CN210301914U - Alarm device for transfusion system - Google Patents
Alarm device for transfusion system Download PDFInfo
- Publication number
- CN210301914U CN210301914U CN201920471989.2U CN201920471989U CN210301914U CN 210301914 U CN210301914 U CN 210301914U CN 201920471989 U CN201920471989 U CN 201920471989U CN 210301914 U CN210301914 U CN 210301914U
- Authority
- CN
- China
- Prior art keywords
- module
- infusion
- alarm device
- control unit
- temperature
- 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.)
- Active
Links
Images
Abstract
An infusion apparatus alarm device comprises a control unit, a dropping speed detection module, a dropping speed control module, a temperature detection and heating module and an alarm module; the control unit is respectively connected with the dripping speed detection module, the liquid quantity detection module, the dripping speed control module, the temperature detection and heating module and the alarm module; the dropping speed detection module is correspondingly arranged at the position of the Murphy's dropper in the infusion pipeline; the dropping speed control module is arranged corresponding to the infusion tube and presses the infusion tube to deform so as to change the flow speed of liquid in the infusion tube; the temperature detection and heating module heats and maintains the temperature of liquid in the infusion pipeline; the alarm module comprises a sound alarm device and a luminous alarm device, and is controlled by the control unit to work. The utility model discloses the speed of dripping, the temperature situation of automatic monitoring infusion need not nursing staff and regularly patrols, have greatly alleviateed nursing staff's work burden, have liberated the manpower, have also improved infusion treatment simultaneously.
Description
Technical Field
The utility model relates to the field of medical equipment, specifically speaking relates to an infusion apparatus alarm device.
Background
In clinical medicine, although intravenous infusion is widely applied, the infusion tool commonly used at present is still the traditional infusion set of maofield and mainly adopts manual monitoring. When in transfusion, a transfusion bottle (bag) needs to be hung on a transfusion frame or higher than a puncture position of a patient, liquid medicine is input into the body of the patient by utilizing potential difference, a nurse observes liquid drops in the Murphy's dropper by naked eyes and estimates the transfusion dropping speed, and the transfusion speed is controlled by manually adjusting a pulley on the transfusion device according to experience. The nurse needs to continuously patrol and examine in the infusion process, the patient or the accompanying personnel observe the residual liquid medicine amount, and when the liquid medicine is about to be infused completely or the dripping speed is abnormal, the nurse on duty is informed to carry out treatment. Therefore, the labor intensity of medical staff is increased, the error rate is greatly increased, the rest of a patient is not facilitated, and the treatment quality is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide an alarm device for an infusion apparatus, which overcomes the defects in the prior art.
In order to achieve the purpose, the utility model provides an infusion apparatus alarm device, which comprises a control unit, a dropping speed detection module, a dropping speed control module, a temperature detection and heating module and an alarm module; the control unit is respectively connected with the dripping speed detection module, the liquid quantity detection module, the dripping speed control module, the temperature detection and heating module and the alarm module; the dropping speed detection module is correspondingly arranged at the position of the Murphy's dropper in the infusion pipeline, the dropping speed detection module comprises a dropping speed sampler, a voltage comparator and a rectangular wave generator which are sequentially connected, the rectangular wave generator is connected with the control unit, the dropping speed sampler is an infrared photoelectric geminate transistor, and an emitting part and a receiving part of the infrared photoelectric geminate transistor are respectively arranged at two sides of the Murphy's dropper; the dropping speed control module is arranged corresponding to the infusion tube and presses the infusion tube to deform so as to change the flow speed of liquid in the infusion tube; the temperature detection and heating module heats and maintains the temperature of liquid in the infusion pipeline; the alarm module comprises a sound alarm device and a luminous alarm device, and is controlled by the control unit to work.
The utility model discloses can also adopt following technical measure:
the control unit is an MSP430F149 chip of Texas instruments.
The voltage comparator in the drop speed detection module is an LM393 chip of Texas instruments.
The rectangular wave generator is a HCF4047B chip of Italian semiconductor company.
