JP3525899B2 - Control method of household water softener - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] TECHNICAL FIELD The present invention relates to a method for treating raw water for treating
To the water flow path that contains the accommodated treatment vessel and treated water line in sequence
When the water flow process to be distributed is executed for a predetermined amount,Raw water to raw water
Through the priming flow path, which includes a line and a drain line
Priming process,Recycle solution in processing vessel, drain line in order
A regeneration step of circulating through a regeneration channel containing
To the extrusion flow path, which includes a vessel and a drain line.
And then perform the regeneration control to return to the water flow process.
The present invention relates to a method for controlling a household water softener. [0002] SUMMARY OF THE INVENTION This type of water softener for domestic use
Is generally used as a treatment material for water softening.
An exchange resin is used. In such devices,
If water is not passed into the processing container for a long time,
Harmless organic matter spilled from the on-exchange resin and water flow was resumed.
Odor or color water in the treated water
And This can cause complaints. [0003] The present invention solves the above problems.
It was made to solve the problem, containing raw water
Includes treated vessels and treated water lines sequentiallyWater passageDistribution to
When a predetermined amount of water flow process is performed,Raw water to raw water rye
Call that flows through a priming flow path that includes
And water process,Including the processing vessel and drain line in order
A regeneration step of circulating the raw water through a regeneration channel,
Extrusion to flow through the extrusion flow path including the drain line sequentially
Process, and control the return to the water flow process.
In the water system, the raw water is adjusted for the flow rate per unit time.
Process container and drain line
A washing step to circulate through the washing flow path containing
Raw water in the water flow path or the treatment
When it detects that the flow of the water
After performing the washing process, it shifts to the water flow process
And According to the above means, the raw water in the water passage is
Or, it has been detected that the flow of the treated water is not longer than a predetermined time.
When the cleaning process is performed automatically,
After that, the process proceeds to the water passing step. [0005] DETAILED DESCRIPTION OF THE INVENTIONHousehold water softenerImplementation of
The form of the treatment is as follows:
A water flow process that circulates water through a water flow path that includes
When a predetermined amount is executed,Raw water to raw water line, drain line
A priming step of circulating the priming flow path sequentially includingPlayback
Distributes the liquid to the regeneration channel, which includes the processing vessel and drain line sequentially
Regeneration process, and the raw water in the treatment vessel and drain line in order.
And the extrusion process of circulating through the extrusion flow path
Home water softener that controls the return to the water flow process
The raw water flow rate per unit time in the extrusion step
Include processing vessel and drain line sequentially
Provide a washing process to circulate to the washing channel, and
Flow of raw water or treated water treated by a treatment vessel
When it is detected that there is no predetermined time or more, the cleaning step is performed.
Move to water flow process after performingHousehold water softenerHow to control
Act. [0006] This embodiment will be described in detail below.
I will tell. In this embodiment, a household water softener
Includes the following three forms. That is, the raw water supply line
The raw water is once stored in the raw water tank from the
Of the raw water stored in the tank to the treatment vessel by the action of the water supply pump
During the extrusion process, the raw water in the raw water tank
Form to supply to processing container (first form: water tank interposed)
Form) and raw water from the raw water supply line to the raw water tank once
Store and directly connect the raw water supply line to the treatment vessel
To feed raw water directly from the raw water supply line during the water flow process.
During the extrusion process, the raw water in the raw water tank is
Form to supply to processing vessel by natural fall (second form:
Direct pressure / tank coexistence) and water flow without raw water tank
During the process and the extrusion process, the raw water is
(3rd form: direct pressure)
Form). In these configurations, the raw water line
The line refers to the line through which raw water flows, and the regenerating solution line
Means the line through which the raw liquor flows, and the treated water line
The line through which the treated raw water treated by the treated material flows
Taste, and the drain line is the liquid to be drained in the processing vessel.
Means the line that drains the body. The case of the first embodiment will be described.
In this mode, the water flow path is a raw water tank,
Vessel and treated water line. Raw water tank
Is a means for temporarily storing raw water.
This is a means for storing a processing material inside. Raw water line
This is a supply path for supplying raw water from the water tank to the processing container. original
The end of the water line on the processing vessel side is usually at the top of the processing vessel.
Connected, but insert the tip into the processing material in the processing container
It can also be connected as follows. The treated water line is
By connecting the raw water to the treatment vessel.
