CN205783838U - Liquid heating - Google Patents

Abstract

This utility model relates to the liquid heating in device for analyzing samples, including heater, fluid storage chamber and the liquid outlet being arranged on fluid storage chamber, the top in described fluid storage chamber is cheese, and described liquid outlet is connected to the highest point of fluid storage intracavity liquid level.The domed formation in fluid storage chamber, when aerofluxus, makes bubble cannot adhere to and rest in the round and smooth cavity wall in fluid storage chamber.In liquid heater initialization procedure, be conducive to air or the bubble of fluid storage intracavity are expressed to top, it is discharged smoothly by liquid outlet again, avoid because bubble rests on extension liquid phenomenon when fluid storage intracavity causes heater to pass outwardly pipeline discharge opeing and goes out liquid capacity measurement error, improve the accuracy of detection.

Description

Liquid heating

Technical field

This utility model relates to device for analyzing samples technical field, particularly relates to a kind of liquid heating.

Background technology

Full-automatic device for analyzing samples is applied to biochemical analysis, immunoassay, fluorescence immunoassay equal samples analytical technology Field, the content of material in detection whole blood, blood plasma, serum or urine equal samples.For ensureing accurate measurement result during detection, need Carry out temperature control in each stage of reaction, keep isothermal reaction environment.As cleaned with separation phase at magnetic bead, utilize cleanout fluid pair When magnetic bead is carried out, if rinse liquid temperature is relatively low, can damage isoperibol, therefore, before washing, it is right to need Cleanout fluid heats.When reactant detection-phase, it is also desirable to end liquid is heated, keep the reaction environment of constant temperature.

Prior art discloses a kind of immunoassay apparatus, including magnetic bead clean separative element, cleanout fluid heater and End liquid heater, when immunoassay apparatus carries out magnetic bead cleaning, heated wash liquid and end liquid, the cleanout fluid after heating the most in advance It is sent in reaction tube by pipeline with end liquid, and in magnetic bead cleaning process, reaction tube is carried out temperature control, to reduce environment The impact that reaction is caused by temperature.Although cleanout fluid and end liquid are heated by said apparatus, but, heater line is to reaction There is certain distance between pipe, and pipeline is exposed in atmosphere, cleanout fluid or end liquid carry out heat exchange when transmission with air, Cause thermal losses, make cleanout fluid or end liquid deviate preset temperature when being filled in reaction tube, affect magnetic bead and clean separation Effect, finally affects the precision that sample component is analyzed.If variation of ambient temperature is big, as the morning and evening temperature difference, Summer and winter the temperature difference all The temperature on liquid transfer tube road, the accuracy of impact detection can be affected.

On the other hand, cleanout fluid of the prior art and end liquid are heated respectively by two heaters, have both taken sky Between, improve again cost, be unfavorable for equipment miniaturization and cost degradation.Furthermore, clean the end liquid analyzed for magnetic bead, typically have It is corrosive, the heater for heating end liquid is had the requirement of corrosion resistance, but, the heater of heater is usually metal Material, such heater is chronically in the space of corrosive liquids, pole corrosion-vulnerable and reduce the use longevity of heater Life.

Summary of the invention

Technical problem to be solved in the utility model is to there is gas during the heating liquid device transmission for existing analyser The problem of bubble, it is provided that a kind of liquid heating.

For solving the problems referred to above, one of technical scheme is:

A kind of liquid heat transfer device for analyser, including liquid heater and test tube flat, described liquid heats Transmitting device also includes that insulation cladding, described liquid heater and test tube flat are installed in inside insulation cladding.

Preferably, the shell wall of described insulation cladding is embedded with at least one fluid passage for carrying liquid, described liquid Body passage is connected with the liquid outlet of liquid heater.

Preferably, described fluid passage is the beeline channel between entrance and exit.

Preferably, described insulation cladding is provided with fluid storage chamber, and fluid storage chamber is the fluid storage chamber of liquid heater, institute State fluid storage chamber to connect with the entrance of fluid passage.

Preferably, described fluid passage is embedded in the cover plate of insulation cladding.

Preferably, described fluid passage at least includes the first liquid passage for carrying a kind of liquid and for carrying separately A kind of second liquid passage of liquid.

Preferably, described liquid heater is provided with water influent pipeline and drain pipe road, and described drain pipe road is arranged on insulation Inside shell.

Preferably, described liquid heater includes heater and the most disconnected at least first liquid collecting in heater Chamber and second liquid host cavity, at least one of which fluid storage chamber is housed in another fluid storage intracavity, described heating Liquid in one of them fluid storage chamber is heated by body, described heated after liquid again in other fluid storage chamber Liquid heat.

Preferably, described liquid heater includes for the heater of heated wash liquid with for heating the heating of end liquid Device.

Preferably, described analyser is Full-automatic chemiluminescence immunoassay analysis meter.

The two of technical scheme are:

A kind of liquid heat transfer device for analyser cleans the application in separating at magnetic bead.

Preferably, described liquid heat transfer device includes liquid heater and test tube flat, and described liquid heat transfer fills Putting and also include insulation cladding, described liquid heater and test tube flat are installed in inside insulation cladding.

Preferably, the shell wall of described insulation cladding is embedded with at least one fluid passage for carrying liquid, described liquid Body passage is connected with the liquid outlet of liquid heater.

Preferably, described fluid passage is the beeline channel between entrance and exit.

Preferably, described insulation cladding is provided with fluid storage chamber, and fluid storage chamber is the fluid storage chamber of liquid heater, institute State fluid storage chamber to connect with the entrance of fluid passage.

Preferably, described fluid passage is embedded in the cover plate of insulation cladding.

Preferably, described fluid passage at least includes the first liquid passage for carrying a kind of liquid and for carrying separately A kind of second liquid passage of liquid.

Preferably, described liquid heater is provided with water influent pipeline and drain pipe road, and described drain pipe road is arranged on insulation Inside shell.

Preferably, described liquid heater includes heater and the most disconnected at least first liquid collecting in heater Chamber and second liquid host cavity, at least one of which fluid storage chamber is housed in another fluid storage intracavity, described heating Liquid in one of them fluid storage chamber is heated by body, described heated after liquid again in other fluid storage chamber Liquid heat.

Preferably, described liquid heater includes for the heater of heated wash liquid with for heating the heating of end liquid Device.

Preferably, described analyser is Full-automatic chemiluminescence immunoassay analysis meter.

The three of technical scheme are:

A kind of insulation cladding for analyser, the shell wall of described insulation cladding is embedded with for carry liquid at least one Fluid passage.

Preferably, described insulation cladding is provided with chamber, fluid storage chamber, and described fluid storage chamber connects with the entrance of fluid passage.

Preferably, described fluid storage chamber is arranged in insulation cladding.

Preferably, described fluid storage chamber is cheese, and the liquid outlet in fluid storage chamber is connected to liquid level in host cavity Highest point, described liquid outlet connects with the entrance of fluid passage.

Preferably, described fluid storage intracavity at least contains another fluid storage chamber, another fluid storage described Chamber connects with the entrance of at least one fluid passage.

Preferably, described fluid passage is embedded in the cover plate of insulation cladding.

Preferably, described fluid passage is the beeline channel between entrance and exit.

Preferably, described fluid passage at least includes the first liquid passage for carrying a kind of liquid and for carrying separately A kind of second liquid passage of liquid.

Preferably, described first liquid passage has three, and the length of three first liquid passages is identical with bore.

Preferably, described fluid passage is provided with valve, and valve is arranged on insulation cladding.

Preferably, described analyser is Full-automatic chemiluminescence immunoassay analysis meter.

The four of technical scheme are:

A kind of liquid heater for analyser, described liquid heater includes heater and does not connects mutually in heater Logical at least first liquid host cavity and second liquid host cavity, at least one of which fluid storage chamber is housed in another liquid In body host cavity, the liquid in one of them fluid storage chamber is heated by described heater, described heated after liquid Again the liquid in other fluid storage chamber is heated.

Preferably, described first liquid host cavity and second liquid host cavity are closed cavity, first liquid host cavity It is in communication with the outside by respective liquid outlet and inlet respectively with second liquid host cavity.

Preferably, the inside in a described heater fluid storage chamber installed therein.

Preferably, described second liquid host cavity is housed in first liquid host cavity, and described heater is installed in In first liquid host cavity.

Preferably, described second liquid host cavity is made up of corrosion-resistant material.

Preferably, the volume of described second liquid host cavity is less than the volume of first liquid host cavity.

Preferably, described first liquid host cavity is housed in second liquid host cavity, and described heater is installed in In first liquid host cavity.

Preferably, the fluid storage chamber being received described in is circular tube structure.

Preferably, the fluid storage chamber being received described in is installed fixing by support.

Preferably, described support is hollow out tubular, and support is co-axially mounted with heater.

Preferably, one of them fluid storage chamber described is used for depositing cleanout fluid, and another fluid storage chamber is used for depositing End liquid.

Preferably, the top in one of them fluid storage chamber described is cheese, and the liquid outlet in fluid storage chamber is connected to The highest point of described fluid storage intracavity liquid level.

Preferably, on described liquid heater, connection has insulation cladding.

Preferably, described analyser is Full-automatic chemiluminescence immunoassay analysis meter.

The five of technical scheme are:

A kind of liquid heating, including heater, fluid storage chamber and the liquid outlet being arranged on fluid storage chamber, institute The top stating fluid storage chamber is cheese, and described liquid outlet is connected to the highest point of fluid storage intracavity liquid level.

Preferably, described cheese is selected from hemisphere, semiellipsoid, cone or round platform.

Preferably, the inner surface of described fluid storage top of chamber is provided with projection, and described liquid outlet is arranged on projection and liquid The junction of body host cavity.

Preferably, described projection is conical protrusions.

Preferably, described liquid outlet is three.

Preferably, described heater is arranged on fluid storage intracavity.

Preferably, the outer surface of described heater is provided with some projections for heat radiation.

Preferably, described projection is selected from helical raised, annular projection or strip projected parts.

Preferably, described heater is column, and heater is arranged on the centre in fluid storage chamber.

Preferably, the bottom in described fluid storage chamber is bar shape.

The six of technical scheme are:

A kind of magnetic bead adsorbent equipment, including insulation cladding, the sidewall of insulation cladding is embedded with several magnetic absorbing units.

Preferably, several magnetic absorbing units described are distributed on the sidewall of insulation cladding.

Preferably, described magnetic absorbing unit is Magnet.

Preferably, described Magnet and the sidewall interference fit of insulation cladding.

Preferably, described insulation cladding includes that cover plate and casing, described cover plate are provided with several through hole.

Preferably, described through hole being socketed with axle sleeve, the frictional resistance of axle sleeve is less than cover plate frictional resistance.

Preferably, described axle sleeve includes that Upper shaft sleeve spaced apart and Lower shaft sleeve, Upper shaft sleeve and Lower shaft sleeve are socketed in respectively The top and bottom of through hole.

Preferably, described axle sleeve and through hole interference fit.

Preferably, described through hole is four, and four through holes are evenly distributed on cover plate.

Being compared to prior art, the beneficial effects of the utility model are as follows:

Liquid heat transfer device is maintained in insulation cladding by the heat that liquid heater is given out by insulation cladding, slows down Heat distributes the speed of conduction, reduces thermal losses, makes the environment in insulation cladding be in default temperature range, it is to avoid The ambient temperature impact on insulation cladding internal temperature, it is ensured that stability and testing result that analyser reacts when fluid injection are smart Parasexuality.

Fluid passage is embedded in the shell wall of insulation cladding, on the one hand, the liquid carrying in fluid passage or stopping is subject to The insulation effect of insulation cladding, make the liquid that transmits in fluid passage or stop keep preset temperature, it is to avoid external environment temperature Spend the impact on the liquid in transmission；On the other hand, effectively make use of the space of the shell wall of insulation cladding, it is to avoid various liquid lines Road is complicated is distributed in insulation cladding interiorly or exteriorly, adds space availability ratio.

Fluid storage chamber is arranged on insulation cladding, is greatly shortened the transmission path of liquid, at utmost keeps heated The heat of liquid, it is to avoid cause liquid thermal loss to reduce liquid because of fluid storage chamber and the entrance hypertelorism of fluid passage The temperature of body.On the other hand, fluid storage chamber, as a part for insulation cladding, makes fluid storage chamber house the same of heated liquid Time also preheating insulation shell, improve insulation cladding to the heat insulation effect in space in fluid passage and insulation cladding.

Insulation cladding can realize heat insulation function, can provide to magnetic absorbing unit again and support, improve space availability ratio.

Connecting bushing on the through hole of cover plate, on the one hand, provide guiding to running through of aspirating needle, on the other hand, axle sleeve Frictional resistance less than the frictional resistance of cover plate, make aspirating needle run through through hole more smoothly, add lubricity, make aspirating needle Resistance when running through is less.

Liquid heater is simultaneously heated to few two kinds of mutual unmixed liquid in heater by heater, makes at least one Liquid in individual fluid storage chamber does not directly contact with heater, is indirectly heated by the conduction of heat of heated rear liquid, Especially when heated corrosive liquid, corrosive liquid is housed in the fluid storage chamber directly not contacted with heater, keeps away The problem having exempted from corrosive liquids corrosion heater, improves the service life of heater.On the other hand, it is to avoid use respectively Two heaters individually heat and cause the problem that installation volume is big and cost is high, reduce the volume of liquid heater, reduce Cost.Described liquid heater is not limited to apply in Full-automatic chemiluminescence immunoassay analysis meter.

The domed formation in fluid storage chamber, when aerofluxus, makes bubble cannot adhere to and rest on the circle in fluid storage chamber On slip cavity wall.In liquid heater initialization procedure, be conducive to air or the bubble of fluid storage intracavity are expressed to top, It is discharged smoothly by liquid outlet again, it is to avoid cause heater to pass outwardly pipeline discharge opeing because bubble rests on fluid storage intracavity Time hang liquid phenomenon and go out the inaccuracy of liquid capacity measurement.

Accompanying drawing explanation

Fig. 1 is Full-automatic chemiluminescence immunoassay analysis meter structural representation.

Fig. 2 is the internal structure schematic diagram of Full-automatic chemiluminescence immunoassay analysis meter.

Fig. 3 is the structural representation of the liquid heat transfer device for analyser.

Fig. 4 is to remove cover plate and the structural representation of heater in Fig. 3.

Fig. 5 is the attachment structure schematic diagram of cover plate and heater.

Fig. 6 is the structural representation of the liquid heat transfer device of cover plate partial perspective.

Fig. 61 is the sectional structure schematic diagram of liquid heat transfer device.

Fig. 62 is the structural representation of a kind of embodiment in fluid storage chamber.

Fig. 7 is the structural representation that cover plate is connected with fluid storage chamber.

Fig. 71 is the schematic enlarged-scale view in Fig. 7 at A.

Fig. 72 is the broken section structural representation at cover plate bottom bracket axle.

Fig. 73 is the detonation configuration schematic diagram that cover plate is connected with heater, axle sleeve.

Fig. 8 is the perspective structure schematic diagram of insulation cladding cover plate.

Fig. 81 is the structural representation of a kind of embodiment of insulation cladding cover plate perspective.

Fig. 82 be insulation cladding cover plate in the structural representation of section view at three first liquid passages.

Fig. 83 be insulation cladding cover plate in the structural representation of section view at a second liquid passage.

Fig. 84 is the perspective structure schematic diagram of insulation cladding cover plate.

Fig. 9 is the structural representation of fluid storage chamber perspective in liquid heater.

Fig. 91 is the structural representation of a kind of embodiment of liquid heater.

Fig. 92 is the structural representation of the another embodiment of liquid heater.

Fig. 93 is the structural representation of the another embodiment of liquid heater.

Figure 10 is that liquid adds the schematic diagram of dome structure in hot-charging device.

Figure 10 1 is the schematic diagram of a kind of embodiment of dome structure in liquid heater.

Figure 11 is the structural representation of heater.

Detailed description of the invention

Further describe this utility model below in conjunction with the accompanying drawings with embodiment, but protection domain of the present utility model is also It is not limited to this.

A kind of Full-automatic chemiluminescence immunoassay analysis meter 9000, as Fig. 1 is to shown in 2, including sample storehouse 9300, agent bin 9400, reaction cup storage warehouse 9500, hatch storehouse 9600, clean storehouse 9700 and detection storehouse 9800.Sample to be tested carries out component analysis Time, first sample and reagent being respectively put into sample storehouse and agent bin, Full-automatic chemiluminescence immunoassay analysis meter stores from reaction tube Storehouse 9500 is taken out reaction tube, and puts it into and hatch in storehouse.Then by predetermined program, sample and reagent are joined reaction Guan Zhong, starts and hatches program, is put into by reaction tube in cleaning storehouse, added by cleanout fluid anti-according to predetermined program after hatching end Ying Guanzhong is carried out, and adds end liquid after having cleaned, and finally makes reaction tube enter in detection storehouse and completes sample component analysis.Its Described in cleaning storehouse 9700 include liquid heat transfer device.

As Fig. 3 is to shown in 5, and liquid heat transfer device includes insulation cladding 4, liquid heater 6 and test tube flat 8, described liquid It is internal that body heater 6 and test tube flat 8 are installed in insulation cladding 4.Described insulation cladding 4 carries for liquid heater 6 and test tube flat 8 For thermal environment, liquid heater 6 reaction in thermal analysis instrument needs the liquid of filling.Liquid heater adds hot liquid Time, the heat that liquid heater gives out is intercepted by insulation cladding, makes heat be maximally maintained in insulation cladding, insulation The beneficially retarding heat that is provided with of shell distributes the speed of conduction, prevents thermal losses, makes the environment in insulation cladding be in default Temperature range, especially when sooner or later temperature, Seasonal Temperature Difference are big, to temperature warming in shell and hinder when insulation cladding is capable of low temperature Only thermal loss, intercepts external insulation when high temperature, keeps the temperature in insulation cladding to be in stability range, it is ensured that analyser is at note The stability reacted during liquid and testing result accuracy.Liquid heat transfer device in present embodiment is not limited to apply entirely In robotics luminescence immunoassay instrument.

As shown in Figure 6, the shell wall of insulation cladding 4 is embedded with at least one fluid passage 402 for carrying liquid.Insulation Shell 4 is used for stoping thermal losses in holding shell, keeps temperature stabilization, and fluid passage liquid after carrying heating is to reaction tube In and keep the stability of temperature of liquid in conveying.It is embedded described in as it is shown in fig. 7, and refers to that fluid passage 402 is in shell wall Empty passage, the i.e. tube wall of fluid passage 402 are a part for shell wall.In another embodiment, shell wall also can be continued to employ in advance In the space of laying fluid passage, fluid passage is laid in shell wall in the way of independent pipeline, and described independent pipeline is vial Road and insulation cladding shell wall are independent between the two, i.e. the tube wall of independent pipeline is not a part for shell wall.Fluid passage is embedded to be protected In the shell wall of temperature shell, on the one hand, the liquid carrying in fluid passage or stopping is by the insulation effect of insulation cladding, fluid passage The heat of middle liquid is intercepted by insulation cladding, has slowed down the speed of heat radiation, has made the liquid transmitting in fluid passage or stopping Keep preset temperature；On the other hand, effectively make use of the space of the shell wall of insulation cladding, it is to avoid various liquid lines are intricate Be distributed in insulation cladding interiorly or exteriorly, add space availability ratio.In immunity analysis instrument, especially clean at magnetic bead and separate Time, need many minor ticks to add cleanout fluid or end liquid, rest on the cleanout fluid in fluid passage or end liquid all by insulation cladding Insulation effect, the loss of liquid heat is little, it is achieved that to cleanout fluid and the accurate temperature controlling of end liquid, thus effectively controls reaction temperature The degree of accuracy of degree.

