CN104353512B - A kind of full encirclement formula water-bath circulation constant temperature heating unit - Google Patents

A kind of full encirclement formula water-bath circulation constant temperature heating unit Download PDF

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CN104353512B
CN104353512B CN201410529962.6A CN201410529962A CN104353512B CN 104353512 B CN104353512 B CN 104353512B CN 201410529962 A CN201410529962 A CN 201410529962A CN 104353512 B CN104353512 B CN 104353512B
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pipeline
upper cover
pipes
sub
constant temperature
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CN104353512A (en
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黄高祥
赖远强
赵志翔
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Edan Instruments Inc
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Edan Instruments Inc
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Abstract

<b>the present invention relates to technical field of medical equipment, it is specifically related to a kind of full encirclement formula water-bath circulation constant temperature heating unit, the present invention comprises: lower casing, described lower casing is provided with solution cavity, described solution cavity is equipped with analyte container and temp probe, described analyte container upper end is provided with vessel port, it is characterized in that, the movable upper end of described lower casing is bonded to upper cover, described upper cover is provided with closed upper cover pipeline, described upper cover install pipeline is in the top of analyte container, the first end of described upper cover pipeline is connected to the first pipeline, its the 2nd termination has second pipe, described first pipeline is connected to the 3rd pipeline by liquid pump, described 3rd pipeline is conducted by the first interface and solution cavity, described second pipe is connected to the 4th pipeline by well heater, described 4th pipeline is conducted by the 2nd interface and solution cavity. the rate of heating of the present invention is fast, temperature-stable, and test accurately, and adopts articulated joint mode to arrange between upper cover and lower casing, the extraction of analyte is very convenient.</b>

Description

A kind of full encirclement formula water-bath circulation constant temperature heating unit
Technical field
The present invention relates to technical field of medical equipment, it is specifically related to a kind of full encirclement formula water-bath circulation constant temperature heating unit��
Background technology
Liquid circulation constant temperature structure is widely used in the fields such as Bioexperiment research and medical in-vitro diagnosis checking, liquid circulation constant temperature heating device main in existing market, and its principle of work is as follows: arrange tank, heating member, temp probe, water pump etc. in container; Lead to into the quantitative aqueous solution in tank, by heating member, this aqueous solution is heated, detect this aqueous solution real time temperature by temp probe and feed back to main frame and regulate heating member power by main frame, by water pump/pipeline make this aqueous solution by set path, flow rate and finally make in container aqueous temperature unanimously overall; Being immersed in the aqueous solution by testee, testee is by finally realizing with aqueous temperature consistent with the thermal exchange of the aqueous solution.
And the development along with medical skill, accurate medical facilities are more and more higher to the requirement of isoperibol, such as in Bloodgas Analyzer working process, test blood need strictly to keep 37 �� of C constant temperature in test process, otherwise by the test number seriously affecting every gas in blood thus affect test result.
But, foregoing thermostatic mode all needs that analyte is immersed in solution completely just can make analyte consistent with liquid in container temperature. And blood must conveniently extract in vim and vigour test process, therefore blood vessel need to design the opening exposing constant temperature liquid. Therefore existing thermostatic mode can not meet this working conditions��
Summary of the invention
For overcoming above-mentioned defect, namely the object of the present invention is to provide a kind of full encirclement formula water-bath circulation constant temperature heating unit.
It is an object of the invention to be achieved through the following technical solutions:
A kind of full encirclement formula water-bath circulation constant temperature heating unit of the present invention, comprise: lower casing, described lower casing is provided with solution cavity, described solution cavity is equipped with analyte container and temp probe, described analyte container upper end is provided with vessel port, the movable upper end of described lower casing is bonded to upper cover, described upper cover is provided with closed upper cover pipeline, described upper cover install pipeline is in the top of analyte container, the first end of described upper cover pipeline is connected to the first pipeline, its the 2nd termination has second pipe, described first pipeline is connected to the 3rd pipeline by liquid pump, described 3rd pipeline is conducted by the first interface and solution cavity, described second pipe is connected to the 4th pipeline by well heater, described 4th pipeline is conducted by the 2nd interface and solution cavity.
Further, being provided with toroidal membrane in described solution cavity, this solution cavity is divided into outer sap cavity and interior sap cavity by described toroidal membrane, is conducted by lead channel between described inside and outside sap cavity, and described analyte container is positioned in interior sap cavity.
Further, being provided with partition board between the outer wall of described toroidal membrane and the inwall of solution cavity, described first interface and the 2nd interface branch are arranged on bottom the solution cavity of these partition board both sides.
Further, being provided with cover gab in described upper cover, on described upper cover gab, activity is connected to sealing plug, and described upper cover gab is arranged at the surface of described vessel port.
Further, the lower surface of described upper cover is provided with sealing-ring, and described sealing-ring matches with the top of toroidal membrane.
Further, the upper end of described lower casing is equipped with upper casing turning axle, is connected by this upper casing turning axle between described lower casing and upper cover.
Further, being provided with container stationary shaft in described solution cavity, described container stationary shaft is used for fixing this analyte container.
Further, described first pipeline comprises: the first sub-pipes and the 2nd sub-pipes, and described first sub-pipes one end connects with the first end of upper cover pipeline, and its other end is connected with the 2nd sub-pipes by pipeline connection, and described 2nd sub-pipes connects with liquid pump; Described second pipe comprises: the 3rd sub-pipes and the 4th sub-pipes, and described 3rd sub-pipes one end connects with the 2nd end of upper cover pipeline, and its other end is connected with the 4th sub-pipes by pipeline connection, and described 4th sub-pipes connects with well heater.
Further, described analyte container adopts stainless material composition, and it is conical structure.
Operationally, in the upper cover that heated solution is stored in sealing and lower casing, not with the loss of contacting external air empty calory, rate of heating is fast, temperature-stable in the present invention. Simultaneously analyte container wrapped up completely by upper cover, lower casing and heat and not with contacting external air, therefore rate of heating block, temperature-stable, test accurately, and adopts articulated joint mode to arrange between upper cover and lower casing, the extraction of analyte is very convenient.
Accompanying drawing explanation
For ease of illustrating, the present invention is described in detail by following better embodiment and accompanying drawing.
Fig. 1 is the decomposition structural representation of the present invention;
Fig. 2 is the one-piece construction schematic diagram of the present invention;
Fig. 3 is the sectional structure schematic diagram of the present invention;
Fig. 4 is the schematic diagram of the liquid circulation process in the present invention;
Fig. 5 is the liquid position schematic diagram in the present invention.
Embodiment
In order to make the object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in more detail. It is to be understood that specific embodiment described herein is only in order to explain the present invention, it is not intended to limit the present invention.
Refer to Fig. 1 and Fig. 5, the present invention is a kind of full encirclement formula water-bath circulation constant temperature heating unit, comprise: lower casing 6, described lower casing 6 is provided with solution cavity, being equipped with analyte container 4 and temp probe 5 in described solution cavity, temp probe 5 realizes the temperature detection of the aqueous solution, and data feed back to product main frame, adjust heating member power by main frame in good time, thus realize heating and the preservation and controlling of the aqueous solution, described analyte container 4 upper end is provided with vessel port, the movable upper end of described lower casing 6 is bonded to upper cover 2, the mode of its articulated joint comprises: be hinged by turning axle, by modes such as screw thread cooperatively interact, described upper cover 2 is provided with closed upper cover pipeline 201, described upper cover pipeline 201 is arranged at the top of analyte container 4, the first end of described upper cover pipeline 201 is connected to the first pipeline, its the 2nd termination has second pipe, described first pipeline is connected to the 3rd pipeline 14 by liquid pump 13, described 3rd pipeline 14 is conducted by the first interface and solution cavity, when liquid pump 13 works, it makes pipeline produce negative pressure, thus make solution flow into solution cavity from the 2nd interface, flow out from the first interface again, described second pipe is connected to the 4th pipeline 7 by well heater 8, described 4th pipeline 7 is conducted by the 2nd interface and solution cavity. being provided with pipeline in described well heater 8, heater strip is uniformly distributed in pipeline periphery, solution is heated by heater strip by during the pipeline of well heater 8 inside. realize the control of heating heat by controlling the power of heater strip, thus control the Heating temperature of the aqueous solution.
Further, described solution cavity is provided with toroidal membrane 602, this solution cavity is divided into outer sap cavity 603 and interior sap cavity 601 by described toroidal membrane 602, is conducted by lead channel 604 between described inside and outside sap cavity 601,603, and described analyte container 4 is positioned in interior sap cavity.
Further, being provided with partition board 606 between the outer wall of described toroidal membrane 602 and the inwall of solution cavity, described first interface and the 2nd interface branch are arranged on bottom the solution cavity of these partition board 606 both sides.
Further, being provided with cover gab 202 in described upper cover 2, on described upper cover gab 202, activity is connected to sealing plug 1, and described upper cover gab 202 is arranged at the surface of described vessel port. Sealing plug 1 adopts silica gel material, is fixed on upper cover gab 202 by shrink-fit; Sealing plug 1 plays the upper cover gab 202 of sealing, ensures that analyte container 4 is completely wrapped in thermostatically heating process.
Further, the lower surface of described upper cover 2 is provided with sealing-ring 3, and described sealing-ring 3 matches with the top of toroidal membrane 602. Sealing-ring 3 adopts silica gel material, is fixed to the cooperation position of upper cover 2 by shrink-fit; Sealing encloses sap cavity 601 in sealing, makes not produce air inerchange between outer sap cavity 603, interior sap cavity 601, it is to increase product heating efficiency, and ensures temperature-stable.
Further, the upper end of described lower casing 6 is equipped with upper casing turning axle 11, is connected by this upper casing turning axle 11 between described lower casing 6 and upper cover 2.
Further, being provided with container stationary shaft 605 in described solution cavity, described container stationary shaft 605 is for fixing this analyte container 4.
Further, described first pipeline comprises: the first sub-pipes 9 and the 2nd sub-pipes 12, described first sub-pipes 9 one end connects with the first end of upper cover pipeline 201, and its other end is connected with the 2nd sub-pipes 12 by pipeline connection, and described 2nd sub-pipes 12 connects with liquid pump 13; Described second pipe comprises: the 3rd sub-pipes 10 and the 4th sub-pipes 15, described 3rd sub-pipes 10 one end connects with the 2nd end of upper cover pipeline 201, its the other end is connected with the 4th sub-pipes 15 by pipeline connection, and described 4th sub-pipes 15 connects with well heater 8.
Further, described analyte container 4 adopts stainless material to form, and it is conical structure.
The Concrete workflow journey of the present invention being further explained with an embodiment below, it is specially:
Appropriate tested liquid 200 is injected in analyte container 4;
Suitable quantity of water solution 100 is injected to the solution cavity in lower casing 6;
Liquid pump 13 is energized work:
By the 3rd pipeline 14, the aqueous solution 100 is sucked from the outer sap cavity 603 lower casing 6,
The aqueous solution 100 is successively by, after the 2nd sub-pipes 12, first sub-pipes 9, flowing to upper cover pipeline 201;
The aqueous solution 100 is by, after upper cover pipeline 201, entering the 3rd sub-pipes 10, the 4th sub-pipes 15 successively, and flow to heating member 8, and the aqueous solution 100 heats in heating member 8;
The aqueous solution 100 flows in the outer sap cavity 603 of lower casing 6 by the 4th pipeline 7;
Because of dividing plate 606 iris action, the aqueous solution 100 is along outer sap cavity 603, and interior sap cavity 601 counterclockwise flow, inside and outside sap cavity is by lead channel 604 conducting.
Therefore under the driving of water pump 13, upper cover 2 realizes at the uniform velocity flowing with the aqueous solution 100 in the inside and outside sap cavity of lower casing 6.
Heating member energising work:
The aqueous solution flowing through heating member 8 is heated, and finally reaches the temperature of setting;
Temp probe works:
Temp probe 5 is immersed in the aqueous solution 100 completely, in good time the detection aqueous solution 100 temperature, and is fed back in instrument by temperature value.
Instrument suitably adjusts the heating power of heating member 8 according to temperature value, makes the aqueous solution reach and stablize the temperature value remaining on setting.
The foregoing is only the better embodiment of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. done within the spirit and principles in the present invention, all should be included within protection scope of the present invention.

Claims (9)

1. a full encirclement formula water-bath circulation constant temperature heating unit, comprise: lower casing, described lower casing is provided with solution cavity, described solution cavity is equipped with analyte container and temp probe, described analyte container upper end is provided with vessel port, it is characterized in that, the movable upper end of described lower casing is bonded to upper cover, described upper cover is provided with closed upper cover pipeline, described upper cover install pipeline is in the top of analyte container, the first end of described upper cover pipeline is connected to the first pipeline, its the 2nd termination has second pipe, described first pipeline is connected to the 3rd pipeline by liquid pump, described 3rd pipeline is conducted by the first interface and solution cavity, described second pipe is connected to the 4th pipeline by well heater, described 4th pipeline is conducted by the 2nd interface and solution cavity.
2. full encirclement formula water-bath circulation constant temperature heating unit according to claim 1, it is characterized in that, described solution cavity is provided with toroidal membrane, this solution cavity is divided into outer sap cavity and interior sap cavity by described toroidal membrane, being conducted by lead channel between described inside and outside sap cavity, described analyte container is positioned in interior sap cavity.
3. full encirclement formula water-bath circulation constant temperature heating unit according to claim 2, it is characterized in that, being provided with partition board between the outer wall of described toroidal membrane and the inwall of solution cavity, described first interface and the 2nd interface branch are arranged on bottom the solution cavity of these partition board both sides.
4. full encirclement formula water-bath circulation constant temperature heating unit according to claim 3, it is characterised in that, described upper cover is provided with cover gab, on described upper cover gab, activity is connected to sealing plug, and described upper cover gab is arranged at the surface of described vessel port.
5. full encirclement formula water-bath circulation constant temperature heating unit according to claim 4, it is characterised in that, the lower surface of described upper cover is provided with sealing-ring, and described sealing-ring matches with the top of toroidal membrane.
6. full encirclement formula water-bath circulation constant temperature heating unit according to claim 5, it is characterised in that, the upper end of described lower casing is equipped with upper casing turning axle, is connected by this upper casing turning axle between described lower casing and upper cover.
7. full encirclement formula water-bath circulation constant temperature heating unit according to claim 6, it is characterised in that, described solution cavity is provided with container stationary shaft, described container stationary shaft is used for fixing this analyte container.
8. full encirclement formula water-bath circulation constant temperature heating unit according to claim 7, it is characterized in that, described first pipeline comprises: the first sub-pipes and the 2nd sub-pipes, described first sub-pipes one end connects with the first end of upper cover pipeline, its the other end is connected with the 2nd sub-pipes by pipeline connection, and described 2nd sub-pipes connects with liquid pump; Described second pipe comprises: the 3rd sub-pipes and the 4th sub-pipes, and described 3rd sub-pipes one end connects with the 2nd end of upper cover pipeline, and its other end is connected with the 4th sub-pipes by pipeline connection, and described 4th sub-pipes connects with well heater.
9. full encirclement formula water-bath circulation constant temperature heating unit according to claim 8, it is characterised in that, described analyte container adopts stainless material composition, and it is conical structure.
CN201410529962.6A 2014-09-30 2014-09-30 A kind of full encirclement formula water-bath circulation constant temperature heating unit Active CN104353512B (en)

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CN105779289B (en) * 2016-05-26 2018-01-26 山东省农业科学院农产品研究所 The enzymolysis device of polysaccharide extracting process in a kind of peanut meal

Citations (6)

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Publication number Priority date Publication date Assignee Title
JPH08192058A (en) * 1995-01-19 1996-07-30 Suzuki Motor Corp Thermostatic bath
WO2003025226A1 (en) * 2001-09-15 2003-03-27 Ahram Biosystems Inc. Method and apparatus for amplification of nucleic acid sequences by using thermal convection
CN2610223Y (en) * 2003-04-11 2004-04-07 贺雁广 Small chemical vapour tester
KR20100112905A (en) * 2009-04-10 2010-10-20 주식회사 제이오텍 Freeze drying apparatus
CN201873684U (en) * 2010-11-29 2011-06-22 河南省兽药监察所 Constant temperature circulating bath device
CN202983724U (en) * 2012-11-20 2013-06-12 郑州长城科工贸有限公司 Circulating bath device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08192058A (en) * 1995-01-19 1996-07-30 Suzuki Motor Corp Thermostatic bath
WO2003025226A1 (en) * 2001-09-15 2003-03-27 Ahram Biosystems Inc. Method and apparatus for amplification of nucleic acid sequences by using thermal convection
CN2610223Y (en) * 2003-04-11 2004-04-07 贺雁广 Small chemical vapour tester
KR20100112905A (en) * 2009-04-10 2010-10-20 주식회사 제이오텍 Freeze drying apparatus
CN201873684U (en) * 2010-11-29 2011-06-22 河南省兽药监察所 Constant temperature circulating bath device
CN202983724U (en) * 2012-11-20 2013-06-12 郑州长城科工贸有限公司 Circulating bath device

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