阅读说明：本技术 用于控制家用器具的操作的方法和家用器具 (For controlling the method and household appliance of the operation of household appliance ) 是由 V·特恩奎斯特 于 2017-04-28 设计创作，主要内容包括：提供了一种用于控制家用器具(1)的操作的方法(100)。该方法(100)包括：向第一空间(3)供应液体(101),确定(103)在向该第一空间(3)供应(101)该液体期间由第一温度传感器(11)测得的温度的第一表现(TB1),通过启动泵(7)以便将该液体从该第一空间(3)运送到第二空间(5)来向该第二空间(5)供应(105)该液体,确定(107)在向该第二空间(5)供应(105)该液体期间由第二温度传感器(13)测得的温度的第二表现(TB2),以及基于相对于该第一表现(TB1)评估的该第二表现(TB2),判定(109)是否已经向该第二空间(5)供应了足量的该液体。进一步地,提供了一种家用器具(3)。(It provides a kind of for controlling the method (100) of the operation of household appliance (1).This method (100) includes: to supply liquid (101) to the first space (3), determine the first performance (TB1) of the temperature that (103) are measured during supplying (101) liquid to first space (3) by the first temperature sensor (11), by starting pump (7) so as to by the liquid from first space (3) be transported to second space (5) come to the second space (5) supply (105) liquid, determine the second performance (TB2) of the temperature that (107) are measured during supplying (105) liquid to the second space (5) by second temperature sensor (13), and based on second performance (TB2) relative to the first performance (TB1) assessment, determine whether (109) have supplied the enough liquid to the second space (5) Body.Further, a kind of household appliance (3) is provided.)

1. the method (100) of operation of the one kind for controlling household appliance (1), which includes: the first space (3), the Two spaces (5) are arranged to for liquid to be transported to the pump (7) of the second space (5) from first space (3), be arranged For the heating element (9) for heating the liquid in the second space (5), first be disposed in first space (3) Temperature sensor (11) and the second temperature sensor (13) being disposed at the heating element (9), this method comprises:

(101) liquid is supplied in the first space-Xiang Suoshu (3),

Determine that (103) are surveyed during supplying (101) liquid to first space (3) by first temperature sensor (11) First performance (TB1) of the temperature obtained,

By start the pump (7) so as to by the liquid from first space (3) be transported to the second space (5) come (105) liquid is supplied to the second space (5),

Determine (107) during supplying (105) liquid to the second space (5) by the second temperature sensor (13) Second performance (TB2) of the temperature measured, and

Based on second performance (TB2) relative to the first performance (TB1) assessment, determine (109) whether to institute It states second space (5) and has supplied the enough liquid.

2. according to the method for claim 1 (100), comprising:

By assessing first performance (TB1), determine (111) during supplying (101) liquid to first space () Maximum temperature change (Δ TMax),

By assessing second performance (TB2), determine that (113) are supplying (105) the liquid phase to the second space (5) Between temperature change (Δ T),

Wherein, whether the judgement (109) has supplied the enough liquid to the second space (3) and has been based on the temperature Change (Δ T) compared with the maximum temperature changes (Δ TMax).

3. according to the method for claim 2 (100), comprising:

If the temperature change (Δ T) is at least half of the maximum temperature variation (Δ TMax), (115) are shown Through having supplied the enough liquid to the second space (5).

4. according to the method for claim 2 (100), comprising:

If the temperature change (Δ T) is less than the half of maximum temperature variation (Δ TMax), show (117) not yet The enough liquid is supplied to the second space (5).

5. method according to any of the preceding claims (100), wherein for the safety behaviour of the household appliance (1) Make, needs described enough liquid.

6. method according to any of the preceding claims (100), wherein the second temperature sensor (13) is by cloth It sets at the surface of the heating element (9).

