Voltage detection device and system
By designing a safety system including detectors and notification devices, the safety hazards of workers exposed to high voltage and other dangerous situations in environments such as construction sites are solved, and effective detection and warning of high voltage environments are achieved, and workers' safety is improved.
Patent Information
- Application Number
- CN202380063379.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2022-12-15
- Filing Date
- 2023-09-11
- Publication Date
- 2025-04-11
AI Technical Summary
In environments such as construction sites, workers are often exposed to high voltages and other potentially dangerous situations, resulting in greater safety risks and it is difficult for existing technology to effectively detect and warn.
A security system including a first device and a second device is designed. The first device is equipped with a detector and a controller that can detect whether there is a high voltage in a nearby object and transmit an alarm signal to the second device through wireless communication, which sends a warning to the worker through notification devices (such as visual, audio, tactile alarms).
It effectively improves the safety of workers in high voltage and other dangerous environments, and reduces safety accidents caused by contact with high voltage by promptly warning workers.
Smart Images

Figure CN119816218A_ABST
Abstract
Description
[0001] Cross-references to related patent applications
[0002] This application claims the benefit of and priority to U.S. Provisional Application No. 63 / 387,571 filed on December 15, 2022, U.S. Provisional Application No. 63 / 381,829 filed on November 1, 2022, U.S. Provisional Application No. 63 / 380,311 filed on October 20, 2022, and U.S. Provisional Application No. 63 / 405,673 filed on September 12, 2022, the entire contents of each of the above U.S. provisional applications are incorporated herein by reference. Background Art
[0003] The present disclosure relates generally to the field of tools and worksite safety. The present disclosure relates specifically to voltage detection devices and related safety systems for use at a worksite. Summary of the invention
[0004] Various embodiments of the present invention are directed to voltage detection devices and / or related systems that include various features designed to enhance worker safety in various environments where workers may be exposed to high voltages and / or other potentially hazardous conditions.
[0005] One embodiment of the present invention relates to a safety system including a first device and a second device. The first device includes: a first housing including a pair of opposing protrusions extending toward each other; a first detector coupled to the first housing; and a first controller coupled to the first housing and in electrical communication with the first detector. The protrusion is configured to couple the first housing to a body of a safety helmet. The first detector is configured to generate a first signal in response to detecting that a nearby object has a current with a high voltage. The first controller is configured to transmit a second signal in response to receiving the first signal from the first detector. The second device includes: a second housing configured to be coupled to a brim of the safety helmet; a second controller coupled to the second housing and in electrical communication with the first controller; and a notification device physically coupled to the second housing and in electrical communication with the second controller. The second controller is configured to generate a third signal in response to receiving the second signal from the first controller. The notification device is configured to generate an alarm in response to the notification device receiving the third signal from the second controller.
[0006] Another embodiment of the present invention relates to a safety system, the safety system comprising: a hard hat, the hard hat including a shell formed of a rigid material; a first channel, the first channel is defined by the hard hat; and a first adapter, the first adapter is received in the first channel. The first adapter includes: an arm, the arm extending along a main longitudinal axis between a first end and an opposite second end; a platform, the platform is connected to the first end of the arm; a first protrusion, the first protrusion extending from a first side of the arm; a second protrusion, the second protrusion extending from the first side of the arm; and a third protrusion, the third protrusion extending from a second side of the arm opposite to the first side. The platform is configured to be connected to an accessory for a hard hat. The first protrusion includes a first coupling surface facing upward, the second protrusion includes a second coupling surface facing upward and away from the first protrusion, and the first protrusion and the second protrusion are closer to the second end of the arm than the third protrusion. At least one of the first coupling surface and the second coupling surface engages with the hard hat. The third protrusion includes a downward facing lower surface that engages against the hard hat.
[0007] Another embodiment of the present invention relates to a safety system, the safety system comprising: a hard hat including a shell formed of a rigid material; an adapter; and a first device, the first device is coupled to a platform. The adapter includes a housing, a pair of opposing protrusions extending from the housing toward each other, and a platform coupled to the housing. The protrusions couple the adapter to the housing. The first device includes: a first housing, the first housing is coupled to the platform; a first controller, the first controller is coupled to the first housing; and a first detector, the first detector is coupled to the first housing and is in electrical communication with the first controller. The first detector is configured to generate a first signal in response to detecting that a nearby object has a current with a high voltage.
[0008] Another embodiment of the present invention relates to a safety system including a first device and a second device. The first device includes: a first housing including a pair of opposing tongues extending toward each other, the tongues configured to couple the first housing to a front portion of a safety helmet; a first electronic device located within the first housing; a first detector coupled to the first housing and electrically coupled to the first electronic device, the first detector configured to detect a nearby object having an electric current with a high voltage; and a plurality of interface buttons electrically coupled to the first electronic device and configured to control the first detector. The second device includes: a second housing configured to couple to a brim of a safety helmet; a second electronic device located within the second housing, the second electronic device communicating with the first electronic device; and one or more notification devices physically coupled to the second housing and electrically coupled to the second electronic device, the one or more notification devices configured to generate an alarm in response to the second electronic device receiving a warning signal from the first electronic device.
[0009] Another embodiment of the present invention relates to a safety device, the safety device comprising: a first shell, the first shell comprising a pair of opposing tongues extending toward each other, the tongues configured to couple the first shell to a front portion of a safety helmet; a first electronic device, the first electronic device being located within the first shell; a first detector, the first detector coupled to the first shell and electrically coupled to the first electronic device, the first detector being configured to detect a nearby object having an electric current with a high voltage; a plurality of interface buttons, the plurality of interface buttons being electrically coupled to the first electronic device and configured to control the first detector; and one or more notification devices, the one or more notification devices being physically coupled to the first shell and electrically coupled to the first electronic device. The one or more notification devices are configured to generate an alarm in response to the first electronic device receiving a warning signal from the first detector.
[0010] Another embodiment of the present invention is directed to a safety device, comprising: a first housing; a first detector coupled to the first housing and electrically coupled to a first electronic device, the first detector configured to detect a nearby object having an electric current with a high voltage; a plurality of interface buttons electrically coupled to the first electronic device and configured to control the first detector; and one or more notification devices physically coupled to the first housing and electrically coupled to the first electronic device. The one or more notification devices are configured to generate an alarm in response to the first electronic device receiving a warning signal from the first detector.
