JP3801150B2 - Energy-saving warming method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention is an energy-saving warming methodTo the lawFor example, it is used for an electric pot for home use.
[0002]
[Prior art]
Electric pots are widely used in homes, workplaces, restaurants, etc., but they are particularly dependent on homes, and they are turned on except for the replacement of the liquid contents. In many cases, the heat insulation is continued except during the start-up on the way or during the initial boiling due to replenishment of the contents. However, although the capacity is large, the power consumption is comparable to a large refrigerator, which is a problem in terms of energy saving.
[0003]
Therefore, it has become possible to save power and save energy by reducing the heat retention temperature, including stopping energization, by setting the time of the timer during non-use hours when going to bed or going out. In addition, users who are concerned about power consumption often respond by meticulously by turning the power off frequently or setting an energy-saving warming mode. However, this is troublesome because it requires frequent user operations.
[0004]
In order to solve this problem, power information at the time of power supply to the main unit side, which is different from power supply to the control system, is detected and stored in the memory, and the usage record is analyzed from the stored power information. As a result, it is known that the energization breaker is turned off during a time period when energization is not necessary (see, for example, Patent Document 1). In addition, the device described in Patent Document 1 is lower than the set temperature of 98 ° C. or 90 ° C., whereas the actual use is performed during the automatic energy saving and keeping in the set energy saving time zone. However, by setting the temperature to about 60 ° C., there is no problem even if there is an unexpected actual use during energy-saving and warming. For example, the range of applications in which the discharged content liquid can be used as it is, and even if the discharged content liquid is used after being reheated or heated in another container, it can be handled without much time. In addition, it is possible for the user to respond to the re-boiling operation without taking much time to discharge and use the content liquid after once boiling water or raising the temperature to about the normal temperature.
[0005]
[Patent Document 1]
JP 2001-231682 A
[0006]
[Problems to be solved by the invention]
However, like the one described in Patent Document 1, the energy saving heat retention in the energy saving time zone set corresponding to the non-use time zone is lower than the normal heat retention temperature of 60 ° C., but at a relatively high temperature, A sufficient energy saving effect cannot be obtained.
[0007]
This can be dealt with by setting the thermos warming temperature or energy saving warming temperature to a low level while the heater is stopped. In this case, when shifting to energy-saving warming, the content liquid temperature gradually decreases to the low-energy-saving warming temperature or room temperature, so that after a certain period of time, it becomes too low to use. Come.
[0008]
On the other hand, even during energy conservation and warming, actual use seems to be indispensable because of changes in living conditions, conditions, and habits. In such a case, the user can cope with the discharge after performing the re-boiling operation to boil the content liquid, or after raising the temperature by, for example, shifting to the normal heat retention. However, considering that energy-saving warming is performed in the energy-saving mode by automatic setting or manual setting by another person and there are cases where a user who does not know this may perform the discharge operation as it is and use it as it is, In actual use, it is prohibited under specific conditions, or it can be discharged. It seems to be preferable to avoid the problem.
[0009]
As a result of further experiments and examinations by the inventor, it has been found that excessively handling such a corresponding operation for actual use during energy saving results in overconfusion and confusion for the user. It turned out to be disadvantageous.
[0010]
  The object of the present invention is based on the above points, and is an energy-saving warming method that can respond to actual use while saving energy without causing confusion to the user or disadvantageous energy saving.The lawIt is to provide.
[0011]
[Means for Solving the Problems]
  In order to achieve the above-mentioned object, the energy-saving and warming method of the present invention dispenses the content liquid in an electric hot water storage container.Heat with a heater applied to the containerEven if the normal temperature is kept or the energy is kept at a temperature lower than the normal temperature, the use state is continued and the actual operation is performed by the discharge operation.Temperature range that can withstand actual use in the process of decreasing over time from the start of energy-saving heat insulationSo that it can be discharged as it isHowever, if the temperature is lower than the above temperature range, the discharge can be performed with the temperature raising operation by the heater, and the temperature raising operation by the discharge operation is not performed with the normal temperature keeping.This is one feature.
[0012]
  In such a configuration, energy-saving warming is generally performed automatically or by user selection in response to non-use hours,By heating control with one heater applied to the containerSince it is kept at a temperature lower than the normal heat retention temperature in the normal heat retention corresponding to the use time zone, energy is saved by the amount of the low heat retention temperature. In particular, if there is a discharge operation while energy-saving warming continues, the liquid contentTemperature range that can withstand actual use in the process of decreasing over time from the start of energy-saving heat insulationTherefore, the user can perform the discharge as it is, and the user does not perform any special operation. Temperature that can withstand useAreaAlthough it is a liquid of the contents, it can eliminate the inconvenience and inconvenience of uniformly prohibiting actual use during energy saving and warming,If it is less than the temperature range, the temperature is guaranteed with a temperature raising operation by the one heater so that it can be discharged.At the time of the discharge, it is possible to avoid confusion to the user with notification corresponding to the discharge during energy saving, or to reduce the energy saving effect with an unnecessary temperature raising operation,There is no particular problem with normal heat insulation, and no temperature raising operation is performed by discharge operation.
[0013]
  The energy-saving and heat-retaining method of the present invention also keeps the state of use while maintaining the normal temperature or the energy-saving temperature lower than the normal temperature by heating the content liquid in the electric hot water storage container with a heater applied to the container. Even if it is used for actual operation by the discharge operation, if there is a discharge operation while the energy-saving warming is continued, the content liquid will be discharged as long as it can withstand actual use in the process of decreasing over time from the start of energy-saving warming If the temperature is lower than the above temperature range, the heater can be discharged with a heating operation at a high heating capacity in a water heating mode, and a predetermined recovery temperature by the heating operation continues for a predetermined time during energy saving. Regardless of this, another feature is to guarantee the temperature.
  like thisIn the configurationIn general, energy-saving warming is automatically set according to the non-use time zone or selected by the user, and the heating control by one heater applied to the container is higher than the normal warming temperature in the normal heat keeping corresponding to the use time zone. Since it is kept at a low temperature, energy is saved by the low temperature. In particular, if there is a discharge operation while energy-saving warming continues, the content liquid can be discharged as it is in a temperature range that can withstand actual use in the process of declining over time from the start of energy-saving warming. Without operation, therefore, without knowing that energy-saving and warming is in progress, energy-saving and warming is possible even though the content liquid is in a temperature range that can withstand actual use in the process where the liquid temperature decreases over time from the start of energy-saving warming. It is possible to eliminate the inconvenience and inconvenience of uniformly prohibiting the actual use of the inside, and if the temperature is less than the above temperature range, the temperature is increased with a heating capacity with a high heating capacity in the water heating mode by the one heater, so that a faster temperature guarantee is possible. In the discharge, the user is confused with the notification corresponding to the discharge during the energy saving, or the energy saving effect is reduced with the unnecessary temperature raising operation. It can be avoided so that thing. In particular, actual use during energy-saving and warming is due to changes in user life circumstances and conditions, lifestyle habits, etc., and there is a high probability that it will be repeated for a certain period of time. By continuing the predetermined recovery temperature by the operation, it is possible to guarantee the temperature of the content liquid regardless of the energy saving heat retention. In addition, this makes it possible to reduce the inconvenience given to the user even when the energy-saving temperature is kept at a sufficiently low temperature including the stop of heating by the heater, and to achieve a high energy-saving effect.
[0014]
  The energy-saving and heat-retaining method of the present invention also keeps the state of use while maintaining the normal temperature or the energy-saving temperature lower than the normal temperature by heating the content liquid in the electric hot water storage container with a heater applied to the container. Even if it is used for actual operation by the discharge operation, if there is a discharge operation while the energy-saving warming is continued, the content liquid will be discharged as long as it can withstand actual use in the process of decreasing over time from the start of energy-saving warming If the temperature is lower than the above temperature range, the heater can be discharged with a heating operation at a high heating capacity in a water heating mode, and a predetermined recovery temperature by the heating operation continues for a predetermined time during energy saving. Regardless of this, another feature is to return to the energy-saving and warming when there is no discharge operation continuously for a predetermined time or more within the energy-saving and warming-time period while guaranteeing the temperature.
  like thisIn the configurationIn general, energy-saving warming is automatically set according to the non-use time zone or selected by the user, and the heating control by one heater applied to the container is higher than the normal warming temperature in the normal heat keeping corresponding to the use time zone. Since it is kept at a low temperature, energy is saved by the low temperature. In particular, if there is a discharge operation while energy-saving warming continues, the content liquid can be discharged as it is in a temperature range that can withstand actual use in the process of declining over time from the start of energy-saving warming. Without operation, therefore, without knowing that energy-saving and warming is in progress, energy-saving and warming is possible even though the content liquid is in a temperature range that can withstand actual use in the process where the liquid temperature decreases over time from the start of energy-saving warming. The inconvenience and inconvenience of uniformly prohibiting actual use inside can be eliminated, and if it is less than the above temperature range, a faster temperature is guaranteed with a heating operation with a high heating capacity of the water heating mode by the one heater. It is possible to discharge, and during the discharge, the user is confused with a notification corresponding to the discharge during energy saving, or the energy saving effect is reduced with an unnecessary temperature raising operation. It is possible to avoid the things like. In particular, actual use during energy-saving and warming is due to changes in user life circumstances and conditions, lifestyle habits, etc., and there is a high probability that it will be repeated for a certain period of time. By continuing the predetermined recovery temperature by the operation, it is possible to guarantee the temperature of the content liquid regardless of the energy saving heat retention. In addition, the energy-saving warming temperature is low in inconvenience given to the user even if it is performed at a sufficiently low temperature including the heating stop by the heater, and the energy-saving effect can be high, and the discharge operation continues for a predetermined time or more. By returning to energy-saving warming when it is no longer performed, it is possible to repeatedly respond to the discharge operation after returning to energy-saving warming while preventing excess or deficiency in energy saving. Don't be.
[0015]
  The energy-saving and warming method of the present invention also hasTo heat the contents in an electric hot water storage container with a heater applied to the container and maintain the use condition while maintaining the normal temperature or energy saving at a temperature lower than the normal temperature, to be used for actual use by the discharge operation When the discharge lock is released while energy-saving heat is maintained, it can be regarded as a discharge operation, so that the liquid can be discharged as it is in a temperature range that can withstand actual use in the process of decreasing over time from the start of energy-saving heat. If the temperature is lower than the above temperature range, the heater can be discharged with a heating operation at a high heating capacity in a water heating mode, and a predetermined recovery temperature by the heating operation continues for a predetermined time regardless of whether energy is being saved or not. One more thing to guaranteeIt is a feature.
[0016]
  In such a configuration,In general, energy-saving warming is automatically set according to the non-use time zone or selected by the user, and the heating control by one heater applied to the container is higher than the normal warming temperature in the normal heat keeping corresponding to the use time zone. Since it is kept at a low temperature, energy is saved by the low temperature. In particular, if there is a discharge lock release operation while energy-saving warming continues, it can be regarded as a discharge operation, so that the liquid can be discharged as it is in a temperature range that can withstand actual use in the process of declining over time from the start of energy-saving warming Therefore, even if the user does not perform any special operation and therefore does not recognize that the energy-saving warming is in progress, the liquid temperature of the content liquid can be reduced from the start of energy-saving warming as long as the discharge lock is released with the aim of discharging. While it is a content liquid in a temperature range that can withstand actual use in the process of decreasing over time, it is possible to eliminate inconveniences and inconveniences that uniformly prohibit actual use during energy saving and heat retention, and if it is less than the above temperature range, Temperature rise operation with a high heating capacity in one water heater mode with one heater can be discharged with a faster temperature guarantee starting from the time when the dispensing lock is released prior to the actual discharge time. In this way, it is possible to avoid the user from being confused with the notification corresponding to the discharge during energy saving, or reducing the energy saving effect with an unnecessary temperature raising operation. it can. In particular, actual use during energy-saving and warming is due to changes in user life circumstances and conditions, lifestyle habits, etc., and there is a high probability that it will be repeated for a certain period of time. By continuing the predetermined recovery temperature by the operation, it is possible to guarantee the temperature of the content liquid regardless of the energy saving heat retention. In addition, this makes it possible to reduce the inconvenience given to the user even when the energy-saving temperature is kept at a sufficiently low temperature including the stop of heating by the heater, and to achieve a high energy-saving effect.
[0023]
Further objects and features of the present invention will become apparent from the following detailed description. Each feature of the present invention can be employed alone or in combination in various combinations as much as possible.
[0024]
【Example】
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings, in order to understand the present invention. The following description is a specific example of the present invention and does not limit the scope of the claims.
[0025]
This embodiment is an example of a household electric pot, and an insulated container is used as the inner container. The heat insulating container of the example shown in FIG. 1 has a container 1 in which a stainless steel vacuum double container 3 is housed in an outer case 2 as an inner container, heats the content liquid by a heater 11 and stores hot water, and electrically drives the content liquid. The pump 26 and the manual pump 10 such as a manual bellows pump are used to discharge water to the outside through a pipeline type discharge system 25 to supply hot water for use. However, the present invention is not limited to this, and it is sufficient if the content liquid is heated by the heater 11 to be heated and stored while being kept warm or energy-saving, and used for use. The present invention is effective including tilting the container body 1 without using a manual pump, and it is also effective as a target even without performing boiling water. However, stainless steel has low thermal conductivity among metals, has sufficient bending rigidity and strength, and has a rust-preventing effect. It is suitable for an electric hot water storage container and suitable for providing the vacuum double container 3. Moreover, the vacuum double container 3 does not necessarily need to be accommodated in the exterior case 2 and can be shared by the exterior body. Further, the control board 33 equipped with the microcomputer 33a is used to perform the operation control according to the operation mode set in the power source / drive system board 27 and the operation unit D or the initial setting. It can be set as the control means which employ | adopted various apparatuses including these. The operation part D is composed of an operation panel 32 provided on the upper surface of the protruding part 31 that protrudes, for example, in a bowl shape to the front of the upper end of the container 1, and various switches 48 on the control board 33 provided on the inside thereof. In addition, it is possible to perform the on-operation by individually pushing by means of an operation means by a resin spring integrally formed on the operation panel 32 or a key member provided separately, but this is not essential to the present invention. The specific configuration is not particularly questioned. The microcomputer 33a uses temperature information from the content liquid temperature detecting means 29 for detecting the temperature of the content liquid for boiling water, normal heat retention, and energy saving heat retention. The content liquid temperature detecting means 29 is an inner container sensor 29 applied individually at the center of the single bottom portion to which the heater 11 of the vacuum double container 3 as the inner container is applied.
