阅读说明：本技术 一种墙体系统服役过程模拟装置 (Wall system service process simulation device ) 是由 于清林 王政 李学英 马国儒 张玉涛 刘佳 国爱丽 于 2020-12-29 设计创作，主要内容包括：一种墙体系统服役过程模拟装置,本发明涉及墙体系统服役过程模拟装置。本发明的目的是为了解决目前墙体系统服役状态评价设备功能单一,不能对传统与装配式墙体系统性能进行准确评价的问题。装置包括：设备主体,设备主体由环境模拟腔室,墙体系统固定支架,压力温控板复合密封门,观察窗密封门及设备箱组成；所述环境模拟腔室,墙体系统固定支架,压力温控板复合密封门,观察窗密封门固定在设备箱上；设备箱内包括除湿装置,可变温循环水装置,气动装置,制冷装置和防冻液池；所述墙体系统固定支架和压力温控板复合密封门通过导轨与环境模拟腔室对接；所述墙体系统固定支架安装墙体系统；本发明用于建筑墙体系统服役状态评价领域。(The invention discloses a wall system service process simulation device, and relates to a wall system service process simulation device. The invention aims to solve the problems that the service state evaluation equipment of the existing wall system has single function and can not accurately evaluate the performance of the traditional and assembled wall systems. The device comprises: the equipment main body consists of an environment simulation chamber, a wall system fixing support, a pressure and temperature control plate composite sealing door, an observation window sealing door and an equipment box; the environment simulation chamber, the wall system fixing support, the pressure and temperature control plate composite sealing door and the observation window sealing door are fixed on the equipment box; the equipment box comprises a dehumidifying device, a temperature-variable circulating water device, a pneumatic device, a refrigerating device and an antifreeze pool; the wall system fixing support and the pressure temperature control plate composite sealing door are in butt joint with the environment simulation chamber through guide rails; the wall system fixing bracket is arranged on the wall system; the method is used for the field of service state evaluation of the building wall system.)

1. A wall system service process simulation device is characterized in that: the device comprises:

the device comprises a device main body (1), wherein the device main body consists of an environment simulation chamber (2), a wall system fixing support (3), a pressure temperature control plate composite sealing door (4), an observation window sealing door (5) and a device box (7);

the environment simulation chamber (2), the wall system fixing support (3), the pressure temperature control plate composite sealing door (4) and the observation window sealing door (5) are fixed on the equipment box (7);

the equipment box (7) comprises a dehumidifying device (8), a temperature-variable circulating water device (9), a pneumatic device (10), a refrigerating device (11) and an antifreeze pool (12);

an observation window sealing door (5) is arranged on the left side of the environment simulation chamber (2), an observation window (17) is arranged on the observation window sealing door (5), and an observation window glass (22) on the observation window (17) can be opened in a laterally and horizontally pushing mode;

the wall system fixing support (3) and the pressure temperature control plate composite sealing door (4) are in butt joint with the environment simulation chamber (2) through a guide rail (14);

the wall system fixing bracket (3) is used for mounting the wall system;

the bottom of the environment simulation cavity (2) is provided with a resistance type heating pipe (6) for heating the environment simulation cavity (2), and the top of the environment simulation cavity (2) is provided with a plate type circulating cooler (25) and an air supply fan (24) for cooling the environment simulation cavity (2);

a program controller (23) is fixed on the front side of the environment simulation chamber (2), and a line hole (16) is formed in the same side;

the bottom of the environment simulation chamber (2) is provided with a drainage dehumidification hole (26) which is connected with the temperature-variable circulating water device (9) and the dehumidification device (8), the drainage dehumidification hole (26) is connected with a drainage pipeline (27), and the drainage pipeline (27) is provided with an electromagnetic valve and is controlled by a process controller (23); the drainage pipeline (27) is arranged in the equipment box (7);

the temperature control plate (20) is fixed on a sealing door plate of the pressure temperature control plate composite sealing door (4) through the air cylinder (19), and the air cylinder (19) is adopted to control the position of the temperature control plate (20) so as to ensure that the back side of the wall system is tightly attached to the temperature control plate (20);

the cylinder (19) is connected with the pneumatic device (10) through a hose, a water feeding pipe of the temperature control plate (20) is connected with a water pump (13) in the antifreeze liquid pool (12), and a water return pipe of the temperature control plate (20) is connected with the refrigerating device (11).

2. The service process simulation device of the wall system according to claim 1, wherein: and a spray head (21) is arranged on the upper edge of the inner frame of the wall system fixing support (3), and the spray head (21) is connected with a water pump (13) in the temperature-variable circulating water device (9).

3. The service process simulation device of the wall system according to claim 2, wherein: the pressure and temperature control plate composite sealing door (4) is combined with a wall system fixing support (3) along a guide rail (14);

the environment simulation chamber (2), the wall system fixing support (3) and the pressure temperature control plate composite sealing door (4) are fixed by using buckles (15) on two sides to realize sealing.

4. The service process simulation device of the wall system according to claim 3, wherein: the wire hole (16) leads out a signal wire of the wired sensing equipment to be connected with an acquisition system.

5. The service process simulation device of the wall system according to claim 4, wherein: the periphery of the environment simulation chamber (2) is filled with a low-heat-conductivity flame-retardant material.

6. The service process simulation device of the wall system according to claim 5, wherein: a temperature control plate is fixed on a sealing door plate of the pressure temperature control plate composite sealing door (4) through a stainless steel square pipe frame (18), and the tightness degree of the temperature control plate (20) and a wall body system is controlled through an air cylinder (19).

7. A wall system service process simulation device according to claim 5 or 6, wherein: the temperature control plate (20) is connected with the refrigerating device (11) and realizes back-side temperature regulation of the wall system together with the temperature-variable circulating water device (9).

8. The service process simulation device of the wall system according to claim 7, wherein: wall system fixed bolster (3) are used for wall system's position fixed, and wall system fixed bolster (3) and variable temperature circulating water device (9) looks UNICOM in equipment box (7).

9. The service process simulation device of the wall system according to claim 8, wherein: the wall system fixing support (3) moves through the guide rail (14) and is embedded into the environment simulation chamber (2), and the contact position is sealed by a silica gel pad.

10. The service process simulation device of the wall system according to claim 9, wherein: the plate type circulating cooler (25) is connected with the refrigerating device (11), and the air supply fan (24) is controlled by the program controller (23) and operates together with the plate type circulating cooler (25) to realize refrigeration.

Technical Field

The invention relates to the field of service state evaluation of building wall systems, in particular to a device for simulating a service process of a wall system.

Background

The wall system is the largest component in the building envelope structure, and in the service process, the wall system is influenced by environmental factors, all the components and the connecting interface are changed, the thermal performance of the system is influenced, and the loss of resources and energy is caused. The wall system is classified into an outer wall system and an inner wall system according to a building site. The outer wall system is mostly a combined wall body which comprises an outer wall outer heat insulation system, an outer wall inner heat insulation system, a curtain wall, a traditional light wall body and the like. The inner wall system mainly comprises partition walls, including block partition walls, light skeleton partition walls, plate partition walls and the like.

With the application of assembly technology in the construction industry, wall systems have gradually moved to modularity. The service process performance evaluation of wall systems with different composition structures can ensure the quality of the wall systems, facilitate the product quality control and meet the customization requirements.

The outer wall system is mainly influenced by factors such as temperature, humidity and rain in the service process. Under the action of high-low temperature circulation and humidity coupling, the components and interface regions of an external wall system are easy to deteriorate, the thermal performance is degraded, and the structure gradually loses efficacy. Meanwhile, for an external thermal insulation system of an external wall, the thermal insulation layer is easy to lose effectiveness and fall off, so that personnel and property loss is easily caused. The problems can be effectively avoided by accurately evaluating the service performance of the external wall system under the environment action.

At present, the characteristics of a wall system are discussed mostly by respectively evaluating single components in a combined wall at home and abroad, an interface is used as a weak link in the system, the effect of environmental factors on the whole wall system cannot be fully reflected, and the device can evaluate the comprehensive performance of the combined wall system with different components.

At present, no equipment for evaluating the service process performance of the module of the assembly type wall system exists at home and abroad, the existing device cannot be adapted to various size thickness test wall systems, has single function, cannot simulate the working condition of an actual wall system, and realizes the coupling effect of temperature and humidity and a rain state while ensuring the isolation of the internal environment and the external environment.

Disclosure of Invention

The invention aims to solve the problems that the existing wall body service state evaluation equipment has single function and cannot accurately evaluate the performance of the traditional and assembled wall body systems, and provides a wall body service process simulation device.

The traditional wall system refers to a building wall and a related combined wall thereof which are formed by adopting an on-site masonry or cast-in-place mode; the prefabricated wall body system is a wall body system which is formed in an off-site mode by adopting a prefabricated technology at present and a related combined wall body thereof.

Performance refers to the deformation, mechanical, thermal and deterioration defects of the wall system.

A wall system service process simulation device comprises:

the device comprises a device main body, wherein the device main body consists of an environment simulation chamber, a wall system fixing support, a pressure and temperature control plate composite sealing door, an observation window sealing door and a device box;

the environment simulation chamber, the wall system fixing support, the pressure and temperature control plate composite sealing door and the observation window sealing door are fixed on the equipment box;

the equipment box comprises a dehumidifying device, a temperature-variable circulating water device, a pneumatic device, a refrigerating device and an antifreeze pool;

an observation window sealing door is arranged on the left side of the environment simulation chamber, an observation window is arranged on the observation window sealing door, and observation window glass on the observation window can be horizontally pushed and opened laterally;

the wall system fixing support and the pressure temperature control plate composite sealing door are in butt joint with the environment simulation chamber through guide rails;

the wall system fixing bracket is arranged on the wall system;

the bottom of the environment simulation cavity is provided with a resistance type heating pipe for heating the environment simulation cavity, and the top of the environment simulation cavity is provided with a plate type circulating cooler and an air supply fan for cooling the environment simulation cavity;

a program controller is fixed on the front side of the environment simulation chamber, and thread holes are formed in the same side;

the bottom of the environment simulation cavity is provided with a drainage dehumidification hole which is connected with the temperature-variable circulating water device and the dehumidification device, the drainage dehumidification hole is connected with a drainage pipeline, and the drainage pipeline is provided with an electromagnetic valve and is controlled by a process controller; the drainage pipeline is arranged in the equipment box;

the temperature control plate is fixed on a sealing door plate of the pressure temperature control plate composite sealing door through the air cylinder, and the air cylinder is adopted to control the position of the temperature control plate, so that the back side of the wall body system is ensured to be tightly attached to the temperature control plate;

the cylinder is connected with the pneumatic device through a hose, the water feeding pipe of the temperature control plate is connected with a water pump in the antifreeze pool, and the water return pipe of the temperature control plate is connected with the refrigerating device.

The invention has the beneficial effects that:

the device can simulate the temperature and humidity and the rain condition of the wall system under the actual service working condition, set the working condition through the process controller, quickly obtain the service state of the wall system under the corresponding working condition, and can combine with external test characterization equipment to carry out qualitative and quantitative evaluation on the deformation, mechanical property, thermal property and degradation defect of the wall system.

The wall system service process simulation device disclosed by the invention can be used for simulating the degradation process of a wall system constructed by various process levels such as cast-in-place and prefabricated assembly type construction, and can be used for carrying out in-situ online performance evaluation on the wall system by combining different sensing systems to obtain a performance evolution rule in the service process of the wall system. The information obtained by the device can be used for related industry personnel to control the product quality, develop detection technology, optimize evaluation means and research repair technology.

Drawings

Fig. 1 is a schematic front structural diagram of a service state simulation device of a wall system according to the present invention;

FIG. 2 is a schematic diagram of a back structure of the service state simulation apparatus of the wall system according to the present invention;

FIG. 3 is a cross-sectional view of a service state simulation device of the wall system according to the present invention;

FIG. 4 is a schematic diagram of a front right perspective structure of the service state simulation apparatus of the wall system according to the present invention;

FIG. 5 is a schematic structural diagram of a wall system fixing bracket of the wall system service state simulation device of the invention;

FIG. 6 is a schematic structural diagram of a composite sealing door of a pressure and temperature control plate of the wall system service state simulation device according to the present invention;

in the drawings, the reference numerals denote the following components:

1. an apparatus main body; 2. an environmental simulation chamber; 3. a wall system fixing bracket; 4. a pressure temperature control plate composite sealing door; 5. the observation window is a sealing door; 6. a resistance-type heating pipe; 7. an equipment box; 8. a dehumidifying device; 9. a variable temperature circulating water device; 10. a pneumatic device; 11. a refrigeration device; 12. a coolant pool; 13. a water pump; 14. a guide rail; 15. a hasp; 16. a wire hole; 17. an observation window; 18. a stainless steel square pipe frame; 19. a cylinder; 20. a temperature control plate; 21. a spray head; 22. an observation window glass; 23. a program controller; 24. an air supply fan; 25. a plate-type circulation cooler; 26. a drainage dehumidification hole; 27. a drain line.

Detailed Description

The first embodiment is as follows: this embodiment a wall system service process analogue means includes:

the terms indicating orientation and positional relationship used in the present invention, such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are only used for convenience of describing the present invention based on the orientation and positional relationship shown in the drawings, and do not indicate or imply that the apparatus must have a specific orientation, and thus, should not be construed as limiting the present invention.

The device comprises a device main body 1, a temperature control plate composite sealing door 4, an observation window sealing door 5 and a device box 7, wherein the device main body consists of an environment simulation chamber 2, a wall system fixing support 3, the pressure temperature control plate composite sealing door and the observation window sealing door;

the environment simulation chamber 2, the wall system fixing support 3, the pressure and temperature control plate composite sealing door 4 and the observation window sealing door 5 are fixed on the equipment box 7;

the equipment box 7 comprises a dehumidifying device 8, a temperature-variable circulating water device 9, a pneumatic device 10, a refrigerating device 11 and an antifreeze pool 12;

an observation window sealing door 5 is arranged on the left side of the environment simulation chamber 2, an observation window 17 is arranged on the observation window sealing door 5, and an observation window glass 22 on the observation window 17 can be horizontally pushed and opened in the lateral direction, so that equipment can be conveniently arranged to obtain in-situ signals;

the wall system fixing support 3 and the pressure temperature control plate composite sealing door 4 are in butt joint with the environment simulation chamber 2 through a guide rail 14;

the wall system fixing bracket 3 is arranged on a wall system;

the bottom of the environment simulation cavity 2 is provided with a resistance type heating pipe 6 for heating the environment simulation cavity 2, and the top of the environment simulation cavity 2 is provided with a plate type circulating cooler 25 and an air supply fan 24 for cooling the environment simulation cavity 2;

a program controller 23 is fixed on the front side of the environment simulation chamber 2, can set system parameter programs, and is provided with a wire hole 16 on the same side, so that a collection signal wire such as a sensor can be conveniently led out to be connected with a collection instrument;

the bottom of the environment simulation chamber 2 is provided with a drainage dehumidification hole 26 which is connected with the temperature-variable circulating water device 9 and the dehumidification device 8, the drainage dehumidification hole 26 is connected with a drainage pipeline 27, and the drainage pipeline 27 is provided with an electromagnetic valve and is controlled by the process controller 23; a drain line 27 is placed in the equipment box 7;

the position of a temperature control plate 20 is controlled through a process controller 23, the temperature control plate 20 is fixed on a sealing door plate of a pressure and temperature control plate composite sealing door 4 through an air cylinder 19, the position of the temperature control plate 20 is controlled by the air cylinder 19, the preset air cylinder 19 is used for realizing pressure, and the back side of a wall system (after a wall system fixing support is installed and tested, the wall system is assembled with an environment simulation chamber, and the pressure and temperature control plate composite sealing door is assembled and attached with the wall system fixing support) is tightly attached to the temperature control plate 20;

the cylinder 19 is connected with the pneumatic device 10 through a hose, a water feeding pipe of the temperature control plate 20 is connected with the water pump 13 in the antifreeze liquid pool 12, and a water return pipe of the temperature control plate 20 is connected with the refrigerating device 11; as shown in FIG. 4;

and starting the air cylinder 19 to enable the temperature control plate 20 to be tightly attached to the back side of the wall system, and adjusting the temperature of the temperature control plate through a program to realize the back side temperature control of the wall system.

The temperature control of the temperature control plate 20 is performed by the process controller 23. The indoor temperature of the outer wall system is stable, and both sides of the inner wall system are consistent with the indoor temperature. The thermal control plate 20 primarily provides quasi-static control of the temperature inside the wall system.

The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: and the inner frame of the wall system fixing support 3 is provided with a spray head 21 along the upper edge, and the spray head 21 is connected with a water pump 13 in the temperature-variable circulating water device 9 to realize the control of the wall water spraying process.

Other steps and parameters are the same as those in the first embodiment.

The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: the pressure temperature control plate composite sealing door 4 is combined with the wall system fixing support 3 along the guide rail 14;

the environmental simulation chamber 2, the wall system fixing support 3 and the pressure temperature control plate composite sealing door 4 are fixed by using the hasps 15 on two sides to realize sealing.

Other steps and parameters are the same as those in the first or second embodiment.

The fourth concrete implementation mode: the difference between this embodiment and the first to third embodiments is that the testing wall system can be provided with strain, temperature and other signal monitoring devices, and the wire holes 16 lead out the signal wires of the wired sensing devices to connect with the acquisition system, so as to realize online monitoring of parameters such as deformation in the service process of the wall system.

The acquisition system refers to all external signal acquisition systems, including strain, temperature, heat conductivity coefficient and other related signal acquisition systems, not the components in the system, and a device for evaluating the service state of a wall system.

Other steps and parameters are the same as those in one of the first to third embodiments.

The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: and the periphery of the environment simulation chamber 2 is filled with a low-heat-conductivity flame-retardant material.

Other steps and parameters are the same as in one of the first to fourth embodiments.

The sixth specific implementation mode: the difference between this embodiment and one of the first to fifth embodiments is: a temperature control plate is fixed on a sealing door plate of the pressure temperature control plate composite sealing door 4 through a stainless steel square pipe frame 18, and the tightness degree of the temperature control plate 20 and a wall body system is controlled through an air cylinder 19.

The other steps and parameters are the same as in one of the first to fifth embodiments.

The seventh embodiment: the difference between this embodiment and one of the first to sixth embodiments is: the temperature control plate 20 is connected with the refrigerating device 11 and realizes back-side temperature regulation of the wall system together with the temperature-variable circulating water device 9.

Other steps and parameters are the same as those in one of the first to sixth embodiments.

The specific implementation mode is eight: the present embodiment differs from one of the first to seventh embodiments in that: wall system fixed bolster 3 is used for wall system's rigidity, and wall system fixed bolster 3 and equipment box 7 in variable temperature circulating water device 9 UNICOM mutually make the peripheral temperature of wall system controllable, wall system fixed bolster 3 top is provided with the water drenching device, realizes different temperature water drenching environmental simulation.

Other steps and parameters are the same as those in one of the first to seventh embodiments.

The specific implementation method nine: the present embodiment differs from the first to eighth embodiments in that: the wall system fixing support 3 moves through the guide rail 14 and is embedded into the environment simulation chamber 2, and the contact position is sealed by a silica gel pad.

Other steps and parameters are the same as those in one to eight of the embodiments.

The detailed implementation mode is ten: the present embodiment differs from one of the first to ninth embodiments in that: the plate type circulation cooler 25 is connected with the refrigerating device 11, and the air supply fan 24 is controlled by the program controller 23 and operates together with the plate type circulation cooler 25 to realize refrigeration.

Other steps and parameters are the same as those in one of the first to ninth embodiments.

According to the standard and experimental requirements, the temperature and humidity program is edited by the process controller 23, so that the temperature and humidity control in the environment simulation chamber 2 is realized. The temperature rising process in the environment simulation cavity 2 is carried out through the resistance type heating pipe 6 in the interlayer, the temperature falling process is realized through the plate type circulating cooler 25 connected with the refrigerating device 11, and the air temperature in the environment simulation cavity 2 is adjusted by using the air supply fan 24.

In the operation process of the equipment, the observation window 17 on the observation window sealing door 5 can be opened, and an in-situ monitoring device such as a thermal infrared imager is embedded to carry out in-situ acquisition of signals such as thermal infrared images in the service process of the wall system.

The wall system service process simulation device disclosed by the invention can be used for simulating the degradation process of a wall system constructed by various process levels such as cast-in-place and prefabricated assembly type construction, and can be used for carrying out in-situ online performance evaluation on the wall system by combining different sensing systems to obtain a performance evolution rule in the service process of the wall system. The information obtained by the device can be used for related industry personnel to control the product quality, develop detection technology, optimize evaluation means and research repair technology.

The working principle of the device is detailed as follows:

1. firstly, starting an equipment main body 1, opening a hasp 15 between an environment simulation chamber 2 and a pressure temperature control plate composite sealing door 4, moving the pressure temperature control plate composite sealing door 4 to the right side along a guide rail 14, moving out a wall system fixing support 3, and placing the wall system into the wall system fixing support according to a test direction;

2. according to the test scheme and the representation requirement, stress strain and temperature sensors can be arranged on a wall system, and sensor signal wires are led out to the outer side of the environment simulation chamber 2 through wire holes 16 and connected with corresponding external signal acquisition equipment;

3. moving a fixed support 3 provided with a wall system leftwards and embedding the fixed support into the environment simulation chamber 2 along a guide rail 14, moving a pressure temperature control plate composite sealing door 4 leftwards and connecting the pressure temperature control plate composite sealing door with the fixed support 3 of the wall system, and fastening buckles 15 at two sides;

4. starting a pneumatic device 10 in the equipment box 7 through a process controller 23 to inflate an air cylinder 19 fixed on a stainless steel square pipe frame 18 and push a temperature control plate 20 to be tightly attached to the back side of a wall system; setting the temperature of a temperature control plate 20 by a process controller 23, starting a refrigerating device 11, pumping cooling liquid into the temperature control plate 20 by a water pump 13 in a cooling liquid pool 12, and adjusting the temperature of the temperature control plate 20 to enable the temperature of the back side of the wall system to be consistent with the temperature of the temperature control plate 20;

5. after the temperature of the back side of the wall system reaches the temperature of the temperature control plate 20, a tester can set the temperature, the humidity and the rain condition in the environmental simulation chamber 2 through the program controller 23, and the program controller 23 adopts PID control related signals. Experimenters set the environmental conditions in the environmental simulation chamber 2 through the process controller 23 and start the service state simulation of the wall body system;

6. the program controller 23 controls the temperature rise of the environment simulation chamber 2 through the resistance heating pipe 6, controls the temperature drop of the system formed by the plate-type circulating condenser 25 and the refrigerating device 11, and simultaneously starts the air supply fan 24 on the plate-type circulating cooler 25 and the refrigerating device 11 to cooperate to convey cold air to the environment simulation chamber 2. Cooling is realized;

7. the program controller 23 controls the rain condition and the humidification through the temperature-variable circulating water device 9 and the spray head 21 arranged on the wall system fixing bracket 3, when the humidity is higher than the humidity set by the program controller 23, the dehumidifying device 8 is started, and the environment simulation chamber 2 is dehumidified through the water drainage dehumidifying hole 26 and the water drainage pipeline 27;

8. the tester can detect the service state of the wall system through a sensor arranged in advance in the running process of the device, and can also arrange equipment such as a thermal infrared imager and the like at any time through an observation window 17 of the observation window sealing door 5 to carry out in-situ characterization on the service state of the wall system, and the observation window glass 22 can be laterally opened to facilitate the arrangement of related equipment;

9. after the service state testing process of the wall system is completed, the refrigerating device 11 is closed, the temperature control of the temperature control plate 20 is stopped, the pneumatic device 10 is closed, the buckle 15 is opened, the pressure and temperature control plate composite sealing door 4 is moved to the right side, the wall system fixing support 3 is moved out, the wall system and related sensors after the testing is completed are removed, the interior of the environment simulation chamber 2 is cleaned, and the test is finished.

The present invention is capable of other embodiments and its several details are capable of modifications in various obvious respects, all without departing from the spirit and scope of the present invention.