CN111236704A - Panel, panel load real-time test system and panel load safety control system - Google Patents
Panel, panel load real-time test system and panel load safety control system Download PDFInfo
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- CN111236704A CN111236704A CN202010074564.5A CN202010074564A CN111236704A CN 111236704 A CN111236704 A CN 111236704A CN 202010074564 A CN202010074564 A CN 202010074564A CN 111236704 A CN111236704 A CN 111236704A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
- E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
- E04H3/22—Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes
- E04H3/24—Constructional features of stages
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
- E04C2/324—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with incisions or reliefs in the surface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
- G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
- G01L1/146—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors for measuring force distributions, e.g. using force arrays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
- G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
- G01L1/148—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors using semiconductive material, e.g. silicon
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The application belongs to the technical field of intelligent temporary stage safety, and particularly relates to a panel, a panel load real-time testing system and a panel load safety management and control system. The traditional temporary stage panel is easy to damage in the transportation and use process, and the durability, the maintainability and the reusability of the traditional temporary stage panel are low. The application provides an intelligent panel, which consists of a substrate, a sensing layer, a filling adhesive layer and a rubber plate; the substrate is connected with the rubber plate through the bonding layer. The panel and panel load real-time testing and control system provided by the application utilizes a crowd load calculation model of experimental research, is applied to an aluminum plate-sensing layer-comprehensive filling layer-rubber combined stage plate, combines modern sensing and processing technologies thereof, realizes visualization of panel load, response, calculation and prediction, not only provides important load information for ensuring the safety of a stage structure, but also can expand the intelligent application field of the panel, and embodies the characteristics of convenience, universality and intelligence of temporary structural members.
Description
Technical Field
The application belongs to the technical field of intelligent temporary stage safety, and particularly relates to a panel, a panel load real-time testing system and a panel load safety management and control system.
Background
The determination of the crowd load is the core of the safety design of the large temporary stage structure and is also an important content for ensuring the optimization and the controllability of the temporary stage structure. With the culture industry as the national economic support industry in China, the intelligentized promotion of the culture technology faces the opportunity period and the alternation period of international competition and industrial upgrading, for a large temporary stage, a reusable structure is a key main body for successful performance of indoor and outdoor show sites, and the intelligent design of crowds and stage boards becomes the core technology of stage structure design; on the other hand, besides the performance field, the stage board can also be used as an important structural component in the social development fields of temporary stands, ski resorts, exhibition stands, temporary dwellings, hotels, military warehouses, water culture, polar houses and the like, and has very important significance. The intelligent temporary stage board technology based on the crowd load identification technology is researched and developed, the intelligent application of the temporary stage board is promoted, the important content of structural innovation of a large-scale temporary stage is provided, and the main power of international market competition and development of high-end science and technology of temporary stage culture is provided.
Under the market demands of great growth and prosperity of culture and body building, the demand of the temporary stage is sharply increased by the aid of constantly-increased scientific performance activities, the temporary stage structural members are derived from scaffolds and template supports, the safety coefficient of most temporary stage structures used in the current market is low, the construction quality guarantee is not in place, the specification and the supervision efficiency are difficult to improve, and collapse accidents often happen to the traditional temporary stage. According to statistics, people load calculation errors and unreasonable structural design are main reasons of temporary stage structure damage. Therefore, the safety control technology matched with the temporary stage supporting system is developed, and the safety control technology plays a very key role in reducing and avoiding accidents.
The temporary stage structural design of tradition, the panel also has to suffer destruction easily in transportation, use except having the potential safety hazard, and material moisture resistance is poor, and the turnover rate of utilization is low.
Disclosure of Invention
1. Technical problem to be solved
To the interim stage structural design of tradition, the panel also has to suffer destruction easily in transportation, use except there being the potential safety hazard, and the material humidity resistance is poor, and the problem that the turnover rate of utilization is low, this application provides a panel, panel load real-time test system and panel load safety control system.