The dripping speed control module comprises a stepping motor, an eccentric steering wheel and a baffle plate, the stepping motor is connected with the control unit and is controlled by the control unit to operate, the eccentric steering wheel is driven by the stepping motor to rotate, the infusion tube is arranged between the eccentric steering wheel and the baffle plate, the working surface of the eccentric steering wheel is a spiral curved surface, and the infusion tube is pressed by the working surface; the driver chip selected by the stepping motor is an L298 Motor driver chip of Italian semiconductor corporation.
The temperature detection and heating module comprises a temperature detection module and a heating module, the temperature detection module comprises a liquid temperature acquisition unit and a human body temperature acquisition unit, the heating module comprises a relay and a heating sheet, the temperature acquisition unit and the human body temperature acquisition unit are connected with a control unit, the control unit controls the relay to act, and the relay controls the heating sheet to work.
The dropping speed control module comprises a stepping motor, a screw rod, an extrusion block and a baffle plate, the stepping motor drives the extrusion block to move through the screw rod, the infusion tube is arranged between the extrusion block and the baffle plate, and the top end of the extrusion block presses the infusion tube; the driver chip selected by the stepping motor is an L298 Motor driver chip of Italian semiconductor corporation.
The alarm module comprises a buzzer and an alarm lamp.
The liquid quantity detection module is arranged corresponding to the warning position in the Murphy's dropper and is connected with the control unit, the liquid quantity detection module comprises infrared photoelectric geminate transistors, and the transmitting part and the receiving part of each infrared photoelectric geminate transistor are respectively and correspondingly arranged at the middle position of the Murphy's dropper.
The utility model discloses an infusion apparatus alarm device still includes: the shell forms the integral external structure of the transfusion device alarm device, and the internal space is provided for accommodating each element; the groove is arranged on the front surface of the shell, the infusion tube passes through the groove in a routing way, and the Murphy's dropper is placed in the groove; the dripping speed detection module is arranged at a position corresponding to the Murphy's dropper in the groove; the dripping speed control module is arranged at one side of the groove and presses the infusion tube; the temperature detection and heating module is correspondingly arranged at the position of the groove; the sound alarm device and the light-emitting alarm device alarm module are arranged in the shell.
The utility model discloses following beneficial effect has:
the utility model discloses an infusion apparatus alarm device, the speed of dropping in the murphy's dropper of dropping speed detection module detection and with the signal transmission who gathers to the control unit MSP430, the control unit control dropping speed control module oppresses the transfer line in order to change liquid flux, the temperature of temperature detection and heating module control liquid medicine; when the dripping speed is abnormal, the liquid temperature is abnormal or the liquid amount is insufficient, the alarm module gives out sound and light alarm to remind nursing staff to pay attention. The utility model discloses the speed of dripping, the temperature situation of automatic monitoring infusion need not nursing staff and regularly patrols, have greatly alleviateed nursing staff's work burden, have liberated the manpower, have also improved infusion treatment simultaneously.
Drawings
FIG. 1 is a schematic diagram of the alarm device of the infusion apparatus of the present invention;
FIG. 2 is a schematic diagram of pins of a control unit in the alarm device of the infusion apparatus of the present invention;
FIG. 3 is a circuit diagram of a dripping speed measuring module in the alarm device of the infusion apparatus of the present invention;
FIG. 4 is a schematic diagram of a control circuit of a stepping motor in the alarm device of the infusion apparatus of the present invention;
FIG. 5 is a schematic circuit diagram of a temperature acquisition unit in the alarm device of the infusion apparatus of the present invention;
FIG. 6 is a schematic circuit diagram of the relay and the heating plate of the infusion apparatus alarm device of the present invention;
FIG. 7 is a schematic circuit diagram of an alarm module in the alarm device of the infusion apparatus of the present invention;
FIG. 8 is a schematic view of the external structure of the alarm device of the infusion apparatus of the present invention;
FIG. 9 is a schematic structural view of a dripping speed control module in the alarm device of the infusion apparatus of the present invention;
fig. 10 is a schematic structural diagram of another dripping speed control module in the infusion apparatus alarm device of the present invention.
Detailed Description
In order to further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solution of the present invention and are not intended to limit the present invention.
The infusion apparatus alarm device comprises a control unit, a dropping speed detection module, a dropping speed control module, a temperature detection and heating module and an alarm module; the control unit is respectively connected with the dripping speed detection module, the liquid quantity detection module, the dripping speed control module, the temperature detection and heating module and the alarm module; the dropping speed detection module is correspondingly arranged at the position of the Murphy's dropper in the infusion pipeline, the dropping speed detection module comprises a dropping speed sampler, a voltage comparator and a rectangular wave generator which are sequentially connected, the rectangular wave generator is connected with the control unit, the dropping speed sampler is an infrared photoelectric geminate transistor, and an emitting part and a receiving part of the infrared photoelectric geminate transistor are respectively arranged at two sides of the Murphy's dropper; the dropping speed control module is arranged corresponding to the infusion tube and presses the infusion tube to deform so as to change the flow speed of liquid in the infusion tube; the temperature detection and heating module heats and maintains the temperature of liquid in the infusion pipeline; the alarm module comprises a sound alarm device and a luminous alarm device, and is controlled by the control unit to work.
The control unit was a texas instruments MSP430F149 chip, a 16-bit microprocessor with 6 sets of 48 definable I/O pins.
The voltage comparator in the drop rate detection module is an LM393 chip of Texas instruments and the rectangular wave generator is an HCF4047B chip of Italian semiconductor. The infrared photoelectric pair tubes can adopt IR204/PT202 infrared pair tubes of hundred million light companies, the transceiving wavelength between the infrared photoelectric pair tubes is 940nm, and when no liquid drops in the Murphy's tube between the infrared photoelectric pair tubes, the infrared ray with the wavelength of 940nm emitted by the IR204 enables the PT202 to be conducted, and the rectangular wave generator outputs high level. When liquid drops, due to the absorption and scattering effects of the liquid medicine on infrared rays, few infrared rays reach the PT202, the PT202 is cut off, and the rectangular wave generator outputs low level. Therefore, the rectangular wave generator outputs a falling edge every time when liquid drops, the control unit captures the falling edge, and the infusion speed can be calculated through the time interval between the two falling edges.
In one embodiment, the dripping speed control module comprises a stepping motor 7, an eccentric steering wheel 8 and a baffle, the stepping motor is connected with the control unit and is controlled by the control unit to operate, the eccentric steering wheel is driven to rotate by the stepping motor, an infusion tube 9 is arranged between the eccentric steering wheel and the baffle, the working surface of the eccentric steering wheel is a spiral curved surface, the infusion tube is pressed by the working surface, in the embodiment, the infusion tube passes through a groove in the shell, the baffle is the inner side wall of the groove, the flow area of liquid medicine in the infusion tube is changed by extruding the infusion tube, and the purpose of controlling the flow speed of the liquid medicine is achieved. The drive chip selected by the stepping motor is an L298 motor drive chip of Italian semiconductor company, and because the difference of working levels between the control unit and the stepping motor drive chip is large, an optocoupler PC817 of a hundred million light company can be connected between the control unit and the stepping motor drive chip for level conversion, and the control of the stepping motor adopts two-phase four-beat control. If A represents the electrification of the phase A, B represents the electrification of the phase B, a represents the outage of the phase A, and B represents the outage of the phase B, the electrification sequence of all the items is AB-Ab-AB-aB-AB in order to make the stepping motor rotate in the positive direction; if reversal is required, the sequence of energization is AB-aB-AB-Ab-AB.
