CN2760892Y - Automatic constant temperature heating device - Google Patents
Automatic constant temperature heating device Download PDFInfo
- Publication number
- CN2760892Y CN2760892Y CN 200520032731 CN200520032731U CN2760892Y CN 2760892 Y CN2760892 Y CN 2760892Y CN 200520032731 CN200520032731 CN 200520032731 CN 200520032731 U CN200520032731 U CN 200520032731U CN 2760892 Y CN2760892 Y CN 2760892Y
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- heater
- temperature
- heating device
- heat transfer
- thermal conductor
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Abstract
The utility model relates to an automatic constant temperature heating device. It comprises a casing, a heater in the casing, a heat transfer body, a thermal reaction coil, a temperature control and thermometric instrument and a temperature sensor. The heat transfer body is arranged on the heater. The thermal reaction coil is wound on the heat transfer body, and its liquor feeding end and liquor outlet end are extended out of the casing. The temperature sensor is arranged in the temperature field formed by the heat transfer body, and its outlet end is connected with the input end of the temperature control and thermometric instrument. The outlet end of temperature control and thermometric instrument is connected with the power of the heater to control the on-off of the power of the heater. In addition, an insulating sleeve can also be provided. The insulating sleeve is sheathed on the heat transfer body and the heater. The shape and size of the insulating sleeve can be matched with the shape and size of the combination of the heat transfer body and the heater. The heating device of the utility model is convenient to adjust and control the temperature so as to avoid overheating. The thermal reaction coil is evenly heated; the temperature of the fluid which flows through the thermal reaction coil is constant. Besides, the temperature meets the reaction requirements and is in favor of the assurance of the testing precision.
Description
Technical field
The utility model belongs to the heater that Flow Injection Analysis, ion chromatography, efficient liquid phase chromatographic analysis are used, particularly a kind of automatic constant temperature heating device.
Background technology
Flow Injection Analysis, ion chromatography and efficient liquid phase chromatographic analysis need heated constant temperature when analyzing some material, in such cases, fluid flow through the heating reactor coil, to react at a certain temperature be the essential condition that guarantees measuring accuracy.
Oil bath or water-bath heater and cartridge type heater are generally adopted in the heating of heating reactor coil.Oil bath or water-bath heater mainly are made of the container of heating stirrer and charge of oil or water, during use, the heating reactor coil are placed in the container that a certain amount of oil or water are housed, and oil or water are as heat transfer medium.This kind heater is oil or constantly evaporation of water in heating process, thereby needs makeup oil or water every now and then, not only make troubles to operating personnel, and the constant temperature effect is relatively poor.The cartridge type heater mainly is made of resistance heater and the heat transfer tube that is installed on the heater, and the tube that conducts heat is done by copper, during use, the heating reactor coil is placed in the tube that conducts heat and makes the fluid of the heating reactor coil of flowing through reach certain temperature.The heating of this kind heater is even inadequately, easily overheated in addition, and the fluid that heats reactor coil that causes flowing through produces steam bubble interference analysis detection.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of automatic constant temperature heating device is provided, this kind heater can make the fluid temperature (F.T.) of the heating reactor coil of flowing through constant and meet the reaction requirement, avoids fluid superheat to produce steam bubble, and is simultaneously easy to operate.
Automatic constant temperature heating device described in the utility model comprises shell, is positioned at heater, thermal conductor, heating reactor coil, temperature control temperature instrumentation and the temperature sensor of shell; Thermal conductor is installed on the heater, the heating reactor coil is wrapped on the thermal conductor, its liquid feeding end and outlet end pass shell, temperature sensor is installed in the temperature field of thermal conductor formation, its output is connected with the input of temperature control temperature instrumentation, transmit actual temperature information to the temperature control temperature instrumentation, the output of temperature control temperature instrumentation is connected with the power supply of heater, the break-make of control heater power supply.
During use, the control range of design temperature on the temperature control temperature instrumentation as required, when the fluid temperature (F.T.) of the heating reactor coil of flowing through reaches the control temperature, temperature sensor sends information to the temperature control temperature instrumentation, the temperature control temperature instrumentation cuts off the power supply of heater, when the fluid temperature (F.T.) of the heating reactor coil of flowing through was lower than the control temperature, temperature sensor sent information to the temperature control temperature instrumentation, the power supply of temperature control temperature instrumentation conducting heater.
In order to realize goal of the invention better, the utility model has also been taked following technical measures:
1, heater mainly by matrix, be installed in the ceramic heating element on the matrix and connect ceramic heating element and the wire assembly of power supply is formed.
2, thermal conductor constitutes by plate body with perpendicular to the heat transfer sheet of plate body setting, and the heating reactor coil is wrapped on the heat transfer sheet that is provided with perpendicular to plate body; The quantity of heat transfer sheet both can be even number, can be odd number also, but was preferably odd number and is at least three.When heat transfer sheet was odd number, the heating reactor coil was wrapped on the heat transfer sheet at interval, and the heat transfer sheet that is wound with the heating reactor coil is not wound with between the heating plate that heats reactor coil at two.
3, be provided with muff, muff is set on thermal conductor and the heater, and shape and size after its shape and size make up with thermal conductor and heater are complementary.
4, the inwall at muff top is coated with thermal insulation layer.
The utlity model has following beneficial effect:
1, owing to disposed temperature control temperature instrumentation and temperature sensor, thereby is convenient to regulating and controlling temperature, makes the fluid temperature (F.T.) of the heating reactor coil of flowing through constant and meet the reaction requirement, avoid overheated.
2, since the ceramic heating element of heater when temperature is elevated to certain value, no longer raise, thereby constant in certain limit from thermal source guaranteed the to flow through fluid temperature (F.T.) of heating reactor coil.
3, the structure of thermal conductor makes the heating reactor coil be heated evenly.
4, the setting of muff and thermal insulation layer not only can improve the heat efficiency, strengthens the constant temperature effect, energy savings, and also the fluid temperature (F.T.) in the heating reactor coil is higher than 50 ℃ of useful lifes that also do not influence the temperature control temperature instrumentation.
5, all members are loaded in the housing, and are rational in infrastructure, easy to operate.
Description of drawings
Fig. 1 is a kind of structure chart of automatic constant temperature heating device described in the utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is another structure chart of automatic constant temperature heating device described in the utility model;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the circuit connection diagram of temperature control temperature instrumentation and heater.
Among the figure, 1-temperature control temperature instrumentation, 2-shell, 3-thermal conductor, 4-heating reactor coil, 5-temperature sensor, 6-matrix, 7-heating element, 8-muff, 9-thermal insulation layer.
Embodiment
The structure of the automatic constant temperature heating device in the present embodiment comprises shell 2 as shown in Figure 1 and Figure 2, is positioned at heater, thermal conductor 3, heating reactor coil 4, temperature control temperature instrumentation 1 and the temperature sensor 5 of shell.Thermal conductor 3 constitutes by rectangular slab with perpendicular to the heat transfer sheet of rectangular slab setting, and material is a cast aluminium, and heat transfer sheet has six; The heating reactor coil is wrapped on each heat transfer sheet, and its liquid feeding end and outlet end pass shell 2.Heater by insulating body 6, be installed in the ceramic heating element 7 on the matrix and connect ceramic heating element and the wire assembly of power supply constitutes, the rectangular slab of thermal conductor 3 is installed on the heater.Temperature sensor 5 and temperature control temperature instrumentation 1 are the commercial goods, temperature sensor 5 is installed in the temperature field of thermal conductor 3 formation, its output is connected with the input of temperature control temperature instrumentation 1, the output of temperature control temperature instrumentation 1 be connected with the power supply of heater, the break-make of control heater power supply, as shown in Figure 5.
The structure of the automatic constant temperature heating device in the present embodiment as shown in Figure 3, Figure 4.Difference from Example 1 is: 1, the heat transfer sheet of thermal conductor 3 is nine, and heating reactor coil 4 is wrapped on the heat transfer sheet at interval, and the heat transfer sheet that is wound with the heating reactor coil is not wound with between the heating plate that heats reactor coil at two.2, be provided with the muff 8 that compressed asbestos sheet is made, muff 8 is set on thermal conductor and the heater, and shape and size after its shape and size make up with thermal conductor and heater are complementary; The inwall at muff top is coated with the thermal insulation layer 9 that polymeric foamed material is made.
Claims (10)
1, a kind of automatic constant temperature heating device, it is characterized in that comprising shell (2), be positioned at the heater of shell, thermal conductor (3), heating reactor coil (4), temperature control temperature instrumentation (1) and temperature sensor (5), thermal conductor (3) is installed on the heater, heating reactor coil (4) is wrapped on the thermal conductor, its liquid feeding end and outlet end pass shell (2), temperature sensor (5) is installed in the temperature field of thermal conductor (3) formation, its output is connected with the input of temperature control temperature instrumentation (1), and the output of temperature control temperature instrumentation (1) is connected with the power supply of heater.
2, automatic constant temperature heating device according to claim 1, it is characterized in that heater mainly by matrix (6), be installed in the ceramic heating element (7) on the matrix and connect ceramic heating element and the wire assembly of power supply is formed.
3, automatic constant temperature heating device according to claim 1 and 2 is characterized in that thermal conductor (3) constitutes by plate body with perpendicular to the heat transfer sheet of plate body setting, and the heating reactor coil is wrapped on the heat transfer sheet that is provided with perpendicular to plate body.
4, automatic constant temperature heating device according to claim 3, it is characterized in that being odd number and being at least three perpendicular to the quantity of the heat transfer sheet of plate body setting, the heating reactor coil is wrapped on the heat transfer sheet at interval, and the heat transfer sheet that is wound with the heating reactor coil is not wound with between the heating plate that heats reactor coil at two.
5, automatic constant temperature heating device according to claim 1 and 2, it is characterized in that also being provided with muff (8), muff is set on thermal conductor (3) and the heater, and shape and size after its shape and size make up with thermal conductor (3) and heater are complementary.
6, automatic constant temperature heating device according to claim 3 is characterized in that also being provided with muff (8), and muff is set on thermal conductor (3) and the heater, and shape and size after its shape and size make up with thermal conductor (3) and heater are complementary.
7, automatic constant temperature heating device according to claim 4 is characterized in that also being provided with muff (8), and muff is set on thermal conductor (3) and the heater, and shape and size after its shape and size make up with thermal conductor (3) and heater are complementary.
8, automatic constant temperature heating device according to claim 5 is characterized in that the inwall at muff (8) top is coated with thermal insulation layer (9).
9, automatic constant temperature heating device according to claim 6 is characterized in that the inwall at muff (8) top is coated with thermal insulation layer (9).
10, automatic constant temperature heating device according to claim 7 is characterized in that the inwall at muff (8) top is coated with thermal insulation layer (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520032731 CN2760892Y (en) | 2005-01-07 | 2005-01-07 | Automatic constant temperature heating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520032731 CN2760892Y (en) | 2005-01-07 | 2005-01-07 | Automatic constant temperature heating device |
Publications (1)
Publication Number | Publication Date |
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CN2760892Y true CN2760892Y (en) | 2006-02-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200520032731 Expired - Lifetime CN2760892Y (en) | 2005-01-07 | 2005-01-07 | Automatic constant temperature heating device |
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CN (1) | CN2760892Y (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100393176C (en) * | 2005-01-07 | 2008-06-04 | 四川大学 | Automatic thermostatic heater |
CN102944633A (en) * | 2012-10-31 | 2013-02-27 | 青岛轩汇仪器设备有限公司 | Ion chromatograph |
CN107091848A (en) * | 2017-05-25 | 2017-08-25 | 四川莱源科技有限公司 | The fibre moisture used in high temperature environments obtains instrument |
CN107291113A (en) * | 2017-07-04 | 2017-10-24 | 中国科学院国家空间科学中心 | A kind of vacuum temperature control light path purifier |
CN110646552A (en) * | 2019-10-23 | 2020-01-03 | 无锡市凯奥善生物医药科技有限公司 | Chromatographic column temperature control system and method |
-
2005
- 2005-01-07 CN CN 200520032731 patent/CN2760892Y/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100393176C (en) * | 2005-01-07 | 2008-06-04 | 四川大学 | Automatic thermostatic heater |
CN102944633A (en) * | 2012-10-31 | 2013-02-27 | 青岛轩汇仪器设备有限公司 | Ion chromatograph |
CN107091848A (en) * | 2017-05-25 | 2017-08-25 | 四川莱源科技有限公司 | The fibre moisture used in high temperature environments obtains instrument |
CN107091848B (en) * | 2017-05-25 | 2019-12-20 | 四川莱源科技有限公司 | Fiber product moisture acquisition instrument used in high-temperature environment |
CN107291113A (en) * | 2017-07-04 | 2017-10-24 | 中国科学院国家空间科学中心 | A kind of vacuum temperature control light path purifier |
CN107291113B (en) * | 2017-07-04 | 2018-12-04 | 中国科学院国家空间科学中心 | A kind of vacuum temperature control optical path purification device |
CN110646552A (en) * | 2019-10-23 | 2020-01-03 | 无锡市凯奥善生物医药科技有限公司 | Chromatographic column temperature control system and method |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080604 |
|
C25 | Abandonment of patent right or utility model to avoid double patenting |