[0011] Additional features and advantages will be set forth in the following detailed description, and in part will be readily apparent to those skilled in the art from the description or recognized by practicing the embodiments as described in the included written description and the accompanying drawings. It should be understood that both the foregoing general description and the following detailed description are exemplary.
[0012] The accompanying drawings are included to provide a further understanding and are incorporated into and constitute a part of this specification. The accompanying drawings illustrate one or more embodiments and together with the description serve to explain the principles and operation of the various embodiments. In addition, alternative exemplary embodiments are directed to other features and combinations of features as may be generally recited in the claims. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The present application will be more fully understood from the following detailed description considered in conjunction with the accompanying drawings, in which like reference numerals refer to like elements, and in which:
[0014] Figure 1 A security system according to an exemplary embodiment is depicted.
[0015] Figure 2 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Figure 1 security system.
[0016] Figure 3 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Figure 1 The first device of the safety system.
[0017] Figure 4 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Figure 1 The second device of the safety system.
[0018] Figure 5 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Figure 1 Block diagram of a first device and a second device of a security system.
[0019] Figure 6 A detection device according to another exemplary embodiment is depicted.
[0020] Figure 7 A security system according to another exemplary embodiment is depicted.
[0021] Figure 8 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Figure 7 security system.
[0022] Fig. 9 A security system according to another exemplary embodiment is depicted.
[0023] Fig.10A power tool according to another exemplary embodiment is depicted.
[0024] Fig.11 A security system according to another exemplary embodiment is depicted.
[0025] Fig.12 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Fig.11 security system.
[0026] Fig.13 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Fig.11 security system.
[0027] Fig.14 A security system according to another exemplary embodiment is depicted.
[0028] Fig.15 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Fig.14 security system.
[0029] Fig.16 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Fig.14 security system.
[0030] Fig.17 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Fig.14 security system.
[0031] Fig.18 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Fig.14 security system.
[0032] Fig.19 A security system according to another exemplary embodiment is depicted.
[0033] Fig. 20 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Fig.19 security system.
[0034] Fig.21 Depicted is a schematic diagram of an exemplary embodiment of the present invention. Fig.19 security system.
[0035] Fig. 22 is a perspective view of a safety device coupled to a safety helmet according to an exemplary embodiment.
[0036] Fig.23 According to an exemplary embodiment Fig. 22 A perspective view of a safety device viewed from below.
[0037] Fig.24 According to an exemplary embodiment Fig. 22 A perspective view of a safety device.
[0038] Fig.25 According to an exemplary embodiment Fig. 22 A perspective view of a portion of a safety device.
[0039] Fig.26 According to an exemplary embodiment Fig. 22 Front view of the safety device.
[0040] Fig. 27 According to an exemplary embodiment Fig. 22 Side view of the safety device.
[0041] Fig.28 According to an exemplary embodiment Fig. 22 A top view of the safety device.
[0042] Fig.29 According to an exemplary embodiment Fig. 22 Side view of the safety device.
[0043] Fig.30 is a perspective view of a safety device according to an exemplary embodiment.
[0044] Fig.31 According to an exemplary embodiment Fig.30 A perspective view of the safety system.
[0045] Fig.32 According to an exemplary embodiment Fig.30 Schematic top view of the safety system.
[0046] Fig.33 is coupled to an exemplary mounting member and along Fig.32 Line AA shows Fig.30 Cross-sectional view of the safety system.
[0047] Fig.34 is a perspective view of a mounting member for a safety device according to an exemplary embodiment.
[0048] Fig.35 According to an exemplary embodiment Fig.34 Front view of the mounting.
[0049] Fig.36 According to an exemplary embodiment Fig.34 A perspective view of the mounting parts.
[0050] Fig.37 According to an exemplary embodiment Fig.34 A perspective view of the mounting parts.
[0051] Fig.38According to an exemplary embodiment Fig.34 A perspective view of the mounting parts.
[0052] Fig.39 is a perspective view of a mounting member for a safety device according to an exemplary embodiment.
[0053] Fig.40 According to an exemplary embodiment Fig.39 A perspective view of the mounting parts.
[0054] Fig.41 is coupled to a safety helmet according to an exemplary embodiment Fig.39 Front view of the mounting.
[0055] Fig.42 According to an exemplary embodiment Fig.39 Front view of the mounting.
[0056] Fig.43 According to an exemplary embodiment Fig.39 A perspective view of the mounting parts.
[0057] Fig.44 According to an exemplary embodiment Fig.39 A perspective view of the mounting parts.
[0058] Fig.45 According to an exemplary embodiment Fig.39 A perspective view of the mounting parts.
[0059] Fig.46 is a side view of a mount for a safety device according to an exemplary embodiment.
[0060] Fig.47 is coupled to a safety helmet according to an exemplary embodiment Fig.46 A perspective view of the mounting parts.
[0061] Fig.48 According to an exemplary embodiment Fig.46 A perspective view of the mounting parts.
[0062] Fig.49 According to an exemplary embodiment Fig.46 A perspective view of the mounting parts.
[0063] Fig.50 According to an exemplary embodiment Fig.46 Top view of the mounting parts.
[0064] Fig.51 According to an exemplary embodiment Fig.46 Side view of the mounting.
[0065] Fig.52 According to an exemplary embodiment Fig.46 A perspective view of the mounting parts.
[0066] Fig.53 According to an exemplary embodiment Fig.46 A perspective view of the mounting parts.
[0067] Fig.54 is a front view of a mounting for a safety device shown coupled to a safety helmet according to an exemplary embodiment.
[0068] Fig.55 According to an exemplary embodiment Fig.54 A perspective view of the mounting parts.
[0069] Fig.56 According to an exemplary embodiment Fig.54 A perspective view of the mounting parts.
[0070] Fig.57 According to an exemplary embodiment Fig.54 A perspective view of the mounting parts.
[0071] Fig.58 is a perspective view of a security system according to another exemplary embodiment.
[0072] Fig.59 According to an exemplary embodiment Fig.58 A perspective view of the safety system.
[0073] Fig.60 According to an exemplary embodiment Fig.58 A perspective view of a portion of a security system.
[0074] Fig.61 According to an exemplary embodiment Fig.58 Top view of the safety system.
[0075] Fig.62 According to an exemplary embodiment Fig.58 Front view of the security system.
[0076] Fig.63 According to an exemplary embodiment Fig.58 Side view of the security system.
[0077] Fig.64 is a perspective view of a security system according to another exemplary embodiment.
[0078] Fig.65 According to an exemplary embodiment Fig.64 Top view of the safety system.
[0079] Fig.66 According to an exemplary embodiment Fig.64 Side view of a cross section of a security system.
[0080] Fig.67 A vehicle having a headlamp according to an exemplary embodiment Fig.64 Front view of the security system.
[0081] Fig.68 According to an exemplary embodiment Fig.67 A perspective view of the headlight.
[0082] Fig.69 According to an exemplary embodiment, another headlamp Fig.64 A perspective view of the safety system.
[0083] Fig.70 According to an exemplary embodiment, Fig.68 Headlight Fig.64 A perspective view of the safety system.
[0084] Fig.71 is a perspective view of a safety helmet according to an exemplary embodiment.
[0085] Fig.72 According to an exemplary embodiment, Fig.71 Safety helmet Fig.64 A perspective view of the safety system. DETAILED DESCRIPTION
[0086] Referring generally to the drawings, various embodiments of voltage detection devices and related safety systems are provided. One or more of the systems and devices described herein are intended to improve safety in a work environment, such as by detecting objects that conduct high voltage and / or other hazards. Various embodiments described herein are combined with other objects worn by workers to provide warnings and / or signals indicating when a worker is near an object conducting high voltage current.
[0087] Applicants have developed a voltage detection device that is coupled to a safety helmet, such as directly coupled to the safety helmet or coupled to an adapter configured to be coupled to the safety helmet. In an exemplary embodiment, the voltage detection device includes a first device coupled to the outer shell of the safety helmet and a second device coupled to the brim. The first device includes a detector for detecting a hazardous condition, and the second device includes one or more notification devices. In another exemplary embodiment, the voltage detection device is coupled to an adapter coupled to a channel defined by the safety helmet. In another exemplary embodiment, the voltage detection device is coupled to an adapter coupled to the front of the safety helmet.
[0088] Reference Figures 1 to 5 , showing various aspects of a safety system 110. The safety system 110 includes a first device 120 and a second device 150. In various embodiments, the first device 120 and the second device 150 are different from each other, such as by not directly engaging each other and being coupled to the safety helmet 190 at different locations.
[0089] In use, the safety system 110 is mechanically coupled to a safety helmet 190, such as a hard hat, in a removable and reversible manner. The safety helmet 190 includes a body 192, such as an outer shell formed of a rigid material, surrounding an upper portion of the wearer's head, a front 194 of the body 192, a brim 196 extending forward from the body 192, and ribs 198. In various embodiments, the ribs 198 extend away from each other and extend circumferentially around a portion of the front 194 of the body 192.
[0090] The first device 120 is coupled to a front portion 194, such as a rib 198, of the safety helmet 190. For example, the first device 120 includes a housing 122 including a pair of opposing protrusions 130 extending toward each other, the protrusions 130 configured to couple the first housing 122 to the front portion 194, such as a rib 198, of the body 192 of the safety helmet 190. In various embodiments, the housing 122 defines a back surface 132 facing away from the second device 150, and the pair of protrusions 130 extend on the back surface 132. In various embodiments, the first device 120 includes a first housing 122, a controller 124 (e.g., internal wiring and / or circuitry), a detector 126, and / or one or more interface buttons 128 electrically coupled to the controller 124 and configured to control the detector 126 and / or the controller 124. The detector 126 is configured to detect whether an object, such as a nearby object, has a current with a high voltage. In various embodiments, the detector 126 is configured to generate a signal (e.g., signal 170) that is communicated with the controller 124. In various embodiments, the controller 124 is coupled to the housing 122 and is in electrical communication with the detector 126, and the controller 124 is configured to transmit a second signal (e.g., signal 172) in response to receiving the signal (e.g., signal 170) from the detector 126. In various embodiments, the first device 120 transmits and receives signals, such as wireless signals, via the communication system 121, and the second device 150 transmits and receives signals, such as wireless signals, via the communication system 153. In various embodiments, one or both of the communication system 121 and the communication system 153 include an antenna to facilitate wireless communication.
[0091] The second device 150 includes: a housing 152 configured to be coupled to a brim of a safety helmet (e.g., brim 196 of safety helmet 190); a controller 154 coupled to the housing 152 and in electrical communication with the controller 124 (e.g., the controller 124 and the controller 154 are in wireless communication with each other); and one or more notification devices 157, 158, 159, which are physically coupled to the housing 152 and in electrical communication with the controller 154. In various embodiments, the controller 154 is configured to generate a signal (e.g., signal 174) in response to receiving a signal (e.g., signal 172) from the controller 124. In various embodiments, one or more of the notification devices 157, 158, 159 is configured to generate an alarm in response to the corresponding notification device 157, 158, 159 receiving a signal (e.g., signal 174) from the controller 154. In various embodiments, the alarm includes a first alarm selected from the group consisting of a visual alarm (e.g., a flashing light) and an audio alarm (e.g., a buzzing signal, a chirp). In various embodiments, the alarm includes a tactile signal (e.g., the notification device 159 vibrates). In various embodiments, the notification device 157 is configured to emit a visual alarm, the notification device 158 is configured to emit an audio alarm, and the notification device 159 is configured to emit a tactile alarm. In various embodiments, the housing 152 defines a lower surface 168, and one or more of the notification devices 157, 158, 159 are coupled to the lower surface 168. For example, in various embodiments, the notification device 157 that emits a visual alarm is coupled to the lower surface 168 so that the user sees the visual alarm in response to the notification device 157 receiving the signal 174 from the controller 154.
[0092] The coupling mechanism 160 of the second device 150 couples the second device 150 to the safety helmet 190, such as the brim 196 of the safety helmet 190. In various embodiments, the coupling mechanism 160 includes an aperture 162 and a protrusion 164 extending into the aperture 162. In various embodiments, a portion of the brim 196 extends within the aperture 162, and the protrusion 164 engages the brim 196 to bias the second device 150 to remain coupled to the brim 196. In various embodiments, the aperture 162 and the protrusion 164 are configured to jointly couple the second device 150 to the brim 196 of the safety helmet 190.
[0093] In various embodiments, the second device 150 includes a second housing 152, a second controller 154 (e.g., internal wiring and / or circuitry), and / or one or more notification devices 157, 158, 159 physically coupled to the second housing 152 and electrically coupled to the second controller 154. In response to receiving a signal that the detector 126 detects a dangerous condition (e.g., high voltage), the notification device 157, 158, 159 is configured to provide one or more of an audio alarm (e.g., an alarm sound), a visual alarm (e.g., light and / or flashing light, such as light and / or flashing light via a brim-mounted LED), and / or a tactile signal (e.g., vibration).
[0094] In use, the first controller 124 of the first device 120 communicates, such as wirelessly, with the second controller 154 of the second device 150. When the detector 126 detects a dangerous condition, the first controller 124 sends a signal to the second controller 154 to generate an alarm.
[0095] Reference Figure 5 , a block diagram of a first device 120 and a second device 150 is provided. In use, the detection device 126 generates a signal 170 in response to detecting that a nearby object has a current with a high voltage (e.g., one or more currents with a high voltage). The controller 124 of the device 120 generates a signal 172 in response to receiving the first signal 170. The controller 154 of the device 150 generates a signal 174 in response to receiving the signal 172. One or more of the notification devices 157, 158, and 159 generates an alarm in response to receiving the signal 174.
[0096] Reference Figure 6 , shows a security device 210 according to an exemplary embodiment. The security device 210 is substantially the same as the security system 110 except for the differences discussed herein.
[0097] In short, the security device 210 includes the components and functions of the first device 120 and / or the second device 150. In particular, the security device 210 includes one or more notification devices 230 coupled to the housing 220. The notification device 230 is the same and / or similar to the notification devices 157, 158, 159 on the second device 150.
[0098] Reference Figures 7 and 8 , illustrates a security system 260 according to an exemplary embodiment. Security system 260 is substantially the same as security system 110 except for the differences discussed herein.
[0099] Briefly, the safety system 260 includes a headlight. Specifically, the first device 270 is the same or similar to the first device 120 except that the headlight 280 is coupled to the first device 270. For example, arms 274 extend upwardly from a housing 272 of the first device 270, and the headlight 280 is coupled between the arms 274, such as pivotally coupled between the arms 274.
[0100] The safety system 260 includes a power source 290 and an electric wire 292. The electric wire 292 electrically couples the power source 290 to the headlight 280 and / or the detector, thereby providing the power from the power source 290 to the headlight 280 and / or the detector of the first device 270.
[0101] Reference Fig. 9 , a security system 310 is shown according to an exemplary embodiment. Except for the differences discussed herein, the security system 310 is substantially the same as the security system 110 or the security system 260. In particular, the first device 320 is substantially the same as the first device 120 except for the differences discussed herein.
[0102] When the first device 320 detects a dangerous condition, such as high voltage nearby, a warning signal is transmitted to the power tool 350, such as wirelessly transmitted to the power tool 350. In various embodiments, one or more functions of the power tool 350 are disabled due to receiving the warning signal. For example, an operating component 352 (e.g., a gripper, a drill) of the power tool 350 is disabled in response to receiving the warning signal.
[0103] Reference Fig.10 , a power tool 360 is shown according to an exemplary embodiment. The power tool 360 is substantially the same as the safety system 310 except for the differences discussed herein.
[0104] In short, the power tool 360 includes the components and functions of the first device 320 of the safety system 310 and / or the power tool 350. For example, the power tool 360 includes a first detector 376 coupled to the housing 370 of the power tool 360. When the detector 376 detects a dangerous condition, one or more functions on the power tool 360 are disabled. In various embodiments, the power tool 360 includes a housing 370, a power source 372 (e.g., a battery), an operating component 374 (e.g., a gripper, a drill), a detector 376, and / or a first electronic device 378 (e.g., internal wiring and / or circuitry).
[0105] Reference Figures 11 to 13 , illustrates a security system 410 according to an exemplary embodiment. Security system 410 is substantially the same as security system 110 except for the differences discussed herein.
[0106] The security system 410 includes a first device 420 configured to be coupled to a personal electronic device 450, such as a mobile phone or a tablet computer. The first device 420 includes a housing 422 (e.g., a back plate), a rib 424 configured to couple the personal electronic device 450 to the housing 422, an electrical interface 426 configured to electrically couple the first device 420 to the personal electronic device 450 (e.g., via a plug), one or more interface buttons 428, and one or more detectors 430.
[0107] In various embodiments, the personal electronic device 450 includes a display that includes a shown entire image 452. The entire image 452 includes a base image 454 that is an object captured by a camera on the personal electronic device 450, and the entire image 452 includes an enhanced image 456 that is added to the entire image 452 by the first device 420.
[0108] For example, first device 420 detects a hazardous condition and transmits this information to personal electronic device 450 via electrical interface 426. Personal electronic device 450 enhances entire image 452 to include one or more indications of the hazardous condition.
[0109] In an alternative embodiment, the handheld device may be a single-purpose, all-in-one device that includes the detection functionality of the first device 420 and the display technology of the personal electronic device 450 .
[0110] Reference Figures 14 to 18 , a security system 460 is shown according to an exemplary embodiment. Except for the differences discussed herein, the security system 460 is substantially the same as the security system 110, the security system 260, the security system 310, or the security system 410. For example, the first device 470 is substantially the same as the first device 120 of the security system 110.
[0111] In particular, the module 480 is detachably coupled to the first device 470. The module 480 includes a detector 484 and an electronic device 486 coupled to a housing 482. In various embodiments, the module 480 is in communication with the first device 470, such as wireless communication.
[0112] Reference Figures 16 to 18 Module 480 can be attached to various devices to facilitate detection of dangerous conditions, such as by placing module 480 closer to the condition without requiring personnel to move closer. For example, module 480 can be connected to an insulating operating rod ( Fig.16 ), connected to the front of the vehicle ( Fig.17 ) to create a safety zone and / or to be connected to clothing worn by workers ( Fig.18 ).
[0113] Reference Figures 19 to 21 , shows a security system 510 according to an exemplary embodiment. Security system 510 is substantially the same as security system 110, security device 210, security system 260, security system 310, or security system 410, except for the differences discussed herein.
[0114] The security system 510 includes a first device 520. In various embodiments, the first device 520 is substantially the same as the first device 120 and / or the first device 210. The first device 520 wirelessly communicates with a personal wearable device 530, such as a watch. The personal wearable device 530 includes a notification device 536 and an electronic device 534 located within and / or coupled to a housing 532.
