CN111555939B - Monitor information acquisition system - Google Patents
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- CN111555939B CN111555939B CN202010350320.5A CN202010350320A CN111555939B CN 111555939 B CN111555939 B CN 111555939B CN 202010350320 A CN202010350320 A CN 202010350320A CN 111555939 B CN111555939 B CN 111555939B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/67—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
Abstract
The invention provides a monitor information acquisition system, which comprises n monitors, an acquisition device connected with each monitor, an analysis server and a database server, wherein n is more than or equal to 1; the collector is connected with the monitor through a wired interface and is connected with the analysis server through a wireless port, and the collector transmits a data packet collected from the monitor to the analysis server through the wireless port; the analysis server comprises a data receiving module, a data analysis module and a data processing module; the database server is used for storing vital sign data; the information acquisition system realizes the data acquisition of the monitor and the separation of the service system, and is highly commercialized. Data transmission is carried out through the collector, and the data acquisition stability is improved by converting the wire into the wireless mode.
Description
Technical Field
The invention belongs to the field of information acquisition systems, and particularly relates to a monitor information acquisition system.
Background
The existing monitor information acquisition system is mainly used for monitoring physiological parameters of patients, can be compared with a known set value, and can give an alarm for reminding if the physiological parameters exceed the standard. The monitor information acquisition system is generally characterized in that the monitor is connected with a computer end in a wired mode, the monitor directly transmits acquired data to the computer end, and the computer end analyzes and processes the data. However, the monitor information acquisition system disclosed in the prior art generally performs one-to-one binding acquisition, requires that a computer, a network cable and a data cable are all in short supply, but affects the construction period under the condition that no network port is arranged beside a bed, and needs to bind a patient first to start acquisition, and needs to manually additionally record the first 1 to 3 groups of physical sign data. In addition, the data line is easy to loosen in the moving process of the monitor, the collection stability is influenced, and the after-sale service workload is increased. The data acquisition of the monitor is deeply coupled and bound with the service system, so that the workload and the version diversity of the client are increased.
Disclosure of Invention
In order to solve the technical problems, the invention provides a monitor information acquisition system.
One technical scheme of the invention provides a monitor information acquisition system, which comprises n monitors, an acquisition device connected with each monitor, an analysis server and a database server, wherein n is more than or equal to 1;
the collector is connected with the monitor through a wired interface and is connected with the analysis server through a wireless port, and the collector transmits a data packet collected from the monitor to the analysis server through the wireless port;
the resolution server includes:
the data receiving module is configured to be used for receiving the data packet transmitted by the collector;
the data analysis module is configured to analyze the received data packet, generate vital sign data and transmit the vital sign data to the database server; the vital sign data comprises body temperature, pulse, respiration, blood oxygen saturation, invasive blood pressure, non-invasive blood pressure or electrocardiogram data;
the data processing module is configured to judge the vital sign data and send out an alarm signal when abnormal vital sign data exists;
the database server is used for storing the vital sign data.
In a further improved scheme, a photoelectric isolator is arranged at a wired interface of the collector connected with the monitor.
In a further improved scheme, a monitor equipment dictionary, a vital sign monitoring data dictionary and a monitor vital sign data acquisition record report are arranged in the database server, and the monitor equipment dictionary, the vital sign monitoring data dictionary and the monitor vital sign data acquisition record report are provided with sequence numbers and/or monitor unique identification fields.
In a further improved scheme, each data packet analyzed by the data analysis module comprises a sequence number; the analysis server is internally provided with m analysis queues and analysis pools which are in one-to-one correspondence with the analysis queues, the storage capacity of each analysis pool is equal, and m is more than or equal to 1;
the collector is at a first rate v 1 Sequentially sending data packets to a resolution server;
the analysis pool stores the received data packets according to a time sequence;
the analysis queue stores the sequence number of the corresponding data packet in each analysis pool analyzed according to the time sequence;
the resolution server further comprises:
and the packet loss processing module is used for judging a packet loss condition according to the sequence number of the data packet stored in the analysis queue and sending a feedback packet to the collector according to the condition of the data packet in the analysis queue, wherein the feedback packet comprises a first field, and the first field comprises the sequence number of the packet loss.
