CN115901253B - Wireless sensor with power-off protection and reminding functions - Google Patents
Wireless sensor with power-off protection and reminding functions Download PDFInfo
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- CN115901253B CN115901253B CN202211224983.8A CN202211224983A CN115901253B CN 115901253 B CN115901253 B CN 115901253B CN 202211224983 A CN202211224983 A CN 202211224983A CN 115901253 B CN115901253 B CN 115901253B
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- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a wireless sensor with power-off protection and reminding, which comprises a bearing seat, wherein a wireless vibration sensor is arranged on the upper side of the bearing seat, a mounting mechanism is arranged between the wireless vibration sensor and the bearing seat, the mounting mechanism comprises a mounting plate arranged at the upper end of the bearing seat, a connecting seat is fixedly connected to the upper end of the mounting plate close to the rear side, a movable plate is movably connected to the inner side of the connecting seat, four groups of bolts are arranged between the inner part of the periphery of the mounting plate and the bearing seat, an adjusting component is arranged at the front side of the movable plate, and a fixing component is arranged in the movable plate. According to the wireless sensor with power-off protection and reminding functions, the control component, the adjusting component and the fixing component are matched with each other, so that small-amplitude horizontal adjustment is realized, and the wireless vibration sensor can be replaced conveniently in the later period.
Description
Technical Field
The invention relates to the technical field of wireless sensor installation, in particular to a wireless sensor with power-off protection and reminding functions.
Background
The wireless sensor module is packaged in a shell, and when in operation, the wireless sensor module is powered by a battery or a vibration generator to form a wireless sensor network node. The digital signals of the acquisition equipment can be transmitted to a wireless gateway of a monitoring center through a wireless sensor network and directly sent to a computer for analysis and processing. The wireless sensor is used for transmitting, collecting and reminding workers in real time, and the intelligent power-off is carried out by matching with a computer, so that equipment is prevented from being damaged.
Existing wireless vibration sensors are typically required to be installed in locations where the device is clamped to a rotating component, such as: bearing blocks, couplings, etc., are typically mounted by studs, bolt holes, or glue, while mounting is typically required vertically and horizontally, but the surface of the component is not horizontal, so this mounting is inconvenient for later replacement first, and the accuracy of vertical mounting is even lower when mounting components that are not planar.
Disclosure of Invention
The invention mainly aims to provide a wireless sensor with power-off protection and reminding, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a wireless sensor with power-off protection and warning, includes the bearing frame, the upside of bearing frame is provided with wireless vibration sensor, install installation mechanism between wireless vibration sensor and the bearing frame, installation mechanism is including setting up the mounting panel in the bearing frame upper end, the upper end of mounting panel is close to rear side position fixedly connected with connecting seat, the inboard swing joint of connecting seat has the fly leaf, install four sets of bolts between inside all around and the bearing frame of mounting panel, the front side position of fly leaf is provided with adjusting part, the inside of fly leaf is provided with fixed subassembly, the upper end of fly leaf is close to one side position of adjusting part and is provided with control assembly, the upper end of fly leaf is close to one side and is provided with the horizon rule.
Preferably, the adjusting part comprises an adjusting port arranged in the front side of the movable plate, a movable ring is arranged on the inner side of the adjusting port, fixed blocks are fixedly connected to the two ends of the movable ring, movable grooves are formed in the inner walls of the two sides of the adjusting port, corresponding to the positions of the fixed blocks, a threaded rod is movably connected to the inner side of the movable ring, and a first synchronous wheel is fixedly connected to the upper end of the threaded rod.
Preferably, the fixed block and the movable ring are integrally formed, the fixed block is movably clamped with the movable groove, and the threaded rod is in threaded connection with the movable ring.
Preferably, the fixed subassembly is including seting up the first interface in fly leaf central point put, the second interface has been seted up to one side of fly leaf, the upper end of fly leaf corresponds first interface outer lane position fixedly connected with rubber ring, the mounting groove has been seted up to the inside of fly leaf, the inside of mounting groove is provided with two sets of mounting, two sets of one side swing joint of mounting has drive screw, drive screw's front end fixedly connected with first bevel gear, square groove has been seted up to the inside of fly leaf corresponds first bevel gear's position, the upside swing joint of first bevel gear has the second bevel gear, the upper end fixedly connected with rotation wheel carrier of second bevel gear, the lower extreme welding of level bar has first fastener, the lower extreme welding of wireless vibration sensor has the second fastener.
Preferably, the mounting groove is in a convex shape, the fixing pieces are respectively clamped with the first clamping piece and the second clamping piece, the two fixing pieces are in threaded connection with the driving screw, and the driving screw is provided with left and right spiral lines.
