CN112814409A

CN112814409A - Construction site faces limit and prevents ground bed board and system that falls

Info

Publication number: CN112814409A
Application number: CN202110159162.XA
Authority: CN
Inventors: 张永成; 陈管管; 陶奕龙; 陆路; 金丽君
Original assignee: Huaiyin Institute of Technology
Current assignee: Huaiyin Institute of Technology
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-05-18

Abstract

The invention discloses a construction site near-edge anti-falling ground floor and a system, wherein the ground floor comprises a supporting structure, a pressure sensing plate, a buffering structure, a plurality of pressure sensors, a pressure acquisition module, a controller and an alarm module. The pressure sensing plate is arranged on the supporting structure, and the buffer structure is arranged between the pressure sensing plate and the supporting structure. The pressure sensors are arranged in a closed space formed between the pressure sensing plate and the supporting structure and are mechanically connected with the pressure sensing plate. The pressure acquisition module is electrically connected with the pressure sensor, the controller is electrically connected with the pressure acquisition module, and the alarm module is electrically connected with the controller. According to above-mentioned technical scheme's construction place faces limit ground bed board that falls, can lay at the height drop edge in construction place, can initiatively send audible-visual alarm to warn constructor when constructor tramples on the bed board, prevent that constructor from falling from the edge, improve construction safety factor.

Description

Construction site faces limit and prevents ground bed board and system that falls

Technical Field

The invention relates to the field of construction safety equipment, in particular to a construction site edge anti-falling ground floor slab and a system.

Background

The building construction is the third industry of safety accident position in each industry of China, the construction danger coefficient is extremely high, the high-altitude falling accident accounts for the highest proportion, and is as high as 68.2%, high-altitude falling protection measures are quite important to be made, the high-altitude falling protection measures are the key for guaranteeing the personal safety of building workers and stabilizing the construction progress, the construction activities are adversely affected when the high-altitude falling accidents occur in the building construction, the construction quality can be effectively improved, the accidents are effectively reduced, however, the problem to be solved in each building construction site at present is very single and low in efficiency, and the warning is lack of active warning reminding if posters are posted, safety training exercises are performed, ordinary handrails are set up, and the like.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide a side anti-falling ground floor board for a construction site, which can actively remind constructors when detecting that the constructors trample, and prevent the constructors from falling from the edge to cause safety accidents.

The invention also aims to provide an edge anti-falling system for a construction site, which is easy to build, can reduce the risk of constructors falling off a platform or falling into a cave entrance, and improves the construction safety.

The technical scheme is as follows: the invention relates to a construction site edge anti-falling ground floor slab, which comprises: a support structure; a pressure sensing plate disposed on the support structure; the buffer structure is arranged between the pressure sensing plate and the support structure; the pressure sensors are arranged in a closed space formed between the pressure sensing plate and the supporting structure, and are mechanically connected with the pressure sensing plate; the pressure acquisition module is electrically connected with the pressure sensor; the controller is electrically connected with the pressure acquisition module; and the alarm module is electrically connected with the controller.

Further, still include human proximity sensor, human proximity sensor set up in the pressure sensing board with in the airtight space that bearing structure formed, human proximity sensor with controller electric connection.

Further, the pressure sensors are arranged between the pressure sensing plate and the supporting structure in a matrix shape.

Furthermore, the pressure sensors are divided into a plurality of groups by taking the distance from the pressure sensor plate to one side as a reference, and each group of pressure sensors is respectively and electrically connected with one pressure acquisition module.

Further, the buffer structure comprises a buffer pad made of elastic material and/or a spring or a gas spring arranged between the pressure sensors at intervals.

Furthermore, a connector is arranged on the periphery of the supporting structure and electrically connected with the controller.

Furthermore, the alarm module comprises LED lamp strips arranged around the pressure sensing plate and a loudspeaker arranged between the pressure sensing plate and the supporting structure.

Further, the alarm module further comprises a vibration motor, and the vibration motor is mechanically connected with the supporting structure.

Further, the width of the pressure sensing plate is 70-100 cm, and the length of the pressure sensing plate is 1.4-2.4 m.

The construction site edge anti-falling system comprises a plurality of construction site edge anti-falling ground floor slabs, wherein the construction edge anti-falling ground floor slabs are tightly laid along the edge of a construction site, and the construction site edge anti-falling ground floor slabs are connected with photovoltaic cells.

Has the advantages that: compared with the prior art, the invention has the following advantages:

1. whether the constructor faces the limit is judged by detecting whether the constructor tramples or not, and the constructor is prevented from falling down by actively alarming in the modes of sound and light and the like.

2. The human body detection sensor is arranged, so that construction vibration and false triggering of animals such as birds are prevented, and the false alarm rate is reduced.

3. The ground floor boards can be connected in series and in parallel through the connectors measured in the circumference, and linkage control is realized.

4. The system can be formed to prevent falling protection only by paving along the edge with height difference of the construction site, and the system is easy to implement.

Drawings

FIG. 1 is a side cross-sectional view of a first embodiment of a floor deck of the present invention;

FIG. 2 is a schematic internal top view of a second embodiment of the floor deck of the present invention;

FIG. 3 is a side schematic view of a second embodiment of the floor deck of the present invention;

FIG. 4 is a schematic view of the work flow of the floor mat of the present invention.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

Referring to fig. 1, the construction site near-edge anti-falling ground deck according to the embodiment of the invention comprises a supporting structure 100, a pressure sensing plate 200, a buffer structure, a plurality of pressure sensors 300, a pressure acquisition module, a controller and an alarm module. Wherein the pressure sensing plate 200 is disposed on the supporting structure 100 for bearing weight and transmitting pressure borne by the upper surface thereof. The buffer structure is disposed between the pressure sensing plate 200 and the supporting structure 100, and is used for absorbing impact force and preventing the pressure sensing plate 200 from being severely deformed. The pressure sensor 300 is disposed in the sealed space formed between the pressure sensing plate 200 and the supporting structure 100, and the pressure sensor 300 is mechanically connected to the pressure sensing plate 200, receives the pressure detected by the pressure sensing plate 200, and deforms to convert the pressure into an electrical signal. The pressure acquisition module is electrically connected with each pressure sensor 300, the pressure acquisition module is also electrically connected with the controller, and the pressure acquisition module collects the electric signals converted by the pressure sensors 300 and then transmits the electric signals to the controller. Alarm module and controller electric connection send information warning such as sound or light under the control of controller and step on the constructor on the ground bed board, prevent that constructor from falling the injury from the edge. It can be understood that the controller can be a programmable controller such as a PLC, a single chip, etc., the pressure acquisition module needs to be selected according to the pressure sensor 300 and the controller, and can be an analog expansion module of the PLC, or an analog acquisition card. The pressure sensing plate 200 may be made of acrylic plate or tempered glass, which has a relatively high rigidity.

According to above-mentioned technical scheme's construction place faces limit and prevents the ground bed board that falls, lay it in the edge of construction place, when constructor steps on the ground bed board on, pressure sensor board 200 will step on the pressure transmission who steps on and give pressure sensor 300, pressure sensor 300 turns into electric signal transmission with it and gives the controller for, the controller sends audible-visual alarm according to electric signal control alarm module and warns constructor, make constructor keep away from the place edge, reduce the probability that the incident such as falls takes place, improve the factor of safety of construction. Meanwhile, the ground floor plates are only needed to be laid on the edges of the high positions with higher height fall in the construction field, and the construction method is easy to implement.

Referring to fig. 2, in some embodiments, in order to prevent false alarm caused by construction vibration and mistaken stepping on of animals such as birds and cats, a human proximity sensor 600 is further disposed between the pressure sensing plate 200 and the supporting structure 100, the human proximity sensor 600 is electrically connected to the controller, and the controller controls the alarm module to give an alarm when the pressure sensor 300 and the human proximity sensor 600 are triggered simultaneously. In this embodiment, the human body proximity sensor 600 uses 10.525GHz microwave, and adopts the doppler technology principle, and the planar antenna of the human body proximity sensor 600 is horizontally disposed on one side of the pressure sensor 300, and the detection direction of the planar antenna is upward.

Referring to fig. 2, in some embodiments, the pressure sensors 300 are disposed between the pressure sensing plate 200 and the supporting structure 100 in a matrix shape, the pressure sensors 300 are divided into a plurality of groups according to a distance from an edge of the pressure sensing plate 200, each group of pressure sensors 300 is electrically connected to a corresponding pressure acquisition module, and the controller controls the alarm module to perform different alarm actions according to the triggered group of pressure sensors 300. In this embodiment, the pressure sensors 300 are based on the distance from the edge of the construction site, the distance from the edge is 30 to 60cm and is used as a first detection group, the distance from the edge is 60 to 80cm and is used as a second detection group, the distance from the edge is 80 to 100cm and is used as a third detection group, the priority of the first detection group is highest, the priorities of the second detection group and the third detection group are sequentially reduced, the pressure sensors 300 belonging to the detection groups with different priorities are simultaneously triggered, and the alarm module executes the alarm action corresponding to the triggered highest priority. In this embodiment, the first detection group is a high risk area closest to the edge, and is prohibited from performing all activities and continuously alarms when triggered; the second detection group is a medium risk area close to the edge, construction activities can be carried out if necessary, and an alarm is given for 10s when triggered; the third detection group is a low risk area far away from the edge, can properly perform construction activities, and gives an alarm for 5s when being triggered.

Referring to fig. 1 and 2, in some embodiments, the buffer structure includes a buffer pad 400 made of an elastic material such as rubber and/or a spring or gas spring 410 disposed between the pressure sensors 300 at intervals. In this embodiment, a cushion 400 made of rubber is padded under the pressure sensing plate 200, and the upper end of the pressure sensor 300 is connected to the pressure sensing plate 200 through the cushion 400. The gas spring 410 is disposed at the center of every four pressure sensors 300, and absorbs the damping force while increasing the load-bearing capacity of the pressure sensing plate 200.

