CN203813225U - Intelligent integrated distribution box - Google Patents
Intelligent integrated distribution box Download PDFInfo
- Publication number
- CN203813225U CN203813225U CN201420188770.9U CN201420188770U CN203813225U CN 203813225 U CN203813225 U CN 203813225U CN 201420188770 U CN201420188770 U CN 201420188770U CN 203813225 U CN203813225 U CN 203813225U
- Authority
- CN
- China
- Prior art keywords
- module
- auxiliary contact
- distribution box
- power
- circuit
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000006854 communication Effects 0.000 claims abstract description 24
- 238000000819 phase cycle Methods 0.000 claims abstract description 21
- 238000010248 power generation Methods 0.000 claims abstract description 15
- 238000004378 air conditioning Methods 0.000 claims description 25
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 2
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 208000033999 Device damage Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Abstract
The utility model discloses an intelligent integrated distribution box. The intelligent integrated distribution box comprises a box body, and a matching module which is used for collecting a commercial power output current of a distribution station, wherein a first control module is disposed in the box body, an input terminal of the first control module is connected with an external input device, a power supply module, a clock module, a voltage collecting module, a first current collecting module, an electric energy detection circuit, an oil engine power generation detection module, a phase sequence detection module, and a selection switch module; a second control module is disposed in the matching module, an input terminal of the second control module is connected with the first current collecting module, and an output terminal is connected with a second ZIGBEE module through a second communication module. The intelligent integrated distribution box has beneficial effects of being capable of achieving upgrading for maintenance and management of the system through integration of functions and resources, being capable of saving limited resource, and being capable of avoiding secondary waste. The reliability of the system is improved greatly, maintenance and construction costs are reduced, and space resource is saved through integration, communication, and transmission of various functions.
Description
Technical field
The utility model relates to intelligent power distribution field, relates in particular to a kind of intelligent integral distribution box.
Background technology
The existing distribution box configuration in base station is more chaotic, profile is inconsistent, and this has brought a lot of troubles in operation and maintenance process.Wherein the lower product of configuration can not meet the demand of updating and management, affects progress and the cost of maintenance work upgrading.Simultaneous potential safety hazard has also caused many accidents and loss, as personnel get an electric shock, on fire, the electric fault of circuit or the device damage that causes because product quality is aging etc.
The less distribution box of function has also caused the increase of the maintenance work of secondary transformation, three transformations when can not meeting system requirements.Not only increase workload, also increased cost.In follow-up transformation or system upgrade work, also can produce considerable influence to the performance of system, such as, the equipment increasing in transformation process will take the confined space resource of base station; Be positioned on the residual voltage that the lightning protection device on distribution box side causes because wiring is oversize too high, will affect lightning protection effect of SPD etc. in this case.
Mainly there is following defect in the existing distribution box in base station:
1. ordinary electric meter cannot output pulse signal, can not upload by power & environment supervision, and be realized by long-distance meter-reading system, and such two systems can not be compatible, is unfavorable for unified management.
2. there is no the base station of dynamic environment monitoring main frame, staff need to go base stations in person, causes the waste of manpower and materials.
3. hydro power generation measuring ability is single, can not comprehensively detect the parameters such as hydro power generation voltage, electric current, power, energy output and generating dutation.
4. many base stations unattended operation, base station electric power system is easy to be sneaked current.
5. data are uploaded by power & environment supervision, need regularly to power & environment supervision company paying.
Utility model content
The purpose of this utility model is exactly in order to address the above problem, and has proposed a kind of intelligent integral distribution box of saving limited resources and avoiding repetition and waste.
To achieve these goals, the utility model adopts following technical scheme:
A kind of intelligent integral distribution box, comprise casing and for gathering the matching module of transformer station civil power output current, in described casing, be provided with control module one, the input of control module one connects respectively external input device, power module, clock module, voltage acquisition module, current acquisition module one, power detection circuit, hydro power generation detection module, phase sequence detection module and selector switch module.
The output of control module one is connection data display device, indicator light display module, buzzer module, phase sequence control module and communication module one respectively.
