CN102486338A - Hot air internal recycling high-temperature ageing room - Google Patents
Hot air internal recycling high-temperature ageing room Download PDFInfo
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- CN102486338A CN102486338A CN2010105747520A CN201010574752A CN102486338A CN 102486338 A CN102486338 A CN 102486338A CN 2010105747520 A CN2010105747520 A CN 2010105747520A CN 201010574752 A CN201010574752 A CN 201010574752A CN 102486338 A CN102486338 A CN 102486338A
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Abstract
The invention discloses a hot air internal recycling high-temperature ageing room. The high temperature ageing room comprises an room body enclosed by a thermal segregation wall, a circulating channel which can continually introduce hot air to an ageing region in the ageing room and multiple temperature-detecting devices in a circulate mode, wherein the circulating channel comprises a heating mechanism, a fan, an inlet air channel and an air return channel, wherein the inlet air channel is used for continually introducing hot air after being heated by the heating mechanism into the ageing region through multiple air inlets, and the air return channel is used for absorbing air in the ageing region to the side of the heating mechanism through multiple air return ports under the action of the fan; and the heating mechanism is arranged in the inlet air channel and the fan is arranged in the air return channel, the inlet air channel is positioned right above the air return channel, and the inlet air channel is communicated with the inlet air channel through a vertical connecting pipe. The high temperature ageing room provided by the invention has the advantages of simple structure, is easy to operate, low in cost and has good using effect, and is convenience to realize; and can be used for effectively solving a temperature maldistribution problem in the ageing region through adjusting a heating state and shutter states of an air inlet and an air return port.
Description
Technical field
The present invention relates to a kind of high temperature ageing room, especially relate to cyclic high-temperature burn-in chamber in a kind of hot blast.
Background technology
Burn-in chamber; Cry again and burn machine room; Be the equipment that simulates a kind of high temperature, abominable test environment to high-performance electronic product (as: computer complete machine, display, terminating machine, auto electronic product, power supply unit, motherboard, monitor and switch type charger etc.); Be the important experimental equipment that improves product stability, reliability, this equipment has been widely used in fields such as power supply electronic, computer, communication, bio-pharmaceuticals.The high low temperature degradation of electronic product is to get rid of electronic product initial failure, the necessary means of control product quality.The uniformity of Temperature Distribution is the important technology index of burn-in chamber in the burn-in chamber, with directly influencing the aging result who is placed on electronic product in the different burn-in chambers zone.At present; The employed electronic product burn-in chamber of domestic a lot of enterprise; Its temperature control system often only detects in the burn-in chamber certain any temperature, thereby exists former burn-in chamber single-point monitor temperature to cause aging regional temperature skewness, air channel to be installed in the outdoor practical problems such as construction is inconvenient, production cost is high, aging effect is undesirable that cause in the actual use.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned deficiency of the prior art; Cyclic high-temperature burn-in chamber in a kind of hot blast is provided; It is simple in structure, laying is convenient, use is easy and simple to handle and result of use is good, can monitor multi-point temp in the burn-in chamber simultaneously, through adjusting heat the state of mechanism and advance, the shutter state of return-air mouth; The even problem of temperature distributing disproportionation in the aging zone be can effectively solve, difficulty of construction and production cost reduced simultaneously to a certain extent.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: cyclic high-temperature burn-in chamber in a kind of hot blast; It is characterized in that: comprise a plurality of temperature-detecting devices by hot divider wall surrounds and the burn-in chamber room body of inner sealing, circulation are constantly sent into the circulation canal of hot blast and respectively many places temperature in the aging zone detected in real time in the aging zone in burn-in chamber room body; Said circulation canal and a plurality of said temperature-detecting device all are laid in the burn-in chamber room body, and a plurality of said temperature-detecting device evenly is laid in the said burn-in chamber room body; Said circulation canal comprises and is laid in the heating mechanism, be laid in the blower fan that heats under the mechanism of upper center in the said burn-in chamber room body, will heats hot-air after the mechanism heats through a plurality of air inlets and successively send into the air intake passage in the aging zone and under the effect of blower fan, be drawn to continuously and heat the return air channel that all sides of mechanism heat through will wear out air in the zone of a plurality of return air inlets; The said mechanism that heats is laid in the air intake passage and blower fan is laid in the return air channel, air intake passage directly over the return air channel and between the two through vertically in being laid in said burn-in chamber room body the connection pipeline of upper center be communicated with; A plurality of said air inlets are installed on the air intake passage and air intake passage and a plurality of said air inlet all are laid in said burn-in chamber room body inside upper part; A plurality of said return air inlets are installed on the return air channel and a plurality of said return air inlet all is laid in said burn-in chamber room body lower inside; Said air intake passage and a plurality of air inlet all are positioned at the return air channel top, and a plurality of said air inlets and a plurality of said return air inlet evenly are laid in the said burn-in chamber room body.
Cyclic high-temperature burn-in chamber in above-mentioned a kind of hot blast is characterized in that: a plurality of said air inlets all be level to lay and its opening all vertically down, a plurality of said return air inlets all are vertically to laying and the equal body middle inside towards said burn-in chamber room of its opening.
Cyclic high-temperature burn-in chamber in above-mentioned a kind of hot blast; It is characterized in that: the I-shaped passage one of said air intake passage for forming by a vertical duct one and two horizontal pipelines one joining with vertical duct one rear and front end respectively; Said I-shaped passage one level is to being laid in said burn-in chamber room body inside upper part; The quantity of said air inlet is four, and four air inlets are installed in the left and right end portions of two said horizontal pipelines one respectively.
Cyclic high-temperature burn-in chamber in above-mentioned a kind of hot blast; It is characterized in that: said return air channel comprises the I-shaped passage two be made up of a vertical duct two and two horizontal pipelines two joining with vertical duct two rear and front ends respectively and joins with said vertical duct two middle parts and extend the horizontal pipeline three of said burn-in chamber room body inside back; Said I-shaped passage two and horizontal pipeline three average levels are to being laid in the inboard middle and upper part of said burn-in chamber room body and all being laid in said I-shaped passage one below; The quantity of said return air inlet is five, and five return air inlets are installed in the outer end of said horizontal pipeline three and the right ends portion of two said horizontal pipelines two through vertical connecting leg respectively.
Cyclic high-temperature burn-in chamber in above-mentioned a kind of hot blast is characterized in that: said burn-in chamber room body be shaped as cube, and the right ends portion of two said horizontal pipelines two extends four interior angle places of said burn-in chamber room body respectively.
Cyclic high-temperature burn-in chamber in above-mentioned a kind of hot blast, it is characterized in that: said temperature-detecting device is a thermocouple.
Cyclic high-temperature burn-in chamber in above-mentioned a kind of hot blast, it is characterized in that: the quantity of said thermocouple is 6, and 6 thermocouples divide two rows evenly to be laid in the said burn-in chamber room body.
Cyclic high-temperature burn-in chamber in above-mentioned a kind of hot blast is characterized in that: be provided with the adjustable shutter of setting angle on said air inlet and the return air inlet.
The present invention compared with prior art has the following advantages:
1, simple in structure, cost is low and each assembly is easy for installation.
2, use easy and simple to handle and the realization convenience; Quantity through reasonable Arrangement circulation canal and corresponding increase air inlet, return air inlet and indoor thermoelectric idol; Automatically regulate the angle that air inlet and return air inlet are attend institute's installation shutter, effectively guaranteed the even distributivity of aging regional temperature, and reliable working performance; Guarantee the accuracy of experiment, reduced difficulty of construction and production cost.
3, reliable working performance and result of use are good; The present invention has solved the difficult problem of temperature distributing disproportionation in the burn-in chamber through hot air circulating system; And realized the multiple spot in the aging zone is carried out the purpose of thermometric simultaneously, thereby effectively guaranteed the uniformity of Temperature Distribution in the burn-in chamber.In the actual use; Air in the burn-in chamber gets into return air channel from return air inlet; And along return air channel move and through blower fan with heat mechanism after; Air themperature is raised, and it is indoor to get back to burn-in chamber through air intake passage from air inlet again, has so just realized the whole evenly purpose of heating is carried out in aging zone.In addition; Because a cover hot blast internal circulation system has five return air inlets and four air inlets, each air port evenly distributes at indoor one-tenth symmetrical expression, and the air port has shutter that wind direction is led; Make its area coverage increase greatly, effectively guaranteed the even intensification in aging zone aging zone.Simultaneously, in the hydronic process of room air, be positioned at the temperature that indoor a plurality of thermocouples will be monitored each point, in time grasp the Temperature Distribution situation in aging zone, the inaccurate drawback of the temperature survey of having avoided spot measurement to cause.
In sum; The present invention is simple in structure, laying is convenient, use is easy and simple to handle and result of use is good; Can monitor multi-point temp in the burn-in chamber simultaneously; Through adjusting heat the state of mechanism and advance, the shutter state of return-air mouth, can effectively solve the even problem of temperature distributing disproportionation in the aging zone, reduced difficulty of construction and production cost simultaneously to a certain extent; Can overcome the air channel and be installed in practical problems such as the outdoor construction inconvenience that causes, high production cost, thereby improve the aging result of electronic product greatly.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is an internal structure sketch map of the present invention.
Fig. 2 is a top structure sketch map of the present invention.
Description of reference numerals:
The hot divider wall of 1-; The 2-return air inlet; The 3-return air channel;
The 4-air inlet; The 5-air intake passage; The 6-blower fan;
7-heats mechanism; The 8-thermocouple.
The specific embodiment
Like Fig. 1, shown in Figure 2; The present invention includes a plurality of temperature-detecting devices by hot divider wall 1 surrounds and the burn-in chamber room body of inner sealing, circulation are constantly sent into the circulation canal of hot blast and respectively many places temperature in the aging zone detected in real time in the aging zone in burn-in chamber room body; Said circulation canal and a plurality of said temperature-detecting device all are laid in the burn-in chamber room body, and a plurality of said temperature-detecting device evenly is laid in the said burn-in chamber room body.Said circulation canal comprises and is laid in the heating mechanism 7, be laid in the blower fan 6 that heats under the mechanism 7 of upper center in the said burn-in chamber room body, will heats hot-air after mechanism's 7 heating through a plurality of air inlets 4 and successively send into the air intake passage 5 in the aging zone and under the effect of blower fan 6, be drawn to continuously and heat the return air channel 3 that mechanism's 7 all sides heat through will wear out air in the zone of a plurality of return air inlets 2; The said mechanism 7 that heats is laid in the air intake passage 5 and blower fan 6 is laid in the return air channel 3, air intake passage 5 directly over the return air channel 3 and between the two through vertically in being laid in said burn-in chamber room body the connection pipeline of upper center be communicated with.A plurality of said air inlets 4 are installed on the air intake passage 5 and air intake passage 5 all is laid in said burn-in chamber room body inside upper part with a plurality of said air inlets 4; A plurality of said return air inlets 2 are installed on the return air channel 3 and a plurality of said return air inlet 2 all is laid in said burn-in chamber room body lower inside; Said air intake passage 5 all is positioned at return air channel 3 tops with a plurality of air inlets 4, and a plurality of said air inlets 4 evenly are laid in the said burn-in chamber room body with a plurality of said return air inlets 2.
In the present embodiment, a plurality of said air inlets 4 all be level to lay and its opening all vertically down, a plurality of said return air inlets 2 all are vertically to laying and the equal body middle inside towards said burn-in chamber room of its opening.
In the present embodiment; The I-shaped passage one of said air intake passage 5 for forming by a vertical duct one and two horizontal pipelines one joining with vertical duct one rear and front end respectively; Said I-shaped passage one level is to being laid in said burn-in chamber room body inside upper part; The quantity of said air inlet 4 is four, and four air inlets 4 are installed in the left and right end portions of two said horizontal pipelines one respectively.Said return air channel 3 comprises the I-shaped passage two be made up of a vertical duct two and two horizontal pipelines two joining with vertical duct two rear and front ends respectively and joins with said vertical duct two middle parts and extend the horizontal pipeline three of said burn-in chamber room body inside back; Said I-shaped passage two and horizontal pipeline three average levels are to being laid in the inboard middle and upper part of said burn-in chamber room body and all being laid in said I-shaped passage one below; The quantity of said return air inlet 2 is five, and five return air inlets 2 are installed in the outer end of said horizontal pipeline three and the right ends portion of two said horizontal pipelines two through vertical connecting leg respectively.
In the present embodiment, said burn-in chamber room body be shaped as cube, and the right ends portion of two said horizontal pipelines two extends four interior angle places of said burn-in chamber room body respectively.Said temperature-detecting device is a thermocouple 8.The quantity of said thermocouple 8 is 6, and 8 minutes two rows of 6 thermocouples evenly are laid in the said burn-in chamber room body.
In the actual use, can be according to the concrete needs of reality, the quantity of thermocouple 8, air inlet 4 and return air inlet 2 is adjusted accordingly.In addition, in the present embodiment, be provided with the adjustable shutter of setting angle on said air inlet 4 and the return air inlet 2.
In the actual use, blower fan 6 rotates to the air in the aging zone provides mobilization dynamic, and air is sucked return air inlet 2; After getting into return air channel 3 and process blower fan 6 then; Arrival heats mechanism 7, and air temperature rising under the effect that heats mechanism 7, and the air after the heating continues to move until be expelled to aging zone from air inlet 4 in along air intake passage 5 subsequently; The heat cycles of so going round and beginning again is up to making aging regional temperature reach temperature required.In circulation heating process, to lay the thermocouple 8 of many places in the aging zone and uninterruptedly temperature in the aging zone is measured in real time, thereby realized multi-point equispaced thermometric, whole heating process can effectively guarantee the uniformity that aging regional temperature distributes.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (8)
1. cyclic high-temperature burn-in chamber in the hot blast; It is characterized in that: comprise a plurality of temperature-detecting devices by hot divider wall (1) surrounds and the burn-in chamber room body of inner sealing, circulation are constantly sent into the circulation canal of hot blast and respectively many places temperature in the aging zone detected in real time in the aging zone in burn-in chamber room body; Said circulation canal and a plurality of said temperature-detecting device all are laid in the burn-in chamber room body, and a plurality of said temperature-detecting device evenly is laid in the said burn-in chamber room body; Said circulation canal comprises and is laid in the heating mechanism (7), be laid in the blower fan (6) that heats under the mechanism (7) of upper center in the said burn-in chamber room body, will heats hot-air after mechanism (7) heating through a plurality of air inlets (4) and successively send into the air intake passage (5) in the aging zone and under the effect of blower fan (6), be drawn to continuously and heat the return air channel (3) that all sides of mechanism (7) heat through will wear out air in regional of a plurality of return air inlets (2); The said mechanism (7) that heats is laid in the air intake passage (5) and blower fan (6) is laid in the return air channel (3), air intake passage (5) be positioned at directly over the return air channel (3) and between the two through vertically being communicated with to the connection pipeline that is laid in said burn-in chamber room body upper center; A plurality of said air inlets (4) are installed in that air intake passage (5) is gone up and air intake passage (5) and a plurality of said air inlet (4) all are laid in said burn-in chamber room body inside upper part; A plurality of said return air inlets (2) are installed on the return air channel (3) and a plurality of said return air inlets (2) all are laid in said burn-in chamber room body lower inside; Said air intake passage (5) and a plurality of air inlet (4) all are positioned at return air channel (3) top, and a plurality of said air inlets (4) and a plurality of said return air inlet (2) evenly are laid in the said burn-in chamber room body.
2. according to cyclic high-temperature burn-in chamber in the described hot blast of claim 1; It is characterized in that: a plurality of said air inlets (4) all be level to lay and its opening all vertically down, a plurality of said return air inlets (2) all are vertically to laying and the equal body middle inside towards said burn-in chamber room of its opening.
3. according to cyclic high-temperature burn-in chamber in claim 1 or the 2 described hot blasts; It is characterized in that: the I-shaped passage one of said air intake passage (5) for forming by a vertical duct one and two horizontal pipelines one joining with vertical duct one rear and front end respectively; Said I-shaped passage one level is to being laid in said burn-in chamber room body inside upper part; The quantity of said air inlet (4) is four, and four air inlets (4) are installed in the left and right end portions of two said horizontal pipelines one respectively.
4. according to cyclic high-temperature burn-in chamber in the described hot blast of claim 3; It is characterized in that: said return air channel (3) comprises the I-shaped passage two be made up of a vertical duct two and two horizontal pipelines two joining with vertical duct two rear and front ends respectively and joins with said vertical duct two middle parts and extend the horizontal pipeline three of said burn-in chamber room body inside back; Said I-shaped passage two and horizontal pipeline three average levels are to being laid in the inboard middle and upper part of said burn-in chamber room body and all being laid in said I-shaped passage one below; The quantity of said return air inlet (2) is five, and five return air inlets (2) are installed in the outer end of said horizontal pipeline three and the right ends portion of two said horizontal pipelines two through vertical connecting leg respectively.
5. according to cyclic high-temperature burn-in chamber in the described hot blast of claim 4, it is characterized in that: said burn-in chamber room body be shaped as cube, and the right ends portion of two said horizontal pipelines two extends four interior angle places of said burn-in chamber room body respectively.
6. according to cyclic high-temperature burn-in chamber in claim 1 or the 2 described hot blasts, it is characterized in that: said temperature-detecting device is thermocouple (8).
7. according to cyclic high-temperature burn-in chamber in the described hot blast of claim 6, it is characterized in that: the quantity of said thermocouple (8) is 6, and 6 thermocouples (8) divide two rows evenly to be laid in the said burn-in chamber room body.
8. according to cyclic high-temperature burn-in chamber in claim 1 or the 2 described hot blasts, it is characterized in that: be provided with the adjustable shutter of setting angle on said air inlet (4) and the return air inlet (2).
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CN2010105747520A CN102486338A (en) | 2010-12-06 | 2010-12-06 | Hot air internal recycling high-temperature ageing room |
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CN2010105747520A CN102486338A (en) | 2010-12-06 | 2010-12-06 | Hot air internal recycling high-temperature ageing room |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103323048A (en) * | 2013-05-28 | 2013-09-25 | 郑州精益达汽车零部件有限公司高新区分公司 | Automobile instrument panel dynamic aging system under high temperature |
CN107457892A (en) * | 2017-08-16 | 2017-12-12 | 顾玉城 | A kind of ceramics making draft chamber |
CN108414912A (en) * | 2018-03-01 | 2018-08-17 | 上海华岭集成电路技术股份有限公司 | Finished semiconductor high/low temperature multistation test device |
CN113406423A (en) * | 2021-06-30 | 2021-09-17 | 武汉普赛斯电子技术有限公司 | Electronic device aging test system |
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JPS59100340A (en) * | 1982-11-30 | 1984-06-09 | Mitsubishi Electric Corp | Heating apparatus by hot air |
CN1755381A (en) * | 2004-09-30 | 2006-04-05 | 华为技术有限公司 | Electronic apparatus aging method based on heat radiator |
CN2864658Y (en) * | 2005-06-27 | 2007-01-31 | 赖文彬 | Automatic product aging test facility |
CN201522656U (en) * | 2009-11-02 | 2010-07-07 | 西安中科麦特电子技术设备有限公司 | Multipoint temperature monitoring and controlling system for aging room of electronic products |
CN201531941U (en) * | 2009-11-02 | 2010-07-21 | 西安中科麦特电子技术设备有限公司 | Hot air circulation system for electronic product aging room |
CN201531969U (en) * | 2009-11-02 | 2010-07-21 | 胡剑峰 | Circulation ventilation fan system |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS59100340A (en) * | 1982-11-30 | 1984-06-09 | Mitsubishi Electric Corp | Heating apparatus by hot air |
CN1755381A (en) * | 2004-09-30 | 2006-04-05 | 华为技术有限公司 | Electronic apparatus aging method based on heat radiator |
CN2864658Y (en) * | 2005-06-27 | 2007-01-31 | 赖文彬 | Automatic product aging test facility |
CN201522656U (en) * | 2009-11-02 | 2010-07-07 | 西安中科麦特电子技术设备有限公司 | Multipoint temperature monitoring and controlling system for aging room of electronic products |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103323048A (en) * | 2013-05-28 | 2013-09-25 | 郑州精益达汽车零部件有限公司高新区分公司 | Automobile instrument panel dynamic aging system under high temperature |
CN103323048B (en) * | 2013-05-28 | 2015-08-19 | 郑州精益达汽车零部件有限公司高新区分公司 | Automobile instrument panel dynamic burn-in systems under high temperature |
CN107457892A (en) * | 2017-08-16 | 2017-12-12 | 顾玉城 | A kind of ceramics making draft chamber |
CN108414912A (en) * | 2018-03-01 | 2018-08-17 | 上海华岭集成电路技术股份有限公司 | Finished semiconductor high/low temperature multistation test device |
CN113406423A (en) * | 2021-06-30 | 2021-09-17 | 武汉普赛斯电子技术有限公司 | Electronic device aging test system |
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Application publication date: 20120606 |