Safety helmet

Abstract

The utility model provides a safety helmet. The safety helmet comprises a helmet body, a guide rail, a sliding rod, a magnetic induction device and an alarm, the guide rail is mounted on the outer side of the cap body; the sliding rod is mounted on the guide rail; the magnetic induction device is installed in the sliding rod and makes contact with the outer side of the cap body. The position of the magnetic induction device is adjusted by moving the sliding rod on the guide rail; the alarm is mounted on the inner side of the helmet body; when the magnetic induction device approaches the high-voltage equipment, the current pulse interacts with the magnetic induction device, the alarm is triggered to give an alarm, and a maintainer can be reminded when the maintainer approaches the electrified equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to safety protection technical field especially relates to a safety helmet. BACKGROUND

[0002] During the electric power maintenance, the safety helmet needs to be worn to protect the head of the maintenance personnel, avoids the head contact with the electrified component in the operation process, thereby causes the maintenance personnel head electric shock, and causes the accident.

[0003] At present, the existing safety helmet only increases the isolation effect and does not play the reminding effect. UTILITY MODEL CONTENTS

[0004] The utility model provides a safety helmet to solve the technical problem that the maintenance personnel wearing the safety helmet approaches the electrified equipment, and the maintenance personnel is not reminded.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] Firstly, the utility model provides a safety helmet, which comprises:

[0007] The cap body (1), guide rail (2), sliding rod (3), magnetic sensing device (4) and alarm (5).

[0008] The guide rail (2) is installed on the outside of the cap body (1).

[0009] The sliding rod (3) is installed on the guide rail (2).

[0010] The magnetic sensing device (4) is installed inside the sliding rod (3), and the magnetic sensing device (4) is in contact with the outside of the cap body (1);By moving the sliding rod (3) on the guide rail (2), the position of the magnetic sensing device (4) is adjusted.

[0011] The alarm (5) is installed on the inside of the cap body (1);When the magnetic sensing device (4) approaches the high-voltage equipment, the current pulse interacts with the magnetic sensing device (4), and the alarm (5) is triggered to alarm.

[0012] Optionally, the safety helmet further comprises: the limiting tube (6) and the reset device (7);The reset device (7) is installed on one end of the guide rail (2);The reset device (7) is used for adjusting the position of the sliding rod (3);The limiting tube (6) is installed on the guide rail (2), and the limiting tube (6) is connected with the reset device (7);The limiting tube (6) is used for limiting the moving position of the sliding rod (3).

[0013] Optionally, the reset device (7) is a reset spring.

[0014] Optionally, the safety helmet further comprises a resistance device (8), a first spring plate (9), a second spring plate (10) and a first elastic device (11); one end of the resistance device (8) is connected with the first spring plate (9), and the other end of the resistance device (8) is connected with the top of the inner side of the cap body (1); the second spring plate (10) is installed on the first elastic device (11); one end of the first elastic device (11) is connected with the first connection point of the inner side of the cap body (1); the other end of the first elastic device (11) is connected with the second connection point of the inner side of the cap body (1); wherein the position of the first connection point is opposite to the position of the second connection point; when the slide rod (3) is displaced due to impact, the cap body (1) moves downward, so that the first spring plate (9) and the second spring plate (10) are in contact, triggering the alarm (5) to alarm.

[0015] Optionally, the resistance device (8) comprises at least one of the following: a resistance spring, a spring, rubber and a damper.

[0016] Optionally, the first elastic device (11) is an elastic band.

[0017] Optionally, the safety helmet further comprises a second elastic device (12); the second elastic device (12) passes through the through hole (13) at the top of the cap body (1); one end of the second elastic device (12) is connected with the slide rod (3) on the outer side of the cap body (1), and the other end of the second elastic device (12) is connected with the first spring plate (9) on the inner side of the cap body (1).

[0018] Optionally, the second elastic device (12) is an elastic rope.

[0019] Optionally, the magnetic sensing device (4) is a magnetic sensing coil.

[0020] Optionally, the alarm (5) comprises at least one of the following: a voice alarm, an infrared alarm and a vibration alarm.

[0021] Compared with the prior art, the safety helmet provided by the embodiment of the utility model has the following advantages: the safety helmet comprises a cap body, a guide rail, a slide rod, a magnetic sensing device and an alarm. When the safety helmet is close to a high-voltage equipment, it is not necessary to directly contact the high-voltage equipment, the change of the electromagnetic field is sensed by the magnetic sensing device, so that the alarm is triggered, and the alarm immediately provides early warning, thereby providing timely warning for the maintenance personnel. In addition, the magnetic sensing device moves according to the position change of the slide rod, so that the relative position between the magnetic sensing device and the surrounding environment can be adjusted.

