A device for detecting the heat transfer performance optimization of a paper-faced gypsum board

By recovering waste heat and monitoring temperature through auxiliary mechanisms, the problems of waste heat loss and burns after testing in the paper-faced gypsum board heat transfer performance optimization testing equipment have been solved, realizing a safe and efficient testing process.

CN120577351BActive Publication Date: 2025-12-05TAISHAN GYPSUM (GUANGDONG) CO LTD
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Patent Information

Application Number
CN202510766996.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-06-10
Publication Date
2025-12-05
Estimated Expiration
2045-06-10

AI Technical Summary

Technical Problem

Existing testing equipment for optimizing the heat transfer performance of paper-faced gypsum board directly opens the cavity to remove the specimen after the test, resulting in residual heat loss and the risk of burns, affecting the safety and efficiency of the equipment.

Method used

An auxiliary mechanism was designed to recover waste heat and monitor the cavity temperature using a temperature sensor through the cooperation of a fan, a three-way pipe, and an electric valve. This avoids directly opening the cavity to remove the specimen. The mechanism combines a slide and a sensor group to heat the specimen and detect its temperature, thus optimizing the testing process.

Benefits of technology

This enables the reuse of waste heat, reduces the risk of burns to staff, improves equipment safety and testing efficiency, and optimizes the effectiveness of heat transfer performance testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of paper face gypsum board heat transfer performance optimization detection equipment, it is related to paper face gypsum board detection technical field, including equipment ontology, auxiliary mechanism is arranged on the equipment ontology, the auxiliary mechanism includes fixed shell, shell and two round pipes, L-shaped plate is installed at the opening of shell, first electric valve is installed at the opposite end of two round pipes, fan is installed in the fixed shell, connecting pipe is installed in the air inlet end of fan, by auxiliary mechanism, paper face gypsum board heat transfer performance optimization detection equipment can be after completing single gypsum board detection, avoid the case of opening cavity and taking out test piece directly, to promote the next round of detection, such that not only can the waste heat inside cavity be recycled and reused, but also can reduce the risk of being scalded when opening cavity by staff, i.e. improve the use effect of paper face gypsum board heat transfer performance optimization detection equipment.
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Description

Technical Field

[0001] This invention relates to the field of paper-faced gypsum board testing technology, specifically to a testing device for optimizing the heat transfer performance of paper-faced gypsum board. Background Technology

[0002] As the construction industry places increasingly stringent requirements on energy conservation and consumption reduction, the heat transfer performance of paper-faced gypsum board, a building material widely used in walls and ceilings, has become a core factor determining the effectiveness of building insulation and energy consumption. In order to accurately grasp the heat transfer characteristics of paper-faced gypsum board and achieve targeted performance optimization, people generally use paper-faced gypsum board heat transfer performance optimization testing equipment to test paper-faced gypsum board.

[0003] Currently, existing testing equipment for optimizing the heat transfer performance of paper-faced gypsum board has the following shortcomings:

[0004] In the operation process of the paper-faced gypsum board heat transfer performance optimization testing equipment, after completing the test of a single gypsum board, the staff often need to directly open the cavity to remove the specimen in order to proceed to the next round of testing. However, this operation mode not only causes the residual heat in the cavity to dissipate quickly during the cavity opening process, resulting in energy waste, but also easily increases the risk of staff being burned, thereby affecting the safety of the equipment and reducing the effectiveness of the paper-faced gypsum board heat transfer performance optimization testing equipment.

[0005] Therefore, we propose a testing device for optimizing the heat transfer performance of paper-faced gypsum board in order to solve the problems mentioned in the background technology. Summary of the Invention

[0006] The purpose of this invention is to provide a testing device for optimizing the heat transfer performance of paper-faced gypsum board. Through an auxiliary mechanism, the device can avoid directly opening the cavity to remove the specimen after completing the test of a single gypsum board in order to proceed to the next round of testing. This not only allows for the recovery and reuse of residual heat inside the cavity, but also reduces the risk of burns to workers when opening the cavity. In other words, it improves the effectiveness of the testing device for optimizing the heat transfer performance of paper-faced gypsum board and helps to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a testing device for optimizing the heat transfer performance of paper-faced gypsum board, comprising a device body, wherein an auxiliary mechanism is provided on the device body;

[0008] The auxiliary mechanism includes a fixed shell, a housing, and two circular tubes. An L-shaped plate is installed at the opening of the housing. A first electric valve is installed at each of the opposite ends of the two circular tubes. A fan is installed inside the fixed shell. A connecting pipe is installed at the air inlet of the fan. A tee pipe is installed at the air outlet of the fan. A second electric valve is installed at each of the two air outlets of the tee pipe. A ventilation pipe is installed at the air outlet of each second electric valve. A sub-test piece is set inside the housing. A mounting shell is bonded to the inside of the housing. A temperature sensor is installed inside the mounting shell.

[0009] Preferably, a shell plate is installed on the front surface of the fixed shell, two locking rods are fixed on the lower side of the L-shaped plate, two locking slots are opened on the top of the shell, and two auxiliary blocks are fixed on both sides of the L-shaped plate.

[0010] Preferably, the air inlet end of the connecting pipe is installed with the air outlet end of one of the first electric valves, the air outlet end of one of the ventilation pipes is installed with the air inlet end of the housing, and the air outlet end of the other ventilation pipe is in contact with the ventilation port of the housing plate.

[0011] Preferably, the front surface of the sub-sample is in contact with the surface of the L-shaped plate, the detection end of the temperature sensor abuts against the rear surface of the sub-sample, and each of the clamping rods is movably sleeved inside each clamping slot.

[0012] Preferably, the device body includes a housing and a controller. A housing cover is installed on the top of the housing. A first insulation sleeve is adhered to the outer wall of the housing. A second insulation sleeve is adhered to the outer wall of the housing cover. The top of the first insulation sleeve is in contact with the bottom of the second insulation sleeve. Two heating plates are installed on one side of the inner wall of the housing.

[0013] Preferably, the inner wall front surface and inner wall rear surface of the box are provided with a first sliding groove, and the inner wall front surface and inner wall rear surface of the box are provided with a second sliding groove. A fixing frame is fixed inside the box, and the main test piece is arranged inside the fixing frame. A slider is slidably connected inside each of the first sliding groove and each of the second sliding grooves. Two hand-tightened bolts are threaded through the surface of each slider.

[0014] Preferably, the four sliders are divided into two groups. In one group, a first mounting bracket is fixed between the sliders, and four first sensor groups are mounted on the surface of the first mounting bracket. In the other group, a second mounting bracket is fixed between the sliders, and four second sensor groups are mounted on the surface of the second mounting bracket. The surface of the second mounting bracket is provided with mounting holes, and a heat flow meter is installed inside the mounting holes.

[0015] Preferably, the controller is mounted on the surface of the fixed shell, the top of the fixed frame and the top of the main test piece are in contact with the bottom of the box cover, the eight hand-tightening bolts are divided into four groups, the threaded ends of two groups of hand-tightening bolts are abutting against the inner wall surface of the box, and the detection end face of each second sensor group is on the same plane as the detection end face of the heat flow meter.

[0016] Preferably, the threaded ends of the other two sets of hand-tightened bolts abut against the rear surface of the inner wall of the housing, the detection end of each of the first sensor groups moves through the surface of the first mounting bracket, the detection end of each of the second sensor groups moves through the surface of the second mounting bracket, and the rear surface of the fixed shell is fixed to the front surface of the first insulation sleeve.

[0017] Preferably, the side of the shell near the first insulation sleeve is fixed to the front surface of the first insulation sleeve, and the opposite ends of the two round tubes are respectively fixed through the front surface and the rear surface of the box, and the opposite ends of the two round tubes are respectively fixed through the front surface and the rear surface of the first insulation sleeve.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. This invention, through an auxiliary mechanism, allows the paper-faced gypsum board heat transfer performance optimization testing equipment to avoid directly opening the cavity to remove the specimen after completing the test of a single gypsum board in order to proceed to the next round of testing. This not only allows for the recovery and reuse of residual heat inside the cavity but also reduces the risk of burns to personnel when opening the cavity, thus improving the effectiveness of the paper-faced gypsum board heat transfer performance optimization testing equipment. Through the cooperation of the activated fan, three-way pipe, one activated second electric valve, one activated first electric valve, connecting pipe, one round pipe, and one ventilation pipe, hot air inside the chamber can be extracted and transported to the interior of the shell. The installation shell provides a mounting position for the temperature sensor.

[0020] 2. This invention, by setting up the device body, can detect the heat transfer performance of paper-faced gypsum board. With the cooperation of the first slide groove, slider, hand-tightening bolt and the first mounting bracket, the first sensor group can be fixed inside the box. With the cooperation of the controller, box, heating plate and box cover, the cavity on one side of the main test piece and its internal air can be heated. With the cooperation of the first insulation sleeve and the second insulation sleeve, the temperature loss in the cavity on one side of the main test piece can be reduced. Attached Figure Description

[0021] Figure 1 This is a partial sectional perspective view of a testing device for optimizing the heat transfer performance of paper-faced gypsum board according to the present invention.

[0022] Figure 2 This is a perspective view of a testing device for optimizing the heat transfer performance of paper-faced gypsum board according to the present invention.

[0023] Figure 3 This is a partial perspective view of a testing device for optimizing the heat transfer performance of paper-faced gypsum board according to the present invention.

[0024] Figure 4 This is a partial perspective view of another angle of the testing equipment for optimizing the heat transfer performance of paper-faced gypsum board according to the present invention;

[0025] Figure 5 This is a three-dimensional cross-sectional view of the main body of a testing device for optimizing the heat transfer performance of paper-faced gypsum board according to the present invention.

[0026] Figure 6 This is a perspective view of the auxiliary mechanism of a paper-faced gypsum board heat transfer performance optimization and testing device according to the present invention.

[0027] Figure 7 This is a perspective view of another part of the auxiliary mechanism of the paper-faced gypsum board heat transfer performance optimization testing equipment of the present invention;

[0028] Figure 8 This is a perspective view of the main body of a testing device for optimizing the heat transfer performance of paper-faced gypsum board according to the present invention.

[0029] Figure 9 This is a three-dimensional structural diagram of the L-shaped plate, clamping rod, and auxiliary block of the paper-faced gypsum board heat transfer performance optimization testing device of the present invention;

[0030] Figure 10 This is a sectional perspective view of the auxiliary mechanism of a paper-faced gypsum board heat transfer performance optimization and testing device according to the present invention.

[0031] In the diagram: 1. Equipment body; 101. Housing; 102. Housing cover; 103. First insulation sleeve; 104. Second insulation sleeve; 105. Controller; 106. Heating plate; 107. First slide rail; 108. Second slide rail; 109. Fixing frame; 110. Main test piece; 111. Sliding block; 112. First mounting frame; 113. First sensor group; 114. Second mounting frame; 115. Second sensor group; 116. Mounting hole; 117. Heat flow meter; 118. Hand-tightened bolt; 2. Auxiliary mechanism; 201. Fixed shell; 202. Shell plate; 203. Shell; 204. L-shaped plate; 205. Round tube; 206. First electric valve; 207. Fan; 208. Connecting pipe; 209. T-shaped pipe; 210. Second electric valve; 211. Ventilation pipe; 212. Sub-test piece; 213. Auxiliary block; 214. Mounting shell; 215. Temperature sensor; 216. Clamping rod; 217. Clamping slot. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Example 1: Please refer to Figures 1-5 and Figure 8 As shown, the present invention provides a technical solution: a testing device for optimizing the heat transfer performance of paper-faced gypsum board, comprising a device body 1, the device body 1 including a housing 101 and a controller 105, a housing cover 102 installed on the top of the housing 101, a first insulation sleeve 103 adhered to the outer wall of the housing 101, a second insulation sleeve 104 adhered to the outer wall of the housing cover 102, the top of the first insulation sleeve 103 contacting the bottom of the second insulation sleeve 104, and two heating plates 106 installed on one side of the inner wall of the housing 101. The outer surface and the rear inner wall of the box 101 are both provided with first grooves 107, and the inner front surface and the rear inner wall of the box 101 are both provided with second grooves 108. A fixing frame 109 is fixed inside the box 101, and the main test piece 110 is arranged inside the fixing frame 109. A slider 111 is slidably connected inside each first groove 107 and each second groove 108. Two hand-tightened bolts 118 are threaded through the surface of each slider 111. The four sliders 111 are divided into two groups, and a first groove 108 is fixed between the sliders 111 in one group. A mounting bracket 112 has four first sensor groups 113 mounted on its surface. A second mounting bracket 114 is fixed between two sets of sliders 111. Four second sensor groups 115 are mounted on the surface of the second mounting bracket 114. Mounting holes 116 are formed on the surface of the second mounting bracket 114, and heat flow meters 117 are installed inside the mounting holes 116. A controller 105 is mounted on the surface of the fixed housing 201. The top of the fixed bracket 109 and the top of the main test piece 110 are in contact with the bottom of the box cover 102. Eight hands... The bolts 118 are divided into four groups. The threaded ends of two groups of hand-tightened bolts 118 abut against the front surface of the inner wall of the housing 101. The detection end face of each second sensor group 115 is on the same plane as the detection end face of the heat flow meter 117. The threaded ends of the other two groups of hand-tightened bolts 118 abut against the rear surface of the inner wall of the housing 101. The detection end of each first sensor group 113 moves through the surface of the first mounting bracket 112. The detection end of each second sensor group 115 moves through the surface of the second mounting bracket 114.

[0034] In this embodiment, when it is necessary to test the heat transfer performance of the main specimen 110, the cover 102 is first removed. The removed cover 102 will then move the second insulation sleeve 104. Next, all four sets of hand-tightened bolts 118 are loosened. Then, using the corresponding set of sliders 111 and the two first sliding grooves 107, the first mounting bracket 112 is moved horizontally. This moving first mounting bracket 112 will move the first sensor group 113 together. When the detection end of the first sensor group 113 abuts against one side of the main specimen 110, the movement of the first mounting bracket 112 is stopped. Then, all two sets of hand-tightened bolts 118 are tightened. Finally, using the corresponding set of sliders 111 and the two second sliding grooves 108... The second mounting bracket 114 is moved horizontally, which moves the second sensor group 115 along with it. Simultaneously, with the cooperation of the mounting holes 116, the heat flow meter 117 is moved. When the detection ends of both the second sensor group 115 and the heat flow meter 117 are in contact with the other side of the main specimen 110, the movement of the second mounting bracket 114 is stopped. Then, the two sets of hand-tightened bolts 118 are tightened, and the cover 102 is returned to its original position. Next, the controller 105 is used to activate the two heating plates 106, the heat flow meter 117, the first sensor group 113, and the second sensor group 115. At this point, the two activated heating plates 106 can heat one side of the main specimen 110. The cavity and its internal air are heated, and one side of the main test piece 110 is heated through heat conduction. Simultaneously, the activated heat flux meter 117 collects heat flux density data of the main test piece 110 at a preset frequency and transmits the collected heat flux density data to the controller 105 as an electrical signal. At the same time, the activated first sensor group 113 and the activated second sensor group 115 continuously detect the temperature of both sides of the main test piece 110 and transmit the detected temperature data to the controller 105 as an electrical signal. The controller 105 then transmits all received data to the computer. Simultaneously, the controller 105 compares the temperature data received from the first sensor group 113 (temperature data of one side of the main test piece 110) with the preset temperature data. When the temperature data received by the controller 105 on one side of the main test piece 110 is lower than the preset first temperature threshold, the parameter controller 105 will continue to activate the two heating plates 106. When the temperature data received by the controller 105 on one side of the main test piece 110 is within the preset first temperature threshold range, the controller 105 will adjust the parameters of the two heating plates 106 as needed, so that the temperature on one side of the main test piece 110 remains stable for a period of time. When the temperature data detected by the first sensor group 113, the temperature data detected by the second sensor group 115, and the heat flux density data detected by the heat flux meter 117 are all in a stable state for a period of time, the entire equipment cavity is in a thermal steady state.Subsequently, the controller 105 first shuts off the two heating plates 106. After a period of time, the controller 105 shuts off the first sensor group 113 and the second sensor group 115. At this point, the computer uses the received data (heat flux density and temperature gradient on both sides of the main specimen 110) and the thickness data of the main specimen 110 to calculate the thermal conductivity and thermal resistance of the main specimen 110 using the Fourier heat conduction equation. Then, by combining these obtained coefficients and parameters, the heat transfer performance of the main specimen 110 can be determined.

[0035] Example 2: According to Figures 1-10 As shown, the main body 1 of the equipment is equipped with an auxiliary mechanism 2, which includes a fixed shell 201, a housing 203, and two round tubes 205. An L-shaped plate 204 is installed at the opening of the housing 203. A first electric valve 206 is installed at the opposite ends of the two round tubes 205. A fan 207 is installed inside the fixed shell 201. A connecting pipe 208 is installed at the air inlet end of the fan 207, and a three-way pipe 209 is installed at the air outlet end of the fan 207. Both air outlet ends of the three-way pipe 209 are... A second electric valve 210 is installed, and a ventilation pipe 211 is installed at the outlet end of each second electric valve 210. A secondary test piece 212 is set inside the housing 203. A mounting shell 214 is bonded to the inside of the housing 203. A temperature sensor 215 is installed inside the mounting shell 214. A shell plate 202 is installed on the front surface of the fixed shell 201. Two locking rods 216 are fixed on the lower side of the L-shaped plate 204. Two locking slots 217 are opened on the top of the housing 203. The two sides of the L-shaped plate 204... Two auxiliary blocks 213 are fixed on each side. The air inlet end of the connecting pipe 208 is installed with the air outlet end of one of the first electric valves 206. The air outlet end of one ventilation pipe 211 is installed with the air inlet end of the housing 203. The air outlet end of the other ventilation pipe 211 is in contact with the ventilation port of the shell plate 202. The front surface of the sub-test piece 212 is in contact with the surface of the L-shaped plate 204. The detection end of the temperature sensor 215 abuts against the rear surface of the sub-test piece 212. Each clamping rod 216 is respectively... The movable sleeve is fitted inside each slot 217. The rear surface of the fixed shell 201 is fixed to the front surface of the first insulation sleeve 103. The side of the shell 203 close to the first insulation sleeve 103 is fixed to the front surface of the first insulation sleeve 103. The opposite ends of the two round tubes 205 are fixedly inserted through the front surface and the rear surface of the box 101, respectively. The opposite ends of the two round tubes 205 are fixedly inserted through the front surface and the rear surface of the first insulation sleeve 103, respectively.

[0036] In this embodiment, when the heat transfer performance test of the main test piece 110 is completed, one of the second electric valves 210 is activated by the controller 105. Then, the fan 207 and the two first electric valves 206 are activated simultaneously by the controller 105. At this time, the activated fan 207, in cooperation with the fixed shell 201, the connecting pipe 208, one of the circular pipes 205 and one of the activated first electric valves 206, extracts the hot air inside one side of the cavity of the main test piece 110 and delivers it into the three-way pipe 209. At the same time, the hot air extracted from one side of the main test piece 110... The cavity, in conjunction with another circular pipe 205 and another activated first electric valve 206, draws cold air from the environment into its interior. Then, hot air inside the three-way pipe 209, in conjunction with the activated second electric valve 210 and one of the ventilation pipes 211, is transported into the interior of the housing 203. The hot air transported into the housing 203, in conjunction with the mounting shell 214 and the L-shaped plate 204, preheats the rear surface of the sub-sample 212 inside the housing 203. Afterwards, the controller 105 activates the temperature sensor 215, at which point the activated temperature sensor... The temperature sensor 215 continuously monitors the temperature of the rear surface of the sub-sample 212 and transmits the detected temperature data to the controller 105 as an electrical signal. The controller 105 compares the received temperature data with a pre-set second temperature threshold. When the temperature data received by the controller 105 is lower than the pre-set second temperature threshold, the controller 105 will activate one of the second electric valves 210. When the temperature data received by the controller 105 is within the pre-set second temperature threshold range, the controller 105 will directly activate the other second electric valve 210 and close the activated second electric valve 210. At this time, the hot air that continues to be supplied to the inside of the three-way pipe 209 will be directly supplied to the environment with the cooperation of the other activated second electric valve 210, the other ventilation pipe 211, and the shell plate 202. When the temperature inside the cavity on one side of the main sample 110 drops to a suitable temperature, the controller 105 can close the two first electric valves 206, the fan 207, and the other second electric valve 210. Then, the operation is reversed according to the above steps to open the box cover 102. Remove the first mounting bracket 112 and the second mounting bracket 114, and move them in opposite directions. This allows the auxiliary mechanism 2 to quickly lower the temperature inside the cavity on one side of the main specimen 110, preventing burns to personnel when removing the cover 102. Next, remove the main specimen 110. Then, using the two auxiliary blocks 213 and tools, separate the L-shaped plate 204 from the housing 203. The moving L-shaped plate 204 will cause both locking rods 216 to separate from their corresponding slots 217. Then, move the secondary specimen 212 inside the fixing bracket 109, ensuring its preheated side is close to the heating plate 106. Then, follow the above operating steps. This allows the auxiliary mechanism 2 to work effectively.One side of the sub-sample 212 is preheated to shorten the time required for the sub-sample 212 to reach steady-state heat transfer during the testing process. Then, the subsequent samples requiring preheating are placed inside the housing 203, and all other components are returned to their original positions.

[0037] The overall effect and working principle of the mechanism are as follows:

[0038] In the preparation stage, first connect both heating plates 106 to the controller 105, then connect the first sensor group 113 and the second sensor group 115 to the controller 105, then connect the heat flow meter 117 to the controller 105, then connect both first electric valves 206 and both second electric valves 210 to the controller 105, then connect the fan 207 and the temperature sensor 215 to the controller 105, then connect the controller 105 to an external power supply, then turn on the controller 105 and set the first temperature threshold (target temperature threshold) and the second temperature threshold, and then connect the controller 105 to an external computer.

[0039] During the testing phase, when it is necessary to test the heat transfer performance of the main test piece 110, first remove the cover 102. The removed cover 102 will then move the second insulation sleeve 104. Next, loosen all four sets of hand-tightened bolts 118. Then, using the corresponding set of sliders 111 and the two first sliding grooves 107, the first mounting bracket 112 will move horizontally. This movement of the first mounting bracket 112 will move the first sensor group 113 along with it. When the detection end of the first sensor group 113 abuts against one side of the main test piece 110, stop the movement of the first mounting bracket 112. Then, tighten the corresponding two sets of hand-tightened bolts 118. Finally, using the corresponding set of sliders 111 and the two second sliding grooves 108, the heat transfer performance of the main test piece 110 will be tested. The second mounting bracket 114 is moved horizontally, which moves the second sensor group 115 along with it. Simultaneously, with the cooperation of the mounting holes 116, it moves the heat flow meter 117. When the detection ends of both the second sensor group 115 and the heat flow meter 117 are in contact with the other side of the main specimen 110, the movement of the second mounting bracket 114 is stopped. Then, the two sets of hand-tightened bolts 118 are tightened. Next, the cover 102 is returned to its original position. Then, the controller 105 is used to activate the two heating plates 106, the heat flow meter 117, the first sensor group 113, and the second sensor group 115. At this point, the two activated heating plates 106 can heat one side of the main specimen 110. The cavity and its internal air are heated, and one side of the main test piece 110 is heated through heat conduction. Simultaneously, the activated heat flux meter 117 collects heat flux density data of the main test piece 110 at a preset frequency and transmits the collected heat flux density data to the controller 105 as an electrical signal. At the same time, the activated first sensor group 113 and the activated second sensor group 115 continuously detect the temperature on both sides of the main test piece 110 and transmit the detected temperature data to the controller 105 as an electrical signal. The controller 105 then transmits all received data to the computer. Simultaneously, the controller 105 compares the temperature data detected by the first sensor group 113 (temperature data on one side of the main test piece 110) with the preset... The temperature data received by the controller 105 on one side of the main test piece 110 is compared with a pre-set first temperature threshold. When the temperature data received by the controller 105 on one side of the main test piece 110 is lower than the pre-set first temperature threshold, the parameter controller 105 will continue to activate the two heating plates 106. When the temperature data received by the controller 105 on one side of the main test piece 110 is within the pre-set first temperature threshold range, the controller 105 will adjust the parameters of the two heating plates 106 according to the situation, so that the temperature on one side of the main test piece 110 remains stable for a period of time. When the temperature data detected by the first sensor group 113, the temperature data detected by the second sensor group 115, and the heat flux density data detected by the heat flux meter 117 are all in a stable state for a period of time, the entire equipment cavity is in a thermal steady state.Subsequently, the controller 105 first shuts off the two heating plates 106. After a period of time, the controller 105 shuts off the first sensor group 113 and the second sensor group 115. At this time, the computer uses the received data (heat flux density and temperature gradient on both sides of the main specimen 110) and the thickness data of the main specimen 110 to calculate the thermal conductivity and thermal resistance of the main specimen 110 using the Fourier heat conduction equation. Then, by combining these obtained coefficients and parameters, the heat transfer performance of the main specimen 110 can be determined.

[0040] During the waste heat recovery stage inside chamber 101, when the heat transfer performance test of the main test piece 110 is completed, one of the second electric valves 210 is activated by controller 105. Then, controller 105 simultaneously activates fan 207 and two first electric valves 206. The activated fan 207, in coordination with the fixed shell 201, connecting pipe 208, one of the circular pipes 205, and one of the activated first electric valves 206, extracts hot air from one side of the cavity of the main test piece 110 and delivers it into the three-way pipe 209. Simultaneously, the main test piece 110, whose hot air has been extracted... One side cavity of component 110, in cooperation with another circular pipe 205 and another activated first electric valve 206, draws cold air from the environment into its interior. Then, the hot air inside the three-way pipe 209, in cooperation with the activated second electric valve 210 and one of the ventilation pipes 211, is transported into the interior of the housing 203. The hot air transported into the housing 203, in cooperation with the mounting shell 214 and the L-shaped plate 204, preheats the rear surface of the sub-sample 212 inside the housing 203. Afterwards, the controller 105 activates the temperature sensor 215. The activated temperature sensor 215 continuously monitors the temperature of the rear surface of the sub-sample 212 and transmits the detected temperature data to the controller 105 as an electrical signal. The controller 105 compares the received temperature data with a pre-set second temperature threshold. When the temperature data received by the controller 105 is lower than the pre-set second temperature threshold, the controller 105 will activate one of the second electric valves 210. When the temperature data received by the controller 105 is within the pre-set second temperature threshold range, the controller 105 will directly activate the other second electric valve 210 and close the activated first electric valve 210. At this time, the hot air that continues to be supplied to the inside of the three-way pipe 209 will be directly supplied to the environment with the cooperation of the other activated second electric valve 210, the other ventilation pipe 211, and the shell plate 202. When the temperature inside the cavity on one side of the main sample 110 drops to a suitable temperature, the controller 105 can close the two first electric valves 206, the fan 207, and the other second electric valve 210. Then, the operation is reversed according to the above steps to open the box cover 102. Remove the first mounting bracket 112 and the second mounting bracket 114, and move them in opposite directions. This allows the auxiliary mechanism 2 to quickly lower the temperature inside the cavity on one side of the main specimen 110, preventing burns to personnel when removing the cover 102. Next, remove the main specimen 110. Then, using the two auxiliary blocks 213 and tools, separate the L-shaped plate 204 from the housing 203. The moving L-shaped plate 204 will cause both locking rods 216 to separate from their corresponding slots 217. Then, move the secondary specimen 212 inside the fixing bracket 109, ensuring its preheated side is close to the heating plate 106. Then, follow the above operating steps. This allows the auxiliary mechanism 2 to work effectively.One side of the sub-sample 212 is preheated to shorten the time required for the sub-sample 212 to reach steady-state heat transfer during the testing process. Then, the subsequent samples requiring preheating are placed inside the housing 203, and all other components are returned to their original positions.

[0041] Among them, the controller 105 (PLC controller), heating plate 106 (resistance wire heating plate), first sensor group 113 (temperature detector), second sensor group 115 (temperature detector), heat flow meter 117, first electric valve 206, second electric valve 210, fan 207 and temperature sensor 215 are all existing technologies, and their working principles are all publicly available technologies. Their models can be selected according to the actual situation, and will not be explained in detail here.

[0042] Among them, the main specimen 110 and the auxiliary specimen 212 are both made of the same type of paper-faced gypsum board, and their edges have been heat-insulated.

[0043] Among them, the first sensor group 113, the second sensor group 115 and the temperature sensor 215 are all probe-type thermocouple sensors. Their detection end is a thin needle-shaped metal probe. The probe end face is a welding point (thermal junction) of two different metal wires, while the other parts of the probe are wrapped with an insulating layer and will not exchange heat with other objects.

[0044] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for detecting the optimization of the heat transfer performance of a paper-gypsum board, comprising a device body (1), characterized in that: Auxiliary mechanism (2) is arranged on the equipment body (1); The auxiliary mechanism (2) includes a fixed shell (201), a shell (203) and two circular pipes (205), an L-shaped plate (204) is installed at the opening of the shell (203), a first electric valve (206) is installed at the opposite end of each of the two circular pipes (205), a fan (207) is installed in the fixed shell (201), a connecting pipe (208) is installed at the air inlet end of the fan (207), a three-way pipe (209) is installed at the air outlet end of the fan (207), a second electric valve (210) is installed at the two air outlet ends of the three-way pipe (209), a ventilation pipe (211) is installed at the air outlet end of each second electric valve (210), a vice test piece (212) is arranged in the shell (203), an installation shell (214) is bonded in the shell (203), and a temperature sensor (215) is installed in the installation shell (214); The equipment body (1) includes a box body (101) and a controller (105), a box cover (102) is installed on the top of the box body (101), a first heat preservation sleeve (103) is bonded to the outer wall of the box body (101), a second heat preservation sleeve (104) is bonded to the outer wall of the box cover (102), the top of the first heat preservation sleeve (103) is in contact with the bottom of the second heat preservation sleeve (104), two heating plates (106) are installed on one side of the inner wall of the box body (101), a first sliding groove (107) is formed in the front surface and the rear surface of the inner wall of the box body (101), a second sliding groove (108) is formed in the front surface and the rear surface of the inner wall of the box body (101), a fixed frame (109) is fixed in the box body (101), a main test piece (110) is arranged in the fixed frame (109), a sliding block (111) is slidably connected in each first sliding groove (107) and each second sliding groove (108), two hand screws (118) are threaded through the surface of each sliding block (111), four sliding blocks (111) are divided into two groups, a first mounting frame (112) is fixed between the sliding blocks (111) in one group, four first sensor groups (113) are installed on the surface of the first mounting frame (112), a second mounting frame (114) is fixed between the sliding blocks (111) in the other group, four second sensor groups (115) are installed on the surface of the second mounting frame (114), an installation hole (116) is formed in the surface of the second mounting frame (114), and a heat flow meter (117) is installed in the installation hole (116).

2. The paper-faced gypsum board heat transfer performance optimization detection apparatus of claim 1, wherein: The front surface of the fixed shell (201) is provided with a shell plate (202), the lower side of the L-shaped plate (204) is fixed with two clamping rods (216), the top of the shell (203) is provided with two clamping grooves (217), and the two sides of the L-shaped plate (204) are fixed with two auxiliary blocks (213).

3. The paper-faced gypsum board heat transfer performance optimization detection apparatus of claim 2, wherein: The air inlet end of the connecting pipe (208) is installed with the air outlet end of one of the first electric valve (206), the air outlet end of one of the ventilation pipe (211) is installed with the air inlet end of the shell (203), the air outlet end of the other ventilation pipe (211) is in contact with the ventilation hole of the shell plate (202).

4. The paper-faced gypsum board heat transfer performance optimization detection apparatus of claim 2, wherein: The front surface of the auxiliary test piece (212) is in contact with the surface of the L-shaped plate (204), the detection end of the temperature sensor (215) is in contact with the rear surface of the auxiliary test piece (212), and each clamping rod (216) is movably sleeved in each clamping groove (217).

5. The paper-faced gypsum board heat transfer performance optimization detection apparatus of claim 1, wherein: The controller (105) is installed on the surface of the fixed shell (201), the top of the fixing frame (109) and the top of the main test piece (110) are in contact with the bottom of the box cover (102), and eight hand screws (118) are divided into four groups, the threaded ends of two groups of hand screws (118) are in contact with the front surface of the inner wall of the box (101), and the detection end of each second sensor group (115) is in the same plane with the detection end of the heat flow meter (117).

6. The paper-faced gypsum board heat transfer performance optimization detection apparatus of claim 1, wherein: The threaded ends of the other two groups of hand screws (118) are in contact with the rear surface of the inner wall of the box (101), the detection end of each first sensor group (113) is movably penetrated through the surface of the first mounting frame (112), and the detection end of each second sensor group (115) is movably penetrated through the surface of the second mounting frame (114), the rear surface of the fixed shell (201) is fixed with the front surface of the first heat preservation sleeve (103).

7. The paper-faced gypsum board heat transfer performance optimization detection apparatus of claim 1, wherein: The side of the shell (203) close to the first heat preservation sleeve (103) is fixed with the front surface of the first heat preservation sleeve (103), and the opposite ends of the two circular pipes (205) are fixedly penetrated through the front surface and the rear surface of the box (101), respectively. The opposite ends of the two circular pipes (205) are fixedly penetrated through the front surface and the rear surface of the first heat preservation sleeve (103), respectively.

Citation Information

Patent Citations

  • Device and method for detecting thermal resistance and heat transfer coefficient of building wall material

    CN118759000A

  • Device for detecting heat resistance of SBS (styrene-butadiene-styrene) waterproof coiled material

    CN216926655U