CN108784975B

CN108784975B - Nursing machine and wearable working head thereof

Info

Publication number: CN108784975B
Application number: CN201711158139.9A
Authority: CN
Inventors: 陆为东; 宋强; 李周恩
Original assignee: Suzhou Alton Electrical and Mechanical Industry Co Ltd
Current assignee: Suzhou Alton Electrical and Mechanical Industry Co Ltd
Priority date: 2017-11-20
Filing date: 2017-11-20
Publication date: 2022-01-14
Anticipated expiration: 2037-11-20
Also published as: CN108784975A; CN114392081A; CN114392081B

Abstract

A nursing machine comprises a wearable working head and a urine detection circuit, wherein the working head comprises a feces groove for accommodating excrement, the urine detection circuit comprises a first group of urine sensors and a second group of urine sensors which are arranged on the working head, the first set of urine sensors includes at least two first urine sensors spaced apart, the second set of urine sensors includes at least two second urine sensors spaced apart, the urine detection circuit outputs a urine signal when the more than one first urine sensor outputs a signal that detects liquid or when the more than one second urine sensor outputs a signal that detects liquid, when only one first urine sensor or only one second urine sensor or only one first urine sensor and one second urine sensor output a signal to detect liquid, the urine detection circuit does not output a urine signal. By such design, improper start of the urine disposal procedure can be avoided.

Description

Nursing machine and wearable working head thereof

[ technical field ] A method for producing a semiconductor device

The invention relates to a nursing machine and a wearable working head thereof.

[ background of the invention ]

With the improvement of living standard of people, bedridden patients who can not take care of themselves in urination and defecation caused by diseases such as cardiovascular and cerebrovascular diseases and the like are increased year by year, great pressure is brought to families and society, the patients can not take care of themselves in defecation, assistance of accompanying personnel is needed, the defecation time of the patients is uncertain, the workload of the accompanying personnel is increased, and great pain and burden are caused to the physiology, especially the spirit of the patients. Therefore, medical institutions and patients often use special defecation nursing machines to automatically clean human excrement and clean and dry the lower body through the main nursing machine and the wearable working head. A plurality of urine sensors are arranged in the working head, and a urine treatment program can be triggered by mistake when any urine sensor outputs a signal for detecting liquid, so that if a small amount of liquid such as water left or condensed in the working head moves to or is positioned in a detectable area of one urine sensor, the urine treatment program can be triggered by mistake, and thus, the nursing machine is enabled to suck and clean too much, resources are wasted, and the psychology and normal rest of a patient are influenced by frequent cleaning.

[ summary of the invention ]

The invention aims to provide a nursing machine for preventing urine processing program from being triggered by mistake.

In order to solve the technical problems, the invention adopts the following technical scheme: a nursing machine comprises a wearable working head and a urine detection circuit, wherein the working head comprises a feces groove for accommodating excrement, the urine detection circuit comprises a first group of urine sensors and a second group of urine sensors which are arranged on the working head, the first set of urine sensors includes at least two first urine sensors spaced apart, the second set of urine sensors includes at least two second urine sensors spaced apart, the urine detection circuit outputs a urine signal when the more than one first urine sensor outputs a signal that detects liquid or when the more than one second urine sensor outputs a signal that detects liquid, when only one first urine sensor or only one second urine sensor or only one first urine sensor and one second urine sensor output a signal to detect liquid, the urine detection circuit does not output a urine signal.

By the design, the urine signals can be finally output only by the cooperative work of the first urine sensors or the second urine sensors, so that liquid such as a small amount of water left or condensed in the working head can be prevented from moving to or being in a detectable area of one of the urine sensors, and the urine processing program of the nursing machine is mistakenly triggered, and the improper starting of the urine processing program can be avoided.

Optionally, the number of the first urine sensors and the number of the second urine sensors are two respectively.

Optionally, the urine detection circuit includes a first detection circuit and a second detection circuit, the two first urine sensors belong to the first detection circuit, the two second urine sensors belong to the second detection circuit, the first detection circuit outputs a high level when both the two first urine sensors output a signal for detecting liquid, the first detection circuit outputs a low level when none or only one of the two first urine sensors output a signal for detecting liquid, the second detection circuit outputs a high level when both the two second urine sensors output a signal for detecting liquid, and the second detection circuit outputs a low level when none or only one of the two second urine sensors output a signal for detecting liquid.

Optionally, the urine detection circuit includes a urine signal circuit, the urine signal circuit outputs a urine signal after receiving a high level output by the first detection circuit or the second detection circuit, and the urine signal circuit does not output a urine signal after receiving a low level output by the first detection circuit and the second detection circuit.

Optionally, the urine signal output by the urine signal circuit is at a low level, the urine signal circuit does not output a urine signal, and then the urine signal circuit outputs a high level, the signal output by the first urine sensor and used for detecting liquid is at a low level, and the signal output by the second urine sensor and used for detecting liquid is at a low level.

Optionally, the first group of urine sensors and the second group of urine sensors are located below the excrement trough.

Optionally, the first group of urine sensors is located on the left side of the second group of urine sensors, the first urine sensors are arranged in front of the rear, and the second urine sensors are arranged in front of the rear. The first group of urine sensors and the second group of urine sensors are arranged left and right, so that the urine detection accuracy and timeliness of the human body when the human body lies on the left side or the right side can be effectively guaranteed.

Optionally, a plurality of mounting grooves are arranged below the excrement groove, and the first urine sensors and the second urine sensors are respectively arranged in the corresponding mounting grooves in a one-to-one correspondence manner. And the first urine sensor and the second urine sensor are respectively glued and bonded in the corresponding mounting grooves.

Optionally, the front wearing part comprises a first shell, the mounting groove and the excrement groove are respectively arranged on the first shell, and the mounting groove is back to back with the excrement groove.

Optionally, the front wearing portion includes a first housing, the first housing includes a trough bottom wall, a left side trough wall extending upward from a left edge of the trough bottom wall, and a right side trough wall extending upward from a right edge of the trough bottom wall, the left side trough wall, the right side trough wall, and the trough bottom wall are respectively a trough wall of the urinal, each of the first urine sensors is disposed on a bottom surface of the trough bottom wall and relatively close to the left side trough wall to be away from the right side trough wall, and each of the second urine sensors is disposed on a bottom surface of the trough bottom wall and relatively close to the right side trough wall to be away from the left side trough wall.

Optionally, the first urine sensor and the second urine sensor are capacitance sensors.

Alternatively, all of the first urine sensors may be required to output a signal that liquid is detected or all of the second urine sensors may be required to output a signal that liquid is detected, and the urine detection circuit may output a urine signal.