[0026]
As shown in FIG. 3, the operation panel 32 has a liquid crystal display unit 81 for displaying a set heat retention temperature, a current temperature, a current operation mode, a danger notification, a prompt for a necessary operation, etc. Discharge key 82 for discharging hot water 71 to supply hot water, lock / release key 83 for locking or unlocking the discharge operation by the discharge key 82, energy saving key 84 for manually setting the energy saving mode, normal boiling, re-boiling during energy saving warming A re-boiling key 85 for performing the operation, a selection key 86 for selecting whether the temperature is kept at 98 degrees or 90 degrees, a time for setting the timer, a measuring cup key 87 for setting a discharge amount when a discharge operation is performed, and a set numerical value An up key 88 and a down key 89 are provided for up / down. As the lamp display, an unlock lamp 91, a hot water notification lamp 92, an energy saving lamp 93, and the like are provided using LEDs.
[0027]
The electric kettle as the electric hot water storage container of this embodiment is an energy-saving heat retaining method, and as shown in FIG. 10, the hot water content liquid 71 is used in the electric pot as the electric hot water storage container as described above.₁Normal heat insulation time zone R corresponding to₁, R₂Normal heat retention at non-use time zone X₁Energy saving time zone Z corresponding to₁Normal heat retention temperature T₀Energy saving warming temperature T lower than₁If the discharge operation is performed while the energy-saving warming is continued while the heater 11 is turned off and the energy-saving warming with the so-called thermos warming is continued and the actual usage by the discharge operation is continued, The liquid 71 has a predetermined temperature T₂Above or normal temperature T₀To predetermined temperature range T_XIf it is within, it can be discharged as it is. Here, the normal temperature T₀Is selected by the user, for example, 98 ° C. or 90 ° C., and the energy saving temperature T₁The temperature may be 60 ° C. in the conventional example described above or before or after that, except for the heat retention of the thermos, but may be lower than that, and may be 55 ° C., 50 ° C. or lower. Predetermined temperature T₂Is the normal temperature T₀On the other hand, if the temperature is lower by about 3 ° C., it can be said that the range is not noticed by the user. However, it may be set to a temperature lower by about 4 ° C. or 5 ° C. as long as the user can be patient. Furthermore, the predetermined temperature T is changed depending on the environmental temperature.₂You may make it give a height difference to.
[0028]
Energy-saving warming is generally not used as shown in FIG.₁In response to the automatic setting or user selection, use time zone Y₁, Y₂Normal heat insulation temperature T in normal heat insulation corresponding to₀Energy saving warming temperature T lower than₁Or since it is kept in the thermos heat insulation state, energy is saved by the low heat insulation temperature at the time of energy conservation heat preservation. In particular, if there is a discharge operation while the energy-saving heat retention is continued, the hot water storage content liquid 71 is kept at a predetermined temperature T.₂Above or normal temperature T₀Predetermined temperature range from_XSince the liquid can be discharged as long as it is within the range, the user does not perform any special operation. Therefore, the content liquid temperature is indicated by a broken line in FIG. However, it is possible to eliminate the inconvenience and inconvenience of uniformly prohibiting the actual use during the energy saving and warming while the hot water content liquid 71 has a temperature that can still withstand the actual use in the process of decreasing over time. At the same time, it is possible to avoid the user from being confused with the notification corresponding to the discharge during energy saving or reducing the energy saving effect with an unnecessary temperature raising operation.
[0029]
In addition, since the thermos heat insulation has a heat insulating structure such as the vacuum double container 3 as in this embodiment, it has a long-term heat insulation effect and is difficult to cool. Since the time during which the hot water storage liquid 71 can be discharged becomes longer, there is an advantage that it is less inconvenient for the user. When shifting from normal heat insulation to energy saving heat insulation, except for thermos heat insulation, usually the specified energy saving heat insulation temperature T₁The heater 11 is de-energized until the temperature drops to, and thereafter the energy-saving temperature T₁In order to maintain this, the heater 11 is turned on / off or heated at a predetermined capacity.
[0030]
In order to achieve the above-described energy-saving heat-retaining method, the electric pot of the present embodiment includes heat-retaining control means 74 that executes normal heat-retaining and energy-saving warming according to automatic setting or human selection as shown in FIG. . This heat retention control means 74 is configured such that the content liquid temperature is a predetermined temperature T when there is a discharge operation during the continuation of energy saving heat retention.₂Above or normal temperature T₀To predetermined temperature range T_XIf it is within, it will automatically respond so that it can be discharged as it is. Specifically, even if there is a discharge operation during normal energy saving heat retention, the content liquid temperature is set to a predetermined temperature T.₂Above or normal temperature T₀To predetermined temperature range T_XIf it is within, the discharge lock is released so that the electric pump 26 or the like discharges.
[0031]
In addition, when there is a discharge operation while the energy-saving warming is continued, the stored hot water content liquid 71 is kept at a predetermined temperature T.₂Less than or normal heat insulation temperature T₀Even if the temperature is less than the lower limit of the predetermined temperature range TX, it may be possible to discharge. In this case, the electric pump 26 is operated so that discharge can be performed with notification by the buzzer 121 shown in FIG. 2, the liquid crystal display unit 110 shown in FIG. 3, or a display lamp.
[0032]
Note that the discharge regulation and the discharge regulation release as described above are not limited to the electric pump 26 and can be realized as needed because the discharge operation can be locked or unlocked even with the manual pump 10 or the like. .
[0033]
As described above, when a discharge operation is performed during the continuation of energy saving and heat insulation, the stored hot water content liquid 71 is kept at a predetermined temperature T.₂Less than or normal heat insulation temperature T₀Predetermined temperature range from_XEven if it is less than the lower limit, by discharging it with a notification, the user knows that it is a low-temperature hot water storage liquid 71 that is energy-saving and warm, and then warms it as it is or in another container without being confused. It can be used effectively by fixing or boiling.
[0034]
Further, when the discharge operation is performed while the energy-saving heat retention is continued, if the stored hot water content liquid 71 is lower than a predetermined temperature, the heater 11 can be discharged with a temperature increase operation by energizing the heater 11 or increasing the energization capacity. As described above, when the discharge operation is performed while the energy-saving heat retention is continued, the stored hot water content liquid 71 is kept at the predetermined temperature T.₂Less than or a predetermined temperature range T_XIf it is less than the lower limit, it is discharged with a temperature raising operation, so that even if the temperature of the hot water storage liquid 71 is lowered to the extent that it cannot withstand actual use due to continued energy saving, it can be recovered and used. Can be provided.