As shown in fig. 2, in a further improved scheme, the packet loss processing module includes:
the first processing submodule is configured to calculate a sequence number difference deltas of adjacent sequence numbers in each analysis queue, and when all the sequence number differences deltas in a certain analysis queue are equal to 1, an instruction is sent to the emptying submodule; when the maximum sequence number difference deltas in a certain analysis queue max Is less than the threshold value, and the maximum sequence number difference is delta s max When the judgment result is 2, sending an instruction to the first judgment submodule; otherwise, sending an instruction to the feedback response submodule;
the emptying submodule is configured to empty the sequence number in the analysis queue and the data packet in the analysis pool corresponding to the analysis queue;
a first determination submodule configured to calculate a maximum sequence number difference Δ s max The difference value Delta Z between the vital sign data in the two data packets corresponding to 2 and the difference threshold value Delta Z 1 By comparison, when Δ Z < Δ Z 1 When the system is used, sending an instruction to the emptying submodule; otherwise, sending an instruction to the feedback response submodule;
a feedback response submodule configured to send a feedback packet to a collector, the feedback packet including a first field therein.
In a further improved scheme, the packet loss processing module further includes:
a second judgment sub-module, configured to judge whether there is an empty parsing pool, and when there is no empty parsing pool, send an instruction to add a second field in the feedback packet to the feedback response sub-module, where the second field includes an instruction to suspend data transmission; and continuously judging, and when an empty analysis pool exists, sending an instruction of adding a third field in the feedback packet to a feedback response submodule, wherein the third field comprises an instruction of continuously transmitting data.
In a further improved scheme, a timer is arranged in the analysis server, and the timer is used for recording the time t for receiving each data packet 1i ，t 1i Indicating the time of receiving the ith data packet, and the header of each data packet sent by the collector comprises a time stamp t 2i ，t 2i The transmission time of the ith data packet transmitted by the collector is represented;
the resolution server further comprises:
a first calculation module configured to calculate a time t for unidirectionally transmitting the ith data packet i ，t i ＝t 1i -t 2i ；
The first field also comprises a packet transmission rate v of packet loss 2 ，
v 2 ＝N 1 /T 1 N1 represents the sum of the number of packets in the corresponding analysis pool when the difference Δ s between all the sequence numbers in the analysis queue is 1, and T 1 Represents N 1 Sum of one-way transmission times of data packets, and v 2 ≠v 1 。
In a further improved scheme, the third field further comprises a transmission rate v when data transmission is continued 3 ，v 3 ＝N 2 /T 2 ，N 2 Indicates the sum of the number of packets, T, contained in all the analysis pools 2 Represents N 2 Sum of one-way transmission times of data packets, and v 3 ≠v 1 ≠v 2 。
In a further improved scheme, the analysis server further comprises a second calculation module, and when the first judgment submodule judges that Δ Z is smaller than Δ Z 1 When the first calculation module is started, sending an instruction to a second calculation module;
the second calculation module is configured for calculating Δ Z < Δ Z 1 The number of (a); at this time, v 3 ＝N 2 +a/T 2 。
In a further improved scheme, the parsing server further includes:
the monitoring module is configured to monitor the sending rate and the data transmission ending time of the data packet sent by the collector connected with the analysis server;
a statistic module configured to count the number G of collectors with the same sending rate and a number threshold G 1 Comparing, when G is larger than or equal to G 1 Sending an instruction to a delay module;
a delay module configured to send a delay packet to the collector, where the delay packet includes a fourth field, and the fourth field includes a time t at which the collector delays sending the data packet xy ，t xy ＝t x -t 1 ；t xy Indicating that the xth collector defers the time of sending the data packet; t is t x Denotes the data transmission end time, t, of the xth collector with the same sending rate 1 And the data transmission end time corresponding to the collector with the earliest corresponding data transmission end time in the collectors with the same sending rate is shown.
The invention has the beneficial effects that: the invention provides a monitor information acquisition system which can be networked according to medical units, realize the separation of monitor data acquisition and a service system and realize high productization. The information acquisition system is only responsible for acquiring, analyzing, processing and recording the data of the monitor; the monitor information acquisition system supports two modes of a wired network and a wireless network; and two acquisition modes of a single monitor and a central station are supported, the data transmission is carried out through the acquisition devices, the wired connection is converted into the wireless connection, the stability of data acquisition is improved, and the acquired data can also provide data support for a service system. The separation of the acquisition system and the service system reduces the workload of customers and the diversity of versions, and improves the performance and the speed of the integral operation of the system.
Drawings
FIG. 1 is a block diagram of a monitor information acquisition system according to some embodiments of the present invention;
fig. 2 is a block diagram of a packet loss processing module according to some embodiments of the present invention;
fig. 3 is a block diagram of a packet loss processing module according to another embodiment of the present invention;
FIG. 4 is a block diagram of a parsing server provided by some embodiments of the invention;
fig. 5 is a block diagram of a parsing server according to another embodiment of the present invention.
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.
Some embodiments of the present invention provide a monitor information collecting system, as shown in fig. 1, the information collecting system includes:
n number of the monitors are arranged in the monitoring system,
wherein, the value of n can be 5, 10 or 20, etc.; the monitor is a conventional monitor for measuring physiological parameters, and the standard parameters of the monitor comprise respiration, noninvasive blood pressure, invasive blood pressure, blood oxygen saturation, pulse, body temperature and electrocardiogram data.
A collector is arranged at the front end of the device,
each monitor is connected with a collector, the collector is connected with the monitors through wired interfaces, for example, the collectors are connected through 9-pin serial ports and 25-pin serial ports, and the collectors can be connected with the monitors through RS232 interfaces. In order to ensure the stability of data collected by the collector, a photoelectric isolator is arranged at a wired interface. In order to prevent the interface from loosening, the volume of the collector is not easy to be overlarge, and the gravity center is vertically downward.
The resolution server is used for analyzing the data,
the collector is connected to the analysis server through a wireless port, for example, a wireless connection can be realized through an RJ45 network port. The collector can transmit the collected data packets to the analysis server through a TCP protocol. The number of the resolution servers can be set according to medical units.
With continued reference to fig. 1, in some preferred embodiments, the resolution server comprises:
the data receiving module is configured to be used for receiving the data packet transmitted by the collector;
the data analysis module is configured to analyze the received data packet, generate vital sign data and transmit the vital sign data to the database server; the vital sign data comprises body temperature, pulse, respiration, blood oxygen saturation, invasive blood pressure, non-invasive blood pressure or electrocardiogram data;
the data processing module is configured to judge the vital sign data and send out an alarm signal when abnormal vital sign data exists.
The data processing module compares the analyzed vital sign data with corresponding standard data respectively, and sends alarm information when the vital sign data exceeds the standard data.
And the database server is used for storing the vital sign data.
The database server stores data in a report form. A monitor equipment dictionary is arranged in the database server, see table 1, a vital sign monitoring data dictionary, see table 2, a monitor vital sign data acquisition recording report and see table 3. The monitor equipment dictionary, the vital sign monitoring data dictionary and the monitor vital sign data acquisition record report are all provided with sequence numbers and/or monitor unique identification fields.
TABLE 1 monitor equipment dictionary
Table 2 monitor vital sign monitoring data dictionary
Table 3 monitor vital sign collecting recording report form
The invention provides a monitor information acquisition system, which realizes the separation of monitor data acquisition and a service system and is highly commercialized. The information acquisition system is only responsible for acquiring, analyzing, processing and recording the data of the monitor; the monitor information acquisition system supports two modes of a wired network and a wireless network; and two acquisition modes of a single monitor and a central station are supported, the data transmission is carried out through the acquisition devices, the wired connection is converted into the wireless connection, the stability of data acquisition is improved, and the acquired data can also provide data support for a service system. The separation of the acquisition system and the service system reduces the workload of customers and the diversity of versions, and improves the performance and the speed of the integral operation of the system.
On the basis of the embodiment shown in fig. 1, a monitor information acquisition system is further described in detail, and the monitor information acquisition system provided by another embodiment of the present invention specifically includes:
each data packet analyzed by the data analysis module comprises a serial number;
the sequence numbers are used to identify the sending order of the data packets in the process of sending a plurality of data packets by the collector, the interval between adjacent sequence numbers should be 1, the minimum sequence number is 1, for example, each sequence number is 1, 2, 3, 4, etc.
The analysis server is internally provided with m analysis queues and analysis pools which are in one-to-one correspondence with the analysis queues, the storage capacity of each analysis pool is equal, and m is more than or equal to 1; the value of m can be 10, 20 and the like;
the analysis queue and the analysis pool are two storage areas arranged in the analysis server respectively, and the analysis pool stores the received data packets according to a time sequence; the storage capacity of the analysis pool refers to the number of the data packets stored in the analysis pool; the analysis queue stores the sequence number of the corresponding data packet in each analysis pool analyzed according to the time sequence; the analyzing queue stores sequence numbers in a list form; for example, if the preset parsing pool has a capacity of storing 10 data packets, at most 10 serial numbers exist in the parsing sequence corresponding to the parsing pool, and the parsing pool and the parsing queue can be associated by the serial numbers, for example, the serial number corresponding to the data packet stored in the No. 1 parsing pool is stored in the No. 1 parsing queue;
the collector is at a first rate v 1 Sequentially sending data packets to a resolution server;
wherein, in some preferred embodiments, the collector is at a first rate v for a period of time 1 Transmitting data packets, v 1 Can be 100KB/s or 150KB/s, etc.; the period of time is a preset time, and can be 5s, 10s, 30s and the like. The rate of the collector sending data packets in adjacent time periods is unequal, or data is sent according to different receiving sending rates; the packet sending rate of the collector in different time periods is set according to the time interval, so that the data collision problem generated in the packet sending process can be remarkably reduced, and the packet loss rate is reduced.
The resolution server further comprises:
and the packet loss processing module is used for judging a packet loss condition according to the sequence number of the data packet stored in the analysis queue and sending a feedback packet to the collector according to the condition of the data packet in the analysis queue, wherein the feedback packet comprises a first field, and the first field comprises the sequence number of the packet loss.
The monitor information acquisition system provided by the invention judges the packet loss condition according to the sequence number in the analysis queue, then sends the feedback packet to the collector according to the packet loss condition, and the collector sends data according to the feedback packet condition, so that the pertinence and the accuracy of resending the lost data packet are improved.
As shown in fig. 2, in some preferred embodiments, the packet loss processing module includes:
the first processing submodule is configured to calculate a sequence number difference deltas of adjacent sequence numbers in each analysis queue, and when all the sequence number differences deltas in a certain analysis queue are equal to 1, an instruction is sent to the emptying submodule; when the maximum sequence number difference deltas in a certain analysis queue max Is less than the threshold value, and the maximum sequence number difference is delta s max When the judgment result is 2, sending an instruction to the first judgment submodule; otherwise, sending an instruction to the feedback response submodule;
for example, the sequence numbers stored in the No. 1 parsing queue are 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, and the sequence number difference Δ s between all adjacent sequence numbers is 1, which proves that there is no packet loss in the No. 1 parsing pool corresponding to the No. 1 parsing queue, and at this time, an instruction is sent to the emptying submodule; for another example, sequence numbers stored in the resolution queue No. 2 are 1, 2, 3, 5, 6, 7, 8, 9, and 10, and sequence number differences Δ s between all adjacent sequence numbers are 1 and 2, where the maximum sequence number difference is 2, the number is 1, the preset number threshold is 2, and the maximum sequence number difference Δ s is 2 max The number of the judgment sub-modules is less than 2, and at the moment, an instruction is sent to the first judgment sub-module; for another example, sequence numbers stored in the resolution queue No. 3 are 1, 2, 3, 5, 6, 7, 8, and 10, and sequence number differences Δ s between all adjacent sequence numbers are 1 and 2, where the maximum sequence number difference is 2, the number is 2, and the maximum sequence number difference Δ s is max The number of the sub-modules is equal to 2, and at the moment, an instruction is sent to the feedback response sub-module; for another example, the sequence numbers stored in the No. 4 parsing queue are 1, 2, 3, 6, 7, 8, and 10, the sequence number difference Δ s between all adjacent sequence numbers is 1, 2, and 3, where the maximum sequence number difference is 3, and at this time, an instruction is sent to the feedback response sub-module.
The emptying submodule is configured to empty the sequence number in the analysis queue and the data packet in the analysis pool corresponding to the analysis queue;
the emptying submodule empties the serial number in the analysis queue and the data packet in the corresponding analysis pool, and here, it should be noted that before the data packet is emptied, the data packet parsed in the analysis pool is subjected to a data processing module, and all data with a processing result is sent to the database server to be stored. If the data packet in a certain analysis pool is not emptied, at this time, the analysis server does not transmit the data in the analysis pool to the database server temporarily due to the packet loss condition, and when the data packet in a certain analysis pool needs to be emptied, the data in the certain analysis pool is transmitted to the database server.
A first determination submodule configured to calculate a maximum sequence number difference Δ smax The difference value Delta Z between the vital sign data in the two data packets corresponding to 2 and the difference threshold value Delta Z 1 By comparison, when Δ Z < Δ Z 1 When the system is used, sending an instruction to the emptying submodule; otherwise, sending an instruction to the feedback response submodule;
for the No. 2 analysis queue, the difference between the sequence numbers of the sequence numbers 3 and 5 is 2 at most and smaller than the number threshold, so the vital sign data of the No. 3 data packet and the No. 5 data packet in the No. 2 analysis pool is judged, for example, the No. 3 data packet and the No. 5 data packet are both body temperature data, the body temperature analyzed by the No. 3 data packet is 36.5 ℃, the temperature analyzed by the No. 5 data packet is 36.7 ℃, at this time, Δ Z is 0.2 ℃, and Δ Z is set 1 If the temperature analyzed by the No. 5 data packet is 37.0 ℃, the Delta Z is 0.5 ℃, and if the temperature is more than 0.3 ℃, the feedback response submodule sends an instruction.
A feedback response submodule configured to send a feedback packet to a collector, the feedback packet including a first field therein;
the first field comprises a serial number of a lost packet and a serial number of an analysis pool, the lost data packet is sent after the collector receives the feedback packet, the analysis server stores the received retransmission data packet in the corresponding analysis pool, the serial number of the analysis pool is stored in the corresponding analysis queue, and then an instruction is sent to the packet loss processing module to continue judgment.
The monitor information acquisition system provided by the invention judges whether to send the lost data packet according to the condition of the data packet stored in the analysis pool in the analysis server, thereby not only ensuring the integrity of the transmission data, but also improving the throughput of the whole system.
On the basis of the embodiment shown in fig. 1, a monitor information acquisition system is further described in detail, and the monitor information acquisition system provided by another embodiment of the present invention specifically includes:
as shown in fig. 3, the packet loss processing module further includes:
a second judgment sub-module, configured to judge whether there is an empty parsing pool, and when there is no empty parsing pool, send an instruction to add a second field in the feedback packet to the feedback response sub-module, where the second field includes an instruction to suspend data transmission; and continuously judging, and when an empty analysis pool exists, sending an instruction of adding a third field in the feedback packet to a feedback response submodule, wherein the third field comprises an instruction of continuously transmitting data.
For example, 10 analysis pools are set in the analysis server, and when there is a packet loss situation in all 10 analysis pools and there is no empty analysis pool, the feedback packet further includes a second field, where the second field is an instruction for the tentative collector to send a data packet, and the data packet does not include a data packet that needs to be retransmitted, and is a data packet that continues to be transmitted according to a packet sending order; and when the empty analysis pool exists in the continuous judgment, the feedback packet comprises a third field comprising an instruction for continuously transmitting data.
In some preferred embodiments, a timer is arranged in the resolution server, and the timer is used for recording the time t of receiving each data packet 1i ，t 1i Indicating the time of receiving the ith data packet, and the header of each data packet sent by the collector comprises a time stamp t 2i ，t 2i The transmission time of the ith data packet transmitted by the collector is represented;
as shown in fig. 4, in some preferred embodiments, the parsing server further comprises:
a first calculation module configured to calculate a time t for unidirectionally transmitting the ith data packet i ，t i ＝t 1i -t 2i ；
The timer is arranged in the analysis server, the one-way data transmission time sent from the collector to the analysis server data packet is calculated, and the calculated RTT improves the calculation accuracy by aiming at the problem that the timer is arranged in the collector in the prior art.
The first field also comprises a packet transmission rate v of packet loss 2 Wherein v is 2 ＝N 1 /T 1 ， N 1 Indicates the sum of the number of data packets in the corresponding analysis pool when the difference of all sequence numbers in the analysis queue is equal to 1, T 1 Represents N 1 Sum of one-way transmission times of data packets, and v 2 ≠v 1 ；
Wherein the analysis queue is the analysis queue with the most sequence number;
the third field further comprises a transmission rate v at which data transmission is continued 3 ，v 3 ＝N 2 /T 2 ，N 2 Indicates the sum of the number of packets, T, contained in all the analysis pools 2 Represents N 2 Sum of one-way transmission times of data packets, and v 3 ≠v 1 ≠v 2 。
The invention controls the speed of the collector for sending the packet-lost data and the speed of the continuous transmission according to the number of the packet-lost in the analysis pool and the one-way transmission time of each data packet, thereby further improving the efficiency of sending the data packet, reducing the packet-lost rate of the subsequent data transmission, ensuring the running performance of the system and reducing the transmission conflict among the data.
With continued reference to fig. 4, in some preferred embodiments, the parsing server further includes a second calculating module, when the first determining sub-module determines that Δ Z < Δ Z 1 When the first calculation module is started, sending an instruction to a second calculation module;
the second calculation module is configured for calculating Δ Z < Δ Z 1 The number of (a); at this time, v 3 ＝N 2 +a/T 2 。
The invention is defined by 3 The throughput of the whole system is improved while the packet loss rate is reduced.
On the basis of the embodiment shown in fig. 1, a monitor information acquisition system is further described in detail, and the monitor information acquisition system provided by another embodiment of the present invention specifically includes:
as shown in fig. 5, the parsing server further includes:
the monitoring module is configured to monitor the sending rate and the data transmission ending time of the data packet sent by the collector connected with the analysis server;
the monitoring module obtains data information sent to the analysis server by the collector through monitoring software or a protocol, wherein the data information comprises sending rate and ending time.
A statistic module configured to count the number G of collectors with the same sending rate and a number threshold G 1 Comparing, when G is larger than or equal to G 1 Sending an instruction to a delay module;
the sending rates are the same, that is, the rate sent by the collector to the data packets at the same time, for example, the number threshold is set to 5, when the number sent by the collector to the resolution server at the same time at the same rate is 4, 4 is less than 5, at this time, the resolution server can process the transmitted data at the same time, and the network framework can meet the corresponding data transmission, when the number sent by the collector to the resolution server at the same time at the same rate is 6 and more than 5, at this time, the data processing capability of the resolution server is reduced, and a situation of packet loss rate caused by an excessively large parallel number is easily caused, so the number of the data packets sent by the collector at the same rate needs to be controlled;
a delay module configured to send a delay packet to the collector, where the delay packet includes a fourth field, and the fourth field includes a time t at which the collector delays sending the data packet xy ，t xy ＝t x -t 1 ；t xy Indicating that the xth collector defers the time of sending the data packet; t is t x Denotes the data transmission end time, t, of the xth collector with the same sending rate 1 And the data transmission end time corresponding to the collector with the earliest corresponding data transmission end time in the collectors with the same sending rate is shown.
The delay module calculates the time of data delay according to the end time of sending the data packet by each collector in the same sending rate.
The monitor information acquisition system provided by the invention can improve the data processing capacity and speed of the whole system and can obviously reduce the problem of packet loss caused by a large number of concurrencies.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A bedside monitor information acquisition system capable of being networked according to medical units is characterized in that the information acquisition system comprises n bedside monitors with wired interfaces, n collectors, an analysis server and a database server, wherein each bedside monitor is connected with one collector, and n is more than or equal to 1; the number of the analysis servers is set according to the medical units;
the collector is connected with the bedside monitor through a wired interface and is connected with the analysis server through a wireless port, and the collector transmits data packets collected from the bedside monitor to the analysis server through the wireless port; a photoelectric isolator is arranged at the wired interface, the size of the collector is small, and the gravity center of the collector is vertically downward; the collector is at a first rate v 1 Sequentially sending data packets to a resolution server;
the resolution server includes:
the data receiving module is configured to be used for receiving the data packet transmitted by the collector;
the data analysis module is configured to analyze the received data packet, generate vital sign data and transmit the vital sign data to the database server; the vital sign data comprises body temperature, pulse, respiration, blood oxygen saturation, invasive blood pressure, non-invasive blood pressure or electrocardiogram data; each data packet analyzed by the data analysis module comprises a sequence number; the analysis server is internally provided with m analysis queues and analysis pools which are in one-to-one correspondence with the analysis queues, the storage capacity of each analysis pool is equal, and m is more than or equal to 1; the analysis pool stores the received data packets according to a time sequence; the analysis queue stores the sequence number of the corresponding data packet in each analysis pool analyzed according to the time sequence;
the data processing module is configured to judge the vital sign data and send out an alarm signal when abnormal vital sign data exists;
the packet loss processing module is used for judging a packet loss situation according to the sequence number of the data packet stored in the analysis queue and sending a feedback packet to the collector according to the situation of the data packet in the analysis queue, wherein the feedback packet comprises a first field, and the first field comprises the sequence number of the packet loss;
the packet loss processing module comprises:
the first processing submodule is configured to calculate the sequence number difference deltas of adjacent sequence numbers in each resolving queue, and when all the sequence number differences deltas in a certain resolving queue are equal to 1, an instruction is sent to the emptying submodule; when the number of the maximum sequence number difference delta smax in a certain analysis queue is smaller than a threshold value and the maximum sequence number difference delta smax is 2, sending an instruction to a first judgment submodule; otherwise, sending an instruction to the feedback response submodule;
the emptying submodule is configured to empty the sequence number in the analysis queue and the data packet in the analysis pool corresponding to the analysis queue;
a first judging submodule configured to calculate a difference value Δ Z between vital sign data in two data packets corresponding to the maximum sequence number difference Δ smax ═ 2, compare the difference value Δ Z with a difference value threshold value Δ Z1, and send an instruction to the emptying submodule when Δ Z is less than Δ Z1; otherwise, sending an instruction to the feedback response submodule;
a feedback response submodule configured to send a feedback packet to a collector, the feedback packet including a first field therein;
the packet loss processing module further includes:
a second judgment sub-module, configured to judge whether there is an empty parsing pool, and when there is no empty parsing pool, send an instruction to add a second field in the feedback packet to the feedback response sub-module, where the second field includes an instruction to suspend data transmission;
continuing to judge, and when an empty analysis pool exists, sending an instruction of adding a third field in the feedback packet to a feedback response submodule, wherein the third field comprises an instruction of continuing data transmission;
the database server is used for storing the vital sign data.
2. The bedside monitor information acquisition system according to claim 1, wherein a bedside monitor device dictionary, a vital sign monitoring data dictionary, and a bedside monitor vital sign data acquisition record report are provided in the database server, and the bedside monitor device dictionary, the vital sign monitoring data dictionary, and the bedside monitor vital sign data acquisition record report are each provided with a serial number and/or a unique identification field of the bedside monitor.
3. The bedside monitor information acquisition system of claim 1, wherein a timer is disposed within the resolution server, the timer for recording the time t at which each data packet is received 1i ，t 1i Indicating the time of receiving the ith data packet, and the header of each data packet sent by the collector comprises a time stamp t 2i ，t 2i The transmission time of the ith data packet transmitted by the collector is represented;
the resolution server further comprises:
a first calculation module configured to calculate a time t for unidirectionally transmitting the ith data packet i ，t i ＝t 1i -t 2i ；
The first field also comprises a packet transmission rate v of packet loss 2 ，
v 2 ＝N 1 /T 1 N1 represents the sum of the number of packets in the corresponding analysis pool when the difference Δ s between all the sequence numbers in the analysis queue is 1, and T 1 Represents N 1 Sum of one-way transmission times of data packets, and v 2 ≠v 1 。
4. A bedside monitor information acquisition system as claimed in claim 3, wherein said third field further comprises a transmission rate v at which data transmission continues 3 ，v 3 ＝N 2 /T 2 ，N 2 Indicates the sum of the number of packets, T, contained in all the analysis pools 2 Represents N 2 Sum of one-way transmission times of data packets, and v 3 ≠v 1 ≠v 2 。
5. The bedside monitor information acquisition system of claim 4, wherein the resolution server further comprises a second calculation module, wherein the first determination module determines Δ Z <. DELTA.Z 1 When the first calculation module is started, sending an instruction to a second calculation module;
the second calculation module is configured for calculating Δ Z <. DELTA.Z 1 The number of (a); at this time, v 3 ＝N 2 +a/T 2 。
6. The bedside monitor information acquisition system of claim 5, wherein the resolution server further comprises:
the monitoring module is configured to monitor the sending rate and the data transmission ending time of the data packet sent by the collector connected with the analysis server;
a statistic module configured to count the number G of collectors with the same sending rate and a number threshold G 1 Comparing, when G is larger than or equal to G 1 Sending an instruction to a delay module;
delay module, said delay moduleThe block is configured to send a delay packet to the collector, the delay packet including a fourth field therein, the fourth field including a time t at which the collector delays sending the data packet xy ，t xy ＝t x -t 1 ；t xy Indicating that the xth collector defers the time of sending the data packet; t is t x Denotes the data transmission end time, t, of the xth collector with the same sending rate 1 And the data transmission end time corresponding to the collector with the earliest corresponding data transmission end time in the collectors with the same sending rate is shown.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6402691B1 (en) * | 1999-09-21 | 2002-06-11 | Herschel Q. Peddicord | In-home patient monitoring system |
| CN101075948A (en) * | 2006-05-15 | 2007-11-21 | 中兴通讯股份有限公司 | Method for realizing realtime fluid-medium programm reliable transmission |
| CN103746927A (en) * | 2013-12-27 | 2014-04-23 | 杭州华为数字技术有限公司 | Priority-based fluid control PFC (Power Factor Correction) method, transmitting device and receiving device |
| CN104956392A (en) * | 2012-10-31 | 2015-09-30 | 株式会社日立系统 | Biological information collection/distribution system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6402691B1 (en) * | 1999-09-21 | 2002-06-11 | Herschel Q. Peddicord | In-home patient monitoring system |
| CN101075948A (en) * | 2006-05-15 | 2007-11-21 | 中兴通讯股份有限公司 | Method for realizing realtime fluid-medium programm reliable transmission |
| CN104956392A (en) * | 2012-10-31 | 2015-09-30 | 株式会社日立系统 | Biological information collection/distribution system |
| CN103746927A (en) * | 2013-12-27 | 2014-04-23 | 杭州华为数字技术有限公司 | Priority-based fluid control PFC (Power Factor Correction) method, transmitting device and receiving device |
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