Optionally, the urine detection circuit is disposed in the working head.

The invention also provides a nursing machine which comprises a nursing machine host and the working head, wherein the working head is connected with the nursing machine host through a pipeline.

The invention also provides a nursing machine, which comprises a wearable working head and a urine detection circuit, wherein the working head comprises a urine groove for accommodating excrement, the urine detection circuit comprises a plurality of urine sensors arranged on the working head, when more than one urine sensor outputs a signal for detecting liquid, the urine detection circuit outputs a urine signal, and when only one urine sensor outputs a signal for detecting liquid, the urine detection circuit does not output a urine signal.

The invention also provides a wearable working head for the nursing machine, which comprises a urine detection circuit and a feces groove for accommodating excrement, the urine detection circuit comprises a first group of urine sensors and a second group of urine sensors which are arranged on the working head, the first set of urine sensors includes at least two first urine sensors spaced apart, the second set of urine sensors includes at least two second urine sensors spaced apart, the urine detection circuit outputs a urine signal when the more than one first urine sensor outputs a signal that detects liquid or when the more than one second urine sensor outputs a signal that detects liquid, when only one first urine sensor or only one second urine sensor or only one first urine sensor and one second urine sensor output a signal to detect liquid, the urine detection circuit does not output a urine signal.

The invention also provides a nursing machine, which comprises a wearable working head, a first urine sensor group and a second urine sensor group, wherein the first urine sensor group and the second urine sensor group are arranged on the working head, the working head comprises a urine groove used for accommodating excrement, the first urine sensor group comprises at least two first urine sensors which are arranged at intervals, the second urine sensor group comprises at least two second urine sensors which are arranged at intervals, when more than one first urine sensor outputs a signal for detecting liquid or when more than one second urine sensor outputs a signal for detecting liquid, the human body is considered to urinate, and when only one first urine sensor or only one second urine sensor or only one first urine sensor and one second urine sensor outputs signals for detecting liquid, the human body is not considered to urinate.

Alternatively, it is necessary that all of the first urine sensors output a signal that liquid is detected or all of the second urine sensors output a signal that liquid is detected to regard the human body as urination.

The invention also provides a nursing machine, which comprises a wearable working head, a first group of urine sensors and a second group of urine sensors, wherein the first group of urine sensors and the second group of urine sensors are arranged on the working head, the working head comprises a urine groove for containing excrement, the first group of urine sensors comprise at least two first urine sensors which are spaced, the second group of urine sensors comprise at least two second urine sensors which are spaced, when the more than one first urine sensor outputs a signal of detecting liquid or when the more than one second urine sensor outputs a signal of detecting liquid, the urine processing program of the nursing machine is triggered, when only one first urine sensor or only one second urine sensor or only one first urine sensor and one second urine sensor output signals for detecting liquid, the urine processing program of the nursing machine is not triggered.

Optionally, all the first urine sensors output the liquid-detecting signal or all the second urine sensors output the liquid-detecting signal to trigger the urine processing program of the nursing machine.

The invention also provides a nursing machine, which comprises a wearable working head and a urine detection circuit, wherein the working head comprises a urine groove for accommodating excrement, the urine detection circuit comprises a plurality of urine sensors arranged on the working head, when more than one urine sensor outputs a signal for detecting liquid, the human body is considered to urinate, and when only one urine sensor outputs a signal for detecting liquid, the human body is not considered to urinate.

The invention also provides a nursing machine, which comprises a wearable working head and a urine detection circuit, wherein the working head comprises a urine groove for accommodating excrement, the urine detection circuit comprises a plurality of urine sensors arranged on the working head, when more than one urine sensor outputs a signal for detecting liquid, a urine treatment program of the nursing machine is triggered, and when only one urine sensor outputs a signal for detecting liquid, the urine treatment program of the nursing machine is not triggered.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a perspective view of a wearable work head for a care machine according to the present invention;

FIG. 2 is a perspective view of another angle of the wearable working head for a nursing machine according to the present invention;

FIG. 3 is an exploded view of a wearable workhead for a care machine according to the present invention;

FIG. 4 is an exploded view of another angle of the wearable head for a care machine according to the present invention;

FIG. 5 is a cross-sectional view of a wearable work head for a care machine of the present invention taken vertically;

FIG. 6 is a cross-sectional view of the wearable work head for a care machine of the present invention in horizontal section (the cross-section being taken through the latch structure);

FIG. 7 is another cross-sectional view of the wearable work head for a care machine of the present invention in horizontal section (the cross-section being through the inflation line);

FIG. 8 is an exploded view of the wearable workhead tray section for a care machine of the present invention;

FIG. 9 is an exploded view of another angle of the wearable workhead tray portion for a care machine of the present invention;

FIG. 10 is an exploded view of the rear seat of the wearable working head for a nursing machine according to the present invention;

FIG. 11 is an exploded view of the back seat of the wearable working head for a nursing machine of the present invention at another angle;

FIG. 12 is an exploded perspective view of the rear seat of the wearable working head for a nursing machine according to the present invention;

FIG. 13 is a perspective view of a first housing and a first tube section of a wearable work head for a nursing machine according to the present invention;

FIG. 14 is a perspective view of the first housing and the first tube section of the wearable work head for a nursing machine of the present invention at another angle;

FIG. 15 is a perspective view of a first housing of a wearable workhead for a care machine in accordance with the present invention;

FIG. 16 is a perspective view of a first housing of the wearable working head for a nursing machine according to the present invention (urine sensors, left and right front sprayers are mounted on the first housing);

FIG. 17 is an exploded view of the front right head of the wearable work head for a care machine according to the present invention;

FIG. 18 is an exploded view of another angle of the front right spray head of the wearable work head for a care machine according to the present invention;

FIG. 19 is a perspective view of the wearable working head elastic connector for a nursing machine according to the present invention;

FIG. 20 is a perspective view of a second fastener and a fourth fastener of the wearable work head for a nursing machine according to the present invention;

FIG. 21 is a circuit diagram of a wearable working head pee detection circuit for a nursing machine according to the present invention.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

Referring to fig. 1 to 21, the wearable work head for a nursing machine of the present invention is suitable for being worn on the crotch of a human body for a long time, automatically cleaning the excrement of the human body, and reducing the burden of the family members and the nursing staff. The wearable working head comprises a front wearing part, a rear seat, a gel cushion 90 and a lock catch structure. The front wearing part is worn on the human body. The locking structure is used for locking the front wearing part and the rear seat together.

The front wearing part comprises a tray part 1, a urine cover 2, an elastic connecting piece 3 and a gel gasket 91, wherein the tray part 1 is provided with a feces groove 10, the feces groove 10 can be used for containing excrement, and the gel gasket 91 is provided with a frame for fitting a human body in the feces groove 10 and a frame for fitting the human body in the urine cover 2. The gel material is soft, the shape recovery nature is good, be suitable for the curling for gel packing ring 91 is for the buffer packing ring of other materials, and the pressure between buffer working head and the human body that can be better avoids the working head to cause too big pressure to the human body and feels, improves the travelling comfort behind the human body wearing working head, and simultaneously, the adaptation that gel packing ring 91 can be better is human with the laminating, prevents that human excrement from revealing. The working head is worn on the human body to treat the excrement of the human body. A part of the gel gasket 91 extends along the periphery of the notch 100 of the urinal trough 10, and a part of the gel gasket 91 extends along the periphery of the cover opening 20 of the urinal cover 2. The gel washer 91 is bent in a U-shape between the urinal cover 2 and the urinal trough 10, and the gel washer 91 is in a long ring shape in a state of being spread and laid flat. The surface of the gel washer 91 is covered with a TPU protective film that prevents the gel from spilling out. The protective film is made of TPU (Thermoplastic polyurethane elastomer) material, can be transparent or opaque, is easy to break and overflow due to one of gel characteristics, and effectively prevents gel from breaking and overflowing.

Tray portion 1 is used for direct or indirect human buttock of bearing, just groove 10 forms in tray portion 1, and elastic connection spare 3 connects urine cover 2 and tray portion 1, elastic connection spare 3 and urine cover 2 link together and constitute the U-shaped, and elastic connection spare 3 is located the rear side of gel packing ring 91, and elastic connection spare 3's left and right both sides are connected with gel packing ring 91 respectively. The left and right sides of the elastic connecting piece 3 are respectively tightly attached to the gel gasket 91. The elastic connecting piece 3 can be made of rubber and is milky white. The elastic connecting piece 3 is provided with a left side folding edge 30 and a right side folding edge 31, the left side folding edge 30 and the right side folding edge 31 are positioned on the left side and the right side of the elastic connecting piece 3, and the left side folding edge 30 and the right side folding edge 31 are respectively positioned on the rear side of the gel gasket 91 and are connected with the gel gasket 91. The left side folding edge 30 and the right side folding edge 31 are respectively connected with the gel gasket 91 in a sealing way. The left side folding edge 30 and the right side folding edge 31 are respectively connected with the gel gasket 91 in an adhesive way. The urine cover 2 is provided with a recess 21 recessed from the cover opening 20, the recess 21 is mainly used for urination, and the elastic connection member 3 is provided with a guide groove 32 communicating the recess 21 with the excrement trough 10. The pocket 21 smoothly abuts the guide groove 32. The inner surface of the pocket 21 smoothly abuts the inner surface of the guide groove 32. Both the inner surface of the pocket 21 and the inner surface of the guide groove 32 are aligned at the interface. The cross-section of the guide groove 32 is arc-shaped.

The elastic connecting member 3 further includes a main body 33, the left folded edge 30 is bent leftward from a front left edge of the main body 33, the right folded edge 31 is bent rightward from a front right edge of the main body 33, and the guide groove 32 is formed in the main body 33. The body portion 33 is arcuate in cross-section. The elastic connector 3 further includes a rear connecting piece 34 bent backward from the lower edge of the main body 33, and an upper folded edge 35 bent and extended from the upper edge of the main body 33, and the rear connecting piece 34 is connected to the upper end of the tray part 1. The rear connecting sheet 34 is adhered to the surface of the upper end of the tray part 1, at least one positioning hole 340 is formed in the rear connecting sheet 34, a positioning protrusion 11 corresponding to the at least one positioning hole 340 is arranged at the upper end of the tray part 1, and the positioning protrusion 11 penetrates into the corresponding positioning hole 340. According to the scheme, the accurate installation position of the elastic connecting piece 3 relative to the tray part 1 is limited through the matching of the positioning hole 340 and the positioning bulge 11, and the elastic connecting piece 3 is bonded with the tray part 1 after being placed at the accurate installation position. The elastic attachment 3 further comprises an upper side flap 35 connected to the urine cup 2. The urine cover 2 is provided with an annular flange 22 around the cover opening 20 of the urine cover 2, and an upper flange 35 is attached to the lower rear surface of the annular flange 22. The left side and the right side of the recess 21 of the urine cover 2 are smoother, so that the urine on the left side or the right side of the recess 21 is easier to flow away and be absorbed after a human body wears the working head to lie on the left side or the right side, and the urine cover 2 is not easy to form liquid accumulation even if the human body lies on the side. The gel washer 91 is bonded to the lower surface of the annular flange 22. Gel cushion 90 is equipped with the breach 900 that is used for placing tray portion 1, and gel cushion 90 is including being located the left side portion of tray portion 1, being located the right side portion on tray portion 1 right side, being located the preceding lateral part of tray portion 1 front side, distributing in a plurality of convex closure 901 of left side portion upper surface, right side portion upper surface, preceding lateral part upper surface. The working head further comprises a cushion cover (not shown) sleeved on the periphery of the gel cushion 90, the position of the cushion cover corresponding to the notch 900 is connected with the bottom of the tray part 1, and the position of the cushion cover corresponding to the notch 900 is connected with the bottom of the tray part 1 through a magic tape and a magnetic buckle capable of being attracted together magnetically. The gel cushion 90 may also be integrated with the gel gasket 91 to form a unitary gel cushion. The upper end of the left folded edge 30 is connected with the left front end of the upper folded edge 35, and the upper end of the right folded edge 31 is connected with the right front end of the upper folded edge 35. The upper folded edge 35 is adhered to the urine cover 2, and the upper folded edge 35 is arc-shaped. The left and right folded

edges

30 and 31 are arc-shaped.

The tray part 1 is provided with a front edge 12 located in front of the excrement trough 10, the front edge 12 is formed with a recessed area 120 corresponding to the caudal vertebra of the human body, and the recessed area 120 is covered with a buffer (in the embodiment, the buffer is a gel gasket 91, and the buffer may be a gel gasket, a silica gel gasket, a sponge gasket, an air bag gasket, or the like, in the embodiment, the gel gasket 91 covers the recessed area 120). The leading edge 12 of prior art can cause great pressure to human caudal vertebra, cause caudal vertebra department uncomfortable after wearing the working head, this scheme has set up sunk area 120 to it has the buffer to cover on sunk area 120, wear the pressure that bears human caudal vertebra position directly or indirectly through sunk area 120 after the working head, has greatly reduced caudal vertebra's discomfort, promotes human wearing travelling comfort, and the travelling comfort of wearing the posterior vertebra for a long time is also secure. The recessed area 120 and the buffer covered on the recessed area are used for directly or indirectly bearing the caudal vertebra of the human body, so that the wearing comfort of the human body is improved. The recessed region 120 extends forwardly to the forwardmost end of the tray portion 1. The tray part 1 comprises a first shell 13, a first side wall 14, a second side wall 15, a rear side wall 16 and a bottom side wall 17, the excrement tank 10 is formed on the first shell 13, the front edge 12 is a part of the first shell 13, and nano silver particles are doped in the material of the first shell 13, so that the effects of bacteriostasis and sterilization are achieved, and the peculiar smell of the excrement tank is reduced. The first housing 13, the first side wall 14, the second side wall 15, the rear side wall 16 and the bottom side wall 17 are assembled together, and the joint between the first housing and the bottom side wall is sealed by glue. The first housing 13 includes a tank bottom wall 130, a tank front wall 131 extending upward from a front edge of the tank bottom wall 130, a tank rear wall 132 located at a rear side of the tank 10 and extending upward, a left tank wall 133 extending upward from a left edge of the tank bottom wall 130, and a right tank wall 134 extending upward from a right edge of the tank bottom wall 130, the tank front wall 131 being integrally connected to the front edge 12 and stopping on a rear side of the recessed area 120. The bumper also covers the channel front wall 131. The bumper is bonded to the top of the channel front wall 131. A notch 135 is formed above the tank front wall 131 between the recessed area 120 and the tank 10. The bumper covers the notch 135. The portion of the bumper that covers the recessed area 120 is thicker than the portion of the bumper that covers the notch 135. The bumper is bonded to the surface of the recessed region 120. The tank front wall 131 integrally connects the front edge 12 and stops at the rear side of the recessed region 120, and the left side tank wall 133, the right side tank wall 134, the tank bottom wall 130, the tank front wall 131, and the tank rear wall 132 are each one of the tank walls of the urinal tank 10. The height of the slot front wall 131 is slightly lower. In this embodiment, the gel gasket 91 covers the slot front wall 131, and the gel gasket 91 is bonded to the top end of the slot front wall 131.

The tray part 1 is further provided with a left front nozzle 18 and a right front nozzle 19 for spraying water into the excrement tank 10, the left front nozzle 18 is positioned on the left front side of the excrement tank 10, and the right front nozzle 19 is positioned on the right front side of the excrement tank 10. Compared with the single front spray head, the design has the advantages that the left front spray head 18 and the right front spray head 19 flush and discharge excrement in the excrement tank 10 more evenly and fully, and the flushing and discharging effect on the left edge and the right edge of the excrement tank 10 is better. The left front head 18 is located at the left rear of the recessed area 120, and the right front head 19 is located at the right rear of the recessed area 120. The front sprayer in the prior art is usually arranged in the middle of the front edge 12, so that the height of the middle of the front edge 12 is large and cannot be effectively reduced, the concave area 120 is arranged in the scheme, the front sprayer is replaced by the left front sprayer 18 and the right front sprayer 19, the concave area 120 can be arranged in a proper area near the left front sprayer 18 and the right front sprayer 19, and discomfort of the caudal vertebra can be greatly reduced. The left front head 18 and the right front head 19 are fixed to the first casing 13, respectively. The left front head 18 is positioned on the left front side of the toilet bowl 10, and the right front head 19 is positioned on the right front side of the toilet bowl 10.

The first casing 13 includes a left front mounting through groove 136 located on the left front side of the toilet tank 10, a right front mounting through groove 137 located on the right front side of the toilet tank 10, the left front head 18 is mounted on the left front mounting through groove 136, and the right front head 19 is mounted on the right front mounting through groove 137. The left front spray head 18 and the right front spray head 19 respectively comprise a one-piece spray head first part 180 and a one-piece spray head second part 181, the spray head first part 180 is integrally provided with a second water inlet joint 182, and the spray head first part 180 and the spray head second part 181 enclose a spray head water cavity 183. The left front nozzle 18 and the right front nozzle 19 are respectively fixed on the first shell 13 through screws, and glue is respectively applied and sealed between the left front nozzle 18 and the left front mounting through groove 136 and between the right front nozzle 19 and the right front mounting through groove 137. The left front nozzle 18 is provided with a plurality of water outlet holes 184 facing the urinal trough 10 and spraying water to the right rear side, the right front nozzle 19 is provided with a plurality of water outlet holes 185 facing the urinal trough 10 and spraying water to the left rear side, and water can enter the nozzle water cavity 183 through the second water inlet joint 182 and then is sprayed out through the water outlet holes 184 and 185 formed in the first part 180 of the nozzle.

The tray part 1 is further provided with a first water inlet joint 92, first connecting water pipes (not shown) at two ends, second connecting water pipes (not shown) at two ends and a third connecting pipe 93 at three ends, wherein the first connecting water pipe is connected with one end of the third connecting pipe 93 and the left front spray head 18, the second connecting water pipe is connected with the other end of the third connecting pipe 93 and the right front spray head 19, and the third connecting water pipe is connected with the first water inlet joint 92. The first water inlet joint 92, the first connecting water pipes at two ends, the second connecting water pipes at two ends and the third connecting pipe 93 at three ends are positioned in the tray part 1, the first connecting water pipes and the second connecting water pipes can adopt hoses with connectors, and the third connecting pipe 93 is T-shaped or Y-shaped; the third end of the third connecting water pipe, if not long enough, may be connected to the first water inlet connector 92 by a single water pipe.

The urine cover 2 is provided with a cover wall 23, the cover wall 23 is convex, so that the cover wall 23 encloses the recess 21, the recess 21 is positioned on the inner side of the cover wall 23, and the cover wall 23 is provided with at least one vent hole 230 communicating the recess 21 and the outer side of the cover wall 23. By the design, when the nursing machine is used for pumping, the air pressure in the recess 21 is negative pressure relative to the outer side of the cover wall 23, and the air outside the cover wall 23 can be fed into the recess 21 through the vent holes 230, so that the air in the recess 21 is sufficient, sufficient pumping airflow can be formed in the urine cover 2, the urine in the recess 21 and the flushing water are fully pumped, and the urine cover 2 is well pumped. The recess 21 is opposite to the stool groove 10. The vent holes 230 are provided in the front portion of the cover wall 23. The number of the vent holes 230 is two spaced right and left or the number of the vent holes 230 is plural and arranged in front and rear. The recess 21 is recessed from the cover opening 20 of the urine cover 2, and the annular flange 22 is provided around the edge of the cover wall 23, and the annular flange 22 surrounds the cover opening 20. The gel washer 91 is one of cushion washers, and the gel washer 91 constitutes a cushion washer connected to the annular flange 22, and the cushion washer forms a frame of the urinal cover 2 for fitting to a human body.

The inner surface of the cover wall 23 is provided with a first conductive circuit (not shown) and a second conductive circuit (not shown) which are exposed and spaced from each other, and after a human body urinates, the first conductive circuit and the second conductive circuit are electrically communicated by urine. The first conducting circuit is attached to the inner side surface of the urine cover 2 and adopts conductive silica gel, aluminum foil, metal plating or metal wire, and the second conducting circuit is attached to the inner side surface of the urine cover 2 and adopts conductive silica gel, aluminum foil, metal plating or metal wire. The first and second conductive traces are spaced apart from the at least one vent 230. The first and second conductive traces respectively surround the vent 230. The first conductive circuit and the second conductive circuit are respectively non-closed rings.

The rear seat comprises a front side wall 50 and a rear end wall 51 which are opposite in a front-rear mode, a left side wall 52 and a right side wall 53 which are opposite in a left-right mode, an inner cavity 58 is surrounded by the front side wall 50, the rear end wall 51, the rear side wall 51 and the rear end wall 51, the inner cavity 58 is surrounded by the front side wall 50, the rear end wall 51, the left side wall 510 and the right side wall 55, the rear end wall left portion 510 and the rear end wall 52 belong to a part of the left shell 54, the rear end wall right portion 511 and the rear side wall 53 belong to a part of the right shell 55, the inner cavity 58 is surrounded by the left shell 54, the right shell 55 and the front side wall 50, and the left shell 54, the right shell 55 and the front side wall 50 are clamped with a clamping groove 57 through the clamping strip 56. The rear end wall left portion 510 left-right interfaces with the rear end wall right portion 511.

The front wearing part is provided with a plurality of drying blowholes 98, a rear water injection port 94, and an air supplement port 40 for supplementing air into the excrement tank 10. By such design, when the nursing machine is in pumping operation, the air supplementing port 40 can be effectively supplemented in the excrement groove 10, so that sufficient pumping air flow can be formed in the excrement groove 10, excrement in the excrement groove 10, flushing water and the like can be fully pumped, and the drying air blowing holes 98, the rear water injection ports 94 and the air supplementing port 40 are arranged on the groove rear wall 132 of the excrement groove 10, and the excrement pumping effect on the excrement in the excrement groove 10 is good.

The working head further comprises an air supplement pipeline 4, an inner cavity 58 of the rear seat is communicated with the outside of the working head, the inner cavity 58 of the rear seat is not closed, the outside and the inner cavity 58 of the rear seat can normally exchange air, the butt joint parts of the left shell 54, the right shell 55 and the front side wall 50 are not sealed, the inner cavity 58 and the outside air supplement pipeline 4 are favorably provided with opposite first and second ends, the air supplement port 40 forms a first end port of the air supplement pipeline 4, a second end port 41 of the air supplement pipeline 4 is directly communicated with the inner cavity 58 of the rear seat, and air in the inner cavity 58 can enter the air supplement pipeline 4 from the second end port 41 and be supplemented into the excrement groove 10 through the air supplement port 40. The length of the air supply pipeline 4 is more than 10 cm, the section of the air supply pipeline 4 is circular, and the diameter of the air supply pipeline 4 is about 12mm to 14 mm.

The air outside the working head is sucked between the front wearing part and the human body through the air supply pipeline 4, and is sucked out along with the excrement through the sewage discharge pipe. When the air pressure in the toilet groove 10 is negative relative to the external negative pressure of the working head, the external air of the working head is supplied to the toilet groove 10 through the rear seat inner cavity 58 and the air supply pipeline 4 in sequence. The second end port 41 of the breathing line 4 is located within the interior chamber 58 of the rear seat. The air supply line 4 is formed with a bend in the cavity 58 of the rear seat, so that leakage of excrement and washing water through the air supply line 4 can be prevented, and even if a small amount of excrement and washing water may enter the air supply line 4, once the suction operation starts, the air supply line 4 can be sucked out from the air supply port 40 and further sucked out of the working head as long as no leakage occurs. A part of the air supply line 4 is bent upward in the cavity 58 of the rear seat, or a part of the air supply line 4 is bent leftward or rightward in the cavity 58 of the rear seat. The air supply pipeline 4 comprises an external bending section, the external bending section is positioned outside the rear seat, and two opposite ends of the external bending section are respectively connected with the rear seat. The external bending section is in a hollow bent pipe shape. The outer bend includes a left bend 420 and a right bend 421. The second end port 41 opens at the rear end wall right portion 511 and constitutes one end port of the right bent section 421. Left bent segment 420 is connected to rear end wall left portion 510, and right bent segment 421 is connected to rear end wall right portion 511, and left bent segment 420 and right bent segment 421 dock about. The joint of the left bent segment 420 and the right bent segment 421 is sealed. The right bent section 421 is integrally connected to the rear-end wall right portion 511, and the left bent section 420 is integrally connected to the rear-end wall right portion 511.

The air supply line 4 includes a first pipe section 430 integrally connected to the first housing 13, a second pipe section 431 integrally connected to the front side wall 50, and a third pipe section 432 integrally connected to the left bent section 420, wherein the first pipe section 430 is butted with the second pipe section 431, the second pipe section 431 is butted with the third pipe section 432, the second pipe section 431 and the third pipe section 432 are located in the rear seat inner cavity 58, and the first pipe section 430 penetrates the front side wall 50 backwards into the rear seat inner cavity 58.

Can also be designed as follows: the second end port 41 of the air supply pipeline 4 is directly communicated with the outside of the working head, when the air pressure in the excrement groove 10 is negative relative to the outside (when the nursing machine performs suction work, the air pressure in the excrement groove 10 forms negative relative to the outside), the air outside the working head can enter the air supply pipeline 4 from the second end port 41 and is supplied to the excrement groove 10 through the air supply port 40; the air supply line 4 is passed into the rear seat from the front wearing part and is passed out from the rear seat, or the air supply line 4 is passed into the rear seat from the front wearing part and the second end port 41 of the air supply line 4 is opened in the housing of the rear seat. The suction duct 95 communicating with the excrement tank 10 passes through the rear seat, the excrement inlet 950 of the suction duct 95 is provided at the tank rear wall 132, the excrement inlet 950 communicates with the excrement tank 10, the air replenishment port 40 is located below the side of the drying blowing hole 98, and the air replenishment port 40 is located above the side of the excrement inlet 950.

The locking structure comprises a first fastener 61 and a third fastener 62 arranged on the front wearing part, a second fastener 63 and a fourth fastener 64 arranged on the rear seat, and the first fastener 61 and the second fastener 63 are locked together. The second locking member 63 can move relative to the first locking member 61 under the action of an external force to unlock the first locking member 61. The third locking element 62 and the fourth locking element 64 are locked together, the second locking element 63 can move towards the fourth locking element 64 under the action of external force to release the locking with the first locking element 61, and the fourth locking element 64 can move towards the second locking element 63 under the action of external force to release the locking with the third locking element 62. The first fastener 61 and the third fastener 62 are bilaterally symmetrical, and the second fastener 63 and the fourth fastener 64 are bilaterally symmetrical. The second locking element 63 can be pushed by external force to move horizontally towards the fourth locking element 64 to unlock with the first locking element 61, and the fourth locking element 64 can be pushed by external force to move horizontally towards the second locking element 63 to unlock with the third locking element 62.

The rear seat is further provided with a first through hole 520 penetrating through the left side wall 52 and a second through hole 530 penetrating through the right side wall 53, the second locking member 63 includes a first actuating portion 630, the first actuating portion 630 can move along the first through hole 520 to the fourth locking member 64 under the pushing of an external force to drive the second locking member 63 to move towards the fourth locking member 64, the fourth locking member 64 includes a second actuating portion 640, and the second actuating portion 640 can move along the second through hole 530 to the second locking member 63 under the pushing of an external force to drive the fourth locking member 64 to move towards the second locking member 63. The first and

second ports

520 and 530 penetrate the rear seat interior and the rear seat exterior, respectively. The first actuating portion 630 includes a first outer plate 631 directly pushed by an external force, a first side plate 632, and a first flange 633, wherein an outer end of the first side plate 632 is connected to the first outer plate 631, the first flange 633 is bent and extended from an inner end of the first side plate 632, the first through hole 520 includes a first inner port 521 and a first outer port 522 located at inner and outer ends of the first through hole, and the first flange 633 is stopped at an edge of the first inner port 521 to prevent the first actuating portion 630 from being separated from the first through hole 520. The first and

second ports

520, 530 may also function to communicate the interior chamber 58 with the environment, enhancing the venting of the interior chamber 58 with the environment.

The first fastener 61 and the third fastener 62 are respectively a hook, the front side wall 50, the left side wall 52 and the right side wall 53 are respectively enclosed at one side of the inner cavity 58, the front side wall 50 faces the front wearing part, the first fastener 61 and the third fastener 62 respectively pass through the front side wall 50 backwards and enter the inner cavity 58 of the rear seat, the front side wall 50 is fixedly connected with a first blocking part 500 and a second blocking part 501 which are positioned in the inner cavity 58, the rear seat is further provided with a first return spring (not shown) and a second return spring (not shown), one end of the first return spring is blocked by the first blocking part 500, the other end of the first return spring is blocked by the second fastener 63, one end of the second return spring is blocked by the second blocking part 501, and the other end of the second return spring is blocked by the fourth fastener 64. The first blocking member 500 and the second blocking member 501 are opposite to each other at intervals, or can be directly connected into a whole. The first blocking member 500 and the second blocking member 501 are integrally connected to the front sidewall 50, respectively.

The first stopper 500 is provided with a first sleeve portion 502, the second stopper 63 is provided with a second sleeve portion 634 fitted to the first sleeve portion 502, one end of the first return spring is housed in the first sleeve portion 502, and the opposite end of the first return spring is housed in the second sleeve portion 634. The first return spring is in a compressed state. The second sleeve portion 634 is integrally connected to the first actuating portion 630. The first blocking member 500 is symmetrical to the second blocking member 501. One end of the first skirt portion 502 is integrally connected to the first outer plate.

The second locking member 63 has a first locking portion 635 locked with the first locking member 61, the first blocking member 500 has a first connecting portion 503 integrally connected between the first sleeve portion 502 and the front sidewall 50, and the first connecting portion 503 and the first locking member 61 are located on the left and right sides of the first locking portion 635. The first hook 635 is integrally connected to the first folding edge 633. The first connecting portion 503 is formed with a first relief space 504 for accommodating the first hooking portion 635. When unlocking, the first hooking portion 635 moves into the first yielding space 504 and is unhooked and unlocked from the first locking member 61. The fourth locking member 64 has a second hook 641 for locking with the third locking member 62. The second sleeve portion 634 is provided with a positioning protrusion 637 inside, and one end of the first return spring is sleeved on the positioning protrusion 637 for positioning.

During assembly, the front wearing part is in front-back butt joint with the rear seat, the first buckling piece 61 is buckled with the second buckling piece 63, and the third buckling piece 62 is buckled with the fourth buckling piece 64; when unlocking, the first actuating portion 630 and the second actuating portion 640 can be simultaneously pushed into the cavity 58 by one hand, and the actuating portion 40 is pushed into the cavity 21 of the rear seat 2, so as to push the second fastener 4 to move, so that the first hook portion 635 is separated from the first fastener 61 in a locking manner, and the front wearing portion and the rear seat can be separated in a front-back manner after the second hook portion 641 is separated from the third fastener 62. By the design, the unlocking force is balanced left and right, and the deflection between the front wearing part and the rear seat during unlocking and butting is reduced.

Referring to fig. 21, the nursing machine further includes a urine detection circuit, the urine detection circuit includes a first urine sensor and a second urine sensor disposed on the working head, the first urine sensor includes at least two first urine sensors 96 (see PEE1 and PEE2 in fig. 21 are respectively a first urine sensor), the second urine sensor includes at least two second urine sensors 97 (see PEE3 and PEE4 in fig. 21 are respectively a second urine sensor), the urine detection circuit outputs a urine signal when more than one first urine sensor 96 outputs a signal to detect liquid or when more than one second urine sensor 97 outputs a signal to detect liquid, when only one first urine sensor 96 or only one second urine sensor 97 or only one first urine sensor 96 and one second urine sensor 97 output a signal that liquid is detected, the urine detection circuit does not issue a urine signal. So design, need a plurality of first urine sensors 96 or a plurality of second urine sensor 97 collaborative work just can final output urine signal, can prevent to leave over in the working head or liquid such as the little water of condensation removes to or is in the detectable region of one of them urine sensor, lead to the urine treatment program of spurious triggering nursing machine, thereby can avoid the improper start-up of urine treatment program, avoid nursing machine suction cleaning work too much to start, resource-wasting and frequent clearance are to patient's psychology and the influence of normal rest. The working head is internally provided with an R5F10369 chip for receiving the urine signal and the excrement signal and further starting the cleaning work through the communication of the host, and the urine signal and the excrement signal can also be directly transmitted to the host.

The PEE detection circuit comprises a first detection circuit, a second detection circuit and a PEE signal circuit, wherein the PEE1 and the PEE2 belong to the first detection circuit, the PEE3 and the PEE4 belong to the second detection circuit, the first detection circuit outputs high level when both the PEE1 and the PEE2 output signals for detecting liquid, the first detection circuit outputs low level when none or only one of the PEE1 and the PEE2 outputs signals for detecting liquid, the second detection circuit outputs high level when both the PEE3 and the PEE4 output signals for detecting liquid, and the second detection circuit outputs low level when none or only one of the PEE3 and the PEE4 outputs signals for detecting liquid. The PEE1, PEE2, PEE3, and PEE4 output a low level when detecting liquid, respectively. The first detection circuit comprises PEE1, PEE2, a diode D1, a diode D2, a diode D3, a MOS tube Q1, a resistor R1 and a resistor R7, the second detection circuit comprises PEE3, PEE4, a diode D4, a diode D5, a diode D6, a MOS tube Q2, a resistor R2 and a resistor R7, the urination signal circuit comprises a MOS tube Q3, a resistor R3, a resistor R8 and a resistor R10, and the urination signal circuit outputs a urination signal (PEE SIGH) through an output end. The urination signal circuit outputs an urination signal after receiving the high level output by the first detection circuit or the second detection circuit, and the urination signal circuit does not send an urination signal after receiving the low level output by the first detection circuit and the second detection circuit. The urine signal output by the urine signal circuit is at low level, and the urine signal circuit sends out high level when the urine signal circuit does not output the urine signal. The first urine sensor 96 and the second urine sensor 97 are capacitance sensors, respectively. Further, it is necessary that all of the first urine sensors 96 output a signal to detect liquid or all of the second urine sensors 97 output a signal to detect liquid, and the urine detection circuit outputs a urine signal. The signal for detecting liquid output from the first urine sensor 96 is at a low level, and the signal for detecting liquid output from the second urine sensor 97 is at a low level.

The first group of urine sensors and the second group of urine sensors are located below the urinal trough 10. The first group urine sensor is located on the left side of the second group urine sensor, and the first urine sensors 96 are arranged in the front-rear direction, and the second urine sensors 97 are arranged in the front-rear direction. A plurality of mounting grooves 101 are formed below the stool groove 10, and the first urine sensor 96 and the second urine sensor 97 are respectively disposed in the corresponding mounting grooves 101 in a one-to-one correspondence manner. The first urine sensor 96 and the second urine sensor 97 are glued and bonded to the corresponding mounting grooves 101. The mounting groove 101 and the toilet bowl 10 are respectively arranged on the first shell 13, and the mounting groove 101 is opposite to the toilet bowl 10. Each first urine sensor 96 is provided on the bottom surface of the tank bottom wall 130 relatively close to the left tank wall 133 and far from the right tank wall 134, and each second urine sensor 97 is provided on the bottom surface of the tank bottom wall 130 relatively close to the right tank wall 134 and far from the left tank wall 133. The urine sensor is fixedly bonded to the mounting groove 101, and the urine detection circuit is arranged in the working head.

When more than one first urine sensor 96 outputs a signal that liquid is detected or more than one second urine sensor 97 outputs a signal that liquid is detected, it is determined that the human body has urinated, and then a human body excreta management action is triggered, and when only one first urine sensor 96 or only one second urine sensor 97 or only one first urine sensor 96 and one second urine sensor 97 outputs a signal that liquid is detected, it is not determined that the human body has urinated, and thus a human body excreta management action is not triggered. When more than one first urine sensor 96 outputs a signal that liquid is detected or when more than one second urine sensor 97 outputs a signal that liquid is detected, the urine processing program of the nursing machine is triggered, and when only one first urine sensor 96 or only one second urine sensor 97 or only one first urine sensor 96 and one second urine sensor 97 output signals that liquid is detected, the urine processing program of the nursing machine is not triggered.

It can also be designed as follows: when more than one urine sensor outputs a signal for detecting liquid, the urine detection circuit outputs a urine signal, and when only one urine sensor outputs a signal for detecting liquid, the urine detection circuit does not send the urine signal; when more than one urine sensor outputs a signal for detecting liquid, the human body is considered to have urinated, and when only one urine sensor outputs a signal for detecting liquid, the human body is not considered to have urinated; when more than one urine sensor outputs a signal for detecting liquid, the urine processing program of the nursing machine is triggered, and when only one urine sensor outputs a signal for detecting liquid, the urine processing program of the nursing machine is not triggered.

While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides a nursing machine, includes wearable working head, urine detection circuitry, the working head is including the excrement groove that is used for holding the excrement, its characterized in that: the urine detection circuit comprises a first urine sensor and a second urine sensor which are arranged on the working head, the first urine sensor comprises at least two first urine sensors which are arranged at intervals, the second urine sensor comprises at least two second urine sensors which are arranged at intervals, when the first urine sensor which is larger than one outputs a signal for detecting liquid or when the second urine sensor which is larger than one outputs a signal for detecting liquid, the urine detection circuit outputs a urine signal, and when only one first urine sensor or only one second urine sensor or only one first urine sensor and one second urine sensor outputs a signal for detecting liquid, the urine detection circuit outputs a urine signal.

2. The machine according to claim 1, characterized in that: the number of the first urine sensors and the number of the second urine sensors are two.

3. The machine according to claim 2, characterized in that: the urine detection circuit comprises a first detection circuit and a second detection circuit, the two first urine sensors belong to the first detection circuit, the two second urine sensors belong to the second detection circuit, the first detection circuit outputs high level when the two first urine sensors output signals for detecting liquid, the first detection circuit outputs low level when none or only one of the two first urine sensors output signals for detecting liquid, the second detection circuit outputs high level when the two second urine sensors output signals for detecting liquid, and the second detection circuit outputs low level when none or only one of the two second urine sensors output signals for detecting liquid.

4. The machine according to claim 3, characterized in that: the urine detection circuit comprises a urine signal circuit, the urine signal circuit outputs a urine signal after receiving a high level output by the first detection circuit or the second detection circuit, and the urine signal circuit does not output a urine signal after receiving a low level output by the first detection circuit and the second detection circuit.

5. The care machine of claim 4, wherein: the urine signal output by the urine signal circuit is at a low level, the urine signal circuit outputs a high level when the urine signal circuit does not output a urine signal, the signal output by the first urine sensor for detecting liquid is at a low level, and the signal output by the second urine sensor for detecting liquid is at a low level.

6. The machine according to claim 1, characterized in that: the first group of urine sensors and the second group of urine sensors are positioned below the excrement trough.

7. The machine according to claim 1, characterized in that: the first group of urine sensors are positioned on the left side of the second group of urine sensors, the first urine sensors are arranged in a front-back manner, and the second urine sensors are arranged in a front-back manner.

8. The machine according to claim 7, characterized in that: a plurality of mounting grooves are arranged below the excrement groove, and the first urine sensors and the second urine sensors are respectively arranged in the corresponding mounting grooves in a one-to-one correspondence mode.

9. The machine according to claim 8, characterized in that: the working head further comprises a front wearing part which is used for wearing on a human body, the front wearing part comprises a first shell, the mounting groove and the toilet groove are respectively arranged on the first shell, and the mounting groove is back to back with the toilet groove.

10. The machine according to claim 6, characterized in that: the working head further comprises a front wearing part which is used for being worn on a human body, the front wearing part comprises a first shell, the first shell comprises a groove bottom wall, a left groove wall and a right groove wall, the left groove wall extends upwards from the left edge of the groove bottom wall, the right groove wall extends upwards from the right edge of the groove bottom wall, the left groove wall, the right groove wall and the groove bottom wall are respectively one groove wall of a urine groove, each first urine sensor is arranged on the bottom surface of the groove bottom wall and is relatively close to the left groove wall and far away from the right groove wall, and each second urine sensor is arranged on the bottom surface of the groove bottom wall and is relatively close to the right groove wall and far away from the left groove wall.

11. The machine according to claim 1, characterized in that: the first urine sensor and the second urine sensor are capacitance sensors.

12. The machine according to claim 1, characterized in that: the urination detecting circuit outputs a urination signal only when all of the first urination sensors output a signal that liquid is detected or all of the second urination sensors output a signal that liquid is detected.

13. The machine according to claim 1, characterized in that: the urine detection circuit is arranged in the working head; the working head further comprises a front wearing part worn on a human body, a rear seat assembled with the front wearing part, and an air supplementing pipeline, wherein the front wearing part is provided with a stool groove and an air supplementing port used for supplementing air into the stool groove, the inner cavity of the rear seat is communicated with the outside of the working head, the air supplementing pipeline is provided with a first end and a second end which are opposite, the air supplementing port forms a first end port of the air supplementing pipeline, a second end port of the air supplementing pipeline is directly communicated with the inner cavity of the rear seat, when air pressure in the stool groove is negative relative to the outside of the working head, air in the inner cavity of the rear seat can enter the air supplementing pipeline from the second end port and is supplemented into the stool groove through the air supplementing port, the air supplementing pipeline penetrates through the rear seat and comprises an external bending section, the external bending section is located outside the rear seat, and the external bending section is located on the rear side of the rear seat.

14. The machine according to claim 13, characterized in that: the rear seat comprises a front side wall, a rear end wall, a left side wall and a right side wall, wherein the front side wall and the rear end wall are opposite to each other, the left side wall and the right side wall are opposite to each other, the front side wall, the rear end wall, the left side wall and the right side wall surround the inner cavity, the front side wall faces the front wearing part, and the rear end wall comprises a left part of the rear end wall and a right part of the rear end wall; the outside bending section includes left part bending section and right part bending section that dock mutually, and the rear end wall right part is seted up to the second end port.

15. The utility model provides a wearable working head for nursing machine, includes urine detection circuitry, is used for holding excrement groove of excrement, its characterized in that: the urine detection circuit comprises a first urine sensor and a second urine sensor which are arranged on the working head, the first urine sensor comprises at least two first urine sensors which are arranged at intervals, the second urine sensor comprises at least two second urine sensors which are arranged at intervals, when the first urine sensor which is larger than one outputs a signal for detecting liquid or when the second urine sensor which is larger than one outputs a signal for detecting liquid, the urine detection circuit outputs a urine signal, and when only one first urine sensor or only one second urine sensor or only one first urine sensor and one second urine sensor outputs a signal for detecting liquid, the urine detection circuit outputs a urine signal.

16. The wearable work head for a care machine of claim 15, wherein: the urination detecting circuit outputs a urination signal only when all of the first urination sensors output a signal that liquid is detected or all of the second urination sensors output a signal that liquid is detected.

17. The wearable work head for a care machine of claim 15, wherein: the number of the first urine sensors and the number of the second urine sensors are two.

18. The utility model provides a nursing machine, includes wearable working head, locates the first set of urine sensor and the second set of urine sensor of working head, the working head is including the excrement groove that is used for holding the excrement, its characterized in that: the first urine sensor group comprises at least two first urine sensors which are spaced apart, the second urine sensor group comprises at least two second urine sensors which are spaced apart, when more than one first urine sensor outputs a signal for detecting liquid or when more than one second urine sensor outputs a signal for detecting liquid, the human body is considered to have urinated, and when only one first urine sensor or only one second urine sensor or only one first urine sensor and one second urine sensor output signals for detecting liquid, the human body is not considered to have urinated.

19. The machine of claim 18, wherein: it is necessary that all of the first urination sensors output a signal that liquid is detected or all of the second urination sensors output a signal that liquid is detected to regard the human body as urination.

20. The utility model provides a nursing machine, includes wearable working head, locates the first set of urine sensor and the second set of urine sensor of working head, the working head is including the excrement groove that is used for holding the excrement, its characterized in that: the first urine sensor group comprises at least two first urine sensors which are arranged at intervals, the second urine sensor group comprises at least two second urine sensors which are arranged at intervals, when the more than one first urine sensor outputs a signal for detecting liquid or the more than one second urine sensor outputs a signal for detecting liquid, the urine processing program of the nursing machine is triggered, and when only one first urine sensor or only one second urine sensor or only one first urine sensor and one second urine sensor output signals for detecting liquid, the urine processing program of the nursing machine is not triggered.

21. The machine of claim 20, wherein: all the first urine sensors are required to output signals for detecting liquid or all the second urine sensors are required to output signals for detecting liquid, so that the urine processing program of the nursing machine can be triggered.