Safety helmet wearing alarm device

Abstract

The utility model discloses a safety helmet wearing alarm device, which is applied to the field of safety helmets and comprises a safety helmet body, helmet belts are fixed on the safety helmet body, a helmet belt male buckle and a helmet belt female buckle are respectively fixed at one ends of the two helmet belts, and an infrared sensor and a timer are mounted on the inner wall of the safety helmet body. An installation groove is fixed to the outer wall of the safety helmet body, when the safety helmet is used, the infrared sensor can sense whether the safety helmet body is worn on the head of a constructor or not, then the infrared sensor transmits a signal to the control chip, the control chip enables the timer and the touch sensor to work, and within the specified time, the safety helmet body is driven by the timer and the touch sensor to work. For example, the touch sensor detects that the helmet belt male buckle and the helmet belt female buckle are in contact and fixed within thirty seconds, that is, it is indicated that the constructor does not correctly wear the safety helmet body, and at the moment, the control chip controls the audible and visual alarm to work and give out continuous and high-sound alarm sound.

Description

Technical Field

[0001] The utility model belongs to the technical field of safety helmets, in particular to a safety helmet wearing alarm device. Background Art

[0002] Safety helmets are the last life guarantee for on-site construction workers. However, nowadays, during construction projects, construction workers are sometimes unwilling to wear safety helmets properly, or even do not wear them at all, because ordinary safety helmets are hot, heavy and other reasons.

[0003] The Chinese utility model patent currently announced as CN218483844U discloses an alarm device for incorrectly wearing a helmet strap, which is provided with a helmet, a strap, a wire, a battery module, an infrared sensor, a control main board, and an alarm. Cavity bottom boxes are provided on the left and right sides of the outer shell of the helmet, and the battery module, the control main board and the alarm are respectively installed in the cavity bottom boxes. The infrared sensor installed on the top of the inner cavity of the helmet is used to monitor whether the personnel are wearing the helmet, and the male and female buckles on the strap are used to monitor whether the personnel are wearing the helmet strap. When it is not worn correctly, the alarm will sound an alarm to reflect that the construction personnel are wearing it correctly. It can also help safety management personnel to effectively supervise, quickly discover personnel who are not wearing the helmet correctly, and improve work efficiency.

[0004] When this patent is in use, when the construction workers put on the safety helmets, the alarm will continue to sound until the male and female buckles on the strap monitor whether the workers are wearing the safety helmet straps. The alarm will then stop sounding. The alarm time is long and the alarm sound will be issued indiscriminately, affecting the wearing experience of the construction workers. Utility Model Content

[0005] The purpose of the utility model is to provide a safety helmet wearing alarm device, which solves the problem that the existing safety helmet strap is not worn correctly, the alarm time is long and the alarm sound is emitted indiscriminately, affecting the wearing experience of construction workers.

[0006] The above technical purpose of the utility model is achieved through the following technical scheme: a safety helmet wearing alarm device comprises a safety helmet body, a chin strap is fixed on the safety helmet body, the number of the chin straps is two and they are symmetrically arranged, one end of the two chin straps are respectively fixed with a chin strap male buckle and a chin strap female buckle, the chin strap male buckle and the chin strap female buckle are arranged in coordination, an infrared sensor and a timer are installed on the inner wall of the safety helmet body, an installation groove is fixed on the outer wall of the safety helmet body, a control chip is fixedly installed inside the installation groove, a touch sensor is fixed on the chin strap female buckle, and an audio-visual alarm module is fixedly installed on the outer top of the safety helmet body.

[0007] By adopting the above technical scheme, by setting a safety helmet body, a chin strap, a male chin strap buckle, a female chin strap buckle, an infrared sensor, a timer, an installation slot, a control chip, a touch sensor and an audio-visual alarm module, when in use, the infrared sensor can first sense whether the safety helmet body is worn on the head of the construction worker, and then the infrared sensor transmits the signal to the control chip, and the control chip enables the timer and the touch sensor to work. Within the specified time, for example, within thirty seconds, the touch sensor detects that the male chin strap buckle and the female chin strap buckle are in contact and fixed, indicating that the construction worker has not correctly worn the safety helmet body. At this time, the control chip controls the audio-visual alarm to work, and emits a continuous and loud alarm sound to attract the attention of the wearer and surrounding people. At the same time, an obvious light signal is emitted by a flashing warning light to further remind the wearer to pay attention, thereby avoiding indiscriminate alarm sounds and affecting the wearing experience of the construction workers.

[0008] Further: protection blocks are arranged on both sides of the infrared sensor and the timer, the cross section of the protection block is L-shaped, and one end of the protection block is fixedly connected to the inner wall of the helmet body.

