CN220019449U

CN220019449U - Insulation board insulation performance testing device

Info

Publication number: CN220019449U
Application number: CN202321371916.9U
Authority: CN
Inventors: 张文华
Original assignee: Chengdu Zhongtai New Material Co ltd
Current assignee: Chengdu Zhongtai New Material Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-11-14
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a heat insulation performance testing device of a heat insulation board, which comprises: the detection box body is internally provided with a heating plate, and an electric heating wire is embedded in the heating plate; the front side of the detection box body above the heating plate is hinged with a sealing door, an exhaust fan is arranged in the detection box body, and an output pipe of the exhaust fan is connected with a waste heat utilization box; the pressing cover can move up and down through the lifting mechanism; the detection assembly is positioned on the pressure cover; the detection assembly comprises a mounting seat which can move relative to the pressure cover, at least two probes are fixed on the mounting seat, temperature sensors are arranged in the probes, and the probes are distributed along the length direction of the heat insulation plate; the device also comprises a push plate; the push plate moves along the front-back side direction of the detection box body through the driving mechanism. The utility model provides a testing device for the heat insulation performance of a heat insulation board, which has good testing effect and can utilize waste heat to enhance the environmental protection performance of the testing device.

Description

Insulation board insulation performance testing device

Technical Field

The utility model relates to the technical field of thermal insulation performance test, in particular to a thermal insulation performance test device for a thermal insulation board.

Background

The heat insulation effect of the building is increased by paving the heat insulation board on the building outer wall, and the heat insulation performance of the building outer wall is provided on the heat insulation effect of the heat insulation board, so that when the heat insulation board is produced, the heat insulation performance of the building outer wall needs to be sampled and detected to judge whether the heat insulation board meets the specified standard or not, and the detection operation needs to be performed by using the detection device.

In the prior art, the insulation board to be tested is generally directly placed in the detection box body, then the insulation board is heated, and the insulation performance of the insulation board is judged by measuring the temperature change of the insulation board. For example, chinese patent CN210720220U discloses a performance detection device of external wall insulation board, and it is through setting up the heating storehouse that has the locating frame, still sets up the detection storehouse that has the movable frame, and the movable frame sets up relatively with the locating frame, and the locating frame is connected through a plurality of threaded rods to the movable frame, and the heated board is fixed between movable frame and locating frame, and the threaded rod can adjust the distance between movable frame and the locating frame to can fix the heated board of different thickness, convenient to use, application scope is wide. But in above-mentioned patent, heat heated board one side through electric heating wire, heated board and heater strip do not contact, and heating efficiency is slower, and the heated board after the test is higher towards the temperature of heater strip, can't directly take out the heated board by hand, and then still need assist the heated board to take out with the help of other instruments, take out the process more troublesome, reduced test efficiency.

Disclosure of Invention

It is an object of the present utility model to address at least the above problems and/or disadvantages and to provide at least the advantages described below.

In order to solve the defects in the prior art, the utility model provides a heat insulation performance testing device of a heat insulation board, which comprises:

the detection box body is internally provided with a heating plate, and an electric heating wire is embedded in the heating plate; the front side of the detection box body above the heating plate is hinged with a sealing door, an exhaust hood connected with an exhaust fan is arranged in the detection box body, and an output pipe of the exhaust fan is connected with a waste heat utilization box;

the pressing cover is positioned above the heating plate and can move up and down through the lifting mechanism;

the detection assembly is positioned on the pressure cover; the detection assembly comprises a mounting seat which can move relative to the pressure cover, at least two probes are fixed on the mounting seat, temperature sensors are arranged in the probes, and the probes are distributed along the length direction of the heat insulation plate;

the push plate is positioned at the rear side of the detection box body; the push plate moves along the front-back side direction of the detection box body through the driving mechanism.

Further, a bearing table is arranged outside the detection box body below the sealing door, and an arc-shaped abdication opening is formed in the front side of the bearing table.

