CN114256749A - Power distribution network controller - Google Patents
Power distribution network controller Download PDFInfo
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- CN114256749A CN114256749A CN202111596369.XA CN202111596369A CN114256749A CN 114256749 A CN114256749 A CN 114256749A CN 202111596369 A CN202111596369 A CN 202111596369A CN 114256749 A CN114256749 A CN 114256749A
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- distribution network
- unit
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- groove
- network controller
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- 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
-
- 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
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
Abstract
The invention discloses a power distribution network controller, comprising: a bottom chassis including: the device comprises a seat body, a control main board arranged in a seat body assembly cavity, and a sealing groove and an assembly groove which are respectively formed in the side wall of the seat body; the top cover comprises a top cover body, and a sealing plate and a clamping plate which are respectively arranged on the top cover body, wherein the clamping plate is provided with a clamping groove; and two sets of hasp subassemblies, the hasp subassembly includes: the stirring block of slidable mounting on the pedestal and the fixture block that links to each other with the stirring block, the size of fixture block and the size looks adaptation of draw-in groove, wherein: the clamping plate is inserted in the assembling groove, and the sealing plate is inserted in the sealing groove in a matching manner; the sliding shifting block is in parallel linkage with the clamping block, so that the clamping block is inserted into the clamping groove, and the bottom shell and the top cover are locked through the locking component. By implementing the power distribution network controller, the convenience of disassembly and assembly is improved; the connecting structure of the control mainboard is simplified, and the response speed of load transfer is realized, and the safety and the reliability are realized.
Description
Technical Field
The invention relates to the technical field of power distribution networks, in particular to a power distribution network controller.
Background
When the prior art overhauls the distribution network controller, need dismantle the back to protecting sheathing, maintain and change work to its inside electronic component. Because the protective housing comprises an upper cover and a base, the upper cover and the base are fixed through screws, and when the protective housing is disassembled, the protective housing is very inconvenient to disassemble due to the fact that a screwdriver is needed.
In addition, the communication mode that current distribution network controller adopted has the time delay height, reliability low scheduling problem.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a power distribution network controller, which improves the convenience of disassembly and assembly; the connecting structure of the control mainboard is simplified, and the response speed of load transfer is realized, and the safety and the reliability are realized.
In order to solve the above technical problem, the present invention provides a power distribution network controller, including: a bottom chassis including: the device comprises a seat body, a control main board arranged in a seat body assembly cavity, and a sealing groove and an assembly groove which are respectively formed in the side wall of the seat body; the top cover comprises a top cover body, and a sealing plate and a clamping plate which are respectively arranged on the top cover body, wherein the clamping plate is provided with a clamping groove; and two sets of hasp subassemblies, the hasp subassembly includes: the stirring block of slidable mounting on the pedestal and the fixture block that links to each other with the stirring block, the size of fixture block and the size looks adaptation of draw-in groove, wherein: the clamping plate is inserted in the assembling groove, and the sealing plate is inserted in the sealing groove in a matching manner; the sliding shifting block is in parallel linkage with the clamping block, so that the clamping block is inserted into the clamping groove, and the bottom shell and the top cover are locked through the locking component.
The positioning blocks are mounted on two opposite sides of the bottom of the control main board, limiting holes are formed in the positioning blocks, guide pillars are arranged on the seat body in positions corresponding to the positioning blocks in a matched mode, and the guide pillars are inserted in the limiting holes.
Wherein, the block that dials includes: transmission piece, deflector, guide bar and locking spring, the one end of transmission piece links to each other with the fixture block, and the other end of transmission piece links to each other with locking spring, is equipped with the deflector on the transmission piece, and the guide bar adaptation assembly is in the guiding hole that the deflector has, wherein:
the transmission block slides along the guide rod, and the poking block drives the clamping block to move transversely, so that the clamping block is separated from the clamping groove in the clamping plate.
Wherein, the top cover body is provided with a pressure plate.
Wherein, the control mainboard is provided with a handle buckling groove, and the control mainboard can be detached relative to the seat body.
Wherein, control the mainboard and include: a 5G communication unit for communicating with a neighboring power distribution network controller; the intelligent feeder terminal is used for detecting whether the adjacent communication line is normal or not and carrying out topology updating on the 5G communication network according to the adjacent communication; a fault judgment unit for performing fault judgment according to the abnormal line; the fault positioning unit is used for receiving the fault judgment result sent by the fault judgment unit and positioning the fault switch according to the fault judgment result; the fault isolation unit is used for tripping the positioning fault switch and sending a fault isolation completion mark; a reclosing unit for reclosing according to the fault isolation completion flag to obtain a reclosing result; and a load transfer unit for performing load transfer, wherein: intelligent feeder terminal, fault judgement unit, fault location unit, fault isolation unit, reclosing unit and load transfer unit electricity in proper order connect, wherein: and the load transfer unit of the failed distribution network controller sends a load transfer request through the 5G communication unit according to the result of the reclosing unit, the load transfer units of other distribution network controllers receive the load transfer request through the 5G communication unit, and the other distribution network controllers carry out load transfer according to the load transfer request.
