Wireless electronic siren

The wireless electronic siren system addresses the challenge of clear communication in noisy and hazardous construction environments by enabling hands-free auditory signaling through a switch-activated horn, improving safety by reducing visual distractions and enhancing hazard awareness.

JP3255081UActive Publication Date: 2026-03-16保坂茂
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2025-08-14
Publication Date
2026-03-16

AI Technical Summary

Technical Problem

Existing guide systems for construction vehicles and heavy machinery face challenges in ensuring clear communication in noisy environments and during operations that restrict the use of visual cues, such as guide lights and sirens, particularly in hazardous conditions like gas construction sites, and require both hands for manual signaling.

Method used

A wireless electronic siren system comprising a switch attached to a guide's helmet or uniform and an electronic horn, activated by a radio wave transmitter, allowing hands-free operation and auditory signaling.

Benefits of technology

Enables clear, immediate, and reliable auditory communication with operators, enhancing hazard avoidance by allowing guides to issue instructions without visual distractions, even in noisy conditions, and facilitating multiple simultaneous connections for improved safety.

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Abstract

This system provides a wireless electronic whistle that allows construction vehicle guides and heavy equipment guides (hereinafter referred to as "guides") to quickly and clearly give instructions to operators of construction vehicles and heavy equipment with simple operation, thereby helping them avoid danger. [Solution] The wireless electronic horn consists of a wireless radio wave transmitter (hereinafter referred to as a switch) 101 for activating the electronic horn and an electronic horn sound generator 201, which are wirelessly connected. The electronic horn sound generator 201 is installed inside the driver's seat of a construction vehicle or heavy machinery, or attached to the driver's or operator's work helmet or uniform. When there is a risk of danger to pedestrians or vehicles in the vicinity, a construction vehicle guide or heavy machinery guide can simply press the switch 101 attached to their work helmet or uniform, and a loud electronic horn sound will be emitted from the electronic horn sound generator 201, allowing for immediate instruction to stop the operation of the construction vehicle or heavy machinery. Conventionally, instructions were made solely by relying on visual means such as red and white flags or baton guiding sticks, but by using the electronic horn of this invention in combination, instructions can be conveyed more clearly.
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Description

Technical Field

[0001] The present invention is a wireless electronic siren for a construction vehicle guide or heavy machinery guide (hereinafter referred to as a guide) arranged near a construction vehicle or heavy machinery to safely operate construction vehicles such as dump trucks and heavy machinery such as hydraulic excavators in road construction or building construction, etc., so that the guide can surely and promptly give instructions to a driver or operator (hereinafter referred to as an operator) by an electronic siren sound with simple operations.

Background Art

[0002] In road construction or building construction sites, in order to safely operate construction vehicles such as dump trucks and heavy machinery such as hydraulic excavators, guides are arranged near them to check the surrounding situation. When there is an approach of pedestrians or general vehicles, etc., a guide rod (guide light), a red-and-white flag, a siren, etc. are used to send signals such as stop operation to the operator. However, especially in the case of a hydraulic excavator, etc., it often happens that it is difficult to confirm the guide light or red-and-white flag of the guide near by due to the arm of the heavy machinery, etc. Therefore, although the combined use of a siren is effective, in order to respond to emergencies, the siren must always be held in the mouth, which is difficult in the case of long-term guidance or rainy days, and is also regarded as a problem in terms of hygiene.

Summary of the Invention

Problems to be Solved by the Invention

[0004] There are also existing guide lights with built-in electronic sirens, but at construction sites where there is a risk of ignition such as gas construction, the use of the guide light itself with light emission may be restricted in some cases.

[0005] This invention wirelessly connects an electronic horn activation radio wave transmitter (hereinafter referred to as a switch) and an electronic horn sound generator (hereinafter referred to as an electronic horn), so that when the switch is pressed, a horn sound is emitted from the electronic horn.

[0006] By attaching the switch to the guide's work helmet or uniform, they can respond immediately in emergencies even if both hands are occupied with red and white flags.

[0007] The switch is attached to the guide's work helmet or uniform using a clip-type resin bracket.

[0008] Electronic horns are designed so that operators of heavy machinery and other equipment can immediately recognize that the warning is directed at them, without being distracted by surrounding noise or other horn sounds. This is achieved by either fixing the electronic horn unit to the driver's seat using a magnet built into the unit's case, or by attaching it to the operator's work helmet or uniform using a bracket.

[0009] If for any reason it is not possible to place the electronic horn near the operator, the guide will carry and use it along with the switch. [Effects of the Invention]

[0010] As described above, by using this invention, even if a guide's hands are occupied by holding a red and white flag or the like in an environment where the use of guide lights or the like is restricted, they can quickly, reliably, and clearly issue instructions to operators of heavy machinery, etc., simply by pressing a switch attached to their helmet or uniform.

[0011] Operators of heavy machinery and other equipment can immediately recognize instructions from guides and other personnel through the sound of an electronic whistle emitted from a nearby station, and take hazard-avoiding actions such as ceasing operations.

[0012] By using this invention, the dangers posed by pedestrians and vehicles passing by construction vehicles and heavy machinery can be avoided much more easily than relying solely on visual cues such as red and white hand flags or guiding lights from traffic controllers, as this invention also appeals to auditory cues.

[0013] Since multiple switches can be wirelessly connected to a single electronic horn, they can be worn by workers around construction vehicles and heavy machinery, in addition to traffic controllers. This makes it easier to spot pedestrians and vehicles passing by construction vehicles and heavy machinery, thereby improving the accuracy of hazard avoidance. [Modes for carrying out the invention]

[0014] Switch (radio wave transmitter for activating electronic horn) All components, including the power supply, wireless radio wave transmission module, and wireless radio wave transmission switch, are housed in a waterproof and dustproof case.

[0015] Electronic horn sound generator All components, including the power supply, wireless receiver module, and electronic horn, are housed in a waterproof and dustproof case. The case has a magnet for attachment, allowing it to be secured around the driver's seat or control panel. Additionally, a switch bracket is used to attach it to the operator's helmet or uniform, allowing the operator to wear it themselves.

[0016] A bracket with a clip structure for attaching to helmets, uniforms, etc. A bracket with a clip structure that allows a switch and electronic whistle to be attached to most commercially available work helmets and uniforms. [Brief explanation of the drawing]

[0017] [Figure 1] (A) Front view of the switch, (B) Side view of the switch [Figure 2] (A) Front view of electronic horn, (B) Rear view of electronic horn, (C) Side view of electronic horn [Figure 3] Side view of mounting bracket [Figure 4] (A) Mounting bracket - Side view when switch is installed, (B) Mounting bracket - Side view when electronic siren is installed [Figure 5] Mounting image diagram of the mounting bracket [Figure 6] Image diagram of the present invention

Explanation of symbols

[0018] 101 Switch body 102 Stay for bracket mounting 103 Button for switch activation 201 Electronic siren body 202 Magnet 203 Electronic siren sound generation part 301 Bracket for switch and electronic siren mounting 301A Steel plate for electronic siren mounting 302 Mounting clip

Prior art documents

Non - patent documents

[0019]

Non - patent document 1

Claims

1. A wireless transmitter for activating an electronic horn (hereinafter referred to as the switch) and an electronic horn sound generator are wirelessly connected. When a situation arises that requires the immediate stopping of construction vehicles, heavy machinery, etc., pressing the switch will generate an electronic horn sound of approximately 100 dB from the electronic horn sound generator, allowing for clear instructions to be given to the operator of the heavy machinery, etc. (hereinafter referred to as the operator).

2. The switch is attached to the helmets or uniforms of construction vehicle guides, heavy equipment guides, and workers using a bracket with a clip structure. The bracket is designed to accommodate both a switch and an electronic horn sound generator.

3. The electronic horn sound generator is fixed inside the driver's seat using a fixing magnet built into the main case of the alarm sound generator, or it is attached to the operator's work helmet or uniform using the bracket described in claim 2, so that the operator of heavy machinery, etc., can immediately notice the horn sound. Depending on the situation, the guide may carry and use the device along with the switch.

4. Multiple switches can be wirelessly connected to a single electronic horn generator, and by having workers around construction vehicles and heavy machinery, in addition to construction vehicle guides and heavy machinery guides, carry these devices, blind spots regarding hazards from construction vehicles and heavy machinery can be significantly reduced, dramatically improving the accuracy of hazard avoidance.

5. The wireless connection range between the switch and the electronic horn sound generator is approximately 10 meters in a straight line, although this depends on the operating environment. This ensures that radio interference does not occur even when multiple units of this invention are used at the same work site.

6. Considering the environment in which the product may be used, such as rainy weather or dusty conditions, both the switch and the electronic horn sound generator are waterproof and dustproof.

7. Both the switch and the electronic horn generator are battery-powered because a rechargeable power source would not allow for immediate response if the power runs out. The voltage drop (when it's time to replace the batteries) can be checked via an LED indicator.