CN112843385A - Wisdom transfusion bottle monitoring system - Google Patents

Wisdom transfusion bottle monitoring system Download PDF

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Publication number
CN112843385A
CN112843385A CN202011168937.1A CN202011168937A CN112843385A CN 112843385 A CN112843385 A CN 112843385A CN 202011168937 A CN202011168937 A CN 202011168937A CN 112843385 A CN112843385 A CN 112843385A
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module
monitoring
unit
alarm
height
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CN202011168937.1A
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CN112843385B (en
Inventor
周伯虎
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Shandong Chuangqi Cloud Computing Co ltd
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Shandong Chuangqi Cloud Computing Co ltd
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    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • 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
    • 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
    • A61M2205/3317—Electromagnetic, inductive or dielectric measuring means

Abstract

The invention relates to the technical field of intelligent monitoring, in particular to an intelligent infusion bottle monitoring system. The infusion bottle monitoring platform comprises a monitoring unit, a communication unit, a transmission unit and an alarm unit, wherein the monitoring unit is used for monitoring the height and the dripping speed of liquid in an infusion bottle in real time and sending monitored data to the transmission unit, the monitoring unit is used for sending data smaller than a height preset value and higher than a dripping speed preset value to the alarm unit, the communication unit is used for establishing communication for nodes of all units, the transmission unit is used for receiving the data sent by the monitoring unit, and the alarm unit is used for receiving an alarm signal sent by the monitoring unit and giving an alarm. According to the invention, through data transmission, system display and alarm, a nurse can immediately see the real-time infusion condition of each sickbed, so that the nurse can be helped to make a judgment in time.

Description

Wisdom transfusion bottle monitoring system
Technical Field
The invention relates to the technical field of intelligent monitoring, in particular to an intelligent infusion bottle monitoring system.
Background
A general transfusion bottle monitoring system comprises an electromagnetic force type weighing sensor, a ward bed display terminal, a transfusion bottle monitoring system (touch screen terminal), a PC operating system and an alarm device system, hardware data are transmitted through an OFTP protocol and are uniformly managed in a background system, but the common lever type electromagnetic force type weighing sensor is greatly influenced by gravity caused by liquid flowing in a transfusion pipe, and the monitoring numerical accuracy is low.
Disclosure of Invention
The present invention is directed to a smart transfusion bottle monitoring system, which solves the above problems in the prior art.
In order to achieve the purpose, the invention provides an intelligent transfusion bottle monitoring system which comprises a transfusion bottle monitoring platform, wherein the transfusion bottle monitoring platform comprises a monitoring unit, a communication unit, a transmission unit and an alarm unit; the monitoring unit is used for monitoring the height and the dropping speed of liquid in the infusion bottle in real time and sending monitored data to the transmission unit, and the monitoring unit is used for sending data smaller than a preset height value and higher than a preset dropping speed value to the alarm unit; the communication unit is used for establishing communication for the nodes of all units; the transmission unit is used for receiving the data sent by the monitoring unit; the alarm unit is used for receiving the alarm signal sent by the monitoring unit and giving an alarm;
the monitoring unit comprises a height monitoring module, a dripping speed monitoring module and a control module; the height monitoring module is used for controlling the electromagnetic force type weighing sensor to monitor the height of the residual liquid in the transfusion bottle and packaging the height value into a data packet, and the working principle of the electromagnetic force type weighing sensor is as follows:
when liquid is filled in the infusion bottle, one end of the bearing hook moves upwards, the photoelectric element detects a moving distance signal, the moving distance signal flows into the coil after being amplified to generate electromagnetic force, the bearing hook is restored to a balance state, and the current generating the electromagnetic balance force is subjected to digital conversion, so that the height of the liquid in the infusion bottle can be determined, the aim of high-precision measurement is fulfilled, and the influence of gravity on a measured value caused by the flow of the liquid in the infusion tube is reduced;
the dropping speed monitoring module is used for controlling the optical receiver to monitor the dropping speed of the liquid in the transfusion bottle and packaging the dropping speed value into a data packet; the control module is used for controlling the communication unit to send a data packet to the transmission unit and sending data smaller than a preset height value and higher than a preset dripping speed value to the alarm unit;
the communication unit comprises a network module and a protocol module; the network module is used for connecting the monitoring unit and the nodes between the monitoring units through a network; the protocol module is used for controlling each node to carry out information interaction through a network protocol;
the transmission unit comprises a wireless transmission module and a nurse terminal module; the wireless transmission module is used for transmitting the received monitoring data to the nurse terminal module: the nurse terminal module is used for receiving the data sent by the wireless transmission module and displaying the data through computer equipment;
the alarm unit comprises a height alarm module and a dripping speed alarm module; the height alarm module is used for receiving the alarm signal of the height monitoring module and converting a digital signal into an electric signal to enable a height signal lamp to flash; the dripping speed alarm module is used for receiving the alarm signal of the dripping speed monitoring module and converting the digital signal into an electric signal to enable the dripping speed signal lamp to flicker.
As a further improvement of the technical solution, the network in the network modules is a global wide area network, the global wide area network adopts a middleware technology to implement connection and application of data of each node, and displays a text in the data by a method of a hypertext markup language, the hypertext markup language includes a series of tags, the document format on the network can be unified by the tags, so that the dispersed Internet resources are connected into a logical whole, the text of the hypertext markup language is a descriptive text composed of hypertext markup language commands, the hypertext markup language commands are used for explaining characters and graphics of the monitoring data of the height monitoring module and the drip speed monitoring module, the characters and graphics of the monitoring data of the height monitoring module and the drip speed monitoring module are associated with the nurse terminal module by a hyperlink method, so as to connect information resources distributed at different positions in a random manner, the nurse accurately judges the transfusion bottle state of each sickbed by observing the monitoring data displayed by the computer, thereby being convenient for the nurse to timely process.
As a further improvement of the technical solution, the middleware technology is CGI, and the working steps thereof are as follows:
s1.1, a browser at a nurse terminal module global wide area network nurse terminal module side decodes a first part of the URL and is connected with a global wide area network server;
s1.2, the rest part of the URL is provided for a server by a global wide area network browser of the nurse terminal module;
s1.3, converting the URL into a path and a file name by the global wide area network server;
s1.4, the global wide area network server sends the hypertext markup language and other files forming the request page to a nurse terminal module, and the connection is automatically disconnected after the page content is transmitted;
s1.5, at a nurse terminal module end, prompting a user to act or input by a hypertext markup language script, and requesting a global wide area network server to establish a new connection by the nurse terminal module after the user responds;
s1.6, the global wide area network server transmits the information and other process variables to a CGI program appointed by a hypertext markup language in a form of URL;
s1.7, the CGI responds according to the input and transmits a response result to the global wide area network server;
and S1.8, the global wide area network server transmits the response data to the nurse terminal module, and the connection is closed after the response data is completed.
As a further improvement of the technical solution, an electromagnetic force calculation formula of the electromagnetic force type weighing sensor in the height monitoring module is as follows:
Figure BDA0002745781200000031
wherein μ is the vacuum permeability; s is the cross section of the magnetic circuit; kfIs the magnetic flux leakage coefficient; delta is the air gap length; n is the number of turns of the coil; i is current; f is electromagnetic force.
As a further improvement of the technical solution, the optical receiver in the drop velocity monitoring module adopts an APD optical detection method, and the optical signal amplification step is as follows:
s2.1, firstly, incident signal light generates an initial electron-hole pair in a photodiode;
s2.2, accelerating the electron-hole pair to move by an electric field generated by reverse bias voltage to obtain kinetic energy;
s2.3, the electron-hole pairs collide with neutral atoms after acquiring kinetic energy, so that electrons on a neutral atom valence band jump to a conducting band after acquiring energy, and secondary electron-hole pairs are generated;
and S2.4, under the action of an electric field of reverse bias voltage in S2.2, the secondary electron-hole pairs collide with surrounding neutral atoms to continuously generate new electron-hole pairs, so that the optical signals are amplified in the photodiode.
As a further improvement of the technical solution, the APD light detection method has the following multiplication factor calculation formula:
Figure BDA0002745781200000032
Figure BDA0002745781200000033
Figure BDA0002745781200000041
Figure BDA0002745781200000042
wherein M is a multiplication factor; i isMOutputting a photocurrent; i isPIs the initial photocurrent; alpha is alphaeIs the electron ionization rate; alpha is alphahIs the hole ionization rate; kAIs the ionization coefficient; v is a reverse bias voltage.
As a further improvement of the technical scheme, the protocol module adopts an OFTP protocol, and the verification steps are as follows:
s3.1, the server compares the login information of the client with the information stored in the server;
s3.2, after the identity authentication is passed, sending the login information to the client, and then authenticating the identity by the client;
and S3.3, exchanging data after the server side and the client side successfully verify the identities.
As a further improvement of the technical scheme, the alarm unit adopts a D/A converter to convert the digital signal into the electric signal.
As a further improvement of the present technical solution, the D/a converter adopts a decimation method to reduce the sampling rate, and the method steps are as follows:
s4.1, reserving the No. P sample point;
s4.2, removing the P-1 th sample point in the two sample points;
s4.3, setting the period adopted by the original discrete signal as T;
s4.4, combining S4.1-S4.3 to obtain a sampling rate calculation formula as follows:
Figure BDA0002745781200000043
as a further improvement of the present technical solution, a calculation formula of the discrete signal effective voltage in S4.3 is as follows:
Figure BDA0002745781200000044
wherein, Delta TmThe time interval of two adjacent sampling;
Figure BDA0002745781200000045
the square value of the voltage sampling instant of the m-1 time interval is taken; n is the number of sampling points in the first cycle.
Compared with the prior art, the invention has the beneficial effects that: through data transmission, system show and warning, make the nurse see the real-time infusion condition of every sick bed immediately to in time help the nurse to make the judgement, and produce the electromagnetic force, make the bearing hook resume to balanced state, carry out digital conversion to the electric current that produces the electromagnetic balance power, can confirm the height of inside liquid, thereby realize high accuracy measurement's purpose, reduce the influence of the gravity that liquid flow brought to the measured value in the transfer line.
Drawings
FIG. 1 is a schematic view of a transfusion bottle monitoring platform module of embodiment 1;
FIG. 2 is a schematic view of a monitoring unit module according to embodiment 1;
fig. 3 is a schematic view of a communication unit module of embodiment 1;
fig. 4 is a schematic diagram of a transmission unit module according to embodiment 1;
FIG. 5 is a schematic view of an alarm unit module according to embodiment 1;
FIG. 6 is a schematic circuit diagram of the height monitoring module according to embodiment 1;
fig. 7 is a schematic circuit diagram of the drop speed alarm module of embodiment 1.
The various reference numbers in the figures mean:
100. a transfusion bottle monitoring platform;
110. a monitoring unit; 111. a height monitoring module; 112. a dripping speed monitoring module; 113. a control module;
120. a communication unit; 121. a network module; 122. a protocol module;
130. a transmission unit; 131. a wireless transmission module; 132. a nurse terminal module;
140. an alarm unit; 141. a height alarm module; 142. and a dripping speed alarm module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
The invention provides an intelligent transfusion bottle monitoring system, please refer to fig. 1-7, which comprises a transfusion bottle monitoring platform 100, wherein the transfusion bottle monitoring platform 100 comprises a monitoring unit 110, a communication unit 120, a transmission unit 130 and an alarm unit 140; the monitoring unit 110 is used for monitoring the height and the dropping speed of the liquid in the hanging bottle in real time and sending the monitored data to the transmission unit 130, and the monitoring unit 110 is used for sending the data smaller than the preset height value and higher than the preset dropping speed value to the alarm unit 140; the communication unit 120 is configured to establish communication for nodes of respective units; the transmission unit 130 is used for receiving the data sent by the monitoring unit 110; the alarm unit 140 is configured to receive an alarm signal sent by the monitoring unit 110 and alarm;
the monitoring unit 110 includes a height monitoring module 111, a dropping speed monitoring module 112, and a control module 113; the height monitoring module 111 is used for controlling the electromagnetic weighing sensor to monitor the height of the residual liquid in the transfusion bottle and packaging the height value into a data packet, and the working principle of the electromagnetic weighing sensor is as follows:
when liquid is filled in the infusion bottle, one end of the bearing hook moves upwards, the photoelectric element detects a moving distance signal, the moving distance signal flows into the coil after being amplified to generate electromagnetic force, the bearing hook is restored to a balance state, and the current generating the electromagnetic balance force is subjected to digital conversion, so that the height of the liquid in the infusion bottle can be determined, the aim of high-precision measurement is fulfilled, and the influence of gravity on a measured value caused by the flow of the liquid in the infusion tube is reduced;
the dripping speed monitoring module 112 is used for controlling the optical receiver to monitor the dripping speed of the liquid in the transfusion bottle and packaging the dripping speed value into a data packet; the control module 113 is used for controlling the communication unit 120 to send the data packet to the transmission unit 130, and sending the data smaller than the preset height value and higher than the preset dripping speed value to the alarm unit 140;
the communication unit 120 includes a network module 121 and a protocol module 122; the network module 121 is configured to connect the monitoring unit 110 and nodes between the monitoring units 110 through a network; the protocol module 122 is used for controlling each node to perform information interaction through a network protocol, the network adopts a layered architecture, each layer is established on a lower layer of the network and provides certain services for an upper layer of the network, the rule that the nth layer on one device communicates with the nth layer on the other device is the nth layer network protocol, and the protocols of the same layer of the receiving party and the sending party are required to be consistent, otherwise, one party cannot identify the information sent by the other party;
the transmission unit 130 includes a wireless transmission module 131 and a nurse terminal module 132; the wireless transmission module 131 is configured to transmit the received monitoring data to the nurse terminal module 132; the nurse terminal module 132 is used for receiving the data sent by the wireless transmission module 131 and displaying the data through computer equipment;
the alarm unit 140 includes a height alarm module 141 and a dripping speed alarm module 142; the height alarm module 141 is used for receiving the alarm signal of the height monitoring module 111 and converting the digital signal into an electric signal to enable the height signal lamp to flash; the dripping speed alarm module 142 is used for receiving the alarm signal of the dripping speed monitoring module 112 and converting the digital signal into an electric signal to enable the dripping speed signal lamp to flash.
In this embodiment, the network in the network module 121 is a global wide area network, the global wide area network uses a middleware technology to implement connection and application of data of each node, and displays a text in the data by a hypertext markup language method, the hypertext markup language includes a series of tags, the document format on the network can be unified by the tags, so that the dispersed Internet resources are connected into a logical whole, and the text of the hypertext markup language is a descriptive text composed of hypertext markup language commands, the hypertext markup language commands are used for explaining the characters and graphics of the data monitored by the height monitoring module 111 and the drop rate monitoring module 112, and the characters and graphics of the data monitored by the height monitoring module 111 and the drop rate monitoring module 112 are associated with the nurse terminal module 132 by a hyperlink method, so as to connect information resources distributed at different positions in a random manner, the nurse accurately judges the transfusion bottle state of each sickbed by observing the monitoring data displayed by the computer, thereby being convenient for the nurse to timely process.
Further, the middleware technology is CGI, the CGI interacts with a browser, and communicates with external data sources such as a database server through data monitored by the height monitoring module 111 and the drop rate monitoring module 112, acquires data from the database server, formats the data into a hypertext markup language document, and sends the document to the browser, and simultaneously puts the data acquired from the browser into the database, it is worth to say that the standard CGI represents a detailed request of the server using command line parameters or environment variables, the server communicates with the browser in a standard input and output manner, the indirect CGI is also called as buffer CGI, a buffer program is inserted between the CGI program and the CGI interface, the buffer program communicates with the CGI interface using standard input and output, and the working steps are as follows:
s1.1, a browser at the global wide area network nurse terminal module 132 end of the nurse terminal module 132 decodes a first part of the URL and is connected with a global wide area network server;
s1.2, the rest part of the URL is provided to a server by the global wide area network browser of the nurse terminal module 132;
s1.3, converting the URL into a path and a file name by the global wide area network server;
s1.4, the global wide area network server sends the hypertext markup language and other files forming the request page to the nurse terminal module 132, and the connection is automatically disconnected after the page content is transmitted;
s1.5, at the nurse terminal module 132 end, the hypertext markup language script prompts the user to do action or input, and after the user responds, the nurse terminal module 132 requests the global wide area network server to establish a new connection;
s1.6, the global wide area network server transmits the information and other process variables to a CGI program appointed by a hypertext markup language in a form of URL;
s1.7, the CGI responds according to the input and transmits a response result to the global wide area network server;
s1.8, the global wide area network server transmits the response data to the nurse terminal module 132, and the connection is closed after the completion.
Specifically, the electromagnetic force calculation formula of the electromagnetic force type weighing sensor in the height monitoring module 111 is as follows:
Figure BDA0002745781200000031
wherein μ is the vacuum permeability; s is the cross section of the magnetic circuit; kfIs the magnetic flux leakage coefficient; delta is the air gap length; n is the number of turns of the coil; i is current; f is electromagnetic force.
In addition, the light receiver in the drop velocity monitoring module 112 adopts an APD light detection method, and the light signal amplification steps are as follows:
s2.1, firstly, incident signal light generates an initial electron-hole pair in a photodiode;
s2.2, accelerating the electron-hole pair to move by an electric field generated by reverse bias voltage to obtain kinetic energy;
s2.3, the electron-hole pairs collide with neutral atoms after acquiring kinetic energy, so that electrons on a neutral atom valence band jump to a conducting band after acquiring energy, and secondary electron-hole pairs are generated;
and S2.4, under the action of an electric field of reverse bias voltage in S2.2, the secondary electron-hole pairs collide with surrounding neutral atoms to continuously generate new electron-hole pairs, so that the optical signals are amplified in the photodiode.
In addition, the multiplication factor of the APD light detection method is calculated as follows:
Figure BDA0002745781200000081
Figure BDA0002745781200000082
Figure BDA0002745781200000091
Figure BDA0002745781200000092
wherein M is a multiplication factor; i isMOutputting a photocurrent; i isPIs the initial photocurrent; alpha is alphaeIs the electron ionization rate; alpha is alphahIs the hole ionization rate; kAIs the ionization coefficient; v is a reverse bias voltage.
Further, the protocol module 122 adopts an OFTP protocol, and the verification steps are as follows:
s3.1, the server compares the login information of the client with the information stored in the server;
s3.2, after the identity authentication is passed, sending the login information to the client, and then authenticating the identity by the client;
and S3.3, exchanging data after the server side and the client side successfully verify the identities.
Specifically, the alarm unit 140 converts the digital signal into an electric signal using a D/a converter.
In addition, the sampling rate is reduced by adopting a decimation method in the D/A converter, and the method comprises the following steps:
s4.1, reserving the No. P sample point;
s4.2, removing the P-1 th sample point in the two sample points;
s4.3, setting the period adopted by the original discrete signal as T;
s4.4, combining S4.1-S4.3 to obtain a sampling rate calculation formula as follows:
Figure BDA0002745781200000093
in addition, the calculation formula of the effective voltage of the discrete signal in S4.3 is as follows:
Figure BDA0002745781200000094
wherein, Delta TmThe time interval of two adjacent sampling;
Figure BDA0002745781200000095
the square value of the voltage sampling instant of the m-1 time interval is taken; n is the number of sampling points in the first cycle.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides an wisdom transfusion bottle monitoring system, includes transfusion bottle monitoring platform (100), its characterized in that: the infusion bottle monitoring platform (100) comprises a monitoring unit (110), a communication unit (120), a transmission unit (130) and an alarm unit (140); the monitoring unit (110) is used for monitoring the height and the dropping speed of the liquid in the hanging bottle in real time and sending the monitored data to the transmission unit (130), and the monitoring unit (110) is used for sending the data smaller than a preset height value and higher than a preset dropping speed value to the alarm unit (140); the communication unit (120) is used for establishing communication for nodes of each unit; the transmission unit (130) is used for receiving the data sent by the monitoring unit (110); the alarm unit (140) is used for receiving the alarm signal sent by the monitoring unit (110) and giving an alarm;
the monitoring unit (110) comprises a height monitoring module (111), a dripping speed monitoring module (112) and a control module (113); the height monitoring module (111) is used for controlling the electromagnetic force type weighing sensor to monitor the height of the residual liquid in the transfusion bottle and packaging the height value into a data packet;
the dripping speed monitoring module (112) is used for controlling the optical receiver to monitor the dripping speed of the liquid in the transfusion bottle and packaging the dripping speed value into a data packet; the control module (113) is used for controlling the communication unit (120) to send data packets to the transmission unit (130) and sending data smaller than a preset height value and higher than a preset dripping speed value to the alarm unit (140);
the communication unit (120) comprises a network module (121) and a protocol module (122); the network module (121) is used for connecting the monitoring unit (110) and the node between the monitoring units (110) through a network; the protocol module (122) is used for controlling each node to carry out information interaction through a network protocol;
the transmission unit (130) comprises a wireless transmission module (131) and a nurse terminal module (132); the wireless transmission module (131) is used for transmitting the received monitoring data to the nurse terminal module (132); the nurse terminal module (132) is used for receiving the data sent by the wireless transmission module (131) and displaying the data through computer equipment;
the alarm unit (140) comprises a height alarm module (141) and a dripping speed alarm module (142); the height alarm module (141) is used for receiving the alarm signal of the height monitoring module (111) and converting a digital signal into an electric signal to enable a height signal lamp to flash; the dripping speed alarm module (142) is used for receiving the alarm signal of the dripping speed monitoring module (112) and converting the digital signal into an electric signal to enable the dripping speed signal lamp to flash.
2. The intelligent transfusion bottle monitoring system as claimed in claim 1, wherein: the network in the network module (121) is a global wide area network.
3. The intelligent transfusion bottle monitoring system as claimed in claim 2, wherein: the middleware technology is CGI, and the working steps are as follows:
s1.1, a browser at the global wide area network nurse terminal module (132) end of a nurse terminal module (132) decodes a first part of the URL and is connected with a global wide area network server;
s1.2, the global wide area network browser of the nurse terminal module (132) provides the rest of the URL to the server;
s1.3, converting the URL into a path and a file name by the global wide area network server;
s1.4, the global wide area network server sends the hypertext markup language and other files forming the request page to a nurse terminal module (132), and the connection is automatically disconnected after the page content is transmitted;
s1.5, at the nurse terminal module (132), prompting a user to do action or input by a hypertext markup language script, and requesting a global wide area network server to establish a new connection by the nurse terminal module (132) after the user responds;
s1.6, the global wide area network server transmits the information and other process variables to a CGI program appointed by a hypertext markup language in a form of URL;
s1.7, the CGI responds according to the input and transmits a response result to the global wide area network server;
s1.8, the global wide area network server transmits the response data to a nurse terminal module (132), and the connection is closed after the response data is completed.
4. The intelligent transfusion bottle monitoring system as claimed in claim 1, wherein: the electromagnetic force calculation formula of the electromagnetic force type weighing sensor in the height monitoring module (111) is as follows:
Figure FDA0002745781190000021
wherein μ is the vacuum permeability; s is the cross section of the magnetic circuit; kfIs the magnetic flux leakage coefficient; delta is the air gap length; n is the number of turns of the coil; i is current; f is electromagnetic force.
5. The intelligent transfusion bottle monitoring system as claimed in claim 1, wherein: the light receiver in the drop velocity monitoring module (112) adopts an APD light detection method, and the light signal amplification step is as follows:
s2.1, firstly, incident signal light generates an initial electron-hole pair in a photodiode;
s2.2, accelerating the electron-hole pair to move by an electric field generated by reverse bias voltage to obtain kinetic energy;
s2.3, the electron-hole pairs collide with neutral atoms after acquiring kinetic energy, so that electrons on a neutral atom valence band jump to a conducting band after acquiring energy, and secondary electron-hole pairs are generated;
and S2.4, under the action of an electric field of reverse bias voltage in S2.2, the secondary electron-hole pairs collide with surrounding neutral atoms to continuously generate new electron-hole pairs, so that the optical signals are amplified in the photodiode.
6. The intelligent transfusion bottle monitoring system as claimed in claim 5, wherein: the APD light detection method has the following multiplication factor calculation formula:
Figure FDA0002745781190000031
Figure FDA0002745781190000032
Figure FDA0002745781190000033
Figure FDA0002745781190000034
wherein M is a multiplication factor; i isMOutputting a photocurrent; i isPIs the initial photocurrent; alpha is alphaeIs the electron ionization rate; alpha is alphahIs the hole ionization rate; kAIs the ionization coefficient; v is a reverse bias voltage.
7. The intelligent transfusion bottle monitoring system as claimed in claim 1, wherein: the protocol module (122) adopts OFTP protocol, and the verification steps are as follows:
s3.1, the server compares the login information of the client with the information stored in the server;
s3.2, after the identity authentication is passed, sending the login information to the client, and then authenticating the identity by the client;
and S3.3, exchanging data after the server side and the client side successfully verify the identities.
8. The intelligent transfusion bottle monitoring system as claimed in claim 1, wherein: the alarm unit (140) converts the digital signal into an electrical signal using a D/a converter.
9. The intelligent transfusion bottle monitoring system as claimed in claim 8, wherein: the D/A converter adopts a decimation method to reduce the sampling rate, and the method comprises the following steps:
s4.1, reserving the No. P sample point;
s4.2, removing the P-1 th sample point in the two sample points;
s4.3, setting the period adopted by the original discrete signal as T;
s4.4, combining S4.1-S4.3 to obtain a sampling rate calculation formula as follows:
Figure FDA0002745781190000041
10. the intelligent transfusion bottle monitoring system as claimed in claim 8, wherein: the calculation formula of the effective voltage of the discrete signal in S4.3 is as follows:
Figure FDA0002745781190000042
wherein, Delta TmThe time interval of two adjacent sampling;
Figure FDA0002745781190000043
the square value of the voltage sampling instant of the m-1 time interval is taken; n is the number of sampling points in the first cycle.
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