JP3091605B2 - Clothes dryer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a commercial clothes dryer which is operated by inserting coins.

[0002]

2. Description of the Related Art Coin-driven clothes dryers in which driving and driving conditions are set according to the number of coins inserted and the number of coins inserted have become widespread. However, there are many cases where operation can be performed free of charge at a place of use, such as a compound benefit facility. In this case, a manual method of manually starting the driving and setting the driving conditions is required. However, the conventional coin-driven clothes dryer cannot cope with this, and the manual operation of the clothes dryer is not possible. There was a problem that a clothes dryer with specifications had to be prepared. In addition, when such free operation is enabled, there is a problem that a careless operation may be performed for a long time. SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a clothes dryer capable of easily performing a manual operation using a conventional coin-type clothes dryer.

[0003]

SUMMARY OF THE INVENTION A clothes dryer according to the present invention comprises a clothes dryer having a drum for accommodating clothes, the drying operation of which is driven by a currency substitute or a card or by a manual method. To be able to drive each , clothing
Switch off by the dryer administrator or serviceman
Exchange means and the currency substitute or currency by the switching means.
If the method of driving with
Insert the currency substitute or card to start the turnover
Circuit for determining the presence or absence of
Is selected, the drive for the drying operation is manually opened.
Start button operated by user to start
And the following.

[0004]

According to the present invention, by operating the switching means, the driving and operating conditions can be set by either the coin-driven type or the manual type. It is possible to use a conventional coin-driven type, and various modes of use are possible.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to the drawings showing the embodiments. (Embodiment 1) FIG. 1 is a front view showing the structure of a dryer according to the present invention, FIG. 2 is a rear view of the same, and FIG.
Reference numeral 3 denotes an upper and lower drying chamber, and reference numeral 4 denotes an operation panel for the upper and lower drying chambers. Each of the drying chambers 2 and 3 is provided with an outer tub and a drum (not shown) pivotally supported in the outer tub, and a clothing inlet for the drum is provided on a front surface of each of the drying chambers 2 and 3. The doors are opened and closed by doors 2a and 3a, respectively.

The operation panel section 4 includes upper and lower drying chambers 2,
3, a coin insertion slot 4a for operating the coin 3 and a display 4b for displaying the amount of coins inserted, start buttons 4c, 4d for the upper and lower drying chambers 2, 3, and operation remaining for the drying chambers 2, 3 The time indicators 4e and 4f are provided with in-service indicator lamps 4g and 4h for indicating that the apparatus is in a operable standby state. Each display 4b, 4e, 4f is composed of a 7-segment numeric display tube, LED or the like.

As shown in FIG. 2, pulleys 5 and 6 are provided on the rear shafts of the rotating drums in the drying chambers 2 and 3, and the pulleys 5 and 6 are connected to a motor M ₁ via belts 7 and 8, respectively. , M
₂ are connected to pulleys 9 and 10 provided on the output shaft of the motor _2. The forward and reverse rotations of the motors M ₁ and M ₂ rotate the drum forward and backward.
It is designed to be rotated in reverse. Others 12 and 13 are heaters, and the heated air is introduced into the drum by fans driven by the motors M ₃ and M ₄ , and is discharged rearward from the exhaust ports 14 and 15. .

FIG. 3 is a block diagram showing a main control system of the present invention. In FIG. 3, reference numeral 21 denotes a microcomputer. The microcomputer 21 receives the coin insertion information from the coin switch circuit 23, the door opening / closing information from the door switch 24, the presence or absence of reset or reset release from the reset switch 25, the switch setting information from the dip switch 26, and further to the drum. Thermistor installed at the air inlet
27, respectively temperature information from the thermistor 28 provided to the air outlet from the drum, taking each pulse information corresponding the rotational speed detector 29 to the rotational speed of the motor M _1, M _2. Also, the respective information from the backup detection circuit 31 and the power failure detection circuit 32 is
A driving power supply is supplied from a power supply circuit 33 connected to a commercial power supply 34, and a clock is further supplied from a clock oscillation circuit 30.

[0009] Then, based on the captured information,
The microcomputer 21 is interposed the load driving circuit 35 by forward rotation to the drum driving circuit 37, a reverse rotation instruction, also driving the respective fan motor M _3, M _4, a stop command, further igniter 39, gas valve 40 and A command for controlling the temperature of the air to be blown into the drum is output to the safety valve 41, and the amount of coins inserted, the remaining operation time, and an error display when a trouble occurs are displayed on the display 22 (4b, 4e, 4f). It is designed to be displayed.

The dip switch 26 is provided on a control board together with the microcomputer 21 and the like, and can be set by an administrator of a clothes dryer or a service person.
Each of the upper and lower drying chambers 2 and 3 can be switched between a coin driven type and a manual type, and in the case of a manual type, the longest operating time is reduced to a short time (about one hour). ) And long-time operation (about 10 hours). For example, if the operation is performed for 1/2 to 1/3 of the rated capacity for a long time, the clothes will be over-dried, the temperature of the clothes will increase, and the clothes may be damaged. Would be desirable. Detailed setting of the operation time for each of the upper and lower drying chambers 2 and 3 is set by operating the start buttons 4c and 4d, respectively.

FIG. 4 is an explanatory view showing an example of a setting mode of the operation time. Each square shows an operation time indicator 4e for the upper drying chamber 2. First, when the start button 4c is pressed, a display of, for example, 15 minutes appears on the display 4e. When the start button 4c is released, the display on the display 4e is set to 15 minutes. When the start button 4c is pressed again, a display of 30 minutes with 15 minutes added appears on the display 4e. Then, after 2 seconds elapses after pressing and holding the start button 4c, 1 minute is added when 0.2 seconds elapses, and a display of 31 minutes appears on the display 4e.
After an additional 0.2 seconds, one minute is added, and a display of 32 minutes appears on the display 4e. Thereafter, a value added by one minute every 0.2 seconds appears on the display 4e. When the start button 4c is released, the value of the display 4e becomes the set value at that time.

When the start button 4c is pressed again, a value of 47 minutes, which is obtained by adding 15 minutes to the display value of the display 4e at that time, is displayed. If the user releases the start button 4c, 47 minutes remain displayed on the display 4e. Start button 4c again
Pressing again gives a value obtained by adding 15 minutes to 47 minutes, but at this time, if the longest operation time is set, for example, 1 hour by the dip switch 22, 62 minutes exceeds 1 hour Since the value becomes the value, the display 4e remains displayed for one hour, and further increase in the operation time is prevented by operating the start button 4c.

When the start button 4c is once released after the display for one hour is made, and then the start button 4c is pressed again, the display on the display 4e is erased. Start button 4c
Is released, the display on the display 4e remains erased. If the start button is pressed again, the display returns to the beginning and a display of 15 minutes is displayed on the display 4e. Note that the longest operation time is 9
If the time is set to 59 minutes, press the start button 4c
The time from 15 minutes to this time can be set in units of one minute. The setting of the operating time for the lower drying chamber 3 is performed in the same manner as in the case described above.

FIGS. 5 and 6 are flowcharts showing the processing steps of the clothes dryer according to the present invention. First, when the power is turned on (step S1), it is determined whether or not the test mode is set (step S2). If the test mode is set, the test program is executed (step S3). If the mode is not the test mode, the setting information of the DIP switch 26 is fetched (step S4), and a standby state is set (step S5).
Judge whether coin specification (coin driven type) or not (step
S6) If the coin specification, it is determined whether there is a coin signal (coin insertion signal) (step S7), if not, return to step S5, if there is a coin signal, the number of coins inserted The driving is started with the contents set by (step S8).

If it is determined in step S6 that the coin is not coin specification, it is determined whether or not it is manual specification (step S9).
If it is not the manual specification, the process returns to step S5.If it is the manual specification, it is determined whether or not the start button 4c is pressed (step S10) .If the start button 4c is not pressed, the process returns to step S5. Returning to step S11, if it has been pressed, it is determined whether the start button 4c has been pressed for two seconds or more (step S11). If the start button 4c is pressed for 2 seconds or more, it is determined whether the maximum time has been reached (step S12). If the maximum time has been reached, the display time is set to 0 (step S13), and the maximum time has been reached. If not reached, addition is performed for one minute every 0.2 seconds after 2 seconds (step S1).
Four).

If it is determined in step S11 that the start button 4c has not been pressed for more than 2 seconds, the set time is displayed on the display 4e and the operation is started (step S1).
Five). It is determined whether or not the start button has been pressed (step S16). If the button has not been pressed, the process returns to step S10.
It is determined whether or not the longest operation time is set (step S17). If it is set, for example, 9 hours 59
It is determined whether or not the number of minutes has been reached (step S18). If the longest operation time has not been set, it is determined whether or not one hour has been reached (step S20). 9 in the judgment of step S17
If the time has reached 59 minutes, it is set to 9 hours and 59 minutes, and the process returns to step S16. If it is determined in step S20 that the time has not reached one hour, the process proceeds to step S18. If the time has reached one hour, the time is set to one hour (step S21).
It returns to step S16.

(Embodiment 2) FIG. 7 is a front view showing the configuration of Embodiment 2 of the present invention. In the second embodiment, the operation panel unit 4 includes a coin insertion slot 4a for driving the upper and lower drying chambers 2 and 3, a coin insertion slot 4a, and a display 4b of the coin insertion amount.
Start button 4 for each of the upper and lower drying chambers 2 and 3
c, 4d, indicators 4e, 4f for displaying the operation time, in-operation indicator lamps 4g, 4h indicating that the apparatus is in a operable standby state
, Use stop lamp 4 that indicates that the machine is in use stop state
i, 4j. The indicators 4e and 4f for displaying the operation time also serve as error indicators when a trouble occurs. Other configurations are substantially the same as those of the first embodiment, and corresponding portions are denoted by the same reference numerals and description thereof is omitted.

FIG. 8 is a block diagram showing a control system according to a second embodiment of the present invention. In the figure, reference numeral 51 denotes a microcomputer. The microcomputer 51 detects the insertion of coins and emits a signal.
Switch 53 for stopping the use of, use switch 54 for stopping the use of the lower drying chamber 3, start button 4c for starting the operation of the upper drying chamber 2, start for starting the operation of the lower drying chamber 3 A signal is taken from the button 4d to output a control signal to an output interface 58 for the upper drying chamber 2 and a control signal to an output interface 59 for the lower drying chamber 3, respectively, indicating that the upper drying chamber 2 is ready for use. The middle lamp 4g, the operating lamp 4h of the lower drying room 3, the stop lamp 4i of the upper drying room 2 and the stop lamp 4j of the lower drying room 3 output a light-on or light-off signal, respectively, and the coin shutter 60 is further opened. , And outputs a control signal to cause the displays 4b, 4e, and 4f to perform respective displays.

The use stop switches 53 and 54 are configured as dip switches provided on a control board together with the microcomputer 51 and the like, and are housed in the operation panel 4. The upper drying room 2 and / or the lower drying room 3 are in a suspended state by the setting of the clothes dryer manager, a service person or the like for these use suspension switches 53 and 54, that is, the use suspending switch 53 of the upper drying room 2 and the lower drying room. 3 is turned on, and the start buttons 4c and 4d of the upper and lower drying chambers 2 and 3 are pressed.
Can be set so that it does not operate.

In this case, the microcomputer 51
Lights the use stop lamp 4i of the upper drying room 2 and the use stop lamp 4j of the lower drying room 3 respectively. When both the upper and lower drying rooms 2 and 3 stop using, the coin shutter 60 is further turned on. Is operated to shield the coin slot 4a so that coins cannot be inserted.

Next, the processing contents of the second embodiment will be described with reference to the flowcharts shown in FIGS. When power is turned on
(Step S1) It is determined whether or not the stop switch 53 of the upper drying chamber 2 is turned on (Step S2). If not, the operating lamp 4g of the upper drying chamber 2 is turned on.
(Step S3) If it is on, the use stop lamp 4i of the upper drying chamber 2 is turned on (Step S4), and it is determined whether or not the use stop switch 54 of the lower drying chamber 3 is on ( Step S5) If not turned on, turn on the operating lamp 4h of the lower drying chamber 3 (Step S6), and if turned on, stop using lamp of the lower drying chamber 3
4j is turned on (step S7), and it is determined whether or not the use stop lamps 4i, 4j of the upper and lower drying chambers 2, 3 are turned on (step S8).

Lamps for stopping use of drying chambers 2 and 3 in upper and lower stages
If both 4i and 4j are not turned on, it is determined whether or not a coin has been inserted (step S9). If a coin has been inserted, the start button 4c of the upper drying chamber 2 is determined.
It is determined whether or not is pressed (step S10). If it is pressed, it is determined whether or not the upper drying chamber 2 is open (step S11). If it is determined in step S8 that the use stop lamps are turned on in both of the upper and lower drying chambers 2 and 3, the coin shutter is operated (step S12), and the process returns to step S8.

If it is determined in step S10 that the start button 4c of the upper drying chamber 2 has not been pressed, it is determined whether the start button 4d of the lower drying chamber 3 has been pressed (step S13). If so, it is determined whether or not the lower drying chamber 3 is open (step S14). If it is determined that the business is not open in step S11, step S10
Then, if the business is in operation, the operation of the upper drying chamber 2 is started (step S15). On the other hand, if it is determined in step S14 that it is not operating, the process returns to step S10. If it is operating, the operation of the lower drying chamber 3 is started (step S16).

After the operation of the upper drying chamber 2 is started in step S15, it is determined whether or not the count value of the subtraction counter for the upper drying chamber is 0 (step S17). Operation is terminated (step S18), and
If not, the operation is continued (step S19). It is determined whether a trouble has occurred in the upper drying chamber 2 (step
(S20), if no trouble has occurred, step S17
Return to the above, and if a trouble has occurred, turn on the error display for the upper drying chamber 2 (step S21), turn off the operating lamp 4g for the upper drying chamber 2, and use the upper drying chamber 2 again. The stop lamp 4i is turned on (step S22).

On the other hand, after the operation of the lower drying chamber 3 is started in step S16, it is determined whether or not the count value of the subtraction counter for the lower drying chamber 3 is 0 (step S23).
In the case of, the operation of the lower drying chamber 3 is ended (Step S2
4) If it is not 0, the operation is continued (step S2
Five). It is determined whether a trouble has occurred in the lower drying chamber 3 or not.
(Step S26) If no trouble has occurred, the process returns to Step S23. If a trouble has occurred, the error display for the lower drying chamber 3 is turned on (Step S2).
7), turn off the operating lamp 4h for the lower drying room 3 and turn on the use stop lamp 4i for the lower drying room 3 (step S2)
8).

In the second embodiment, when a serviceman is called due to the occurrence of a trouble, but cannot be dealt with immediately because a service component is required depending on the nature of the trouble, conventionally, one of the provisional instructions is dried. Room 2 or 3
Even if it can be used, it is necessary to stop the use by turning off the power to the entire clothes dryer and also in this case, if you accidentally insert a coin, it will be accepted as it is and it may cause trouble with the user In the second embodiment, however, the serviceman has trouble due to the setting of the use stop switches 53 and 54 which are configured as dip switches. The use can be selectively stopped, and the user can be alerted by indicating that the use is stopped using the lamps 4i and 4j. Only when the use of 3 is stopped, or when one of the drying chambers is stopped and the other drying chamber is in trouble and an error is displayed, the coin shutter 60 is operated and the insertion of coins is not accepted. Trouble occurrence by and also so that the can be prevented.

In the above-described embodiment, the configuration for selecting between the coin driven type and the manual type has been described. However, the present invention is not limited to this. For example, currency substitutes (Token coins, prepaid cards), other credit cards, IC cards, etc. It is also possible to adopt a configuration in which a driving method using a variety of cards and a manual method are selected.

[0028]

As described above, in the dryer according to the present invention, it is possible to selectively perform the drying operation by a method driven by a currency substitute or a card or a manual method by the switching means. Even if free operation is permitted depending on the place of use, it is possible to easily respond by using a conventional clothes dryer such as a coin-driven type or a card-driven type, and an excellent effect that the versatility of the clothes dryer itself is enhanced. Things.

[Brief description of the drawings]

FIG. 1 is a front view showing a configuration of a first embodiment according to the present invention.

FIG. 2 is a rear view showing the configuration of the first embodiment according to the present invention.

FIG. 3 is a block diagram showing a configuration of a main control system.

FIG. 4 is an explanatory diagram showing a setting example of an operation time.

FIG. 5 is a flowchart showing a processing procedure.

FIG. 6 is a flowchart showing a processing procedure.

FIG. 7 is a front view showing the configuration of the second embodiment.

FIG. 8 is a block diagram showing a configuration of a control system.

FIG. 9 is a flowchart showing a processing procedure.

FIG. 10 is a flowchart showing a processing procedure.

[Explanation of symbols]

1 device frame 2,3 drying chamber 4 the operation panel unit 5, 6 pulleys 7,8 belt 9,10 pulleys 11,12 heater M _1, M ₂ the drum driving motor 21 microcomputer 22 display 26 dip switch

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A Sho 59-122683 (JP, U) JP-A 3-113490 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) D06F 58/28 G07F 9/02

Claims (1)

(57) [Claims] 1. A clothes dryer having a drum for accommodating clothes, and to respectively be driven by a method or a manual method for driving the drying operation at currency substitutes or card
To be switched by the clothes dryer manager or serviceman
Switching means, and the currency means or card driven by the switching means.
If the drying method is selected, start the drying operation.
To determine if a currency substitute or card has been inserted.
Circuit, and when the manual method is selected by the switching means,
The user has to start the drying operation manually.
A clothes dryer , comprising: a start button operated .