An explosion-proof LED floodlight

Abstract

The present invention discloses an explosion-proof LED floodlight, which relates to the field of explosion-proof lights. The technical solution of the present invention includes a lamp holder, a power supply box and a lamp board; the lamp holder includes a connection cavity in the front section and a wire harness cylinder in the rear section. A quick-connect plug is provided in the connection cavity, and a wire harness connected to the quick-connect plug is provided in the wire harness cylinder; a storage battery is built in the power supply box; the back surface of the lamp board is fixedly attached to the front surface of the power supply box, and a lamp groove is provided on the front surface of the lamp board, and a light source circuit board is provided in the lamp groove. The lamp holder for wiring, the power supply box for placing the power supply, and the lamp board for fixing the light source circuit board can be respectively arranged in different cavities, so as to realize the separate heat dissipation of the three, avoid the heat accumulation of the three, disperse the heat, and effectively improve its heat dissipation effect, and significantly improve the safety and service life of the explosion-proof lamp.

Description

Technical Field

[0001] The present invention relates to the field of explosion-proof lamps, and particularly to an explosion-proof LED floodlight. Background Art

[0002] With the development of economy and the progress of society, energy conservation has become an inevitability and social consensus. All kinds of electrical appliances are increasingly developing towards the characteristics of energy saving, convenient use, space saving, safe and efficient, and multi-functional in one machine. The explosion-proof LED lamps, as an important member of industrial lighting appliances, are no exception.

[0003] The explosion-proof LED lamp is composed of a housing, lamp beads, a power supply, etc. In the conventional housing type, the light source cavity and the power supply cavity share one housing, which can save one set of housing, but it will cause the heat dissipated by the aluminum substrate and the heat dissipated by the power supply to be superimposed, affecting the overall performance of the lamp. The conventional wiring method uses a wiring terminal to connect wires, which is inconvenient for installation and maintenance. Summary of the Invention

[0004] To solve the above technical problems, the present invention provides an explosion-proof LED floodlight, which can separately arrange the lamp socket for wiring, the power supply box for placing the power supply, and the lamp board for fixing the light source circuit board in different cavities, realize the separate heat dissipation of the three, avoid the superposition of the heat of the three, disperse the heat, and effectively improve its heat dissipation effect, significantly improving the safety and service life of the explosion-proof lamp.

[0005] The technical solution adopted by the present invention to solve its technical problems is: an explosion-proof LED floodlight, comprising a lamp socket, a power supply box and a lamp board;

[0006] The lamp socket includes a connection cavity at the front section and a wire harness tube at the rear section. The front end of the connection cavity is open, the front end of the connection cavity is snap-connected to the back of the power supply box, a quick-connect plug is arranged in the connection cavity, and a wire harness connected to the quick-connect plug is arranged in the wire harness tube;

[0007] The power supply box is internally provided with a storage battery. The back of the power supply box is provided with a wiring hole and a quick-connect socket. A wire is arranged in the wiring hole, and both ends of the wire are respectively connected to the storage battery and the quick-connect socket. The quick-connect socket and the quick-connect plug are correspondingly adapted. A wire tube is arranged on the front of the power supply box, and the wire tube is communicated with the inside of the power supply box;

[0008] The back of the lamp board is fixed to the front of the power supply box. A heat dissipation plate is arranged between the lamp board and the power supply box. The heat dissipation plate is fixed to the back of the lamp board. A lamp slot is arranged on the front of the lamp board. A light source circuit board is arranged in the lamp slot. The slot opening of the lamp slot is covered with a transparent plate. The lamp board is provided with a through hole adapted to the wire tube.

[0009] By providing a quick-connect socket and a quick-connect plug, the power box and the lamp holder can be quickly connected to the power supply. By providing a wire tube, the light source circuit board can be positioned on the one hand, and a path can be provided for the wiring harness of the light source circuit board on the other hand.

[0010] By setting up a heat sink, the light board and the power box can be spaced apart to avoid heat accumulation and to dissipate heat quickly.

[0011] This solution achieves separate heat dissipation of the three by arranging the lamp holder for wiring, the power box for placing the power supply, and the lamp board for fixing the light source circuit board in different cavities, avoiding the superposition of heat from the three and effectively improving the heat dissipation effect.

[0012] Preferably, the battery is fixed on one side of the power box, and heat dissipation fins are provided on the other side of the power box. The heat dissipation fins can quickly dissipate heat from the power box and quickly transfer heat generated by the power supply.

[0013] Preferably, the rear end of the harness barrel is provided with a fastening device, which includes a connecting tube, an inner tube, an expansion tube, a pressure ring, and a threaded sleeve. The front end thread of the connecting tube fits inside the harness barrel, the inner tube is sleeved inside the connecting tube, a push platform is provided on the periphery of the expansion tube, the front end of the expansion tube is sleeved inside the rear end of the inner tube, the rear end outer wall of the expansion tube is set as a conical surface, the pressure ring is coated on the conical surface, an end platform is provided on the front end inner wall of the threaded sleeve, the front end thread of the threaded sleeve fits inside the rear end of the connecting tube, and the end platform abuts against the pressure ring. The expansion tube can be pushed inward by the threaded sleeve and the pressure ring, and the expansion tube contracts inward under the pressure of the inner tube, thereby locking the harness, and the fixing process is very fast.

[0014] Preferably, a spring sheet is provided in the connection cavity, one end of which is fixed by a bolt. The middle portion of the spring sheet is raised, and the quick-connect plug is fixed to the raised portion of the spring sheet, with the other end of the spring sheet facing away from the connection cavity. The provision of the spring sheet can keep the quick-connect plug pressed against one side of the quick-connect socket to prevent loosening during use.

[0015] Preferably, the end of the wire tube is connected to the light source circuit board, thereby improving the fixing stability of the light source circuit board.

[0016] Preferably, a connecting frame is provided around the periphery of the transparent plate, the connecting frame having flaps extending into the light trough, the ends of the flaps being provided with hooks extending outward, and the side walls of the light trough being provided with side grooves corresponding to the hooks. The provision of the connecting frame can enhance the peripheral strength of the transparent plate, and the use of hooks to secure the connecting frame can achieve faster and more rapid fixation.

[0017] Preferably, a U-shaped bracket is further included, and two ends of the U-shaped bracket are respectively hinged to the outer wall of the lamp board. The U-shaped bracket can fix the lamp body more firmly and facilitate setting its angle.

[0018] Preferably, an angle adjusting member is provided at the end of the U-shaped bracket. The angle adjusting member includes a contact plate, a pressing block and a bolt. The end of the U-shaped bracket is located between the contact plate and the pressing block. A friction surface is provided on the front surface of the contact plate, and a fixing groove for placing the end of the U-shaped bracket is provided on the back surface of the contact plate. The contact plate, the pressing block and the U-shaped bracket are provided with corresponding rotation holes. The bolt sequentially passes through the rotation holes of the pressing block, the U-shaped bracket and the contact plate, and the front end of the bolt is locked to the side wall of the lamp board. The bracket and the lamp board can be more firmly connected by the bolt. At the same time, by using the contact plate provided with a friction surface, the relative angle of the lamp board can be prevented from changing.

[0019] Preferably, an angle scale is provided on the side wall of the pressing block. So as to quickly determine whether the angle has changed and quickly correct the angle later.

[0020] Advantages of the present invention:

[0021] By separately arranging the lamp socket for wiring, the power supply box for placing the power supply and the lamp board for fixing the light source circuit board in different cavities, separate heat dissipation for the three is realized, the superposition of the heat of the three is avoided, and the heat is dispersed, which can effectively improve its heat dissipation effect and significantly improve the safety and service life of the explosion-proof lamp. Description of the drawings

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only four of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to these drawings.

[0023] Figure 1 It is the internal schematic diagram of the embodiment of the present invention;

[0024] Figure 2 It is the schematic diagram of the lamp board of the embodiment of the present invention;

[0025] Figure 3 It is the fastening device of the embodiment of the present invention;

[0026] Figure 4 It is the external schematic diagram of the embodiment of the present invention;

[0027] Among them, there are a lamp board 1, a power supply box 2, a connection cavity 3, a wire harness tube 4, a U-shaped bracket 5, a heat dissipation plate 6, a lamp slot 7, a connection frame 8, a transparent plate 9, a light source circuit board 10, a storage battery 11, heat dissipation fins 12, a spring piece 13, a quick-connect plug 14, a quick-connect socket 15, a wire tube 16, a pressing block 17, a contact plate 18, a clamping flap 19, a connecting pipe 20, an inner connecting pipe 21, an expansion pipe 22, a pressing ring 23, and a threaded sleeve 24. Detailed implementation mode

[0028] To deepen the understanding of the present invention, the following will further describe the present invention in detail with reference to the accompanying drawings and embodiments. The embodiments are only used to explain the present invention and do not limit the protection scope of the present invention.

[0029] Embodiment

[0030] As Figure 1 and Figure 4 shown, an explosion-proof LED floodlight includes a lamp base, a power supply box 2, and a lamp board 1.

[0031] The lamp base includes a connection cavity 3 at the front section and a wire harness tube 4 at the rear section. The front end of the connection cavity 3 is open, the front end of the connection cavity 3 is buckled and connected to the back of the power supply box 2, a quick-connect plug 14 is provided inside the connection cavity 3, and a wire harness connected to the quick-connect plug 14 is provided inside the wire harness tube 4;

[0032] Combined with Figure 3 shown, the power supply box 2 is internally provided with a storage battery 11. The back of the power supply box 2 is provided with a wiring hole and a quick-connect socket 15. A wire is provided inside the wiring hole, and both ends of the wire are respectively connected to the storage battery 11 and the quick-connect socket 15. The quick-connect socket 15 and the quick-connect plug 14 are correspondingly adapted. A wire tube 16 is provided on the front of the power supply box 2, and the wire tube 16 is communicated with the inside of the power supply box 2;

[0033] Combined with Figure 2 shown, the back of the lamp board 1 is fixed to the front of the power supply box 2. A heat dissipation plate 6 is provided between the lamp board 1 and the power supply box 2. The heat dissipation plate 6 is fixed to the back of the lamp board 1. A lamp slot 7 is provided on the front of the lamp board 1. A light source circuit board 10 is provided inside the lamp slot 7. The slot opening of the lamp slot 7 is covered with a transparent plate 9. The lamp board 1 is provided with a through hole adapted to the wire tube 16.

[0034] By providing the quick-connect socket 15 and the quick-connect plug 14, the power supply box 2 and the lamp base can be quickly connected to the power supply. By providing the wire tube 16, on the one hand, the light source circuit board 10 can be positioned, and on the other hand, a path can be provided for the wire harness of the light source circuit board 10.

[0035] By setting the heat dissipation plate 6, a gap can be set between the lamp board 1 and the power supply box 2, avoiding heat accumulation and enabling rapid heat dissipation at the same time.

[0036] In this solution, the lamp socket for wiring, the power supply box 2 for placing the power supply, and the lamp board 1 for fixing the light source circuit board 10 are respectively arranged in different cavities, realizing separate heat dissipation for the three, avoiding heat accumulation among the three, and effectively improving its heat dissipation effect.

[0037] The storage battery 11 is fixed to one side inside the power supply box 2, and heat dissipation fins 12 are arranged on the other side inside the power supply box 2. Through the heat dissipation fins 12, the power supply box 2 can be quickly dissipated heat, and the heat generated by the power supply can be quickly transferred.

[0038] A fastening device is provided at the rear end of the wire harness tube 4. The fastening device includes a connecting pipe 20, an inner connecting pipe 21, an expansion pipe 22, a pressing ring 23, and a threaded sleeve 24. The front end of the connecting pipe 20 is in threaded fit with the inside of the wire harness tube 4. The inner connecting pipe 21 is sleeved inside the connecting pipe 20. A push table is provided on the periphery of the expansion pipe 22. The front end of the expansion pipe 22 is sleeved inside the rear end of the inner connecting pipe 21. The outer wall of the rear end of the expansion pipe 22 is set as a conical surface. The pressing ring 23 is sleeved outside the conical surface. A end table is provided on the inner wall of the front end of the threaded sleeve 24. The front end of the threaded sleeve 24 is in threaded fit with the rear end of the connecting pipe 20, and the end table abuts against the pressing ring 23. Through the threaded sleeve 24 and the pressing ring 23, the expansion pipe 22 can be pushed inward. The expansion pipe 22 contracts inward under the extrusion of the inner connecting pipe 21, thereby locking the wire harness, and the fixing process is very fast.

[0039] A spring piece 13 is arranged inside the connecting cavity 3. One end of the spring piece 13 is fixed by a bolt. The middle part of the spring piece 13 bulges. The quick-connect plug 14 is fixed to the bulging part of the spring piece 13. The other end of the spring piece 13 abuts against the inside of the connecting cavity 3 in the opposite direction. By setting the spring piece 13, the quick-connect plug 14 can be kept pressed and connected to the side of the quick-connect socket 15, avoiding looseness during use.

[0040] The end of the wire pipe 16 is connected to the light source circuit board 10. The fixing stability of the light source circuit board 10 is improved.

[0041] A connecting frame 8 is arranged on the periphery of the transparent plate 9. The connecting frame 8 extends into the lamp groove 7 with clamping petals 19. The end of the clamping petal 19 is provided with a clamping hook outward. A side groove is provided on the side wall of the lamp groove 7 corresponding to the clamping hook. By setting the connecting frame 8, the peripheral strength of the transparent plate 9 can be improved. At the same time, by using the clamping hook method to fix the connecting frame 8, faster and quicker fixing can be achieved.

[0042] It further includes a U-shaped bracket, and both ends of the U-shaped bracket are respectively hinged to the outer wall of the lamp panel 1. The U-shaped bracket can fix the lamp body more firmly and facilitate setting its angle.

[0043] An angle adjusting member is provided at the end of the U-shaped bracket. The angle adjusting member includes a contact plate 18, a pressing block 17 and a bolt. The end of the U-shaped bracket is located between the contact plate 18 and the pressing block 17. A friction surface is provided on the front surface of the contact plate 18, and a fixing groove for placing the end of the U-shaped bracket is provided on the back surface of the contact plate 18. The contact plate 18, the pressing block 17 and the U-shaped bracket are provided with corresponding rotating holes. The bolt sequentially passes through the rotating holes of the pressing block 17, the U-shaped bracket and the contact plate 18, and the front end of the bolt is locked to the side wall of the lamp panel 1. The bracket can be more firmly connected to the lamp panel 1 through the bolt. At the same time, by using the contact plate 18 provided with a friction surface, the relative angle of the lamp panel 1 can be prevented from changing.

[0044] An angle scale is provided on the side wall of the pressing block 17. So as to quickly determine whether the angle has changed and quickly correct the angle later.

[0045] By respectively arranging the lamp socket for wiring, the power supply box 2 for placing the power supply and the lamp panel 1 for fixing the light source circuit board 10 in different cavities, separate heat dissipation for the three is realized, avoiding the superposition of the heat of the three, dispersing the heat, and effectively improving its heat dissipation effect, significantly improving the safety and service life of the explosion-proof lamp.

[0046] The above embodiments should not limit the present invention in any way. All technical solutions obtained by using equivalent replacements or equivalent conversions fall within the protection scope of the present invention.

Claims

1. An explosion-proof LED floodlight, characterized in that, It includes a lamp holder, a power supply box (2) and a lamp board (1); The lamp holder includes a connection cavity (3) at the front section and a wire harness tube (4) at the rear section. The front end of the connection cavity (3) is open, and the front end of the connection cavity (3) is snap-connected to the back of the power supply box (2). A quick-connect plug (14) is provided in the connection cavity (3), and a wire harness connected to the quick-connect plug (14) is provided in the wire harness tube (4); The power supply box (2) is internally provided with a storage battery (11). A wiring hole and a quick-connect socket (15) are provided on the back of the power supply box (2). A wire is provided in the wiring hole, and the two ends of the wire are respectively connected to the storage battery (11) and the quick-connect socket (15). The quick-connect socket (15) and the quick-connect plug (14) are correspondingly adapted. A wire tube (16) is provided on the front of the power supply box (2), and the wire tube (16) is communicated with the inside of the power supply box (2); The back of the lamp board (1) is fixed to the front of the power supply box (2). A heat dissipation plate (6) is provided between the lamp board (1) and the power supply box (2). The heat dissipation plate (6) is fixed to the back of the lamp board (1). A lamp slot (7) is provided on the front of the lamp board (1). A light source circuit board (10) is provided in the lamp slot (7). The slot opening of the lamp slot (7) is covered with a transparent plate (9). The lamp board (1) is provided with a through hole adapted to the wire tube (16); The storage battery (11) is fixed to one side inside the power supply box (2), and heat dissipation fins (12) are provided on the other side inside the power supply box (2); It further includes a U-shaped bracket (5). An angle adjusting member is provided at the end of the U-shaped bracket (5). The angle adjusting member includes a contact plate (18), a pressing block (17) and a bolt. The end of the U-shaped bracket (5) is located between the contact plate (18) and the pressing block (17). The front of the contact plate (18) is provided with a friction surface. The back of the contact plate (18) is provided with a fixing groove for placing the end of the U-shaped bracket (5). The contact plate (18), the pressing block (17) and the U-shaped bracket (5) are provided with corresponding rotation holes. The bolt sequentially passes through the rotation holes of the pressing block (17), the U-shaped bracket (5) and the contact plate (18), and the front end of the bolt is locked to the side wall of the lamp board (1); A fastening device is provided at the rear end of the wire harness tube (4). The fastening device includes a connecting pipe (20), an inner connecting pipe (21), an expansion pipe (22), a pressing ring (23) and a threaded sleeve (24). The front end of the connecting pipe (20) is in threaded fit with the inside of the wire harness tube (4). The inner connecting pipe (21) is sleeved inside the connecting pipe (20). A pushing platform is provided on the periphery of the expansion pipe (22). The front end of the expansion pipe (22) is sleeved inside the rear end of the inner connecting pipe (21). The outer wall of the rear end of the expansion pipe (22) is set as a conical surface. The conical surface is sleeved with the pressing ring (23). A terminal platform is provided on the inner wall of the front end of the threaded sleeve (24). The front end of the threaded sleeve (24) is in threaded fit with the rear end of the connecting pipe (20), and the terminal platform abuts against the pressing ring (23).

2. The explosion-proof LED floodlight according to claim 1, wherein: A spring piece (13) is arranged in the connection cavity (3). One end of the spring piece (13) is fixed by a bolt. The middle part of the spring piece (13) bulges. The quick-connect plug (14) is fixed at the bulging part of the spring piece (13). The other end of the spring piece (13) abuts against the inside of the connection cavity (3) in the opposite direction.

3. An explosion-proof LED floodlight according to claim 1, characterized in that: The end of the wire tube (16) is connected to the light source circuit board (10).

4. An explosion-proof LED floodlight according to claim 1, characterized in that: A connection frame (8) is arranged around the transparent plate (9). The connection frame (8) extends into the lamp slot (7) with a clamping flap (19). The end of the clamping flap (19) is provided with a clamping hook facing outward. A side slot is arranged on the side wall of the lamp slot (7) corresponding to the clamping hook.

5. An explosion-proof LED floodlight according to claim 1, characterized in that: Both ends of the U-shaped bracket (5) are respectively hinged to the outer wall of the lamp panel (1).

6. An explosion-proof LED floodlight according to claim 1, characterized in that: The side wall of the pressing block (17) is provided with an angle scale.

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