[0035]
It should be noted that when the discharge operation during the energy-saving heat retention can be performed with the temperature raising operation, the discharge of the hot water storage liquid 71 can be performed when the discharge can be performed after the predetermined temperature rise. Recovery temperature T_ThreeThis is convenient for the user. Predetermined recovery temperature T_ThreeIs the predetermined temperature T that can withstand actual use.₂Although it should just be above, since it is forced temperature rising, normal heat retention temperature T₀The degree or boiling temperature can be set in any way. However, the recovery temperature T_ThreeThe higher the value, the longer the recovery time. Therefore, it is more convenient if the user can select the recovery temperature. Here recovery temperature T_ThreeIs the normal temperature T₀However, it may be more or less.
[0036]
In addition, actual use during energy saving and warming is due to changes in the living conditions and conditions of the user, lifestyle habits, etc., and there is a high probability that it will be repeated for a certain period of time. Correspondingly, a predetermined temperature rise state, that is, a recovery temperature T_ThreeIs continued for a predetermined time t as shown in FIG. Thereby, it is possible to guarantee the temperature of the hot water content liquid 71 for the actual use repeated as described above regardless of the energy-saving heat retention. Therefore, even if the energy-saving heat retention is performed at a sufficiently low temperature including the heating stop by the heater 11, the inconvenience given to the user is light and the energy-saving effect can be high.
[0037]
In addition, at the time of temperature rise at the time of transition to the temperature raising operation by the discharge operation in the middle of energy saving warming or at the time of temperature rise at the time of transition from energy saving warming to normal warming, as shown in FIG. It is convenient for the user because it can be started up early by heating at a high current carrying capacity.
[0038]
In addition, if the temperature rising state corresponding to the discharge operation during the energy saving heat is continued for a long time thereafter, the energy saving effect may be impaired due to the normal temperature maintaining or a state close thereto. Therefore, the heat retention control means 74 performs the recovery temperature T along with the discharge operation during the energy saving heat retention._ThreeAfter the temperature raising operation is continued for a predetermined time t, the temperature is returned to the level before the response by the temperature raising operation. Thus, by returning to the state before the response after the predetermined time t, the energy saving effect is not impaired by the response to the discharge operation during the energy saving heat retention. However, returning to the previous state means shifting to the heat insulation mode set at the time of return, and if the energy saving time zone Z remains as shown in FIG. If it is in R, it will be executed. This can be easily performed by interrupt control.
[0039]
However, if there is a discharge operation during energy-saving warming, there is a high possibility that it will be repeated for a while. However, if the above-mentioned correspondence is continued uniformly, the actual usage P will be different from time to time. On the other hand, excessive and insufficient energy saving effects are likely to occur. Therefore, instead of the above operation, a predetermined temperature T₂Energy-saving warming temperature T to energy-saving warming temperature T₁To return to the energy-saving warming at the recovery temperature T_ThreeAfter the temperature raising operation and maintenance of the energy saving time zone Z, when the actual use P is not continuously performed for a predetermined time t or more until the end of the energy saving time zone Z, the process returns to the previous state. Can be. As described above, when the discharge operation is not continuously performed for a predetermined time t or longer, by returning to before the response, it is possible to prevent the energy saving from being excessive or insufficient, and after returning to the previous response. Since it can respond repeatedly to discharge operation, it does not become a problem in particular. Moreover, since the end point of the energy saving time zone Z in which the discharge operation has been performed is limited, the recovery temperature T_ThreeIn other words, although it is an energy-saving high-temperature heat-retaining state, the normal heat-retaining time zone R is affected, and it is possible to avoid obstructing actual use. However, recovery temperature T_ThreeAs shown in the example of FIG.₀If it is almost equivalent, there is no real harm.
[0040]
Moreover, in the energy-saving and warming method in the electric pot of the present embodiment, the warming control means 74 subsequently stores the results of the corresponding operation as described above due to the discharge operation during the energy-saving warming continuation in the storage means 75. It is used for data that determines the energy saving time zone Z for performing energy saving heat insulation. This is because the discharge operation is performed automatically while the energy-saving heat retention is continued in the energy-saving time zone Z selected by the user. When a certain pattern is formed due to changes in conditions, habits, etc., it can be determined from the results of corresponding operations stored in the storage means 75 by the heat retention control means 74 or the like. Therefore, by using this determination result as data for determining the subsequent energy saving time zone Z by the energy saving setting means 73 or the like, it is possible to set the energy saving time zone Z with a low probability that the discharge operation is performed during the energy saving warming. This is the least inconvenient for the user, and the energy saving effect can be obtained without any shortage. In addition, the results of the discharge operation during energy-saving and warming are reflected in the data that determines the subsequent energy-saving time zone Z regardless of whether or not the discharge is performed and whether or not the temperature increase operation is performed. This is preferable. Note that the energy-saving and warming can be canceled by a canceling operation by the user, which is one method for shifting to the actual use state. In this case, it is preferable to return to the normal heat retention state or shift to normal heat retention after re-boiling.
[0041]
By the way, in order to automatically set the energy saving time zone Z from the actual use P by discharge, it is necessary to detect the actual use P and accumulate it in the storage means 75 and determine it by the energy saving setting means 73 or the like. is there. According to the operation panel 32 as described above, the discharge key 82 is always operated in order to discharge the hot water content liquid 71, and the operation of the lock / release key 83 also indicates the intention to perform the next discharge operation. Therefore, the ejection operation should be performed with a probability of almost 100%, and an electrical signal related to the ejection operation can be obtained in any case. Further, even if the discharge is performed by the manual pump 10, an electrical signal for the discharge operation can be obtained if this is detected by a switch or a sensor.
[0042]
  Further, the discharge system content liquid 71a in the discharge system 25 in the electric pot normally maintains the same amount of liquid as the stored hot water content liquid 71 after boiling or keeping warm, as shown in FIG. However, since the discharge system content liquid 71 a is not heated by the heater 11, the temperature is lower than that of the hot water storage content liquid 71. For this reason, each time the hot water storage liquid 71 is discharged to the discharge system 25, the temperature of the discharge system 25 and its surroundings rises. FIG. 5 shows an experimental example of the temperature change in each part of the discharge system 25 when the temperature is kept at 98 ° C., and FIG. 6 shows the experimental example of the temperature change in each part of the discharge system 25 when the temperature is kept at 90 degrees. Both FIG. 5 and FIG.Enclosure 1Is the back side of the control board 33,Enclosure 2Is the inside of the box 101 containing the control board 33 of the protrusion 31,Enclosure 3Is the surface of the discharge port 25c,Enclosing character 4Is the back side of the power supply / drive system board 27,Enclosing character 5Is the surface of the electric pump 26. With 98 degree heat insulation, the influence of discharge is large by the amount of the heat insulation temperature is high,Enclosure 1 to 5A clear temperature peak is obtained by discharging the hot water storage liquid 71 at any point in the area.Enclosing character 4A clear temperature peak is obtained except forEnclosing character 4In this case, the number and timing are indefinite, but a temperature peak that was not present during the heat insulation is obtained.
[0043]
Therefore, whether the discharge is performed by the electric pump 26 or the manual pump 10 based on the presence or absence of the actual use P in which the hot water storage liquid 71 is discharged by the discharge system sensor 72 or the like. Or the signal of actual use P is reliably acquired by one electric signal regarding discharge irrespective of whether the container 1 is inclined or not. The discharge system sensor 72 uses a thermistor or the like, and is, for example, a discharge system sensor 72 provided at a position as shown in FIG. 1 that can detect the temperature of the discharge system 25 or the vicinity thereof. Further, the ejection system sensor 72 is mounted on a control board 33 as an existing circuit board in the vicinity of the ejection system 25 as shown in FIG. As described above, since the discharge system sensor 72 is used without being attached to a special mounting member or wiring member by being mounted on the existing control board 33, it does not cause a cost increase.
[0044]
Further, the control board 33 protrudes to the front part of the shoulder 6 of the container 1 and is located inside the upper surface of the protruding part 31 in which the discharge port 25c of the discharge system 25 is built. As a result, the control board 33 is located immediately above the discharge port portion 25c of the discharge system 25 built in the protruding portion 31 of the container 1, and the discharge system sensor 72 mounted on the control board 33 is located near the discharge port portion 25c. Therefore, it is easy to detect the temperature in the vicinity of the discharge system 25.
[0045]
Moreover, since the discharge system sensor 72 is provided on the back surface of the control substrate 33 as shown in the figure, and is positioned above the discharge system 25, more specifically, above the discharge port portion 25 c, It is easy to receive heat from the system 25, and the temperature of the discharge system 25 can be detected more easily.
[0046]
Here, the surface facing the control board 33 is mounted with hardware parts such as the switches 48 and a display lamp (not shown), whereas the back surface of the control board 33 is a chip such as a chip-type microcomputer 33a. By mounting the components on the surface and using the discharge-type sensor 72 with a chip-type thermistor or the like, both component costs and mounting costs can be reduced.
[0047]
In the example shown in FIG. 4, the heat conducting member 102 is sandwiched between the operation unit box 101 that accommodates the control board 33 and the discharge port part 25 c. Thereby, the response performance of the discharge system sensor 72 with respect to the temperature rise by discharge of the hot water storage liquid 71 at the discharge port 25c of the discharge system 25 can be enhanced. For example, it is preferable to use a silicon sheet for heat conduction as the heat conducting member 102. If a slightly thicker material is sandwiched by using elasticity, the operation portion box 101 and the discharge port portion 25c are not required to be specially formed. With both sides.
[0048]
The electric pot of the present embodiment stores the actual use P results in the storage means 75 by the discharge operation as described above or the detection of the discharge, and the energy saving time Z thereafter is saved from the stored actual use P results. Setting is performed automatically by setting means 73. The automatic setting of the energy saving time zone Z by the energy saving setting means 73 is, for example, a plurality of time blocks B obtained by dividing a time length of 24 hours per day.₁In the time example corresponding to .about.Bm, four time blocks B in the formula example shown in FIG.₁~ B_FourBetween t corresponding to₁~ T₂, T₂~ T_Three, T_Three~ T_Four, T_Four~ T₁This is performed by determining the actual use P for which the discharge operation was performed every time. In the example shown in FIG. 7, the results for three days (a) to (c) are shown for each time block B.₁~ B_FourIt is determined as a cumulative result for each. The determination is made after the actual performance for one day, but the determination accuracy improves as the cumulative number increases. Next, each determined time block B₁~ B_Four, A time block B with a predetermined actual use record S, B in the example of FIG.₁, B₂, B_ThreeThe normal warming time zone R after that₁, R₂, R_ThreeAnd time block B with no actual record of actual use, B in the example of FIG._FourThe following energy saving time zone Z₁Normal heat insulation time zone R₁, R₂, R_ThreeAt the time of₁At the time of, energy-saving warming is performed.
[0049]
Each time block B obtained by dividing the time length of one day unit from the signal of actual use P obtained in this way and the time information at the time of obtaining it.₁~ B_FourIt is specified in which time corresponding to the actual use that belonged. As a result, each time block B₁~ B_FourBetween t corresponding to₁~ T₂, T₂~ T_Three, T_Three~ T_Four, T_Four~ T₁It is possible to easily and inexpensively determine the actual usage results for each of them. In this case, as described above, even if the data of actual use P for several days is accumulated and determined by the non-volatile memory, the amount of handled data is small, so the capacity may be small, and the determination procedure is simplified, which increases the cost. It does not cause.
[0050]
Therefore, each time block B₁~ B_FourEach time block with a certain actual usage record S in B₁~ B_ThreeTime t₁~ T₂, T₂~ T_Three, T_Three~ T_FourAbout normal warming time zone R after₁~ R_ThreeTime block B with no actual record of actual use_FourBetween t_Four~ T₁For energy saving time zone Z₁And each time block B₁~ B_FourIt is easy to achieve energy-saving warming that matches the characteristics of daily life and actual usage, and does not cause dissatisfaction or inconvenience to the user. In addition, it is possible to avoid energy dissatisfaction and inconvenience for users by saving energy during short periods of time during which actual use is repeated at short intervals such as when eating and drinking. Even if there is, it is possible to avoid the occurrence of waste due to performing normal heat insulation based on the actual use P in a time zone that is hardly repeated.
[0051]
Here, the predetermined actual use result S is effective if it is determined by whether or not the reference number N of the actual use P is greater than or equal to a predetermined value, and N = 2 in the schematic example of FIG. Time block B₁Then N = 4, B₂Then N = 4, B_ThreeSince N = 10 and N ≧ 2 in all cases, the normal heat retention time zone R₁~ R_ThreeAnd set time block B_FourSince N = 1 and N <2, energy saving time zone Z₁Is set.
[0052]
In such a schematic example, the actual use P is determined so that the user's actual use progress or pattern can be derived, and the N-time setting allows the bedtime in the normal life pattern predicted from the time recognition. In the time block B, the rare discharge operation is treated as irregular, and it is difficult to set in the normal heat retention time zone R, it is easy to set in the energy saving time zone Z, and the time that becomes the real life time zone excluding the sleeping time zone In block B, it is easy to set the normal warming time zone R by using the fact that the discharge operation is easy to repeat, making it difficult to set the energy saving time zone Z, and responding appropriately to the user's daily life pattern It is possible to save energy without dissatisfaction or inconvenience to the user.
[0053]
In particular, the actual use frequency reference value N at meal time can be set lower than the frequency reference value N in other time blocks such as midnight. For example, time block B including meal time₁~ B_ThreeN-value at 2, time block B not including mealtime_FourIf the N value of 3 is 3, time block B including mealtime₁~ B_ThreeHowever, since the number of actual use is as small as 2 times, it is usually set in the energy saving time zone Z. By N ≧ 2, it includes meals even if the number of actual use is small It is actually used in the time zone, and it is assumed that the actual usage pattern and lifestyle pattern related to meals are not different from the general one. Setting to Z can avoid dissatisfaction and inconvenience to the user. In addition, block B when you missed the meal_FourHowever, because N ≦ 3, the energy saving time zone that is likely to be set even if it is actually used more than once has the advantage that it takes less time to eat even if it is used 3 times. Assuming that the usage pattern and life pattern are not different, set the energy saving time zone Z with high priority on the energy saving and warming side, and set the normal heat holding time zone R unnecessarily to reduce the energy saving effect. Can be prevented.
[0054]
The S can be varied in units of the maximum block so that the priority of energy saving or normal heat retention can be obtained in accordance with the difference in the actual usage for each block B. Further, in order to accumulate data for several days, it is conceivable that the power is turned off due to replacement or washing of the content liquid on the way. In order to cope with this, it is preferable to employ a non-volatile memory having a backup power source 76 as the storage means 75. In particular, in addition to a cycle of several days, a user's actual usage history, usage pattern, life pattern from long-term memory data through a one-week cycle, several-week cycle, one-month cycle, several-month cycle, and four-season cycle Can be determined and dealt with easily and accurately. In order to cope with the pattern cycle for each day of the week or more, it is preferable to employ a calendar function as the time measuring means 77. Further, in order to automatically set the energy saving time zone Z, the actual use P can be performed by various evaluation methods other than those described above. The energy saving setting means 73, the heat retention control means 74, and the time measuring means 77 are each an internal function of the microcomputer 33a, but it is of course possible to share them with a single device or other devices.
[0055]
Here, an example of heat insulation control by the microcomputer 33a of the present embodiment will be described according to the flowchart shown in FIG. 8. Whether there is an automatic setting request of the energy saving time zone Z depending on whether the electric pot is used for the first time, etc. Depending on whether there is a manual setting request by the operation of the energy key, automatic energy saving time zone setting with data accumulation of actual use P status or manual energy saving time zone setting without such data accumulation Do something. If the energy-saving time zone has already been set at the first use of the electric pot, there is no automatic setting request, and there is no manual setting request, it is determined whether the energy-saving time zone starts or time, otherwise the temperature T₀Continue normal warming and return.
[0056]
When it is the start time or time of the energy saving time zone, the heater is turned off and the thermos or the energy saving temperature T is kept.₁Start energy-saving warming at, repeat it until the end or time of the energy-saving time zone, and once at the end or time of the energy-saving time zone, temporarily enter the water heating mode and keep the normal temperature T₀Until the temperature T₀Then, from the water heating mode, the temperature T₀Return to normal warming operation.
[0057]
If there is a discharge operation during energy-saving warming, the interrupt control is entered and the stored hot water content liquid 71 reaches a predetermined temperature T₂Above or normal temperature T₀Predetermined temperature range from_XIf it is within the range, the discharge lock is released so that the actual use P is performed by discharge. Otherwise, the discharge lock state is set and the hot water storage liquid 71 having a temperature that cannot withstand actual use is prohibited from being discharged. (It is preferable to notify the user of this state with a weight display, a lamp, a buzzer, etc., and wait until the temperature recovers.) Next, a temperature increase operation is performed to cope with a discharge operation in the middle of energy conservation and heat retention, and a predetermined recovery temperature T_ThreeIn response to the fact that the actual use P performed during the energy-saving and warming is repeated after that, the 30-minute timer is started and the energy-saving and warm-warming is continued until this is completed. To return to the automatic energy saving mode depending on whether the energy saving time zone Z is set earlier. That is, it returns to the correspondence before the actual use while saving energy.
[0058]
Another control example will be described based on the flowchart shown in FIG. When there is an energy-saving setting request, after displaying the energy-saving display, the actual use P is taken in and the non-use time zone where there is no actual use P continues for 6 hours or more from the data for 3 days, and is set to the energy-saving time zone Z. A time zone in which the interval of actual use P is less than 6 hours is set as a normal heat retention time zone R. After that, whenever the energy saving time zone Z is reached, the thermos or the temperature T with the heater turned off₁If the user releases the lock for the discharge operation lock for actual use during the energy-saving heat start, the discharge operation can be performed only for 20 seconds as in the normal case. If there is no discharge operation, the operation to return to the discharge operation lock state is performed again, and the unlocking operation is regarded as a discharge operation and corresponding control is entered.₂Above or normal temperature T₀To predetermined temperature range T_XIf it is within, unlock the energy-saving discharge, otherwise lock the energy-saving discharge and recover the recovery temperature T_ThreePerform the temperature rising operation. By performing such a temperature raising operation as a discharge operation at the time of the unlocking operation prior to the discharge operation as described above, the recovery temperature T_ThreeIt is convenient for actual use P.
[0059]
Next, start the 30-minute timer, reset the timer every time there is an actual use P by the end of the timer, continue the energy-saving high temperature insulation, repeat the start of the 30-minute timer, and use the actual use P until the timer ends When there is no energy saving time zone Z that satisfies the predetermined conditions while accumulating the actual usage P results during the energy conservation and warming up to that time, for example, for the energy saving time zone Z where there was an actual usage P at intervals of less than 6 hours Then, the normal warming time zone R is reset and the process returns.
[0060]
When it is not the start time or time of energy saving, or when it is the end time or time of energy saving, normal heat insulation is performed and the process returns.
[0061]
The above is an example of control corresponding to actual use P in the middle of energy conservation and warming. However, if it is repeated that there is no actual use P even though normal warming is in progress, the user's life circumstances, conditions, customs, etc. It is considered that this is due to the change in energy consumption, and when this becomes a fixed usage pattern, it is suitable for energy saving to cope with resetting as the energy saving warming time zone Z.
[0062]
Hereinafter, the specific configuration of the electric pot of the present embodiment will be described in more detail. The vacuum double container 3 is composed of a stainless steel inner cylinder 4 and an outer cylinder 5, and the heater 11 is a vacuum as described above. It is applied to the single bottom 3c of the double container 3 so that the heating efficiency is not lowered. The heater 11 can be used in combination with a water heater and a heat retaining heater having different capacities, or can be used individually. However, one heater can be used by a known method such as changing the duty ratio between the water heating mode and the heat retaining mode. It can also be used with different heat generation capacity. The exterior case 2 that accommodates the vacuum double container 3 is made of synthetic resin, the bottom and the body are integrally formed, and a separate shoulder 6 is fitted to the upper end of the body so as to be integrated. The heavy container 3 is accommodated and held. A discharge system 25 is connected to the single bottom of the vacuum double container 3, and the discharge system 25 rises between the vacuum double container 3 and the outer case 2, and a discharge port 25 d faces the front of the container 1. Yes. An electric pump 26 such as a centrifugal pump is provided in the middle of the discharge system 25, and the content liquid flowing into the discharge system 25 is sent out to the discharge port 25d and discharged. However, the method of the electric pump can be freely selected regardless of the pumping type or the pressurizing type. In addition, a manual pump 10 is provided on the lid 13 that covers the opening 12 of the container 1 that leads to the mouth of the vacuum double container 3 so that the container 12 can be opened and closed. Pressurized air is blown in to pressurize the hot-water storage content liquid 71 and push it out through the discharge system 25 so that it can be discharged outside. The manual pump 10 has an advantage that hot water can be supplied by manually discharging the stored hot water content 71 without a power source.
[0063]
The rising portion 25a of the discharge system 25 is a transparent tube so that the liquid amount can be seen through the transparent liquid amount display window 62 of the container 1. However, the liquid amount of the content liquid can be detected and displayed step by step with a photocoupler or the like by the photocoupler or the like, and can also be used as liquid amount data for various controls. Further, the automatic detection of the liquid amount may be performed by a capacitance method, or the liquid amount is automatically determined by a temperature rise characteristic when the hot water storage liquid 71 is heated by the heater 11 or a temperature drop characteristic when the heating of the heater 11 is stopped. Can be detected.
[0064]
The lid 13 is formed with a vapor passage 17 for releasing the vapor from the vacuum double container 3 to the outside. The lid 13 is formed on the inner opening 17a of the position facing the vacuum double container 3 of the lid 13 and the outer surface exposed to the outside. It communicates with the outer opening 17b. In the middle of the steam passage 17, when the container body 1 rolls over and the stored hot water content liquid 71 enters, a safety path 17c is provided that delays reaching the outer opening 17b by temporarily storing or detouring it. . As a result, it is possible to take measures such as raising the container 1 before the container 1 rolls over and the content liquid flows out through the vapor passage 17. Further, when the container body 1 rolls over, the steam passage 17 is provided with a water stop valve 18 at the time of falling, which works by its own weight or the like so as to prevent the entering content liquid from proceeding forward. Is provided. In the illustrated embodiment, it is provided at one location just inside the inner opening 17a.
[0065]
The front portion of the lid 13 is provided with a lock member 21 that engages with the locking portion 19 on the shoulder 6 side in the closed position to lock the lid 13 in the closed position, and the locking portion when the lid 13 is closed. The spring 22 is always urged to the locked position so as to automatically engage with the spring 19. Correspondingly, the lid 13 is provided with a lock release member 23 for releasing the lock by retracting the lock member 21. As shown in FIG. 1, the unlocking member 23 is of a lever type pivotally supported on the lid 13 by a shaft 24. By pushing down the front end 23a with a thumb or the like and rotating it counterclockwise, the locking member 21 is spring-loaded. It is possible to lift the lid 13 which has been unlocked by lifting the rear end 23b raised by the unlocking operation with another finger and opening it.
[0066]
In the space between the bottom of the outer case 2 and the bottom of the vacuum double container 3, a circuit box 28 that houses the power supply / drive system board 27 is installed together with the electric pump 26. In the illustrated embodiment, the circuit box 28 is integrally formed in the opening at the bottom of the outer case 2. The circuit box 28 is provided with a lid 60 that opens downward and closes it.
[0067]
The upper part of the discharge system 25 constitutes a discharge port portion 25c, which is an inverted U-shaped unit, at a portion between the projecting portion 31 of the container 1 and the pipe cover portion 2d on the exterior case 2 side. The part 25c is provided with a water stop valve 34a at the time of overturning, a water stop valve 34b at the time of forward tilt, and a discharge port 25d. The discharge port 25d is opened downward through the pipe cover portion 2d.
[0068]
A cover plate 36 is applied to the opening at the bottom of the outer case 2 from below by screwing or partial engagement, and a rotating seat ring 37 is supported on the outer periphery of the cover plate 36 so that it can rotate. When the vessel 1 is placed on a table surface or the like, it can be rotated lightly on the rotating ring 37 to change its orientation.
[0069]
Further, the discharge system sensor 72 provided on the control board 33 monitors the detected temperature while the discharge temperature is not detected as room temperature, and is used for various controls such as boiling water control, heat retention control, and liquid volume determination of the stored hot water content. be able to.
[0070]
【The invention's effect】
  According to the energy-saving and warming method of one feature of the present invention, the energy-saving and warming is generally performed by automatic setting or user selection corresponding to a non-use time zone,By heating control with one heater applied to the containerSince it is kept at a temperature lower than the normal heat retention temperature in the normal heat retention corresponding to the use time zone, energy is saved by the amount of the low heat retention temperature. In particular, if there is a discharge operation while energy-saving warming continues, the liquid contentTemperature range that can withstand actual use in the process of decreasing over time from the start of energy-saving heat insulationTherefore, the user can perform the discharge as it is, and the user does not perform any special operation. Temperature that can withstand useAreaAlthough it is a liquid of the contents, it can eliminate the inconvenience and inconvenience of uniformly prohibiting actual use during energy saving and warming,If it is less than the temperature range, the temperature is guaranteed with a temperature raising operation by the one heater so that it can be discharged.At the time of the discharge, it is possible to avoid the user from being confused with the notification corresponding to the discharge during the energy saving or reducing the energy saving effect with the unnecessary temperature raising operation.In normal heat insulation, there is no particular problem and the temperature raising operation by the discharge operation is not performed..
[0071]
  According to another feature of the present invention, the energy-saving and warming is generally performed automatically according to the non-use time zone or selected by the user, and the usage time is controlled by the heating control by one heater applied to the container. Since the temperature is kept lower than the normal temperature at the normal temperature corresponding to the belt, energy is saved by the lower temperature. In particular, if there is a discharge operation while energy-saving warming continues, the content liquid can be discharged as it is in a temperature range that can withstand actual use in the process of declining over time from the start of energy-saving warming. Without operation, therefore, without knowing that the energy-saving warming is in progress, while the content liquid temperature can withstand actual use in the process of the content liquid temperature decreasing over time from the start of energy-saving warming, the energy-saving warming The inconvenience and inconvenience of uniformly prohibiting the actual use of water can be eliminated, and if the temperature is less than the above temperature range, discharge is performed with a higher temperature guarantee with a heating operation with a high heating capacity in the water heating mode by the one heater. In doing so, the user can be confused by the notification corresponding to the discharge during energy saving, or the energy saving effect can be reduced by unnecessary heating operation. It is possible to avoid the Unakoto. In particular, actual use during energy-saving and warming is due to changes in user life circumstances and conditions, lifestyle habits, etc., and there is a high probability that it will be repeated for a certain period of time. By continuing the predetermined recovery temperature by the operation, it is possible to guarantee the temperature of the content liquid regardless of the energy saving heat retention. In addition, this makes it possible to reduce the inconvenience given to the user even when the energy-saving temperature is kept at a sufficiently low temperature including the stop of heating by the heater, and to achieve a high energy-saving effect.
[0072]
  According to another energy-saving and warming method of the present invention, the energy-saving and warming is generally performed automatically according to the non-use time zone or selected by the user, and the use time zone is controlled by heating control by one heater applied to the container. Since the temperature is kept lower than the normal temperature at the normal temperature corresponding to, energy is saved by the lower temperature. In particular, if there is a discharge operation while energy-saving warming continues, the content liquid can be discharged as it is in a temperature range that can withstand actual use in the process of declining over time from the start of energy-saving warming. Without operation, therefore, without knowing that the energy-saving warming is in progress, while the content liquid temperature can withstand actual use in the process of the content liquid temperature decreasing over time from the start of energy-saving warming, the energy-saving warming The inconvenience and inconvenience of uniformly prohibiting the actual use of water can be eliminated, and if the temperature is less than the above temperature range, discharge is performed with a higher temperature guarantee with a heating operation with a high heating capacity in the water heating mode by the one heater. In doing so, the user can be confused by the notification corresponding to the discharge during energy saving, or the energy saving effect can be reduced by unnecessary heating operation. It is possible to avoid the Unakoto. In particular, actual use during energy-saving and warming is due to changes in user life circumstances and conditions, lifestyle habits, etc., and there is a high probability that it will be repeated for a certain period of time. By continuing the predetermined recovery temperature by the operation, it is possible to guarantee the temperature of the content liquid regardless of the energy saving heat retention. In addition, the energy-saving warming temperature is low in inconvenience given to the user even if it is performed at a sufficiently low temperature including the heating stop by the heater, and the energy-saving effect can be high, and the discharge operation continues for a predetermined time or more. By returning to energy-saving warming when it is no longer performed, it is possible to repeatedly respond to the discharge operation after returning to energy-saving warming while preventing excess or deficiency in energy saving. Don't be.
[0073]
  Of the present inventionOne nowAccording to the energy-saving and warming method of the feature, energy-saving and warming is generally performed automatically or by user selection corresponding to the non-use time,By heating control with one heater applied to the containerSince it is kept at a temperature lower than the normal heat retention temperature in the normal heat retention corresponding to the use time zone, energy is saved by the amount of the low heat retention temperature. Especially during ongoing energy conservationWhen there is a discharge lock release operation, it is regarded as a discharge operation.Contents liquidTemperature range that can withstand actual use in the process of decreasing over time from the start of energy-saving heat insulationIf so, the user can perform the discharge as it is, so that the user does not perform any special operation, and therefore, without knowing that the energy is being kept warm,All you have to do is to release the discharge lock with the aim of discharging.Temperature that can withstand actual use in the process of content liquid temperature decreasing over time from the start of energy-savingAreaAlthough it is a liquid of the contents, it can eliminate the inconvenience and inconvenience of uniformly prohibiting actual use during energy saving and warming,If the temperature is lower than the above temperature range, the temperature raising operation with a high heating capacity in the water heating mode by the one heater is performed at a faster temperature guarantee starting from the discharge lock releasing operation time earlier than the actual discharge time point. So that it can be discharged.At the time of the discharge, it is possible to avoid the user from being confused with the notification corresponding to the discharge during the energy saving, or reducing the energy saving effect with the unnecessary temperature raising operation.In particular, actual use during energy-saving and warming is due to changes in user life circumstances and conditions, lifestyle habits, etc., and there is a high probability that it will be repeated for a certain period of time. By continuing the predetermined recovery temperature by the operation, it is possible to guarantee the temperature of the content liquid regardless of the energy saving heat retention. In addition, this makes it possible to reduce the inconvenience given to the user even when the energy-saving temperature is kept at a sufficiently low temperature including the stop of heating by the heater, and to achieve a high energy-saving effect.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing one example of an electric pot according to an embodiment of an electric hot water storage container of the present invention.
FIG. 2 is a control circuit diagram of the electric pot of FIG.
3 is a plan view of an operation unit of the electric pot of FIG. 1. FIG.
4 is a partial cross-sectional view showing another example of the electric pot of FIG. 1. FIG.
5 is a graph showing the temperature change of each part of the discharge system due to the discharge of the hot water storage liquid when the electric pot of FIG. 1 is kept at 98 ° C. FIG.
6 is a graph showing the temperature change of each part of the discharge system due to the discharge of the hot water storage liquid when the electric pot of FIG. 1 is kept at 90 ° C. FIG.
FIG. 7 is an explanatory diagram showing a procedure of an operation for setting an energy saving time zone from the progress of 3 days of actual use for each divided time block in units of 24 hours.
8 is a flowchart showing one example of heat retention control by the microcomputer shown in FIG. 2. FIG.
FIG. 9 is a flowchart showing another example of heat retention control by the microcomputer shown in FIG. 2;
FIG. 10 is a time chart showing the relationship between the heating by the heater and the temperature of the stored hot water content liquid during normal heat retention and energy saving heat retention.
[Explanation of symbols]
1 body
10 Manual pump
11 Heater
25 Discharge system
26 Electric pump
32 Operation panel
33 Control board
33a microcomputer
71 Hot water storage liquid
72 Discharge sensor
73 Energy saving setting means
74 Thermal insulation control means
75 memory means
76 Backup power supply
77 Timekeeping
82 Discharge key

Claims (4)

To heat the contents in an electric hot water storage container with a heater applied to the container and maintain the use condition while maintaining the normal temperature or energy saving at a temperature lower than the normal temperature, to be used for actual use by the discharge operation , when a discharge operation for the duration of the energy-saving thermal insulation, liquid content to allow it discharged if the temperature range capable of withstanding the actual use over time the process of lowering the energy saving insulation starting at less than the temperature range If present , an energy-saving heat retaining method is characterized in that discharge can be performed with a temperature raising operation by the heater, and the temperature raising operation by the discharge operation is not performed with normal heat retention. To heat the contents in an electric hot water storage container with a heater applied to the container and maintain the use condition while maintaining the normal temperature or energy saving at a temperature lower than the normal temperature, to be used for actual use by the discharge operation When a discharge operation is performed while energy-saving insulation is continued, the liquid content can be discharged as long as it can withstand actual use in the process of declining over time from the start of energy-saving insulation. The heater is capable of discharging with a heating operation with a high heating capacity in a hot water heating mode, and a predetermined recovery temperature by the heating operation continues for a predetermined time to guarantee temperature regardless of energy saving. To save energy and keep warm. To heat the contents in an electric hot water storage container with a heater applied to the container and maintain the use condition while maintaining the normal temperature or energy saving at a temperature lower than the normal temperature, to be used for actual use by the discharge operation When a discharge operation is performed while energy-saving insulation is continued, the liquid content can be discharged as long as it can withstand actual use in the process of declining over time from the start of energy-saving insulation. In this way, the heater can be discharged with a heating operation at a high heating capacity in the water heating mode, and the predetermined recovery temperature by the heating operation continues for a predetermined time, ensuring temperature protection regardless of whether the energy is being saved. An energy-saving and warming method characterized by returning to energy-saving and warming when there is no discharge operation continuously for a predetermined time within a time zone . To heat the contents in an electric hot water storage container with a heater applied to the container and maintain the use condition while maintaining the normal temperature or energy saving at a temperature lower than the normal temperature, to be used for actual use by the discharge operation When the discharge lock is released while energy-saving heat is maintained, it can be regarded as a discharge operation, so that the liquid can be discharged as it is in a temperature range that can withstand actual use in the process of decreasing over time from the start of energy-saving heat. If the temperature is lower than the above temperature range, the heater can be discharged with a heating operation at a high heating capacity in a water heating mode, and a predetermined recovery temperature by the heating operation continues for a predetermined time regardless of whether energy is being saved or not. An energy-saving warming method characterized by guaranteeing .

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