CN115523415A - Combined multifunctional grating structure - Google Patents
Combined multifunctional grating structure Download PDFInfo
- Publication number
- CN115523415A CN115523415A CN202210881984.3A CN202210881984A CN115523415A CN 115523415 A CN115523415 A CN 115523415A CN 202210881984 A CN202210881984 A CN 202210881984A CN 115523415 A CN115523415 A CN 115523415A
- Authority
- CN
- China
- Prior art keywords
- clamp splice
- grating
- mounting
- screw hole
- laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 9
- 239000011529 conductive interlayer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
- F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
- F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
- F16P3/144—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Optical Transform (AREA)
Abstract
The invention discloses a combined type multifunctional grating structure which comprises an embedded type base, a heat dissipation window, power lines, an operation panel, a combined type support rod, a split type grating structure and a solar panel, wherein the embedded type base is of a three-section type rectangular structure, the top of the right end of the embedded type base is provided with the heat dissipation window which is symmetrically distributed, the bottom of the heat dissipation window is provided with the embedded type power lines, the top of the front end of the embedded type base is provided with the operation panel, the middle part of the top end of the embedded type base is provided with the combined type support rod, the circumferential surface of the combined type support rod is provided with the split type grating structure, and the middle part of the top end of the combined type support rod is provided with the solar panel. The application range of the grating can be adjusted according to different use scenes through split type combined design, and meanwhile, the rotatably adjusted grating structure can serve as a light source transmitter and can further expand the use range of the grating under the effect of light source receiving.
Description
Technical Field
The present disclosure relates to optical gratings, and particularly to a combined type multifunctional optical grating.
Background
The optical device formed by a large number of parallel slits with equal width and equal spacing is widely applied to various production and living scenes, most of the existing gratings have fixed length which cannot be adjusted according to actual use scenes, and meanwhile, a transmitter and a receiver are respectively fixed at two ends of a channel and are fixed in application ranges, so that a combined multifunctional grating structure with adjustable use length and wide use range is needed.
Disclosure of Invention
The present invention provides a combined multifunctional grating structure to solve the above technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a modular multi-functional grating structure, includes embedded base, heat dissipation window, power cord, operating panel, combination formula bracing piece, split type grating structure, solar panel, embedded base is the heat dissipation window that syllogic rectangle structure and right-hand member top opened there is the symmetrical formula to distribute, embedded power cord is installed to heat dissipation window bottom, that is equipped with operating panel and top mid-mounting at embedded base front end top has the combined type bracing piece, combination formula bracing piece circumference surface mounting has split type grating structure, combination formula bracing piece top mid-mounting has solar panel.
On the basis of the technical scheme, embedded base includes revolving stage, threaded rod, bearing, worm wheel, worm, driving motor, laser position detection device, embedded base top inboard is installed the revolving stage and is articulated fixed through the bearing, six groups of symmetrical formula distribution's threaded rod and through welded fastening are installed at the revolving stage top, revolving stage bottom mid-mounting has the worm wheel and is connected with the worm meshing of front end, worm left end mid-mounting has the fixed driving motor of key-type connection, the fixed laser position detection device of key-type connection is installed to revolving stage circumference surface bottom, laser position detection device passes through the electric wire and is connected with driving motor.
On the basis of the technical scheme, the combined supporting rod comprises a flange plate, a nut, a first threaded hole, a mounting frame, a threaded column, a locking hexagonal shape and a second mounting frame, the plug-in type flange plate is installed at the top of the rotary table and is fixed through the nut, the middle of the top end of the flange plate is provided with the first threaded hole, the top of the inner side of the first threaded hole is provided with the mounting frame and is in threaded connection with the threaded column through the bottom, the locking hexagonal shape of the welding fixation is installed at the top of the circumferential surface of the mounting frame, and the top end of the mounting frame is provided with the first threaded hole and the second mounting frame in threaded connection.
