CN114264983A - High-low temperature environment simulation test box - Google Patents
High-low temperature environment simulation test box Download PDFInfo
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- CN114264983A CN114264983A CN202111594667.5A CN202111594667A CN114264983A CN 114264983 A CN114264983 A CN 114264983A CN 202111594667 A CN202111594667 A CN 202111594667A CN 114264983 A CN114264983 A CN 114264983A
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Abstract
The invention belongs to the technical field of drop-out fuse testing, and particularly relates to a high-low temperature environment simulation test box which comprises a base, wherein a heater, a refrigerator and a simulation box are sequentially fixed on the outer wall of the top of the base, a placing plate is connected in the simulation box through an intermittent reciprocating mechanism, a heat dissipation mechanism is arranged on the simulation box, and the heat dissipation mechanism comprises a driving assembly and heat dissipation assemblies distributed at equal intervals. The intermittent reciprocating mechanism is arranged, the placing plate is made to perform intermittent reciprocating motion in the simulation box, the drop-out fuse arranged on the placing plate can be dynamically tested, the test can be performed in environments with different heights, and the accuracy of an experimental result is improved; be provided with heat dissipation mechanism, can drive all radiator unit through drive assembly simultaneously and carry out the work of dispelling the heat, can carry out quick high-efficient cooling after high temperature environment test is accomplished like this for the refrigeration that the refrigerator can be quick reaches low temperature environment, has improved experimental progress and efficiency.
Description
Technical Field
The invention relates to the technical field of drop-out fuse testing, in particular to a high-low temperature environment simulation test box.
Background
The drop-out fuse is used as widely-applied outdoor power equipment, is directly exposed to various adverse environmental factors, and is easy to have defects including ablation of a fuse carrier contact, incapability of normally dropping the fuse carrier, and cracking and breaking of a porcelain insulator after long-term operation. The drop-out fuse is often required to be placed in a simulation test box to be tested in high and low temperature environments.
However, the existing high-low temperature environment simulation test box has the following defects: on one hand, the existing high-low temperature environment simulation test box cannot dissipate heat in time after high-temperature test is finished, so that the refrigerator cannot rapidly refrigerate to reach a low-temperature environment, and the test progress and efficiency are reduced; on the other hand, the drop-out fuse of the existing high-low temperature environment simulation test box is always in a standing state after being placed, and dynamic test cannot be performed, so that the accuracy of an experimental result is reduced. Therefore, an improved high-low temperature environment simulation test box is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-low temperature environment simulation test box.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high low temperature environment analogue test case, includes the base, the top outer wall of base is fixed with heater, refrigerator and simulation case in proper order, and is connected with through intermittent type nature reciprocating mechanism in the simulation case and places the board, be equipped with heat dissipation mechanism on the simulation case, and heat dissipation mechanism includes drive assembly and the radiator unit that the equidistance distributes.
Preferably, the intermittent reciprocating mechanism comprises a servo motor fixed on the outer wall of the top of the base, an intermittent gear sleeved on an output shaft of the servo motor, a lead screw, a transmission gear sleeved on the lead screw and a limiting column fixed on the inner wall of the bottom of the simulation box.
Preferably, the lead screw is respectively connected with the top inner wall and the bottom inner wall of the simulation box through two bearings, and the intermittent gear is meshed with the transmission gear.
Preferably, threaded holes and limiting holes are sequentially formed in the placing plate, the threaded holes are in threaded connection with the lead screws, and the inner walls of the limiting holes are in sliding connection with the outer walls of the limiting columns.
Preferably, the heat dissipation assembly comprises a convection hole formed in the back face of the simulation box, a mounting frame fixed on the inner wall of the convection hole, a transmission shaft in through connection with the central inner wall of the mounting frame through a bearing, a worm wheel sleeved on the transmission shaft and located outside the convection hole, and a heat dissipation fan blade sleeved on the transmission shaft and located in the convection hole.
Preferably, the driving assembly comprises a driving motor fixed on the outer wall of the upper part of the back of the simulation box and a worm sleeve sleeved on the driving motor and matched and meshed with the worm wheel.
Preferably, the front face of the simulation box is hinged with two symmetrically distributed box doors, and the outer walls of the front faces of the two box doors are fixed with door handles.
