CN102337756B - Suction device with real-time gas pressure detection function - Google Patents
Suction device with real-time gas pressure detection function Download PDFInfo
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- CN102337756B CN102337756B CN2011102129723A CN201110212972A CN102337756B CN 102337756 B CN102337756 B CN 102337756B CN 2011102129723 A CN2011102129723 A CN 2011102129723A CN 201110212972 A CN201110212972 A CN 201110212972A CN 102337756 B CN102337756 B CN 102337756B
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- pressure transducer
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Abstract
The invention provides a suction device with a real-time gas pressure detection function. The device comprises a suction loop part and a singlechip control part and structurally comprises a urine/stool treating cavity, a recycling barrel, a solenoid valve, an energy storage tank, a pressure sensor, a filter, a gas pump, a muffler and the singlechip control part of an intelligent urine/stool treating device, wherein the urine/stool treating cavity is connected with the recycling barrel by virtue of a water pipe; the recycling barrel, the solenoid valve, the energy storage tank, the filter, the gas pump and the muffler are connected by virtue of gas pipes according to a gas inlet/outlet mode; the pressure sensor is connected with the internal thread of the energy storage tank by virtue of an external thread; and the pressure sensor is connected with the singlechip control part by virtue of a lead. The device has a concise structure and higher degree of automation, is convenient to use, can be used for realizing the suction of the flushing water in the water pipe between the urine/stool treating cavity and the recycling barrel in the intelligent urine/stool treating device, has a better suction effect and has a certain fault self-rescue function.
Description
Technical field
The present invention relates to a kind of aspirator that possesses the real-time gas pressure measuring ability, in order to solve the just wash-down water suction problem in water pipe between process chambers and recycling bin of urine in intelligent treating device for urination and defecation.
Background technology
In prior art, the urine of intelligence in treating device for urination and defecation just between process chambers and recycling bin the wash-down water suction method in water pipe be to add solenoid valve between recycling bin and air pump, the gentle pipe of energy storage canister forms gas circuit, at first shut electromagnetic valve prevents that ambient atmos from entering, booster air pump starts tracheae and energy storage pump are bled, and after suction a period of time, whole gas circuit forms certain negative pressure.Then opens solenoid valve, due to the effect of negative pressure, urinate just the wash-down water in water pipe between process chambers and recycling bin and be inhaled into recycling bin.
There is following shortcoming in said method: at first, the method can only be tested by experiment in advance the switching time of solenoid valve and air pump and be decided suction effect, can not adjust dynamically this time according to the force value in actual gas circuit, and suction effect is not ideal enough.Secondly, owing to lacking real-time pressure monitoring, when the solenoid valve in gas circuit, air pump, tracheae break down, certainly will cause the aspirator operation irregularity, system can't real-time perception.
Summary of the invention
The objective of the invention is the shortcoming for prior art, a kind of aspirator that possesses the real-time gas pressure measuring ability is provided.
The present invention is achieved through the following technical solutions: between recycling bin and air pump, add solenoid valve, the gentle pipe of energy storage canister forms gas circuit, simultaneously, on filling with, energy storage installs a pressure transducer additional, sensor is connected to single-chip microcomputer, at first shut electromagnetic valve prevents that ambient atmos from entering, booster air pump starts tracheae and energy storage pump are bled, device shows the negative pressure value in gas circuit in real time, when reaching the negative pressure value of setting, opens solenoid valve, now due to the effect of negative pressure, urinate just the wash-down water in water pipe between process chambers and recycling bin and be inhaled into recycling bin.If suction effect is not good, can adjust the switching time of solenoid valve and air pump by the actual pressure value in gas circuit, reach best suction effect.This device can be monitored the abnormal of gas circuit components and parts and pipeline by real-time force value simultaneously.
The present invention includes aspiration circuit part and Single-chip Controlling part, by the urine of intelligent treating device for urination and defecation, just process chambers, recycling bin, solenoid valve, energy storage canister, pressure transducer, filtrator, air pump, sound suppressor, Single-chip Controlling partly form its structure.Urinate just process chambers and be connected by water pipe with recycling bin, recycling bin, solenoid valve, energy storage canister, filtrator, air pump, sound suppressor connect by tracheae according to turnover gas mode, and pressure transducer is connected by the internal thread of external thread and energy storage canister.Pressure transducer partly is connected with Single-chip Controlling by wire.
Pressure transducer comprises: 24V power supply wiring head, earth terminal, the inner anode of pressure transducer, the inner negative terminal of pressure transducer.Pressure transducer changes force value into the electric current of 4-20mA when monitoring gas circuit pressure, and force value and current value are linear relationship.The current value that measures is connected to single-chip microcomputer by wire to carry out analog to digital conversion and just can learn the force value in energy storage canister.
The inside anode of pressure transducer is connected with 24V power supply wiring head, the inner negative terminal of pressure transducer is connected with earth terminal, 24V power supply wiring head, two lines of earth terminal are connected to the pressure sensing socket P3 of Single-chip Controlling part, wherein 24V power supply wiring head is connected to 2 pin of pressure sensing socket P3, and wherein earth terminal is connected to 1 pin of pressure sensing socket P3.
Single-chip Controlling partly comprises: single-chip microcomputer U1, pressure transducer gang socket P3, resistance R 1, air pressure analog input pin PF0, single-chip microcomputer U1 crystal oscillating circuit Y1, C29, C30, single-chip microcomputer U1 electric source filter circuit C27, C28, power supply VCC_5V, pressure transducer working power VCC_24V and ground connection, the resistance R 1 of Single-chip Controlling part is to be transformed into voltage signal for pressure transducer is sent to current signal.Single-chip microcomputer U1 adopts ATmega128-16AC, because ATmega128-16AC has the successive approximation type a/d C of 10, so the analog quantity s_qiya inputted by 1 pin of P3 can be connected directly to the PF0 pin of single-chip microcomputer U1, without designing in addition analog to digital conversion circuit.By Y1, C29, the circuit that C30 connects into provides system clock for single-chip microcomputer U1, and by C27, the circuit that C28 connects into, for the working power of single-chip microcomputer U1 provides filtering, prevents external interference and causes working power unstable.
It is below the workflow of this aspirator.
At first single-chip microcomputer U1 completes initialization, its fundamental purpose has been the configuration of input and output pin, Abort Timer, then shut electromagnetic valve prevents that ambient atmos from entering, booster air pump starts tracheae and energy storage pump are bled, simultaneously pressure transducer carries out data acquisition to the pressure of energy storage canister internal gas, and by the analog input that collects to single-chip microcomputer PF0 pin.Single-chip microcomputer starts the AD conversion routine after receiving the analog quantity of input.After the AD EOC, Single Chip Microcomputer (SCM) system is returned to actual force value and is presented on LCD screen.Program compares by the force value got and the value of setting in advance, requires opens solenoid valve if meet the negative pressure of suction, just aspirated urinating the wash-down water in water pipe between process chambers and recycling bin.Do not require continue suction if meet the negative pressure of suction, until reach default value.After suction finishes, shut electromagnetic valve and air pump.
The workflow of AD conversion routine is when receiving as single-chip microcomputer pin PF0 the analog quantity that pressure transducer sends here, at first single-chip microcomputer inside ADC multiplex's mask register ADMUX and ADC are controlled and status register ADCSRA carries out initialization, the AD translative mode is set for starting AD sampling single channel ADC0, the input of external voltage 5V benchmark, the transformation result Right Aligns, ADC pre-divider Frequency Dividing Factor is 64, then start to carry out digital-to-analog conversion, when ADC interrupt identification ADIF is 0, digital-to-analog conversion does not complete, and program is then changed.When ADC interrupt identification ADIF is 1, digital-to-analog conversion finishes, and transformation result is returned to master routine.
Beneficial effect of the present invention:
Adopts pressure sensor is gathered the gas circuit pressure of aspirator, according to unlatching and the turn-off time of solenoid valve and air pump in the in real time dynamic adjusting gear of the force value collected, solve the just wash-down water suction problem in water pipe between process chambers and recycling bin of urine in intelligent treating device for urination and defecation, reached suction effect preferably.
This device has real-time pressure monitoring, when the solenoid valve in gas circuit, air pump, tracheae break down, its force value also there will be extremely, and system energy real-time perception is also sent corresponding out-of-work order, so this device has certain fault self-rescue function.
This apparatus structure is succinct, easy to use, and automaticity is higher.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, Single-chip Controlling part; 2, the connection line of pressure transducer and single-chip microcomputer; 3, pressure transducer; 4, energy storage canister air admission hole; 5, energy storage canister venthole; 6, energy storage canister; 7, tracheae; 8, filtrator air admission hole; 9, filtrator venthole; 10, filtrator; 11, tracheae; 12, air pump air admission hole; 13, air pump venthole; 14, air pump; 15, tracheae; 16, sound suppressor; 17, tracheae; 18, solenoid valve; 19, recycling bin venthole; 20, recycling bin water inlet air admission hole; 21, recycling bin; 22, water pipe; 23, urinate just process chambers
Fig. 2 is pressure transducer electric hookup of the present invention.
In figure: 24,24V power supply wiring head; 25, earth terminal; 26, the inner anode of pressure transducer;
27, the inner negative terminal of pressure transducer;
Fig. 3 is pressure transducer control circuit schematic diagram of the present invention.
Fig. 4 is the inner ADC multiplex (MUX) mask register ADMUX of single-chip microcomputer of the present invention position description figure.
Fig. 5 is that the inner ADC of single-chip microcomputer of the present invention controls and status register ADCSRA position description figure.
Fig. 6 is system operation programs process flow diagram of the present invention.
Fig. 7 is analog to digital conversion subroutine flow chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment is further described.
The present invention includes aspiration circuit part and Single-chip Controlling part, by the urine of intelligent treating device for urination and defecation, just process chambers, recycling bin, solenoid valve, energy storage canister, pressure transducer, filtrator, air pump, sound suppressor, Single-chip Controlling partly form its structure.Urinate just process chambers and be connected by water pipe with recycling bin, recycling bin, solenoid valve, energy storage canister, filtrator, air pump, sound suppressor connect by tracheae according to turnover gas mode, and pressure transducer is connected by the internal thread of external thread and energy storage canister.Pressure transducer partly is connected with Single-chip Controlling by wire.
Pressure transducer comprises: 24V power supply wiring head, earth terminal, the inner anode of pressure transducer, the inner negative terminal of pressure transducer.Pressure transducer changes force value into the electric current of 4-20mA when monitoring gas circuit pressure, and force value and current value are linear relationship.The current value that measures is connected to single-chip microcomputer by wire to carry out analog to digital conversion and just can learn the force value in energy storage canister.
The inside anode of pressure transducer is connected with 24V power supply wiring head, the inner negative terminal of pressure transducer is connected with earth terminal, 24V power supply wiring head, two lines of earth terminal are connected to the pressure sensing socket P3 of Single-chip Controlling part, wherein 24V power supply wiring head is connected to 2 pin of pressure sensing socket P3, and wherein earth terminal is connected to 1 pin of pressure sensing socket P3.
Single-chip Controlling partly comprises: single-chip microcomputer U1, pressure transducer gang socket P3, resistance R 1, air pressure analog input pin PF0, single-chip microcomputer U1 crystal oscillating circuit Y1, C29, C30, single-chip microcomputer U1 electric source filter circuit C27, C28, power supply VCC_5V, pressure transducer working power VCC_24V and ground connection, the resistance R 1 of Single-chip Controlling part is to be transformed into voltage signal for pressure transducer is sent to current signal.Single-chip microcomputer U1 adopts ATmega128-16AC, because ATmega128-16AC has the successive approximation type a/d C of 10, so the analog quantity s_qiya inputted by 1 pin of P3 can be connected directly to the PF0 pin of single-chip microcomputer U1, without designing in addition analog to digital conversion circuit.By Y1, C29, the circuit that C30 connects into provides system clock for single-chip microcomputer U1, and by C27, the circuit that C28 connects into, for the working power of single-chip microcomputer U1 provides filtering, prevents external interference and causes working power unstable.
It is below the workflow of this aspirator.
At first single-chip microcomputer U1 completes initialization, its fundamental purpose has been the configuration of input and output pin, Abort Timer, then shut electromagnetic valve prevents that ambient atmos from entering, booster air pump starts tracheae and energy storage pump are bled, simultaneously pressure transducer carries out data acquisition to the pressure of energy storage canister internal gas, and by the analog input that collects to single-chip microcomputer PF0 pin.Single-chip microcomputer starts the AD conversion routine after receiving the analog quantity of input.After the AD EOC, Single Chip Microcomputer (SCM) system is returned to actual force value and is presented on LCD screen.Program compares by the force value got and the value of setting in advance, requires opens solenoid valve if meet the negative pressure of suction, just aspirated urinating the wash-down water in water pipe between process chambers and recycling bin.Do not require continue suction if meet the negative pressure of suction, until reach default value.After suction finishes, shut electromagnetic valve and air pump.
The workflow of AD conversion routine is when receiving as single-chip microcomputer pin PF0 the analog quantity that pressure transducer sends here, at first single-chip microcomputer inside ADC multiplex's mask register ADMUX and ADC are controlled and status register ADCSRA carries out initialization, the AD translative mode is set for starting AD sampling single channel ADC0, the input of external voltage 5V benchmark, the transformation result Right Aligns, ADC pre-divider Frequency Dividing Factor is 64, then start to carry out digital-to-analog conversion, when ADC interrupt identification ADIF is 0, digital-to-analog conversion does not complete, and program is then changed.When ADC interrupt identification ADIF is 1, digital-to-analog conversion finishes, and transformation result is returned to master routine.
Claims (2)
1. an aspirator that possesses the real-time gas pressure measuring ability, it is characterized in that: described device partly forms by urinating just process chambers, recycling bin, solenoid valve, energy storage canister, pressure transducer, filtrator, air pump, sound suppressor, Single-chip Controlling; Urinate just process chambers and be connected by water pipe with recycling bin, recycling bin, solenoid valve, energy storage canister, filtrator, air pump, sound suppressor connect by tracheae according to turnover gas mode, and pressure transducer is connected by the internal thread of external thread and energy storage canister; Pressure transducer partly is connected with Single-chip Controlling by wire; Described pressure transducer comprises 24V power supply wiring head, earth terminal, the inner anode of pressure transducer, the inner negative terminal of pressure transducer; The inside anode of pressure transducer is connected with 24V power supply wiring head, the inner negative terminal of pressure transducer is connected with earth terminal, 24V power supply wiring head, two lines of earth terminal are connected to the pressure sensing socket P3 of Single-chip Controlling part, wherein 24V power supply wiring head is connected to 2 pin of pressure sensing socket P3, and wherein earth terminal is connected to 1 pin of pressure sensing socket P3.
2. a kind of aspirator that possesses the real-time gas pressure measuring ability according to claim 1, it is characterized in that: Single-chip Controlling partly comprises single-chip microcomputer U1, pressure transducer gang socket P3, resistance R 1, air pressure analog input pin PF0, single-chip microcomputer U1 crystal oscillating circuit Y1, C29, C30, single-chip microcomputer U1 electric source filter circuit C27, C28, power supply VCC_5V, pressure transducer working power VCC_24V and ground connection; 2 pin of pressure transducer gang socket P3 are connected with working power VCC_24V, and 1 pin of pressure transducer gang socket P3 is connected with resistance R 1, resistance R 1 negativing ending grounding, and resistance R 1 anode is connected with the air pressure analog input pin PF0 of single-chip microcomputer U1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102129723A CN102337756B (en) | 2011-07-28 | 2011-07-28 | Suction device with real-time gas pressure detection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102129723A CN102337756B (en) | 2011-07-28 | 2011-07-28 | Suction device with real-time gas pressure detection function |
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| Publication Number | Publication Date |
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| CN102337756A CN102337756A (en) | 2012-02-01 |
| CN102337756B true CN102337756B (en) | 2013-12-04 |
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| CN2011102129723A Expired - Fee Related CN102337756B (en) | 2011-07-28 | 2011-07-28 | Suction device with real-time gas pressure detection function |
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| CN113484058B (en) * | 2021-09-06 | 2021-11-23 | 武汉联渔机械设备有限公司 | Equipment state management method, device and storage medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201073399Y (en) * | 2007-07-10 | 2008-06-18 | 日照立德电子科技有限公司 | Urination and defecation automatic cleaning device special for medical care |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2257186Y (en) * | 1996-11-22 | 1997-07-02 | 石磊 | Hydraulic self-control multifunctional defecation nursing device for bed-ridden person |
| CN201212178Y (en) * | 2008-06-27 | 2009-03-25 | 张英华 | Automatic flushing device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201073399Y (en) * | 2007-07-10 | 2008-06-18 | 日照立德电子科技有限公司 | Urination and defecation automatic cleaning device special for medical care |
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