CN102028592B - Internet of things (IOT)-based bed wireless sensing device - Google Patents
Internet of things (IOT)-based bed wireless sensing device Download PDFInfo
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- CN102028592B CN102028592B CN 201110004439 CN201110004439A CN102028592B CN 102028592 B CN102028592 B CN 102028592B CN 201110004439 CN201110004439 CN 201110004439 CN 201110004439 A CN201110004439 A CN 201110004439A CN 102028592 B CN102028592 B CN 102028592B
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Abstract
The invention relates to an Internet of things (IOT)-based bed wireless sensing device, which comprises a bed pressure sensor for detecting bed weight, wherein the output end of the bed pressure sensor is connected with a signal acquisition and processing module, and the signal acquisition and processing module acquires and processes the bed weight signal detected by the bed pressure sensor and then wirelessly transmits the processed signal to a bed management device of the IOT; and when the bed weight signal detected by the bed pressure sensor is lower than a set weight range and exceeds a set time length, the bed management device of the IOT outputs a bed alarm signal. When the bed weight information input to the bed management device of the IOT is lower than the set range for long time, the bed management device of the IOT outputs the alarm signal so as to avoid unmanned supervision when a person on the bed leaves for long time and an accident happens, improve the monitoring operability and improve the bed monitoring reliability; and the device has simple structure and is convenient to install and use.
Description
Technical field
The present invention relates to a kind of berth wireless sensing device, especially a kind of berth wireless sensing device based on Internet of Things specifically is exactly a kind of berth monitoring based on Internet of Things and the device of management, belongs to the technical field of Internet of Things.
Background technology
At present in the welfare home and hospital of numerous domestic; in for bed old man and home-bound patient's nursing; often some accidents can occur; patient is not having nursing staff's situation on the scene; ambulation without authorization; cause falling; traumatic injury etc. accident; especially visit the restroom night; after falling down in short-term the nursing staff can't know; thereby cause thunder bolt, this welfare home and hospital and other field are not all had suitable technical solution at present, can not carry out emergent management to above-mentioned thunder bolt.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of berth wireless sensing device based on Internet of Things is provided, it is simple in structure, and is easy to install, has improved the operability of monitoring, and automaticity is high, and is safe and reliable.
According to technical scheme provided by the invention, described berth wireless sensing device based on Internet of Things, comprise the berth pressure transducer for detection of berth weight, the outfan of described berth pressure transducer links to each other with processing module with signals collecting, the berth weight signal collection that described signals collecting and processing module detect the berth pressure transducer with process after be wirelessly transmitted to the bed management device of Internet of Things; When the berth weight signal of berth pressure transducer detection is lower than the weight range of setting and surpasses setting-up time length, the bed management device output berth alarm signal of Internet of Things.
Described signals collecting links to each other with the first wireless signal transmission module with the outfan of processing module, and described the first wireless signal transmission module is by the second antenna wireless connections of the first antenna and the second wireless signal transmission module; The outfan of the second wireless signal transmission module links to each other with the bed management device of Internet of Things.
Described signals collecting and processing module comprise ADC modular converter and single-chip microcomputer; The input of described single-chip microcomputer links to each other with the berth pressure transducer by the ADC modular converter.Bed management device and the internet link block of described Internet of Things interconnect.
Described berth pressure transducer comprises housing, and the bottom of described housing is installed with elastomer, forms the sensor pedestal between described elastomer and housing; Bottom in the elastomer is provided with the pressure sensing spare to the berth weight detecting, and the top of described pressure sensing spare is provided with and is subjected to laminate, and the described laminate that is subjected to is fixedly connected with elastomer; Be subjected to be provided with between laminate and pressure sensing spare the strain cavity.
Described sensor pedestal is provided with feet, and described feet is fixedly installed in elastomeric bottom.Described housing is provided with the equally distributed bolt that installs and fixes.Described housing is cylindrical structure.
Described elastomer fixes by housing set bolt and housing.Described pressure sensing spare is provided with output lead, and described output lead is electrically connected with pressure sensing spare.
