relay is connected to an external circuit and the power drive module (320).

2. A navigation signal light with light decay detection according to claim 1, characterized in that: The lampshade (110) is of an annular structure; the lower end surface of the lampshade (110) is in contact with the upper end surface of the lamp holder (10); the upper end surface of the lampshade (110) is covered with an upper cover (120); a heat sink (210) is arranged in the lamp cavity (111); and the lamp panel (220) is arranged on the heat sink (210).

3. A navigation signal light with light decay detection according to claim 2, characterized in that: The light board (220) is provided with three pieces, namely a first light board (240), a second light board (250) and a third light board (260); the first light board (240), the second light board (250) and the third light board (260) are respectively arranged on the peripheral side of the heat sink (210); The LED lamp core (221) of the first lamp panel (240) and the LED lamp core (221) of the second lamp panel (250) are spaced 112.5° apart; The LED lamp core (221) of the second lamp board (250) and the LED lamp core (221) of the third lamp board (260) are spaced 112.5° apart; The LED lamp core (221) of the third lamp board (260) is 135° away from the LED lamp core (221) of the first lamp board (240).

4. A navigation signal light with light decay detection according to claim 1, characterized in that: The light decay detection module (310) is a photosensitive switch.

5. The navigation signal light with light decay detection according to claim 2, characterized in that: The lower end of the heat sink (210) is fixedly connected to the lamp holder (10), a connecting seat (160) is fixedly connected to the upper end surface of the heat sink (210), a mounting hole (121) is provided on the upper cover (120) at a position corresponding to the connecting seat (160), and a connecting bolt (130) is passed through the mounting hole (121) and is threadedly connected to the connecting seat (160).

6. A navigation signal light with light decay detection according to claim 2, characterized in that: The upper and lower end surfaces of the lampshade (110) are both provided with sealing rings (60).

7. The navigation signal light with light decay detection according to claim 2, characterized in that: The lamp holder (10) is hollow inside and has an opening at the lower end; the light decay detection module (310) and the power drive module (320) are arranged inside the lamp holder (10); a cover plate (100) is arranged at the opening of the lamp holder (10); a cable waterproof connector (40) is installed on the cover plate (100); and a connecting port (101) is arranged on the lamp holder (10) and is in communication with the lamp cavity (111).

8. The navigation signal light with light decay detection according to claim 7, characterized in that: The heat sink (210) is hollow inside and is in communication with the communication port (101).

9. The navigation signal light with light decay detection according to claim 1, characterized in that: A light shield (140) is rotatably arranged on the lamp holder (10) outside the lampshade (110), and the light shield (140) is an arc-shaped plate structure.

Images