The temperature detection and heating module comprises a temperature detection module and a heating module, the temperature detection module comprises a liquid temperature acquisition unit and a human body temperature acquisition unit, the heating module comprises a relay and a heating sheet, the liquid temperature acquisition unit and the human body temperature acquisition unit are respectively connected with the control unit, the control unit controls the action of the relay, and the relay controls the work of the heating sheet. The liquid temperature acquisition unit detects the transfusion temperature by connecting a negative temperature coefficient thermistor of 10k omega and a resistor of 10k omega in series. When the temperature of the liquid medicine to be detected changes, the resistance value of the thermistor also changes, so that the voltage input into the built-in 12-bit AD converter of the MSP430F149 changes, and the temperature of the liquid medicine to be detected can be obtained by converting AD conversion data. In order to prevent temperature detection data from being unstable due to external disturbance, a 0.1 muF ceramic chip resistor is connected in parallel to the thermistor, so that the stability of temperature reading can be effectively improved. In the embodiment, the PTC heating sheet is controlled by the relay to work so as to heat liquid in the infusion tube, and the relay cannot be directly driven due to the fact that the signal strength output by the MSP430 is small, so that the Darlington tube ULN2003 can be connected between the control unit and the relay. Similarly, can be the patient through human temperature acquisition unit to the human body and carry out the body temperature measurement, through the work of the heating module of the control unit control, can keep unanimous with infusion liquid temperature and human temperature to make the patient can obtain comparatively comfortable treatment when the infusion and experience.
In another embodiment, the dropping speed control module comprises a stepping motor 7, a screw rod 10, an extrusion block 11 and a baffle 12, the stepping motor drives the extrusion block to move through the screw rod, the infusion tube is arranged between the extrusion block and the baffle, in the embodiment, because the infusion tube passes through a groove on the shell, the extrusion block extends out from one side of the groove, the baffle is formed on the other side groove wall of the groove, no separate baffle is needed to be arranged to match with the extrusion block, the extrusion block and the groove wall of the groove jointly extrude the infusion tube 9, the screw rod is an output shaft of the stepping motor, the stepping motor drives the screw rod to rotate, the extrusion block is provided with internal threads, the internal threads of the extrusion block are matched with the external threads of the screw rod, the extrusion block moves axially along the screw rod under the driving of the stepping motor, the top end of the extrusion block presses the infusion tube, thereby, in order to ensure the consistency of the moving direction of the extrusion blocks, guide blocks 13 are respectively arranged at the two ends of the extrusion blocks. The driving chip selected for the stepping motor is the L298 motor driving chip of the ideological semiconductor corporation, and the control method of the stepping motor is the same as that in the above-mentioned embodiment.
The alarm module comprises a buzzer and an alarm lamp, an alarm circuit is shown in the figure, a sound alarm device is generated through the buzzer LS1, a light-emitting alarm device is used for emitting light through a light-emitting diode D1, and when the dripping speed, the temperature, the liquid amount and the like are in failure, the control unit sends an execution instruction to the alarm module to control the alarm module to give an alarm.
The liquid volume detection module is arranged corresponding to the position of the infusion bottle and is connected with the control unit, the liquid volume detection module comprises infrared photoelectric pair tubes, the transmitting part and the receiving part of each infrared photoelectric pair tube are respectively and correspondingly arranged at the positions of the warning lines set in the Murphy's dropper, and the middle position of the Murphy's dropper can be usually preset as the position of the warning line. The liquid volume detection module is similar to the circuit diagram of the drop speed detection module, the infrared photoelectric geminate transistor is connected with a voltage comparator, the rectangular wave generator is connected with the control unit, the voltage comparator is an LM393 chip of Texas instruments company, and the rectangular wave generator is an HCF4047B chip of Italian semiconductor company. The infrared photoelectric pair tubes can adopt IR204/PT202 infrared pair tubes of hundred million light companies, the receiving and sending wavelength between the infrared photoelectric pair tubes is 940nm, when the liquid level is above the warning line, PT202 is cut off, the rectangular wave generator outputs low level, when the liquid level falls below the warning line, PT202 is conducted, the rectangular wave generator outputs high level, the control unit receives the high level and can know that the liquid level in the Murphy's tube is low, thereby judging that the liquid level is low, and then sending a corresponding signal to the alarm module to remind nursing staff to replace or stop transfusion.
The utility model discloses an infusion apparatus alarm device still includes: the shell 1 forms the integral external structure of the transfusion device alarm device, and the internal space is provided for accommodating all elements; the groove 2 is arranged on the front surface of the shell, the infusion tube passes through the groove, the position of the groove corresponding to the Murphy's dropper is expanded to form a Murphy's dropper placing position 14, the Murphy's dropper is arranged in the Murphy's dropper placing position, and the Murphy's dropper placing position is suitable for various Murphy's droppers with different models; the dripping speed sampler 3 and the liquid quantity detection module 15 of the dripping speed detection module are arranged at the positions corresponding to the Murphy's dropper in the groove; the dripping speed control module 4 is arranged at one side of the groove and presses the infusion tube; the temperature detection and heating module is provided with a temperature acquisition unit 5 and a heating sheet 6 which are correspondingly arranged at the position of the groove; the sound alarm device and the light-emitting alarm device alarm module are arranged in the shell.
In addition, the functions of remote reminding and alarming can be further improved by adding a communication part on the basis of the embodiment.
It should be noted that the above mentioned embodiments and embodiments are intended to demonstrate the practical application of the technical solution provided by the present invention, and should not be interpreted as limiting the scope of the present invention. Various modifications, equivalent substitutions and improvements will occur to those skilled in the art and are intended to be within the spirit and scope of the present invention. The protection scope of the present invention is subject to the appended claims.
Claims (10)
1. An infusion apparatus alarm device is characterized by comprising a control unit, a dropping speed detection module, a dropping speed control module, a temperature detection and heating module and an alarm module; the control unit is respectively connected with the dripping speed detection module, the liquid quantity detection module, the dripping speed control module, the temperature detection and heating module and the alarm module; the dropping speed detection module is correspondingly arranged at the position of the Murphy's dropper in the infusion pipeline, the dropping speed detection module comprises a dropping speed sampler, a voltage comparator and a rectangular wave generator which are sequentially connected, the rectangular wave generator is connected with the control unit, the dropping speed sampler is an infrared photoelectric geminate transistor, and an emitting part and a receiving part of the infrared photoelectric geminate transistor are respectively arranged at two sides of the upper part of the Murphy's dropper; the dropping speed control module is arranged corresponding to the infusion tube and presses the infusion tube to deform so as to change the flow speed of liquid in the infusion tube; the temperature detection and heating module heats and maintains the temperature of liquid in the infusion pipeline; the alarm module comprises a sound alarm device and a luminous alarm device, and is controlled by the control unit to work.
2. The infusion set alarm device of claim 1, wherein the control unit is a texas instruments MSP430F149 chip.
3. The infusion set alarm device according to claim 2, wherein the voltage comparator in the drip speed detection module is a texas instruments LM393 chip.
4. The infusion set alarm device according to claim 3, wherein the rectangular wave generator is a HCF4047B chip from Italian semiconductor corporation.
5. The infusion apparatus alarm device according to claim 4, wherein the dripping speed control module comprises a stepping motor, an eccentric steering wheel and a baffle plate, the stepping motor is connected with the control unit and is controlled by the control unit to operate, the eccentric steering wheel is driven by the stepping motor to rotate, the infusion tube is arranged between the eccentric steering wheel and the baffle plate, the working surface of the eccentric steering wheel is a spiral curved surface, and the infusion tube is pressed by the working surface; the driver chip selected by the stepping motor is an L298 Motor driver chip of Italian semiconductor corporation.
6. The infusion set alarm device according to claim 3, wherein the temperature detecting and heating module comprises a temperature detecting module and a heating module, the temperature detecting module comprises a liquid temperature collecting unit and a human body temperature collecting unit, the heating module comprises a relay and a heating plate, the temperature collecting unit and the human body temperature collecting unit are connected with the control unit, the control unit controls the relay to act, and the relay controls the heating plate to work.
7. The infusion apparatus alarm device according to claim 4, wherein the dripping speed control module comprises a stepping motor, a screw rod, an extrusion block and a baffle plate, the stepping motor drives the extrusion block to move through the screw rod, the infusion tube is arranged between the extrusion block and the baffle plate, and the top end of the extrusion block presses the infusion tube; the driver chip selected by the stepping motor is an L298 Motor driver chip of Italian semiconductor corporation.
8. The infusion set alarm device according to claim 1 or 4, wherein the alarm module comprises a buzzer and an alarm lamp.
9. The infusion set alarm device according to claim 1, wherein a liquid amount detection module is provided corresponding to a warning position in the Murphy's dropper, the liquid amount detection module is connected with the control unit, the liquid amount detection module comprises infrared photoelectric pair tubes, and a transmitting part and a receiving part of the infrared photoelectric pair tubes are respectively and correspondingly provided at positions in the middle of the Murphy's dropper.
10. The infusion set alarm device according to claim 1, further comprising: the shell forms the integral external structure of the transfusion device alarm device, and the internal space is provided for accommodating each element; the groove is arranged on the front surface of the shell, the infusion tube passes through the groove in a routing way, and the Murphy's dropper is placed in the groove; the dripping speed detection module is arranged at a position corresponding to the Murphy's dropper in the groove; the dripping speed control module is arranged at one side of the groove and presses the infusion tube; the temperature detection and heating module is correspondingly arranged at the position of the groove; the sound alarm device and the light-emitting alarm device alarm module are arranged in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920471989.2U CN210301914U (en) | 2019-04-09 | 2019-04-09 | Alarm device for transfusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920471989.2U CN210301914U (en) | 2019-04-09 | 2019-04-09 | Alarm device for transfusion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210301914U true CN210301914U (en) | 2020-04-14 |
Family
ID=70135648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920471989.2U Active CN210301914U (en) | 2019-04-09 | 2019-04-09 | Alarm device for transfusion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210301914U (en) |
-
2019
- 2019-04-09 CN CN201920471989.2U patent/CN210301914U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100535811C (en) | System for monitoring and controlling medical transfusion speed based on machine vision | |
| CN201110955Y (en) | Medical infusion velocity monitoring and controlling device based on machine vision | |
| CN201154122Y (en) | Infra-red ray infusion monitoring apparatus | |
| CN103961762A (en) | Intelligent transfusion device and control method thereof | |
| CN202682470U (en) | Novel intelligent transfusion device | |
| CN105617483A (en) | Transfusion supervising device with automatic alarm function | |
| CN105641770A (en) | Intelligent infusion control system | |
| CN105582597A (en) | Infusion monitoring system having high safety | |
| CN205460147U (en) | Intelligent transfusion control system | |
| CN210301914U (en) | Alarm device for transfusion system | |
| CN103623482A (en) | Automatically monitored liquid dropping system and method | |
| CN215740912U (en) | Bladder irrigation device | |
| CN208301932U (en) | Intelligent intravenous transfusion device device | |
| CN109954183A (en) | Automatically control infusion and monitoring system | |
| CN205411836U (en) | Infusion dropping speed detection monitoring device | |
| CN104548254A (en) | Intelligent transfusion device with screw rod | |
| CN204910290U (en) | Intravenous injection combination external member | |
| CN110045147B (en) | Micro-flow detection method based on digital/analog double-parameter fusion | |
| CN209500440U (en) | Unattended drop monitoring device | |
| CN203408303U (en) | Real-time wireless detecting and monitoring device for constant-temperature transfusion | |
| CN112190787A (en) | Automatic liquid medicine bottle replacing device based on clamping type ultrasonic sensor | |
| CN112295041A (en) | Intelligent transfusion system | |
| CN207722178U (en) | A kind of constant temperature transfusion system monitoring system of adjusting dropping speed | |
| CN206792748U (en) | A kind of medical transfusion monitoring system | |
| CN205339745U (en) | Medical infusion reminding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |