CN113820351A - Device and method for detecting heat conduction efficiency of wood floor by simulating indoor heating environment - Google Patents
Device and method for detecting heat conduction efficiency of wood floor by simulating indoor heating environment Download PDFInfo
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- CN113820351A CN113820351A CN202111185502.2A CN202111185502A CN113820351A CN 113820351 A CN113820351 A CN 113820351A CN 202111185502 A CN202111185502 A CN 202111185502A CN 113820351 A CN113820351 A CN 113820351A
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- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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Abstract
The invention discloses equipment for detecting the heat conduction efficiency of a wooden floor by simulating an indoor heating environment, which comprises an environment simulation box, wherein a heating part and a floor temperature sensor are arranged in the environment simulation box, the floor temperature sensor is positioned above the heating part and is in sliding connection with the side wall of the environment simulation box through an adjusting part, the top end of the heating part is provided with a floor to be detected, and the bottom end of the floor temperature sensor is abutted against the top end of the floor to be detected; the adjusting part comprises a sliding part fixedly connected with the side wall of the environment simulation box, the floor temperature sensor is positioned in the sliding part, and the floor temperature sensor is detachably connected with the sliding part through a locking part. The invention can realize that the heat conduction efficiency of the wooden floor under the indoor ground heating environment can be detected by simulating different temperatures and humidity while ensuring the integrity of the wooden floor structure, the heat conduction efficiency result tested by the method is closer to the natural use environment, and the imperfect problem of detecting the floor to be detected in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of heat conduction performance detection, in particular to equipment and a method for detecting the heat conduction efficiency of a wood floor by simulating an indoor heating environment.
Background
The heat conduction efficiency is one of important indexes of the thermophysical performance of the ground heating floor, and the heat conduction efficiency of the wood floor plays a crucial role in providing the temperature of a ground heating room in winter. According to a detection method specified in an industry standard LY/T1700-2018 wood floor for floor heating, when heat conduction efficiency indexes of different types of wood floors are detected, due to the limitation of equipment conditions, tested pieces need to be sawn and then detected in a closed space. The sealed mode of the detection equipment makes the detection environment form single, and the effect reflected by the wooden floor in the natural use environment cannot be reflected. Meanwhile, the equipment needs to be cooled for a long time after the detection is finished due to the sealing of the environment, and then the next set of experiment can be carried out. At present, the heat conduction efficiency test method of the wood floor in China only detects and analyzes the wood floor material, because the internal structures of the traditional multilayer solid wood floor, the traditional strengthened floor and the like are uniform, and the local manufactured floor to be tested can reflect the integral result of the floor.
Along with the continuous popularization of ground heating, the internal structure and the form of the wood floor are changed for improving the self heat conduction efficiency of a ground heating mode. The main factors influencing the heat conduction of the wooden floor include the types, compositions and temperatures of substances and are related to the loosening degree of the structure. The traditional detection method under sawing and sealing conditions can not show the advantage of the heat conduction efficiency of the wood floor with a new structure and a new form in an indoor ground heating environment.
Disclosure of Invention
The invention aims to provide equipment and a method for detecting the heat conduction efficiency of a wood floor by simulating an indoor heating environment, which are used for solving the problems in the prior art, can realize that the heat conduction efficiency of the wood floor in the indoor heating environment can be detected by simulating different temperatures and humidity while ensuring the structural integrity of the wood floor, and the heat conduction efficiency result tested by the method is closer to the natural use environment, thereby solving the problem of imperfection in the prior art for detecting the floor to be detected.
