JP2006026124A - Excrement disposal device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an excrement disposal device for preventing water or filth from spouting out to the outside. <P>SOLUTION: The excrement disposal device has an excrement disposal body 14a connected to a diaper via a hose. The excrement disposal body 14a comprises an excrement tank 200, a washing water reservoir tank, a washing water feeding pump, and a blower. The filth inside the diaper is sucked, or the inside of the diaper is washed, by operating the water feeding pump and the blower based on an operation command from a control device. The hose comprises a diaper suction hose 16 connected to the excrement tank, a blast hose 17 connected to the outlet side of the blower and a washing water hose 18 connected to the outlet side of the water feeding pump. The excrement disposal device also comprises detection means 471 and 481 for detecting the connection of the hoses 16, 17 and 18, and a permitting means for permitting the operation of the excrement disposal body 14a when the connection of the hoses 16, 17 and 18 is detected. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an excrement disposal apparatus connected to a diaper via a hose.

Generally, a hose that connects the diaper and the excrement disposal main body, a casing that accommodates the excrement disposal main body, and a lid that closes the storage portion of the casing, and the excrement with the lid closed. There is known an excrement disposal apparatus that operates a treatment main body and sucks filth in a diaper or cleans the inside of a diaper (see, for example, Patent Document 1). In this type of excrement disposal apparatus, an excretion tank in which filth is stored is installed in the casing, and when the filth in the excretion tank is discarded, the lid of the casing is opened and the hose is excreted by the caregiver. It is general that the excretion tank is removed from the housing by being removed from the object processing body. Then, the empty excretion tank is installed in the casing again, and a hose is connected to the connection port of the excrement disposal main body by the caregiver, and the lid of the casing is closed.
JP 2002-153498 A

However, in the excrement disposal apparatus, if the caregiver forgets to connect one end of the hose to the excrement disposal main body or if the hose is not properly connected, the excrement disposal main body is operated. There has been a problem that water and filth are ejected to the outside from one end of the hose or the excrement disposal main body.
Then, the objective of this invention is providing the excrement processing apparatus which eliminates the subject which the prior art mentioned above has, and prevents that a water and filth are spewed outside.

  In order to solve the above-mentioned problem, the present invention includes an excrement disposal main body connected to a diaper via a hose, and the excrement disposal main body includes an excretion tank, a wash water storage tank, a wash water feed pump, and In an excrement disposal apparatus that includes a blower, and operates the water supply pump and the blower on the basis of an operation command from a control device to suck filth in the diaper or wash the diaper. Detecting means for detecting the connection of each hose including a filth suction hose connected to the tank, a blower hose connected to the discharge side of the blower blower, and a wash water hose connected to the discharge side of the water pump Including permission means for permitting operation of the excrement disposal main body when an operation command is output from the control device and connection of each hose is detected. To.

  In this case, it is good also as a structure provided with the housing | casing which accommodates an excrement processing main body, and equipped with a detection means in this housing | casing.

  Moreover, it is good also as a structure which comprises a connection tool in the connection end of each hose, and this connection tool contacts the detection means, and the connection of a hose is detected.

  According to the present invention, it is possible to prevent water and filth from being ejected to the outside.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a configuration of an excrement disposal system 1 according to an embodiment of the present invention. As shown in FIG. 1, the excrement disposal system 1 includes a diaper 12 that is worn on the lower back of the user 3 and an excrement disposal apparatus 14 that sucks and accumulates excrement or sewage in the diaper 12. . The diaper 12 and the excrement disposal apparatus 14 are connected by a filth suction hose 16, a washing water hose 17 and a blower hose 18, and the excrement disposal apparatus 14 receives washing water or the like via the washing water hose 17 or the ventilation hose 18. Air is supplied into the diaper 12, and the filth in the diaper 12 is sucked into the excrement disposal apparatus 14 through the filth suction hose 16. Reference numeral 10 denotes a mat on which the user 3 lies.