[0009] By adopting the above technical solution, by setting up protection blocks, when in use, two protection blocks are fixed on the inner wall of the safety helmet body. By fixing the infrared sensor and timer inside the two protection blocks, the infrared sensor and timer can be protected to prevent the construction workers' heads from causing damage to the infrared sensor and timer.

[0010] Furthermore: ventilation holes for ventilation are provided on the side wall of the helmet body, and the ventilation holes are in a plurality and are evenly arranged.

[0011] By adopting the above technical solution, ventilation holes are provided. When in use, the ventilation holes can exchange air inside and outside the helmet body, avoiding the construction workers from feeling stuffy when wearing the helmet, and reducing the discomfort of the construction workers when wearing the helmet body.

[0012] Further: a searchlight for lighting is installed on the outside of the helmet body.

[0013] By adopting the above technical solution, by setting up a searchlight, when construction workers are working at night, the searchlight can be used for lighting, thereby avoiding accidents caused by unclear vision when construction workers are working at night.

[0014] Furthermore: a battery module is detachably connected to the outer wall of the helmet body, and the battery module is electrically connected to the sound and light alarm module and the searchlight.

[0015] By adopting the above technical solution, a battery module is set up. When in use, the battery module can provide energy for the sound and light alarm module and the searchlight. Since the battery module and the helmet body are detachably installed, when the battery module is exhausted, it can be replaced for easy use.

[0016] Furthermore: a sponge strip is fixedly arranged inside the helmet body, and the sponge strips are in a plurality and are evenly arranged inside the helmet body.

[0017] By adopting the above technical solution, the sponge strip is provided. When in use, the sponge strip can protect the construction workers and prevent the construction workers from feeling uncomfortable when contacting hard objects when wearing the safety helmet body.

[0018] Furthermore: the number of the infrared sensors is four and they are symmetrically arranged on the inner wall of the helmet body.

[0019] By adopting the above technical solution, by setting the number of infrared sensors, four symmetrical infrared sensors are set inside the helmet body, so that the infrared sensors can monitor the wearing situation more accurately and avoid misjudgment.

[0020] Furthermore: the helmet body is made of carbon fiber material, and the top of the helmet body is streamlined.

[0021] By adopting the above technical solution, by setting the material of the helmet body to carbon fiber, the durability of the helmet is guaranteed and the burden on the wearer is reduced. The surface is designed to be streamlined, which can reduce wind resistance and improve wearing comfort.

[0022] In summary, the utility model has the following beneficial effects:

[0023] By setting a safety helmet body, a chin strap, a male chin strap buckle, a female chin strap buckle, an infrared sensor, a timer, an installation slot, a control chip, a touch sensor and an audio-visual alarm module, when in use, first the infrared sensor can sense whether the safety helmet body is worn on the head of the construction worker, and then the infrared sensor transmits the signal to the control chip, and the control chip enables the timer and the touch sensor to work. Within a specified time, for example, within thirty seconds, the touch sensor detects that the male chin strap buckle and the female chin strap buckle are in contact and fixed, indicating that the construction worker has not correctly worn the safety helmet body. At this time, the control chip controls the audio-visual alarm to work, and emits a continuous and loud alarm sound to attract the attention of the wearer and surrounding people. At the same time, an obvious light signal is emitted by a flashing warning light to further remind the wearer to pay attention, thereby avoiding indiscriminate alarm sounds and affecting the wearing experience of the construction workers.

[0024] By setting up protection blocks, when in use, two protection blocks are fixed on the inner wall of the helmet body. By fixing the infrared sensor and timer inside the two protection blocks, the infrared sensor and timer can be protected to prevent the construction workers' heads from causing damage to the infrared sensor and timer.

[0025] Based on the above-mentioned improvements, the overall technical effect achieved by the device is that it can only issue an alarm sound within a certain period of time after the construction workers put on the safety helmet body if the construction workers do not wear the safety helmet body correctly. The alarm sound will not be issued indiscriminately, thereby increasing the wearing experience of the construction workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a structural schematic diagram of the sound and light alarm module, the air vent and the battery module of the utility model;

[0028] Figure 3 It is a structural schematic diagram of a hat strap, a hat strap female buckle and a touch sensor of the utility model;

[0029] Figure 4 It is a structural schematic diagram of the helmet body, sponge strip and searchlight of the utility model;

[0030] Figure 5 The utility model Figure 4 Enlarged view of point A in the middle.

