Explosion-proof earphone

By introducing an impact-resistant design with a zinc alloy outer frame and a liquid silicone buffer layer into the Bluetooth headset, combined with a magnetic charging interface and a PogoPin spring probe, the problems of unstable connection and charging difficulties of Bluetooth headsets in high-risk environments are solved, enabling stable use and fast charging in explosive environments.

CN224037490UActive Publication Date: 2026-03-24BEIJING DELAN SYST CONTROL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing Bluetooth headsets lack explosion-proof features in high-risk environments, preventing users from transmitting data and communicating in real time in places such as petroleum, chemical, pharmaceutical, and oil depot locations.

Method used

An explosion-proof earphone was designed, featuring an impact-resistant cavity composed of a zinc alloy outer frame and a liquid silicone buffer layer. It incorporates a magnetic charging interface and a low-resistance design with a PogoPin spring probe, along with functional components such as a microphone and ear hooks, providing mechanical support and stable connection to adapt to hazardous explosive environments.

Benefits of technology

It achieves stable connection and fast charging of the headset in explosive hazardous environments, enhances call clarity and adaptability, and is suitable for high-noise industrial scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of earphone equipment, and discloses an explosion-proof earphone which comprises a charging bin and an earphone body, a placement groove is formed in the charging bin, and the earphone body is placed in the placement groove. According to the explosion-proof earphone, the connecting part serves as an earphone main body structure, functional assemblies such as the microphone rod and the ear hook are integrated, mechanical support can be provided, internal electronic elements can be protected, rigid support can be provided through the zinc alloy outer framework arranged on the connecting part shell, the ear hook shell and the microphone shell, and meanwhile, the liquid silica gel buffer layer can absorb impact; the zinc alloy outer framework, the liquid silica gel buffer layer and the silica gel damping bush act synergistically to resist external impact and vibration and can be suitable for explosion dangerous environments, the low-resistance design of the magnetic type charging interface and the PogoPin spring probe is combined with the strong adsorption force of the N52 neodymium magnet array, rapid charging and stable connection are ensured, wind noise can be reduced through the titanium alloy windshield, and the service life of the battery is prolonged. The earplugs can enhance sound insulation and are suitable for high-noise industrial scenes.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of earphone devices, in particular to an explosion-proof earphone. BACKGROUND

[0002] The woven bag is also called a snake skin bag, and raw materials of the woven bag are generally polyethylene, polypropylene and various chemical plastic raw materials. The woven bag has a wide range of uses and is mainly used for packing and packaging various articles and has a wide range of uses in the industry.

[0003] The existing patent (publication number: CN215344018U) discloses a single-ear Bluetooth earphone and belongs to the technical field of earphone devices. The single-ear Bluetooth earphone comprises a main shell and a shell cover. A placing plate is clamped on the top of the main shell. An earphone placing groove is formed on the top surface of the placing plate. Two charging contact holes are formed at the bottom of the earphone placing groove. A control mainboard is fixed on the top surface of the bottom plate of the main shell. Two charging contact heads are fixed on the top surface of the control mainboard. The charging contact heads are inserted into the corresponding charging contact holes. The Bluetooth earphone is placed in the earphone placing groove. The charging part at the bottom of the main shell of the Bluetooth earphone is in contact with the charging contact head. The utility model has the advantages of the main shell and the shell cover. The Bluetooth earphone can be placed in the main shell for charging. The Bluetooth earphone can be charged by being placed in the main shell after the battery is used up. The utility model is convenient to use and improves the battery life. Moreover, the power display liquid crystal module in the main shell can display the power of the lithium battery in the main shell. The user can conveniently know the chargeable power of the Bluetooth earphone.

