CN202166432U - Air supply structure of high-temperature test box - Google Patents
Air supply structure of high-temperature test box Download PDFInfo
- Publication number
- CN202166432U CN202166432U CN2011202559765U CN201120255976U CN202166432U CN 202166432 U CN202166432 U CN 202166432U CN 2011202559765 U CN2011202559765 U CN 2011202559765U CN 201120255976 U CN201120255976 U CN 201120255976U CN 202166432 U CN202166432 U CN 202166432U
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- air
- temperature test
- temperature
- air channel
- circulating fan
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Abstract
The utility model discloses an air supply structure of a high-temperature test box. The air supply structure in the utility model includes a high-temperature test box. An air channel of the high-temperature box is arranged in a rear part of a working chamber. A circulating fan is installed on an upper part of the air channel. A heater is installed in a middle part of the air channel. An air regulating grid is arranged in an air outlet of the circulating fan. Grid plates of the air regulating grid are arranged in a radial manner. After the high-temperature test box is electrified, hot air heated by the heater in the air channel rises and is sent to the working chamber through the grid plates arranged in the radial manner in the air outlet of the circulating fan disposed in the upper part of the air channel. At the same time, hot air produced by the heater is mixed evenly and fully in the circulating fan. Thus, the influence of the uneven heating of the heater itself can also be avoided, thereby making the temperature in the working chamber uniform and guaranteeing that the temperature field of the working chamber of the high-temperature test box meets performance requirements of product testing.
Description
Technical field
The utility model belongs to the testing apparatus technical field, relates to product high temperature test equipment, is specifically related to a kind of high-temperature test chamber air-supply structure.
Background technology
Existing high-temperature test chamber is as shown in Figure 1, and the air channel 2 of high-temperature test chamber 1 places the below of hot operation chamber 3, and circulating fan 4 is in the left side, and well heater 5 is contained in the right side.The wind that circulating fan 4 blows out is through well heater 5; The heat that well heater 5 is produced is sent into the passage on 3 right sides, operating room; The space that gets into operating room 3 by the orifice plate on 3 right sides, operating room again is used for test products, is got in the air channel 2 of high-temperature test chamber 1 and is formed circulation by operating room's 3 orifice plates left channel of flowing through then.Get into the passage on 3 right sides, operating room when hot-air after, most hot-air is up walked, and is stopped by the top board of 3 tops, operating room to change the orifice plate entering operating room of direction by 3 right sides, operating room; The hot-air of fraction then gets into operating room 3 by the middle part and the bottom of orifice plate; Thereby cause the temperature of 3 tops, operating room and middle part and bottom different; Top is owing to have a large amount of hot-airs through making temperature drift, and middle part and bottom are because less hot-air process makes temperature on the low side.Make that the temperature field of operating room 3 is inhomogeneous, thereby influence the accuracy of product test.
The utility model content
The purpose of the utility model is that temperature is unbalanced up and down in order to remedy the operating room that has the existence of high-temperature test chamber ducting system now; Influence the defective of product test effect; A kind of high-temperature test chamber air channel arrangement is provided; Change the high-temperature test chamber operating room unbalanced phenomenon of temperature up and down, solved the problems referred to above that existing high-temperature test chamber exists effectively.
The technical scheme that the utility model adopted is; A kind of high-temperature test chamber air-supply structure; Comprise high-temperature test chamber, the rear portion of operating room is located in the air channel of described high-temperature test chamber, and circulating fan is contained in the top in air channel; Well heater is installed the middle part that is arranged at the air channel, and the air outlet place of said circulating fan is provided with the accent air grid.
The utility model high-temperature test chamber air-supply structure; Improve the ducting system of existing high-temperature test chamber, the air channel is placed the rear portion of operating room, circulating fan is contained in the top in air channel; Heater cartridge is at air channel middle part, and sets up the accent air grid at the air outlet place of circulating fan.After the energising of the utility model high-temperature test chamber; Well heater institute heated hot air heated rises in the air channel; The circulating fan on the top through the air channel is sent in the operating room through the accent air grid at air outlet place, and the hot-air that produces of well heater fully mixes in circulating fan inside simultaneously, has avoided the influence of heating element heating inequality itself; Temperature is even everywhere to make the operating room, has guaranteed that the temperature field of high-temperature test chamber operating room meets the performance requirement of product test.
Description of drawings
Fig. 1 is existing high-temperature test chamber air-supply structure synoptic diagram;
Fig. 2 is the utility model high-temperature test chamber air-supply structure synoptic diagram.
Among the figure, 1. high-temperature test chamber, 2. air channel, 3. operating room, 4. circulating fan, 5. well heater is 6. transferred air grid.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
A kind of high-temperature test chamber air-supply structure; As shown in Figure 2; Comprise high-temperature test chamber 1, the rear portion of operating room 3 is located in the air channel 2 of described high-temperature test chamber 1, and circulating fan 4 is contained in the top in air channel 2; Well heater 5 is installed the middle part that is arranged at air channel 2, and the air outlet place of said circulating fan 4 is provided with and transfers air grid 6.
The utility model high-temperature test chamber air-supply structure; Air channel 2 is placed the rear portion of high-temperature test chamber 1 operating room 3; Circulating fan 4 is contained in the top in air channel 2, and well heater 5 is contained in 2 middle parts, air channel, and sets up the accent air grid 6 that leads to operating room 3 at the air outlet place of circulating fan 4.After the energising of the utility model high-temperature test chamber; 5 heated hot air heated of well heater rise in the air channel 2; The circulating fan 4 on the top through air channel 2 is sent into operating room 3 through the accent air grid 6 at air outlet place; Simultaneously the hot-air that produces of well heater 5 fully mixes in circulating fan 4 inside, has avoided the uneven influences of heating element 5 heating itself, makes that high-temperature temperature is even in the operating room 3 everywhere; The product of having guaranteed to insert high-temperature test chamber operating room 3 is in the temperature field of the performance requirement that meets product test to be tested, and the accuracy of product test has obtained reliable assurance.
Above-mentioned embodiment is an instance of the utility model; Not enforcement and the interest field that is used for limiting the utility model; All equivalences of making according to the described content of the utility model patent protection scope change and modify, and all should be included in the utility model claim.
Claims (1)
1. high-temperature test chamber air-supply structure; Comprise high-temperature test chamber (1); It is characterized in that the rear portion of operating room (3) is located in the air channel (2) of described high-temperature test chamber (1), circulating fan (4) is contained in the top of air channel (2); Well heater (5) is installed the middle part that is arranged at air channel (2), and the air outlet place of said circulating fan (4) is provided with and transfers air grid (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202559765U CN202166432U (en) | 2011-07-19 | 2011-07-19 | Air supply structure of high-temperature test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202559765U CN202166432U (en) | 2011-07-19 | 2011-07-19 | Air supply structure of high-temperature test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202166432U true CN202166432U (en) | 2012-03-14 |
Family
ID=45802251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202559765U Expired - Fee Related CN202166432U (en) | 2011-07-19 | 2011-07-19 | Air supply structure of high-temperature test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202166432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228511A (en) * | 2022-06-13 | 2022-10-25 | 广东众志检测仪器有限公司 | Rapid temperature change method of ultralow temperature test box |
-
2011
- 2011-07-19 CN CN2011202559765U patent/CN202166432U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228511A (en) * | 2022-06-13 | 2022-10-25 | 广东众志检测仪器有限公司 | Rapid temperature change method of ultralow temperature test box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20150719 |
|
| EXPY | Termination of patent right or utility model |