CN221926192U

CN221926192U - Comprehensive heat insulation test device for reducing influence of smoke dust

Info

Publication number: CN221926192U
Application number: CN202420075433.2U
Authority: CN
Inventors: 朱露; 黄�俊; 赵金峰
Original assignee: HUBEI FEILIHUA QUARTZ GLASS CO Ltd
Current assignee: HUBEI FEILIHUA QUARTZ GLASS CO Ltd
Priority date: 2024-01-12
Filing date: 2024-01-12
Publication date: 2024-10-29
Anticipated expiration: 2034-01-12

Abstract

The utility model relates to a test device, in particular to a comprehensive heat insulation test device for reducing the influence of smoke dust. The test device comprises a fixed platform, wherein a test piece mounting platform, a quartz lamp module and a quartz lamp reflecting plate are arranged above the fixed platform; a test piece mounting window is arranged on the test piece mounting platform; the bottom of the test piece mounting platform is provided with a gas blowing pipe, gas blowing holes are uniformly distributed on the gas blowing pipe, and the angles of the gas blowing holes on two sides of the test piece mounting window are symmetrical. The test device can wrap the smoke dust to move outwards, so that the smoke dust is prevented from being gathered on the surfaces of the test piece and the quartz lamp, the influence of the smoke dust is effectively reduced, and the reliability is improved; avoiding the explosion of the quartz lamp. The quartz lamp can be blocked from radiating to the back of the test piece, and the accuracy of the test result is ensured. The problem that smoke dust generated in the test process of the existing test device easily affects heat transfer and the test reliability is poor is solved.

Description

Comprehensive heat insulation test device for reducing influence of smoke dust

Technical Field

The utility model relates to a test device, in particular to a comprehensive heat insulation test device for reducing the influence of smoke dust.

Background

The comprehensive heat insulation test is to heat one side of the test piece, measure the temperature value of the other side of the test piece, and overall evaluate the heat insulation performance of the test piece through numerical feedback. In the thermal environment test, a plurality of quartz lamps are generally used for forming a quartz lamp array for heating, and the output power of the formed quartz lamp array in a unit area determines the maximum heat flow value output by the thermal environment test.

In the conventional test of the heat insulation performance of the material, a large amount of smoke dust is generated when the quartz lamp heats a test piece, and the smoke dust is attached to the surface of the quartz lamp, so that the surface of the quartz lamp cannot effectively dissipate heat to cause bursting. In addition, the heat insulation treatment of the quartz lamp heat radiation is insufficient, the front heating and the back temperature measurement are directly adopted in general cases, when the quartz lamp heats a test piece, the heat of the quartz lamp can be transmitted to the back of the test piece through a medium, and the test result of the simulated real scene is greatly influenced. In addition, the smoke dust generated in the test process causes uneven heat radiation to the test piece, and the temperature feedback of the temperature measuring system delays local temperature to be too high and even causes damage to the temperature measuring module, so that the acquisition of temperature signals is affected; the smoke dust generated in the test process causes the heat radiation to be uneven, meanwhile, the test piece generates chemical combustion or generates toxic and harmful smoke dust due to high temperature, uneven physical partition is formed on heat flow, uneven temperature change is caused by uneven heat flow received by the test piece, and even the temperature rising rate is obviously delayed compared with the expected temperature rising rate, so that the test reliability is deteriorated.

Therefore, it is necessary to design a comprehensive heat insulation test device for reducing the influence of smoke dust so as to solve the problems.

Disclosure of Invention

The utility model aims at: aiming at the defects of the prior art, the comprehensive heat insulation test device for reducing the influence of smoke dust, which can effectively reduce the influence of smoke dust, has uniform heat transfer and can effectively improve the reliability, is provided.

The technical scheme of the utility model is as follows:

The utility model provides a reduce comprehensive heat insulation test device that smoke and dust influences, it comprises fixed platform, test piece mounting platform, quartz lamp module and quartz lamp reflecting plate, its characterized in that: a test piece mounting platform, a quartz lamp module and a quartz lamp reflecting plate are sequentially arranged above the fixed platform at intervals from top to bottom; a test piece mounting window is arranged in the middle of the test piece mounting platform; the bottom of test piece mounting platform is provided with the intake pipe, and the interval is provided with many gas blow pipes side by side in the intake pipe, and the equipartition has the gas blow hole on the gas blow pipe, and the gas blow hole is personally submitted the slope for the level and is set up, and the gas blow hole of test piece mounting window one side is opposite with the slope direction of the gas blow hole of test piece mounting window opposite side.

The test piece mounting platform consists of a heat insulation box body, an upper water inlet pipe and an upper water outlet pipe, wherein a plurality of groups of upper water inlet pipes and upper water outlet pipes are arranged on the heat insulation box body in pairs; the heat insulation box body is movably connected with the fixed platform through a sliding rail.

A plurality of upper baffle plates are arranged in the heat insulation box body between each group of upper water inlet pipes and each group of upper water outlet pipes in a staggered manner; an upper partition plate is arranged in the heat insulation box body between the two adjacent groups of upper water inlet pipes and the upper water outlet pipes.

The quartz lamp module consists of a plurality of quartz lamps, an assembly seat, electrodes and cooling modules which are arranged in parallel, wherein the two ends of each quartz lamp are respectively provided with the assembly seat, the outer side of each assembly seat is connected with the electrode, the cooling modules are arranged between the electrodes and the assembly seats, the cooling modules are provided with cooling liquid flow channels, one ends of the cooling liquid flow channels are connected with a middle water inlet pipe, and the other ends of the cooling liquid flow channels are connected with middle water outlet pipes; the electrode outside be provided with the backup pad side by side, the backup pad passes through insulator and is connected with cooling module fixed respectively.

The bottom of the quartz lamp reflecting plate is provided with a cooling box body, and the quartz lamp reflecting plate is connected with the cooling box body in a sealing way; a plurality of groups of lower water inlet pipes and lower water outlet pipes are arranged on the cooling box body in pairs; the cooling box body is fixedly connected with the supporting plate through the supporting plate.

A plurality of lower baffle plates are arranged in the cooling box body between each group of lower water inlet pipes and lower water outlet pipes in a staggered manner; a bottom separation plate is arranged in the cooling box body between the two adjacent groups of lower water inlet pipes and the lower water outlet pipes.

The utility model has the beneficial effects that:

The comprehensive heat insulation test device for reducing the influence of the smoke dust is wrapped by the discharged air flow to enable the smoke dust to move outwards, so that the smoke dust is prevented from being gathered on the surfaces of the test piece and the quartz lamp, the influence of the smoke dust is effectively reduced, the quartz lamp can uniformly heat the test piece, and the reliability is effectively improved; at the same time, smoke dust is prevented from adhering to the quartz lamp the surface causes thermal explosion of the quartz lamp. The water cooling is added on the periphery of the test piece through the heat insulation box body, heat is taken away through a circulating cooling mode, the way that the quartz lamp radiates to the back of the test piece is blocked, and the accuracy of a test result is ensured. The quartz lamp modules are formed by connecting the quartz lamps in parallel, different power densities can be adjusted according to different test scenes, so that the adjustable wide heating capacity can be obtained, the quartz lamp module can be widely applied to test scenes with different requirements on thermal values, and the general purpose is achieved. The problem that smoke dust generated in the test process of the existing test device easily affects heat transfer and the test reliability is poor is solved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the test piece mounting platform of the present utility model;

FIG. 3 is a schematic bottom view of the test piece mounting platform of the present utility model;

FIG. 4 is a schematic view of the structure in the direction A-A in FIG. 3;

FIG. 5 is an enlarged schematic view at B in FIG. 4;

FIG. 6 is a schematic representation of the distribution of baffles in the present utility model;

FIG. 7 is a schematic diagram of a quartz lamp module according to the present utility model;

FIG. 8 is a schematic top view of a quartz lamp module of the present utility model;

FIG. 9 is a schematic view of the structure shown in FIG. 8C-C;

FIG. 10 is a schematic view of the structure of a reflector plate of the quartz lamp of the present utility model;

FIG. 11 is a schematic view of the distribution of the lower baffle of the present utility model.

In the figure: 1. the device comprises a fixed platform, 2, a quartz lamp reflecting plate, 3, a test piece mounting window, 4, an air inlet pipe, 5, an air blowing pipe, 6, an air blowing hole, 7, a heat insulation box body, 8, an upper water inlet pipe, 9, an upper water outlet pipe, 10, a sliding rail, 11, an upper baffle plate, 12, an upper partition plate, 13, a quartz lamp, 14, an assembly seat, 15, an electrode, 16, a cooling module, 17, a cooling liquid flow passage, 18, a middle water inlet pipe, 19, a middle water outlet pipe, 20, a supporting plate, 21, an insulator, 22, a cooling box body, 23, a lower water inlet pipe, 24, a lower water outlet pipe, 25, a supporting plate, 26, a lower baffle plate, 27 and a lower partition plate.

Detailed Description

The comprehensive heat insulation test device for reducing the influence of smoke dust comprises a fixed platform 1, a test piece mounting platform, a quartz lamp module and a quartz lamp reflecting plate 2, wherein the test piece mounting platform, the quartz lamp module and the quartz lamp reflecting plate 2 are sequentially arranged above the fixed platform 1 from top to bottom at intervals. The test piece mounting platform is used for mounting and fixing a test piece and fixing the test piece above the middle of the quartz lamp module. The quartz lamp module is used for heating one end face of the test piece through heat radiation of the quartz lamp module, so that the heat insulation test is carried out through temperature measurement of the other end face of the test piece. The quartz lamp reflecting plate 2 is used for reflecting the heat radiation generated by the quartz lamp module, and the heat radiation transmitted downwards is changed into upward transmission through the reflection of the quartz lamp reflecting plate 2, so that the energy utilization rate of the quartz lamp module is improved, the energy loss is reduced, and the aim of saving energy is achieved. The middle part of test piece mounting platform is provided with test piece mounting window 3, and its purpose is through test piece mounting window 3 installation test piece, makes the heat radiation energy of quartz lamp module pass through test piece mounting window 3 transfer to on the test piece, heats the bottom terminal surface of test piece to test piece's thermal-insulated performance carries out the test. The test piece mounting platform around the test piece mounting window can insulate against heat, blocks heat radiation generated by the quartz lamp module and transfers to the back of the test piece from the periphery of the test piece, so that heat can only be transferred to the back of the test piece by the heating surface of the test piece, and the accuracy of a heat insulation test result is ensured.

The bottom of the test piece mounting platform is provided with an air inlet pipe 4, and the air inlet pipe 4 is connected with an air source; a plurality of air blowing pipes 5 are arranged on the air inlet pipe 4 at intervals in parallel, air blowing holes 6 are uniformly distributed on the air blowing pipes 5, the air blowing holes 6 are obliquely arranged relative to the horizontal plane, and the air blowing holes 6 on one side of the test piece mounting window 3 are opposite to the air blowing holes 6 on the other side of the test piece mounting window 3 in the oblique direction. The purpose of the device is to blow outwards from two sides of a test piece mounting window 3 through an air inlet pipe, an air blowing pipe 5 and an air blowing hole 6 in sequence, according to Bernoulli principle, the relation between speed and air pressure is that in the blowing process, air enters the test piece mounting window 3 from a central axis, then the air blown out along with the air blowing hole from two sides at the test piece mounting window 3 moves outwards together, and the air is wrapped and clamped with dust generated by heating the test piece to move outwards when passing through the test piece mounting window 3, so that the dust is discharged outwards from the test piece mounting window 3, the dust is not easy to gather at the bottom of the test piece, heat transfer is guaranteed, and the influence of the dust on a test is reduced; meanwhile, dust is not easy to gather on the quartz lamp module, and the quartz lamp module is protected.

The test piece mounting platform consists of a heat insulation box body 7, an upper water inlet pipe 8 and an upper water outlet pipe 9, wherein a plurality of groups of upper water inlet pipes 8 and upper water outlet pipes 9 are arranged on the heat insulation box body 7 in pairs; the heat insulation box body 7 is movably connected with the fixed platform 1 through a sliding rail 10. The upper water inlet pipe 8 and the upper water outlet pipe 9 are respectively communicated with a water source, and the cooling medium flows in the heat insulation box body 7 through the upper water inlet pipe 8 and the upper water outlet pipe 9, so that the temperature of the heat insulation box body 7 is reduced through the flowing cooling medium, the heat generated by the quartz lamp module is prevented from being continuously transmitted to the back of a test piece upwards through the heat insulation box body 7, and the accuracy of a test result is ensured; meanwhile, the test piece mounting platform is protected, and burning loss of the test piece mounting platform at high temperature is avoided. The purpose of setting up inlet tube 8 and last drain pipe 9 on the multiunit is through increasing the mode of increasing import and export on the heat-insulating box 7 for cooling medium's circulation to reinforcing heat exchange efficiency guarantees the cooling effect.