Described communication module one is connected respectively with ZIGBEE module one and GPRS DTU; Described phase sequence control module is connected with relay module, and relay module is connected with air-conditioning through A.C. contactor auxiliary contact; Phase sequence detection module is connected with air-conditioning.
The input of transfer switch is connected with oil machine input and civil power input respectively, output is connected with A.C. contactor auxiliary contact, and A.C. contactor auxiliary contact connect air-conditioning.
In described matching module, be provided with control module two, the input of control module two connects current acquisition module one, output connects ZIGBEE module two through communication module two.
Described casing is communicated by letter with ZIGBEE module two by ZIGBEE module one with matching module.
Described oil machine input is connected with hydro power generation detection module, and civil power input is connected with voltage acquisition module, current acquisition module one and electric energy detection module respectively.
Described communication module one comprises that 485 communicating circuits one and 485 communicating circuit two, 485 communicating circuits one are connected with ZIGBEE module one, and 485 communicating circuits two are connected with GPRS DTU; Described communication module two is that 485 communicating circuit three, 485 communicating circuits three are connected with ZIGBEE module two.
Described photoelectric isolation module comprises: photoelectric isolating circuit one is connected in series composition series arm one with civil power air switch auxiliary contact, photoelectric isolating circuit two is connected in series composition series arm two with oil machine air switch auxiliary contact, photoelectric isolating circuit three is connected in series composition series arm three with Switching Power Supply air switch auxiliary contact, photoelectric isolating circuit four is connected in series composition series arm four with Air Conditioning switch auxiliary contact, photoelectric isolating circuit five is connected in series composition series arm five with SPD air switch auxiliary contact, photoelectric isolating circuit six is connected in series composition series arm six with SPD auxiliary contact, photoelectric isolating circuit seven is connected in series composition series arm seven with air switch auxiliary contact for subsequent use, above-mentioned each series arm is connected in parallel successively.
Described relay module comprises relay I and relay II, two relays are connected with the auxiliary contact of corresponding A.C. contactor I and the auxiliary contact of A.C. contactor II respectively, A.C. contactor I is connected with Air Conditioning switch with A.C. contactor II, and Air Conditioning switch connects air-conditioning.
Described control module one is avr128 single-chip microcomputer; Control module one is avr16 single-chip microcomputer.
In described casing and matching module, be respectively equipped with the power module that is used to each equipment that power supply is provided; Power module in casing is the DC-DC transducer for the power supply of 48V being converted to one tunnel+5V and two-way+12V Power supply; Power module in matching module is the AC-DC transducer for the power supply of 220VAC being converted to one tunnel+5V Power supply.
In described casing, voltage acquisition module comprises the Acquisition Circuit, rectification circuit, amplifying circuit and the filter circuit that are connected in series successively.
Described hydro power generation detection module adopts the special electric energy computation chip of generating voltage, electric current, power, energy output and generating dutation for gathering oil machine.
Described current acquisition module adopts the current transformer for gathering three-phase current.
The beneficial effects of the utility model are:
The utility model by various functions integrated, communication with transmission compatibility, realized maintenance and the upgrading of system, saving limited resources, avoid repetition and waste; System reliability increases greatly, has reduced maintenance and construction cost, has saved space resources.
2. using avr128 single-chip microcomputer as control centre, base station equipment ruuning situation is detected, and real-time the information detecting is delivered to Surveillance center to understand the ruuning situation of equipment, also can be wirelessly transmitted to Surveillance center by GPRS DTU; In matching module, taking avr16 single-chip microcomputer as control centre, gather transformer station civil power output current and deliver to control centre in casing, realize the Distant supervision and control of user to equipment.
3. photoelectric isolation module adopts Kevin's mode of connection to realize the Best link of SPD, ensure that SPD is connected in parallel on connection on mains circuit distance the shortest, to ensure the residual voltage minimum at SPD two ends, and possesses lightning protection function, SPD adopts the protected mode of L-N-PE, has effectively solved the fire hazard that device aging causes circuit to exist; Ensure the Anti-surging ability of rear end equipment.
4. matching module detects transformer station civil power output current, sends to the ZIGBEE module in casing by the ZIGBEE module of self, realizes Wireless Data Transmission, saves wiring expense and space.ZIGBEE module is received after the data from matching module and is given in casing and control center processing in casing, judges power stealing state, and is transferred to Surveillance center, has effectively realized the function of preventing fraudulent use of electricity.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model distribution box;
Fig. 2 is the utility model voltage acquisition module structural representation.
Wherein, 1. power module one, 2. liquid crystal display, 3. indicator light display module, 4. buzzer module, 5. clock module, 6. selector switch module, 7. control module one, 8. light is every module, 9. civil power air switch auxiliary contact, 10. oil machine air switch auxiliary contact, 11. Switching Power Supply air switch auxiliary contact, 12. Air Conditioning switch auxiliary contact, 13.SPD air switch auxiliary contact, 14.SPD auxiliary contact, 15. air switch auxiliary contact for subsequent use, 16. phase sequence detection modules, 17. phase sequence control modules, 18. relay I, 19. relay II, 20. A.C. contactor I, 21. A.C. contactor II, 22. Air Conditioning switches, 23. air-conditionings, 24. hydro power generation detection modules, 25. voltage acquisition modules, 26. current acquisition modules one, 27. oil machine inputs, 28. civil power inputs, 29. transfer switches, 30. load air switches, 31. loads, 32. three-phase kilowatt-hour meters, 33. electric energy detection modules, 34. Keysheet modules, 35.485 communication module one, 36.GPRS DTU, 37.485 communication module two, 38.ZIGBEE module one, 39. power module two, 40. transformer station civil power outputs, 41. current acquisition module two, 42. control module two, 43.485 communication modules three, 44.ZIGBEE module two.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
As shown in Figure 1, Intelligent integrated power distribution box, it comprises casing and matching module, in described casing, be provided with control module 1, the input of control module 1 is connected with power module 1, clock module 5, Keysheet module 34, hydro power generation detection module 24, voltage acquisition module 25, current acquisition module 1, electric energy detection module 33, phase sequence detection module 16, selector switch module 6.
Hydro power generation detection module 24 is connected with oil machine input 27, voltage acquisition module 25 is connected with civil power input 28, current acquisition module 1 is connected with civil power input 28, electric energy detection module 33 is connected with three-phase kilowatt-hour meter 32, three-phase kilowatt-hour meter 32 is connected with civil power input 28, phase sequence detection module 16 is connected with Air Conditioning switch 22, and selector switch module 6 is connected every module with one group of light, and light is driven auxiliary contact every module and sky and is connected.
The output of control module 1 is connected with LCD MODULE 2, indicator light display module 3, buzzer module 4, phase sequence control module 17,485 communication module one 35,485 communication modules 2 37, in casing, phase sequence control module 17 is connected with relay module, relay module comprises relay I18 and relay II19, and two relays are connected with the auxiliary contact of corresponding A.C. contactor I20 and the auxiliary contact of A.C. contactor II21 respectively.485 communication modules 1 are connected with GPRS DTU36 and ZIGBEE module 1 respectively with 485 communication modules 2 37; The input of transfer switch 29 is connected with oil machine input 27 and civil power input 28 respectively; The output of transfer switch 29 is connected with A.C. contactor, and A.C. contactor is connected with Air Conditioning switch 22, and Air Conditioning switch 22 is connected with air-conditioning 23.
Meanwhile, the output of transfer switch 29 is also connected with load air switch 30, and load air switch 30 is connected with load 31.
For convenience of power taking, in matching module, be provided with control module 2 42, the input of control module 2 42 is connected with power module 2 39, current acquisition module 2 41, current acquisition module 2 41 is connected with transformer station civil power output 40, the output of control module 2 42 is connected with communication module 43, and communication module 43 is connected with ZIGBEE module 44.
Power module 1 be DC-DC transducer in casing, and it is by the Power supply of be converted to+5V of the power supply of 48V and+12V; In described matching module, power module 2 39 is AC-DC transducer, and it is by the Power supply of be converted to+5V of the power supply of 220VAC.
