CN104076836A - Incubator temperature control system and method - Google Patents
Incubator temperature control system and method Download PDFInfo
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- CN104076836A CN104076836A CN201410304555.5A CN201410304555A CN104076836A CN 104076836 A CN104076836 A CN 104076836A CN 201410304555 A CN201410304555 A CN 201410304555A CN 104076836 A CN104076836 A CN 104076836A
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- incubator
- temperature control
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- control system
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Abstract
The invention discloses an incubator temperature control system. The incubator temperature control system comprises an incubator. A first fan for heat exchange is embedded into the upper surface of the incubator. The position, provided with the first fan, of the upper surface of the incubator is connected with a chimney in a sealing mode. A second fan is arranged on the upper portion of the chimney. The invention further provides a temperature control method utilizing the incubator temperature control system. It is avoided that the incubator directly exchanges heat with external air, the temperature change rate generated in the incubator temperature control process is reduced, temperature control is even and accurate, energy is saved, and power consumption is low.
Description
Technical field
The present invention relates to incubator temperature control field, particularly a kind of incubator temperature control system and method for optical module test.
Background technology
Optical module test time need to be tested the parameter under different temperatures, is that some optical modules to be measured are put into incubator at present, and the incubator work of connecting with the mains, makes the temperature in incubator reach or approach a certain target temperature, then carry out optical module test.On existing incubator casing, be typically provided with a fan, the heat that thermal source sends in the time of heating is direct and extraneous air heat interchange at fan place, the rate of temperature change of incubator is larger, the heat diffusion that thermal source sends under the effect of fan simultaneously moves inhomogeneous, it is inhomogeneous causing the temperature in casing, for example in casing, the corner of stow away from heat or the temperature at inwall place are low, and these all cause the temperature control out of true of incubator.
Summary of the invention
The object of the invention is to overcome existing above-mentioned deficiency in prior art, a kind of incubator temperature control system and method are provided, it avoids incubator directly and extraneous air carries out heat interchange, rate of temperature change while making incubator temperature control reduces, temperature control is evenly accurate, energy-conservation, low in energy consumption.
In order to realize foregoing invention object, the technical solution used in the present invention is:
A kind of incubator temperature control system, comprises incubator, and described incubator upper surface is embedded with the first fan for heat interchange, at described incubator upper surface, the first fan place chimney that is tightly connected is set, and described chimney top is provided with the second fan.
Preferably, the upper and lower surface of the casing of described incubator offers symmetrical hole, embeds described the first fan is installed at the hole place of described upper surface, embeds three fan is installed at the hole place of described lower surface; In described casing, be provided with at least one for the test board of optical module to be measured is installed, be also provided with heater element and temperature sensor in described casing, described heater element, temperature sensor, first, three fan are electrically connected with described test board respectively.
Further, described heater element is heating resistor, resistance cotton or infrared heater.。
Further, described heating resistor has multiple, is evenly distributed in cabinet space.
Preferably, described temperature sensor has multiple, is evenly distributed in cabinet space.
Preferably, be also provided with power interface on described casing, described test board is connected with described power interface.
Preferably, described the first fan is identical with three fan.
Preferably, the height of described chimney is 60-100cm.
The present invention also provides a kind of Temp. control method that utilizes above-mentioned incubator temperature control system, and described incubator and described chimney carry out heat interchange, and described chimney carries out heat interchange with extraneous air again.
compared with prior art, beneficial effect of the present invention:
When incubator temperature control system work of the present invention, the heat that in temperature control process, thermal source sends first carries out heat interchange with described chimney at fan place, described chimney carries out heat interchange with extraneous air again, so just avoid incubator directly and extraneous air heat interchange, the rate of temperature change of incubator reduces, and temperature control is more accurate.In preferred version of the present invention, in incubator heating process, make full use of the heat of optical module generation to be measured and increase heater element and assist heating, make incubator can reach very soon target temperature, temperature control is evenly accurate, and efficiency is high, low in energy consumption, cost.
brief description of the drawings:
Fig. 1 is the incubator temperature control system schematic diagram in the embodiment of the present invention;
Fig. 2 is the incubator Temp. control method process flow diagram in the embodiment of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.But this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology realizing based on content of the present invention all belong to scope of the present invention.