Preferably, the first bevel gear is meshed with the second bevel gear, the lower side of the rotating wheel frame extends to the inside of the square groove to be connected with the second bevel gear, and the first clamping piece and the second clamping piece are respectively matched with the second interface and the first interface.
Preferably, the control assembly comprises a fixing frame fixedly connected to the upper end of the movable plate, a fixing ring is fixedly connected to the rear end of the fixing frame, connecting clamping pieces are movably arranged in the upper side and the lower side of the fixing ring, two groups of connecting clamping pieces are respectively fixedly connected with second synchronous wheels at the upper end and the lower end of the connecting clamping pieces, a control rod is movably arranged in the fixing ring and the two groups of second synchronous wheels, clamping blocks are fixedly connected to the two ends of the lower side of the control rod, clamping grooves are formed in the positions, corresponding to the clamping blocks, of the inner parts of the second synchronous wheels, and synchronous belts are movably sleeved on the inner sides of the first synchronous wheels and the rotating wheel frames respectively.
Preferably, the connecting clamping piece and the second synchronous wheel are in an integrated structure, the connecting clamping piece is movably clamped in the fixing ring, and the clamping block is matched with the clamping groove.
Compared with the prior art, the invention has the following beneficial effects:
1. whether the wireless vibration sensor is horizontal and vertical is judged through the level bar, the first synchronous wheel is controlled to rotate through the control rod, the movable plate is adjusted to rotate up and down, the wireless vibration sensor is adjusted to be at a horizontal and vertical position, and small-amplitude horizontal adjustment can be achieved.
2. The two groups of fixing parts are driven to be close to each other through the rotation of the control rod, the wireless vibration sensor, the second clamping part and the first clamping part which are arranged at the lower end of the level bar are respectively clamped, the fixing purpose is achieved, and later replacement is convenient to conduct.
3. The control rod is moved up and down, so that the adjusting component and the fixing component are controlled and used respectively.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic view of a mounting mechanism of the present invention in partial cutaway;
FIG. 4 is a schematic diagram of an A-amp configuration of the present invention;
FIG. 5 is a schematic view of a fixing assembly in cross-section;
FIG. 6 is a schematic view of a partial structure of the present invention;
fig. 7 is a schematic view of a control mechanism of the present invention in partial cutaway.
In the figure: 1. a bearing seat; 2. a wireless vibration sensor; 3. a mounting mechanism; 31. a mounting plate; 32. a connecting seat; 33. a movable plate; 34. a bolt; 35. an adjustment assembly; 351. an adjustment port; 352. a movable ring; 353. a fixed block; 354. a movable groove; 355. a threaded rod; 356. a first synchronizing wheel; 36. a fixing assembly; 361. a first interface; 362. a second interface; 363. a rubber ring; 364. a mounting groove; 365. a fixing member; 366. a drive screw; 367. a first bevel gear; 368. a square groove; 369. a second bevel gear; 3610. rotating the wheel frame; 3611. a first clamping piece; 3612. a second clamping piece; 37. a control assembly; 371. A fixing frame; 372. a fixing ring; 373. a connecting clip; 374. a second synchronizing wheel; 375. a control lever; 376. a clamping block; 377. a clamping groove; 378. a synchronous belt; 38. a level bar.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments.
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 orientations or positional relationships in which the present invention is expressed or positional relationships, merely for convenience in describing and simplifying the description, and do not indicate or imply that the apparatus or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-7, an embodiment of the present invention is provided: the utility model provides a wireless sensor with outage protection and warning, including bearing frame 1, the upside of bearing frame 1 is provided with wireless vibration sensor 2, install installation mechanism 3 between wireless vibration sensor 2 and the bearing frame 1, installation mechanism 3 is including setting up the mounting panel 31 in bearing frame 1 upper end, the upper end of mounting panel 31 is close to rear side position fixedly connected with connecting seat 32, the inboard swing joint of connecting seat 32 has fly leaf 33, install four sets of bolts 34 between the inside all around of mounting panel 31 and bearing frame 1, the front side position of fly leaf 33 is provided with adjusting component 35, the inside of fly leaf 33 is provided with fixed subassembly 36, the upper end of fly leaf 33 is close to one side position of adjusting component 35 and is provided with control component 37, the upper end of fly leaf 33 is close to one side and is provided with level bar 38, adjusting component 35 is including setting up the internal regulation mouth 351 in the front side of fly leaf 33, the inboard of regulation mouth 351 is provided with the fly leaf 352, both ends all fixedly connected with fixed block 353, the inside the both sides inner wall of regulation mouth 351 corresponds the fixed block's position and has seted up the fly leaf 354, the inside swing link 352 has the fixed component 36, the inside swing link up, the upper end of fly leaf 352 is fixed link 355 and fixed link 355 is screwed with the screw rod 353, a pair of screw rod 355 and a screw rod 353 is screwed with the fixed link with the fly leaf 355 together, the fly leaf 355 is a screw rod 355.