This is a supply path for supplying the generated treated water. Treated water
The location of the connection to the treatment vessel
So that it flows out of the treated water line.
This is the position where the processing material is sandwiched between the edges.
The lower part of the vessel is not limited to this. This water passage
Is provided with a water supply pump that sucks and pumps raw water.
This installation location is for the raw water tank between the raw water tank and the treatment vessel.
In or at the treated water line at the outlet of the treatment vessel
is there. In the water flow process, the feedwater pump is driven to
The raw water is circulated to the water channel. This water flow process is performed for a predetermined amount.
Once executed, a regeneration step is performed. This predetermined amount is
Execution time of water passage process, or flow rate of treated water, or raw water
Means that the flow rate reaches a predetermined value. [0008] The regeneration flow path includes a regenerating solution line, a processing vessel, and a drain.
It includes a ren line sequentially. This regeneration channel
The raw liquid line includes a regenerating liquid tank if necessary.
You. This regenerating liquid tank regenerates the processing material in the processing container.
This is a means for storing the regenerating liquid. Regeneration liquid line
This is a supply path for supplying the regenerating liquid in the liquid tank to the processing container.
The drain line was connected to the processing vessel and finished the regeneration operation
This is a discharge path for discharging the regenerating solution. Processing volume of regenerating solution
For the flow to the vessel, set the regenerating liquid tank above the processing vessel
To generate by gravity free fall method, or
Generates a stream of raw water,
It is generated by the step action. When using a jet pump
Is supplied to the processing vessel in a state where raw water and regenerating solution are mixed
Is done. Also, when it is necessary to reduce the concentration of the regenerating solution
Is raw water from which raw water flows down from the raw water tank by natural fall
Place the downflow line before the processing vessel of the regenerating solution line, or
Connected before the processing material in the processing vessel
After mixing and regenerating the regenerated solution from
Then, it is configured to supply to the processing container. As a regenerating solution
Is adjusted to an appropriate concentration and stored in the regenerant tank.
If this is the case, no means for this mixing is necessary. Again
During the raw process, regenerate the regenerating solution or a mixture of the regenerating solution and raw water.
Distribute to the raw channel. [0009] The extrusion channel is a raw water tank, a raw water flowing down line.
Water tank, processing vessel, drain line
It is positioned above the processing container,
Raw water, raw water tank-raw water flow down line-treatment vessel-
Distribute with Renline. Raw water flow down line of extrusion channel
Is a natural fall type, while the raw water line in the
Both lines are basically separate due to forced water flow by pump
Although it is a line, it is possible to share a part. Push
During the discharging process, the raw water in the raw water tank is extruded by gravity
Flow through the flow path. [0010] The washing flow path includes a raw water tank, a raw water line, and a processing line.
It contains a water supply container and a drain line in order.
A feedwater pump is installed in the raw water line between the tank and the treatment vessel.
You. The washing channel is a feedwater pump and a raw water line in the water channel.
By sharing a part of the raw water, the raw water line
It is also possible to provide a water supply pump. This washing flow
The raw water line of the road may share part of the treated water line.
It does not have to be shared. In addition, drain line
In, it is desirable to share the drain line of the extrusion flow path
However, it is also possible to provide them separately. During the cleaning process
Drives the feed water pump to wash the raw water in the raw water tank
Distribute to This washing step is provided after the extrusion step.
The regeneration control includes the regeneration process, the extrusion process, and the cleaning process.
Will be included. In this playback control, if necessary,
The priming process is included. This priming process is a part of the regeneration process.
An empty space in the drain line of the regeneration channel
Vent and fill with water, natural fall of regenerated solution during regeneration process
This is a process for facilitating Unit time of raw water during cleaning process
To increase the flow rate per unit from that during the extrusion process
Increases the flow rate by driving the water supply pump during the cleaning process.
It can be large and falls naturally without driving the water supply pump during the extrusion process
By supplying raw water, the flow rate can be reduced. In addition,
Reduce the flow rate of raw water per unit time during the extrusion process
Is that the regeneration with the treated material takes place slowly and slowly.
This is because it is necessary to [0011] Then, the flow of raw water in the water passage,
Or the flow of treated water flowing out of the treatment
If the absence is detected, the cleaning step is performed for a predetermined time.
Is done. This detection is performed, for example, by using a flow provided in the water flow path.
This is performed by a water flow detecting means such as a switch. This water flow test
The outlet means can also be used as a means for controlling the feedwater pump.
You. In the case of the second mode, the water flow path is
Water supply line, raw water line, treatment volume containing processing materials
Vessel and treated water line, and the regeneration channel is
A configuration that includes a raw liquid line, a processing vessel, and a drain line sequentially
And the extrusion channel is a raw water tank, raw water line, treatment volume
And a drain line in order.
Water supply line, raw water line, treatment vessel, drain line
It is configured to include them sequentially. In this mode, the raw water supply line
Pump means on the upstream side (outside of the household water softener)
May or may not have
The water pressure in the raw water line is about the same as the water pressure.
In this mode, during the cleaning process, the raw water supply line
Raw water with a high water pressure is directly supplied to the treatment vessel and extruded.
At the time, raw water with low water pressure is dropped by natural fall from the raw water tank
Because it is configured to supply, raw water during the cleaning process
The flow rate per unit time is higher than that during the extrusion process.
It's getting worse. In the case of the third mode, the water flow path is
Water supply line, raw water line, treatment volume containing processing materials
Vessel and treated water line, and the regeneration channel is
A configuration that includes a raw liquid line, a processing vessel, and a drain line sequentially
And the extrusion flow path is raw water supply line, raw water line, treatment
The container and the drain line are sequentially included.
Raw water supply line, raw water line, treatment vessel, drain line
Are sequentially included. In this embodiment, the cleaning channel and
Adjust the flow resistance of the extrusion channel. For example, extrusion flow
Wash through a flow resistance member such as an orifice etc.
By eliminating the flow resistance member in the purification channel,
The flow rate of raw water during the extrusion process during the extrusion process.
Do more than that. [0014] DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiment of the present invention as described above
Household material made of ion-exchange resin and saline as regenerating solution
Embodied in a water softener. This specific example
The details will be described below with reference to the drawings. FIG. 1 to FIG. 5 show a home use according to the present invention.
FIG. 2 is a schematic explanatory view showing the configuration of a water softener,
Process, priming process, regeneration process, extrusion process, washing process
are doing. Reference numeral 1 denotes a resin tube (a cylindrical processing container made of resin).
And as a resin holding member at a lower portion in the resin cylinder 1
A predetermined amount of silica stone 2 is accommodated, and above this silica stone 2
Between the wire mesh 3 as the resin holding member installed in the part
The amount of the ion exchange resin (processing material) 4 is stored. resin
A raw water tank 5 and a salt water tank (regenerated liquid tank)
H) Raw water inlets provided in parallel at the bottom of the resin cylinder 1
Section 7 and the lower part of raw water tank 5 are connected by raw water line 8,
Feed water pump 9 and feed water pump 9 in the raw water line 8
Check valve G1 and flow switch to block the flow to
(Water flow detecting means) 10, pressure switch (pressure detecting means)
11 and the first valve V1 are provided sequentially from the upstream side. Tree
A soft water outlet 12 is provided at the upper part of the oil cylinder 1, and this soft water outlet is provided.
A soft water line (treated water line) 13 is connected to the section 12
The second valve V2 and the accumulator 14 are provided inside.
You. And the downstream side of the second valve V2 of the soft water line 13,
Between the pressure switch 11 of the raw water line 8 and the first valve V1.
A bypass line that branches from the raw water line 8
15 and a third valve V3 is provided on the way. This
Of the ion exchange resin in the resin cylinder 1
4 is to avoid water interruption during regeneration. In addition,
The accumulator 14 is a faucet for the soft water line 13.
(Not shown)
This is to reduce the number of times the water pump 9 starts and stops. Further, a lower portion of the salt water tank 6 and a soft water line
13 and the position close to the soft water outlet 12
(Regeneration liquid line) 16 and this brine downflow line
Second check to prevent the flow in the direction of the salt water tank 6 during 16
The valve G2 and the fourth valve V4 are provided sequentially from the upstream side.
And, on the downstream side of the fourth valve V4 of the brine descending line 16,
The raw water flow down line 17 connected to the lower part of the raw water tank 5
The downstream end is connected before the resin cylinder 1. Raw water flow
In the middle of the lower line 17, the flow toward the raw water tank 5
A third check valve G3 for blocking is provided. And the resin cylinder
A drain line 18 is connected to the raw water inlet 7
A fifth valve V5 is provided on the way. The raw water tank 5 has a water level control device 19.
(For example, ball tap method)
Raw water supply that supplies raw water such as tap water by the position control device 19
The supply line 20 is connected. In the salt water tank 6,
And a salt 22 is placed on the net 21.
And the lower part of the net 21 of the salt water tank 6
Is separated from the first portion 6A and the second portion 6B by the partition wall 23.
Is divided into This first part 6A and raw water tank 5
And water supply line 24 to supply raw water to salt water tank 6.
I am trying to pay. Symbol G4 is on the rehydration line 24.
Fourth check valve that prevents flow toward the raw water tank 5 provided
It is. The partition 23 is supplied from the raw water tank 5.
During the regeneration process, the raw water and the already generated saturated brine
To prevent mixing in the lower part of the salt water tank 6
It is a member. In addition, the salt water falling line 16 is a second part.
6B is connected to the bottom. The salt 22 on the net 21
Dissolve in raw water supplied from water tank 5 to produce saturated brine
To achieve. The raw water tank 5 and the salt water tank 6 are respectively
Raw water overflow pipe 25, salt water overflow pipe 26
It has. In the above description of the embodiment,
Means a channel or path, more specifically a conduit
To taste. In the above configuration, each water passage process, priming water
Water flow for process, regeneration process, extrusion process, and washing process
Flow path, priming flow path, regeneration flow path, extrusion flow path, washing flow path
Organize and explain. The water flow path is raw water tank 5
In 8-resin cylinder 1-soft water (treated water) line 13
It is something. In this water passage, the water supply pump 9
One check valve G1, a first valve V1, and a second valve V2 are included. Call
The water flow path is a part of the raw water tank 5-raw water line 8 (water supply
Including the pump 9) -including the drain line 18 sequentially
It is. The priming flow path includes a first check valve G1 and a first valve
V1 and a fifth valve V5. The regeneration channel has a high concentration
Mix the salt water (regenerated liquid) and the raw water that dilutes it to make a resin cylinder
1 is a flow path for supplying to the ion exchange resin 4,
Ku 6-brine flow down line 16-part of soft water line 13-tree
Including the oil cylinder 1-drain line 18 sequentially,
Includes the line 5-raw water flow down line 17. This playback
In the flow path, the second check valve G2, the fourth valve V4, the fifth valve V5,
A third check valve G3 is included. Extrusion channel is a raw water tank
5-Raw water flow down line 17-Resin cylinder 1-Drain line 18
Are sequentially included. The third check valve G3 and the fifth valve
V5 is included. The washing channel is the raw water tank 5
(Part of raw water line 8-bypass line 15-soft water line)
It consists of a part of the in 13 and the raw water flows during the washing process
This is a raw water line in the sense of)-resin cylinder 1-drain
Lines 18 are sequentially included. Thus, cleaning
The raw water line of the flow path is the third valve V3 of the bypass line 15.
And the portion of the soft water line 13 where the second valve V2 is provided.
Although the share is shared, this is to simplify the circuit configuration
It is. The cleaning flow path includes a first check valve G1 and a third valve V
3, a second valve V2, and a fifth valve V5. The first valve V1 to the fifth valve included in each of the flow paths
V5 is opened and closed by a cam mechanism (not shown) in this embodiment.
It is configured as a controlled switching valve device VA, but separate
It can be composed of five solenoid valves. The cam mechanism includes a valve
Each step is driven by a step drive motor 31 (see FIG. 6).
Is controlled so as to correspond to. This switching valve device
The position VA is controlled by controlling the open / close state of each valve.
Flow path, priming flow path, regeneration flow
A channel, an extrusion channel and a cleaning channel are formed. Also the second
The check valve G2 to the fourth check valve G4 are one check valve box.
(Not shown). The switching valve device VA and the water supply port
As shown in FIG. 6, the amplifier 9 is a microcomputer or the like.
The processing procedure stored in advance is performed by the control device C including
Therefore, flow switch 10, pressure switch 11, switching
Position detection for detecting the switching state (each process position) of the valve device VA
It is controlled by inputting a signal from the output means 33 or the like. flow
When the switch 10 detects a predetermined first set flow rate,
Outputs a water flow signal (feed pump drive request signal)
When a second set flow rate smaller than the set flow rate by a predetermined value is detected.
