CN102053641A - Hot air circulating system for aging room of electronic product - Google Patents
Hot air circulating system for aging room of electronic product Download PDFInfo
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- CN102053641A CN102053641A CN2009102187581A CN200910218758A CN102053641A CN 102053641 A CN102053641 A CN 102053641A CN 2009102187581 A CN2009102187581 A CN 2009102187581A CN 200910218758 A CN200910218758 A CN 200910218758A CN 102053641 A CN102053641 A CN 102053641A
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Abstract
The invention discloses a hot air circulating system for an aging room of an electronic product, comprising a circulating channel and a temperature detection device. The circulating channel circularly feeds hot air into an aging region of the aging room, the temperature detection device detects the temperature of the aging region in real time, the circulating channel comprises an air duct, an air vent and an air return hole, the air duct is arranged on the inner wall of the aging room, the air vent is mounted at an opening at the upper part of the air duct, the air return hole is mounted at an opening at the lower part of the air duct which is internally provided with a heater and a heating blower, and the heating blower is used for continuously emits hot air heated by the heater from the air vent and continuously sucks air in the aging region into the air duct from the air return hole; and a hot air circulating system capable of automatically and continuously feeding hot air into the aging region is formed by the circulating channel, the temperature detection device, the heater and the heating blower. The invention has simple structure, convenience for arrangement and good use effect, is easy and convenient to use and operate and can effectively overcomes the practical problems of uneven temperature distribution, inaccurate single-point temperature measurement, high production cost, and the like of the aging region in a traditional aging room.
Description
Technical field
The present invention relates to a kind of hot air circulating system, especially relate to a kind of electronic product burn-in chamber hot air circulating system.
Background technology
Burn-in chamber, cry again and burn machine room, be the equipment that simulates a kind of high temperature, abominable test environment at high-performance electronic product (as: computing machine complete machine, display, terminating machine, auto electronic product, power supply unit, motherboard, monitor and switch type charger etc.), be the important experimental facilities 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 aging test of electronic product is to get rid of electronic product initial failure, the necessary means of control product quality.The homogeneity of Temperature Distribution is the important technology index of burn-in chamber in the burn-in chamber, will directly influence the aging result who is placed on electronic product in the different burn-in chambers zone.At present, the electronic product burn-in chamber of domestic a lot of enterprises, the scope that its temperature control system detected only is certain any temperature in the burn-in chamber, thereby be difficult to solve the even practical problems of temperature distributing disproportionation in the burn-in chamber, thereby influenced the test effect of the high low temperature aging test of electronic product greatly.
Summary of the invention
Technical matters to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of electronic product burn-in chamber hot air circulating system is provided, it is simple in structure, laying is convenient, use is easy and simple to handle and result of use is good, can effectively overcome even, the practical problemss such as the single-point thermometric is inaccurate, production cost height of the temperature distributing disproportionation in the aging zone in the existing burn-in chamber.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of electronic product burn-in chamber hot air circulating system, it is characterized in that: comprise and send into the circulation passage of hot blast and the temperature-detecting device that the temperature in the aging zone is detected in real time in the continuous aging zone in burn-in chamber of circulation, described temperature-detecting device is laid in the burn-in chamber; Described circulation passage comprises the air channel that is laid on the burn-in chamber inwall, be installed in the air outlet at upper opening place, air channel and be installed in the return air inlet at lower openings place, air channel, be provided with in the described air channel well heater that its inner loop ventilating air is heated continuously and with the hot-air after the heater via heating from air outlet send continuously and the zone of will wearing out air suck the heating blower of air channel continuously from return air inlet to realize that air circulates continuously in the air channel; Described circulation passage, temperature-detecting device and well heater and heating blower are formed the hot air circulating system of sending into hot blast in the described aging zone of trend continuously.
The quantity of described hot air circulating system is that a plurality of and a plurality of hot air circulating systems evenly are laid in the burn-in chamber.
The quantity that air outlet is installed in upper opening place, described air channel is that a plurality of and a plurality of air outlets evenly are laid in the burn-in chamber.
The quantity that lower openings place, described air channel installs back the air port is that a plurality of and a plurality of return air inlets evenly are laid in the burn-in chamber.
Also comprise the motor that heating blower is driven, described motor and heating blower join.
The quantity of described temperature-detecting device is a plurality of.
Described temperature-detecting device is a thermopair.
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, by the reasonable Arrangement ventilating duct is the air channel, and the quantity of corresponding increase air intake opening, return-air mouth and indoor point for measuring temperature, the equally distributed purpose of temperature in the aging zone be can realize, thereby difficulty of construction and production cost greatly reduced.
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 by 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 homogeneity of Temperature Distribution in the burn-in chamber.In the actual use, air in the burn-in chamber enters the air channel from return air inlet, and moves along the air channel and behind heating blower and well heater, air themperature is raised, it is indoor to get back to burn-in chamber through the air channel from air inlet again, has so just realized the whole evenly purpose of heating is carried out in aging zone.Because a cover hot air circulating system has a plurality of return air inlets and a plurality of air inlet, make its area coverage increase greatly to aging zone, effectively guaranteed the even intensification in aging zone.Simultaneously, in the hydronic process of room air, be positioned at indoor a plurality of thermopairs and in real time the temperature of each point monitored respectively, in time grasp the Temperature Distribution situation in aging zone, thus the inaccurate drawback of the temperature survey of effectively 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 overcome effectively that the temperature distributing disproportionation in the aging zone is even in the existing burn-in chamber, the single-point thermometric is inaccurate, production cost is high and the air channel is installed in practical problemss such as outdoor, construction inconvenience, difficulty of construction and production cost have been reduced to a certain extent, and can effectively guarantee uniform distribution of temperature in the aging zone, thereby improve the aging result of electronic product greatly.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is an installation position structural representation of the present invention.
Fig. 2 is the structural representation at burn-in chamber top among Fig. 1.
Description of reference numerals:
The 1-return air inlet; The 2-air channel; The 3-air inlet;
The 4-thermopair; The 5-motor; The 6-well heater;
The 7-heating blower; The 8-burn-in chamber.
Embodiment
As shown in Figure 1 and Figure 2, the present invention includes circulation and constantly send into the circulation passage of hot blast and the temperature-detecting device that the temperature in the aging zone is detected in real time in the aging zone in burn-in chamber 8, described temperature-detecting device is laid in the burn-in chamber 8.Described circulation passage comprises the air channel 2 that is laid on burn-in chamber 8 inwalls, be installed in the air outlet 3 at 2 upper opening places, air channel and be installed in the return air inlet 1 at 2 lower openings places, air channel, be provided with in the described air channel 2 well heater 6 that its inner loop ventilating air is heated continuously and with the hot-air after heater via 6 heating from air outlet 3 send continuously and the zone of will wearing out air suck the heating blower 7 of air channel 2 continuously from return air inlet 1 to realize that air circulates continuously in air channel 2.Described circulation passage, temperature-detecting device and well heater 6 and heating blower 7 are formed the hot air circulating system of sending into hot blast in the described aging zone of trend continuously.In addition, the present invention also comprises the motor 5 that heating blower 7 is driven, and described motor 5 joins with heating blower 7.The quantity of described temperature-detecting device is a plurality of.In the present embodiment, described temperature-detecting device is a thermopair 4.
The quantity of described hot air circulating system is that a plurality of and a plurality of hot air circulating systems evenly are laid in the burn-in chamber 8.In the actual use, can carry out reasonable Arrangement according to the quantity of the corresponding definite hot air circulating system of concrete needs and to each hot air circulating system.Simultaneously, the quantity of 2 upper opening places, described air channel installation air outlet 3 is that a plurality of and a plurality of air outlets 3 evenly are laid in the burn-in chamber 8.The quantity that 2 lower openings places, described air channel install back air port 1 is that a plurality of and a plurality of return air inlets 1 evenly are laid in the burn-in chamber 8.In the actual laying process, for a hot air circulating system, the quantity that air outlet 3 and return air inlet 1 are installed in its air channel 2 upper openings and lower openings place all can adjust accordingly.In the present embodiment, the quantity of described hot air circulating system is two; And for each hot air circulating system, the quantity that air outlet 3 is installed in its 2 upper opening places, air channel is 8, and the quantity that 2 lower openings places, air channel install back air port 1 is 2, and the quantity of described motor 5, well heater 6 and heating blower 7 is 1.16 air outlets 3 of two hot air circulating systems evenly are laid in the burn-in chamber 8, and 4 return air inlets 1 of two hot air circulating systems are laid in four drift angle places of burn-in chamber 8 respectively.
The course of work of the present invention is: after motor 5 starts, corresponding drive heating blower 7 is started working, driving air by heating blower 7 circulates in air channel 2, thereby the air in the zone of will wearing out sucks air channel 2 and 2 moves along the air channel from return air inlet 1, after moving to well heater 6 installed positions, by 6 pairs of air heat of well heater to improve air themperature, air after the heating continues to move along air channel 2 and be expelled in the burn-in chamber 8 from air inlet 3 subsequently, the heat cycles of so going round and beginning again is up to making aging regional temperature reach temperature required.In the above-mentioned heat cycles process, a plurality of thermopairs 4 are monitored the temperature of a plurality of measuring points in the burn-in chamber 8 in real time.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection domain of technical solution of the present invention according to the technology of the present invention essence.
Claims (7)
1. electronic product burn-in chamber hot air circulating system, it is characterized in that: comprise that circulation constantly sends into the circulation passage of hot blast and the temperature-detecting device that the temperature in the aging zone is detected in real time in the aging zone in burn-in chamber (8), described temperature-detecting device is laid in the burn-in chamber (8); Described circulation passage comprises the air channel (2) that is laid on burn-in chamber (8) inwall, be installed in the air outlet (3) at upper opening place, air channel (2) and be installed in the return air inlet (1) at lower openings place, air channel (2), be provided with in described air channel (2) well heater (6) that its inner loop ventilating air is heated continuously and with the hot-air after heater via (6) heating from air outlet (3) send continuously and the zone of will wearing out air suck the heating blower (7) of air channel (2) continuously from return air inlet (1) to realize that air circulates continuously in air channel (2); Described circulation passage, temperature-detecting device and well heater (6) and heating blower (7) are formed the hot air circulating system of sending into hot blast in the described aging zone of trend continuously.
2. according to the described a kind of electronic product burn-in chamber hot air circulating system of claim 1, it is characterized in that: the quantity of described hot air circulating system is that a plurality of and a plurality of hot air circulating systems evenly are laid in the burn-in chamber (8).
3. according to claim 1 or 2 described a kind of electronic product burn-in chamber hot air circulating systems, it is characterized in that: the quantity that air outlet (3) is installed in upper opening place, described air channel (2) is that a plurality of and a plurality of air outlets (3) evenly are laid in the burn-in chamber (8).
4. according to claim 1 or 2 described a kind of electronic product burn-in chamber hot air circulating systems, it is characterized in that: the quantity that lower openings place, described air channel (2) installs back air port (1) is that a plurality of and a plurality of return air inlets (1) evenly are laid in the burn-in chamber (8).
5. according to claim 1 or 2 described a kind of electronic product burn-in chamber hot air circulating systems, it is characterized in that: also comprise the motor (5) that heating blower (7) is driven, described motor (5) joins with heating blower (7).
6. according to claim 1 or 2 described a kind of electronic product burn-in chamber hot air circulating systems, it is characterized in that: the quantity of described temperature-detecting device is a plurality of.
7. according to claim 1 or 2 described a kind of electronic product burn-in chamber hot air circulating systems, it is characterized in that: described temperature-detecting device is thermopair (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102187581A CN102053641A (en) | 2009-11-02 | 2009-11-02 | Hot air circulating system for aging room of electronic product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102187581A CN102053641A (en) | 2009-11-02 | 2009-11-02 | Hot air circulating system for aging room of electronic product |
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| CN102053641A true CN102053641A (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102187581A Pending CN102053641A (en) | 2009-11-02 | 2009-11-02 | Hot air circulating system for aging room of electronic product |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245019A (en) * | 2013-04-28 | 2013-08-14 | 东莞市华琪检测仪器有限公司 | Improved aging room |
| CN103302037A (en) * | 2012-03-16 | 2013-09-18 | 泰克元有限公司 | Test sorting machine |
| CN103713207A (en) * | 2012-10-08 | 2014-04-09 | 致茂电子(苏州)有限公司 | Burn-in test device |
| CN105032776A (en) * | 2012-03-16 | 2015-11-11 | 泰克元有限公司 | Test sorting machine |
-
2009
- 2009-11-02 CN CN2009102187581A patent/CN102053641A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302037A (en) * | 2012-03-16 | 2013-09-18 | 泰克元有限公司 | Test sorting machine |
| CN105032776A (en) * | 2012-03-16 | 2015-11-11 | 泰克元有限公司 | Test sorting machine |
| CN103302037B (en) * | 2012-03-16 | 2016-01-13 | 泰克元有限公司 | Test handler |
| CN105032776B (en) * | 2012-03-16 | 2017-11-28 | 泰克元有限公司 | Testing, sorting machine |
| CN103713207A (en) * | 2012-10-08 | 2014-04-09 | 致茂电子(苏州)有限公司 | Burn-in test device |
| CN103245019A (en) * | 2013-04-28 | 2013-08-14 | 东莞市华琪检测仪器有限公司 | Improved aging room |
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Application publication date: 20110511 |