Novel explosion-proof high-decibel audible and visual alarm

Abstract

The utility model discloses a novel explosion-proof high decibel audible and visual alarm, which comprises a shell, a controller, a wire connector, a light-emitting device and a sounding device, the controller and the wire connector are arranged in the shell, the wire connector is connected with the controller through a circuit, the shell is provided with a first interface and a second interface, and the first interface is connected with the second interface. The light-emitting device is detachably connected with the first interface, the sound production device is detachably connected with the second interface, and the light-emitting device and the sound production device are both connected with the wire connector through circuits. Through the application of the utility model, a novel explosion-proof high-decibel audible and visual alarm suitable for various dangerous places is provided, especially long-time stable work in high-temperature and high-humidity places can be realized, the explosion-proof requirement is satisfied, the reliability is relatively strong, and the audible and visual alarm function can be adjusted according to the actual use requirement.

Description

Technical Field

[0001] The utility model relates to the technical field of alarms, in particular to a new type of explosion-proof high-decibel sound and light alarm. Background Art

[0002] At present, alarms are widely used in working scenarios of dangerous environments such as wineries, pharmaceutical factories, chemical plants, warehouses, gas stations, oil well platforms, and oil extraction and metallurgy to provide alarm reminders for danger situations. Generally, a good sealing design is required to prevent the electric arcs and sparks that may be generated inside the alarm from igniting the combustible gases and dust in the surrounding environment.

[0003] However, the existing alarms often have a relatively complex overall structure, which makes their production and assembly costs relatively high, and the protection effect on the internal parts is relatively poor. At the same time, their functions are also relatively single, often only having the alarm function of sound or light, and it is difficult to adjust conveniently according to actual needs. Summary of the Utility Model

[0004] In view of this, to solve the above problems, the purpose of the utility model is to provide a new type of explosion-proof high-decibel sound and light alarm, including: a housing, a controller, a connector, a lighting device, and a sounding device. The controller and the connector are arranged inside the housing. The connector is connected to the controller through a circuit. A first interface and a second interface are opened on the housing. The lighting device is detachably connected to the first interface, and the sounding device is detachably connected to the second interface. Both the lighting device and the sounding device are connected to the connector through a circuit.

[0005] In another preferred embodiment, one end of the housing extends outward in the vertical direction to form a first protruding portion, and the first interface is opened on the first protruding portion.

[0006] In another preferred embodiment, the lighting device includes: an annular shell, a cover body, and an LED light source. The LED light source is fixedly installed inside the cover body. The annular shell is arranged outside the cover body, and the annular shell is sleeved on the first protruding portion.

[0007] In another preferred embodiment, the cover body includes: a glass cover and a light-transmitting cover. The LED light source is arranged inside the light-transmitting cover. The glass cover is sleeved outside the light-transmitting cover, and the annular shell is sleeved outside the glass cover.

[0008] In another preferred embodiment, an inner edge at the upper end of the annular shell extends inward to form a first annular portion, and an outer edge at the lower end of the glass cover extends outward to form a second annular portion. The first annular portion abuts against the second annular portion.

[0009] In another preferred embodiment, the light-emitting device further comprises: a pressure ring, which is arranged at the lower part inside the annular shell, and the pressure ring abuts against the lower surface of the second annular part.

[0010] In another preferred embodiment, the housing extends outwardly on one side in the horizontal direction to form a second protruding part, and the second interface is provided on the second protruding part.

[0011] In another preferred embodiment, the sound-emitting device comprises: a horn barrel, a sound amplifying barrel, a loudspeaker and a connecting sleeve. The loudspeaker is connected to one end of the connecting sleeve, the sound amplifying barrel is connected to the other end of the connecting sleeve, the horn barrel is sleeved outside the sound amplifying barrel, and the horn barrel is fixedly connected to the second protruding part.

[0012] In another preferred embodiment, the sound-emitting device further comprises: a flame retardant sheet, which is arranged inside the connection part between the loudspeaker and the connecting sleeve.

[0013] In another preferred embodiment, the sound-emitting device further comprises: a sealing gasket and a lock nut. The lock nut is connected to the sound amplifying barrel, and the sealing gasket is clamped between the lock nut and the connecting sleeve.

[0014] Due to the adoption of the above technical solutions, the positive effects of the present utility model compared with the prior art are as follows:

[0015] By applying the present utility model, a new type of explosion-proof high-decibel sound and light alarm suitable for various dangerous places is provided. In particular, it can achieve long-term stable operation in high-temperature and high-humidity places, has strong reliability while meeting the explosion-proof requirements, and can adjust the sound and light alarm function according to actual use needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is an overall schematic diagram of a new type of explosion-proof high-decibel sound and light alarm of the present utility model;

[0017] Figure 2 is a schematic diagram of the housing of a new type of explosion-proof high-decibel sound and light alarm of the present utility model;

[0018] Figure 3 is a schematic diagram of the light-emitting device of a new type of explosion-proof high-decibel sound and light alarm of the present utility model;

[0019] Figure 4 is a schematic diagram of the sound-emitting device of a new type of explosion-proof high-decibel sound and light alarm of the present utility model.

[0020] In the drawings:

[0021] 1. Housing; 2. Controller; 3. Connector; 4. Light-emitting device; 5. Sound-emitting device; 6. First convex part; 7. Ring-shaped housing; 8. Cover; 9. LED light source; 10. Glass cover; 11. Translucent cover; 12. First annular part; 13. Second annular part; 14. Pressing ring; 15. Second convex part; 16. Horn tube; 17. Sound amplifying tube; 18. Speaker; 19. Connecting sleeve; 20. Flame arrester; 21. Sealing gasket; 22. Lock nut; 23. Wiring cover; 24. Mounting foot. Detailed implementation manners

[0022] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, but it is not limited to the present utility model.

[0023] As Figures 1 to 4 shown, a novel explosion-proof high-decibel audible and visual alarm in a preferred embodiment is shown, including: a housing 1, a controller 2, a connector 3, a light-emitting device 4 and a sound-emitting device 5. A controller 2 and a connector 3 are arranged in the housing 1. The connector 3 is connected to the controller 2 through a circuit. A first interface and a second interface are provided on the housing 1. The light-emitting device 4 is detachably connected to the first interface, and the sound-emitting device 5 is detachably connected to the second interface. Both the light-emitting device 4 and the sound-emitting device 5 are connected to the connector 3 through circuits. Further, the user can selectively assemble the light-emitting device 4 or the sound-emitting device 5 alone or install both the light-emitting device 4 and the sound-emitting device 5 according to actual usage requirements. During installation, the connector 3 can cooperate with the circuit to electrically connect the wiring terminals of the light-emitting device 4 and / or the sound-emitting device 5.

[0024] Further, as a preferred embodiment, it further includes: a sealing cover. When only the light-emitting device 4 or the sound-emitting device 5 is assembled alone, the second interface or the first interface can be sealed by the sealing cover.

[0025] Further, as a preferred embodiment, the connector 3 can be communicatively connected to an external sensor through an external circuit. The external circuit preferably passes through the housing 1; the connector 3 can also be communicatively connected to the sensor wirelessly.

[0026] Further, as a preferred embodiment, one end of the housing 1 extends outward in the vertical direction to form a first convex part 6, and a first interface is provided on the first convex part 6.

[0027] Further, as a preferred embodiment, the first convex part 6 is preferably annularly arranged.

[0028] Further, as a preferred embodiment, the light-emitting device 4 includes: an annular housing 7, a cover 8, and an LED light source 9. The LED light source 9 is fixedly installed inside the cover 8. The annular housing 7 is disposed outside the cover 8 and sleeved on the first convex portion 6. Further, through the arrangement of the annular housing 7, the cover 8 and the LED light source 9 are stably fixed on the housing 1. When actually installing the light-emitting device 4, the bottom of the LED light source 9 can be fixed to the inner wall of the first interface by bolts in advance, and then the cover 8 and the annular housing 7 are sleeved to form a sealed connection at the first interface.

[0029] Further, as a preferred embodiment, the cover 8 includes: a glass cover 10 and a light-transmitting cover 11. The LED light source 9 is disposed inside the light-transmitting cover 11. The glass cover 10 is sleeved outside the light-transmitting cover 11. The annular housing 7 is sleeved outside the glass cover 10. Further, the glass cover 10 provides additional light-transmitting protection for the internal light-transmitting cover 11 and the LED light source 9.

[0030] Further, as a preferred embodiment, a spaced space is formed between the glass cover 10 and the light-transmitting cover 11.

[0031] Further, as a preferred embodiment, an inner edge at the upper end of the annular housing 7 extends inward to form a first annular portion 12, and an outer edge at the lower end of the glass cover 10 extends outward to form a second annular portion 13. The first annular portion 12 abuts against the second annular portion 13.

[0032] Further, as a preferred embodiment, a sealing ring is also clamped between the first annular portion 12 and the second annular portion 13.

[0033] Further, as a preferred embodiment, a lower part of the first annular portion 12 may be concavely formed with an annular groove, and an upper part of the sealing ring is clamped in the annular groove.

[0034] Further, as a preferred embodiment, the light-emitting device 4 further includes: a retaining ring 14. The retaining ring 14 is disposed at a lower part inside the annular housing 7 and abuts against the lower surface of the second annular portion 13. Further, the glass cover 10 and the annular housing 7 can be first sealed and connected by gluing, and the installation of the retaining ring 14 from bottom to top further strengthens the seal between the glass cover 10 and the annular housing 7.

[0035] Further, as a preferred embodiment, a threaded connection is preferably adopted between the annular housing 7 and the retaining ring 14. Further, an external thread may be provided on the outside of the retaining ring 14, and an internal thread matching the external thread may be provided on the inner side of the lower part of the annular housing 7.

[0036] Further, as a preferred embodiment, the annular shell 7 and the first convex part 6 or the pressing ring 14 and the first convex part 6 are preferably connected by potting adhesion or a combination of potting and threaded connection.

[0037] Further, as a preferred embodiment, a second convex part 15 extends outward from one side of the shell 1 in the horizontal direction, and a second interface is provided on the second convex part 15.

[0038] Further, as a preferred embodiment, the second convex part 15 is preferably annularly arranged.

[0039] Further, as a preferred embodiment, the sound generating device 5 includes: a horn tube 16, a sound amplifying tube 17, a loudspeaker 18 and a connecting sleeve 19. The loudspeaker 18 is connected to one end of the connecting sleeve 19, the sound amplifying tube 17 is connected to the other end of the connecting sleeve 19, the horn tube 16 is sleeved outside the sound amplifying tube 17, and the horn tube 16 is fixedly connected to the second convex part 15.

[0040] Further, as a preferred embodiment, the loudspeaker 18 and the other end of the connecting sleeve 19 are preferably arranged to extend into the shell 1.

[0041] Further, as a preferred embodiment, the horn tube 16 is arranged in a tubular structure that gradually expands outward, and the sound amplifying tube 17 is arranged in a tubular structure that gradually contracts outward.

[0042] Further, as a preferred embodiment, one end of the horn tube 16 close to the loudspeaker 18 is fixed on the inner wall of the second interface by bolts.

[0043] In a further embodiment of the present invention, annular support portions are preferably provided along the inner edges of the first interface and the second interface to facilitate the installation of the corresponding bolts.

[0044] Further, as a preferred embodiment, a hollowed-out bracket is provided inside the sound amplifying tube 17 for connection with the connecting sleeve 19. Further, the sound emitted by the loudspeaker 18 can at least first enter the sound amplifying tube 17 through the connecting sleeve 19 and then enter the horn tube in the reverse direction after passing through the bracket of the sound amplifying tube 17.

[0045] The above are only preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention.

[0046] The present invention further has the following implementation manners on the above basis:

[0047] In a further embodiment of the present utility model, the sound generating device 5 further comprises: a flame retardant sheet 20, which is arranged inside the connection part between the loudspeaker 18 and the connection sleeve 19. Further, the loudspeaker 18 is protected by the arrangement of the flame retardant sheet 20.

[0048] In a further embodiment of the present utility model, the flame retardant sheet 20 is made of a flame retardant material, and preferably, a plurality of through holes are formed in the flame retardant sheet 20 to ensure that the sound generated by the loudspeaker 18 can be transmitted into the horn 17.

[0049] In a further embodiment of the present utility model, the sound generating device 5 further comprises: a sealing gasket 21 and a lock nut 22. The lock nut 22 is connected to the horn 17, and the sealing gasket 21 is clamped between the lock nut 22 and the connection sleeve 19. Further, the lock nut 22 is in threaded cooperation with the connection sleeve 19 so that the sealing gasket 21 is pressed tightly. Preferably, a stepped annular surface can be formed by partial contraction of the outer wall of the connection sleeve 19 to abut against the sealing gasket 21.

[0050] In a further embodiment of the present utility model, the sealing gasket 21 is arranged in an annular structure.

[0051] In a further embodiment of the present utility model, it further comprises: a wiring cover 23, which is arranged on the other side of the housing 1 in the horizontal direction. The wiring cover 23 is arranged to be openable, and when the wiring cover 23 is opened, the user can operate the wire connector 3.

[0052] In a further embodiment of the present utility model, it further comprises: at least two mounting feet 24, which are arranged at the bottom of the housing 1 and extend radially outward relative to the housing 1. Further, the user can fix and install the present alarm by passing a fixing bolt through the mounting feet 24.

[0053] The above are only the preferred embodiments of the present utility model, and thus do not limit the implementation manners and the protection scope of the present utility model. For those skilled in the art, it should be realized that all the equivalent replacements and obvious changes made by using the description and the illustrations of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A new explosion-proof high-decibel sound and light alarm, characterized in that: include: A shell, a controller, a connector, a light-emitting device and a sound-emitting device. The controller and the connector are arranged in the shell, and the connector is connected to the controller through a line. A first interface and a second interface are provided on the shell. The light-emitting device is detachably connected to the first interface, and the sound-emitting device is detachably connected to the second interface. The light-emitting device and the sound-emitting device are both connected to the connector through a line.

2. The new explosion-proof high-decibel sound and light alarm according to claim 1 is characterized in that: The shell body extends outwardly at one end in the vertical direction to form a first protrusion, and the first protrusion is provided with the first interface.

3. The new explosion-proof high-decibel sound and light alarm according to claim 2 is characterized in that: The light emitting device comprises: an annular shell, a cover body and an LED light source, wherein the LED light source is fixedly installed in the cover body, the annular shell is arranged on the outside of the cover body, and the annular shell is sleeved on the first protrusion.

4. The novel explosion-proof high-decibel sound and light alarm according to claim 3 is characterized in that: The cover body comprises: a glass cover and a light-transmitting cover, the LED light source is arranged on the inner side of the light-transmitting cover, the glass cover is sleeved on the outer side of the light-transmitting cover, and the annular shell is sleeved on the outer side of the glass cover.

5. The novel explosion-proof high-decibel sound and light alarm according to claim 4 is characterized in that: The inner edge of the upper end of the annular shell extends inward to form a first annular portion, and the outer edge of the lower end of the glass cover extends outward to form a second annular portion, and the first annular portion abuts against the second annular portion.

6. The novel explosion-proof high-decibel sound and light alarm according to claim 5 is characterized in that: The light emitting device further comprises: a pressure ring, which is arranged at the lower part of the inner side of the annular shell and abuts against the lower surface of the second annular part.

7. The novel explosion-proof high-decibel sound and light alarm according to claim 1 is characterized in that: The shell extends outwardly along one side of the horizontal direction to form a second protrusion, and the second protrusion is provided with the second interface.

8. The novel explosion-proof high-decibel sound and light alarm according to claim 7 is characterized in that: The sound-generating device comprises: a horn, a megaphone, a speaker and a connecting sleeve, wherein the speaker is connected to one end of the connecting sleeve, the megaphone is connected to the other end of the connecting sleeve, the horn is sleeved on the outside of the megaphone, and the horn is fixedly connected to the second protrusion.

9. The novel explosion-proof high-decibel sound and light alarm according to claim 8 is characterized in that: The sound-generating device further comprises: a fire-blocking plate, which is arranged on the inner side of the connection between the speaker and the connecting sleeve.

10. The novel explosion-proof high-decibel sound and light alarm according to claim 8 is characterized in that: The sound-generating device further comprises: a sealing pad and a lock nut, wherein the lock nut is connected to the loudspeaker, and the sealing pad is clamped between the lock nut and the connecting sleeve.

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