CN115844351B - Medical care system with data acquisition and transmission functions based on Internet of things technology - Google Patents

Medical care system with data acquisition and transmission functions based on Internet of things technology Download PDF

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CN115844351B
CN115844351B CN202211524524.1A CN202211524524A CN115844351B CN 115844351 B CN115844351 B CN 115844351B CN 202211524524 A CN202211524524 A CN 202211524524A CN 115844351 B CN115844351 B CN 115844351B
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bedside
beacon
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server
extension
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CN115844351A (en
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潘晓亭
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Lonbon Technology Co ltd
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    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract

The invention discloses a medical care system with a data acquisition and transmission function based on the internet of things technology, which comprises a bedside extension, a bedside beacon, medical equipment and a server end, wherein a plurality of groups of bedside extensions are arranged at the heads of a plurality of sickbeds, and a plurality of groups of bedside beacons are arranged at the heads of the plurality of sickbeds. The invention belongs to the technical field of medical care systems, in particular to a medical care system with a data acquisition and transmission function based on the internet of things technology.

Description

Medical care system with data acquisition and transmission functions based on Internet of things technology
Technical Field
The invention belongs to the technical field of medical care systems, and particularly relates to a medical care system with a data acquisition and transmission function based on the internet of things technology.
Background
When the medical nursing is carried out on a patient, the physical sign data of the patient are collected through medical equipment in the traditional mode, and the physical sign data of the patient are manually transcribed.
In the prior art, medical equipment such as a sphygmomanometer and the like and a bedside extension are provided with a built-in Bluetooth module instead of an NFC scanning module, before the medical equipment is used, the Bluetooth module on the sphygmomanometer automatically transmits measurement data (the MAC address of Bluetooth and measured physical sign data) to the bedside extension in a broadcasting mode, and then the Bluetooth module is uploaded to a server side through the bedside extension equipment.
Because thing networking equipment often uses under the condition that lacks the protection means to brought patient's private data and revealed the problem, simultaneously, the sign data of patient that medical equipment obtained is mostly a large number of numerical data, when medical personnel obtained patient's sign data, need take longer time to carry out the analysis to the sign data, thereby make work efficiency reduce.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the medical care system with the data acquisition and transmission function based on the Internet of things technology, which converts the acquired numerical data related to the physical sign of the patient into image data such as a line graph and the like so as to facilitate encryption processing of the physical sign data.
According to the technical scheme, the NFC scanning module and the NFC label are skillfully introduced, the technical problem of data confusion caused by the fact that a plurality of sickbeds exist in one sickroom in the prior art is solved under the condition that the hardware and the data communication mode of the existing medical equipment are not changed, the cost is reduced, the problem of error caused by manual transcription in the traditional mode is solved, the efficiency is improved, and the accuracy of data is guaranteed.
Meanwhile, the bedside beacon and the server are set, so that the problem of error scanning is solved, and the accuracy of measured data is guaranteed.
The technical scheme adopted by the invention is as follows: the medical care system with the data acquisition and transmission functions based on the Internet of things comprises a bedside extension, a bedside beacon, medical equipment and a server, wherein a plurality of groups of bedside extensions are arranged at the bedside of a plurality of sickbeds, a plurality of groups of bedside beacons are arranged at the bedside of the plurality of sickbeds, the bedside beacon is connected with the bedside extension, the medical equipment is used for acquiring physical sign data of a patient, the server is in wireless connection with the bedside extension, a Bluetooth communication module I and an NFC scanning module are arranged in the bedside beacon, a disease area number and a bed position number are arranged in the bedside beacon, an NFC label is arranged on the medical equipment, an ID number is arranged on the NFC label, and a Bluetooth communication module II is arranged in the medical equipment.
Further, the server binds the ID number corresponding to the NFC tag on the medical device with the MAC address of the Bluetooth communication module II of the medical device, the NFC scanning module is used for scanning the NFC tag on the medical device to acquire the ID number of the NFC tag, the bedside beacon sends the scanned ID number, the ward number and the bed number of the NFC tag to the bedside extension, the bedside extension sends the scanned ID number, the ward number and the bed number of the NFC tag to the server, and the server receives the scanned ID number, the ward number and the bed number of the NFC tag.
Preferably, the second bluetooth communication module sends the sign data of the patient and the MAC address of the second bluetooth communication module in a broadcast manner, the first bluetooth communication module is configured to receive the sign data of the patient and the MAC address of the second bluetooth communication module, and send the sign data of the patient and the MAC address of the second bluetooth communication module to a bedside beacon, the bedside beacon sends the sign data of the patient and the MAC address of the second bluetooth communication module to a bedside extension, the bedside extension converts the sign data of the patient into a 300×300 original image, a segmentation rearrangement unit is arranged in the bedside extension, the bedside extension sends the 300×300 original image to the segmentation rearrangement unit, and the segmentation rearrangement unit is configured to receive the 300×300 original image and implement the following steps:
presetting a key Ka and a key Kb;
dividing the 300×300 original image into b×b target blocks
Figure DEST_PATH_IMAGE001
Obtaining a target square set
Figure 163114DEST_PATH_IMAGE002
Wherein p is
Figure DEST_PATH_IMAGE003
A is a target square
Figure 514330DEST_PATH_IMAGE004
The calculation formula of a is:
Figure DEST_PATH_IMAGE005
；
according to the key Ka, the target square block is assembled
Figure 287114DEST_PATH_IMAGE006
Target square in (a)
Figure 296659DEST_PATH_IMAGE004
Reordering to obtain a reordered block set
Figure DEST_PATH_IMAGE007
；
For each rearranged block
Figure 2446DEST_PATH_IMAGE008
Dividing again into four adjacent square blocks which are equal in size and are not overlapped with each other
Figure DEST_PATH_IMAGE009
，
Figure 993405DEST_PATH_IMAGE010
Obtaining each rearranged block
Figure 191168DEST_PATH_IMAGE008
Is a set of adjacent blocks of (a)
Figure DEST_PATH_IMAGE011
Wherein adjacent blocks
Figure 922845DEST_PATH_IMAGE012
At the rearrangement square
Figure DEST_PATH_IMAGE013
Upper left corner of adjacent square
Figure 483139DEST_PATH_IMAGE014
At the rearrangement square
Figure 317103DEST_PATH_IMAGE013
Upper right corner of adjacent square
Figure DEST_PATH_IMAGE015
At the rearrangement square
Figure 330059DEST_PATH_IMAGE013
Lower left corner of adjacent square
Figure 681406DEST_PATH_IMAGE016
At the rearrangement square
Figure 627365DEST_PATH_IMAGE013
Is the lower right corner of (2);
based on the key kb, the adjacent blocks are assembled
Figure DEST_PATH_IMAGE017
Adjacent square blocks in (a)
Figure 366651DEST_PATH_IMAGE009
Reordering to obtain a rearranged adjacent block set
Figure 132481DEST_PATH_IMAGE018
And each rearranged adjacent block set
Figure DEST_PATH_IMAGE019
；
Merging all rearranged adjacent blocks
Figure 618345DEST_PATH_IMAGE020
Obtaining a 300×300 encrypted image;
and the bedside extension sends the 300 multiplied by 300 encrypted image and the MAC address of the Bluetooth communication module II to the server side.
