CN216826236U

CN216826236U - Horizontal air supply high-temperature test box

Info

Publication number: CN216826236U
Application number: CN202220555629.2U
Authority: CN
Inventors: 吴秀才; 罗发乾
Original assignee: Chongqing Hongrui Test Instrument Co ltd
Current assignee: Chongqing Hongrui Test Instrument Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-06-28
Anticipated expiration: 2032-03-15

Abstract

The utility model discloses a horizontal air supply high temperature test case relates to high temperature test technical field. This horizontal air supply high temperature test case, including the proof box, the inside of proof box is provided with experimental cavity and multiunit and is horizontal parallel distribution's supporting piece, and the case door seals experimental cavity on the proof box, and the corner of experimental cavity is provided with the fillet, fillet and experimental cavity integrated into one piece, and fixed mounting has driving motor on the lateral wall of proof box. According to the horizontal air supply high-temperature test box, the interior of the test cavity forms a closed cycle through three air channels by the separation of the bearing piece, the horizontal arrangement of the driving motor and the right air channel and the arrangement of the round corners of the four corners of the test cavity, and the airflow forms a horizontal wind direction through the axial flow fan blades, so that the influence of a test piece on airflow blockage is reduced; the test piece is heated evenly in the test cavity, test efficiency and effect are improved, experimental data errors are reduced, and the size of the external air introduced into the test cavity can be adjusted by adjusting the air inlet groove.

Description

Horizontal air supply high-temperature test box

Technical Field

The utility model relates to a high temperature test technical field, in particular to horizontal air supply high temperature test case.

Background

Electronic components need detect its performance after the production and processing, utilizes high temperature test case to test electronic components's high temperature resistance ability usually, and traditional high temperature test case is mostly single wind channel structure, if the relatively intensive back that the test piece was placed, the test piece can block most air current for each side index and the operating mode of equipment are relatively poor, are unfavorable for simulating real experimental environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a horizontal air supply high temperature test case, can solve the problem that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a horizontal air supply high-temperature test box comprises a test box body, a plurality of groups of bearing pieces which are horizontally distributed in parallel are arranged in the test box body, a box door on the test box body seals the test cavity body, round corners of the test cavity body are provided with round corners, the round corners and the test cavity body are integrally formed, a driving motor is fixedly installed on the side wall of the test box body, an output shaft of the driving motor extends to the inner side of the test cavity body through a coupler and is fixedly connected with axial flow fan blades, a test port is arranged on the rear side of the test box body, and the test port is communicated with the interior of the test cavity body;

the air supply direction of the axial flow fan blade is parallel to the supporting piece, a right air channel and a left air channel are formed on two sides of the supporting piece, a bottom air channel is formed at the bottom of the supporting piece, the heater is installed at the bottom of the supporting piece, an air outlet penetrating through the outside of the test box and the test cavity is formed in the rear side of the test box, a control room is arranged on the side edge of the test box, a platinum resistor is arranged on the inner side of the test cavity, and the driving motor, the heater and the platinum resistor are all electrically connected with the control room.

Preferably, the bottom of the test cavity is provided with an air inlet, the front side of the test box is provided with an air inlet hole, the air inlet hole is communicated with the air inlet, an air regulating plate for sealing the air inlet hole is fixedly mounted at the air inlet hole, an air inlet groove is formed in the surface of the air regulating plate, a wind shield for sealing the air inlet groove is slidably mounted on the inner side of the air regulating plate, a threaded hole is formed in the outer wall of the wind shield, a fastening bolt is mounted in the threaded hole, and the fastening bolt penetrates through the air inlet groove and extends to the outside of the test box.

Preferably, the supporting piece comprises a grid frame and a supporting plate, a plurality of groups of grid frames are arranged inside the test cavity, two groups of grid frames are symmetrically arranged on the rear side of the test cavity in a two-in-two parallel mode, the supporting plate is arranged on two groups of grid frames in parallel distribution in a lap mode, test pieces are convenient to place and take, an overhaul hole is formed in the rear side of the test box and communicated with the internal circuit of the test box, a detachable overhaul plate is arranged on the rear side of the control room, the overhaul hole in the test box is sealed by the overhaul plate, and overhaul and maintenance can be conducted on the test box when the internal circuit of the test box breaks down conveniently.

Compared with the prior art, the beneficial effects of the utility model are that: according to the horizontal air supply high-temperature test box, the interior of the test cavity forms a closed cycle through three air channels by the separation of the bearing piece, the horizontal arrangement of the driving motor and the right air channel and the arrangement of the round corners of the four corners of the test cavity, and the airflow forms a horizontal wind direction through the axial flow fan blades, so that the influence of a test piece on airflow blockage is reduced; ensure that test piece is heated evenly in the experimental cavity, promote test efficiency and effect, reduce the experimental data error, the setting of air register plate, deep bead and fastening bolt in addition, the accessible is adjusted the size that lets in outside air in the intake stack regulation experimental cavity, reaches and sends into the new trend or carries out the purpose of cooling to experimental cavity fast to experimental cavity, promotes holistic practicality, satisfies the experimental various requirements of test piece, promotes in-service use and experiences.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front perspective view of the present invention;

fig. 3 is a back perspective view of the present invention;

fig. 4 is a front view of the present invention;

fig. 5 is a schematic top view of the air adjusting plate of the present invention;

fig. 6 is a top view of the placement frame of the present invention.

Reference numerals: the device comprises a test box 1, a test cavity 2, a supporting part 3, a grid frame 301, a supporting plate 302, a driving motor 4, an axial flow fan blade 5, a right air duct 6, a left air duct 7, a bottom air duct 8, a heater 9, an air outlet 10, a platinum resistor 11, an air inlet 12, an air adjusting plate 13, an air baffle 14, a fastening bolt 15, a control room 16, an overhaul plate 17 and a test port 18.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1-6, the present invention provides a technical solution: a horizontal air supply high-temperature test box comprises a test box 1, wherein a test cavity 2 and a plurality of groups of supporting pieces 3 which are horizontally distributed in parallel are arranged in the test box 1, a box door on the test box 1 seals the test cavity 2, round corners of the test cavity 2 are provided with round corners, the round corners and the test cavity 2 are integrally formed, a driving motor 4 is fixedly installed on the side wall of the test box 1, an output shaft of the driving motor 4 extends to the inner side of the test cavity 2 through a coupler and is fixedly connected with axial flow fan blades 5, a test port 18 is arranged on the rear side of the test box 1, and the test port 18 is communicated with the interior of the test cavity 2;

the air supply direction of the axial flow fan blades 5 is parallel to the supporting piece 3, a right air channel 6 and a left air channel 7 are formed on two sides of the supporting piece 3, a bottom air channel 8 is formed at the bottom of the supporting piece 3, a heater 9 is installed at the bottom of the supporting piece 3, the interior of the test cavity 2 forms a closed circulation through three air channels by means of separation of the supporting piece 3, horizontal arrangement of the driving motor 4 and the right air channel 6 and fillet arrangement of four corners of the test cavity 2, air flow forms a horizontal air direction through the axial flow fan blades 5, and the influence of a test piece on air flow blocking is reduced; the test piece in the test cavity 2 is uniformly heated, and the test efficiency and effect are improved;

further, the rear side of proof box 1 is opened and is equipped with the air outlet 10 that runs through with 1 outside of proof box and test cavity 2, the side of proof box 1 is provided with control room 16, test cavity 2's inboard is provided with platinum resistance 11, driving motor 4, heater 9 and platinum resistance 11 all are connected with 16 electricity in the control room, the rear side of proof box 1 is opened and is equipped with the access hole, access hole and 1 internal line way intercommunication in proof box, the rear side of control room 16 is provided with detachable access panel 17, access panel 17 closes the access hole on with proof box 1, the convenience is overhauld it and is maintained when 1 internal line in proof box breaks down.

Further, the bottom of the test cavity 2 is provided with an air inlet 12, the front side of the test box 1 is provided with an air inlet opening, the air inlet opening is communicated with the air inlet 12, an air adjusting plate 13 for sealing the air inlet opening is fixedly installed at the air inlet opening, an air inlet groove is formed in the surface of the air adjusting plate 13, a wind shield 14 for sealing the air inlet groove is slidably installed on the inner side of the air adjusting plate 13, the outer wall of the wind shield 14 is provided with a threaded hole, a fastening bolt 15 is installed in the threaded hole, the fastening bolt 15 penetrates through the air inlet groove and extends to the outside of the test box 1, the size of external air introduced into the test cavity 2 can be adjusted by adjusting the air inlet groove, the purpose of sending fresh air into the test cavity 2 or rapidly cooling the test cavity 2 is achieved, the practicability of the whole is improved, the supporting piece 3 comprises a grid frame 301 and a supporting plate 302, a plurality of sets of grid frames 301 are arranged in the test cavity 2, the plurality of grid frames 301 are symmetrically installed on the rear side of the test cavity 2 in parallel, the two groups of grid frames 301 which are distributed in parallel are lapped with supporting plates 302, so that test pieces can be conveniently placed and taken.

The working principle is as follows: opening the upper box door of the test box 1, placing a test piece to be tested on the grid frame 301, closing the box door, controlling the driving motor 4 and the heater 9 to be opened through the control room 16, starting to convey air flow parallel to the supporting piece 3 by the axial flow fan blades 5, enabling the air flow to pass through the left air duct 7 next time under the guidance of the round corners of the four corners of the test cavity 2, enabling the bottom air duct 8 and the right air duct 6 to circulate, heating the air flow by the heater 9 to form hot air, performing a heating test on the test piece by the hot air, sealing the air outlet 10 and the test port 18, pushing and pulling the wind shield 14 by the fastening bolt 15 to adjust the shielding size of the wind shield 14 on the wind shield 13, further adjusting the amount of external air entering the test cavity 2 through the wind shield and the air inlet 12, screwing the fastening bolt 15 on the wind shield 13 after adjustment, and fixing the size of the air inlet.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a horizontal air supply high temperature test case, includes proof box (1), its characterized in that: the testing device is characterized in that a testing cavity (2) and a plurality of groups of supporting pieces (3) which are horizontally distributed in parallel are arranged in the testing box (1), the testing cavity (2) is sealed by a box door on the testing box (1), round corners of the testing cavity (2) are provided with round corners, the round corners and the testing cavity (2) are integrally formed, a driving motor (4) is fixedly installed on the side wall of the testing box (1), and an output shaft of the driving motor (4) extends to the inner side of the testing cavity (2) through a coupler and is fixedly connected with axial flow fan blades (5);

the air supply direction of axial fan blade (5) is parallel with supporting piece (3), and the both sides of supporting piece (3) form right wind channel (6) and left wind channel (7), and the bottom of supporting piece (3) forms end wind channel (8), and heater (9) are installed to the bottom of supporting piece (3), and the rear side of proof box (1) is opened and is equipped with air outlet (10) that run through with proof box (1) outside and experimental cavity (2).

2. The horizontal air supply high-temperature test chamber according to claim 1, characterized in that: air intake (12) have been seted up to the bottom of experimental cavity (2), the front side of proof box (1) is opened and is equipped with the air inlet entrance to a cave, air inlet entrance to a cave and air intake (12) intercommunication, air inlet entrance to a cave department fixed mounting has air regulating plate (13) rather than confined, the intake stack has been seted up on the surface of air regulating plate (13), the inboard slidable mounting of air regulating plate (13) has can be with air inlet stack confined deep bead (14), set up threaded hole on the outer wall of deep bead (14), fastening bolt (15) are installed to the screw hole internal thread, fastening bolt (15) pass the intake stack and extend to the outside of proof box (1).

3. The horizontal air supply high-temperature test chamber according to claim 2, characterized in that: the supporting piece (3) comprises a grid frame (301) and a supporting plate (302), a plurality of groups of grid frames (301) are arranged inside the test cavity (2), every two groups of grid frames (301) are symmetrically arranged on the rear side of the test cavity (2) in a parallel mode, and the supporting plate (302) is lapped on the two groups of grid frames (301) which are distributed in parallel.

4. The horizontal air supply high-temperature test chamber according to claim 3, wherein: a control chamber (16) is arranged on the side edge of the test box (1), a platinum resistor (11) is arranged on the inner side of the test cavity (2), and the driving motor (4), the heater (9) and the platinum resistor (11) are all electrically connected with the control chamber (16).

5. The horizontal air supply high-temperature test chamber according to claim 4, wherein: the rear side of proof box (1) is opened and is equipped with the access hole, and access hole and proof box (1) internal line way intercommunication, the rear side of control room (16) is provided with detachable access panel (17), and access panel (17) are gone up access hole with proof box (1) and are sealed.

6. The horizontal air supply high-temperature test chamber as claimed in claim 5, wherein: the rear side of the test box (1) is provided with a test port (18), and the test port (18) is communicated with the interior of the test cavity (2).