The mounting plate 31 and the upper end of the bearing seat 1 are mounted through four groups of bolts 34, the bearing seat 1 connected with equipment can be monitored through the wireless vibration sensor 2, whether vibration is in a normal range or not is monitored, if the vibration exceeds a certain range, the vibration is fed back to a computer to remind the computer, then the computer control equipment is intelligently powered off to stop running, whether the wireless vibration sensor 2 is mounted horizontally and vertically can be judged through the level bar 38, if certain deviation exists, the first synchronous wheel 356 can be controlled to rotate through the control rod 375, meanwhile, the threaded rod 355 is driven to rotate, the movable ring 352 is in threaded connection with the threaded rod 355, so that the movable plate 33 is jacked up along the rotation of the connecting seat 32 or reversely moves downwards through the connection of the movable ring 352 and the fixed block 353, meanwhile, the movable ring 352 and the fixed block 353 slide on the inner sides of the adjusting port 351 and the movable groove 354 respectively, and the wireless vibration sensor 2 can be adjusted to the horizontal and vertical position in a matching mode, and small-amplitude horizontal adjustment can be realized.
The fixed component 36 comprises a first interface 361 arranged at the center of the movable plate 33, a second interface 362 arranged at one side of the movable plate 33, a rubber ring 363 fixedly connected to the upper end of the movable plate 33 corresponding to the outer ring of the first interface 361, a mounting groove 364 arranged in the movable plate 33, two groups of fixing pieces 365 arranged in the mounting groove 364, a driving screw 366 movably connected to one side of the two groups of fixing pieces 365, a first bevel gear 367 fixedly connected to the front end of the driving screw 366, a square groove 368 arranged at the inner side of the movable plate 33 corresponding to the first bevel gear 367, a second bevel gear 369 movably connected to the upper side of the first bevel gear 367, a rotary wheel frame 3610 fixedly connected to the upper end of the second bevel gear 369, the lower extreme welding of level bar 38 has first fastener 3611, the lower extreme welding of wireless vibration sensor 2 has second fastener 3612, the shape of mounting groove 364 is protruding font, mounting 365 respectively with first fastener 3611, second fastener 3612 is the block setting, two sets of mounting 365 are threaded connection with drive screw 366, set up to control two sets of heliciform lines on the drive screw 366, first bevel gear 367 and second bevel gear 369 intermeshing, rotate the downside of wheel carrier 3610 and prolong to square groove 368's inside and be connected with second bevel gear 369, first fastener 3611, second fastener 3612 respectively with second interface 362, first interface 361 looks adaptation.
The wireless vibration sensor 2 and the level bar 38 are respectively inserted into the first interface 361 and the second interface 362, the rotating wheel frame 3610 is driven to rotate by matching with the rotation of the control rod 375, the rotating wheel frame 3610 is fixedly connected with the second bevel gear 369, and the second bevel gear 369 is meshed with the first bevel gear 367, so that the first bevel gear 367 rotates together, the rotation of the first bevel gear 367 drives the fixedly connected transmission screw 366 to rotate, the outer sides of the transmission screw 366 are provided with left and right screw threads, the two groups of fixing pieces 365 are respectively connected with the transmission screw 366 through threads, so that the two groups of fixing pieces 365 are mutually close to each other, and the second clamping pieces 3612 and the first clamping pieces 3611 arranged at the lower ends of the wireless vibration sensor 2 and the level bar 38 are respectively clamped, thereby realizing the fixing purpose and facilitating the later replacement.
The control assembly 37 comprises a fixed frame 371 fixedly connected to the upper end of the movable plate 33, a fixed ring 372 is fixedly connected to the rear end of the fixed frame 371, connecting clamping pieces 373 are movably arranged in the upper side and the lower side of the fixed ring 372, second synchronizing wheels 374 are fixedly connected to the upper end and the lower end of the two groups of connecting clamping pieces 373 respectively, a control rod 375 is movably arranged in the fixed ring 372 and the two groups of second synchronizing wheels 374, clamping blocks 376 are fixedly connected to the two ends of the lower side of the control rod 375 respectively, clamping grooves 377 are formed in the two groups of second synchronizing wheels 374 in positions corresponding to the clamping blocks 376, a synchronous belt 378 is movably sleeved on the inner sides of the first synchronizing wheels 356 and the rotating wheel frames 3610 respectively, the connecting clamping pieces 373 and the second synchronizing wheels 374 are of an integrated structure, the connecting clamping pieces 373 are movably clamped in the inner parts of the fixed ring 372, and the clamping blocks 376 are matched with the clamping grooves 377.
By lifting the control rod 375 upwards, clamping the control rod 375 into the clamping groove 377 formed in the upper side second synchronizing wheel 374, rotating the control rod 375, and driving the first synchronizing wheel 356 and the threaded rod 355 to rotate due to the group of synchronizing belts 378 sleeved on the inner sides of the upper side second synchronizing wheel 374 and the first synchronizing wheel 356, pushing the control rod 375 downwards in the same way, clamping the clamping block 376 into the clamping groove 377 in the lower side second synchronizing wheel 374, and rotating the rotating wheel frame 3610 to control the adjusting assembly 35 and the fixing assembly 36 respectively.
Working principle:
when in use, the mounting plate 31 and the upper end of the bearing seat 1 are mounted through four groups of bolts 34, the bearing seat 1 connected with equipment can be monitored through the wireless vibration sensor 2, whether vibration is in a normal range or not is monitored, if the vibration exceeds a certain range, the vibration is fed back to a computer to remind the computer, then the computer controls the equipment to be intelligently powered off and stop running, secondly, the control rod 375 is lifted upwards and clamped into the clamping grooves 377 formed in the upper group of second synchronous wheels 374, the control rod 375 is rotated again, the upper group of synchronous belts 378 sleeved on the inner sides of the first synchronous wheels 356 are driven by the upper group of second synchronous wheels 374, the first synchronous wheels 356 and the threaded rods 355 are rotated, the control rod 375 is pushed downwards in the same way, the clamping blocks 376 are clamped into the clamping grooves 377 in the lower group of second synchronous wheels 374, the rotating wheel frames 3610 are rotated, the control of the adjusting assembly 35 and the fixing assembly 36 is respectively realized, in addition, the wireless vibration sensor 2 and the level bar 38 are respectively inserted into the first interface 361 and the second interface 362, the rotating wheel frame 3610 is driven to rotate by the rotation of the control rod 375, the rotating wheel frame 3610 is fixedly connected with the second bevel gear 369, and the second bevel gear 369 is meshed with the first bevel gear 367, so that the first bevel gear 367 rotates together, the rotation of the first bevel gear 367 drives the fixedly connected transmission screw 366 to rotate, the outer sides of the transmission screw 366 are provided with left and right groups of screw threads, the two groups of fixing pieces 365 are respectively connected with the transmission screw 366 through threads, so that the two groups of fixing pieces 365 are mutually close to each other, the second clamping pieces 3612 and the first clamping pieces 3611 arranged at the lower ends of the wireless vibration sensor 2 and the level bar 38 are respectively clamped, the fixing purpose is realized, the later replacement is convenient, finally, whether the wireless vibration sensor 2 is installed horizontally or not can be judged through the level bar 38, if certain deviation exists, the first synchronous wheel 356 can be controlled to rotate through the control rod 375, meanwhile, the threaded rod 355 is driven to rotate, and the movable ring 352 is in threaded connection with the threaded rod 355, so that the movable plate 33 is jacked up along the rotation of the connecting seat 32 or reversely moves downwards through the connection of the movable ring 352 and the fixed block 353, meanwhile, the movable ring 352 and the fixed block 353 slide on the inner sides of the adjusting opening 351 and the movable groove 354 respectively, and the wireless vibration sensor 2 is adjusted to the horizontal and vertical position in a matching manner, so that small-amplitude horizontal adjustment can be realized.
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.
Claims (4)
1. Wireless sensor with outage protection and warning, including bearing frame (1), its characterized in that: the device is characterized in that a wireless vibration sensor (2) is arranged on the upper side of the bearing seat (1), a mounting mechanism (3) is arranged between the wireless vibration sensor (2) and the bearing seat (1), the mounting mechanism (3) comprises a mounting plate (31) arranged at the upper end of the bearing seat (1), a connecting seat (32) is fixedly connected to the upper end of the mounting plate (31) close to the rear side, a movable plate (33) is movably connected to the inner side of the connecting seat (32), four groups of bolts (34) are arranged between the inner part around the mounting plate (31) and the bearing seat (1), an adjusting component (35) is arranged at the front side position of the movable plate (33), a fixed component (36) is arranged in the inner part of the movable plate (33), a control component (37) is arranged at the position, close to one side, close to the adjusting component (35), of the upper end of the movable plate (33), and a horizontal ruler (38) are arranged at the upper end, close to one side, of the movable plate (33). The control assembly (37) comprises a fixing frame (371) fixedly connected to the upper end of the movable plate (33), a fixing ring (372) is fixedly connected to the rear end of the fixing frame (371), connecting clamping pieces (373) are movably arranged in the upper side and the lower side of the fixing ring (372), second synchronous wheels (374) are fixedly connected to the upper end and the lower end of each connecting clamping piece (373), a control rod (375) is movably arranged in the fixing ring (372) and the inner side of each second synchronous wheel (374), clamping blocks (376) are fixedly connected to the two ends of the lower side of each control rod (375), clamping grooves (377) are formed in the positions, corresponding to the clamping blocks (376), of the inner sides of the second synchronous wheels (374) and the inner sides of the first synchronous wheels (356) and the rotating wheel frames (3610) are movably sleeved with synchronous belts (378) respectively; the connecting clamping piece (373) and the second synchronizing wheel (374) are in an integrated structure, the connecting clamping piece (373) is movably clamped in the fixing ring (372), and the clamping block (376) is matched with the clamping groove (377); the adjusting assembly (35) comprises an adjusting opening (351) formed in the front side of the movable plate (33), a movable ring (352) is arranged on the inner side of the adjusting opening (351), fixed blocks (353) are fixedly connected to the two ends of the movable ring (352), movable grooves (354) are formed in positions, corresponding to the fixed blocks (353), of the inner walls of the two sides of the adjusting opening (351), threaded rods (355) are movably connected to the inner parts of the movable ring (352), and first synchronous wheels (356) are fixedly connected to the upper ends of the threaded rods (355); the utility model provides a wireless vibration sensor, including fixed subassembly (36), fixed subassembly (36) is including seting up first interface (361) in fly leaf (33) central point put, second interface (362) have been seted up to one side of fly leaf (33), the upper end of fly leaf (33) corresponds first interface (361) outer lane position fixedly connected with rubber ring (363), mounting groove (364) have been seted up to the inside of fly leaf (33), the inside of mounting groove (364) is provided with two sets of mounting (365), two sets of one side swing joint of mounting (365) has drive screw (366), the front end fixedly connected with first bevel gear (367) of drive screw (366), square groove (368) have been seted up to the inside of fly leaf (33) corresponding to the position of first bevel gear (367), the upside swing joint of first bevel gear (367) has second bevel gear (369), the upper end fixedly connected with of second bevel gear (369) rotates wheel carrier (3610), the lower extreme welding of horizon rule (38) has first fastener (3611), wireless vibration sensor (362) have second vibration sensor (3612).
2. A wireless sensor with power-down protection and reminder as recited in claim 1, wherein: the fixed block (353) and the movable ring (352) are integrally formed, the fixed block (353) and the movable groove (354) are movably clamped, and the threaded rod (355) is in threaded connection with the movable ring (352).
3. A wireless sensor with power-down protection and reminder as recited in claim 1, wherein: the mounting groove (364) is in a convex shape, the fixing pieces (365) are respectively clamped with the first clamping pieces (3611) and the second clamping pieces (3612), the two fixing pieces (365) are in threaded connection with the transmission screw (366), and the transmission screw (366) is provided with left and right spiral lines.
4. A wireless sensor with power-down protection and reminder as recited in claim 1, wherein: the first bevel gear (367) is meshed with the second bevel gear (369), the lower side of the rotating wheel frame (3610) is extended to the inside of the square groove (368) to be connected with the second bevel gear (369), and the first clamping piece (3611) and the second clamping piece (3612) are respectively matched with the second interface (362) and the first interface (361).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211224983.8A CN115901253B (en) | 2022-10-09 | 2022-10-09 | Wireless sensor with power-off protection and reminding functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211224983.8A CN115901253B (en) | 2022-10-09 | 2022-10-09 | Wireless sensor with power-off protection and reminding functions |
Publications (2)
| Publication Number | Publication Date |
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| CN115901253A CN115901253A (en) | 2023-04-04 |
| CN115901253B true CN115901253B (en) | 2024-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211224983.8A Active CN115901253B (en) | 2022-10-09 | 2022-10-09 | Wireless sensor with power-off protection and reminding functions |
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|---|---|
| CN115901253A (en) | 2023-04-04 |
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