CN2605062Y - Rapid temperature rise-reduce thermostatic water bath device for experiment - Google Patents
Rapid temperature rise-reduce thermostatic water bath device for experiment Download PDFInfo
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- CN2605062Y CN2605062Y CN 03219498 CN03219498U CN2605062Y CN 2605062 Y CN2605062 Y CN 2605062Y CN 03219498 CN03219498 CN 03219498 CN 03219498 U CN03219498 U CN 03219498U CN 2605062 Y CN2605062 Y CN 2605062Y
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Abstract
A constant temperature water bath apparatus for experiment can rise and lower the water temperature quickly, relates to a constant temperature water bath apparatus. The utility model adopts a traditional heating element to heat, controls the temperature automatically with a contact thermometer and also uses the magnetic stir to keep the temperature of the bath water and the sample liquid even-distributed, and thermoelectric cooling modules are adapted to cool and form the constant temperature water bath apparatus rising and lowering the water temperature quickly. Compared with the traditional constant temperature water bath apparatus, the utility model has the advantages that the temperature control is exact and in time, the temperature is even-distributed in the constant temperature system, the temperature can be controlled above and below the room temperature conveniently because of the installation of the heating and cooling hot-exchange modules at the same time, and that the volatilization loss of the solvent, during the moment of the constant temperature, can be avoided in the course of constant temperature through the way of having the container of the sample liquid lidded.
Description
Technical field
The rapid temperature rise and drop constant temperature water bath apparatus is used in experiment, the present invention relates to the rapid temperature rise and drop constant temperature water bath apparatus that utilizes magnetic agitation, heating and cooling module, temperature control etc. partly to constitute.
Background technology
Gong Ying experiment in the market mainly contains three classes with water bath with thermostatic control.One class is common water bath with thermostatic control, and this water bath with thermostatic control is configuration one cover heated at constant temperature system in water bath just.Owing to do not have agitating device, so there are deficiencies such as the even heating and cooling hysteresis quality of temperature distributing disproportionation is big in it.Second class is tyre one mechanical stirring device on first kind water bath with thermostatic control basis.But, be difficult to accomplish make rapidly bath temperature to be evenly distributed owing to the pro forma reason of agitator power.The 3rd class is the complicated so-called thermostatic water-circulator bath of structure.The water pump that it is used with built-in mechanical agitator with for external recirculated water.Though this water-bath is constant temperature accurately, because installation of water is big, therefore the time of heating and cooling on a large scale is also longer.And owing to do not had agitating device in the container of constant temperature, use also is difficult to obtain constant temperature truly separately.In addition, tangible weak point of this three classes water bath with thermostatic control is or not very convenient by high temperature to low warm spot transition.Because the temperature in case raise will make temperature lower, or wait for the nature cooling, or change a large amount of water again with slower speed heat temperature raising.Last point, more than these waters bath with thermostatic control owing to there is not refrigeration source, so temperature can only be controlled at more than the room temperature, thereby make the scope of application of this class water bath with thermostatic control be restricted to a certain extent.
Summary of the invention
The purpose of this utility model be to overcome in the market experiment with the water bath with thermostatic control temperature distributing disproportionation, warming and cooling rate is slow and change shortcoming such as control point inconvenience, provide to realize that uniformity of temperature profile, control point shift easily, make and treat that constant temperature sample liquid can obtain the invention scheme of uniformly transfer heat effect simultaneously.
Technical scheme
System constitutes
The utility model is a kind of constant temperature water bath apparatus as shown in drawings, adopts traditional heating element heater heating, outside the contact tehermometer A.T.C, also utilizes magnetic agitation that water-bath and sample liquid temp are evenly distributed, and is refrigerated with semiconductor refrigerating; Constitute by magnetic agitation driver (1), magnetic stir bar (2) and (3), heating (4), water-bath (5), sample liquid container (6), Tc meter (7), contact tehermometer (8), semiconductor refrigerating element (9) and control module (10) part.
Heating (4), semiconductor refrigerating element (9) and contact tehermometer (8) are contained in suitable place in the water-bath (5), and magnetic stir bar (2) is positioned at the bottom of water-bath (5).In have the sample liquid container with cover (6) that is inserted with Tc meter (7) on magnetic stir bar (3), the lid fixedly to be suspended in the water in the water-bath (5) with appropriate format.Water-bath (5) is placed in above the magnetic agitation driver (1) together with other member of inside.The driven by power of magnetic agitation driver (1), heating (4), semiconductor refrigerating element (9) and contact tehermometer (8) and signal transmit lead-in wire and are electrically connected with control module (10) corresponding interface respectively.Control module (10) has the power-line plug of a connection power supply.
2 operation principles:
As shown in drawings, to install in the water-bath (5) after water (or other conduct heat use liquid medium), sample liquid container (6) added sample liquid, contact tehermometer (8) and be transferred to temperature control point in advance, just can open the magnetic agitation driver (1) in (on power supply in advance) control module (10) and the switch (or adjuster) of electrical heating elements (4) (or semiconductor refrigerating element (9)) successively, begin heating or cooling under the magnetic agitation condition carried out in water-bath (thereby to sample liquid).When being transferred object (sample liquid temp) near preset temperature, the temperature show value of contrast Tc meter (7) puts the temperature control point fine setting in place by regulating contact tehermometer (8), thereby can guarantee that controlled object keeps constant temperature on set point., control the unlatching when temperature constant state of heating element heater (4) or cooling module (9) automatically or close according to the state in the contact tehermometer (8) by the control circuit of control module (10).
By contact temperature take into account temperature controlled function that interlock circuit carries out also the feedback temperature control loop of available other form finish, as temperature indicating controller (TIC).
This water bath with thermostatic control accurately is controlled at the temperature of water-bath at room temperature condition usually and is higher or lower than room temperature condition.When the temperature spot that requires to control is higher than room temperature, only need enables heating element heater (4) and make water-bath keep constant temperature with supplementary heating and (by the water-bath wall) natural heat dissipation mode.When the temperature that requires to control was lower than room temperature, the absorb heat naturally mode of combination of the refrigeration of semiconductor refrigerating element (9) and (by the water-bath wall) of only need enabling made water-bath maintenance constant temperature.
There is aspirating hole that itself and vacuum system are joined on sample liquid container (6) lid, is used for the concentrated effect that waits operation of sample liquid vacuum thereby can obtain this water-bath.
Beneficial effect
Compared following advantage with traditional water bath with thermostatic control:
1. owing to be heating under water-bath and sample liquid stir simultaneously, it is in time accurate both can to have accomplished to control temperature, can guarantee by the uniformity of temperature profile of constant temperature system.This is that general water bath with thermostatic control is difficult to accomplish.
2. owing to simultaneously the heating and cooling heat exchange element is housed, therefore can be conveniently implemented under the normal temperature and temperature be controlled at the position that is higher or lower than room temperature.This also is that general water-bath is not accomplished.
3. be the magnetic agitation principle owing to what use, therefore, the material that is subjected to constant temperature can both guarantee the uniform while of temperature by the mode of adding a cover as being effumability, prevents the volatilization loss of solvent in thermostatic process again.And this also be general water bath with thermostatic control can not accomplish.
4. owing to use sample liquid container with cover, lid is provided with and connects the interface that vacuum system is connected, and therefore can utilize this water-bath easily, under the evenly good condition of the about heat exchange of sample liquid container, realizes the operation of the vacuum evaporation and so on to sample liquid.
Description of drawings
Accompanying drawing is a rapid temperature rise and drop constant temperature water bath apparatus schematic diagram.1. magnetic agitation driver, 2. magnetic stir bar, 3. magnetic stir bar, 4. heating, 5. water-bath, 6. sample liquid container, 7. Tc meter, 8. contact tehermometer, 9. semiconductor refrigerating element, 10. control module.
The specific embodiment
Constitute and operation principle part and accompanying drawing referring to system.As can be seen, the parts manufacturing technology that the utility model relates to is very common, and technology maturation.Just can realize function of the present utility model as long as they are combined by suitable mode.Control module (10) and magnetic agitation driver (1) can be combined in the same cabinet compactly.
Claims (5)
1. a constant temperature water bath apparatus with the heating element heater heating, is used the contact tehermometer A.T.C, it is characterized in that utilizing magnetic agitation that water-bath and sample liquid temp are evenly distributed, and forms the rapid temperature rise and drop constant temperature water bath apparatus with the semiconductor refrigerating element; It constitutes: heating (4), semiconductor refrigerating element (9) and contact tehermometer (8) are contained in suitable place in the water-bath (5), magnetic stir bar (2) is positioned at the bottom of water-bath (5), in magnetic stir bar (3) is arranged, the sample liquid container with cover (6) that is inserted with Tc meter (7) on the lid fixedly is suspended in the interior water of water-bath (5) with appropriate format, water-bath (5) is placed in above the magnetic agitation driver (1) together with other member of inside, magnetic agitation driver (1), heating (4), the driven by power of semiconductor refrigerating element (9) and contact tehermometer (8) and signal transmit lead-in wire and are electrically connected with control module (10) corresponding interface respectively, and control module (10) has the power-line plug of a connection power supply.
2. a kind of constant temperature water bath apparatus according to claim 1 is characterized in that when the temperature spot that requires to control is higher than room temperature, only need enable heating element heater (4) and make water-bath keep constant temperature with supplementary heating with by water-bath wall natural heat dissipation mode.
3. a kind of constant temperature water bath apparatus according to claim 1 is characterized in that when the temperature that requires to control is lower than room temperature, only need enable the refrigeration of semiconductor refrigerating element (9) and make water-bath maintenance constant temperature by the absorb heat naturally mode of combination of water-bath wall.
4. a kind of constant temperature water bath apparatus according to claim 1 is characterized in that having aspirating hole that itself and vacuum system are joined on sample liquid container (6) lid.
5. a kind of constant temperature water bath apparatus according to claim 1, it is characterized in that temperature control also the feedback temperature control loop of available other form finish, as temperature indicating controller (TIC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03219498 CN2605062Y (en) | 2003-01-20 | 2003-01-20 | Rapid temperature rise-reduce thermostatic water bath device for experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03219498 CN2605062Y (en) | 2003-01-20 | 2003-01-20 | Rapid temperature rise-reduce thermostatic water bath device for experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2605062Y true CN2605062Y (en) | 2004-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03219498 Expired - Fee Related CN2605062Y (en) | 2003-01-20 | 2003-01-20 | Rapid temperature rise-reduce thermostatic water bath device for experiment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489354A (en) * | 2011-11-30 | 2012-06-13 | 盛司潼 | System for controlling constant temperature metal bath and method thereof |
| CN101219403B (en) * | 2007-10-17 | 2012-06-20 | 上海电力学院 | Liquid cooling cooling-down type thermostatic bath system and intelligent temperature control method |
| CN103235004A (en) * | 2013-04-23 | 2013-08-07 | 湖南三德科技股份有限公司 | Heat insulation type spontaneous combustion testing equipment |
| CN105128233A (en) * | 2015-09-11 | 2015-12-09 | 河南平高电气股份有限公司 | Glyd-ring heating device and heating bracket thereof |
| CN105536626A (en) * | 2016-02-03 | 2016-05-04 | 苏州贝茵医疗器械有限公司 | Programmable control type double-temperature-control and double-speed-control stirring device |
| CN107899630A (en) * | 2017-12-20 | 2018-04-13 | 重庆骄直电气有限公司 | Laboratory thermostat |
-
2003
- 2003-01-20 CN CN 03219498 patent/CN2605062Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219403B (en) * | 2007-10-17 | 2012-06-20 | 上海电力学院 | Liquid cooling cooling-down type thermostatic bath system and intelligent temperature control method |
| CN102489354A (en) * | 2011-11-30 | 2012-06-13 | 盛司潼 | System for controlling constant temperature metal bath and method thereof |
| CN102489354B (en) * | 2011-11-30 | 2014-05-28 | 盛司潼 | System for controlling constant temperature metal bath and method thereof |
| CN103235004A (en) * | 2013-04-23 | 2013-08-07 | 湖南三德科技股份有限公司 | Heat insulation type spontaneous combustion testing equipment |
| CN103235004B (en) * | 2013-04-23 | 2015-12-23 | 湖南三德科技股份有限公司 | A kind of heat-insulating spontaneous combustion testing apparatus |
| CN105128233A (en) * | 2015-09-11 | 2015-12-09 | 河南平高电气股份有限公司 | Glyd-ring heating device and heating bracket thereof |
| CN105536626A (en) * | 2016-02-03 | 2016-05-04 | 苏州贝茵医疗器械有限公司 | Programmable control type double-temperature-control and double-speed-control stirring device |
| CN107899630A (en) * | 2017-12-20 | 2018-04-13 | 重庆骄直电气有限公司 | Laboratory thermostat |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |