MULTI-FACTOR COUPLED SERVICE ENVIRONMENT SIMULATION SYSTEM, DEVICE AND TESTING METHOD FOR BUILDING MATERIALS
Patent Information
- Application Number
- NL2040881
- Authority / Receiving Office
- NL · NL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-07-24
- Publication Date
- 2026-07-02
- Estimated Expiration
- 2045-07-23
Smart Images
Figure 00000000_0000_ABST
Abstract
Description
TECHNICAL FIELD The present invention belongs to the technical field of building material performance testing, and particularly relates to a . BACKGROUND During actual service, building materials often withstand the coupled effects of multiple environmental factors and mechanical loads. For example, concrete structures of coastal buildings are subject to the combined influences of chloride ion erosion, dry-wet cycles, temperature changes and load actions. However, existing building material environment simulation equipment has many limitations: Single-factor simulation: Most equipment can only simulate a single environmental factor such as temperature, humidity or salt spray, and cannot reflect the impact of multi-factor coupling on materials; Static condition limitation: Some equipment can realize various liquid environment tests, but lack the capability of dynamic environment change simulation and cannot be coupled with mechanical loading; Insufficient comprehensive simulation: A few equipment integrates environmental factors such as temperature and humidity, but fail to consider the mechanical load actions in actual service, which leads to a gap with real working conditions; Low control precision: Parameter control is mostly an open-loop system, and the spatial uniformity and temporal stability of environmental parameters are poor, which affects the accuracy of test results. Therefore, developing a multi-factor coupled service environment simulation device and testing method for building materials has important scientific significance and engineering value. SUMMARY To solve the above technical problems, the present invention proposes a . To achieve the above purpose, the present invention provides a multi-factor coupled service environment simulation system for building materials, including: A climate simulation chamber, which is used to provide a relatively independent and sealed test space for the building materials under test; An environment simulation system, which is used to simulate various environmental factors and mechanical loads encountered by building materials during service; A monitoring system, distributed at various positions of the system, which is used to monitor and record various environmental factors in the climate simulation chamber and the material performance of the building materials under test; A control system, where both the environment simulation system and the monitoring system are electrically connected to the control system; the monitoring system uploads the monitored environmental and material data to the control system; the control system analyses the monitored data and co-ordinately regulates the environment simulation system to perform environment simulation according to the monitored data. Optionally, the environment simulation factors include multiple sets of the factor simulation modules, specifically including but not limited to a temperature control module, a humidity control module, a salt spray / acid rain simulation module, a dry-wet cycle module, an ultraviolet aging module, and a mechanical loading module, which are used to simulate temperature, humidity, salt spray / acid rain erosion, dry-wet cycles, ultraviolet radiation factors, and mechanical loads in the environment, respectively. Optionally, the control system adopts a distributed architecture, and realizes the coordinated work of each module through industrial Ethernet. Optionally, it further includes a safety protection system for protecting electrical safety and mechanical safety. A testing method for a multi-factor coupled service environment simulation system for building materials, applied to the above-mentioned multi-factor coupled service environment simulation system for building materials, includes: Sample installation: Putting the building material sample to be tested into the climate simulation chamber and fixing it; Environment simulation: Setting the corresponding factors of the simulated environment through the control system; the control system controls the environment simulation system to work, so that the building material sample is in the set environment; Monitoring and experiment: After reaching the set environment, performing service simulation for a specified time or number of cycles; during the process, the monitoring system continuously monitors and records environmental data and uploads it to the control system for recording, so that the control system can adjust the work of the environment simulation system in real time; it also continuously monitors and records relevant material data of the test material, and uploads and records them; Termination and evaluation: After reaching the specified time or number of cycles, the system automatically unloads; according to the environmental and material-related data recorded by the monitoring system, analysing the performance degradation law of the material. A multi-factor coupled service environment simulation device for building materials, applied to the above-mentioned multi-factor coupled service environment simulation system for building materials, includes: A frame body; A cabin body, arranged in the middle of the frame body, where the climate simulation chamber is arranged in the cabin body; An environment simulation unit, which is used to simulate various environmental factors and mechanical loads encountered by building materials during service; A monitoring unit, distributed at various positions of the device, which is used to monitor and record various environmental factors in the climate simulation chamber and the material performance of the building materials under test; A control unit, where both the environment simulation unit and the monitoring unit are electrically connected to the control unit; the monitoring unit uploads the monitored environmental and material data to the control unit; the control unit analyses the monitored data and co-ordinately regulates the environment simulation unit to perform environment simulation according to the monitored data. Optionally, the cabin body is provided with a cabin door and an observation window on the outside; the cabin door is locked by a locking mechanism; the locking mechanism adopts an 8- point pneumatic lock catch to ensure the sealing inside the cabin. Optionally, the cabin body has three layers, including an inner layer, an outer layer, and an insulation layer arranged between the inner layer and the outer layer. Compared with the prior art, the present invention has the following advantages and technical effects: Multi-factor coupling simulation: lt realizes the coordinated simulation of multiple factors such as temperature-humidity-salt spray-mechanical load for the first time, which can more truly reflect the actual service environment of materials and solve the limitation of single-factor simulation of traditional equipment. High precision control: It adopts closed-loop feedback control, with the spatial uniformity of environmental parameters 5 15%, temporal stability 5 12%, temperature control precision 10.5°C, and humidity precision 1 2%RH, ensuring the accuracy of test results. Modular design: Each environmental module can operate independently or in combination, flexibly simulating environmental conditions in different regions (marine, industrial, cold regions, etc.) to meet diversified testing needs. High degree of automation: One-key start for fully automatic testing, real-time data collection and analysis, which greatly improves testing efficiency; it supports presetting multiple typical environment modes, with convenient operation. Safety and reliability: Multiple safety protection mechanisms (overload, over-temperature, leakage protection, etc.) and excellent cabin sealing performance ensure long-term stable operation. BRIEF DESCRIPTION OF THE FIGURES The accompanying drawings forming a part of the present invention are intended to provide a further understanding of the present invention, and the embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the drawings: Fig. 1 is a control flow chart of the multi-factor coupled service environment simulation system for building materials according to the present invention. Fig. 2 is a structural schematic diagram of the multi-factor coupled service environment simulation device for building materials according to the present invention. In the figures: 1. Frame body; 2. Chamber body; 3. Control unit; 4. Chamber door; 5. Observation window. DESCRIPTION OF THE INVENTION The technical schemes in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention. To make the above objectives, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementations. This embodiment provides a multi-factor coupled service environment simulation system for building materials, which mainly includes three parts: an environment simulation system, a control system and a monitoring system. The environment simulation system includes: Climate simulation chamber: Adopting a double-layer stainless steel structure, the inner layer is corrosion-resistant 316 L stainless steel, and the outer layer is an insulation layer. The size can be adjusted according to the sample (typically 1.5 m >< 1 m >< 1 m). Multi-factor simulation modules: Temperature control module: Combining a PID-controlled electric heater (adjustable from 0 - 200°C with an accuracy of 1 0.5°C) and a liquid nitrogen cooling system to achieve wide temperature range control from -40°C to +80°C. Humidity control module: Jointly controlled by an ultrasonic humidifier (humidity range 30% - 98%RH, accuracy 1 2%) and a dehumidifier. Salt spray / acid rain simulation module: Using a pneumatic atomizing nozzle array, which can be configured with NaCl solutions of different concentrations or other corrosive media, with the spray volume adjustable from 0.1 - 2 L / h. Dry - wet cycle module: Realizing automatic dry - wet alternation through a sprinkler system and a drainage system, with the cycle period settable from 1 - 24 h. Ultraviolet aging module: Using UVA-340 lamps (wavelength 315 - 400 nm) to simulate solar ultraviolet rays, with the irradiation intensity of 0.1 - 1. The control system includes: Central controller: Adopting a PLC + industrial computer architecture to realize coordinated control and timing programming of each module. Human-machine interface: Touch screen operation, which can preset and store multiple typical service environment modes (marine, industrial, cold regions, etc.). Safety protection: Multiple protection mechanisms such as overload, over-temperature, and electric leakage protection. The monitoring system includes: Environmental parameter monitoring: Sensor arrays for temperature, humidity, salt spray concentration, etc. Material performance monitoring: Electrochemical workstation: Used for measuring electrochemical parameters such as corrosion potential and polarization resistance. Acoustic emission system: Monitoring the development of internal damage in materials. Surface morphology analysis: A built-in high-definition camera (5 million pixels) to record surface changes. This embodiment also provides a testing method for the multi-factor coupled service environment simulation system for building materials, which can be referred to in conjunction with the above-mentioned multi-factor coupled service environment simulation system for building materials, including: Sample installation: Putting the building material sample to be tested into the climate simulation chamber and fixing it; Environment simulation: Setting the corresponding factors of the simulated environment through the control system, and the control system controls the environment simulation system to work, so that the building material sample is in the set environment; Monitoring and experiment: After reaching the set environment, perform service simulation for a specified time or number of cycles. During the process, the monitoring system continuously monitors and records environmental data and uploads it to the control system for recording, so that the control system can adjust the work of the environment simulation system in real time. It also continuously monitors and records relevant material data of the test material, and uploads and records them; Termination and evaluation: After reaching the specified time or number of cycles, the system automatically unloads; according to the environmental and material-related data recorded by the monitoring system, analyse the performance degradation law of the material. This embodiment also provides a multi-factor coupled service environment simulation device for building materials, which can be referred to in conjunction with the above-mentioned multi- factor coupled service environment simulation system for building materials. It adopts a modular design concept and is composed of three functional modules: an environment simulation system, a control system and a monitoring system. Each system forms a complete test platform through mechanical connection and electrical linkage. Specifically including: 1. Basic support structure Main frame: A three-dimensional frame structure welded by stainless steel square tubes. The four corner columns are provided with reinforcing rib plates inside. The bottom is equipped with 6 adjustable shock-absorbing foot cups. The adjustment range of the foot cups is 1 50 mm, which can effectively eliminate the impact of uneven ground on test accuracy. Mobile platform: Located at the bottom of the main frame, it is made of 15 mm thick steel plate by cutting. The lower part is equipped with 4 universal brake wheels and 2 directional wheels, which is convenient for adjusting the position of the device. 2. Chamber structure: Outer chamber: A rectangular box formed by bending and welding stainless steel plates, with the outer surface sandblasted. The four corners adopt arc transitions to reduce stress concentration. An observation window is opened on the front side, which adopts a double-layer tempered glass (thickness 10 mm + 10 mm) hollow design, with argon filled in the interval, which has excellent thermal insulation and anti-condensation functions. Inner chamber: Made of thick polytetrafluoroethylene (PTFE) plates, with the inner surface mirror-polished to prevent medium adhesion. The top of the chamber is designed with a 30° inclined condensate guide groove, which collects the condensate to the drainage holes on both sides. The aperture is CD15 mm, connected to a (1314 mm silicone drainage pipe. Insulation layer: Filled with thick vacuum insulation panels with a thermal conductivity of 50.004 W / (m-K). The outer layer is wrapped with an aluminium foil reflective layer, which is fixed between the inner and outer chambers with high-temperature resistant adhesive. Chamber door mechanism: Chamber door: Adopting a stainless steel frame + tempered glass composite structure, with double silicon rubber sealing strips inlaid on the edge, with a cross-section of Q type and a compression amount of 30%. The door shaft is a ® 25 mm stainless steel pin shaft, and a pneumatic strut is installed on the upper part, which can realize stepless hovering of the door body at 0 - 90°. Locking mechanism: Adopting an 8-point pneumatic lock catch, equipped with a pressure sensor to monitor the sealing state in real time to ensure that the pressure in the chamber is maintained at a slight positive pressure. 3. Core components of the control unit: Controller: Model Siemens S7-1500, equipped with a CPU1516-3PN / DP processor, with a memory of 2 MB, supporting Profinet real-time communication. Expansion modules include: analogue input, analogue output, digital l / O. Drive module: The servo driver is connected to the motor encoder (resolution 20 bit) through the DRIVE-CLiQ interface to realize full closed-loop control. Actuator: Electric control valve: DN20 calibre, equal percentage flow characteristics, equipped with an intelligent positioner, stroke time 15 s, leakage class Class VI. Solid state relay: Output capacity 40 A, zero-crossing triggering, installed on an aluminium radiator (part 108, size 100><60><25 mm), with temperature monitoring (part 109, NTC thermistor) to prevent overheating. 4. Safety protection system Electrical protection: Circuit breaker: Model 3VL5760-5UL33, rated current 63 A, breaking capacity 50 kA, with residual current protection (30 mA). Isolation transformer: Capacity 10 WA, transformation ratio 380 V / 220 V, with electrostatic shielding layer to suppress common mode interference. Mechanical safety: Emergency stop device: Red mushroom head button (diameter 40 mm), double-loop hard- wired connection, which cuts off all power supplies within 0.1 s after triggering. Safety light curtain: Protection height 1200 mm, resolution 30 mm, response time 8 ms, preventing personnel from entering dangerous areas. 5. Monitoring unit The monitoring unit is composed of a distributed sensor network, data acquisition equipment and professional analysis software, realizing real-time monitoring and evaluation of the material performance degradation process. The unmentioned details of the present invention are all conventional technical means known to those skilled in the art. In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present invention. The above-mentioned embodiments only describe the preferred modes of the present invention, and do not limit the scope of the present invention. Without departing from the design 5 spirit of the present invention, various modifications and improvements made by those of ordinary skill in the art to the technical schemes of the present invention shall fall within the protection scope defined by the claims of the present invention.
Claims
1. A system for simulating a multifactorially coupled usage environment for building materials, comprising: a climate simulator room for providing a relatively independent and enclosed test room for the building materials to be tested; an environmental simulation system for simulating various environmental factors and mechanical loads to which building materials during the be subject to use; a surveillance system installed at various locations in the system for monitoring and recording various environmental factors in the climate simulation chamber and the material performance of the building materials to be tested; and an operating system, whereby both the environmental simulation system and the monitoring system are electric connected to the operating system, the surveillance system uploads the monitored environmental and material data to the operating system; and the operating system analyzes the monitored data and the environmental simulation system coordinates the environmental simulation in to carry out in accordance with the monitored data.
2. The system for simulating a multifactorially coupled usage environment for building materials according to conclusion 1, where the environmental simulation factors multiple sets of the factor simulation modules include, comprising a temperature control module, a humidity control module, a salt spray-acid rain simulation module, a drying- wet cycle module, an ultraviolet aging module and a mechanical load module, which are used respectively to measure the temperature, humidity, salt spray / acid rain erosion, dry-wet cycle, ultraviolet radiation and mechanical to simulate loads in the environment.
3. The system for simulating a multifactorially coupled usage environment for building materials according to claim 1, where the regulatory system is a distributed has architecture and the coordinated operation of each module via industrial Ethernet realizes.
4. The system for simulating a multifactorially coupled usage environment for building materials according to claim 1, whereby the system furthermore a safety protection system for protecting electrical safety and the includes mechanical safety.
5. A method for testing a system for simulating a multifactorial linked user environment for building materials according to any of conclusions 1 through 4, comprising: Installing the monster: placing the building material sample to be tested in the climate simulation chamber and securing the monster; environmental simulation: setting the corresponding factors of the via the operating system simulated environment, and to have the control system that drives the environment simulation system in such a way work that the building material sample is located in the set environment; monitor and experiment: performing a service simulation after reaching the configured environment for a certain period of time or a certain number of cycles; continuously monitoring and recording during the process by the monitoring system of the environment data and uploading it to the operating system for registration so that the operating system the operation of the can adapt environment simulation system in real-time; and also the continuous monitoring and recording of relevant material data of the test material, and uploading and registering the data; and termination and evaluation: automatically discharge after reaching the specified time or number of cycles of the system; and analyzing the degree of performance degradation of the material based on the environmental and material-related recorded by the monitoring system facts.
6. A setup for simulating a multifactorially coupled operating environment for building materials, where the setup is applied to the system for simulation of a multifactorially coupled usage environment for building materials according to one of the conclusions 1 through 4, comprising: a frame construction; a cabin housing installed in the center of the frame structure, whereby the climate simulation chamber is installed in the cabin structure; an environment simulation unit for simulating various environmental factors and mechanical loads to which building materials during the be subject to use; a monitoring unit mounted at various positions on the device for monitoring and recording various environmental factors in the climate simulation chamber and the material performance of the building materials to be tested; and a control unit, whereby both the environmental simulation system and the monitoring system are electric connected to the operating system, the surveillance system uploads the monitored environmental and material data to the operating system; and the operating system analyzes the monitored data and the environmental simulation system coordinates the environmental simulation in to carry out in accordance with the monitored data.
7. The setup for simulating a multifactorially coupled operating environment for building materials according to claim 6, where The exterior of the cabin housing is equipped with a cabin door and a observation window; the cabin door is locked by a locking mechanism; and the locking mechanism uses an 8-point pneumatic locking mechanism to ensure the seal inside the cabin.
8. The setup for simulating a multifactorially coupled operating environment for building materials according to claim 6, where the cabin housing has three layers, which a inner layer, an outer layer and one placed between the inner layer and the outer layer insulation layer includes . Fig. 1 Fig. 2 PATENT APPLICATION NO.: NO 200392 RESEARCH REPORT CONCERNING THE RESULT OF THE STATE OF THE ART RESEARCH RELEVANT LITERATURE 1 Literature with, where necessary, indication of of particular importance for Classification (IPC) Category text sections or figures. conclusion(s) no: X CN 116 519 578 A (UNIV CHONGQING) 1-8 INV. August 1, 2023 (2023-08-01) G09B25 / 04 * paragraphs [0007] - [0049]; figures 1-5 * G01N17 / 00 ----- X CN 119 087 079 A (INTELLIGENT MFG 1-8 INSTITUTE OF HFUT) December 6, 2024 (2024-12-06) * paragraphs [0003] - [0021]; figure 1 * ----- Investigated areas of technology G09B G01N If amended conclusions have been submitted, this report relates to the conclusions submitted on: Place of investigation: Date on which the investigation was conducted Competent official: completed: Munich May 4, 2026 Bîrlescu, V 1 CATEGORY OF THE SIGNED LITERATURE X: the conclusion is deemed not new or not inventive T: after the filing date or the priority date considered in relation to this literature published literature that is not detrimental to the patent application, but is mentioned for clarification of Y: the conclusion is considered non-inventive at 1 the theory or principle that underlies the in relation to the combination of this literature with other cited literature of the same category, invention where the combination is obvious to the skilled person E: earlier patent (application), published on or after the is deemed to be the filing date on which the same invention is described A: literature not belonging to category X or Y that the D: stated in the patent application describes the state of the art O: non-written state of the art L: literature mentioned for other reasons P: between the priority date and the filing date &: member of the same patent family or corresponding published literature patent publication EOB FORM 02.83 (P0414B) APPENDIX TO THE REPORT CONCERNING THE RESEARCH INTO THE STATE OF THE ART, NO 200392 CARRIED OUT IN PATENT APPLICATION NO. The appendix contains a list of patent applications or patents published elsewhere (so-called members of the same patent family), that correspond to patent specifications mentioned in the report. The statement has been compiled based on data from the European Patent Office's computer file as of The accuracy and completeness of this statement is guaranteed neither by the European Patent Office nor by the Industrial Office. Property guaranteed; the data is provided for informational purposes. 04-05-2026 In the report Date of Corresponding Date of mentioned patent document publication document(s) publication CN 116519578 A 01-08-2023 NONE ----------------------------------------------------------------------- CN 119087079 A 06-12-2024 NONE ----------------------------------------------------------------------- General information regarding this appendix has been published in the 'Official Journal' of the European Patent Office No. 12 / 82, pp. 448 et seq. WRITTEN OPINION FILE NUMBER SUBMISSION DATE PRIORITY DATE APPLICATION NUMBER NO200392 24.07.2025 CLASSIFICATION INV. G09B25 / 04 G01N17 / 00 APPLICANT Huzhou Vocational and Technical College This written opinion contains an explanation of the following sections: Part I Basis of the written opinion Part II Priority Part III Determination of novelty, inventiveness and industrial applicability not possible Part IV The application relates to more than one invention Part V Reasoned statement regarding novelty, inventiveness and industrial applicability Part VI Other cited documents Part VII Other defects Part VIII Other remarks THE COMPETENT OFFICIAL Bîrlescu, Vlad-Sergiu Application no.: WRITTEN OPINION Part I Basis of the Written Opinion 1. This written opinion has been prepared on the basis of the most recent conclusions submitted prior to the commencement of the research.
2. This justification has been drawn up with respect to nucleotide and / or amino acid sequences mentioned be in the application, based on a sequence list that: a. is included in the application as originally submitted b. has been submitted after the submission date for the purpose of the research and was accompanied by a statement that the sequence list contains no more information than the application as originally submitted.
3. This justification has been drawn up with respect to nucleotide and / or amino acid sequences mentioned be included in the application, insofar as a meaningful justification could be formed without a sequence list that complied with WIPO standard ST.
26.
4. Other remarks: Part V Reasoned statement regarding novelty, inventiveness and industrial applicability 1. Statement Novelty Yes: Conclusions 3, 4, 8 No: Conclusions 1, 2, 5-7 Inventiveness Yes: Conclusions No: Conclusions 1-8 Industrial applicability Yes: Conclusions 1-8 No: Conclusions 2. Citations and Explanation: See separate pages APPLICATION NUMBER SCRIPTURAL OPINION SEPARATE SHEET) Re Item V Reasoned statement with regard to novelty, inventive step or industrial applicability; citations and explanations supporting such statement Reference is made to the following documents: D1 CN 116 519 578 A (UNIV CHONGQING) 1 August 2023 (2023-08-01) D2 CN 119 087 079 A (INTELLIGENT MFG INSTITUTE OF HFUT) 6 December 2024 (2024-12-06) Novelty: The present application does not meet the criteria of patentability, because the subject-matter of the independent claim 1 is not new. INDEPENDENT CLAIM 1 1 D1 is considered to be the prior art closest to the subject-matter of independent claim 1 and discloses (the references in parentheses applying to document D1): Een systeem voor simulatie van een multifactorieel gekoppelde gebruiksomgeving voor bouwmaterialen, omvattende: ("completely and efficiently detecting the impact of multiple environmental factors on the durability of concrete test blocks, and reducing the waste of test area, it is necessary to create an integrated multi-environment simulation of concrete. Durability accelerated test system improves test efficiency and reduces waste of resources" §7) - a climate simulator room for providing a relatively independent and enclosed test area for the building materials to be tested; (a) system for producing specimens for testing the effect of concrete repair agents and conducting durability tests, including a central control system 1, a box 2, and a test chamber 3" §46) - an environmental simulation system for simulating various environmental factors and mechanical loads to which building materials be subjected during use; ("The device of the present invention can study the influence of external environment under high m NL237-3 (separate sheet) (July 2006) (sheet 1) APPLICATION NUMBER SAME OPINION PAGE) mperature, low temperature, freeze-thaw cycle, dry-wet cycle, ultraviolet diation, carbon dioxide gas and multiple factors at the same time, and dy the durability of concrete in different external environments" §30; e prepared specimens can be subjected to multiple mechanical tests ch axis flexural resistance test, bending resistance test, and shear opportunity test" §28) and a monitoring system that is at various places in the system brought in for monitoring and recording various setting factors in the climate simulation chamber and the material performance of building materials to be tested; and ("The parameters of the display screen 5 me from the temperature and humidity sensor, the ultraviolet intensity nsor and the internal electric field intensity sensor embedded in the test d" §46) and control system, where ("The central control system 1 includes a play screen 5, a control panel 6 and internal integrated circuits. The play screen 5 can obtain various real-time physical parameters inside box 2, including the temperature, humidity, pH value, ultraviolet ensity, internal electric field intensity, etc. of each test piece. The ameters of the display screen 5 come from the temperature and midity sensor, the ultraviolet intensity sensor and the internal electric d intensity sensor embedded in the test grid. The control panel 6 can pectively adjust various physical parameters required for different test cks, control the automatic addition of solutions, control the nozzles for ding, change the automatic maintenance conditions of the test blocks d the opening and closing of the internal electric field acceleration vice" §46) zowel het omgevingssimulatiesysteem als het bewakingssysteem elektrisch verbonden met het besturingssysteem, ("The central control system 1 ludes a display screen 5, a control panel 6 and internal integrated cuits. The display screen 5 can obtain various real-time physical ameters inside the box 2, including the temperature, humidity, pH ue, ultraviolet intensity, internal electric field intensity, etc. of each test ce. The parameters of the display screen 5 come from the temperature d humidity sensor, the ultraviolet intensity sensor and the internal ctric field intensity sensor embedded in the test grid. The control panel can respectively adjust various physical parameters required for erent test blocks, control the automatic addition of solutions, control nozzles for feeding, change the automatic maintenance conditions of test blocks and the opening and closing of the internal electric field eleration device" §46) arate sheet) (July 2006) (sheet 2)