Further, the server side receives the 300×300 encrypted image and the MAC address of the second bluetooth communication module, the server side is provided with a splice repair unit, the server side sends the 300×300 encrypted image to the splice repair unit, and the splice repair unit is configured to receive the 300×300 encrypted image and implement the following steps:
determination of
Figure 418811DEST_PATH_IMAGE020
The positions of the upper left corner FL, the upper right corner FR, the lower left corner DL and the lower right corner DR are set as the position coefficients corresponding to the upper left corner FL, the upper right corner FR, the lower left corner DL and the lower right corner DR
Figure DEST_PATH_IMAGE021
，
Figure 328998DEST_PATH_IMAGE022
，
Figure DEST_PATH_IMAGE023
And
Figure 50966DEST_PATH_IMAGE024
；
in the method, in the process of the invention,
Figure DEST_PATH_IMAGE025
，
Figure 806433DEST_PATH_IMAGE026
；
based on position coefficients and reordering neighboring blocks
Figure 726984DEST_PATH_IMAGE020
Obtaining the intensity coefficient
Figure DEST_PATH_IMAGE027
And
Figure 542493DEST_PATH_IMAGE028
，
Figure DEST_PATH_IMAGE029
；
and obtaining a repair splice error value between the left upper corner FL and the right upper corner FR and a repair splice error value between the left lower corner DL and the right lower corner DR according to the intensity coefficient and the position coefficient, wherein the calculation formula of the repair splice error value between the left upper corner FL and the right upper corner FR is as follows:
Figure DEST_PATH_IMAGE031
the calculation formula of the repair splice error value between the lower left corner DL and the lower right corner DR is:
Figure DEST_PATH_IMAGE033
the 300×300 encrypted image is restored according to the restoration splice error value between the upper left corner FL and the upper right corner FR and the restoration splice error value between the lower left corner DL and the lower right corner DR to restore to the 300×300 original image.
By adopting the scheme, the beneficial effects obtained by the invention are as follows:
(1) According to the scheme, the acquired numerical data related to the physical sign of the patient are converted into the image data such as the line graph, so that the physical sign data are encrypted, and when the method is adopted, the safety is high, the risk of private data leakage is effectively reduced, meanwhile, compared with the numerical data, the image data are more visual and understandable, and the medical staff can check the physical sign of the patient conveniently.
(2) According to the technical scheme, the NFC scanning module and the NFC label are skillfully introduced, the technical problem of data confusion caused by the fact that a plurality of sickbeds exist in one sickroom in the prior art is solved under the condition that the hardware and the data communication mode of the existing medical equipment are not changed, the cost is reduced, the problem of error caused by manual transcription in the traditional mode is solved, the efficiency is improved, and the accuracy of data is guaranteed.
(3) According to the scheme, the bedside beacon and the server are set, so that the problem of error scanning is solved, and the accuracy of measured data is guaranteed.
Drawings
Fig. 1 is a schematic workflow diagram of a medical care system with data acquisition and transmission functions based on the internet of things technology provided by the invention;
fig. 2 is a schematic workflow diagram of a head of bed beacon;
FIG. 3 is a schematic diagram of a workflow at a server side;
fig. 4 is a flow chart of a binding process of an ID number and a MAC address.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Referring to fig. 1, 2, 3 and 4, the medical care system with data acquisition and transmission function based on the internet of things provided by the invention comprises a bedside extension, a bedside beacon, medical equipment and a server, wherein a plurality of groups of bedside extensions are arranged at the bedside of a plurality of sickbeds, a plurality of groups of bedside beacons are arranged at the bedside of the sickbeds, the bedside beacon is connected with the bedside extension, the medical equipment is used for acquiring physical sign data of a patient, the server is in wireless connection with the bedside extension, a Bluetooth communication module I and an NFC scanning module are arranged in the bedside beacon, a disease area code and a bed number are arranged in the bedside beacon, an NFC label is arranged on the medical equipment, an ID number is arranged on the NFC label, a Bluetooth communication module II is arranged in the medical equipment, the server binds the ID number corresponding to the NFC label on the medical equipment with the MAC address of the Bluetooth communication module II of the medical equipment, the NFC scanning module is used for scanning NFC labels on medical equipment to obtain ID numbers of the NFC labels, the bedside beacon transmits the scanned ID numbers, the ward numbers and the bed numbers of the NFC labels to the bedside extension, the bedside extension transmits the scanned ID numbers, the ward numbers and the bed numbers of the NFC labels to the server, the server receives the scanned ID numbers, the ward numbers and the bed numbers of the NFC labels, the Bluetooth communication module II transmits physical sign data of a patient and MAC addresses of the Bluetooth communication module II in a broadcast mode, the Bluetooth communication module I is used for receiving the physical sign data of the patient and the MAC addresses of the Bluetooth communication module II and transmits the physical sign data of the patient and the MAC addresses of the Bluetooth communication module II to the bedside extension, the bedside extension converts the physical sign data of the patient into 300×300 original images, a segmentation rearrangement unit is arranged in the bedside extension, the bedside extension sends the 300×300 original images to the segmentation rearrangement unit, and the segmentation rearrangement unit is used for receiving the 300×300 original images and realizing the following steps:
presetting a key Ka and a key Kb;
dividing the 300×300 original image into b×b target blocks
Figure 670200DEST_PATH_IMAGE001
Obtaining a target square set
Figure 760515DEST_PATH_IMAGE002
Wherein p is
Figure 410940DEST_PATH_IMAGE003
A is a target square
Figure 194088DEST_PATH_IMAGE004
The calculation formula of a is:
Figure 562752DEST_PATH_IMAGE005
；
according to the key Ka, the target square block is assembled
Figure 456759DEST_PATH_IMAGE006
Target square in (a)
Figure 86323DEST_PATH_IMAGE004
Reordering to obtain a reordered block set
Figure 915739DEST_PATH_IMAGE007
；
For each rearranged block
Figure 896334DEST_PATH_IMAGE008
Dividing again into four adjacent square blocks which are equal in size and are not overlapped with each other
Figure 328452DEST_PATH_IMAGE009
，
Figure 953468DEST_PATH_IMAGE010
Obtaining each rearranged block
Figure 346928DEST_PATH_IMAGE008
Is a set of adjacent blocks of (a)
Figure 159026DEST_PATH_IMAGE011
Wherein adjacent blocks
Figure 925994DEST_PATH_IMAGE012
At the rearrangement square
Figure 405517DEST_PATH_IMAGE013
Upper left corner of adjacent square
Figure 966948DEST_PATH_IMAGE014
At the rearrangement square
Figure 390976DEST_PATH_IMAGE013
Upper right corner of adjacent square
Figure 305843DEST_PATH_IMAGE015
At the rearrangement square
Figure 764506DEST_PATH_IMAGE013
Lower left corner of adjacent square
Figure 372205DEST_PATH_IMAGE016
At the rearrangement square
Figure 549108DEST_PATH_IMAGE013
Is the lower right corner of (2);
based on the key kb, the adjacent blocks are assembled
Figure 126720DEST_PATH_IMAGE017
Adjacent square blocks in (a)
Figure 315256DEST_PATH_IMAGE009
Reordering to obtain a rearranged adjacent block set
Figure 218490DEST_PATH_IMAGE018
And each rearranged adjacent block set
Figure 614180DEST_PATH_IMAGE019
；
Merging all rearranged adjacent blocks
Figure 136429DEST_PATH_IMAGE020
Obtaining a 300×300 encrypted image;
and the bedside extension sends the 300 multiplied by 300 encrypted image and the MAC address of the Bluetooth communication module II to the server side.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the server side receives the 300×300 encrypted image and the MAC address of the second bluetooth communication module, the server side is provided with a splice repair unit, the server side sends the 300×300 encrypted image to the splice repair unit, and the splice repair unit is configured to receive the 300×300 encrypted image and implement the following steps:
determination of
Figure 304105DEST_PATH_IMAGE020
The positions of the upper left corner FL, the upper right corner FR, the lower left corner DL and the lower right corner DR are set as the position coefficients corresponding to the upper left corner FL, the upper right corner FR, the lower left corner DL and the lower right corner DR
Figure 253606DEST_PATH_IMAGE021
，
Figure 873943DEST_PATH_IMAGE022
，
Figure 324516DEST_PATH_IMAGE023
And
Figure 222065DEST_PATH_IMAGE024
；
in the method, in the process of the invention,
Figure 201522DEST_PATH_IMAGE025
，
Figure 840314DEST_PATH_IMAGE026
；
based on position coefficients and reordering neighboring blocks
Figure 438786DEST_PATH_IMAGE020
Obtaining the intensity coefficient
Figure 315475DEST_PATH_IMAGE027
And
Figure 996992DEST_PATH_IMAGE028
，
Figure 467288DEST_PATH_IMAGE029
；
and obtaining a repair splice error value between the left upper corner FL and the right upper corner FR and a repair splice error value between the left lower corner DL and the right lower corner DR according to the intensity coefficient and the position coefficient, wherein the calculation formula of the repair splice error value between the left upper corner FL and the right upper corner FR is as follows:
Figure 731434DEST_PATH_IMAGE034
the calculation formula of the repair splice error value between the lower left corner DL and the lower right corner DR is:
Figure 993788DEST_PATH_IMAGE033
the 300×300 encrypted image is restored according to the restoration splice error value between the upper left corner FL and the upper right corner FR and the restoration splice error value between the lower left corner DL and the lower right corner DR to restore to the 300×300 original image.
