CN106075668A - Air detection device in a kind of infusion pipeline - Google Patents
Air detection device in a kind of infusion pipeline Download PDFInfo
- Publication number
- CN106075668A CN106075668A CN201610660109.7A CN201610660109A CN106075668A CN 106075668 A CN106075668 A CN 106075668A CN 201610660109 A CN201610660109 A CN 201610660109A CN 106075668 A CN106075668 A CN 106075668A
- Authority
- CN
- China
- Prior art keywords
- module
- microcontroller
- transducer
- detection device
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
- A61M5/365—Air detectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3375—Acoustical, e.g. ultrasonic, measuring means
Abstract
nullThe invention discloses air detection device in a kind of infusion pipeline，Relate to medical instruments field，Including housing and the hardware components being arranged in housing，Housing tip surface configuration has installation groove，It is provided with power line on housing bottom end surface，Power line connects plug wire head，Hardware components is by microcontroller、Ultrasound transmitting transducer、Ultrasound wave receives transducer、Receive signal and amplify Shaping Module、Sensitivity adjustment device、Output state indicating module and the outside module that enables form，The outside module that enables is electrically connected with microcontroller，Microprocessor controls connection have sensitivity adjustment device、Output state indicating module and ultrasound transmitting transducer，Ultrasound transmitting transducer、Ultrasound wave receives transducer、Receive signal amplification Shaping Module to be electrically connected with successively，Receive signal amplification Shaping Module to be connected with microcontroller again，The method have the advantages that components and parts are few、Simple in construction、Stable performance、Low cost、Volume is little、Sensitivity adjustable、Practical etc..
Description
Technical field
The present invention relates to medical instruments field, particularly to air detection device in a kind of infusion pipeline.
Background technology
In commercial production, medical applications, particularly medical apparatus and instruments, need non-contact detection to infuse in the case of having a lot
Whether there is air in pipeline, such as: blood processing apparatus, blood component collection equipment, infusion pump etc., and air detecting device exists
Function in actual application is different, is also not quite similar its sensitivity requirement, so suitably sensitivity has for reality application
The meaning of very severe, the sensitiveest will also result in necessarily is perplexed.At present, air detecting device is ultrasound wave air detection
Device, its control technology is commonly: is produced ultrasonic pulse at transmitting terminal by high frequency modulated circuit, is loaded on transmitting transducer,
Ultrasonic signal is transferred to receive on transducer through detected material, the amplified shaping of signal after reception, logical process, pulsimeter
Number, again logical process, could export result signal.It is following that the processing mode of its complexity and more components and parts cause it to have
Feature: the shortcomings such as unstable properties, structure are complicated, cost is high, volume is big, sensitivity can not adjust.
Summary of the invention
The technical problem to be solved is to provide air detection device in a kind of infusion pipeline, to solve existing skill
The above-mentioned multinomial defect caused in art.
For achieving the above object, the present invention provides following technical scheme: air detection device in a kind of infusion pipeline, bag
Including housing and the hardware components being arranged in housing, described housing tip surface configuration has installation groove, on housing bottom end surface
Being provided with power line, described power line connects plug wire head, described hardware components by microcontroller, ultrasound transmitting transducer,
Ultrasound wave receives transducer, receives signal amplification Shaping Module, sensitivity adjustment device, output state indicating module block and outside
Enable module composition, the outside module that enables is electrically connected with microcontroller, and microprocessor controls connection have sensitivity control
Part, output state indicating module and ultrasound transmitting transducer, described ultrasound transmitting transducer, ultrasound wave reception transducer,
Receive signal amplification Shaping Module to be electrically connected with successively, receive signal amplification Shaping Module and be connected with microcontroller again.
Preferably, described microcontroller uses the little chi with PWM output function or clock output function and tally function
Very little paster encapsulation high-speed microprocessor, dsp processor or arm processor.
Preferably, described microcontroller includes impulse scaler, master control system and the PWM generator composition being sequentially connected with.
Preferably, described sensitivity adjusting device comprises a calibrated section and a regulation part, and calibrated section uses routine
Switch or button, regulation part uses binary-coded decimal switch, potentiometer or toggle switch.
Use above technical scheme to provide the benefit that: air detection device in present configuration infusion pipeline, apply to
The adjustable Ultrasonic Wave Air Detector of microcontroller type sensitivity controls technology, and wherein signal projector and signal receiving element are
Transducer, overall structure is simple, and cost of manufacture is low, stable performance, and volume is little, and sensitivity adjustable is practical etc., has city
Field promotional value.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of air detection device hardware components in infusion pipeline of the present invention.
Fig. 2 is the front view of air detection device in infusion pipeline of the present invention.
Fig. 3 is the side view of air detection device in infusion pipeline of the present invention.
Wherein, 1-microcontroller, 2-ultrasound transmitting transducer, 3-ultrasound wave receives transducer, and 4-receives signal and amplifies
Shaping Module, 5-sensitivity adjusting device, 6-output state indicating module, 7-is outside enables module, 8-PWM generator, 9-arteries and veins
Rushing enumerator, 10-master control system, 11-housing, 12-power line, 13-plug wire head, 14-installs groove.
Detailed description of the invention
The preferred implementation of air detection device in detailed description infusion pipeline of the present invention below in conjunction with the accompanying drawings.
Fig. 1-Fig. 3 shows the detailed description of the invention of air detection device in infusion pipeline of the present invention: in a kind of infusion pipeline
Air detection device, including housing 11 and the hardware components being arranged in housing, housing 11 top end surface is provided with installation groove
14, install and the pipeline in requisition for detection can be installed at groove 14.Power line 12, described electricity it is provided with on housing 11 bottom end surface
Source line connects plug wire head 13, and plug wire head 13 connects with the plug of corresponding medical apparatus and instruments.Described hardware components by microcontroller 1,
Ultrasound transmitting transducer 2, ultrasound wave receive transducer 3, receive signal and amplify Shaping Module 4, sensitivity adjustment device 5, defeated
The indicating module 6 that does well forms with the outside module 7 that enables.Microcontroller 1 uses the little chi supporting the machine cycle to be more than 1/6us
Very little paster encapsulation high-speed microprocessor, has high speed PWM output function simultaneously.Ultrasound transmitting transducer 2 and ultrasound wave receive and change
Pressure ceramic element, microcontroller 1 can be used to drive ultrasound transmitting transducer 2 to work by device 3, then ultrasound transmitting transducer
2 will receive detected material transmission signal after pass to ultrasound wave receive transducer 3 again signal is given reception signal amplify whole
Shape module 4 processes.Receive signal amplification Shaping Module 4 and use high speed operation amplifier and a high speed voltage comparator and peripheral unit
The amplification and rectification circuit of part composition, the counting pulse signal of output is connected to the tally function pin of microcontroller.Sensitivity is adjusted
Whole device 5 is connected to the I/O mouth of microcontroller 1, to determine calibration parameter and sensitivity level.Output state indicating module 6 by
One light emitting diode and a current-limiting resistance are connected to the I/O mouth of microcontroller 1 to fill current system.Outside enable module 7 is direct
Being connected to microcontroller 1 external interrupt pin, outside enable signal is input to microcontroller 1, and microcontroller 1 controls PWM and sends out
Raw device quits work, and is in stopping detection air condition, thus realizes the function of outside enable.
In the present embodiment, described microcontroller 1 uses and has PWM output function or clock output function and tally function
Small size paster encapsulation high-speed microprocessor, dsp processor or arm processor.
In the present embodiment, described microcontroller 1 includes that the impulse scaler 9 being sequentially connected with, master control system 10 and PWM are sent out
Raw device 8 forms.
In the present embodiment, described sensitivity adjusting device 5 comprises a calibrated section and a regulation part, and calibrated section is adopted
With ordinary tap or button, regulation part uses binary-coded decimal switch, potentiometer or toggle switch.
In infusion pipeline of the present invention, the operation principle of air detection device is as follows: microcontroller 1 part contains PWM and occurs
Device 8, impulse scaler 9 and master control system 10.Generated high-frequency PWM signal by PWM generator 8 and directly drive ultrasonic emitting transducing
Device 9, the ultrasonic signal of generation is transferred to receive on transducer 3 through detected material, and the Weak Ultrasonic ripple signal received is through connecing
Collect mail and number amplify a Shaping Module 4 and export counting pulse signal, receive signal amplify Shaping Module 4 by a high speed operation amplifier and
One high speed voltage comparator and some peripheral cells composition, amplify the Transistor-Transistor Logic level signal after shaping and be directly output to microcontroller 1
Impulse scaler 9 unit count, by microcontroller 1 according to the setting state of sensitivity adjustment device 6 to enumerator
Count range is set, thus realizes the adjustable function of sensitivity, if impulse scaler 9 overflows in the unit interval
Go out, be then judged as there is air, microcontroller 1 directly export result and condition indicative signal.Make it addition, the present invention has outside
Energy function, outside enable signal is directly inputted to microcontroller 1, and microcontroller 1 controls PWM generator 8 and quits work, and is in
Stop detection air condition, thus realize the function of outside enable.
Based on above-mentioned, air detection device in present configuration infusion pipeline, in present configuration infusion pipeline, air is visited
Survey device, apply to microcontroller type sensitivity adjustable Ultrasonic Wave Air Detector controls technology, wherein signal projector with
Signal receiving element is transducer, and overall structure is simple, and cost of manufacture is low, stable performance, and volume is little, sensitivity adjustable, real
Strong etc. by property, there is market popularization value.
Above-described is only the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, these broadly fall into the present invention
Protection domain.