Incubator temperature control system as shown in Figure 1, comprises incubator 1, and described incubator 1 upper surface is embedded with the first fan 3 for heat interchange, at described incubator 1 upper surface, the first fan 3 places chimney 8 that is tightly connected is set, and described chimney 8 tops are provided with the second fan 9.When incubator temperature control system work of the present invention, the heat that in temperature control process, thermal source sends first carries out heat interchange with described chimney 8 at fan 3 places, described chimney 8 carries out heat interchange with extraneous air again, so just avoid incubator 1 directly and extraneous air heat interchange, the rate of temperature change of incubator 1 reduces, and temperature control is more accurate.
Concrete, the upper and lower surface of casing of described incubator 1 offers symmetrical hole 2, embeds described the first fan 3 is installed at 2 places, hole of described upper surface, embeds three fan 3 is installed at 2 places, hole of described lower surface; In described casing, be provided with at least one for the test board 4 of optical module to be measured is installed, schematically show 3 test boards 4 in figure, test board 4 is placed in casing 1 by shelf.In described casing 1, be also provided with heater element 5 and temperature sensor 6, described heater element 5, temperature sensor 5 and fan 3 are electrically connected with described test board 4 respectively, not shown connection wire in Fig. 1.When work, test board 4 powers up work, optical module to be measured self meeting generating portion heat, temperature sensor 6 detects the interior temperature of casing 1, in the time of temperature miss the mark temperature, test board 4 control heater parts 5 heating produce heats, when temperature is during higher than target temperature, test board 4 is controlled fan 3 running heat radiations, and fan 3 running blowings simultaneously can make the interior temperature of casing 1 more even.In invention heating process, make full use of the heat of optical module generation to be measured and increase heater element and assist heating, make incubator can reach very soon target temperature, temperature control is evenly accurate, low in energy consumption.Be prior art for the test board that optical module to be measured is installed, no longer describe in detail.
Casing described in the present embodiment is rectangle, casing upper, lower surface offers symmetrical hole 2, at described hole 2 place's provided with fans 3, two fans 3 are all miniwatt fans, adopt identical fan, the upper surface of casing and lower surface are symmetrical arranged fan 3, when work, can make more uniform temperature in casing, because the test board of placing optical module to be measured is generally positioned at the central region of casing, the heat of optical module to be measured self is just concentrated in central region in casing, by upper, fan 3 work of lower surface form cross-ventilation, heat can flow toward the region between test board 4 and cabinet wall, thereby make the temperature in whole casing more even.Described fan 3 adopts the quiet fan of technical grade, and noise is little.Described heater element 5 is preferably heating resistor, can certainly be other heater elements, such as resistance cotton or infrared heater etc.Described heating resistor has multiple, is evenly distributed in cabinet space.Heating resistor is preferably placed on the tested optical module side (not shown) on test board 4, can ensure that so tested optical module is heated rapidly, saves the energy and raises the efficiency.Described temperature sensor 6 has multiple, is also evenly distributed on cabinet space interior upper, for detection of the temperature in casing.Preferably, on described casing 1, be also provided with power interface 7, described test board 4 is connected with described power interface 7, not shown connection wire.Power interface 7 connects external power source, thereby powers for test board 4.The height of chimney described in the present embodiment is 60-100cm, and the too high heat interchange of chimney is excessively slow, and the too short heat interchange of chimney is too fast, and temperature control is all accurate not, inventor's test of many times, the height of chimney within the scope of 60-100cm time effect best, most preferably 70cm.
As shown in Figure 2, another embodiment of the present invention provides a kind of Temp. control method that utilizes above-mentioned incubator temperature control system, comprises that step is as follows, step S1, and described incubator 1 carries out heat interchange with described chimney 8; Step S2, described chimney 8 carries out heat interchange with extraneous air again.Cooperating by the second fan 9 on the first fan 3 and chimney 8 on incubator 1 completes heat interchange work, and the principle of work of incubator can, with reference to the description in previous embodiment, repeat no more here.When incubator 1 is worked, heat is first spread out of by chimney 8, by the second fan 9 on chimney 8 again with extraneous air heat interchange, avoided incubator 1 directly and extraneous air heat interchange, the rate of temperature change of incubator 1 reduces, temperature control is more accurate.The height of chimney 8 is 60-100cm, and the too high heat interchange of chimney is excessively slow, and the too short heat interchange of chimney is too fast, and temperature control is all accurate not, inventor's test of many times, the height of chimney within the scope of 60-100cm time effect best, most preferably 70cm.
The heat that in temperature control process of the present invention, thermal source sends first carries out heat interchange with described chimney at fan place, described chimney carries out heat interchange with extraneous air again, so just avoided incubator directly and extraneous air heat interchange, the rate of temperature change of incubator reduces, and temperature control is more accurate.In preferred version of the present invention, in incubator heating process, make full use of the heat of optical module generation to be measured and increase heater element and assist heating, make incubator can reach very soon target temperature, temperature control is evenly accurate, and efficiency is high, low in energy consumption, cost.
By reference to the accompanying drawings the specific embodiment of the present invention is had been described in detail above, but the present invention is not restricted to above-mentioned embodiment, in the spirit and scope situation of claim that does not depart from the application, those skilled in the art can make various amendments or remodeling.
Claims (9)
1. an incubator temperature control system, is characterized in that, comprises incubator, and described incubator upper surface is embedded with the first fan for heat interchange, at described incubator upper surface, the first fan place chimney that is tightly connected is set, and described chimney top is provided with the second fan.
2. incubator temperature control system according to claim 1, is characterized in that, the upper and lower surface of casing of described incubator offers symmetrical hole, embeds described the first fan is installed at the hole place of described upper surface, embeds three fan is installed at the hole place of described lower surface; In described casing, be provided with at least one for the test board of optical module to be measured is installed, be also provided with heater element and temperature sensor in described casing, described heater element, temperature sensor, first, three fan are electrically connected with described test board respectively.
3. incubator temperature control system according to claim 2, is characterized in that, described heater element is heating resistor, resistance cotton or infrared heater.
4. incubator temperature control system according to claim 3, is characterized in that, described heating resistor has multiple, is evenly distributed in cabinet space.
5. according to the incubator temperature control system described in claim 2 to 4 any one, it is characterized in that, described temperature sensor has multiple, is evenly distributed in cabinet space.
6. according to the incubator temperature control system described in claim 2 to 4 any one, it is characterized in that, on described casing, be also provided with power interface, described test board is connected with described power interface.
7. according to the incubator temperature control system described in claim 2 to 4 any one, it is characterized in that, described the first fan is identical with three fan.
8. according to the incubator temperature control system described in claim 1 to 4 any one, it is characterized in that, the height of described chimney is 60-100cm.
9. a Temp. control method that utilizes the incubator temperature control system described in claim 1-8 any one, is characterized in that, described incubator and described chimney carry out heat interchange, and described chimney carries out heat interchange with extraneous air again.
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| CN201410304555.5A CN104076836A (en) | 2014-06-30 | 2014-06-30 | Incubator temperature control system and method |
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Cited By (3)
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| CN106383541A (en) * | 2016-10-28 | 2017-02-08 | 北京无线电计量测试研究所 | High-stability current source |
| CN107641867A (en) * | 2017-10-30 | 2018-01-30 | 浙江通元织造有限公司 | A kind of smoke evacuation property forces the good elasticizer of thermal effect |
| CN107665007A (en) * | 2017-10-30 | 2018-02-06 | 索尔思光电（成都）有限公司 | Temperature control module, temperature conditioning unit and incubator |
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| EP0730391A2 (en) * | 1995-02-28 | 1996-09-04 | Samsung Electronics Co., Ltd. | Temperature control apparatus of microwave oven and method thereof |
| JP2005115735A (en) * | 2003-10-09 | 2005-04-28 | Matsushita Electric Ind Co Ltd | Warming system and automatic vending machine |
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| CN106383541A (en) * | 2016-10-28 | 2017-02-08 | 北京无线电计量测试研究所 | High-stability current source |
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| CN107665007A (en) * | 2017-10-30 | 2018-02-06 | 索尔思光电（成都）有限公司 | Temperature control module, temperature conditioning unit and incubator |
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Application publication date: 20141001 |