In the first embodiment, referring to fig. 4, before use, the ID number of the NFC tag of the medical device is bound with the MAC address of the bluetooth communication module two of the medical device through the server.
The binding process of the ID number and the MAC address is as follows:
s1, scanning an NFC label on medical equipment through an NFC scanning module to acquire an ID number of the NFC label;
s2, acquiring an MAC address of a Bluetooth communication module II in the medical equipment;
s3, binding the ID number of the NFC tag with the MAC address of a Bluetooth communication module II of the medical equipment at a server side;
and S4, binding the ID number of the NFC label of each medical device with the MAC address of the Bluetooth communication module II of the medical device one by one according to the operation flow.
In a second embodiment, referring to fig. 1, the system collects the sign data of the patient and transmits the sign data to the server during the medical care based on the above embodiment.
In this embodiment, the present embodiment uses the sphygmomanometer to replace the medical device for demonstration, sets the ID number, the disease area number and the bed number of the scanned NFC tag as the scan data, and sets the physical sign data of the patient and the MAC address of the bluetooth communication module two as the measurement data.
When medical staff measures blood pressure for a patient, the NFC label on the sphygmomanometer is close to the bedside beacon arranged at the bedside, the NFC label is scanned through the NFC scanning module in the bedside beacon to acquire the ID number of the NFC label, the Bluetooth communication module I in the bedside beacon is opened, the scanned ID number, the disease area number and the bed number of the NFC label are used as scanning data to be uploaded to the bedside extension, the bedside extension uploads the scanning data to the server end, after the medical staff measures the blood pressure for the patient, the built-in Bluetooth communication module II of the sphygmomanometer sends the MAC address of the Bluetooth communication module II of the sphygmomanometer and the sign data of the patient as measurement data to the bedside beacon in a broadcasting mode, and the bedside beacon uploads the measurement data to the server end through the bedside extension.
In the third embodiment, referring to fig. 2 and fig. 3, the embodiment is based on the foregoing embodiment, and the problem of erroneous scanning is solved by setting the bedside beacon and the server.
By adopting the scheme, the technical problem that data are disordered because a plurality of sickbeds exist in one ward can be effectively solved, but the problem of error scanning also exists.
Three groups of sickbeds are arranged, namely a sickbed 1, a sickbed 2 and a sickbed 3, three groups of bedside extensions are correspondingly arranged, namely a bedside extension 1, a bedside extension 2 and a bedside extension 3, three groups of bedside beacons are correspondingly arranged, namely a bedside beacon 1, a bedside beacon 2 and a bedside beacon 3, three groups of medical equipment are correspondingly arranged, namely medical equipment 1, medical equipment 2 and medical equipment 3, the waiting time of measurement data is set to be T, and the value of the set T is set to be 1 minute.
In order to solve the problem of false scanning, the work flow of setting the bedside beacon is as follows:
if the NFC tag is not scanned, the head-of-bed beacon is always in a state of waiting to scan the NFC tag; if the NFC tag is scanned, the bedside beacon uploads scanning data to the server side through the bedside extension; then, the bedside beacon is in a state of waiting for receiving the measurement data, and if the measurement data is received, the bedside beacon uploads the measurement data to the server through the bedside extension, and if the measurement data is not received, the bedside beacon exits overtime.
