CN213698331U

CN213698331U - Infusion alarm

Info

Publication number: CN213698331U
Application number: CN202021529823.0U
Authority: CN
Inventors: 石振华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-07-16
Anticipated expiration: 2030-07-27

Abstract

The utility model provides an infusion alarm, include: the device comprises a PCB, a controller arranged on the PCB, a power supply loop electrically connected with a power supply input end of the controller, an indication loop electrically connected with the input end of the controller, a capacitor plate electrically connected with the input end of the controller, and an alarm loop electrically connected with the output end of the controller; the capacitor plate is provided with a clamping groove for clamping the infusion tube, and the capacitor plate is used for generating different capacitance values to the input end of the controller according to whether liquid flows through the clamping groove or not. Solves the problems that the prior transfusion monitoring equipment is easy to report error and missing and has complex structure and inconvenient use.

Description

Infusion alarm

Technical Field

The utility model relates to an infusion alarm field, in particular to an infusion alarm.

Background

The in-process at the infusion of patient in hospital, patient are often in the sleep state, and then need a medical personnel or the nurse of nurse infusion, and this can occupy a large amount of medical resources, and some detect the alarm at current infusion are based on infrared optical detection, detect through the refraction difference of liquid to optical refraction and air light, and the rest detects based on weight, judges whether have remaining medicine in the bottle through the remaining weight of real-time detection medicine bottle.

The defects detected by optical inspection were: the colors of the medicines are various, the medicines with different colors have different light penetration, and are easily interfered by ambient light to generate the phenomena of false report and missing report,

the defects detected by weighing were: the weight of the medicine and the weight of the appliance are not uniform, the weighing detection relates to a large volume, the use place is easy to be limited, the medicine can be used only by matching with a special installation structure, and the weighing detection is not flexible,

in view of this, the present application is presented.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an infusion alarm aims at solving the inconvenient problem of error reporting, missed reporting and complicated structure of the current infusion monitoring equipment.

The embodiment of the utility model provides an infusion alarm, include: the device comprises a PCB, a controller arranged on the PCB, a power supply loop electrically connected with a power supply input end of the controller, an indication loop electrically connected with the input end of the controller, a capacitor plate electrically connected with the input end of the controller, and an alarm loop electrically connected with the output end of the controller; wherein the content of the first and second substances,

the capacitor plate is provided with a clamping groove for clamping the infusion tube, and the capacitor plate is used for generating different capacitance values to the input end of the controller according to whether liquid flows through the clamping groove.

Preferably, the power supply circuit comprises a power supply and a filter capacitor;

the positive pole and the negative pole of the power supply are respectively arranged at the first end and the second end of the filter capacitor, the first end of the filter capacitor is electrically connected with the power supply input end of the controller, and the second end of the filter capacitor is grounded.

Preferably, the alarm circuit comprises a first resistor, a first LED indicator light;

the anode of the first LED indicator lamp is electrically connected with the anode of the power supply, and the cathode of the first LED is electrically connected with the input end of the controller through the first resistor.

Preferably, the alarm circuit further comprises a buzzer;

the first end of the buzzer is electrically connected with the positive electrode of the power supply, and the second end of the buzzer is electrically connected with the output end of the controller.

Preferably, the indicating circuit comprises a second resistor, a second LED indicating lamp and a button;

the positive electrode of the second LED indicator lamp is electrically connected with the positive electrode of the power supply, the negative electrode of the second LED indicator lamp is electrically connected with the first end of the second resistor, and the second end of the second resistor is electrically connected with the negative electrode of the power supply through the button.

Preferably, the first end of the capacitor plate is electrically connected to the second end of the second resistor, and the second end of the capacitor plate is electrically connected to the input end of the controller.

Preferably, the chip model of the controller is BS83A 02A-4.

Preferably, the PCB is painted with three-proofing paint.

Based on the utility model provides a pair of infusion alarm, on the draw-in groove joint transfer line through the electric capacity polar plate, when having the contact of liquid flow through the draw-in groove, the contact electric capacity of draw-in groove department can change, when the input of controller detects the change, for example, from having liquid to having no liquid to flow through the contact change in-process, the controller judges that the infusion is accomplished, the output signal of telecommunication extremely alarm circuit for alarm circuit begins to report to the police and reminds the medical personnel of periphery in time to handle this condition, and effectual patient of having solved is at the infusion in-process, occupies the problem of medical treatment, has solved the problem that can appear reporting to the mistake of current infusion alarm simultaneously to and the complicated problem that gets up inconvenient of use of structure.

Drawings

Fig. 1 is a schematic diagram of a circuit structure of an infusion alarm provided by the utility model;

fig. 2 is a schematic diagram of a capacitor substrate structure of an infusion alarm provided by the utility model.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

The utility model discloses an infusion alarm aims at solving the inconvenient problem of the infusion monitoring equipment that reports error, fails to report and the structure is complicated to use.

Referring to fig. 1 and 2, an embodiment of the present invention provides an infusion alarm, including: the device comprises a PCB, a controller U1 arranged on the PCB, a power supply loop 2 electrically connected with a power supply input end of the controller U1, an indication loop 1 electrically connected with an input end of the controller U1, a capacitor plate 3 electrically connected with an input end of the controller U1, and an alarm loop electrically connected with an output end of the controller U1; wherein the content of the first and second substances,

the capacitor plate 3 is provided with a clamping groove 31 for clamping the infusion tube, and the capacitor plate 3 is used for generating different capacitance values to the input end of the controller U1 according to whether liquid flows through the clamping groove 31.

It should be noted that, in the existing infusion alarm, the liquid is mostly adopted to detect the difference between the optical refraction and the air light refraction, and the penetration of the drugs with different colors to the light is different, and the drugs are easily interfered by the ambient light, and the phenomena of false alarm and false alarm are generated. Or whether the medicine is left in the bottle is judged by detecting the left weight of the medicine bottle in real time, wherein the weight of the medicine and the weight of the appliance are not uniform, and the use is easy to be limited.

In this embodiment, the infusion tube is clamped by the clamping groove 31 of the capacitor plate 3, when there is a liquid flowing through the contact of the clamping groove 31, the contact capacitance at the clamping groove 31 changes, and when the input end of the controller U1 detects the change, the contact capacitance at the clamping groove 31 changes, it can be understood that, when there is a liquid flowing through the infusion tube and when there is no liquid flowing through the infusion tube, the capacitance at the contact is different, and the electrical signal output to the output end of the controller U1 is different, for example, when there is a liquid flowing through the clamping groove 31, a high level is output to the input end of the controller U1, when there is no liquid flowing through the clamping groove 31, a low level is output to the input end of the controller U1, and in the process of changing from the high level to the low level, the controller U1 judges that the infusion is completed and outputs an electrical signal to the alarm circuit, and the alarm loop gives an alarm to remind surrounding medical personnel to process the condition in time.

In this embodiment, the power supply loop 2 includes a power supply, a filter capacitor C1;

the positive pole and the negative pole of the power supply are respectively arranged at the first end and the second end of the filter capacitor C1, the first end of the filter capacitor C1 is electrically connected with the power supply input end of the controller U1, and the second end of the filter capacitor C1 is grounded.

It should be noted that, the filter capacitor C1 is used for filtering noise before supplying power to the controller U1 of the power supply, so as to avoid the situation that the controller U1 is teased, and of course, in other embodiments, the filter capacitor C1 may also be used for filtering in other manners, which is not specifically limited herein, but these aspects are all within the protection scope of the present invention.

In the present embodiment, the alarm loop includes a first resistor R1, a first LED indicator light D1;

wherein the anode of the first LED indicator lamp D1 is electrically connected with the anode of the power supply, and the cathode of the first LED is electrically connected with the input end of the controller U1 through the first resistor R1.

It should be noted that when the liquid flow in the infusion tube at the neck 31 changes to no liquid flow, the first LED indicator D1 starts to flash red, and certainly, the first LED indicator D1 may also flash red and bright, which is not limited herein, but these schemes are all within the scope of the present invention.

In this embodiment, the alarm circuit further comprises a buzzer LS 1;

wherein a first end of the buzzer LS1 is electrically connected with the positive electrode of the power supply, and a second end of the buzzer LS1 is electrically connected with the output end of the controller U1.

It should be noted that, when there is a change from the liquid flowing through the liquid conveying tube at the clamp groove 31 to no liquid flowing through, the controller U1 controls the buzzer LS1 to emit a sound similar to "drip" to remind the surrounding medical staff to deal with the situation.

In this embodiment, the indication circuit 1 includes a second resistor, a second LED indicator and a button;

It should be noted that, after the infusion alarm was powered on, the system can get into the sleep state, works as the button, the infusion alarm can get into normal operating condition, the second LED pilot lamp begins to carry out blue scintillation, again with the transfer line card in the draw-in groove 31 of capacitance polar plate 3, when the liquid in the transfer line from having to not changing, the product is interrupted and is sent and drips the sound to red pilot lamp scintillation, when having water again, blue pilot lamp scintillation.

In this embodiment, the first end of the capacitor plate 3 is electrically connected to the second end of the second resistor, and the second end of the capacitor plate 3 is electrically connected to the input end of the controller U1.

It should be noted that, the capacitance at the slot 31 of the capacitor plate 3 may be changed according to whether there is liquid passing, and the controller U1 may determine whether infusion is completed according to the change, in other embodiments, the controller U1 may further be connected to a wireless module, and be used to communicate with a terminal, transmit a signal of completion of infusion to a terminal of a hospital, for example, a nurse station on a current floor, and remind a medical staff to handle the situation.

In this embodiment, the chip type of the controller U1 may be BS83a 02A-4.

It should be noted that, in other embodiments, the chip type of the controller U1 may also be other types, which is not specifically limited herein, but these solutions are all within the protection scope of the present invention.

In this embodiment, the PCB is painted with three-proofing paint.

It should be noted that the wiring position on the PCB board is painted with the three-proofing paint, so that the short circuit of devices on the PCB board or the faults caused by corrosion due to the fact that liquid permeates into the infusion alarm in the using process can be avoided.

Based on the utility model provides a pair of infusion alarm, on the draw-in groove 31 joint transfer line through capacitive pole plate 3, when having the contact of liquid flow through draw-in groove 31, the contact electric capacity of draw-in groove 31 department can change, when controller U1's input detected the change, for example, from having liquid to having no liquid flow through the contact change in-process, controller U1 judged that the infusion was accomplished, the output signal of telecommunication extremely warning loop for warning loop begins to report to the police and reminds the medical personnel of periphery in time to handle this condition, and the effectual patient of having solved is at the infusion in-process, occupies the problem of medical treatment, has solved the problem that can appear reporting the mistake of current infusion alarm simultaneously to and the complicated problem that gets up inconvenience of using of structure.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.

Claims

1. An infusion alarm, comprising: the device comprises a PCB, a controller arranged on the PCB, a power supply loop electrically connected with a power supply input end of the controller, an indication loop electrically connected with the input end of the controller, a capacitor plate electrically connected with the input end of the controller, and an alarm loop electrically connected with the output end of the controller; wherein the content of the first and second substances,

2. An infusion alarm according to claim 1, wherein the power circuit comprises a power supply, a filter capacitor;

3. An infusion alarm according to claim 1, wherein the alarm circuit comprises a first resistor, a first LED indicator;

4. An infusion alarm according to claim 3, wherein the alarm circuit further comprises a buzzer;

5. The infusion alarm of claim 1, wherein the indicator circuit comprises a second resistor, a second LED indicator light and a button;

6. An infusion alarm according to claim 5, wherein a first end of the capacitor plate is electrically connected to a second end of the second resistor, and a second end of the capacitor plate is electrically connected to an input of the controller.

7. An infusion alarm according to claim 1, wherein the controller has a chip model of BS83a 02A-4.

8. The infusion alarm device according to claim 1, wherein the PCB is painted with a three-proofing paint.