CN102667358B - Device for heating water and providing a hot water supply, and method for operating such a device - Google Patents

Abstract

Device (1) for heating water and providing a hot water supply, with a water tank (2) and a heating means (6) assigned to the water tank (2) for heating a water supply present in the water tank, wherein the water tank (2) has a water supply (12) and a water outflow (10), wherein further the water outflow (10) is both a hot water outflow and a cold water outflow, characterised in that the pipe (11) for the water supply (12) discharges in the pipe (9) for the water outflow (10) and that by shutting off the water outflow (10) downstream of the discharge opening, the water tank (2) can be filled.

Description

For heating water and the device and the method for operating thereof that provide hot water supply

Technical field

First the present invention relates to heating water and the device providing warm water to supply, this device has water tank and heater, described heater is for heating the confession feedwater be present in water tank, and wherein water tank has water supply and water outlet, and wherein water outlet is hot water outlet and cold both water outlets.

Background technology

Know the device that little is discussed type.These devices are used in kitchen or bathroom especially and provide hot water, are also connected with drainage point especially, such as, and kitchen basin or bathtub.This device comprises water tank, and water tank provides the cold water from the main water supply in house, thus provides hot water.Directly or indirectly act on the result of the water supply in water tank to predetermined temperature as heater, heat the cold water be stored in water tank.In addition, the form of this so-called pond lower water-heater is also known.These devices mainly provide hot water supply, and wherein water tank is always expired, and as the result of temperature detection, heater keeps the water in water tank to be in predetermined temperature.Such device is inappropriate for energy efficiency especially, because want the water in regular Repeat-heating water tank on the cycle of several hours, and this is unnecessary.Therefore, other apparatus design only heats when needs hot water for making water tank.Act on the cold water of the heater on it according to the needs heating coupling amount of predetermined temperature.The water tank of this sampling device is plugged on standard cold water supplying pipe, thus water tank self more or less represents a part for pipe.If only need cold water in system, it flows into water tank by supplying water, and comes out to drainage point by water outlet.

Summary of the invention

About above-described prior art, the technical problem to be solved in the present invention considers the device improving following discussion type with better energy efficiency further.

And solved by the subject content of claim 1 in fact first, it depends on such fact to this problem, and namely water-suplying tube is opened in water outlet pipe, and water tank fills by cutting out the current in floss hole downstream.On the direction of the floss hole of this pipe, water flow is flowed into by water outlet pipe in waterway tube group.According to this setting, produce the device of the improvement had in energy efficiency.Due to the fact that water-suplying tube is opened in water outlet pipe, when only extracting cold water out, cold water does not flow through water tank, does not at least directly flow through water tank.On the contrary, it directly flows out in the mode of bypass the water supply being connected to household water pipe and enters to be directly connected to and reclaim the water outlet in place.The stop valve that the floss hole downstream entering water outlet by supplying water provides, water tank can be filled after the correspondence of described stop valve excites.Heating and the providing of hot water supply of water correspondingly only occur when needed, occur when having object to actuate stop valve preferably by user.In preferred arrangement, this causes obtaining cold water by the back pressure entering water outlet that supplies water, and this back pressure produces the filling of water tank.Preferably, after the correspondence heating of the water kept in water tank, along with the unlatching of stop valve, this permission is flowed out via hot water outlet, and hot water outlet is also used as cold water outlet, and wherein said water tank is drained.According to this structure, water tank is ad hoc used in the requirement of heating certain water gaging, and this water yield is preferably prior to be selected by user.This is for stoping inner surface and the bottom section of any microbial contamination, particularly water tank.

Further feature of the present invention makes an explanation below and in the description of the drawings, and is usually preferably associated with the theme of claim 1 or the feature of other claim.But importantly, they also can only be associated to each feature of claim 1 respectively or they also can be associated with each feature of corresponding other claim, or they are independently.

Therefore, the further preferred arrangement of theme of the present invention provided, and water-suplying tube protrudes into water outlet pipe, and its mode is supplying water and leaving the opening section forming flow export between water outlet pipe.In further preferred arrangement, the axis that water-suplying tube is projected in water outlet pipe extends, and this axially extends 0.5 to 3 times that preferably corresponds to water-suplying tube external diameter, is more preferably 1 to 1.5 times of water-suplying tube external diameter.This preferably ensure that when only discharging cold water in a straightforward manner by inflow water outlet of supplying water further, and leads to emission point (this water tank of bypass) thus.In the preferable configuration adopting tubular pipe, the opening section for supplying water and formed between the pipe of water outlet is round-shaped.In the case, this opening section is selected further according to its area, is subject to the flow export impact so limited to make the filling of water tank, and in addition, and mode is that water tank is filled into predetermined height on the rational time after suitably the exciting of stop valve.Thus, as the result of back pressure, opening section be chosen as the aquaporin that makes to enter water tank about the discharge of time per unit correspond to discharge separately cold water time time per unit discharge 0.3 to 1 times of factor, be more preferably the factor of 0.5 to 0.7 times.As a result, this arrangement is conducive to Fast Filling water tank.Therefore, in this context, also provide opening to enter the water-suplying tube external diameter in water outlet pipe corresponding to 0.5 to 0.9 times of water outlet ips, be more preferably 0.7 to 0.8 times.To this, further preferably water-suplying tube is concentrically opened in water outlet pipe, thus forms the opening section of annular shape between pipe.The flow export of water tank is used as inlet ports in the filling process of described water tank.Thus the opening on water tank side has dual-use function.

In further preferred arrangement, more preferably relative to the profile scope of water tank in center, water-suplying tube passes through water tank.Thus when water tank fills up and in heating process subsequently, water-suplying tube is by medium to be heated around, result, and heat exchange occurs between the water yield of receiving in water column in water-suplying tube and water tank.Thus, the water column in water-suplying tube in heating process preferably also at least water tank water level level on become desired temperature.In the case, particularly in the region penetrating water tank, water-suplying tube is preferably formed by good Heat Conduction Material (such as, wall thickness is copper or the plastics of the relative thin-walled of 1mm to 2mm).

In preferably constructing further, stop valve is equipped to water-suplying tube.Whereby, supplying water by closing cold water for the water supply of filling water tank, obtaining after the shutoff device that suitable closedown flow direction upper water box flow export provides below.This stop valve also allows the supply that adjustment is corresponding when only going out cold water.

The additional shutoff device in tank outlet downstream is preferably same further to be formed with the form of stop valve.Preferably in the combination of the stop valve with Cold water supply, it is for filling water tank and it is emptying.

The invention still further relates to and operate heating water and the method that the device of hot water supply is provided, wherein this device has water tank, water supply and water outlet, wherein water-suplying tube is released to water outlet pipe further, and in water outlet pipe in stop valve arranges before discharge in the flowing direction water-suplying tube and in the flowing direction after exhaust openings.

Below improving further, the method for type being discussed, proposing the result as closing water outlet pipe, the filling of water tank is by the back pressure realization of water supply of current opening current downflow entering water outlet pipe.Thus, being preferably provided as, such as, in order to fill water tank, by suitably exciting stop valve, closing the water outlet being also used as cold water outlet.Here preferably provide two stop valves, one for adjusting Cold water supply, one for filling and emptying water tank, the valve in further preferred arrangement links together, particularly relative to filling and emptying water tank.In addition, these can be the valve of electromagnetism excitation, and wherein preferably, what produce the stop valve of back pressure excites exciting of the stop valve being coupled to adjustment Cold water supply.Further preferably, when reaching maximum predetermined water level in water tank, the automatic cut-off that cold water supplies water realizes by closing corresponding stopper.For this reason, such as, suitable sensor is arranged in water tank further, in addition, in better simply structure, adopts the sensor of float form.This Sensor Design is for producing signal, and in preferable configuration, it controls the stop valve in Cold water supply pipe.And the stop valve in water outlet pipe is preferably maintained in its closed position.After the extraction that enable possition completes hot water or cold water, preferably remove hot water completely, thus emptying water tank subsequently.Particularly when extracting cold water out, when it occurs in and does not have Cistern flushing, realize cut-off preferably by the valve arranged in closedown water-suplying tube.Thus, in preferable configuration, after the hot water or cold water removal of correspondence, be in drying regime at Cold water supply valve down-stream system.Therefore, in water tank, in the part of the water-suplying tube in water outlet pipe or after corresponding stop valve, there is no the residual water yield.As selection, cut-off of supplying water is subject to the impact of closedown two valves, and under wherein said valve is preferably in and is coupled control.

Further feature of the present invention makes an explanation below and in the description of the drawings, and is usually preferably associated with the theme of claim 6 or the feature of other claim.But importantly, they also can only be associated to each feature of claim 6 respectively or they also can be associated with each feature of corresponding other claim, or they are independently.

Therefore, according to the method, also provided in preferred structure, be arranged on water-suplying tube in water tank enter the floss hole upstream of water outlet pipe flowing outlet size be formed as when only supplying water by it, when namely preferably cold water is by it, obtain swabbing effect relative to water tank.Therefore, so-called water pump effect is provided by the cold water of feed pipe inflow outlet pipe.Feed pipe in this arrangement protrudes in water outlet, and its mode is supplying water and leaving the preferred annular opening cross section forming flowing outlet between water outlet pipe.As the result of vacuum effect, by this preferred annular opening cross section, the moisture of discharging the bottom section of residue moisture, particularly water tank for feedwater of flowing.

The number tape respectively illustrated also comprises all medians, unless separately had expression in example, namely, particularly from lower limit and/or the upper limit until other each limit limits with 1/10 step.In context " and " refer to that two limits move one or more 1/10th towards this limit, namely they are reduced.

Accompanying drawing explanation

, describe the present invention in detail with reference to the accompanying drawings below, accompanying drawing only illustrates an one exemplary embodiment.They are:

Fig. 1 be cold water to flow through on position the partial section of types of devices is discussed;

Fig. 2 is the magnification region II in Fig. 1;

Fig. 3 is the sectional view taken along the III-III line in Fig. 2;

Fig. 4 is the schematic diagram corresponding to Fig. 1, but about the centre position in filling tank process;

Fig. 5 is the subsequent figure of Fig. 3, about the filling position of water tank;

Fig. 6 is the device shown in Fig. 1, but about storing in water tank and the outflow of the water of heating;

Fig. 7 is the flow chart that device method of operating is shown.

Reference numeral:

1 device

2 water tanks

At the bottom of 3 casees

4 tank walls

5 case lids

6 heaters

7 measuring transducers

8 flow exports

9 pipes

10 water outlets

11 pipes

12 supply water

13 stop valves

14 stop valves

15 actuator unit

16 level sensors

17 ventilating openings

A external diameter

B internal diameter

C submergence distance

X vertical axes

α angle

G initial position

K cold water selector

S selects

W hot water selector

KW cold water

WW hot water

Detailed description of the invention

What first introduce with reference to figure 1 and describe is for heating water and the device 1 providing hot water supply.

First device 1 has water tank 2.Its to have at the bottom of case 3 and perpendicular to case baseplane extend around tank wall 4.The latter's supporting box cover 5, case lid 5 is with 3 spaced apart vertically at the bottom of case, and case lid 5 extends in the plane that right angle arranges at the height with tank wall 4 and extends.

Water tank 2 preferably has concentricity structure, and wherein the vertical axes x of water tank 2 is parallel to the vertical extension alignment of tank wall 4.As selection, water tank 2 has polygonal outer shape, such as, and square.

3 centers extending to place with certain angle at the bottom of case, preferably at the bottom of case 3 with respect to the horizontal plane in about 5 °.Heater 6 is arranged on the downside of at the bottom of case 3.In preferable configuration, it takes the form of resistance heater.In addition, heater 6 preferably has conductive strips, and it is applied on the dielectric of formation separation layer.These conductive strips adopt ceramic paste to apply on the dielectric preferably by silk screen print method, wherein more preferably with vertical axes x for benchmark provides the concentricity setting of conductive strips.3 parts being more preferably heater 6 at the bottom of case, for this reason, it is constructed by corrosion resistant plate, above on the downside of it applies the dielectric with conductive strips.

In order to provide temperature to regulate, measuring transducer 7 is also preferably provided as the form of NTC element, and its resistance is such as 10,000 Ω.At the bottom of case, the center of 3 provides flowing outlet 8.Flowing outlet 8 is formed by the free inner section of the pipe 9 of water outlet 10.This water outlet pipe 9 to be connected at the bottom of case 3 with seal form, thus leaves flowing outlet 8, and wherein the free end of pipe 9 flushes with the surface of water tank inside faced by 3 at the bottom of case.

Water outlet pipe 9 leads to position, drainage point, not shown.

In addition, 12 pipe 11 is provided for supplying water.This pipe 11 is formed as the pipe with circular cross-section, and preferred pipe 9 is also like this.Pipe 11 penetrates water tank 2 between two parties, and therefore tube axis is consistent with the vertical axes x of water tank 2.Therefore, pipe 11 penetrates case lid 5, and its straight down faced by free end immerse water outlet 10 pipe 9 in.The external diameter a of the pipe 11 of water supply 12 corresponds to about 0.8 times of the free internal diameter of the pipe 9 of water outlet 10 in an illustrated embodiment.When pipe 9 is concentric floss hole with pipe 11, circular open cross section is correspondingly formed in the region of flowing outlet 8.

The pipe 11 of water supply 12 is immersed in the pipe 9 of water outlet 10 with quantity c, and wherein quantity c corresponds to about 1.3 times of the external diameter a of pipe 11 in an illustrated embodiment.

In addition, stop valve 13 is provided in the pipe 11 of the water supply 12 before flowing outlet 8 in the flowing direction.Another stop valve 14 of identical type is arranged on the downstream in the pipe 9 of water outlet 10.Two valve constitutions in illustrated embodiment are stop valve, but, as selection, also can be slidingtype valve and/or the adjustable gate for adjusting flow.

Both stop valves 13 and 14 are further preferably electronically controlled, particularly electromagnetic actuation, provide corresponding actuator unit 15 for this reason.It acts on stop valve, preferably acts on two stop valves further, and wherein corresponding control can realize automatically according to given parameter, or is intervened by user as selection.

By reference to the flow chart shown in Fig. 7, the step of operating means 1 is described below:

Device 1 is plugged between the water supply of building cold water and position, drainage point, and the pipe 11 of water supply 12 is directly connected to building cold water and supplies water.Device 1 is also designed to from position, drainage point supply water, and namely normally from the cold water KW of building Cold water supply, or the warm water WW of heating in water tank 2 can take from position, drainage point.

On initial position (representing with G according in the flow chart of Fig. 7), both stop valve 13 and stop valve 14 end.From initial position G, select to extract cold water or hot water (representing with S in Fig. 7) out by drainage point, as shown in the figure.Thus, select different flow process K(cold water) and/or W(hot water).

In order to extract cold water KW out, correspond to the current flowing to device 1 via drainage point, for supply water 12 pipe 11 and open according to Fig. 1 for two stop valves 13 and 14 of the pipe 9 of water outlet 10.Owing to acting on the coupling of the actuation gear on valve, and further preferably, via spur units 15, the unlatching of stop valve 13 and 14 is preferably carried out simultaneously, and such as the latter has and corresponding excites button " cold water " for this reason.As selection, stop valve 13 and 14 also can be configured such that they are near mutual arrangement, and in their another structure, such as, is that the form of valve to slidably avoids by manual actuation.

In order to stop the discharge of cold water, two stop valves 13 and 14 are correspondingly closed again.Thereafter, system turns back to initial position G.

In order to extract hot water WW from device, the water of scheduled volume in first required heater 1.For this reason, first water tank 2 is filled with the cold water KW flow into here.For this reason, first the stop valve 13 on water supply side is opened from the initial position G of its valve closing, and this is preferably controlled by spur units 15, or is intervened and manual operation by user as selection.Via the stop valve 13 opened, water-cold water KW – from supply flows in the pipe 9 of water outlet 10 by the pipe 11 of water supply 12, stopped as the result water of water outlet side being closed stop valve 14, when the circular flow outlet 8 on the bottom by water tank 2 supplies water flow further, water enters water tank.Water tank 2 is filled continuously, until be filled into the water level desired by user, is further preferably filled into maximum height, and this is monitored by level sensor 16.If the water level in water tank 2 reaches maximum, then from the closedown of the stop valve 13 the signal excitation water supply side that level sensor 16 suitably produces.

Outside is escaped into by the ventilating opening 17 in cover plate in the filling process by the air of the water movement flowed in water tank 2.

After the closedown of water supply side stop valve 13, then by store in heater 6 heating water tank 2 that base plate is arranged for feedwater.By measuring transducer 7 monitor temperature.If reach predetermined water temperature, or reach as selecting the water temperature that user selects in advance, then produce suitable signal from measuring transducer 7 and cause heater 6 to be closed, therefore warm water WW prepares to flow out.

The outflow of water is there is after the stop valve 14 opening water outlet side.The stop valve 13 of water supply side is maintained in its closed position.

The signal reaching selected water temperature that the unlatching of stop valve 14 can produce according to measuring transducer 7 produces automatically in the mode of oneself excitation.In preferred structure, the unlatching of water outlet side stop valve 14 occurs because of the intervention of user, if valve configurations is such as slidingtype valve, then this realizes by manual operation, but, more preferably automatically occur as pressing the result of button etc. in the region of spur units 15.

Because at the bottom of case, 3 are formed towards the slope of flowing outlet 8, after stop valve 14 is opened, the whole capacity of water tank 2 is discharged, and does not preferably remain, and therefore, in order to the initial position G of obtaining means 1, stop valve 14 is finally closed again.

Any residual moisture in water tank 2, particularly to rest at the bottom of case moisture residual on 3, as the result of swabbing effect, they are removed as a part for the follow-up discharge of cold water.The pipe 11 flowing through water supply 12 enters the water supply of the pipe 9 of water outlet 10 in this context with the mode effect of water stream injection pump, is wherein at least acted on around the base plate of flowing outlet 8 by the negative pressure in the circular open cross section of flowing outlet 8.

All disclosed features are main points of the present invention's (self).The application also combines quoting, also for the object of feature in the application's claim jointly in conjunction with these files of whole relevant/disclosed prior art file (copies of earlier application) at this open.Dependent claims describes the independent invention scope of prior art in they selective equivalent is write, particularly in order to carry out the application of local according to these claims.

Claims (7)

1. a heating water and the device (1) of hot water supply is provided, this device has water tank (2) and heater (6), this heater (6) is equipped to this water tank (2) for heating the water supply in this water tank, wherein this water tank (2) has water supply (12) and water outlet (10), wherein this water outlet (10) is hot water outlet and cold both water outlets

It is characterized in that,

Pipe (11) for this water supply (12) is emitted in the pipe (9) for this water outlet (10), and fills this water tank (2) by the water outlet (10) of closing floss hole downstream.

2. device according to claim 1,

It is characterized in that,

This pipe (11) for this water supply (12) protrudes in this pipe (9) of this water outlet (10), and mode is leaving for supplying water between the pipe (11) of (12) and the pipe (9) for water outlet (10) opening section that formation flowing exports (8).

3. according to aforementioned device according to claim 2,

It is characterized in that,

This pipe (11) for this water supply (12) terminates in this pipe (9) for this water outlet (10) concentrically.

4. according to aforementioned device according to claim 1,

It is characterized in that

This pipe (11) for this water supply (12) penetrates this water tank (2).

5. according to aforementioned device according to claim 1,

It is characterized in that

Stop valve (13) is equipped to this pipe (11) for this water supply (12).

6. one kind provides the method for operating of the device of hot water supply for heating water, this device (1) is for heating water and provide hot water supply, wherein this device has water tank (2), water supply (12) and water outlet (10), pipe (11) wherein for this water supply (12) is emitted in the pipe (9) for this water outlet (10), and stop valve (13) is arranged in this pipe (11) for this water supply (12), before being positioned at the floss hole on flow direction, and stop valve (14) is arranged in this pipe (9) for this water outlet (10), after being positioned at this floss hole on this flow direction,

It is characterized in that

As the result of closing this pipe (9) being used for this water outlet (10), carry out the filling to this water tank (2) by the back pressure of the water supply flowed in this pipe (9) of this water outlet under flowing outlet (8).

7. method according to claim 6,

It is characterized in that

This flowing outlet (8) is arranged on the downstream of the floss hole of this pipe (11) for this water supply (12) and is arranged in this pipe (9) for this water outlet (10), the size of this flowing outlet (8) makes, when supplying water by it, to obtain swabbing effect relative to this water tank (2).