CN110519505A - It is a kind of based on the calculator room equipment of Internet of Things power consumption monitoring device - Google Patents
It is a kind of based on the calculator room equipment of Internet of Things power consumption monitoring device Download PDFInfo
- Publication number
- CN110519505A CN110519505A CN201910650352.4A CN201910650352A CN110519505A CN 110519505 A CN110519505 A CN 110519505A CN 201910650352 A CN201910650352 A CN 201910650352A CN 110519505 A CN110519505 A CN 110519505A
- Authority
- CN
- China
- Prior art keywords
- motor
- box body
- annular
- rack
- guide 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.)
- Granted
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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
- 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
-
- 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
-
- 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
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
- F16M13/027—Ceiling supports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
It is a kind of based on the calculator room equipment of Internet of Things power consumption monitoring device, including two guide plates, the spacing of two guide plates is equal everywhere, and the top of guide plate is fixedly connected with roof, guide plate is that the bending of putting of equipment is arranged along computer room, and disk-shaped box body is equipped between two guide plates.The direction adjustment of camera is cleverly combined with movement, and structure is simple, circularly monitoring can be carried out to the equipment in entire computer room by one group of present invention, monitoring cost reduces.Two annular the two-sided racks can rotate under the drive of first motor and the second motor, cooperation is engaged by the annular the two-sided rack of upside and the first single-side rack and the shape the two-sided rack of downside and the second single-side rack, high-definition camera is rotated with box body, the movement and rotation of high-definition camera are realized by the design of simple structure, use reliability is high, at low cost.
Description
Technical field
The invention belongs to Internet of Things monitoring technology field, specifically a kind of calculator room equipment power consumption based on Internet of Things
Monitoring device.
Background technique
Monitoring system is using most one of systems in security system, and the building site being more suitble on the market now monitors system
System is handheld video communication equipment, and video monitoring is mainstream now, from earliest simulation monitoring to burning hot digital supervision a few years ago
Network Video Surveillance in the ascendant till now again, has occurred earth-shaking variation.However the existing monitoring based on Internet of Things is set
Standby camera majority is fixedly mounted at certain position, the monitoring of different directions is realized by rotation camera, one is taken the photograph
Monitoring range can be increased as head passes through change shooting angle, but this monitor mode is difficult to realize a small amount of camera to machine
Multiple equipment and multiple angles are monitored in room, it is desirable to complete the monitoring of large-scale computer room, it is necessary to arrange that multiple cameras carry out
Monitoring, will result in being greatly improved for construction cost in this way.
Summary of the invention
The present invention provide it is a kind of based on the calculator room equipment of Internet of Things power consumption monitoring device, it is in the prior art to solve
Defect.
The present invention is achieved by the following technical programs:
It is a kind of based on the calculator room equipment of Internet of Things power consumption monitoring device, including two guide plates, at the spacing of two guide plates
Locate equal, the top of guide plate is fixedly connected with roof, and guide plate is that equipment puts bending setting, two guiding along computer room
Disk-shaped box body is equipped between plate, box body is the fixed suit annulus of transverse direction and periphery, and the medial surface of two guide plates opens up
Guide chute, the two sides of annulus are extend into corresponding guide chute, and the upper and lower ends of box body are symmetrically fixedly mounted annular double
The first single-side rack, right side is fixedly mounted in the position of face rack gear, the annular the two-sided rack of the corresponding upside in guide plate inside in left side
Guide plate on the inside of the position of annular the two-sided rack of corresponding downside be fixedly mounted the second single-side rack, the first single-side rack and the
Two single-side racks are arranged along the length direction of corresponding guide plate, the annular the two-sided rack outer ring tooth and the first single cog of upside
Item engagement cooperation, the annular the two-sided rack outer ring tooth of downside engage cooperation with the second single-side rack, tray interior fixed installation the
One motor and the second motor, first motor and the second motor are located at the intracorporal two sides of box, the output shaft upper end of first motor
First gear, the annular the two-sided rack inner ring tooth engagement cooperation of first gear and upside, the output shaft of the second motor is fixedly mounted
Second gear is fixedly mounted in lower end, and second gear engages cooperation with the annular the two-sided rack inner ring of downside, is equipped with electric power storage in box body
Pond, controller and signal projector, box body bottom middle are fixed by the bracket installation high-definition camera, and high-definition camera is to incline
Oblique certain angle, controller, signal projector, high-definition camera, first motor and the second motor are connected to the battery, signal
Transmitter, high-definition camera, first motor are connected with controller with the second motor.
