JP3133566B2 - Dry cleaner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dry cleaner which performs a washing process such as washing, dewatering and drying of clothes and the like in the same rotating drum using a solvent.

[0002]

2. Description of the Related Art In general, a dry cleaner of this type has a built-in tank for storing a solvent. The following measures are taken. 1. Connect the prepared solvent drum to the pipe connected to the pump P with a built-in dry cleaner, and supply the solvent from the drum to the tank by the pump. 2. Pour the solvent through the clothes inlet of the dry cleaner into a filter such as a drum or button trap, and supply the solvent to the tank through the solvent circulation path using the built-in pump. 3. Supply solvent to drum or filter with external pump,
Refill the tank with the built-in pump.

[0003]

In the replenishment of the solvent by such means, it is known to the user that when the tank is directly replenished, it becomes full on the display scale or the like of the tank. Alternatively, when replenishing the filter, there is a problem that the replenishment amount depends on the sense of the user because the replenishment amount does not directly correspond to the scale display on the tank, and it is difficult to supply an appropriate amount of solvent. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a dry cleaner that can accurately supply a solvent from a drum side to a tank with a simple configuration.

[0004]

According to the present invention, there is provided a dry cleaner comprising: an outer tub capable of directly supplying a washing solvent from the outside; an outer tub accommodated in the outer tub ; A rotating drum that allows the flow of solvent between the outer tub, a washing solvent circulation path for collecting the washing solvent in the rotating drum through the outer tub and returning the washing solvent to the rotating drum; A washing solvent tank for receiving the washing solvent and supplying the washing solvent to the outer tub, and being provided in the circulation path, circulating the washing solvent in the circulation path, and replenishing the outer tub from outside. Replenished washing solvent to the tank,
A pump for removing the solvent from the tank to the outer tank; a first solvent amount sensor for detecting whether or not the solvent is present in the outer tank; and a second sensor for detecting whether or not the solvent in the tank is full. A solvent amount sensor, a solvent supply key set to enable the first and second solvent amount sensors to operate, and a sound when the second solvent amount sensor detects the full amount of the solvent in the tank. Sounding means and the first
If the solvent amount sensor detects that solvent is present
, The means for determining the solvent supply from outside is performed on the outer tub, when the solvent supply from the outside is determined to be made to the outer tub, the outer tub of When the pump is driven to transfer the solvent to the tank, the second solvent amount sensor detects the full amount, and the sounding means sounds, the pump is driven until the solvent in the outer tank becomes empty. And means for stopping the operation.

[0005]

According to the present invention, when the solvent is supplied from the drum side to the tank, it is possible to supply the solvent to the tank accurately by a full amount.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to the drawings showing the embodiments. 1 is an external perspective view of a dry cleaner according to the present invention, and FIG. 2 is a piping diagram for supplying a solvent.
1 and 2, reference numeral 1 denotes a frame forming a housing, 2 denotes an outer tank housed in the frame 1, 3 denotes a drum rotatably disposed in the outer tank, and 4 denotes a drum disposed in the frame 1. The solvent storage tank that has been removed, the button 5 also removed from the clothing,
It is a filter for removing other refuse. Outer tub 2
Button at the same level as the solvent pool 2a at the bottom
Filter 5 such traps are continuously provided, this filter 5 are attached is the liquid level float switch SW _1, the liquid level off
Roth detecting fluid level switch SW ₁ is in the amount of solvent in the filter 5
In addition, the amount of the solvent in the outer tank 2 is indicated.
The liquid level float switch SW ₁ is used to empty the solvent in the filter 5.
Turns off when it reaches, and keeps on when there is even a little solvent
I do. The drum 3 is provided with a solvent circulation path 6 with a drain valve V ₁ , a pump P, a liquid supply valve V ₂ , and a filter F interposed on the way including the filter 5.

[0007] Between the circulation path 6 and the tank 4, pipes 7, 8 having a tank inlet valve V ₃ and a tank outlet valve V _{4 provided} on the way upstream and downstream of the pump P, respectively, are connected. Have been. Also outside the point of attachment to the circulation path 6 and the flow path 8
Part One end of the solvent supply line 9 to the manual valve V ₅ is interposed for performing solvent supply is connected from the other end thereof adapted to be connected to a solvent drum cans and the like. The tank 4 float switch SW ₂ for detecting the full amount of the solvent amount is provided. Solvent of the float switch SW ₂ is tank 4
Turns on when the battery is full, and sounds the buzzer 14 (see Fig. 3).
On the other hand, it turns off if it decreases a little from full. Other Figure 1
In the figure, reference numeral 10 denotes an operation panel, and reference numeral 11 denotes a door provided at the clothes input port. The start key (external
Key to start solvent supply from drums, etc.), front
Serial liquid level float switch SW _1, the float switch SW ₂
A keyboard 12, a display device 13, a buzzer 14, and other display lamps, such as a solvent replenishment key, which can be operated, are provided.

[0008] Figure 3 is a block diagram showing the drum drive and a solvent supply control system of the dry cleaner, reference numeral 21 denotes a microcomputer, 22, 23 is an input-output control circuit inter
Face . The microcomputer 21 has a keyboard 12 and various display devices 13 via an interface 22, and a buzzer 14 for notifying the amount of the solvent in the tank 4 via an interface 23, a drum forward drive circuit 26, and a drum reverse drive. circuit 27, the drum frequency converting circuit 28, the pump P, the control circuit of each valve, liquid level float switch SW _1, a tank attached float switch SW _2, drain valve V
_1, liquid supply valve V _2, the tank inlet valve V _3, the tank outlet valve V ₄
Etc. are connected.

Next, the operation of the dry cleaner according to the present invention will be described. During washing , the tank inlet valve V ₃ , the tank outlet valve V ₄ , and the solvent supply manual valve V ₅ are closed, and the drain valve V ₁ ,
Solvent <br/> agent by driving the pump P with open liquid supply valve V ₂ is circulated in the circulation path 6 in the arrow direction. Washing by this
During rinsing, the solvent was constantly circulated through filter F and
Garbage and the like are removed. To supply the solvent from the tank 4 to the outer tank 2, the solvent is removed from the tank 4 by opening the tank outlet valve V ₄ and the liquid supply valve V ₂ and driving the pump P by operating the solvent supply key with the other closed. It is supplied into the tank 2. In the tank 4
Solvent amount (full amount or not) is the on float switch SW _2,
When off, the amount of solvent in the outer tank 2 (whether empty or not) is
Funnel switch SW ₁ off, are respectively detected on.
Further supplementation of the solvent to the tank 4 opens solvent supply manual valve V _5, the tank inlet mouth valve V _3, start key in a closed state other
When the pump P is driven by the operation , the solvent is supplied to the tank 4 from a solvent drum (not shown) or the like, and the amount of the solvent in the tank 4 is reduced.
There float switch SW ₂ is turned on reaches to the full amount, the end buzzer sounding.

[0010] Solvent is directly filtered by opening the filter 5 or the door 11
The replenishment into the outer tank 2 is performed as follows. It is assumed that the amount of the solvent in the tank 4 has decreased to a certain level (less than the full amount). The solvent in the outer tank 2 is evaporated.
Empty during standby except during washing to prevent weight loss due to
It has become. Replenishment of the solvent, a filter 5 or directly the outer tub 2
If done within the liquid level float switch SW ₁ which had been attached to the filter 5 is turned on (in which an off if the solvent in the filter 5 is empty) from off. Recognizes that this microcomputer 21 shown in FIG. 3 which is solvent rather than to the tank 4, which is directly complement feed to filter 5 or the outer tub 2. Meanwhile, the solvent is supplied into the tank 4.
If the liquid level float switch SW ₁ is turned off,
Yes, and the float switch SW ₂ is off unless it is full
Therefore, it is recognized that the tank 4 is being replenished.

[0011] The microcomputer 21 is a filter 5 or a straight
Discharge to recognize complement supply of solvent to the contact outside the tank 2 the liquid valve V _1, to open the tank inlet valve V _3, and drives the pump P in the closed state of the other, Yuku transferred the solvent to the tank 4. This float switch SW ₂ of the tank 4 is turned on continuously, ringing a buzzer 14 to inform the full amount Then, soluble to filter 5 or the outer tub 2
Agent replenishment stop, filter 5 when the solvent remains in the filter 5 or the outer tub 2, to continue driving of the pump P to the solvent in the outer tub 2 is empty, the liquid level float Switch SW ₁
Is turned off , the pump P also stops. The contents of tank 4
The amount is on a float switch SW ₂ is, even if ringing is terminated buzzer becomes full amount, which can further filter 5 and, accommodating the solvent amount you corresponds to batch of usage from the outer tank 2 Leave some room for it. In this way, the solution in the filter 5 and the outer tank 2 is removed.
It is necessary to leave this area empty in a closed structure
To prevent solvent evaporation and weight loss.
is there.

Next, a description will be given with reference to flowcharts shown in FIGS. After putting clothes and the like into the drum 1 and pressing the start button, an initialization process is performed (step S1).
Then, it is determined whether or not the solvent supply key has been operated (step S2). If the solvent supply key operation has been performed, it is determined whether or not the float switch SW ₂ attached to the tank 4 is turned on (turned on when the tank is full) (step S).
3) If the float switch SW ₂ is turned on to sound the completion buzzer (step S4). Whether the liquid level float switch SW ₁ of the filter attached is turned off, i.e., to determine air or not (step S5), and when empty (Switch
SW ₁ stops pump P is turned off) (step S6), and a closed (step S7 tank inlet valve V _3), close the drain valve V ₁ (step S8).

On the other hand, in step S3, the tank 4
If the float switch SW ₂ of the inner is not ON to determine whether the liquid level float switch SW ₁ is turned on (step S10). When the liquid level float switch SW ₁ is on
(If filter is not empty) case, open the drain valve V ₁ (stearyl
-Up S12), it opens the tank inlet valve V ₃ (step S13), and port
The pump P is driven (step S14), and the solvent in the outer tank 2 is removed.
To the tank 4.

[0014]

[0015] If the liquid level float switch SW ₁ in the determination at step S10 is not on (filter is empty
The some cases), the process proceeds to step S18 in FIG. 6, key for solvent replenishment from start key (external) is equal to or been operated (step S18). If the start key has been operated to open the tank inlet valve V ₃ (step
S20), a closed (step S21 drain valve V _1), and drives the pump P (step S22), and returns to step S3.

Furthermore stops pump P when the start key is not operated in the determination at step S18 (step S23), it closes the tank inlet valve V ₃ (step S24), and
Close the drain valve V ₁ (step S25), and returns to step S3.

[0017]

As described above, according to the present invention, the external
When supplying the solvent, it is recognized whether the solvent is supplied to the tank or the outer tank based on the detection result of the first solvent amount sensor that detects the amount of the solvent in the outer tank. and, transfer the solvent from the outer tub to the tank side when a supply of the solvent to the outer tub
However, when the amount of the solvent in the tank is detected to be full, the pump in the outer tank is emptied and then the pump is automatically stopped, so that the solvent can be supplied accurately and quickly.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a dry cleaner according to the present invention.

FIG. 2 is a diagram of a solvent supply piping system of the dry cleaner according to the present invention.

FIG. 3 is a block diagram showing a main control system of the dry cleaner according to the present invention.

FIG. 4 is a flowchart showing a solvent supply control procedure of the dry cleaner according to the present invention.

FIG. 5 is a flowchart showing a solvent supply control procedure of the dry cleaner according to the present invention.

FIG. 6 is a flowchart showing a solvent supply control procedure of the dry cleaner according to the present invention.

[Explanation of symbols]

1 Frame 2 Outer tank 3 Drum 4 Tank 5 Filter 6 Circulation path 7,8 Pipe line 21 Microcomputer 22,23 Interface V ₁ Drain valve V ₂ Supply valve V ₃ Tank inlet valve V ₄ Tank outlet valve P Pump SW ₁ Float switch SW ₂ Float switch

Claims (1)

(57) [Claims] 1. An outer tub capable of directly replenishing a washing solvent from the outside, a garment stored in the outer tub, into which clothes are fed , and a solvent flowing between the outer tub and the outer tub. A rotating drum, a washing solvent circulation path for collecting the washing solvent in the rotating drum through the outer tub and returning the washing solvent to the rotating drum, receiving the washing solvent through the outer tub, and washing the outer tub with the washing solvent. A tank of a washing solvent for supplying a solvent, provided in the circulation path, circulates the washing solvent in the circulation path, and replenishes the tank with the washing solvent supplied to the outer tub from the outside, A pump for removing the solvent from the tank to the outer tank; a first solvent amount sensor for detecting whether or not the solvent is present in the outer tank; and a second sensor for detecting whether or not the solvent in the tank is full. Operable with the first and second solvent amount sensors A solvent replenishment key that is set to: a sounding means that sounds when the second solvent amount sensor detects the fullness of the solvent in the tank; and a first solvent amount sensor during external solvent supply . Detected presence of solvent
If, means for determining a solvent supply from outside is performed on the outer tub, when the solvent supply from the outside is determined to be made to the outer tub, the outer tub Drive the pump to transfer the solvent to the tank,
Means for driving the pump until the solvent in the outer tub becomes empty and stopping the pump when the sounding means detects the full amount and the sounding means sounds, a dry cleaner characterized by the above-mentioned. .