[0004] Although the device in the above-mentioned comparative document solves the problem that the current single-ear Bluetooth earphone is directly provided with a charging port on one side of the main body of the earphone for direct charging, the built-in lithium battery of the earphone has a limited capacity, and the earphone needs to be charged by using a connecting line after the battery is used up, which is very troublesome. However, the device lacks an explosion-proof function. In a high-risk environment, such as an oil field, a chemical plant, a pharmaceutical factory, an oil depot, a tank area and other dangerous places with flammable and explosive gases, it is inconvenient for the user to produce, dispatch data and transmit and communicate in real time. In order to solve the above-mentioned problems, the present application provides an explosion-proof earphone. TECHNICAL CONTENT

[0005] In view of the deficiencies of the prior art, the present application provides an explosion-proof earphone which has the function of explosion-proof and solves the problem that it is inconvenient for the user to produce, dispatch data and transmit and communicate in real time in a high-risk environment, such as an oil field, a chemical plant, a pharmaceutical factory, an oil depot, a tank area and other dangerous places with flammable and explosive gases.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: an explosion-proof earphone comprising a charging bin and an earphone body, wherein a placing groove is formed in the inside of the charging bin, and the earphone body is placed in the placing groove.

[0007] The earphone body is internally provided with a connecting part, the connecting part is internally provided with a microphone rod, one end of the microphone rod is fixedly connected with an ear hook, a rotating rod is arranged on the side of the connecting part, one end of the rotating rod is fixedly connected with a microphone, a magnetic charging interface is arranged on the back of the ear hook, a PogoPin spring probe is arranged at the bottom of the placing groove, the connecting part shell, the ear hook shell and the microphone shell are all composed of an impact-resistant cavity formed by a zinc alloy exoskeleton and a liquid silicone buffer layer, a silica gel damping bushing is arranged at the connecting position of the microphone rod and the ear hook and the connecting part, an N52 neodymium magnet array is arranged in the placing groove, and an Fe-Si-Al magnetic sheet is arranged at the corresponding position of the root of the microphone rod.

[0008] Through the above scheme, the connecting part is used as the earphone body structure, the microphone rod, the ear hook and other functional components are integrated, mechanical support can be provided to protect the internal electronic elements, the zinc alloy exoskeleton arranged on the connecting part shell, the ear hook shell and the microphone shell can provide rigid support, at the same time, the liquid silicone buffer layer can absorb impact, the zinc alloy exoskeleton, the liquid silicone buffer layer and the silica gel damping bushing work together to resist external impact and vibration, can be suitable for explosive hazardous environments, the low resistance design of the magnetic charging interface and the PogoPin spring probe, combined with the strong adsorption force of the N52 neodymium magnet array, ensures fast charging and stable connection.

[0009] Further, the microphone rod is made of carbon fiber material and is internally provided with a spring telescopic mechanism, the side key can lock three lengths, the thickness of the silica gel damping bushing is 1.2 mm, the inside is filled with silicone gel damping particles, the particle size of the damping particles is 0.3 mm, the contact point surface of the magnetic charging interface is plated with a 0.02μm thick iridium gold layer, the contact resistance is ≤0.3mΩ, and the surface gold plating treatment contact resistance is ≤0.5mΩ.

[0010] Through the above scheme, by using carbon fiber material, it has the advantages of lightweight and high strength, three length adjustment is suitable for different ear types, and the silica gel damping bushing can buffer the vibration between the microphone rod and the connecting part.

[0011] Further, a multi-hole titanium alloy wind shield is additionally arranged at the front end of the microphone, and earplugs are connected to the back of the connecting part.

[0012] Through the above scheme, the rotating rod can adjust the angle of the microphone to adapt to different use scenarios, and the multi-hole titanium alloy wind shield reduces wind noise and improves call clarity.

[0013] Further, a switch button, a volume increase button and a volume decrease button are arranged on the top of the microphone.

[0014] Through the above scheme, by arranging the switch button, the volume increase button and the volume decrease button, they can be integrated on the top of the microphone, which is convenient for single-handed operation.