  FIG. 2 is a diagram illustrating a circuit configuration of the excrement disposal apparatus 14. As shown in FIG. 2, the excrement disposal apparatus 14 includes an excretion tank 200 that stores excrement or sewage (including washing water). The excretion tank 200 is connected to the diaper via the filth suction hose 16. 12 filth suction hose connection ports are connected. The excretion tank 200 includes a liquid level sensor 201 and a separator 202, and the liquid level sensor 201 detects the liquid level position of excrement and sewage stored in the excretion tank 200. The separator 202 removes the liquid and allows only the gas to pass. The separator 202 is connected to the suction port of the blower blower 205 via the air pipe 140, the deodorizing / sterilizing device 207, and the air pipe 141. The deodorizer / sterilizer 207 deodorizes and disinfects the air sucked from the excretion tank 200.

  An air pipe 143, a branch pipe 144, and an air pipe 145 are sequentially connected to the discharge port of the blower blower 205, and the air pipe 145 is connected to the blower hose connection port of the diaper 12 via the blower hose 18. In the diaper 12, a cleaning port 134a communicating with the blower hose connection port is formed. The air sterilized by the deodorizer / sterilizer 207 and discharged from the blower blower 205 is supplied into the diaper 12 through the cleaning port 134a.

  A branch pipe 144 is connected between the air pipe 143 and the air pipe 145. The branch pipe 144 branches in two directions via the air pipe 150, the two-way valve 218, the air pipe 151, and the branch pipe 170. One is connected to a wash water tank (wash water storage tank) 210 via a water pipe 149, a water pump (wash water feed pump) 215 and a water pipe 148, and the other is connected via a water pipe 152 and a wash water hose 17. The diaper 12 is connected to the cleaning water hose connection port. In the diaper 12, cleaning ports 130a and 130b communicating with the cleaning water hose connection port are formed. Each of the cleaning ports 130a and 130b has a small hole at the tip, and the user's local area is cleaned with cleaning water sprayed through the small hole.

  In this configuration, the above-described cleaning port 134a has an opening area larger than the small holes provided in the cleaning ports 130a and 130b, and the blower 205 and the water pump 215 with the two-way valve 218 opened. Is operated, air and cleaning water are mixed and supplied into the diaper 12 through the cleaning port 134a. This is because the pressure loss is smaller when flowing into the diaper 12 through the cleaning port 134a than when flowing into the diaper 12 through the cleaning ports 130a and 130b.

  The wash water tank 210 is a tank in which wash water supplied into the diaper 12 is stored, and includes a hot water heater 211, a thermistor 212, and a float sensor (water level meter) 213. The hot water heater 211 warms the wash water in the wash water tank 210, the thermistor 212 detects the temperature of the wash water, and the float sensor (water level meter) 213 cleans the wash water tank 210. It is for detecting the amount of water. Further, a water pipe 147 is connected to the bottom of the wash water tank 210, and when the drain cock (stopcock) 214 provided in the middle of the water pipe 147 is opened, the wash water in the wash water tank 210 is discharged to the outside. Is done.

  In addition, the excrement disposal apparatus 14 includes a control unit 216 that controls the entire excrement disposal apparatus 14, and the control unit 216 controls the blower 205, the hot water heater 211, the water pump 215, the two-way valve 218, and the like. Is controlled.

  Next, the operation of the excrement disposal apparatus 14 will be described. The two-way valve 218 is closed in the initial state.

  This operation is roughly divided into three processes, a suction process, a cleaning process, and a draining process.

  First, the suction process is an operation of sucking excrement and the like from the diaper 12, and the control unit 216 opens the two-way valve 218 and operates the blower blower 205. As a result, the air inside the excretion tank 200 is sucked by the blower blower 205 and kept at a negative pressure, and the filth suction hose 16, the excretion tank 200, and the air blow from the diaper side filth suction hose connection port provided in the filth collection tray 120. While air flows toward the blower 205, air circulates in the diaper 12 from the discharge port of the blower blower 205 through the air pipe 143, the air pipe 145, the blower hose 18, and the cleaning port 134 a.

  At this time, when the control unit 216 operates the water pump 215, the cleaning water flows from the cleaning water tank 210 to the air pipe 145 through the water pipe 148, the water pipe 149, the branch pipe 170, and the two-way valve 218. This is because the pressure loss is low because the opening area of the cleaning port 134a is larger than the small holes provided in the cleaning ports 130a and 130b as described above. And in the state which the said washing water and air were mixed in this air pipe 145, it is sent to the diaper 12 via the ventilation hose 18, and it raises the fluidity | liquidity of a filth by being injected from the washing port 134a. It is for sucking filth.

  More specifically, when the blower blower 205 is operated, the excretion tank 200 is maintained at a negative pressure, and only the air in the excretion tank 200 is guided to the air pipe 140 by the separator 202, and the deodorization / sterilizer 207 The odor contained in the air is removed and sterilized, and flows into the suction port of the blower blower 205. Further, the air discharged from the discharge port of the blower blower 205 is deodorized and sterilized as described above, and is guided into the diaper 12 so that the inside of the diaper 12 is kept hygienic.

  Next, the cleaning process is an operation of cleaning each part of the user 3. First, the control unit 216 operates the blower blower 205. As a result, the inside of the excretion tank 200 is sucked by the blower blower 205 and kept at a negative pressure, and the filth suction hose 16, the excretion tank 200, the diaper-side filth suction hose connection port 122 provided in the filth collection tray 120, While air flows toward the blower blower 205, air circulates in the diaper 12 from the discharge port of the blower blower 205 through the air pipe 143, the air pipe 145, the blower hose 18, and the cleaning port 134 a.

  At this time, by operating the water pump 215, the cleaning water is sprayed from the cleaning water tank 210 through the water pipe 148, the water pipe 149, the branch pipe 170, and the cleaning water hose 17 from the cleaning ports 130a and 130b of the diaper 12. That is, in this cleaning process, in order to suck cleaning water from the diaper 12, air circulation similar to the air circulation in the above-described suction process is also performed.

  The draining process is an operation of draining the cleaning water accumulated in the cleaning water hose 17, and the control unit 216 opens the two-way valve 218 after the cleaning process is finished (that is, after the water pump 215 is stopped), and blows air. The blower 205 is operated. Thereby, a part of the air discharged from the blower blower 205 is guided to the washing water hose 17 through the branch pipe 144, the air pipe 150, the two-way valve 218, the air pipe 151, the branch pipe 170, and the water pipe 152. The washing water accumulated in the washing water hose 17 can be drained. Thereby, the low temperature water collected in the water pipe at the start of the next cleaning can be reduced, and the low temperature cleaning water ejected to the user 3 can be reduced.

  FIG. 3 is a perspective view showing the appearance of the excrement disposal apparatus 14. As shown in FIG. 3, the excrement disposal apparatus 14 includes an excrement disposal main body 14a and a casing 15 in which the excrement disposal main body 14a is accommodated. The casing 15 is formed in a box shape having an upper opening, and is provided with a storage portion 15a for storing the excrement disposal main body 14a. A lid 15b that can be opened and closed is provided above the storage portion 15a. Yes. The storage unit 15a stores an excretion tank 200 and a deodorizing / sterilizing device 207 as a part of the excrement disposal main body 14a. The excrement disposal main body 14a includes an excretion tank 200, a washing water tank 210, a water pump 215, a blower blower 205, and the like.

  The housing 15 is provided with an opening 400 at an upper portion of one side surface of the housing 15, and the opening 400 has a filth suction hose connection pipe 21 to which one end 16 a of the filth suction hose 16 is connected, and a washing water hose. A cleaning water hose connection pipe 22 to which one end 17a of 17 is connected and a blower hose connection pipe 23 to which one end 18a of the blower hose 18 is connected are provided. The waste suction hose connection pipe 21 is connected to the excretion tank 200, the washing water hose connection pipe 22 is connected to the water pipe 152 (FIG. 2), and the blower hose connection pipe 23 is connected to the air pipe 145 (FIG. 2).

  At one end 16 a of the filth suction hose 16, a locking member 401 (connector) that holds the one end 16 a of the filth suction hose 16 is provided. The one end 17a of the cleaning water hose 17 and the one end 18a of the blower hose 18 are provided with a locking member 402 (connector) that integrally holds the one end 17a of the wash water hose 17 and the one end 18a of the blower hose 18. It has been.

  On the other hand, a connecting pipe engaging portion 403 is formed in the filth suction hose connecting pipe 21. Further, a connecting pipe engaging portion 404 is formed in the cleaning water hose connecting pipe 22 and the blower hose connecting pipe 23. Then, the locking member 401 is engaged and locked with the connection pipe engaging portion 403, whereby the one end 16 a of the filth suction hose 16 is connected to the filth suction hose connection pipe 21. Further, the locking member 402 is engaged and locked with the connecting pipe engaging portion 404, so that the one end 17a of the cleaning water hose 17 and the one end 18a of the blower hose 18 are respectively connected to the cleaning water hose connecting pipe 22 and the blower. Connected to each of the hose connection pipes 23.

  Further, the excrement disposal main body 14a includes a sensor 220 that detects opening and closing of the lid 15b. The sensor 220 is, for example, a limit switch or the like, and is installed at a location where the lid 15b is in contact with the lid 15b when the lid 15b is closed in the housing 15, and is connected to the control unit 216.

  When the lid 15b is opened as a result of the detection of the opening / closing of the lid 15b by the sensor 220, the control unit 216 operates the blower 205 (FIG. 2) and the water pump 215 (FIG. 2) of the excrement disposal main body 14a. Ban. For example, when the lid 15b is opened during the operation of the excrement disposal main body 14a, the control unit 216 immediately stops the operation of the blower blower 205 and the water pump 215.

  As described above, the housing 15 includes the opening 400 desired by the respective hose connection pipes 21, 22, and 23 to which the respective hoses 16, 17, and 18 are connected. FIG. 4 is a partial perspective view of the vicinity of the opening 400 showing a state in which the hoses 16, 17, 18 are connected to the hose connecting pipes 21, 22, 23, respectively.

  As shown in FIG. 4, the locking member 401 of the filth suction hose 16 is provided with a pair of operation units 405 that can be attached and detached by an operator. The pair of operation portions 405 are provided with the one end 16 a of the filth suction hose 16 interposed therebetween. Similarly, the locking member 402 of the cleaning water hose 17 and the blower hose 18 is provided with a pair of operation parts 406 that are attached and detached by an operator.

  When the operator operates the operation unit 405, the locking member 401 can be attached to and detached from the connection pipe engaging part 403, and the one end 16 a of the filth suction hose 16 can be attached to and detached from the filth suction hose connection pipe 21. . Further, the locking member 402 can be attached to and detached from the connecting pipe engaging portion 404 by operating the operation portion 406 by the operator, and each of the one end 17a of the washing water hose 17 and the one end 18a of the blower hose 18 is washed with water. The hose connection pipe 22 and the blower hose connection pipe 23 can be attached to and detached from each other.

  By the way, the caregiver forgets to connect one of the ends 16a, 17a, 18a of the hose to the hose connection pipes 21, 22, 23 of the excrement disposal main body 14a, or the hose is not properly connected. Any one of the ends 16a, 17a, and 18a of the hose may come off from the hose connecting pipes 21, 22, and 23. If the excrement disposal main body 14a is operated in such a state, water and filth are ejected to the outside from the one end 16a, 17a, 18a of the hose or the hose connection pipes 21, 22, 23. .

  In this embodiment, a limit switch is provided for detecting that one end 16a, 17a, or 18a of the hose is connected to the hose connecting pipe 21, 22, or 23.

  The opening 400 includes a rectangular cutout 451 formed on one side surface of the housing 15, and a plate member 453 that is connected to the periphery of the cutout 451 and is recessed toward the inside of the housing 15. This plate member 453 is connected to the lower edge 451a of the notch, and a bottom surface part 455 positioned below each hose 16, 17, 18; a side surface part 459 provided to be connected to the side edge 451b of the notch 451; The bottom surface portion 455 and the back surface portion 457 provided continuously to the side surface portion 459 are provided. The rear portion 457 has a first notch 461 for leading the filth suction hose connection pipe 21 to the outside of the housing 15, and the cleaning water hose connection pipe 22 and the blower hose connection pipe 23. A second notch 463 is formed to lead to the first.

  In this configuration, the plate member 453 is formed to be recessed inside the housing 15 and includes a bottom surface portion 455 positioned below each hose 16, 17, 18. Even if it hangs down, the sag falls not on the inside of the housing 15 but on the bottom surface portion 455. Therefore, the excrement disposal apparatus 14 can be kept clean by cleaning the bottom surface portion 455.

  A first limit switch for detecting that the filth suction hose 16 is connected to the filth suction hose connection pipe 21 on the back surface portion 457 located between the first notch 461 and the second notch 463. (Detection means) 471 and a second limit switch (detection means) 481 for detecting that the washing water hose 17 and the blower hose 18 are connected to the wash water hose connection pipe 22 and the blower hose connection pipe 23. ing. As described above, since the washing water hose 17 and the blower hose 18 are integrally connected to the wash water hose connection pipe 22 and the blower hose connection pipe 23 by the locking member 402, the wash water hose 17 and the blower hose 18 are connected. It is sufficient to provide only one limit switch for detecting that is connected to the washing water hose connection pipe 22 and the blower hose connection pipe 23.

  The first and second limit switches 471 and 481 include switch bodies 473 and 483 and flat plates 475 and 485 connected to the switch bodies 473 and 483. The flat plates 475 and 485 rotate in the axial direction of the respective hose connecting pipes 21, 22 and 23 around the rotating shafts 477 and 487, and face the outside of the housing 15 in a state where the respective hoses are not connected. (X direction in the figure). The switch bodies 473 and 483 are connected to a control unit (permission means) 216 (FIG. 2) via signal lines (not shown). As a result of detection by the first and second limit switches 471 and 481, the control unit 216 is only when all the hoses 16, 17, and 18 are connected to the respective hose connection pipes 21, 22, and 23. It is configured to permit the operation of the blower 205 (FIG. 2) and the water pump 215 (FIG. 2) of the excrement disposal main body 14a.

  According to this, for example, when the blower 205 and the water pump 215 are operated in a state in which the filth suction hose 16 is detached from the filth suction hose connection pipe 21, the filth in the diaper 12 becomes filth suction hose. 16 can be prevented from being ejected to the outside from one end 16a. Further, for example, when the blower blower 205 and the water pump 215 are operated in a state where the washing water hose 17 and the blower hose 18 are disconnected from the wash water hose connection pipe 22 and the blower hose connection pipe 23, the washing water It is possible to prevent washing water and the like from being ejected from the hose connection pipe 22 and the blower hose connection pipe 23 to the outside.

  When the locking member 401 of the filth suction hose 16 is connected to the filth suction hose connection pipe 21, the end surface 405a of the operation portion 405 of the locking member 401 comes into contact with the flat plate 475 of the first limit switch 471. The flat plate 475 rotates against the urging force in the inner direction of the casing 15 (Y direction in the figure) and closes the contact of the switch body 473. Similarly, when the locking member 402 of the flush water hose 17 and the blower hose 18 is connected to the flush water hose connection pipe 22 and the blower hose connection pipe 23, the end surface 402a of the latching member 402 becomes the second limit switch. The flat plate 485 comes into contact with the flat plate 485, and the flat plate 485 rotates against the urging force in the inner direction of the housing 15 (Y direction in the drawing) to close the contact of the switch body 483.

  When each hose 16, 17, 18 is connected to each hose connection pipe 21, 22, 23 and the first and second limit switches 475, 485 are actuated, the control unit 216 controls the excrement disposal main body. The operation of 14a is permitted, and the excrement disposal main body 14a is driven according to the driving command of the caregiver or the user.

  According to this embodiment, the first limit switch 471 for detecting that the locking member 401 of the filth suction hose 16 is connected to the filth suction hose connection pipe 21, and the locking of the cleaning water hose 17 and the blower hose 18. A second limit switch 481 for detecting that the member 402 is connected to the washing water hose connection pipe 22 and the blower hose connection pipe 23, and these first and second limit switches 471 and 481 connect the respective hoses. When detected, since the operation of the excrement disposal main body 14a is permitted, the operation of the excrement disposal main body 14a is performed with the hoses 16, 17, 18 disconnected from the respective hose connection pipes 21, 22, 23. By prohibiting the filth, it is possible to prevent the filth from being ejected from the filth suction hose 16 to the outside, and the washing water is supplied to the hose connection ports 22 It is possible to prevent the ejected outside from.

  Moreover, in this embodiment, since it is set as the structure which provides the latching members 401 and 402 in the connection end of each hose, and this latching members 401 and 402 contact | abuts the limit switches 471 and 481 and detects the connection of a hose. When the hose is connected, since it is possible to visually check whether or not the locking members 401 and 402 are in contact with the limit switches 471 and 481, the hoses 16, 17, and 18 are connected to the hose connecting pipes 21, 22, and 23. It is possible to securely connect, and consequently, it is possible to prevent filth from being ejected to the outside from the filth suction hose 16 and to prevent washing water from being ejected from the hose connection ports 22 and 23 to the outside. Can do.

  As mentioned above, although this invention was demonstrated based on one Embodiment, this invention is not limited to this. For example, in the present embodiment, the limit switches 471 and 481 for detecting the connection of the hose are provided on the back surface portion 457 of the opening 400 where the locking members 401 and 402 of the respective hoses come into contact. You may provide in the side part 459 or the bottom face part 455. FIG. In this case, it is desirable that a contact member be provided on each of the locking members 401 and 402 so that the locking members 401 and 402 are securely in contact with the limit switches 471 and 472.

  In this embodiment, limit switches 471 and 481 are described as detection means for detecting the connection of the hose, but the present invention is not limited to this. In the present embodiment, the opening 400 of the housing 15 includes limit switches 471 and 481 that detect that the hoses 16, 17, and 18 are connected to the hose connection ports 21, 22, and 23. However, the operation circuit of the excrement disposal apparatus (for example, the signal line of the sensor 200) is divided, and the divided signal lines are connected to the terminals, and a conductive member for connecting the terminals to the hose side is provided. It is good also as a structure which enables this operation member to connect between the said terminals and to operate an operation circuit, when providing and connecting a hose.

It is a figure which shows the structure of the excrement disposal system concerning embodiment of this invention. It is a figure which shows the circuit structure of a diaper and excrement disposal apparatus. It is a perspective view which shows the external appearance of a waste disposal apparatus. It is a fragmentary perspective view of the opening part vicinity which shows the state by which each hose was connected to each hose connection pipe.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Excrement disposal system 12 Diaper 14 Excrement disposal apparatus 14a Excrement disposal main body 15 Housing | casing 15b Lid 16 Soil waste suction hose (hose)
17 Washing water hose (hose)
18 Blower hose
200 Excretion tank 205 Blower (cleaning water storage tank)
210 Wash water tank 215 Water pump (wash water feed pump)
216 Control unit (permission means)
400 Openings 401, 402 Locking member (connector)
471, 481 Limit switch (detection means)

Claims (3)

The excrement disposal main body is connected to the diaper via a hose, and the excrement disposal main body includes an excretion tank, a wash water storage tank, a wash water feed pump, and a blower blower. In the excrement disposal apparatus that operates the blower based on the operation command from the control device, sucks the filth in the diaper, or cleans the diaper,
The hose includes a filth suction hose connected to the excretion tank, a blower hose connected to the discharge side of the blower blower, and a wash water hose connected to the discharge side of the water pump. Including a detecting means for detecting, and provided with permission means for permitting operation of the excrement disposal main body when an operation command is output from the control device and connection of each hose is detected. Excrement disposal device.   2. The excrement disposal apparatus according to claim 1, further comprising a housing for housing the excrement disposal main body, wherein the housing includes the detection unit. Each hose has a connector at the connection end,
The excrement disposal apparatus according to claim 1 or 2, wherein the connection of the hose is detected by abutment of the coupling tool on the detection means.

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