CN218727402U - Vibration test equipment - Google Patents
Vibration test equipment Download PDFInfo
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- CN218727402U CN218727402U CN202222775467.6U CN202222775467U CN218727402U CN 218727402 U CN218727402 U CN 218727402U CN 202222775467 U CN202222775467 U CN 202222775467U CN 218727402 U CN218727402 U CN 218727402U
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- inner container
- refrigeration
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- refrigerating
- vibration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The embodiment of the utility model discloses a vibration test device, which comprises a refrigeration box body, wherein an inner container for accommodating a product to be tested is arranged in the refrigeration box body; the refrigerating assembly is positioned between the inner container and the box body wall of the refrigerating box body; the first thermometer and the second thermometer are arranged in the inner container; the refrigeration assembly includes: the refrigerating sheets are positioned on two opposite sides of the inner container; the heat insulation pad is positioned between the refrigerating sheet and the box body wall of the refrigerating box body; and the cold guide column penetrates through the heat insulation pad, one end of the cold guide column extends to the inner container, and the other end of the cold guide column extends to the surface of the refrigeration sheet. Through the cooperation use of semiconductor refrigeration piece, heat insulating mattress, cold post and radiator, optimized the structure of control by temperature change unit, solved traditional refrigerating system huge, the loaded down with trivial details problem of refrigeration principle, can be better with the vibrating element phase-match. Has the advantages of small occupied area, simple structure, cost saving and the like.
Description
Technical Field
The utility model relates to a semiconductor test field. And more particularly, to a vibration test rig.
Background
In the test process of the acceleration sensor, a temperature field and vibration excitation need to be simulated on the sensor, and the overall size of the sensor is small, and the variation range of high and low temperature is large, so that the traditional cooling mode structure is huge, and the risk of leakage of cooling liquid exists in the liquid cooling process, and the quality of detection equipment is influenced; meanwhile, the selected vibration exciter has a compact structure and can not be matched with a refrigeration structure.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, an object of the utility model is to provide a can solve among the traditional test equipment refrigerating system structure huge, the vibration test equipment of the loaded down with trivial details problem of refrigeration principle.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a vibration test rig comprising:
the refrigerator comprises a refrigeration box body, wherein an inner container for accommodating a product to be detected is arranged in the refrigeration box body;
the refrigerating assembly is positioned between the inner container and the box body wall of the refrigerating box body; and
the first thermometer and the second thermometer are arranged in the inner container;
the refrigeration assembly includes:
the refrigerating sheets are positioned on two opposite sides of the inner container;
the heat insulation pad is positioned between the refrigerating sheet and the box body wall of the refrigerating box body; and
and the cold guide column penetrates through the heat insulation pad, one end of the cold guide column extends to the inner container, and the other end of the cold guide column extends to the surface of the refrigeration sheet.
In addition, preferably, the temperature measuring end of the first thermometer corresponds to the top of the inner container;
the temperature measuring end of the second thermometer corresponds to the bottom of the inner container.
In addition, preferably, one side of the refrigeration sheet, which is far away from the inner container, comprises a radiator, and the radiator and the refrigeration box body are combined into a whole.
In addition, preferably, one side of the radiator, which is far away from the refrigerating sheet, comprises an air draft fan and an air supply fan;
and the wind directions of the air draft fan and the air supply fan are consistent.
In addition, the preferable scheme is that the box body wall of the refrigeration box body comprises a heat dissipation window which is correspondingly matched with the exhaust fan and the air supply fan.
In addition, preferably, heat insulation layers are arranged between the top, the bottom wall, the front side wall and the rear side wall of the inner container and the wall of the refrigeration box body.
In addition, it is preferable that the side wall of the heat insulating mat is fixed to the wall of the refrigerator case.
In addition, it is preferable that the vibration test equipment further includes a frame body and a vibration unit disposed on the frame body;
the refrigeration box body is fixedly combined on the frame body through a support flange and is connected with the vibration unit through a connecting tool.
In addition, preferably, the top wall of the refrigeration box body is provided with a pick-and-place window corresponding to the inner container, and the pick-and-place window is circular;
the taking and placing window is correspondingly matched with a sealing bolt, and the first thermometer and the second thermometer are inserted on the sealing bolt.
In addition, preferably, each refrigerating sheet is correspondingly connected with four cold guide columns, and the four cold guide columns are correspondingly arranged at four corners of the side wall of the inner container respectively.