2. Technical scheme
In order to achieve the purpose, the application provides a novel bearing panel which sequentially comprises a substrate, a sensing layer, an adhesive layer and a rubber plate, wherein the substrate is connected with the rubber plate through the adhesive layer.
Another embodiment provided by the present application is: the base plate is knurling aluminum plate, knurling aluminum plate surface is the concave-convex form, knurling aluminum plate surface has a plurality of apertures.
Another embodiment provided by the present application is: the adhesive layer includes a sound absorbing material layer and an adhesive agent bonded to each other.
Another embodiment provided by the present application is: the embossed aluminum plate is not less than 2mm in thickness, the rubber plate is modified silicon-containing nitrile rubber, the elasticity, the wear resistance, the bending resistance and the low-temperature resistance of the rubber are improved by adding rare earth materials, and the initial minimum thickness of the rubber plate meets the thickness requirement of repeated disassembly.
A panel load real-time test system is characterized in that a plurality of pressure sensors are arranged in a panel, the pressure sensors collect data through a high-speed wireless collector, transmit codes according to 5G, and perform data processing and expression in an IOT (sensor network) mode established in an M2M mode.
The pressure sensor is used for measuring the static and dynamic control load of the panel mainly based on the load of people and also comprises the explosion impact load, and the IOT is used for processing the unchangeable wide-area storage and the functional display and expression thereof, which are confirmed, filed and calculated in real time by the large data state of stress strain and the regional interconnection of data when the panel is used for an intelligent temporary stage, a stand and other temporary structural spaces.
Another embodiment provided by the present application is: the pressure sensor is a capacitance pressure sensor, the pressure sensor is divided into a main setting area and an auxiliary setting area according to the specification of a panel and the arrangement basis of a main stress trace model, wherein the main setting area is mainly arranged in a main bearing area and the central position of the panel, and the auxiliary setting area is mainly distributed at the edge of the panel according to the function requirement.
A panel load safety management and control system is characterized in that a panel load real-time acquisition, calculation and analysis system is connected with a monitoring unit, the monitoring unit is connected with a sensing network management and control unit, and the monitoring unit comprises a safety early warning module; (ii) a
The monitoring unit is used for identifying dangerous deformation areas and stress states of the panel according to the obtained panel load, and the safety early warning unit is used for autonomously learning operation and maintenance strategy control methods under different service environments and providing reasonable panel load bearing course and time effectiveness.
The sending security and maintenance strategy is expressed through an IOT process and a remote cloud processing platform, and the intelligent panel is synchronously designed and updated.
3. Advantageous effects
Compared with the prior art, the beneficial effect of the panel, the real-time test system of panel load and the management and control system that this application provided lies in:
the application provides a panel, real-time test system of panel load and management and control system, according to experimental study's crowd load calculation model, use on other interim space structure boards such as knurling aluminum plate-rubber combination stage board, combine modern sensor data processing technology, realize the IOT ization of panel load response, not only increased substantially the safety of the main loading board of interim structure, furthest ensures interim structure's reliability, and can enlarge panel intelligence application, it is convenient to embody interim structural member, general and intelligent characteristic.
The application provides a panel, panel load real-time test system and management and control system mainly be required panel of similar applications such as interim stage, provides one kind based on crowd's load identification model, utilizes embedded sensing technology, acquires impact load such as panel human body in real time, discerns and calculates panel internal force and deformation, according to panel monitoring model, accomplishes panel structure life-cycle real-time field design and safety control.
Drawings
FIG. 1 is a schematic diagram of a panel fabrication process of the present application;
FIG. 2 is a schematic illustration of the panel bonding mechanism of the present application;
FIG. 3 is a schematic view of a pressure sensor installation of the present application;
FIG. 4 is a schematic diagram of the pressure sensor configuration of the present application;
FIG. 5 is a schematic view of a flow of load display information;
FIG. 6 is a schematic diagram of a panel interface test flow of the present application;
in the figure: the sensor comprises a 1-modified rubber plate, a 2-filling layer, a 3-substrate, a 4-sensor, a 5-IOT control system, a 6-vacuum layer, a 7-central membrane, an 8-insulating layer and a 9-base level conducting layer.
Detailed Description
Hereinafter, specific embodiments of the present application will be described in detail with reference to the accompanying drawings, and it will be apparent to those skilled in the art from this detailed description that the present application can be practiced. Features from different embodiments may be combined to yield new embodiments, or certain features may be substituted for certain embodiments to yield yet further preferred embodiments, without departing from the principles of the present application.
Referring to fig. 1 to 6, the present application provides a panel, which sequentially comprises a substrate 3, a comprehensive filling layer 2 and a rubber plate 1; the substrate 3 is connected with the rubber plate 1 through an adhesion process layer 2.
Further, the base plate 3 is an embossed aluminum plate, the surface of the embossed aluminum plate is in a honeycomb shape with holes, and the surface of the embossed aluminum plate is provided with a plurality of specially-made small holes.
Further, the synthetic filling layer 2 comprises sound absorbing and adhesive material.
Panel rubber plate and sensing layer combination bonding technology
⑴ bonding technique
a) The adhesive is manufactured and designed, explosion-proof stirring equipment is used for manufacturing the adhesive, the adhesive is stirred electrically at a certain rotating speed according to the type of the panel, a diluent is added, the viscosity is controlled, the thickness of the adhesive film meets the performance of the panel when the panel is disassembled and bent for many times in winter, the thickness of the adhesive is customized according to the use time, the disassembling times and the application environment of the temporary structure, the thickness of the adhesive is selected to be 0.2-4 mm, and a special laser thickness gauge is used for detecting the thickness of the adhesive.
b) The bonding process design of the aluminum plate and the rubber plate,
the connection of the rubber plate and the aluminum plate mainly adopts the treatment of three construction method stages of an aluminum substrate surface treatment process, an adhesion process and a sulfur method pressure test. Wherein the surface treatment of the aluminum substrate comprises chromic acid anodizing, nickel plating and degreasing oxidation treatment. The bonding process mainly designs the selection of the gluing thickness, the gluing drying time and the parking time, and adopts different treatment methods according to different purposes and different dismantling times of the panel. After the steps are completed, the bonding strength is detected by adopting a sulfur method pressure and a two-stage treatment condition.
⑵ Panel Sound absorption and shock absorption design
According to the load effect and distribution rule of panel people, in combination with the sound absorption characteristic of materials, the honeycomb porous structure on the surface of the substrate 3 can be designed into the capacity of absorbing vibration and sound according to different hole depths, firstly, a specially processed embossed aluminum plate is adopted, the types and the number of holes on the surface of the embossed aluminum plate are designed, the hole depths are calculated, determined and arranged, and the noise reduction capacity is achieved according to a model; then filling the sound absorption material between the substrate 3 and the rubber plate 1, immersing the sound absorption material into the adhesive with the thickness of not less than 2mm on the upper surface and the lower surface of the sound absorption material respectively under the given temperature condition, standing for a period of time, uniformly placing the sound absorption material between the substrate 3 and the rubber plate 1, testing the filling pressure, completing the bonding process after the thickness required by the given sound absorption strength is met, and forming the comprehensive adhesive layer 2 with certain thickness and rigidity. On the basis of the layer, the energy dissipation element with a certain damping effect is formed with the rubber plate 1, and the energy dissipation element can be used as a panel for a stage and can also be used as a high-grade heat-insulation sound-absorption wallboard and a floor slab capable of bearing load.
The invention relates to a damping plate which is formed by combining an aluminum plate-rubber combined panel with a sound absorption filling layer, wherein the damping plate is formed by combining the aluminum plate-rubber combined panel with the sound absorption filling layer, and for a temporary stage stand panel, as the damping plate directly bears the load of people, if an embossed aluminum plate is simply adopted, the untreated panel can cause great impact on personnel in some special application occasions such as dance actions, so that the comfort level of the panel is poor, and simultaneously great vibration noise is easily generated, therefore, the damping plate is subjected to elastic softening treatment and is an important content of the panel.
In order to improve the utilization rate of the aluminum plate-filling layer-rubber combined comprehensive panel, the aluminum plate and the rubber plate are reliably connected, and the plate is convenient to connect, detach and maintain and reusable.
This application still provides a real-time test system of panel load be provided with a plurality of pressure sensor 4 in the panel, pressure sensor 4 is connected with IOT-management and control system 5, pressure sensor 4 is used for surveing crowd's load and impact load on the panel, IOT-management and control system is used for comprehensive treatment and expresses to the intelligence of crowd's load information.
Further, the pressure sensor 4 is a contact-type capacitance pressure sensor, and is divided into a main stress monitoring setting area with a large area and an edge stress detection area with a small area, i.e., a secondary stress monitoring area.
The capacitive pressure sensor and the aluminum plate are connected by a technology, and a line type sensor is manufactured by applying an MEMS technology. After the test, the materials meet the requirements of sensitivity, response time and load range, and then are placed. Through the sensor attachment device, the sensor can sense pressure and can also be used as a panel support.
A silicon capacitance type pressure sensor is characterized in that a sensing diaphragm, namely a silicon central diaphragm 7 is adopted, a proper area is selected through calculation to form a sensor meeting the measuring range requirement, and meanwhile, the time delay of the diaphragm is required to meet the test requirement, so that the accuracy and the effectiveness of data synchronous triggering are guaranteed.
The panel with the embedded pressure sensor is used for collecting the crowd load of the panel of the stage, and is a way for reflecting the stress condition of the panel most directly and truly. The temporary stage panel can be used as a stress component of the structure and also can be used as a force measuring tool. Due to the variability and diversity of temporary environments, the panel use environment is relatively complex, the strip-type sensor is attached to a prefabricated rectangular truss frame beam, and the sensing truss is connected with the base plate through the anti-loosening bolt, as shown in fig. 3. The research and development of the force measuring device are the most critical contents for realizing intelligent design of the panel, load visualization, panel detection and maintenance.
The method for determining the crowd load information is an important component of the intelligent temporary stage panel and is also a key for ensuring the safety of the stage panel. The crowd load information is the load condition reflected by the regular activities of people (people or crowd on the stage board) on the stage. To obtain the crowd load information, the load form and its coupling must be determined, as outlined below.
For the temporary stage, the crowd load on the upper part of the stage board is mainly generated by stage performers, and the crowd load is walking, bouncing, jumping and the like. After the pressure sensor 4 determines the load of the crowd, main parameters of the load of the crowd are analyzed in time through a pre-embedded computing module, the load of the crowd is refined and analyzed through the IOT management and control system 5, and finally the condition of the temporary stage is expressed through a 5G wireless processing program.
The application also provides a panel load management and control system, the panel load real-time testing system is connected with the management and control unit, the management and control unit comprises an IOT cloud computing and processing system, synchronous information notification can be carried out on all panels in service through the IOT internet of things function, meanwhile, improvement and early warning design can be synchronously carried out on the panels not in service, through the management and control system, recently obtained experiences can be applied to the temporary structure which is being installed or is being tested in real time, and the efficiency of temporary structure quality improvement and comprehensive management can be greatly improved;
the management and control unit is used for obtaining the maximum deformation area and the stress state of the panel according to the obtained panel load, the safety early warning unit inside the management and control unit is used for setting or updating a safety warning threshold value, and when the panel load or other load responses are larger than the safety warning threshold value, an alarm is given in an IOT mode and a subsequent processing strategy is provided.
The panel crowd load collection and safety control technology integrates three parts of panel load analysis software, a panel deformation and stress monitoring subsystem and a safety early warning level maintenance strategy subsystem. After model-based coupling superposition calculation is carried out on the crowd load collected by the sensor, a voltage amplifier is adopted, and after filtering and noise reduction processing, a comprehensive crowd load-time history curve is formed. According to the set parameters and physical attributes of the panel, combined with finite element calculation, the theoretical calculation results of panel deformation and stress calculation are given for the extracted load peak value, and then the related information is processed in a process and a remote mode through an IOT management and control system.
The method corresponding to the early warning subunit technology in the panel intelligent control system comprises the following steps:
(1) by utilizing a specially developed crowd load algorithm, firstly, load information is loaded and stored through data of the pressure sensor 4 and a charge amplifier and an acquisition board;
(2) extracting a load peak value, and calculating the deformation and stress of the panel and other important information according to the elastic-plastic theory of the composite material comprehensive panel;
(3) and classifying according to the security level of the panel, setting a data threshold diagram of the early warning system by combining the characteristics of the application environment, and triggering a corresponding strategy by the IOT management and control system 5 when the response is greater than a limit value.
The application relates to a remote management and control system for an IOT process, which integrates three parts of panel load calculation, a panel stress-strain and deformation analysis system and a safety early warning system, and has the following functional characteristics:
a first part: panel load calculation
The panel load calculation is realized by testing the pressure sensors 4 arranged in the panel and coupling and superposing the models, and the key parameters such as maximum peak value (positive and negative), mean value, variance, repetition rate and the like in the whole load process are calculated and analyzed by superposing the instant pressures obtained by the pressure sensors.
A second part: panel stress strain and deformation monitoring subsystem
The maximum deformation area and the stress state of the panel are calculated through finite element programming according to the obtained panel load, and simultaneously, the large deformation value and the corresponding area which may appear on the panel are given.
And a third part: safety early warning subsystem
In the stage board management and control subsystem, a panel monitoring unit is designed to play the role of monitoring the maximum deformation and stress of the panel. The monitoring unit determines the maximum deformation of the panel within a set time and at the same time determines the maximum strength to ensure that the panel does not undergo excessive deformation and exceed a given stress value during use.
According to the method, the traditional temporary stage board is changed into a composite material panel formed by combining an aluminum plate, a sensing layer, a comprehensive filling layer and rubber, and good shock absorption is formed and the comfort level of the stage is improved by improving the rigidity and the noise absorption characteristic of the panel; the panel load is measured in real time, the embedded pressure sensor 4 is utilized, the crowd load identification model is combined, the on-site stage panel load information is obtained, a specially developed FEM calculation program is utilized, the panel stress is further determined, and the core information is provided for the panel monitoring system; the panel intelligent design function is utilized, the obtained load information is utilized to determine the internal force and displacement of the panel, the safety alarm threshold value is set according to customization to form a panel monitoring system, and finally, the functions of the IOT management and control system are utilized to realize the cloud computing and real-time management of the things internet and the real-time application of the temporary panel structure experience and data. On the basis of the intelligent monitoring system, the high-degree customization, knowledge in-time application, design localization and high fusion characteristics of experiment and theoretical calculation of the intelligent temporary stage board are realized, and the important characteristics that the temporary stage bearing panel has the latest technology, the latest experience and high safety and controllability are ensured.
Examples
A. Aluminum plate-rubber combined panel bonding
Because the aluminum alloy is made of metal, the surface treatment, the coating and the oxidation treatment of the substrate 3 are needed before the bonding; secondly, in order to ensure that the rubber plate 1 has good weather resistance, strength, crack resistance and reusability indexes, the silicon-containing modified nitrile rubber is reasonably selected, and a reasonable adhesive and a bonding mode are selected for corresponding materials; and finally, connecting the adhesives by adopting constant temperature pressure, drying, and then carrying out vulcanization and two-stage pressure test, wherein the whole operation process is shown in figure 1.