[0031] In the figure, 1. Safety helmet body; 2. Strap; 3. Male strap buckle; 4. Female strap buckle; 5. Infrared sensor; 6. Timer; 7. Mounting slot; 8. Control chip; 9. Touch sensor; 10. Sound and light alarm module; 11. Protection block; 12. Air vent; 13. Searchlight; 14. Battery module; 15. Sponge strip. DETAILED DESCRIPTION

[0032] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0033] Example:

[0034] See also Figure 1-Figure 5The utility model provides a technical solution: a safety helmet wearing alarm device, including a safety helmet body 1, a visor 2 is fixed on the safety helmet body 1, the number of visor 2 is two and they are symmetrically arranged, one end of the two visor 2 is respectively fixed with a visor male buckle 3 and a visor female buckle 4, the visor male buckle 3 and the visor female buckle 4 are arranged in coordination, an infrared sensor 5 and a timer 6 are installed on the inner wall of the safety helmet body 1, an installation groove 7 is fixed on the outer wall of the safety helmet body 1, a control chip 8 is fixedly installed inside the installation groove 7, a touch sensor 9 is fixed on the visor female buckle 4, and an audible and visual alarm module 10 is fixedly installed on the outer top of the safety helmet body 1.

[0035] By setting the helmet body 1, the chin strap 2, the chin strap male buckle 3, the chin strap female buckle 4, the infrared sensor 5, the timer 6, the mounting slot 7, the control chip 8, the touch sensor 9 and the sound and light alarm module 10, when in use, firstly, the infrared sensor 5 of model: GP2Y0A21YK0F can sense whether the helmet body 1 is worn on the head of the construction worker, and then the infrared sensor 5 transmits the signal to the control chip 8 of model: STM32F103, and the control chip 8 makes the timer 6 of model: NE555 and the touch sensor 9 of model: TTP223B The touch sensor 9 works. Within the specified time, for example, within thirty seconds, the touch sensor 9 detects that the male buckle 3 of the chin strap and the female buckle 4 of the chin strap are in contact and fixed, which indicates that the construction worker does not wear the safety helmet body 1 correctly. At this time, the control chip 8 controls the sound and light alarm of model: HC-103 to work, and emits a continuous and loud alarm to attract the attention of the wearer and surrounding people. At the same time, an obvious light signal is emitted through the flashing warning light to further remind the wearer to pay attention, thereby avoiding indiscriminate alarm sounds and affecting the wearing experience of the construction workers.

[0036] refer to Figure 5 Protection blocks 11 are provided on both sides of the infrared sensor 5 and the timer 6. The cross section of the protection block 11 is L-shaped. One end of the protection block 11 is fixedly connected to the inner wall of the safety helmet body 1. By providing the protection blocks 11, when in use, the two protection blocks 11 are fixed on the inner wall of the safety helmet body 1. By fixing the infrared sensor 5 and the timer 6 inside the two protection blocks 11, the infrared sensor 5 and the timer 6 can be protected to prevent the construction workers' heads from damaging the infrared sensor 5 and the timer.

[0037] refer to Figure 1 The side wall of the helmet body 1 is provided with ventilation holes 12 for ventilation. The number of the ventilation holes 12 is several and evenly arranged. By setting the ventilation holes 12, when in use, the ventilation holes 12 can exchange air inside and outside the helmet body 1, avoiding the construction workers from feeling stuffy when wearing it, and reducing the discomfort of the construction workers when wearing the helmet body 1.

[0038] refer to Figure 1 A searchlight 13 for lighting is installed on the outside of the helmet body 1. By setting the searchlight 13, when the construction workers work at night, the searchlight 13 can be used for lighting, avoiding accidents caused by unclear vision when the construction workers work at night.

[0039] refer to Figure 2 A battery module 14 is detachably connected to the outer wall of the helmet body 1, and the battery module 14 is electrically connected to the sound and light alarm module 10 and the searchlight 13. By setting the battery module 14, when in use, the battery module 14 can provide energy for the sound and light alarm module 10 and the searchlight 13. Since the battery module 14 and the helmet body 1 are detachably installed, when the energy of the battery module 14 is exhausted, it can be replaced, which is convenient for use.

[0040] refer to Figure 4 A sponge strip 15 is fixedly arranged inside the helmet body 1. The number of the sponge strips 15 is several and they are evenly arranged inside the helmet body 1. By setting the sponge strips 15, when in use, the sponge strips 15 can protect the construction workers and prevent the construction workers from feeling uncomfortable when touching hard objects when wearing the helmet body 1.