[0115] Reference Figure 22 to Figure 29 , a security device 620 is shown according to an exemplary embodiment. The security device 620 is substantially the same as the security system 110, the security device 210, the security system 260, the security system 310, the security system 410, or the security system 510, except for the differences discussed herein.
[0116] The safety device 620 is configured to be coupled to the safety helmet 190, such as the front of the safety helmet 190. The safety device 620 includes a coupling structure 650 including ribs 652. In various embodiments, the ribs 652 extend toward each other and engage with corresponding tongues extending from the safety helmet 190.
[0117] The safety device 620 includes a housing 622 and a voltage detector 624 coupled to the housing 622 and configured to detect whether an object has a current with a high voltage. The safety device 620 includes a lighting module 626 (e.g., an LED light), a top cover 628 coupled to the top of the housing 622, a tactile module 630, and a speaker 632. One or more of the lighting module 626, the tactile module 630, and the speaker 632 are configured to issue a warning and / or signal to a user when the safety device 620 detects an event, such as a nearby object having a current with a high voltage.
[0118] In various embodiments, the safety device 620 includes three lighting modules 626 located at the left, center, and right sides in front of the user, and one or more of the lighting modules 626 are angled inwardly toward the user, thereby providing better visibility for the user to see the emitted light. In various embodiments, the lighting modules 626 are positioned in the user's field of view (see Fig.26). In various embodiments, the haptic module 630 is positioned in the center of the safety device 620. In various embodiments, the speaker 632 is positioned on the opposite side of the safety device 620, and is therefore positioned near the user's ear so that the user can hear any sound emitted by the speaker 632 (see Fig. 27 ).
[0119] Reference Figure 30 to Figure 33 , a security device 720 is shown according to an exemplary embodiment. Security system 720 is substantially the same as security system 110, security device 210, security system 260, security system 310, security system 410, security system 510, or security device 620, except for the differences discussed herein.
[0120] The safety device 720 includes a housing 721, a controller 723 coupled to the housing 721, a voltage detector 722 coupled to the housing 721 and in electrical communication with the controller 723, an upper male coupling 724, a side male coupling 726, and a magnet 728. The detector 722 is configured to generate a first signal in response to detecting that a nearby object has a current with a high voltage. In various embodiments, one or more of the upper male coupling 724 and the side male coupling 726 is a protrusion configured to be received in a corresponding recess or aperture, such as a square protrusion. In various embodiments, the safety device 720 includes an upper male coupling 724 extending from a first surface 725 of the housing 721 and a side male coupling 726 extending from a second surface 727 of the first housing 721 that is different from the first surface 725.
[0121] In various embodiments, the security device 720 includes a magnet 728 configured to magnetically bias the security device 720 to remain coupled to another object, such as an adapter 742 ( Figures 34 to 38 )、Adapter 752( Figure 39 to Figure 45 )、Mounting parts 762( Figures 46 to 53 ) and mounting piece 772( Figure 54 to Figure 57 ).
[0122] Reference Figure 34 to Figure 38 , shows a security system 740 according to an exemplary embodiment. Security system 740 is substantially the same as security system 110, security device 210, security system 260, security system 310, security system 410, security system 510, or security device 620, except for the differences discussed herein.
[0123] The safety system 740 includes an adapter 742, a safety device 720, a safety helmet 190, and a channel 199 defined by the safety helmet 190. The adapter 742 is received in the channel 199. The adapter includes an arm 780 extending along a main longitudinal axis 781 between a first end 782 and an opposite second end 783 and a platform 743 coupled to the first end 782 of the arm 780. The arm 780 of the adapter 780 also includes a first protrusion 786 extending from a first side 784 of the arm 780, a second protrusion 789 extending from the first side 784 of the arm 780, and a third protrusion 792 extending from a second side 785 of the arm 780 opposite to the first side 784. The platform 743 is configured to be coupled to an accessory for a safety helmet (e.g., the safety device 720). The first protrusion 786 includes a first coupling surface 787 facing upward, and the second protrusion 789 includes a second coupling surface 790 facing upward and away from the first protrusion 786. The first and second protrusions 786, 789 are closer to the second end 783 of the arm 780 than the third protrusion 792. In use, at least one of the first and second coupling surfaces 787, 790 engages with the safety helmet 190 to secure the adapter 742 to the safety helmet 190. The third protrusion 792 includes a downwardly facing lower surface 793 that engages against the safety helmet 190.
[0124] The platform 743 of the adapter 742 includes a female coupler 744 configured to receive one of the upper male coupler 724 and the side male coupler 726 to thereby couple (e.g., rigidly couple) the safety device 720 to the adapter 742. In various embodiments, the female coupler 744 faces away from the first side 784 of the arm 780. The adapter 742 includes one or more internal ribs 746 extending away from the user's head. The internal ribs 746 are configured to engage with the safety helmet 190, thereby securing the adapter 742 to the safety helmet 190. The adapter 742 also includes a third protrusion 792 extending away from the user's head. The safety device 720 can be in a vertical orientation ( Fig.37 ) or a horizontal orientation different from the vertical orientation ( Fig.38 ) is coupled to the adapter 742, the side male coupler 726 is coupled to the female coupler 744 in a vertical orientation, and the upper male coupler 724 is coupled to the female coupler 744 in a horizontal orientation. In various embodiments, when the safety device 720 is in a first orientation, the upper male coupler 724 is coupled to the platform 743, and when the safety device 720 is in a second orientation, the side male coupler 726 is coupled to the platform 743. In various embodiments, the third protrusion 792 extends from the second side 785 of the arm 780 further than the first protrusion 786 and the second protrusion 789 extend from the first side 784 of the arm 780.
[0125] Reference Figure 39 to Figure 45 , a security system 750 is shown according to an exemplary embodiment. Security system 750 is substantially the same as security system 110, security device 210, security system 260, security system 310, security system 410, security system 510, security device 620, or security system 740, except for the differences discussed herein.
