CN107326983A - Excrement collecting system and excrement collecting method - Google Patents

Abstract

A defecation collection system and a defecation collection method relate to the field of intelligent nursing. It includes a control system, a water and air supply system, a sewage collection system, and a sewage discharge system. The control system controls the work of the water and air supply system, the sewage collection system, and the sewage discharge system. The water and air supply system provides high-pressure flushing water for the sewage collection system. The sewage collection system collects the sewage and transfers the sewage to a sewage system for discharging the sewage to a sewage pipe. The modularization of the entire feces collection system of the present invention makes the feces collection system easy to maintain, install and arrange; the control system of the present invention uniformly controls the work of the water and air supply system, sewage collection system and sewage discharge system according to the input signal, so as to Centralized control of sewage collection and discharge, unified dispatch.

Description

A defecation collection system and a defecation collection method

technical field

The invention relates to the field of intelligent nursing, in particular to a defecation collection system and a defecation collection method.

Background technique

At present, many domestic intelligent nursing bed products have integrated stool collection function, but the realization of the stool collection function of these products relies on the bedpan to store dirt. Because the bedpan is difficult to remove and clean, the bedpan is usually cleaned after multiple uses. This method of defecation often has many problems, such as the difficulty of cleaning sanitary ware after use; the storage of dirt causes odor and bacterial growth; the temporary storage of dirt is difficult; the large-space bedpan takes up too much space at the bottom of the nursing bed; Nursing bed products all have independent toilet collection devices, which increases the design and manufacturing costs. In order to solve the above problems, it is necessary to design a defecation collection system and a defecation collection method thereof.

Contents of the invention

The purpose of the present invention is to solve the difficulty in cleaning the sanitary ware when using the feces collection function of the current intelligent nursing bed products; the storage of dirt will cause peculiar smell and bacteria growth; the temporary storage of dirt is difficult to deal with; the bedpan with a large space occupies too much at the bottom of the nursing bed space; each set of nursing bed products has an independent feces collection device, which increases the design and manufacturing costs, etc., and provides a feces collection system and its method, which can effectively solve the above problems.

The technical solution to achieve the above purpose is: a feces collection system, characterized in that it includes a control system, a water and air supply system, a sewage collection system, and a sewage discharge system, and the control system controls the water and air supply system, the sewage collection system and the sewage discharge system The water and air supply system provides high-pressure flushing water for the sewage collection system, the sewage collection system collects the sewage and transfers the sewage to the sewage system, and the sewage system is used to discharge the sewage to the sewage pipe.

Further, the water and air supply system includes a clean water pipeline, a compressed air pipeline, and a flushing water pipeline. The outlet end of the clean water pipeline is connected with a clean water solenoid valve, and the outlet end of the clean water solenoid valve is connected with a compressed air pipeline. The outlet end is connected to the flushing water pipeline through the compressed air solenoid valve.

Further, a water booster is connected to the clean water pipeline at the inlet end of the clean water solenoid valve, and a sterilizing liquid box is provided under the clean water pipeline, and the sterilizing liquid box is connected to the clean water pipeline.

Further, the sewage discharge system includes a toilet. The toilet is provided with a sewage inlet and a sewage outlet. The sewage outlet of the toilet is connected to the sewage pipeline through a sewage one-way valve. One side of the toilet is connected to a vacuum generator. A one-way valve for the toilet is connected between the vacuum generator and the toilet, and the toilet is connected to the compressed air pipeline through the electromagnetic valve for the toilet at the same time.

Further, a liquid level sensor is installed in the toilet.

Further, the sewage collection system includes multiple sets of sewage collection devices, the sewage collection device includes a bedpan, the bedpan is provided with a flushing water inlet and a sewage outlet, the flushing water inlet is respectively connected to the flushing water pipeline through a flushing solenoid valve, and the sewage outlet The sewage discharge one-way valve and the sewage discharge electromagnetic valve connected in series are connected with the sewage inlet of the toilet.

Further, the control system includes a controller and a flushing button corresponding to each bedpan, the flushing button and the liquid level sensor are respectively connected to the input end of the controller, the clean water solenoid valve, the compressed air solenoid valve, the water booster , a vacuum generator, a solenoid valve for the urinal, a flushing solenoid valve connected to the inlet of the bedpan, and a sewage solenoid valve connected to the outlet of the bedpan are respectively connected to the output end of the controller.

A feces collection method for a feces collection system, characterized in that it comprises the following steps:

1) The user presses the flush button corresponding to the bedpan;

2) The vacuum generator starts to work, and after the pressure difference between the two ends of the one-way valve for the toilet collection reaches the set value, the one-way valve for the toilet collection is opened, and negative pressure is generated in the toilet collection; at the same time, the water booster starts to work, and the clean water pipeline pressurized water in

3) The control system controls the sewage discharge solenoid valve of the bedpan corresponding to the pressed flush button to open, and at the same time controls the clean water solenoid valve and compressed air solenoid valve to open, and clean water and compressed air are mixed into the flushing water pipe;

4) The pressure difference of the sewage one-way valve of the bedpan corresponding to the pressed flushing button is opened after the pressure difference reaches the set value, and at the same time, the control system controls the flushing solenoid valve corresponding to the bedpan to also open, and the dirt is flushed by the action of vacuum and flushing water. Under the action, it enters the toilet together with the flushing water;

5) The control system controls the vacuum generator to stop working. After the pressure difference between the two ends of the one-way valve for the toilet collection is lower than the set value, the one-way valve for the toilet collection is closed; The air solenoid valve is closed;

6) The pressure difference of the blowdown one-way valve of the bedpan corresponding to the pressed flush button is closed after the pressure difference is lower than the set value, and at the same time, the control system controls the blowdown solenoid valve and flushing solenoid valve of the bedpan corresponding to the pressed flush button to close;

7) Once the sewage collection is completed, the sewage collection system enters the standby state, waiting for the next sewage collection.

Further, when the lavatory completes the number of dirt collections set by the controller, or the liquid level sensor in the lavatory detects that the liquid level reaches the set value, the control system controls the solenoid valve of the lavatory to open, and the compressed air enters the lavatory. After the pressure difference between the two ends of the sewage check valve reaches the set value, the sewage check valve opens, and the sewage is discharged into the sewage pipe under pressure.

Further, when the water booster in step 2) works, the pressure in the clean water pipeline connected to the sterilizing liquid box decreases and clear water flows through at high speed, and the sterilizing liquid in the sterilizing liquid box is sucked into the clean water pipeline , and diluted in clean water, so that the rinse water has the effect of sterilization and deodorization.

Beneficial effects of the present invention:

(1) The modularization of the entire feces collection system makes the feces collection system easy to maintain and install.

(2) The control system uniformly controls the work of the water and gas supply system, the sewage collection system and the sewage discharge system according to the input signal, so as to centralize the control and unified dispatch of sewage collection and sewage discharge.

(3) The number of sets of sewage collection devices in the sewage collection system can be adjusted according to demand, which improves the applicability of the sewage collection system.

(4) The control system and sewage collection system are installed indoors, and the water and air supply system and sewage discharge system can be installed outdoors to avoid the impact of the working noise of the water and air supply system and sewage system on users.

(5) The sterilizing solution diluted in clean water makes the rinse water have the effect of sterilizing and deodorizing.

(6) The flushing water stagnated above the sewage discharge one-way valve of the corresponding sewage collection device can seal the branch pipeline below the sewage discharge one-way valve of the corresponding bedpan to prevent odor from emitting from the pipeline.

(7) The unified scheduling of the sewage collection work by the control system can avoid the work disorder of the feces collection system.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

detailed description

As shown in FIG. 1 , a feces collection system includes a control system 1 , a water and air supply system 2 , a sewage collection system 3 , and a sewage discharge system 4 .

Water and air supply system 2 comprises clean water pipeline 21, compressed air pipeline 22, flushing water pipeline 23, is connected with sterilizing liquid box 26 and water supercharger 27 on the clean water pipeline 21, and sterilizing liquid box 26 is arranged on the clear water pipeline Below, and connected with clean water pipeline, the outlet end of clean water pipeline 21 is connected with clean water solenoid valve 24, and the outlet end of clean water solenoid valve 24 is connected with compressed air pipeline 22, and the outlet end of compressed air pipeline 22 passes through compressed air solenoid valve 25 Connect the rinse water line 23.

The sewage system 4 includes a toilet 41 and a sewage pipeline 44. A liquid level sensor 42 is also installed in the toilet 41. The toilet 41 is provided with a sewage inlet and a sewage outlet. The sewage outlet of the toilet 42 passes through a sewage one-way valve. 43 is connected to the sewage pipe 44, and one side of the toilet 41 is connected with a vacuum generator 45, and a one-way valve 46 for the toilet is connected between the vacuum generator 45 and the toilet 41, and the toilet 41 passes through the electromagnetic valve 47 for the toilet at the same time. Connect the compressed air line 22.

The sewage collection system 3 includes multiple sets of sewage collection devices, the sewage collection device includes a bedpan 31, the bedpan 31 is provided with a flushing water inlet and a sewage outlet, the flushing water inlet is connected to the flushing water pipeline 23 through a flushing solenoid valve 32, and the sewage outlet passes through The sewage discharge one-way valve 33 and the sewage discharge solenoid valve 34 connected in series are connected with the sewage inlet of the lavatory 41 .

The control system 1 includes a controller 11 and a flushing button 12 corresponding to each bedpan 31. The controller 11 can adopt a single-chip microcomputer or PLC commonly used in the prior art. The flushing button 12 and the liquid level sensor 42 are respectively connected to the input of the controller 11. end, clean water solenoid valve 24, compressed air solenoid valve 25, water booster 27, vacuum generator 45, solenoid valve 47 for toilet collector, flushing solenoid valve 32 connected to the inlet of the bedpan, and sewage solenoid valve 34 connected to the outlet of the bedpan connected to the output terminals of the controller 11 respectively.

A feces collection method for a feces collection system, comprising the following steps:

1) The user presses the flush button 12 corresponding to the bedpan;

2) The vacuum generator 45 starts to work, and after the pressure difference between the two ends of the one-way valve 46 for the toilet collection reaches the set value, the one-way valve 46 for the toilet collection is opened, and a negative pressure is generated in the toilet collection 41; at the same time, the water booster 27 starts Work, pressurize the clean water of 21 in the clean water pipeline;

3) The controller 11 controls the sewage discharge solenoid valve 34 of the bedpan 31 corresponding to the pressed flushing button 12 to open, and at the same time controls the clean water solenoid valve 24 and the compressed air solenoid valve 25 to open, and clean water and compressed air are mixed into the flushing water pipeline 23;

4) The pressure difference of the blowdown one-way valve 33 of the bedpan 31 corresponding to the pressed flush button 12 is opened after the pressure difference reaches the set value. Under the action of flushing water and flushing effect, it enters the toilet bowl 41 together with the flushing water;

5) The controller 11 controls the vacuum generator 45 to stop working, and when the pressure difference between the two ends of the one-way valve 46 for the toilet collection is lower than the set value, the one-way valve 46 for the toilet collection is closed; at the same time, the water booster 27 is controlled to stop working, Clean water solenoid valve 24 and compressed air solenoid valve 25 are closed;

6) The pressure difference of the sewage discharge check valve 33 of the bedpan 31 corresponding to the flush button 12 is closed after the pressure difference is lower than the set value, and the controller 11 controls the sewage discharge solenoid valve 34 of the bedpan 31 corresponding to the flush button 12 and The flushing solenoid valve 32 is closed;

7) Once the sewage collection is completed, the sewage collection system 3 enters the standby state, waiting for the next sewage collection.

As a further description of this embodiment, when the toilet 41 completes the number of dirt collections set by the controller 11, or when the liquid level sensor 42 in the toilet 41 detects that the liquid level reaches the set value, the controller 11 controls the toilet to Open with solenoid valve 47, compressed air enters lavatory 41, and the pressure difference at the two ends of the sewage check valve 43 reaches the set value and then the sewage check valve 43 opens, and the dirt is discharged into the sewage pipe 44 under pressure.

As a further illustration of this embodiment, when the water booster 27 in step 2) of the defecation collection method is working, the pressure in the clean water pipeline 21 connected to the sterilization liquid box 26 decreases and clean water flows through at a high speed, and the decontamination The sterilizing solution in the bacterium solution box 26 is sucked into the clear water pipeline 21 and diluted in clear water, so that the flushing water has the effect of sterilizing and deodorizing.

As a further illustration of this embodiment, after step 6) of the stool collection method is completed, the water in the flushing water pipeline 21 will flow to the top of the sewage discharge check valve 33 corresponding to the bedpan 31 under the action of gravity, so as to realize the sewage discharge check valve 33 below. The sealing of the branch pipeline prevents the emission of peculiar smell from the pipeline.

As a further illustration of this embodiment, if there are other sewage collection devices that need to collect sewage during the sewage collection process of the sewage collection device, the controller 11 will postpone the sewage collection of other sewage collection devices, and wait until the sewage collection process ends. Start the collection of other sewage collection devices.

Claims (10)

1. a kind of feces collecting system, it is characterised in that：Including control system, aqueous vapor feed system, dirt collection system, drainage, institute The work of control system control aqueous vapor feed system, dirt collection system and drainage is stated, the aqueous vapor feed system is dirt collection system System provides high-pressure washing water, and dirt is simultaneously transferred to drainage by the dirt collection systematic collection dirt, and the drainage is used for By emissions to blow-off line.

2. a kind of feces collecting system according to claim 1, it is characterised in that：The aqueous vapor feed system includes clear water pipe Road, compressed air piping, flushing water pipeline, the port of export of the clear water pipeline are connected with clear water magnetic valve, clear water magnetic valve The port of export connects compressed air piping, and the port of export of compressed air piping connects flushing pipe by compressed air electromagnetic valve.

3. a kind of feces collecting system according to claim 2, it is characterised in that：The clear water pipe of the clear water magnetic valve entrance point Water pressurizer is connected with road, the lower section of clear water pipeline is also provided with bacteria-removing liquid box, and bacteria-removing liquid box connects company with clear water pipeline Connect.

4. a kind of feces collecting system according to claim 3, it is characterised in that：The drainage includes toilet waste collector, defecate collection Device is provided with dirt inlet and dirt-discherging outlet, and the dirt-discherging outlet of toilet waste collector connects blow-off line, the side of toilet waste collector by going out dirty check valve Vacuum generator is connected with, toilet waste collector check valve is connected between vacuum generator and toilet waste collector, toilet waste collector passes through collection simultaneously Closet connects compressed air piping with magnetic valve.

5. a kind of feces collecting system according to claim 4, it is characterised in that：Level sensing is also equipped with the toilet waste collector Device.

6. a kind of feces collecting system according to claim 5, it is characterised in that：The dirt collection system includes many set dirt collection dresses Put, sewage collection system includes bedpan, bedpan is provided with flushing water inlet and sewage draining exit, rinse water inlet respectively by rinsing electromagnetism Valve connects the flushing water pipeline, and the sewage draining exit passes through the blowdown check valve and blowoff electromagnetic valve that mutually concatenate and toilet waste collector Dirt inlet is connected.

7. a kind of feces collecting system according to claim 6, it is characterised in that：The control system include controller and with The corresponding push button of each bedpan, push button, the liquid level sensor are connected to the input of controller, clear water electricity Magnet valve, compressed air electromagnetic valve, water pressurizer, vacuum generator, toilet waste collector magnetic valve and it is connected to rushing for bedpan import The blowoff electromagnetic valve for wash magnetic valve, being connected to bedpan outlet is connected to the output end of controller.

8. the defecate collection method of feces collecting system according to claim 7, it is characterised in that comprise the following steps：

1）User presses the push button of correspondence bedpan；

2）Vacuum generator is started working, and the pressure differential at toilet waste collector check valve two ends is reached after setting value, toilet waste collector is with unidirectional Valve is opened, and negative pressure is produced in toilet waste collector；Water pressurizer is started working simultaneously, and the clear water in fresh water pipeline is pressurizeed；

3）The blowoff electromagnetic valve of bedpan is opened corresponding to the push button that control system control is pressed, while controlling clear water electromagnetism Valve and compressed air electromagnetic valve are opened, and clear water and compressed air are mixed into flushing water pipeline；

4）The pressure differential of the blowdown check valve of bedpan corresponding to the push button being pressed reaches to be opened after setting value, is controlled simultaneously System controls the corresponding scouring electromagnetic valve of the bedpan also to open, and dirt is under the effect and flushing water flushing action of vacuum, with punching Wash water enters toilet waste collector together；

5）Control system control vacuum generator is stopped, the toilet waste collector pressure differential at check valve two ends is less than after setting value, Toilet waste collector closed check valve；Water pressurizer is controlled to be stopped simultaneously, clear water magnetic valve and compressed air electromagnetic valve are closed；

6）The pressure differential of the blowdown check valve of bedpan corresponding to the push button being pressed, which is less than after setting value, closes, and controls simultaneously System control be pressed bedpan corresponding to push button blowoff electromagnetic valve and scouring electromagnetic valve close；

7）One time dirt collection is completed, and dirt collection system enters dormant state, waits dirt collection next time.

9. the defecate collection method of feces collecting system according to claim 7, it is characterised in that：When toilet waste collector completes controller setting Dirt collection number of times, or liquid level sensor in toilet waste collector is when detecting liquid level and reaching setting value, control system control defecate collection Device is opened with magnetic valve, and compressed air enters toilet waste collector, go out dirty check valve two ends pressure differential reach go out after setting value it is dirty unidirectional Valve is opened, and dirt is under pressure by being discharged into blow-off line.

10. the defecate collection method of feces collecting system according to claim 7, it is characterised in that：Step 2）In water pressurizer work When making, the pressure in fresh water pipeline at connection bacteria-removing liquid box reduces and has clear water to flow through at a high speed, will be degerming in bacteria-removing liquid box Liquid is inhaled into fresh water pipeline and is diluted in clear water, flushing water is had the effect of deodorization and sterilization.