CN220338323U - LED explosion-proof pavement lamp - Google Patents

Abstract

The utility model provides an LED explosion-proof pavement lamp, which comprises a lamp shell and an LED lighting assembly arranged in the lamp shell, wherein a hollow connecting seat is arranged on one side of the lamp shell, a mounting hole is formed in the connecting seat and is communicated with an inner cavity of the connecting seat, and a first internal thread is formed in the inner wall of the mounting hole; the LED explosion-proof pavement lamp further comprises an external connection cable and a hollow connector, wherein a connecting hole is formed in the connector, external threads are formed in the outer side wall of the connector, the outer side wall of the connector is connected with the inner wall of the mounting hole through threads, and second internal threads are formed in the inner wall of the connecting hole; one end of the external connection cable is electrically connected with the LED lighting assembly, and the other end of the external connection cable extends out of the connecting seat through the mounting hole. The LED explosion-proof pavement lamp provided by the utility model can be matched with the connection and installation of explosion-proof pipes of different types, so that the application range of the LED explosion-proof pavement lamp is improved, the installation difficulty of the LED explosion-proof pavement lamp is reduced, and the installation efficiency is improved.

Description

LED explosion-proof pavement lamp

Technical Field

The utility model relates to the technical field of LED lamps, in particular to an LED explosion-proof pavement lamp.

Background

Along with the continuous breakthrough of LED (Light Emitting Diode) technology, the LED illuminating lamp is widely applied to various different scenes such as industrial plants, ports and wharfs, production workshops, super suppliers, sports casinos, warehouses and the like. The LED explosion-proof pavement lamp has good explosion-proof and corrosion-proof performances, and is widely applied to dangerous working environments such as petroleum exploitation, oil refining, chemical industry, military industry, electric power, metallurgy and the like.

The LED explosion-proof pavement lamp is generally applied to outdoor environment, so that an explosion-proof pipe (namely, an external connection cable is positioned in the explosion-proof pipe) is required to be arranged outside an external connection cable (the external connection cable is used for electrically connecting the LED explosion-proof pavement lamp and a power supply) on the LED explosion-proof pavement lamp. The explosion-proof hose is a fire-resistant, corrosion-resistant, water-resistant, ageing-resistant tube, which is a tube with the characteristics of flame resistance, corrosion resistance, water resistance, ageing resistance, etc., and is routed along with the outer wiring cable, so that the outer wiring cable can be protected, the service life of the outer wiring cable can be prolonged, and the electricity safety can be improved.

The end of the explosion-proof pipe is generally connected with the LED explosion-proof pavement lamp through threads, and the current LED explosion-proof pavement lamp is generally provided with only one type of interface (threaded hole), and in certain use scenes (such as certain old improvement projects), the LED explosion-proof pavement lamp cannot be matched with the explosion-proof pipes of different types due to the non-uniform interface types of the various explosion-proof pipes, so that the application range of the LED explosion-proof pavement lamp is limited, the installation difficulty of the LED explosion-proof pavement lamp is increased, and the installation efficiency is reduced.

Disclosure of Invention

The LED explosion-proof pavement lamp provided by the utility model can be matched with the connection and installation of explosion-proof pipes of different types, so that the application range of the LED explosion-proof pavement lamp is improved, the installation difficulty of the LED explosion-proof pavement lamp is reduced, and the installation efficiency is improved.

The utility model provides an LED explosion-proof pavement lamp, which comprises a lamp shell and an LED lighting assembly arranged in the lamp shell, wherein one side of the lamp shell is provided with a hollow connecting seat, the connecting seat is fixedly connected with the lamp shell, the connecting seat is provided with a mounting hole, the mounting hole is communicated with an inner cavity of the connecting seat, and the inner wall of the mounting hole is provided with a first internal thread; the LED explosion-proof pavement lamp further comprises an external connection cable and a hollow connector, wherein a connecting hole is formed in the connector, and the connecting hole is formed in the axial direction of the connector and penetrates through the connector; the outer side wall of the connector is provided with an external thread, the outer side wall of the connector is connected with the inner wall of the mounting hole through threads, and the inner wall of the connecting hole is provided with a second internal thread; one end of the external cable is electrically connected with the LED lighting assembly, and the other end of the external cable extends out of the connecting seat through the mounting hole; when the connector is arranged on the connecting seat, the connecting hole on the connector can be connected with and provided with a first type of explosion-proof pipe; when the connector is detached from the connecting seat, the second type explosion-proof pipe can be connected and installed through the installation holes in the connecting seat.

Further, the connecting seat comprises a main body part and a protruding part which are connected with each other, the main body part is fixedly connected with the lamp housing, and the protruding part is positioned at one side of the main body part far away from the lamp housing; the mounting hole is arranged on the protruding portion, penetrates through the protruding portion and is communicated with the inner cavity of the main body portion.

Further, a sealing element is arranged in the mounting hole and is positioned at one side of the joint close to the lamp housing; the sealing piece seals the mounting hole, and the external cable passes through the sealing piece.

Further, the LED lighting assembly comprises a power supply assembly and an LED lamp assembly, wherein the power supply assembly is positioned above the LED lamp assembly, the external cable is electrically connected with the power supply assembly, and the power supply assembly is electrically connected with the LED lamp assembly; the LED lamp is characterized in that a light-passing hole is formed in the lamp housing and corresponds to the LED lamp assembly, transparent toughened glass is arranged at the light-passing hole, the transparent toughened glass is connected with the lamp housing, and the transparent toughened glass covers the light-passing hole.

Further, the LED lamp assembly comprises a circuit board, and an LED lamp bead and a lamp cup which are arranged on the circuit board, wherein the circuit board is fixedly connected with the lamp housing, and the lamp cup covers the LED lamp bead; the lamp cup is provided with a light inlet, a light outlet and a light passing cavity communicated with the light inlet and the light outlet, and the cavity wall of the light passing cavity is provided with a reflecting layer; the diameter of the light outlet is larger than that of the light inlet, the light passing cavity is of a truncated cone-shaped structure with gradually widened diameter from one side close to the light inlet to one side close to the light outlet along the axial direction of the lamp cup, and the central axis of the light passing cavity passes through the center of the light inlet and the center of the light outlet; the lamp cup is fixed on the circuit board at one end close to the light inlet, and the LED lamp beads are arranged at the light inlet.

Further, the included angle between the bus of the light passing cavity and the central axis is 10-55 degrees, and the height of the light passing cavity is 7.5-14.5 mm.

Further, the diameter of the light outlet is 16.5 mm-19.5 mm, and the diameter of the light inlet is 4.5 mm-6.5 mm.

Further, the lamp housing comprises a main housing and end plates arranged at two opposite ends of the main housing, the end plates are fixedly connected with the main housing, and the connecting seat is fixedly connected with the end plates; a partition board is arranged in the main shell, the partition board divides the inner cavity of the main shell into an upper cavity and a lower cavity, the power supply assembly is arranged in the upper cavity, and the LED lamp assembly is arranged in the lower cavity; the lower surface of baffle is equipped with the mounting groove, LED lamp subassembly card establish install in the mounting groove.

Further, the LED explosion-proof pavement lamp further comprises a mounting piece, the mounting piece comprises a first mounting plate and a second mounting plate, the second mounting plate is fixedly connected with the lamp housing, and the first mounting plate is hinged with the second mounting plate.

Further, the first mounting panel is including first diaphragm and the first riser of buckling connection, the second mounting panel is including second diaphragm and the second riser of buckling connection, the second diaphragm with lamp body fixed connection, first riser with the second riser passes through the bolt hinge, be equipped with the bolt hole on the first diaphragm.

According to the LED explosion-proof pavement lamp provided by the utility model, the connecting seat is arranged on one side of the lamp housing, the connector is additionally arranged, the inner wall of the mounting hole on the connecting seat is provided with the first internal thread, and the inner wall of the connecting hole on the connector is provided with the second internal thread; when the connector is arranged on the connecting seat, the connecting hole on the connector can be connected with and provided with the first explosion-proof pipe; when the connector is detached from the connecting seat, the second type of explosion-proof pipe can be connected and installed through the installation holes in the connecting seat, so that connection and installation of different explosion-proof pipes are realized, different connectors can be replaced according to actual needs, and more explosion-proof pipes of different types are matched. Meanwhile, the connecting seat is used for connecting the connector and wiring of an external cable, so that the installation is convenient, the tightness of the position of the outgoing line can be ensured, and the electricity safety is improved.

Drawings

Fig. 1 is a schematic perspective view of an LED explosion-proof pavement lamp according to an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of fig. 1.

Fig. 3 is a schematic diagram of the explosive structure of fig. 1.

Fig. 4 is a schematic perspective view of a lamp cup according to an embodiment of the utility model.

Fig. 5 is a bottom view of fig. 4.

Fig. 6 is a schematic cross-sectional view of fig. 4.

Fig. 7 is a schematic perspective view of a main housing according to an embodiment of the utility model.

Fig. 8 is a schematic perspective view of a mounting member according to an embodiment of the present utility model.

Fig. 9a is a schematic structural diagram of an LED explosion-proof pavement lamp according to an embodiment of the present utility model when the first type explosion-proof pipe is installed in a connection manner.

Fig. 9b is a schematic structural diagram of an LED explosion-proof pavement lamp according to an embodiment of the present utility model when the second type explosion-proof pipe is installed in a connection manner.

Fig. 10a is a schematic structural diagram of an LED explosion-proof pavement lamp according to an embodiment of the present utility model in a ceiling-mounted manner.

Fig. 10b is a schematic structural diagram of an LED explosion-proof pavement lamp according to an embodiment of the present utility model in a wall-mounted manner.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

The terms "first," "second," "third," "fourth" and the like in the description and in the claims, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms upper, lower, left, right, front, rear, top, bottom and the like (if any) in the description and in the claims are used for descriptive purposes and not necessarily for describing relative positions of structures in the figures and in describing relative positions of structures. It should be understood that the use of directional terms should not be construed to limit the scope of the application as claimed.

As shown in fig. 1 to 3, the LED explosion-proof walk lamp provided by the embodiment of the utility model comprises a lamp housing 1 and an LED lighting assembly arranged in the lamp housing 1, wherein a hollow connecting seat 2 is arranged on one side of the lamp housing 1, and the connecting seat 2 is fixedly connected with the lamp housing 1. The connecting seat 2 is provided with a mounting hole 220, the mounting hole 220 is communicated with the inner cavity of the connecting seat 2, and the inner wall of the mounting hole 220 is provided with a first internal thread (not shown). The LED explosion-proof walk lamp further comprises an outer wiring cable 3 and a hollow connector 4, a connecting hole 41 is formed in the connector 4, and the connecting hole 41 is formed in the axial direction of the connector 4 and penetrates through the connector 4. The outer side wall of the joint 4 is provided with an external thread 42, and the outer side wall of the joint 4 is in threaded connection with the inner wall of the mounting hole 220 (i.e. the external thread 42 on the outer side wall of the joint 4 is in threaded connection with the first internal thread on the inner wall of the mounting hole 220), and the inner wall of the connecting hole 41 is provided with a second internal thread (not shown). One end of the external connection cable 3 is electrically connected with the LED lighting assembly, the other end of the external connection cable 3 extends out of the connecting seat 2 through a mounting hole 220 on the connecting seat 2, and the external connection cable 3 is used for electrically connecting the LED lighting assembly with an external power supply (not shown), so that power is supplied to the LED explosion-proof pavement lamp.

