CN114272035B - Old man guardianship equipment based on wireless sensor network - Google Patents
Old man guardianship equipment based on wireless sensor network Download PDFInfo
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- CN114272035B CN114272035B CN202111658916.2A CN202111658916A CN114272035B CN 114272035 B CN114272035 B CN 114272035B CN 202111658916 A CN202111658916 A CN 202111658916A CN 114272035 B CN114272035 B CN 114272035B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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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 an old man monitoring device based on a wireless sensor network, which comprises a sickbed, wherein one end of the top of the sickbed is provided with a mounting groove, one end of the inner wall of the mounting groove is connected with a backrest plate through a pin shaft, two ends of the bottom of the backrest plate are provided with buffer components, one side of the mounting groove is provided with a first through hole, one side of the bottom of the sickbed is fixedly connected with a fixed frame, the bottom corner of the fixed frame is provided with a second through hole, the bottom of the backrest plate is fixedly connected with an arc-shaped rack penetrating through the first through hole and the second through hole, and a driving gear and a first driven gear which are meshed are connected between the inner walls of two sides of the fixed frame through pin shafts. According to the invention, the backrest plate is pressed into the mounting groove by the weight of a human body, so that the arc-shaped rack rotates, and the rotation mounting frame and the monitoring equipment body are driven to rotate by the meshing action of the arc-shaped rack, the first driven gear and the driving gear, so that the monitoring equipment body is horizontally placed above the serious aged, and the monitoring is convenient.
Description
Technical Field
The invention relates to the technical field of old man monitoring, in particular to an old man monitoring device based on a wireless sensor network.
Background
With the acceleration of the aged society, more and more aged people, especially empty-nest aged or aged patients with occasional illness, need to be monitored for almost 24 hours without interruption, and the social trend of minority and occupational is caused to not have enough manpower to pay attention to the aged people. Under the background that intelligent equipment is gradually popularized and the Internet of things is rapidly developed, intelligent monitoring by using more diversified and miniaturized sensors is a feasible solution. By means of the intelligent monitoring system, various behavior information of the monitored object in a room can be analyzed and utilized in time, for example, an alarm can be given for abnormal events such as falling of old people, breaking of objects, help-seeking shouting and the like, daily behavior time points can be mined to obtain a behavior mode for guiding work and rest, judging whether a behavior main body is abnormal or not, and whether the old people are silently away or not is not required to be judged after long-time activities.
Through retrieving, chinese patent grant number CN 209186682U's patent discloses a wearable guardian device, wearable guardian device includes equipment main part, support and bandage, equipment main part includes main part and monitoring element, monitoring element assemble in the main part for monitor human physiological condition, support detachably assemble in the main part, the support includes support main part and at least one spacing arm, spacing arm with form the centre gripping space between the support main part, be equipped with on the spacing arm with the breach of centre gripping space intercommunication. The above patents have the following disadvantages: for the elderly people with serious illness, the wearable monitoring device is required to carry additional equipment, which often causes burden to the elderly people, so the wireless sensor network-based elderly monitoring device is continuously designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an aged monitoring device based on a wireless sensor network.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an old man guardianship equipment based on wireless sensor network, includes the sick bed, open at the top one end of sick bed has the mounting groove, and the inner wall one end of mounting groove has the back board through the round pin hub connection, and the bottom both ends of back board are provided with buffer assembly, open one side of mounting groove has first through-hole, and the fixed frame of bottom one side fixedly connected with of sick bed, and open the bottom corner of fixed frame has the second through-hole, the bottom fixedly connected with of back board passes the arc rack of first through-hole and second through-hole, there is engaged with driving gear and first driven gear through the round pin hub connection between the both sides inner wall of fixed frame, and one side of driving gear meshes with one side of arc rack, and the both ends fixedly connected with rotation mount frame of first driven gear, and open at the top one end of rotation mount frame has put to hold the groove, and the guardian equipment body has been placed to the inner wall of putting the groove, and one side of guardian equipment body is provided with clamping structure.
