CN213122186U

CN213122186U - Heat flow cover for high-low temperature impact test experimental equipment

Info

Publication number: CN213122186U
Application number: CN202021914262.6U
Authority: CN
Inventors: 余双林
Original assignee: Jiangsu Tianyi Ruihe Instrument Equipment Co ltd
Current assignee: Jiangsu Tianyi Ruihe Instrument Equipment Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-04
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a heat flow cover for high low temperature impact test experimental facilities, the heat flow cover includes heat flow cover inner chamber and forms the heat flow cover wall of heat flow cover inner chamber, heat flow cover wall upper plate has the heat flow cover saturation balanced mouth of giving vent to anger that does not communicate with gaseous insulating layer, the export of heat flow cover saturation balanced mouth of giving vent to anger leads to external environment, the heat flow cover wall outside is equipped with gaseous insulating layer, gaseous insulating layer includes gaseous insulating layer and side gaseous insulating layer, upper gaseous insulating layer is associative with the second gas circuit of installing at high low temperature impact test experimental facilities, upper gaseous insulating layer and side gaseous insulating layer UNICOM, upper gaseous insulating layer upper plate has a plurality of micro-ventholes, side gaseous insulating layer lower part has air outlet channel, side gaseous insulating layer is transparent structure; the utility model discloses make the internal environment more stable, the gaseous insulating layer in the outside can be so that the air current of insulating layer is stable because porous design, has further guaranteed the stability of internal atmosphere environment to can promote the test performance of whole equipment.

Description

Heat flow cover for high-low temperature impact test experimental equipment

Technical Field

The utility model belongs to the quality detection field relates to a product reliability analytical equipment, especially a heat flow cover for high low temperature impact test experimental facilities.

Background

In order to ensure the reliability and the service life of the semiconductor element, the semiconductor element needs to be subjected to high-speed high-low temperature impact test after being produced, and the test equipment adopted is a high-low temperature test chamber and a thermal shock test chamber. When high and low temperature tests are carried out, the sample is placed in a closed test box, and the performance of the sample is tested by heating through an electric heater or refrigerating through a refrigerating compressor unit. When the thermal shock test is carried out, the sample needs to be switched between a high-temperature environment and a low-temperature environment to test the performance of the sample. The thermal shock test box has two common structural forms, one is a hanging basket type and comprises a high-temperature box and a low-temperature box, a test sample is placed in the hanging basket, and the hanging basket moves back and forth in the high-temperature box and the low-temperature box to stay. The other is an air passage type impact box, the equipment is provided with three box bodies, a high-temperature box, a low-temperature box and a sample box are connected through air passages, and the sample is alternately communicated with the high-temperature box and the low-temperature box through the air passages.

The prior art does not have corresponding convenient to use and can conveniently observe the sample chamber of operation, simultaneously, because traditional art is direct and external contact for the thermal current cover for the influence of environment to the thermal current cover becomes an unstable factor, consequently needs design corresponding thermal current cover.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to overcome at least one of the above-mentioned deficiencies in the prior art. The utility model provides a thermal current cover for high low temperature impact test experimental facilities.

The heat flow cover for the high-low temperature impact test experimental equipment comprises a first air path arranged on the high-low temperature impact test experimental equipment; the heating device is installed on the first gas path, the heat flow cover is installed at the output end of the heating device, the heat flow cover comprises a heat flow cover inner cavity and a heat flow cover wall forming the heat flow cover inner cavity, the upper plate of the heat flow cover wall is provided with a heat flow cover saturated air outlet balance port which is not communicated with the gas isolation layer, the outlet of the heat flow cover saturated air outlet balance port is communicated with the external environment, the outer side of the heat flow cover wall is provided with a gas isolation layer, the gas isolation layer comprises an upper gas isolation layer and a side gas isolation layer, the upper gas isolation layer is connected with a second gas path installed on high-low temperature impact test experimental equipment, the upper gas isolation layer is communicated with the side gas isolation layer, the upper plate of the upper gas isolation layer is provided with a plurality of micro air outlet holes, the lower part of the side gas isolation layer is provided with.

According to the prior art in the background of the patent, the prior art does not have a corresponding sample cavity which is convenient to use and can be conveniently observed and operated, and the internal temperature is unstable due to the unstable condition of internal airflow, and meanwhile, the conventional heat flow cover is easy to freeze; and the utility model discloses a thermal current cover for high low temperature impact test experimental facilities can make the internal environment more stable, and the gaseous isolated layer in the outside can make the air current of isolated layer stable because porous design, has further guaranteed the stability of inside atmosphere environment to can promote the test performance of whole equipment, have this novel design's thermal current cover simultaneously, then stopped the icing phenomenon.

In addition, according to the utility model discloses a thermal current cover for high low temperature impact test experimental facilities still has following additional technical characterstic:

further, the diameter of the micro-pores is between 5 and 20mm, both sides including 5mm and 20 mm.

Further, the micropores are uniformly distributed.

Furthermore, the saturated air outlet balance port is arranged on the upper wall of the inner cavity and extends out of the side wall of the upper gas isolation layer through the upper gas isolation layer to be communicated with the outside.

Further, the lower edge of the side gas isolation layer is provided with a gas outlet channel.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of an embodiment of the present invention;

in fig. 1, a first gas path 5; second gas circuit 6, little venthole 61, go up gaseous isolated layer 62, thermal current cover inner chamber 63, side gaseous isolated layer 64, the balanced mouth 65 of saturation air outlet, air outlet channel 66, heating device 9, thermal current cover A, thermal current cover wall B, experiment platform D.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "lateral", "vertical", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "coupled," "communicating," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly connected, integrally connected, or detachably connected; may be communication within two elements; can be directly connected or indirectly connected through an intermediate medium; the term "fit" can be a surface-to-surface fit, a point-to-surface or a line-to-surface fit, and also includes a hole-axis fit, and a person skilled in the art can understand the specific meaning of the above terms in the present invention in specific situations.

As shown in fig. 1, according to an embodiment of the present invention, a heat flux shield for high and low temperature impact testing experimental equipment includes a first gas circuit 5 installed in the high and low temperature impact testing experimental equipment; install heating device 9 on first gas circuit 5, heat exchanger A is installed to heating device 9 output, heat exchanger A includes heat exchanger inner chamber 63 and the heat exchanger wall B who forms heat exchanger inner chamber 63, heat exchanger wall B upper plate has not with the communicating heat exchanger saturation balanced mouth 65 of giving vent to anger of gaseous insulating layer, the export of heat exchanger saturation balanced mouth 65 of giving vent to anger leads to the external environment, heat exchanger wall B outside is equipped with gaseous insulating layer, gaseous insulating layer includes gaseous insulating layer 62 and side gaseous insulating layer 64, it is associative with the second gas circuit 6 of installing at high low temperature impact test experimental apparatus to go up gaseous insulating layer 62 and side gaseous insulating layer 64 UNICOM, it has a plurality of little ventholes 61 to go up gaseous insulating layer 62 upper plate, side gaseous insulating layer 64 lower part has air outlet channel 66, side gaseous insulating layer 64 is the transparent structure.

According to some embodiments of the present invention, the micro-vents 61 have a diameter between 5-20mm, both sides including 5mm and 20 mm.

According to one embodiment of the present invention, the micro-vents 61 are evenly distributed.

According to an embodiment of the present invention, the saturated air outlet balance port 65 is disposed on the upper wall of the inner cavity and extends out of the side wall of the upper gas isolation layer 62 through the upper gas isolation layer 62 to communicate with the outside.

According to one embodiment of the present invention, the lower edge of the side gas barrier layer 64 has gas outlet channels 66.

Any reference to "one embodiment," "an embodiment," "example embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. This schematic representation in various places throughout this specification does not necessarily refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other ones of the embodiments.

While the invention has been described in detail and with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. In particular, reasonable variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the foregoing disclosure, the drawings and the appended claims without departing from the spirit of the invention. Except variations and modifications in the component parts and/or arrangements, the scope of which is defined by the appended claims and equivalents thereof.

Claims

1. A thermal flow shield for high and low temperature impact testing experimental equipment, comprising: the first gas path is arranged on the high-low temperature impact test experimental equipment; install the heating device on first gas circuit, a serial communication port, the heating device output end is installed the heat flux cover, the heat flux cover includes heat flux cover inner chamber and the heat flux cover wall that forms the heat flux cover inner chamber, heat flux cover wall upper plate has not with the communicating heat flux cover saturation balanced mouth of giving vent to anger of gaseous insulating layer, the export of heat flux cover saturation balanced mouth of giving vent to anger leads to the external environment, the heat flux cover wall outside is equipped with gaseous insulating layer, gaseous insulating layer includes gaseous insulating layer and side gaseous insulating layer, it is associative with the second gas circuit of installing at high low temperature impact test experimental apparatus to go up gaseous insulating layer, go up gaseous insulating layer and side gaseous insulating layer UNICOM, it has a plurality of little ventholes to go up gaseous insulating layer upper plate, side gaseous insulating layer lower part has air outlet channel, side gaseous insulating layer is transparent structure.

2. The heat flux shield for high and low temperature impact testing equipment according to claim 1, wherein the diameter of the micro-pores is between 5mm and 20 mm.

3. The heat flux shield for high and low temperature impact testing equipment according to claim 1, wherein the micro-pores are uniformly distributed.

4. The heat flux shield for high and low temperature impact testing equipment according to claim 1, wherein the saturated gas outlet balance port is disposed on the upper wall of the inner cavity and extends out of the side wall of the upper gas barrier layer through the upper gas barrier layer to communicate with the outside.

5. The heat flux shield for high and low temperature impact testing experimental equipment according to claim 1, wherein the lower edge of the side gas barrier layer is provided with gas outlet channels.