CN208779148U - Detecting device for pipeline blocking based on photoelectric sensor - Google Patents
Detecting device for pipeline blocking based on photoelectric sensor Download PDFInfo
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- CN208779148U CN208779148U CN201821486331.0U CN201821486331U CN208779148U CN 208779148 U CN208779148 U CN 208779148U CN 201821486331 U CN201821486331 U CN 201821486331U CN 208779148 U CN208779148 U CN 208779148U
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Abstract
The utility model discloses a kind of detecting device for pipeline blocking based on photoelectric sensor, including shell, are mounted on the intracorporal infusion pump of shell, are wound around on infusion pump and can make the liquid-transport pipe-line that liquid is flowed along expected flow direction in pipeline, the sensor module for whether blocking for detecting liquid-transport pipe-line and whether having liquid to input under the driving of infusion pump；Liquid-transport pipe-line include be sequentially connected according to liquid flow direction detect pipeline and for the output channel of external patient end for the input channel of external infusion device, the wriggle pipeline for detecting entrance detection pipeline that whether entrance block, being wound around infusion pump, for detect the outlet whether outlet blocks；Sensor module includes the first photoelectric sensor on entrance detection pipeline, the second photoelectric sensor on outlet detection pipeline and the third photoelectric sensor on input channel.The utility model utilizes the hypersensitivity of photoelectric sensor, can effectively detect whether liquid-transport pipe-line has blocking.
Description
Technical field
The utility model relates to a kind of pipe detection devices of medical instruments field, more particularly to one kind to be based on photoelectric sensing
The detecting device for pipeline blocking of device.
Background technique
Infusion pump is that liquid and homemade certain density meal cream can be inputted by nasogastric tube, has automatic infusion, is finished
The functions such as alarm and fast row, rotary-inversion axis, the nutrition condition that can improve patient is the basic condition of disease treatment.Due to liquid or certainly
There is the certain density meal cream of system certain viscosity may lead so will appear clogging when using infusion pump
It causes the reduction of conveying liquid or stops completely, thus will affect the feeding of patient.As safety measure, infusion pump is needed to have
There is detection hose blocking device.Detection device in the prior art uses pressure sensor mostly, utilizes pipeline inner equilibrium fluid
Pressure is detected.But current pressure sensor cannot still reach sensitivity for detecting slight pressure and high-resolution
It is required that it is unobvious for detecting slight blocking effect, cause hose to generate small, the pressure sensing of pressure difference variation due to slightly blocking
It is poor that device is difficult to slight pressure.
Therefore, the urgent need to resolve above problem.
Utility model content
Purpose of utility model: the purpose of the utility model is to provide one kind can effectively detect slight clogging in pipeline
Detecting device for pipeline blocking based on photoelectric sensor.
Technical solution: in order to achieve the above object, the utility model discloses a kind of line cloggings based on photoelectric sensor
Detection device including shell, is mounted on the intracorporal infusion pump of shell, is wound around on infusion pump and can make pipe under the driving of infusion pump
Liquid is flowed along expected flow direction in road liquid-transport pipe-line, for detecting whether liquid-transport pipe-line blocks and whether have liquid input
Sensor module；The liquid-transport pipe-line includes the input for external infusion device being sequentially connected according to liquid flow direction
Pipeline, the wriggle pipeline for detecting entrance detection pipeline that whether entrance block, being wound around infusion pump, for detecting
The outlet detection pipeline and the output channel for external patient end whether mouth blocks；The sensor module includes being set to
Entrance detects the first photoelectric sensor on pipeline, the second photoelectric sensor on outlet detection pipeline and is set to input pipe
Third photoelectric sensor on road.
Wherein, the entrance detection pipeline and outlet detection pipeline are arranged in parallel, and the two is made of one piece.
Preferably, first photoelectric sensor, the second photoelectric sensor and third photoelectric sensor are groove profile photoelectricity
Sensor, the entrance detection pipeline is located in the notch of the first photoelectric sensor, between tube wall and the first photoelectric sensor
Gap be greater than 0.1mm；The outlet detection pipeline is located in the notch of the second photoelectric sensor, tube wall and the second photoelectric transfer
Gap between sensor is greater than 0.1mm.
Furthermore the liquid-transport pipe-line further includes the fixing piece for connecting pipe, which includes being set on shell
Fixed frame, the first connecting tube for connecting input channel and entrance detection pipeline detect pipeline and wriggling for connecting entrance
Second connecting tube of pipeline detects the third connecting tube of pipeline and for connection outlet inspection for connecting wriggle pipeline and outlet
4th connecting tube in test tube road and output channel, and first connecting tube, the second connecting tube, third connecting tube and the 4th connection
Pipe is each attached on fixed frame.
Further, the wall thickness of the entrance detection pipeline is 0.25mm~2mm.
Preferably, the wall thickness of the outlet detection pipeline is 0.25mm~2mm.
Furthermore the input channel is transparent pipeline.
It further, further include warning device, display screen and operation button on shell, and intracorporal micro- positioned at shell
Processor.
A kind of detection method of the detecting device for pipeline blocking based on photoelectric sensor of the utility model, including walk as follows
It is rapid:
(1), system is initialized first, opens infusion pump, into full speed perfusion operation；
(2), the initial value for reading third photoelectric sensor is denoted as AD_AIR_0, reads the initial value of the first photoelectric sensor
It is denoted as AD_IN_0, the initial value for reading the second photoelectric sensor is denoted as AD_OUT_0；
(3), it is denoted as AD_AIR every the 200ms measured value for reading third photoelectric sensor, reads the first photoelectric sensor
Measured value be denoted as AD_IN, the measured value for reading the second photoelectric sensor is denoted as AD_OUT；
(4), when reading AD_AIR-AD_AIR_0 > A_DATA, then show that liquid enters infusion pump, record at this time the
The current measurement value of three photoelectric sensors is AD_AIR_1；
(5), when reading AD_IN-AD_IN_0 > B_DATA, then show liquid by the first photoelectric sensor, record
The current measurement value of the first photoelectric sensor is AD_IN_1 at this time；
(6), when reading AD_OUT-AD_OUT_0 > C_DATA, then show liquid by the second photoelectric sensor, note
The current measurement value for recording the second photoelectric sensor at this time is AD_OUT_1；
(7), when liquid reaches output channel exit, infusion pump out of service；By the patient of output channel and peripheral hardware
Pipeline connection, is arranged the total amount and rate of infusion pump, bring into operation infusion pump；
(8), when detecting AD_IN-AD_IN_1 > D_DATA, then show that entrance blocks, display screen display enters
Mouth blocking, and alarm is carried out by warning device；
(9), when detecting AD_OUT_1-AD_OUT > E_DATA and AD_OUT >=AD_OUT_0, then show outlet
Blocking shows screen display blocked inlet, and carries out alarm by warning device.
The utility model has the advantages that compared with prior art, the utility model has the advantage that the utility model utilizes photoelectricity first
The hypersensitivity of sensor is detected in input channel, the entrance of liquid-transport pipe-line and is separately installed on pipeline and outlet detection pipeline
Photoelectric sensor, whether the entrance and exit that can effectively detect liquid-transport pipe-line has blocking, and whether has liquid input；This is practical
The tube wall of novel entrance detection pipeline and outlet detection pipeline is relatively thin, corresponding convenient for generating when liquid blocks
Deformation is detected with reaching the light transmittance for changing pipeline convenient for photoelectric sensor；The input channel uses transparent pipeline,
Convenient for the colourless liquid and colored liquid of observation input；The detection method of last the utility model, is simple and efficient, convenient for promoting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of liquid-transport pipe-line in the utility model；
Fig. 3 is the perspective view of the explosion of liquid-transport pipe-line in the utility model；
Fig. 4 is the flow diagram of detection method in the utility model.
Specific embodiment
The technical solution of the utility model is described further with reference to the accompanying drawing.
As shown in Figure 1, a kind of detecting device for pipeline blocking based on photoelectric sensor of the utility model, including shell 1, peace
Infusion pump 2 in shell 1 is wound around on infusion pump 2 and can make in pipeline liquid along expected stream under the driving of infusion pump 2
The liquid-transport pipe-line 3 of dynamic direction flowing, for detect sensor module that whether liquid-transport pipe-line 3 block and have liquid to input,
Warning device 7, display screen 8 and operation button 9 on shell 1, and the microprocessor 10 in shell 1.Alarm dress
It sets 7 to be made of buzzer, after voltage of the microprocessor 10 by reading sensor module, judges to block, microprocessor
Control buzzer is issued into alarm sound.Display screen 8 is made of a oled screen, it can show Chinese, is suitble to China mostly
Number group uses.After microprocessor is by reading trough type photoelectric sensor voltage, judge to block, microprocessor will be aobvious
Output is blocked inlet or outlet obstruction in display screen；It shows that menu is configured by single feeding mode and interval feeding mode
Relevant parameter.Operation button 9 is made of 6 keys, power on/off key: pressing 3s can be with switching on and shutting down；It removes return key: pressing
It can return to one layer of menu, and remove the data of current setting；Menu key: current setting item can be entered by pressing；Operation stops
Only key: starting pump, or again by once make pump in stop key, long-pressing 3s perfusion operation at full speed；Upper selection key: it presses optional
The next item up menu, or in data setting, setting value can be increased；Lower selection key: optional the next item down menu, Huo Zhe are pressed
When data are arranged, setting value can be reduced.
The utility model liquid-transport pipe-line 3 includes being sequentially connected according to liquid flow direction for the defeated of external infusion device
The wriggle pipeline for entering pipeline 301, detecting pipeline 302 for detecting the entrance whether entrance blocks, be wound around infusion pump
303, pipeline 304 is detected, for the output channel 305 and use of external patient end for detecting the outlet whether outlet blocks
In the fixing piece of connecting pipe；Entrance detect pipeline 302 and outlet detection pipeline 304 it is arranged in parallel, and the two one at
Type forms, and the wall thickness that entrance detects pipeline 302 is 0.25mm~2mm, wherein preferably 1mm, the wall thickness of outlet detection pipeline 304
For 0.25mm~2mm, wherein preferably 0.9mm, the wall thickness of outlet detection pipeline 304 is less than the wall of entrance detection pipeline 302
Thickness expands convenient for outlet detection pipeline 304 when blocking, convenient for test；The entrance detection pipeline of the utility model and outlet
The tube wall for detecting pipeline is relatively thin, when liquid blocks, convenient for generating corresponding deformation, to reach the light transmission for changing pipeline
Degree, is detected convenient for photoelectric sensor；When entrance blocks, entrance detection pipeline 302 can be shunk, when outlet is sent out
When raw blocking, tympanites can occur for outlet detection pipeline 304.Input channel 301 is transparent pipeline, convenient for the colourless liquid of observation input
Body and colored liquid.
The fixing piece includes the fixed frame 306 being set on shell 1, for connecting input channel 301 and entrance detection pipeline
302 the first connecting tube 307 detects the second connecting tube 308 of pipeline 302 and wriggle pipeline 303 for connecting entrance, for connecting
Connect the third connecting tube 309 of wriggle pipeline 303 and outlet detection pipeline 304 and for connection outlet detection pipeline 304 and defeated
4th connecting tube 310 of pipeline 305 out, and first connecting tube 307, the second connecting tube 308, third connecting tube 309 and
Four connecting tubes 310 are each attached on fixed frame 306.
The sensor module of the utility model includes the first photoelectric sensor 4 being set on entrance detection pipeline, is set to
The second photoelectric sensor 5 on mouth detection pipeline and the third photoelectric sensor 6 on input channel.First photoelectric sensor
4, the second photoelectric sensor 5 and third photoelectric sensor 6 are trough type photoelectric sensor, and entrance detects pipeline 302 and is located at first
In the notch of photoelectric sensor 4, the gap between tube wall and the first photoelectric sensor 4 is greater than 0.1mm；The outlet detection pipe
Road 304 is located in the notch of the second photoelectric sensor 5, and the gap between tube wall and the second photoelectric sensor 5 is greater than 0.1mm.
A kind of detection method of the detecting device for pipeline blocking based on photoelectric sensor of the utility model, including walk as follows
It is rapid:
(1), system is initialized first, opens infusion pump, into full speed perfusion operation；
(2), the initial value for reading third photoelectric sensor 6 is denoted as AD_AIR_0, reads the initial of the first photoelectric sensor 4
Value is denoted as AD_IN_0, and the initial value for reading the second photoelectric sensor 5 is denoted as AD_OUT_0；
(3), it is denoted as AD_AIR every the 200ms measured value for reading third photoelectric sensor 6, reads the first photoelectric sensor
4 measured value is denoted as AD_IN, and the measured value for reading the second photoelectric sensor 5 is denoted as AD_OUT；
(4), when reading AD_AIR-AD_AIR_0 > A_DATA, then show that liquid enters infusion pump 2, record at this time the
The current measurement value of three photoelectric sensors 6 is AD_AIR_1；
(5), when reading AD_IN-AD_IN_0 > B_DATA, then show liquid by the first photoelectric sensor 4, record
The current measurement value of the first photoelectric sensor 4 is AD_IN_1 at this time；
(6), when reading AD_OUT-AD_OUT_0 > C_DATA, then show liquid by the second photoelectric sensor 5, note
The current measurement value for recording the second photoelectric sensor 5 at this time is AD_OUT_1；
(7), when liquid reaches 305 exit of output channel, infusion pump out of service；By output channel 305 and peripheral hardware
Patient's pipeline connection, be arranged infusion pump 2 total amount and rate, bring into operation infusion pump；
(8), when detecting AD_IN-AD_IN_1 > D_DATA, then show that entrance blocks, shown on display screen 8 into
Mouth blocking, and alarm is carried out by warning device 7；
(9), when detecting AD_OUT_1-AD_OUT > E_DATA and AD_OUT >=AD_OUT_0, then show outlet
It blocks, blocked inlet is shown on display screen 8, and alarm is carried out by warning device 7.
Wherein, A_DATA, B_DATA, C_DATA, D_DATA, E_DATA are the values demarcated according to different solutions.Work as liquid
When for enteral nutrition suspension, the calibration value that the calibration value of A_DATA is chosen as 2000, B_DATA is chosen as 100, C_DATA's
The calibration value that the calibration value that calibration value is chosen as 100, D_DATA is chosen as 30, E_DATA is chosen as 30.
Claims (8)
1. a kind of detecting device for pipeline blocking based on photoelectric sensor, it is characterised in that: including shell (1), be mounted on shell
(1) infusion pump (2) in is wound around on infusion pump (2) and can make in pipeline liquid along expected stream under the driving of infusion pump (2)
The liquid-transport pipe-line (3) of dynamic direction flowing, the sensor group for whether blocking for detecting liquid-transport pipe-line (3) and whether thering is liquid to input
Part；The liquid-transport pipe-line (3) includes the input channel for external infusion device being sequentially connected according to liquid flow direction
(301), the wriggle pipeline for detecting pipeline (302) for detecting the entrance whether entrance blocks, being wound around infusion pump
(303), pipeline (304) are detected and for the output channel of external patient end for detecting the outlet whether outlet blocks
(305)；The sensor module includes the first photoelectric sensor (4) being set on entrance detection pipeline, is set to outlet detection pipe
The second photoelectric sensor (5) on road and the third photoelectric sensor (6) on input channel.
2. the detecting device for pipeline blocking according to claim 1 based on photoelectric sensor, it is characterised in that: the entrance
It detects pipeline (302) and outlet detection pipeline (304) is arranged in parallel, and the two is made of one piece.
3. the detecting device for pipeline blocking according to claim 1 based on photoelectric sensor, it is characterised in that: described first
Photoelectric sensor (4), the second photoelectric sensor (5) and third photoelectric sensor (6) are trough type photoelectric sensor, the entrance
Detection pipeline (302) be located in the notch of the first photoelectric sensor (4), between tube wall and the first photoelectric sensor (4) between
Gap is greater than 0.1mm；Outlet detection pipeline (304) is located in the notch of the second photoelectric sensor (5), tube wall and the second light
Gap between electric transducer (5) is greater than 0.1mm.
4. the detecting device for pipeline blocking according to claim 1 based on photoelectric sensor, it is characterised in that: the infusion
Pipeline (3) further includes the fixing piece for connecting pipe, which includes the fixed frame (306) being set on shell (1), is used for
The first connecting tube (307) of connection input channel (301) and entrance detection pipeline (302) detects pipeline for connecting entrance
(302) and the second connecting tube (308) of wriggle pipeline (303), for connect wriggle pipeline (303) and outlet detection pipeline
(304) third connecting tube (309) and the 4th connection for connection outlet detection pipeline (304) and output channel (305)
It manages (310), and first connecting tube (307), the second connecting tube (308), third connecting tube (309) and the 4th connecting tube
(310) it is each attached on fixed frame (306).
5. the detecting device for pipeline blocking according to claim 1 based on photoelectric sensor, it is characterised in that: the entrance
The wall thickness for detecting pipeline (302) is 0.25mm~2mm.
6. the detecting device for pipeline blocking according to claim 1 based on photoelectric sensor, it is characterised in that: the outlet
The wall thickness for detecting pipeline (304) is 0.25mm~2mm.
7. the detecting device for pipeline blocking according to claim 1 based on photoelectric sensor, it is characterised in that: the input
Pipeline (301) is transparent pipeline.
8. the detecting device for pipeline blocking according to claim 1 based on photoelectric sensor, it is characterised in that: further include position
In warning device (7), display screen (8) and operation button (9) on shell (1), and the microprocessor being located in shell (1)
(10)。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821486331.0U CN208779148U (en) | 2018-09-12 | 2018-09-12 | Detecting device for pipeline blocking based on photoelectric sensor |
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| CN201821486331.0U CN208779148U (en) | 2018-09-12 | 2018-09-12 | Detecting device for pipeline blocking based on photoelectric sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843975A (en) * | 2018-09-12 | 2018-11-20 | 南京法迈特科技发展有限公司 | Detecting device for pipeline blocking and its detection method based on photoelectric sensor |
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2018
- 2018-09-12 CN CN201821486331.0U patent/CN208779148U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843975A (en) * | 2018-09-12 | 2018-11-20 | 南京法迈特科技发展有限公司 | Detecting device for pipeline blocking and its detection method based on photoelectric sensor |
| CN108843975B (en) * | 2018-09-12 | 2024-04-30 | 南京法迈特科技发展有限公司 | Pipeline blockage detection device based on photoelectric sensor and detection method thereof |
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Address after: No.57 Huayuan Avenue, economic development zone, Gaochun District, Nanjing City, Jiangsu Province Patentee after: NANJING FMT MEDICAL Co.,Ltd. Address before: 210032 the four layer of B block, Ding Ye Bai Tai biological building, No. 10, Spark Road, Nanjing high tech Industrial Development Zone, Jiangsu, China. Patentee before: NANJING FMT MEDICAL Co.,Ltd. |