CN212413269U - Security protection probe convenient to wash - Google Patents
Security protection probe convenient to wash Download PDFInfo
- Publication number
- CN212413269U CN212413269U CN202021178085.XU CN202021178085U CN212413269U CN 212413269 U CN212413269 U CN 212413269U CN 202021178085 U CN202021178085 U CN 202021178085U CN 212413269 U CN212413269 U CN 212413269U
- Authority
- CN
- China
- Prior art keywords
- shaped shell
- water
- fixed
- protective cover
- bottom plate
- 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.)
- Expired - Fee Related
Links
- 239000000523 sample Substances 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 230000001681 protective effect Effects 0.000 claims description 53
- 238000007790 scraping Methods 0.000 claims description 14
- 238000005507 spraying Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 17
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model provides a security protection probe convenient to wash, include U-shaped shell, bottom plate, camera body, water spray assembly, strike off the subassembly, the camera body is fixed in on the bottom plate, U-shaped shell opening sets up down, and one end is fixed with the protection screen, and the other end seals, the bottom plate install in U-shaped shell bottom, with U-shaped shell plug-in connects, U-shaped shell top is fixed with the visor, the protection cap top is installed and is used for wasing the water spray assembly of protection screen, the U-shaped shell is close to the one end of protection screen is still installed and is used for striking off the subassembly that strikes off of water stain on the protection screen, the bottom plate bottom is fixed with the mounting bracket, U-shaped shell bottom still is equipped with the water receiving tank that is used for accepting water stain, water receiving tank both ends through the peg with the lateral wall of U-shaped shell links to each other. A security protection probe convenient to wash has solved the problem that the security protection probe washs and wastes time and energy.
Description
Technical Field
The utility model belongs to security protection probe field especially relates to a security protection probe convenient to wash.
Background
Present most camera can be through controlling, comes to carry out the adjustment of angle to the camera to realize the bigger scope of control, however the camera does not possess self cleaning function, can make the dust cover the lens of camera, influences the definition of shooing out the picture, and the camera is generally installed in higher place, needs artifical instrument of utilizing to wash, thereby is inconvenient to wash the camera, wastes time and energy.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a security protection probe convenient to wash to solve the problem that the security protection probe washs and wastes time and energy.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a security protection probe convenient to wash, includes U-shaped shell, bottom plate, camera body, water spray assembly, strikes off the subassembly, the camera body is fixed in on the bottom plate, U-shaped shell opening sets up down, and one end is fixed with the protection screen, and the other end seals, the bottom plate install in U-shaped shell bottom, with U-shaped shell plug-in is connected, U-shaped shell top is fixed with the visor, the protection cap top is installed and is used for wasing the water spray assembly of protection screen, the U-shaped shell is close to the one end of protection screen is still installed and is used for striking off the subassembly that strikes off of water stain on the protection screen, the bottom plate bottom is fixed with the mounting bracket, U-shaped shell bottom still is equipped with the water receiving tank that is used for accepting water stain, water receiving tank both ends pass through the peg with the lateral wall of U-shaped.
Furthermore, a plurality of heat dissipation holes are formed in the top of the U-shaped shell, the protective cover is U-shaped, one end, close to the protective screen, of the protective cover is communicated with the outside, the other end of the protective cover is sealed, the inner walls of the two sides of the protective cover are fixedly connected with the U-shaped shell through fixing blocks, and a certain distance is reserved between the heat dissipation holes and the protective cover.
Furthermore, the fixed blocks are multiple, and the fixed blocks are arranged in a clearance mode.
Further, the water spray assembly comprises a drive motor, a water pump, a water outlet pipe and a water storage tank, the water storage tank is fixed on the protective cover and is far away from one end of the protective screen, the water storage tank is connected with the water pump, the water outlet pipe is connected onto the water pump and fixedly connected with the protective cover through a fixing piece, one end, far away from the water pump, of the water outlet pipe is connected with two branch water pipes, the branch water pipes penetrate through holes reserved in the protective cover, and the water pump is electrically connected with a PLC (programmable logic controller).
Further, the branch water pipe extends towards the protection screen to form a water spraying pipe.
Furthermore, the scraping component comprises a driving motor, a rotating shaft, a screw rod and a rubber scraper, wherein a protective cover is fixed on the side wall of one end, close to the protective screen, of the protective cover, the driving motor is fixed inside the protective cover, an output shaft of the driving motor penetrates through the protective cover through a through hole reserved in the protective cover, the protective cover is connected with the rotating shaft through a coupler, a driving gear is axially fixed on the rotating shaft, circular fixture blocks are fixed at two ends of the screw rod, grooves corresponding to the circular fixture blocks are formed in the inner walls of two sides of the upper portion of the U-shaped shell, a driven gear meshed with the driving gear is fixed at one end, close to the driving gear, of the screw rod, a threaded hole is formed at one end of the rubber scraper, the rubber scraper is in threaded connection with the screw rod through a threaded hole, and a guide rod arranged in parallel, the rubber scraper other end through the through-hole of reserving with guide bar sliding connection, the rubber scraper with the protection screen laminating sets up, driving motor with PLC controller electric connection.
Furthermore, the bottom plate with trilateral outside extension that the U-shaped shell is adjacent forms the joint strip, open on the U-shaped shell inner wall have with the first slot that the joint strip corresponds, the bottom plate passes through the joint strip inserts first slot with the U-shaped shell plug-in is connected.
Furthermore, a second slot corresponding to the protection screen is formed in the U-shaped shell, and the protection screen is connected with the U-shaped shell in a plug-in mode through inserting the second slot.
Furthermore, a guide rod is transversely fixed at the top of the water receiving tank, the outer edges of the bottom plates at the top of the guide rod are arranged in parallel, the bottom of the hanging rod is fixedly connected with the water receiving tank, a spring nail is installed at the top of the hanging rod, threaded holes corresponding to the spring nails are formed in two side walls of the U-shaped shell, and the spring nails are in threaded connection with the U-shaped shell through the threaded holes.
Furthermore, the guide rod is arranged between two side walls of the water receiving tank.
Compared with the prior art, a security protection probe convenient to wash have following advantage:
(1) the water spray subassembly with strike off the cooperation setting of subassembly, to the regular clearance of protection screen, need not artifical alright with the cleanness that maintains the protection screen, guarantee that the camera can shoot clear picture, the water receiving tank will strike off the water stain and the water spray subassembly spun water that the subassembly was scraped and collect, prevents that water from falling down from the eminence, falls on one's body passerby.
(2) And a certain distance is reserved between the heat dissipation holes and the protective cover, so that hot air is easier to dissipate.
(3) A plurality of fixed block clearance sets up for steam is more easily dispersed.
(4) A certain interval is left between the two water spray pipes, so that the area of the protection screen contacting water is larger.
(5) The PLC controller controls the driving motor to rotate forwards and reversely to drive the screw to rotate forwards and reversely, so that the rubber scraper moves back and forth along the screw to scrape water stains on the protection screen.
(6) The bottom plate passes through the joint strip inserts first slot with the U-shaped shell plug-in connection, the whole loading and unloading of being convenient for and washing maintenance.
(7) The diversion rod is arranged between two side walls of the water receiving tank, so that the water receiving tank is only exposed out of a small opening and used for enabling water to enter, and does not extend out to block the camera.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of a security probe convenient to clean according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a security probe convenient to clean according to an embodiment of the present invention;
fig. 3 is a schematic view of a scraping assembly and a spray pipe according to an embodiment of the present invention;
fig. 4 is a schematic view of a scraping assembly, a first slot and a second slot according to an embodiment of the present invention;
fig. 5 is a schematic view of a bottom plate according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a scraping assembly according to an embodiment of the present invention.
Description of reference numerals:
1-a U-shaped shell; 11-a protective cover; 12-fixing blocks; 13-protective screen; 14-a first slot; 15-a second slot; 16-heat dissipation holes; 2-a water spray assembly; 21-a water storage tank; 22-a water pump; 23-a water outlet pipe; 24-a fastener; 25-branch water pipe; 26-a water spray pipe; 3-a scraping assembly; 31-a motor; 311-a rotating shaft; 312-a drive gear; 313-a protective cover; 32-a driven gear; 321-a screw rod; 322-a circular fixture block; 323-grooves; 33-a rubber scraper; 331-threaded hole; 332-a guide bar; 4-a water receiving tank; 41-spring nail; 42-hanging rod; 43-a guide rod; 5-mounting a frame; 51-a mounting seat; 52-a mounting block; 53-articulated shaft; 54-L-shaped stents; 55-mounting plate; 6-camera body; 7-a bottom plate; 71-clamping strip.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, a security probe convenient to clean comprises a U-shaped shell 1, a bottom plate 7, a camera body 6, a water spraying component 2 and a scraping component 3, the camera body 6 is fixed on the bottom plate 7, the U-shaped shell 1 is provided with a downward opening, one end is fixed with a protective screen 13, the other end is closed, the bottom plate 7 is arranged at the bottom of the U-shaped shell 1, is connected with the U-shaped shell 1 in a plug-in manner, a protective cover 11 is fixed at the top of the U-shaped shell 1, a water spray component 2 for cleaning the protective screen 13 is arranged at the top of the protective cover 11, one end of the U-shaped shell 1 close to the protective screen 13 is also provided with a scraping component 3 for scraping water stains on the protective screen 13, the bottom of the bottom plate 7 is fixed with a mounting rack 5, the bottom of the U-shaped shell 1 is also provided with a water receiving tank 4 for receiving water stains, and two ends of the water receiving tank 4 are connected with the side wall of the U-shaped shell 1 through hanging rods 42. Water stain and the 2 spun water of spraying water subassembly of scraping that subassembly 3 was scraped will be collected to water receiving tank 4, prevents that water from falling from the eminence, falls on passerby.
As shown in fig. 1, fig. 2, and fig. 6, a plurality of heat dissipation holes 16 are opened at the top of the U-shaped housing 1, the protection cover 11 is U-shaped, one end close to the protection screen 13 is communicated with the outside, the other end is closed, the inner walls at both sides of the protection cover 11 are fixedly connected with the U-shaped housing 1 through fixing blocks 12, and a certain distance is left between the heat dissipation holes 16 and the protection cover 11, so that hot air is more easily dissipated.
As shown in fig. 6, there are a plurality of fixing blocks 12, and the plurality of fixing blocks 12 are arranged at intervals, so that hot air is more easily emitted.
As shown in fig. 1, 2 and 4, the water spraying assembly 2 includes a driving motor 31, a water pump 22, a water outlet pipe 23 and a water storage tank 21, the water storage tank 21 is fixed at one end of the protective cover 11 far away from the protective screen 13, the water storage tank 21 is connected with the water pump 22, the water pump 22 is connected with the water outlet pipe 23, the water outlet pipe 23 is fixedly connected with the protective cover 11 through a fixing member 24, one end of the water outlet pipe 23 far away from the water pump 22 is connected with two branch water pipes 25, the branch water pipes 25 penetrate through the protective cover 11 through a through hole reserved in the protective cover 11, and the water pump 22 is electrically connected with a PLC controller. The water pump 22 pumps the water twitched from the water storage tank 21 along the water outlet pipe 23 to spray the water onto the protection screen 13, thereby spraying the water onto the protection screen 13.
As shown in fig. 1 to 4, the branch water pipe 25 extends toward the protection screen 13 to form a water spray pipe 26. The water spray pipes 26 are obliquely arranged towards the protection screen 13 to guide water flow, and a certain interval is reserved between the two water spray pipes 26, so that the area of the protection screen 13 contacting water is larger.
As shown in fig. 3, 4 and 6, the scraping assembly 3 includes a driving motor 31, a rotating shaft 311, a screw 321 and a rubber scraper 33, a protective cover 313 is fixed on a side wall of one end of the protective cover 11 close to the protective screen 13, the driving motor 31 is fixed inside the protective cover 313, an output shaft of the driving motor 31 penetrates through a through hole reserved in the protective cover 11 and is connected with the rotating shaft 311 through a coupling, a driving gear 312 is axially fixed on the rotating shaft 311, circular locking blocks 322 are fixed at two ends of the screw 321, grooves 323 corresponding to the circular locking blocks 322 are formed on inner walls of two sides of an upper portion of the U-shaped shell 1, a driven gear 32 engaged with the driving gear 312 is fixed at one end of the screw 321 close to the driving gear 312, a threaded hole 331 is formed at one end of the rubber scraper 33, and the rubber scraper 33 is in threaded connection with the screw 321 through the threaded hole 331, u-shaped shell 1 is kept away from the one end of visor 11 be fixed with screw rod 321 parallel arrangement's guide bar 332, the rubber scraper 33 other end through the through-hole of reserving with guide bar 332 sliding connection, rubber scraper 33 with protection screen 13 laminating sets up, driving motor 31 electric connection has the PLC controller. The PLC controller controls the driving motor 31 to rotate forward and backward to drive the screw rod 321 to rotate forward and backward, so that the rubber scraper 33 reciprocates along the screw rod 321 to scrape water stains on the protective screen 13.
As shown in fig. 3 and 5, the bottom plate 7 and three adjacent sides of the U-shaped shell 1 extend outward to form a clamping strip 71, a first slot 14 corresponding to the clamping strip 71 is formed in the inner wall of the U-shaped shell 1, and the bottom plate 7 is inserted into the first slot 14 through the clamping strip 71 and is connected with the U-shaped shell 1 in a plug-in manner, so that the whole assembly and disassembly and the cleaning maintenance are facilitated.
As shown in fig. 4, a second slot 15 corresponding to the protection screen 13 is formed on the U-shaped shell 1, and the protection screen 13 is connected to the U-shaped shell 1 by inserting the second slot 15.
As shown in fig. 1 to 4, a flow guide rod 43 is transversely fixed at the top of the water receiving tank 4, the outer edges of a bottom plate 7 at the top of the flow guide rod 43 are arranged in parallel, the bottom of the hanging rod 42 is fixedly connected with the water receiving tank 4, a spring nail 41 is installed at the top of the hanging rod, threaded holes 331 corresponding to the spring nails 41 are formed in two side walls of the U-shaped shell 1, and the spring nail 41 is in threaded connection with the U-shaped shell 1 through the threaded holes 331.
As shown in fig. 2, the diversion rod 43 is disposed between two side walls of the water receiving tank 4, so that only a small portion of the opening of the water receiving tank 4 is exposed for water to enter, and the opening does not extend to block the camera.
Only need at ordinary times through PLC controller control water spray subassembly 2 and strike off subassembly 3 work, and then wash protection screen 13 can, when needing to wash whole security protection probe, rotate earlier spring peg 41 and make it break away from U-shaped shell 1, thereby lift off water receiving tank 4, then promote protection screen 13 downwards, break away from out from second slot 15, pull U-shaped shell 1 backward again, make U-shaped shell 1 break away from with bottom plate 7, can dismantle the structure of installing in camera body 6 outside one by one and wash the maintenance.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a security protection probe convenient to wash which characterized in that: comprises a U-shaped shell (1), a bottom plate (7), a camera body (6), a water spraying assembly (2) and a scraping assembly (3), wherein the camera body (6) is fixed on the bottom plate (7), the opening of the U-shaped shell (1) is arranged downwards, one end of the U-shaped shell is fixed with a protective screen (13), the other end of the U-shaped shell is closed, the bottom plate (7) is installed at the bottom of the U-shaped shell (1) and is connected with the U-shaped shell (1) in a plugging manner, a protective cover (11) is fixed at the top of the U-shaped shell (1), the water spraying assembly (2) for cleaning the protective screen (13) is installed at the top of the protective cover (11), the U-shaped shell (1) is close to one end of the protective screen (13), the scraping assembly (3) for scraping water stains on the protective screen (13) is also installed, a mounting frame (5) is fixed at the bottom of the bottom plate (7), a water receiving box (, and two ends of the water receiving tank (4) are connected with the side wall of the U-shaped shell (1) through hanging rods (42).
2. The security probe convenient to clean of claim 1, which is characterized in that: u-shaped shell (1) top is opened there are a plurality of louvres (16), visor (11) are the U-shaped, are close to the one end and the outside intercommunication of protection screen (13), and the other end is sealed, the inner wall of visor (11) both sides pass through fixed block (12) with U-shaped shell (1) fixed connection, louvre (16) with leave certain distance between visor (11).
3. The security probe convenient to clean of claim 2, characterized in that: the number of the fixing blocks (12) is multiple, and the fixing blocks (12) are arranged in a clearance mode.
4. The security probe convenient to clean of claim 1, which is characterized in that: the water spraying component (2) comprises a driving motor (31), a water pump (22), a water outlet pipe (23) and a water storage tank (21), the water storage tank (21) is fixed on the protective cover (11) far away from one end of the protective screen (13), the water storage tank (21) is connected with the water pump (22), the water outlet pipe (23) is fixedly connected with the protective cover (11) through a fixing piece (24), the water outlet pipe (23) is far away from one end of the water pump (22) and is connected with two branch water pipes (25), the branch water pipes (25) are passed through holes reserved in the protective cover (11), and the water pump (22) is electrically connected with a PLC controller.
5. The security probe convenient to clean of claim 4, wherein: the branch water pipe (25) extends towards the protection screen (13) to form a water spraying pipe (26).
6. The security probe convenient to clean of claim 4, wherein: the scraping component (3) comprises a driving motor (31), a rotating shaft (311), a screw rod (321) and a rubber scraper (33), a protective cover (313) is fixed on the side wall of one end, close to the protective screen (13), of the protective cover (11), the driving motor (31) is fixed inside the protective cover (313), an output shaft of the driving motor (31) penetrates through the protective cover (11) through a through hole reserved in the protective cover (11), the rotating shaft (311) is connected through a coupler, a driving gear (312) is axially fixed on the rotating shaft (311), circular fixture blocks (322) are fixed at two ends of the screw rod (321), grooves (323) corresponding to the circular fixture blocks (322) are formed in the inner walls of two sides of the upper portion of the U-shaped shell (1), a driven gear (32) meshed with the driving gear (312) is fixed at one end, close to the driving gear (312), of the screw rod (321), threaded hole (331) is opened to rubber scraper (33) one end, rubber scraper (33) through threaded hole (331) with screw rod (321) threaded connection, keep away from U-shaped shell (1) the one end of visor (11) be fixed with screw rod (321) parallel arrangement's guide bar (332), the rubber scraper (33) other end through the through-hole of reserving with guide bar (332) sliding connection, rubber scraper (33) with protection screen (13) laminating sets up, driving motor (31) with PLC controller electric connection.
7. The security probe convenient to clean of claim 1, which is characterized in that: bottom plate (7) with the trilateral outside extension that U-shaped shell (1) is adjacent forms joint strip (71), open on U-shaped shell (1) inner wall have with first slot (14) that joint strip (71) correspond, bottom plate (7) pass through joint strip (71) insert first slot (14) with U-shaped shell (1) plug-in connection.
8. The security probe convenient to clean of claim 1, which is characterized in that: the U-shaped shell (1) is provided with a second slot (15) corresponding to the protection screen (13), and the protection screen (13) is inserted into the second slot (15) to be connected with the U-shaped shell (1) in a plug-in mode.
9. The security probe convenient to clean of claim 1, which is characterized in that: water receiving tank (4) top transversely is fixed with water conservancy diversion pole (43), water conservancy diversion pole (43) top bottom plate (7) outer fringe parallel arrangement, peg (42) bottom with water receiving tank (4) fixed connection, spring peg (41) are installed at the top, open on U-shaped shell (1) both sides wall have with screw hole (331) that spring peg (41) correspond, spring peg (41) through screw hole (331) with U-shaped shell (1) threaded connection.
10. The security probe convenient to clean of claim 9, wherein: the flow guide rod (43) is arranged between two side walls of the water receiving tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021178085.XU CN212413269U (en) | 2020-06-23 | 2020-06-23 | Security protection probe convenient to wash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021178085.XU CN212413269U (en) | 2020-06-23 | 2020-06-23 | Security protection probe convenient to wash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212413269U true CN212413269U (en) | 2021-01-26 |
Family
ID=74408104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021178085.XU Expired - Fee Related CN212413269U (en) | 2020-06-23 | 2020-06-23 | Security protection probe convenient to wash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212413269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983300A (en) * | 2021-11-05 | 2022-01-28 | 林环周 | A real-time display device of progress for construction management |
| CN114125231A (en) * | 2021-11-23 | 2022-03-01 | 南通环典计算机技术有限公司 | Intelligent construction environment monitoring equipment based on Internet of things |
-
2020
- 2020-06-23 CN CN202021178085.XU patent/CN212413269U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983300A (en) * | 2021-11-05 | 2022-01-28 | 林环周 | A real-time display device of progress for construction management |
| CN114125231A (en) * | 2021-11-23 | 2022-03-01 | 南通环典计算机技术有限公司 | Intelligent construction environment monitoring equipment based on Internet of things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 |