CN102059163B - Liquid thermostat tank without stirrer - Google Patents
Liquid thermostat tank without stirrer Download PDFInfo
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- CN102059163B CN102059163B CN 201010612707 CN201010612707A CN102059163B CN 102059163 B CN102059163 B CN 102059163B CN 201010612707 CN201010612707 CN 201010612707 CN 201010612707 A CN201010612707 A CN 201010612707A CN 102059163 B CN102059163 B CN 102059163B
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Abstract
The invention relates to a liquid thermostat tank without a stirrer, comprising a main thermostat tank and an auxiliary thermostat tank. The auxiliary thermostat tank is arranged beside the main thermostat tank and communicated with the main thermostat tank through a pipeline and a pipeline pump; the main thermostat tank is used for fulfilling the main functions of the liquid thermostat tank and balancing the temperature of liquids, is in the cylinder shape and is made of a metal material with high thermal conductivity; and the auxiliary thermostat tank is also in the cylinder shape, is also made of a metal material with high thermal conductivity and is used for providing liquids the temperature of which can be adjusted in a certain range and has certain temperature uniformity and stability and reducing the impact of cold and hot sources to the main thermostat tank. Because both the working area and the temperature controlling area of the liquid thermostat tank do not comprise stirrers, the effective space of the working area is greatly enlarged; and furthermore, because an instrument with a larger volume can be arranged in the working area so as to be calibrated, the problem on the difficult calibration of the instrument can be fundamentally solved. The liquid thermostat tank without a stirrer has practical value and wide application prospect in the engineering.
Description
(1) technical field
The present invention relates to a kind of liquid thermostatic bath of not belt stirrer, its distinguishing feature is that agitator is not set in thermostat, structural design by thermostat and corresponding component thereof realizes " stirring " to liquid, it can be inserted whole calibrating sensor and instrument in the thermostat, especially to the sensor demarcated or instrument volume when bigger effect remarkable.Belong to the liquid constant temperature equipment technical field.
(2) background technology
In recent years, along with developing rapidly of field key technologies such as meteorology, electronics, pharmacy, space flight, biology, surrounding environment is especially had higher requirement to the detection of temperature, not only require the certainty of measurement height, and require measurement category wide, temperature sensor or thermometric instruments that this not only needs corresponding precision, measurement category more need corresponding calibration technique and equipment.In real work, the precision of temperature sensor or thermometric instruments is not only relevant with itself performance, and closely related with the performance of employed collimation technique and equipment.In the demarcation of temperature sensor, usually adopt good uniformity, the high thermostat of stability to come to provide high-precision temperature field for sensor or the instrument demarcated, the liquid thermostatic bath of generally producing at present both at home and abroad and using as shown in Figure 1 and Figure 2, but all there is certain defective in the thermostat of these two kinds of structures.Thermostat major defect wherein shown in Figure 1 is: 1) the workspace flow rate of liquid is inhomogeneous, is unfavorable for forming homogeneous temperature field; 2) the thermostat effective working space is little, only accounts for half of whole thermostat.Thermostat major defect shown in Figure 2 is: all in a cell body, the influence of Cooling and Heat Source is difficult to eliminate, and causes non-uniform temperature for Cooling and Heat Source and workspace.The thermostat of these two kinds of structures of what is more important has following common ground: the 1) mode that about being on the position, disposes of workspace and temperature adjustment district, and the workspace is subject to external environmental interference; 2) there is agitator at thermostat, owing to there is agitator to exist, the effective volume of thermostat is reduced, the especially incorporate thermometric instruments volume ratio of temperature sensor of demarcating when needs just is difficult to realize even can not place thermostat to demarcate when big, its main cause just is that the thermostat center has the shaft of agitator, and calibration sensor and instrument can only be put into the space between constant temperature cell wall and the stirrer shaft.Designed a kind of thermostat that does not have agitator based on above-mentioned present situation the present invention.
(3) summary of the invention
1, purpose: for overcoming the liquid thermostatic bath deficiency in actual applications that has agitator at present, the invention provides a kind of liquid thermostatic bath of not belt stirrer, it has fundamentally solved thermostat and has effectively measured the relatively little problem of volume, for the bigger temperature sensor of some volume ratios and the application of demarcation in industrial reality of incorporate thermometric instruments provide a new approach.
2, technical scheme:
See Fig. 3, the liquid thermostatic bath of a kind of not belt stirrer of the present invention is made up of main thermostat and auxiliary thermostat.Position annexation between them is: auxiliary thermostat is arranged on by the main thermostat, and they interconnect by pipeline and tubing pump.
Described main thermostat, i.e. the main body of this thermostat is used to finish the main functionality of thermostat, it is cylindric, adopt thermal conductivity big metal material make, play the effect of balanced fluid temperature; This main thermostat in the vertical direction is divided into two parts up and down by honeycomb screen with holes, its the first half is being divided into workspace and temperature adjustment district in the radial direction, the centre separates with " funnel-form " metal partion (metp), and the central area that the workspace is positioned at main thermostat is surrounded by the temperature adjustment district; Be provided with double helix shape heat exchanger tube in the temperature adjustment district, and this heat exchanger tube surrounds metal partion (metp) with respective heights, to obtain even, the stable flow field of temperature; Be provided with the scatterer that has inclined hole in the metal partion (metp) bottom, so that in the workspace, become laminar flow through liquid thereafter.Temperature adjustment district sidewall is near top place's perforate, be connected to main thermostat liquid return tube road, reflux line can be controlled liquid according to liquid height and be back to auxiliary thermostat, is consistent and realizes the exchange of liquid between the two to realize liquid level in main thermostat and the auxiliary thermostat; At the metal partion (metp) lower position temperature sensor is installed, so that the workspace fluid temperature is measured.Near bottom place's perforate, be connected to main thermostat liquid injecting tube road at main thermostat the latter half sidewall, to realize of the injection of auxiliary thermostat to main thermostat liquid; Be provided with thermostat loam cake for convenience detach at main thermostat top, so that the liquid feeding and the sealing of the putting into of caliberating device, thermostat.
Described auxiliary thermostat has the cylinder-like structure identical with main thermostat, and being used for provides the adjustable liquid with uniform temperature uniformity and stability of temperature within the specific limits and reduce the impact of Cooling and Heat Source to main thermostat to main thermostat.It adopts the big metal material of thermal conductivity to make, and plays the effect of balanced fluid temperature; Be provided with a ring heater so that liquid is heated in auxiliary thermostat bottom with certain power; The position of certain altitude is provided with " hemisphere platform " guiding device empty in above auxiliary thermostat internal heater; By 4-6 layer honeycomb screen with holes space in the auxiliary thermostat in guiding device top is evenly separated, adjacent two honeycomb screen apertures misplace mutually, to realize " stirring " effect to liquid, liquid are fully mixed.Temperature sensor has been installed to measure its internal liquid temperature in position, auxiliary thermostat sidewall middle and lower part; Sidewall bottom, auxiliary thermostat bottom sustained height relative position has two holes in order to connect auxiliary tank liquid injecting tube road A, B; Auxiliary thermostat top side wall upper part sustained height relative position has two holes in order to connect auxiliary tank liquid return tube road A, B; Auxiliary tank liquid return tube road B also connects two magnetic valves, and the other end of two magnetic valves connects the water inlet and the delivery port of cooling-water machine respectively, and the cooling-water machine delivery port is connected with auxiliary tank liquid injecting tube road B more then; Be provided with the auxiliary tank loam cake at auxiliary thermostat top, to auxiliary thermostat sealing.
Wherein, the cylindrical shell thickness of described main thermostat, auxiliary thermostat is 3～5mm.
Wherein, described scatterer adopts the big metal material of thermal conductivity to make, be fixed on the circumference of dividing plate bottom, being shaped as the thickness that an inside hollows out is 3～5mm " turbination " bucket, on its taper seat, have 100～150 and become 15～30 ° inclined hole, so that in the workspace, become laminar flow through liquid thereafter with the circular cone axis.
Wherein, described honeycomb screen is one to have the circular metal plate of 270～360 apertures, make the liquid that enters from the liquid injecting tube road under the tubing pump effect, pass through honeycomb screen with the form of jet from main thermostat bottom, with the abundant mixing of original liquid in the liquid realizing entering from main thermostat liquid injecting tube road and the main thermostat, play certain " stirrings " and act on.
Wherein, described heat exchanger tube is coiled to form by metal bellows, be the double helix shape, in order to eliminate temperature adjustment district longitudinal temperature gradient, the precision control of warm area temperature is exchanged in realization, they vertically pass temperature adjustment district sidewall, and an end is connected with tubing pump, and the other end connects the liquid injecting tube road A of auxiliary thermostat and the liquid return tube road of main thermostat more respectively.
Wherein, described main thermostat liquid return tube road is parallel to the junction in auxiliary tank liquid injecting tube road A and heat exchanger tube liquid output pipe road, make winner's thermostat liquid can natural back flow to auxiliary thermostat, to realize adjusting and control to main thermostat temperature by changing auxiliary thermostat liquid.
Wherein, described main thermostat liquid injecting tube road is positioned at sidewall bottom and main thermostat sidewall quadrature, it is connected with auxiliary tank liquid return tube road A by tubing pump on the one hand, link to each other with heat exchanger tube liquid injecting tube road on the other hand, promptly three pipelines connect and present " parallel connection " structure, and this connection has realized auxiliary thermostat liquid flowing to main thermostat and heat exchanger tube under the dynamic action that tubing pump provides.
Wherein, described tubing pump is the IHG50-125 tubing pump that Jingjiang City Austriaization pump industry Manufacturing Co., Ltd produces, for the liquid circulation provides power.
Wherein, described temperature sensor is a Pt100 platinum resistance temperature sensor that has sheath, to realize the measurement to the workspace temperature.
Wherein, described thermostat loam cake and auxiliary tank loam cake are the circular metal plate of thickness 3～5mm, respectively in order to the sealing to the two.
Wherein, described guiding device adopts the big metal material of thermal conductivity to make, hollow little big " hemisphere platform " shape of bore down of bore of going up, and it is bore and auxiliary thermostat equal diameters down, highly is 50～100mm, and its function is to change the flow rate of liquid and the flow direction.
Wherein, described ring heater be that resistance is 30 Ω, power is the self-control heater of 15KW.
Wherein, described auxiliary tank liquid injecting tube road A is connected with heat exchanger tube liquid output pipe road with main thermostat liquid return tube road respectively.
Wherein, described auxiliary tank liquid injecting tube road B is connected with auxiliary tank liquid return tube road B by magnetic valve on the one hand, the self-loopa of liquid when realizing need not cooling off; Be connected with the cooling-water machine delivery port on the other hand.
Wherein, described auxiliary tank liquid return tube road A is connected with heat exchanger tube liquid injecting tube road with main thermostat liquid injecting tube road respectively by tubing pump.
Wherein, described auxiliary tank liquid return tube road B is connected with the cooling-water machine water inlet by magnetic valve, comes liquid is lowered the temperature by cooling-water machine when needing cooling with realization.
Wherein, described magnetic valve is the ZCLD-50 magnetic valve that Shanghai flood tide magnetic valve Manufacturing Co., Ltd produces, and the two matches to realize the switching of liquid between refrigerating circuit and heating circuit.
Wherein, described cooling-water machine is that Beijing match is difficult to understand with the SA-7W water-cooled Cool-water Machine for Industry that becomes plant equipment Co., Ltd to produce, and is used for liquid is cooled.
All pipelines of mentioning among the present invention all adopt the big metal material processing of thermal conductivity to form.
3, advantage and effect: the beneficial effect that the present invention had is:
(1) by structural design to thermostat and corresponding component thereof, make the workspace and the temperature control district of thermostat all no longer include agitator, thereby increased the workspace useful space greatly, not only can the temperature sensor that some volume ratios are less putting into the workspace demarcates, also can place the workspace to demarcate for the bigger incorporate temperature sensing device of some volume ratios and some and the closely-related instrument and meter device of temperature (conductivity gauge), fundamentally solve the problem that these apparatus are demarcated difficulty.
(2) by dividing plate the thermostat bath is divided into temperature control district and workspace, wherein the flat-temperature zone is positioned at the thermostat center, its peripheral controlled warm area surrounds, and has effectively blocked external environment to the workspace Temperature Influence, thereby has improved the antijamming capability and and the stability and the uniformity of temperature of thermostat.
(3) liquid thermostatic bath of waving a kind of not belt stirrer provided by the invention, the inventor yet there are no the report of this aspect at present, for the design of related fields from now on provides valid approach and reference.
(4) description of drawings
Fig. 1 is single barrel of subregion thermostat structural representation in the prior art;
Fig. 2 is a two-stage thermostat structural representation in the prior art;
Fig. 3 is the not structural representation of the liquid thermostatic bath of belt stirrer of the present invention;
Be the symbol description of each figure below:
1 '-agitator; 2 '-the constant temperature cell body; 1,3 '-workspace;
12,4 '-the temperature adjustment district; 3-heat exchanger tube liquid output pipe road; 4-heat exchanger tube liquid injecting tube road;
5,11 '-tubing pump; 6,21,23 '-honeycomb screen; The 7-scatterer;
8-master's thermostat liquid injecting tube road; 9,18-temperature sensor; The 10-heat exchanger tube;
The 11-metal partion (metp); 13-master's thermostat liquid return tube road; 14-thermostat loam cake;
15,20 '-ring heater; 16-auxiliary tank liquid injecting tube road A; 17-auxiliary tank liquid return tube road A;
2,17 '-main thermostat; 19 '-condenser; 19-assists the thermostat workspace
20,18 '-auxiliary thermostat; 21 '-the heat exchange base plate; 22 '-circulating line;
22-auxiliary tank loam cake; 23-auxiliary tank liquid return tube road B; 24,26-magnetic valve;
24 '-valve; 25-cooling-water machine water inlet; 25 '-primary heater;
26 '-auxiliary heater; The 27-cooling-water machine; The 28-guiding device;
29-cooling-water machine delivery port; 30-auxiliary tank liquid injecting tube road B;
(5) specific embodiment
As shown in Figure 3, be the present invention's structural representation of the liquid thermostatic bath of belt stirrer not.For accurate temperature control thermostat, two main requirement are arranged: (1) temperature in calibration process must keep stable; (2) temperature of The whole control volume must be evenly.
The liquid thermostatic bath of a kind of not belt stirrer of the present invention is made up of main thermostat 2 and auxiliary thermostat 20.Wherein main thermostat 2, i.e. the main body of this thermostat is used to finish the main functionality of thermostat, is cylindric, adopts the big stainless steel material of thermal conductivity, and thickness is 5mm, plays the effect of balanced fluid temperature; These main thermostat 2 in the vertical directions are divided into two parts up and down by honeycomb screen 6 with holes, wherein its first half is being divided into workspace 1 and temperature adjustment district 12 in the radial direction, the centre separates with " funnel-form " metal partion (metp) 11, and the central area that workspace 1 is positioned at main thermostat 2 is surrounded by temperature adjustment district 12; Be provided with spiral heat exchange tube 10 in the temperature adjustment district 12, and this heat exchanger tube 10 is in respective heights encirclement metal partion (metp) 11, to obtain even, the stable flow field of temperature; Be provided with the scatterer 7 that has 150 inclined holes in metal partion (metp) 11 bottoms, so that in workspace 1, become laminar flow through liquid thereafter.Temperature adjustment district 12 sidewalls are near top place's perforate, be connected to main thermostat liquid return tube road 13, this main thermostat liquid return tube road 13 can be controlled liquid according to liquid level and be back to auxiliary thermostat 20, is consistent and realizes the exchange of liquid between the two to realize liquid levels in main thermostat 2 and the auxiliary thermostat 20; At metal partion (metp) 11 highly for the 200mm place is equipped with temperature sensor 9, so that workspace 1 fluid temperature is measured.At main thermostat 2 the latter half side-wall holes, be connected to main thermostat liquid injecting tube road 8, to realize of the injection of auxiliary thermostat 20 to main thermostat 2 liquid; Be provided with thermostat loam cake 14 for convenience detach at main thermostat 2 tops, so that the liquid feeding and the sealing of the putting into of caliberating device, main thermostat 2.
The auxiliary thermostat 20 of second important component part of the present invention has identical with main thermostat 2 cylindric, and being used for provides the adjustable liquid with temperature homogeneity and stability of temperature within the specific limits and reduce the impact of Cooling and Heat Source to main thermostat 2 to main thermostat 2.It adopts the big stainless steel material of thermal conductivity, and thickness is 5mm, plays the effect of balanced fluid temperature; Be provided with one to have power be that the ring heater 15 of 15KW is to heat liquid in auxiliary thermostat 20 bottoms; In auxiliary thermostat 20 internal heaters 15 height is that the 30mm place is provided with " hemisphere platform " guiding device 28 empty in; By 5 layers of honeycomb screen 21 with holes auxiliary thermostat workspace 19 in the auxiliary thermostat 20 in guiding device 28 tops is evenly separated, adjacent two honeycomb screen apertures misplace mutually, to realize " stirring " effect to liquid, liquid are fully mixed.Temperature sensor 18 has been installed to measure fluid temperature in its groove at auxiliary thermostat 20 sidewall locations middle part; Auxiliary thermostat 20 bottom sidewall sustained height relative positions have two holes in order to connect auxiliary tank liquid injecting tube road A16 and auxiliary tank liquid injecting tube road B30; Auxiliary thermostat 20 top sidewall sustained height relative positions have two holes in order to connect auxiliary tank liquid return tube road A17 and auxiliary tank liquid return tube road B23; Auxiliary tank liquid return tube road B23 also connects two magnetic valves 24 and 26, and the magnetic valve 24 and 26 the other end connect the cooling-water machine water inlet 25 and the cooling-water machine delivery port 29 of cooling-water machine 27 respectively, and cooling-water machine delivery port 29 is connected with auxiliary tank liquid injecting tube road B30 more then; Be provided with auxiliary tank loam cake 22 at auxiliary thermostat 20 tops, to auxiliary thermostat 20 sealings.
In use, extract liquid in the auxiliary thermostat 20 by tubing pump 5, liquid enters heat exchanger tube 10 backs on the one hand after by auxiliary tank liquid return tube road A17 and is flowed out by heat exchanger tube liquid output pipe road 3 from heat exchanger tube liquid injecting tube road 4; Enter in the groove from main thermostat 2 bottoms by main thermostat liquid injecting tube road 8 on the other hand, being divided into two strand by metal partion (metp) 11 with mode of jet after by honeycomb screen 6 liquid continues upwards to flow, wherein one liquid is by scatterer 7, under its effect, make the liquid of workspace 1 form laminar flow, thereby make and do not have heat exchange between 1 each layer liquid of workspace (eliminating the influence of external environment condition) to workspace 1 so that workspace 1 temperature stabilization require under the temperature a certain, after upwards flowing through temperature adjustment district 12 and liquid by workspace 1 mixes, mixes with heat exchanger tube liquid output pipe road 3 trickles by main thermostat liquid return tube road 13 again another strand liquid, be back to auxiliary thermostat 20 by auxiliary tank liquid injecting tube road A16 at last, liquid continues to be continued upwards to flow by auxiliary thermostat 20, pass and pass through honeycomb screen 21 with mode of jet after guiding device 28 changes the flow velocity and the flow direction, through being divided into two strands after its preliminary rectification and " stirring ", one is back to main thermostat 2 by auxiliary tank liquid return tube road A17, realized the circulation of liquid between main thermostat 2 and the auxiliary thermostat 20, reached by changing auxiliary thermostat 20 interior fluid temperatures main thermostat 2 is carried out temperature controlled purpose; Whether another strand enters auxiliary thermostat 20 by auxiliary tank liquid return tube road B23 or via magnetic valve 26 backs by auxiliary tank liquid injecting tube road B30, select to make ring heater 15 work to decide as required liquid is heated up; Or enter cooling-water machine 27 by magnetic valve 24 by cooling-water machine water inlet 25 and carry out liquid cools cooling, enter auxiliary thermostat 20 by cooling-water machine delivery port 29 by auxiliary tank liquid injecting tube road B 30 at last.
Wherein said metal partion (metp) 11 is " funnel-form ", adopt the big stainless steel material of thermal conductivity to make, whole main thermostat 2 liquid bath are divided into workspace 1 and temperature adjustment district 12 two parts, the core of wherein main thermostat liquid bath is workspace 1, temperature adjustment district 12 is looped around around the workspace, this has blocked the heat exchange of workspace 1 with surrounding environment on the one hand, make workspace 1 temperature not be subjected to the influence of surrounding environment, on the other hand, by exchanging warm area 12 temperature controlling, can realize the basically identical of temperature adjustment district 12 and workspace 1 temperature.
Wherein said scatterer 7 adopts the big stainless steel material of thermal conductivity to make, be fixed on the circumference of metal partion (metp) 11 bottoms, what be shaped as that an inside hollows out has certain thickness " turbination " bucket, on its taper seat, have 150 and become 15 ° inclined hole, so that in workspace 1, become laminar flow through liquid thereafter with the circular cone axis.
Wherein said honeycomb screen 6 is to be with 360 aperture circular metal plates, make the liquid that enters from main thermostat liquid injecting tube road 8 under tubing pump 5 effects, pass through honeycomb screen 6 with the form of jet from main thermostat bottom, with the abundant mixing of original liquid in the liquid realizing entering and the main thermostat 2, play certain " stirrings " and act on from main thermostat liquid injecting tube road 8.
Wherein said heat exchanger tube 10 is coiled to form by metal bellows, is the double helix shape, in order to eliminate temperature adjustment district 12 longitudinal temperature gradients, realizes exchanging the precision control of warm area temperature 12.This heat exchanger tube one end is heat exchanger tube liquid output pipe road 3, the other end is heat exchanger tube liquid injecting tube road 4, they vertically pass temperature adjustment district 12 sidewalls, and series connection connects auxiliary thermostat liquid injecting tube road A16 and auxiliary thermostat liquid return tube road A17 respectively again with behind the tubing pump 5.
Wherein said main thermostat liquid return tube road 13 is parallel to the junction that auxiliary tank liquid injecting tube road A16 and heat exchanger tube liquid are exported 3 pipelines, make winner's thermostat 2 liquid natural back flow to auxiliary thermostat 20, to realize adjusting and control to main thermostat 2 temperature by changing liquid in the auxiliary thermostat 20.
Wherein said main thermostat liquid injecting tube road 8 is positioned at main thermostat 2 sidewall bottoms and main thermostat 2 sidewall quadratures, it is connected with auxiliary tank liquid return tube road A17 by tubing pump 5 on the one hand, link to each other with heat exchanger tube liquid injecting tube road 4 on the other hand, promptly three pipelines connect and present " parallel connection " structure, and this connection has realized auxiliary thermostat 20 liquid flowing to main thermostat 2 and heat exchanger tube 10 under the dynamic action that tubing pump 5 provides.
Wherein said tubing pump 5 is the IHG50-125 tubing pump that Jingjiang City Austriaization pump industry Manufacturing Co., Ltd produces, for the liquid circulation provides power.
Wherein said temperature sensor 9 and 18 is Pt100 platinum resistance temperature sensors that have sheath, to realize the measurement to workspace 1 and auxiliary thermostat workspace 19 temperature.
Wherein said guiding device 28 adopts the big stainless steel material of thermal conductivity, hollow little big " hemisphere platform " shape of bore down of bore of going up, and it is bore and auxiliary thermostat 20 equal diameters down, highly are 50mm, and its function is to change the flow rate of liquid and the flow direction.
Wherein said auxiliary tank liquid injecting tube road A16 is connected with heat exchanger tube liquid output pipe road 3 with main thermostat liquid return tube road 13 respectively.
Wherein said auxiliary tank liquid injecting tube road B30 is connected with auxiliary tank liquid return tube road B23 by magnetic valve 26 on the one hand, the self-loopa of liquid when realizing need not cooling off; Be connected with cooling-water machine delivery port 29 on the other hand.
Wherein said auxiliary tank liquid return tube road A17 is connected with heat exchanger tube liquid injecting tube road 4 with main thermostat liquid injecting tube road 8 respectively by tubing pump 5.
Wherein said auxiliary tank liquid return tube road 23 is connected with cooling-water machine water inlet 25 by magnetic valve 24, comes liquid is lowered the temperature by cooling-water machine 27 when needing cooling with realization.
Wherein said thermostat loam cake 14 and auxiliary tank loam cake 22 are the circular metal plate of 3mm for thickness, respectively in order to the sealing to the two.
Wherein said magnetic valve 24,26 is the ZCLD-50 magnetic valve that Shanghai flood tide magnetic valve Manufacturing Co., Ltd produces, and the two matches to realize the switching of liquid between refrigerating circuit and heating circuit.
Wherein said cooling-water machine 27 is difficult to understand with the SA-7W water-cooled Cool-water Machine for Industry that becomes plant equipment Co., Ltd to produce for Beijing match, is used for liquid is cooled.
Claims (14)
1. liquid thermostatic bath of belt stirrer not, it is characterized in that: it is made up of main thermostat and auxiliary thermostat, and auxiliary thermostat is arranged on by the main thermostat, and they interconnect by pipeline and tubing pump;
Described main thermostat, i.e. the main body of this thermostat is used to finish the main functionality of thermostat, it is cylindric, adopt thermal conductivity big metal material make, play the effect of balanced fluid temperature; This main thermostat in the vertical direction is divided into two parts up and down by honeycomb screen with holes, its the first half is being divided into workspace and temperature adjustment district in the radial direction, the centre separates with " funnel-form " metal partion (metp), and the central area that the workspace is positioned at main thermostat is surrounded by the temperature adjustment district; Be provided with double helix shape heat exchanger tube in the temperature adjustment district, and this heat exchanger tube surrounds metal partion (metp) with respective heights, to obtain even, the stable flow field of temperature; Be provided with the scatterer that has inclined hole in the metal partion (metp) bottom, so that in the workspace, become laminar flow through liquid thereafter; Temperature adjustment district sidewall is near top place's perforate, be connected to main thermostat liquid return tube road, reflux line is back to auxiliary thermostat according to liquid height control liquid, is consistent and realizes the exchange of liquid between the two to realize liquid level in main thermostat and the auxiliary thermostat; At the metal partion (metp) lower position temperature sensor is installed, so that the workspace fluid temperature is measured; Near bottom place's perforate, be connected to main thermostat liquid injecting tube road at main thermostat the latter half sidewall, to realize of the injection of auxiliary thermostat to main thermostat liquid; Be provided with thermostat loam cake for convenience detach at main thermostat top, so that the liquid feeding and the sealing of the putting into of caliberating device, thermostat;
Described auxiliary thermostat has the cylinder-like structure identical with main thermostat, and being used for provides the adjustable liquid with temperature homogeneity and stability of temperature and reduce the impact of Cooling and Heat Source to main thermostat to main thermostat; It adopts the big metal material of thermal conductivity to make, and plays the effect of balanced fluid temperature; Be provided with a ring heater so that liquid is heated in auxiliary thermostat bottom; Position above auxiliary thermostat internal heater is provided with " hemisphere platform " guiding device empty in; By 4-6 layer honeycomb screen with holes space in the auxiliary thermostat in guiding device top is evenly separated, adjacent two honeycomb screen apertures misplace mutually, to realize " stirring " effect to liquid, liquid are fully mixed; Temperature sensor has been installed to measure its internal liquid temperature in position, auxiliary thermostat sidewall middle and lower part; Sidewall bottom, auxiliary thermostat bottom sustained height relative position has two holes in order to connect auxiliary tank liquid injecting tube road A and auxiliary tank liquid injecting tube road B; Auxiliary thermostat top side wall upper part sustained height relative position has two holes in order to connect auxiliary tank liquid return tube road A and auxiliary tank liquid return tube road B; Auxiliary tank liquid return tube road B also connects two magnetic valves, and the other end of two magnetic valves connects the water inlet and the delivery port of cooling-water machine respectively, and the cooling-water machine delivery port is connected with auxiliary tank liquid injecting tube road B more then; Be provided with the auxiliary tank loam cake at auxiliary thermostat top, to auxiliary thermostat sealing.
2. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1 is characterized in that: the cylindrical shell thickness of this main thermostat, auxiliary thermostat is 3～5mm.
3. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1, it is characterized in that: this scatterer adopts the big metal material of thermal conductivity to make, be fixed on the circumference of metal partion (metp) bottom, being shaped as the thickness that an inside hollows out is 3～5mm " turbination " bucket, on its taper seat, have 100～150 and become 15～30 ° inclined hole, so that in the workspace, become laminar flow through liquid thereafter with the circular cone axis.
4. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1, it is characterized in that: this honeycomb screen is one to have the circular metal plate of 270～360 apertures, make the liquid that enters from the liquid injecting tube road under the tubing pump effect, pass through honeycomb screen with the form of jet from main thermostat bottom, with the abundant mixing of original liquid in the liquid realizing entering from main thermostat liquid injecting tube road and the main thermostat, play " stirrings " and act on.
5. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1, it is characterized in that: this heat exchanger tube is coiled to form by metal bellows, be the double helix shape, in order to eliminate temperature adjustment district longitudinal temperature gradient, the precision control of warm area temperature is exchanged in realization, this heat exchanger tube vertically passes temperature adjustment district sidewall, and heat exchanger tube one end is connected with tubing pump, and the heat exchanger tube other end connects the liquid injecting tube road A of auxiliary thermostat and the liquid return tube road of main thermostat more respectively.
6. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1, it is characterized in that: this main thermostat liquid return tube road is parallel to the junction in auxiliary tank liquid injecting tube road A and heat exchanger tube liquid output pipe road, make winner's thermostat liquid can natural back flow to auxiliary thermostat, to realize adjusting and control to main thermostat temperature by changing auxiliary thermostat liquid.
7. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1 is characterized in that: this temperature sensor is a Pt100 platinum resistance temperature sensor that has sheath, to realize the measurement to the workspace temperature.
8. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1 is characterized in that: this thermostat loam cake and auxiliary tank loam cake are the circular metal plate of thickness 3～5mm, respectively in order to the sealing to the two.
9. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1, it is characterized in that: this guiding device adopts the big metal material of thermal conductivity to make, hollow little big " hemisphere platform " shape of bore down of bore of going up, it is bore and auxiliary thermostat equal diameters down, highly be 50～100mm, its function is to change the flow rate of liquid and the flow direction.
10. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1 is characterized in that: this ring heater be that resistance is 30 Ω, power is the self-control heater of 15KW.
11. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1 is characterized in that: this auxiliary tank liquid injecting tube road A is connected with heat exchanger tube liquid output pipe road with main thermostat liquid return tube road respectively.
12. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1 is characterized in that: this auxiliary tank liquid injecting tube road B is connected with auxiliary tank liquid return tube road B by magnetic valve on the one hand, the self-loopa of liquid when realizing need not cooling off; Be connected with the cooling-water machine delivery port on the other hand.
13. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1 is characterized in that: this auxiliary tank liquid return tube road A is connected with heat exchanger tube liquid injecting tube road with main thermostat liquid injecting tube road respectively by tubing pump.
14. the liquid thermostatic bath of a kind of not belt stirrer according to claim 1 is characterized in that: this auxiliary tank liquid return tube road B is connected with the cooling-water machine water inlet by magnetic valve, comes liquid is lowered the temperature by cooling-water machine when needing cooling with realization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010612707 CN102059163B (en) | 2010-12-29 | 2010-12-29 | Liquid thermostat tank without stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010612707 CN102059163B (en) | 2010-12-29 | 2010-12-29 | Liquid thermostat tank without stirrer |
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| Publication Number | Publication Date |
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| CN102059163A CN102059163A (en) | 2011-05-18 |
| CN102059163B true CN102059163B (en) | 2013-07-31 |
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| CN 201010612707 Expired - Fee Related CN102059163B (en) | 2010-12-29 | 2010-12-29 | Liquid thermostat tank without stirrer |
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| CN103977850B (en) * | 2014-06-11 | 2015-09-16 | 国家海洋标准计量中心 | High accuracy seawater alternating temperature thermostatic bath system |
| CN104492512B (en) * | 2014-12-19 | 2016-05-11 | 苏州市东华试验仪器有限公司 | A kind of chilly amount switch |
| CN105521843B (en) * | 2015-05-21 | 2017-09-26 | 辽宁省计量科学研究院 | Unilateral tomography overflow-type water bath with thermostatic control |
| CN105526996B (en) * | 2015-10-13 | 2018-10-12 | 辽宁省计量科学研究院 | High-precision pVTt method gas flow standard devices |
| CN107213932B (en) * | 2017-04-20 | 2019-05-28 | 东莞中子科学中心 | A kind of Multi-example thermostat for small-angle scattering experiment |
| CN107608425A (en) * | 2017-09-27 | 2018-01-19 | 中国科学院理化技术研究所 | A kind of constant temperature system |
| CN113123767A (en) * | 2019-12-27 | 2021-07-16 | 中国石油天然气股份有限公司 | Oil-gas periodic huff-puff simulation system and method |
| CN113804331A (en) * | 2021-09-15 | 2021-12-17 | 湖州唯立仪表科技有限公司 | Multifunctional thermostatic bath with automatic reproduction of water-containing triple points and temperature control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85205068U (en) * | 1985-11-13 | 1986-08-20 | 中国科学院上海技术物理研究所 | Heating tube-type glass thermometer-calibrating/checking constant-temp.oven |
| SU1500867A1 (en) * | 1986-12-29 | 1989-08-15 | Украинский Научно-Исследовательский Геологоразведочный Институт | Thermostat |
| CN2560428Y (en) * | 2001-12-28 | 2003-07-16 | 潘敏峰 | Low-temperature liquid thermostat |
| CN101284250A (en) * | 2008-05-26 | 2008-10-15 | 北京航空航天大学 | Liquid constant temperature bath used as heat source |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2616541B1 (en) * | 1987-06-15 | 1989-07-07 | Electricite De France | HOT AIR OVEN, IN PARTICULAR FOR THE CALIBRATION OF THERMOMETERS USING THERMOMETRIC CELLS |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85205068U (en) * | 1985-11-13 | 1986-08-20 | 中国科学院上海技术物理研究所 | Heating tube-type glass thermometer-calibrating/checking constant-temp.oven |
| SU1500867A1 (en) * | 1986-12-29 | 1989-08-15 | Украинский Научно-Исследовательский Геологоразведочный Институт | Thermostat |
| CN2560428Y (en) * | 2001-12-28 | 2003-07-16 | 潘敏峰 | Low-temperature liquid thermostat |
| CN101284250A (en) * | 2008-05-26 | 2008-10-15 | 北京航空航天大学 | Liquid constant temperature bath used as heat source |
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