Preferably, the buffering subassembly is including seting up the horizontal groove in mounting groove bottom inner wall both sides, and the inner wall fixedly connected with horizontal frame of horizontal groove, and the equal sliding connection of inner wall of horizontal frame has the sliding seat, and the hinge groove has all been opened at the top corner of sliding seat, articulates between the inner wall in hinge groove all and the bottom of back board has the movable rod, fixedly connected with first spring between the one end of sliding seat and the one end inner wall of horizontal frame, and the bottom both sides of back board all bond there is the buffering cushion.
Preferably, the four corners of the sickbed near the top of the middle position are provided with inlets and outlets, the inner walls of two adjacent inlets and outlets are inserted with the same U-shaped protection frame, a transmission assembly is arranged between one side of the protection frame and one end of two sides of the back plate, a connecting plate is fixedly connected between the bottoms of the inner walls of the two sides of the protection frame, and a second spring is fixedly connected between the top of the connecting plate and the bottom of the sickbed.
Preferably, the transmission assembly comprises a transmission rod connected to two ends of the rotating part of the back plate through a pin shaft, one side of the middle position of the bottom of the sickbed is fixedly connected with a mounting sleeve, the inner wall of the mounting sleeve is connected with a transmission shaft through a bearing, two ends of the transmission shaft are fixedly connected with a transmission wheel with one end of the transmission rod, the outer wall of the transmission wheel is in transmission connection with a transmission belt, two sides of the outer wall of the transmission shaft are fixedly connected with second driven gears, one side of the protection frame is provided with tooth grooves distributed at equal intervals, and one side of each tooth groove is meshed with one side of each second driven gear.
Preferably, the clamping structure comprises two fixing seats fixedly connected to the top of the rotary mounting frame, a guide rod is fixedly connected to the opposite sides of the fixing seats, a movable frame is sleeved on the outer wall of the guide rod, a handle frame is fixedly connected to the top of the movable frame, a third spring sleeved on the outer wall of the guide rod is fixedly connected to one side of the movable frame and one side of one of the fixing seats, positioning plates are fixedly connected to the two ends of the movable frame and are attached to the outer wall of the monitoring equipment body, a baffle is fixedly connected to one side of the accommodating groove, and the baffle is attached to one side of the monitoring equipment body.
Preferably, the protection pad is adhered to the inner wall of one end of the top of the fixed frame, one side of the protection pad is attached to one side of the rotary mounting frame, and the protection pad and the buffer rubber pad are made of rubber.
Preferably, the bottom both ends of sick bed all fixedly connected with supporting leg, and the bottom both ends of supporting leg all fixedly connected with universal wheel, the top one end fixedly connected with guard plate of sick bed.
Preferably, the fixed seat, the guide rod and the third spring are replaced by a base plate fixedly connected to one side of the top of the rotary mounting frame, an electric push rod is fixedly connected to one side of the base plate, and the piston end of the electric push rod is fixedly connected with one side of the movable frame.
The beneficial effects of the invention are as follows:
1. according to the invention, the monitoring equipment based on the wireless sensor network is placed in the accommodating groove through the backrest plate, the buffer assembly, the clamping structure and the monitoring equipment body which are arranged on the sickbed, the positioning plate is stuck on the outer wall of the monitoring equipment body by utilizing the action of the third spring in the clamping structure, so that the detachable installation treatment of the monitoring equipment body is facilitated, when the serious aged is laid on the sickbed, the backrest plate can be pressed to the inner wall in the installation groove by utilizing the self weight of a human body, the buffer treatment of the backrest plate is performed by utilizing the first spring and the movable rod in the buffer assembly, the rotation speed of the backrest plate is reduced, and the problem of head injury of the aged caused by the too high rotation speed of the backrest plate is avoided.
2. According to the invention, through the arc-shaped rack, the rotary mounting frame and the monitoring equipment body, when the back plate enters the mounting groove, the arc-shaped rack and the back plate synchronously rotate, the rotary mounting frame and the monitoring equipment body can be driven to rotate by utilizing the meshing action of the arc-shaped rack, the first driven gear and the driving gear, so that the monitoring equipment body is horizontally arranged above the serious aged, the monitoring equipment body is convenient for monitoring the aged, when the aged is up, the back plate can be driven to rotate by the reset action of the first spring, and the rotary mounting frame and the monitoring equipment body are driven to rotate reversely by utilizing the meshing action of the driving gear and the first driven gear, so that the rotary mounting frame and the monitoring equipment body are separated from the top of a sickbed, and the serious aged can be conveniently stood up.
3. According to the invention, through the arranged protective frame and the transmission assembly, when the back plate is folded into the mounting groove, the transmission rod, the transmission wheel and the transmission belt can be driven to synchronously rotate, the transmission shaft and the second driven gear are driven to rotate, and the height of the protective frame is adjusted by utilizing the meshing action of the second driven gear and the tooth slot, so that the protective frame is unfolded at two sides of a sickbed, and the anti-falling treatment of the old with serious symptoms is facilitated.
Drawings
Fig. 1 is a schematic diagram of an overall portable device for monitoring the elderly based on a wireless sensor network according to the present invention;
fig. 2 is a schematic structural diagram of a driving gear and a first driven gear of an elder monitoring device based on a wireless sensor network;
fig. 3 is a schematic diagram of a tooth socket and a second driven gear of an old man monitoring device based on a wireless sensor network;
fig. 4 is a schematic diagram of a first port and a transverse slot of an elder monitoring device based on a wireless sensor network according to the present invention;
fig. 5 is a schematic diagram of a protection pad and a second port structure of an elder monitoring device based on a wireless sensor network according to the present invention;
fig. 6 is a schematic diagram of a receiving slot and a positioning plate structure of an elder monitoring device based on a wireless sensor network according to the present invention;
fig. 7 is a schematic structural diagram of an electric push rod in embodiment 2 of an elder monitoring device based on a wireless sensor network according to the present invention.
In the figure: 1. a hospital bed; 2. a backing plate; 3. a monitoring device body; 4. rotating the mounting frame; 5. a fixed frame; 6. a mounting groove; 7. an arc-shaped rack; 8. a movable rod; 9. a transmission belt; 10. a second spring; 11. a protective frame; 12. support legs; 13. a protection plate; 14. a transverse frame; 15. a drive gear; 16. a first driven gear; 17. a first spring; 18. buffering rubber cushion; 19. a first port; 20. a connecting plate; 21. tooth slots; 22. a transmission shaft; 23. a mounting sleeve; 24. a second driven gear; 25. a transverse groove; 26. a protective pad; 27. an inlet and an outlet; 28. a second port; 29. a receiving groove; 30. a baffle; 31. a guide rod; 32. a third spring; 33. a handle frame; 34. a movable frame; 35. a positioning plate; 36. an electric push rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Embodiment 1, refer to fig. 1-6, an old man's guardian equipment based on wireless sensor network, including sick bed 1, install mounting groove 6 is opened to the top one end of sick bed 1, and the inner wall one end of mounting groove 6 has back board 2 through the round pin hub connection, the bottom both ends of back board 2 are provided with buffer assembly, open one side of mounting groove 6 has first through-hole 19, and bottom one side of sick bed 1 has fixed frame 5 through bolted connection, open the bottom corner of fixed frame 5 has second through-hole 28, the bottom of back board 2 has arc rack 7 through bolted connection through passing first through-hole 19 and second through-hole 28, there are engaged with driving gear 15 and first driven gear 16 through the round pin hub connection between the both sides inner wall of fixed frame 5, and one side of driving gear 15 meshes with one side of arc rack 7, there is rotatory mounting bracket 4 at the both ends of first driven gear 16 through bolted connection, open at the top one end of rotatory mounting bracket 4 has put a groove 29, the inner wall of putting a groove 29 has placed guardian equipment body 3, one side of guardian equipment body 3 is provided with the clamping structure, when the severe patient lies on 1 on the back board, can utilize back board 2 to press the arc rack 7 to carry out rotatory and make the old man's side of the equipment 2 to carry out the rotation with the arc rack 3, make the rotatory and the old man to carry out the side of the device 2 to take care of the opposite the people, the person is convenient for the person and the person is processed in the arc rack 3, and the human body is driven by the rotation to take care of the device 2, and the human body is driven by the human body and the human body is processed by the human body and the human body is.
