JP4661490B2 - Timer device for hot water storage type water heater - Google Patents

Description

  The present invention relates to a multi-function hot water supply device that performs a heating operation using hot water stored in a hot water storage type hot water supply device, and more particularly, to a timer device that improves a display method during a timer operation that stops or starts after a lapse of a desired time.

Conventionally, this type of timer device can be automatically operated or automatically stopped at a set time by setting the time of an on timer or a turn-off timer in advance. (For example, see Patent Document 1)
Also, there are some that set a plurality of on / off combinations to automatically drive, for example, from 6 am to 9 am in the day and from 18:00 to 22:00 at night (see, for example, Patent Document 2).
JP 7-180894 A JP-A-4-113133

  However, in the conventional on / off timer, since the display position of each timer setting time is fixed, it is difficult to determine which timer will operate next depending on the current operation state. For example, if the on timer 6:00 and the off timer 23:00 are set, if the operation is manually stopped before 23:00, the 23:00 off timer has already stopped, If it is manually operated after 23:00, the 6:00 timer will not operate.

  In addition, in the timer that can set multiple time zones, to display multiple time zones, 24 hours are represented by 24 segments arranged every hour like an analog clock, and the set operation time zone is lit. However, when displayed in a limited place, the display unit becomes small and difficult to see, and when the display unit is enlarged for easy viewing, there is a problem that the whole is enlarged. If all of the plurality of timer setting time zones are displayed, it becomes complicated, and it becomes difficult to see again and the usability is deteriorated. In addition, when a heating operation instruction means for manually instructing a heating operation and a timer operation instruction means for turning on and off at the time when the heating operation is set are arranged in parallel, whether the current state is the heating operation or not It was impossible to determine at a glance whether the timer was running or the timer was running, and it was necessary to go to the vicinity of where the instruction means was installed, and it was difficult to use in terms of ease of use.

  SUMMARY OF THE INVENTION The present invention solves the above-described problem, and an object thereof is to provide a display form that can confirm the current operation state at a glance even from a distance and can also confirm information on the next timer operation. It is what.

In order to solve the above-described conventional problems, the timer device of the hot water storage type hot water supply apparatus of the present invention is provided with a timer time display unit separately from the current time display unit, and the timer setting time that operates next according to the current operation state, Provided on the timer display that sets the start time and the stop time of the operation and the operation display unit that displays the state of the heating operation provided on the heating switch that displays the operation operation and instructing on / off of the operation The timer display unit for displaying the status of the timer operation is different in display form, and the heating switch and the timer means are arranged side by side .

According to the above invention, since the operation display form and the timer display form are different from each other, it is possible to determine at a glance whether the current operation state is the heating operation, the timer standby, or the timer operation from a distance. And the information on the next timer operation can be easily confirmed, so that the usability can be improved. For example, when the setting of the first timer means is the on timer 6:00, the off timer 9:00, the setting of the second timer means is the on timer 18:00, and the off timer 22:00, the current time is 7:00. The timer display will be “OFF 9:00”, and if it has been manually stopped at 7:00, the 9:00 OFF timer will be invalid and the timer display will be “ON 18: 00 ”.

  The timer device of the hot water storage type hot water supply apparatus of the present invention displays the effective timer operation and time that will be operated next in accordance with the current operating state, so that even if a plurality of timers are set, it is easy to understand and the wrong setting is made. It is easy to notice. Furthermore, since the operation display form and the timer display form are different, it is possible to determine at a glance whether the current operation state is the heating operation, the timer standby, or the timer operation even from a distance. Can do.

The first invention is a tank for storing hot water, heating means for boiling water in the stratified state while circulating the hot water in the tank from the lower part to the upper part, and heating while circulating the hot water in the tank from the upper part to the lower part. A heating circuit for supplying heat to the load side via a heat exchanger, a heating switch for instructing on / off of the operation of the heating circuit, and a first timer means for setting a start time and a stop time of the heating operation , a second timer means for setting the start time and stop time separately heating operation from said first timer means, and the operation display unit that displays the status of the heating operation provided on the heating switch, wherein each of the timer display for displaying the setting state of the timer means provided on the timer means, and control means for said timer means stops or starts the heating operation time set by the is, the current A timer device of the storage-type water heater having a time display for displaying the time, and a timer time display unit that displays information stop / start of reserved timer time and a timer, the heating switch and the timer means The operation display unit and the timer display unit are displayed in different display forms so that it can be discriminated at a glance whether it is in a heating operation, in a timer operation standby mode, or in a timer operation mode. The time display section displays information on the stop time / start time of the next timer operation.

  Since the next effective timer operation and time are displayed according to the current operating state, it is easy to understand even if a plurality of timers are set, and it is easy to notice even if a wrong setting is made. Furthermore, since the operation display form and the timer display form are different, it is possible to determine at a glance whether the current operation state is the heating operation, the timer standby, or the timer operation even from a distance. Can do.

  The second invention is characterized in that the lighting colors of the operation display unit and the timer display unit are different colors so that it is possible to determine at a glance whether the operation is in the heating operation, in the timer operation standby or in the timer operation. Is.

  And as the display form of the operation display part and the timer display part, the lighting color is a different color, so it is possible to distinguish and display during heating operation, waiting for timer operation, during timer operation, even from a distance The state can be determined at a glance.

  The third invention is characterized in that a plurality of timer times and stop / start information that are sequentially operated are displayed side by side on the timer time display section.

Then, the next and next timer operation can be grasped and can be understood more easily.
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by this embodiment.

(Embodiment 1)
FIG. 1 shows a configuration diagram of a hot water storage type hot water supply apparatus according to a first embodiment of the present invention. In the figure, 10 is a tank for storing hot water, and has a hot water supply pipe 11 in the upper part and a water supply pipe 12 in the lower part of the tank 10. The water supply pipe 12 is connected from a water supply port 13 to which a water supply is connected through a pressure reducing valve 14 for reducing the water pressure. In the tank 10, hot water is separated into the upper part and water is separated into the lower part due to the difference in specific gravity, and when boiling the hot water in the tank 10, hot water is stored from the upper part of the tank 10, thereby forming a layer in which the hot water is pushed down. Accumulated. When hot water is supplied from the hot water supply pipe 11, water is supplied from the water supply pipe 12 into the tank 10 and the tank 10 is always filled with hot water. A boiling pipe 15 connected from the lower part to the upper part is connected to the tank 10, and a boiling pump 16 and a heat source unit 17 are interposed in the boiling pipe 15. By driving the boiling pump 16, hot water at the lower part of the tank 10 is supplied to the heat source part 17, and hot water is heated by the heat source part 17, and then returned to the upper part of the tank 10 to store hot water. At this time, the heat source unit 17 is a heat pump or a heater having a heat pump cycle using carbon dioxide or the like as a refrigerant. By the boiling means configured as described above, the tank 10 is stored in layers so that the upper part is hot water and the lower part is low-temperature water. A circulation circuit 18 for taking out the high temperature water from the upper part of the tank and returning it to the lower part is formed, and a heating heat exchanger 19 and a heating circulation pump 20 are arranged in the circulation circuit 18, thereby using the high temperature water at the upper part of the tank to load. A heating circuit 22 for supplying heat to 21 is configured.

  Further, in the present embodiment, a bath reheating circuit 23 is provided in parallel with the heating circuit 22, and similarly to the above, high temperature water in the upper part of the tank is transferred to the lower part of the tank by the bath circulation pump 25 via the bath heat exchanger 24. It is configured to exchange heat with the hot and cold water in the bathtub 26 by circulating it.

  Further, the hot water in the tank 10 is adjusted to a desired hot water temperature via the mixing valve 27 and then constitutes a hot water supply circuit 30 that supplies the currant 28 and the shower 29.

  In the hot water storage type hot water supply apparatus configured as described above, a heating operation instruction is given by the remote controller 31.

  Therefore, the relationship between the remote controller 31, the heater serving as the load 21, and the heat source unit 17 is shown in the block diagram of FIG. FIG. 3 shows the external appearance of the remote controller 31.

  As shown in FIG. 2, the heater 101 includes a heat source unit 102 and a heater control unit 103 that operates and stops the heater, and the heater control unit 103 operates according to information set by the remote controller 104. It is configured. The remote controller 104 inputs a remote controller control unit 106 that controls display contents of the panel unit 105, a storage unit 107 that stores information for displaying on the panel unit 105, a set value and time of the heating temperature, and a set value. The input unit 108 is provided.

As shown in FIG. 3 , the input unit 108 includes a menu switch 201 that calls a setting screen when setting the current time and the timer time, and a specific setting confirmation item from the options displayed on the panel unit 105. A selection switch 202 to be selected, a confirmation switch 203 for confirming a setting confirmation item selected by the selection switch 202, a heating switch 204 for operating and stopping the heater, a timer 1 switch 205 serving as a first timer means, a second Timer 2 switch 206 serving as the timer means. When the timer 1 switch 205 is operated for operation, the timer 1 is set to be turned on / off at the preset timer 1 setting on / off time. When the timer 2 switch 206 is operated for operation, the preset timer 2 setting on / off time is set. Run / stop. When both are operated, it is operated / stopped at the on / off times of both timer 1 setting and 2 setting. On the panel unit 105, the current time is displayed on the clock display unit 207, and the timer time to be operated next and “ON” / “OFF” are displayed together on the timer time display unit 208.

  Further, an operation display unit 204a that displays the state of the heating operation in conjunction with the operation of the heating switch 204 is provided, and a timer that displays the state of the timer setting by the first timer means in conjunction with the operation of the timer 1 switch 205. A timer display unit 206a for displaying the state of timer setting by the second timer means in conjunction with the operation of the display unit 205a and the timer 2 switch 206 is provided. The operation display unit 204a displays a red lighting state when the heating operation is instructed, and the timer display units 205a and 206a light up in orange when the timer time is set and the timer operation is instructed. When the timer is on standby, only the timer display portion 205a or 206a is lit in orange. When the set on-timer time is reached, it is possible to determine that the timer operation state has been entered by simultaneously turning on the red lighting of the operation display unit 204a and the orange lighting of the timer display unit 205a or 206a.

  In this way, by lighting the operation display unit 204a and the timer display units 205a and 206a in different lighting colors, it is possible to see at a glance whether the current operation state is the heating operation, the timer operation standby, or the timer operation. It becomes possible to distinguish.

  In the present embodiment, the display form is distinguished in the combination of red lighting and orange lighting. However, other lighting colors may be combined, and further, lighting and blinking may be combined. Absent.

  Detailed operation of the remote controller 104 configured as described above will be described.

  FIG. 4 is an explanatory diagram of the timer time display unit, 301 is a time setting value of timer 1 and timer 2, and 302 is a time axis of one day. Reference numeral 303 denotes a value of the timer time display portion, which is represented by “ON” and “OFF” represents the operating state of the heater at the time point 302.

  In the timer setting value 301, the timer 1 is set to on 5:30 and off 9:00, and the timer 2 is set to on 18:10 and off 21:40. At this time, in the section of a on the time axis 302, when the operation is “OFF”, A is displayed, and the next operation is the timer 1 being on and the display is on 5:30. If the operation is manually set to “ON” in this section, B is displayed, the timer 1 ON is disabled, the timer 1 OFF is enabled, and OFF 9:00 is displayed. Similarly, the period from b to d is also displayed as shown in FIG. 4. If the current time is “ON”, the next “OFF” timer time is valid, so the timer display section displays the OFF time, and conversely the current time. In the case of “OFF”, the next “ON” timer time is valid, and the ON time is displayed on the timer display section.

  Therefore, since the effective timer operation and time to be operated next are displayed according to the current operation state, it is easy to understand even if a plurality of timers are set, and it is easy to notice even if a wrong setting is made.

(Embodiment 2)
In the first embodiment, the timer time to operate next is displayed among a plurality of set timer times.

  In the second embodiment, as shown in FIG. 5, by displaying the next timer time, it is possible to grasp the next timer operation and make it easier to understand.

  In the second embodiment, two next timer time settings are displayed, but three or more may be displayed. For example, it is possible to check whether there is any setting omission by displaying all the timer times that are valid for the setting.

  As described above, the timer device according to the present invention can be applied as an operation / stop timer device for an air conditioner or a heater.

The block diagram of the hot water storage type hot water supply apparatus in Embodiment 1 of this invention The block diagram which shows the structure of the heater of the embodiment External view of remote control of the embodiment Explanatory drawing of the timer time display part of the embodiment Explanatory drawing of the timer time display part of Embodiment 2 of this invention

105 Panel section 106 Remote control section 108 Input section 204 Heating switch 204a Operation display section 205 Timer 1 switch (first timer means)
205a Timer display section 206 Timer 2 switch (second timer means)
206a Timer display section 207 Clock display section 208 Timer time display section

Claims (3)

A tank for storing hot water, a boiling means for boiling in the stratified state while circulating the hot water in the tank from the lower part to the upper part, and a heating heat exchanger while circulating the hot water in the tank from the upper part to the lower part A heating circuit for supplying heat to the load side, a heating switch for instructing on / off of the operation of the heating circuit, first timer means for setting a start time and a stop time of the heating operation, and the first timer 2nd timer means for setting the start time and stop time of the heating operation separately from the means, an operation display section for displaying the state of the heating operation provided on the heating switch, and provided on the respective timer means and a timer display for displaying the setting state of the timer means, and control means for said timer means stops or starts the heating operation time set by the is to display the current time A timer device of the storage-type water heater having a clock display unit, and a timer time display unit that displays the timer time and information stop / start of timer reserved, distribution side by side and said timer means and the heating switch The operation display unit and the timer display unit are displayed in different display modes so that it can be discriminated at a glance whether it is in a heating operation, in a timer operation standby mode or in a timer operation, and in the timer time display unit. Displays information on the stop time / start time of the timer operation to be operated next. The timer of the hot water storage type hot water supply apparatus according to claim 1, wherein the operation display unit and the timer display unit have different lighting colors so that it can be discriminated at a glance whether it is in a heating operation, in a timer operation standby mode or in a timer operation mode. apparatus. The timer device of the hot water storage type hot water supply apparatus according to claim 1 or 2, wherein the timer time display unit displays a plurality of timer times and stop / start information that are sequentially operated.