(1) Surface treatment of substrate 3
The aluminum base material is non-magnetic metal, before the base plate 3 is bonded, chromic acid anodization is carried out, then nickel plating treatment is carried out, finally degreasing oxidation treatment is carried out, and finally a film layer with the thickness not less than 0.07mm is formed.
(2) Bonding process
In order to obtain the designed bonding strength, the environment-friendly adhesive is used as a solvent, special stirring equipment is used for electrically stirring the adhesive at a medium speed, auxiliary agents are added stage by stage, the viscosity of the adhesive is controlled, the adhesive coating thickness is not less than 0.2mm, the adhesive coating drying time is not less than 15 minutes, the standing time is tested for bonding process trial adhesion according to different requirements of different application environments of the panel, the bonding strength is detected by adopting a sulfur method pressure and a two-stage treatment condition after bonding is finished, and the bonding of the product is carried out after the strength meets the requirements.
(3) Composite panel connection
The method comprises the steps of adopting a pressure spraying mode, controlling the air pressure to be 30-60 psi, controlling the fluid pressure to be 6-15 psi, respectively spraying a base coating adhesive on a substrate, brushing the adhesive on two sides of a filling layer, filling the filling layer in stages according to the time process requirement, then filling the top elastic silicon-containing nitrile rubber, and finally performing sub-flat treatment.
B. Sensor fabrication
The manufacture of the pressure sensor 4 is a key technology for manufacturing the composite panel. The pressure sensor is a mems sensor fabricated on a silicon wafer, and as shown in fig. 3 is the basic construction of the sensor, including a vacuum 6, a diaphragm 7, an insulating layer 8 and a substrate electrode 9. The sensors are manufactured into a linear shape, then the linear shape is attached to the truss, the truss is fixed inside the aluminum plate-rubber composite panel and forms the internal structure of the panel together with the filling layer, and the sensors without the truss are also distributed around the panel. The sensor consists of 4 basic parts: respectively a central membrane 7, a fixed electrode, a package element and an extraction electrode, as in figure 4.
(1) Preparation of the Central Membrane 7
Firstly, carrying out thermal oxidation to generate an oxide layer with a certain thickness; secondly, double-sided alignment photoetching is carried out, and silicon dioxide is corroded; etching out the capacitor gap by using the wet anisotropic etching solution; performing maskless boron implantation on the surface, and controlling the surface concentration to be 1018/cm2The above; oxidizing again, photoetching grooves around the island film, performing anisotropic secondary directional etching again to obtain the final island film, and finally slicing for later use.
(2) Fixed electrode preparation process
Preparing double-sided polishing glass, punching a wedge-shaped hole in the glass, and performing aluminum film sputtering on two sides of the glass; etching the aluminum film, manufacturing a capacitor plate on one surface, manufacturing a lead strip on the other surface, and protecting the aluminum film in the pressure guide hole; and manufacturing the other glass polar plate by the same process, carrying out electrostatic sealing on the silicon island film and the two glass polar plates, and finally leading the aluminum film out of one side of the outer surfaces of the two glasses and leading the silicon island film out of the exposed silicon.
(3) And a sensor wiring interface is reserved for connecting with a power supply and other devices.
C. Crowd load recognition model embedding and panel intelligent data design
The specific manufacturing method comprises the following steps:
in the RedhatLinux system, an RTOs system is utilized to burn a crowd load program C which is tested and verified into a special chip SDP after being tested by a special platform, and then the chip is embedded into a data rapid processing center of a sensor, so that the first stage of rapid automatic intelligent identification of the crowd load is completed. In order to realize the cloud computing of the Internet of things of the panel, an IOT control system 5 is installed in the extension facade area of the stage panel, is connected with the output end of a sensor and sends an actually measured load curve to a designated cloud for subsequent analysis and expression after being encrypted and segmented. The panel design is shown in fig. 5.
The panel, the real-time panel load testing system and the IOT management and control system provided by the application utilize a crowd load calculation model of experimental research, are applied to an aluminum plate-sensing layer-filling layer-rubber combined comprehensive panel, and are combined with modern sensors and the Internet of things processing technology to realize the visual controllability of panel load, response, state and information expression, so that the safety of a large temporary structure is fundamentally ensured, the reusability of the temporary structure is ensured, the application field of an intelligent panel is enlarged, and the convenient and general excellent functions of temporary structural members are reflected.
The application provides a comprehensive panel, a panel load real-time testing system and a management and control system, provides a model-based crowd load identification method for temporary structure bearing panels such as temporary stages, utilizes a piezoelectric embedded measurement technology, displays stage board crowd load in real time, calculates and analyzes comprehensive panel internal force and deformation, provides a crowd and panel interaction monitoring integrated system, and has the functions of panel structure overall process field design and safety management and control.
The stage comprehensive composite panel is formed by combining the aluminum plate and the rubber plate, so that the comfort level of the panel is improved, and the repeated utilization rate of the stage panel can be improved while the bearing capacity is improved and the requirements of the structural rigidity and the strength of the panel are ensured;
the distributed installation mode of the embedded pressure sensor 4 is adopted, so that the panel becomes a force measuring device, the most direct test method is provided for panel design, the designed pressure sensor 4 can be used as an independent test instrument and can be installed on different combined panels, and the functions are practical and the installation is flexible.
The method has the advantages that the load of the tested temporary stage crowd is directly calculated and intelligently expressed through the IOT management and control system, and along with the provided panel intelligent detection system, specific mechanical parameters in the use process of the intelligent panel can be immediately reflected, the defects of the panel can be timely found, a new design and installation method of the panel is determined, the danger of the panel and the temporary structure in service is timely determined to the maximum extent, safety accidents of the temporary structure panels such as the stage and the like are avoided, and the quality enables the method to have good market economic benefits and important social meanings.
Although the present application has been described above with reference to specific embodiments, those skilled in the art will recognize that many changes may be made in the configuration and details of the present application within the principles and scope of the present application. The scope of protection of the application is determined by the appended claims, and all changes that come within the meaning and range of equivalency of the technical features are intended to be embraced therein.
Claims (9)
1. A panel, characterized by: the adhesive comprises a substrate, an adhesive layer and a rubber plate in sequence; the substrate is connected with the rubber plate through the bonding layer.
2. The panel of claim 1, wherein: the base plate is the knurling aluminum plate, knurling aluminum plate surface is porous honeycomb, knurling aluminum plate surface has a plurality of apertures.
3. The panel of claim 1, wherein: the adhesive layer includes a layer of sound absorbing material, an adhesive, and a sensing structure bonded to one another.
4. The panel of claim 2, wherein: the knurling aluminum plate thickness is 2mm, the rubber slab is the chloroprene rubber board, chloroprene rubber board thickness is 2 mm.
5. The utility model provides a real-time test system of panel load which characterized in that: a plurality of pressure sensors are arranged in the panel and connected with a sensor network control unit;
the pressure sensor is used for measuring the crowd load form on the panel and the interaction of other panels, and the sensor network control unit is used for expressing test and analysis results.
6. The real-time panel load testing system of claim 5, wherein: the pressure sensor is a contact type capacitance pressure sensor, the contact type capacitance pressure sensor is arranged in the panel, and the contact type capacitance pressure sensor is arranged on the edge vertical surface of the panel.
7. The real-time panel load testing system of claim 5, wherein: the sensor network control unit is arranged on the panel vertical face.
8. The utility model provides a panel load safety control system which characterized in that: the panel load real-time testing system is connected with a monitoring unit, the monitoring unit is connected with a sensing network management control unit, and the monitoring unit comprises a safety early warning module;
the monitoring unit is used for obtaining the maximum deformation area and the stress state of the panel according to the obtained panel load, and the safety early warning module is used for setting a safety warning threshold value and a maintenance strategy.
9. The panel load warning system of claim 8, wherein: the alerting modality includes a display alert and an audible alert.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605748A (en) * | 2021-07-05 | 2021-11-05 | 浙江大丰实业股份有限公司 | Load detection mechanism for safety protection in stage performance process and stage equipment |
| CN116881834A (en) * | 2023-09-08 | 2023-10-13 | 泰州市银杏舞台机械工程有限公司 | Stage load monitoring and early warning method based on stage deformation analysis |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544930A (en) * | 2016-02-03 | 2016-05-04 | 蒋鹏 | Floor pavement structure of compound sensor array and information transmitting system |
| CN205224521U (en) * | 2015-11-21 | 2016-05-11 | 嘉善鸿源蜂窝制品有限公司 | Aluminum honeycomb floor |
| CN205296702U (en) * | 2015-11-24 | 2016-06-08 | 黄石市振大弹簧有限公司 | Wood -Plastic with built -in pressure monitoring device |
| CN205476644U (en) * | 2016-01-04 | 2016-08-17 | 广州大学 | Multipurpose intelligence stage setting |
| WO2018004343A1 (en) * | 2016-07-01 | 2018-01-04 | 2D2-Systems B.V. | Floor provided with detection means and method manufacturing such a floor |
| CN206971652U (en) * | 2017-07-17 | 2018-02-06 | 北京中外建建筑设计有限公司 | A kind of intelligent floor |
| CN208056542U (en) * | 2018-03-29 | 2018-11-06 | 双新电器(郑州)制造有限公司 | Gravity sensing floor |
| CN109162491A (en) * | 2018-11-05 | 2019-01-08 | 孔于壮 | A kind of stage boards with multi-layer structure |
-
2020
- 2020-01-22 CN CN202010074564.5A patent/CN111236704B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205224521U (en) * | 2015-11-21 | 2016-05-11 | 嘉善鸿源蜂窝制品有限公司 | Aluminum honeycomb floor |
| CN205296702U (en) * | 2015-11-24 | 2016-06-08 | 黄石市振大弹簧有限公司 | Wood -Plastic with built -in pressure monitoring device |
| CN205476644U (en) * | 2016-01-04 | 2016-08-17 | 广州大学 | Multipurpose intelligence stage setting |
| CN105544930A (en) * | 2016-02-03 | 2016-05-04 | 蒋鹏 | Floor pavement structure of compound sensor array and information transmitting system |
| WO2018004343A1 (en) * | 2016-07-01 | 2018-01-04 | 2D2-Systems B.V. | Floor provided with detection means and method manufacturing such a floor |
| CN206971652U (en) * | 2017-07-17 | 2018-02-06 | 北京中外建建筑设计有限公司 | A kind of intelligent floor |
| CN208056542U (en) * | 2018-03-29 | 2018-11-06 | 双新电器(郑州)制造有限公司 | Gravity sensing floor |
| CN109162491A (en) * | 2018-11-05 | 2019-01-08 | 孔于壮 | A kind of stage boards with multi-layer structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605748A (en) * | 2021-07-05 | 2021-11-05 | 浙江大丰实业股份有限公司 | Load detection mechanism for safety protection in stage performance process and stage equipment |
| WO2023279429A1 (en) * | 2021-07-05 | 2023-01-12 | 浙江大丰实业股份有限公司 | Load testing mechanism for safety protection in stage performance process, and stage device |
| CN116881834A (en) * | 2023-09-08 | 2023-10-13 | 泰州市银杏舞台机械工程有限公司 | Stage load monitoring and early warning method based on stage deformation analysis |
| CN116881834B (en) * | 2023-09-08 | 2023-11-24 | 泰州市银杏舞台机械工程有限公司 | Stage load monitoring and early warning method based on stage deformation analysis |
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