JP6145950B2 - Toilet device - Google Patents

Description

  The present invention relates to a toilet device that operates a trap to switch between a sealing posture and a draining posture.

  2. Description of the Related Art Conventionally, a toilet device has been provided that operates a trap to switch between a sealing posture and a draining posture (hereinafter referred to as a “turn trap type”). The turn trap type toilet device has a structure in which a cylindrical trap is connected to a drain pipe communicating with a bowl, and this trap is operated using an electric device.

  Japanese Laid-Open Patent Publication No. 2000-240135 proposes that a turn-trap toilet device is provided with a backup power source for driving an electric device in order to drain water without a problem even during a power failure.

  In the above-described turn trap type toilet device, it is necessary to charge the power source. If the user performs a button operation or the like during the charging operation, a high load operation such as driving the electric device is performed simultaneously with the charging.

  For this reason, in the conventional toilet device, the maximum amount of current used has been set large in order to cope with a high load operation simultaneously with charging. In order to set the maximum amount of current to be large, it is necessary to provide a large board and each component in order to increase the current rating, which causes a high manufacturing cost of the toilet device.

  This invention is invented in view of the said problem, Comprising: It aims at providing the turn trap type toilet device provided with the power supply for backup at low cost.

  In order to solve the above problems, the present invention is a toilet device having the following configuration.

  The present invention provides a bowl having a drain port, a cylindrical trap connected to the drain port, an electric device that switches between a sealing posture and a draining posture by operating the trap, and the electric device during a power failure A backup power source for supplying power; and a control unit, wherein the control unit performs charge control for charging the power source and drive control for a high-load device including the electric device, and charges the power source. The toilet device is characterized by prohibiting drive control of the high-load device when performing charging, and permitting drive control of the high-load device when charging of the power source is completed.

  In the present invention, it is preferable that an electric on-off valve for starting and stopping water supply to the bowl is further provided, and the power source supplies power to the electric on-off valve in the event of a power failure.

  Moreover, in this invention, it is preferable that the said control part determines completion of charge based on elapsed time.

  In the present invention, it is also preferable that the controller determines completion of charging based on the amount of current to be charged.

It is sectional drawing which shows schematically the toilet device of one Embodiment of this invention. It is a block diagram which shows roughly the electric current control of the control part with which a toilet device same as the above is provided. It is a graph which shows roughly the electric current supply in a toilet device same as the above. It is a graph which shows roughly the electric current supply in the toilet seat apparatus of a comparative example.

  The present invention will be described based on embodiments shown in the accompanying drawings.

  FIG. 1 shows a toilet device 100 as an example of an embodiment of the present invention.

  In FIG. 1, a state where the trap 2 is held in a sealed position is indicated by a solid line, and a state where the trap 2 is held in a draining position is indicated by an imaginary line.

  The toilet apparatus 100 according to the present embodiment includes a bowl 1 having a drain outlet 11 at the bottom, a drain pipe 12 extending horizontally from the drain outlet 11, and a deformable trap attached to the downstream end of the drain pipe 12. 2 and a case 3 for accommodating the trap 2.

The trap 2 is a cylindrical member having a bellows shape. By fixing the upstream end of the trap 2 to the downstream end of the drain pipe 12 , the drain port 11 of the bowl 1 and the trap 2 are connected to each other via the drain pipe 12 . A drain port 21 is opened at the downstream end of the trap 2.

  The trap 2 is disposed in the internal space 31 of the case 3. The case 3 has a drain port 32 at the bottom thereof. This drain port 32 is connected in communication with an external drain pipe (not shown).

  That is, the internal space 31 of the case 3 is a space in which the trap 2 is accommodated so that the posture can be freely changed, and this space is connected to the external drain pipe through the drain port 32.

  The posture changing means for changing the posture of the trap 2 includes an electric device 4 that mechanically operates the trap 2. The electric device 4 includes a motor (not shown) disposed on the side of the case 3 and an arm 41 that is rotated by rotational power generated by the motor.

  The tip of the arm 41 is mechanically connected to the downstream end of the trap 2. The posture of the trap 2 is changed as the arm 41 rotates.

  The upstream end of the trap 2 is fixed to the drain pipe 12 with the upstream end opening facing the horizontal direction.

  The drain outlet 21 at the downstream end of the trap 2 is in a position and posture that opens upward when the trap 2 is in a sealing posture, and is in a position and posture that opens downward when the trap 2 is in a draining posture. is there. Here, “upper” means not only directly above but also includes an obliquely upward direction, and “lower” herein means not only directly below but also includes an obliquely downward direction.

  The drain port 21 of the trap 2 is rotated around the rotation axis of the arm 41 and changes the posture between the sealed posture and the drainage posture.

  As shown by a solid line in FIG. 1, the trap 2 is sealed in a posture in which its downstream end is lifted above the upstream end and bent so as to form an arc when viewed from the side. The drainage posture of the trap 2 is a posture in which the downstream end thereof is lowered below the upstream end portion and bent so as to have an arc shape when viewed from the side, as indicated by an imaginary line in FIG.

  In this embodiment, the water supply means 5 for supplying water into the bowl 1 includes a water supply pipe 51 directly connected to the water supply and an electric on-off valve 52 interposed in the flow path of the water supply pipe 51. The water supply means 5 is of a type that supplies water directly from the tap into the bowl 1.

  Moreover, the toilet device 100 of this embodiment is provided with the local washing | cleaning apparatus 6 for discharging washing water to a user's local part. The local cleaning device 6 includes a nozzle 61 that can move forward and backward, and discharges cleaning water from the tip of the nozzle 61 toward the local area of the user.

  In addition, the toilet device 100 of the present embodiment includes a toilet seat 7 that can be freely opened and closed above the bowl 1. The toilet seat 7 incorporates a heater 71. By energizing the heater 71, the surface of the toilet seat 7 is heated.

  The toilet device 100 of this embodiment is further provided with the control part 8 and the power supply 9 (refer FIG. 2). The control unit 8 controls the operation of each unit included in the toilet device 100. The respective parts are, for example, an electric device 4 that rotates the trap 2, an electric on-off valve 52 that controls water supply to the bowl 1, a local cleaning device 6, a heater 71 built in the toilet seat 7, and the like.

  Further, the control unit 8 performs charging control for the backup power source 9. The power source 9 is a power source for supplying power to the electric device 4 at the time of a power failure. The control unit 8 charges the power source 9 every time the toilet device 100 is powered on.

  In the present embodiment, the power supply 9 also supplies power to the electric on-off valve 52 during a power failure. In other words, the power source 9 also serves as a power source for supplying power to the electric on-off valve 52 during a power failure. In addition to the power source 9 that supplies power to the electric device 4 during a power failure, a power source that supplies power to the electric on-off valve 52 during a power failure can be provided.

2, the control unit 8, a current control unit 81, a device control unit 82 which is supplied with current from the current control unit 81, the charging control unit 83 which is supplied with current from the same current control unit 81 And have.

  The device control unit 82 supplies power to at least the high load device 10 including the electric device 4 and drives and controls the high load device 10. In the present embodiment, the high load device 10 includes a heater 71 for the toilet seat 7 and a local cleaning device 6 in addition to the electric device 4.

  The control unit 8 further includes a power supply voltage detection unit 84 that detects an input power supply voltage, and a charge completion determination unit 85 that determines whether or not the charging operation of the power supply 9 by the charge control unit 83 has been completed.

  In the present embodiment, the charging completion determination unit 85 determines charging completion based on the charging time information output from the charging control unit 83. It is also preferable to determine the completion of charging based on the information on the charging current output from the charging control unit 83.

  When the toilet device 100 is turned on, the power supply voltage detection unit 84 of the control unit 8 detects the input power supply voltage. Upon receiving this detection information, the current control unit 81 first supplies power to the charge control unit 83. The power supply 9 is charged.

  The current control unit 81 does not supply power to the device control unit 82 while charging the power source 9 via the charge control unit 83.

  Completion of the charging operation of the charging control unit 83 is determined by the charging completion determination unit 85. If the charging completion determination unit 85 determines that the charging is complete, the current control unit 81 that has received the determination information ends the power supply to the charging control unit 83 and enables the power supply to the device control unit 82.

  That is, the control unit 8 included in the toilet device 100 according to the present embodiment automatically performs the charging operation of the power source 9 immediately after the toilet device 100 is turned on. Even if the button is operated, the current supply to the high load device 10 is not performed. The control unit 8 permits the current supply to the high load device 10 after the charging operation of the power source 9 is completed.

  Here, the high load device 10 includes the electric device 4, the heater 71 for the toilet seat 7, and the local cleaning device 6 as described above. Therefore, in the toilet device 100 of the present embodiment, even when the user operates the operation button for instructing the drainage during the charging operation of the power source 9, the control unit 8 drives the electric device 4 to hold the trap 2 There is no operation.

  Similarly, in the toilet device 100 of the present embodiment, even when the user operates an operation button for instructing heating of the toilet seat 7 during the charging operation of the power supply 9, the control unit 8 does not supply current to the heater 71. . Further, even when the user operates an operation button for instructing local cleaning during the charging operation of the power source 9, the control unit 8 does not supply current to the local cleaning device 6.

FIG. 3 schematically shows current supply performed by the control unit 8 of the present embodiment. The vertical axis is current, and the horizontal axis is time. As illustrated, in the present embodiment, after the supply of the current i ₁ for charging the power supply 9 is completed at time t ₁ , the supply of the current i ₂ to the high load device 10 is permitted. Therefore, the supply of the current i ₁ for charging the power source 9 and the supply of the current i ₂ to the high load device 10 are not performed simultaneously. Therefore, the maximum amount of current used can be suppressed, and it is not necessary to provide a large board or component in order to increase the current rating, thereby reducing the manufacturing cost.

  FIG. 4 schematically shows current supply in the comparative example. The vertical axis is current, and the horizontal axis is time. This comparative example shows the control of the toilet device described above as the prior art, and shows current supply when a high load operation is possible even during the charging operation.

In this case, since the supply of the current i ₁ for charging the power supply and the supply of the current i ₂ to the high load device are performed at the same time, and the ability to supply the current i ₁ + i ₂ is required, the toilet device The manufacturing cost of On the other hand, the toilet device 100 of this embodiment can be provided at low cost.

  As described above with reference to the accompanying drawings, the toilet device 100 according to the present embodiment operates the bowl 1 having the drain port 11, the cylindrical trap 2 connected to the drain port 11, and the trap 2. The electric equipment 4 which switches a sealing attitude | position and a drainage attitude | position is thereby comprised. The toilet device 100 further includes a backup power source 9 that supplies power to the electric device 4 at the time of a power failure, and a control unit 8. The power source 9 only needs to be rechargeable. In the present embodiment, a large-capacity capacitor is used as the power source 9, but other members such as a secondary battery may be used.

  The control unit 8 performs charge control for charging the power source 9 and drive control for the high-load device 10 including the electric device 4. The control unit 8 is provided so as to prohibit the drive control of the high load device 10 when charging the power source 9 and permit the drive control of the high load device 10 when charging of the power source 9 is completed. ing.

  Therefore, in the toilet device 100 of this embodiment, the current supply for charging the power supply 9 and the current supply to the high load device 10 are not performed simultaneously. Therefore, in the toilet device 100 of the present embodiment, the maximum amount of current used can be suppressed, and it is not necessary to provide a large board or each component in order to increase the current rating, and the manufacturing cost can be reduced.

  The toilet device 100 of the present embodiment further includes an electric on-off valve 52 that starts and stops water supply to the bowl 1. The power source 9 supplies power to the electric on-off valve 52 at the time of a power failure.

  Therefore, in the toilet device 100 of this embodiment, the water supply in the bowl 1 can be started and stopped also at the time of a power failure. In addition, since the increase in the maximum amount of current used can be suppressed, the manufacturing cost can be reduced.

  Moreover, in the toilet device 100 of this embodiment, the control part 8 is provided so that charging completion may be determined based on elapsed time or the amount of electric current charged.

  When it is provided so as to determine the completion of charging based on the elapsed time, the manufacturing cost can be further suppressed because a complicated detection means is unnecessary.

  When it is provided so as to determine the completion of charging based on the amount of current to be charged, it is possible to more reliably determine the completion of charging and charge the power source 9 more reliably.

  Although the present invention has been described based on the embodiments shown in the accompanying drawings, the present invention is not limited to the above-described embodiments, and appropriate design changes may be made within the intended scope of the present invention. Is possible.

Claims (4)

A bowl having a drain,
A cylindrical trap connected to the drain outlet;
An electric device that switches between a sealing posture and a draining posture by operating the trap;
A backup power source for supplying power to the electric device in the event of a power failure;
A control unit,
The controller is
Charge control for charging the power supply and drive control for high-load equipment including the electric equipment are performed. When charging the power supply, drive control for the high-load equipment is prohibited and charging of the power supply is performed. A toilet device that permits drive control of the high-load device when the operation is completed. An electric on-off valve for starting and stopping water supply to the bowl;
The power supply is
The toilet device according to claim 1, wherein power is also supplied to the electric on-off valve during a power failure. The controller is
The toilet apparatus according to claim 1 or 2, wherein the completion of charging is determined based on an elapsed time. The controller is
The toilet apparatus according to claim 1, wherein the completion of charging is determined based on a current amount to be charged.

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