[0015] Further, the top of the charging bin is movably connected with a cover through a hinge, the top of the placing groove is provided with a pinch groove on opposite sides, the inside of the cover is provided with a transparent plate, and the surface of the charging bin is provided with a charging hole.

[0016] Through the above scheme, the pinch groove can provide a finger force point, and the earphone structure can be easily taken out of the charging bin.

[0017] Further, the inside of the charging bin is fixedly connected with an electric quantity display screen, and the surface of the cover is fixedly connected with a raised strip.

[0018] Through the above scheme, the electric quantity display screen can display the remaining electric quantity of the charging bin in real time, the raised strip can increase the friction of the surface of the charging bin, can prevent slipping when holding, and improve the holding stability.

[0019] Further, the inside of the charging bin is fixedly connected with a first magnet, and the side of the cover is fixedly connected with a second magnet.

[0020] Through the above scheme, the first magnet and the second magnet are arranged, the cover can be closed through magnetic attraction, the firmness of the cover can be enhanced, and accidental opening can be prevented.

[0021] Further, a plurality of ear sleeve grooves are arranged in the inside of the charging bin.

[0022] Through the above scheme, the ear sleeve grooves can store spare earplugs, the user can replace earplugs of different sizes, and the adaptability is improved.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The explosion-proof earphone has the following advantages: BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a front view of the structure of the present application;

[0026] Figure 2It is a front view of the charging bin in the present application;

[0027] Figure 3 It is a side view of the charging bin in the present application;

[0028] Figure 4 It is a structure diagram of the ear hook in the present application;

[0029] Figure 5 It is a structure diagram of the magnetic charging interface in the present application.

[0030] In the figure:

[0031] 1, charging bin; 101, placing groove; 102, pinch groove; 103, ear sleeve groove; 104, power display screen; 105, hinge; 106, cover body; 107, first magnet; 108, second magnet; 109, transparent plate; 1010, PogoPin spring probe; 1011, N52 neodymium magnet array; 1012, charging hole; 1013, protruding strip;

[0032] 2, earphone body; 201, connecting part; 202, microphone rod; 203, rotating rod; 204, microphone; 205, switch button; 206, volume up button; 207, volume down button; 208, Fe-Si-Al magnetic sheet; 209, magnetic charging interface; 2010, earplug; 2011, ear hook. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] Please refer to Figure 2 , Figure 4 and Figure 5 The anti-explosion earphone in the present embodiment comprises a charging bin 1 and an earphone body 2. The charging bin 1 is internally provided with a placing groove 101, and the earphone body 2 is placed in the placing groove 101.

[0035] The earphone body 2 is internally provided with a connecting portion 201, the connecting portion 201 is internally provided with a microphone rod 202, one end of the microphone rod 202 is fixedly connected with an ear hook 2011, a rotating rod 203 is arranged on the side of the connecting portion 201, one end of the rotating rod 203 is fixedly connected with a microphone 204, a magnetic charging interface 209 is arranged on the back of the ear hook 2011, a PogoPin spring probe 1010 is arranged at the bottom of the placing groove 101, the shell of the connecting portion 201, the shell of the ear hook 2011 and the shell of the microphone 204 are all composed of an anti-impact cavity formed by a zinc alloy outer framework and a liquid silicone buffer layer, a silicone damping bushing is arranged at the connecting position of the microphone rod 202 and the connecting portion 201, an N52 neodymium magnet array 1011 is arranged in the placing groove 101, a Fe-Si-Al magnetic sheet 208 is arranged at the corresponding position of the root of the microphone rod 202, the connecting portion 201 is used as the earphone main body structure, integrates the microphone rod 202, the ear hook 2011 and other functional components, can provide mechanical support and protect internal electronic components, the zinc alloy outer framework arranged on the shell of the connecting portion 201, the shell of the ear hook 2011 and the shell of the microphone 204 can provide rigid support, at the same time, the liquid silicone buffer layer can absorb impact, the zinc alloy outer framework, the liquid silicone buffer layer and the silicone damping bushing work together to resist external impact and vibration, can be suitable for explosive hazardous environments, the low resistance design of the magnetic charging interface 209 and the PogoPin spring probe 1010, combined with the strong adsorption force of the N52 neodymium magnet array 1011, can ensure fast charging and stable connection.