Further, buffer assembly is including seting up the cross slot 25 in mounting groove 6 bottom inner wall both sides, and the inner wall of cross slot 25 has cross frame 14 through bolted connection, the equal sliding connection of inner wall of cross frame 14 has the sliding seat, the hinge groove has all been opened at the top corner of sliding seat, hinge there is movable rod 8 between the inner wall in hinge groove all and the bottom of back board 2, there is first spring 17 through bolted connection between the one end inner wall of sliding seat and cross frame 14, the bottom both sides of back board 2 all bond the cushion rubber pad 18, utilize first spring 17 in the buffer assembly and movable rod 8 to carry out the buffering of back board 2, reduce back board 2 rotation speed, avoid back board 2 rotation speed too fast cause the injured problem of old man's head to appear.
Further, the four corners of the top of the sickbed 1, which is close to the middle position, are respectively provided with an inlet and an outlet 27, the inner walls of the two adjacent inlets and outlets 27 are inserted with the same U-shaped protection frame 11, a transmission assembly is arranged between one side of the protection frame 11 and one ends of two sides of the backrest plate 2, a connecting plate 20 is welded between the bottoms of the inner walls of the two sides of the protection frame 11, a second spring 10 is connected between the top of the connecting plate 20 and the bottom of the sickbed 1 through bolts, when the backrest plate 2 is folded into the mounting groove 6, a transmission rod, a transmission wheel and a transmission belt 9 can be driven to synchronously rotate, a transmission shaft 22 and a second driven gear 24 are driven to rotate, and the height of the protection frame 11 is adjusted by utilizing the meshing effect of the second driven gear 24 and the tooth grooves 21, so that the protection frame 11 is unfolded on two sides of the sickbed 1, and the sickbed 1 is convenient for the elder to prevent falling.
Further, the drive assembly includes the transfer line through the round pin hub connection in back board 2 rotation department both ends, and there is installation cover 23 bottom intermediate position one side through bolted connection, the inner wall of installation cover 23 is connected with transmission shaft 22 through the bearing, the both ends of transmission shaft 22 all have the drive wheel through bolted connection with the one end of transfer line, the outer wall transmission of drive wheel is connected with drive belt 9, the outer wall both sides of transmission shaft 22 all have second driven gear 24 through bolted connection, and one side of protection frame 11 all opens the tooth's socket 21 that has equidistantly to distribute, one side of tooth's socket 21 meshes with one side of second driven gear 24.
Further, the clamping structure includes two fixing bases welded at the top of the rotary mounting frame 4, and the guide rod 31 is welded between opposite sides of the fixing bases, the movable frame 34 is sleeved on the outer wall of the guide rod 31, the handle frame 33 is welded at the top of the movable frame 34, the third spring 32 sleeved on the outer wall of the guide rod 31 is welded between one side of the movable frame 34 and one side of one fixing base, the positioning plates 35 are welded at two ends of the movable frame 34, the positioning plates 35 are attached to the outer wall of the monitoring equipment body 3, the baffle 30 is attached to one side of the monitoring equipment body 3 through the bolts, the positioning plates 35 are attached to the outer wall of the monitoring equipment body 3 through the action of the third spring 32 in the clamping structure, and detachable installation treatment of the monitoring equipment body 3 is facilitated.
Further, the inner wall of one end of the top of the fixed frame 5 is adhered with a protection pad 26, one side of the protection pad 26 is attached to one side of the rotary mounting frame 4, and the protection pad 26 and the buffer rubber pad 18 are made of rubber.
Further, the two ends of the bottom of the sickbed 1 are connected with supporting legs 12 through bolts, the two ends of the bottom of the supporting legs 12 are connected with universal wheels through bolts, and one end of the top of the sickbed 1 is connected with a protection plate 13 through bolts.
The working principle of the embodiment is as follows: the monitoring equipment based on the wireless sensor network is placed in the accommodating groove 29, the positioning plate 35 is clamped and stuck on the outer wall of the monitoring equipment body 3 by utilizing the action of the third spring 32 in the clamping structure, so that the monitoring equipment body 3 can be conveniently and detachably installed, when the serious patient is lying on the sickbed 1, the backrest plate 2 can be pressed to the inner wall in the installing groove 6 by the self weight of a human body, the buffering treatment of the backrest plate 2 is performed by utilizing the first spring 17 and the movable rod 8 in the buffering assembly, the rotating speed of the backrest plate 2 is reduced, the problem that the head of the elderly is injured due to the too high rotating speed of the backrest plate 2 is avoided, when the backrest plate 2 enters the installing groove 6, the arc-shaped rack 7 and the backrest plate 2 synchronously rotate, the rotating installation frame 4 and the monitoring equipment body 3 can be driven to rotate by the meshing action of the arc-shaped rack 7, the first driven gear 16 and the driving gear 15, the monitoring equipment body 3 is horizontally placed above the serious aged, the monitoring treatment is convenient for the aged, when the aged is up, the backrest plate 2 is driven to rotate through the reset action of the first spring 17, the rotary mounting frame 4 and the monitoring equipment body 3 are driven to rotate reversely through the meshing action of the driving gear 15 and the first driven gear 16, the rotary mounting frame 4 and the monitoring equipment body 3 are separated from the top of the sickbed 1, the serious aged is convenient to stand up, when the backrest plate 2 is folded into the mounting groove 6, the transmission rod, the transmission wheel and the transmission belt 9 can be driven to synchronously rotate, the transmission shaft 22 and the second driven gear 24 are driven to rotate, the height of the protective frame 11 is regulated through the meshing action of the second driven gear 24 and the tooth grooves 21, the protective frame 11 is unfolded on two sides of the sickbed 1, is convenient for the anti-falling treatment of the elderly with serious symptoms.
The working principle of the embodiment is as follows: when the monitoring equipment body 3 is installed, the positions of the movable frame 34 and the positioning plate 35 can be directly adjusted through the electric push rod 36, so that the positioning plate 35 is clamped on the outer wall of the monitoring equipment body 3, and an automatic clamping effect is formed conveniently.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides an old man's guardianship equipment based on wireless sensor network, includes sick bed (1), its characterized in that, arc rack (7) that top one end of sick bed (1) was opened has mounting groove (6), and there is back board (2) inner wall one end of mounting groove (6) through the round pin hub connection, and the bottom both ends of back board (2) are provided with buffer assembly, first through-hole (19) are opened to one side of mounting groove (6), and bottom one side fixedly connected with fixed frame (5) of sick bed (1), and open at the bottom corner of fixed frame (5) has second through-hole (28), and arc rack (7) that pass first through-hole (19) and second through-hole (28) are connected with through the round pin hub connection between the both sides inner wall of fixed frame (5), and there are meshed driving gear (15) and first driven gear (16) between the inner wall of both sides of driving gear (15) and one side of arc rack (7), and the both ends fixedly connected with rotation mounting bracket (4) of first driven gear (16), and rotation bracket (29) are opened at one side of rotation bracket (4) bottom one end, and one side of rotation bracket (29) have one side of holding bracket (29) and holding down device (3) and holding down device when the old man's equipment is placed on one side of the ward side (3) of the equipment of the intensive care department equipment (1, the utility model provides a can utilize human self weight to press back board (2) to the inner wall in mounting groove (6), when back board (2) get into in mounting groove (6), make arc rack (7) and back board (2) carry out synchronous revolution, the meshing effect of usable arc rack (7), first driven gear (16) and driving gear (15) drives rotatory mounting bracket (4) and guardian's equipment body (3) and carries out rotatory processing, make guardian equipment body (3) keep flat in the top of severe old man, buffer unit is including seting up transverse groove (25) in mounting groove (6) bottom inner wall both sides, and inner wall fixedly connected with transverse frame (14) of transverse groove (25), the equal sliding connection of inner wall of transverse frame (14) has the sliding seat, hinge joint groove has all been opened at the top corner of sliding seat, hinge joint has movable rod (8) between the inner wall of hinge joint groove all and the bottom of back board (2), fixedly connected with first spring (17) between the one end of sliding seat and the inner wall of transverse frame (14), cushion (18) have in the bottom of both sides back board (2) bonding.
2. The elder monitoring device based on the wireless sensor network according to claim 1, wherein the four corners of the top of the sickbed (1) close to the middle position are provided with inlets and outlets (27), the inner walls of two adjacent inlets and outlets (27) are connected with the same U-shaped protection frame (11) in an inserted mode, a transmission assembly is arranged between one side of the protection frame (11) and one end of two sides of the back rest plate (2), a connecting plate (20) is fixedly connected between the bottoms of the inner walls of two sides of the protection frame (11), and a second spring (10) is fixedly connected between the top of the connecting plate (20) and the bottom of the sickbed (1).
3. The elder monitoring device based on the wireless sensor network according to claim 2, wherein the transmission assembly comprises a transmission rod connected to two ends of the rotation part of the back plate (2) through a pin shaft, one side of the middle position of the bottom of the sickbed (1) is fixedly connected with a mounting sleeve (23), the inner wall of the mounting sleeve (23) is connected with a transmission shaft (22) through a bearing, two ends of the transmission shaft (22) are fixedly connected with a transmission wheel with one end of the transmission rod, the outer wall of the transmission wheel is in transmission connection with a transmission belt (9), two sides of the outer wall of the transmission shaft (22) are fixedly connected with second driven gears (24), tooth grooves (21) distributed at equal distances are formed in one side of the protection frame (11), and one side of each tooth groove (21) is meshed with one side of each second driven gear (24).
4. The elder monitoring device based on the wireless sensor network according to claim 3, wherein the clamping structure comprises two fixing seats fixedly connected to the top of the rotary mounting frame (4), guide rods (31) are fixedly connected between opposite sides of the fixing seats, movable frames (34) are sleeved on the outer walls of the guide rods (31), handle frames (33) are fixedly connected to the tops of the movable frames (34), third springs (32) sleeved on the outer walls of the guide rods (31) are fixedly connected between one sides of the movable frames (34) and one side of one of the fixing seats, positioning plates (35) are fixedly connected to two ends of the movable frames (34), the positioning plates (35) are attached to the outer walls of the monitoring device body (3), baffles (30) are fixedly connected to one sides of the accommodating grooves (29), and the baffles (30) are attached to one side of the monitoring device body (3).
5. The elder monitoring device based on the wireless sensor network according to claim 4, wherein a protection pad (26) is adhered to the inner wall of one end of the top of the fixed frame (5), one side of the protection pad (26) is adhered to one side of the rotary mounting frame (4), and both the protection pad (26) and the buffer rubber pad (18) are made of rubber.
6. The elder monitoring device based on the wireless sensor network according to any one of claims 1-5, wherein the two ends of the bottom of the sickbed (1) are fixedly connected with supporting legs (12), the two ends of the bottom of the supporting legs (12) are fixedly connected with universal wheels, and one end of the top of the sickbed (1) is fixedly connected with a protection plate (13).
7. The elder monitoring device based on the wireless sensor network according to claim 4, wherein the fixed seat, the guide rod (31) and the third spring (32) are replaced by a base plate fixedly connected to one side of the top of the rotary mounting frame (4), an electric push rod (36) is fixedly connected to one side of the base plate, and a piston end of the electric push rod (36) is fixedly connected to one side of the movable frame (34).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658916.2A CN114272035B (en) | 2021-12-31 | 2021-12-31 | Old man guardianship equipment based on wireless sensor network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658916.2A CN114272035B (en) | 2021-12-31 | 2021-12-31 | Old man guardianship equipment based on wireless sensor network |
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| CN114272035A CN114272035A (en) | 2022-04-05 |
| CN114272035B true CN114272035B (en) | 2023-06-20 |
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| CN210872585U (en) * | 2018-05-31 | 2020-06-30 | 金陵科技学院 | Auxiliary bed |
| CN111419572A (en) * | 2020-04-16 | 2020-07-17 | 李硕 | Emergency department is with sick bed of ambulance about being convenient for |
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| CN215193079U (en) * | 2021-01-21 | 2021-12-17 | 郭君华 | Nephrology department is with multi-functional sick bed that makes things convenient for patient to stand up |
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