CN219288863U - Safety helmet - Google Patents

Abstract

The utility model discloses a safety helmet, which comprises a helmet body and a protective cover arranged on one side of the helmet body, wherein the protective cover comprises a sealing main body which is in contact with a face, an accommodating area for accommodating a filter element is arranged on the outer surface of the sealing main body, a protective piece is detachably arranged on the outer side of the accommodating area, a humidity detection element is arranged at the top end of the protective piece, an alarm element is arranged at the top end of the helmet body, and the humidity detection element is electrically connected with the alarm element to form a detection loop. The humidity detection element is simple in design, and can timely inform underground operators after the filter element fails, so that normal operation of construction operation is ensured, and operation convenience is also ensured.

Description

Safety helmet

Technical Field

The utility model relates to the technical field of protective equipment, in particular to a safety helmet.

Background

In the mine underground operation's environment, the operating personnel need wear safety helmet and protective mask to guarantee head's safety to guarantee that staff's is healthy, the environment of underground operation is abominable, and the protection requirement to breathing is higher, need adopt special protective mask to protect, its general and the integrative design of safety helmet.

The filtering principle of different protective masks is approximately the same, the air is purified by the filtering material, and the residual substances in the air are remained in the filtering material; however, as the breathing time of operators increases, the humidity of the filtering materials in the protective cover increases to weaken or even lose efficacy of the filtering materials, and the operators need to be overhauled and replaced regularly; however, the corresponding detection device is lacking in the protective cover, so that the staff is difficult to directly judge the efficacy condition of the filter material, the filter material in the protective cover cannot be replaced timely, the filter material is replaced prematurely or is replaced late, the waste of the filter material is caused, and the breathing health of the staff is endangered.

The filter materials researched by partial enterprises can change color or form after humidity changes, but for underground operators, the underground operation environment is bad, the mask changes are difficult to find in time, and partial detection elements increase the quality and the space of the protective cover, so that the normal operation work of the operators is influenced, and the detection effect is difficult to be actually exerted.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the safety helmet, wherein the humidity detection element is simple in design, and can timely inform underground operators after the filter element is out of order, so that the normal operation of construction operation is ensured, and the operation convenience is also ensured.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a safety helmet, includes the cap body and installs in the protection casing of cap body one side, the protection casing includes the sealed main part with facial contact, sealed main part surface is provided with the accommodation area that is used for holding filter element, accommodation area outside detachably installs the protection piece, humidity detection element is installed on the protection piece top, alarm element is installed on the cap body top, electric connection forms the detection loop between humidity detection element and the alarm element, detects filter element surface condition through humidity detection element in order to send the signal of telecommunication control alarm element state.

Preferably, the humidity detecting element comprises two detecting protrusions, a preset distance is arranged between the two detecting protrusions, and the detecting protrusions are connected in series between the detecting loops.

Preferably, the humidity detecting elements are in a plurality of groups which are arranged in a scattered way, and the plurality of groups of the humidity detecting elements are connected in parallel between the detecting loops.

Preferably, the cap body is connected with the protective cover through an elastic connecting rope, and a conductive wire is embedded in the connecting rope and used for connecting the humidity detection element and the alarm element.

Preferably, the protection piece comprises a cylindrical installation main body and a sheet shielding main body, wherein a touch element is arranged between the installation main body and the inner wall of the accommodating area, and the touch element is connected in series in the detection loop.

Preferably, the touch element comprises a first touch protrusion fixedly connected with the mounting main body and a second touch protrusion fixedly connected with the inner wall of the accommodating area, and the second touch protrusion is positioned on the moving path of the first touch protrusion.

Preferably, the alarm element comprises one or more of an alarm lamp, an alarm buzzer and a vibrator.

Compared with the prior art, the utility model has the beneficial effects that:

the protective cover is arranged to be the detachable sealing main body and the protective piece, so that the filter element can be taken out and replaced in time after the filter element fails, and the replacement efficiency is improved; the humidity detection element is arranged in the protective cover, so that the humidity state of the filter element can be timely detected through the humidity detection element, an alarm can be timely sent out through the alarm element, workers are reminded of timely replacement of the filter element, the quality of the end of the protective cover is reduced through the alarm element arranged at the top end of the cap body, underground operation is facilitated for operators, and meanwhile, the operators can be timely reminded of the alarm sent out from the top end of the cap body, so that the warning effect is good; through setting up two detection protruding and carrying out humidity detection to filter element, its detection volume is little, and detection efficiency is high, has satisfied the requirement of underground protection casing design, can not influence the operation personnel and normally develop the underground work, realizes filter element's intelligent monitoring, satisfies the protection requirement of underground operation.

Drawings

Fig. 1 is a schematic perspective view of a safety helmet according to the present utility model;

fig. 2 is a schematic diagram of a front view structure of a safety helmet according to the present utility model;

fig. 3 is a schematic top view of a safety helmet according to the present utility model;

FIG. 4 is a schematic side view of a safety helmet according to the present utility model;

fig. 5 is a schematic structural view of a protective cover of a safety helmet in a disassembled state;

fig. 6 is a schematic structural diagram of a humidity detecting element of a safety helmet according to the present utility model.

In the figure: 100. a cap body; 200. a protective cover; 210. a sealing body; 220. a protective member; 221. a shielding body; 222. a mounting main body; 300. a connecting rope; 400. an alarm element; 500. a touch control element; 600. a humidity detecting element.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 6, a safety helmet comprises a helmet body 100 and a protective cover 200 mounted on one side of the helmet body 100, wherein the protective cover 200 comprises a sealing main body 210 contacting with a face, a containing area for containing a filter element is arranged on the outer surface of the sealing main body 210, a protecting piece 220 is detachably mounted on the outer side of the containing area, and after the filter element cannot normally play a filtering role, the protecting piece 220 is detached to take out the filter element, so that the filter element can be replaced.

During the process of wearing the protective cover 200, the exhaled air can increase the humidity of the internal environment, so that the humidity of the filter element is increased, and when the humidity is increased to a certain degree, the filtering function is lost; the conventional protective cover 200 cannot detect the humidity of the internal filter element, and usually relies on the time of working by a worker and self experience to replace, so that the problem of untimely replacement or insufficient utilization of the filter element exists; in order to solve the above problems, a humidity detection element 600 is installed at the top end of the protection member 220, an alarm element 400 is installed at the top end of the cap body 100, the humidity detection element 600 is electrically connected with the alarm element 400 to form a detection loop, the humidity detection element 600 detects the surface state of the filter element to send out an electric signal to control the state of the alarm element 400, and when the humidity detection element 600 detects that the surface humidity of the filter element exceeds a threshold value, the alarm element 400 is controlled to send out an alarm to remind a worker to replace in time; the humidity detecting element 600 detects the conduction condition of materials under different humidity, and after the humidity is increased above a threshold value, a detecting loop is conducted to give an alarm.

As a preferred humidity detection mode, the humidity detection element 600 includes two detection protrusions, a predetermined distance is provided between the two detection protrusions, the detection protrusions are connected in series between detection loops, and after the surface humidity of the filter element exceeds a threshold value, the two detection protrusions are in a conductive state, and the detection loops are conducted to enable the alarm element 400 to send an alarm; the surface of the detection protrusion is provided with a round protection surface, when the filter element is in a sheet shape for filtering, the filter element can be protected, and the filter element cannot play a role in filtering due to puncture of the sheet-shaped filter element is avoided; and through above-mentioned design, detecting element is low in protection casing 200 department quality, and spare part for the alarm is placed in the cap body 100, has reduced the quality of protection casing 200 end, has improved comfort level and the stability of whole wearing.

The extrusion force between the protection piece 220 and the sealing main body 210 is controlled to be increased, so that the contact force between the filter element and the detection protrusion can be improved, and the detection protrusion extends into the filter element by increasing the contact force, so that the detection sensitivity and effect are improved; wherein the protection piece 220 is connected through threads, and simple adjustment control can be realized by rotating the protection piece 220 for different turns.

Preferably, the humidity detection elements 600 are arranged in a scattered manner, the humidity detection elements 600 are connected between the detection loops in parallel, the humidity detection can be carried out on a plurality of points of the filter element simultaneously by arranging the humidity detection elements 600, and after the threshold value of the humidity at any position exceeds the limit, the alarm element 400 can be controlled to give an alarm, so that the detection precision is improved.

The cap body 100 is connected with the protective cover 200 through the elastic connecting rope 300, and the conductive wire is embedded in the connecting rope 300 and used for connecting the humidity detection element 600 and the alarm element 400, under the action of the connecting rope 300, the protective cover 200 can be tightly attached to the face of an operator, the protective cover 200 is ensured to play a filtering role, and the conductive wire of a detection loop is arranged in the connecting rope 300, so that the protective cover is simple and simple, and the phenomena of excessive loss of exposed circuits and inadaptation in work are avoided.

The protection piece 220 comprises a cylindrical installation main body 222 and a flaky shielding main body 221, a touch element 500 is arranged between the installation main body 222 and the inner wall of the accommodating area, the touch element 500 is connected in series in the detection loop, the detection loop can be automatically in a conducting state after the protection piece 220 is installed by arranging the touch element 500, workers do not need to perform extra disconnecting work, steps of the operation of the workers are reduced, and efficiency is improved.

The touch element 500 includes a first touch protrusion fixedly connected to the mounting body 222 and a second touch protrusion fixedly connected to an inner wall of the accommodating area, the second touch protrusion is located on a moving path of the first touch protrusion, the first touch protrusion and the second touch protrusion may be designed as sheet-shaped conductive sheets, the conductive sheets extend along two sides, and after the protection member 220 is mounted at a predetermined position, the two conductive sheets are automatically released to realize conduction of the detection circuit; it should be noted that, the sealing main body 210 and the protecting member 220 may be quickly detached and fixed by a threaded connection, a snap connection, or the like.

The alarm element 400 comprises one or more of an alarm lamp, an alarm buzzer and a vibrator, and can alarm by setting various alarm modes, remind operators in a downhole severe environment in various modes, and ensure that the operators can feed back information at the first time.

When the cap is used, after the cap body 100 is stably worn by an underground operator, the protective cover 200 is attached to the face, and in the breathing process, the air is purified through the filter element in the protective cover 200, so that the health of the operator is ensured; after a period of working, the humidity inside the filter element is increased, the filter element is invalid, and the filter element with the increased humidity can enable the humidity detection element 600 to be in a conducting state, so that the alarm element 400 can give an alarm, and operators can timely replace the filter element to ensure the breathing safety of underground operation.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a safety helmet, includes the cap body (100) and installs protection casing (200) in cap body (100) one side, its characterized in that:

the protection casing (200) include with face contact seal main part (210), seal main part (210) surface is provided with the accommodation area that is used for holding filter element, accommodation area outside detachably installs protection piece (220), humidity detection element (600) are installed on protection piece (220) top, alarm element (400) are installed on cap body (100) top, electric connection forms the detection circuit between humidity detection element (600) and alarm element (400), detects filter element surface condition through humidity detection element (600) in order to send signal control alarm element (400) state.

2. A safety helmet according to claim 1, wherein the humidity sensing element (600) comprises two sensing protrusions having a predetermined distance therebetween, the sensing protrusions being connected in series between the sensing loops.

3. The safety helmet according to claim 2, wherein the humidity detecting elements (600) are arranged in a dispersed manner, and the humidity detecting elements (600) are connected in parallel between the detecting loops.

4. The safety helmet according to claim 1, wherein the helmet body (100) and the protective cover (200) are connected by an elastic connection rope (300), and a conductive wire is embedded in the connection rope (300) for connecting the humidity detecting element (600) and the alarm element (400).

5. The safety helmet according to claim 1, wherein the protecting member (220) comprises a cylindrical mounting body (222) and a sheet shielding body (221), a touch element (500) is disposed between the mounting body (222) and an inner wall of the accommodating area, and the touch element (500) is connected in series in the detection circuit.

6. The safety helmet of claim 5, wherein the touch device (500) comprises a first touch protrusion fixedly connected to the mounting body (222) and a second touch protrusion fixedly connected to an inner wall of the receiving area, and the second touch protrusion is located on a moving path of the first touch protrusion.

7. A safety helmet according to any one of claims 1 to 6, wherein the alarm element (400) comprises one or more of an alarm light, an alarm buzzer, a vibrator.

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