[0036] Please refer to Figure 4 and Figure 5 , the microphone rod 202 is made of carbon fiber material, is internally provided with a spring telescopic mechanism, the side key can lock three lengths, the thickness of the silicone damping bushing is 1.2mm, is internally filled with silicone gel damping particles, the particle size of the damping particles is 0.3mm, the contact point surface of the magnetic charging interface 209 is plated with a 0.02μm thick iridium gold layer, by using carbon fiber material, has the advantages of lightweight and high strength, three length adjustment is suitable for different ear types, the silicone damping bushing can buffer the vibration between the microphone rod 202 and the connecting portion 201, a multi-hole titanium alloy wind shield is additionally arranged at the front end of the microphone 204, the earplug 2010 is connected and arranged on the back of the connecting portion 201, the angle of the microphone 204 can be adjusted through the rotating rod 203, is suitable for different use scenarios, the multi-hole titanium alloy wind shield reduces wind noise and improves call clarity, the switch button 205, the volume increase button 206 and the volume decrease button 207 are arranged on the top of the microphone 204, by arranging the switch button 205, the volume increase button 206 and the volume decrease button 207, the microphone 204 can be integrated on the top, is convenient for single-handed operation.

[0037] Please refer to Figure 1 , Figure 2 and Figure 3The top of the charging bin 1 is movably connected with a cover body 106 through a hinge 105, the top of the placing groove 101 is provided with a pinch groove 102 on opposite sides, the inside of the cover body 106 is provided with a transparent plate 109, the surface of the charging bin 1 is provided with a charging hole 1012, the pinch groove 102 can provide a finger force point, so that the earphone structure can be taken out of the charging bin 1, the inside of the charging bin 1 is fixedly connected with an electric quantity display screen 104, the surface of the cover body 106 is fixedly connected with a raised strip 1013, the electric quantity display screen 104 can display the remaining electric quantity of the charging bin 1 in real time, the raised strip 1013 can increase the friction of the surface of the charging bin 1, can prevent sliding when holding, and improves the holding stability, the inside of the charging bin 1 is fixedly connected with a first magnet 107, the side of the cover body 106 is fixedly connected with a second magnet 108, the first magnet 107 and the second magnet 108 can close the cover body 106 through magnetic attraction, can enhance the firmness of the cover body 106, and prevent accidental opening, a plurality of ear sleeve grooves 103 are arranged in the charging bin 1, the ear sleeve grooves 103 can store spare earplugs 2010, so that users can replace earplugs 2010 of different sizes, and the adaptability is improved.

[0038] In the embodiment, the zinc alloy exoskeleton arranged through the housings of the connecting part 201, the ear hook 2011 and the microphone 204 can provide rigid support, and the liquid silicone buffer layer can absorb impact, the zinc alloy exoskeleton cooperates with the liquid silicone buffer layer and the silica gel damping bushing to resist external impact and vibration, can be suitable for explosive hazardous environments, the low resistance design of the magnetic attraction type charging interface 209 and the PogoPin spring probe 1010, combined with the strong adsorption force of the N52 neodymium magnet array 1011, ensures fast charging and stable connection, by adopting carbon fiber material, has the advantages of light weight and high strength, three length adjustment modes are suitable for different ear types, the silica gel damping bushing can buffer the vibration between the microphone 202 and the connecting part 201, the rotating rod 203 can adjust the angle of the microphone 204, adapt to different use scenarios, the multi-hole titanium alloy wind shield reduces wind noise and improves call clarity.

[0039] The working principle of the above embodiment is that: in use, people open the cover body 106, people pinch the connecting part 201, the earphone main body can be taken out of the charging bin 1, then the ear hook 2011 and the microphone 204 are rotated, the positions of the ear hook 2011 and the microphone 204 are adjusted, after the adjustment is completed, it is worn on the ear, after wearing is completed, the device can be used;

[0040] When the device is in use, the zinc alloy exoskeleton can provide rigid support, while the liquid silicone buffer layer can absorb impact. The zinc alloy exoskeleton, the liquid silicone buffer layer and the silicone damping bushing work together to resist external impact and vibration, and can be suitable for explosive hazardous environments. The low resistance design of the magnetic charging interface 209 and the PogoPin spring probe 1010, combined with the strong adsorption force of the N52 neodymium magnet array 1011, ensures fast charging and stable connection.

[0041] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by an "including a" statement does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0042] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives, and variations can be made in the embodiments without departing from the spirit and scope of the present application as defined by the appended claims and their equivalents.

Claims

1. An explosion-proof earphone, comprising a charging case (1) and an earphone body (2), characterized in that: The charging case (1) has a placement groove (101) inside, and the earphone body (2) is placed in the placement groove (101). The earphone body (2) has a connecting part (201) inside, and a microphone rod (202) is provided inside the connecting part (201). One end of the microphone rod (202) is fixedly connected to an ear hook (2011). A rotating rod (203) is provided on the side of the connecting part (201). One end of the rotating rod (203) is fixedly connected to a microphone (204). A magnetic charging interface (209) is provided on the back of the ear hook (2011). A PogoPin is provided at the bottom of the placement groove (101). The spring probe (1010), the outer shell of the connecting part (201), the outer shell of the ear hook (2011) and the outer shell of the microphone (204) are all shock-resistant cavities composed of a zinc alloy outer frame and a liquid silicone buffer layer. The connection between the microphone rod (202) and the ear hook (2011) and the connecting part (201) is made of silicone damping bushing. The placement groove (101) is provided with an N52 neodymium magnet array (1011). The corresponding position at the root of the microphone rod (202) is provided with an Fe-Si-Al magnetic sheet (208).

2. The explosion-proof earphone according to claim 1, characterized in that: The microphone (202) is made of carbon fiber and has a built-in spring telescopic mechanism. Pressing the side button can lock the length in three positions. The thickness of the silicone damping bushing is 1.2mm, and it is filled with silicone gel shock-absorbing particles with a particle size of 0.3mm. The contact point surface of the magnetic charging interface (209) is plated with a 0.02μm thick iridium layer.

3. The explosion-proof earphone according to claim 1, characterized in that: The microphone (204) is fitted with a porous titanium alloy windproof cover at the front end, and an earplug (2010) is installed on the back of the connector (201).

4. The explosion-proof earphone according to claim 1, characterized in that: The microphone (204) is equipped with a power switch (205), a volume up button (206), and a volume down button (207) on its top.

5. The explosion-proof earphone according to claim 1, characterized in that: The top of the charging compartment (1) is movably connected to a cover (106) via a hinge (105). The top of the placement groove (101) has pinch grooves (102) on both sides. The cover (106) has a transparent plate (109) inside. The surface of the charging compartment (1) has a charging hole (1012).

6. The explosion-proof earphone according to claim 5, characterized in that: The charging compartment (1) has a power display screen (104) fixedly connected to its inner side, and the cover (106) has a raised strip (1013) fixedly connected to its surface.

7. The explosion-proof earphone according to claim 5, characterized in that: The charging compartment (1) has a first magnet (107) fixedly connected to its inner side, and the cover (106) has a second magnet (108) fixedly connected to its side.

8. The explosion-proof earphone according to claim 1, characterized in that: The charging case (1) has multiple ear sleeve slots (103) inside.

Citation Information

Patent Citations

  • Single-ear Bluetooth earphone

    CN215344018U