Further, the waste heat utilization box comprises a box body with an exhaust port at the top, the output pipe is communicated with the bottom of the box body, a water distribution plate and a water collection plate are arranged in the box body from top to bottom, a plurality of water distribution pipes which are uniformly arranged are connected between the water distribution plate and the water collection plate, vertical ventilation grooves are distributed on the water collection plate, a drainage plate with an inverted funnel-shaped section is arranged on the side wall of the box body, the top of the water distribution plate is connected with a water inlet pipe, and a drain pipe is connected with the bottom of the water collection plate.

Further, the water distribution pipes are bent, spoilers are arranged between the outer walls of the water distribution pipes in a surrounding mode, and the spoilers between two adjacent water distribution pipes are distributed in a staggered mode in the height direction of the box body.

Further, the top of mount pad and the output pole fixed connection of first electric telescopic handle, first electric telescopic handle is installed on pressing the cover.

Further, elevating system is the second electric telescopic handle, press the top surface of cover with the output pole fixed connection of second electric telescopic handle, the second electric telescopic handle is installed on the roof in the detection box, just press the bottom surface of cover to be equipped with pressure sensor.

Further, actuating mechanism includes threaded rod, bull stick and guide bar, the threaded rod is rotatable to be installed on the inside wall of one side of detection box and extend along front and back side direction, the guide bar is fixed on the opposite side inside wall of detection box and with threaded rod symmetric distribution, the removal seat of one side of push pedal with threaded rod threaded connection, the guide holder slip of its opposite side wears to establish on the guide bar, the threaded rod front end has smooth section, install bevel gear one on the smooth section, the one end of bull stick stretches into detect in the box with bevel gear two be connected, bevel gear two with bevel gear one meshing is connected.

Further, the other end of the rotating rod is provided with a rotating handle, and the movable seat is in sliding fit with the inner side wall of the detection box body.

The utility model at least comprises the following beneficial effects: the detection box body and the sealing door provide a closed testing environment, so that the interference of external environmental factors on testing is reduced, and the accuracy of thermal insulation performance testing is improved; the electric heating wires in the heating plate provide heat to heat the insulation board, the detection assembly carries out temperature measurement on the surface of the insulation board, the mounting seat can be arranged in a lifting manner along the height direction of the detection box body, and the probe is convenient for measuring the temperature of the insulation boards with different thicknesses; the pressing cover is used for pressing the heat-insulating plate on the heating plate on one hand, so that the heat-insulating plate is in direct contact with the heating plate, the heating efficiency of the heating plate on the heat-insulating plate is improved, the heat loss is reduced, the pressing cover is used for fixing the heat-insulating plate, so that the heat-insulating plate is in comprehensive contact with the heating plate, the heat-insulating plate is uniformly heated, the improvement of the test accuracy is facilitated, and on the other hand, a relatively sealed temperature measuring space can be formed between the pressing cover and the heat-insulating plate, so that the temperature measuring space is separated from the inner space of the detection box body, and the influence of heat in the detection box body on the surface of the heat-insulating plate in the temperature measuring space on the test accuracy is avoided; meanwhile, the lifting mechanism drives the pressure cover to move up and down, so that the pressure cover is suitable for heat insulation boards with different thicknesses, and the applicability of the testing device is enhanced; after the test is finished, the exhaust fan is used for extracting hot air in the detection box body, so that the temperature reduction in the detection box body is facilitated, the test interval time is shortened, the test speed is accelerated, and the heat of the hot air extracted by the exhaust fan is recycled through the waste heat utilization box, so that the waste heat is utilized, the energy consumption is reduced, and the purposes of energy conservation and environmental protection are realized; the push plate is used for pushing the heat-insulating plate after the test is completed out of the detection box body, an operator does not need to touch the heat-insulating plate directly by hands, labor is saved, and test efficiency is improved.

By adopting the utility model, the heat-insulating plate is uniformly and comprehensively contacted with the heating plate under the action of the pressure cover, and the probe measures the temperature change before and after the heat-insulating plate is heated, so that the heat-insulating performance of the heat-insulating plate is judged; after the test is accomplished, the air exhauster will detect the steam in the box and extract, do benefit to and detect the inside heat dissipation cooling of box, carry out recycle through waste heat utilization case to the heat that the steam that draws through the air exhauster had to realized the utilization to the waste heat, reduced the energy consumption, outside the rethread push pedal was released the heated board after accomplishing the test and is detected the box, need not the operating personnel and take the heated board of higher temperature with the hand, protection operating personnel's safety has improved test efficiency simultaneously.

Drawings

Fig. 1 is a schematic diagram of a testing device for thermal insulation performance of a thermal insulation board according to the present utility model.

FIG. 2 is a schematic cross-sectional view of the inspection box of the present utility model.

Fig. 3 is a schematic structural view of the suction hood of the present utility model.

Fig. 4 is a schematic structural view of the driving mechanism of the present utility model.

Fig. 5 is a schematic structural view of the waste heat utilization tank of the present utility model.

Reference numerals: the device comprises a 1-detection box body, a 11-sealing door, a 12-bearing table, a 121-yielding port, a 2-heating plate, a 3-exhaust fan, a 31-output pipe, a 32-exhaust hood, a 4-waste heat utilization box, a 42-box body, a 421-exhaust port, a 44-water distribution plate, a 441-water inlet pipe, a 45-water collection plate, a 451-water outlet pipe, a 46-water distribution pipe, a 47-ventilation groove, a 48-drainage plate, a 49-spoiler, a 5-pressure hood, a 52-spring II, a 6-lifting mechanism, a 61-second electric telescopic rod, a 7-detection assembly, a 71-mounting seat, a 72-probe, a 73-first electric telescopic rod, a 8-push plate, a 82-moving seat, a 83-guide seat, a 9-driving mechanism, a 91-threaded rod, a 911-smooth section, a 912-bevel gear I, a 92-rotating rod, a 921-bevel gear II, a 93-guide rod and a 10-rotating handle.

Detailed Description

The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.

It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Referring to fig. 1 to 4, an insulation board insulation performance testing device includes:

the detection box body 1 is internally provided with a heating plate 2, and an electric heating wire is embedded in the heating plate 2; the front side of the detection box body 1 above the heating plate 2 is hinged with a sealing door 11, the detection box body 1 and the sealing door 11 provide a closed testing environment, the interference of external environmental factors to testing is reduced, and further the accuracy of thermal insulation performance testing is improved, an exhaust hood 32 connected with an exhaust fan 3 is installed in the detection box body 1, an output pipe 31 of the exhaust fan 3 is connected with a waste heat utilization box 4, the number of the exhaust hoods 32 is preferably 2, the number of the exhaust fans 3 is preferably 2, and the 2 exhaust hoods 32 are respectively arranged above and below the heating plate 2 to comprehensively suck hot air in the detection box body 1;

a press cover 5 located above the heating plate 2 and the press cover 5 is movable up and down by a lifting mechanism 6; specifically, the lifting mechanism 6 is a second electric telescopic rod 61, the top surface of the pressure cover 5 is fixedly connected with an output rod of the second electric telescopic rod 61, the second electric telescopic rod 61 is installed on the inner top wall of the detection box 1, a pressure sensor (not shown) is arranged on the bottom surface of the pressure cover 5, and the pressure sensor can detect whether the pressure cover 5 is covered on the insulation board or not;

a detection assembly 7 located within the pressure housing 5; the detection assembly 7 comprises a mounting seat 71 which can move relative to the pressure cover 5, the mounting seat 71 is fixedly provided with at least two probes 72, temperature sensors are arranged in the probes 72, and the probes 72 are distributed along the length direction of the heat insulation plate; specifically, the top of the mounting seat 71 is fixedly connected with an output rod of the first electric telescopic rod 73, the first electric telescopic rod 73 is mounted on the pressure cover 5, and the first electric telescopic rod 73 is controlled to drive the mounting seat 71 to move;

the device also comprises a push plate 8 which is positioned at the rear side of the detection box body 1; the push plate 8 moves in the front-rear direction of the detection box 1 through a driving mechanism 9.

Specifically, the electric heating wires in the heating plate 2 are electrified to generate heat to heat the heat-insulating plate, the detection assembly 7 is used for measuring the temperature of the surface of the heat-insulating plate, the mounting seat 71 can be arranged in a lifting manner along the height direction of the detection box body 1, so that the probe 72 can conveniently measure the temperature of the heat-insulating plates with different thicknesses, and the probe 72 and the pressure cover 5 do not interfere with each other in respective movement, so that the probe 72 is prevented from being damaged; the pressing cover 5 is used for pressing the heat-insulating plate on the heating plate 2 on one hand, so that the heat-insulating plate is in direct contact with the heating plate 2, the heating efficiency of the heating plate 2 on the heat-insulating plate is improved, the heat loss is reduced, the pressing cover 5 fixes the heat-insulating plate, so that the heat-insulating plate is in full contact with the heating plate 2, the heat-insulating plate is uniformly heated, the improvement of the test accuracy is facilitated, on the other hand, a relatively sealed temperature measuring space can be formed between the pressing cover 5 and the heat-insulating plate, the temperature measuring space is separated from the inner space of the detection box body 1, and the heat in the detection box body 1 is prevented from interfering the surface of the heat-insulating plate in the temperature measuring space, so that the test accuracy is influenced; meanwhile, the lifting mechanism 6 drives the press cover 5 to move up and down, so that the press cover 5 is suitable for heat insulation boards with different thicknesses, and the applicability of the testing device is enhanced; after the test is finished, the exhaust fan 3 is used for extracting hot air in the detection box body 1, so that the temperature inside the detection box body 1 is reduced, the test interval time is shortened, the test speed is accelerated, and the heat of the hot air extracted by the exhaust fan 3 is recycled through the waste heat utilization box 4, so that the waste heat is utilized, the energy consumption is reduced, and the purposes of energy conservation and environmental protection are realized; the push plate 8 is used for pushing the heat-insulating plate after the test is completed out of the detection box body 1, an operator does not need to touch the heat-insulating plate directly by hands, labor is saved, and test efficiency is improved.

Working principle: opening a sealing door 11, placing the thermal insulation board to be tested on a heating plate 2, closing the sealing door, controlling a second electric telescopic rod 61 to drive a pressing cover 5 to move downwards until the pressing cover 5 covers the upper surface of the thermal insulation board, controlling a first electric telescopic rod 73 to drive a mounting seat 71 to move downwards until a probe 72 contacts with the upper surface of the thermal insulation board, acquiring the temperature of the upper surface of the thermal insulation board through a temperature sensor of the probe 72, and then electrifying an electric heating wire of the heating plate 2 to generate heat to heat the lower surface of the thermal insulation board, wherein in the heating process, the temperature sensor can acquire the temperature change condition of the upper surface of the detected thermal insulation board, and the thermal insulation performance of the thermal insulation board can be reflected through the temperature measurement values before and after heating and the change rule of the values; after the test is finished, the first electric telescopic rod 73 is controlled to drive the mounting seat 71 to move upwards so that the probe 72 is separated from the heat insulation board, and the second electric telescopic rod 61 is controlled to drive the pressure cover 5 to move upwards so that the pressure cover 5 is released from fixing the heat insulation board; the exhaust fan 3 is started to pump out the hot air in the detection box body 1 to the waste heat recovery box 4, then the sealing door 11 is opened, and the driving mechanism 9 is controlled to drive the push plate 8 to move, so that the push plate 8 pushes the heat insulation plate out of the detection box body 1, and the test is completed.

In this example, the detection box 1 below the sealing door 11 is provided with a receiving table 12, the front side of the receiving table 12 is provided with an arc-shaped abdication port 121, the receiving table 12 can temporarily put the insulation board, the insulation board pushed out of the detection box 1 by the push plate 8 falls on the receiving table 12, the insulation board is prevented from falling on the ground, and the arrangement of the abdication port 121 is convenient for an operator to operate the testing device.

Further, the waste heat utilization tank 4 includes a tank body 42 with an exhaust port 421 at the top, the output pipe 31 is communicated with the bottom of the tank body 42, a water distribution plate 44 and a water collection plate 45 are installed in the tank body 42 from top to bottom, a plurality of evenly arranged water distribution pipes 46 are connected between the water distribution plate 44 and the water collection plate 45, vertical ventilation slots 47 are distributed over the water collection plate 45, a drainage plate 48 with an inverted funnel-shaped section is arranged on the side wall of the tank body 42, a water inlet pipe 441 is connected to the top of the water distribution plate 44, and a drain pipe 451 is connected to the bottom of the water collection plate 45. When the heat exchanger is used, an external water source enters the water distribution disc 44 through the water inlet pipe 441 and then evenly dispersed through the water distribution pipe 46, and finally flows into the water collection disc 45, in the process, hot gas enters the bottom of the box body 42 through the output pipe 31, part of the upward flowing hot gas directly flows into the water distribution pipe 46 through the ventilation groove 47 to be in contact with the water distribution pipe 46, so that heat is transferred to water in the water distribution pipe 46, and the other part of the upward flowing hot gas bypasses the water collection disc 45 and is blown to the water distribution pipe 46 again under the action of the drainage plate 48, so that the heat exchange efficiency is improved; the water distribution pipe 44 is arranged to distribute water flow so that the water flow uniformly and comprehensively absorbs heat of hot air, recycling of the heat of the hot air is achieved, and water with initial temperature after heat absorption is discharged through the water discharge pipe 451 for use.

In the above technical solution, the water distribution pipes 46 are bent, and the spoilers 49 are disposed between the outer walls of the water distribution pipes 46 in a surrounding manner, and the spoilers 49 between two adjacent water distribution pipes 46 are staggered in the height direction of the box 42, the water distribution pipes 46 are bent to prolong the flowing time of water flow in the water distribution pipes 46, and the spoilers 49 also spoil hot air so that the hot air continuously changes direction and is transversely blown to the water distribution pipes 46, thereby being beneficial to improving the heat exchange efficiency and improving the utilization rate of the heat of the hot air.

In another example, the driving mechanism 9 includes a threaded rod 91, a rotating rod 92 and a guiding rod 93, the threaded rod 91 is rotatably installed on an inner side wall of one side of the detection box 1 and extends along a front-rear side direction, the guiding rod 93 is fixed on an inner side wall of the other side of the detection box 1 and symmetrically distributed with the threaded rod 91, a moving seat 82 on one side of the push plate 8 is in threaded connection with the threaded rod 91, a guiding seat 83 on the other side of the push plate 8 is slidably inserted on the guiding rod 93, a smooth section 911 is provided at a front end of the threaded rod 91, a first bevel gear 912 is installed on the smooth section 911, one end of the rotating rod 92 extends into the detection box 1 to be connected with a second bevel gear 921, and the second bevel gear 921 is in meshed connection with the first bevel gear 912. Under the meshing cooperation of the bevel gear two 921 and the bevel gear one 912, the threaded rod 91 is driven to rotate by rotating the rotary rod 92, the moving seat 82 is driven to move by the rotating threaded rod 91, the moving seat 82 is driven to move outwards of the detection box body 1, and the sliding cooperation of the guide rod 93 and the guide seat 83 enables the movement of the push plate 8 to be more stable. Further, the other end of the rotating rod 92 is provided with a rotating handle 10, the rotating handle 10 is convenient for an operator to rotate the rotating rod 92, the movable seat 82 is in sliding fit with the inner side wall of the detection box body 1, the stability of the movement of the movable seat 82 is further enhanced, and therefore the movement of the push plate 8 is further stable.

Although embodiments of the present utility model have been disclosed in the foregoing description and illustrated in the drawings, it is not intended to be limited to the details and embodiments shown and described, but rather to be fully applicable to various fields of adaptation to the present utility model, and further modifications may be readily made by those skilled in the art without departing from the general concept defined by the claims and the equivalents thereof, and it is therefore apparent that the utility model is not limited to the specific details and illustrations shown and described herein, and that various changes and modifications may be made therein by those skilled in the art without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a heated board thermal insulation performance testing device which characterized in that includes:

the detection box body (1) is internally provided with a heating plate (2), and an electric heating wire is embedded in the heating plate (2); the front side of the detection box body (1) above the heating plate (2) is hinged with a sealing door (11), an exhaust hood (32) connected with an exhaust fan (3) is arranged in the detection box body (1), and an output pipe (31) of the exhaust fan (3) is connected with a waste heat utilization box (4);

the pressing cover (5) is positioned above the heating plate (2), and the pressing cover (5) can move up and down through the lifting mechanism (6);

a detection assembly (7) located within the pressure housing (5); the detection assembly (7) comprises a mounting seat (71) capable of moving relative to the pressure cover (5), at least two probes (72) are fixed on the mounting seat (71), temperature sensors are arranged in the probes (72), and the probes (72) are distributed along the length direction of the heat insulation plate;

the device also comprises a push plate (8) which is positioned at the rear side of the detection box body (1); the push plate (8) moves along the front-back side direction of the detection box body (1) through a driving mechanism (9).

2. The insulation board insulation performance testing device according to claim 1, wherein a receiving table (12) is arranged outside the detection box body (1) below the sealing door (11), and an arc-shaped abdication opening (121) is formed in the front side of the receiving table (12).

3. The insulation board insulation performance testing device according to claim 1, wherein the waste heat utilization box (4) comprises a box body (42) with an exhaust port (421) at the top, the output pipe (31) is communicated with the bottom of the box body (42), a water distribution plate (44) and a water collection plate (45) are installed in the box body (42) from top to bottom, a plurality of uniformly arranged water distribution pipes (46) are connected between the water distribution plate (44) and the water collection plate (45), vertical ventilation grooves (47) are distributed over the water collection plate (45), a drainage plate (48) with an inverted funnel-shaped section is arranged on the side wall of the box body (42), a water inlet pipe (441) is connected to the top of the water distribution plate (44), and a drain pipe (451) is connected to the bottom of the water collection plate (45).

4. The insulation board insulation performance testing device according to claim 3, wherein the water distribution pipes (46) are bent, spoilers (49) are arranged between the outer walls of the water distribution pipes (46) in a surrounding mode, and the spoilers (49) between two adjacent water distribution pipes (46) are distributed in a staggered mode in the height direction of the box body (42).

5. The insulation board insulation performance testing device according to claim 1, wherein the top of the mounting seat (71) is fixedly connected with an output rod of a first electric telescopic rod (73), and the first electric telescopic rod (73) is mounted on the pressure cover (5).

6. The insulation board insulation performance testing device according to claim 1, wherein the lifting mechanism (6) is a second electric telescopic rod (61), the top surface of the pressure cover (5) is fixedly connected with an output rod of the second electric telescopic rod (61), the second electric telescopic rod (61) is installed on the inner top wall of the detection box body (1), and a pressure sensor is arranged on the bottom surface of the pressure cover (5).

7. The insulation board insulation performance testing device according to claim 1, wherein the driving mechanism (9) comprises a threaded rod (91), a rotating rod (92) and a guide rod (93), the threaded rod (91) is rotatably installed on one side inner side wall of the detection box body (1) and extends along the front-back side direction, the guide rod (93) is fixed on the other side inner side wall of the detection box body (1) and symmetrically distributed with the threaded rod (91), a movable seat (82) on one side of the push plate (8) is in threaded connection with the threaded rod (91), a guide seat (83) on the other side of the push plate is slidably arranged on the guide rod (93), a smooth section (911) is arranged at the front end of the threaded rod (91), a bevel gear I (912) is installed on the smooth section (911), one end of the rotating rod (92) extends into the detection box body (1) to be connected with a bevel gear II (921), and the bevel gear II (921) is in meshed connection with the bevel gear I (921).

8. The insulation board insulation performance testing device according to claim 7, wherein a rotating handle (10) is arranged at the other end of the rotating rod (92), and the movable seat (82) is in sliding fit with the inner side wall of the detection box body (1).