Output a water flow no signal (feed pump stop request signal)
You. Further, the pressure switch 11 detects a pressure equal to or lower than the first set pressure.
Output the feed water pump drive request signal to output the first set pressure
Water is supplied by detecting the second set pressure or more that is higher than the force by a predetermined value.
Outputs pump stop request signal. Control by control device C
As shown in FIG. 7, the initial setting control CA and the water flow control C
B, regeneration control CC, and cleaning control CD. initial
The setting control CA operates a reset switch (not shown)
Control performed when a reset is applied.
Purification process SJ and origin setting process SG (switch valve device VA
Control to set the position of the water flow step). Water system
The control CB is used as a switching valve device VA as a water passage process position.
This is the control for performing the process. In the regeneration control CC, the water flow process is
Days and the current time equals the playback time
Control to regenerate the ion exchange resin 4
Step SY, regeneration step SS, extrusion step SO, cleaning step S
J and the origin setting step SG are sequentially performed. Priming process SY
May be unnecessary depending on the structure of the device. Each priming
Step SY, regeneration step SS, extrusion step SO, cleaning step S
J detects each process position and executes the process (execution of the process and
Means execution of operations such as priming and regeneration).
Here, the cleaning step SJ is not always necessary. Washing
The control CD determines that the flow switch 10
Predetermined conditions such as not detecting flow
Is satisfied, the cleaning process SJ is performed. Washing
An example of the control CD is as shown in FIG. Hereinafter, each control in this embodiment will be described.
explain. First, the water flow control CB will be described. FIG.
The description will be made with reference to FIG.
The valve device VA is controlled to the water passage process position. This process position
The control is performed by a cam mechanism for controlling the open / close state of the switching valve device VA.
A rotary shaft (both not shown) is driven to rotate the
The rotational position is detected by the position detecting means 33 (see FIG. 6).
It is done by putting out. Switching valve device V in water passage process
The open / close state of A is as follows: first valve V1: open, second valve V2: open,
Three valves V3: closed, fourth valve V4: closed, fifth valve V5: closed
You. Then, when the faucet (not shown) is opened, the raw water tank 5 is opened.
The raw water inside flows into the resin cylinder 1 through the raw water line 8
You. As a result, the water flow signal from the flow switch 10 is
Signal or the pressure of the pressure switch 11
The water feed pump 9 is driven by the output signal, and the raw water is
Water is passed from the lower part of 1 as upward flow. This water flow
The raw water is softened by the action of the ion exchange resin 4.
The soft water (treated water)
Water is supplied from the water outlet 12 to the faucet via the soft water line 13.
It is. In this water passage step, the third check valve G3 is prevented from acting.
From the soft water outlet 12 of the resin cylinder 1 to the raw water tank 5
The flow of treated water is blocked. Next, regeneration for regenerating the ion exchange resin 4
The control CC will be described. In this reproduction control CC
Before entering the regeneration step SS, the priming step SY of FIG.
Since it is performed for a predetermined time (for example, about several seconds to several tens of seconds)
This will be described. The switching valve device VA is
Since it is provided above or on the side of the upper part of the resin cylinder 1,
Len line 18 is piped straight down
Instead of the fifth part of the switching valve device VA from the lower part of the resin cylinder 1.
Piped upward to valve V5, then inverted and directed downward
It is structured to be piped. For this reason, drain
When the air flows into the pump 18, the head pressure difference cannot be obtained,
Raw water and wastewater pass through the drain line 18 during the regeneration process SS.
Brine may not flow smoothly. Primer
In order to eliminate such inconvenience, the reproduction process S
The route through which raw water or salt water circulates in S, especially drainage
This is a step of filling the container 18 with raw water. This priming process
The open / closed state of the switching valve device VA during SY is determined by the first valve V1:
Open, second valve V2: closed, third valve V3: open, fourth valve V4:
Open, fifth valve V5: Open. As a result, the raw water tank 5
The raw water in the tank flows to the resin cylinder 1 and the flow switch
When the signal indicating the presence of water flow from the switch 10 is output,
Or a detection signal below a predetermined pressure of the pressure switch 11 is output.
As a result, the water supply pump 9 is driven. Raw water
Circulates through the raw water line 8 and the drain line 18.
Vent the air in the passage, fill it with raw water, and
8-Resin cylinder 1 to second check valve G2 via resin cylinder 1
And the flow from the resin cylinder 1 to the third check valve G3
Fill the road with raw water. This priming process SY is performed for a predetermined time.
After that, the process proceeds to the regeneration step SS using salt water. Next, the regeneration step SS will be described.
The open / closed state of the switching valve VA in this step is shown in FIG.
Thus, the first valve V1: closed, the second valve V2: closed, the third valve V
3: Open, fourth valve V4: open, fifth valve V5: open. So
As a result, the saturated salt water in the salt water tank 6 is
It flows down by gravity through 6. On the other hand, in the raw water tank 5
Raw water flows down through the raw water flow down line 17 and the regeneration process
At the time of SS, the soft water outlet 12 which is the inlet of the regenerated liquid
Then, the saturated salt water and the raw water are mixed. Then, a predetermined concentration (about
(10%) salt water that flows down from the top of
The on-exchange resin 4 is regenerated. The salt water after regeneration is drainage
It is discharged out of the system through the inlet 18. This regeneration process SS
At this time, since the third valve V3 is open, the user at home is soft.
Open the faucet (not shown) connected to the end of the water line 13
Water flow is generated, and the water is supplied by the operation of the flow switch 10.
The water pump 9 is driven. As a result, the raw water tank 5-
Part of water line 8-bypass line 15-soft water line 1
The raw water is supplied through part of 3 so that it can support the use of water.
There is no obstacle. Then, this regeneration process SS
Run for a time (eg, about 15 minutes). That is,
Regeneration of ion exchange resin 4 is completed by flowing a fixed amount of salt water
Then, the process proceeds to the next extrusion process SO. Next, the extrusion process SO will be described.
You. FIG. 4 shows the open / closed state of the switching valve device VA in this step.
As shown, the first valve V1: closed, the second valve V2: closed, the third valve
V3: open, fourth valve V4: closed, fifth valve V5: open.
As a result, the raw water in the raw water tank 5 passes through the raw water flow down line 17.
It naturally falls through it and flows into the resin cylinder 1, where the ion-exchange tree
The salt remaining in the fat 4 is extruded and washed with water. This washing
The remaining water is discharged out of the system through the drain line 18.
You. This extrusion process SO is performed for a predetermined time (for example, about 1
20 minutes) is executed, a predetermined amount of raw water is allowed to flow down, and salt is pressed.
And complete the playback. After this regeneration is completed,
After the cleaning step SJ, the origin setting step SG is performed. Normal
In the raw control, the cleaning step SJ is not always necessary.
No. Here, the raw water during the regeneration step SS
Refilling of water from tank 5 to salt water tank 6 is based on FIG.
A description will be given below. That is, at the time of the regeneration process SS,
The saturated brine generated and stored before the regeneration process SS
It flows down through the water flow down line 16,
Raw water is supplied from the raw water tank 5 through the
It flows into the first portion 6A of the water tank 6, and the upper end of the partition 23
And flows into the second portion 6B. like this
Then, as the saturated saline water flows down, the level of the saturated saline water
Raw water is replenished as much as it decreases, but due to the specific gravity difference, it is saturated
A low concentration raw water layer is located above the saltwater layer.
The saturated brine is allowed to flow while maintaining the state relatively.
The water level control in the salt water tank 6 by this replenishment is performed by the raw water tank.
This is performed by the operation of the water level control device 19 of the
Inflow to the predetermined water level LW above 1 and salt dissolves in raw water
This generates and stores saturated brine during regeneration. Final
Will be saturated brine for a while after the regeneration control CC ends.
(For example, about 12 hours). Next, the cleaning control CD will be described.
Referring to FIG. 8, step S1 (hereinafter, Sx
Means step Sx. ), Flow switch 1
Based on 0, it is determined whether there is a water flow. Where NO
If it is determined, the process proceeds to step S2, and the water flow is stopped for a period of time.
Starts counting and moves to step S3, where no water flow is determined.
Time (for example, 24 hours)
If the determination is NO, the process returns to step S1. Thus,
When water flow is counted continuously for a predetermined time, step
The process proceeds from S3 to the cleaning step SJ.
The process position is detected, and the cleaning process SJ is performed, for example, for about 5 minutes.
Execute. The execution of the cleaning step SJ will be described.
You. Opening / closing state of the switching valve device VA during the cleaning step SJ
As shown in FIG. 5, the first valve V1: closed, the second valve V2:
Open, third valve V3: open, fourth valve V4: closed, fifth valve V5: open
It is said. As a result, the raw water in the raw water tank 5 is
Flow switch 10 or pressure associated with flowing down 8
The operation of the switch 11 drives the water supply pump 9.
You. The raw water in the raw water tank 5 is sucked and discharged by the water supply pump 9.
Part of raw water line 8-bypass line 15
-Part of the soft water line 13-Resin cylinder 1-Drain line 18
Flow through a washing channel consisting of Thus, the water supply pump 9
Of raw water supplied to the resin cylinder 1 per unit time by the action of
Is larger than at the time of the extrusion process SO (for example,
(Approx. 15 times), the residual water in the resin cylinder 1 is quickly discharged out of the system.
It is. When the cleaning step SJ is completed, step S
Move to 4 and clear the count of the accumulated time without water flow
Then, the process proceeds to the origin setting step SG. Here, the water
This is a standby process that can be performed. Also, in step S1
If YES is determined, the process proceeds to step S5, where there is no water flow.
Clear the count of the integration time of. Using the ion exchange resin 4 as in this embodiment
The water softening device was not used for a long time
The ion exchange resin 4 in the resin cylinder 1
The organic matter having a slight color and odor is the residual water in the resin cylinder 1.
Melting out to Also, if the raw water in the raw water tank 5 is long
If it is not used for a while and stored,
What is the cause of unfavorable hygiene conditions such as propagation of various bacteria?
Raw is also conceivable. However, the cleaning step SJ is performed.
By doing so, the residual water in the resin cylinder 1 can be quickly discharged.
And the raw water in the raw water tank 5 is rushed out of the system.
The water can be discharged quickly, and these problems can be solved
There is an effect that can be quickly shifted to. In the above embodiment, the following control
It can also be performed. That is, control
The device C (see FIG. 6) includes a battery (not shown),
The clock function can be continued even when power is on. Also, the current time, during playback
Setting procedure to set the playback cycle (cycle for performing playback control)
It has a step. Also, even if you do not set these,
Default values of time and playback cycle (initial setting values) are set.
It is. Also, when the playback time comes, if there is a power outage,
Regeneration control is performed when power is restored, and if a power failure occurs during regeneration,
Regeneration is continued after power recovery. In addition, a manual regeneration switch
(Not shown), and when this switch is operated, forced
The reproduction control is executed. Next, another embodiment of the present invention will be described with reference to FIG.
A description will be given below. In this embodiment, the first embodiment of FIG.
The difference from the embodiment is that the water supply pump 9 is connected to the outlet side of the resin cylinder 1.
The point provided in the soft water line 13 is that
Branches from the outlet side of the water pump 9 to the upper part of the resin cylinder 1
A raw water line 50 is provided, and a sixth valve V
6, the flow path in the washing step SJ is connected to the raw water tank.
5-Part of raw water line 8-Bypass line 15 (third valve
V3) (part of the soft water line 13 (feed water pump 9)
Including)-Raw water line 50-Resin cylinder 1-Drain line 18
This is a point that the cleaning channel is made of In addition, priming
In that the flow path in step SY is the same as the cleaning flow path.
is there. The pressure switch 11 and the flow switch 1
0 is provided on the outlet side of the water supply pump 9. Note that FIG.
Here, the same components as those in FIGS. 1 to 5 are denoted by the same reference numerals.
The description is omitted. In this embodiment, the water supply step and the regeneration step S
S, first valve V of switching valve device VA in extrusion process SO
The open / close state of the first to fifth valves V5 is the same as in FIGS.
Therefore, the sixth valve V6 is closed in each step. Also, cleaning
FIG. 9 shows the open / closed state of the switching valve device VA at step SJ.
Thus, the first valve V1: closed, the second valve V2: closed, the third valve V3:
Open, fourth valve V4: closed, fifth valve V5: open, sixth valve V6: open
It is said. As a result, the raw water in the raw water tank 5 is
Flow switch 10 or pressure associated with flowing down 8
The operation of the switch 11 drives the water supply pump 9.
You. The raw water in the raw water tank 5 is sucked and discharged by the water supply pump 9.
Part of raw water line 8-bypass line 15
-Part of the soft water line 13-Raw water line 50-Resin cylinder 1-
It flows through the washing flow path composed of the drain line 18. Like this
Then, the cleaning step SJ is executed in the same manner as in the first embodiment.
In addition, the open / close state of the switching valve device VA during the priming process SY.
Is the first valve V1: closed, the second valve V2: closed, the third valve V3:
Open, fourth valve V4: open, fifth valve V5: open, sixth valve V6: open
It is said. The present invention is not limited to the above embodiment.
It is not described in the section of the embodiment of the invention.
As shown in the figure, the direct pressure of the raw water
Can also be applied to a soft water system in which
You. In this case, install a pump upstream of the raw water supply line
It is necessary to secure the water pressure of the raw water supply line
You. This embodiment will be described with reference to FIG. This practice
In the example, the difference from the first embodiment of FIG.
Raw water line in the water flow path without providing pump 9
8 is directly connected to the raw water supply line 20 to perform the cleaning process SJ.
Flow path in the raw water supply line 20-part of the raw water line 8
-Bypass line 15 (including third valve V3)-Soft water line
Washing consisting of a part of the resin 13-the resin cylinder 1-the drain line 18
The point is that it is a purification channel. Note that in FIG.
The same components as those in 1 are denoted by the same reference numerals and description thereof is omitted.
You. In this embodiment, the water supply step and the priming step S
Y, regeneration process SS, extrusion process SO, cleaning process SJ
Of the first valve V1 to the fifth valve V5 of the switching valve device VA
Since the state is the same as in FIGS. 1 to 5, the description is omitted. [0034] As described above, according to the present invention, the processing
Washing with a large flow rate of raw water per unit time supplied to the container
The cleaning process enables the processing vessel to be cleaned in a short time.
Substances with color and odor dissolve out of the treated material
Even if it does not mix this into the treated water,
Can be transferred to the water flow process for soft water for domestic use.
Very effective as a device.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a configuration diagram of a household water softener showing a water passage step in one embodiment of the present invention. FIG. 2 is a configuration diagram of a household water softener showing a priming process in one embodiment of the present invention. FIG. 3 is a configuration diagram of a household water softener showing a regeneration step in one embodiment of the present invention. FIG. 4 is a configuration diagram of a household water softener showing an extrusion step in one embodiment of the present invention. FIG. 5 is a configuration diagram of a household water softener showing a cleaning step in one embodiment of the present invention. FIG. 6 is a diagram showing an electrical schematic configuration according to an embodiment of the present invention. FIG. 7 is a flowchart illustrating a control procedure by a control device according to an embodiment of the present invention. FIG. 8 is a flowchart illustrating another control procedure performed by the control device according to the embodiment of the present invention. FIG. 9 is a configuration diagram of a household water softener showing a cleaning step in another embodiment of the present invention. FIG. 10 is a configuration diagram of a household water softener showing a water passage step in another embodiment of the present invention. [Description of Signs] 1 Resin cylinder 4 Ion exchange resin 5 Raw water tank 6 Salt water tank 8 Raw water line 9 Feed water pump 10 Flow switch 13 Soft water line 16 Salt water falling line 17 Raw water falling line 18 Drain line C Controller V1 to V5 First valve ~ Fifth valve VA switching valve device

──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Yoshiyuki Fukuoka 7-7 Horie-cho, Matsuyama-shi, Ehime Miura Kogyo Co., Ltd. (56) References JP-A-7-265850 (JP, A) 19892 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) C02F 1/42 B01J 47/00-49/02

Claims (1)

(1) Claims: (1) When a predetermined amount of a water-passing step of flowing raw water through a water supply passage including a processing vessel containing a processing material and a processing water line is executed, the raw water is converted into the raw water line. , Drain line
A priming step of circulating sequentially through a priming channel, a regeneration step of circulating a regenerating solution through a regeneration channel including a processing vessel and a drain line, and an extrusion of circulating raw water through an extrusion channel sequentially including a processing vessel and a drain line. The process is performed sequentially,
In a domestic soft water device that performs control to return to the water passing step, a washing step is provided in which the flow rate of raw water per unit time is increased from that in the extrusion step and the raw water flows through a washing flow path including a processing vessel and a drain line sequentially. When detecting that the flow of the raw water or the treated water treated by the treatment container in the water passage is not longer than a predetermined time, the water softening device is shifted to a water flowing process after performing the washing process. Control method.