CN204484948U - A kind of high accuracy tramsfusion controller - Google Patents
A kind of high accuracy tramsfusion controller Download PDFInfo
- Publication number
- CN204484948U CN204484948U CN201520084626.5U CN201520084626U CN204484948U CN 204484948 U CN204484948 U CN 204484948U CN 201520084626 U CN201520084626 U CN 201520084626U CN 204484948 U CN204484948 U CN 204484948U
- Authority
- CN
- China
- Prior art keywords
- main controller
- voltage comparator
- resistance
- trigger
- power supply
- 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.)
- Expired - Fee Related
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
This utility model relates to medical treatment device technical field, especially a kind of high accuracy tramsfusion controller.It comprises main controller and drips fast detecting unit, drip fast detecting unit and comprise the first infrared tube, the first voltage comparator and trigger, the transmitting tube of the first infrared tube is connected with 5V power supply by the first resistance, the colelctor electrode of the receiving tube of the first infrared tube be directly connected with the in-phase end of the first voltage comparator and be connected with 5V power supply by the second resistance, emitter stage is connected by the end of oppisite phase of the first rheostat with the first voltage comparator, the outfan of the first voltage comparator is connected with the trigger input of trigger, and the outfan of trigger is connected with main controller.This utility model is connected by infrared tube, circuit between voltage comparator and trigger and drips fast hardware configuration for main controller provides accurate acquisition, and when practical application, can strict pid algorithm be set in main controller, make the error control of instrument in minima, ensure the accuracy controlled.
Description
Technical field
This utility model relates to medical treatment device technical field, especially a kind of high accuracy tramsfusion controller.
Background technology
Venous transfusion is one of conventional clinical treatment means of medical circle, because it has the advantages such as safe, convenient, evident in efficacy, is often adopted by most of sufferer.But for the difference of patient's own situation and the state of an illness, infusion model also can difference to some extent, and some particular patients ' needs to carry out strict control to titre.
At present, medical institutions of China are in clinical transfusion process, major part is the pulley by manual adjustment Mo Feishi dropper and the experience in conjunction with medical worker changes titre, carrys out unusual circumstance by the mode of manual patrol, and this infusion model not only precision is on the low side but also workload is also very large; Thus, the intelligent infusion device that some functions are comparatively complete also arises at the historic moment.But, but these device ubiquity errors are large, control accuracy is low, system structure is complicated, the problems such as expensive, cannot realize its application popularization.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide the high accuracy tramsfusion controller that a kind of system structure is simple, error is little, accuracy is high.
To achieve these goals, this utility model adopts following technical scheme:
A kind of high accuracy tramsfusion controller, it comprises main controller and to be connected with main controller and to a fast detecting unit of main controller output detections signal,
Described fast detecting unit comprises the first infrared tube, first voltage comparator and trigger, the positive pole of the transmitting tube of described first infrared tube is connected with 5V power supply by the first resistance, the colelctor electrode of the receiving tube of described first infrared tube is directly connected with the in-phase end of the first voltage comparator and is connected with 5V power supply by the second resistance, emitter stage is connected with the end of oppisite phase of the first voltage comparator by the first rheostat, described first rheostatic adjustable side is connected with 5V power supply by the 3rd resistance, the described outfan of the first voltage comparator is connected with the trigger input of trigger, the outfan of described trigger is connected with main controller.
Preferably, described trigger is NE555 type monostable flipflop, and described main controller comprises a MSP430 series monolithic.
Preferably, it also comprises and to be connected with main controller and to the Level Detection unit of main controller output detections signal;
Described Level Detection unit comprises the second infrared tube and the second voltage comparator, the positive pole of the transmitting tube of described second infrared tube connects 5V power supply by the 4th resistance, the colelctor electrode of the receiving tube of described second infrared tube be directly connected with the in-phase end of the second voltage comparator and be connected with 5V power supply by the 5th resistance, emitter stage is connected by the end of oppisite phase of the second rheostat with the second voltage comparator, described second rheostatic adjustable side is connected with 5V power supply by the 6th resistance, and the outfan of described second voltage comparator is connected with main controller.
Preferably, it also comprises and to be connected with main controller and to the body temperature detecting unit of main controller output detections signal;
Described body temperature detecting unit comprises OTP-538 type thermopile sensor and INA114AG type instrument amplifier, second pin of described thermopile sensor is connected 5V power supply respectively by the 7th resistance with the 8th resistance with the 4th pin, first pin of described thermopile sensor and the 3rd pin are respectively with the IN+ pin of instrument amplifier with IN-pin is corresponding is connected, and the output pin of described instrument amplifier is connected with main controller.
Owing to have employed such scheme, this utility model is connected by infrared tube, circuit between voltage comparator and trigger and drips fast hardware configuration for main controller provides accurate acquisition, and when practical application, can strict pid algorithm be set in main controller, make the error control of instrument in minima, ensure the accuracy controlled; Its system structure is simple, error is little, has very strong practical value.
Accompanying drawing explanation
Fig. 1 is the system principle diagram of this utility model embodiment;
Fig. 2 is the circuit structure diagram dripping fast detecting unit of this utility model embodiment;
Fig. 3 is the circuit structure diagram of the Level Detection unit of this utility model embodiment;
Fig. 4 is the circuit structure diagram of the body temperature detecting unit of this utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that this utility model can be defined by the claims and cover is implemented.
As shown in Figures 1 to 4, the high accuracy tramsfusion controller of the present embodiment, it comprise form primarily of MSP430 series monolithic main controller 1, be controlled by main controller 1 and by motor 2 control drop flow velocity electric-motor drive unit 3, for the power supply 4 of being powered to each component units by main controller 1 and be connected with main controller 1 and drip fast detecting unit 5 to the fast output detections signal of main controller 1, wherein, drip fast detecting unit 5 and comprise the first infrared tube U1, first voltage comparator A1 and trigger Q (the preferred trigger Q of the present embodiment is NE555 type monostable flipflop), the positive pole of the transmitting tube of the first infrared tube U1 is connected with 5V power supply by the first resistance R1, the colelctor electrode of the receiving tube of the first infrared tube U1 is directly connected with the in-phase end of the first voltage comparator A1 and is connected with 5V power supply by the second resistance R2, emitter stage is connected with the end of oppisite phase of the first voltage comparator A1 by the first rheostat Rt1, the adjustable side of the first rheostat Rt1 is connected with 5V power supply by the 3rd resistance R3, the outfan of the first voltage comparator A1 is connected with the trigger input of trigger Q, the outfan of trigger Q is connected with main controller 1.
So, by arrange infrared tube and utilize Transmission light principle, when dripless is dripped, free of obstacles is between the receiving tube of the first infrared tube U1 and transmitting tube, receiving tube receives stronger light intensity and conducting, makes it collect, the current potential of radio pole is very low, thus output low level; When there being drips, receiving tube cannot conducting, thus exports high level; And when the in-phase end voltage of the first voltage comparator A1 is higher than end of oppisite phase threshold voltage, it exports high level, on the contrary output low level; Trigger Q is sent in main controller 1 after then the voltage that the first voltage comparator A1 exports can being carried out shaping and carries out data acquisition calculating, and then can obtain dripping speed; Can be main controller 1 by said structure and the hardware configuration gathering and drip speed is provided, and when practical application, strict pid algorithm can be set in main controller 1, make the error control of instrument in minima, ensure the accuracy controlled.
Further, for ensureing to carry out Real-Time Monitoring to the liquid level of liquid containing bottle, accurately control to utilize main controller 1 pair of relevant components unit, the controller of the present embodiment also comprises and to be connected with main controller 1 and to export the Level Detection unit 6 of Level Detection signal to main controller 1, because Level Detection does not need accurate counting, just acquisition pulse edge transition situation, for the structure of simplified system to greatest extent, the Level Detection unit 6 of the present embodiment can adopt the circuit structure close with dripping fast detecting unit 5, that is: it comprises the second infrared tube U2 and the second voltage comparator A2, the positive pole of the transmitting tube of the second infrared tube U2 connects 5V power supply by the 4th resistance R4, the colelctor electrode of the receiving tube of the second infrared tube U2 is directly connected with the in-phase end of the second voltage comparator A2 and is connected with 5V power supply by the 5th resistance R5, emitter stage is connected with the end of oppisite phase of the second voltage comparator A2 by the second rheostat Rt2, the adjustable side of the second rheostat Rt2 is connected with 5V power supply by the 6th resistance R6, the outfan of the second voltage comparator A2 is connected with main controller 1.So, on the liquid containing bottle that the second infrared tube U2 can be fixed on, to detect in real time the liquid level of liquid containing bottle.
In addition, the function of the controller of horn of plenty the present embodiment, the controller of the present embodiment also comprises and to be connected with main controller 1 and to the body temperature detecting unit 7 of main controller 1 output detections signal, it comprises OTP-538 type thermopile sensor U3 and INA114AG type instrument amplifier U4; Wherein, second pin of thermopile sensor U3 is connected 5V power supply respectively by the 7th resistance R7 with the 8th resistance R8 with the 4th pin, first pin of thermopile sensor U3 and the 3rd pin are respectively with the IN+ pin of instrument amplifier U4 with IN-pin is corresponding is connected, and the output pin of instrument amplifier U4 is connected with main controller.So, the body temperature of position, the side measurement device oneself on instrument can be used at any time in patient infusion process, and effectively can be ensured the accuracy of measurement of bldy temperature by the setting of thermopile sensor U3 and instrument amplifier U4, and ensure that communication good between whole unit with main controller 1, data etc. are connected.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize this utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a high accuracy tramsfusion controller, it comprise main controller and be connected with main controller and to main controller output detections signal drip fast detecting unit, it is characterized in that:
Described fast detecting unit comprises the first infrared tube, first voltage comparator and trigger, the positive pole of the transmitting tube of described first infrared tube is connected with 5V power supply by the first resistance, the colelctor electrode of the receiving tube of described first infrared tube is directly connected with the in-phase end of the first voltage comparator and is connected with 5V power supply by the second resistance, emitter stage is connected with the end of oppisite phase of the first voltage comparator by the first rheostat, described first rheostatic adjustable side is connected with 5V power supply by the 3rd resistance, the described outfan of the first voltage comparator is connected with the trigger input of trigger, the outfan of described trigger is connected with main controller.
2. a kind of high accuracy tramsfusion controller as claimed in claim 1, is characterized in that: described trigger is NE555 type monostable flipflop, and described main controller comprises a MSP430 series monolithic.
3. a kind of high accuracy tramsfusion controller as claimed in claim 2, is characterized in that: it also comprises and to be connected with main controller and to the Level Detection unit of main controller output detections signal;
Described Level Detection unit comprises the second infrared tube and the second voltage comparator, the positive pole of the transmitting tube of described second infrared tube connects 5V power supply by the 4th resistance, the colelctor electrode of the receiving tube of described second infrared tube be directly connected with the in-phase end of the second voltage comparator and be connected with 5V power supply by the 5th resistance, emitter stage is connected by the end of oppisite phase of the second rheostat with the second voltage comparator, described second rheostatic adjustable side is connected with 5V power supply by the 6th resistance, and the outfan of described second voltage comparator is connected with main controller.
4. a kind of high accuracy tramsfusion controller as claimed in claim 2, is characterized in that: it also comprises and to be connected with main controller and to the body temperature detecting unit of main controller output detections signal;
Described body temperature detecting unit comprises 0TP-538 type thermopile sensor and INA114AG type instrument amplifier, second pin of described thermopile sensor is connected 5V power supply respectively by the 7th resistance with the 8th resistance with the 4th pin, first pin of described thermopile sensor and the 3rd pin are respectively with the IN+ pin of instrument amplifier with IN-pin is corresponding is connected, and the output pin of described instrument amplifier is connected with main controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084626.5U CN204484948U (en) | 2015-02-02 | 2015-02-02 | A kind of high accuracy tramsfusion controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084626.5U CN204484948U (en) | 2015-02-02 | 2015-02-02 | A kind of high accuracy tramsfusion controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204484948U true CN204484948U (en) | 2015-07-22 |
Family
ID=53564245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520084626.5U Expired - Fee Related CN204484948U (en) | 2015-02-02 | 2015-02-02 | A kind of high accuracy tramsfusion controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204484948U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413012A (en) * | 2015-12-23 | 2016-03-23 | 桂林电子科技大学信息科技学院 | Portable intelligent infusion system |
| CN106139317A (en) * | 2016-06-24 | 2016-11-23 | 郭润峰 | A kind of intelligent transfusion control system |
| CN110879092A (en) * | 2019-11-29 | 2020-03-13 | 安徽江淮汽车集团股份有限公司 | Liquid level monitoring circuit |
-
2015
- 2015-02-02 CN CN201520084626.5U patent/CN204484948U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413012A (en) * | 2015-12-23 | 2016-03-23 | 桂林电子科技大学信息科技学院 | Portable intelligent infusion system |
| CN106139317A (en) * | 2016-06-24 | 2016-11-23 | 郭润峰 | A kind of intelligent transfusion control system |
| CN110879092A (en) * | 2019-11-29 | 2020-03-13 | 安徽江淮汽车集团股份有限公司 | Liquid level monitoring circuit |
| CN110879092B (en) * | 2019-11-29 | 2020-12-01 | 安徽江淮汽车集团股份有限公司 | Liquid level monitoring circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204484948U (en) | A kind of high accuracy tramsfusion controller | |
| CN109621086B (en) | Portable medical place patient intelligent monitoring system | |
| CN105536105A (en) | Infusion set monitoring system and monitoring method | |
| CN108525072A (en) | A kind of transfusion monitoring device | |
| CN203492673U (en) | Intelligent shutoff noodle maker | |
| CN201959345U (en) | Intelligent infusion controller | |
| CN204932467U (en) | A kind of infusion alarm | |
| CN203303153U (en) | Newborn monitoring and caring bed capable of realizing man-computer data exchange and database management | |
| CN204637168U (en) | A kind of medical infusion speed testing controlling system | |
| CN202437097U (en) | Medical temperature tester | |
| CN205339349U (en) | A autonomic tracker for intelligent wheelchair | |
| CN202342593U (en) | Intelligent infusion monitoring device | |
| CN204636344U (en) | A kind of remote heart rate monitor device based on Zigbee | |
| CN204215226U (en) | A kind of rotary inverted pendulum surely puts controller | |
| CN107617139A (en) | A kind of high-precision tramsfusion controller | |
| CN202446581U (en) | Automatic control device for dropping speed and physic liquor temperature of venous transfusion | |
| CN204468887U (en) | A kind of portable infrared transfusion drip speed measuring instrument | |
| CN203342140U (en) | Transfusion protecting device | |
| CN104491954A (en) | Intelligent control system capable of reflecting injection remaining time of medical infusion apparatus | |
| Wen | Design of medical infusion monitor and protection system based on wireless communication technology | |
| CN203408303U (en) | Real-time wireless detecting and monitoring device for constant-temperature transfusion | |
| CN209332038U (en) | Low-power consumption milk cow health monitoring device | |
| CN209564452U (en) | Multifunctional nurse pocket watch | |
| CN203736284U (en) | Therapy instrument for infertility | |
| CN111012971A (en) | Surgical drip injection protection nursing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20160202 |