On the basis of the technical scheme, split type grating structure includes back clamp splice, preceding clamp splice, second screw hole, third screw hole, screw rod, first grating signal transmitter, second grating signal transmitter, first grating signal receiver, second grating signal receiver, the preceding clamp splice that symmetric distribution is installed to back clamp splice front end, back clamp splice, preceding clamp splice front end middle part are opened has the second screw hole that six groups of symmetric distributions, the third screw hole that has symmetric distribution is opened on back clamp splice, preceding clamp splice surface, back clamp splice, preceding clamp splice pass through the shank of bolt and connect, first grating signal transmitter, the second grating signal transmitter of bolted connection are installed to the third screw hole inboard at back clamp splice, preceding clamp splice both ends, first grating signal receiver, the second grating signal receiver of bolted connection are installed to the third screw hole inboard at back clamp splice, preceding clamp splice front end and rear end middle part.
On the basis of the technical scheme, the laser position detection device comprises a conductive mounting disc, a laser transmitter, a conductive interlayer, a power supply arc plate, a laser receiver and an integrated control box, wherein the conductive mounting disc is of a disc type structure, the top end of the conductive mounting disc is provided with four groups of symmetrical distributed laser transmitters, the middle part of the circumferential surface of the conductive mounting disc is provided with the conductive interlayer, the conductive mounting disc is connected with the laser transmitter through an electric wire, the front end of the conductive interlayer is provided with the power supply arc plate in sliding connection, the laser receiver is mounted at the top of the laser transmitter, the integrated control box fixed by bolts is mounted at the left end of the laser receiver and is connected with the driving motor through an electric wire.
Compared with the prior art, the invention has the following advantages: the grating structure can be combined into a proper height according to different use scenes by matching the combined support rod and the split grating structure support, and meanwhile, the transmitter and the receiver of the grating are both arranged around the rear clamping block and the front clamping block and can rotate under the driving of the driving motor and the worm gear at the bottom to realize the conversion of the transmitter and the receiver, so that the application range of the grating is further improved, and the replacement of the original part in emergency is facilitated when the original part is damaged.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention.
Fig. 2 is a schematic connection diagram of the embedded base structure according to the present invention.
Fig. 3 is a schematic view of the combined support rod of the present invention.
Fig. 4 is a schematic diagram of the split grating structure of the present invention.
FIG. 5 is a schematic structural diagram of a laser position detecting device according to the present invention.
In the figure: 1. the device comprises an embedded base, 2, a heat dissipation window, 3, a power line, 4, an operation panel, 5, a combined supporting rod, 6, a split type grating structure, 7, a solar panel, 8, a rotary table, 9, a threaded rod, 10, a bearing, 11, a worm gear, 12, a worm, 13, a driving motor, 14, a laser position detection device, 15, a flange plate, 16, a nut, 17, a first threaded hole, 18, a mounting frame, 19, a threaded column, 20, a locking hexagon, 21, a second mounting frame, 22, a rear clamping block, 23, a front clamping block, 24, a second threaded hole, 25, a third threaded hole, 26, a screw rod, 27, a first grating signal transmitter, 28, a second grating signal transmitter, 29, a first grating signal receiver, 30, a second grating signal receiver, 31, a conductive mounting disc, 32, a laser transmitter, 33, a conductive interlayer, 34, a power supply arc plate, 35, a laser receiver, 36 and an integrated control box.
Detailed Description
The invention is explained in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1-5, a modular multi-functional grating structure, including embedded base 1, heat dissipation window 2, power cord 3, operating panel 4, combination formula bracing piece 5, split type grating structure 6, solar panel 7, embedded base 1 is the three-section type rectangle structure and the heat dissipation window 2 that the right-hand member top was opened there is the symmetrical formula distribution, embedded power cord 3 is installed to 2 bottoms of heat dissipation window, that is equipped with operating panel 4 and top mid-mounting at embedded base 1 front end top has combination formula bracing piece 5, 5 circumference surface mounting of combination formula bracing piece have split type grating structure 6, 6 top mid-mounting of combination formula bracing piece have solar panel 7.
Embedded base 1 includes revolving stage 8, threaded rod 9, bearing 10, worm wheel 11, worm 12, driving motor 13, laser position detection device 14, embedded base 1 top inboard is installed revolving stage 8 and is articulated fixed through bearing 9, six groups of symmetrical formula distribution's threaded rod 10 and through welded fastening are installed at revolving stage 8 top, 8 bottom mid-mounting of revolving stage have worm wheel 11 and be connected with the worm 12 meshing of front end, 12 left end mid-mounting of worm has the fixed driving motor 13 of key-type connection, 8 circumference surface bottoms of revolving stage install the fixed laser position detection device 14 of key-type connection, laser position detection device 14 is connected with driving motor 13 through the electric wire.
The split type grating 6 structure comprises a rear clamping block 22, a front clamping block 23, a second threaded hole 24, a third threaded hole 25, a screw rod 26, a first grating signal transmitter 27, a second grating signal transmitter 28, a first grating signal receiver 29 and a second grating signal receiver 30, wherein the front clamping block 23 distributed symmetrically is installed at the front end of the rear clamping block 22, six groups of second threaded holes 24 distributed symmetrically are formed in the middle of the front end of the rear clamping block 22 and the front clamping block 23, third threaded holes 25 distributed symmetrically are formed in the surfaces of the rear clamping block 22 and the front clamping block 23, the rear clamping block 22 and the front clamping block 23 are connected through bolt rods 26, a first grating signal transmitter 27 and a second grating signal transmitter 28 which are connected through bolts are installed inside the third threaded holes 25 at the two ends of the rear clamping block 22 and the front clamping block 23, and a first grating signal receiver 29 and a second grating signal receiver 30 which are connected through bolts are installed inside the third threaded holes 25 in the middle of the front end and the rear clamping block 22 and the front clamping block 23.
Laser position detection device 14 includes electrically conductive mounting disc 31, laser emitter 32, electrically conductive intermediate layer 33, power supply arc board 34, laser receiver 35, integrated control box 36, electrically conductive mounting disc 31 installs the laser emitter 32 that four groups of symmetric formulas distribute for disc type structure and top, electrically conductive mounting disc 31 circumference surface mid-mounting has electrically conductive intermediate layer 33 and is connected with laser emitter 32 through the electric wire, sliding connection's power supply arc board 34 is installed to electrically conductive intermediate layer 33 front end, laser receiver 35 is installed at laser emitter 32 top, bolted fixation's integrated control box 36 is installed to laser receiver 35 left end and passes through connection of electric lines, integrated control box 36 is connected with driving motor 13 through the electric wire.
The working principle of the invention is as follows: carry out photovoltaic power generation through solar panel and supply power for equipment, then fix the ring flange lock joint at the revolving stage top through the nut, then the mounting bracket is connected with the first screw hole at ring flange top through the screw post of bottom, the same reason installation second, the third mounting bracket is and be convenient for the mounting bracket rotatory through welded fastening's hexagon, at last with solar panel threaded connection at last mounting bracket top, meanwhile back clamp splice, preceding clamp splice passes the second screw hole through the shank of bolt and connects, subsequently the third screw hole inboard is installed the first grating signal transmitter of symmetric distribution through the bolt, second grating signal transmitter, first grating signal receiver, second grating signal receiver, confirm the position through laser transmitter and receiver when needs carry out the conversion of transmitter and receiver, then driving motor drives worm and worm wheel and rotates, the worm wheel rotation further drives revolving stage and bracing piece rotation 90 degrees, realize that first grating signal transmitter switches with first grating signal receiver, finally supply power through power supply arc board and electrically conductive friction contact at laser transmitter, then laser transmitter sends the light source and catches through the receiver and then catches suitable light source and stops through integrated control box drive motor rotation.
The foregoing is a preferred embodiment of the present invention, and it will be appreciated by those skilled in the art that changes, modifications, substitutions and variations may be made in the embodiments without departing from the principles and spirit of the invention, which is further defined in the appended claims.
Claims (5)
1. The utility model provides a modular multi-functional grating structure, includes embedded base (1), heat dissipation window (2), power cord (3), operating panel (4), combination formula bracing piece (5), split type grating structure (6), solar panel (7), its characterized in that: embedded base (1) is open heat dissipation window (2) that have the symmetric type to distribute for syllogic rectangle structure and right-hand member top, embedded power cord (3) are installed to heat dissipation window (2) bottom, that is equipped with operating panel (4) and top mid-mounting at embedded base (1) front end top has combination formula bracing piece (5), combination formula bracing piece (5) circumference surface mounting has split type grating structure (6), combination formula bracing piece (6) top mid-mounting has solar panel (7).
2. The combined multifunctional grating structure of claim 1, wherein: embedded base (1) includes revolving stage (8), threaded rod (9), bearing (10), worm wheel (11), worm (12), driving motor (13), laser position detection device (14), embedded base (1) top inboard is installed revolving stage (8) and is articulated fixed through bearing (9), threaded rod (10) that six groups of symmetric distributions were installed at revolving stage (8) top and through welded fastening, revolving stage (8) bottom mid-mounting has worm wheel (11) and is connected with the worm (12) meshing of front end, worm (12) left end mid-mounting has key-type connection fixed driving motor (13), revolving stage (8) circumference surface bottom installs fixed laser position detection device (14) of key-type connection, laser position detection device (14) are connected with driving motor (13) through the electric wire.
3. The combined multifunctional grating structure of claim 1, wherein: modular bracing piece (5) are including ring flange (15), nut (16), first screw hole (17), mounting bracket (18), screw thread post (19), locking hexagonal (20), second mounting bracket (21), plug-in type ring flange (15) and fixed through nut (16) are installed at revolving stage (8) top, ring flange (15) top mid-mounting has first screw hole (17), mounting bracket (18) and screw thread post (19) threaded connection through the bottom are installed at first screw hole (17) inboard top, welded fastening's locking hexagonal (20) are installed at mounting bracket (18) circumference surface top, open on mounting bracket (18) top has first screw hole (17) and threaded connection has second mounting bracket (21).
4. The combined multifunctional grating structure of claim 1, wherein: split type grating (6) structure includes back clamp splice (22), preceding clamp splice (23), second screw hole (24), third screw hole (25), screw rod (26), first grating signal transmitter (27), second grating signal transmitter (28), first grating signal receiver (29), second grating signal receiver (30), preceding clamp splice (23) that the symmetry formula distributes are installed to back clamp splice (22) front end, back clamp splice (22), preceding clamp splice (23) front end middle part are opened has six sets of second screw hole (24) that the symmetry formula distributes, back clamp splice (22), preceding clamp splice (23) surface are opened and are had the third screw hole (25) that the symmetry formula distributes, back clamp splice (22), preceding clamp splice (23) are connected through bolt pole (26), the third screw hole (25) inboard of back clamp splice (22), preceding clamp splice (23) both ends is installed the first grating signal transmitter (27), the second grating signal transmitter (28) of bolted connection, the inboard of second grating signal receiver (30) of second screw hole (25) of back clamp splice (22), preceding clamp splice (23) both ends, the inboard of back clamp splice (23) and the connection of second grating signal receiver (30).
5. The combined multifunctional grating structure of claim 1, wherein: laser position detection device (14) are including electrically conductive mounting disc (31), laser emitter (32), electrically conductive intermediate layer (33), power supply arc board (34), laser receiver (35), integrated control box (36), electrically conductive mounting disc (31) are disc type structure and top and install laser emitter (32) that four groups of symmetric distributions, electrically conductive mounting disc (31) circumference surface mid-mounting has electrically conductive intermediate layer (33) and is connected with laser emitter (32) through the electric wire, sliding connection's power supply arc board (34) are installed to electrically conductive intermediate layer (33) front end, laser receiver (35) are installed at laser emitter (32) top, integrated control box (36) of bolt fastening and through the connection of electric lines are installed to laser receiver (35) left end, integrated control box (36) are connected with driving motor (13) through the electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210881984.3A CN115523415A (en) | 2022-07-26 | 2022-07-26 | Combined multifunctional grating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210881984.3A CN115523415A (en) | 2022-07-26 | 2022-07-26 | Combined multifunctional grating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115523415A true CN115523415A (en) | 2022-12-27 |
Family
ID=84695283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210881984.3A Pending CN115523415A (en) | 2022-07-26 | 2022-07-26 | Combined multifunctional grating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115523415A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011001724A1 (en) * | 2011-04-01 | 2012-10-04 | Sick Ag | Light grating has adjusting unit that fixes receiving surface relative to bearing surface of holder in desired position, so that housing is releasably held on receiving surface by detent hooks |
| CN211902339U (en) * | 2020-08-03 | 2020-11-10 | 山东华滋自动化技术股份有限公司 | Movable safety grating |
| CN112304891A (en) * | 2020-10-14 | 2021-02-02 | 西安工程大学 | System for detecting gas by adopting flexible grating and detection method thereof |
| CN114200615A (en) * | 2021-12-27 | 2022-03-18 | 北京工业大学 | Parallel grating clamping and adjusting frame |
| CN216201763U (en) * | 2021-09-28 | 2022-04-05 | 武汉陨石空间科技有限公司 | Supplementary automatic leveling base |
-
2022
- 2022-07-26 CN CN202210881984.3A patent/CN115523415A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011001724A1 (en) * | 2011-04-01 | 2012-10-04 | Sick Ag | Light grating has adjusting unit that fixes receiving surface relative to bearing surface of holder in desired position, so that housing is releasably held on receiving surface by detent hooks |
| CN211902339U (en) * | 2020-08-03 | 2020-11-10 | 山东华滋自动化技术股份有限公司 | Movable safety grating |
| CN112304891A (en) * | 2020-10-14 | 2021-02-02 | 西安工程大学 | System for detecting gas by adopting flexible grating and detection method thereof |
| CN216201763U (en) * | 2021-09-28 | 2022-04-05 | 武汉陨石空间科技有限公司 | Supplementary automatic leveling base |
| CN114200615A (en) * | 2021-12-27 | 2022-03-18 | 北京工业大学 | Parallel grating clamping and adjusting frame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111969934B (en) | High-efficiency solar cell panel and mounting structure thereof | |
| CN211239765U (en) | Fixed adjustable photovoltaic support device | |
| CN116403424A (en) | Traffic signal control system based on wisdom lamp pole | |
| CN115523415A (en) | Combined multifunctional grating structure | |
| CN219960453U (en) | Support of auxiliary maintenance photovoltaic power station | |
| CN112165294B (en) | Solar panel support system | |
| CN211530643U (en) | Electric power energy transmission device convenient to installation | |
| CN211720501U (en) | Solar photovoltaic support suitable for sand blown by wind area | |
| CN219436953U (en) | Photovoltaic support fixing device | |
| CN218072172U (en) | Photovoltaic power generation inverter bracket | |
| CN213990573U (en) | Follow spot photovoltaic board mounting bracket structure | |
| CN114978014A (en) | New forms of energy electricity generation is with solar photovoltaic board of angle adjustable is stabilized in installation | |
| CN220475372U (en) | Electric power installation regulating frame convenient to lay | |
| CN219843559U (en) | Adjustable solar panel mounting rack based on street lamp | |
| CN219938275U (en) | Photovoltaic support convenient to adjust | |
| CN114821926B (en) | Electric power safety warning device resistant to stray current corrosion | |
| CN221102990U (en) | Hardware fitting for cable wiring | |
| CN220016809U (en) | Building site material infrared monitoring probe night | |
| CN220874445U (en) | Connect polylith photovoltaic board concatenation frame | |
| CN221034990U (en) | Support of laser emitter | |
| CN211046813U (en) | Portable photovoltaic energy board power generation facility | |
| CN213333529U (en) | Infectious disease prevention and treatment teaching equipment for infectious department | |
| CN219938270U (en) | Novel solar photovoltaic mounting frame | |
| CN220399517U (en) | Solar energy ammeter case | |
| CN211455191U (en) | Outdoor LED advertising lamp box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |