Limited space operation risk early warning device

Abstract

The utility model relates to the technical field of early warning devices, and discloses a limited space operation risk early warning device, which solves the problem that risk early warning cannot be realized in a limited space, and comprises a toxic gas concentration monitor, an external receiving device, a wireless vibration bracelet and a distributed wireless network structure, the distributed wireless network structure is composed of an AC controller, a POE switch and a plurality of wireless APs, a first buzzer alarm is arranged on one side of the toxic gas concentration monitor, a wireless module is arranged on the side, close to the first buzzer alarm, of the toxic gas concentration monitor, an antenna is arranged on the wireless module, and the wireless AP is connected with the wireless module. A linear vibration motor and a connecting belt are arranged on one side of the toxic gas concentration monitor, and the external receiving device is composed of a supporting frame, a controller, a second buzzer alarm and three alarm indicating lamps; through the early warning device, remote early warning can be realized, and the safety of workers in a limited space is improved.

Description

Technical Field

[0001] This utility model belongs to the field of early warning device technology, specifically a risk early warning device for confined space operations. Background Technology

[0002] Confined spaces typically refer to enclosed or partially enclosed spaces with narrow and limited entrances and exits, not designed as fixed workplaces, with poor natural ventilation, and prone to the accumulation of toxic, harmful, flammable, and explosive substances or insufficient oxygen content. Confined space operations exist in various industries, such as cable well construction and sewage well construction. There is generally no signal in confined spaces, so ensuring the safety of workers in confined spaces is of paramount importance. Therefore, this application proposes a confined space operation risk warning device. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model provides a confined space operation risk warning device, which effectively solves the problem that risk warning cannot be achieved in confined spaces.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a confined space operation risk warning device, comprising a toxic gas concentration monitor, an external receiving device, a wireless vibration wristband, and a distributed wireless network structure. The toxic gas concentration monitor is worn by the worker in the confined space, the external receiving device is installed outside the confined space, and the wireless vibration wristband is worn by the monitoring personnel. The toxic gas concentration monitor, the external receiving device, and the wireless vibration wristband are all connected to the distributed wireless network structure.

[0005] The distributed wireless network structure consists of an AC controller, a PoE switch, and several wireless APs. The AC controller is connected to the Internet and has wireless routing capabilities. The PoE switch and external receiving devices are connected to the AC controller via network cables. The wireless APs are connected to the PoE switch via network cables. The wireless vibration wristband is wirelessly connected to the AC controller. The toxic gas concentration monitor is wirelessly connected to the wireless APs.

[0006] A buzzer alarm is installed on one side of the toxic gas concentration monitor. A wireless module is installed on the side of the toxic gas concentration monitor close to the buzzer alarm. An antenna is installed on the wireless module. A linear vibration motor is fixedly installed in the middle of the side of the toxic gas concentration monitor away from the buzzer alarm. Connecting straps are installed at the top and bottom of the side of the toxic gas concentration monitor close to the linear vibration motor.

[0007] The external receiving device consists of a support frame, a controller, a second buzzer alarm, and three alarm indicator lights. The controller is fixedly connected to one side of the support frame, the second buzzer alarm is connected to one side of the controller, and the three alarm indicator lights are fixedly connected to the top of the support frame.

[0008] Preferably, the connecting band consists of an elastic connecting ring and a T-shaped limiting bracket. The T-shaped limiting bracket is snapped into connection with the toxic gas concentration monitor, and the elastic connecting ring is fixedly connected to one side of the T-shaped limiting bracket.

[0009] Preferably, the toxic gas concentration monitor has limit slots at both the top and bottom of the side near the connecting belt. The bottom of the limit slot is provided with a limit block that matches the T-shaped limit seat. The limit block is slidably connected to the inside of the limit slot and connected to the toxic gas concentration monitor through two push springs.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] (1) In operation, by setting up a toxic gas concentration monitor, toxic gas monitoring can be realized. By setting up a buzzer alarm and a linear vibration motor, on-site alarm can be set up to give timely danger warnings to the staff. By setting up a connecting strap, limit slot, limit top block and push spring, it is easy for the staff to wear the toxic gas concentration monitor and to replace the connecting strap. By setting up an external receiving device consisting of a support frame, controller, buzzer alarm and three alarm indicator lights, external alarm can be realized.

[0012] (2) By setting up wireless modules, antennas, and a distributed wireless network structure consisting of an AC controller, a POE switch, and several wireless APs, it is possible to provide wireless networks in a limited space, thereby enabling the transmission of wireless signals and further ensuring security. Attached Figure Description

[0013] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0014] In the attached diagram:

[0015] Figure 1 This is a schematic diagram of the structure of the confined space operation risk early warning device of this utility model;

[0016] Figure 2 This is one of the structural schematic diagrams of the toxic gas concentration monitoring instrument of this utility model;

[0017] Figure 3 This is the second schematic diagram of the toxic gas concentration monitor of this utility model;

[0018] Figure 4 This is a schematic diagram of the connecting strip structure of this utility model;

[0019] Figure 5 This utility model Figure 3 A magnified view of a section at point A in the middle;

[0020] Figure 6 This is a schematic diagram of the external receiving device structure of this utility model;

[0021] Figure 7 This is a schematic diagram of the structure of the wireless vibration bracelet of this utility model;

[0022] In the diagram: 1. Toxic gas concentration monitor; 2. External receiving device; 3. Wireless vibration wristband; 4. Distributed wireless network structure; 5. AC controller; 6. PoE switch; 7. Wireless AP; 8. Buzzer alarm one; 9. Wireless module; 10. Antenna; 11. Linear vibration motor; 12. Connecting strap; 13. Support frame; 14. Controller; 15. Buzzer alarm two; 16. Alarm indicator light; 17. Elastic connecting ring; 18. T-shaped limit seat; 19. Limit slot; 20. Limit top block; 21. Push spring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] Depend on Figures 1 to 7 The present invention provides a confined space operation risk warning device, comprising a toxic gas concentration monitor 1, an external receiving device 2, a wireless vibration wristband 3, and a distributed wireless network structure 4. The toxic gas concentration monitor 1 is worn by the worker in the confined space, the external receiving device 2 is installed outside the confined space, and the wireless vibration wristband 3 is worn by the monitoring personnel. The toxic gas concentration monitor 1, the external receiving device 2, and the wireless vibration wristband 3 are all connected to the distributed wireless network structure 4.

[0025] The toxic gas concentration monitor 1 is worn on the upper arm of the worker in the confined space, the wireless vibration wristband 3 is worn on the wrist of the monitor, and the distributed wireless network structure 4 realizes network interconnection, thereby enabling signal transmission.

[0026] The distributed wireless network structure 4 consists of an AC controller 5, a POE switch 6, and several wireless APs 7. The AC controller 5 is connected to the Internet and has wireless routing function. The POE switch 6 and the external receiving device 2 are both connected to the AC controller 5 via network cables. The wireless APs 7 are connected to the POE switch 6 via network cables. The wireless vibration wristband 3 is wirelessly connected to the AC controller 5. The toxic gas concentration monitor 1 is wirelessly connected to the wireless APs 7.

[0027] By combining AC controller 5, POE switch 6 and several wireless AP7, a wireless network coverage can be formed in a limited space, thereby enabling the transmission of wireless signals.

[0028] AC controller 5 can be: Huawei AC6005, Ruijie RG-M8600E-WS-ED

[0029] PoE switches 6 can be equipped with: Huawei S5735S-L8P4S-QA2, Tenda TEG1016M, Ruijie RG-ES126GS-LP-E;

[0030] The wireless AP7 can be equipped with: Huawei AP3030DN;

[0031] A buzzer alarm 8 is installed on one side of the toxic gas concentration monitor 1. A wireless module 9 (Broadcom IT6334) is installed on the side of the toxic gas concentration monitor 1 closest to the buzzer alarm 8. An antenna 10 is installed on the wireless module 9. A linear vibration motor 11 is fixedly installed in the middle of the side of the toxic gas concentration monitor 1 furthest from the buzzer alarm 8. Connecting straps 12 are installed at the top and bottom of the side of the toxic gas concentration monitor 1 closest to the linear vibration motor 11.

[0032] The toxic gas concentration monitor 1 enables toxic gas detection, the buzzer alarm 8 and the linear vibration motor 11 enable on-site alarms, allowing workers to leave the danger zone as quickly as possible, the wireless module 9 and the antenna 10 enable wireless signal transmission, and the connecting strap 12 makes it easy for workers to wear.

[0033] The external receiving device 2 consists of a support frame 13, a controller 14, a second buzzer alarm 15, and three alarm indicator lights 16. The controller 14 is fixedly connected to one side of the support frame 13, the second buzzer alarm 15 is connected to one side of the controller 14, and the three alarm indicator lights 16 are fixedly connected to the top of the support frame 13.

[0034] Controller 14 enables data connection and control, while buzzer alarm 15 and alarm indicator 16 enable hazard alarms.

[0035] The connecting belt 12 is composed of an elastic connecting ring 17 and a T-shaped limiting seat 18. The T-shaped limiting seat 18 is snapped into connection with the toxic gas concentration monitor 1. The elastic connecting ring 17 is fixedly connected to one side of the T-shaped limiting seat 18. The top and bottom ends of the toxic gas concentration monitor 1 near the connecting belt 12 are provided with limiting slots 19. The bottom end of the limiting slot 19 is provided with a limiting top block 20 that matches the T-shaped limiting seat 18. The limiting top block 20 is slidably connected to the inside of the limiting slot 19 and connected to the toxic gas concentration monitor 1 through two push springs 21.

[0036] Depending on the thickness of the worker's arm, the connecting belt 12 can be replaced. When replacing it, press down the T-shaped limit seat 18. The T-shaped limit seat 18 will drive the limit top block 20 to press down. Then, separate the top of the T-shaped limit seat 18 from the limit slot 19, and the T-shaped limit seat 18 can be pulled out to release the limit.

[0037] In operation, the system is equipped with a toxic gas concentration monitor to detect toxic gases. A buzzer alarm and a linear vibration motor provide on-site alerts, promptly warning workers of potential dangers. Connecting straps, limit slots, limit blocks, and push springs facilitate the wearing of the monitor and allow for easy replacement of the connecting straps. An external receiver consisting of a support frame, controller, buzzer alarm, and three alarm indicator lights enables external alarm functionality. Furthermore, a wireless module, antenna, and a distributed wireless network structure comprised of an AC controller, PoE switch, and several wireless access points provide wireless network coverage within confined spaces, ensuring wireless signal transmission and further enhancing safety.

Claims

1. A confined space operation risk early warning device, comprising a toxic gas concentration monitor (1), an external receiving device (2), a wireless vibration wristband (3), and a distributed wireless network structure (4), characterized in that: The toxic gas concentration monitor (1) is worn by the staff in the confined space, the external receiving device (2) is installed outside the confined space, and the wireless vibration bracelet (3) is worn by the monitoring personnel. The toxic gas concentration monitor (1), the external receiving device (2) and the wireless vibration bracelet (3) are all connected to the distributed wireless network structure (4). The distributed wireless network structure (4) consists of an AC controller (5), a POE switch (6) and several wireless APs (7). The AC controller (5) is connected to the Internet and has wireless routing function. The POE switch (6) and the external receiving device (2) are connected to the AC controller (5) via network cables. The wireless APs (7) are connected to the POE switch (6) via network cables. The wireless vibration wristband (3) is wirelessly connected to the AC controller (5). The toxic gas concentration monitor (1) is wirelessly connected to the wireless APs (7). A buzzer alarm (8) is installed on one side of the toxic gas concentration monitor (1). A wireless module (9) is installed on the side of the toxic gas concentration monitor (1) close to the buzzer alarm (8). An antenna (10) is installed on the wireless module (9). A linear vibration motor (11) is fixedly installed in the middle of the side of the toxic gas concentration monitor (1) away from the buzzer alarm (8). A connecting strap (12) is installed at the top and bottom of the side of the toxic gas concentration monitor (1) close to the linear vibration motor (11). The external receiving device (2) consists of a support frame (13), a controller (14), a second buzzer alarm (15), and three alarm indicator lights (16). The controller (14) is fixedly connected to one side of the support frame (13), the second buzzer alarm (15) is connected to one side of the controller (14), and the three alarm indicator lights (16) are fixedly connected to the top of the support frame (13).

2. The confined space operation risk early warning device according to claim 1, characterized in that: The connecting band (12) is composed of an elastic connecting ring (17) and a T-shaped limiting seat (18). The T-shaped limiting seat (18) is connected to the toxic gas concentration monitor (1). The elastic connecting ring (17) is fixedly connected to one side of the T-shaped limiting seat (18).

3. The confined space operation risk early warning device according to claim 2, characterized in that: The toxic gas concentration monitor (1) has a limit slot (19) at both the top and bottom of the side near the connecting strip (12). The bottom of the limit slot (19) is provided with a limit top block (20) that matches the T-shaped limit seat (18). The limit top block (20) is slidably connected to the inside of the limit slot (19) and connected to the toxic gas concentration monitor (1) through two push springs (21).

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