CN201569131U - Inserter for circulating type heater - Google Patents
Inserter for circulating type heater Download PDFInfo
- Publication number
- CN201569131U CN201569131U CN2009202693926U CN200920269392U CN201569131U CN 201569131 U CN201569131 U CN 201569131U CN 2009202693926 U CN2009202693926 U CN 2009202693926U CN 200920269392 U CN200920269392 U CN 200920269392U CN 201569131 U CN201569131 U CN 201569131U
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- heater
- liquid
- insert
- flow
- conducting pipes
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- 239000007788 liquid Substances 0.000 claims abstract description 136
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims description 35
- 239000004020 conductor Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 description 13
- 238000013461 design Methods 0.000 description 11
- 238000007789 sealing Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 235000015114 espresso Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000700 radioactive tracer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000533293 Sesbania emerus Species 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000013353 coffee beverage Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013350 formula milk Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/142—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using electric energy supply
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/542—Continuous-flow heaters
- A47J31/545—Control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/212—Temperature of the water
- F24H15/219—Temperature of the water after heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/001—Guiding means
- F24H9/0015—Guiding means in water channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2028—Continuous-flow heaters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Pipe Accessories (AREA)
- Control Of Resistance Heating (AREA)
- Control Of Temperature (AREA)
- Measuring Volume Flow (AREA)
Abstract
The utility model relates to equipment for heating liquid, comprising a pipeline (2) for conveying liquid, a heating device (3) of a circulating type heater (1), a device for detecting the temperature of liquid at the outlet (5) of the circulating type heater (1) and an inserter (6). The heating device (3) of the circulating type heater (1) is used for heating the liquid when the liquid flaws through the pipeline (2), the device for detecting the temperature of the liquid at the outlet (5) of the circulating type heater (1) is one part of equipment for controlling the temperature of the liquid at the outlet (5) of the circulating type heater (1), and the inserter (6) is partially inserted into the liquid conveying pipeline (2) of the circulating type heater (1) and is positioned at the outlet side of the circulating type heater (1). One part (8) of the inserter (6) positioned inside the liquid conveying pipeline (2) of the circulating type heater (1) occupies at least most space of one part of the liquid conveying pipeline (2) which is not directly correlative with the heating device (3) of the circulating type heater (1).
Description
Technical field
The utility model relates to and is used for device for heating liquids, comprises having the flow-through heater that is used to carry the pipeline of liquid and is used for the device of heating liquid when liquid is flowed through this pipeline; And the device of fluid temperature that is used to detect the exit of this flow-through heater, it is the part of equipment of fluid temperature that is used to control the exit of this flow-through heater.
Background technology
In the equipment of many types, need in the equipment operating process, to heat the device of the certain amount of fluid that will use.For example, in the equipment that is fit to the making Hot Coffee, a certain amount of water was heated earlier before the coffee bean of a certain amount of grinding of flowing through.
In order to heat for example purpose of the liquid of water, many equipment have been equipped calorifier,, have the equipment of the heater that is used to hold the container of certain amount of fluid and is associated with this container that is, and heater is as the liquid in current this container of heating.In case the temperature of liquid arrives the level of expectation, this liquid just can be discharged from this calorifier and is used for its its intended purposes.
Yet, some noticeable deficiency of the application of calorifier, therefore, developed another method of heating liquid, it comprises the application of flow-through heater, that is, have the pipeline that is used to carry liquid and be used to heat the equipment of device of liquid of this pipeline of flowing through.In the actual embodiment of this flow-through heater, in this liquid conducting pipes arranged around electrical heating elements.Some considerable advantages of using flow-through heater are that the heating process of this liquid almost is to finish moment, so almost without any the stand-by period, when using relatively with calorifier, it needs energy still less, and this flow-through heater only is not applicable to alternative calorifier, also is applicable to for example espresso equipment of high-pressure system.
In order to control the purpose of this flow-through heater exit fluid temperature, use feedback control loop probably.Yet, in fact, reach about the high request of the outlet temperature mentioned it seems be difficulty so that impossible.In other words, based on the detection of outlet temperature, the operation of controlling this flow-through heater by abundant accurate way it seems be difficulty so that impossible.
The utility model content
The purpose of this utility model is to optimize the feedback control loop of equipment comprise flow-through heater and to be used for controlling the feedback control loop of outlet temperature.By outlet side in this flow-through heater, the insert that provides part to be inserted into the liquid conducting pipes of this flow-through heater reaches this purpose, and the part of insert that wherein is arranged in the liquid conducting pipes of this flow-through heater takies at least and is present in the not major part in the space of the part of the direct liquid conducting pipes that is associated with the heater of this flow-through heater.
To basic understanding of the present utility model, the difficulty in the control outlet temperature is caused by the delay in the feedback procedure according to following, and it relates to the conventional design of this flow-through heater.Particularly, in this design, liquid conducting pipes and heating element heater arrangement relative to each other makes pipeline all protrude certain length with respect to this heating element heater at the entrance side and the outlet side of this flow-through heater.Therefore, when detecting the fluid temperature in flow-through heater exit, be actually the exit of this pipeline, exist to arrive and detect the delay that the length of at first having passed not directly related with heating element heater pipeline before the place that takes place causes by this liquid.Below, this phenomenon will be considered to the existence of dead volume in the flow-through heater, and the part of the pipeline directly related with heating element heater is not considered to the invalid part of this flow-through heater.
About dead volume and correlation delay time, be noted that dead volume is big more, realize that the average outlet temperature of expectation under all environment is difficult more.Especially obvious when the total measurement (volume) that contrasts this flow-through heater when dead volume accounts for suitable part, for example, this is applicable to the situation of the flow-through heater of espresso equipment just.Substantially, time delay is long more, and the response of feedback control loop is slow more, and unstability more early takes place.Therefore, cause the constraint of this flow-through heater applicability than the long delay time.For example, the application in the espresso equipment is in fact impossible, because the feedback control loop that such application requirements responds fast.
In many application, it is important having minimum possible manufacturing cost.Therefore, under many situations, the design that changes this flow-through heater in order to solve the problem of sketching above is not a feasible selection.On the contrary, need be with the another kind of solution that is assumed to the basis of conventional flow-through heater application.The utility model is by the outlet side place of suggestion in this flow-through heater, what part was inserted insert in the liquid conducting pipes of this flow-through heater should be used for providing this solution, and a part that wherein is positioned at the liquid conducting pipes internal insert of this flow-through heater has taken most at least dead volume.
When using, realized remarkable this dead band volume that reduced according to insert of the present utility model.This is owing to be positioned at the fact that the part of the liquid conducting pipes internal insert of this flow-through heater has been filled dead volume.In many practical situation, consider the flow direction of liquid in this flow-through heater, this part of insert is longer than and is used for keeping insert in this liquid conducting pipes demand in place.
Because the minimizing of the dead volume that the insert of mentioning by application is realized, reduced the time delay of the outlet temperature of tracer liquid significantly, as favourable outcome, can more effective and accurately control this outlet temperature.According to the utility model, need not make the modification of this flow-through heater design, also need not upgrade be used for temperature controlled processes assembly to reach this favourable outcome, only need simply add the application of assembly, just this insert.
In order to reduce the dead volume of the invalid part of this flow-through heater as much as possible, and, preferably between the inner surface of the liquid conducting pipes of this flow-through heater and outer surface, only there is little gap in the part of this liquid conducting pipes internal insert for the security arrangements of insert in this pipeline.
In practical situation, this insert comprises the conduit system that is used for liquid is transported to from the liquid conducting pipes of this flow-through heater the outlet of this insert.In the case, one or more conduits of the fluid delivery conduit system of this insert transmit liquid as the invalid part by this flow-through heater.Preferably, in the flow-through heater exit, the diameter of one or more conduits of this fluid delivery conduit system is significantly less than the diameter of the liquid conducting pipes of this flow-through heater, make the volume of these one or more conduits be significantly smaller than the volume of the invalid part of this flow-through heater, and the dead volume minimizing effect that this insert is used can be best.
Can be according to insert of the present utility model in the part of the insert that is arranged in this flow-through heater liquid conducting pipes outside, comprise the conduit that extends to the fluid delivery conduit system from the outer surface of this insert, the device that wherein is used to detect this flow-through heater exit fluid temperature conduit therewith is associated.Preferably, this conduit is positioned at as far as possible the end near the fluid delivery conduit of this flow-through heater, so that the detection of outlet temperature can occur in from the near as far as possible position of this fluid delivery conduit end, and although relatively little dead volume is arranged, the length that dead volume exists remains minimum.
About being the fluid delivery conduit system of the part of insert, notice that this conduit system can comprise two conduits about being orientated at an angle to each other at least.In favourable design, this conduit system comprises that at least one is used to make liquid to enter the conduit of this conduit system, wherein the orientation of this at least one entry conductor is substantially perpendicular to the flow direction of liquid in this flow-through heater, and extends to opposite side from a side of this insert; And the conduit that is used to make liquid to discharge from this conduit system, wherein the orientation of this delivery channel is arranged essentially parallel to the flow direction of liquid in this flow-through heater, and wherein at least one entry conductor and delivery channel are connected to each other.
The advantage of design of using the fluid delivery conduit system of this insert is to have prevented liquid may remain in the situation of the outlet of this insert, wherein the orientation of at least one entry conductor and this delivery channel are angled, and wherein this entry conductor extends to opposite side from a side of this insert.This entry conductor is used as a kind of shortcut, and liquid can not arrive the outlet of this insert, unless use suction and/or compressing power.In addition, when being applied in the notion that has angle between one or more entry conductors and the delivery channel, may create multiple access road, so that realize the mixing of liquid to the junction of delivery channel at one or more entry conductors, consequently even more precise dose detects.
In actual embodiment, particularly this insert comprises in the embodiment of fluid delivery conduit system therein, may further include the space that is used to seal between the inner surface of the outer surface of the part of the liquid conducting pipes internal insert of this flow-through heater and this liquid conducting pipes according to equipment of the present utility model.By using the suitable seal device, prevented from liquid conducting pipes by this insert outer surface and this side opposite between the fluid seepage in (narrow) space.Certainly, sealing device, it can comprise O shape ring etc., considers the flow direction of liquid in the flow-through heater, is positioned at one or more inlets back of the fluid delivery conduit system of insert.
When considering respectively, many above-mentioned aspects of the present utility model manifest from this insert.In the case, these aspects are expressed as follows.
Insert usually is described as being intended to be used for the insert that device for heating liquids is used as mentioned above, comprising:
-be fit to insert the end portion of the pipeline that is used to carry liquid, in particular for further having the liquid conducting pipes that is used for the part of the flow-through heater of the device of heating liquid when flowing through this pipeline; And
-be used for carrying the conduit system of liquid by this insert, wherein the diameter of one or more conduits of fluid delivery conduit system is significantly less than the overall diameter of end portion.
In according to insert of the present utility model, if the fluid delivery conduit system comprises that at least two is favourable about the conduit that is orientated at an angle to each other.Preferably, in the case, the fluid delivery conduit system comprises that at least one is used to make liquid to enter the conduit of this conduit system, and wherein the orientation of this at least one entry conductor is substantially perpendicular to the axial of insert, be the vertical of insert, and extend to opposite side from a side of this insert; And the conduit that is used to make liquid to discharge from this conduit system, wherein the orientation of this delivery channel be arranged essentially parallel to insert axially, and wherein at least one entry conductor and delivery channel are connected to each other.
In order to allow the temperature detection purpose of insert internal liquid, if insert be not be fit to insert another part that pipeline is used for carrying the end portion of liquid, insert comprises that further the conduit that extends to the fluid delivery conduit system from the outer surface of insert is favourable.
Be preferably used for avoiding liquid to provide from one or more assemblies that the sealing device of the liquid conducting pipes seepage of flow-through heater can be used as insert.In the case, insert further comprises the device of the ring of O shape for example, and it is applicable to the space between two surfaces of sealing, and wherein these sealing devices are positioned at the end portion that is fit to insert the pipeline that is used to carry liquid.
Except the above-described device for heating liquids that is used for, the utility model also provides the method that is used to improve accuracy in the exit with the flow-through heater that is used to the device carrying the pipeline of liquid and be used for heating liquid when flowing through this pipeline, wherein at the outlet side of flow-through heater, by insert being provided and at least a portion of insert being incorporated into the most of at least of space in the part of filling the liquid conducting pipes that is present in not directly related flow-through heater in the liquid conducting pipes of flow-through heater with the heater of flow-through heater.
Preferably, when carrying out, only at the inner surface of the liquid conducting pipes of this flow-through heater be inserted between the outer surface of a part of the insert in this liquid conducting pipes and allow little gap according to method of the present utility model.
When carrying out according to method of the present utility model, the insert of application can be as insert defined above, or any other suitable insert, supposes that the minimizing of dead volume can realize by occupying this volume, and block liquid does not flow.
Above-mentioned and others of the present utility model will be from presenting about the illustrating of the detailed description of following embodiment according to insert of the present utility model.
Description of drawings
Now with reference to wherein representing that with same reference numerals the following drawings of same or similar part is described more specifically the utility model, in the accompanying drawing:
Fig. 1 is shown schematically in flow-through heater;
Fig. 2 is shown schematically in according to the part of flow-through heater of the present utility model and insert; And
Fig. 3 and Fig. 4 show the diagrammatic sketch of two longitudinal cross-sections of end of the liquid conducting pipes of insert and flow-through heater.
The specific embodiment
Fig. 1 is shown schematically in flow-through heater known in the art 1.Substantially, flow-through heater 1 comprises pipeline 2 and the heating element heater 3 that is used to carry liquid, and it is arranged as tightly round liquid conducting pipes 2.In most cases, the cross section of liquid conducting pipes is an annular, and it does not change the fact of other possible shape.
Among Fig. 1, can clearly be seen that all length that is not liquid conducting pipes 2 is all covered by heating element heater 3.At the entrance side and the outlet side of flow-through heater 1, the length 4 of liquid conducting pipes 2 directly is not associated with heating element heater 3.These length 4 are considered to the invalid part 4 of flow-through heater 1.
In flow-through heater 1 operating process, for example current are through liquid conducting pipes 2 to make liquid, and operation heating element heater 3 is used for providing heat to realize the increase of fluid temperature to liquid.Providing of initial temperature, flow and the heat that three key factors in the fluid temperature of realizing expecting at flow-through heater 1 outlet 5 places are liquid.For the actual outlet temperature of checking liquid whether in the scope of expectation, and whether the energy that the parameter of definite flow type heating process for example offers the heating element heater 3 of flow-through heater 1 needs to adjust, this is the conventional practice with feedback control loop, wherein detects the basis that outlet temperature also is used as possible adjustment.Yet because the existence of the invalid part 4 in liquid conducting pipes 2 exits of flow-through heater 1, feedback control loop has had delay, and it has played negative effect on the accuracy of temperature controlled processes.
Delay in the feedback control loop directly relates to the volume of the invalid part 4 in flow-through heater 1 exit, and it is considered to dead volume.For example, when invalid part 4 had 2cm length, the interior diameter of liquid conducting pipes 2 was 1cm, and flow is 5ml/s and detects outlet temperature at outlet 5 places of flow-through heater 1, is about 0.314s time delay.By determining dead volume, and draw this value divided by flow with dead volume.This dead band volume equals pi*r
2* l=pi*0.5
2* 2=1.57ml, wherein r represents the inside radius of liquid conducting pipes 2, and 1 length of representing the invalid part 4 of flow-through heater 1 wherein.Therefore, equal 1.57/5=0.314s time delay.For example, at relating to the application of making espresso, the dead volume of contrast total measurement (volume) 1.57ml is significant.Therefore, in this situation, this dead band volume has the appreciable impact on the final temperature of this beverage.
For the delay in the minimum feedback control loop, the utility model proposes and be used to the measure that makes this dead band volume as far as possible little.These measures comprise that part inserts the application of the insert 6 in the liquid conducting pipes 2 of flow-through heater 1, are indicated by dotted line by wherein insert 6 shown in Figure 2.In addition, the appropriate location of Fig. 2 indicated temperature sensor 7, they are in the insert 6 right outside parts of flow-through heater 1.Preferably design the insert 6 feasible dead volumes that remove as much as possible, allow the liquid stream that requires simultaneously.The design of insert 6 will further be illustrated based on Fig. 3 and Fig. 4, wherein shows the longitudinal component of insert 6, also shows the part of the liquid conducting pipes 2 of flow-through heater 1, and wherein insert 6 is partly inserted.
The example of the insert 6 shown in Fig. 3 and Fig. 4 comprises three parts.First 8 is the end portion that are fit to be positioned invalid part 4 inside of flow-through heater 1.Therefore, the overall diameter of this end portion 8 of insert 6 is less than the interior diameter of the liquid conducting pipes 2 of this flow-through heater 1.Second portion 9 is another end portion that allow insert 6 is connected to flexible pipe etc., and has the outlet 10 at the liquid of its free powder end.Third part 11 is mid portions, and it is arranged as the end of the liquid conducting pipes 2 that is close to flow-through heater 1 intentionally.Therefore, the overall diameter of this mid portion 11 of insert 6 is greater than the interior diameter of the liquid conducting pipes 2 of this flow-through heater 1.
In the inside of insert 6, be furnished with the conduit system 12 that is used for by insert 6 conveying liquid.At entrance side, that is, a side of the most close flow-through heater 1, conduit system 12 comprise two conduit 13a, 13b, and it is along the radially extension of insert 6, that is, and and perpendicular to the direction of flow direction in the flow-through heater 1.These conduits 13a, 13b are transported to the center that insert 6 inner conduit 13a, 13b intersect as liquid is entered in the insert 6 and with this liquid.From then on the position extends to the outlet 10 of this insert 6, and delivery channel 14 is present in insert 6 inside.For the sake of completeness, the flow direction of noting liquid in the flow-through heater 1 is indicated by means of the arrow among the figure.
Should know other design but not the above-mentioned design of the fluid delivery conduit system 12 of insert 6 may be in scope of the present utility model.For example, can be single, the centre pipe that extends through insert 6.Yet, be preferably and have radial oriented entry conductor 13a, the configuration of 13b, because might avoid when realizing this configuration, liquid is not updated and in the situation of the outlet side residual liquid of insert 6.This point is important, and the residual quantity of considering liquid can be the source of bacterial growth.In addition, enter from each side of insert 6 by making liquid, realize the mixing of liquid, this will help temperature detection stably.
Except being used to carry conduit 13a, the 13b, 14 of liquid, insert 6 has the one or more assemblies that are used to hold the process that is used for the tracer liquid outlet temperature or the conduit 15 of part assembly (now shown in Fig. 3 and Fig. 4).Below, this conduit 15 will be considered to detected catheter 15.In the mid portion 11 of insert 6, arrange this detected catheter 15, and extend to delivery channel 14, so that allow the liquid free path of one or more detection components to the delivery channel 14 of flowing through from the outer surface of insert 6.In the example that illustrates, detected catheter 15 has radial oriented in the insert 6, as delivery channel 13a, 13b.
The purpose of 1 liquid conducting pipes 2 seepages for fear of liquid from flow-through heater is arranged sealing device, at the entry conductor 13a of insert 6, the back location place of 13b placement location between the outer surface of the inner surface of pipeline 2 and insert 6.In the utility model scope, can use the sealing device of any suitable type.In the example that illustrates, sealing device comprises O shape ring 16, and it is contained in the groove of the outer surface that is arranged in insert 6.
Fig. 3 and Fig. 4 show the size of the end portion 8 of the insert 6 in the invalid part 4 that is fit to be positioned flow-through heater 1, and the selection of this size makes and exists only in minimum space between the inner surface of liquid conducting pipes 2 of the outer surface of this part 8 of insert 6 and flow-through heater 1 during in its suitable position when insert 6.Generally speaking, when the outlet side that insert 6 is positioned over flow-through heater 1 is in place, most of volumes of the invalid part 4 of flow-through heater 1 have been filled, wherein cause this volume of the delay in the liquid outlet temperature detection to be not more than the volume of the summation in the space between the inner surface of liquid conducting pipes 2 of the outer surface of the insertion portion 8 that is present in insert 6 and flow-through heater 1, the entry conductor 13a of insert 6, the volume of 13b, and be connected the volume of the delivery channel 14 between the position of entry conductor 13a, 13b and detected catheter 15.
If outlet side place in flow-through heater 1, conduit 13a, the 13b of the fluid delivery conduit system 12 of conduit insert 6,14 diameter can be very favorable less than the diameter of the liquid conducting pipes 2 of flow-through heater 1 significantly, make that in fact dead volume can be as much as possible little.Because the minimizing of the dead volume of the invalid part 4 of flow-through heater 1, the utility model allow improving one's methods of control outlet temperature, it causes the equipment that the utility model is applied to is wherein produced more performance.Being worth the example of this equipment mentioned is machine for preparing drink, and particularly polytype coffee equipment and espresso equipment comprise that drip irrigation filter type and pad handle type and baby milk equipment.
In the manufacture process of equipment, wherein used the utility model, conventional flow-through heater 1 is provided, dead volume wherein by provide insert 6 to reduce the outlet side of flow-through heater 1 according to the utility model, and the end portion 8 of insert 6 introduced to the liquid conducting pipes 2 of flow-through heater 1.
Those skilled in the art are clear, the example that scope of the present utility model is not limited to discuss in the preamble, but some improvement and the modification to example is possible under the situation of the utility model scope that limits in not breaking away from as appended claims.Although in drawing and description, illustrated and described the utility model particularly, will think that such diagram and description only is example or gives an example rather than restriction.The utility model is not limited to disclosed embodiment.
Those skilled in the art are according to the distortion that is appreciated that and realizes when realizing claimed the utility model disclosed embodiment of studying carefully to accompanying drawing, specification and claims.In claims, word " comprises " does not get rid of other steps or unit, and that indefinite article "/a kind of " is not got rid of is a plurality of/and multiple.This unique fact of some measure of record does not show the combination that can not advantageously utilize these measures in mutually different dependent claims.Any label in claims should not be construed as restriction scope of the present utility model.
The utility model can be summarized as follows.In the flow-through heater 1 of conventional design, can distinguish live part and two invalid parts 4 that are positioned at the end of flow-through heater 1, the part that the liquid conducting pipes 2 that wherein invalid part 4 is flow-through heater 1 directly is not associated with the heater 3 of flow-through heater 1.When backfeed loop was controlled the temperature that is used at outlet 5 places of flow-through heater 1 control liquid, the volume that exports the invalid part 4 in 5 places constituted the dead volume that causes the delay in the feedback procedure, causes temperature controlled unstability and inexactness.In order to prevent, should minimize this delay.Therefore, consider the flow direction of liquid in the flow-through heater 1, the live part that is desirably in flow-through heater 1 detects outlet temperature afterwards as quickly as possible.This realizes by the insert 6 that application is used to reduce the dead volume by occupying most of this volume.In the practical situation, insert 6 comprises and is used for carrying the conduit system 12 of liquid to the outlet 10 of insert 6 from the liquid conducting pipes 2 of flow-through heater 1.Preferably, in this case, outlet 5 places in flow-through heater 1, one or more conduit 13a, the 13b of fluid delivery conduit system 12,14 diameter are significantly less than the diameter of the liquid conducting pipes 2 of flow-through heater 1, make that the volume of fluid delivery conduit system 12 is relatively little, the existence of conduit system 12 can not be upset dead volume and reduce the effect that insert 6 is used in the insert 6.
Claims (7)
1. one kind is used for device for heating liquids, comprising:
-have the pipeline (2) that is used to carry liquid and be used for when liquid is flowed through described pipeline (2), heating the flow-through heater (1) of the device (3) of described liquid;
-be used to detect the device (7) of the fluid temperature that the outlet (5) of described flow-through heater (1) locates, the part of the equipment of the fluid temperature that it is located for the outlet (5) that is used to control described flow-through heater (1); And
-part is inserted the insert (6) in the fluid delivery conduit (2) of described flow-through heater (1), it is at the outlet side of described flow-through heater (1), and a part (8) that wherein is arranged in liquid conducting pipes (2) internal insert (6) of described flow-through heater (1) occupies most of at least space of a part (4) that is present in not directly related with the heater (3) of described flow-through heater (1) liquid conducting pipes (2).
2. equipment according to claim 1 is wherein on the surface, inside of the liquid conducting pipes (2) of described flow-through heater (1) be positioned between the outer surface of part (8) of described liquid conducting pipes (2) internal insert (6) and only have little gap.
3. equipment according to claim 1, wherein said insert (6) comprises the conduit system (12) that is used for liquid is transported to from the liquid conducting pipes (2) of described flow-through heater (1) outlet (10) of described insert (6), and wherein locate in the outlet (5) of described flow-through heater (1), the diameter of one or more conduits of described fluid delivery conduit system (12) (13a, 13b, 14) is significantly less than the diameter of the liquid conducting pipes (2) of described flow-through heater (1).
4. equipment according to claim 3, the fluid delivery conduit system (12) of wherein said insert (6) comprises at least two conduits (13a, 13b, 14) about being orientated at an angle to each other.
5. equipment according to claim 4, the fluid delivery conduit system (12) of wherein said insert (6) comprises that at least one is used to the conduit (13a, 13b) that makes liquid enter described conduit system (12), the orientation of wherein said at least one entry conductor (13a, 13b) is substantially perpendicular to the flow direction of liquid in the described flow-through heater (1), and extends to opposite side from a side of described insert (6); And the conduit (14) that is used to make liquid to discharge from described conduit system (12), the orientation of wherein said delivery channel (14) is arranged essentially parallel to the flow direction of liquid in the described flow-through heater (1), and wherein said at least one entry conductor (13a, 13b) is connected to each other with described delivery channel (14).
6. equipment according to claim 3, wherein said insert (6) further is included in the part (11) of insert (6) of the outside of the liquid conducting pipes (2) that is arranged in described flow-through heater (1), extend to the conduit (15) of described fluid delivery conduit system (12) from the outer surface of described insert (6), and the device (7) that wherein is used to detect the fluid temperature that the outlet (5) of described flow-through heater (1) locates is associated with described conduit (15).
7. equipment according to claim 3 further comprises the space between the inner surface of the outer surface of a part (8) that is used to be sealed in liquid conducting pipes (2) internal insert (6) that is positioned at described flow-through heater (1) and described liquid conducting pipes (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08169083 | 2008-11-14 | ||
| EP081690836 | 2008-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201569131U true CN201569131U (en) | 2010-09-01 |
Family
ID=42170476
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801455266A Pending CN102317703A (en) | 2008-11-14 | 2009-11-11 | Insert for a flow through heater |
| CN2009202693926U Expired - Fee Related CN201569131U (en) | 2008-11-14 | 2009-11-13 | Inserter for circulating type heater |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801455266A Pending CN102317703A (en) | 2008-11-14 | 2009-11-11 | Insert for a flow through heater |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20110217027A1 (en) |
| EP (1) | EP2359071A2 (en) |
| JP (1) | JP2012515891A (en) |
| KR (1) | KR20110095886A (en) |
| CN (2) | CN102317703A (en) |
| DE (1) | DE202009015187U1 (en) |
| RU (1) | RU2011123882A (en) |
| WO (1) | WO2010055472A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619223A (en) * | 2011-04-29 | 2014-03-05 | 雀巢产品技术援助有限公司 | Insert for use in a food preparation machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2407069A1 (en) | 2010-07-12 | 2012-01-18 | Bleckmann GmbH & Co. KG | Dynamic flow-through heater |
| US9648983B2 (en) | 2012-05-15 | 2017-05-16 | Bleckmann Gmbh & Co. Kg | Helical dynamic flow through heater |
| WO2014162245A1 (en) | 2013-04-02 | 2014-10-09 | Koninklijke Philips N.V. | Electrochemical descaling by pulsed signal reversal |
| RU2656806C2 (en) | 2013-04-02 | 2018-06-06 | Конинклейке Филипс Н.В. | Electrochemical descaling by pulsed signal reversal |
| CN203898082U (en) * | 2014-01-14 | 2014-10-29 | 宁波金阳光电热科技有限公司 | Pressure type liquid quick heater |
| CN104535206A (en) * | 2014-12-01 | 2015-04-22 | 江门市君盛实业有限公司 | Mounting structure of thermometer |
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| US978808A (en) * | 1908-07-07 | 1910-12-13 | Simplex Electric Heating Co | Electric circulation water-heater. |
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| US3898428A (en) * | 1974-03-07 | 1975-08-05 | Universal Oil Prod Co | Electric in line water heating apparatus |
| DE2549619A1 (en) * | 1975-11-05 | 1977-05-12 | Zink Co John | Measurement of temperature of hot flowing gases - involves thermocouple surrounded by concentric thin walled tubes to protect against radiation loss |
| DE3116951C2 (en) * | 1981-04-29 | 1984-12-20 | Drägerwerk AG, 2400 Lübeck | Device for adding liquid anesthetics to the breathing gas to be supplied to the patient |
| US4604515A (en) * | 1984-10-16 | 1986-08-05 | Cmr Enterprises, Inc. | Tankless electric water heater with staged heating element energization |
| DE3810736A1 (en) * | 1988-03-30 | 1989-10-19 | Bentz & Sohn Melitta | CONTINUOUS HEATER, ESPECIALLY FOR A COFFEE OR TEA MACHINE |
| CH675819A5 (en) * | 1988-06-10 | 1990-11-15 | Nestle Sa | |
| US5415024A (en) * | 1992-12-16 | 1995-05-16 | Marathon Oil Company | Composition analyzer for determining composition of multiphase multicomponent fluid mixture |
| FR2721381B1 (en) * | 1994-06-20 | 1996-08-02 | Seb Sa | Device for producing hot water or steam. |
| US6078032A (en) * | 1998-08-07 | 2000-06-20 | Bmg Holdings, Llc | Hot water beverage maker with voltage transformer type water heating unit |
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| NL1014601C2 (en) * | 2000-03-10 | 2001-09-11 | Ferro Techniek Bv | Heating element, liquid container and method for detecting temperature changes. |
| JPWO2002090836A1 (en) * | 2001-04-20 | 2004-08-26 | 坂本 篤信 | Electric water heater, liquid heater, steam generator |
| DE20120611U1 (en) * | 2001-12-20 | 2003-02-13 | Fritz Eichenauer GmbH & Co. KG, 76870 Kandel | Heating system for a steam generator |
| GB2399527B (en) * | 2003-03-21 | 2005-08-31 | Pyrotek Engineering Materials | Continuous casting installation & process |
| FR2855359B1 (en) * | 2003-05-19 | 2005-07-01 | Seb Sa | DEVICE FOR HEATING A LIQUID FOR AN ELECTRICAL APPLIANCE, AN ELECTRICAL APPLIANCE EQUIPPED WITH SUCH A DEVICE. |
| EP1532905A1 (en) * | 2003-11-20 | 2005-05-25 | Steiner AG Weggis | Device for supplying hot water, steam or hot milk to a coffee machine |
| WO2005057090A1 (en) * | 2003-12-10 | 2005-06-23 | Matsushita Electric Industrial Co., Ltd. | Heat exchanger and cleaning device with the same |
| EP1634520A1 (en) * | 2004-09-13 | 2006-03-15 | Nestec S.A. | Device and method for heating a liquid |
| JP4029092B2 (en) * | 2004-10-26 | 2008-01-09 | 日本ピラー工業株式会社 | Fluid heater and fluid heating device |
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| US8396356B2 (en) * | 2009-07-24 | 2013-03-12 | Balboa Water Group, Inc. | Bathing installation heater assembly |
-
2009
- 2009-11-09 DE DE202009015187U patent/DE202009015187U1/en not_active Expired - Lifetime
- 2009-11-11 CN CN2009801455266A patent/CN102317703A/en active Pending
- 2009-11-11 EP EP09756061A patent/EP2359071A2/en not_active Withdrawn
- 2009-11-11 WO PCT/IB2009/055013 patent/WO2010055472A2/en active Application Filing
- 2009-11-11 JP JP2011543873A patent/JP2012515891A/en not_active Withdrawn
- 2009-11-11 KR KR1020117013265A patent/KR20110095886A/en not_active Application Discontinuation
- 2009-11-11 US US13/128,285 patent/US20110217027A1/en not_active Abandoned
- 2009-11-11 RU RU2011123882/06A patent/RU2011123882A/en not_active Application Discontinuation
- 2009-11-13 CN CN2009202693926U patent/CN201569131U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619223A (en) * | 2011-04-29 | 2014-03-05 | 雀巢产品技术援助有限公司 | Insert for use in a food preparation machine |
| CN103619223B (en) * | 2011-04-29 | 2016-10-12 | 雀巢产品技术援助有限公司 | It is used in the insert in food preparation machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102317703A (en) | 2012-01-11 |
| WO2010055472A3 (en) | 2013-01-10 |
| RU2011123882A (en) | 2012-12-20 |
| DE202009015187U1 (en) | 2010-06-24 |
| WO2010055472A2 (en) | 2010-05-20 |
| JP2012515891A (en) | 2012-07-12 |
| EP2359071A2 (en) | 2011-08-24 |
| US20110217027A1 (en) | 2011-09-08 |
| KR20110095886A (en) | 2011-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20131113 |