In order to achieve the purpose, the invention provides the following scheme: the invention provides equipment for detecting heat conduction efficiency of a wooden floor by simulating an indoor heating environment, which comprises an environment simulation box, wherein a heating part and a floor temperature sensor are arranged in the environment simulation box, the floor temperature sensor is positioned above the heating part and is in sliding connection with the side wall of the environment simulation box through an adjusting part, the top end of the heating part is provided with a floor to be detected, and the bottom end of the floor temperature sensor is abutted against the top end of the floor to be detected;
the adjusting part comprises a sliding part fixedly connected with the side wall of the environment simulation box, the floor temperature sensor is positioned in the sliding part, and the floor temperature sensor is detachably connected with the sliding part through a locking part;
the side wall of the environment simulation box is provided with an adjusting piece for controlling the temperature and the humidity in the environment simulation box;
the environment simulation box is provided with a temperature control part outside, and the temperature control part is communicated with the heating part.
Preferably, the heating part comprises a heating platform fixedly connected with the bottom of the environment simulation tank, the floor to be measured is positioned at the top end of the heating platform, a plurality of first water channel partition plates and a plurality of second water channel partition plates are arranged in the heating platform at intervals, one ends of the first water channel partition plates are fixedly connected with the inner wall of the heating platform, the other ends of the first water channel partition plates are in clearance with the inner wall of the heating platform, one ends of the second water channel partition plates, far away from the first water channel partition plates, are fixedly connected with the inner wall of the heating platform, the other ends of the second water channel partition plates are in clearance with the inner wall of the heating platform, a water inlet is arranged on one side of the heating platform, close to the temperature control part, the heating platform is communicated with the water outlet end of the temperature control part through the water inlet, and a water outlet is arranged on one side of the heating platform, far away from the temperature control part, the heating platform is communicated with a water return pipe through the water outlet, and the water outlet end of the water return pipe is communicated with the water inlet end of the temperature control part.
Preferably, heating platform inside wall rigid coupling has water inlet temperature sensor, heating platform central temperature sensor, delivery port temperature sensor, water inlet temperature sensor is located and is close to one side of water inlet, delivery port temperature sensor is located and is close to one side of delivery port, heating platform central temperature sensor is located water inlet temperature sensor with between the delivery port temperature sensor, water inlet temperature sensor heating platform central temperature sensor delivery port temperature sensor all with control by temperature change portion electric connection.
Preferably, the temperature control part comprises a temperature control water tank arranged outside the environment simulation box, a heating plate is arranged in the temperature control water tank, the heating plate is electrically connected with the water inlet temperature sensor, the heating platform center temperature sensor and the water outlet temperature sensor, a circulating pump is arranged at the water outlet end of the temperature control water tank, and the water outlet end of the temperature control water tank is communicated with the water inlet through the circulating pump.
Preferably, the outer surface of the temperature control water tank is fixedly connected with a heat preservation and insulation layer.
Preferably, the slider include with the extension arm slide of environmental simulation incasement wall rigid coupling, extension arm slide lateral wall sliding connection has two extension arms, two the extension arm is kept away from one side rigid coupling respectively of extension arm slide has the long slab, floor temperature sensor passes through the locking piece with the connection can be dismantled to the long slab.
Preferably, the fixed orifices has been seted up on the long slab, floor temperature sensor is located in the fixed orifices, the locking piece include with long slab threaded connection's adjusting knob, the adjusting knob is close to the one end of long slab is passed the long slab and is stretched into in the fixed orifices, just the one end of adjusting knob with floor temperature sensor butt.
Preferably, the adjusting member includes a ventilation fan disposed on a side wall of the environmental simulation chamber, and the ventilation fan is located above the floor temperature sensor.
The use method of the device for detecting the heat conduction efficiency of the wooden floor by simulating the indoor heating environment comprises the following operation steps:
a. installing a floor to be tested: placing the floor to be measured at the top end of the heating platform, and adjusting the two floor temperature sensors to enable the bottom ends of the two floor temperature sensors to be in contact with the top end of the floor to be measured;
b. adjusting the temperature and humidity in the environment simulation box: after the step a is finished, a ventilation fan is turned on, and the temperature and the humidity in the environment simulation box are adjusted to preset values;
c. adjusting the top temperature of the floor to be measured: after the step b is finished, the ventilation fan is closed, the heating plate and the circulating pump are started, and the temperature of the top end of the floor to be measured is adjusted to a preset value;
d. the test was started: after the step c is finished, continuously working the heating plate, adjusting the temperature of the heating platform to a preset value and keeping the temperature constant, and then recording the temperature change of the top end of the floor to be measured;
e. heat dissipation of the environment simulation box: and d, after the step d is finished, taking the floor to be measured out, opening the ventilation fan, restoring the temperature in the environment simulation box to the preset value in the step b, and then putting the new floor to be measured into the environment simulation box.
Preferably, in step a, the distance between two floor temperature sensors is not less than 250 mm.
The invention discloses the following technical effects:
1. the whole floor to be detected is placed on the heating part, the complete structure of the floor to be detected can be comprehensively embodied, and compared with the traditional detection equipment and detection method, the floor to be detected can only reflect the local effect of the floor.
2. The heating part is matched with the temperature control part, so that the floor to be detected is heated under a simulated real environment, and the accuracy of detecting the heat conductivity of the floor to be detected is improved.
3. Through setting up the regulating part, regulate and control the temperature and humidity in the environmental simulation case, under the effect of regulating part, can dispel the heat fast in the environmental simulation case, and then reduced the interval time when detecting two sets of different floors that await measuring, and then improved the detection speed on the floor that awaits measuring.
4. Through setting up slider and locking piece for floor temperature sensor's position can remove, realizes monitoring the temperature of the different positions in floor top that awaits measuring, and then improves the accuracy nature that detects the floor heat conductivility that awaits measuring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an apparatus for detecting heat conduction efficiency of a wooden floor by simulating an indoor heating environment;
FIG. 2 is a schematic structural view of a heating platform;
FIG. 3 is a perspective view of the adjustment portion;
FIG. 4 is a perspective view of the extender arm;
the system comprises an environment simulation box 1, a floor temperature sensor 2, a floor to be tested 3, a heating platform 4, a first water channel partition plate 5, a second water channel partition plate 6, a water inlet 7, a water outlet 8, a water return pipe 9, a water inlet temperature sensor 10, a heating platform center temperature sensor 11, a water outlet temperature sensor 12, a temperature control water tank 13, a heating plate 14, a circulating pump 15, a heat preservation and insulation layer 16, an extension arm slide rail 17, an extension arm 18, a long plate 19, an adjusting button 20, a ventilation fan 21 and an air release valve 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a device for detecting the heat conduction efficiency of a wooden floor by simulating an indoor heating environment, which comprises an environment simulation box 1, wherein a heating part and a floor temperature sensor 2 are arranged in the environment simulation box 1, the floor temperature sensor 2 is positioned above the heating part, the floor temperature sensor 2 is in sliding connection with the side wall of the environment simulation box 1 through an adjusting part, the top end of the heating part is provided with a floor to be detected 3, and the bottom end of the floor temperature sensor 2 is abutted against the top end of the floor to be detected 3; the adjusting part comprises a sliding part fixedly connected with the side wall of the environment simulation box 1, the floor temperature sensor 2 is positioned in the sliding part, and the floor temperature sensor 2 is detachably connected with the sliding part through a locking part; the side wall of the environment simulation box 1 is provided with an adjusting piece for controlling the temperature and the humidity in the environment simulation box 1; the environment simulation box 1 is externally provided with a temperature control part which is communicated with the heating part.
Install to 1 bottom of environmental simulation case with the heating platform 4 of simulation geothermol power condition, under the effect of control by temperature change portion, change heating platform 4's temperature, and then for 3 different temperatures that provide in the floor that await measuring, and floor temperature sensor 2 is preferred to be provided with two, two floor temperature sensor 2 are under the effect of slider and locking piece, make two floor temperature sensor 2 can with the different position contact on 3 tops on the floor that awaits measuring, the effect of carrying out heat conduction efficiency detection to the different positions on 3 tops on the floor that awaits measuring has been realized on the one hand, on the other hand, get two floor temperature sensor 2's average value, can regard as the holistic heat conductivility testing result in the floor that awaits measuring 3.
After the heat conductivity of one floor 3 to be measured finishes detecting, the adjusting part is started, so that the environment simulation box 1 is quickly cooled, and then the initial temperature of the environment simulation box 1 is recovered, so that the heat conductivity of the next floor 3 to be measured is detected.
In this technical solution, the environment simulation box 1 can adopt 1m3The top end or the side wall of the environment simulation box 1 is provided with a detachably connected box cover (not shown in the figure). So as to put the floor 3 to be measured into or take the environmental simulation box 1 out.
The heating part comprises a heating platform 4 fixedly connected with the bottom of an environment simulation box 1, a floor 3 to be measured is positioned at the top end of the heating platform 4, a plurality of first water channel partition plates 5 and a plurality of second water channel partition plates 6 are arranged in the heating platform 4 at intervals, one ends of the first water channel partition plates 5 are fixedly connected with the inner wall of the heating platform 4, gaps are reserved between the other ends of the first water channel partition plates 5 and the inner wall of the heating platform 4, one ends of the second water channel partition plates 6 far away from the first water channel partition plates 5 are fixedly connected with the inner wall of the heating platform 4, gaps are reserved between the other ends of the second water channel partition plates 6 and the inner wall of the heating platform 4, a water inlet 7 is arranged on one side of the heating platform 4 close to a temperature control part, the heating platform 4 is communicated with a water outlet end of the temperature control part through the water inlet 7, a water outlet 8 is arranged on one side of the heating platform 4 far away from the temperature control part, and a water return pipe 9 is communicated with the heating platform 4 through the water outlet 8, the water outlet end of the water return pipe 9 is communicated with the water inlet end of the temperature control part.
Under the effect of first water course baffle 5 and second water course baffle 6 for present S type water course in the heating platform 4, ensure the velocity of water flow when ensuring the comparatively even heating of heating platform 4, in order to avoid long-pending gas in the heating platform 4, set up water inlet 7 and delivery port 8 respectively in the both sides of heating platform 4, the hot water of control by temperature change water tank 13 output gets into in the heating platform 4 by water inlet 7, finally flows by delivery port 8, and in getting back to control by temperature change water tank 13 again under the effect of wet return 9.
In this technical scheme, be provided with bleed valve 22 on wet return 9, have gaseous production to make the water route obstructed in heating platform 4, lead to heating platform 4 surface temperature uneven or unusual, can open bleed valve 22 and discharge gas, when no gaseous production or gaseous production do not influence the temperature on heating platform 4 surface in heating platform 4, it can to close bleed valve 22.
In the technical scheme, the heating platform 4, the first water channel partition plate 5 and the second water channel partition plate 6 are preferably formed by welding stainless steel plates so as to simulate the environment of the floor 3 to be measured in a normal geothermal environment, the size of the heating platform is preferably 650mm multiplied by 700mm multiplied by 30mm, and the distance between the first water channel partition plate 5 and the second water channel partition plate 6 is 20 mm-50 mm.
Further optimize the scheme, 4 inside wall rigid couplings of heating platform have water inlet temperature sensor 10, heating platform central temperature sensor 11, delivery port temperature sensor 12, water inlet temperature sensor 10 is located the one side that is close to water inlet 7, delivery port temperature sensor 12 is located the one side that is close to delivery port 8, heating platform central temperature sensor 11 is located between water inlet temperature sensor 10 and the delivery port temperature sensor 12, water inlet temperature sensor 10, heating platform central temperature sensor 11, delivery port temperature sensor 12 all with control by temperature change portion electric connection. Three temperature sensors are arranged in the heating platform 4, wherein a water inlet temperature sensor 10 is used for monitoring the temperature of a water inlet 7, a water outlet temperature sensor 12 is used for monitoring the temperature of a water outlet 8, the water inlet temperature sensor 10 and the water outlet temperature sensor 12 are used for monitoring whether the temperature of inlet and outlet water of the heating platform 4 meets requirements, and a heating platform center temperature sensor 11 is used for monitoring the real-time temperature of the heating platform 4 and recording the temperature change.
In this technical scheme, environmental simulation case 1 is provided with control system (not shown in the figure) outward, water inlet temperature sensor 10, heating platform central temperature sensor 11, delivery port temperature sensor 12 all should with control system electric connection, water inlet temperature sensor 10, heating platform central temperature sensor 11, delivery port temperature sensor 12 feeds back the temperature that detects to control system in real time, work as water inlet temperature sensor 10, heating platform central temperature sensor 11, delivery port temperature sensor 12 detects behind the temperature that heating platform 4 accords with the predetermined requirement, feed back to control system in real time, control system can realize heating control by temperature change portion, and then realized the control to heating platform 4 output temperature.
Further optimize the scheme, control by temperature change portion is including setting up the control by temperature change water tank 13 outside environmental simulation case 1, is provided with hot plate 14 in the control by temperature change water tank 13, hot plate 14 and water inlet temperature sensor 10, heating platform central temperature sensor 11, delivery port temperature sensor 12 electric connection, and control by temperature change water tank 13 water outlet end is provided with circulating pump 15, and control by temperature change water tank 13 water outlet end passes through circulating pump 15 and water inlet 7 intercommunication. The heating plate 14 is used for heating the circulating water in the temperature control water tank 13, and the circulating water after heating is guided out of the temperature control water tank 13 under the action of the circulating pump 15, so that the heating of the heating platform 4 is realized.
In this technical scheme, hot plate 14 should be through control system and water inlet temperature sensor 10, heating platform central temperature sensor 11, delivery port temperature sensor 12 electric connection, and the temperature that is detected by water inlet temperature sensor 10, heating platform central temperature sensor 11, delivery port temperature sensor 12 feeds back to control system, and control system controls opening and closing of hot plate 14 according to the feedback temperature to the realization is to the regulation of heating platform 4 temperature. The connection mode and the use method of the water inlet temperature sensor 10, the heating platform center temperature sensor 11, the water outlet temperature sensor 12, the heating plate 14 and the control system all belong to the prior art, and the existing accessories are adopted during use, so that redundant description is not repeated.
In a further optimized scheme, a heat preservation and insulation layer 16 is fixedly connected to the outer surface of the temperature control water tank 13. The purpose of the thermal insulation layer 16 is to maintain the temperature in the temperature control water tank 13, so that the temperature control water tank 13 is not easy to dissipate heat, and further energy consumption is reduced, and the thermal insulation layer 16 can be wrapped by rubber plastic cotton to prevent heat dissipation in the temperature control water tank 13.
Further optimize the scheme, the slider includes extension arm slide 17 with the internal wall rigid coupling of environmental simulation case 1, and extension arm slide 17 lateral wall sliding connection has two extension arms 18, and one side that extension arm slide 17 was kept away from to two extension arms 18 is the rigid coupling respectively has long board 19, and floor temperature sensor 2 passes through the locking piece and can dismantle with long board 19 and be connected. Extension arm 18 can slide on extension arm slide 17, and then drives long board 19 motion, and all is provided with a floor temperature sensor 2 on every long board 19, and floor temperature sensor 2 hangs in the floor 3 top that awaits measuring to make floor temperature sensor 2's detection head and the floor 3 bottom contact that awaits measuring, so that measure the temperature variation on record floor 3 surface that awaits measuring.
In this technical scheme, extension arm slide 17 is apart from the top of heating platform 4 preferred 80 mm.
Further optimize the scheme, seted up the fixed orifices on the long plate 19, floor temperature sensor 2 is located the fixed orifices, and the locking piece includes the adjusting knob 20 with long plate 19 threaded connection, and adjusting knob 20 passes long plate 19 and stretches into in the fixed orifices near the one end of long plate 19, and adjusting knob 20's one end and floor temperature sensor 2 butt. Through rotating adjusting knob 20 to the realization is to floor temperature sensor 2's rigid coupling and dismantlement, because can be according to the height of the specification adjustment floor temperature sensor 2 of the floor 3 that awaits measuring, so that floor temperature sensor 2 and the floor 3 top contact that awaits measuring.
In a further optimized scheme, the adjusting part comprises a ventilation fan 21 arranged on the side wall of the environment simulation box 1, and the ventilation fan 21 is positioned above the floor temperature sensor 2. Ventilating fan 21 can blow in steam in environmental simulation case 1 promptly, plays the effect of heating up in environmental simulation case 1, and liquid can blow in air conditioning to environmental simulation case 1, plays the effect of cooling down in environmental simulation case 1, should be provided with devices such as compressor (not shown in the figure) outside environmental simulation case 1 to blow in air conditioning to environmental simulation case 1 in, and carry out air cycle, thereby improve the radiating efficiency of environmental simulation case 1.
The use method of the device for detecting the heat conduction efficiency of the wooden floor by simulating the indoor heating environment comprises the following steps:
a. installing a floor to be tested 3: the floor 3 to be measured is placed on the top end of the heating platform 4, and the two floor temperature sensors 2 are adjusted to enable the bottom ends of the two floor temperature sensors 2 to be in contact with the top end of the floor 3 to be measured. The box cover is opened, the floor 3 to be measured is placed at the top end of the heating platform 4, an operator pushes the extension arm 18 to move to drive the long plate 19 to move, then the two floor temperature sensors 2 are driven to move, after any two points are selected from the top end of the floor 3 to be measured, the adjusting button 20 is rotated, so that the detecting head of the floor temperature sensor 2 is contacted with the top end of the floor 3 to be measured, the adjusting button 20 is rotated again, and the floor temperature sensor 2 is fixed.
b. Adjusting the temperature and humidity inside the environmental simulation chamber 1: after the step a is completed, the ventilation fan 21 is turned on, and the temperature and humidity in the environmental simulation chamber 1 are adjusted to predetermined values. The ventilation fan 21 is turned on, air of a predetermined temperature and humidity is blown into the environmental simulation chamber 1 by the ventilation fan 21, and when the temperature in the environmental simulation chamber 1 is 23 ℃ and the humidity is 40%, the ventilation fan 21 is stopped.
c. Adjusting the top temperature of the floor to be measured 3: and c, after the step b is finished, taking out the floor 3 to be measured, starting the heating plate 14 and the circulating pump 15, and adjusting the top temperature of the floor 3 to be measured to a preset value. When the temperature and the humidity in the environmental simulation case 1 keep constant, open hot plate 14, hot plate 14 heats the circulating water in the control by temperature change water tank 13, and the circulating water that finishes of heating is pumped into in heating platform 4 by circulating pump 15, and floor temperature sensor 2 works simultaneously, and the monitoring is awaited measuring 3 top temperature on floor, and when 3 top temperature on floor that await measuring reached 25 ℃, continues follow-up test step.
d. The test was started: after step c is completed, the heating plate 14 continuously works, the temperature of the heating platform 4 is adjusted to a preset value and kept constant, and then the temperature change of the top end of the floor 3 to be measured is recorded. When the temperature of the top end of the floor 3 to be measured reaches 25 ℃, the heating plate 14 continues to work, the temperature of the heating platform is raised to 60 ℃ and kept constant, heat energy is transferred from the bottom end to the top end of the floor 3 to be measured, the average surface temperature and the time are recorded every 5min until the surface temperature is stable, the temperature is accurate to 0.1 ℃, and the time is accurate to 1 min.
The heat conduction efficiency of the floor 3 to be measured is calculated according to the formula and the formula, and the accuracy is 1 ℃/h.
Q＝t/T
In the formula:
q-thermal conductivity in degrees Celsius per hour (deg.C/h);
t is the temperature of the upper surface of the floor when stable, in degrees centigrade (DEG C);
t-time taken for the temperature of the upper surface of the floor to stabilize in hours (h).
The upper surface temperature T at which stability is reached and the time T taken. And within 1h from a certain time T, judging that the temperature of the upper surface of the test piece reaches stability at the time T if the difference value between all adjacent test data is not more than 0.3 ℃. The upper surface temperature T at which stability is reached and the time T taken.
e. The environment simulation box 1 dissipates heat: and d, taking out the floor 3 to be measured after the step d is finished, opening the ventilation fan 21, restoring the temperature in the environment simulation box 1 to the preset value in the step b, and then putting a new floor 3 to be measured. After 3 floor that awaits measuring detected and finish, under the effect of outside compressor, let in air conditioning through ventilating fan 21 in to environmental simulation case 1 to carry out rapid cooling in to environmental simulation case 1, detect next floor 3 that awaits measuring with quick.
In a further optimized scheme, in the step a, the distance between the two floor temperature sensors 2 is not less than 250 mm. The distance between the two floor temperature sensors 2 should not be too small to improve the accuracy of the detection of the heat conduction efficiency of the floor 3 to be measured.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. The device for detecting the heat conduction efficiency of the wooden floor by simulating the indoor heating environment comprises an environment simulation box (1) and is characterized in that a heating part and two floor temperature sensors (2) are arranged in the environment simulation box (1), the floor temperature sensors (2) are positioned above the heating part, the floor temperature sensors (2) are in sliding connection with the side wall of the environment simulation box (1) through adjusting parts, the top end of the heating part is provided with a floor to be detected (3), and the bottom end of each floor temperature sensor (2) is abutted to the top end of the floor to be detected (3);
the adjusting part comprises a sliding part fixedly connected with the side wall of the environment simulation box (1), the floor temperature sensor (2) is positioned in the sliding part, and the floor temperature sensor (2) is detachably connected with the sliding part through a locking part;
the side wall of the environment simulation box (1) is provided with an adjusting piece for controlling the temperature and the humidity in the environment simulation box (1);
the environment simulation box (1) is externally provided with a temperature control part, and the temperature control part is communicated with the heating part.
2. The apparatus for detecting heat conduction efficiency of wooden floor according to claim 1, wherein: the heating part comprises a heating platform (4) fixedly connected with the bottom of the environment simulation box (1), the floor (3) to be measured is positioned at the top end of the heating platform (4), a plurality of first water channel partition plates (5) and a plurality of second water channel partition plates (6) are arranged in the heating platform (4) at intervals, one end of each first water channel partition plate (5) is fixedly connected with the inner wall of the heating platform (4), the other end of each first water channel partition plate (5) is in clearance with the inner wall of the heating platform (4), the end, far away from the first water channel partition plates (5), of each second water channel partition plate (6) is fixedly connected with the inner wall of the heating platform (4), the other end of each second water channel partition plate (6) is in clearance with the inner wall of the heating platform (4), one side, close to the temperature control part, of the heating platform (4) is provided with a water inlet (7), heating platform (4) pass through water inlet (7) with control by temperature change portion outlet end intercommunication, heating platform (4) are kept away from one side of control by temperature change portion is provided with delivery port (8), heating platform (4) pass through delivery port (8) intercommunication has wet return (9), wet return (9) outlet end with control by temperature change portion inlet end intercommunication.
3. The apparatus for detecting heat conduction efficiency of wooden floor according to claim 2, wherein: heating platform (4) inside wall rigid coupling has water inlet temperature sensor (10), heating platform central temperature sensor (11), delivery port temperature sensor (12), water inlet temperature sensor (10) are located and are close to one side of water inlet (7), delivery port temperature sensor (12) are located and are close to one side of delivery port (8), heating platform central temperature sensor (11) are located water inlet temperature sensor (10) with between delivery port temperature sensor (12), water inlet temperature sensor (10) heating platform central temperature sensor (11) delivery port temperature sensor (12) all with control by temperature change portion electric connection.
4. The apparatus for detecting heat conduction efficiency of wooden floor according to claim 3, wherein: the temperature control part comprises a temperature control water tank (13) arranged outside the environment simulation box (1), a heating plate (14) is arranged in the temperature control water tank (13), the heating plate (14) is connected with the water inlet temperature sensor (10), the heating platform center temperature sensor (11) and the water outlet temperature sensor (12) in an electric mode, a circulating pump (15) is arranged at the water outlet end of the temperature control water tank (13), and the water outlet end of the temperature control water tank (13) is communicated with the water inlet (7) through the circulating pump (15).
5. The apparatus for detecting heat conduction efficiency of wooden floor according to claim 4, wherein: and a heat preservation and insulation layer (16) is fixedly connected to the outer surface of the temperature control water tank (13).
6. The apparatus for detecting heat conduction efficiency of wooden floor according to claim 1, wherein: the slider include with extension arm slide (17) of environmental simulation case (1) inner wall rigid coupling, extension arm slide (17) lateral wall sliding connection has two extension arms (18), two extension arm (18) are kept away from one side rigid coupling respectively of extension arm slide (17) has long board (19), floor temperature sensor (2) pass through the locking piece with long board (19) can be dismantled and be connected.
7. The apparatus for detecting heat conduction efficiency of wooden floor according to claim 6, wherein: the fixed orifices has been seted up on rectangular plate (19), floor temperature sensor (2) are located in the fixed orifices, the locking piece include with rectangular plate (19) threaded connection's adjusting knob (20), adjusting knob (20) are close to the one end of rectangular plate (19) is passed rectangular plate (19) and is stretched into in the fixed orifices, just the one end of adjusting knob (20) with floor temperature sensor (2) butt.
8. The apparatus for detecting heat conduction efficiency of wooden floor according to claim 1, wherein: the adjusting part comprises a ventilation fan (21) arranged on the side wall of the environment simulation box (1), and the ventilation fan (21) is positioned above the floor temperature sensor (2).
9. The use method of the apparatus for detecting heat conduction efficiency of wooden floor based on simulated indoor heating environment according to any one of claims 1 to 8 is characterized in that: the operation steps comprise:
a. installing a floor to be tested (3): placing the floor (3) to be measured at the top end of the heating platform (4), and adjusting the two floor temperature sensors (2) to enable the bottom ends of the two floor temperature sensors (2) to be in contact with the top end of the floor (3) to be measured;
b. adjusting the temperature and humidity in the environment simulation box (1): after the step a is finished, a ventilation fan (21) is turned on, and the temperature and the humidity in the environment simulation box (1) are adjusted to preset values;
c. adjusting the top temperature of the floor (3) to be measured: after the step b is finished, the ventilation fan (21) is closed, the heating plate (14) and the circulating pump (15) are started, and the temperature of the top end of the floor (3) to be measured is adjusted to a preset value;
d. the test was started: after the step c is finished, continuously working the heating plate (14), adjusting the temperature of the heating platform (4) to a preset value and keeping the temperature constant, and then recording the temperature change of the top end of the floor (3) to be measured;
e. the environment simulation box (1) dissipates heat: and d, after the step d is finished, taking out the floor (3) to be measured, opening the ventilation fan (21), recovering the temperature in the environment simulation box (1) to the preset value in the step b, and then putting the new floor (3) to be measured into the environment simulation box.
10. The use method of the apparatus for simulating indoor heating environment to detect heat conduction efficiency of wooden floor as claimed in claim 9, wherein: in the step a, the distance between the two floor temperature sensors (2) is not less than 250 mm.
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