Casing internal clock module 5 adopts special clock chip DS1307, the time of carrying out display system by liquid crystal.And have lithium battery as stand-by power supply, after system power failure, be chip power supply.
In casing, hydro power generation detection module 24 uses special electric energy computation chip, gathers generating voltage, electric current, power, energy output and the generating dutation of oil machine.
As shown in Figure 2, in casing, voltage acquisition module 25 comprises Acquisition Circuit, rectification circuit, amplifying circuit and filter circuit, gathers the voltage of three-phase electricity.In casing, voltage acquisition module 25 comprises that Acquisition Circuit, rectification circuit, amplifying circuit and filter circuit are connected in series successively.After three-phase electricity series resistance, voltage transitions is little electric current, and adopt the collection of current mode voltage transformer, electric current after collection passes through full-wave rectifying circuit, be converted to direct current by alternating current, be converted to magnitude of voltage by sampling resistor again, amplifying circuit is the voltage that single-chip microcomputer can detect this voltage amplification by a certain percentage, and to use voltage follower to make voltage transition be the voltage that is not subject to late-class circuit impedance influences, the filtering of π type filters alternating component, and the voltage obtaining is for control module collection.Understand the power supply situation of civil power and hydro power generation by the voltage collecting, and show the size of three-phase voltage by liquid crystal.
In casing, in current acquisition module 1, matching module, current acquisition module 2 41 makes Current Transformer gather three-phase current.
The light that light comprises series connection every module 8 in casing every circuit 8 and civil power air switch auxiliary contact 9, light every circuit 8 and oil machine air switch auxiliary contact 10, light every circuit 8 and Switching Power Supply air switch auxiliary contact 11, light every circuit 8 and Air Conditioning switch auxiliary contact 12, light every circuit 8 and SPD air switch auxiliary contact 13, light every circuit 8 and SPD auxiliary contact 14, light every circuit 8 and air switch auxiliary contact 15 for subsequent use, after each series loop is parallel with one another again, is connected with selector switch module.
In described casing, the input of transfer switch 29 is connected with oil machine input 27 and civil power input 28 respectively; The output of transfer switch 29 is connected with A.C. contactor I20 and A.C. contactor II21, and A.C. contactor I20 is connected with Air Conditioning switch 22 with A.C. contactor II21, and Air Conditioning switch 22 is connected with air-conditioning 23; Meanwhile, the output of transfer switch 29 is also connected with load air switch 30, and load air switch 30 is connected with load 31.
In casing, hydro power generation detection module 24 uses special electric energy computation chip ATT7028A, gathers generating voltage, electric current, power, energy output and the generating dutation of oil machine, and shows by liquid crystal.
Particular/special requirement (forward) based on base station air conditioner to phase sequence, in casing, adopt phase sequence detection module 16 to realize the judgement of civil power phase sequence, by the cooperation of phase sequence control module 17 control relays and A.C. contactor, ensure that the phase sequence state of output circuit is forward all the time.
In casing, be provided with power supply indicator, phase sequence conversion indicator light, SPD malfunction indicator lamp and sky and open alarm lamp, in the time that equipment has fault, corresponding indicator light is lit.
Casing is connected with ZIGBEE module respectively with employing 485 communication modules in matching module, matching module detects transformer station civil power output current, send to the ZIGBEE module 1 in casing by the ZIGBEE module 2 44 of self, realize Wireless Data Transmission, save wiring expense and space.ZIGBEE module is received after the data from matching module and is given in casing and control center processing in casing, judges power stealing state, and is transferred to Surveillance center.
In casing, adopt 485 communication modules, concentrate and gather line voltage, electric current, electric energy, oil machine voltage, electric current, power, electric energy, the waveform of real-time datas such as generator operation time, surge number of times, faiture alarm, operating state, power stealing state, by GPRSDTU36, data are carried out TCP/IP encapsulation and sent to wireless network, wireless network is forwarded to INTERNET, INTERNET forwarding data, to Surveillance center, detects in real time with the operation conditions to base station equipment.GPRS DTU36 is a kind of wireless transport module based on GPRS network, is used for realizing the wireless remote transmission of serial data.
Light, in module, provides lightning protection function in casing, and its adopts Kevin's mode of connection to realize the Best link of SPD, ensures that SPD is connected in parallel on connection distance on mains circuit the shortest, to ensure the residual voltage minimum at SPD two ends.SPD adopts the protected mode of L-N-PE, has effectively solved the fire hazard that device aging causes circuit to exist.The design has ensured the Anti-surging ability of rear end equipment.
In casing, adopt auxiliary contact and air switch to be used in conjunction with, detect the state of air switch.In the time that the electric current and voltage in circuit exceeds sky and opens defined parameters or load end and occur short trouble, air switch tripping operation.Interlock causes auxiliary contact to have often to open and becomes normally closedly, and a switch triggering signal is provided, and causes that buzzer warning and corresponding indicator light are bright.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the not restriction to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendments that creative work can make or distortion still in protection range of the present utility model.
Claims (10)
1. an intelligent integral distribution box, it is characterized in that, comprise casing and for gathering the matching module of transformer station civil power output current, in described casing, be provided with control module one, the input of control module one connects respectively external input device, power module, clock module, voltage acquisition module, current acquisition module one, power detection circuit, hydro power generation detection module, phase sequence detection module and selector switch module;
The output of control module one is connection data display device, indicator light display module, buzzer module, phase sequence control module and communication module one respectively;
Described communication module one is connected respectively with ZIGBEE module one and GPRS DTU; Described phase sequence control module is connected with relay module, and relay module is connected with air-conditioning through A.C. contactor auxiliary contact; Phase sequence detection module is connected with air-conditioning;
The input of transfer switch is connected with oil machine input and civil power input respectively, output is connected with A.C. contactor auxiliary contact, and A.C. contactor auxiliary contact connect air-conditioning;
In described matching module, be provided with control module two, the input of control module two connects current acquisition module one, output connects ZIGBEE module two through communication module two;
Described casing is communicated by letter with ZIGBEE module two by ZIGBEE module one with matching module.
2. a kind of intelligent integral distribution box as claimed in claim 1, is characterized in that, described oil machine input is connected with hydro power generation detection module, and civil power input is connected with voltage acquisition module, current acquisition module one and electric energy detection module respectively.
3. a kind of intelligent integral distribution box as claimed in claim 1, is characterized in that, described communication module one comprises that 485 communicating circuits one and 485 communicating circuit two, 485 communicating circuits one are connected with ZIGBEE module one, and 485 communicating circuits two are connected with GPRSDTU; Described communication module two is that 485 communicating circuit three, 485 communicating circuits three are connected with ZIGBEE module two.
4. a kind of intelligent integral distribution box as claimed in claim 1, it is characterized in that, described photoelectric isolation module comprises: photoelectric isolating circuit one is connected in series composition series arm one with civil power air switch auxiliary contact, photoelectric isolating circuit two is connected in series composition series arm two with oil machine air switch auxiliary contact, photoelectric isolating circuit three is connected in series composition series arm three with Switching Power Supply air switch auxiliary contact, photoelectric isolating circuit four is connected in series composition series arm four with Air Conditioning switch auxiliary contact, photoelectric isolating circuit five is connected in series composition series arm five with SPD air switch auxiliary contact, photoelectric isolating circuit six is connected in series composition series arm six with SPD auxiliary contact, photoelectric isolating circuit seven is connected in series composition series arm seven with air switch auxiliary contact for subsequent use, above-mentioned each series arm is connected in parallel successively.
5. a kind of intelligent integral distribution box as claimed in claim 1, it is characterized in that, described relay module comprises relay I and relay II, two relays are connected with the auxiliary contact of corresponding A.C. contactor I and the auxiliary contact of A.C. contactor II respectively, A.C. contactor I is connected with Air Conditioning switch with A.C. contactor II, and Air Conditioning switch connects air-conditioning.
