CN216209647U

CN216209647U - Test device for stability of microwave hybrid integrated circuit in high-temperature and humid environment

Info

Publication number: CN216209647U
Application number: CN202122018804.2U
Authority: CN
Inventors: 杨康; 李吉浩; 张天泽
Original assignee: Nanjing Hangfeng Microelectronics Technology Co ltd
Current assignee: Nanjing Hangfeng Microelectronics Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-04-05
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a test device for the stability of a microwave hybrid integrated circuit in a high-temperature and humid environment, and relates to the technical field of test devices for microwave hybrid integrated circuits. This a test device for microwave hybrid integrated circuit stability under high temperature humid environment opens through PLC controller control solenoid for vapor enters into the inner chamber of experimental box through the steam pipe, and the waterproof type electric heating wire circular telegram through PLC controller control produces the heat and heats the air in the experimental box, thereby tests this microwave hybrid integrated circuit and can normally work in high temperature humid environment.

Description

Test device for stability of microwave hybrid integrated circuit in high-temperature and humid environment

Technical Field

The utility model relates to the technical field of microwave hybrid integrated circuit test devices, in particular to a test device for the stability of a microwave hybrid integrated circuit in a high-temperature and humid environment.

Background

The microwave hybrid integrated circuit is formed by manufacturing various microwave functional circuits on a medium suitable for transmitting microwave signals by using a thick film technology or a thin film technology and then installing discrete active elements on corresponding positions, and various performances of the microwave hybrid integrated circuit need to be detected in the manufacturing process of the microwave hybrid integrated circuit;

most of the current markets lack a testing device which can be used for testing the stability of the microwave hybrid integrated circuit in a high-temperature and humid environment so as to test the high-temperature and humid resistance of the microwave hybrid integrated circuit.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a testing apparatus for testing stability of a microwave hybrid integrated circuit in a high temperature and humidity environment, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a test device for microwave hybrid integrated circuit stability under high temperature humid environment, includes experimental box, experimental box inner chamber installs the steam pipe that runs through experimental box left wall lower extreme position, the externally mounted of steam pipe has the solenoid valve, the intermediate position department fixed mounting of experimental box inner chamber bottom has waterproof type electric heating wire, the right wall position fixed mounting of experimental box has the PLC controller, the PLC controller respectively with solenoid valve and waterproof type electric heating wire between electric connection, the top position of experimental box is provided with the apron, the left and right sides of apron bottom is provided with temperature sensor and humidity transducer respectively, and humidity transducer and temperature sensor all with PLC controller electric connection.

Preferably, in the test device for testing the stability of the microwave hybrid integrated circuit in the high-temperature and humid environment, the fans are fixedly mounted at the left side and the right side of the bottom of the inner cavity of the test box, two groups of fans are arranged at the lower positions of the steam pipes, and the two groups of fans are electrically connected with the PLC.

Based on the technical characteristics, the air flow is convenient to accelerate, and the uniformity of the temperature is improved.

Preferably, among the above-mentioned a testing arrangement that is arranged in microwave hybrid integrated circuit stability under high temperature humid environment, the bottom four corners position of experimental box all is fixed with the supporting leg, apron bottom position fixed mounting has the shape frame of returning that contacts with experimental box inner wall, temperature sensor sets up the left side position at humidity transducer, and temperature sensor and humidity transducer all set up the inboard position at the shape frame of returning.

Based on the technical characteristics, the testing device for the stability of the microwave hybrid integrated circuit in the high-temperature and humid environment is convenient to stably place.

Preferably, among the above-mentioned a test device that is used for microwave hybrid integrated circuit stability under high temperature humid environment, the fixed welding of inner wall lower extreme position of experimental box has metal mesh board, and metal mesh board sets up the top position at steam pipe and waterproof type electric heating wire, metal mesh board's top position evenly is provided with places the waffle slab, the multiunit place the equal fixed mounting in four corners position of waffle slab bottom has the bracing piece.

Based on the technical characteristics, a plurality of groups of microwave hybrid integrated circuits can be conveniently placed, and then the plurality of groups of microwave hybrid integrated circuits can be tested simultaneously.

Preferably, in the test device for testing the stability of the microwave hybrid integrated circuit in the high-temperature and humid environment, the upper ends of the front side wall and the rear side wall of the test box body are uniformly provided with wire holes penetrating through the test box body, and the plurality of groups of wire holes are all arranged above the metal mesh plate.

Based on the technical characteristics, the connecting wire is convenient to connect.

Preferably, among the above-mentioned a testing arrangement that is arranged in microwave hybrid integrated circuit stability under high temperature humid environment, first screw has been seted up to the left and right sides position symmetry of experimental bottom half, the second screw has been seted up to the left and right sides position symmetry at apron top, both ends all are equipped with the U template around the experimental box, U template bottom is provided with the first screw that runs through U template bottom position and with first screw threaded connection, U template top be provided with run through U template top position and with second screw threaded connection's second screw.

Based on above-mentioned technical characteristics, be convenient for connect fixed test box and apron, guarantee the gas tightness, reduce the heat loss.

Compared with the prior art, the utility model has the beneficial effects that:

through the design of this technical scheme, thereby open through PLC controller control solenoid valve and make vapor enter into the inner chamber of experimental box through the steam pipe, through PLC controller control waterproof type electric heating wire circular telegram production of heat and heat the air in the experimental box inner chamber, thereby test this microwave hybrid integrated circuit whether can normally work in high temperature humid environment, air humidity and temperature in automatic monitoring experimental box inner chamber and then automatic transmission to the inner chamber of PLC controller under humidity transducer and temperature sensor's effect, conveniently pass through PLC controller internal program control temperature and humidity value, be convenient for test this microwave hybrid integrated circuit performance of using under different humidity and temperature condition.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic diagram of the right-view structure of the present invention;

FIG. 3 is a schematic bottom view of the cover plate and the frame of the present invention.

In the figure: 1. a test box body; 2. placing a grid plate; 3. a support bar; 4. an electromagnetic valve; 5. a steam pipe; 6. supporting legs; 7. a first screw; 8. a waterproof electric heating wire; 9. a metal mesh plate; 10. a first screw hole; 11. a fan; 12. a wire guide hole; 13. a PLC controller; 14. a second screw hole; 15. a second screw; 16. a humidity sensor; 17. a temperature sensor; 18. a U-shaped plate; 19. a cover plate; 20. a clip frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a test device for microwave hybrid integrated circuit stability under high temperature humid environment, including

test box

1, 1 inner chamber of test box installs the steam pipe 5 that runs through 1 left wall lower extreme position of test box, the externally mounted of steam pipe 5 has solenoid valve 4, the intermediate position department fixed mounting of 1 inner chamber bottom of test box has waterproof type electric heating wire 8, the right wall position fixed mounting of test box 1 has PLC controller 13, PLC controller 13 respectively with solenoid valve 4 and waterproof type electric heating wire 8 between electric connection, the top position of test box 1 is provided with apron 19, the left and right sides of apron 19 bottom is provided with temperature sensor 17 and humidity transducer 16 respectively, and humidity transducer 16 and temperature sensor 17 all with PLC controller 13 electric connection.

Please refer to fig. 1 in the drawings of the specification: the equal fixed mounting in left and right sides position of 1 inner chamber bottom of experimental box has fan 11, and two sets of fans 11 all set up the below position at steam pipe 5, and electric connection between two sets of fans 11 all and the PLC controller 13 starts fan 11 through PLC controller 13 and produces the air current and then improve temperature distribution's homogeneity when testing.

Please refer to fig. 1 and 3 in the drawings of the specification: all be fixed with supporting leg 6 in the bottom four corners position of

experimental box

1, 19 bottom fixed position of apron installs the shape frame 20 that returns that contacts with experimental box 1 inner wall, temperature sensor 17 sets up the left side position at humidity transducer 16, and temperature sensor 17 and humidity transducer 16 all set up the inboard position at shape frame 20, when using this a test device that is used for microwave hybrid integrated circuit stability under the humid environment of high temperature, place this a test device that is used for microwave hybrid integrated circuit stability under the humid environment of high temperature in suitable position department through supporting leg 6 earlier.

Please refer to fig. 1 in the drawings of the specification: the fixed welding of inner wall lower extreme position of experimental box 1 has metal mesh plate 9, and metal mesh plate 9 sets up the top position at steam pipe 5 and waterproof type electric heating wire 8, the top position of metal mesh plate 9 evenly is provided with places waffle slab 2, the equal fixed mounting in four corners position that the waffle slab 2 bottom was placed to the multiunit has bracing piece 3, when using this a test device that is used for microwave hybrid integrated circuit stability under the high temperature humid environment, place the multiunit microwave hybrid integrated circuit that awaits measuring on metal mesh plate 9 and place waffle slab 2 with the multiunit and put things in good order in the inner chamber of experimental box 1 in proper order.

Please refer to fig. 1 in the drawings of the specification: wire holes 12 penetrating through the test box body 1 are uniformly formed in the upper ends of the front side wall and the rear side wall of the test box body 1, a plurality of groups of wire holes 12 are arranged above the metal screen plate 9, and wires of a plurality of groups of microwave hybrid integrated circuits sequentially penetrate through the wire holes 12 in proper positions and are connected with external test circuit equipment.

Please refer to fig. 1 and 2 in the drawings of the specification: first screw holes 10 are symmetrically formed in the left side and the right side of the bottom of the test box body 1, second screw holes 14 are symmetrically formed in the left side and the right side of the top of the cover plate 19, U-shaped plates 18 are sleeved at the front end and the rear end of the test box body 1, first screws 7 which penetrate through the bottom of the U-shaped plates 18 and are in threaded connection with the first screw holes 10 are arranged at the bottom of the U-shaped plates 18, second screws 15 which penetrate through the top of the U-shaped plates 18 and are in threaded connection with the second screw holes 14 are arranged at the top of the U-shaped plates 18, the cover plate 19 is covered and the first screws 7 and the second screws 15 are screwed to be in threaded connection with the first screw holes 10 and the second screw holes 14 respectively, the cover plate 19 and the test box body 1 are tightly fixed through the U-shaped plates 18, and air tightness is guaranteed.

The working principle is as follows: when the test device for testing the stability of the microwave hybrid integrated circuit in the high-temperature and humid environment is used, the PLC 13 controls the electromagnetic valve 4 to open so as to lead the water vapor to enter the inner cavity of the test box body 1 through the steam pipe 5, the PLC 13 controls the waterproof electric heating wire 8 to be electrified to generate heat and heat the air in the inner cavity of the test box body 1, thereby testing whether the microwave hybrid integrated circuit can work normally in a high-temperature humid environment, the humidity and the temperature of the air in the inner cavity of the test box body 1 are automatically monitored under the action of the humidity sensor 16 and the temperature sensor 17 and then are automatically transmitted to the inner cavity of the PLC 13, the temperature and humidity values can be conveniently controlled through the internal program of the PLC 13, the performance of the microwave hybrid integrated circuit used under different humidity and temperature conditions can be conveniently tested, and the whole working principle of the utility model is described above.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a test device that is used for microwave hybrid integrated circuit stability under high temperature humid environment, includes test box (1), its characterized in that: the utility model discloses a test box, including test box (1), test box (1) inner chamber, the outer mounting of steam pipe (5) has solenoid valve (4), the intermediate position department fixed mounting of test box (1) inner chamber bottom has waterproof type electric heating wire (8), the right wall position fixed mounting of test box (1) has PLC controller (13), PLC controller (13) respectively with solenoid valve (4) and waterproof type electric heating wire (8) between electric connection, the top position of test box (1) is provided with apron (19), the left and right sides of apron (19) bottom is provided with temperature sensor (17) and humidity transducer (16) respectively, and humidity transducer (16) and temperature sensor (17) all with PLC controller (13) electric connection.

2. The testing apparatus for microwave hybrid integrated circuit stability under high temperature and humidity environment according to claim 1, wherein: the equal fixed mounting in left and right sides position of experimental box (1) inner chamber bottom has fan (11), and two sets of fan (11) all set up the below position at steam pipe (5), and is two sets of electric connection between fan (11) all and PLC controller (13).

3. The testing apparatus for microwave hybrid integrated circuit stability under high temperature and humidity environment according to claim 1, wherein: the bottom four corners position of experimental box (1) all is fixed with supporting leg (6), apron (19) bottom fixed position install with the shape frame (20) of returning that experimental box (1) inner wall contacted, temperature sensor (17) set up the left side position at humidity transducer (16), and temperature sensor (17) and humidity transducer (16) all set up the inboard position at shape frame (20) of returning.

4. The testing apparatus for microwave hybrid integrated circuit stability under high temperature and humidity environment according to claim 1, wherein: the welding of the inner wall lower extreme rigidity of experimental box (1) has metal mesh board (9), and metal mesh board (9) set up the top position at steam pipe (5) and waterproof type electric heating wire (8), the top position of metal mesh board (9) evenly is provided with places waffle slab (2), multiunit place the equal fixed mounting in four corners position of waffle slab (2) bottom has bracing piece (3).

5. The testing apparatus for microwave hybrid integrated circuit stability under high temperature and humidity environment according to claim 1, wherein: wire holes (12) penetrating through the test box body (1) are uniformly formed in the upper ends of the front side wall and the rear side wall of the test box body (1), and a plurality of groups of wire holes (12) are arranged above the metal screen plate (9).

6. The testing apparatus for microwave hybrid integrated circuit stability under high temperature and humidity environment according to claim 1, wherein: first screw (10) have been seted up to the left and right sides position symmetry of experimental box (1) bottom, second screw (14) have been seted up to the left and right sides position symmetry at apron (19) top, both ends all are equipped with U template (18) around experimental box (1), U template (18) bottom is provided with first screw (7) that run through U template (18) bottom position and with first screw (10) threaded connection, U template (18) top is provided with second screw (15) that run through U template (18) top position and with second screw (14) threaded connection.