CN112040177A - Improved urban road monitoring system - Google Patents
Improved urban road monitoring system Download PDFInfo
- Publication number
- CN112040177A CN112040177A CN202010776959.XA CN202010776959A CN112040177A CN 112040177 A CN112040177 A CN 112040177A CN 202010776959 A CN202010776959 A CN 202010776959A CN 112040177 A CN112040177 A CN 112040177A
- Authority
- CN
- China
- Prior art keywords
- cleaning brush
- mirror surface
- cleaning
- flexible mirror
- monitor shell
- 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
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 104
- 239000000428 dust Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses an improved urban road monitoring system, which comprises a monitor shell, a camera arranged in the monitor shell, a camera protection component positioned at the front end of the monitor shell, and a face recognizer positioned in the monitor shell, wherein the camera protection component is arranged at the front end of the monitor shell; the camera protection component cleaning device also comprises a cleaning mechanism which is positioned in the monitor shell and used for cleaning the camera protection component; the camera protection assembly comprises a flexible mirror surface and a driving mechanism for driving the flexible mirror surface to rotate. It adopts the flexible mirror surface as the protection casing of camera, and the flexible mirror surface is the form of conveyer belt, drives flexible mirror surface rotation through first drive roller and second drive roller, and the relative friction takes place for the flexible mirror surface at the rotation in-process, and the cleaning brush that is located the watch-dog casing to scrape the dust on the flexible mirror surface, reach the cleaning action to the flexible mirror surface, make the mirror surface be in dust pollution-free state all the time, solved the easy adhesion dust of current watch-dog mirror surface, influence the problem of watch-dog shooting quality.
Description
Technical Field
The invention relates to the technical field of security monitoring equipment, in particular to an improved urban road monitoring system.
Background
The monitor is a generic term for recording and storing video and audio signals by using a camera storage device. The monitor is widely applied to various fields and plays a role in protecting driving and navigation for enterprise management and social security.
In traffic system, for the running condition of real-time supervision vehicle to guarantee that reasonable, the high-efficient operation of traffic needs install the watch-dog at each road section, install the watch-dog in traffic system, because expose for a long time in the air, more dust can be raised to the vehicle that comes and often, therefore the mirror surface of watch-dog often can the adhesion dust, influences the shooting quality of watch-dog, thereby reduces the control and shoots the effect.
In view of the above, the applicant has made an intensive study to solve the above problems and has made the present invention.
Disclosure of Invention
The invention mainly aims to provide an improved urban road monitoring system, which solves the problems that the mirror surface of the existing monitor is easy to adhere dust, the shooting quality of the monitor is influenced, and the monitoring shooting effect is reduced.
In order to achieve the above purpose, the solution of the invention is: the improved urban road monitoring system comprises a monitor shell, a camera arranged in the monitor shell, a camera protection component positioned at the front end of the monitor shell, and a face recognizer positioned in the monitor shell; the camera protection component cleaning device also comprises a cleaning mechanism which is positioned in the monitor shell and used for cleaning the camera protection component; the camera protection assembly comprises a flexible mirror surface and a driving mechanism for driving the flexible mirror surface to rotate.
Further, the drive mechanism includes a first drive roller and a second drive roller within the monitor housing and carrying the flexible mirror mounted thereon.
Furthermore, the driving mechanism further comprises a driving motor which is positioned on the bottom wall of the monitor shell and bears the first driving roller, a first bearing shaft which is positioned on the bottom wall of the monitor shell and bears the second driving roller, a second bearing shaft which is positioned on the top wall of the monitor shell, corresponds to the second bearing shaft and is on the same straight line with the axis of the second bearing shaft, and a third bearing shaft which is positioned on the top wall of the monitor shell, corresponds to the driving motor and is on the same straight line with the axis of the driving motor.
Further, the flexible mirror is mounted on the first driving roller and the second driving roller in the form of a conveyor belt.
Further, the camera is located between the first drive roller and the second drive roller.
Furthermore, the upper end of one side of the flexible mirror surface, which is close to the outside of the monitor shell, is provided with an upper dust-proof groove, and the lower end of one side of the flexible mirror surface, which is close to the outside of the monitor shell, is provided with a lower dust-proof groove; the upper dust-proof groove and the lower dust-proof groove are fixedly arranged on the inner wall of the monitor shell.
Furthermore, the cleaning mechanism comprises a cleaning brush which is positioned in the monitor shell and used for cleaning the flexible mirror surface, and a cleaning fixing seat which is positioned on the bottom wall of the monitor shell and used for bearing and installing the cleaning brush.
Further, the cleaning brush comprises a first cleaning brush and a second cleaning brush, wherein the first cleaning brush is positioned outside the flexible mirror surface and used for cleaning the outside of the flexible mirror surface, and the second cleaning brush is positioned inside the flexible mirror surface and used for cleaning the inside of the flexible mirror surface; dust storage grooves for storing dust are respectively arranged below the first cleaning brush and the second cleaning brush; the top of first cleaning brush and second cleaning brush is formed with the connecting block of first cleaning brush of fixed connection and second cleaning brush, the top of connecting block is equipped with the handheld portion that supplies the operator to hold.
Furthermore, a first inserting hole for installing and inserting the first cleaning brush and a second inserting hole for installing and inserting the second cleaning brush are formed in the cleaning fixing seat.
Further, a mounting hole for the first cleaning brush and the second cleaning brush to pass through is formed at the top of the monitor shell; the mounting hole is matched with the connecting block.
After the structure is adopted, the improved urban road monitoring system adopts the flexible mirror surface as the protective cover of the camera, the flexible mirror surface is in the form of a conveying belt, the first driving roller and the second driving roller drive the flexible mirror surface to rotate, and the flexible mirror surface generates relative friction with the cleaning brush positioned in the monitor shell in the rotating process, so that dust on the inner side and the outer side of the flexible mirror surface is scraped, the cleaning effect on the flexible mirror surface is achieved, the mirror surface is always in a dust pollution-free state, and the monitoring shooting effect is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is a partial cross-sectional view of a monitor housing according to the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention;
fig. 5 is a schematic structural view of a cleaning brush according to the present invention.
In the figure: 1-monitor shell, 11-upper dustproof groove, 12-lower dustproof groove, 13-mounting hole, 2-camera, 3-camera protection component, 31-flexible mirror surface, 32-driving mechanism, 321-first driving roller, 322-second driving roller, 323-driving motor, 324-first bearing shaft, 325-second bearing shaft, 326-third bearing shaft, 4-cleaning mechanism, 41-cleaning brush, 411-first cleaning brush, 412-second cleaning brush, 413-dust storage groove, 415-connecting block, 416-handheld part, 42-cleaning fixing seat, 421-first plug hole, 422-second plug hole and 5-face recognizer.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1-5, an improved urban road monitoring system comprises a monitor housing 1, a camera 2 mounted in the monitor housing 1, a camera protection component 3 located at the front end of the monitor housing 1, and a face recognizer 5 located in the monitor housing; the cleaning mechanism 4 is positioned in the monitor shell 1 and used for cleaning the camera protection component 3; the camera protection assembly 3 includes a flexible mirror 31 and a driving mechanism 32 for driving the flexible mirror 31 to rotate. Firstly, the flexible mirror 31 is installed on the first driving roller 321 and the second driving roller 322 of the driving mechanism 32 in the form of a conveyor belt, the flexible mirror 31 is driven to rotate by the driving mechanism 32, so that the mirror and the cleaning brush 41 in the monitor shell 1 generate relative friction, dust on the flexible mirror 31 is scraped, the cleaning effect on the flexible mirror 31 is achieved, the flexible mirror 31 is kept in a dust pollution-free state all the time, the monitoring shooting effect is increased, in addition, the camera 2 transmits the shot and collected images to the face recognizer 5 positioned in the monitor shell 1 through a wireless network, a special crowd database is arranged in the face recognizer 5, whether the collected images belong to the special crowd database is judged through comparison of the face recognizer 5, and if the collected images belong to the special crowd database, the face recognizer 5 gives an alarm to the monitoring terminal.
Preferably, drive mechanism 32 includes a first drive roller 321 and a second drive roller 322 located within monitor housing 1 and carrying flexible mirror 31. The flexible mirror 31 is loaded and mounted by the first driving roller 321 and the second driving roller 322, and when the driving rollers rotate, the flexible mirror 31 can be driven to rotate, so that the flexible mirror 31 and the cleaning brush 41 rub against each other, and the cleaning effect on the flexible mirror 31 is achieved.
Preferably, the driving mechanism 32 further includes a driving motor 323 which is located on the bottom wall of the monitor case 1 and carries the first driving roller 321, a first carrying shaft 324 which is located on the bottom wall of the monitor case 1 and carries the second driving roller 322, a second carrying shaft 325 which is located on the top wall of the monitor case 1 and corresponds to the second carrying shaft 325 and is aligned with the axis thereof, and a third carrying shaft 326 which is located on the top wall of the monitor case 1 and corresponds to the driving motor 323 and is aligned with the axis thereof. The first driving roller 321 is installed on the output shaft of the driving motor 323 and the third bearing shaft 326, the second driving roller 322 is installed on the first bearing shaft 324 and the second bearing shaft 325, the plane where the axis of the first driving roller 321 and the axis of the second driving roller 322 are located is parallel to the plane where the front end of the monitor housing 1 is located, and the driving motor 323 drives the first driving roller 321 to rotate, so as to drive the flexible mirror surface 31 to rotate.
Preferably, the flexible mirror 31 is mounted on the first driving roller 321 and the second driving roller 322 in the form of a belt. Through the form of conveyer belt, can make flexible mirror surface 31 rotate, make flexible mirror surface 31 and cleaning brush 41 take place relative friction, flexible mirror surface 31 remains the dust pollution state throughout, increases the control and shoots the effect.
Preferably, the camera 2 is positioned between the first driving roller 321 and the second driving roller 322. The camera 2 is located between the first driving roller 321 and the second driving roller 322, so that the road can be better monitored.
Preferably, the upper end of one side of the flexible mirror 31 close to the outside of the monitor shell 1 is provided with an upper dust-proof slot 11, and the lower end of one side close to the outside of the monitor shell 1 is provided with a lower dust-proof slot 12; the upper dust-proof groove 11 and the lower dust-proof groove 11 are fixedly arranged on the inner wall of the monitor shell 1. The upper dust-proof groove 11 and the lower dust-proof groove 12 respectively wrap the upper end and the lower end of one side of the flexible mirror 31 close to the outside of the monitor housing 1, so as to prevent dust from entering the inner side of the flexible mirror 31 from a gap between the front end of the monitor housing 1 and the flexible mirror 32.
Preferably, the cleaning mechanism 4 includes a cleaning brush 41 located in the monitor housing 1 for cleaning the flexible mirror 31, and a cleaning holder 42 located on the bottom wall of the monitor housing 1 for carrying the cleaning brush 41. The cleaning brush 41 is vertically disposed to ensure that the cleaning brush 41 can completely scrape off the dust on the flexible mirror 31.
Preferably, the cleaning brush 41 includes a first cleaning brush 411 located outside the flexible mirror 31 to clean the outside of the flexible mirror 31, and a second cleaning brush 412 located inside the flexible mirror 31 to clean the inside of the flexible mirror 31; a dust storage groove 413 for storing dust is respectively arranged below the first cleaning brush 411 and the second cleaning brush 412; a connecting block 415 fixedly connecting the first cleaning brush 411 and the second cleaning brush 412 is formed on the top of the first cleaning brush 411 and the second cleaning brush 412, and a handheld part 416 for an operator to hold is arranged above the connecting block 415. The first cleaning brush 411 and the second cleaning brush 412 clean and remove dust from the inner side and the outer side of the flexible mirror 31 at the same time, so that the cleaning effect can be optimized. In addition, the dust swept down by the cleaning brush 41 is stored by the dust storage groove 413 to prevent the dust from adhering to other positions inside the monitor housing 1.
Preferably, the cleaning fixing base 42 is formed with a first insertion hole 421 for the first cleaning brush 411 to be inserted and a second insertion hole 422 for the second cleaning brush 412 to be inserted and inserted. The cleaning brush can be more stable through the first inserting hole 421 and the second inserting hole 422 of the cleaning fixing seat 42.
Preferably, the monitor case is formed at the top thereof with a mounting hole 13 for the first cleaning brush 411 and the second cleaning brush 412 to pass through; mounting hole 13 mates with attachment block 415. When the cleaning brush 41 is used for a period of time, it can be taken out from the mounting hole 13, and the dust on the cleaning brush 41 can be cleaned and then mounted back. In addition, the connection block 415 may be made of a rubber material having elasticity so as to facilitate the mounting and dismounting of the cleaning brush 41 and prevent dust from entering the monitor case 1 through the mounting hole 13.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (10)
1. An improved urban road monitoring system comprises a monitor shell, a camera arranged in the monitor shell, a camera protection component positioned at the front end of the monitor shell, and a face recognizer positioned in the monitor shell; the method is characterized in that: the camera protection component cleaning device also comprises a cleaning mechanism which is positioned in the monitor shell and used for cleaning the camera protection component; the camera protection assembly comprises a flexible mirror surface and a driving mechanism for driving the flexible mirror surface to rotate.
2. An improved urban road monitoring system according to claim 1, characterized in that: the drive mechanism includes a first drive roller and a second drive roller within the monitor housing and carrying the flexible mirror mounted thereon.
3. An improved urban road monitoring system according to claim 2, characterized in that: the driving mechanism further comprises a driving motor which is positioned on the bottom wall of the monitor shell and bears the first driving roller, a first bearing shaft which is positioned on the bottom wall of the monitor shell and bears the second driving roller, a second bearing shaft which is positioned on the top wall of the monitor shell, corresponds to the second bearing shaft and is on the same straight line with the axis of the second bearing shaft, and a third bearing shaft which is positioned on the top wall of the monitor shell, corresponds to the driving motor and is on the same straight line with the axis of the driving motor.
4. An improved urban road monitoring system according to claim 3, characterized in that: the flexible mirror is mounted on the first and second drive rollers in the form of a conveyor belt.
5. An improved urban road monitoring system according to claim 3, characterized in that: the camera is located between the first drive roller and the second drive roller.
6. An improved urban road monitoring system according to claim 5, characterized in that: the upper end of one side of the flexible mirror surface, which is close to the outer part of the monitor shell, is provided with an upper dust-proof groove, and the lower end of one side of the flexible mirror surface, which is close to the outer part of the monitor shell, is provided with a lower dust-proof groove; the upper dust-proof groove and the lower dust-proof groove are fixedly arranged on the inner wall of the monitor shell.
7. An improved urban road monitoring system according to any one of claims 1 to 6, characterized in that: the cleaning mechanism comprises a cleaning brush and a cleaning fixing seat, wherein the cleaning brush is positioned in the monitor shell and used for cleaning the flexible mirror surface, and the cleaning fixing seat is positioned on the bottom wall of the monitor shell and used for bearing and installing the cleaning brush.
8. An improved urban road monitoring system according to claim 7, characterized in that: the cleaning brush comprises a first cleaning brush and a second cleaning brush, wherein the first cleaning brush is positioned on the outer side of the flexible mirror surface and used for cleaning the outer side of the flexible mirror surface, and the second cleaning brush is positioned on the inner side of the flexible mirror surface and used for cleaning the inner side of the flexible mirror surface; dust storage grooves for storing dust are respectively arranged below the first cleaning brush and the second cleaning brush; the top of first cleaning brush and second cleaning brush is formed with the connecting block of first cleaning brush of fixed connection and second cleaning brush, the top of connecting block is equipped with the handheld portion that supplies the operator to hold.
9. An improved urban road monitoring system according to claim 8, characterized in that: a first inserting hole for installing and inserting the first cleaning brush and a second inserting hole for installing and inserting the second cleaning brush are formed in the cleaning fixing seat.
10. An improved urban road monitoring system according to claim 9, characterized in that: the top of the monitor shell is provided with a mounting hole for the first cleaning brush and the second cleaning brush to pass through; the mounting hole is matched with the connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776959.XA CN112040177B (en) | 2020-08-05 | 2020-08-05 | Improved urban road monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776959.XA CN112040177B (en) | 2020-08-05 | 2020-08-05 | Improved urban road monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112040177A true CN112040177A (en) | 2020-12-04 |
| CN112040177B CN112040177B (en) | 2022-06-24 |
Family
ID=73582023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010776959.XA Active CN112040177B (en) | 2020-08-05 | 2020-08-05 | Improved urban road monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112040177B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117395481A (en) * | 2023-12-11 | 2024-01-12 | 广州番禺职业技术学院 | Cold chain logistics monitoring camera device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10104167A (en) * | 1996-09-27 | 1998-04-24 | Koki Kogyo:Kk | Device for inspecting inner surface of pipe |
| US20130086765A1 (en) * | 2011-10-05 | 2013-04-11 | Hwan Ming Enterprise Co., Ltd | Automatic clean device for a surveillance camera |
| CN107983676A (en) * | 2017-12-27 | 2018-05-04 | 重庆辰罡科技有限公司 | A kind of backing plate cleaning device for wolfram steel production |
| CN108495009A (en) * | 2018-05-24 | 2018-09-04 | 许得宽 | A kind of road monitoring device with dedusting function |
| CN209120299U (en) * | 2018-11-02 | 2019-07-16 | 西安兴仪科技股份有限公司 | A kind of highway with can the outer mirror surface of automated cleaning monitoring camera |
| CN209299359U (en) * | 2018-11-27 | 2019-08-23 | 河南俊雅电子科技有限公司 | A kind of dust-proof cleaning monitoring camera |
| CN211128006U (en) * | 2020-03-06 | 2020-07-28 | 昆山家诺信息技术有限公司 | Self-cleaning video monitoring system based on face recognition technology |
-
2020
- 2020-08-05 CN CN202010776959.XA patent/CN112040177B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10104167A (en) * | 1996-09-27 | 1998-04-24 | Koki Kogyo:Kk | Device for inspecting inner surface of pipe |
| US20130086765A1 (en) * | 2011-10-05 | 2013-04-11 | Hwan Ming Enterprise Co., Ltd | Automatic clean device for a surveillance camera |
| CN107983676A (en) * | 2017-12-27 | 2018-05-04 | 重庆辰罡科技有限公司 | A kind of backing plate cleaning device for wolfram steel production |
| CN108495009A (en) * | 2018-05-24 | 2018-09-04 | 许得宽 | A kind of road monitoring device with dedusting function |
| CN209120299U (en) * | 2018-11-02 | 2019-07-16 | 西安兴仪科技股份有限公司 | A kind of highway with can the outer mirror surface of automated cleaning monitoring camera |
| CN209299359U (en) * | 2018-11-27 | 2019-08-23 | 河南俊雅电子科技有限公司 | A kind of dust-proof cleaning monitoring camera |
| CN211128006U (en) * | 2020-03-06 | 2020-07-28 | 昆山家诺信息技术有限公司 | Self-cleaning video monitoring system based on face recognition technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117395481A (en) * | 2023-12-11 | 2024-01-12 | 广州番禺职业技术学院 | Cold chain logistics monitoring camera device |
| CN117395481B (en) * | 2023-12-11 | 2024-03-29 | 广州番禺职业技术学院 | Cold chain logistics monitoring camera device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112040177B (en) | 2022-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112040177B (en) | Improved urban road monitoring system | |
| CN211128006U (en) | Self-cleaning video monitoring system based on face recognition technology | |
| CN113285550B (en) | Brushless submersible motor capable of preventing erosion and self-cleaning through motor driving | |
| CN110454059B (en) | Automatic face recognition device for door leaf installation | |
| CN216214710U (en) | Wiping line protector | |
| CN113500020B (en) | Automatic cleaning device for vibrating mirror | |
| CN215010464U (en) | Monitoring device based on distributed network | |
| CN214409302U (en) | Novel tunnel fault car detects device | |
| CN212284957U (en) | Campus surveillance camera head is with clearance structure | |
| CN215314180U (en) | Family monitoring device with waterproof function | |
| CN210567145U (en) | Intelligent monitoring camera | |
| CN210788270U (en) | Material belt dust removing device | |
| CN219560608U (en) | Connecting wire with wire body dust removal function | |
| CN218413733U (en) | Monitoring equipment for traffic signals | |
| CN220901150U (en) | Impurity removing mechanism of coal mine ventilation resistance monitoring device | |
| CN221043028U (en) | Public safety monitoring equipment | |
| CN216356943U (en) | Vehicle-mounted AI intelligent electronic wireless safety monitoring device | |
| CN110650283A (en) | From mining camera of taking clearance function | |
| CN221598034U (en) | Monitoring device | |
| CN218819124U (en) | Monitoring device for urban traffic | |
| CN215818391U (en) | Vehicle-mounted monitoring device based on Internet of things | |
| CN215734486U (en) | Pedestrian behavior monitoring equipment with low power consumption | |
| CN220983257U (en) | Oil gas field production safety inspection equipment | |
| CN217235076U (en) | Dustproof monitoring device | |
| CN219372145U (en) | Generator regulator |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |