CN107453246B - A kind of electrical system monitoring device of box-type substation - Google Patents
A kind of electrical system monitoring device of box-type substation Download PDFInfo
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- CN107453246B CN107453246B CN201710681709.6A CN201710681709A CN107453246B CN 107453246 B CN107453246 B CN 107453246B CN 201710681709 A CN201710681709 A CN 201710681709A CN 107453246 B CN107453246 B CN 107453246B
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- box
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- normally opened
- horizontal exhibition
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 238000007689 inspection Methods 0.000 claims abstract description 28
- 230000001360 synchronised effect Effects 0.000 claims abstract description 3
- 239000000779 smoke Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 230000003245 working effect Effects 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000283984 Rodentia Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
A kind of electrical system monitoring device of box-type substation, belongs to substation field, and the present invention is to solve the problems, such as that existing box-type substation lacks to be monitored internal electric system.The present invention includes two screw rods, horizontal exhibition bar, LED light strip, several cameras and electrical system routing inspection unit, two screw rods are arranged in parallel in the two sides that door is leaned in cabinet, horizontal exhibition bar is horizontally set between two screw rods, and the both ends of horizontal exhibition bar pass through screw respectively and two screw rods are rotatablely connected；Motor M drives two screw rod synchronous workings；Horizontal exhibition pole face is evenly distributed with several cameras on the side wall of box house, is provided with LED light strip on the side wall；Horizontal exhibition bar drives camera to run up and down, the intracorporal all electric elements of scan-type monitoring box, and pickup-light source is provided by the LED light strip being arranged on horizontal exhibition bar, moves back and forth the starting of work, stops assigning instruction by remote monitoring center to remote control switch to complete.
Description
Technical field
The invention belongs to substation fields, are related to a kind of failure monitoring technology of box-type substation.
Background technique
Box-type substation is a kind of high-tension switch gear, distribution transformer and low-voltage distribution equipment, by certain connection plan
Line up that integrated prefabrication is indoor, outdoor close-coupled controller switching equipment, i.e., by high powered, transformer pressure-reducing, low-voltage distribution etc.
Function is organically combined, and is mounted on that one moisture-proof, antirust, dust-proof, protection against rodents, fire prevention, antitheft, heat-insulated, totally-enclosed, removable
In dynamic steel-structure box body, electromechanical integration, totally-enclosed operation is after civil engineering power transformation especially suitable for urban network construction and upgradation
The brand-new substation of the one kind to emerge after standing.Box-type substation is suitable for mine, factory and enterprise, oil gas field and wind-power electricity generation
It stands, it becomes novel complete change power distribution equipment instead of original civil engineering power distribution room, power distribution station.Box-type substation is suitable for
Residential quarters, city public transformer, bustling downtown area, construction power supply etc..
Electrical system inside box-type substation includes the electric switch of many physical controls, in order to be safely operated, in case
A variety of monitoring sensors can be equipped with, monitor electric parameter, when a failure occurs, teletransmission is to central control room, electrical installation
Personnel find the box-type substation of failure and check to failure cause, are eventually found failure cause and repair.
In practical applications, in addition to electric parameter needs to monitor, the presence states of the electric elements inside substation are also needed
Monitor, such as whether there is electric spark generation, if there is toy entrance, if having ponding etc., with meet moisture-proof, antirust, it is dust-proof,
The related requests such as protection against rodents, fire prevention, antitheft,
Existing box-type substation lacks the deployment of internal electric elements real time monitoring.
Summary of the invention
The invention aims to solve the problems, such as that existing box-type substation lacks to be monitored internal electric system, mention
A kind of electrical system monitoring device of box-type substation is supplied.
A kind of electrical system monitoring device of box-type substation of the present invention, including two screw rods, horizontal exhibition bar, LED light
Band, bar type convex lens, several cameras and electrical system routing inspection unit,
Two screw rods are arranged in parallel in the two sides that door is leaned in cabinet, and horizontal exhibition bar is horizontally set between two screw rods, horizontal exhibition
The both ends of bar pass through screw respectively and two screw rods are rotatablely connected；Motor M drives two screw rod synchronous workings；
Horizontal exhibition pole face is evenly distributed with several cameras on the side wall of box house, is provided with LED light strip on the side wall,
LED light strip light emission side configures bar type convex lens；
Electrical system routing inspection unit include circuit breaker Q S1, rotate forward A.C. contactor KM1, reversion A.C. contactor KM2, on
Limiter SQ1, lower retainer SQ2, remote control switch and electrothermal relay FR；
The normally opened main contacts KM1-1 and circuit breaker Q S1 that motor M passes sequentially through electrothermal relay FR, rotates forward A.C. contactor KM1
Connect firewire L1, L2, L3；The normally opened main contacts KM2-1 of reversion A.C. contactor KM2 is connected in reverse parallel in normally opened main contacts KM1-1
Both ends；
One end of remote control switch connects firewire L1, and the other end of remote control switch connects the normally opened touching of upper limit device SQ1 simultaneously
One end of the normally opened contact SQ2-2 of one end and lower retainer SQ2 of point SQ1-1；
The one of the normally-closed contact SQ2-1 of the other end connection lower retainer SQ2 of the normally opened contact SQ1-1 of upper limit device SQ1
End, the other end connection of normally-closed contact SQ2-1 rotate forward one end of A.C. contactor KM1 coil；It is normally opened to rotate forward A.C. contactor KM1
Auxiliary contact KM1-2 is connected in parallel on the both ends of normally opened contact SQ1-1；
The one of the normally-closed contact SQ1-2 of the other end connection upper limit device SQ1 of the normally opened contact SQ2-2 of lower retainer SQ2
End, one end of the other end connection reversion A.C. contactor KM2 coil of normally-closed contact SQ1-2；It is normally opened to invert A.C. contactor KM2
Auxiliary contact KM2-2 is connected in parallel on the both ends of normally opened contact SQ2-2；
The other end of the other end and reversion A.C. contactor KM2 coil that rotate forward A.C. contactor KM1 coil connects simultaneously
One end of electrothermal relay FR normally closed auxiliary contact, another terminal connecting zero line N of electrothermal relay FR normally closed auxiliary contact.
Preferably: further including temperature sensor, temperature sensor is arranged on horizontal exhibition bar.
Preferably: further including humidity sensor, humidity sensor is arranged on horizontal exhibition bar.
Preferably: further including smoke sensor device, smoke sensor device is arranged on horizontal exhibition bar.
Preferably: electrical system routing inspection unit further includes inspection switch, and inspection switch is normally closed switch, inspection switch setting
On horizontal exhibition bar, the inspection switch is connected with remote control switch.
Preferably: the quantity of camera is 3.
Beneficial effects of the present invention: being arranged inspection device of the present invention in box-type substation, and horizontal exhibition bar drives on camera
Under move back and forth, the intracorporal all electric elements of scan-type monitoring box, pickup-light source is mentioned by the LED light strip that is arranged on horizontal exhibition bar
For moving back and forth the starting of work, stopping assigning instruction by remote monitoring center to remote control switch to complete.This routine inspection mode
The intracorporal image information of case is presented in real time in face of the staff of remote monitoring center, electronic monitoring parameter biography is effectively made up
The deficiency of the monitorings such as sensor (electric current, voltage ...), can monitor the intracorporal abnormal phenomenon of case at the first time, arrive for staff
Field maintenance provides reference.
Detailed description of the invention
Fig. 1 is the outline structural diagram of box-type substation；
Fig. 2 is a kind of structural schematic diagram of the electrical system monitoring device of box-type substation of the present invention；
Fig. 3 be it is horizontal exhibition bar structural schematic diagram, this figure be out of case to outside case；
Fig. 4 is a kind of inspection control principle drawing of the electrical system monitoring device of box-type substation of the present invention.
Specific embodiment
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, how to apply to the present invention whereby
Technological means solves technical problem, and the realization process for reaching technical effect can fully understand and implement.It needs to illustrate
As long as not constituting conflict, each feature in each embodiment and each embodiment in the present invention can be combined with each other,
It is within the scope of the present invention to be formed by technical solution.
One embodiment: a kind of electrical system monitoring device of box-type substation includes two screw rods 1, horizontal exhibition bar
2, LED light strip 3, bar type convex lens, several cameras 4 and electrical system routing inspection unit,
Two screw rods 1 are arranged in parallel in the two sides that door is leaned in cabinet, and horizontal exhibition bar 2 is horizontally set between two screw rods 1, horizontal
The both ends of exhibition bar 2 pass through screw respectively and two screw rods 1 are rotatablely connected；Motor M drives two screw rods 1 to work asynchronously；
Horizontal exhibition bar 2 is provided with LED light strip 3 on the side wall towards several cameras 4 are evenly distributed on the side wall of box house,
Bar type convex lens are configured in 3 light emission side of LED light strip；
Electrical system routing inspection unit include circuit breaker Q S1, rotate forward A.C. contactor KM1, reversion A.C. contactor KM2, on
Limiter SQ1, lower retainer SQ2, remote control switch and electrothermal relay FR；
The normally opened main contacts KM1-1 and circuit breaker Q S1 that motor M passes sequentially through electrothermal relay FR, rotates forward A.C. contactor KM1
Connect firewire L1, L2, L3；The normally opened main contacts KM2-1 of reversion A.C. contactor KM2 is connected in reverse parallel in normally opened main contacts KM1-1
Both ends；
One end of remote control switch connects firewire L1, and the other end of remote control switch connects the normally opened touching of upper limit device SQ1 simultaneously
One end of the normally opened contact SQ2-2 of one end and lower retainer SQ2 of point SQ1-1；
The one of the normally-closed contact SQ2-1 of the other end connection lower retainer SQ2 of the normally opened contact SQ1-1 of upper limit device SQ1
End, the other end connection of normally-closed contact SQ2-1 rotate forward one end of A.C. contactor KM1 coil；It is normally opened to rotate forward A.C. contactor KM1
Auxiliary contact KM1-2 is connected in parallel on the both ends of normally opened contact SQ1-1；
The one of the normally-closed contact SQ1-2 of the other end connection upper limit device SQ1 of the normally opened contact SQ2-2 of lower retainer SQ2
End, one end of the other end connection reversion A.C. contactor KM2 coil of normally-closed contact SQ1-2；It is normally opened to invert A.C. contactor KM2
Auxiliary contact KM2-2 is connected in parallel on the both ends of normally opened contact SQ2-2；
The other end of the other end and reversion A.C. contactor KM2 coil that rotate forward A.C. contactor KM1 coil connects simultaneously
One end of electrothermal relay FR normally closed auxiliary contact, another terminal connecting zero line N of electrothermal relay FR normally closed auxiliary contact.
Temperature sensor 5, humidity sensor 6 and smoke sensor device 7 are set on horizontal exhibition bar 2.It is intracorporal for monitoring case
Temperature, humidity and smog parameter.It can further judge the reason of causing abnormal phenomenon.
Based on above-mentioned analysis, it is seen that the present embodiment can be brought the following benefits: the present invention is set in box-type substation
Inspection device, horizontal exhibition bar drive camera to run up and down, the intracorporal all electric elements of scan-type monitoring box, pickup-light source
It is provided by the LED light strip 3 being arranged on horizontal exhibition bar, bar type convex lens are round-trip to transport for being enhanced the light that LED light strip projects
The starting of row work stops assigning instruction by remote monitoring center to remote control switch to complete.This routine inspection mode will be in cabinet
Image information be presented in face of the staff of remote monitoring center in real time, effectively make up electronic monitoring parameter sensors (electricity
Stream, voltage ...) etc. monitorings deficiency, can monitor the intracorporal abnormal phenomenon of case at the first time, for staff to scene dimension
Offer reference is provided.
The principle that horizontal exhibition bar 2 works up and down: QS1 is closed, alternating current preparation is accessed, remote monitoring center is assigned
Instruction allows remote control switch to be closed, if horizontal exhibition bar 2 is in upper limit, upper limit device SQ1 is touched by horizontal exhibition bar 2 to be pressed, normally opened touching
Point SQ1-1 closure, KM1 coil obtain electric, normally opened main contacts KM1-1 closure, and motor M rotating forward drives the rotation clockwise of two screw rods 1
Turn, and then screw, horizontal exhibition bar 2 is driven to run down；When horizontal exhibition bar 2 is run to lower limit, lower retainer SQ2 is touched by horizontal exhibition bar 2
Dynamic pressure is closed, normally opened contact SQ2-2 closure, and KM2 coil obtains electric, normally opened main contacts KM2-1 closure, motor M reversion, drive two
A rotation counterclockwise of screw rod 1, and then screw, horizontal exhibition bar 2 is driven to run up；It is run up and down by the above process.
Second embodiment: further including inspection switch 8, and inspection switch 8 is normally closed switch, and inspection switch 8 is arranged in horizontal exhibition
On bar 2, the inspection switch 8 is connected with remote control switch.
To the movement up and down for when field maintenance, needing to stop horizontal exhibition bar 2, refer to without assigning stopping from monitoring center
It enables, disconnects inspection switch 8, the round-trip movement of horizontal exhibition bar 2 can be stopped, being parked in some position.When disconnecting inspection switch 8,
The equal power loss of KM1, KM2 coil, motor M stop working.
Although disclosed herein embodiment it is as above, the content is only to facilitate understanding the present invention and adopting
Embodiment is not intended to limit the invention.Any those skilled in the art to which this invention pertains are not departing from this
Under the premise of the disclosed spirit and scope of invention, any modification and change can be made in the implementing form and in details,
But scope of patent protection of the invention, still should be subject to the scope of the claims as defined in the appended claims.
Claims (6)
1. a kind of electrical system monitoring device of box-type substation, including several cameras (4), which is characterized in that it is also wrapped
Two screw rods (1), horizontal exhibition bar (2), LED light strip (3), bar type convex lens and electrical system routing inspection unit are included,
Two screw rods (1) are arranged in parallel in the two sides that door is leaned in cabinet, and horizontal exhibition bar (2) is horizontally set between two screw rods (1),
The both ends of horizontal exhibition bar (2) pass through screw respectively and two screw rods (1) are rotatablely connected；Motor M drives the synchronous work of two screw rods (1)
Make；
Horizontal exhibition bar (2) is provided with LED light strip on the side wall towards several cameras (4) are evenly distributed on the side wall of box house
(3), bar type convex lens are configured in LED light strip (3) light emission side；
Electrical system routing inspection unit includes circuit breaker Q S1, rotates forward A.C. contactor KM1, reversion A.C. contactor KM2, upper limit
Device SQ1, lower retainer SQ2, remote control switch and electrothermal relay FR；
Motor M passes sequentially through electrothermal relay FR, the normally opened main contacts KM1-1 of rotating forward A.C. contactor KM1 is connected with circuit breaker Q S1
Firewire L1, L2, L3；The normally opened main contacts KM2-1 of reversion A.C. contactor KM2 is connected in reverse parallel in the both ends normally opened main contacts KM1-1；
One end of remote control switch connects firewire L1, and the other end of remote control switch connects the normally opened contact of upper limit device SQ1 simultaneously
One end of the normally opened contact SQ2-2 of one end and lower retainer SQ2 of SQ1-1；
One end of the normally-closed contact SQ2-1 of the other end connection lower retainer SQ2 of the normally opened contact SQ1-1 of upper limit device SQ1, often
The other end connection of closed contact SQ2-1 rotates forward one end of A.C. contactor KM1 coil；Rotate forward the normally opened auxiliary of A.C. contactor KM1
Contact KM1-2 is connected in parallel on the both ends of normally opened contact SQ1-1；
One end of the normally-closed contact SQ1-2 of the other end connection upper limit device SQ1 of the normally opened contact SQ2-2 of lower retainer SQ2, often
One end of the other end connection reversion A.C. contactor KM2 coil of closed contact SQ1-2；Invert the normally opened auxiliary of A.C. contactor KM2
Contact KM2-2 is connected in parallel on the both ends of normally opened contact SQ2-2；
Rotate forward A.C. contactor KM1 coil the other end and reversion A.C. contactor KM2 coil the other end simultaneously connect heat after
One end of electric appliance FR normally closed auxiliary contact, another terminal connecting zero line N of electrothermal relay FR normally closed auxiliary contact.
2. the electrical system monitoring device of a kind of box-type substation according to claim 1, which is characterized in that further include temperature
Sensor (5), temperature sensor (5) are arranged on horizontal exhibition bar (2).
3. the electrical system monitoring device of a kind of box-type substation according to claim 1, which is characterized in that further include humidity
Sensor (6), humidity sensor (6) are arranged on horizontal exhibition bar (2).
4. the electrical system monitoring device of a kind of box-type substation according to claim 1, which is characterized in that further include smog
Sensor (7), smoke sensor device (7) are arranged on horizontal exhibition bar (2).
5. the electrical system monitoring device of a kind of box-type substation according to claim 1, which is characterized in that electrical system is patrolled
Inspection unit further includes inspection switch (8), and inspection switch (8) is normally closed switch, and inspection switch (8) is arranged on horizontal exhibition bar (2), institute
Inspection switch (8) is stated to connect with remote control switch.
6. the electrical system monitoring device of a kind of box-type substation according to claim 1, which is characterized in that camera (4)
Quantity be 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681709.6A CN107453246B (en) | 2017-08-10 | 2017-08-10 | A kind of electrical system monitoring device of box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681709.6A CN107453246B (en) | 2017-08-10 | 2017-08-10 | A kind of electrical system monitoring device of box-type substation |
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| Publication Number | Publication Date |
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| CN107453246A CN107453246A (en) | 2017-12-08 |
| CN107453246B true CN107453246B (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710681709.6A Active CN107453246B (en) | 2017-08-10 | 2017-08-10 | A kind of electrical system monitoring device of box-type substation |
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| CN110445018B (en) * | 2019-08-28 | 2020-06-26 | 江苏堂宇建设工程有限公司 | Distribution box based on visual intelligent controller |
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|---|---|---|---|---|
| CN200981069Y (en) * | 2006-12-13 | 2007-11-28 | 天津市汉沽区茶西制桶厂 | Straight opening barrel brushing device |
| CN101895730A (en) * | 2010-07-07 | 2010-11-24 | 四川电力试验研究院 | Video monitoring system for substation |
| CN204841518U (en) * | 2015-01-05 | 2015-12-09 | 赛诺化工(上海)有限公司 | Mixer that can rise automatically |
| CN106208730A (en) * | 2016-07-18 | 2016-12-07 | 钦州合创电气有限公司 | A kind of new type inverter of controlled rectifier |
| CN106300103A (en) * | 2016-10-25 | 2017-01-04 | 国网河南孟津县供电公司 | The internal inspection device of a kind of enclosed switchgear |
-
2017
- 2017-08-10 CN CN201710681709.6A patent/CN107453246B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200981069Y (en) * | 2006-12-13 | 2007-11-28 | 天津市汉沽区茶西制桶厂 | Straight opening barrel brushing device |
| CN101895730A (en) * | 2010-07-07 | 2010-11-24 | 四川电力试验研究院 | Video monitoring system for substation |
| CN204841518U (en) * | 2015-01-05 | 2015-12-09 | 赛诺化工(上海)有限公司 | Mixer that can rise automatically |
| CN106208730A (en) * | 2016-07-18 | 2016-12-07 | 钦州合创电气有限公司 | A kind of new type inverter of controlled rectifier |
| CN106300103A (en) * | 2016-10-25 | 2017-01-04 | 国网河南孟津县供电公司 | The internal inspection device of a kind of enclosed switchgear |
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| CN107453246A (en) | 2017-12-08 |
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