CN101559391A - Temperature control heating and cooling device - Google Patents
Temperature control heating and cooling device Download PDFInfo
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- CN101559391A CN101559391A CNA2009100848912A CN200910084891A CN101559391A CN 101559391 A CN101559391 A CN 101559391A CN A2009100848912 A CNA2009100848912 A CN A2009100848912A CN 200910084891 A CN200910084891 A CN 200910084891A CN 101559391 A CN101559391 A CN 101559391A
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Abstract
The invention discloses a temperature control heating and cooling device, which comprises an electrical heating element embedded in a metal plate. The lower part of the metal plate is a cooling air duct, one end of the air duct is an air outlet for mounting a fan, the other end opposite to the air outlet and the lower part of the air duct are air inlets, the upper part of the metal plate is provided with a clamping mechanism for clamping a measured object, the electrical heating metal plate is connected with a temperature sensor, and the temperature sensor, the electrical heating element and the fan are connected with a controller; by presetting a threshold value, when the temperature compared by the controller is lower than the threshold value, the controller controls the electrical heating element to heat; and when the temperature compared by the controller is higher than the threshold value, the controller controls the fan to ventilate and radiate; or the controller keeps the metal plate thermostatic according to a set temperature. The area of each air inlet is gradually increased according to the distance between the air inlets and the air outlet. The device avoids temperature return waiting time brought by an oven test and conversion product and temperature imbalance caused by momentarily opening an oven, and improves the test efficiency and test accuracy.
Description
Technical field
The present invention relates to attemperating unit, be meant a kind of temperature control heating, cooling device especially.
Background technology
Be applied in product under the constant high temperature environment for some, before producing, using, need product casing temperature (Tc) is tested requirement with aging test.Be tested product to be fixed on the metallic plate put into baking oven at present, monitoring metallic plate temperature representative products skin temperature during product work, control the metallic plate temperature indirectly by the mode of adjusting oven temperature, thereby product is tested and aging test under the skin temperature of regulation.
Adopt this mode to have following shortcoming:
1, variations in temperature low-response, precision is low:
Adjust oven temperature control metallic plate temperature: be to adopt the mode that adds hot-air, conduct by convection current and promote the metallic plate temperature, reach the method for the skin temperature of control power module more indirectly.Because air is the non-conductor of heat, thermal response is very slow, is difficult to reach the accurate control to metallic plate and the variation of tested object temperature.
2, can only heat, can not lower the temperature:
Because baking oven itself does not possess refrigerating function, especially under the situation of tested object body self-heating cooking, can't lower the temperature, thereby uncontrollable its temperature is soaring;
3, lead-in wire is many, operation is difficult, quantity is few, efficient is low:
When adopting baking oven to carry out product test and test, input power supply, output loading and the testing equipment etc. of product all will be received the baking oven outside by lead-in wire, because lead-out wire is too many, have strengthened operation easier, have limited the quantity of test products simultaneously.Often can only test a product, inefficiency simultaneously during test;
4, unpacking test can't guarantee temperature conditions:
Some specific test events (such as ripple, noise, dynamic dispatching) are in order to obtain test data accurately, the test of must unpacking, even if during the short time unpacks, tested product can't guarantee the temperature conditions that requires;
5, unpack back temperature recovery slowly:
Because switch to another product test conversion of need unpacking from a product, and the test action of midway inevitably unpacking, the interior temperature decrease of baking oven caused.Continuation must wait baking oven to heat once more when testing and meet the requirements of temperature constant state, and this process is very consuming time, and operating efficiency is extremely low.
6, baking oven is relatively heavy, can't realize portablely, and test, test site are limited.
Summary of the invention
In view of this, the invention reside in provides a kind of temperature control heating, cooling device, when solving above-mentioned employing baking oven test products, and the variations in temperature instability, testing efficiency is low, tests inaccurate problem.
For addressing the above problem, the invention provides a kind of temperature control heating, cooling device, comprise: be embedded in the heating in the metallic plate, the below of described metallic plate is a cooling air channel, air channel one end is the air outlet that fan is installed, the other end relative with air outlet and below, air channel are air inlets, the top of described metallic plate has the mechanism that steps up that holds tested object, described electric heating metallic plate is connected with temperature sensor, temperature sensor and heating, fan connects controller, by preestablishing threshold value, when controller compares temperature when being lower than threshold value, the heating of control heating; When controller compares temperature when being higher than threshold value, the heat radiation of control ventilation fan; Or controller keeps metal plate thermostatic according to the temperature of setting.
Preferably, described mechanism's screw pressing plate or the caliper of stepping up.
Preferably, described metallic plate is aluminium alloy or copper alloy.
Preferably, described air inlet is at two when above, and the area of each air inlet increases successively according to the distance between air inlet and the air outlet.
Device of the present invention is because tested object is in naked state when test and test, and in baking oven build-in test and test, various lead-in wires can connect easily with respect in the past; With respect to utilizing baking oven test, rise again stand-by period and the unpacking moment of having avoided fully that unpacking test and conversion products bring the temperature that causes lose permanently, improved testing efficiency and test accuracy; Offer a plurality of air inlets at cooling air channel, the air inlet near more from air outlet is bigger than relative air inlet opening at a distance, and be low to improve thermal accumlation formation metallic plate air inlet place temperature, the temperature staircase that air outlet place temperature is high.
Description of drawings
Fig. 1 is a schematic representation of apparatus;
Fig. 2 is the schematic diagram of bottom of device.
The specific embodiment
For clearly demonstrating the scheme among the present invention, provide preferred embodiment below and be described with reference to the accompanying drawings.
Device of the present invention comprises as shown in Figure 1: be embedded in the heating 4 in the metallic plate, heating 4 adopts heatings such as electrical bar, heating wire, and the top of electric heating metallic plate is equipped with steps up mechanism, steps up mechanism and can be screw pressing plate, caliper etc.Tested product 1 closely contacts with the electric heating metallic plate by stepping up mechanism, realizes the heat conduction, and metallic plate can adopt the high materials of the coefficient of heat conduction such as aluminium alloy or copper alloy.When the contact-making surface of tested product and electric heating metallic plate is on-plane surface, but between is filled yielding Heat Conduction Material.
Be cooling air channel below the electric heating metallic plate, an end of cooling air channel is air outlet 3 and fan 2, and the air outlet 3 relative other ends are air inlets, as shown in Figure 2.The air inlet in air channel is not unique, but a plurality of air inlet classifications are handled, below cooling air channel, also begin to have air inlet, the air inlet near more from air outlet is bigger than relative air inlet opening at a distance, low to improve thermal accumlation formation metallic plate air inlet place temperature, the temperature staircase that air outlet place temperature is high.
The electric heating metallic plate is connected with temperature sensor, and temperature sensor is connected controller with heating 4, fan 2, by preestablishing threshold value, when controller compares temperature when being lower than threshold value, the heating of control heating 4 is when controller compares temperature when being higher than threshold value, control fan 2 ventilation and heat; Controller also can be set the constant temperature threshold value, makes the metallic plate face realize intensification, cooling and automatic constant-temperature function.
Holding screw on the electric hot plate and pressing plate are anchored on tested object (as power module or other objects) on the heated at constant temperature platform table top, make it closely to contact with table top.When tested object master radiating surface is the on-plane surface state, table top can be processed into the shape of object coupling fasteningly again, or adopt after the method for filling Heat Conduction Material in addition fastening.
Because tested object is in naked state when test and test, in baking oven build-in test and test, various lead-in wires can connect easily with respect in the past.
In use, according to the temperature of test requirements document setting device, device is started working.After the temperature that reaches setting, device keeps this temperature automatically, and is in temperature constant state (precision is for ± 1.5 ℃).When tested object was lower than the temperature of requirement, system's control cooling fan cut out, and heating starts simultaneously.This moment, this device promptly became a heating plate, with tested object temperature increase.When tested object self-heating also surpassed the temperature that requires, system's control heating was closed, and cooling fan starts simultaneously.This moment, this device promptly became the radiator of band air blast cooling, and tested object temperature is lowered.Can't make the state of tested object cooling obtain basic improvement in the short time during with respect to the test of employing baking oven.In addition, the work top of this device exposes 5～40 ℃ of temperature, under the environment of relative humidity 10～90%, the constant temperature precision is ± 1.5 ℃, for reducing the temperature interference of external environment to tested object, can on table top, install stay-warm case additional, the constant temperature precision can further improve.With respect to the method for utilizing baking oven test, the temperature that rise again stand-by period and the unpacking moment of having avoided fully that unpacking test and conversion products bring causes is lost permanent.
Since this device will heat with air-cooled be designed to integrated, when improving thermal response, also dwindled the volume of equipment greatly, device for test that generally is applied to the secondary power supply module and test, appearance and size is roughly 400mm * 300mm * 200mm, its volume such as same Daepori lead to instrument, compare with baking oven, have reduced the requirement to the place, can be placed on the common working top and use, also be easy to carry simultaneously.
For the device of being set forth among each embodiment of the present invention, within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1, a kind of temperature control heating, cooling device, it is characterized in that, comprise: be embedded in the heating in the metallic plate, the below of described metallic plate is a cooling air channel, air channel one end is the air outlet that fan is installed, the other end relative with air outlet and below, air channel are air inlets, the top of described metallic plate has the mechanism that steps up that holds tested object, described electric heating metallic plate is connected with temperature sensor, temperature sensor is connected controller with heating, fan, by preestablishing threshold value, when controller compares temperature when being lower than threshold value, the heating of control heating; When controller compares temperature when being higher than threshold value, the heat radiation of control ventilation fan; Or controller keeps metal plate thermostatic according to the temperature of setting.
2, a kind of temperature control heating according to claim 1, cooling device is characterized in that, described mechanism's screw pressing plate or the caliper of stepping up.
3, a kind of temperature control heating according to claim 1, cooling device is characterized in that, described metallic plate is aluminium alloy or copper alloy.
4, a kind of temperature control heating according to claim 1, cooling device is characterized in that, described air inlet is at two when above, and the area of each air inlet increases successively according to the distance between air inlet and the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100848912A CN101559391B (en) | 2009-05-26 | 2009-05-26 | Temperature control heating and cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100848912A CN101559391B (en) | 2009-05-26 | 2009-05-26 | Temperature control heating and cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101559391A true CN101559391A (en) | 2009-10-21 |
| CN101559391B CN101559391B (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100848912A Active CN101559391B (en) | 2009-05-26 | 2009-05-26 | Temperature control heating and cooling device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069583A (en) * | 2010-11-30 | 2011-05-25 | 林明茳 | Temperature control system for baking channel of bottle blowing machine |
| CN103290198A (en) * | 2013-06-04 | 2013-09-11 | 无锡明珠钢球有限公司 | Steel ball quenching device with temperature adjustment function |
| CN104238597A (en) * | 2013-06-07 | 2014-12-24 | 东芝泰格有限公司 | Electronic device |
| CN104874431A (en) * | 2015-07-01 | 2015-09-02 | 苏州新区枫桥净化设备厂 | Multifunctional test bed |
| CN105637312A (en) * | 2013-07-31 | 2016-06-01 | 赛多利斯史泰迪生物技术有限责任公司 | Temperature control device, use and arrangement |
| CN108519116A (en) * | 2018-04-08 | 2018-09-11 | 哈工大卫星激光通信股份有限公司 | A kind of cmos image sensor ageing method based on shell temperature Real-time Feedback |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5805615B2 (en) * | 2012-12-04 | 2015-11-04 | 株式会社九州日昌 | Constant temperature apparatus |
-
2009
- 2009-05-26 CN CN2009100848912A patent/CN101559391B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069583A (en) * | 2010-11-30 | 2011-05-25 | 林明茳 | Temperature control system for baking channel of bottle blowing machine |
| CN103290198A (en) * | 2013-06-04 | 2013-09-11 | 无锡明珠钢球有限公司 | Steel ball quenching device with temperature adjustment function |
| CN104238597A (en) * | 2013-06-07 | 2014-12-24 | 东芝泰格有限公司 | Electronic device |
| CN105637312A (en) * | 2013-07-31 | 2016-06-01 | 赛多利斯史泰迪生物技术有限责任公司 | Temperature control device, use and arrangement |
| CN105637312B (en) * | 2013-07-31 | 2020-11-06 | 赛多利斯史泰迪生物技术有限责任公司 | Temperature control device, method of use and apparatus |
| CN104874431A (en) * | 2015-07-01 | 2015-09-02 | 苏州新区枫桥净化设备厂 | Multifunctional test bed |
| CN108519116A (en) * | 2018-04-08 | 2018-09-11 | 哈工大卫星激光通信股份有限公司 | A kind of cmos image sensor ageing method based on shell temperature Real-time Feedback |
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| Publication number | Publication date |
|---|---|
| CN101559391B (en) | 2011-04-06 |
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