CN106940575A - A kind of nine hole cryogenic thermostat bath apparatus - Google Patents
A kind of nine hole cryogenic thermostat bath apparatus Download PDFInfo
- Publication number
- CN106940575A CN106940575A CN201710264725.5A CN201710264725A CN106940575A CN 106940575 A CN106940575 A CN 106940575A CN 201710264725 A CN201710264725 A CN 201710264725A CN 106940575 A CN106940575 A CN 106940575A
- Authority
- CN
- China
- Prior art keywords
- coolant
- reservoir
- temperature
- bath
- cryogenic thermostat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
Abstract
The invention discloses a kind of nine holes cryogenic thermostat bath apparatus, including bath cabinet, the reservoir for being used for storing coolant is provided with bath cabinet, provided with coolant and for measuring the temperature sensors of high precision of coolant temperature and detection means for measuring coolant liquid level in reservoir, liquid storage trench bottom is communicated with pipeline and for making coolant in reservoir and the magnetic drive pump of connecting pipeline interior circulation, and connecting line peripheral hardware is used to reduce the refrigeration system of coolant temperature.It is an object of the invention to provide cryogenic thermostat a kind of high to temperature control precision and easy to operate bath, the present invention is used as power set using magnetic drive pump, magnetic agitation is carried out while circulation power is provided for coolant, and to coolant in reservoir, it is ensured that coolant temperature is uniform；The present invention is provided with multiple sample refrigeration hole positions, and multigroup experiment can be not only carried out simultaneously, test efficiency is improved, the guarantee test condition that can also try one's best is identical, the accuracy of result of the test is improved.
Description
Technical field
The present invention relates to low-temperature test technical field, more particularly to a kind of nine holes cryogenic thermostat bath apparatus.
Background technology
Cryogenic thermostat bath is widely used in oil, chemical industry, electronic instrument, physics, chemistry, bioengineering, medical and health, life
The research departments such as life science, light industry and food, physical property measurement and chemical analysis, institution of higher learning, enterprise's quality inspection and production division.For examination
The experiment of product steady temperature or test for testing sample or production provide cold controlled, temperature homogeneous constant the field source of a heat.Also may be used
It is used as the thermal source or low-temperature receiver for directly heating/freezing and aid in heating/refrigerating.
Conventional cryogenic constant temperature bath is generally provided only with a sample refrigeration hole position, can only be sequentially placed into single material to be detected
Tested in case shell, then because cryogenic thermostat bath its operating conditions are continually changing, cause sampling test efficiency low and test
Accuracy is not easily-controllable.
The content of the invention
It is an object of the invention to provide cryogenic thermostat a kind of high to temperature control precision and easy to operate bath, the low temperature is permanent
Warm bath has multiple sample refrigeration hole positions, and multigroup experiment can be not only carried out simultaneously, test efficiency is improved, and can also ensure as far as possible
Experimental condition is identical, improves the accuracy of result of the test.
For achieving the above object, the technical scheme is that：A kind of nine hole cryogenic thermostat bath apparatus, including it is desk-top
Bath cabinet, is provided with the reservoir for being used for storing coolant in bath cabinet, reservoir volume be in 30L, reservoir provided with coolant and
For measuring the temperature sensors of high precision of coolant temperature and liquid level detection device for measuring coolant height, reservoir
Bottom is communicated with pipeline and for making coolant in reservoir and the magnetic drive pump of connecting pipeline interior circulation, connecting line peripheral hardware
Refrigeration system for reducing coolant temperature；Bath cabinet is externally provided with the inlet connected with reservoir, and coolant passes through inlet
Inject reservoir；Bath cabinet upper surface middle part is provided with sample well, and sample hole number is nine, and multiplies three square array point in three
Cloth, port lid of the sample well provided with covering sample well, port lid lower surface, which is provided with encapsulant, port lid, to be additionally provided with and port lid one
The pull-type sample gondola of design, sample gondola volume is 1000mL；Being provided with rear side of bath cabinet upper surface is used for the control that system is controlled
Device and LCDs processed, controller are electric with temperature sensors of high precision, liquid level detection device, magnetic drive pump and refrigeration system respectively
PLC programmable logic controller (PLC)s are provided with connection, controller, and by the automatic precisely temperature control of PLC programmable logic controller (PLC)s, it is real
When show temperature control curve, and send alarm when coolant exceedes temperature control scope.
Further, the refrigeration system includes being sequentially provided with connecting on the interior circulation line for being equipped with cryogen, circulation line
The heat exchanger of pipeline connection, the compressor connected with heat exchanger, the ventilation blower connected with compressor, connect with ventilation blower
Condenser, the filter connected with condenser, are provided with heating power expansion valve, heating power expansion valve and filtering between heat exchanger and filter
Magnetic valve is provided between device, heat exchanger is provided with first pressure table with compressor chamber, and second pressure is provided between compressor and ventilation blower
Table.
Further, the controller is also associated with alarm device, when coolant liquid level is less than setting height, alarm device
Alarm.
Further, the temperature control scope is 2 °~10 °.
The beneficial effects of the invention are as follows：
1st, the present invention uses magnetic drive pump as power set, while circulation power is provided for coolant, and in reservoir
Coolant carries out magnetic agitation, it is ensured that coolant temperature is uniform；
2nd, the present invention is provided with multiple sample refrigeration hole positions, and multigroup experiment can be not only carried out simultaneously, test efficiency is improved, may be used also
To try one's best, guarantee test condition is identical, improves the accuracy of result of the test.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below in conjunction with accompanying drawing.
As shown in figure 1, a kind of nine holes cryogenic thermostat bath apparatus, including desk-top bath cabinet, bath cabinet is interior to be provided with for storing cooling
The reservoir 1 of liquid 2, the volume of reservoir 1 is that coolant 2 and the height for measuring the temperature of coolant 2 are provided with 30L, reservoir 1
Accuracy temperature sensor and the liquid level detection device for measuring the height of coolant 2, the bottom of reservoir 1 be communicated with pipeline 3 with
And for making coolant 2 in reservoir 1 and the magnetic drive pump 4 of the interior circulation of connecting pipeline 3, the peripheral hardware of connecting line 3, which is used to reduce, to be cooled down
The refrigeration system 5 of the temperature of liquid 2；Bath cabinet is externally provided with the inlet 6 connected with reservoir 1, and coolant 2 is injected by inlet 6 stores up
Liquid bath 1；Bath cabinet upper surface middle part is provided with sample well 8, and the quantity of sample well 8 is nine, and multiplies three square array distribution, sample in three
Port lid 19 of the sample wells 8 provided with covering sample well 8, port lid 19（Do not marked in figure）Lower surface is provided with encapsulant, port lid 19
The pull-type sample gondola with the Integral design of port lid 19 is additionally provided with, sample gondola volume is 1000mL；Set on rear side of bath cabinet upper surface
There is the controller 7 and LCDs controlled for system, controller 7 is filled with temperature sensors of high precision, level sensing respectively
Put, magnetic drive pump 4 and refrigeration system 5 are electrically connected, PLC programmable logic controller (PLC)s are provided with controller 7, and it is programmable by PLC
The automatic precisely temperature control of logic controller, temperature control curve is included on LCDs in real time, and exceed temperature control model in coolant 2
Alarm is sent when enclosing, sample temperature fall time is less than or equal to ten minutes；Further, the temperature control scope is 2 °~10 °.
The refrigeration system 5 includes being sequentially provided with and connecting pipeline 3 on the interior circulation line 9 for being equipped with cryogen, circulation line 9
The heat exchanger 10 of connection, the compressor 11 connected with heat exchanger 10, the ventilation blower 12 and ventilation blower connected with compressor 11
The condenser 13 of 12 connections, the filter 14 connected with condenser 13, are provided with thermal expansion between heat exchanger 10 and filter 14
Valve 15, is provided with magnetic valve 16 between heating power expansion valve 15 and filter 14, first pressure is provided between heat exchanger 10 and compressor 11
Table 17, is provided with second pressure table 18 between compressor 11 and ventilation blower 12.
The operation principle of the refrigeration system 5：Liquid refrigerant in heat exchanger 10 absorbs the heat of coolant and opened
Begin to evaporate, final liquid refrigerant evaporating completely is changed into gaseous state, under the effect of ventilation blower 12, gaseous refrigerant is inhaled by compressor 11
Enter and be compressed into high temperature, gases at high pressure, high temperature, gases at high pressure again by condenser 13 it is air-cooled/water-cooled absorb heat, condense into height
Geothermal liquid refrigerant, high-temp liquid refrigerant becomes low temperature, low pressure liquid refrigerant after being throttled by heating power expansion valve 15 and gone forward side by side
Enter heat exchanger 10, complete refrigerant circulating process, the temperature fall time of coolant 2 is less than or equal to 30 minutes.
The controller 7 is also associated with alarm device, when the liquid level of coolant 2 is less than setting height, alarm device alarm.
Described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the present invention.
Claims (4)
1. being provided with a kind of nine holes cryogenic thermostat bath apparatus, it is characterised in that including desk-top bath cabinet, bath cabinet is used to store coolant
Reservoir, reservoir volume is 30L, and coolant and the high-precision temperature for measuring coolant temperature are provided with reservoir
Sensor and the liquid level detection device for measuring coolant height, liquid storage trench bottom are communicated with pipeline and for making cooling
Liquid is in reservoir and the magnetic drive pump of connecting pipeline interior circulation, and connecting line peripheral hardware is used to reduce the refrigeration system of coolant temperature；
Bath cabinet is externally provided with the inlet connected with reservoir, and coolant injects reservoir by inlet；Bath cabinet upper surface middle part is provided with
Sample well, sample hole number is nine, and multiplies three square array distribution, hole of the sample well provided with covering sample well in three
Lid, port lid lower surface, which is provided with encapsulant, port lid, is additionally provided with sample gondola, and sample gondola volume is 1000mL；Bath cabinet upper table
Being provided with rear side of face is used for controller and LCDs that system is controlled, controller respectively with temperature sensors of high precision, liquid level
PLC programmable logic controller (PLC)s are provided with detection means, magnetic drive pump and refrigeration system electrical connection, controller, and can be compiled by PLC
The automatic precisely temperature control of journey logic controller, in real time display temperature control curve, and alarm is sent when coolant exceedes temperature control scope.
2. a kind of nine holes cryogenic thermostat bath apparatus according to claim 1, it is characterised in that the refrigeration system includes interior
It is equipped with and the heat exchanger being connected with connecting pipeline is sequentially provided with the circulation line of cryogen, circulation line, is connected with heat exchanger
Compressor, the ventilation blower connected with compressor, the condenser connected with ventilation blower, the filter that is connected with condenser, heat hands over
Heating power expansion valve is provided between parallel operation and filter, magnetic valve, heat exchanger and compressor are provided between heating power expansion valve and filter
Between be provided with first pressure table, between compressor and ventilation blower be provided with second pressure table.
3. a kind of nine holes cryogenic thermostat bath apparatus according to claim 1, it is characterised in that the controller is also associated with
Alarm device, when coolant liquid level is less than setting height, alarm device alarm.
4. a kind of nine holes cryogenic thermostat bath apparatus according to claim 1, it is characterised in that the temperature control scope is 2 °~
10°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710264725.5A CN106940575A (en) | 2017-04-21 | 2017-04-21 | A kind of nine hole cryogenic thermostat bath apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710264725.5A CN106940575A (en) | 2017-04-21 | 2017-04-21 | A kind of nine hole cryogenic thermostat bath apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106940575A true CN106940575A (en) | 2017-07-11 |
Family
ID=59463819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710264725.5A Pending CN106940575A (en) | 2017-04-21 | 2017-04-21 | A kind of nine hole cryogenic thermostat bath apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106940575A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2681050Y (en) * | 2004-02-05 | 2005-02-23 | 徐月明 | Dynamic thermostatic circulating device with wide temperature range |
| US20050239212A1 (en) * | 2002-11-15 | 2005-10-27 | Yunping Huang | High temperature incubation system and method for small volumes |
| JP2010075870A (en) * | 2008-09-26 | 2010-04-08 | Taitec Corp | Thermostat for physical and chemical test |
| CN201912952U (en) * | 2010-09-28 | 2011-08-03 | 中国人民解放军第二军医大学 | Constant temperature water bath device for radioactive drugs |
| CN202497887U (en) * | 2012-01-31 | 2012-10-24 | 山东鲁维制药有限公司 | Electrically-heated thermostatic water bath for heating multiple test tubes |
| CN203044053U (en) * | 2013-02-22 | 2013-07-10 | 苏州二叶制药有限公司 | Ninety-six-well liquid reaction plate |
| CN203778089U (en) * | 2014-04-15 | 2014-08-20 | 中国水产科学研究院东海水产研究所 | Cold accumulating sampling box |
| CN203990708U (en) * | 2014-03-18 | 2014-12-10 | 中国农业科学院兰州畜牧与兽药研究所 | When a kind of application of sample, place the ice chest of centrifuge tube |
| CN205495645U (en) * | 2016-01-21 | 2016-08-24 | 定陶县地元生化制品有限公司 | Special test tube basket of thermostat water bath |
| CN206696720U (en) * | 2017-04-21 | 2017-12-01 | 北京新能联合仪器仪表厂 | A kind of nine hole cryogenic thermostat bath apparatus |
-
2017
- 2017-04-21 CN CN201710264725.5A patent/CN106940575A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050239212A1 (en) * | 2002-11-15 | 2005-10-27 | Yunping Huang | High temperature incubation system and method for small volumes |
| CN2681050Y (en) * | 2004-02-05 | 2005-02-23 | 徐月明 | Dynamic thermostatic circulating device with wide temperature range |
| JP2010075870A (en) * | 2008-09-26 | 2010-04-08 | Taitec Corp | Thermostat for physical and chemical test |
| CN201912952U (en) * | 2010-09-28 | 2011-08-03 | 中国人民解放军第二军医大学 | Constant temperature water bath device for radioactive drugs |
| CN202497887U (en) * | 2012-01-31 | 2012-10-24 | 山东鲁维制药有限公司 | Electrically-heated thermostatic water bath for heating multiple test tubes |
| CN203044053U (en) * | 2013-02-22 | 2013-07-10 | 苏州二叶制药有限公司 | Ninety-six-well liquid reaction plate |
| CN203990708U (en) * | 2014-03-18 | 2014-12-10 | 中国农业科学院兰州畜牧与兽药研究所 | When a kind of application of sample, place the ice chest of centrifuge tube |
| CN203778089U (en) * | 2014-04-15 | 2014-08-20 | 中国水产科学研究院东海水产研究所 | Cold accumulating sampling box |
| CN205495645U (en) * | 2016-01-21 | 2016-08-24 | 定陶县地元生化制品有限公司 | Special test tube basket of thermostat water bath |
| CN206696720U (en) * | 2017-04-21 | 2017-12-01 | 北京新能联合仪器仪表厂 | A kind of nine hole cryogenic thermostat bath apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108870821B (en) | Low-temperature cooling equipment using refrigerator as cold source | |
| CN105987862B (en) | The test device and method of solubility and viscosity | |
| CN108469450B (en) | Multifunctional steam condensation heat exchange and frosting process visualization experiment device | |
| CN104677000A (en) | Liquid nitrogen cooling cryogenic device and implementation method for same | |
| CN204479433U (en) | The proving installation of solubleness and viscosity | |
| CN203990662U (en) | Standard moisture absorption moisture content experiment climatic chamber | |
| CN103063694A (en) | Integrated freezing-thawing test machine | |
| CN206696720U (en) | A kind of nine hole cryogenic thermostat bath apparatus | |
| CN105353809A (en) | Semiconductor temperature and humidity control device | |
| CN104062201A (en) | Experimental device for measuring technological parameters of vacuum drying and vacuum freeze drying processes | |
| CN204314242U (en) | A kind of water circulation type freezing-thawing test machine | |
| CN102374718A (en) | Fermented food refrigerator and control method thereof | |
| CN106940575A (en) | A kind of nine hole cryogenic thermostat bath apparatus | |
| CN206132450U (en) | Pure steam generator on -line automatic detection device | |
| CN106525893A (en) | Pavement semi-rigid base material freeze thawing test machine | |
| CN108132438B (en) | New energy motor high-low temperature test system | |
| CN204287093U (en) | Stretch based on super magnetic hysteresis the solid interface thermal contact resistance proving installation of intellectual material | |
| CN108037149B (en) | Porous site device for rapidly and automatically measuring cold and hot circulation of phase-change material and measuring method thereof | |
| CN206399870U (en) | Semi-rigid base course material freezing-thawing test machine | |
| CN1281119C (en) | Movable mixed cloud chamber for continuous supply of super-cooling fog | |
| CN204380715U (en) | A kind of low-temperature refrigeration device for low frequency mechanoscopy test experiments | |
| CN104535345B (en) | A kind of evaporator of refrigerator and module performance test system and method thereof | |
| CN204702759U (en) | Microbiological incubator | |
| CN212302319U (en) | Temperature control system for determining chemical stability of energetic material | |
| CN212904235U (en) | Geomembrane tensile test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170711 |
|
| RJ01 | Rejection of invention patent application after publication |