Advantage of the present invention: the berth pressure transducer is installed on the cabinet base bottom of berth to be detected, and signals collecting and processing module are used for gathering the berth weight signal of berth pressure transducer output, and convert described berth weight signal to digital signal; Berth weight signal after signals collecting and processing module will be changed is wirelessly transmitted to the bed management device of Internet of Things; When the berth weight information of the bed management device that inputs to Internet of Things is lower than set point for a long time, the bed management device output alarm signal of Internet of Things, thereby avoided on the berth personnel's time departure long and when accident occurring, the generation of no supervision, improved the operability of monitoring, improved the reliability of berth monitoring, simple in structure, easy to install.
Description of drawings
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is the structural representation of berth pressure transducer of the present invention.
Fig. 3 is the top view of Fig. 2.
The specific embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
Such as Fig. 1 ~ shown in Figure 3: the present invention includes berth pressure transducer 1, signals collecting and processing module 2, the first wireless signal transmission module 3, the first antenna 4, the second antenna 5, the second wireless signal transmission module 6, Internet of Things bed management device 7, internet link block 8, housing 9, output lead 10, housing set bolt 11, elastomer 12, feet 13, pressure sensing spare 14, strain cavity 15, be subjected to laminate 16 and install and fix bolt 17.
As shown in Figure 1: at night, for can hospital or the berth of welfare home monitor, avoid the people on the berth contingency to occur, need to berth pressure transducer 1 be installed at berth, described berth pressure transducer 1 is installed on the cabinet base bottom of berth, responds to weight change on the berth by berth pressure transducer 1; When the people on the berth left the bed, the weight of berth will reduce; A berth need to be installed four berth pressure transducers 1, is installed on respectively four cabinet bases of berth, improves the accuracy that detects berth weight.The outfan of berth pressure transducer 1 links to each other with processing module 2 with signals collecting, and described signals collecting and processing module 2 comprise ADC modular converter (analog digital conversion) and single-chip microcomputer; Described ADC modular converter converts the berth weight signal that berth pressure transducer 1 detects to corresponding digital signal, and with described digital data transmission in single-chip microcomputer, encoded accordingly to wait by single-chip microcomputer and export after processing; Described ADC modular converter has different conversion accuracies, selects the ADC modular converter of different accuracy can access different berth weight signal certainties of measurement.Signals collecting links to each other with the first wireless signal transmission module 3 with the outfan of processing module 2, and described the first wireless signal transmission module 3 is provided with the first antenna 4; The first wireless signal transmission module 3 is by the first wireless 4 and second antenna 5 and 6 wireless connections of the second wireless signal transmission module.The second wireless signal transmission module 6 links to each other with the bed management device 7 of Internet of Things, the bed management device 7 of described Internet of Things receives the berth weight signal of signals collecting and processing module 2 transmissions by the second wireless signal transmission module 6, and to the processing of decoding accordingly of described signal; And described berth weight signal compared with the weight signal of setting; When the berth weight signal that receives not in the weight signal scope of setting and current state when lasting till the time of setting, the bed management device 7 output berth alarm signals of Internet of Things, go to check before the prompting related personnel, guarantee in time to carry out respective handling when contingency appears in corresponding berth, reduced the dangerous situation that contingency causes; Do not need professional's real-time monitoring, improved operability, automaticity is high.
A plurality of berths in hospital or the welfare home can be installed berth pressure transducer 1, for detection of the berth weight signal of correspondence; The weight signal of each berth is wirelessly transmitted in the bed management device 7 of Internet of Things by corresponding the first wireless signal transmission module 3, the first antenna 4, the second antenna 5 and the second wireless transport module 6, the bed management device 7 of Internet of Things can be decoded accordingly according to the geocoding of different berths, can avoid the confusion between signal, monitoring and management when realizing a plurality of berth.The bed management device 7 of Internet of Things can be the monitoring system of calculation mechanism one-tenth, is used for many berths are monitored, and realizes the monitoring system based on Internet of Things.