The invention has the beneficial effects that:
1. the intermittent reciprocating mechanism is arranged, so that the placing plate can perform intermittent reciprocating motion in the simulation box, dynamic testing can be performed on the drop-out fuse arranged on the placing plate, testing can be performed under environments with different heights, and the accuracy of an experimental result is improved;
2. be provided with heat dissipation mechanism, can drive all radiator unit through drive assembly simultaneously and carry out the work of dispelling the heat, can carry out quick high-efficient cooling after high temperature environment test is accomplished like this for the refrigeration that the refrigerator can be quick reaches low temperature environment, thereby has improved experimental progress and efficiency.
Drawings
Fig. 1 is a schematic front perspective view of a high-low temperature environment simulation test chamber according to the present invention;
FIG. 2 is a schematic diagram of a back side three-dimensional structure of a high-low temperature environment simulation test chamber according to the present invention;
FIG. 3 is a schematic diagram of a three-dimensional enlarged structure of a part of parts in a simulation test chamber for high and low temperature environments according to the present invention;
fig. 4 is an enlarged perspective view of a portion a in fig. 2.
In the figure: the refrigerator comprises a base 1, a heater 2, a refrigerator 3, a simulation box 4, a placing plate 5, a servo motor 6, an intermittent gear 7, a lead screw 8, a transmission gear 9, a limiting column 10, convection holes 11, a mounting rack 12, a transmission shaft 13, a worm wheel 14, heat dissipation fan blades 15, a driving motor 16, a worm sleeve 17 and a refrigerator door 18.
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.
the intermittent reciprocating mechanism is specifically composed of a servo motor 6 installed on the outer wall of the top of the base 1 through a bolt, an intermittent gear 7 coaxially fixedly sleeved on an output shaft of the servo motor 6, a lead screw 8 respectively connected with the inner wall of the top and the inner wall of the bottom of the simulation box 4 through two bearings, a transmission gear 9 coaxially and fixedly sleeved on the lead screw 8 and a limiting column 10 welded on the inner wall of the bottom of the simulation box 4, and more specifically, the intermittent gear 7 is meshed with the transmission gear 9, the intermittent gear 7 is of a special structure with a large half tooth surface and a small half smooth surface, a threaded hole and a limiting hole are sequentially formed in the placing plate 5, the threaded hole is in threaded connection with the lead screw 8, the inner wall of the limiting hole is in sliding connection with the outer wall of the limiting column 10, the servo motor 6 is connected with a reversing switch through a lead, and the reversing switch is connected with a power line;
in this embodiment, be provided with intermittent type nature reciprocating mechanism, through letting place board 5 and be intermittent type nature reciprocating motion in simulation case 4, can carry out dynamic test to placing the drop out fuse on placing board 5, can test under the not co-altitude environment, improved the precision of experimental result.
the heat dissipation mechanism is composed of a driving assembly and heat dissipation assemblies distributed at equal intervals, and the heat dissipation assemblies are composed of convection holes 11 formed in the back face of the simulation box 4, an installation frame 12 welded on the inner wall of the convection holes 11, a transmission shaft 13 in penetrating connection with the central inner wall of the installation frame 12 through a bearing, a worm wheel 14 coaxially fixedly sleeved on the transmission shaft 13 and positioned outside the convection holes 11, and heat dissipation fan blades 15 coaxially fixedly sleeved on the transmission shaft 13 and positioned in the convection holes 11;
the driving assembly is composed of a driving motor 16 which is arranged on the outer wall of the upper part of the back surface of the simulation box 4 through a bolt and a worm sleeve 17 which is coaxially fixedly sleeved on the driving motor 16 and is matched and meshed with the worm wheel 14;
the front surface of the simulation box 4 is hinged with two symmetrically distributed box doors 18, the outer walls of the front surfaces of the two box doors 18 are fixed with door handles, and the box doors 18 are made of transparent materials, so that experimenters can conveniently observe the conditions inside the simulation box 4;
in this embodiment, be provided with heat dissipation mechanism, can drive all radiator unit simultaneously through drive assembly and carry out the work of dispelling the heat, can carry out quick high-efficient cooling after high temperature environment test is accomplished like this for refrigeration that refrigerator 3 can be quick reachs low temperature environment, thereby has improved experimental progress and efficiency.
The method comprises the following specific operation steps: the first step, the drop-out fuse is stably placed on the placing plate 5, the upper box door 18 is closed, and then the heater 2 is started to heat the drop-out fuse, so that the simulation box 4 is in a high-temperature environment;
secondly, the servo motor 6 drives the intermittent gear 7 to rotate, and due to the characteristics of the intermittent gear 7, the transmission gear 9 meshed with the intermittent gear drives the screw rod 8 to intermittently rotate, so that the placing plate 5 intermittently reciprocates under the limiting of the limiting column 10, and a more sufficient basis is provided for an experiment;
and thirdly, after the test is carried out in a high-temperature environment, all the worm sleeves 17 are driven to rotate by the driving motor 16, all the worm gears 14 are further driven to rotate all the transmission shafts 13, all the heat dissipation fan blades 15 are finally rotated to carry out efficient heat dissipation, the refrigerator 3 can rapidly refrigerate to reach the low-temperature environment, and finally the simulation box 4 is refrigerated by the refrigerator 3 to be in the low-temperature environment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a high low temperature environment analogue test case, includes base (1), its characterized in that, the top outer wall of base (1) is fixed with heater (2), refrigerator (3) and simulation case (4) in proper order, and is connected with through intermittent type nature reciprocating mechanism in simulation case (4) and places board (5), be equipped with heat dissipation mechanism on simulation case (4), and heat dissipation mechanism includes drive assembly and the radiator unit that the equidistance distributes.
2. The high and low temperature environment simulation test box according to claim 1, wherein the intermittent reciprocating mechanism comprises a servo motor (6) fixed on the outer wall of the top of the base (1), an intermittent gear (7) sleeved on an output shaft of the servo motor (6), a lead screw (8), a transmission gear (9) sleeved on the lead screw (8) and a limit column (10) fixed on the inner wall of the bottom of the simulation box (4).
3. The high and low temperature environment simulation test box according to claim 2, wherein the screw rod (8) is connected with the top inner wall and the bottom inner wall of the simulation box (4) through two bearings respectively, and the intermittent gear (7) is meshed with the transmission gear (9).
4. The high and low temperature environment simulation test box according to claim 1, wherein the placing plate (5) is sequentially provided with a threaded hole and a limiting hole, the threaded hole is in threaded connection with the screw rod (8), and the inner wall of the limiting hole is in sliding connection with the outer wall of the limiting column (10).
5. The high and low temperature environment simulation test box according to claim 1, wherein the heat dissipation assembly comprises a convection hole (11) formed in the back of the simulation box (4), a mounting frame (12) fixed on the inner wall of the convection hole (11), a transmission shaft (13) in through connection with the central inner wall of the mounting frame (12) through a bearing, a worm wheel (14) sleeved on the transmission shaft (13) and located outside the convection hole (11), and heat dissipation fan blades (15) sleeved on the transmission shaft (13) and located in the convection hole (11).
6. The high and low temperature environment simulation test box according to claim 1, wherein the driving assembly comprises a driving motor (16) fixed on the outer wall of the upper part of the back surface of the simulation box (4) and a worm sleeve (17) sleeved on the driving motor (16) and matched and meshed with the worm wheel (14).
7. The high and low temperature environment simulation test box according to claim 1, wherein the front surface of the simulation box (4) is hinged with two symmetrically distributed box doors (18), and the outer wall of the front surface of each of the two box doors (18) is fixed with a door handle.
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| CN202111594667.5A CN114264983B (en) | 2021-12-24 | 2021-12-24 | High low temperature environment simulation test case |
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| CN202111594667.5A CN114264983B (en) | 2021-12-24 | 2021-12-24 | High low temperature environment simulation test case |
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| CN114264983B CN114264983B (en) | 2023-09-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115639005A (en) * | 2022-11-04 | 2023-01-24 | 湖南国梦科技有限公司 | Environment simulation device for testing brushless motor |
| CN117705358A (en) * | 2024-02-05 | 2024-03-15 | 青岛积成电子股份有限公司 | Ultrasonic gas meter tightness detection equipment and application method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115639005A (en) * | 2022-11-04 | 2023-01-24 | 湖南国梦科技有限公司 | Environment simulation device for testing brushless motor |
| CN115639005B (en) * | 2022-11-04 | 2023-05-12 | 湖南国梦科技有限公司 | Environment simulation device for brushless motor test |
| CN117705358A (en) * | 2024-02-05 | 2024-03-15 | 青岛积成电子股份有限公司 | Ultrasonic gas meter tightness detection equipment and application method thereof |
| CN117705358B (en) * | 2024-02-05 | 2024-04-16 | 青岛积成电子股份有限公司 | Ultrasonic gas meter tightness detection equipment and application method thereof |
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