6. a kind of intelligent integral distribution box as claimed in claim 1, is characterized in that, described control module one is avr128 single-chip microcomputer; Control module one is avr16 single-chip microcomputer.
7. a kind of intelligent integral distribution box as claimed in claim 1, is characterized in that, is respectively equipped with the power module that is used to each equipment that power supply is provided in described casing and matching module; Power module in casing is the DC-DC transducer for the power supply of 48V being converted to one tunnel+5V and two-way+12V Power supply; Power module in matching module is the AC-DC transducer for the power supply of 220VAC being converted to one tunnel+5V Power supply.
8. a kind of intelligent integral distribution box as claimed in claim 1, is characterized in that, in described casing, voltage acquisition module comprises the Acquisition Circuit, rectification circuit, amplifying circuit and the filter circuit that are connected in series successively.
9. a kind of intelligent integral distribution box as claimed in claim 1, is characterized in that, described hydro power generation detection module adopts the special electric energy computation chip of generating voltage, electric current, power, energy output and generating dutation for gathering oil machine.
10. a kind of intelligent integral distribution box as claimed in claim 1, is characterized in that, described current acquisition module adopts the current transformer for gathering three-phase current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188770.9U CN203813225U (en) | 2014-04-17 | 2014-04-17 | Intelligent integrated distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188770.9U CN203813225U (en) | 2014-04-17 | 2014-04-17 | Intelligent integrated distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203813225U true CN203813225U (en) | 2014-09-03 |
Family
ID=51451935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420188770.9U Expired - Lifetime CN203813225U (en) | 2014-04-17 | 2014-04-17 | Intelligent integrated distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203813225U (en) |
-
2014
- 2014-04-17 CN CN201420188770.9U patent/CN203813225U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201234165Y (en) | Automatic control apparatus for power distribution system | |
| CN202103478U (en) | Comprehensive intelligent distribution box | |
| CN201466500U (en) | Multifunctional intelligent power distribution box | |
| CN101738565A (en) | Adaptive fault indicator | |
| CN101873010A (en) | Intelligent monitoring terminal of electric distribution system | |
| CN204030640U (en) | Batteries novel maintenance monitoring intelligent device | |
| CN106357004A (en) | Distributed feeder line automatic monitoring device for rural power distribution network | |
| CN202268725U (en) | Solar power supply system remote monitoring device | |
| CN206640393U (en) | A kind of intelligent integrated power distribution box | |
| CN203877901U (en) | Filling station secondary oil vapor recovery online monitoring system based on power line carrier | |
| CN205283260U (en) | Online monitored control system of power module based on cloud ware | |
| CN207638399U (en) | A kind of Intelligent power distribution case | |
| CN201742167U (en) | Intelligent monitoring terminal of power distribution system | |
| CN201402923Y (en) | Intelligent integrated power distribution box | |
| CN203813225U (en) | Intelligent integrated distribution box | |
| CN111142059A (en) | Intelligent detection device and method for PT unit of outdoor ring main unit | |
| CN203312920U (en) | Intelligent integrated system of PT cabinet | |
| CN205610344U (en) | Smart power grids's wireless monitoring system | |
| CN202121381U (en) | Intelligent operation system of variable power distribution station | |
| CN202119862U (en) | Electric power circuit fault information display and remote transmission device | |
| CN204334122U (en) | Multifunction station territory protection measurement and control integration device | |
| CN209215554U (en) | A kind of device for scurrying into monitoring function with accumulator monitoring and exchange | |
| CN202230148U (en) | Transformer operation condition monitor intelligent electronic device (IED) | |
| CN207964933U (en) | Electric transmission line hot-line indicates system | |
| CN106027961A (en) | Wireless video monitoring system of electric power network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Xinluo Avenue 250000 Shandong city of Ji'nan province high tech Industrial Development Zone No. 1166 orsus Building 1 building 20 layer Patentee after: Shandong trillion electronic Limited by Share Ltd Address before: 250000 Shandong city of Ji'nan province high tech Zone (Lixia District) Tianchen Road No. 798 Patentee before: SHANDONG ZHAOYU ELECTRONIC TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |