CN202653898U - Liquid heating equipment - Google Patents

Abstract

The utility model discloses liquid heating equipment 1, which comprises a liquid cavity, a heater 39, a liquid supply device 303, a distributor 307 and an actuator 305, wherein the heater 39 is used for heating liquid in the cavity, the liquid supply device 303 is used for supplying the liquid to the cavity, the distributor 307 is used for distributing the liquid from the cavity, and the actuator 305 is used for actuating the distributor 307 and preventing the liquid supply device 303.

Description

Liquid heating apparatus

Technical field

The utility model relates to liquid heating apparatus, such as liquid heater.

Background technology

When the family expenses heating liquid, need to save energy.Knownly can save in the following manner energy:

● only heat the liquid (for example instant hot water (Hot Water on Demand)) of aequum.

● heating liquid is arrived needed dispense temperature.

● all liq that fast allocation heats.

Although known above-mentioned solution, in reality is implemented, very difficult realization when especially in high-power utensil, being low to moderate the amount of 150ml.

Particularly, need to overcome the temperature lag between some problems, particularly heater and the liquid to be heated when detecting or control fluid temperature, the heat of the overshoot that produces after heater is not energized enters into liquid.

WO-A-2010/094945 discloses after liquid boiling by add the method that other liquid is alleviated overshoot in container, also disclose will be colder liquid mix the method that the temperature that makes the liquid that distributes is lower than boiling temperature with boiling liquid.

The utility model content

According to the utility model, a kind of liquid heating apparatus is provided, it comprises fluid chamber, be used for the heater of the liquid in the heating chamber, be used for feed fluid to the fluid Supplying apparatus in chamber, be used for from the distributor of chamber dispense liquid and be used for the actuator that actuated dispenser stops fluid Supplying apparatus simultaneously.Advantageously, this can prevent from mixing with the liquid that has heated that is assigned with from the cooling liquid of fluid Supplying apparatus.

According on the other hand of the present utility model, a kind of liquid heating apparatus is provided, comprise fluid chamber, be used for the heater under the base plate of liquid of heating chamber and be used for keeping described chamber enough liquid to prevent device overheated when heater is energized.

According on the other hand of the present utility model, generator, this device were used for before heater is energized partially or fully filling liquid heating chamber, thereby heater can be not overheated.

According on the other hand of the present utility model, generator, this device are used for keeping enough liquid in the heating liquid chamber, thereby avoid overheated when heater is switched on.

According on the other hand of the present utility model, wherein said fluid Supplying apparatus comprises the hole, fills described fluid chamber to predetermined fluid level by described hole.

According on the other hand of the present utility model, liquid heating apparatus comprises float valve, is used for stoping when the liquid level of described fluid chamber reaches described predetermined fluid level described fluid Supplying apparatus.

According on the other hand of the present utility model, wherein said float valve comprises extension, and described extension enters into described fluid Supplying apparatus, makes described float valve stable.

According on the other hand of the present utility model, wherein said distributor is normally closed type.

According on the other hand of the present utility model, wherein said actuator is user's actuator.

According on the other hand of the present utility model, wherein said actuator can move, and makes described heater energising when described distributor does not activated.

According on the other hand of the present utility model, wherein also comprise the thermostat of the temperature of controlling described actuator.

According on the other hand of the present utility model, wherein said actuator is movably between primary importance and the second place, is energized at the described heater of described primary importance, is not energized and described distributor activated at the described heater of the described second place.

According on the other hand of the present utility model, wherein said actuator is movable to the 3rd position, and described heater is not energized in described the 3rd position, and described distributor is prevented from, and described fluid Supplying apparatus is not prevented from.

According on the other hand of the present utility model, wherein said actuator comprises mechanism, and described mechanism stoped described fluid Supplying apparatus before described distributor activated.

According on the other hand of the present utility model, wherein said actuator comprises parts, and described parts activate described fluid Supplying apparatus after stoping described distributor.

According on the other hand of the present utility model, wherein said fluid Supplying apparatus is further prevented from by damping.

According on the other hand of the present utility model, wherein said actuator comprises pivotable member.

According on the other hand of the present utility model, comprise for the enough liquid that keeps described chamber when described heater is energized, to prevent overheated device.

According on the other hand of the present utility model, wherein said device be used to keeping enough liquid comprises fluid Supplying apparatus, when described fluid Supplying apparatus is configured to liquid level in described chamber less than predetermined minimum level with liquid carrying for to described chamber.

According on the other hand of the present utility model, the float valve of opening when wherein said fluid Supplying apparatus comprises the liquid level that is configured in described chamber less than predetermined minimum level.

According on the other hand of the present utility model, the heater under the wherein said base plate is positioned or is limited to the part, and described fluid Supplying apparatus is configured to provide liquid in the zone of the heater under described base plate.

According on the other hand of the present utility model, comprise be used to being independent of the device of described unit feeding liquid be used to keeping the enough liquid in the described chamber to described chamber.

According on the other hand of the present utility model, comprise that when stoping feed fluid to described chamber liquid is by from described chamber assigned unit.

Description of drawings

With reference to the accompanying drawing that hereinafter illustrates, the detailed description to preferred embodiment of the present utility model only is shown by way of example now.

Fig. 1 is the cutaway view that is used for heating and distributing the container of little volumetric water in embodiment of the present utility model.

Fig. 2 is the cross-sectional schematic with the embodiment of the device of promising heating chamber perfusion fluid.

Fig. 3 a～Fig. 3 d is the cross-sectional schematic that activates the embodiment of pivot rods with the user.

The specific embodiment

In the following description, represent functionally similar parts among the different embodiment with identical Reference numeral.Accompanying drawing just schematically unless otherwise indicated, can not accurately be determined size and angle according to these accompanying drawings.

In the embodiment that schematically illustrates in Fig. 1, provide heating container 1, it can be such as being used in the utensil that is designed for instant hot-water supply of describing in WO2010/094945.Heating container 1 is provided with independent lid 226, covers 226 detachable.Base part comprises heating plate 12 and component arrangement 39.

The base part of container comprises whole outlet 216, and whole outlet 216 can form or be molded as the part of container or as the part of independent heating element heater or be connected to independent heating element heater.The sealing surface that the top 217 of outlet forms against conical sealing unit 218.The sealing surface 217 of outlet can comprise the extra local part (not shown) of encapsulant, and with container bottom with high or be lower than container bottom at the edge, and there is not the cold burden current mark to form (no cold slug of liquid formed) yet, so that when sealing device 218 is removed, all liquid under Action of Gravity Field from container allocation.

Sealing device 218 manually actuables or preferably activate by the mechanical connector push rod 212 of the lid of container (as pass) dynamo-electricly.In preferred embodiment, push rod 212 is connected to electromagnetic actuators 211, perhaps push rod 212 is parts of electromagnetic brake 211, and electromagnetic brake 211 has the solenoid (not shown) that is arranged in the removable shell 210, and shell 210 is connected to and covers 226.Push rod 212 is food grade materials and locate by the lid hole preferably, and the lid hole can comprise that seal 230 is heated liquids and gases and enters solenoid to help prevent.

Whole lid 226 or solenoid shell 210 can be removed so that sealing device and sealing surface 217 and 218 can be cleaned if necessary.

In alternate embodiments, need transfer liquid to heating chamber, prepare next Heating Cyclic.

In further embodiment, need to shift q.s liquid the smallest allocation amount to be provided and/or to guarantee to have in the container 1 appropriate amount of fluid overheated in operation subsequently to prevent heater.

Provide enough liquid so that overheated can the realization by for example providing around lip or the projection (not shown) of outlet 216 the inners to be provided; But this will be poor efficiency, because be not that all liquid that is heated is assigned with.

Prevent that another overheated method from can be the water that directly enters to heater (for example directly over the heater 39) guiding or in the situation of the heating element heater of immersion (not shown), feed pipe can be positioned so that liquid is directed flowing with the sheath at heating element heater.

In the situation of the utensil that comprises pump of describing in front, pump can be energized in the predetermined time section after being heated liquid and being assigned with, thereby and load or fill out in advance container 1, for Heating Cyclic subsequently.

The liquid supply by gravity transfer in the situation of heating clamber, for example described in WO-A-2008/139173, then can adopt float valve, or replacement device (such as liquid level sensor (for example as described herein)) can be involved, enters the liquid supply of container 1 with control.

Supply liquid is overheated to prevent

Fig. 2 illustrates embodiment, and two gravity feeding water supply lines 301 and 302 are wherein arranged, and both is connected to the reservoir 187 that is positioned on the container body 1.First supplies with import 301 by valve 300 controls, for example, float valve, liquid level in the heating chamber is lower than predetermined minimum level 225a float valve 300 if valve 300 can and be configured towards location, the bottom of container body 1 will open, and when reach predetermined fluid level 225a when (for example being enough to prevent that container is overheated in operation subsequently) float valve 300 closing liquid is flowed.

The second feed pipe 302 is by machinery or electromechanical valve 303 controls, valve 303 can be can automatically operate with liquid that predetermined volume is provided in the container body 1 maybe can be user-operable to provide liquid that the user operates volume in container body 1.

By two feeding mechanisms are provided, can separate two kinds of functions, like this, for example, enough liquid is always arranged as preventing overheated protector in container 1, and user or device still can be controlled heated liquid measure independently.

Float valve 300 can be configured so that realize only having very slowly liquid stream, and any liquid that increases when opening with convenient sealing device 218 will can not reduce in fact the temperature of dispensable liquid.Alternatively or additionally, heater 39 can be positioned at the below of the outlet of supplying with import 301, is located so that namely any liquid that heater 39 increases after having cut off the power supply is by any heat insulation of storing in the zone of heater 39.In this embodiment, heater 39 is shown as the heater under the base plate.

In embodiment as shown in the figure, two supply entrances 301 and 302 are separately connected to reservoir 187; But hi an alternative embodiment, 1 can have single connection from reservoir 187 to container body, has the first outlet to valve 303 after this connection, and the first outlet can be positioned in the container 1 or in the part of container 1; With the second outlet, the second outlet comprises feed pipe 301.

In further alternate embodiments, the function of float valve 300 and sealing device 218, position and relation can in conjunction with, so that for example supply pipe 301 and 302 any or both are prevented from opening, sealing device 218 is opened for the liquid that distributes from the chamber simultaneously.

Alternatively or additionally, the actuating of valve 303 can make the heater energising and cut off stream by feed pipe 301 and/or 302, until till heating cycle or circulation are finished and liquid has been assigned with.

Many action actuations device

Fig. 3 a to 3d shows the rough schematic of further embodiment, and wherein when distributing valve 307 was opened, the valve 303 between reservoir 187 and the container 1 was closed.

This embodiment comprises user-operable bar 305, bar 305 around point 306 pivot and with thermostat 244, the first valve 303 and the second valve 307 mutual connection mouths.Bar 305 can comprise some forms " lost motion " or damping mechanism, for example any in pivoting point 306 and valve 303 and 307 or the spring load hinge (not shown) between two so that the second valve 307 open before the first valve 303 close.Alternatively or additionally, opening of the first valve 303 can for example postpone by damping mechanism.

The first valve 303 is float valves, and when liquid level 225c reached predetermined fluid level, float valve 303 was used for cutting out the hole 304 between reservoir 187 and the container 1.Float valve 303 can comprise the extension, and this extension enters reservoir 187 so that whole valve is more stable, and more impossiblely is interfered in boiling process.Reservoir 187 or container 1 can be float valve 303 and provide support.

The second valve 307 is distributing valves, and the distributing valve manually actuable is opened, and can comprise returning or biasing mechanism of some forms, and for example spring 308, distributes valve to the acquiescence closed position to return after activating.As describing before, the second valve 307 is by bar 305 operations of user's operation.Shown in schematic diagram, spring 308 is presented in the liquid, yet expectation spring 308 or other mechanisms can be positioned at the outside of liquid equally.

Thermostat 244 can be any machinery or dynamo-electric temp sensing controller, for example applicant's Z5 series steam sentive switch.Thermostat 244 is actuatable so that heater 39 energisings.

Container 1 and reservoir 187 can also comprise other features (not shown), such as the headroom on the liquid level, are used for the facility of expansion and the connection of some forms between container 1 and the thermostat 244 when liquid is heated.

Fig. 3 a is presented at that heated water has been assigned with and the user has discharged manual actuator 305 with the position of back part.Spring-actuated valve 307 promotes against user actuator 305, and user actuator 305 rests in the center around point 306 pivots and actuator.When reaching the center, valve 303 is allowed to open and liquid enters container 1 by hole 304.

Valve 303 autoshutdowns and device is filled and now prepared to use when liquid has reached predetermined fluid level 225c.

Shown in Fig. 3 c, in order to make heater 39 energising, user's actuator 305 that moves up activates thermostat 244 so that heater 39 energisings, and spring-actuated valve 307 remains in the closed position simultaneously.Actuator 305 can remain on this position by thermostat 244, until liquid has reached design temperature and then release, but the user can make thermostat 244 remove actuating by actuator 305 being turned back to the center.In the embodiment that substitutes, actuator 305 can automatically turn back to the center after thermostat 244 has activated, and utensil can be provided with replacement device (not shown) so that thermostat 244 is removed actuating.In the present embodiment, in order to reuse immediately, thermostat 244 can activated when liquid just enters container 1, and container 1 can comprise one or more before described features, this feature is to container 1 pre-filled or filling liquid.

For from container 1 dispense liquid, for example liquid has reached preset temperature and thermostat has been removed after heater 39 energisings, the user can push away actuator downwards so that the part of actuator 305 is pushed against on the valve 303 shown in Fig. 3 d, guarantee not have further liquid can enter container 1, and the liquid flow through aperture 309 of pressure valve 307 permission heating under the second portion.As previously mentioned, " lost motion " or the damping mechanism of some forms, for example the spring load hinge can be arranged in one or more parts of actuator 305, can adjust thereby actuator 305 is applied to timing and the size of the pressure on valve 303 and 307, to satisfy the requirement of utensil.

As previously mentioned, in case actuator 305 is released, valve 307 promotes actuator 305 and recenters, and container 1 automatic filling liquid is for using subsequently.For usefulness more immediately, thermostat 244 can activated when liquid just enters container 1, and container 1 can comprise the features of describing before one or more, and this feature helps to prevent the overheated of heater.

Alternate embodiments

Above-mentioned embodiment is illustrative but not to restriction of the present utility model.The obvious alternate embodiments of description above having read still falls in the scope of the present utility model.

Claims (21)

1. liquid heating apparatus, comprise fluid chamber, be used for heating the liquid described chamber in heater, be used for feed fluid to the fluid Supplying apparatus in described chamber, be used for from the distributor of described chamber dispense liquid with for activating the actuator that described distributor stops described fluid Supplying apparatus simultaneously.

2. equipment according to claim 1, wherein said fluid Supplying apparatus comprises the hole, fills described fluid chamber to predetermined fluid level by described hole.

3. equipment according to claim 2 comprises float valve, is used for stoping when the liquid level of described fluid chamber reaches described predetermined fluid level described fluid Supplying apparatus.

4. equipment according to claim 3, wherein said float valve comprises extension, described extension enters into described fluid Supplying apparatus, makes described float valve stable.

5. equipment according to claim 1 and 2, wherein said distributor is normally closed type.

6. equipment according to claim 1 and 2, wherein said actuator is user's actuator.

7. equipment according to claim 1 and 2, wherein said actuator can move, and makes described heater energising when described distributor does not activated.

8. equipment according to claim 7 wherein also comprises the thermostat of the temperature of controlling described actuator.

9. equipment according to claim 7, wherein said actuator is movably between primary importance and the second place, is energized at the described heater of described primary importance, is not energized and described distributor activated at the described heater of the described second place.

10. equipment according to claim 9, wherein said actuator is movable to the 3rd position, and described heater is not energized in described the 3rd position, and described distributor is prevented from, and described fluid Supplying apparatus is not prevented from.

11. equipment according to claim 1 and 2, wherein said actuator comprises mechanism, and described mechanism stoped described fluid Supplying apparatus before described distributor activated.

12. equipment according to claim 1 and 2, wherein said actuator comprises parts, and described parts activate described fluid Supplying apparatus after stoping described distributor.

13. equipment according to claim 12, wherein said fluid Supplying apparatus is further prevented from by damping.

14. equipment according to claim 1 and 2, wherein said actuator comprises pivotable member.

15. equipment according to claim 1 and 2 comprises for the enough liquid that keeps described chamber to prevent overheated device when described heater is energized.

16. a liquid heating apparatus comprises fluid chamber, is used for heating the heater under the base plate of liquid in described chamber and is used for keeping the enough liquid in described chamber to prevent device overheated when heater is energized.

17. equipment according to claim 16, wherein said device be used to keeping enough liquid comprises fluid Supplying apparatus, when described fluid Supplying apparatus is configured to liquid level in described chamber less than predetermined minimum level with liquid carrying for to described chamber.

The float valve of opening when 18. equipment according to claim 17, wherein said fluid Supplying apparatus comprise the liquid level that is configured in described chamber less than predetermined minimum level.

19. according to claim 17 or 18 described equipment, the heater under the wherein said base plate is positioned or is limited to the part, and described fluid Supplying apparatus is configured to provide liquid in the zone of the heater under described base plate.

20. comprise be used to being independent of the device of described unit feeding liquid be used to keeping the enough liquid in the described chamber to described chamber according to claim 16 or 17 described equipment.

21. according to claim 16 or 17 described equipment, comprise that when stoping feed fluid to described chamber liquid is by from described chamber assigned unit.

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