CN212632722U - Comprehensive test box for thermal insulation material test - Google Patents

Abstract

The utility model relates to a comprehensive test box for thermal insulation material test, including the shaking table, set up the box on the shaking table, set up the vibration mesa on the shaking table, the vibration mesa stretches into in the box, set up humidification subassembly and cooling module in the box, set up fixed frock in the box, fixed frock divides into first cavity and second cavity and guarantees to seal between first cavity and the second cavity with the box inside, fixed frock is fixed in on the vibration mesa and along with the motion of vibration mesa, set up the test piece on fixed frock, the test piece is located the second cavity, set up heating element in the first cavity; through setting up fixed frock, simulation high temperature environment in first cavity, simulation low temperature, humidification environment in the second cavity simultaneously through shaking table simulation vibration environment, the fine synthetic environment that simulated out thermal insulation material in use faces more approaches in-service use, improves the accuracy of simulation, reduces simulation time and reduces the energy consumption simultaneously.

Description

Comprehensive test box for thermal insulation material test

Technical Field

The utility model belongs to the technical field of the combined test case and specifically relates to a combined test case for thermal insulation material is experimental.

Background

The test box is a general term of products in the environmental test industry, a natural climate environment is simulated in an effective space range, and a vibration environment is required to be added on some moving parts for testing, so that the test box can be combined with a vibration table to form a comprehensive test box.

When testing the heat insulating material of devices such as engine, blast pipe or other test pieces of laminating with it, need to be to low temperature, test under high temperature and the humidity environment, and at present when testing heat insulating material, be single environmental test usually, be single low temperature test promptly, single high temperature test and single humidity test, because engine, blast pipe are the motion in the use, its environment that faces is high temperature, low temperature, wetland and vibration are synthesized the environment, the event is single environmental test only, have certain gap with the in-service use, lead to the test effect unsatisfactory, can increase the energy consumption simultaneously.

Disclosure of Invention

The utility model aims to solve the technical problem that a comprehensive test case for thermal insulation material test that can simulate low temperature, high temperature, humidity and vibration together is provided, is close actual use environment more.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a combined test case for thermal insulation material is experimental, includes the shaking table, sets up the box on the shaking table on set up the vibration mesa, the vibration mesa stretch into in the box set up humidification subassembly and cooling module in the box set up a fixed frock in the box, fixed frock divide into first cavity and second cavity and guarantee to seal between first cavity and the second cavity with box inside, fixed frock be fixed in on the vibration mesa and along with the motion of vibration mesa fixed frock on set up the test piece, the test piece be located the second cavity first cavity in set up heating element.

Further specifically, fixed frock be cylindric, first cavity be located inside fixed frock, the second cavity be located outside fixed frock the box on set up the mounting hole, heating element stretch into to the first cavity through the mounting hole and fixed frock opening part pass through flexible seal and be connected, the testpieces set up the surface at fixed frock.

Further specifically, the mounting holes are two and are respectively located on two opposite side surfaces of the box body, and the two openings of the fixing tool correspond to the two mounting holes one by one respectively.

More specifically, the flexible sealing element is a metal corrugated pipe.

Further specifically, a thermal break bridge is arranged between the metal corrugated pipe and the fixing tool.

Further specifically, fixed frock be fixed in on the vibration mesa through the fixed bolster, the fixed bolster include the fixing base and set up the dead lever on the fixing base, the top of dead lever support fixed frock.

More specifically, a fixing frame for fixing the heating assembly is arranged outside the box body.

Further specifically, a circulating fan for circulating gas in the box body is arranged in the box body.

More specifically, the vibration table is a horizontal vibration table or a vertical vibration table.

The utility model has the advantages that: after adopting above-mentioned structure, through setting up a fixed frock, simulation high temperature environment in first cavity, simulation low temperature, humidification environment in the second cavity simultaneously through shaking table simulation vibration environment, the testpieces moves in these environment, and the fine synthetic environment that simulated out thermal insulation material in use faces is close to in-service use more, improves the accuracy of simulation, reduces simulation time and reduces the energy consumption simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic sectional view of the case of the present invention;

fig. 3 is a schematic cross-sectional structural view of the fixing tool of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

In the figure: 1. a vibration table; 2. a box body; 3. a cooling assembly; 4. fixing the tool; 5. mounting holes; 6. a heating assembly; 7. a metal bellows; 8. thermally breaking the bridge; 9. vibrating the table top; 10. a fixed frame; 11. a track; 12. and fixing the bracket.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-3, the comprehensive test box for thermal insulation material test comprises a vibration table 1, a box body 2 arranged on the vibration table 1, a vibration table top 9 arranged on the vibration table 1, the vibration table top 9 extending into the box body 2, a humidifying component and a cooling component 3 arranged in the box body 2, the box body 2 fixedly connected with the cylinder body of the vibration table 1, the vibration table top 9 fixedly connected with a moving coil in the vibration table 1, and a flexible sealing component sealing between the vibration table top 9 and the box body 2 to ensure the isolation of the internal environment of the box body 2 from the external environment, the structure integrates the simulation of low temperature, humidification and vibration comprehensive environment, because the scheme is the simulation of thermal insulation material, one surface of which faces outwards, the environment facing low temperature and humidity, and the other surface of which faces inwards high temperature in the actual working process, the whole heat insulation material is in a vibration environment; the event is in box 2 in set up a fixed frock 4, fixed frock 4 divide into first cavity and second cavity and guarantee to seal between first cavity and the second cavity with box 3 inside, fixed frock 4 be fixed in on vibration mesa 9 and along with vibration mesa 9 motion fixed frock 4 on set up the test piece, the test piece be located the second cavity first cavity in set up heating element 6, the test piece is attached on fixed frock 4, through fixed frock 4 with heat transfer to the heating surface of test piece after heating by heating element 6 in first cavity, the another side of test piece is towards the environment in the second cavity.

Based on the structure, in order to improve the heating efficiency, as shown in fig. 4, the fixing tool 4 is cylindrical, the first cavity is located inside the fixing tool 4, the second cavity is located outside the fixing tool 4, the box body 2 is provided with the mounting hole 5, the heating assembly 6 extends into the first cavity through the mounting hole 5, the mounting hole 5 is connected with an opening of the fixing tool 4 through a flexible sealing element, the test piece is arranged on the outer surface of the fixing tool 4, and the cylindrical fixing tool 4 is adopted to reduce the volume of the first cavity, so that the heating volume is reduced and the high-temperature is better controlled; the mounting holes 5 are designed as required, and if the fixing tool 4 is provided with an opening at one end, the mounting holes 5 are only required to be designed on one surface of the box body 2; and select to be located and set up mounting hole 5 on two relative sides of box 2 in this scheme, and the equal opening in both ends of fixed frock 4 and with two mounting hole 5 one-to-one installation, heating element 6 sets up in first cavity and stretches out to the box 2 outside through the opening at fixed frock 4 both ends, sets up a fixed frame 10 at the outside subaerial of box 2, and heating element 6 is fixed in on the fixed frame 10.

Foretell flexible sealing member adopts corrugated metal pipe 7, because corrugated metal pipe 7 characteristic itself, can take place the dislocation and not influence its sealing performance, when fixed frock 4 up-and-down motion, can not pass this motion to box 2 on, can also guarantee sealed effect simultaneously, sets up thermal bridge cut-off 8 between corrugated metal pipe 7 and fixed frock 4 for block the heat pass to box 2 through corrugated metal pipe 7 on.

The fixed tool 4 and the vibration table top 9 are fixed through a fixed support 12, the fixed support 12 comprises a fixed seat and a fixed rod arranged on the fixed seat, and the top of the fixed rod supports the fixed tool 4; set up the fixed orifices on the fixing base, the fixed orifices is fixed through the bolt with vibration mesa 9, and the convenience is dismantled it, adopts the welded mode fixed between dead lever and the fixing base, and the top of dead lever can lug weld on fixed frock 4, also can weld on hot bridge cut-off 8, and when the welding was on hot bridge cut-off 8, the heat can not pass to vibration mesa 9 through fixed bolster 12 on.

The cooling component 3, the humidifying component and the box body 2 are designed into a whole, two rails 11 are arranged on the ground, the bottom of the cooling component 3 is arranged on the rails 11 and can move along with the rails 11, the vibration table 1 can be conveniently replaced, the vibration table 1 can be a horizontal vibration table or a vertical vibration table, and the selection can be carried out according to the specific vibration environment met by a test piece; simultaneously, in order to simulate the air current environment of engine in the use, set up the circulating fan who is used for simulating the air current environment in box 2, circulating fan sets up in the second cavity, and circulating fan blows the gas in box 2 to the test piece, not only can simulate the air current environment, can give the test piece surface cooling moreover.

To sum up, the environment in the box 2 is divided into a first cavity and a second cavity through the design of the fixed tool 4, different environments are simulated in the first cavity and the second cavity to test the test piece, the fixed tool 4 is driven to vibrate together through the vibration table 1, the comprehensive test of various environments is realized, the test is closer to the actual use condition, the test accuracy is improved, the multiple environments are simulated and tested together, the single simulation is not adopted any more, the test time is shortened, and the energy consumption is saved.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims (9)

1. A comprehensive test box for a heat insulation material test comprises a vibration table (1) and a box body (2) arranged on the vibration table (1), a vibration table top (9) is arranged on the vibration table (1), the vibration table top (9) extends into the box body (2), a humidifying component and a cooling component (3) are arranged in the box body (2), it is characterized in that a fixed tool (4) is arranged in the box body (2), the fixed tool (4) divides the interior of the box body (2) into a first cavity and a second cavity and ensures the sealing between the first cavity and the second cavity, the fixed tool (4) is fixed on the vibration table top (9) and moves along with the vibration table top (9), the fixed tool (4) is provided with a test piece, the test piece is positioned in the second cavity, and the first cavity is internally provided with a heating component (6).

2. The comprehensive test box for the thermal insulation material test according to claim 1, wherein the fixing tool (4) is cylindrical, the first cavity is located inside the fixing tool (4), the second cavity is located outside the fixing tool (4), a mounting hole (5) is formed in the box body (2), the heating assembly (6) extends into the first cavity through the mounting hole (5), the mounting hole (5) is connected with an opening of the fixing tool (4) through a flexible sealing element, and the test piece is arranged on the outer surface of the fixing tool (4).

3. The comprehensive test box for the thermal insulation material test according to claim 2, wherein two of the mounting holes (5) are respectively located on two opposite side surfaces of the box body (2), and two openings of the fixing tool (4) are respectively corresponding to the two mounting holes (5) one by one.

4. A test chamber as claimed in claim 2 or 3, characterized in that the flexible seal is a metal bellows (7).

5. The comprehensive test chamber for the thermal insulation material test according to claim 4, wherein a thermal break bridge (8) is arranged between the metal corrugated pipe (7) and the fixed tool (4).

6. The comprehensive test box for the thermal insulation material test according to claim 1, wherein the fixing tool (4) is fixed on the vibration table (9) through a fixing bracket (12), the fixing bracket (12) comprises a fixing seat and a fixing rod arranged on the fixing seat, and the top of the fixing rod supports the fixing tool (4).

7. The composite test chamber for testing an insulation material according to claim 1, wherein a fixing frame (10) for fixing the heating module (6) is provided outside the chamber body (2).

8. The comprehensive test chamber for testing heat insulating materials according to claim 1, wherein a circulating fan for circulating gas in the chamber is provided in the chamber body (2).

9. The integrated test chamber for testing heat insulating materials according to claim 1, wherein the vibration table (1) is a horizontal vibration table or a vertical vibration table.

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