[0126] The safety system 750 includes an adapter 752, a safety device 720, and a safety helmet 190. The adapter 752 includes a platform 751 including a female coupler 754 configured to receive one of the upper male coupler 724 and the side male coupler 726 to thereby couple (e.g., rigidly couple) the safety device 720 to the adapter 752. In various embodiments, the female coupler 754 is configured to face away from the safety helmet 190. The adapter 752 includes a protrusion 756 configured to couple the adapter 752 to the safety helmet 190. In various embodiments, the protrusions 756 extend toward each other and engage with corresponding tongues extending from the safety helmet 190 (e.g., to the outer shell of the safety helmet 190). The safety device 720 can be in a vertical orientation ( Fig.44 ) or horizontal orientation ( Fig.45 ) is coupled to the adapter 752, in a vertical orientation, the side male coupler 726 is coupled to the female coupler 754, and in a horizontal orientation, the upper male coupler 724 is coupled to the female coupler 754. In various embodiments, the shell 753 defines a back surface 757 facing the safety helmet 190, and a pair of protrusions 756 extend on the back surface 757.
[0127] Reference Figures 46 to 53 , a security system 760 is shown according to an exemplary embodiment. Security system 760 is substantially the same as security system 110, security device 210, security system 260, security system 310, security system 410, security system 510, security device 620, security system 740, or security system 750, except for the differences discussed herein.
[0128] Safety system 760 includes a mount 762 and a safety device 720. Mount 762 includes a female coupler 764 configured to receive one of upper male coupler 724 and side male coupler 726 to thereby couple (e.g., rigidly couple) safety device 720 to mount 762. Mount 762 includes a female coupler 764 configured to receive one of upper male coupler 724 and side male coupler 726 to thereby couple (e.g., rigidly couple) safety device 720 to mount 762. Mount 762 includes a female coupler 764 configured to couple mount 762 to a safety helmet 190, such as a brim of a safety helmet 190. Fig.47 ) of the rib 766. The safety device 720 can be oriented vertically ( Fig.52 ) or horizontal orientation ( Fig.53) is connected to the mounting member 762, in the vertical orientation, the side male connector 726 is connected to the female connector 764, and in the horizontal orientation, the upper male connector 724 is connected to the female connector 764.
[0129] Reference Figure 54 to Figure 57 , a security system 770 is shown according to an exemplary embodiment. Security system 770 is substantially the same as security system 110, security device 210, security system 260, security system 310, security system 410, security system 510, security device 620, security system 740, security system 760, or security system 770, except for the differences discussed herein.
[0130] The safety system 770 includes a mount 772 and a safety device 720. The mount 772 includes a female coupler 774 configured to receive one of the upper male coupler 724 and the side male coupler 726 to thereby couple (e.g., rigidly couple) the safety device 720 to the mount 772. The mount 772 includes a band, shown as an elastic band 776, configured to couple the mount 772 to the safety helmet 190, such as by wrapping the elastic band 776 around the safety helmet 190 to couple the mount 772 to the safety helmet 190 ( Fig.54 The safety device 720 can be oriented vertically ( Fig.56 ) or horizontal orientation ( Fig.57 ) is connected to the mounting member 772, in the vertical orientation, the side male connector 726 is connected to the female connector 774, and in the horizontal orientation, the upper male connector 724 is connected to the female connector 774.
[0131] In various embodiments, the detectors described herein can detect high voltage, high or low temperatures, hazardous gases, and / or additional data about nearby electrical currents.
[0132] Reference Figure 58 to Figure 63 , a security system 810 is shown according to an exemplary embodiment. Security system 810 is substantially the same as security system 110, security device 210, security system 260, security system 310, security system 410, security system 510, security device 620, security system 740, security system 750, or security system 760, except for the differences discussed herein.
[0133] The safety system 810 includes a first device 820. The first device 820 is coupled to the front portion 194 of the body 192 of the safety helmet 190. The first device 820 includes a housing 822 and a tongue 830 extending toward each other from the housing 822, the tongue 830 engaging with the rib 198 of the safety helmet 190. In particular, the tongue 830 of the first device 820 engages within a channel 199 of the safety helmet 190 defined between the rib 198 and the body 192. The first device 820 slides downward toward the brim 196 of the safety helmet 190 when the tongue 830 engages the rib 198.
[0134] The first device 820 includes a locking element 850 slidably coupled to the housing 822. The locking element 850 is slidably coupled to the housing 822 of the first device 820 in an engaged position and a disengaged position ( Fig.58 ). In various embodiments, the locking element 850 engages with a protrusion extending forward from the safety helmet to lock the first device 820 to the safety helmet 190. When the locking element 850 is in the engaged position, the housing 822 is biased against sliding upward away from the brim 196, and thus the first device 820 remains coupled, such as rigidly coupled, to the safety helmet 190. In particular, the first device 820 is coupled to the safety helmet 190 via three points, namely, the two tongues 830 engage the two ribs 198 and the locking element 850 engages the protrusion extending forward from the safety helmet 190. When the locking element 850 is in the unengaged position, the housing 822 is allowed to slide upward away from the brim 196, thereby allowing the first device 820 to be disconnected from the safety helmet 190.
[0135] In various embodiments, the security system 810 includes a first device 820, a battery 860, and a wire 862 electrically coupling the battery 860 to the first device 810. In various other embodiments, the security system 810 does not include the battery 860 and the wire 862, and thus includes only the first device 820.
[0136] In various embodiments, the first device 820 includes one or more interface buttons 828 that the user can manipulate to control, configure, and turn on and off the first device 820. The first device 820 includes one or more notification devices shown as a speaker 840 and an LED array 842. In various embodiments, the speaker 840 is oriented to emit sound forward. In use, when the first device 820 detects a safety condition, such as a sufficiently strong (e.g., high voltage and / or high amperage) approaching current, one or more of the notification devices are triggered to alert the user. In various embodiments, the user can manipulate the interface button 828 to adjust how the first device 820 provides notification of the safety condition (e.g., switching between silencing the alarm, emitting only an audible warning, emitting only a visual warning, and / or emitting both an audible warning and a visual warning).
[0137] Reference Figure 59 to Figure 60 In various embodiments, the first device 820 includes an LED array 842, a light pipe 844, and a light emission panel 846. In use, the LED array 842 is turned on and emits light into the light pipe 844, which transmits the light laterally (e.g., via reflection and / or refraction) along the length of the light pipe 844. The light pipe 844 transmits the light into and through the light emission panel 846, thereby allowing a user to see that the LED array 842 has been turned on to indicate a nearby hazardous electrical condition.
[0138] Reference Fig.61 , the first device 820 detects a safety condition of a nearby current via a detector 826. In use, the detector 826 detects whether there is a nearby current that is sufficiently strong (eg, high voltage and / or high amperage).
