JP2019058425A - Water soap supply faucet - Google Patents

Abstract

To provide a water soap supply device that can increase a degree of freedom for installation of a water soap tank by reducing the size of the water soap tank, and can inhibit water soap from dripping from a discharge port after a liquid pump is stopped.SOLUTION: A water soap supply device 1 for discharging water soap in a mousse state from a discharge port 3 includes: a water soap tank 2; a water soap flow channel 4 composed of a flexible member for connecting the discharge port 3 to the water soap tank 2; a liquid pump 5; an air pump 6; a mixing part 7 for mixing the water soap sent out by the liquid pump 5 with air sent out by the air pump 6, and bringing the water soap into a mousse state; a sensor 8 for detecting an object to be detected; and a control part 9 for controlling operations of the liquid pump 5 and the air pump 6 based on a result of the detection by the sensor 8. The liquid pump 5 and the air pump 6 are installed outside the water soap tank 2.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a water soap supply device having a function of automatically discharging water soap upon detection of an object to be detected.

  Some counters with counters, etc., have a water soap supply device in addition to a water faucet for supplying hot and cold water to which water soap is discharged when the user performs a certain operation. There are various types of such water soap supply devices, but in recent years, the function is such that the water soap in the form of mousse is automatically discharged only when the user brings his hand near the discharge port. (For example, Patent Document 1).

JP 2007-37628 A

  The water soap supply device described in Patent Document 1 described above is capable of automatically discharging mousse-like water soap, and a user-friendly water soap supply device has been proposed. However, in the water soap supply device described in Patent Document 1, since the liquid pump is disposed inside the water soap tank storing water soap, the water soap tank is enlarged, and the space under the limited counter is limited. There was a case that did not enter. In addition, when the tank is enlarged, the tank can not be installed at a desired position, and the distance between the tank and the liquid pump and the discharge port becomes long, so after stopping the liquid pump, the water soap flow path Depending on the pressure of the pump, the water soap may drip from the outlet despite stopping the pump, and there is room for further improvement in downsizing of the tank and dripping of the soap.

  The present invention has been made in view of such problems, and the object thereof is to miniaturize the water soap tank to increase the installation freedom of the water soap tank, and to stop the liquid pump and then to stop the water from the discharge port. It is providing the water soap supply apparatus which can suppress that a soap drips.

  In order to solve the above problems, the water soap supply device according to the present invention is a water soap supply device that mousses water soap and discharges it from a discharge port, and a water soap tank for storing water soap and flexibility. A water soap flow path connecting the discharge port and the water soap tank; a liquid pump that pressurizes and sends out the water soap in the water soap tank; an air pump that pressurizes and sends out air; A mixing unit for mixing the water soap delivered by the liquid pump and the air delivered through the air flow path by the air pump to make the water soap mousse, a sensor for detecting an object to be detected, and the sensor And a control unit for controlling the operation of the liquid pump and the air pump based on the detection result of the water pump, wherein the liquid pump and the air pump are provided outside the water soap tank It is characterized in that is.

  The water soap supply device according to the first aspect of the present invention has the liquid pump and the air pump provided outside the water soap tank to separate the water soap tank from the liquid pump and the air pump. The volume integration of the pump can be miniaturized. By miniaturizing the water soap tank, it is possible to increase the freedom of installation in a limited space such as under the counter. Further, by disposing the liquid pump outside the water soap tank, the distance between the liquid pump and the discharge port can be shortened. The water soap dripping from the discharge port after stopping the liquid pump is generated by the pressure in the water soap flow path from the discharge port to the liquid pump, but by reducing the distance between the discharge port and the liquid pump The pressure in the soap channel can be reduced. Therefore, it is possible to suppress the occurrence of dripping of the water soap that occurs after the liquid pump is stopped.

  In the water soap supply device according to the second aspect of the invention, the control unit operates the liquid pump and the air pump such that the amount of air relative to the amount of water soap becomes a predetermined value determined in the mixing unit. A first mode, and a second mode in which the liquid pump and the air pump are operated so that the amount of air relative to the amount of water soap is smaller than the first mode, and the control unit further includes the first mode And the second mode is executed.

  According to the configuration of the second aspect of the invention, in the first mode, the liquid pump and the air pump are operated so that the amount of water soap and the amount of air become predetermined values. Water soap can be discharged. In the second mode, by operating the liquid pump and the air pump so that the amount of air relative to the amount of water soap is smaller than that in the first mode, the water soap having a foaming rate lower than that in the first mode is discharged become. By performing the second mode of low foaming ratio after the first mode of high foaming ratio, it is a water soap of low foaming ratio, that is, water foam of poor foam quality, water soap is easily broken, and drips from the discharge port Can be further suppressed.

  In the water soap supply device according to a third aspect of the present invention, the control unit is configured to operate the liquid pump with the first energy in the first mode, and the controller is larger than the first energy in the second mode It is characterized in that it is configured to operate the liquid pump with two energies.

  According to the configuration of the third invention, in the first mode, the liquid pump is operated with the first energy, and in the second mode, the liquid pump is operated with the second energy larger than the first energy. The foaming rate can be changed between one mode and the second mode. Therefore, it is possible to suppress the dripping of water soap from the discharge port.

  The water soap supply device according to a fourth aspect of the present invention is configured such that the control unit operates the air pump with fourth energy in the first mode, and the controller is smaller than the fourth energy in the second mode The air pump is configured to operate with five energies.

  According to the configuration of the fourth aspect of the invention, the air pump is operated with the fourth energy in the first mode, and the air pump is operated with the fifth energy smaller than the fourth energy in the second mode. In the second mode, the foaming ratio is lower than in the first mode, and the foam quality is worse. Therefore, it is possible to suppress the dripping of water soap from the discharge port.

  The water soap supply device according to a fifth aspect of the present invention is characterized in that the control unit has a third mode of operating the liquid pump with a third energy higher than the second energy, and the sensor detects the object to be detected The first mode is performed after the three modes are performed.

  According to the configuration of the fifth aspect, by executing the third mode, the liquid pump can be reliably started by operating the liquid pump with the third energy equal to or higher than the second energy. Even when the water soap is likely to be stuck in the flow path or the discharge port, the water soap can be discharged.

  The water soap supply device according to a sixth aspect of the present invention is characterized in that the control unit has a fourth mode of operating the air pump with sixth energy equal to or more than the fourth energy, and the sensor detects the object to be detected It is characterized in that the first mode is executed after the fourth mode is executed.

  According to the configuration of the sixth invention, the air pump can be reliably started by executing the fourth mode in which the air pump is operated with the sixth energy which is larger than the fourth energy.

  According to the present invention, the water soap tank can be miniaturized to increase the installation freedom of the water soap tank, and the water soap supply device capable of suppressing the water soap from dripping from the discharge port after stopping the liquid pump. Can be provided.

It is a schematic block diagram of the water soap supply apparatus concerning 1st embodiment of this invention. It is a control flowchart of the water soap supply apparatus concerning 1st embodiment of this invention. It is an operation timing chart of a sensor, a liquid pump, and an air pump of a water soap supply device concerning a first embodiment of the present invention. It is a control flowchart of the water soap supply apparatus concerning 2nd embodiment of this invention. It is an operation timing chart of a sensor, a fluid pump, and an air pump of a water soap supply device concerning a second embodiment of the present invention.

  Hereinafter, embodiments of the present invention will be described with reference to the attached drawings. In order to facilitate understanding of the description, in the drawings, the same components are denoted by the same reference numerals as much as possible, and redundant description will be omitted. Note that the present invention is not limited by the embodiments described below.

(First embodiment)
The water soap supply device will be described with reference to FIG. FIG. 1 is a schematic configuration view of a water soap supply device 1 according to a first embodiment of the present invention.

  As shown in FIG. 1, the water soap supply device 1 includes a water soap tank 2 storing water soap solution, an outlet 3, a water soap flow path 4, a liquid pump 5, an air pump 6, and an air flow. A passage 10, a mixing unit 7, a sensor 8 and a control unit 9 are provided.

  The discharge port 3 is a flow path through which the water soap tank 2 and the water soap flow, and is connected to the flexible water soap flow path 4. The liquid pump 5 is connected to the water soap channel 4 and configured to suck up the water soap solution stored in the water soap tank 2 and supply it to the discharge port 3.

  The air pump 6 is connected to the mixing unit 7 via the air flow path 10 to mousse the water soap solution, and is configured to mix air in the water soap solution supplied by the liquid pump 5. The mixing unit 7 mixes the water soap solution supplied by the liquid pump 5 and the air supplied by the air pump, and is configured to be a mousse-like water soap.

  The sensor 8 is provided in the vicinity of the discharge port 8 and configured to detect the presence or absence of an object to be detected. The control unit 9 is connected to the liquid pump 5, the air pump 6, and the sensor 8, and is configured to control the operation of the liquid pump 5 and the air pump 6 based on the detection result of the sensor 8.

  Next, the operation of the water soap supply device 1 will be described with reference to FIG. FIG. 2 is a control flowchart of the water soap supply device 1 according to the first embodiment of the present invention.

  As shown in FIG. 2, when the power supply is connected to the water soap supply device 1, control by the control unit 9 is started (S100). After that, the control unit 9 determines whether the sensor 8 has detected an object to be detected (S101). The controller 9 is. If it is determined in S101 that the detected object is not detected, the determination of S101 is repeated. If the control unit 9 determines that the detected object is detected in S101, the liquid pump 5 and the air pump 6 are turned on to start the operation (S102). The control unit 9 starts the third mode simultaneously with the start of the operation of the liquid pump 5 in S102 (S103). Thereafter, the control unit 9 determines whether a third predetermined time has elapsed (S104). The control unit 9 continues the execution of the third mode until the third predetermined time has elapsed in S104.

  If it is determined at S104 that the third predetermined time has elapsed, the control unit 9 operates the liquid pump 5 in the first mode (S105). Thereafter, the control unit 9 determines whether a first predetermined time has elapsed (S106). The control unit 9 continues the execution of the first mode until the first predetermined time has elapsed in S106.

  If the controller 9 determines that the first predetermined time has elapsed in S106, the controller 9 stops the air pump 6 (S107). Thereafter, the control unit 9 operates the liquid pump 5 in the second mode (S108). The control unit 9 determines whether the second predetermined time has elapsed (S109). The control unit 9 continues the execution of the second mode until the second predetermined time has elapsed in S109.

  If the controller 9 determines that the second predetermined time has elapsed in S109, the controller 9 stops the liquid pump 5 (S110). When the liquid pump 5 is stopped in S110, the control unit 9 ends the control (S111), and returns to S100.

  Next, the timing chart of the sensor 8, the liquid pump 5, and the air pump 6 will be described with reference to FIG. FIG. 3 is an operation timing chart of the sensor 8, the liquid pump 5, and the air pump 6 of the water soap feeder 1 according to the first embodiment of the present invention.

  As shown in FIG. 3, the control unit 9 is configured to execute the third mode when the sensor 8 detects the detected object, then execute the first mode, and finally execute the second mode. There is.

The control unit 9 supplies constant energy to the air pump 6 in each mode, and stops driving of the air pump when the signal of the sensor 8 is not detected from detection.
The control unit 9 supplies energy to the liquid pump 5, but changes the size of energy in each mode.

In the first mode, the control unit 9 sets the energy supplied to the liquid pump 5 to "small", and mixes the water soap and air so that the foaming rate of the mousse-like water soap is high.
In the second mode, the control unit 9 sets the energy supplied to the liquid pump 5 to “medium” and stops the supply of energy to the air pump 6. By stopping the supply of energy to the air pump 6, the foaming rate of the mousse-like water soap decreases, and the mousse-like water soap becomes a water soap that is easily broken.

  In the third mode, the energy supplied to the liquid pump 5 is set to "large", and the operation of the liquid pump 5 is started. In the third mode, since the ratio of water soap to air from the air pump 6 is higher than that in the first mode, the foaming rate decreases, but the energy supplied to enhance the startability of the liquid pump 5 is It is considered as "large".

  The control unit 9 operates the liquid pump 5 in the order of the third mode, the first mode, and the second mode, so that in the third mode, the foaming rate becomes lower than that in the first mode. By setting the energy to "large", the liquid pump 5 can be reliably started. Thereafter, the first mode is executed. In the first mode, the energy to the liquid pump 5 is set to "small" to increase the foaming rate. By increasing the foaming rate, water soap solution can be saved. After that, the second mode is executed. In the first mode, the foaming rate of the mousse-like water soap is high, and when discharge is finished in the first mode, the mousse-like water soap drips from the discharge port 3, so to the liquid pump 5 in the second mode Energy is set to “medium”, the ratio of water soap to air is increased, and the foaming ratio is reduced. By reducing the foaming ratio in this manner, the mousse-like water soap becomes easy to tear, and it is possible to suppress the water soap from dripping from the discharge port 3.

Second Embodiment
Next, with reference to FIGS. 4 and 5, a second embodiment of the operation of the liquid pump 5 and the air pump 6 according to the first embodiment of the present invention will be described. FIG. 4 is a control flowchart of the water soap supply device 1 according to the second embodiment of the present invention.

  As shown in FIG. 4, when the power supply is connected to the water soap supply device 1, control by the control unit 9 is started (S200). After that, the control unit 9 determines whether the sensor 8 has detected an object to be detected (S201). The controller 9 is. If it is determined in S201 that the detected object is not detected, the determination of S201 is repeated. If the control unit 9 determines that the detected object is detected in S201, the liquid pump 5 and the air pump 6 are turned on to start the operation (S202). The control unit 9 starts the fourth mode simultaneously with the start of the operation of the air pump 6 in S202 (S203). Thereafter, the control unit 9 determines whether the fourth predetermined time has elapsed (S204). The control unit 9 continues the execution of the fourth mode until the fourth predetermined time has elapsed in S204.

  If it is determined at S204 that the fourth predetermined time has elapsed, the control unit 9 operates the air pump 6 in the first mode (S205). Thereafter, the control unit 9 determines whether a first predetermined time has elapsed (S206). The control unit 9 continues the execution of the first mode until the first predetermined time has elapsed in S206.

  If it is determined at S206 that the first predetermined time has elapsed, the control unit 9 operates the air pump in the second mode (S207). The control unit 9 determines whether the second predetermined time has elapsed (S208). Control unit 9 continues the execution of the second mode until the second predetermined time has elapsed in S208.

  If it is determined at S208 that the second predetermined time has elapsed, the control unit 9 stops the operation of the liquid pump 5 and the air pump 6. When the liquid pump 5 and the air pump 6 are stopped at S209, the control unit 9 ends the control (S210), and returns to S200.

  Next, the timing chart of the sensor 8, the liquid pump 5, and the air pump 6 will be described with reference to FIG. FIG. 5 is an operation timing chart of the sensor 8, the liquid pump 5, and the air pump 6 of the water soap feeder 1 according to the second embodiment of the present invention.

  As shown in FIG. 5, the control unit 9 is configured to execute a fourth mode when the sensor detects an object, then execute the first mode, and finally execute the second mode.

The control unit 9 supplies constant energy to the liquid pump 5 in each mode, and stops the driving of the liquid pump 5 and the air pump according to the signal of the sensor 8.
The control unit 9 supplies energy to the air pump 6, but changes the size of the energy in each mode.

In the first mode, the control unit 9 sets the energy supplied to the air pump 6 to "medium", and mixes the water soap and the air so that the foaming rate of the mousse-like water soap becomes high.
In the second mode, the control unit 9 sets the energy to be supplied to the air pump 6 to “small”, and mixes the water soap and the air so that the foaming rate of the mousse-like water soap becomes low. By mixing in this manner, in the second mode, the mousse-like water soap becomes a fragile water soap.

  In the fourth mode, the energy supplied to the air pump 6 is set to "large", and the operation of the air pump 6 is started. In the fourth mode, compared to the first mode, the ratio of the amount of air to the amount of water soap is high, so the foaming rate is degraded, but the energy supplied to enhance the startability of the air pump is “ It is said that

  The control unit 9 operates the air pump 6 in the order of the fourth mode, the first mode, and the second mode, so that in the fourth mode, the foaming rate becomes lower than that in the first mode. By setting the energy to the “first”, the air pump 6 can be reliably started. Thereafter, the first mode is executed. In the first mode, the energy to the air pump 6 is set to "medium" to increase the foaming rate. By increasing the foaming rate, water soap solution can be saved. Thereafter, the second mode is executed. In the first mode, the foaming rate of the mousse-like water soap is high, and when discharge is finished in the first mode, the mousse-like water soap drips from the discharge port 3, so to the air pump 6 in the second mode Energy is set to "small", the amount of air is reduced relative to the amount of water soap, and the foaming rate is reduced. By reducing the foaming ratio in this manner, the mousse-like water soap becomes easy to tear, and it is possible to suppress the water soap from dripping from the discharge port 3.

  Next, with reference to FIGS. 1-5, the effect | action of the water soap supply apparatus 1 by embodiment of this invention is demonstrated.

  The water soap supply device 1 separates the water soap tank 2, the liquid pump 5 and the air pump 6 by providing the liquid pump 5 and the air pump 6 outside the water soap tank 2, thereby making the water soap tank 2 liquid. The volume integration of the pump 5 and the air pump 6 can be miniaturized. By miniaturizing the water soap tank 2, it is possible to increase the freedom of installation in a limited space such as under a counter. Furthermore, by disposing the liquid pump 5 outside the water soap tank 2, the distance between the liquid pump 5 and the discharge port 3 can be shortened. The dripping of the water soap from the discharge port 3 after stopping the liquid pump 5 is generated by the pressure in the water soap flow path 4 to the discharge port 3 and the liquid pump 5, but the discharge port 3 and the liquid pump 5 By reducing the distance, the pressure in the water soap channel 4 can be reduced. Therefore, it is possible to suppress the occurrence of dripping of the water soap that occurs after the liquid pump 5 is stopped.

  Further, according to the water soap supply device 1 of the present embodiment, in the first mode, the mixing unit 7 is operated to operate the liquid pump 5 and the air pump 6 so that the amount of water soap and the amount of air become predetermined values. The mousse-like water soap having a high foaming rate can be discharged. In the second mode, by operating the liquid pump and the air pump so that the amount of air relative to the amount of water soap is smaller than that in the first mode, the water soap having a foaming rate lower than that in the first mode is discharged become. By performing the second mode of low foaming ratio after the first mode of high foaming ratio, it is a water soap of low foaming ratio, that is, water foam of poor foam quality, water soap is easily broken, and drips from the discharge port Can be further suppressed.

  Furthermore, according to the water soap supply device 1 of the present embodiment, the liquid pump 5 is operated with the first energy in the first mode, and the liquid pump 5 is operated with the second energy larger than the first energy in the second mode. By operating, the foaming rate can be changed between the first mode and the second mode. Therefore, it is possible to suppress the dripping of water soap from the discharge port.

  Furthermore, according to the water soap supply device 1 of the present embodiment, the air pump 6 is operated by the fourth energy in the first mode, and the air pump 6 is operated by the fifth energy smaller than the fourth energy in the second mode. By operating, in the second mode, the foaming rate is lower and the foam quality is worse than in the first mode. Therefore, the dripping of the water soap from the discharge port 3 can be suppressed.

  Furthermore, according to the water soap supply device 1 of the present embodiment, the liquid pump 5 is reliably started by operating the liquid pump 5 with the third energy higher than the second energy by executing the third mode. Even if the water soap is likely to be stuck in the water soap flow path 4 or the discharge port 3, the water soap can be discharged.

  Furthermore, according to the water soap supply device 1 of the present embodiment, the air pump 6 can be reliably started by executing the fourth mode in which the air pump 6 is operated with the sixth energy larger than the fourth energy. it can.

  In the first embodiment and the second embodiment, the flow is described in which the liquid pump 5 and the air pump 6 are simultaneously turned on when the sensor 8 detects a detected object, but it is not always necessary to simultaneously turn them on.

  In the first embodiment, it is described that the energy to the air pump 6 is constant and the energy to the liquid pump 5 is changed, and in the second embodiment, the energy to the liquid pump 5 is constant and the air pump 6 is However, it is also possible to change the energy to the two pumps of the liquid pump 5 and the air pump 6.

  In the first embodiment, it has been described that the air pump 6 is stopped and the liquid pump 5 is executed in the second mode when transitioning from the first mode to the second mode, but the air pump 6 It may be operating.

  Further effects and modifications can be easily derived by those skilled in the art. Thus, the broader aspects of the invention are not limited to the specific details and representative embodiments represented and described above. Accordingly, various modifications may be made without departing from the spirit or scope of the general inventive concept as defined by the appended claims and their equivalents.

DESCRIPTION OF SYMBOLS 1 Water soap supply apparatus 2 Water soap tank 3 Discharge port 4 Water soap flow path 5 Liquid pump 6 Air pump 7 Mixing part 8 Sensor 9 Control part 10 Air flow path

Claims (6)

A water soap supply device that mousses water soap and discharges it from a discharge port.
A water soap flow path comprising a water soap tank storing water soap and a flexible member and connecting the discharge port and the water soap tank;
A liquid pump for pressurizing and delivering the water soap in the water soap tank;
An air pump that pressurizes and delivers air;
A mixing unit for mixing the water soap pumped by the liquid pump and the air pumped through the air flow path by the air pump to make the water soap mousse;
A sensor for detecting an object to be detected;
And a control unit that controls the operation of the liquid pump and the air pump based on the detection result of the sensor.
The water soap supply device, wherein the liquid pump and the air pump are provided outside the water soap tank. The control unit operates the liquid pump and the air pump such that the amount of air relative to the amount of water soap becomes a predetermined value determined in advance in the mixing portion, and the air relative to the amount of water soap Operating the fluid pump and the air pump such that the amount of the fluid is less than the first mode,
The water soap supply device according to claim 1, wherein the control unit executes the second mode after executing the first mode. The control unit is configured to operate the liquid pump with the first energy in the first mode, and configured to operate the liquid pump with the second energy larger than the first energy in the second mode. The water soap supply device according to claim 2, characterized in that: The control unit is configured to operate the air pump with fourth energy in the first mode, and configured to operate the air pump with fifth energy smaller than the fourth energy in the second mode. The water soap supply device according to claim 2, characterized in that: The control unit has a third mode of operating the liquid pump with the third energy equal to or higher than the second energy, and executes the first mode after executing the third mode when the sensor detects a detected object The water soap supply device according to claim 3, characterized in that: The control unit has a fourth mode in which the air pump is operated with the sixth energy equal to or higher than the fourth energy, and executes the fourth mode and executes the first mode when the sensor detects the detected object. The water soap supply device according to claim 4, characterized in that:

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