The bed management device 7 of Internet of Things also links to each other with internet link block 8, can realize long-range connection and monitoring by internet link block 8.The transmission frequency that the first wireless signal transmission module 3 and the second wireless signal transmission module are 6 can be 2.4GHz or 433MHz, and wherein, the 2.4GHz frequency is international free citizens' radio band, and 433MHz is domestic free citizens' radio band.
As shown in Figures 2 and 3: be the structural representation of berth pressure transducer 1.Berth pressure transducer 1 comprises housing 9, and described housing 9 is cylindrical shape; The bottom of housing 9 is provided with elastomer 12, and described elastomer 12 fixes by housing set bolt 11 and housing 9; The top of elastomer 12 is provided with groove, and the shape of elastomer 12 is corresponding with the shape of housing 9; Elastomer 12 and 9 formation sensors of housing pedestal.Bottom portion of groove at elastomer 12 is provided with pressure sensing spare 14, and pressure sensing spare 14 is foil gauge or other pressure detecting elements; Described pressure sensing spare 14 is for detection of the pressure of corresponding berth; Pressure sensing spare 14 is provided with the output lead 10 of electrical connection, and the berth weight signal that pressure transducer 14 detects is outwards exported by output lead 10.The top of pressure sensing spare 14 is provided with and is subjected to laminate 16, and the described end of laminate 16 that is subjected to links to each other with elastomer 12, is subjected to 14 of laminate 16 and pressure sensing spares to be provided with strain cavity 15, is used to pressure sensing spare 14 that the space of strain is provided; Linked to each other with the cabinet base of berth by laminate 16.The bottom of sensor pedestal is provided with feet 13, and described feet 13 links to each other with elastomer 12, is convenient to keep the balance of berth by feet 13.Housing 9 be provided with symmetrically distribute install and fix bolt 17, can be with on the fastening cabinet base that is installed in berth of sensor pedestal by installing and fixing bolt 17.
Embodiment one
Such as Fig. 1 ~ shown in Figure 3: during use, pressure sensing spare 14 is positioned on the elastomer 12, be installed on the elastomer 12 by laminate 16, be subjected to 14 of laminate 16 and pressure sensing spares to be provided with strain cavity 15; Again housing 9 is fixedly mounted on and forms berth pressure transducer 1 on the elastomer 12.Bottom with four cabinet bases of berth pressure transducer 1 installation berth.The output lead 10 of berth pressure transducer 1 is connected to signals collecting and processing module 2, and the ADC modular converter of signals collecting and processing module 2 uses 10 sample rates that berth pressure transducer 1 is carried out the collection of berth weight signal; Such 1023 calibration of the resolution of weight change on the berth, maximum weight is made as 250 kilograms on the berth, and the weight scale division value of (weight that contains berth itself) single-chip microcomputer output approximates 0.244 kilogram.During work, the simulation weight signal that signals collecting and processing module 2 will collect is converted to digital signal by the ADC modular converter, behind coding, link to each other with the first wireless signal transmission module 3, the first wireless signal transmission module 3 is through inner modulation, be that the radio wave of 2.4GHz is outwards launched by the first antenna 4 with frequency, the second wireless signal transmission module 6 receives the berth weight digital signal that the first wireless signal transmission module 3 sends by the second antenna 5, and institute's berth weight signal is input in the bed management device 7 of Internet of Things.
Be provided with the wireless interface receiving end of 2.4GHz in the bed management device 7 of Internet of Things, be used for linking to each other with the second wireless signal transmission module 6, receive the berth weight digital signal that sends.The bed management device 7 of Internet of Things is compared the berth weight digital signal that receives with the weight signal that presets corresponding berth, when the berth that receives weighs less than the berth weight of setting, can assert that people on the berth is not on berth; And when berth weight time that weighs less than setting on the berth during greater than the transformation period set, the bed management device 7 of Internet of Things can assert that fortuitous event appears in the people on the berth, the bed management device 7 of Internet of Things can be exported the berth alarm signal, the monitor staff is according to corresponding berth alarm signal, can in time arrive corresponding berth, avoiding occurring on the berth contingency can not in time process, and realizes the purpose of monitoring berth.The bed management device 7 of Internet of Things can also be realized remote monitoring and processing by internet link block 8.
Embodiment two
Such as Fig. 1 ~ shown in Figure 3: during use, pressure sensing spare 14 is positioned on the elastomer 12, be installed on the elastomer 12 by laminate 16, be subjected to 14 of laminate 16 and pressure sensing spares to be provided with strain cavity 15; Again housing 9 is fixedly mounted on and forms berth pressure transducer 1 on the elastomer 12.Bottom with four cabinet bases of berth pressure transducer 1 installation berth.Berth pressure transducer 1 links to each other with processing module 2 with signals collecting, the ADC modular converter of signals collecting and processing module 2 uses 16 sample rates to gather, such 65535 calibration of the resolution of weight change on the berth, maximum weight is made as 250 kilograms on the berth, and the weight scale division value of (weight that contains berth itself) single-chip microcomputer output approximates 3.8 grams.During work, the simulation weight signal that signals collecting and processing module 2 will collect is converted to digital signal by the ADC modular converter, behind coding, link to each other with the first wireless signal transmission module 3, the first wireless signal transmission module 3 is through inner modulation, be that the radio wave of 433MHz is outwards launched by the first antenna 4 with frequency, the second wireless signal transmission module 6 receives the berth weight digital signal that the first wireless signal transmission module 3 sends by the second antenna 5, and institute's berth weight signal is input in the bed management device 7 of Internet of Things.
Be provided with the wireless interface receiving end of 433MHz in the bed management device 7 of Internet of Things, be used for linking to each other with the second wireless signal transmission module 6, receive the berth weight digital signal that sends.The bed management device 7 of Internet of Things is compared the berth weight digital signal that receives with the weight signal that presets corresponding berth, when the berth that receives weighs less than the berth weight of setting, can assert that people on the berth is not on berth; And when berth weight time that weighs less than setting on the berth during greater than the transformation period set, the bed management device 7 of Internet of Things can assert that fortuitous event appears in the people on the berth, the bed management device 7 of Internet of Things can be exported the berth alarm signal, the monitor staff is according to corresponding berth alarm signal, can in time arrive corresponding berth, avoiding occurring on the berth contingency can not in time process, and realizes the purpose of monitoring berth.The bed management device 7 of Internet of Things can also be realized remote monitoring and processing by internet link block 8.
Berth pressure transducer 1 of the present invention is installed on the cabinet base bottom of berth to be detected, and signals collecting and processing module 2 are used for gathering the berth weight signal of berth pressure transducer 1 output, and converts described berth weight signal to digital signal; Berth weight signal after signals collecting and processing module 2 will be changed is wirelessly transmitted to the bed management device 7 of Internet of Things; When the berth weight information of the bed management device 7 that inputs to Internet of Things is lower than set point for a long time, the bed management 7 device output alarm signals of Internet of Things, thereby avoided on the berth personnel's time departure long and when accident occurring, the generation of no supervision, improved the operability of monitoring, improved the reliability of berth monitoring, simple in structure, easy to install.
Claims (8)
1. berth wireless sensing device based on Internet of Things, it is characterized in that: comprise the berth pressure transducer (1) for detection of berth weight, the outfan of described berth pressure transducer (1) links to each other with processing module (2) with signals collecting, the berth weight signal collection that described signals collecting and processing module (2) detect berth pressure transducer (1) with process after be wirelessly transmitted to the bed management device (7) of Internet of Things; When the berth weight signal of berth pressure transducer (1) detection is lower than the weight range of setting and surpasses setting-up time length, bed management device (7) the output berth alarm signal of Internet of Things;
Described signals collecting links to each other with the first wireless signal transmission module (3) with the outfan of processing module (2), and described the first wireless signal transmission module (3) is by second antenna (4) wireless connections of the first antenna (4) with the second wireless signal transmission module (6); The outfan of the second wireless signal transmission module (6) links to each other with the bed management device (7) of Internet of Things;
Described berth pressure transducer (1) comprises housing (9), and the bottom of described housing (9) is installed with elastomer (12), forms the sensor pedestal between described elastomer (12) and housing (9); Bottom in the elastomer (12) is provided with the pressure sensing spare (14) to the berth weight detecting, and the top of described pressure sensing spare (14) is provided with and is subjected to laminate (16), and the described laminate (16) that is subjected to is fixedly connected with elastomer (12); Be subjected to be provided with strain cavity (15) between laminate (16) and pressure sensing spare (14).
2. the berth wireless sensing device based on Internet of Things according to claim 1, it is characterized in that: described signals collecting and processing module (2) comprise ADC modular converter and single-chip microcomputer; The input of described single-chip microcomputer links to each other with berth pressure transducer (1) by the ADC modular converter.
3. the berth wireless sensing device based on Internet of Things according to claim 1 is characterized in that: the bed management device (7) of described Internet of Things interconnects with internet link block (8).
4. the berth wireless sensing device based on Internet of Things according to claim 1, it is characterized in that: described sensor pedestal is provided with feet (13), and described feet (13) is fixedly installed in the bottom of elastomer (12).
5. the berth wireless sensing device based on Internet of Things according to claim 1, it is characterized in that: described housing (9) is provided with the equally distributed bolt (8) that installs and fixes.
6. the berth wireless sensing device based on Internet of Things according to claim 1, it is characterized in that: described housing (9) is cylindrical structure.
7. the berth wireless sensing device based on Internet of Things according to claim 1 is characterized in that: described elastomer (12) fixes by housing set bolt (11) and housing (9).
8. the berth wireless sensing device based on Internet of Things according to claim 1, it is characterized in that: described pressure sensing spare (14) is provided with output lead (10), and described output lead (10) is electrically connected with pressure sensing spare (14).
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103284727B (en) * | 2012-02-23 | 2016-01-27 | 广东乐心医疗电子股份有限公司 | Sleep monitor method and apparatus |
| CN104777525A (en) * | 2014-01-13 | 2015-07-15 | 上海宽带技术及应用工程研究中心 | Method and system for detecting whether person exists on bed based on pressure sensor |
| CN106606349A (en) * | 2015-10-23 | 2017-05-03 | 株式会社安川电机 | Attending device, attending system and attending method |
| CN106606350A (en) * | 2015-10-23 | 2017-05-03 | 株式会社安川电机 | Nursing system and nursing method |
| CN105877759A (en) * | 2016-04-01 | 2016-08-24 | 深圳市前海安测信息技术有限公司 | Off-bed monitoring system and method based on Internet of Things |
| CN106137636B (en) * | 2016-07-19 | 2018-12-04 | 温州宏量机械科技有限公司 | One kind being used for patient feet's bogey |
| CN106384487B (en) * | 2016-11-25 | 2019-07-05 | 重庆工程职业技术学院 | Student bedtime intelligent management system based on Internet of Things |
| CN106530617A (en) * | 2016-12-11 | 2017-03-22 | 陈尔博 | Safety monitoring system for people on hospital bed or nursed bedrid people |
| CN108257351A (en) * | 2016-12-29 | 2018-07-06 | 徐开元 | A kind of alarm for preventing the elderly's falling from bed or tumble |
| CN111312380A (en) * | 2020-02-23 | 2020-06-19 | 河南省肿瘤医院 | Hospital bed configuration monitoring system and monitoring method |
| CN111759613A (en) * | 2020-07-09 | 2020-10-13 | 柳州恒亚机械设备有限公司 | Multifunctional intelligent electric bed control system capable of being remotely controlled |
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Effective date of registration: 20170419 Address after: Pu Si Road in Pukou District of Nanjing City, Jiangsu province 210032 No. 18 Taishan Branch Park Building No. 2 Patentee after: Nanjing Mei Mei Driving Technology Co., Ltd. Address before: 214105 Jiangsu Province, Xishan City, the town of the south of the city of the international electric vehicle area A North building, room, 8, Patentee before: Sun Min |
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Denomination of invention: Bed wireless sensor device based on Internet of things Effective date of registration: 20201230 Granted publication date: 20130417 Pledgee: China Construction Bank Corporation Nanjing Jiangbei new area branch Pledgor: NANJING DONGMEI DRIVE TECHNOLOGY Co.,Ltd. Registration number: Y2020980010292 |
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