7. a kind of household appliance (1), which includes: the first space (3), second space (5), be arranged to by liquid from First space (3) is transported to the pump (7) of the second space (5), is arranged to heat being somebody's turn to do in the second space (5) The heating element (9) of liquid, the first temperature sensor (11) being disposed in first space (3) and is disposed in described Second temperature sensor (13) and control unit (15) at heating element (9), the household appliance (1) are configured as:

The first space-Xiang Suoshu (3) for should liquid,

Determine to first space (3) for the temperature that should be measured by first temperature sensor (11) during liquid First performance (TB1),

By start the pump (7) so as to by the liquid from first space (3) be transported to the second space (5) come To the second space (5) for should liquid,

Determine to the second space (5) for the temperature that should be measured by the second temperature sensor (13) during liquid Second performance (TB2), and

Based on second performance (TB2) relative to the first performance (TB1) assessment, determine whether to described the The enough liquid has been supplied in two spaces (5).

8. household appliance (1) according to claim 7, is configured to:

By assessing first performance (TB1), determine to first space (3) for should maximum temperature during liquid Degree variation (Δ TMax), and

By assessing second performance (TB2), determine to the second space (5) for should the temperature during liquid become Change (Δ T),

Wherein, described to determine whether to have supplied the enough liquid based on the temperature change to the second space () (Δ T) is compared with the maximum temperature changes (Δ TMax).

9. household appliance (1) according to claim 8, is configured to: if the temperature change (Δ T) is institute At least half for stating maximum temperature variation (Δ TMax), then show to have supplied the enough liquid to the second space (5) Body.

10. household appliance (1) according to claim 8, is configured to: if the temperature change (Δ T) is small In the half of maximum temperature variation (Δ TMax), then show not yet to supply the enough liquid to the second space (5).

11. household appliance (1) according to any one of claims 7 to 10, wherein for the peace of the household appliance (1) Full operation needs described enough liquid.

12. household appliance (1) according to any one of claims 7 to 11, wherein the second temperature sensor (13) It is disposed at the surface of the heating element (9).

Technical field

The embodiments herein is related to a kind of method for controlling the operation of household appliance, and is related to a kind of household device Tool.

Background technique

Water heating elements in household appliance (for example, dish-washing machine or washing machine) are suitable for being in for heating the water to Certain desired temperature used in utensil.It needs water for example for washing the dishes, and is also used to lubricate the sealing element in dish-washing machine, with Just it prevents from damaging sealing element due to excessive heat caused by dry operation.Operation can in the case where drying or water shortage Heating element damage can be will lead to.

According to some conventional methods for determining to whether there is water in dish-washing machine, flowmeter or pressure sensor are used. Such element increases the totle drilling cost of dish-washing machine, and water flow is needed to enable to operate these elements.

US 8480811 describe it is a kind of for by monitor dish-washing machine collecting tank in water temperature change come detect collection It whether there is the method for water in liquid bath.The temperature change of water in collecting tank and predetermined temperature variation are compared.At this After comparing, the water that whether there is enough water levels in collecting tank is determined.

However, known method is not very accurate for preventing the dry operation of household appliance as described above and can It leans on.

Summary of the invention

The purpose of the embodiments herein is to provide a kind of for controlling the improved method of the operation of household appliance.

According to one aspect, a kind of method for controlling the operation of household appliance is provided, which includes: first Space, second space, and be arranged to for liquid to be transported to the pump of the second space from first space.The household appliance into One step includes: the heating element for being arranged to heat the liquid in the second space, be disposed in first space One temperature sensor, and it is disposed in the second temperature sensor at the heating element.

Therefore, which can be used for detecting and monitoring the temperature change in first space.By this The temperature change that one temperature sensor measures may be caused by the liquid supplied to first space.

The heating element is arranged to heat the liquid in the second space.In other words, which is arranged to reality Now transmitted from the heating element to the thermal energy for the liquid supplied to the second space.Because the second temperature sensor is disposed in At the heating element, so the second temperature sensor can record, i.e. measurement during heating the liquid in the second space The temperature change of the heating element.Caused by the second temperature sensor can also record the liquid from supplying to the second space Temperature change at the heating element.This is because the heating element is arranged such that in the heating element and the second space Liquid between thermal energy transmitting be possibly realized.The heating element can be arranged to directly contact to second space supply Liquid.

In this approach, liquid is supplied to first space, and determined during supplying liquid to first space By the first performance of the temperature that first temperature sensor measures.

First performance can also be known as the first characteristic of temperature measured by the first temperature sensor, describe to this How temperature changes during first space supply liquid.

First performance, measured temperature value are obtained by the temperature value that first temperature sensor records by measurement It can be shown as figure or chart, such as curve graph.

Then by starting pump so as to by liquid from first space be transported to the second space come to the second space supply Answer liquid.Further, it is determined that the temperature measured during supplying liquid to the second space by the second temperature sensor Second performance.

Second performance can also be known as the second characteristic of temperature measured by second temperature sensor, describe to this How temperature changes during second space supply liquid.

Second performance, measured temperature value are obtained by the temperature value that the second temperature sensor records by measurement It can be shown as figure or chart, such as curve graph.

Second performance relative to first performance appraisal is then based on to determine whether to supply to the second space Enough liquid is answered.In other words, by this second performance with this first show be compared, with determine whether to this second Enough liquid has been supplied in space.

The difference that different amounts of liquid will lead to the temperature measured by the second temperature sensor is supplied to the second space Performance.If not yet supplying liquid to the second space, which will simply show no temperature change because this Two temperature sensors will record temperature substantially the same in the second space.Therefore, depend on this first performance, to this second Enough liquid is supplied in space will lead to the second certain performance.

Therefore, by by this second performance with this first show be compared, can determine in a simple and reliable way be It is no that enough liquid has been supplied to the second space.

Therefore, in this way, can be made whether to have supplied enough liquid to the second space.Therefore, may be used To prevent the dry operation in the case where not yet supplying enough liquid, that is, the heating element is opened to heat in the second space Liquid.It is possible to further diagnose the function of pump, it can determine whether pump normally works.

Hereby it is achieved that the improved method of the operation for controlling household appliance.

As a result, it is possible to realize above-mentioned purpose.

According to example embodiment, this method may further include: determined by assessing first performance to this Maximum temperature during liquid is supplied in one space changes；And it is supplied to determine to the second space by assessing second performance Answer the temperature change during liquid.In this embodiment, determine whether to have supplied enough liquid to the second space It can be based on the temperature change compared with maximum temperature variation.Thus, it is possible in a simple manner by this second performance with First performance is compared.

When using latter embodiment, another example embodiment be can be, and this method further comprises: if the temperature becomes Change is at least half of maximum temperature variation, then shows to have supplied enough liquid to the second space.

As alternate embodiment, this method be may further include: if the temperature change changes less than the maximum temperature Half, then show not yet to supply enough liquid to the second space.

According to another example embodiment, for the safety operation of the household appliance, it may be necessary to enough liquid.Change speech It, liquid it is enough be during the operation of the household appliance for prevent the heating element that damages in the household appliance or other Amount needed for component.

According to another example embodiment, which can be disposed at the surface of the heating element.By This helps the second temperature sensor installing (installation), i.e., installation (mounting) is at the heating element. Further, it by the second temperature sensor being disposed at the surface of the heating element, improves to the heating element Or the measurement of the temperature change at the heating element.

Another purpose of embodiment herein is to provide a kind of operation for being configured as executing for controlling household appliance Improved method improved household utensil.This method has been described.

A kind of household appliance is provided according to another aspect, which includes: the first space, second space, by cloth It is set to the pump that liquid is transported to the second space from first space, is arranged to heat adding for the liquid in the second space Thermal element, the first temperature sensor being disposed in first space, and it is disposed in the second temperature at the heating element Spend sensor.

The household appliance further includes being configured as controlling the operation of the household appliance to complete one or more above-mentioned realities Apply the control unit of example.

The household appliance is configured as: being supplied liquid to first space, and is determined and supplying liquid to first space First performance of the temperature measured during body by first temperature sensor.The household appliance is configured to: by opening Dynamic pump to be transported to the second space to supply liquid to the second space from first space liquid, and determine to Second performance of the temperature measured during second space supply liquid by the second temperature sensor.The household appliance is also matched It is set to: enough to determine whether to have supplied to the second space based on second performance relative to first performance appraisal Liquid.

By the way that second performance and first performance are compared, it is possible to determine that whether supplied to the second space Enough liquid.

Accordingly it is possible to prevent the dry operation in the case where not yet supplying enough liquid, that is, open the heating element with Heat the liquid in the second space.It is possible to further diagnose the function of pump, it can determine whether pump normally works.

Hereby it is achieved that improved household utensil.

As a result, it is possible to realize above-mentioned purpose.

The household appliance can be configured to: be supplied to determine to first space by assessing first performance It answers the maximum temperature during liquid to change, and is supplying the liquid phase to the second space to determine by assessing second performance Between temperature change.In this embodiment, determining whether to have supplied enough liquid to the second space can be based on The temperature change is compared with the maximum temperature changes.

The household appliance can be configured to: if the temperature change is at least the one of maximum temperature variation Half, then show to have supplied enough liquid to the second space.Alternatively, which can be further configured If are as follows: the temperature change is less than the half of maximum temperature variation, shows not yet to supply enough liquid to the second space Body.

As mentioned above, for the safety operation of the household appliance, it may be necessary to enough liquid.Moreover, this Two temperature sensors can be disposed at the surface of the heating element.

Learning appended claims and when following specific embodiments, the further feature of embodiment herein and excellent Point will be apparent.It would be recognized by those skilled in the art that can be in the feelings for not departing from range as defined in the appended claims Described different characteristic is combined to obtain the embodiment except the embodiments described below under condition.

Detailed description of the invention

It will readily appreciate that above-mentioned different aspect, including its specific features and advantage, In from described further below and attached drawing In attached drawing:

Fig. 1 is to illustrate the flow chart of the method for the operation for controlling household appliance,

Fig. 2 a is illustrate the temperature measured during supplying liquid to the first space by the first temperature sensor first The figure of performance,

Fig. 2 b is illustrate the temperature measured during supplying liquid to second space by second temperature sensor second The figure of performance, and

Fig. 3 is the plan view of household appliance.

Specific embodiment

Embodiment herein is described in more detail now with reference to attached drawing, multiple examples are shown in the attached drawings Embodiment.The disclosure feature of these example embodiments can be combined.Throughout, identical appended drawing reference refers to identical Element.For the sake of brevity and/or clarity, well-known function or construction need not be described in detail.

Fig. 1 illustrates the example of the movement in the program for implementation method 100, and this method can be performed in order to control The operation of household appliance (for example, dish-washing machine), the household appliance include: the first space, second space, be arranged to by liquid from First space is transported to the pump of second space, is arranged to the heating element of the liquid in heating second space, is disposed in the The first temperature sensor in one space, and it is disposed in the second temperature sensor at heating element.Method 100 can example As the control unit by being connected to or being arranged on household appliance executes.Such control unit is shown in Fig. 3, and It will combine the description of Fig. 3 that its function is described in detail.In conjunction with Fig. 3, also by the other details for describing household appliance and its be used for this The function of method.

Method 100 include: to the first space supply 101 liquid, determine 103 to the first space supply 101 liquid during By the first performance of the temperature that the first temperature sensor 11 measures.First performance is described in detail in conjunction with Fig. 2 a.Further, Method 100 include: by starting pump so as to by liquid from the first space be transported to second space come to second space supply 105 liquid Body, and determine the second performance of the temperature that 107 are measured during supplying 105 liquid to second space by second temperature sensor. Second performance is described in detail in conjunction with Fig. 2 b.Method 100 further includes based on the second performance relative to the first performance TB1 assessment To determine whether 109 supplied enough liquid to second space.

Liquid may, for example, be water or the water including detergent.

First space for example can be the collecting tank (shown in Fig. 3) in dish-washing machine, supply to the first space Before liquid, which may for example be filled by air.Therefore, before supplying liquid to the first space, the first temperature Sensor measurement air themperature.In this case, the air themperature measured by the first temperature sensor, which will correspond to, places house With the environment temperature in the room of utensil.During supplying liquid to the first space, the first temperature sensor will be recorded due to first Air in space and temperature change caused by temperature difference between the temperature for the liquid supplied to the first space.

In the case where dish-washing machine, liquid can be supplied by being connected to grid and being connected to the pipeline of dish-washing machine. Temperature in first space and in second space can also change according to environment temperature.

Therefore, when supplying liquid to the first space, if the temperature of the air in the first space is higher than the temperature of the liquid Degree, then the first temperature sensor can for example record temperature decline, and in other words, the first performance will show temperature decline.Fig. 2 a In illustrate this example.

After supplying liquid to the first space, first is up to by the temperature that the first temperature sensor measures and is averaged Temperature, first mean temperature are the mean temperatures being worth between fluid temperature and environment temperature.

Before supplying liquid to second space (being referred to as heating space) from the first space, which can also Full of the air under environment temperature.

Therefore, when supplying liquid to second space, if the temperature of the air in second space is higher than from the first space First mean temperature of the liquid of supply, then second temperature sensor also can recorde temperature decline.In other words, it second finds expression in It is that will also show temperature reduction.This example is illustrated in Fig. 2 b.

Therefore, by the way that the second performance and the first performance to be compared, it is possible to determine that whether supplied to second space Enough liquid.It is possible to further diagnose the function of pump, it can determine whether pump normally works.Hereby it is achieved that For controlling the improved method of the operation of household appliance.

According to some embodiments, method 100 may include: to be determined by the first performance of assessment 111 to the first space The maximum temperature variation during 101 liquid is supplied, determines that 113 are supplying 105 liquid to second space by the second performance of assessment Temperature change during body, wherein determine whether 109 supplied enough liquid based on temperature change to second space 3 Change compared with maximum temperature variation.

As an alternative, if it is at least the one of maximum temperature variation that method 100, which may include: the temperature change, Half, then show that 115 have supplied enough liquid to second space.And further, if method 100 may include: The temperature change is less than the half of maximum temperature variation, then shows that 117 not yet supply enough liquid to second space.

Fig. 2 a is illustrate the temperature T measured during supplying liquid to the first space by the first temperature sensor first Show the figure of TB1.

The environment temperature Tamb drop that the first temperature sensor of a according to fig. 2, temperature T from by the first space initially measures It is low.Initially mean before starting to supply liquid to the first space.Start to supply liquid to the first space in first time point t1. Start to reduce in first time point t1, temperature T, because the temperature of liquid is lower than environment temperature Tamb.It is complete in the second time point t2 Program is supplied to the liquid in the first space.Reach the first minimum value Tmin1 in the second time point t2, temperature T.Therefore, may be used Maximum temperature change Delta T Max to be calculated as to the difference between environment temperature Tamb and the first minimum value Tmin1.

After having supplied liquid to the first space, that is, having been completed to the liquid in the first space supply program Later, temperature T is increased and is stablized in the first mean temperature Tav1.

It can also be determined by the first performance TB1 of analysis in first time point p1 and second according to the first performance TB1 The first time period calculated between time point t2.

Fig. 2 b, which is illustrated, to be measured during supplying liquid to second space from the first space by second temperature sensor The figure of the second performance TB2 of temperature T.As described above, the temperature for the liquid supplied to the first space is up to the first mean temperature Tav1.First mean temperature Tav1 can be higher than the fluid temperature for the liquid supplied to the first space.It is supplied as a result, to second space The temperature for the liquid answered can be higher than the temperature for the liquid supplied to the first space.Therefore, the liquid phase is being supplied to second space Between it can be observed that than during supplying liquid to the first space slower temperature reduce.

The environment temperature Tamb drop that the second temperature sensor of b according to fig. 2, temperature T from by second space initially measures It is low.It is similar with the case where supplying liquid to the first space as described above, initially mean starting to supply liquid to second space Before.

Start to supply liquid to second space in third time point t3.Start to reduce in third time point t3, temperature T, because For the temperature of liquid, i.e. the first mean temperature Tav1 is lower than environment temperature Tamb.It completes in the 4th time point t4 to the second sky Between liquid supply program.Reach the second minimum value Tmin2 in the 4th time point t4, temperature T.It therefore, can be by temperature change Δ T is calculated as the difference between environment temperature Tamb and the second minimum value Tmin2.As an alternative, it can choose in addition to second Another temperature value except minimum value Tmin2 calculates change in temperature Δ T.

After having supplied liquid to second space, that is, having been completed to the liquid of second space supply program Later, temperature T is increased and is stablized in the second mean temperature Tav2.

Can also according to the second performance TB2, i.e., determined according to the analysis to the second performance TB2 in third time point p3 and The second time period calculated between 4th time point t4.

Therefore, by relative to first performance TB1 the second performance of assessment TB2, it is possible to determine that whether to second space 5 Enough liquid is supplied.

The example shown in Fig. 2 a and Fig. 2 b is carried out to the case where having supplied enough liquid to second space Visualization.Because change in temperature Δ T is at least half of maximum temperature change Delta T Max, it is possible to obtain this conclusion.

As an alternative, above-mentioned first time period and second time period can be used for determining whether to second space Enough liquid is supplied.

Other characteristics (for example, derivative of the first performance TB1 and the second performance TB2) can be used determine whether to Second space has supplied enough liquid.

Fig. 3 illustrates the example of household appliance, which can be dish-washing machine 1, which includes the first space 3, it second space 5 and is arranged to for liquid to be transported to the pump 7 of second space 5 from the first space 3.First space 3 can also be with The referred to as collecting tank of dish-washing machine 1 or the first cavity, and be arranged to receive the liquid supplied by entrance 2 to dish-washing machine Body.Entrance 2 may be coupled to the grid (not shown) for water supply.Second space 5 is arranged to close to the first space 3, I.e. second space 5 is arranged to is separated by a certain distance with the first space 3, and the distance is as short as possible.This is to limit to work as and pass through Possible loss when liquid is transported to second space 5 from the first space 3 of pump 7, and in order to reduce cost.According to institute in Fig. 3 Second space 5 can be arranged in the lower section in the first space 3 when being intended to be used to wash the dishes by dish-washing machine 1 by the embodiment shown.

Pump 7 is arranged to liquid being transported to second space 5 from the first space 3.As the example in Fig. 3 is shown, pump 7 It can be any suitable pump for pumping liquid, which can be disposed in second space 5 and using including filter The channel 4 of (not shown) is connected to the first space 3.

Dish-washing machine includes the heating element 9 for the liquid being arranged in heating second space 5.Heating element 9 is disposed in In second space 5, make it possible to second space 5 supply liquid and heating element 9 between thermal energy transmitting and enough For for example heating the liquid used in the heating element.When normal use, liquid is heated approximately at 50 DEG C extremely by heating element 9 70℃.Heating element 9 can be arranged to directly contact the liquid supplied to second space.Second space 5 can be referred to as and add Heat space or the second cavity.

During the operation of dish-washing machine, water is heated the heating of element 9, and is then pumped to the cleaning arm of dish-washing machine 1 Device 6.Heating element 9 is connected to power grid by control unit 15.The heating of heating element 9 is electrical, and with common side Formula is realized, therefore is not necessarily to detailed description.

Control unit 15 is connected to the first temperature sensor 11, and is connected to second temperature sensor 13.Control unit 15 are arranged to receive the information data about by the first temperature sensor 13 and the temperature measured by second temperature sensor 15. Further, control unit 15 is arranged to handle the Information Number from the first temperature sensor 13 and second temperature sensor 15 According to.

As show in Figure 3, the first temperature sensor 11 is disposed in the first space 3.First temperature sensor 11 Any suitable position in the first space 3 can be disposed in.According to the embodiment in Fig. 3,11 quilt of the first temperature sensor It is arranged at supporting member 8 and is separated by a certain distance with the inner wall 10 for limiting the first space 3.As an alternative, the first temperature Degree sensor 11 can be disposed on inner wall 10.

Second temperature sensor 13 is disposed at heating element 9.Second temperature sensor 13 can be disposed in away from adding At a certain distance from thermal element 9, which can sufficiently measure the temperature of heating element 9.As show in Figure 3, second temperature Sensor 13 can be placed directly on the surface of heating element 9.If heating element 9 is arranged to for example through the first table Face 12 contacts the liquid supplied to second space 5, then second temperature sensor 13 is disposed in the second surface 14 of heating element 9 On, second surface 14 does not contact the liquid supplied to second space 5.By the way that second temperature sensor 13 is arranged in such as second On surface 14, the efficient and correct measurement to the temperature of heating element 9 may be implemented.