CN214761063U

CN214761063U - Life detection system for operating personnel in narrow space

Info

Publication number: CN214761063U
Application number: CN202120738825.9U
Authority: CN
Inventors: 汪仁海
Original assignee: HEFEI HUAKE ELECTRONIC TECHNICAL RESEARCH INSTITUTE
Current assignee: HEFEI HUAKE ELECTRONIC TECHNICAL RESEARCH INSTITUTE
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-19
Anticipated expiration: 2031-04-13

Abstract

The utility model relates to a vital sign detects, concretely relates to narrow space operation personnel life detection system, including detection host computer and face guard, the detection host computer passes through the signal line and links to each other with bone conduction voice module, and bone conduction voice module passes through the signal line and links to each other with ear clip heart rate sensor, respiratory sensor respectively, is equipped with fixed band, holding area on the face guard, and the tip of grafting detection host computer signal line is equipped with the connector lug, has seted up the wiring hole with connector lug complex on the detection host computer, is equipped with anti-drop mechanism between wiring hole and the connector lug; the utility model provides a technical scheme can effectively overcome the inconvenience that prior art exists and install the signal line of dismantling, detecting the host computer to respiratory sensor and become flexible the defect that drops easily.

Description

Life detection system for operating personnel in narrow space

Technical Field

The utility model relates to a vital sign detects, concretely relates to narrow space operation personnel life detecting system.

Background

In the chemical industry, large-scale storage jar needs regularly to carry out the cleaning operation to the deposit, in this kind of narrow space, needs personnel to get into jar body operation. The operation space in the tank body is narrow, the labor intensity is high, the concentration of toxic and harmful gases is high, and potential safety hazards are easily caused to operating personnel. Traditional safety protection measure sets up the monitoring personnel at jar external portion, also has the video to make a video recording to replace the monitoring personnel, but because the internal gas of jar has explosion-proof requirement, camera equipment can not the direct mount to the operating personnel on one's body, has just so caused that monitoring distance is far away between camera equipment and the operating personnel, and visual angle is little, has the field of vision blind area to can not know the position of operating personnel in jar body in real time. In addition, depending on manual monitoring, the situation of burnout occurs, and if the situation that air supply of the air compressor stops or the face mask falls off occurs in the tank body, rescue cannot be carried out in time, and serious injury can be caused.

To the not enough of above traditional monitoring mode, this application has proposed effectual solution: with respiratory sensor, ear clip rhythm of the heart sensor directly wears the face at the operation personnel, real-time supervision is breathed, rhythm of the heart data, communicate through 485 with data transmission to the computer, on system software, can set up the rhythm of the heart, the alarm threshold value of breathing, when monitoring numerical value exceedes normal range, remind the monitoring personnel with pronunciation and alert ringtone, be favorable to timely rescue, be provided with bone conduction voice module in operation personnel's face, can realize operation personnel and monitoring personnel's real-time conversation, under the operation environment that has great noise, bone conduction this kind of mode can effectively improve conversation quality.

In addition, detect through the signal line connection between host computer and each detection module, owing to receive the restriction of signal line length, the signal line often can with detect the host computer between appear not hard up, the condition that drops, lead to detection module unable with detect signal transmission for detecting the host computer in the use, just can't in time monitor operation personnel's vital sign parameter under this kind of condition.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the above-mentioned shortcoming that prior art exists, the utility model provides a narrow space operation personnel life detecting system can effectively overcome the inconvenience that prior art exists and install the signal line of dismantling, detecting the host computer to respiratory sensor and become flexible the defect that drops easily.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a life detection system for operating personnel in a narrow space comprises a detection host and a mask, wherein the detection host is connected with a bone conduction voice module through a signal wire, the bone conduction voice module is respectively connected with an ear clip heart rate sensor and a respiration sensor through signal wires, the mask is provided with a fixing band and an accommodating area, a connector lug is arranged at the end part inserted with the signal wire of the detection host, a connector lug matched with the connector lug is arranged on the detection host, and an anti-falling mechanism is arranged between the connector lug and the connector lug;

the accommodating area is provided with a connecting mechanism for mounting the respiration sensor, and the connecting mechanism comprises a first shell, a placing groove, an accommodating cavity and a second shell, wherein the first shell is oppositely arranged on two sides of the accommodating area, the placing groove is formed in the first shell and is matched with the respiration sensor, the accommodating cavity is formed in the first shell and is communicated with the placing groove, and the second shell is fixed with the first shell;

the second shell is internally provided with an installation mechanism for detachably installing the respiration sensor, and the installation mechanism comprises a limiting rod which is in sliding connection with the side wall of the second shell and extends into the accommodating cavity, a baffle disc fixed on the limiting rod, a first spring connected between the baffle disc and the inner wall of the second shell, and an inclined end and a horizontal end which are arranged at the end part of the limiting rod;

the anti-drop mechanism is including being fixed in the slider on the connector lug, offer in the wiring hole lateral wall and with slider complex spout, offer in spout tip and with spacing groove, the storage tank of spout intercommunication to and through second spring and the interior wall connection of storage tank be used for with slider push-in spacing groove and carry out spacing piece of supporting, slider, support and be equipped with first inclined plane, the second inclined plane of mutually supporting on the piece respectively.

Preferably, the side surface of the baffle disc is provided with an installation groove, and a ball is arranged in the installation groove.

Preferably, be equipped with on the second inclined plane and be convenient for gliding friction mechanism that falls when receiving first inclined plane effort, it includes the recess of seting up on the second inclined plane to fall friction mechanism to and rotate the pivot of connection and between the recess inner wall.

Preferably, the inclined ends are arranged in bilateral symmetry about the axis of the limiting rod, and the horizontal end is arranged between the inclined ends.

Preferably, the mask is provided with an air inlet, and the air inlet is connected with an air outlet of the air compressor through a connecting pipe.

(III) advantageous effects

Compared with the prior art, the life detection system for the operating personnel in the narrow space, provided by the utility model, can monitor the vital sign parameters of the operating personnel in real time through the ear clip heart rate sensor and the respiration sensor, and can realize real-time conversation between the operating personnel and the monitoring personnel by utilizing the bone conduction voice module; the breathing sensor can be very conveniently installed at a proper position of the accommodating area by the aid of the installation mechanism, and the breathing sensor is convenient to disassemble; the connection mechanism can be dismantled in the utilization can make connector lug and wiring hole zonulae occludens, prevents that not hard up, the condition that drops from appearing in the signal line, guarantees that each detection module can effectively transmit the detected signal for detecting the host computer, realizes the effective monitoring to operation personnel vital sign parameter.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a connecting mechanism on the accommodating area of the present invention;

fig. 3 is a schematic side view of the first housing of fig. 2 according to the present invention;

FIG. 4 is a schematic view of the fitting structure of the connector lug and the connector hole of the present invention;

fig. 5 is a schematic side view of the chute of fig. 4 according to the present invention;

fig. 6 is a schematic diagram of the system of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a narrow space operation personnel life detecting system, as shown in fig. 1 to 6, including detecting host computer 1 and face guard 5, detect host computer 1 and link to each other with bone conduction voice module 2 through the signal line, 2 passing signal lines of bone conduction voice module link to each other with ear clip heart rate sensor 3, respiratory sensor 4 respectively, are equipped with fixed band 6, accommodation area 7 on the face guard 5.

The accommodating area 7 is provided with a connecting mechanism for installing the breathing sensor 4, and the connecting mechanism comprises a first shell 8, a placing groove 9, an accommodating cavity 10 and a second shell 11, wherein the first shell 8 is arranged on two sides of the accommodating area 7 relatively, the placing groove 9 is arranged in the first shell 8 and matched with the breathing sensor 4, the accommodating cavity 10 is arranged in the first shell 8 and communicated with the placing groove 9, and the second shell 11 is fixed with the first shell 8.

The second housing 11 is provided with a mounting mechanism for detachably mounting the respiration sensor 4, and the mounting mechanism includes a limiting rod 12 slidably connected to a side wall of the second housing 11 and extending into the accommodating chamber 10, a stopper disc 13 fixed to the limiting rod 12, a first spring 14 connected between the stopper disc 13 and an inner wall of the second housing 11, and a tilt end 15 and a horizontal end 16 provided at an end of the limiting rod 12.

The inclined ends 15 are arranged bilaterally symmetrically about the axis of the stopper rod 12, and the horizontal end 16 is arranged between the inclined ends 15.

The face mask 5 is provided with an air inlet which is connected with an air outlet of the air compressor through a connecting pipe.

When the respiration sensor 4 is to be mounted, the respiration sensor 4 is aligned with the placement groove 9 and placed in the first housing 8, and the respiration sensor 4 is rotated counterclockwise as shown in fig. 2. During the rotation process, as shown in fig. 3, the respiration sensor 4 interacts with the inclined end 15, so that the limiting rod 12 overcomes the elastic force of the first spring 14 to move downwards, and the respiration sensor 4 can move to the other side of the accommodating cavity 10. At this time, the stopper rod 12 returns to the original position by the elastic force of the first spring 14, and the respiratory sensor 4 can be prevented from being detached from the accommodating chamber 10.

When needing to dismantle respiratory sensor 4, counter-rotating respiratory sensor 4, respiratory sensor 4 and slope end 15 interact equally will make gag lever post 12 overcome the elasticity of first spring 14 and move down, and then respiratory sensor 4 gets into in the standing groove 9, just can take respiratory sensor 4.

The mounting groove has been seted up to fender dish 13 side, and the mounting groove is inside to be equipped with the ball. The ball is arranged so that the stop rod 12 moves down better when the respiration sensor 4 interacts with the inclined end 15.

In this application technical scheme, in order to prevent to produce wearing and tearing between respiratory sensor 4 and tip 15, the horizontal end 16, can install the installation piece additional at respiratory sensor 4 tip, utilize installation piece and standing groove 9 to cooperate the installation.

The end of the signal wire of the plugging detection host 1 is provided with a connector lug 18, the detection host 1 is provided with a wiring hole 17 matched with the connector lug 18, and an anti-falling mechanism is arranged between the wiring hole 17 and the connector lug 18.

The anti-falling mechanism comprises a sliding block 21 fixed on the connector lug 18, a sliding groove 19 arranged on the side wall of the wiring hole 17 and matched with the sliding block 21, a limiting groove 20 and a containing groove 22 arranged at the end part of the sliding groove 19 and communicated with the sliding groove 19, and a supporting block 24 which is connected with the inner wall of the containing groove 22 through a second spring 23 and used for pushing the sliding block 21 into the limiting groove 20 and limiting, wherein a first inclined surface 26 and a second inclined surface which are matched with each other are respectively arranged on the sliding block 21 and the supporting block 24.

When connecting the signal line, the slider 21 is aligned with the slide groove 19, and the terminal 18 is fed into the terminal hole 17. When the sliding block 21 contacts the abutting block 24, the terminal head 18 is continuously pressed downwards, so that the abutting block 24 overcomes the elastic force of the second spring 23 to move towards the inside of the first inclined surface 26 under the interaction of the first inclined surface 26 and the second inclined surface.

When the first inclined surface 26 is completely located at the end of the abutting block 24, the wire connector 18 is already in close contact with the wire connecting hole 17, and the abutting block 24 pushes the sliding block 21 to enter the limiting groove 20 under the action of the elastic force of the second spring 23 and limit the sliding block 21, so that the sliding block 21 can be effectively prevented from being separated from the limiting groove 20, and the wire connector 18 is ensured to be tightly connected with the wire connecting hole 17.

When the signal line needs to be removed, the connector lug 18 is rotated against the elastic force of the second spring 23, so that the sliding block 21 pushes the abutting block 24 into the accommodating groove 22. When the slide block 21 enters the position of the slide groove 19, the connector lug 18 is lifted upwards, and the connector lug 18 can be taken out.

In this application technical scheme, in order to cooperate slider 21 to remove in spacing groove 20 inside, also for the convenience to support piece 24 and remove in storage tank 22 inside, second spring 23 can adopt the arc spring.

The second inclined plane is provided with a friction reducing mechanism which is convenient to slide when receiving the acting force of the first inclined plane 26, and the friction reducing mechanism comprises a groove 25 arranged on the second inclined plane and a rotating shaft which is rotatably connected with the inner wall of the groove 25. The friction reducing mechanism is arranged to make the abutting block 24 slide more easily when being acted by the first inclined surface 26, so that the abutting block 24 can enter the accommodating groove 22 to complete the installation and the limiting of the connector lug 18.

The respiration sensor 4: install in face guard 5, be provided with the microphone in the face guard 5 for when installing respiratory sensor 4, make respiratory sensor 4 hug closely on the microphone, respiratory sensor 4 is provided with the response window towards the oronasal direction, and respiratory sensor 4's side is provided with superfine communication cable, draws forth face guard 5. When the face guard 5 is worn, the oral and nasal position (holding district 7) forms airtight space, the air intake of face guard 5 is by the air compressor machine transport fresh air in a distance, its airflow is invariable basically, when the operation personnel breathe, can cause the interior small change of air current of cavity, the response window of breathing sensor 4 detects this small change signal, just so effectively monitor operation personnel's breathing signal, superfine communication cable draws forth along the face, because keep the malleation throughout in the cavity, can not cause outside toxic gas's entering.

Ear clip heart rate sensor 3: when wearing face guard 5, ear clip heart rate sensor 3 fixes on fixed band 6, draws forth the ear clip and presss from both sides on operation personnel's earlobe, detects the change of earlobe blood vessel terminal blood volume, and the MCU of ear clip heart rate sensor 3 calculates real-time rhythm of the heart after detecting this signal.

Bone conduction voice module 2: when bone conduction voice module 2 acted, realized the operation personnel and talked in real time with the outside, bone conduction voice module 2 and ear clip heart rate sensor 3 closed as an organic whole, fixed band 6 is fixed. Bone conduction voice module 2 is provided with the piezoelectricity response face towards facial one side, and it acts on the skeleton of human earlobe below, when the staff speaks, drives its skeleton vibrations, and the piezoelectricity response face receives this vibration signal just can restore into sound, and its sound signal passes through the power cord loading conduction of 485 cable, and the superfine communication cable that respiratory sensor 4 drew is connected to bone conduction voice module 2's casing in, and 485 communication cable is drawn forth with detection host computer 1 to this casing and is connected.

RS485 communication module: convert the data and the speech signal that respiratory sensor 4, ear clip heart rate sensor 3, the 2 collections of bone conduction voice module into 485 communication signals to and the speech signal of loading on the power cord is connected with detection host computer 1.

Among this application technical scheme, respiratory sensor 4, ear clip heart rate sensor 3, bone conduction voice module 2 constitute accessible face guard 5 and dress in the monitor of operation personnel head, and the data that detects host computer 1 and upload a plurality of monitors are concentrated, are connected to the computer through USB communication module, and system software receives monitoring data to set up alarm threshold, realize real-time supervision, record, the warning to narrow space operation personnel.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a narrow space operation personnel life detecting system which characterized in that: the detection device comprises a detection host (1) and a mask (5), wherein the detection host (1) is connected with a bone conduction voice module (2) through a signal line, the bone conduction voice module (2) is respectively connected with an ear clip heart rate sensor (3) and a respiration sensor (4) through signal lines, a fixing band (6) and a containing area (7) are arranged on the mask (5), a connector lug (18) is arranged at the end part inserted with the signal line of the detection host (1), a connector lug hole (17) matched with the connector lug (18) is formed in the detection host (1), and an anti-falling mechanism is arranged between the connector lug hole (17) and the connector lug (18);

the respiratory sensor installing device is characterized in that a connecting mechanism for installing the respiratory sensor (4) is arranged on the accommodating area (7), and the connecting mechanism comprises first shells (8) which are oppositely arranged on two sides of the accommodating area (7), a placing groove (9) which is arranged in the first shells (8) and is matched with the respiratory sensor (4), an accommodating cavity (10) which is arranged in the first shells (8) and is communicated with the placing groove (9), and a second shell (11) which is fixed with the first shells (8);

the respiratory sensor (4) is detachably mounted in the second shell (11), and the mounting mechanism comprises a limiting rod (12) which is in sliding connection with the side wall of the second shell (11) and extends into the accommodating cavity (10), a baffle disc (13) fixed on the limiting rod (12), a first spring (14) connected between the baffle disc (13) and the inner wall of the second shell (11), and an inclined end (15) and a horizontal end (16) which are arranged at the end part of the limiting rod (12);

anti-drop mechanism is including being fixed in slider (21) on connector lug (18), set up in wiring hole (17) lateral wall and with slider (21) complex spout (19), set up in spout (19) tip and with spacing groove (20), storage tank (22) of spout (19) intercommunication to and through second spring (23) and storage tank (22) inner wall connection be used for pushing into spacing groove (20) with slider (21) and carry out spacing piece (24) of supporting, be equipped with first inclined plane (26), the second inclined plane of mutually supporting on slider (21), the piece (24) of supporting respectively.

2. The narrow space worker life detection system of claim 1, wherein: the side of the baffle disc (13) is provided with a mounting groove, and a ball is arranged in the mounting groove.

3. The narrow space worker life detection system of claim 1, wherein: be equipped with on the second inclined plane and be convenient for gliding friction mechanism that falls when receiving first inclined plane (26) effort, it includes recess (25) of seting up on the second inclined plane to fall friction mechanism to and rotate the pivot of being connected between with recess (25) inner wall.

4. The narrow space worker life detection system of claim 1, wherein: the inclined ends (15) are arranged in bilateral symmetry about the axis of the limiting rod (12), and the horizontal end (16) is arranged between the inclined ends (15).

5. The narrow space worker life detection system of claim 1, wherein: the air inlet is arranged on the face mask (5) and is connected with the air outlet of the air compressor through a connecting pipe.