CN203965299U - A kind of heat aging test chamber - Google Patents
A kind of heat aging test chamber Download PDFInfo
- Publication number
- CN203965299U CN203965299U CN201420405751.7U CN201420405751U CN203965299U CN 203965299 U CN203965299 U CN 203965299U CN 201420405751 U CN201420405751 U CN 201420405751U CN 203965299 U CN203965299 U CN 203965299U
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- Prior art keywords
- heating chamber
- test cavity
- test
- air
- heat aging
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Abstract
The utility model discloses a kind of heat aging test chamber, it comprises frame, heating chamber with heat-insulation layer and control box, described heating chamber is arranged at the top of described frame, on the inwall of described heating chamber, be provided with well heater and heat exchanger, and in described heating chamber, be provided with the test cavity of at least one and heating chamber sealing, the top of described test cavity is provided with suspension web plate, the open top end of described test cavity is provided with the insulation cover that has air hole, and the bottom of described test cavity is provided with air-flow agitation blades, described air-flow agitation blades is installed in rotating shaft, described rotating shaft connects vane drive reductor by transmission component, the place of bottom centre of described heating chamber is provided with circulating fan, described circulating fan is driven by circulating fan motor, in described test cavity and heating chamber, be provided with temperature sensor, described temperature sensor is electrically connected with control box.Above-mentioned heat aging test chamber can be measured the heat aging performance of workpiece exactly, has improved the testing standard of test piece simultaneously.
Description
Technical field
The utility model relates to a kind of test unit, relates in particular to a kind of heat aging test chamber.
Background technology
Heat aging test chamber formal name used at school " ventilation type aging test chamber ", be applicable to the heat-resistance test of insulating material, the ventilation aging test of electronic accessory parts, plasticizing product, examination and judge the adaptability that it store and use under high ambient conditions, sample aging its performance of rear mensuration give comparison with the performance of unaged sample in the air of simulating under high temperature and atmospheric pressure.
Existing heat aging test chamber mostly adopts sample is placed in chamber, and the air of heating enters by bottom the testing surface of flowing through in chamber, reaches the object to sample heat aging.The chamber of this kind of structure exists following shortcoming: 1) the local temperature difference in chamber is relatively large, 2) in chamber, local ventilation volume is also inconsistent.And most important two factors that affect thermal aging test effect are exactly temperature and ventilation volume.Therefore above-mentioned shortcoming inevitably causes existing heat aging test chamber cannot determine exactly the heat aging performance of sample.
Utility model content
The purpose of this utility model is to provide a kind of heat aging test chamber, and it can determine the heat aging performance of sample exactly, to solve the problems referred to above that in prior art, heat aging test chamber exists.
For reaching this object, the utility model by the following technical solutions:
A kind of heat aging test chamber, it comprises frame, heating chamber with heat-insulation layer and control box, wherein, described heating chamber is arranged at the top of described frame, on the inwall of described heating chamber, be provided with well heater and heat exchanger, described well heater is arranged at the inner side of described heat exchanger, and in described heating chamber, be provided with the test cavity of at least one and heating chamber sealing, external compression air is sent in test cavity from the bottom of test cavity enter heat exchanger preheating after flowmeter after, the top of described test cavity is provided with the suspension web plate for hanging test workpiece, the open top end of described test cavity is provided with the insulation cover that offers air hole, and the bottom of described test cavity is provided with air-flow agitation blades, described air-flow agitation blades is installed in rotating shaft, described rotating shaft connects vane drive reducing motor by transmission component, the place of bottom centre of described heating chamber is provided with for making to heat the uniform circulating fan of indoor air temperature, described circulating fan is driven by circulating fan motor, in described test cavity and heating chamber, be provided with temperature sensor, described temperature sensor is electrically connected with control box.
Especially, described frame be vertically provided with outward corresponding test cavity number for measuring the glass rotameter of amount of fresh air in corresponding test cavity, one end of described glass rotameter is connected with heat exchanger, the other end is connected with extraneous compressed air source, and external compression air is sent in test cavity after glass rotameter, heat exchanger preheating.
Especially, the number that arranges of described test cavity is four, and described vane drive reducing motor drives the air-flow agitation blades in described four test cavities synchronously to rotate by transmission component.
Especially, on the control panel of described control box, be provided with power switch, temperature control instrument and Yi Ge tetra-road monitoring temperature instrument, described temperature control instrument is electrically connected with the temperature sensor in heating chamber, and described four road monitoring temperature instrument are electrically connected with the temperature sensor in corresponding test cavity.
Especially, described transmission component comprises the driving wheel being assemblied on vane drive reducing motor output shaft and the power wheel that is installed on four rotating shafts bottoms, and described driving wheel is connected with four power wheel synchrodrive by Timing Belt.
Especially, described suspension web plate adopts grid sheet metal.
Especially, the bottom of described frame is provided with and is convenient to the universal wheel with locating device that whole chamber is moved.
Especially, described well heater adopts electric heating tube, and described heat exchanger adopts tube exchanger.
The beneficial effects of the utility model are, compared with prior art described heat aging test chamber is provided with the test cavity that several and heating chamber separate in heating chamber, external compression air is sent in test cavity by the bottom from test cavity after heat exchanger preheating after flowmeter, can accurately control the ventilation volume in each sample Heat Ageing, and the bottom of each test cavity arranges air-flow agitation blades, the air-flow agitation blades of each test cavity is synchronously driven by drive unit, so that the temperature in each test cavity is relatively consistent, so just can give relatively consistent thermal aging test environment of sample, accuracy and the consistance of sample thermal aging test are ensured.
Brief description of the drawings
Fig. 1 is the structural representation of the heat aging test chamber that provides of the utility model embodiment 1.
In figure:
1, frame; 2, control box; 3, power switch; 4, temperature control instrument; 5, monitoring temperature instrument; 6, control switch; 7, adiabator layer; 8, heating chamber; 9, well heater; 10, heat exchanger; 11, test cavity; 12, hang web plate; 13, insulation cover; 14, air-flow agitation blades; 15, rotating shaft; 16, power wheel; 17, Timing Belt; 18, vane drive reductor; 19, driving wheel; 20, circulating fan; 21, circulating fan motor; 22, glass rotameter; 23, universal wheel.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Refer to shown in Fig. 1, Fig. 1 is the structural representation of the heat aging test chamber that provides of the utility model embodiment 1.
In the present embodiment, a kind of heat aging test chamber comprises frame 1 and control box 2, described control box 2 is arranged at a side of frame 1, is provided with power switch 3, temperature control instrument 4, Yi Ge tetra-road monitoring temperature instrument 5 and control switches 6 on the control panel of described control box 2.The top of described frame 1 is provided with the heating chamber 8 of tool adiabator layer 7, described adiabator layer 7 adopts alumina silicate blanket, on the inwall of described heating chamber 8, be provided with well heater 9 and heat exchanger 10, described well heater 9 is positioned at the inner side of heat exchanger 10, described well heater 9 adopts electric heating tube, and described heat exchanger 10 adopts tube exchanger.In described heating chamber 8, be provided with four test cavities 11 that seal with heating chamber 8, in described test cavity 11, be provided with the suspension web plate 12 for hanging test workpiece, described suspension web plate 12 adopts grid sheet metal, and the open top end of described test cavity 11 is provided with the insulation cover 13 that offers air hole.
The bottom of described four test cavities 11 is provided with the air-flow agitation blades 14 for making the control uniformity of temperature profile in test cavity 11, described air-flow agitation blades 14 is installed on one end of rotating shaft 15, the other end of described rotating shaft 15 is rotatably installed in frame by bearing and bearing seat, described rotating shaft 15 seals by O-ring seal and test cavity 11, so that test cavity 11 and heating chamber 8 and extraneous sealing, in four rotating shafts 15, power wheel 16 is all installed, described power wheel 16 is connected with driving wheel 19 synchrodrive on vane drive reductor 18 output shafts by Timing Belt 17.
The place of bottom centre of described heating chamber 8 is provided with for making to heat the uniform circulating fan 20 of room air, described circulating fan 20 connects circulating fan motor 21, described frame 1 is outer be vertically provided with corresponding test cavity number for measuring the glass rotameter 22 of amount of fresh air in corresponding test cavity, one end of described glass rotameter 22 is connected with heat exchanger 10, the other end is connected with external compression air source of the gas, and external compression air is sent in test cavity 11 enter heat exchanger 10 preheatings after glass rotameter 22 after.In described test cavity 11 and heating chamber 8, be provided with temperature sensor, described temperature control instrument 4 is electrically connected with the temperature sensor in heating chamber 8, and described four road monitoring temperature instrument 5 are electrically connected with the temperature sensor in corresponding test cavity 11.
The bottom of described frame 1 is provided with is convenient to the universal wheel with locating device 23 that whole chamber is moved.
Above embodiment has just set forth ultimate principle of the present utility model and characteristic; the utility model is not limited by above-mentioned example; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various variations and change, and these variations and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. a heat aging test chamber, it comprises frame, heating chamber with heat-insulation layer and control box, it is characterized in that, described heating chamber is arranged at the top of described frame, on the inwall of described heating chamber, be provided with well heater and heat exchanger, described well heater is arranged at the inner side of described heat exchanger, and in described heating chamber, be provided with the test cavity of at least one and heating chamber sealing, external compression air enters heat exchanger preheating and sends in test cavity from the bottom of test cavity after flowmeter, the top of described test cavity is provided with the suspension web plate for hanging test workpiece, the open top end of described test cavity is provided with the insulation cover that offers air hole, and the bottom of described test cavity is provided with air-flow agitation blades, described air-flow agitation blades is installed in rotating shaft, described rotating shaft connects vane drive reducing motor by transmission component, the place of bottom centre of described heating chamber is provided with for making to heat the uniform circulating fan of indoor air temperature, described circulating fan is driven by circulating fan motor, in described test cavity and heating chamber, be provided with temperature sensor, described temperature sensor is electrically connected with control box.
2. heat aging test chamber according to claim 1, it is characterized in that, described frame be vertically provided with outward corresponding test cavity number for measuring the glass rotameter of amount of fresh air in corresponding test cavity, one end of described glass rotameter is connected with heat exchanger, the other end is connected with extraneous compressed air source, and external compression air is sent in test cavity after glass rotameter, heat exchanger preheating.
3. heat aging test chamber according to claim 1 and 2, is characterized in that, the number that arranges of described test cavity is four, and described vane drive reducing motor drives the air-flow agitation blades in described four test cavities synchronously to rotate by transmission component.
4. heat aging test chamber according to claim 3, it is characterized in that, on the control panel of described control box, be provided with power switch, temperature control instrument and Yi Ge tetra-road monitoring temperature instrument, described temperature control instrument is electrically connected with the temperature sensor in heating chamber, and described four road monitoring temperature instrument are electrically connected with the temperature sensor in corresponding test cavity.
5. heat aging test chamber according to claim 3, it is characterized in that, described transmission component comprises the driving wheel being assemblied on vane drive reducing motor output shaft and the power wheel that is installed on four rotating shafts bottoms, and described driving wheel is connected with four power wheel synchrodrive by Timing Belt.
6. heat aging test chamber according to claim 1, is characterized in that, described suspension web plate adopts grid sheet metal.
7. heat aging test chamber according to claim 1, is characterized in that, the bottom of described frame is provided with is convenient to the universal wheel with locating device that whole chamber is moved.
8. heat aging test chamber according to claim 1, is characterized in that, described well heater adopts electric heating tube, and described heat exchanger adopts tube exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405751.7U CN203965299U (en) | 2014-07-22 | 2014-07-22 | A kind of heat aging test chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405751.7U CN203965299U (en) | 2014-07-22 | 2014-07-22 | A kind of heat aging test chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965299U true CN203965299U (en) | 2014-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420405751.7U Withdrawn - After Issue CN203965299U (en) | 2014-07-22 | 2014-07-22 | A kind of heat aging test chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203965299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089873A (en) * | 2014-07-22 | 2014-10-08 | 常熟市环境试验设备有限公司 | Heat aging test box |
-
2014
- 2014-07-22 CN CN201420405751.7U patent/CN203965299U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089873A (en) * | 2014-07-22 | 2014-10-08 | 常熟市环境试验设备有限公司 | Heat aging test box |
| CN104089873B (en) * | 2014-07-22 | 2016-09-14 | 常熟市环境试验设备有限公司 | A kind of heat aging test chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |