KR101515946B1 - Device for rinsing private parts having temperature control function - Google Patents

Abstract

The present invention provides a local cleaning apparatus having a temperature control function. The local cleaning apparatus having the temperature control function includes a storage tank in which a predetermined amount of washing water is stored and an inlet and an outlet are provided; A heating unit installed in the storage tank and heating the washing water in the storage tank by receiving electric power from the outside; A rinse water supply unit connected to an inlet of the storage tank and supplying rinse water to the storage tank; A water outlet provided at the outflow port for discharging the washing water in the storage tank; And a temperature control unit for controlling the amount of power supplied to the heating unit so that the temperature of the washing water at the outlet side of the storage tank is included in the predetermined reference temperature value range. Therefore, the present invention can precisely maintain the temperature of the washing water coming out of the washing water in order to clean the local part of the human body to a predetermined temperature value, and to stably perform the operation of the heating part used therein.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a local cleaning apparatus having a temperature control function,

The present invention relates to a local cleaning apparatus, and more particularly, to a local cleaning apparatus which precisely maintains a temperature of a washing water which flows out in the case of leaving a washing water for cleaning a local part of a human body to a set temperature value, The present invention relates to a local cleaning apparatus having a temperature control function capable of stably performing a cleaning operation.

In recent years, a local cleaning apparatus such as a bidet, which is used to clean a user's local area, employs a hot water cleaning function capable of supplying a local portion of the user with cleaning water having a set temperature.

In the method of controlling the temperature of the washing water for the hot water washing, a method of heating the washing water in the storage tank by applying a power of 100% by a heating means such as a heater in order to maintain the set hot water temperature at the time of using the washing and bidet . Accordingly, there is a problem that the temperature of the washing water is overheated.

Further, even if the temperature of the washing water in the storage tank is checked in real time using the temperature sensor, the power supplied to the heating means is controlled to be 100% or less, thereby failing to precisely control the temperature of the hot water discharged in real time .

Accordingly, in order to solve the above problem, Korean Patent No. 10-0834417 discloses a method for detecting a temperature of hot water stored in a storage tank, comprising the steps of: detecting a present temperature of hot water stored in a storage tank; And a third step of turning off the power supplied to the heating means if the current temperature of the hot water is equal to or higher than the target temperature after the second step, A method for controlling the temperature of the hot water is proposed.

However, when the on / off operation is performed at the target temperature (at a certain point) by using such a method, the output becomes unstable or susceptible to noise, and the method also requires a hysteresis, , And the control sensitivity is only a simple on / off control method in which the power supply is separately provided by dividing the control sensitivity into three parts, that is, -2 ° C or more, -3 ° C or -3 ° C or less depending on the target temperature . In addition, when the tank capacity is reduced, there is a risk of overshooting and hunting, and the heat transfer characteristic of the slower heater is not considered.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a washing machine which can precisely maintain the temperature of the washing water, which comes out when cleansing water is discharged to clean a local part of a human body, And to provide a local cleaning apparatus having a temperature control function capable of stably operating the used heating unit.

It is another object of the present invention to provide a washing machine capable of constantly maintaining the temperature value of the washing water coming out by supplying the power supply amount to the heating part by correcting the power supply amount to the heating part a plurality of times according to the change of the input water temperature value and the water intake flow value of the washing water, And a local cleaning device having a temperature control function.

In order to achieve the above-mentioned object, the present invention provides a local cleaning apparatus having a temperature control function.

The local cleaning apparatus having the temperature control function includes a storage tank in which a predetermined amount of washing water is stored and an inlet and an outlet are provided; A heating unit installed in the storage tank and heating the washing water in the storage tank by receiving electric power from the outside; A rinse water supply unit connected to an inlet of the storage tank and supplying rinse water to the storage tank; A water outlet provided at the outflow port for discharging the washing water in the storage tank; And a temperature control unit for controlling the amount of power supplied to the heating unit so that the temperature of the washing water at the outlet side of the storage tank is included in the predetermined reference temperature value range.

Here, the temperature control unit may include a temperature sensor installed in the storage tank so as to be located at the outlet port side and measuring a temperature value of the washing water at the outlet port side, and a temperature sensor for measuring the temperature of the washing water from the temperature sensor, And controls the operation of the water outlet and the washing water supply unit by controlling the power supply amount to the heating unit through a power source connected to the heating unit so that the measured temperature value is included in the reference temperature value range, And an indicator electrically connected to the controller for visually displaying the measured temperature value and the reference temperature value range.

The temperature controller is electrically connected to the mode selector. The mode selector selects either a stop mode for stopping the water outlet and a cleaning mode for operating the water outlet and the rinse water supply unit, It is preferable to transmit a signal.

In addition, when the cleaning mode is selected by the mode selector, the controller sets in advance the water temperature value of the washing water flowing in from the inlet, subtracts the water temperature value from the reference temperature value range The control unit controls the power supply amount so that the subtracted temperature value is included in the reference temperature value range, receives the measured temperature value of the washing water from the temperature sensor, and stores the measured temperature value in the range of the reference temperature value It is preferable to control the amount of power supplied to the heating unit through a power source connected to the heating unit.

Preferably, the controller is electrically connected to an input unit capable of selectively setting an input temperature value of the washing water and the reference temperature value range, and the input temperature value of the washing water is visually displayed through the indicator .

The temperature control unit may further include a flow rate sensor provided on the side of the inlet and measuring the flow rate of the wash water flowing into the storage tank from the wash water supply unit and transmitting the measured flow rate value to the controller Wherein the controller controls the power supply amount to the heating unit according to the power supply amount data set in advance so as to be included in the reference temperature value range according to the measured input flow rate value and outputs the measured flow rate value through the display unit It is preferable to display it visually.

The present invention has the effect of precisely maintaining the temperature of the washing water that is dispensed when leaving the washing water for washing the local part of the human body to a predetermined temperature value and stably performing the operation of the heating part used therein.

Further, the present invention provides an effect that the temperature value of the washing water can be kept constant by supplying the power supply amount to the heating part in accordance with the change of the input water temperature value and the water intake flow amount of the washing water received in the storage tank a plurality of times .

Hereinafter, a local cleaning apparatus having a temperature control function of the present invention will be described with reference to the accompanying drawings.

1 is a perspective view showing a local cleaning apparatus of the present invention. 2 is a schematic illustration of a local cleaning apparatus of the present invention. 3 is a block diagram illustrating a local cleaning apparatus including a temperature controller of the present invention. 4 is a flowchart showing an example of the temperature control unit of the present invention. 5 is a flow chart showing another example of the temperature control unit of the present invention.

First, the construction of the local cleaning apparatus of the present invention will be described with reference to Figs. 1 to 3. Fig.

The local washing apparatus of the present invention is characterized in that the local washing apparatus comprises a storage tank 100 storing a predetermined amount of washing water and provided with a water inlet 120 and a water outlet 110, A heating unit 200 connected to the inlet 120 of the storage tank 100 and adapted to supply washing water to the storage tank 100, a heating unit 200 for heating the washing water in the storage tank 100, A water outlet 400 provided in the water outlet 110 and allowing the washing water in the storage tank 100 to flow out of the water outlet 110 and a washing water temperature value on the water outlet 110 side of the storage tank 100, And a temperature control unit 500 for controlling the amount of power supplied to the heating unit 200 so as to be included in a range of a predetermined reference temperature value.

The cleaning water supply unit 300 includes a cleaning liquid storage unit 310, a tube 320 connected to the cleaning liquid storage unit 310 and the inlet 120 of the storage tank 100, And a first pump 330 installed in the first pump 330.

The water outlet 400 may be connected to the nozzle unit 600. That is, the water outlet 400 is connected to the nozzle unit 600 through a tube 420, and a second pump 410 is installed on the tube 420.

The configuration of the temperature controller 500 is as follows.

The temperature controller 500 includes a temperature sensor 510 installed in the storage tank 100 to measure the temperature of the washing water flowing out from the side of the outlet 110 to the tube 420, And a control unit 500 connected to the heating unit 200 such that the reference temperature value range is set and the measurement temperature value of the washing water is received from the temperature sensor 510 and the measured temperature value is included in the reference temperature value range A controller 520 for controlling the power supply to the heater 210 of the heating unit 200 through the power source 220 and controlling the operation of the water outlet 400 and the washing water supply unit 300, And an indicator 530 electrically connected to the temperature sensor 520 to visually display the measured temperature value and the reference temperature value range.

In addition, the temperature controller 500 is electrically connected to the mode selector 540.

The mode selector 540 selects one of the stop mode for stopping the water outlet 400 and the washing mode for operating the water outlet 400 and the washing water supplier 300 , Lt; / RTI >

In addition, when the washing mode is selected by the mode selector 540, the controller 520 sets the water temperature value of the washing water flowing in from the water inlet 120 in advance and sets the water temperature value The control unit 500 firstly controls the power supply amount so that the subtracted temperature value is included in the reference temperature value range and receives the measured temperature value of the washing water from the temperature sensor 510 The power supply amount to the heater 210 can be controlled through the power supply 220 connected to the heating unit 200 so that the measured temperature value is included in the reference temperature value range.

The controller 520 is electrically connected to an input device (not shown) that can selectively set the input temperature value of the washing water and the reference temperature value range, and outputs the input water temperature value of the washing water to the indicator 530 As shown in FIG.

The temperature control unit 500 may measure the flow rate of the washing water flowing into the storage tank 100 from the washing water supply unit 300 on the side of the inlet 120, And a flow rate sensor 550 for transmitting the flow rate value to the controller 520.

Here, the controller 520 controls the power supply amount to the heating unit 200 according to the power supply amount data previously set to be included in the reference temperature value range according to the measured input flow rate value, Can be visually displayed through the display unit 530. [

Next, the operation of the local cleaning apparatus of the present invention constructed as described above will be described.

Referring to FIGS. 1, 2, and 4, the controller 520 may introduce a predetermined amount of washing water into the storage tank 100 using the washing water supply unit 300. Accordingly, the washing water is received and stored in the storage tank 100 through the inlet 120.

Here, the mode selector 540 can select either the stop mode or the cleaning mode in the controller 520 (S10).

If the stop mode is selected by the mode selector 540 in step S20, the temperature sensor 510 disposed in the vicinity of the outlet 110 in the storage tank 100 is operated to stop the cleaning The temperature Tm of the water is measured (S21). Then, the temperature sensor 510 transmits the temperature value Tm of the measured washing water to the controller 520.

Here, the reference temperature value range? Ts is preset in the controller 520. Of course, the reference temperature value range? Ts can be selectively set to the controller 520 through a separate input unit (not shown).

If the measured washing water temperature value Tm is included in the reference temperature value range Ts in step S21, the controller 520 transmits an electrical signal to the power source 220 to generate heat from the power source 210 (S23). ≪ / RTI >

On the other hand, when the measured washing water temperature value Tm is not included in the reference temperature value range Ts, the controller 520 determines that the measured washing water temperature value Tm is less than the reference temperature value Tm, The electric power is supplied from the power source to the heater 210 until the electric power is included in the range? Ts (S24).

When the cleaning mode is selected by the mode selector 540 at S30, the controller 520 uses the cleaning water supply unit 300 to supply the cleaning water to the storage tank 100 via the inlet 120 And the washing water stored in the storage tank 100 may be discharged to the nozzle unit 600 by using the water outlet 400. [ Accordingly, the washing water can flow into the tube 420 through the outlet 110.

Here, the controller 520 calculates a new reference temperature value range DELTA | Ts-Tin | by subtracting the washing water inlet water temperature value Tin from the preset inlet 120 from the reference temperature value range Ts. (S32).

The controller 520 sets the power supply amount to the heater 210 until the cleaning water temperature value Ts measured by the temperature sensor 510 is included in the new reference temperature value range DELTA | Ts-Tin | (S33, S34).

Next, when the measured washing water temperature value Tm is included in the new reference temperature value range DELTA | Ts-Tin |, the controller 520 determines whether the washing water temperature Tm measured by the temperature sensor 510 The power supply to the heater is controlled until the temperature value Tm is included in the range of the predetermined reference temperature value? Ts.

4, in the present invention, the power supply to the heater 210 can be controlled twice to control the temperature value of the washing water flowing out to the outlet 110 when the washing mode is applied . Accordingly, the heater 210 can be continuously turned on without being turned on / off until the temperature of the washing water reaches a predetermined reference temperature value, Can be precisely controlled.

1, 2, and 5, the controller 520 may introduce a predetermined amount of washing water into the storage tank 100 by using the washing water supply unit 300. FIG. Accordingly, the washing water is received and stored in the storage tank 100 through the inlet 120.

Here, the mode selector 540 may select either the stop mode or the cleaning mode and transmit the selected mode to the controller 520 (S10).

If the stop mode is selected by the mode selector 540 in step S20, the temperature sensor 510 disposed in the vicinity of the outlet 110 in the storage tank 100 is operated to stop the cleaning Measure the water temperature value. Then, the temperature sensor 510 transmits the temperature value Tm of the measured washing water to the controller 520.

Here, the reference temperature value range? Ts is set in advance in the controller 520 (S21). Of course, the reference temperature value range? Ts may be selectively input to the controller 520 via a separate input unit.

If the measured washing water temperature value Tm is included in the reference temperature value range Ts at step S22, the controller 520 transmits an electrical signal to the power source 220 to output the electrical signal to the heater 210 (S23). ≪ / RTI >

On the other hand, when the measured washing water temperature value Tm is not included in the reference temperature value range Ts, the controller 520 determines that the measured washing water temperature value Tm is less than the reference temperature value Tm, The electric power is supplied from the electric power source 220 to the heater 210 until the electric power is included in the range? Ts (S24).

If the mode selector 540 selects the washing mode at step S40, the controller 520 controls the washing water supply unit 300 to supply the washing water to the storage tank 100 via the inlet 120. [ And the washing water stored in the storage tank 100 may be discharged to the nozzle unit 600 by using the water outlet 400. [ Accordingly, the washing water can flow along the tube 420 through the outlet 110.

The flow rate sensor 550 installed in the vicinity of the inlet 120 measures the flow rate Q of the washing water flowing into the inlet 120 and transmits the flow rate Q to the controller 520 in operation S41. At this time, the controller 520 may be provided with a power supply data table (not shown) corresponding to the input flow rate value Q. In addition, the controller 520 sets a reference temperature value range? Ts in advance.

Accordingly, the controller 520 can supply power to the heater 210 using the power supply 220 with a power supply amount corresponding to the flow rate values that can be included in the reference temperature value range? Ts. Accordingly, the controller 520 can primarily control the power supply to the heater 210 (S42).

The controller 520 controls the supply of power to the heater 210 so that the cleaning water temperature value Tm measured by the temperature sensor 510 on the side of the outlet 110 may be included in the reference temperature value range Ts . Accordingly, the controller 520 can perform the power supply amount control to the heater 210 (S22 to S24).

Accordingly, as shown in FIG. 5, in the present invention, the power supply to the heater 210 can be controlled twice to control the temperature value of the washing water flowing out to the outlet 110 when the washing mode is applied . Accordingly, the heater 210 can be continuously turned on without being turned on / off until the temperature of the washing water reaches a predetermined reference temperature value, Can be precisely controlled.

Accordingly, the present invention adopts the variable-period zero-crossing control as shown in Figs. 4 and 5 for supplying electric power to the heater 210, thereby precisely controlling the temperature value of the washing water that flows out . Therefore, the present invention can control the temperature value of the hot water of the washing water to be introduced to be more accurately included in the predetermined reference temperature value range in the controller. Further, the present invention can solve the user's discomfort due to the deviation of the set temperature value at the time of local cleaning of the user.

1 is a perspective view showing a local cleaning apparatus of the present invention.

2 is a schematic illustration of a local cleaning apparatus of the present invention.

3 is a block diagram illustrating a local cleaning apparatus including a temperature controller of the present invention.

4 is a flowchart showing an example of the temperature control unit of the present invention.

5 is a flow chart showing another example of the temperature control unit of the present invention.

Description of the Related Art [0002]

100: Storage tank

200:

300: Cleaning water supply part

400:

500:

510: Temperature sensor

520: controller

530: Indicator

540: Mode selector

550: Flow sensor

Claims (6)

A storage tank 100 storing a predetermined amount of washing water and provided with a water inlet 120 and a water outlet 110; A heating unit 200 installed in the storage tank 100 and heating the washing water in the storage tank 100 by receiving electric power from the outside; A rinse water supply unit 300 connected to the inlet 120 of the storage tank 100 and supplying rinse water to the storage tank 100; A water outlet 400 provided at the outlet 110 for discharging the washing water in the storage tank 100; A temperature controller 500 for controlling the amount of power supplied to the heating unit 200 so that the temperature of the washing water at the outlet 110 of the storage tank 100 is within a predetermined reference temperature range; And, The temperature controller 500 includes a temperature sensor 510 for measuring the temperature of the washing water at the outlet 110 side; A controller 520 for controlling the operation of the water outlet 400 and the washing water supply unit 300; And a washing mode in which the water outlet 400 and the washing water supply unit 300 are operated to select one of the washing mode and the washing mode to stop the water outlet 400 and transmit the electric signal to the controller 520 And a mode selector 540, When the cleaning mode is selected by the mode selector 540, the controller 520 previously sets an input temperature value of the washing water flowing in from the inlet 120 and sets the input water temperature value to the reference temperature The control unit controls the power supply amount so that the subtracted temperature value is included in the reference temperature value range, The heating unit 200 receives the measured temperature value of the washing water from the temperature sensor 510 and supplies the measured temperature value to the heating unit 200 through the power source 220 connected to the heating unit 200, ) Is controlled in a secondary manner. The method according to claim 1, The temperature sensor 510 included in the temperature controller 500 may be installed in the storage tank 100 so as to be positioned on the side of the outlet 110, An indicator 530 electrically connected to the controller 520 for visually displaying the measured temperature value and the reference temperature value range; Further comprising a temperature control function for controlling the temperature of the substrate. delete delete 3. The method of claim 2, The controller 520 is electrically connected to an input unit capable of selectively setting an input temperature value of the washing water and the reference temperature value range and displays the input water temperature value of the washing water through the indicator 530 in a visible manner And a temperature control function of the temperature sensor. 3. The method of claim 2, The temperature control unit 500 measures the flow rate of the washing water flowing into the storage tank 100 from the washing water supply unit 300 and detects the measured flow rate value To the controller (520), wherein the flow rate sensor (550) The controller 520 controls the amount of power supplied to the heating unit 200 according to the power supply amount data previously set to be included in the reference temperature value range according to the measured input flow rate value, And the measured water flow rate value is visually displayed through the display unit (530).

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