As shown in fig. 9a and combined with fig. 1 to 3, when the connector 4 is mounted on the connection base 2, the connection hole 41 on the connector 4 can be connected to and mounted on the first type explosion-proof pipe 91, and at this time, the external connection cable 3 extends from the inside of the connection base 2 into the connector 4 and then extends into the first type explosion-proof pipe 91 for wiring. As shown in fig. 9b and combined with fig. 1 to 3, when the connector 4 is detached from the connector holder 2 (i.e. when the connector 4 is not mounted on the connector holder 2), the mounting hole 220 on the connector holder 2 can be connected to mount the second type explosion-proof pipe 92, and the external connection cable 3 extends from the inside of the connector holder 2 into the second type explosion-proof pipe 92 for routing (specifically, the ends of the explosion-proof pipes are generally provided with butt joints, and the butt joints on the explosion-proof pipes are connected with the connector 4 or the connector holder 2 through threads; generally, the size of the butt joints on the first type explosion-proof pipe 91 is smaller than the size of the butt joints on the second type explosion-proof pipe 92).

Specifically, in the LED explosion-proof walk lamp provided in this embodiment, the connecting seat 2 is disposed on one side of the lamp housing 1, the joint 4 is additionally disposed, a first internal thread is disposed on an inner wall of the mounting hole 220 on the connecting seat 2, and a second internal thread is disposed on an inner wall of the connecting hole 41 on the joint 4; when the connector 4 is mounted on the connecting seat 2, the connecting hole 41 on the connector 4 can be connected with and mounted on the first-type explosion-proof pipe 91; when the connector 4 is detached from the connecting seat 2, the second type of explosion-proof pipe 92 can be connected and installed through the installation holes 220 in the connecting seat 2, so that connection and installation of different explosion-proof pipes are realized, and different connectors 4 can be replaced according to actual needs, so that more explosion-proof pipes of different types are matched. Meanwhile, the connecting seat 2 is used for connecting the connector 4 and wiring the outer wiring cable 3, so that the installation is convenient, the tightness of the position of the outgoing line can be ensured, and the electricity safety is improved.

Further, as shown in fig. 1 to 3, in the present embodiment, the connection base 2 includes a main body portion 21 and a protruding portion 22 that are connected to each other, the main body portion 21 is fixedly connected to the lamp housing 1 (specifically, the main body portion 21 is fixedly connected to the lamp housing 1 by a bolt), and the protruding portion 22 is located on a side of the main body portion 21 away from the lamp housing 1. The mounting hole 220 is provided on the protruding portion 22, and the mounting hole 220 penetrates the protruding portion 22 and communicates with the inner cavity of the main body portion 21.

Further, as shown in fig. 2 and 3, in the present embodiment, a sealing member 5 is disposed in the mounting hole 220, and the sealing member 5 is located at a side of the joint 4 close to the lamp envelope 1. The sealing member 5 seals the mounting hole 220, and the external connection cable 3 passes through the sealing member 5.

Specifically, the sealing member 5 plays a sealing role for sealing the mounting hole 220, and simultaneously, the external connection cable 3 passes through the sealing member 5, so that the external connection cable 3 is in sealing connection with the sealing member 5, and external water vapor sundries are prevented from entering the connecting seat 2 through the mounting hole 220. In this embodiment, the sealing element 5 is a cylindrical sealing plug.

Further, as shown in fig. 2 and 3, in the present embodiment, an isolation cover 31 is disposed in the connection base 2, and an isolation connector (not shown) is disposed in the isolation cover 31, and the isolation connector is electrically connected to the external connection cable 3 and the LED lighting assembly, that is, the external connection cable 3 is electrically connected to the LED lighting assembly through the isolation connector.

Further, as shown in fig. 1 to 3 and 7, in the present embodiment, the LED lighting assembly includes a power supply assembly 6 and an LED lamp assembly 7, the power supply assembly 6 is located above the LED lamp assembly 7, the external connection cable 3 is electrically connected to the power supply assembly 6, and the power supply assembly 6 is electrically connected to the LED lamp assembly 7. The power supply assembly 6 is provided with an LED driver, a controller and other devices for supplying power to the LED lamp assembly 7 and controlling the operation of the LED lamp assembly; the LED lamp assembly 7 is used for luminescent illumination. The lamp housing 1 is provided with a light through hole 14 at a position corresponding to the LED lamp assembly 7, transparent toughened glass 15 is arranged at the light through hole 14, the transparent toughened glass 15 is connected with the lamp housing 1, and the transparent toughened glass 15 covers the light through hole 14.

Specifically, the transparent tempered glass 15 can hermetically cover the light passing hole 14, thereby preventing external moisture, dust, and the like from entering the lamp housing 1. Meanwhile, the transparent toughened glass 15 has good light transmittance, high strength, heat resistance and thermal fusion resistance, and can be applied to various severe working condition environments. In operation, light emitted from the LED lamp assembly 7 passes through the transparent tempered glass 15 and then exits from the light passing hole 14.

Further, as shown in fig. 2 to 6, in the present embodiment, the LED lamp assembly 7 includes a circuit board 71, and LED beads 72 (i.e. light emitting diodes) and a lamp cup 73 disposed on the circuit board 71, wherein the circuit board 71 is fixedly connected with the lamp housing 1, and the lamp cup 73 covers the LED beads 72. The lamp cup 73 is provided with a light inlet 731, a light outlet 732 and a light passing cavity 730 communicated with the light inlet 731 and the light outlet 732, wherein a reflecting layer 733 with uniform thickness is arranged on the cavity wall of the light passing cavity 730; the light reflecting layer 733 may be an aluminum light reflecting layer or a silver light reflecting layer, and the light reflecting layer 733 may be formed on the cavity wall of the light transmitting cavity 730 by electroplating. The light inlet 731 and the light outlet 732 are respectively located at two opposite ends of the lamp cup 73, the light inlet 731 and the light outlet 732 are both in a circular structure, the diameter of the light outlet 732 is larger than that of the light inlet 731, the light passing cavity 730 is in a truncated cone-shaped structure with gradually widened diameter from one side close to the light inlet 731 to one side close to the light outlet 732 along the axial direction of the lamp cup 73 (i.e. the light inlet 731 corresponds to the upper bottom surface of the truncated cone, the light outlet 732 corresponds to the lower bottom surface of the truncated cone, the cavity wall of the light passing cavity 730 corresponds to the side surface of the truncated cone), and the central axis of the light passing cavity 730 passes through the center of the light inlet 731 and the center of the light outlet 732 (i.e. the three parts of the light inlet 731, the light outlet 732 and the light passing cavity 730 are coaxially arranged), and the bus bar of the light passing cavity 730 is in a linear structure; the lamp cup 73 is fixed on the circuit board 71 at one end close to the light inlet 731, and the LED lamp beads 72 are arranged at the light inlet 731.

Specifically, when the LED lamp bead 72 is powered on during operation, a part of light emitted by the LED lamp bead 72 is directly emitted out of the lamp cup 73 through the light outlet 732, and another part of light is reflected by the light reflecting layer 733 and then emitted out of the lamp cup 73 through the light outlet 732, and finally the light emitted from the inside of the lamp cup 73 is LED out of the lamp housing 1, so that the purpose of illumination is achieved. Because the light passing cavity 730 of the lamp cup 73 is in a circular truncated cone structure, namely, the bus of the light passing cavity 730 is in a linear structure, light can be collected to the middle of the lamp cup 73 after being reflected by the reflecting layer 733 on the cavity wall of the light passing cavity 730, the reflection times are reduced, multiple reflections are not needed (if the inner wall of the lamp cup is in an arc-shaped or parabolic structure, part of light can be reflected on the inner wall of the lamp cup for multiple times, and the intensity of the light can be lost after each reflection, so that the light can be reduced in brightness after multiple reflections and spread around, and finally the brightness and the convergence degree of the light are influenced), the light gathering degree is improved, the astigmatism rate and the light loss are reduced, the brightness of an LED light source when a long-distance target is irradiated is remarkably improved, and the irradiation effect is optimized.

Specifically, in the LED explosion-proof walk lamp provided in this embodiment, the light-transmitting cavity 730 of the lamp cup 73 has a circular truncated cone structure, that is, the bus of the light-transmitting cavity 730 has a linear structure, which can effectively reduce the light scattering rate of the LED light source and improve the brightness, thereby remarkably improving the irradiation effect when irradiating a remote target, and being beneficial to saving the power consumption, compared with the existing lamp cup having a bowl-shaped inner cavity and a curved bus of the cavity wall.

Further, as shown in fig. 6, in the present embodiment, the included angle a between the bus bar of the light-passing cavity 730 and the central axis is 10 ° to 55 °, and the height H of the light-passing cavity 730 (i.e. the distance between the light inlet 731 and the light outlet 732) is 7.5mm to 14.5mm. By limiting the included angle a between the generatrix of the light passing cavity 730 and the central axis and the height H of the light passing cavity 730 to be within the above-described ranges, the astigmatism rate can be significantly reduced.

Further, in the present embodiment, the diameter of the light outlet 732 is 16.5mm to 19.5mm, and the diameter of the light inlet 731 is 4.5mm to 6.5mm. By limiting the diameter of the light outlet 732 and the diameter of the light inlet 731 to the above-described ranges, the astigmatism ratio can be further reduced.

Further, in the present embodiment, a sun print (not shown) is disposed on the surface of the light reflecting layer 733, and the sun print may be formed by etching the surface of the light reflecting layer 733 with a chemical agent (such as sulfuric acid, nitric acid, etc.). The sun print can be in a fish scale structure, the sun print can improve the reflection effect of the light reflecting layer 733, and reduce light loss, so that the light emitting rate of the LED light source is improved, and a better irradiation effect is obtained when a long-distance target is irradiated.

Further, as shown in fig. 1 to 3 and 7, in the present embodiment, the lamp housing 1 includes a main housing 11 and end plates 12 disposed at opposite ends of the main housing 11, the end plates 12 are fixedly connected to the main housing 11, the connection base 2 is fixedly connected to the end plates 12, and the light-transmitting hole 14 is disposed at a lower end of the main housing 11. A partition plate 13 is arranged in the main shell 11, the partition plate 13 divides the inner cavity of the main shell 11 into an upper cavity 11A and a lower cavity 11B, the upper cavity 11A is positioned above the lower cavity 11B, the power supply assembly 6 is arranged in the upper cavity 11A, and the LED lamp assembly 7 is arranged in the lower cavity 11B; the lower surface of the partition 13 is provided with a mounting groove 131, and the led lamp assembly 7 is mounted in the mounting groove 131 (specifically, the circuit board 71 is mounted in the mounting groove 131).

Specifically, through setting up baffle 13 in main casing 11 to set up mounting groove 131 at the lower surface of baffle 13, not only make things convenient for the installation of LED lamp subassembly 7, can separate through baffle 13 between LED lamp subassembly 7 and the power supply module 6 moreover, thereby guarantee the electrical installation clearance, and then guarantee the electrical safety.

Further, as shown in fig. 1 to 3 and 8, in the present embodiment, the LED explosion-proof walk lamp further includes a mounting member 8, the mounting member 8 includes a first mounting plate 81 and a second mounting plate 82, the second mounting plate 82 is fixedly connected with the lamp housing 1 (specifically, the second mounting plate 82 is fixedly connected with the end plate 12 through bolts), and the first mounting plate 81 is hinged with the second mounting plate 82.

Further, as shown in fig. 1 to 3 and 8, in the present embodiment, the first mounting plate 81 includes a first transverse plate 811 and a first vertical plate 812 which are connected in a bending manner, the second mounting plate 82 includes a second transverse plate 821 and a second vertical plate 822 which are connected in a bending manner, the second transverse plate 821 is fixedly connected with the lamp housing 1, the first vertical plate 812 and the second vertical plate 822 are hinged by a bolt 83, a bolt hole 811a is provided in the first transverse plate 811, and the bolt hole 811a is used for connection mounting between the first transverse plate 811 and an external device.

Specifically, in this embodiment, by setting the mounting member 8 to be a structure in which the first mounting plate 81 and the second mounting plate 82 are hinged, the rotation angle between the first mounting plate 81 and the second mounting plate 82 can be adjusted according to different mounting environments, and the movement and fixation of the first mounting plate 81 and the second mounting plate 82 can be achieved by screwing the bolt 83 (when the bolt 83 is unscrewed, the first mounting plate 81 and the second mounting plate 82 can be relatively rotated to adjust the rotation angle; when the bolt 83 is screwed, the first mounting plate 81 and the second mounting plate 82 are fixed to fix the rotation angle), so as to adjust the mounting direction and the mounting angle of the LED explosion-proof walk lamp, so as to meet different use requirements. For example, the LED explosion proof walk lamp can be mounted in a ceiling mounted manner (i.e., the LED explosion proof walk lamp is mounted on the ceiling wall) as shown in fig. 10a, and in a wall mounted manner (i.e., the LED explosion proof walk lamp is mounted on the side wall) as shown in fig. 10 b; of course, in other embodiments, the LED explosion-proof pavement lamp can also be installed in a guardrail type, flange type, hanging rod type, etc.

Further, as shown in fig. 1 to 3, in the present embodiment, the number of the mounting pieces 8 is two, and the two mounting pieces 8 are respectively connected to opposite ends of the lamp housing 1 (specifically, the two mounting pieces 8 are respectively connected to the end plates 12 on both sides).

According to the LED explosion-proof walk lamp provided by the embodiment of the utility model, the connecting seat 2 is arranged on one side of the lamp housing 1, the joint 4 is additionally arranged, the inner wall of the mounting hole 220 on the connecting seat 2 is provided with the first internal thread, and the inner wall of the connecting hole 41 on the joint 4 is provided with the second internal thread; when the connector 4 is mounted on the connecting seat 2, the connecting hole 41 on the connector 4 can be connected with and mounted on the first-type explosion-proof pipe 91; when the connector 4 is detached from the connecting seat 2, the second type of explosion-proof pipe 92 can be connected and installed through the installation holes 220 in the connecting seat 2, so that connection and installation of different explosion-proof pipes are realized, and different connectors 4 can be replaced according to actual needs, so that more explosion-proof pipes of different types are matched. Meanwhile, the connecting seat 2 is used for connecting the connector 4 and wiring the outer wiring cable 3, so that the installation is convenient, the tightness of the position of the outgoing line can be ensured, and the electricity safety is improved.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a LED explosion-proof walk lamp, includes lamp body (1) and sets up in the LED lighting assembly in lamp body (1), its characterized in that, one side of lamp body (1) is equipped with hollow connecting seat (2), connecting seat (2) with lamp body (1) fixed connection, be equipped with mounting hole (220) on connecting seat (2), mounting hole (220) with the inner chamber intercommunication of connecting seat (2), be equipped with first internal thread on the inner wall of mounting hole (220); the LED explosion-proof pavement lamp further comprises an external connection cable (3) and a hollow connector (4), wherein a connecting hole (41) is formed in the connector (4), and the connecting hole (41) is formed in the axial direction of the connector (4) and penetrates through the connector (4); an external thread (42) is arranged on the outer side wall of the joint (4), the outer side wall of the joint (4) is connected with the inner wall of the mounting hole (220) through threads, and a second internal thread is arranged on the inner wall of the connecting hole (41); one end of the external connection cable (3) is electrically connected with the LED lighting assembly, and the other end of the external connection cable (3) extends out of the connecting seat (2) through the mounting hole (220); when the connector (4) is arranged on the connecting seat (2), the connecting hole (41) on the connector (4) can be connected with and provided with a first type explosion-proof pipe (91); when the connector (4) is detached from the connecting seat (2), the mounting hole (220) on the connecting seat (2) can be connected with and used for mounting the second-type explosion-proof pipe (92).

2. The LED explosion-proof walk lamp as claimed in claim 1, wherein the connection base (2) comprises a main body portion (21) and a protruding portion (22) which are connected with each other, the main body portion (21) is fixedly connected with the lamp housing (1), and the protruding portion (22) is located at one side of the main body portion (21) away from the lamp housing (1); the mounting hole (220) is arranged on the protruding portion (22), and the mounting hole (220) penetrates through the protruding portion (22) and is communicated with the inner cavity of the main body portion (21).

3. The LED explosion-proof walk lamp as claimed in claim 1, wherein a sealing member (5) is provided in the mounting hole (220), the sealing member (5) being located at a side of the joint (4) close to the lamp housing (1); the sealing element (5) seals the mounting hole (220), and the external cable (3) passes through the sealing element (5).

4. The LED explosion-proof walk lamp as claimed in claim 1, wherein the LED lighting assembly comprises a power supply assembly (6) and an LED lamp assembly (7), the power supply assembly (6) being located above the LED lamp assembly (7), the external cable (3) being electrically connected to the power supply assembly (6), the power supply assembly (6) being electrically connected to the LED lamp assembly (7); the LED lamp is characterized in that a light-passing hole (14) is formed in the lamp housing (1) at a position corresponding to the LED lamp assembly (7), transparent toughened glass (15) is arranged at the light-passing hole (14), the transparent toughened glass (15) is connected with the lamp housing (1), and the transparent toughened glass (15) covers the light-passing hole (14).

5. The LED explosion-proof walk lamp as claimed in claim 4, wherein the LED lamp assembly (7) comprises a circuit board (71), and LED lamp beads (72) and lamp cups (73) arranged on the circuit board (71), wherein the lamp cups (73) cover the LED lamp beads (72); the lamp cup (73) is provided with a light inlet (731), a light outlet (732) and a light passing cavity (730) communicated with the light inlet (731) and the light outlet (732), and a reflecting layer (733) is arranged on the cavity wall of the light passing cavity (730); the diameter of the light outlet (732) is larger than that of the light inlet (731), the light passing cavity (730) is of a truncated cone-shaped structure with gradually widened diameter from one side close to the light inlet (731) to one side close to the light outlet (732) along the axial direction of the lamp cup (73), and the central axis of the light passing cavity (730) passes through the center of the light inlet (731) and the center of the light outlet (732); the lamp cup (73) is fixed on the circuit board (71) at one end close to the light inlet (731), and the LED lamp beads (72) are arranged at the light inlet (731).

6. The LED explosion-proof walk-way lamp as set forth in claim 5, wherein an included angle (a) between a bus bar of the light passing cavity (730) and the central axis is 10 ° to 55 °, and a height (H) of the light passing cavity (730) is 7.5mm to 14.5mm.

7. The LED explosion-proof walk-through lamp as claimed in claim 5, wherein the diameter of the light outlet (732) is 16.5mm to 19.5mm, and the diameter of the light inlet (731) is 4.5mm to 6.5mm.

8. The LED explosion-proof walk lamp as claimed in claim 4, wherein the lamp housing (1) comprises a main housing (11) and end plates (12) arranged at opposite ends of the main housing (11), the end plates (12) are fixedly connected with the main housing (11), and the connection base (2) is fixedly connected with the end plates (12); a partition board (13) is arranged in the main shell (11), the partition board (13) divides the inner cavity of the main shell (11) into an upper cavity (11A) and a lower cavity (11B), the power supply assembly (6) is arranged in the upper cavity (11A), and the LED lamp assembly (7) is arranged in the lower cavity (11B); the lower surface of the partition plate (13) is provided with a mounting groove (131), and the LED lamp assembly (7) is clamped and mounted in the mounting groove (131).

9. The LED explosion-proof walk lamp as claimed in claim 1, further comprising a mounting member (8), the mounting member (8) comprising a first mounting plate (81) and a second mounting plate (82), the second mounting plate (82) being fixedly connected to the lamp housing (1), the first mounting plate (81) being hinged to the second mounting plate (82).

10. The LED explosion-proof walk lamp as claimed in claim 9, wherein the first mounting plate (81) comprises a first transverse plate (811) and a first vertical plate (812) which are connected in a bending manner, the second mounting plate (82) comprises a second transverse plate (821) and a second vertical plate (822) which are connected in a bending manner, the second transverse plate (821) is fixedly connected with the lamp housing (1), the first vertical plate (812) and the second vertical plate (822) are hinged through bolts (83), and bolt holes (811 a) are formed in the first transverse plate (811).