The workflow of the setting server is as follows:
firstly, the server receives scanning data from the bedside extension 1 and waits for measurement data of the bedside beacon 1; then, if the server side does not receive any data within 1 minute, the server side enters a timeout exit state, if the server side receives the measurement data of the head of a bed beacon 1 within 1 minute, the server side processes the measurement data, if the server side does not receive the measurement data of the head of a bed beacon 1, but receives the measurement data of the head of a bed beacon 2, the server side notifies the head of a bed beacon 1 to turn off the Bluetooth receiving and transmitting function, and waits for receiving the measurement data of the head of a bed beacon 2.
By setting the workflow of the bedside beacon and the workflow of the server end, the technical problem of false scanning can be effectively solved, and when the physical sign of a patient is not required to be measured, if the NFC scanning module on the bedside beacon is carelessly made to scan the NFC label on the medical equipment, the patient only needs to wait for 1 minute, and the bedside beacon returns to a state of waiting for scanning the NFC label; before physical sign measurement is performed on a patient on a sickbed 2, if the bedside beacon 1 is accidentally scanned to an NFC label on medical equipment and the interval time does not exceed 1 minute, the server side notifies the bedside beacon 1 to close the Bluetooth receiving and transmitting function and waits for receiving measurement data of the bedside beacon 2.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.

Claims (3)

1. Medical care system with data acquisition transmission function based on internet of things, its characterized in that: the hospital bed comprises a bedside extension, a bedside beacon, medical equipment and a server, wherein a plurality of groups of the bedside extensions are arranged at the bedside of a plurality of hospital beds, a plurality of groups of the bedside beacons are arranged at the bedside of the plurality of hospital beds, the bedside beacons are connected with the bedside extensions, a plurality of groups of the medical equipment are used for collecting physical sign data of patients, the hospital beds, the bedside extensions, the bedside beacons and the medical equipment are in one-to-one correspondence, and the server is in wireless connection with the bedside extensions; a Bluetooth communication module I and an NFC scanning module are arranged in the bedside beacon, and a disease area number and a bed number are arranged in the bedside beacon; the medical equipment is provided with an NFC tag, the NFC tag is provided with an ID number, the medical equipment is internally provided with a Bluetooth communication module II, and the waiting time of measurement data is set to be T;
before use, the server binds an ID number corresponding to the NFC tag on the medical equipment with the MAC address of the Bluetooth communication module II of the medical equipment;
the NFC scanning module is used for scanning NFC labels on medical equipment to acquire ID numbers of the NFC labels, the bedside beacon sends the scanned ID numbers of the NFC labels, the ward numbers and the bed numbers to the bedside extension, the bedside extension sends the scanned ID numbers of the NFC labels, the ward numbers and the bed numbers to the server, the server receives the scanned ID numbers of the NFC labels, the ward numbers and the bed numbers, and the Bluetooth communication module II sends physical sign data of a patient and the MAC address of the Bluetooth communication module II in a broadcasting mode;
in use, the workflow of setting up the head of a bed beacons is as follows:
if the NFC tag is not scanned, the head-of-bed beacon is always in a state of waiting to scan the NFC tag; if the NFC tag is scanned, the bedside beacon uploads scanning data to the server side through the bedside extension; the bedside beacon is in a state of waiting for receiving the measurement data, if the measurement data is received, the bedside beacon uploads the measurement data to the server through the bedside extension, and if the measurement data is not received, the bedside beacon exits overtime;
the workflow of the setting server is as follows:
the server receives the scanning data from the bedside extension and waits for the measuring data of the bedside beacon corresponding to the bedside extension;
in the time period, if the server end does not receive any data, the server end enters a overtime exit state, and in the time period, if the server end receives the measurement data of the bedside beacon corresponding to the bedside extension, the server end processes the measurement data, and if the server end does not receive the measurement data of the bedside beacon corresponding to the bedside extension, but receives the measurement data of the bedside beacons corresponding to other bedside extensions, the server end notifies the bedside beacon corresponding to the bedside extension to close a Bluetooth receiving and transmitting function and waits for receiving the measurement data of the bedside beacons corresponding to other bedside extensions.
2. The medical care system with data acquisition and transmission function based on the internet of things technology according to claim 1, wherein: the Bluetooth communication module is used for receiving physical sign data of a patient and the MAC address of the Bluetooth communication module II and sending the physical sign data of the patient and the MAC address of the Bluetooth communication module II to the bedside beacon, the bedside beacon is used for sending the physical sign data of the patient and the MAC address of the Bluetooth communication module II to the bedside extension, the bedside extension is used for converting the physical sign data of the patient into 300×300 original images, the bedside extension is internally provided with a segmentation rearrangement unit, the bedside extension is used for sending the 300×300 original images to the segmentation rearrangement unit, and the segmentation rearrangement unit is used for receiving the 300×300 original images and realizing the following steps:
presetting a key Ka and a key Kb;
dividing the 300×300 original image into b×b target blocks
Figure QLYQS_1
Obtaining the target square set->
Figure QLYQS_2
Wherein->
Figure QLYQS_3
A is the target square->
Figure QLYQS_4
The calculation formula of a is: />
Figure QLYQS_5
；
According to the key Ka, the target square in the target square set SQ is subjected to
Figure QLYQS_6
Reordering to obtain a reordered block set
Figure QLYQS_7
；
For each rearranged block
Figure QLYQS_11
Dividing again into four adjacent blocks which are equal in size and are not overlapped with each other +.>
Figure QLYQS_13
，
Figure QLYQS_16
Obtaining each rearranged block->
Figure QLYQS_10
Is a set of adjacent blocks of (a)
Figure QLYQS_14
Wherein adjacent blocks->
Figure QLYQS_18
At the rearrangement square->
Figure QLYQS_20
Upper left corner of (2) adjacent square +.>
Figure QLYQS_8
At the rearrangement square->
Figure QLYQS_15
Right upper corner of (2) adjacent square +.>
Figure QLYQS_17
At the rearrangement square->
Figure QLYQS_19
Lower left corner of (2) adjacent square->
Figure QLYQS_9
At the rearrangement square->
Figure QLYQS_12
Is the lower right corner of (2);
for a set of adjacent blocks based on the key kb
Figure QLYQS_21
Adjacent blocks->
Figure QLYQS_22
Reordered to obtain a reordered set of adjacent blocks +.>
Figure QLYQS_23
And each rearranged adjacent block set
Figure QLYQS_24
；
Merging all rearranged adjacent blocks
Figure QLYQS_25
Obtaining a 300×300 encrypted image;
and the bedside extension sends the 300 multiplied by 300 encrypted image and the MAC address of the Bluetooth communication module II to the server side.
3. The medical care system with data acquisition and transmission function based on the internet of things technology as set forth in claim 2, wherein: the server side receives the 300×300 encrypted image and the MAC address of the second Bluetooth communication module, the server side is provided with a splicing repair unit, the server side sends the 300×300 encrypted image to the splicing repair unit, and the splicing repair unit is used for receiving the 300×300 encrypted image and realizing the following steps:
determination of
Figure QLYQS_26
The positions of the upper left corner FL, the upper right corner FR, the lower left corner DL and the lower right corner DR are set to be the position coefficients corresponding to the upper left corner FL, the upper right corner FR, the lower left corner DL and the lower right corner DR>
Figure QLYQS_27
，/>
Figure QLYQS_28
，
Figure QLYQS_29
And->
Figure QLYQS_30
；
In the method, in the process of the invention,
Figure QLYQS_31
，/>
Figure QLYQS_32
；
based on position coefficients and reordering neighboring blocks
Figure QLYQS_33
Obtaining the intensity coefficient
Figure QLYQS_34
And->
Figure QLYQS_35
，/>
Figure QLYQS_36
；
And obtaining a repair splice error value between the left upper corner FL and the right upper corner FR and a repair splice error value between the left lower corner DL and the right lower corner DR according to the intensity coefficient and the position coefficient, wherein the calculation formula of the repair splice error value between the left upper corner FL and the right upper corner FR is as follows:
Figure QLYQS_37
；
the calculation formula of the repair splice error value between the lower left corner DL and the lower right corner DR is:
Figure QLYQS_38
；
the 300×300 encrypted image is restored according to the restoration splice error value between the upper left corner FL and the upper right corner FR and the restoration splice error value between the lower left corner DL and the lower right corner DR to restore to the 300×300 original image.
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