The utility model has the advantages as follows:
to the technical problem who exists among the prior art, this application embodiment provides a vibration test equipment, uses through the cooperation of semiconductor refrigeration piece, heat insulating mattress, cold post and radiator, has optimized the structure of control by temperature change unit, and it is huge to have solved traditional refrigerating system, the loaded down with trivial details problem of refrigeration principle, can be better with the vibrating element phase-match. Replace traditional coolant liquid through the semiconductor refrigeration piece, utilize to lead cold post and lead cold refrigeration, guaranteed the homogeneity of temperature, the semiconductor refrigeration piece can refrigerate, can heat again, and response speed is fast, and is effectual, and the power consumption is few, can avoid the risk that the coolant liquid was revealed, guarantees test equipment's clean and tidy, and can practice thrift manufacturing cost, reduces the power consumption, improves the accuracy of efficiency of software testing and test result. Has the advantages of small occupied area, simple structure, cost saving and the like.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of a vibration test testing apparatus provided by an embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of a temperature control unit according to an embodiment of the present invention.
Fig. 3 shows a schematic diagram of an internal structure of a temperature control unit according to an embodiment of the present invention.
Fig. 4 shows a top view of a temperature control unit according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and 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. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
In the test process of the acceleration sensor, a temperature field and vibration excitation need to be simulated on the sensor, and the overall size of the sensor is small, and the variation range of high and low temperature is large, so that the traditional cooling mode structure is huge, and the risk of leakage of cooling liquid exists in the liquid cooling process, and the quality of detection equipment is influenced; meanwhile, the selected vibration exciter has a compact structure, and can not be matched with a refrigeration structure, so that inconvenience is caused to an experiment.
For overcoming the defect that prior art exists, the embodiment of the utility model provides a vibration test equipment, it is shown in combination fig. 1-4, shown vibration test equipment is including temperature control unit 1, vibration unit 2 and support body 3, vibration unit 2 sets up on support body 3, and temperature control unit 1 is connected with vibration unit 2 through connecting frock 4, and vibration unit 2 is used for simulating the vibration environment, temperature control unit 1 is used for simulating the temperature field environment to the detection is located the correlation performance of the product that awaits measuring of temperature control unit 1. Temperature control unit 1 is fixed in on support body 3 through support flange 5, avoids its offset to influence the test result in the test procedure, and temperature control unit 1 is connected with vibration unit 2 through connecting frock 4 for vibration unit 2's vibration is applyed in temperature control unit 1, satisfies the required vibration environment of test for the product simulation that awaits measuring that is located temperature control unit 1.
In an embodiment, as shown in fig. 2 to 4, the temperature control unit 1 includes a refrigeration box 11, an inner container 12 for accommodating a product to be tested is included in the refrigeration box 11, and a refrigeration assembly is included between the inner container 12 and a box wall of the refrigeration box 11, and is configured to provide refrigeration for the inner container 12 and simulate a temperature field environment required by a test for the product to be tested in the inner container 12. The refrigeration box body 11 is made of 5mm PVC (polyvinyl chloride) plastics, a circular taking and placing window is processed on the top wall of the refrigeration box body 11, and the taking and placing window is correspondingly matched with the inner container 12 and communicated with the inside of the inner container 12, so that a product to be detected can be taken and placed conveniently. And a sealing bolt 13 is arranged at the position of the taking and placing window so as to ensure the sealing performance of the refrigeration box body 11. The sealing bolt 13 is of a cylindrical hollow nylon bolt structure, and the top of the sealing bolt is provided with a circular arc-shaped handle, so that the sealing bolt 13 and the refrigeration box body 11 can be conveniently screwed and connected.
In the present embodiment, the sealing plug 13 is provided with a first thermometer 6 and a second thermometer 7, and the first thermometer 6 and the second thermometer 7 are used for detecting the refrigeration temperature of the temperature control unit 1.
Specifically, the first thermometer 6 and the second thermometer 7 are inserted on the sealing bolt 13, wherein the first thermometer 6 penetrates through the sealing bolt 13 and extends to the top of the inner cavity of the inner container 12, and the temperature measuring end is arranged corresponding to the top of the inner cavity of the inner container 12; the second thermometer 7 penetrates through the sealing bolt 13 and extends to the bottom of the inner cavity of the inner container 12, and the temperature measuring end is arranged corresponding to the bottom of the inner cavity of the inner container 12. The first thermometer 6 and the second thermometer 7 are respectively used for detecting the temperature of the upper half part and the temperature of the lower half part of the refrigerating space formed by the inner cavity 12 so as to judge whether the temperature in the inner cavity 12 meets the test requirement, and the temperature can be conveniently and immediately regulated and controlled, so that the uniformity of the temperature in the inner cavity 12 is ensured.
In one embodiment, as shown in fig. 3, the refrigeration assembly includes a semiconductor refrigeration sheet 14, a heat insulation pad 15 and a cold guide column 8, the semiconductor refrigeration sheet 14 is disposed on the outer side of the left and right side walls of the inner container 12, and the heat insulation pad 15 is disposed between the semiconductor refrigeration sheet 14 and the wall of the refrigeration box 11, so as to isolate the semiconductor refrigeration sheet 14 from the refrigeration box 11, prevent heat conduction between the semiconductor refrigeration sheet 14 and the refrigeration box 11, and ensure the refrigeration effect of the semiconductor refrigeration sheet 14 on the inner container 12.
In this embodiment, the semiconductor cooling plate 14 is connected to the inner container 12 through the cooling guide column 8, and performs cooling through the cooling guide column 8. Specifically, as shown in fig. 4, the cold guiding column 8 is a hollow structure, penetrates through the heat insulating pad 15, one end of the cold guiding column extends to the surface of the semiconductor refrigeration piece 14, the other end of the cold guiding column extends to the outer side wall of the inner container 12, the inner container 12 is a copper inner container, and has good thermal conductivity, and the cold guiding column 8 is connected with the semiconductor refrigeration piece 14 and the inner container 12, so that the refrigeration effect of the semiconductor refrigeration piece 14 on the inner container 12 can be further enhanced.
In a preferred embodiment, in order to further enhance the refrigerating effect of the semiconductor refrigerating sheet 14 on the inner container 12 and ensure the uniformity of refrigeration, each semiconductor refrigerating sheet 14 is correspondingly connected with four cold guiding columns 8, the four cold guiding columns 8 penetrate through the heat insulating pad 15, extend to the outer wall of the inner container 12, and are correspondingly connected with four corners of the side wall of the inner container 12 to uniformly refrigerate the inner container 12.
In one embodiment, the outer surface of the semiconductor chilling plate 14 is uniformly coated with a heat-conducting silicone layer, so that the heat-conducting effect of the semiconductor chilling plate 14 can be enhanced.
In one embodiment, the sidewall of the heat insulating pad 15 is fixed to the side wall of the refrigerator body 11 by nylon bolts.
In one embodiment, as shown in fig. 4, a heat sink 17 is mounted on the hot surface of the semiconductor cooling plate 14, and the heat sink 17 in this embodiment is a copper fin heat sink. When the semiconductor cooling fins 14 cool, the heat sink 17 dissipates heat therefrom. Wherein, the hot surface of the semiconductor refrigeration piece 14 is the surface of one side of the semiconductor refrigeration piece 14, which faces away from the inner container 12. The end part of the radiator 17 is embedded into the refrigeration box body 11 and is connected with the refrigeration box body 11 into a whole, so that the heat radiation is facilitated. The heat insulating pad 15 is fixed to the radiator 17 by nylon bolts.
In one embodiment, the heat dissipating end of the heat sink 17 is fitted with a blower fan 18 and an extractor fan 19. Wherein, the heat dissipation end of the heat sink 17, that is, the surface of the heat sink 17 on the side away from the semiconductor chilling plate 14. The wind directions of the air supply fan 18 and the air draft fan 19 are consistent, the air supply fan 18 supplies air to the radiator 17, the air draft fan 19 exhausts air to the radiator 17 to generate air convection, heat dissipation is accelerated, and the heat dissipation effect of the radiator 17 is enhanced.
In one embodiment, the two box walls of the refrigeration box 11 corresponding to the refrigeration component are provided with heat dissipation windows 10, the heat dissipation windows 10 are arranged corresponding to the air supply fan 18 and the air exhaust fan 19, and the heat dissipation windows 10 are in a louvered structure, so that heat dissipation can be enhanced, and the refrigeration effect of the temperature control unit 1 can be guaranteed.
In one embodiment, in order to avoid heat conduction between the inner container 12 and the refrigeration box 11 and influence the refrigeration effect of the product to be measured, the heat insulation layer 16 is filled between the top of the inner container 12 and the top wall of the refrigeration box 11, between the bottom wall of the inner container 12 and the bottom wall of the refrigeration box 11, and between the front and rear side walls of the inner container 12 and the front and rear side walls of the refrigeration box 11, and the heat insulation layer 16 is made of solid polyurethane foam or polystyrene foam which has good heat insulation, light weight, good adhesion and no water absorption.
In this embodiment, the vibration test equipment further comprises a vibration table control cabinet and an upper computer, and is used for controlling the temperature control unit 1 and the vibration unit 2 to simulate vibration and temperature field environments meeting certain requirements so as to detect the relevant performance of a tested product.
The embodiment of the utility model provides a vibration test equipment uses through the cooperation of semiconductor refrigeration piece, heat insulating mattress, lead cold post and radiator, has optimized the structure of control by temperature change unit, and it is huge to have solved traditional refrigerating system, the loaded down with trivial details problem of refrigeration principle, can be better with the vibration unit phase-match. Replace traditional coolant liquid through the semiconductor refrigeration piece, utilize to lead cold post and lead cold refrigeration, guaranteed the homogeneity of temperature, the semiconductor refrigeration piece can refrigerate, can heat again, and response speed is fast, and is effectual, and the power consumption is few, can avoid the risk that the coolant liquid was revealed, guarantees test equipment's clean and tidy, and can practice thrift manufacturing cost, reduces the power consumption, improves the accuracy of efficiency of software testing and test result. Has the advantages of small occupied area, simple structure, cost saving and the like.
Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.
Claims (10)
1. A vibration testing apparatus, comprising:
the refrigerator comprises a refrigeration box body, wherein an inner container for accommodating a product to be detected is arranged in the refrigeration box body;
the refrigerating assembly is positioned between the inner container and the box body wall of the refrigerating box body; and
the first thermometer and the second thermometer are arranged in the inner container;
the refrigeration assembly includes:
the refrigerating sheets are positioned on two opposite sides of the inner container;
the heat insulation pad is positioned between the refrigerating sheet and the box body wall of the refrigerating box body; and
and the cold guide column penetrates through the heat insulation pad, one end of the cold guide column extends to the inner container, and the other end of the cold guide column extends to the surface of the refrigeration sheet.
2. The vibration testing apparatus of claim 1, wherein the temperature measuring end of the first thermometer corresponds to the top of the inner container;
and the temperature measuring end of the second thermometer corresponds to the bottom of the inner container.
3. The vibration test testing apparatus of claim 1, wherein a side of the refrigeration sheet facing away from the inner container includes a heat sink integrated with the refrigeration case.
4. The vibration testing apparatus of claim 3, wherein the side of the heat sink facing away from the cooling fins comprises an air draft fan and an air supply fan;
the wind directions of the exhaust fan and the air supply fan are consistent.
5. The vibration test testing equipment of claim 4, wherein the box wall of the refrigeration box body comprises a heat dissipation window which is correspondingly matched with the exhaust fan and the air supply fan.
6. The vibration test testing apparatus according to claim 1, wherein insulating layers are provided between the top, bottom wall, front side wall and rear side wall of the inner container and the box wall of the refrigeration box.
7. The vibration testing apparatus of claim 1, wherein the side walls of the thermal insulating mat are secured in combination with the cabinet walls of the refrigerated cabinet.
8. The vibration test rig of claim 1, further comprising a frame and a vibration unit disposed on the frame;
the refrigeration box body is fixedly combined on the frame body through a support flange and is connected with the vibration unit through a connecting tool.
9. The vibration test testing device of claim 1, wherein a pick-and-place window corresponding to the inner container is formed on the top wall of the refrigeration box body;
the taking and placing window is correspondingly matched with a sealing bolt, and the first thermometer and the second thermometer are inserted on the sealing bolt.
10. The vibration test testing device according to claim 1, wherein each of the cooling fins is correspondingly connected with four cold guiding columns, and the four cold guiding columns are correspondingly installed at four corners of the side wall of the inner container respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775467.6U CN218727402U (en) | 2022-10-21 | 2022-10-21 | Vibration test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775467.6U CN218727402U (en) | 2022-10-21 | 2022-10-21 | Vibration test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218727402U true CN218727402U (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222775467.6U Active CN218727402U (en) | 2022-10-21 | 2022-10-21 | Vibration test equipment |
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|---|---|
| CN (1) | CN218727402U (en) |
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- 2022-10-21 CN CN202222775467.6U patent/CN218727402U/en active Active
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