As described above a kind of based on the calculator room equipment of Internet of Things power consumption monitoring device, the box body top is equipped with electricity
It brushes, is coupled one group of supply lines on the roof between two guide plates, brush is electrical connected with supply lines, brush and control
Device, signal projector, high-definition camera, first motor, the second motor are connected.
As described above a kind of based on the calculator room equipment of Internet of Things power consumption monitoring device, the annulus bottom surface opens up more
A equally distributed spherical groove is coupled sphere in spherical groove, and sphere is engaged with corresponding guide chute inner bottom surface.
The invention has the advantages that the present invention is adapted for mount on the roof in computer room, two guide plates form flexible rail
Road, box body flexibly can be moved and be rotated between two guide plates under power drive, so that high-definition camera be driven to move
Monitored picture is based on Internet of Things by controller and signal projector and is sent to monitoring center by dynamic and rotation, high-definition camera,
Monitoring center can the power consumption at any time to equipment in computer room be monitored, the present invention carries out the adjustment of the direction of camera with mobile
Cleverly combining, structure is simple, and it is powerful, the equipment in entire computer room can be recycled by one group of present invention
Monitoring, monitoring cost reduce.Two annular the two-sided racks can rotate under the drive of first motor and the second motor, by upper
The annular the two-sided rack of side and the first single-side rack and the shape the two-sided rack of downside engage cooperation with the second single-side rack, when upper
The annular the two-sided rack of side rotates counterclockwise (viewed from above), the annular the two-sided rack of downside rotates clockwise (from top to bottom
See) and two annular the two-sided rack revolving speeds it is equal when box body can be moved along the length direction of guide plate, when two annulars are two-sided
When rack gear revolving speed difference, box body can be rotated centered on central axis by the mobile one side of an edge guide plate, and box body itself turns
It can be between two guide plates constantly under the cooperation of annulus and two guide chutes when dynamic, high-definition camera turns with box body
It is dynamic, the movement and rotation of high-definition camera are realized by the design of simple structure by the design, use reliability is high, cost
It is low.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the invention；Fig. 2 is I partial enlarged view of Fig. 1.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
It is a kind of based on the calculator room equipment of Internet of Things power consumption monitoring device, as shown, include two guide plates 1, two
The spacing of guide plate 1 is equal everywhere, the top of guide plate 1 is fixedly connected with roof, and guide plate 1 is that equipment is put along computer room
It is bent setting, disk-shaped box body 2 is equipped between two guide plates 1, box body 2 is transverse direction and periphery is fixed and is set with annulus 3, two
The medial surface of guide plate 1 opens up guide chute 4, and the two sides of annulus 3 are extend into corresponding guide chute 4, box body 2 it is upper
Annular the two-sided rack 5 is symmetrically fixedly mounted in lower both ends, the position of the annular the two-sided rack 5 of corresponding upside on the inside of the guide plate 1 in left side
It sets and the first single-side rack 6 is fixedly mounted, the fixed peace in the position of the annular the two-sided rack 5 of corresponding downside on the inside of the guide plate 1 on right side
The second single-side rack 7 is filled, the first single-side rack 6 is arranged along the length direction of corresponding guide plate 1 with the second single-side rack 7,
The 5 outer ring tooth of annular the two-sided rack of upside engages cooperation with the first single-side rack 6, the 5 outer ring tooth of annular the two-sided rack of downside with
The engagement of second single-side rack 7 cooperates, and first motor 8 and the second motor 9, first motor 8 and the second electricity are fixedly mounted inside box body 2
Machine 9 is located at the two sides in box body 2, and the output shaft upper end of first motor 8 is fixedly mounted first gear 10, first gear 10 with
The 5 inner ring tooth engagement of annular the two-sided rack of upside cooperates, and second gear 11 is fixedly mounted in the output shaft lower end of the second motor 9, the
Two gears 11 engage cooperation with 5 inner ring of annular the two-sided rack of downside, are equipped with battery 12, controller 13 and signal in box body 2
Transmitter 15,2 bottom middle of box body are fixed by the bracket installation high-definition camera 14, and high-definition camera 14 is to tilt certain angle
Degree, controller 13, signal projector 15, high-definition camera 14, first motor 8 are connected with battery 12 with the second motor 9, believe
Number transmitter 15, high-definition camera 14, first motor 8 are connected with controller 13 with the second motor 9.The present invention is adapted for mount on
Roof in computer room, two guide plates 1 form flexible track, box body 2 under power drive can two guide plates 1 it
Between flexibly move and rotate, to drive high-definition camera 14 mobile and monitored picture is passed through control by rotation, high-definition camera
Device and signal projector processed are based on Internet of Things and are sent to monitoring center, monitoring center can the power consumption to equipment in computer room at any time into
Row monitoring, the present invention are cleverly combined the direction adjustment of camera with movement, and structure is simple, powerful, Ke Yitong
Circularly monitoring can be carried out to the equipment in entire computer room by crossing one group of present invention, and monitoring cost reduces.In first motor and second
The drive of motor lower two annular the two-sided racks 5 can rotate, and pass through the annular the two-sided rack 5 and the first single-side rack 6 of upside
And the shape the two-sided rack 5 of downside and the second single-side rack 7 engage cooperation, when the annular the two-sided rack 5 of upside rotates counterclockwise
The annular the two-sided rack 5 of (viewed from above), downside rotates clockwise (viewed from above) and two 5 revolving speeds of annular the two-sided rack
Box body can be moved along the length direction of guide plate 1 when equal, and when two annular 5 revolving speed differences of the two-sided rack, box body can be with
One edge guide plate 1 is mobile to be rotated centered on central axis on one side, in annulus 3 and two guiding cunnings when box body own rotation
Can be constantly between two guide plates under the cooperation of slot 4, high-definition camera is rotated with box body, is passed through by the design simple
Structure design realize the movement and rotation of high-definition camera, use reliability is high, at low cost.
Specifically, as shown, brush 16 is equipped at the top of box body 2 described in the present embodiment, between two guide plates 1
One group of supply lines 17 is coupled on roof, brush 16 is electrical connected with supply lines 17, brush and controller 13, signal projector
15, high-definition camera 14, first motor 8, the second motor 9 are connected.It is internal to the present invention by the cooperation of supply lines and brush
Powered with electrical accessory, the present invention can be made to keep prolonged working, it is not necessary to frequently replace battery, use
It is convenient.
Specifically, as shown, 3 bottom surface of annulus described in the present embodiment opens up multiple equally distributed spherical grooves 18, ball
Sphere 19 is coupled in shape slot 18, sphere 19 is engaged with corresponding 4 inner bottom surface of guide chute.Annulus 3 passes through sphere 19
It is engaged with 4 inner bottom surface of guide chute, it is possible to reduce the frictional force between annulus and guide chute is reduced between components
Abrasion, improves service life of the invention, keeps present invention operation more smooth.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (3)
1. a kind of based on the calculator room equipment of Internet of Things power consumption monitoring device, it is characterised in that: including two guide plates (1), two
The spacing of root guide plate (1) is equal everywhere, and the top of guide plate (1) is fixedly connected with roof, and guide plate (1) is to set along computer room
Standby puts bending setting, is equipped with disk-shaped box body (2) between two guide plates (1), box body (2) is transverse direction and periphery is fixed
It is set with annulus (3), the medial surface of two guide plates (1) opens up guide chute (4), and the two sides of annulus (3) extend into correspondence
Guide chute (4) in, the upper and lower ends of box body (2) is symmetrically fixedly mounted annular the two-sided rack (5), the guide plate (1) in left side
The first single-side rack (6) are fixedly mounted in the position of the annular the two-sided rack (5) of the corresponding upside in inside, in the guide plate (1) on right side
The second single-side rack (7) are fixedly mounted in the position of the annular the two-sided rack (5) of the corresponding downside in side, the first single-side rack (6) and the
Two single-side racks (7) along corresponding guide plate (1) length direction be arranged, annular the two-sided rack (5) the outer ring tooth of upside with
First single-side rack (6) engagement cooperation, annular the two-sided rack (5) the outer ring tooth of downside engage cooperation with the second single-side rack (7),
It is fixedly mounted inside box body (2) first motor (8) and the second motor (9), first motor (8) is located at the second motor (9)
First gear (10) are fixedly mounted in two sides in box body (2), the output shaft upper end of first motor (8), first gear (10) with it is upper
Annular the two-sided rack (5) the inner ring tooth engagement of side cooperates, and second gear is fixedly mounted in the output shaft lower end of the second motor (9)
(11), second gear (11) engages cooperation with annular the two-sided rack (5) inner ring of downside, be equipped in box body (2) battery (12),
Controller (13) and signal projector (15), box body (2) bottom middle is fixed by the bracket installation high-definition camera (14), high
Clear camera (14) is to be tilted a certain angle, controller (13), signal projector (15), high-definition camera (14), first motor
(8) it is connected with battery (12) with the second motor (9), signal projector (15), high-definition camera (14), first motor (8)
It is connected with controller (13) with the second motor (9).
2. according to claim 1 a kind of based on the calculator room equipment of Internet of Things power consumption monitoring device, it is characterised in that: institute
Brush (16) are equipped at the top of the box body (2) stated, are coupled one group of supply lines (17) on the roof between two guide plates (1),
Brush (16) is electrical connected with supply lines (17), brush and controller (13), signal projector (15), high-definition camera (14),
First motor (8), the second motor (9) are connected.
3. according to claim 1 a kind of based on the calculator room equipment of Internet of Things power consumption monitoring device, it is characterised in that: institute
Annulus (3) bottom surface stated opens up multiple equally distributed spherical grooves (18), is coupled sphere (19), sphere in spherical groove (18)
(19) it is engaged with corresponding guide chute (4) inner bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910650352.4A CN110519505B (en) | 2019-07-18 | 2019-07-18 | Power consumption monitoring device for machine room equipment based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910650352.4A CN110519505B (en) | 2019-07-18 | 2019-07-18 | Power consumption monitoring device for machine room equipment based on Internet of things |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110519505A true CN110519505A (en) | 2019-11-29 |
| CN110519505B CN110519505B (en) | 2020-10-30 |
Family
ID=68624016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910650352.4A Expired - Fee Related CN110519505B (en) | 2019-07-18 | 2019-07-18 | Power consumption monitoring device for machine room equipment based on Internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110519505B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111580573A (en) * | 2020-05-28 | 2020-08-25 | 北京中农绿源工程技术有限公司 | Greenhouse monitoring system for facility agriculture |
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| JP2002325192A (en) * | 2001-04-26 | 2002-11-08 | Aiphone Co Ltd | Tilt structure of entrance unit with camera |
| CN108426143A (en) * | 2018-03-13 | 2018-08-21 | 天津恒泰渤园科技发展有限公司 | A kind of wide-angle security monitoring device |
| CN208283358U (en) * | 2018-05-11 | 2018-12-25 | 大连庆鸿科技有限公司 | A kind of device convenient for ship equipment inspection |
| CN109140155A (en) * | 2018-10-09 | 2019-01-04 | 郑州森之林电子科技有限公司 | A kind of multi-direction adjustable projection arrangement |
| CN208719777U (en) * | 2018-07-04 | 2019-04-09 | 绍兴市上虞区虞风计算机网络工程有限公司 | A kind of community security protection Portable safety protection device |
| CN209068080U (en) * | 2018-08-31 | 2019-07-05 | 四川能投云电科技有限公司 | A kind of power station video monitoring apparatus |
| CN109990184A (en) * | 2019-04-22 | 2019-07-09 | 中国水利水电科学研究院 | A kind of field-crop information collecting device |
| CN209294726U (en) * | 2019-01-05 | 2019-08-23 | 天津兆瑭科技发展有限公司 | A kind of monitoring camera expanding monitoring area |
-
2019
- 2019-07-18 CN CN201910650352.4A patent/CN110519505B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002325192A (en) * | 2001-04-26 | 2002-11-08 | Aiphone Co Ltd | Tilt structure of entrance unit with camera |
| CN108426143A (en) * | 2018-03-13 | 2018-08-21 | 天津恒泰渤园科技发展有限公司 | A kind of wide-angle security monitoring device |
| CN208283358U (en) * | 2018-05-11 | 2018-12-25 | 大连庆鸿科技有限公司 | A kind of device convenient for ship equipment inspection |
| CN208719777U (en) * | 2018-07-04 | 2019-04-09 | 绍兴市上虞区虞风计算机网络工程有限公司 | A kind of community security protection Portable safety protection device |
| CN209068080U (en) * | 2018-08-31 | 2019-07-05 | 四川能投云电科技有限公司 | A kind of power station video monitoring apparatus |
| CN109140155A (en) * | 2018-10-09 | 2019-01-04 | 郑州森之林电子科技有限公司 | A kind of multi-direction adjustable projection arrangement |
| CN209294726U (en) * | 2019-01-05 | 2019-08-23 | 天津兆瑭科技发展有限公司 | A kind of monitoring camera expanding monitoring area |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111580573A (en) * | 2020-05-28 | 2020-08-25 | 北京中农绿源工程技术有限公司 | Greenhouse monitoring system for facility agriculture |
| CN111580573B (en) * | 2020-05-28 | 2021-05-07 | 北京中农绿源工程技术有限公司 | Greenhouse monitoring system for facility agriculture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110519505B (en) | 2020-10-30 |
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Granted publication date: 20201030 Termination date: 20210718 |