In order to improve the motility that fluid passage is installed, it is any that described fluid passage 402 is embedded in insulation cladding 4 shell wall Position.Fluid passage 402 can be embedded the intermediate layer at shell wall, forms sandwich；The outermost layer at shell wall can also be embedded, I.e. fluid passage is distributed along shell wall top layer.As a kind of embodiment, fluid passage can also be by the only of shell wall top layer that fit Standpipe road substitutes.

As shown in Figs. 4-6, insulation cladding 4 includes casing 490 and cover plate 404, casing 490 by sidewall around forming.Liquid leads to Road 402 can be embedded in the shell wall of insulation cladding 4 optional position, it is achieved insulation cladding can space in insulation cladding, liquid can be incubated again The function of body passage.As Fig. 6 is to shown in 7, and described fluid passage 402 is embedded in the cover plate 404 of insulation cladding 4.Real at another kind Executing in mode, described fluid passage 402 can also be embedded in the casing 490 of insulation cladding 4.Described fluid passage 402 is some, Fluid passage 402 includes an inlet and an outlet.Described insulation cladding 4 is in casing shape, in one embodiment, described insulation cladding 4 in Column.As it is shown in fig. 7, in another embodiment, insulation cladding 4 can also refer in particular to cover plate 404, and described cover plate is used for being incubated liquid Body passage.

Described fluid passage 402 is the beeline channel between entrance and exit.In the fluid passage of identical bore, The distance of fluid passage is the shortest, and the liquid capacity of storage is the least in fluid passage, therefore, uses entrance to exporting point-to-point transmission Short fluid transmission path, the thermal losses when transmission is got over less the most relatively.In another embodiment, fluid passage is also It can be curved channel.

As shown in Figure 8, described fluid passage 402 at least includes first liquid passage 4022 He for carrying a kind of liquid For carrying the second liquid passage 4024 of another kind of liquid.The second liquid passage 4024 liquid after transmitting a kind of being heated Body such as end liquid, the first liquid passage 4022 liquid such as cleanout fluid after transmitting another kind of being heated.As further preferably, Described first liquid passage 4022 has three, and the length of three first liquid passages is identical with bore.Fluid passage equal length etc. The capacity of the setting of bore, i.e. every fluid passage is identical, makes every the fluid passage heat loss when liquid transmits identical, i.e. The heat loss that heated liquid is transferred to outlet by every fluid passage entrance is the most identical, therefore, leads to via every liquid The heated liquid filling that road transmits is almost identical to temperature during reaction tube, it is achieved that the accurate temperature controlling to reactant liquor.

The entrance and exit of described fluid passage is separately positioned on the circumference of two different diameters.As shown in Fig. 81, The entrance of first liquid passage 4022 is arranged in inner circle 410, and the outlet of fluid passage 4022 is arranged on cylindrical 408, liquid Beeline between a length of entrance and exit of passage.Described inner circle 410 and cylindrical 408 are virtual circumference, for specifically The installation site of the entrance and exit of prescribed liquid passage.Preferably, described first liquid passage 4022 is three, and second liquid leads to Road is one, and the length of three first liquid passages 4022 is identical.As further preferably, as shown in Figure 8, described second liquid The entrance of passage 4024 is arranged between inner circle 410 and cylindrical 408 slightly towards inner circle 408, and outlet is arranged on cylindrical 408, the The a length of beeline channel between entrance and exit of two fluid passages 4024.In Fig. 8, the length of fluid passage is more than figure The length of fluid passage in 81, the length of fluid passage can be set according to design needs.As further preferably, join According to Fig. 7, Fig. 8, Fig. 82 and Fig. 83, described three first liquid passages 4022 are distributed in approximately the same plane, described second liquid Body passage 4024 and first liquid passage 4022 be not in approximately the same plane.The transmission path of two kinds of liquid is not in approximately the same plane On, i.e. three fluid passages 4022 on same horizontal plane, an other fluid passage 4024 on another horizontal plane, this Sample has just staggered the position of entrance and exit of entrance and exit and other three fluid passages 4022 of fluid passage 4024, side Just the connection between fluid passage entrance and exit and different liquids chamber.

As shown in Fig. 82 and Fig. 84, described fluid passage 402 is provided with valve 414, and valve 414 is arranged on insulation cladding 4 On.Valve 414 is controlled by the control system in analyser, the fluid opening and closing control fluid passage 402 of valve Path.As further preferably, valve 414 is arranged on cover plate 404.The edge of cover plate 404 is provided with some breach 4140, institute State the installation position that breach 4140 is valve 414, valve 414 is connected in the outlet of fluid passage 402, i.e. fluid passage 402 Outlet is connected with the entrance of valve 414.As further preferably, as it is shown in fig. 7, connection has outlet in the outlet of valve 414 Road 416.Outlet conduit 416 is vertical pipeline, and it is internal that vertical pipeline 416 is connected to insulation cladding 4 by the outlet of valve 414.Preferably Ground, as shown in Figure 3 and Figure 5, described insulation cladding 4 is provided with the opening being put in insulation cladding test tube flat by reaction tube 10 from outside 480.As preferably, described opening 480 is provided with the upper cover for closing opening 480.When being placed or taken out reaction tube 10, beat Open upper cover, when cleaning, then close upper cover, be incubated further.

As the another embodiment of fluid passage, described liquid heater 6 is provided with water influent pipeline and drain pipe road, It is internal that described drain pipe road is arranged on insulation cladding 4.The drain pipe road of liquid heater 6 is arranged in insulation cladding 4, makes transmission or stops Stay the insulation effect by insulation cladding of the liquid in drain pipe road, be conducive to intercepting drain pipe road and the heat outside insulation cladding 4 Amount exchange, has slowed down the rate of heat dispation of liquid in drain pipe road.When mounted, drain pipe road can the unsettled inside at insulation cladding Space；Or, drain pipe road is fitted on insulation cladding 4 inner surface.

As shown in Figs. 5 to 7, described insulation cladding 4 is provided with fluid storage chamber 604, described fluid storage chamber 604 and fluid passage The entrance connection of 402.The i.e. cavity wall in fluid storage chamber 604 is at least partly made up of insulation cladding 4, in other words, and fluid storage chamber 604 is a part for insulation cladding 4.Described fluid storage chamber 604 is used for housing heated liquid or for as heater Heating cavities, fluid storage chamber 604 connects with the entrance of fluid passage 402, makes heated liquid be entered by fluid storage chamber Row heating and insulation, be incubated by fluid passage when transmission and stop, at utmost keeps while shortening transmission path The heat of heated liquid, it is to avoid cause liquid thermal loss because of fluid storage chamber and the entrance hypertelorism of fluid passage And reduce the temperature of liquid.On the other hand, fluid storage chamber, as a part for insulation cladding, makes fluid storage chamber house heated Also preheating insulation shell while liquid, improves insulation cladding to the heat insulation effect in space in fluid passage and insulation cladding.At another In kind of embodiment, fluid storage chamber also can be separately installed with insulation cladding, i.e. fluid storage chamber and insulation cladding be two the most solely Vertical individuality.

As it is shown in fig. 7, described fluid storage chamber 604 is arranged on insulation cladding 4 inside.Heated liquid in fluid storage chamber The heat given out is intercepted by insulation cladding, makes heat be maximally maintained in insulation cladding, is conducive to keeping insulation cladding Internal temperature is stable.According to design needs, fluid storage chamber both can be arranged on the inside of insulation cladding, can be arranged on again insulation The outside of shell, meanwhile, fluid storage chamber can directly connect with the entrance of fluid passage, i.e. fluid storage chamber is provided with out liquid Mouthful, described liquid outlet is the entrance i.e. seamless link of fluid passage, or is connected with the entrance of fluid passage by segment pipeline.

As shown in Fig. 62, as a kind of embodiment, fluid storage chamber 604 is arranged on the situation outside insulation cladding 4, liquid Body host cavity 604 is arranged on the sidewall of insulation cladding 4, and fluid storage chamber 604 sets some liquid outlets, described liquid outlet and liquid Passage 402 connects, and described fluid passage 402, centered by the position in fluid storage chamber 604, radiates on cover plate 404.Described liquid Body host cavity 604 can be as a part for insulation cladding sidewall, it is also possible to separately installed with insulation cladding as individual components, separates During installation, in order to shorten transfer conduit, fluid storage chamber can be close to insulation cladding and install.

As shown in Fig. 7, Fig. 8 and Fig. 81, the liquid outlet on described fluid storage chamber 604 is arranged on a circumference, described Circumference is inner circle 408, and fluid storage chamber 604 is connected with fluid passage 402 by liquid outlet.As a kind of embodiment, such as Fig. 7 Shown in Fig. 71, liquid outlet and the entrance of fluid passage 4022 on fluid storage chamber 604 are arranged in inner circle 408, liquid The liquid outlet of host cavity 604 is the entrance of fluid passage 4022, and in fluid storage chamber 604, heated liquid need not additionally Exposed pipeline drainage just can be directly inputted in fluid passage 402, in other words, fluid storage chamber 604 and fluid passage 402 seamless links, described exposed pipeline refers to direct exposed aerial pipeline；The entrance 450 of fluid passage 4024 passes through Auxiliary piping 4052 connects with fluid storage chamber 604, and described auxiliary piping 4052 is embedded in cover plate 404, and auxiliary piping 4052 prolongs Reach fluid storage chamber 604 internal, or fluid passage 4024 is connected directly between on fluid storage chamber 604, directly receive with liquid Cavity volume 604 connects.Fluid storage chamber and fluid passage seamless link, make heated liquid by fluid storage chamber carry out heating and Insulation, is incubated by fluid passage when transmission and stop, at utmost keeps the heat of heated liquid, it is to avoid because of office The exposed Pipe transfer in portion causes liquid thermal loss that the temperature of liquid is greatly lowered.

As it is shown in fig. 7, described fluid storage chamber 604 is in cheese, the liquid outlet in fluid storage chamber 604 is connected to liquid and receives The highest point of liquid level in cavity volume, described liquid outlet connects with the entrance of fluid passage.Dome-shaped fluid storage chamber is conducive to fast Speed gets rid of the bubble in fluid storage chamber completely, it is to avoid bubble impacts by the metering of filling liquid capacity.As entering One step is preferred, at least contains another fluid storage chamber in described fluid storage chamber 604, another fluid storage chamber described with The entrance connection of at least one fluid passage.Fluid storage chamber 604 houses another fluid storage chamber, it is possible to achieve two kinds of liquid Body transmits in different fluid passages.

If Fig. 3 is to shown in 6, in one embodiment, the sidewall of described insulation cladding 4 is embedded with several magnetic coupons Unit 492.Insulation cladding 4 can realize heat insulation function, provides can to again magnetic absorbing unit 492 and support, improve space availability ratio.Magnetic The absorbing unit 492 magnetic particle in adsorption reaction pipe.As preferably, several magnetic absorbing units 492 described are spaced apart On the sidewall of insulation cladding.According to design needs, magnetic absorbing unit 492 is spaced apart or continuous distribution.As preferably, institute State magnetic absorbing unit 492 for Magnet.As preferably, the sidewall interference fit of described Magnet and insulation cladding 4.Interference fit makes Magnet And the gap between insulation cladding is the least, it is to avoid cause thermal loss because of the gap between Magnet and insulation cladding.Present embodiment In insulation cladding 4 can apply and clean in separating reaction at magnetic bead.

As it is shown on figure 3, in one embodiment, described cover plate 404 is provided with several through hole 418.Through hole 418 is used In running through offer passage to aspirating needle.As further preferably, as shown in Fig. 72 and 73, described through hole 418 is socketed with axle Set 420, the frictional resistance of axle sleeve 420 is less than cover plate 404 frictional resistance.Connecting bushing 420 on through hole 418, on the one hand, give and inhale Running through of liquid pin provides guiding, and on the other hand, the frictional resistance of axle sleeve 420, less than the frictional resistance of cover plate 404, makes aspirating needle Running through through hole more smoothly, add lubricity, resistance when making aspirating needle run through is less.

Described axle sleeve 420 includes Upper shaft sleeve 4202 spaced apart and Lower shaft sleeve 4204, Upper shaft sleeve 4202 and Lower shaft sleeve 4204 top and bottom being socketed in through hole 418 respectively.Both the total height of Upper shaft sleeve and Lower shaft sleeve was less than the thickness of through hole, Upper shaft sleeve and Lower shaft sleeve spaced apart, can realize guiding and the effect of aspirating needle of lubrication, can farthest save again The material of axle sleeve, reduces cost.As further preferably, described through hole is four, and four through holes are evenly distributed on cover plate.Each Axle sleeve it is equipped with on through hole.As further preferably, described axle sleeve 420 and through hole 418 interference fit.Lid in present embodiment Plate is not limited to the cover plate of insulation cladding in this utility model, and described cover plate can also be the common cover without heat insulation function, institute State cover plate can apply on various analysers.

Described liquid heater include heater and in heater the most disconnected at least first liquid host cavity and Two fluid storage chambeies, at least one of which fluid storage chamber is housed in another fluid storage intracavity, and described heater is to it In liquid in a fluid storage chamber heat, described heated after liquid again to the liquid in other fluid storage chamber Heat.Described first liquid host cavity does not connect mutually in heater with second liquid host cavity and refers to that first liquid houses Liquid in chamber and the liquid in second liquid host cavity do not produce liquid convection in heater, and in other words, two liquid are received Cavity volume does not exist connecting line at heater body makes two fluid storage chambeies communicate with each other.At least one fluid storage chamber described It is housed in being received in another fluid storage intracavity and refers to that described fluid storage chamber is by another one fluid storage chamber institute Surrounding, the fluid storage chamber being received takies the segment space of another fluid storage intracavity.

Described liquid heater is simultaneously heated to few two kinds of mutual unmixed liquid in heater by heater, make to Liquid in a few fluid storage chamber does not directly contact with heater, but by being heated the conduction of heat of liquid afterwards and carrying out between Connect heating, especially when heated corrosive liquid, corrosive liquid is housed in the fluid storage directly not contacted with heater In chamber, it is to avoid the problem of corrosive liquids corrosion heater, improve the service life of heater.On the other hand, it is to avoid Use two heaters individually to heat respectively and cause the problem that installation volume is big and cost is high, reduce the body of liquid heater Long-pending, reduce cost.Described liquid heater is not limited to apply in Full-automatic chemiluminescence immunoassay analysis meter.

As shown in Fig. 9, Fig. 91 and Fig. 92, described first liquid host cavity 604 and second liquid host cavity 606 are envelope Close cavity, first liquid host cavity 604 and second liquid host cavity 606 respectively by respective liquid outlet and inlet and the external world Connection.I.e. first liquid host cavity 604 and second liquid host cavity 606 passage independence fluid path respectively carries out liquid conveying, and first Fluid storage chamber 604 is provided with inlet 632 and liquid outlet 630, and second liquid host cavity 606 is provided with inlet 642 and liquid outlet 640.The cavity closed, makes the heater thermal losses when heating little.As a kind of embodiment, described inlet and go out liquid Mouth is separately positioned on bottom and the top of heater, the lowest part and of liquid level time hydraulically full in bottom and top i.e. heater Eminence.

As shown in Fig. 9, Fig. 91 and Fig. 92, the inside in a described heater 602 fluid storage chamber installed therein.Send out Hot body is the components and parts for adding hot liquid, and heater is arranged on the inside in fluid storage chamber, makes the structure of liquid heater more Adding compact, volume is less, and is conducive to the contact area increasing heater with liquid, increases the rate of heat dispation of heater.As Shown in Fig. 93, as a kind of embodiment, heater 602 can also be installed outside fluid storage chamber, also can realize this practicality new The technique effect of type.Described liquid heater includes that the heater 602 being placed on bottom and the liquid being placed on heater are received Cavity volume 604, contains fluid storage chamber 606, i.e. fluid storage chamber 604 and is enclosed in fluid storage chamber 606 in fluid storage chamber 604 Outside, fluid storage chamber 606 is heated indirectly by the liquid after heated.Fluid storage chamber 604 is provided with inlet 632 He Liquid outlet 630, fluid storage chamber 606 is provided with inlet 642 and liquid outlet 640, and the liquid in two fluid storage chambeies is by solely Vertical pipeline carries.As further preferably, described liquid heater 6 is in column.

As shown in Fig. 9 and Fig. 91, described second liquid host cavity 606 is housed in first liquid host cavity 604, institute State heater 602 to be installed in first liquid host cavity 604.Liquid in first liquid host cavity 604 is entered by heater 602 Row heating, heated after liquid be centered around around second liquid host cavity 606, and with the liquid in second liquid host cavity 606 Body carries out heat exchange, makes the liquid in second liquid host cavity 606 be heated.As the most preferred, described heater 602 It is installed in the centre of first liquid host cavity 604.Heater 602 is installed in the middle part of host cavity, beneficially heater 602 Homogeneouslly-radiating in first liquid host cavity.As a kind of embodiment, first liquid host cavity 604 is that heater 602 is to adding The space that in space between hot device shell, i.e. first liquid host cavity 604, liquid is filled, in first liquid host cavity 604 Segment space is taken by second liquid host cavity 606.

As shown in Fig. 92, described first liquid host cavity 604 is housed in second liquid host cavity 606, described heating Body 602 is installed in first liquid host cavity 604.Liquid in first liquid host cavity 604 is directly carried out by heater 602 Heating, the liquid after heating carries out heat exchange with the liquid in second liquid host cavity 606, makes in second liquid host cavity 606 Liquid be heated.First liquid host cavity 604 is provided with inlet 632 and liquid outlet 630, and second liquid host cavity 606 is provided with Inlet 642 and liquid outlet 640, the liquid in two fluid storage chambeies is carried by independent pipeline.

As shown in Fig. 9 and Fig. 91, described in the fluid storage chamber that is received be circular tube structure.Circular tube structure Fluid storage chamber 606 can be centered around the periphery of heater 602, makes the heated liquid in the fluid storage chamber being received more equal Even.As further preferably, as it is shown in figure 9, described in the fluid storage chamber that is received installed fixing by support 608.As entering one Preferably, described support 608 is in hollow out tubular, and support 608 is co-axially mounted with heater 602 for step.The support of hollow out tubular makes liquid Liquid convection in host cavity is more smooth, and heating is more uniformly distributed.As further preferably, described in the fluid storage chamber that is received 606 are coiled on support.Fluid storage chamber 606 is formed tubulose coiled structure, outside adding fluid storage chamber 606 and being centered around The surface area of the liquid contact in portion, is conducive to heating rapidly the liquid in fluid storage chamber 606.As another embodiment, As shown in Fig. 91, described in the fluid storage chamber that is received be two, respectively second liquid host cavity 606 and the 3rd liquid is received Cavity volume 612.First liquid host cavity 604 is heater 602 to the space between heater housing, described second liquid host cavity 606 and the 3rd fluid storage chamber 612 be loop configuration, hollow sleeve is connected on the outside of heater 602.First liquid host cavity 604, the liquid in second liquid host cavity 606 and the 3rd fluid storage chamber 612 carries out liquid by independent liquid-way system respectively Body transmission.

Preferably, described second liquid host cavity is made up of corrosion-resistant material.Preferably, described second liquid host cavity Volume is less than the volume of first liquid host cavity.In one embodiment, one of them fluid storage chamber described is used for depositing Cleanout fluid, another fluid storage chamber is used for depositing end liquid.As further preferably, described in the fluid storage chamber that is received for Deposit end liquid.As further preferably, for depositing the volume in the fluid storage chamber of end liquid less than for the liquid depositing cleanout fluid The volume of body host cavity.With meet analyser filling liquid participate in reaction time, the demand to different liquids capacity.Clear at magnetic bead When washing separation, needing to preheat cleanout fluid and end liquid, end liquid is corrosive liquid, therefore, is left in by end liquid and is received In the fluid storage chamber held, it is to avoid end liquid directly contacts with heater, to increase the service life of heater.Furthermore, it is received The volume in fluid storage chamber less, can quickly be heated by peripheral liquid by heat transfer.

Liquid heater in liquid heat transfer device can use a heater to add two kinds of liquid simultaneously Heat, it is also possible to be respectively heated by two independent heaters.Described liquid heater includes adding for heated wash liquid Hot device and for heating the heater of end liquid.Cleanout fluid and end liquid are carried out respectively by described liquid heater by two heaters Heating, the most respectively will heated after cleanout fluid and end liquid by respective Pipe transfer to reaction tube.

As shown in Figure 10, in one embodiment, described liquid heater 6 includes heater 602, fluid storage chamber 604, the liquid outlet 630 being arranged on fluid storage chamber and inlet 632, the top in described fluid storage chamber 604 is cheese, Described liquid outlet 630 is connected to the highest point of liquid level in fluid storage chamber 604.Liquid heater under the control of liquid-way system by Bottom liquid inlet mouth 632 injects liquid, after heater 602 heats, then by the liquid outlet 630 at liquid level top discharge heated after Liquid, the fluid storage chamber 604 of liquid heater is filled with liquid in normal operation.Described cheese, i.e. liquid The top of host cavity 604 is from down to up in gradually drawing in, in other words, is by less to top of the larger cross-sectional area of bottom The excessive curved surface of area of section.The highest point of liquid level in described fluid storage chamber 604, liquid level time i.e. hydraulically full in heater Highest point.Liquid outlet 630 is arranged on the highest point of liquid level, is conducive to preferentially discharging liquid higher for temperature in heater.Liquid The cheese of body host cavity, i.e. curve form, when aerofluxus, make bubble cannot adhere to and rest on the cavity wall in fluid storage chamber On, the beneficially bubble in heater is discharged smoothly.In liquid heater initialization procedure, be conducive to fluid storage intracavity Air or bubble be expressed to top, then be discharged smoothly by liquid outlet 630, it is to avoid because bubble rests on fluid storage intracavity Hanging liquid phenomenon and going out the inaccuracy of liquid capacity measurement when causing heater to pass outwardly pipeline discharge opeing.Mentioned in this article Liquid heating and liquid heater and the identical concept.

As shown in Figure 10 1, the inner surface at top, described fluid storage chamber 604 is provided with protruding 470, described liquid outlet 630 It is arranged on the junction of protruding 470 and fluid storage chamber 604.One Zhou Junke of the junction in projection 470 and fluid storage chamber 604 To install liquid outlet 630, a week of described junction is the highest point of liquid level in fluid storage chamber 604, after installing protruding 470, In fluid storage chamber 604, the area of the highest point of liquid level reduces, in the range of bubble coalescence smaller size smaller at liquid outlet 630, Bubble is conducive to quickly to discharge.As the most preferably, described protruding 470 is conical protrusions.As the most preferred, Described liquid outlet is three.As preferably, described heater 602 is arranged in fluid storage chamber 604.As preferably, described liquid The bottom of body host cavity 604 is bar shape.I.e. fluid storage chamber 604 includes superposed cheese and is positioned at the post of bottom Body.As preferably, described cheese is selected from hemisphere, semiellipsoid, cone or round platform.

As shown in figure 11, the outer surface of described heater 602 is provided with some projections 610 for heat radiation.Dispel the heat is convex Play the contact area for increasing heater and liquid, make heater accelerate the purpose that heat radiation reaches quickly to heat.As entering one Preferably, described protruding 610 selected from helical raised, annular projection or strip projected parts for step.As further preferably, described heating Body 602 is in column, and heater 602 is arranged on the centre in fluid storage chamber 604.

When Figure 10 to the fluid storage chamber 604 shown in 11 applies in liquid heat transfer device, shown in Fig. 92 Embodiment, described fluid storage chamber 604 and first liquid host cavity 604 are the identical concept.

As shown in Figs. 3-4, described test tube flat 8 for placing response pipe 10, liquid heat transfer device is additionally provided with for Heating unit to reaction tube 10 heating.As preferably, test tube flat 8 is in annular.The test tube flat 8 of annular is by driving structure band Dynamic rotation.As preferably, heating unit is used for heating test tube flat 8, and the test tube flat 8 after being heated reheats reaction tube 10.Heating Unit is reacting by heating pipe by the way of direct or indirect, makes reaction tube keep preset temperature.Wherein, heating unit uses hot blast Reaction tube is directly heated by the alternate manners such as heating or heating in water bath, or is added reaction tube by indirectly mode Heat, as heated test tube flat by heater, then conducts heat to the medium mode of reaction tube by test tube flat.The most logical Cross which kind of mode reaction tube is heated, the heat that reaction tube distributes with described liquid heater distribute heat be subject to The obstruct of insulation cladding and be retained in insulation cladding.Therefore, liquid heater and test tube flat are arranged in insulation cladding, at utmost The heat maintaining insulation cladding inner heat source, it is to avoid ambient temperature change on the impact of temperature in insulation cladding, favorably In the course of reaction of magnetic bead separating device is carried out accurate temperature control, it is ensured that the precision of reaction temperature.

As Fig. 3 is to shown in 5, and liquid heat transfer device also includes lifting punch block 12, lifting punch block 12 is provided with some Aspirating needle 14.Described lifting punch block 12 includes the platform 1202 for installing aspirating needle 14, on four angles of platform 1202 respectively Four aspirating needles 14 are installed.Lifting punch block 12 is moved up and down by lifting actuator band moving platform 1202 and aspirating needle 14, Realize imbibition or the action of fluid injection in reaction tube 10.