Referring to fig. 3, in some embodiments, connectors 110 are arranged around the supporting structure 100, the connectors 110 are electrically connected to the controller, adjacent ground slabs can be connected to each other through the connectors 110, linkage is achieved, the treaded ground slabs can transmit signals to the adjacent ground slabs through the connectors 110, common alarm is given, constructors are better warned, and meanwhile the triggered position is convenient to locate.

Referring to fig. 1 and 2, in some embodiments, the alarm module includes an LED light bar 500 and a speaker. The LED lamp strips 500 are arranged in the circumferential direction of the pressure sensing plate 200, the LED lamp strips 500 can emit light under the control of the controller to warn constructors, and the controller can also control the flickering sequence of the LED lamp strips 500 to indicate the positions of the trampled ground floor boards. In some embodiments, the alarm module further comprises a vibration motor mechanically coupled to the support structure 100, which not only tactilely further alerts the constructor, but also drives the animals stepping on the floor deck by vibration when only the pressure sensor 300 is activated and the human proximity sensor 600 is not activated.

In some embodiments, the area of the floor deck, i.e., the area of the pressure sensing plate 200, is between 70 and 100cm and the length is between 1.4 and 2.4 meters, covering the normal step distance, preventing the builder from falling off the edge directly across the floor deck.

Referring to fig. 4, the working process of the construction site near-edge anti-falling ground deck according to the present invention is shown in the figure, when the pressure sensor 300 and the human body proximity sensor 600 are simultaneously triggered, the controller controls the alarm module to perform a corresponding alarm action according to the group of the triggered pressure sensor 300, so as to warn constructors; when the pressure sensor 300 is triggered and the human proximity sensor 600 is not triggered, the controller drives the vibration motor in the alarm module to vibrate and drive the animals.

The construction site edge anti-falling system comprises a plurality of construction site edge anti-falling ground floor slabs, wherein the construction site edge anti-falling ground floor slabs are laid along the edge of a construction site, the construction site edge anti-falling ground floor slabs are also electrically connected with a photovoltaic cell, the photovoltaic cell can completely or partially provide electric energy for the ground floor slabs, and the reliability of the construction site edge anti-falling system is improved while the electric energy is saved.

Claims

1. The utility model provides a construction site faces limit and prevents ground bed board that falls which characterized in that includes:

a support structure (100);

a pressure sensing plate (200) disposed on the support structure (100);

a buffer structure disposed between the pressure sensing plate (200) and the support structure (100);

a plurality of pressure sensors (300) disposed in a sealed space formed between the pressure sensing plate (200) and the support structure (100), the pressure sensors (300) being mechanically connected to the pressure sensing plate (200);

the pressure acquisition module is electrically connected with the pressure sensor (300);

the controller is electrically connected with the pressure acquisition module;

and the alarm module is electrically connected with the controller.

2. The construction site edge-facing anti-falling floor deck according to claim 1, further comprising a human body proximity sensor (600), wherein the human body proximity sensor (600) is arranged in a closed space formed by the pressure sensing plate (200) and the supporting structure (100), and the human body proximity sensor (600) is electrically connected with the controller.

3. The construction site edge fall protection floor deck according to claim 2, wherein the pressure sensors (300) are arranged in a matrix between the pressure sensing plate (200) and the support structure (100).

4. The construction site edge anti-falling floor plank as claimed in claim 3, wherein the pressure sensors (300) are divided into a plurality of groups based on the distance from one side of the pressure sensing plate (200), and each group of the pressure sensors (300) is electrically connected with a pressure acquisition module.

5. The construction site edge fall prevention floor deck according to claim 3, wherein the buffer structure comprises a cushion pad (400) made of an elastic material and/or a spring or gas spring (410) arranged at intervals between the pressure sensors (300).

6. The construction site edge fall prevention floor deck according to claim 1, wherein connectors (110) are provided around the support structure (100), and the connectors (110) are electrically connected to the controller.

7. The construction site edge anti-falling floor plank as claimed in claim 1, wherein the alarm module comprises LED light bars (500) disposed around the pressure sensing plate (200) and a speaker disposed between the pressure sensing plate (200) and the support structure (100).

8. The construction site edge fall protection floor plank as claimed in claim 7, wherein the alarm module further comprises a vibration motor mechanically connected to the support structure (100).

9. The construction site edge-facing anti-falling ground deck according to claim 1, wherein the width of the pressure sensing plate (200) is 70-100 cm, and the length of the pressure sensing plate (200) is 1.4-2.4 m.

10. The utility model provides a construction site faces limit anti-falling system, includes a plurality of according to any one of claims 1 to 9 the construction site face limit anti-falling ground bed board, its characterized in that, the construction site faces limit anti-falling ground bed board and closely lays along the edge of construction site, the construction site faces limit anti-falling ground bed board and is connected with photovoltaic cell.