CN104606743A - Transfusion alarm with single-chip system - Google Patents
Transfusion alarm with single-chip system Download PDFInfo
- Publication number
- CN104606743A CN104606743A CN201510084251.7A CN201510084251A CN104606743A CN 104606743 A CN104606743 A CN 104606743A CN 201510084251 A CN201510084251 A CN 201510084251A CN 104606743 A CN104606743 A CN 104606743A
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- CN
- China
- Prior art keywords
- alarm
- drive circuit
- chip
- capacitance
- liquid
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
-
- 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
- A61M2205/18—General characteristics of the apparatus with alarm
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a transfusion alarm with a single-chip system, and belongs to the technical field of electronics. The transfusion alarm with the single-chip system is characterized in that a capacitance value of a corresponding transfusion pipe is measured; when the corresponding transfusion pipe has liquid, the capacitance value measured by the alarm is large; when the corresponding transfusion pipe does not have liquid, the capacitance value measured by the alarm is small; and when the capacitance value of the corresponding transfusion pipe reaches a set value, an alarming signal is triggered. The transfusion alarm with the single-chip system is high in measurement precision, reliable in performance, small in size, convenient to use and low in price.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of system-on-a-chip infusion alarm.
Background technology
In the process of patient infusion, must be noted that, before liquid is complete by conveying, to need medical worker to process in time.Processed early, medicinal liquid is also residual a lot, and cause the waste of medicinal liquid, process is late, and the blood of patient just blows back into Transfusion needle pipe because of blank pipe, causes the problems such as the swelling at the contact pin position of patient.Therefore infusion alarming detects the pressure that transfusion condition can alleviate medical worker and patient nursing personnel automatically.
Present infusion alarm adopts the principle of LOAD CELLS weighing amount or the principle of photoelectric sensor light-metering electrical signal intensity to judge that transfusion is the need of end.Their certainty of measurement is poor, poor reliability, and rate of false alarm is high, system complex, and result of use can not get the accreditation of user, thus could not commercially extensively adopt.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming and a kind of certainty of measurement provided is high, dependable performance, volume is little, easy to use, low-cost system-on-a-chip infusion alarm.
A kind of system-on-a-chip infusion alarm of the present invention, wherein: the capacitance measuring corresponding liquid-transport pipe-line, when there being liquid in corresponding liquid-transport pipe-line part, the capacitance that alarm measurement obtains is large, when there is no liquid in corresponding liquid-transport pipe-line part, the capacitance that alarm measurement obtains is little, when the electric capacity measuring corresponding liquid-transport pipe-line part is varied down to setting value, and trigger alarm signals.
Above-mentioned a kind of system-on-a-chip infusion alarm, wherein: comprise capacitance measurement circuit, buzzer drive circuit and LED drive circuit, capacitance measurement circuit is connected with buzzer drive circuit, LED drive circuit respectively.
Above-mentioned a kind of system-on-a-chip infusion alarm, wherein: capacitance measurement circuit, buzzer drive circuit and LED diode drive circuit are integrated on a chip.
Above-mentioned a kind of system-on-a-chip infusion alarm, wherein: capacitance measurement circuit is connected with Wireless Telecom Equipment.
Above-mentioned a kind of system-on-a-chip infusion alarm, wherein: buzzer drive circuit is connected with buzzer.
Above-mentioned a kind of system-on-a-chip infusion alarm, wherein: LED drive circuit is connected with LED.
Above-mentioned a kind of system-on-a-chip infusion alarm, wherein: adopt button cell to power.
The present invention compared with prior art, has obvious beneficial effect, as can be known from the above technical solutions: the present invention, by installing system-on-a-chip (SOC) infusion alarm on liquid-transport pipe-line, measures the capacitance of corresponding liquid-transport pipe-line part.When there being liquid in corresponding liquid-transport pipe-line part, the capacitance that the measurement of system-on-a-chip (SOC) alarm obtains is large, and when not having liquid in corresponding liquid-transport pipe-line part, the capacitance that the measurement of system-on-a-chip (SOC) alarm obtains is little.System-on-a-chip (SOC) alarm when the electric capacity measuring corresponding liquid-transport pipe-line part is varied down to setting value, trigger alarm signals.Due to the consideration on cost, the present invention utilizes the fast development of modern electronic technology, large scale integrated circuit system-on-a-chip (SOC) technology will be adopted, capacitance measurement circuit, buzzer drive circuit and LED drive circuit are integrated on a chip, thus reduce the price of alarm, reduce the volume of alarm and increase the reliability of alarm.Conveniently use, system-on-a-chip (SOC) alarm button cell is powered.Warning triggering signal can also be connected with Wireless Telecom Equipment, realizes remote alarms by Wireless Telecom Equipment.The present invention adopts large scale integrated circuit system-on-a-chip (SOC) technology, differentiate whether liquid-transport pipe-line part also has medicinal liquid by the principle of the change of measuring corresponding liquid-transport pipe-line partition capacitance, its dependable performance, low in energy consumption, volume is little, easy to use, low price, is applicable to large-scale promotion and uses.
Accompanying drawing explanation
Fig. 1 is circuit theory schematic diagram of the present invention.
Fig. 2 is using state figure of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, to the system-on-a-chip infusion alarm detailed description of the invention proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
Embodiment 1
See Fig. 1, a kind of system-on-a-chip infusion alarm, comprise the capacitance measuring corresponding liquid-transport pipe-line, when there being liquid in corresponding liquid-transport pipe-line part, the capacitance that alarm measurement obtains is large, and when not having liquid in corresponding liquid-transport pipe-line part, the capacitance that alarm measurement obtains is little, when the electric capacity measuring corresponding liquid-transport pipe-line part is varied down to setting value, trigger alarm signals.
It comprises capacitance measurement circuit, buzzer drive circuit and LED drive circuit, and capacitance measurement circuit is connected with buzzer drive circuit, LED drive circuit respectively.Buzzer drive circuit is connected with buzzer, and LED drive circuit is connected with LED.Employing button cell is powered.
embodiment 2
See Fig. 1, a kind of system-on-a-chip infusion alarm, comprise: the capacitance measuring corresponding liquid-transport pipe-line, when there being liquid in corresponding liquid-transport pipe-line part, the capacitance that alarm measurement obtains is large, and when not having liquid in corresponding liquid-transport pipe-line part, the capacitance that alarm measurement obtains is little, when the electric capacity measuring corresponding liquid-transport pipe-line part is varied down to setting value, trigger alarm signals.
It comprises capacitance measurement circuit, buzzer drive circuit and LED drive circuit, and capacitance measurement circuit is connected with buzzer drive circuit, LED drive circuit, Wireless Telecom Equipment respectively (realizing remote alarms by Wireless Telecom Equipment).Buzzer drive circuit is connected with buzzer, and LED drive circuit is connected with LED.Employing button cell is powered.
operation principle: see Fig. 2, system-on-a-chip infusion alarm is arranged on tube for transfusion, measures the capacitance of installation position tube for transfusion.When there being liquid in this position tube for transfusion, the capacitance recorded is large; After liquid stream in this position tube for transfusion is empty, the electric capacity recorded is little.By measuring the change of capacitance size, when electric capacity is varied down to the value of setting, trigger alarm signals, buzzer drive circuit task driven buzzer sends chimes of doom (audible alarm), LED drive circuit task driven LED luminescence (light warning); Trigger alarm signals also can send and send to Wireless Telecom Equipment, realizes remote alarms by Wireless Telecom Equipment.Conveniently use, adopt large scale integrated circuit system-on-a-chip (SOC) technology, capacitance measurement circuit, buzzer drive circuit and LED diode drive circuit are integrated on a chip, form complete system-on-a-chip (SOC) products scheme.Alarm button cell is powered.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, anyly do not depart from technical solution of the present invention content, the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a system-on-a-chip infusion alarm, it is characterized in that: the capacitance measuring corresponding liquid-transport pipe-line, when there being liquid in corresponding liquid-transport pipe-line part, the capacitance that alarm measurement obtains is large, when there is no liquid in corresponding liquid-transport pipe-line part, the capacitance that alarm measurement obtains is little, when the electric capacity measuring corresponding liquid-transport pipe-line part is varied down to setting value, and trigger alarm signals.
2. a kind of system-on-a-chip infusion alarm as claimed in claim 1, it is characterized in that: comprise capacitance measurement circuit, buzzer drive circuit and LED drive circuit, capacitance measurement circuit is connected with buzzer drive circuit, LED drive circuit respectively.
3. a kind of system-on-a-chip infusion alarm as claimed in claim 2, is characterized in that: capacitance measurement circuit, and buzzer drive circuit and LED diode drive circuit are integrated on a chip.
4. a kind of system-on-a-chip infusion alarm as described in one of claim 1-3, is characterized in that: capacitance measurement circuit is connected with Wireless Telecom Equipment.
5. a kind of system-on-a-chip infusion alarm as claimed in claim 2 or claim 3, is characterized in that: buzzer drive circuit is connected with buzzer.
6. a kind of system-on-a-chip infusion alarm as claimed in claim 2 or claim 3, is characterized in that: LED drive circuit is connected with LED.
7. system-on-a-chip infusion alarm as claimed in claim 4, is characterized in that: adopt button cell to power.
8. system-on-a-chip infusion alarm as claimed in claim 5, is characterized in that: adopt button cell to power.
9. system-on-a-chip infusion alarm as claimed in claim 6, is characterized in that: adopt button cell to power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510084251.7A CN104606743A (en) | 2015-02-16 | 2015-02-16 | Transfusion alarm with single-chip system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510084251.7A CN104606743A (en) | 2015-02-16 | 2015-02-16 | Transfusion alarm with single-chip system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104606743A true CN104606743A (en) | 2015-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510084251.7A Pending CN104606743A (en) | 2015-02-16 | 2015-02-16 | Transfusion alarm with single-chip system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104606743A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5135485A (en) * | 1991-02-25 | 1992-08-04 | Louis Cohen | Capacitance-type fluid level sensor for i.v. and catheter bags |
| US5704923A (en) * | 1995-08-31 | 1998-01-06 | Chiu-Hsiung; Chiang | Liquid level detector and alarm device for drip infusion sets |
| CN201182791Y (en) * | 2007-12-18 | 2009-01-21 | 浙江理工大学 | Alarm of infusion ending |
| CN201418062Y (en) * | 2009-04-21 | 2010-03-03 | 中国人民解放军南京军区南京总医院 | Human body induction control device for volume of medical equipment |
| CN101991890A (en) * | 2010-11-24 | 2011-03-30 | 杭州师范大学 | Radio transfusion detection alarm device |
| CN202223652U (en) * | 2011-09-21 | 2012-05-23 | 上海市东方医院 | Infusion automatic alarm system |
| CN202478321U (en) * | 2012-01-10 | 2012-10-10 | 王建昊 | Automatic control alarm infusion device based on capacitance type sensor technology |
| CN203139260U (en) * | 2013-01-23 | 2013-08-21 | 深圳市发掘科技有限公司 | Infusion alarm device |
| CN103432645A (en) * | 2013-06-19 | 2013-12-11 | 浙江无限新能源股份有限公司 | Alarm for transfusion |
| CN103585690A (en) * | 2013-10-15 | 2014-02-19 | 医惠科技(苏州)有限公司 | Transfusion safety control system and device combination |
-
2015
- 2015-02-16 CN CN201510084251.7A patent/CN104606743A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5135485A (en) * | 1991-02-25 | 1992-08-04 | Louis Cohen | Capacitance-type fluid level sensor for i.v. and catheter bags |
| US5704923A (en) * | 1995-08-31 | 1998-01-06 | Chiu-Hsiung; Chiang | Liquid level detector and alarm device for drip infusion sets |
| CN201182791Y (en) * | 2007-12-18 | 2009-01-21 | 浙江理工大学 | Alarm of infusion ending |
| CN201418062Y (en) * | 2009-04-21 | 2010-03-03 | 中国人民解放军南京军区南京总医院 | Human body induction control device for volume of medical equipment |
| CN101991890A (en) * | 2010-11-24 | 2011-03-30 | 杭州师范大学 | Radio transfusion detection alarm device |
| CN202223652U (en) * | 2011-09-21 | 2012-05-23 | 上海市东方医院 | Infusion automatic alarm system |
| CN202478321U (en) * | 2012-01-10 | 2012-10-10 | 王建昊 | Automatic control alarm infusion device based on capacitance type sensor technology |
| CN203139260U (en) * | 2013-01-23 | 2013-08-21 | 深圳市发掘科技有限公司 | Infusion alarm device |
| CN103432645A (en) * | 2013-06-19 | 2013-12-11 | 浙江无限新能源股份有限公司 | Alarm for transfusion |
| CN103585690A (en) * | 2013-10-15 | 2014-02-19 | 医惠科技(苏州)有限公司 | Transfusion safety control system and device combination |
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Application publication date: 20150513 |