As Fig. 3 is to shown in 11, and liquid heat transfer device cleans application when separating, described liquid heat transfer at magnetic bead Device includes insulation cladding 4, liquid heater 6, test tube flat 8 and lifting punch block 12, and described liquid heater 6 and test tube flat 8 are all pacified Being contained in insulation cladding 4 internal, lifting punch block 12 is arranged on the outside of insulation cladding, and insulation cladding 4 is provided with magnetic absorbing unit.

Lead to as it is shown in fig. 7, the cover plate shell wall of described insulation cladding 4 is embedded with three first liquids for carrying cleanout fluid Road 4022 and for carrying the second liquid passage 4024 of end liquid, four fluid passages all with the liquid outlet phase of liquid heater 6 Even, first liquid passage 4022 and second liquid passage 4024 are arranged in Different Plane.On the cover plate of described insulation cladding 4 recessed Having fluid storage chamber 604, the top in fluid storage chamber 604 is cheese, and the inner surface at top, fluid storage chamber 604 is provided with convex Playing 470, liquid outlet 630 is arranged on the junction of protruding 470 and fluid storage chamber 604, the i.e. entrance of first liquid passage 4022 460 are directly connected with liquid outlet 630, and the entrance 450 of second liquid passage 4024 stretches into fluid storage by auxiliary piping 4052 In chamber 604.As it is shown in fig. 7, connection has valve 414 in the outlet of fluid passage, valve 414 connects and has outlet conduit 416.

Described fluid storage chamber 604 is the cavity wall of liquid heater 6, described cavity wall include superposed cheese and Being positioned at the cylinder of bottom, the fluid storage chamber 604 i.e. centre of first liquid host cavity 604 is provided with heater 602, first liquid Host cavity 604 contains second liquid host cavity 606, and first liquid host cavity 604 is provided with inlet 632 and liquid outlet 630, the Two fluid storage chambeies 606 are provided with inlet 642 and liquid outlet 640, the liquid outlet 630 of first liquid host cavity 604 and the first liquid The entrance 460 of body passage 4022 is connected, the liquid outlet 640 of second liquid host cavity 606 and the entrance of second liquid passage 4024 450 are connected, it is achieved two kinds of liquid heat simultaneously, are incubated transmission respectively.Second liquid host cavity 606 coils tubulose knot ringwise Structure, annular disk is fixedly mounted in first liquid host cavity 604 by hollow out support 608 around tubular structure, hollow out support 608 with Heater 602 is co-axially mounted.

Liquid heat transfer device is when carrying out magnetic bead and cleaning separation, and first, liquid heater 6 is added by heater 602 Cleanout fluid in hot first liquid host cavity 604, and by heated cleanout fluid heating second liquid host cavity 606 Acid solution.Secondly, during the reaction tube 10 with reactant liquor and magnetic bead is placed into magnetic bead cleaning segregation apparatus by analyser.Then, press According to the position of preset program switching reaction tube, make reaction tube intermittent on the reaction position of the reaction position and non-magnet that are provided with Magnet Movable；On the reaction position of non-magnet, the cleanout fluid that liquid-way system controls in first liquid host cavity 604 is led to by first liquid Road 4022 is filled in reaction tube, on the reaction position being provided with Magnet, controls lifting punch block and drives in washing liquid pin sucking-off reaction tube Cleanout fluid.After too much wheel cleans, liquid-way system controls the acid solution of second liquid host cavity 606 by second liquid passage 4024 are filled in reaction tube.Finally, the reaction tube through Beads enrichment with cleaning is transferred to detect in storehouse and is completed by analyser Sample component is analyzed.

In the test experiments of liquid heat transfer device heat energy loss, carry out test experiments by two groups of temperature.Experimental group 1 Middle liquid in first liquid host cavity and second liquid host cavity is heated to 41 DEG C, first liquid host cavity in experimental group 2 It is heated to 37 DEG C with the liquid in second liquid host cavity, experimentation keeps continuous heating.At interval of 60s, liquid heats Device carries liquid by fluid path passage in reaction tube, and measures the temperature of liquid in reaction tube.Often group experiment carries out 20 respectively Group repeats, and experimental result is shown in Table 1.

Table 1: go out the detection table of liquid temp in liquid heat transfer device

According to above-mentioned experimental result, when heating-up temperature is 41 DEG C, being filled into the mean temperature of acid solution in 20 groups of reaction tubes is 35.99 DEG C, being filled into the mean temperature of cleanout fluid in 20 groups of reaction tubes is 36.23 DEG C.Heating-up temperature is 37 DEG C, is filled into 20 groups In reaction tube, the mean temperature of acid solution is 33.31 DEG C, and being filled into the mean temperature of cleanout fluid in 20 groups of reaction tubes is 33.30 DEG C. Test result indicate that, under identical heating-up temperature, the temperature spread often organizing reaction tube detection temperature every 60s is little, often organizes reaction Solution temperature in pipe is sufficiently stable, and heated liquid is by heater after fluid passage carries, and heat energy loss is little, and liquid adds Heat transfer apparatus reaches the requirement of accurate temperature controlling, it is possible to achieve the insulation of long period, to meet reaction temperature in analyser Requirement.

Claims (10)

1. a liquid heating, including heater, fluid storage chamber and the liquid outlet being arranged on fluid storage chamber, it is special Levying and be, the top in described fluid storage chamber is cheese, and described liquid outlet is connected to the highest point of fluid storage intracavity liquid level.

Liquid heating the most according to claim 1, it is characterised in that described cheese is selected from hemisphere, half ellipse Circle, cone or round platform.

Liquid heating the most according to claim 1, it is characterised in that on the inner surface of described fluid storage top of chamber Being provided with projection, described liquid outlet is arranged on the protruding junction with fluid storage chamber.

Liquid heating the most according to claim 3, it is characterised in that described projection is conical protrusions.

Liquid heating the most according to claim 3, it is characterised in that described liquid outlet is three.

Liquid heating the most according to claim 1, it is characterised in that described heater is arranged on fluid storage chamber In.

Liquid heating the most according to claim 6, it is characterised in that the outer surface of described heater is provided with some Projection for heat radiation.

Liquid heating the most according to claim 7, it is characterised in that described projection is selected from helical raised, ring Shape projection or strip projected parts.

Liquid heating the most according to claim 1, it is characterised in that described heater is column, heater is installed Centre in fluid storage chamber.

Liquid heating the most according to claim 1, it is characterised in that the bottom in described fluid storage chamber is cylinder Shape.