[0022] In addition to the technical problems solved by the embodiments of the utility model described above, the technical features constituting the technical solutions and the beneficial effects brought by these technical features, the other technical problems solved by the safety helmet provided by the embodiments of the utility model, the other technical features contained in the technical solutions and the beneficial effects brought by these technical features will be further described in detail in the specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows, obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0024] Figure 1 The side structure of the safety helmet provided by the embodiments of the utility model is shown Figure 1 ;

[0025] Figure 2 The front structure of the safety helmet provided by the embodiments of the utility model is shown

[0026] Figure 3 The structure of the magnetic sensing device and the outer side contact surface of the cap body provided by the embodiments of the utility model is shown

[0027] Figure 4 The side structure of the safety helmet provided by the embodiments of the utility model is shown Figure 2 ;

[0028] Figure 5 The side structure of the safety helmet provided by the embodiments of the utility model is shown Figure 3 .

[0029] REFERENCE SIGNS:

[0030] 1-cap body;

[0031] 2-guide rail;

[0032] 3-sliding rod;

[0033] 4-magnetic sensing device;

[0034] 5-alarm;

[0035] 6-limiting tube;

[0036] 7-reset device;

[0037] 8-resistance device;

[0038] 9-first spring plate;

[0039] 10 - second spring plate;

[0040] 11 - first elastic means;

[0041] 12 - second elastic means;

[0042] 13 - through hole. DETAILED DESCRIPTION

[0043] The exemplary embodiments will be described in detail herein with reference to the attached drawings. In the following description, like reference numerals refer to like elements, unless the context clearly dictates otherwise. The following exemplary embodiments described herein are not meant to represent all embodiments consistent with the present application. Rather, they are merely examples consistent with some aspects of the present application as detailed in the appended claims.

[0044] It is to be noted that when an element is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or indirectly on or connected to the other element by way of one or more other elements.

[0045] It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like as terms of reference for a spatial orientation or position relationship are based on the orientation or position relationship shown in the drawings and are used only for convenience in describing the present application and simplifying the description, and therefore cannot be construed as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be construed as limiting the present application.

[0046] In addition, the terms "first", "second", "third", etc., are used only for descriptive purposes and cannot be construed as indicating or implying relative importance or an implied indication of the number of technical features indicated. Therefore, the features defined as "first", "second", etc., can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly specified.

[0047] In the prior art, during power maintenance, a safety helmet needs to be worn to protect the head of the maintenance personnel, so as to avoid the head from contacting the live parts during operation, thereby causing the head of the maintenance personnel to be electrified and causing an accident. At present, the existing safety helmet only increases the isolation effect and does not play a prompting role.

[0048] To solve the above-mentioned technical problems, this utility model proposes the following technical approach: when the safety helmet is close to high-voltage equipment, it does not need to be in direct contact with the high-voltage equipment. Instead, it senses changes in the electromagnetic field through a magnetic sensing device, thereby triggering an alarm. The alarm will immediately sound, providing timely warnings to maintenance personnel.

[0049] In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions as described above, other technical problems that can be solved by the safety helmet provided by the embodiments of the present invention, other technical features included in the technical solutions, and the beneficial effects brought about by these technical features will be further explained in detail in the specific embodiments.

[0050] refer to Figures 1-3 , Figure 1 A schematic diagram of the side structure of the safety helmet provided in this embodiment of the utility model. Figure 1 ; Figure 2 A schematic diagram of the front structure of the safety helmet provided in an embodiment of this utility model; Figure 3 A schematic diagram of the contact surface between the magnetic sensing device and the outer side of the helmet body, provided in an embodiment of this utility model. In this embodiment, the safety helmet specifically includes:

[0051] The cap body (1), guide rail (2), slide bar (3), magnetic sensing device (4) and alarm (5).

[0052] The guide rail (2) is installed on the outside of the cap body (1).

[0053] The slide bar (3) is mounted on the guide rail (2).

[0054] The magnetic sensing device (4) is installed inside the slide bar (3) and is in contact with the outside of the cap body (1); the position of the magnetic sensing device (4) is adjusted by moving the slide bar (3) on the guide rail (2).

[0055] The magnetic sensing device (4) is in contact with the outside of the cap body (1), but not connected.

[0056] The magnetic sensing device (4) is installed inside the slide bar (3) and contacts the outside of the cap body (1). The slide bar (3) can slide on the guide rail (2) on the outside of the cap body (1). This design allows the magnetic sensing device (4) to move according to the position change of the slide bar (3), thereby changing the relative position of the magnetic sensing device (4) with the surrounding environment.

[0057] Optionally, the magnetic sensing device (4) is very sensitive to changes in the electromagnetic field and can detect the presence of high-voltage equipment at a distance.

[0058] Optionally, the magnetic induction device (4) is a magnetic induction coil.

[0059] The alarm (5) is installed on the inner side of the cap body (1); when the magnetic sensing device (4) approaches the high-voltage equipment, the current pulse interacts with the magnetic sensing device (4), triggering the alarm (5) to alarm.

[0060] Optionally, the alarm (5) comprises at least one of a voice alarm, an infrared alarm and a vibration alarm.

[0061] Optionally, the voice alarm reminds the maintenance personnel through voice broadcast; the infrared alarm reminds the maintenance personnel through light signal; and the vibration alarm reminds the maintenance personnel through vibration.

[0062] Optionally, when the magnetic sensing device approaches the high-voltage equipment, when reaching a preset interval, the current running pulse contacts the magnetic sensing device (4), driving the magnetic sensing device (4) to close the loop, thereby driving the alarm (5) to give a warning.

[0063] Optionally, the preset interval is pre-set and can be changed.

[0064] As known from the above embodiment, the safety cap comprises a cap body, a guide rail, a sliding rod, a magnetic sensing device and an alarm. When the safety cap approaches the high-voltage equipment, it does not need to be in direct contact with the high-voltage equipment, but the magnetic sensing device senses the change of the electromagnetic field, thereby triggering the alarm, which immediately alarms to provide timely warning for the maintenance personnel. In addition, the magnetic sensing device moves according to the position change of the sliding rod, thereby the relative position of the magnetic sensing device and the surrounding environment can be adjusted.

[0065] Reference Figure 4 , Figure 4 The side surface structure of the safety cap provided in the embodiment Figure 2 On the basis of the above embodiment, in the present embodiment, the safety cap further comprises:

[0066] a limiting tube (6) and a reset device (7);

[0067] The reset device (7) is installed at one end of the guide rail (2); the reset device (7) is used for adjusting the position of the sliding rod (3).

[0068] The limiting tube (6) is installed on the guide rail (2) and is connected with the reset device (7); the limiting tube (6) is used for limiting the moving position of the sliding rod (3).

[0069] Optionally, when the sliding rod (3) moves to the end of the guide rail (2), the limiting tube (6) prevents the sliding rod (3) from continuing to move, avoiding the sliding rod (2) from being separated from the guide rail (2).

[0070] Optionally, the slide rod (3) and the limiting tube (6) form a stop disassembly cooperation, so that the slide rod (3) can smoothly move during the movement along the guide rail (2) and is limited by the limiting tube (6) when contacting the limiting tube (6).

[0071] Optionally, the limiting tube (6) and the slide rod (3) are further provided with a reset device (7). The reset device (7) is used for keeping the slide rod (3) in an initial position or a preset position when no external force acts. When the slide rod (3) moves due to the external force and contacts the limiting tube (6), the reset device (7) provides a restoring force to enable the slide rod (3) to return to the initial position.

[0072] Optionally, the reset device (7) is a reset spring.

[0073] It can be known from the above embodiment that, when the slide rod moves on the guide rail due to external force and contacts the limiting tube, the slide rod is blocked from continuing to move by the limiting tube, and then the reset device provides a restoring force to enable the slide rod to return.

[0074] Reference Figure 5 , Figure 5 The side surface structure of the safety helmet provided in the embodiment of the utility model Figure 3 On the basis of the above embodiment, in the embodiment, the safety helmet further comprises:

[0075] The resistance device (8), the first spring plate (9), the second spring plate (10) and the first elastic device (11).

[0076] One end of the resistance device (8) is connected with the first spring plate (9), and the other end of the resistance device (8) is connected with the top of the inner side of the cap body (1).

[0077] In the embodiment, there are two resistance devices (8), one end of each of the two resistance devices (8) is connected with two ends of the first spring plate (9), and the other end of each of the two resistance devices (8) is connected with the top of the inner side of the cap body (1).

[0078] Optionally, the resistance device (8) comprises at least one of the following: a resistance spring, a spring, rubber and a damper.

[0079] Optionally, the first elastic device (11) is an elastic belt.

[0080] The second spring plate (10) is installed on the first elastic device (11).

[0081] One end of the first elastic device (11) is connected with a first connection point of the inner side of the cap body (1); the other end of the first elastic device (11) is connected with a second connection point of the inner side of the cap body (1); and the position of the first connection point is opposite to the position of the second connection point.

[0082] When the slide rod (3) is displaced by impact, the cap body (1) is lowered, so that the first spring plate (9) and the second spring plate (10) are in contact, triggering the alarm (5) to alarm.

[0083] In the embodiment, when the cap body (1) is lowered, the distance between the first spring plate (9) and the second spring plate (10) is reduced, and when the distance is reduced to a certain extent, the first spring plate (9) and the second spring plate (10) are in contact with each other, triggering the alarm (5) to alarm.

[0084] As can be seen from the above embodiment, when the slide rod of the safety cap is impacted, the cap body is lowered, the first spring plate and the second spring plate are in contact with each other, triggering the alarm to alarm, and timely reminding the maintenance personnel to take safety measures.

[0085] On the basis of the above embodiment, the safety cap further comprises:

[0086] a second elastic device (12);

[0087] The second elastic device (12) passes through the through hole (13) at the top of the cap body (1); one end of the second elastic device (12) is connected with the slide rod (3) outside the cap body (1), and the other end of the second elastic device (12) is connected with the first spring plate (9) inside the cap body (1).

[0088] Optionally, when the resistance device (8) is damaged, the first spring plate (9) can be prevented from falling by the second elastic device.

[0089] Optionally, the second elastic device (12) is an elastic rope.

[0090] As can be seen from the above embodiment, the second elastic device can prevent the first spring plate from falling and contact with the second spring plate to trigger the alarm when the resistance device is damaged.

[0091] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the above embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A safety helmet characterized by, The utility model relates to a high-voltage equipment safety protection device, including: A cap body (1), a guide rail (2), a slide bar (3), a magnetic induction device (4) and an alarm (5); The guide rail (2) is installed on the outside of the cap body (1); The slide bar (3) is installed on the guide rail (2); The magnetic induction device (4) is installed inside the slide bar (3), and the magnetic induction device (4) is in contact with the outside of the cap body (1); by moving the slide bar (3) on the guide rail (2), the position of the magnetic induction device (4) is adjusted; The alarm (5) is installed on the inside of the cap body (1); when the magnetic induction device (4) approaches the high-voltage equipment, the current pulse interacts with the magnetic induction device (4), triggering the alarm (5) to alarm.

2. The safety cap of claim 1, wherein Further including: A limiting tube (6) and a reset device (7); The reset device (7) is installed on one end of the guide rail (2); the reset device (7) is used for adjusting the position of the slide bar (3); The limiting tube (6) is installed on the guide rail (2), and the limiting tube (6) is connected with the reset device (7); the limiting tube (6) is used for limiting the moving position of the slide bar (3).

3. The safety cap of claim 2, wherein The reset device (7) is a reset spring.

4. The safety cap of claim 1, wherein Further including: A resistance device (8), a first spring plate (9), a second spring plate (10) and a first elastic device (11); One end of the resistance device (8) is connected with the first spring plate (9), and the other end of the resistance device (8) is connected with the top of the inside of the cap body (1); The second spring plate (10) is installed on the first elastic device (11); One end of the first elastic device (11) is connected with a first connection point on the inside of the cap body (1), and the other end of the first elastic device (11) is connected with a second connection point on the inside of the cap body (1); wherein the position of the first connection point is opposite to the position of the second connection point; When the slide bar (3) is displaced due to impact, the cap body (1) moves downward, so that the first spring plate (9) and the second spring plate (10) are in contact, triggering the alarm (5) to alarm.

5. The safety cap of claim 4, wherein The resistance device (8) includes at least one of the following: a resistance spring, a spring, rubber and a damper.

6. The safety cap of claim 4, wherein The first elastic device (11) is an elastic belt.

7. The safety cap of claim 4, wherein Further including: A second elastic device (12); The second elastic device (12) passes through a through hole (13) in the top of the cap body (1); one end of the second elastic device (12) is connected with the slide bar (3) on the outside of the cap body (1), and the other end of the second elastic device (12) is connected with the first spring plate (9) on the inside of the cap body (1).

8. The safety cap of claim 7, wherein, The second elastic device (12) is an elastic rope.

9. The safety cap of any one of claims 1-8, wherein, The magnetic induction device (4) is a magnetic induction coil.

10. The safety cap of any one of claims 1-8, wherein, The alarm (5) includes at least one of the following: a voice alarm, an infrared alarm and a vibration alarm.

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