[0041] refer to Figure 4 There are four infrared sensors 5 and they are symmetrically arranged on the inner wall of the helmet body 1. By setting the number of infrared sensors 5 and setting four symmetrical infrared sensors 5 inside the helmet body 1, the infrared sensors 5 can monitor the wearing condition more accurately and avoid misjudgment.

[0042] refer to Figure 1 The helmet body 1 is made of carbon fiber material, and the top of the helmet body 1 is set to be streamlined. By setting the material of the helmet body 1 to carbon fiber, the durability of the helmet is guaranteed and the burden on the wearer is reduced. The surface is designed to be streamlined, which can reduce wind resistance and improve wearing comfort.

[0043] Brief description of the usage process:

[0044] When in use, first, the infrared sensor 5 can sense whether the helmet body 1 is worn on the head of the construction worker, and then the infrared sensor 5 transmits the signal to the control chip 8, and the control chip 8 enables the timer 6 and the touch sensor 9 to work. Within the specified time, for example, within thirty seconds, the touch sensor 9 detects that the male buckle 3 of the hood strap and the female buckle 4 of the hood strap are in contact and fixed, which indicates that the construction worker does not wear the helmet body 1 correctly. At this time, the control chip 8 controls the sound and light alarm to work, and emits a continuous and loud alarm sound to attract the attention of the wearer and the surrounding people. At the same time, the flashing warning light emits an obvious light signal to further remind the wearer to pay attention, avoiding the indiscriminate alarm sound and avoiding affecting the wearing experience of the construction workers.

[0045] Then, two protection blocks 11 are fixed on the inner wall of the helmet body 1. By fixing the infrared sensor 5 and the timer 6 inside the two protection blocks 11, the infrared sensor 5 and the timer 6 can be protected to prevent the construction workers' heads from damaging the infrared sensor 5 and the timer. When the construction workers work at night, the searchlight 13 can be used for lighting to prevent accidents caused by unclear vision when the construction workers work at night. The battery module 14 can provide energy for the sound and light alarm module 10 and the searchlight 13. Since the battery module 14 and the helmet body 1 are detachably installed, when the battery module 14 is exhausted, it can be replaced for easy use.

[0046] Finally, the battery module 14 can provide energy for the sound and light alarm module 10 and the searchlight 13. Since the battery module 14 and the helmet body 1 are detachably installed, when the battery module 14 is exhausted, it can be replaced for easy use. The sponge strip 15 can protect the construction workers and prevent them from feeling uncomfortable when touching hard objects when wearing the helmet body 1.

[0047] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A safety helmet wearing alarm device, comprising a safety helmet body (1), characterized in that: A chin strap (2) is fixed on the helmet body (1), the number of the chin straps (2) is two and they are symmetrically arranged, one end of the two chin straps (2) is respectively fixed with a chin strap male buckle (3) and a chin strap female buckle (4), the chin strap male buckle (3) and the chin strap female buckle (4) are arranged in coordination, an infrared sensor (5) and a timer (6) are installed on the inner wall of the helmet body (1), a mounting groove (7) is fixed on the outer wall of the helmet body (1), a control chip (8) is fixedly installed inside the mounting groove (7), a touch sensor (9) is fixed on the chin strap female buckle (4), and an audible and visual alarm module (10) is fixedly installed on the outer top of the helmet body (1).

2. The helmet wearing alarm device according to claim 1, characterized in that: Protection blocks (11) are arranged on both sides of the infrared sensor (5) and the timer (6); the cross section of the protection block (11) is L-shaped; one end of the protection block (11) is fixedly connected to the inner wall of the helmet body (1).

3. The helmet wearing alarm device according to claim 1, characterized in that: The side wall of the helmet body (1) is provided with ventilation holes (12) for ventilation, and the number of the ventilation holes (12) is multiple and evenly arranged.

4. The helmet wearing alarm device according to claim 1, characterized in that: A searchlight (13) for lighting is installed on the outside of the helmet body (1).

5. The helmet wearing alarm device according to claim 1, characterized in that: A battery module (14) is detachably connected to the outer wall of the helmet body (1), and the battery module (14) is electrically connected to the sound and light alarm module (10) and the searchlight (13).

6. The helmet wearing alarm device according to claim 1, characterized in that: A sponge strip (15) is fixedly arranged inside the helmet body (1), and the sponge strips (15) are in a plurality and are evenly arranged inside the helmet body (1).

7. The helmet wearing alarm device according to claim 1, characterized in that: The infrared sensors (5) are four in number and are symmetrically arranged on the inner wall of the helmet body (1).

8. The helmet wearing alarm device according to claim 1, characterized in that: The helmet body (1) is made of carbon fiber material, and the top of the helmet body (1) is configured to be streamlined.

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