JPH0455630A - Hot water adding control device for bath device - Google Patents

Abstract

PURPOSE:To prevent a useless use of hot water by adding hot water by a method wherein means for detecting a volume of supplementing is provided, a difference between the supplemental volume and one adding hot water amount is calculated and when the calculated value is negative, a starting of adding hot water is prohibited and the hot water adding is locked. CONSTITUTION:As a hot water adding switch 32 is turned ON, a water level Hb in a bath tub is read out by a pressure sensor 12. Then, a difference between a full amount water level Hm in the bath tub B and the water level Hb in the bath tub is calculated. This calculated value becomes a hot water adding value water level (h). After calculation of this hot water added level (h), it is judged whether the added hot water level (h) is higher than the set water level increment value (ho) or not, and if the hot water added level (h) is higher than the set water level increment value (ho), the hot water adding operation is started. When an increment value (dh) corresponding to the added hot water amount is coincided with the set water level increment value (ho), the hot water adding operation is stopped, and the hot water adding switch 32 is turned OFF. In turn, when the hot water adding level (h) is lower than the set water level increment value (ho), the hot water adding switch 32 is turned OFF.

Description

[Detailed Description of the Invention] [Field of Application and Summary of the Invention] The present invention relates to a bath device of a type in which hot water can be supplied to a bathtub by a water heater, and in particular, a bath device in which a certain amount of hot water is added by -times of operation. This relates to a bath device that allows replenishment (additional hot water), and by limiting the number of times the replenishment operation is performed according to the amount of water stored in the bathtub, the wasted use of hot water due to the replenishment operation is avoided. It is intended to prevent

[Prior art and its problems] Recent automatic bath equipment is equipped with a hot water supply function section separate from the bath pot, that is, the bath heat exchanger, and by controlling this hot water supply function section, automatic filling of hot water is possible. It becomes. Therefore, when the hot water filling operation is performed, hot water at a predetermined temperature is supplied from the hot water supply function section into the bathtub, and when the amount of hot water stored in the bathtub reaches the set amount, the hot water filling operation is automatically stopped.

Like this, automatic? In a bath device equipped with a % filling device, the amount of hot water in the bathtub is set to a level that allows the user to take a bath simply by filling the bath with hot water. Also, recently, a supplementary bath function has been added, allowing the amount of hot water in the bathtub to be increased according to the preference of the bather. This replenishment function replenishes a certain amount of water into the thirsty bathtub with a single operation of the operating section. Therefore, if you perform the replenishment operation after the automatic hot water filling is completed, the amount of stored hot water can be set to be higher than the set amount of hot water, and if you repeat the replenishment operation, you can also arbitrarily set the increased amount of hot water according to the number of repeated operations. can. In other words,
When increasing the amount of hot water in the bathtub, you can use it according to your preference by adding hot water.

Incidentally, the above-mentioned addition hot water function can also be employed in a bath device that does not include an automatic hot water filling device, and the above-mentioned advantages are not impaired even in such a bath device.

However, in the case of conventional bath equipment equipped with the above-mentioned replenishment function, it is possible to perform replenishment operations for a fixed number of baths regardless of the amount of hot water stored in the bathtub. If there are too many hot water balls in the bathtub, there may be an inconvenience caused by excess water overflowing from the bathtub.

This is because, depending on the conditions at that time, a situation may arise in which the amount of thirst replenished by the additional hot water operation exceeds the maximum replenishable capacity.

The present invention provides such a bath device 1 that is equipped with a replenishment function that replenishes a predetermined amount of hot water into the bathtub by a single operation of the refill operation unit, and that allows the replenishment operation to be repeated. The object of the present invention is to solve the inconvenience of excess water overflowing from the bathtub during the replenishment operation by limiting the number of refill operations according to the amount of hot water in the bathtub.

*Regarding all days in claim 1 [Technical means] The technical means of the present invention taken to solve the above problem is a means for detecting the replenishable capacity, a pressure value of this means, and the amount of hot water added at one time. J equipped with a calculation means for calculating which difference, and a top-up water operation locking means for preventing the start of the top-up water operation when the calculated value in this calculation means becomes negative.
That's true.

(See Figure 1) [Action Co. The above technical means of the present invention operates as follows.

During the replenishment operation, the amount of hot water that can be replenished into the bathtub is detected by means for detecting the replenishable capacity. The difference between this detected value and the amount of hot water added at one time is calculated by the calculation means, and the calculated value is manually inputted to the addition hot water operation locking means. This addition water operation locking means prevents the start of the addition water operation when the calculated value in the calculation means becomes negative, and therefore, when the calculation value is positive, the addition water operation proceeds. Then, a predetermined amount of hot water is replenished into the bathtub by the -times replenishment operation. At this time, the amount of hot water to be added is less than the capacity that can be replenished into the bathtub, so even with this hot water addition operation, the replenished hot water will not overflow from the bathtub.

Conversely, if the calculated value is negative, the addition water operation is started or stopped by the pressure of the addition water operation locking means.

Then, the above series of operations will be performed every time the replenishment operation is performed.

[Effect Co. Since the present invention has the above configuration, it has the following unique effects.

Each time a replenishment is performed, the amount of thirst that can be replenished is detected, and it is determined whether or not replenishment is possible according to this detected value, and the replenishment is performed only under conditions where replenishment is possible. ,
The inconvenience of needlessly adding hot water can be prevented, and the inconvenience of adding hot water overflowing from the bathtub can also be eliminated.

*About the invention according to claim 2 The invention according to claim 2 is characterized in that the r bath device automatically sets the amount of hot water stored in the bathtub to a predetermined value upon completion of filling the bathtub. In one product having a pJ tensioning device, the same problem as the invention of claim 1 is solved,
For this reason, the number of times the hot water is added after filling is limited to a certain level or less.

The technical means of the invention of claim 2 comprises: "an operation number setting means for setting the number of refilling operations according to the set value of the amount of hot water filling; and a counting means for counting the number of refilling operations after the completion of filling the hot water. , further comprising a top-up bath operation blocking means for blocking the top-up bath operation after the count value of the counting means and the setting value of the operation number setting means match, and the number of top-up baths set by the number-of-operation setting means is set. The setting is such that hot water does not overflow from the bathtub even if the bathtub is refilled the number of times.

[Operation] In a device that employs this technical means, when refilling is performed after the completion of filling the hot water, the number of times the refilling operation is performed is counted by the counting means.

The amount of hot water in the bathtub increases each time the above-mentioned addition hot water operation is performed.

When the count value of the counting means reaches the set value of the number of operations setting means, the subsequent refilling operation is inhibited by an output from the refilling water operation stopping means. The number of addition baths set by the operation number setting means is set to such an extent that hot water will not overflow from the bathtub even if the number of addition baths is performed the number of times, so if the number of addition bath operations is less than the set number of times, the number of addition baths will not be exceeded. This prevents hot water from overflowing from the bathtub.

[Effect Co. Since the present invention has the above configuration, it has the following unique effects.

Since the number of replenishing hot water operations after automatic hot water filling is completed is limited to a predetermined number of times in relation to the replenishable capacity, similarly to the invention of claim 1, there is no inconvenience caused by refilling water more than necessary. It can be resolved.

[Example] Hereinafter, an example of the present invention will be described based on FIGS. 3 to 5.

The bath apparatus according to the embodiment of the invention according to claims 1 and 2 is generally constructed as shown in FIG.

This bath device is equipped with an automatic hot water filling device that detects the amount of hot water stored in the bathtub based on the water level and stops the hot water filling operation when the water level in the bathtub reaches a set water level (Ho). Yes, there is a heat exchanger (1) in the bathtub CB) and in the bathtub.
) are connected to each other via a circulation circuit (11), the water pressure in the heat exchanger (1) is detected by a pressure detector (12), and this detected pressure is used as the water level in the bathtub (H6). The water level in the bathtub () lb) and the set water level (
The hot water filling operation is stopped by comparison with Ho). In addition, in order to fill hot water in the bathtub CB), the hot water filling circuit (21) of the hot water supply heat exchanger (2), which is provided separately from the heat exchanger (1), is connected via the heat exchanger (1). A hot water filling valve (2) is connected to the bathtub (B) and is provided in the hot water filling circuit (21).
2) has been inserted. This hot water supply function section is activated by the heat exchanger (2) when the hot water filling valve (22) is opened by the hot water filling operation.
) is in a combustion state and enters a hot water supply state, and the hot water is supplied to the circulation circuit (11) via the hot water filling circuit (21)
) into the bathtub (B). This hot water supply temperature is configured to be set at a predetermined temperature. For this reason, a sensor (S) that detects the hot water temperature on the outlet side of the heat exchanger (2) is arranged in the upstream region of the hot water filling circuit (21).
The output value from S) is input to a control circuit (C) including a hot water temperature setting device, etc., and the output from this control circuit (C) controls the control valve (23) inserted in the gas circuit to the burner (20). The opening degree is adjusted to maintain the hot water temperature at the set temperature.

A control mechanism for automatic hot water filling is also built into the control circuit (C), and the hot water filling switch (
31), the hot water filling valve (22) is opened, the burner (20) enters the combustion state, and the hot water at the set temperature is fed through the hot water filling circuit (21) and the circulation circuit (11) to the bathtub CB). Hot water is supplied to A hot water filling level setting device for setting the amount of hot water filling is provided, and an operating knob (33) of this is provided on the operating panel (3).

Therefore, the amount of hot water filled can be adjusted by operating this operation knob (33).

Next, for additional hot water operation, the output from the flow rate sensor (25) inserted into the water supply circuit (24) to the heat exchanger (2) is input to the control circuit (C), and the output from the flow rate sensor (25) is input into the control circuit (C). The point in time when the set value (Qo) by the addition hot water amount setting device (40) and the detected amount (Qt) by the flow rate sensor (25) are compared and the detected amount (Q,) matches the set price (qo). At this point, the hot water filling valve (22) is closed and the addition and drying operation is stopped.

And the hot water switch (32) installed on the operation panel (3)
The above operations proceed according to the operations.

In the bathing device having the above configuration, each part is controlled by a microcomputer, and in the following, a program for executing control for limiting the number of hot water addition operations will be described as claimed in the above claims. Each embodiment corresponding to the invention described in .

*The control program for carrying out the invention of claim 1 The hot water addition operation proceeds in the same manner as described above, but in this embodiment, the set value (QO) and detected amount (qt) are determined by the pressure sensor (12 ) is converted to a value corresponding to the output value and controlled.

Therefore, in this embodiment, the value corresponding to the set value (QO:l) is the water level value set in relation to the size of the bathtub (B).In other words, the set value (Qo) is supplemented and depleted. The set water level increase (ho) in the bathtub (B) when Therefore, in order to control thirst,
The equipment is equipped with a device that calculates the difference between the water level (Hb) in the bathtub at the start of adding sweetfish production and the detected value during adding whirlpool operation.

Then, by executing a program according to the flowchart shown in FIG. 4, the desired control operation can be obtained.

The control operation at this time will be explained.

It is in a standby state until the thirst switch (32) is operated, and when the thirst switch (32) is turned on,
The water level (Hb) in the bathtub is read by a pressure sensor (12). In addition, in the above-mentioned hot water switch (32), when the switch circuit is in a non-conductive state, operating the push-button operating part will cause the switch circuit to become electrically conductive, and a second push operation will cause the switch circuit to become non-conductive. At the same time, the switch circuit also becomes non-conductive due to signals from other circuits.

Next, the full water level ()1 of the bathtub FB). ) and the water level in the bathtub (Hb) is calculated, and the water level corresponding to this difference is the drop from the water level in the bathtub (B) to the top of the bathtub (B). The water level (h) will be.

After this additional water level (h) is calculated, it is determined whether this additional water level (h) is greater than the set water level increase (ho), and the additional water level (h) is set to the set water level. Increase (
ho), the addition bath operation is started,
The increase value (dh) corresponding to the amount of added hot water is the set water level increase (ho
), the addition water operation is stopped and the addition water switch (32) is turned off.

On the other hand, when the replenishable water level (h) is smaller than the set water level increase (ha), the refill switch (32) is turned off without performing the replenishment operation. Therefore, bathtub CB
) If the remaining capacity in ) is smaller than the amount of hot water added, the hot water operation will not be performed.

From then on, the above control operation is repeated every time the hot water is added.
The hot water addition operation is executed only when the remaining capacity in the bathtub (B) is greater than the amount of hot water added.

*Control program for carrying out the invention of claim 2 In this embodiment, replenishment control using the flow rate sensor (25) is executed, and the set value (
Q(1) and the amount detected by the flow rate sensor (25) (Qt
), the addition hot water operation is controlled.

The program for this purpose follows the flowchart shown in FIG. 5, and the control operation will be explained below based on this.

Also, here? ! + Although the control of the filling operation is omitted, the amount of hot water is adjusted during the filling operation.
The amount of hot water filling is set by the operation knob (33). Based on the relationship between this setting value and the size of the bathtub (B), the amount of hot water that can be supplied into the bathtub (B) at the time of completion of filling the bathtub, that is,
The replenishable capacity is determined in advance.

Therefore, in this embodiment, when the hot water filling amount is set and the hot water filling operation is completed, the replenishable capacity and the set value (Q
The total number of gates (N) is calculated and determined in relation to o).

Next, the count memory (1) is set to "0", and then the operation of the replenishment switch (32) is awaited.

When the addition hot water switch (32) is operated, the count memory (1) is incremented by a count of "1", and the addition water operation is started by opening the easy-bow length valve (22). During this time, the detected amount (Qt) is detected by the flow rate sensor (25), and the detected amount (Qt) and the set value (Qo) are compared and calculated. Then, the detected amount (Q,) is the set value (QO
), the hot water filling operation is stopped by closing the hot water filling valve (22). After this, the value in the count memory (1) is compared with the value of the total number of addition gates (N), and if the number of addition gates has not reached the total number of addition gates (N), the operation of the addition/depletion switch (32) is performed. be placed in a waiting state.

When the value of the count memory (I) reaches the total number of addition sprues (N), this addition hot water control operation is completed and the next control command is awaited.

In this way, in this embodiment, the refilling operation is possible within the range of the total number of replenishing sprues (N), which is set based on the relationship between the replenishable capacity and the set value (Qo). Therefore, no further refilling is performed, and there is no fear that hot water will overflow from the bathtub (B) due to extra refilling.

[Brief explanation of drawings]

Fig. 1 is an explanatory diagram of the principle of the invention of claim 1, Fig. 2 is an explanatory diagram of the principle of the invention of claim 2, Fig. 3 is an overall diagram of a bath device implementing these inventions, and Fig. 4 is an explanatory diagram of the principle of the invention of claim 2. FIG. 5 is a flowchart of a control program implementing the invention of claim 1; FIG. 5 is a flowchart of a control program implementing the invention of claim 2; B)...Bathtub 12...Pressure detector 25...Flow rate sensor 31...Hot water filling switch 32...Additional hot water switch 40...Additional hot water amount setting device

Claims (2)

[Claims] (1) In a bath device that is equipped with a replenishment function that replenishes a predetermined amount of hot water into the bathtub by a single operation of the refill operation part, and that allows the replenishment operation to be performed repeatedly, the replenishable capacity is a means for detecting; a calculating means for calculating the difference between the detected value of the means and the amount of hot water added at one time; and a replenishing operation that prevents the start of the refilling operation when the calculated value of the calculating means becomes negative. An additional hot water control device for a bath device, which is equipped with a locking means. (2) In bath equipment equipped with an automatic hot water filling device that sets the amount of hot water stored in the bathtub to a predetermined value when the hot water is filled, the amount of hot water is added according to the set value of the hot water filling amount. An operation number setting means for setting the number of operations for hot water, a counting means for counting the number of addition operations after filling the hot water, and a addition operation after the count value of the counting means matches the setting value of the operation number setting means. A bath device comprising a replenishment bath operation prevention means for inhibiting the operation, and the number of refill baths set by the operation number setting means is set to a number at which hot water does not overflow from the bathtub even if the refill bath is performed that number of times. Additional hot water control device.