[0139] Reference Figures 64 to 72 , a security system 910 is shown according to an exemplary embodiment. Security system 910 is substantially the same as security system 110, security device 210, security system 260, security system 310, security system 410, security system 510, security device 620, security system 740, security system 750, security system 760, or security system 810, except for the differences discussed herein.
[0140] The safety system 910 includes a first device 920. The first device 920 is coupled to the front portion 194 of the body 192 of the safety helmet 190. The first device 920 includes a housing 922 and a tongue 930 extending from the housing 922 toward each other, the tongue 930 engaging with the rib 198 of the safety helmet 190. In particular, the tongue 930 of the first device 920 engages within a channel 199 of the safety helmet 190 defined between the rib 198 and the body 192. The first device 920 slides downward toward the brim 196 of the safety helmet 190 when the tongue 930 engages the rib 198.
[0141] The first device 920 includes a locking element 950 slidably coupled to the housing 922. The locking element 950 is in an unengaged position ( Figure 64 to Figure 65 ) and the joint position ( Fig.66 In various embodiments, the locking element 950 engages with a protrusion 191 extending forward from the safety helmet 190 to lock the first device 920 to the safety helmet 190.
[0142] The first device 920 detects a safety condition of a nearby electric current via the detector 926. In use, the detector 926 detects whether there is a sufficiently strong (eg, high voltage and / or high amperage) nearby electric current.
[0143] Reference Fig.65 , the first device 920 includes one or more interface buttons 928 that a user can manipulate to control, configure, and open and close the first device 920. In various embodiments, the interface buttons 928 are very large relative to the housing 922, thereby making it easy for the user to press the interface buttons 928 even when the user is wearing bulky gloves.
[0144] The first device 920 includes a first upper interface button 940 and a second upper interface button 942 extending from the upper surface 912 of the housing 922. In various embodiments, the first upper interface button 940 and the second upper interface button 942 are located on opposite halves of the housing 922 and each covers a majority of its respective half of the upper surface 912 of the housing 922. For example, the first upper interface button 940 extends across a majority of the upper surface 912 on the first half 916 of the housing 922, and the second upper interface button 942 extends across a majority of the upper surface 912 of the second half 918 of the housing 922. In various embodiments, the first front interface button 944 and the second front interface button 946 are located on opposite halves of the housing 922 and each covers a majority of its respective half of the front surface 914 of the housing 922. For example, the first front interface button 944 extends across a majority of the front surface 914 on the first half 916 of the housing 922, and the second front interface button 946 extends across a majority of the front surface 914 of the second half 918 of the housing 922. In various embodiments, the first device 920 includes a mute button 948 located on the front surface 914 of the housing 922 that is configured to mute an alarm (e.g., stop a visual alarm and / or an audio alarm generated by the first device 920).
[0145] Reference Figure 67 to Figure 68 , the first device 920 can be coupled to the safety helmet 190 in combination with the headlight 960 or the headlight 968. In various embodiments, the headlight 960 or the headlight 968 is coupled to the base 962, which includes a tongue 964 that slidably engages with the rib 198 of the safety helmet 190 so that the headlight 960 or the headlight 968 is positioned above the first device 920. In various embodiments, the protrusion 966 extending from the base 962 is aligned with the protrusion 932 ( Fig.66 ) are engaged. Headlamp 960 and headlamp 968 each include one or more light emitting elements.
[0146] Reference Fig.69 , the first device 920 can be coupled to the safety helmet 190 in combination with a headlamp 970. In various embodiments, the headlamp 970 is coupled to a base 972 that is slidably engaged with a rib 198 of the safety helmet 190 so that the headlamp 970 is positioned above the first device 920. The headlamp 970 includes one or more light emitting elements. The headlamp 970 is electrically coupled to a battery 976 via a wire 974. The battery 976 is coupled to the safety helmet 190, such as a rear portion of the safety helmet 190 opposite to the front portion of the safety helmet 190.
[0147] Reference Fig.70, the first device 920 can be coupled to the safety helmet 190 in combination with a headlight 980. In various embodiments, the headlight 980 is coupled to the safety helmet 190 via an elastic band 982 extending around the safety helmet 190. The headlight 980 includes one or more light emitting elements.
[0148] Reference Figure 71 to Figure 72 , the first device 920 can be coupled to a safety helmet 990 that does not include a brim. In particular, the tongue portion of the first device 920 is slidably engaged with the rib 992 of the safety helmet 990.
[0149] It should be understood that the drawings illustrate exemplary embodiments in detail, and it should be understood that the present application is not limited to the details or methods set forth in the description or illustrated in the drawings. It should also be understood that the terminology is used for descriptive purposes only and should not be considered as limiting.
[0150] In view of this description, other modifications and alternative embodiments of various aspects of the present disclosure will be obvious to those skilled in the art. Therefore, this description is interpreted as illustrative only. The construction and arrangement shown in various exemplary embodiments are only illustrative. Although only a few embodiments have been described in detail in the present disclosure, many modifications (for example, variations in the size, size, structure, shape and proportion of various elements, the value of parameters, the installation arrangement, the use of materials, colors, orientations, etc.) are possible without substantially departing from the novel teachings and advantages of the subject matter described herein. Some elements shown as integrally formed can be constructed by multiple parts or elements, the position of the elements can be reversed or otherwise changed, and the nature or number of discrete elements or positions can be changed or changed. The order or sequence of any process, logical algorithm or method steps can be changed or reordered according to alternative embodiments. Without departing from the scope of the present disclosure, other replacements, modifications, changes and omissions can also be made in the design, operating conditions and arrangements of various exemplary embodiments.
[0151] Unless otherwise expressly stated, it is by no means intended that any method set forth herein be interpreted as requiring that its steps be performed in a particular order. Therefore, in the event that a method claim does not actually recite the order in which its steps are to be followed or in the event that the steps are not otherwise specified in the claim or description to be limited to a particular order, it is by no means intended to infer any particular order. In addition, as used herein, the article "a" is intended to include one or more parts or elements, and is not intended to be interpreted as meaning only one. As used herein, "rigidly coupled" refers to two parts being coupled so that the parts move together in a fixed positional relationship when subjected to force.
[0152] Various embodiments of the present disclosure are directed to any combination of any of the features, and any such combination of features may be claimed in this or a future application. Any of the features, elements, or components of any of the exemplary embodiments discussed above may be used alone or in combination with any of the features, elements, or components of any of the other embodiments discussed above.
[0153] For purposes of this disclosure, the term "coupled" means that two components are directly or indirectly joined to one another. Such joining may be fixed in nature or removable in nature. Such joining may be achieved by the two members and any additional intermediate members being integrally formed as a single unitary body with one another, or by the two members being attached to one another or the two members and any additional members being attached to one another. Such joining may be permanent in nature or alternatively may be removable or releasable in nature.
[0154] Although the current application recites specific combinations of features in the appended claims, various embodiments of the present invention are directed to any combination of any of the features described herein, whether or not such combinations are currently claimed, and any such combination of features may be claimed in this or a future application. Any of the features, elements, or components of any of the exemplary embodiments discussed above may be used alone or in combination with any of the features, elements, or components of any of the other embodiments discussed above.
[0155] In various exemplary embodiments, relative dimensions including angles, lengths, and radii as shown in the drawings are drawn to scale. Actual measurements of the drawings will disclose the relative dimensions, angles, and ratios of the various exemplary embodiments. The various exemplary embodiments extend to various ranges around absolute and relative dimensions, angles, and ratios that can be determined from the drawings. The various exemplary embodiments include any combination of one or more relative dimensions or angles that can be determined from the drawings. In addition, actual dimensions not explicitly set forth in this description can be determined by using the ratios of the dimensions measured in the drawings in conjunction with the explicit dimensions set forth in this description.
Claims
1. A security system comprising: A first device, the first device comprising: a first shell including a pair of opposing protrusions extending toward each other, the protrusions being configured to couple the first shell to a body of a safety helmet; a first detector coupled to the first housing, the first detector configured to generate a first signal in response to detecting a nearby object having an electrical current with a high voltage; and a first controller coupled to the first housing and in electrical communication with the first detector, the first controller configured to transmit a second signal in response to receiving the first signal from the first detector; and A second device, the second device comprising: a second shell configured to be coupled to a brim of the safety helmet; a second controller coupled to the second housing and in electrical communication with the first controller, the second controller configured to generate a third signal in response to receiving the second signal from the first controller; and A notification device is physically coupled to the second housing and in electrical communication with the second controller, the notification device being configured to generate an alarm in response to the notification device receiving the third signal from the second controller.
2. The security system according to claim 1, wherein: The first controller and the second controller wirelessly communicate with each other.
3. The security system of claim 1, the first device comprising a plurality of interface buttons electrically coupled to the first controller and configured to control the first controller and the first detector.
4. The security system according to claim 1, wherein: The alarm comprises a first alarm selected from the group consisting of a visual alarm and an audio alarm.
5. The security system according to claim 1, wherein: The alarm comprises a tactile alarm.
6. The security system of claim 1, the first housing defining a back surface facing away from the second device, the protrusion extending on the back surface.
7. The safety system of claim 1, the second housing comprising an aperture and a protrusion extending into the aperture, the aperture and the protrusion being configured to collectively couple the second device to the bill of the safety helmet.
8. The security system of claim 7, the second housing defining a lower surface, wherein: The notification device is coupled to the lower surface.
9. The security system according to claim 8, wherein: The notification device generates a visual alert in response to the notification device receiving the third signal from the second controller.
10. A security system comprising: A hard hat comprising an outer shell formed of a rigid material; a first passageway defined by the safety helmet; as well as a first adapter received in the first channel, the first adapter comprising: an arm extending along a main longitudinal axis between a first end and an opposite second end; a platform coupled to the first end of the arm; a first protrusion extending from a first side of the arm; a second protrusion extending from the first side of the arm; and a third protrusion extending from a second side of the arm opposite the first side, wherein the platform is configured to couple to an accessory for the hard hat, the first protrusion comprising an upwardly facing first coupling surface, the second protrusion comprising a second coupling surface facing upwardly and away from the first protrusion, wherein the first protrusion and the second protrusion are closer to the second end of the arm than the third protrusion, wherein at least one of the first coupling surface and the second coupling surface engages the hard hat, the third protrusion comprising a downwardly facing lower surface that engages against the hard hat.
11. The safety system of claim 10, comprising a first device coupled to the platform, the first device comprising: a first housing coupled to the platform; a first controller coupled to the first housing; as well as A first detector is coupled to the first housing and in electrical communication with the first controller, the first detector being configured to generate a first signal in response to detecting that a nearby object has an electrical current with a high voltage.
12. The safety system of claim 11, the first device being configured to couple to the platform in a first orientation and a second orientation different from the first orientation.
13. The security system of claim 12, the first device comprising an upper male coupler extending from a first surface of the first housing and a side male coupler extending from a second surface of the first housing different from the first surface, wherein The upper male coupler is coupled to the platform when the first device is in the first orientation, and the side male coupler is coupled to the platform when the first device is in the second orientation.
14. The security system of claim 10, the third protrusion extending from the second side of the arm further than the first and second protrusions extend from the first side of the arm.
15. The security system of claim 10, the platform including a female coupler coupling the accessory to the platform, the female coupler facing away from the first side of the arm.
16. A security system comprising: A hard hat comprising an outer shell formed of a rigid material; an adapter including a housing, a pair of opposing protrusions extending from the housing toward each other, and a platform coupled to the housing, the protrusions coupling the adapter to the housing; as well as A first device, the first device is connected to the platform, the first device includes: a first shell, the first shell is connected to the platform; a first controller, the first controller is connected to the first shell; and a first detector, the first detector is connected to the first shell and electrically communicates with the first controller, the first detector is configured to generate a first signal in response to detecting that a nearby object has an electric current with a high voltage.
17. The safety system of claim 16, the first housing defining a back surface facing the hard hat, the projection extending on the back surface.
18. The safety system of claim 16, the first device being configured to couple to the platform in a first orientation and a second orientation different from the first orientation.
19. The security system of claim 18, the first device comprising an upper male coupler extending from a first surface of the first housing and a side male coupler extending from a second surface of the first housing different from the first surface, wherein The upper male coupler is coupled to the platform when the first device is in the first orientation, and the side male coupler is coupled to the platform when the first device is in the second orientation.
20. The safety system of claim 16, the platform comprising a female coupler coupling the first device to the platform, the female coupler facing away from the hard hat.