Claims (4)
1. an air detection device in infusion pipeline, including housing and the hardware components being arranged in housing, it is characterised in that:
Described housing tip surface configuration has installation groove, and housing bottom end surface is provided with power line, and the connection of described power line has slotting
The end of a thread, described hardware components is amplified whole by microcontroller, ultrasound transmitting transducer, ultrasound wave reception transducer, reception signal
Shape module, sensitivity adjustment device, output state indicating module and the outside module composition that enables, outside enable module and microcontroller
Device is electrically connected with, and microprocessor controls connection have sensitivity adjustment device, output state indicating module and ultrasonic emitting to change
Energy device, described ultrasound transmitting transducer, ultrasound wave receive transducer, reception signal amplifies Shaping Module and is electrically connected with successively,
Receive signal amplification Shaping Module to be connected with microcontroller again.
Air detection device in a kind of infusion pipeline the most according to claim 1, it is characterised in that described microcontroller is adopted
High-speed microprocessor, dsp processor is encapsulated with the small size paster with PWM output function or clock output function and tally function
Or arm processor.
Air detection device in a kind of infusion pipeline the most according to claim 2, it is characterised in that described microcontroller bag
Include impulse scaler, master control system and the PWM generator composition being sequentially connected with.
4. according to air detection device in a kind of infusion pipeline described in claim 1-3, it is characterised in that described sensitivity is adjusted
Joint device comprises a calibrated section and a regulation part, and calibrated section uses ordinary tap or button, regulation part to use binary-coded decimal
Switch, potentiometer or toggle switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660109.7A CN106075668A (en) | 2016-08-12 | 2016-08-12 | Air detection device in a kind of infusion pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660109.7A CN106075668A (en) | 2016-08-12 | 2016-08-12 | Air detection device in a kind of infusion pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106075668A true CN106075668A (en) | 2016-11-09 |
Family
ID=57456761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610660109.7A Pending CN106075668A (en) | 2016-08-12 | 2016-08-12 | Air detection device in a kind of infusion pipeline |
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| Country | Link |
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| CN (1) | CN106075668A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132299A (en) * | 2018-03-06 | 2018-06-08 | 杭州森威传感科技有限公司 | A kind of air bubble sensor and method for bubble in signal piping |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20101082U1 (en) * | 2001-01-20 | 2002-05-29 | Braun Melsungen Ag | Ultrasonic sensor for the detection of gas bubbles |
| CN201033190Y (en) * | 2007-01-17 | 2008-03-12 | 华南理工大学 | Air bubble infrared test apparatus of medical infusion tube |
| CN101653627A (en) * | 2009-08-04 | 2010-02-24 | 四川南格尔生物医学股份有限公司 | Digital medical ultrasonic bubble detector |
| CN203758963U (en) * | 2014-02-18 | 2014-08-06 | 北京万东康源科技开发有限公司 | Ultrasonic signal detection device |
| CN205055053U (en) * | 2015-07-21 | 2016-03-02 | 苏州麦德迅医疗科技有限公司 | Infusion bubble detection circuit |
| CN206228706U (en) * | 2016-08-12 | 2017-06-09 | 董稳 | Air detection device in a kind of infusion pipeline |
-
2016
- 2016-08-12 CN CN201610660109.7A patent/CN106075668A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20101082U1 (en) * | 2001-01-20 | 2002-05-29 | Braun Melsungen Ag | Ultrasonic sensor for the detection of gas bubbles |
| CN201033190Y (en) * | 2007-01-17 | 2008-03-12 | 华南理工大学 | Air bubble infrared test apparatus of medical infusion tube |
| CN101653627A (en) * | 2009-08-04 | 2010-02-24 | 四川南格尔生物医学股份有限公司 | Digital medical ultrasonic bubble detector |
| CN203758963U (en) * | 2014-02-18 | 2014-08-06 | 北京万东康源科技开发有限公司 | Ultrasonic signal detection device |
| CN205055053U (en) * | 2015-07-21 | 2016-03-02 | 苏州麦德迅医疗科技有限公司 | Infusion bubble detection circuit |
| CN206228706U (en) * | 2016-08-12 | 2017-06-09 | 董稳 | Air detection device in a kind of infusion pipeline |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132299A (en) * | 2018-03-06 | 2018-06-08 | 杭州森威传感科技有限公司 | A kind of air bubble sensor and method for bubble in signal piping |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190131 Address after: 710065 Yanta District, Xi'an City, Shaanxi Province, No. 2 Yanhuan Middle Road, No. 1 Building, No. 1 Unit 1, No. 1 Applicant after: Dong Yadong Applicant after: Wang Xiaoning Address before: 476800 Renzhuang Village Committee, Beiguan Town, Shangqiu Civil Rights County, Henan Province Applicant before: Dong Wen Applicant before: SHANGHAI YIXIAO BIOTECHNOLOGY CO.,LTD. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200414 Address after: 200126 Pudong New Area, China (Shanghai) free trade zone, Yaohua Road, No. 251, a layer of a layer of Applicant after: SAIRUO MAIDE (SHANGHAI) BIOTECHNOLOGY Co.,Ltd. Address before: 710065, 1, 1, unit 1, No. 1, Yan Ring Road 2, Yanta District, Xi'an, Shaanxi. Applicant before: Dong Yadong Applicant before: Wang Xiaoning |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161109 |