A plurality of upper baffle plates 11 are arranged in the heat insulation box body 7 between each group of upper water inlet pipes 8 and the upper water outlet pipes 9 in a staggered manner, so that the flow direction of the cooling medium is controlled through the upper baffle plates 11, the cooling medium can be ensured to cool everywhere, and the burning loss caused by local overheating is avoided. An upper partition plate 12 is arranged in the heat insulation box body 7 between the upper water inlet pipes 8 and the upper water outlet pipes 9 of two adjacent groups, so that the heat insulation box body 7 is divided by the partition plate 12, cooling mediums between the upper water inlet pipes 8 and the upper water outlet pipes 9 of each group are independent, the cooling mediums are ensured to flow uniformly, and local overheating caused by mutual influence is avoided.

The quartz lamp module is composed of a plurality of quartz lamps 13, an assembly seat 14, electrodes 15 and a cooling module 16 which are arranged in parallel, wherein the assembly seat 14 is respectively arranged at two ends of the quartz lamps 13, and the quartz lamps 13 are used for generating strong heat through filaments of the quartz lamps 13 under the condition of electrifying so as to heat a test piece. The electrode 15 is connected to the outside of the assembly seat 14, the cooling module 16 is arranged between the electrode 15 and the assembly seat 14, the cooling module 16 is provided with the cooling liquid flow channel 17, one end of the cooling liquid flow channel 17 is connected with the middle water inlet pipe 18, the other end of the cooling liquid flow channel 17 is connected with the middle water outlet pipe 19, the middle water inlet pipe 18 and the middle water outlet pipe 19 are respectively communicated with a water source, the cooling module 16 is cooled through cooling mediums flowing in the middle water inlet pipe 18, the cooling liquid flow channel 17 and the middle water outlet pipe 19, the electrode 15 and the assembly seat 14 are further cooled, the electrode 15, the assembly seat 14 and the quartz lamp 13 are prevented from being overheated, and burning loss is avoided. The outside of the electrode 15 is provided with a support plate 20 in parallel, and the support plate 20 is fixedly connected with the cooling module 16 through insulators 21 respectively.

The bottom of the quartz lamp reflecting plate 2 is provided with a cooling box body 22, and the quartz lamp reflecting plate 2 is connected with the cooling box body 22 in a sealing way; a plurality of groups of lower water inlet pipes 23 and lower water outlet pipes 24 are arranged on the cooling box body 22 in pairs; the cooling box 22 is fixedly connected with the support plate 20 through a support plate 25. A plurality of lower baffle plates 26 are arranged in the cooling box body 22 between each group of lower water inlet pipes 23 and lower water outlet pipes 24 in a staggered way; a bottom partition plate 27 is provided in the cooling box 22 between the adjacent two sets of the lower water inlet pipe 23 and the lower water outlet pipe 24. The lower water inlet pipe 23 and the lower water outlet pipe 24 are respectively communicated with a water source, and the cooling medium can circulate in the cooling box body 22 through the lower water inlet pipe 23 and the lower water outlet pipe 24, so that the quartz lamp reflecting plate 2 is cooled, and burning loss caused by overheating of the quartz lamp reflecting plate 2 is avoided.

When the comprehensive heat insulation test device for reducing the influence of smoke dust is used for testing, a test piece is mounted on the test piece mounting window 3 from the top of the heat insulation box body 7. The upper water inlet pipe 8, the upper water outlet pipe 9, the middle water inlet pipe 18, the middle water outlet pipe 19, the lower water inlet pipe 23 and the lower water outlet pipe 24 are opened to allow the cooling medium to flow in the heat insulation box handle 7, the cooling module 16 and the cooling box body 22, respectively. After the cooling medium starts flowing, the motor 15 and the assembly seat 14 are sequentially used for energizing each quartz lamp 13, and heat is transferred to the test piece through the quartz lamps 13 to heat the bottom of the quartz lamps 13. After the quartz lamp 13 is started, ventilation is carried out to the air inlet pipe 4, air is blown outwards sequentially through the air inlet pipe 4, the air blowing pipe 5 and the air blowing hole 6, air wrapping the bottom of the test piece moves outwards, and when smoke dust is generated at the bottom of the test piece due to heating, the smoke dust wrapping the bottom of the test piece moves outwards. And measuring the temperature of the designated positions of the two end faces of the test piece in the heating process of the test piece, and calculating the heat insulation performance parameters of the test piece through temperature change.

The comprehensive heat insulation test device for reducing the influence of the smoke dust is wrapped by the discharged air flow to enable the smoke dust to move outwards, so that the smoke dust is prevented from being gathered on the surfaces of the test piece and the quartz lamp 13, the influence of the smoke dust is effectively reduced, the quartz lamp 13 can uniformly heat the test piece, and the reliability is effectively improved; at the same time, the smoke dust is prevented from adhering to the quartz lamp 13 surface causes thermal explosion of the quartz lamp. The water cooling is added on the periphery of the test piece through the heat insulation box body 7, heat is taken away through a circulating cooling mode, the way that the quartz lamp 13 radiates to the back of the test piece is blocked, and the accuracy of a test result is ensured. The quartz lamp modules are formed by connecting the plurality of quartz lamps 13 in parallel, so that different power densities can be adjusted according to different test scenes, the adjustable wide heating capacity can be obtained, the device can be widely applied to test scenes with different requirements on thermal values, and the general purpose is achieved. The problem that smoke dust generated in the test process of the existing test device easily affects heat transfer and the test reliability is poor is solved.

Claims

1. The utility model provides a reduce comprehensive heat-insulating test device that smoke and dust influences, it comprises fixed platform (1), test piece mounting platform, quartz lamp module and quartz lamp reflecting plate (2), its characterized in that: a test piece mounting platform, a quartz lamp module and a quartz lamp reflecting plate (2) are sequentially arranged above the fixed platform (1) at intervals from top to bottom; a test piece mounting window (3) is arranged in the middle of the test piece mounting platform; the bottom of test piece mounting platform is provided with intake pipe (4), and the interval is provided with many gas blow pipes (5) side by side on intake pipe (4), and the equipartition has gas blow hole (6) on gas blow pipe (5), and gas blow hole (6) are personally submitted the slope for the level and are set up, and gas blow hole (6) of test piece mounting window (3) one side are opposite with the slope direction of gas blow hole (6) of test piece mounting window (3) opposite side.

2. The comprehensive thermal insulation test device for reducing the influence of smoke dust according to claim 1, wherein: the test piece mounting platform consists of a heat insulation box body (7), an upper water inlet pipe (8) and an upper water outlet pipe (9), wherein a plurality of groups of upper water inlet pipes (8) and upper water outlet pipes (9) are arranged on the heat insulation box body (7) in pairs; the heat insulation box body (7) is movably connected with the fixed platform (1) through a sliding rail (10).

3. The comprehensive thermal insulation test device for reducing the influence of smoke dust according to claim 2, wherein: a plurality of upper baffle plates (11) are arranged in the heat insulation box body (7) between each group of upper water inlet pipes (8) and the upper water outlet pipes (9) in a staggered manner; an upper partition plate (12) is arranged in the heat insulation box body (7) between the two adjacent groups of upper water inlet pipes (8) and the upper water outlet pipes (9).

4. The comprehensive thermal insulation test device for reducing the influence of smoke dust according to claim 1, wherein: the quartz lamp module is composed of a plurality of quartz lamps (13), assembly seats (14), electrodes (15) and cooling modules (16) which are arranged in parallel, wherein the assembly seats (14) are respectively arranged at two ends of each quartz lamp (13), the electrodes (15) are connected to the outer sides of the assembly seats (14), the cooling modules (16) are arranged between the electrodes (15) and the assembly seats (14), cooling liquid flow channels (17) are arranged on the cooling modules (16), one ends of the cooling liquid flow channels (17) are connected with middle water inlet pipes (18), and the other ends of the cooling liquid flow channels (17) are connected with middle water drainage pipes (19); the outside of the electrode (15) is provided with a supporting plate (20) in parallel, and the supporting plate (20) is fixedly connected with the cooling module (16) through insulators (21) respectively.

5. The comprehensive thermal insulation test device for reducing the influence of smoke according to claim 4, wherein: the bottom of the quartz lamp reflecting plate (2) is provided with a cooling box body (22), and the quartz lamp reflecting plate (2) is connected with the cooling box body (22) in a sealing way; a plurality of groups of lower water inlet pipes (23) and lower water outlet pipes (24) are arranged on the cooling box body (22) in pairs; the cooling box body (22) is fixedly connected with the supporting plate (20) through the supporting plate (25).

6. The comprehensive thermal insulation test device for reducing the influence of smoke according to claim 5, wherein: a plurality of lower baffle plates (26) are arranged in the cooling box body (22) between each group of lower water inlet pipes (23) and the lower water outlet pipes (24) in a staggered way; a bottom division plate (27) is arranged in the cooling box body (22) between the two adjacent groups of lower water inlet pipes (23) and the lower water outlet pipes (24).