Wherein, the failure judgment unit includes: the inrush current judgment module is used for comparing the detected current with an inrush current threshold, judging the current to be inrush current if the detected current is within the inrush current threshold, and otherwise, judging the overcurrent; the overcurrent judgment module is used for comparing the detected current with an overcurrent current threshold, judging that the current is overcurrent if the detected current is within the overcurrent current threshold, and judging that the short-circuit current is not overcurrent; the short-circuit current judging module is used for comparing the detected current with a short-circuit current threshold, judging the current to be short-circuit current if the detected current is within the short-circuit current threshold, and otherwise, judging the voltage loss; and a voltage loss judgment module for comparing the detected voltage with a voltage loss threshold value, and judging the voltage loss module to be voltage loss if the detected voltage is within the voltage loss threshold value, wherein: the inrush current judgment module, the overcurrent judgment module, the short-circuit current judgment module and the voltage loss judgment module are electrically connected in sequence.
Wherein, control mainboard still includes: the analog quantity acquisition unit is used for acquiring analog quantity in the power distribution network and the switching value acquisition unit is used for acquiring switching value in the power distribution network, and the analog quantity acquisition unit and the switching value acquisition unit are respectively and electrically connected with the 5G communication unit.
The power distribution network controller has the following beneficial effects: the power distribution network controller comprises: a bottom chassis including: the device comprises a seat body, a control main board arranged in a seat body assembly cavity, and a sealing groove and an assembly groove which are respectively formed in the side wall of the seat body; the top cover comprises a top cover body, and a sealing plate and a clamping plate which are respectively arranged on the top cover body, wherein the clamping plate is provided with a clamping groove; and two sets of hasp subassemblies, the hasp subassembly includes: the stirring block of slidable mounting on the pedestal and the fixture block that links to each other with the stirring block, the size of fixture block and the size looks adaptation of draw-in groove, wherein: the clamping plate is inserted in the assembling groove, and the sealing plate is inserted in the sealing groove in a matching manner; the sliding shifting block is connected with the clamping block in parallel, so that the clamping block is inserted into the clamping groove, and the bottom shell and the top cover are locked through the locking component, so that the dismounting convenience is improved; the connecting structure of the control mainboard is simplified, and the response speed of load transfer is realized, and the safety and the reliability are realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power distribution network controller according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an internal structure of a power distribution network controller according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a latch assembly of a power distribution network controller according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a power distribution network controller according to an embodiment of the present invention, wherein the controller is locked by a locking component.
Fig. 5 is a schematic structural diagram of a release latch assembly of a distribution network controller according to an embodiment of the present invention.
Fig. 6 is a block diagram of a module connection structure of a control motherboard of a power distribution network controller according to an embodiment of the present invention.
Fig. 7 is a block diagram of a module connection structure of a fault determination unit of a control main board of a power distribution network controller according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1-5 show a first embodiment of a power distribution network controller according to the present invention.
The power distribution network controller in this embodiment includes: bottom shell 2, bottom shell 2 includes: the structure comprises a base body 21, a control main board 24 arranged in an assembly cavity of the base body 21, and a sealing groove 26 and an assembly groove 29 which are respectively arranged on the side wall of the base body 21; the top cover 1 comprises a top cover body 11, and a sealing plate 12 and a clamping plate 19 which are respectively arranged on the top cover body 11, wherein a clamping groove 190 is arranged on the clamping plate 19; and two sets of hasp subassembly 3, hasp subassembly 3 includes: the shifting block 34 can be slidably mounted on the seat body 21, and the fixture block 35 is connected with the shifting block 34, and the size of the fixture block 35 is matched with that of the fixture groove 190.
Wherein: the clamping plate 19 is inserted in the assembling groove 29, and the sealing plate 12 is inserted in the sealing groove 26; the sliding shifting block 34 is linked with the fixture block 35, so that the fixture block 35 is inserted into the slot 190, and the bottom shell 2 and the top cover 1 are locked by the locking component 3.
Furthermore, the top cover body 11 is provided with a pressing plate 13, the control main board 24 is provided with a handle slot 25, and the control main board 24 can be detached relative to the seat body 21.
Furthermore, the positioning blocks 22 are installed on two opposite sides of the bottom of the control main board 24, the positioning blocks 22 are internally provided with limiting holes, the seat body 21 is provided with guide pillars 23 at positions corresponding to the positioning blocks 22 in a matched manner, and the guide pillars 23 are inserted into the limiting holes.
During specific implementation, the top cover 1 is composed of a top cover body 11, a sealing plate 12 and a pressing plate 13, the sealing plate 12 is arranged at the circumferential position of the bottom of the top cover body 11, and two groups of pressing plates 13 are arranged on the surface of the upper side inside the top cover body 11.
The bottom case 2 includes: the structure comprises a base body 21, a control main board 24 arranged in an assembly cavity of the base body 21, and a sealing groove 26 and an assembly groove 29 which are respectively arranged on the side wall of the base body 21. The upper side surface of pedestal 21 has seted up seal groove 26, and seal groove 26 and the size looks adaptation of closing plate 12, and closing plate 12 pegs graft in the inside of seal groove 26 simultaneously, and it is fixed to splice through closing plate 12 and seal groove 26 between top cap body 11 and the pedestal 21 simultaneously. The sealing performance between the top cover body 11 and the seat body 21 is improved, and the sealing performance and the waterproof performance of the top cover body 11 and the seat body 21 are ensured.
Preferably, the control main board 24 is installed inside the bottom case 2, the positioning blocks 22 are installed on both sides of the bottom of the control main board 24, and the guide posts 23 are fixedly installed on both sides of the inside of the seat body 21.
The latch assembly 3 includes: the shifting block 34 can be slidably mounted on the seat body 21, and the fixture block 35 is connected with the shifting block 34, and the size of the fixture block 35 is matched with that of the fixture groove 190.
Further, the dial block 34 includes: driving block 36, deflector 37, guide bar 38 and locking spring 39, the one end of driving block 36 links to each other with fixture block 35, and the other end of driving block 36 links to each other with locking spring 39, is equipped with deflector 37 on the driving block 36, and the assembly of guide bar 38 adaptation is in the guiding hole that deflector 37 has, wherein:
the driving block 36 slides along the guiding rod 38, and the shifting block 34 drives the latch 35 to move transversely, so that the latch 35 is separated from the slot 190 in the retaining plate 19.
The working principle of the locking assembly 3 is as follows: the bottom shell 2 and the top cover 1 are fixed through the two groups of locking components 3, the driving block 36 is driven by the connecting block to transversely move by sliding the toggle block 34, the driving block 36 drives the clamping block 35 to transversely move, so that the clamping block 35 is pulled away from the clamping plate 19, the locking spring 39 is in a compressed state, and the top cover 1 and the bottom shell 2 can be disassembled; when the top cover 1 and the bottom shell 2 need to be installed, the clamping plate 19 is inserted into the assembling groove 29, the poking block 34 is loosened, the locking spring 39 resets, the clamping block 35 is driven to be inserted into the clamping groove 190, and the fixed installation work between the top cover 1 and the bottom shell 2 is completed.
When needs are dismantled to this device, the piece 34 is dialled in the slip this moment, make and dial the piece 34 and drive fixture block 35 and carry out lateral shifting, make fixture block 35 break away from the draw-in groove 190 that the card was held to the inboard, handheld top cap body 11 this moment, can pull out sealing plate 12 from the seal groove 26 is inside, pedestal 21 is in open-air state this moment, be convenient for carry out maintenance work to the electronic component of pedestal 21 inside, the means of dismantling, only need to slip the piece 34 of dialling can, simple when dismantling, effective and swift.
Fig. 6 to 7 show an embodiment of a module connection structure of a control motherboard of a power distribution network controller according to the present invention.
The control main board 24 includes: a 5G communication unit 241 for communicating with a neighboring power distribution network controller; an intelligent feeder terminal 242 for detecting whether the proximity communication line is normal or not and performing topology update of the 5G communication network according to the proximity communication; a failure judgment unit 243 for performing failure judgment based on an abnormal line; a fault positioning unit 244 for receiving the fault judgment result sent by the fault judgment unit and positioning the fault switch according to the fault judgment result; a fault isolation unit 245 for tripping the positioning fault switch and sending a fault isolation completion flag; a reclosing unit 246 for reclosing according to the fault isolation completion flag to obtain a reclosing result; and a load transfer unit 247 for performing load transfer, wherein: the intelligent feeder terminal 242, the fault determination unit 243, the fault location unit 244, the fault isolation unit 245, the reclosing unit 246 and the load transfer unit 247 are electrically connected in sequence.
In specific implementation, the load transfer unit of the failed distribution network controller sends a load transfer request through the 5G communication unit according to a result of the reclosing unit, the load transfer units of the other distribution network controllers receive the load transfer request through the 5G communication unit, and the other distribution network controllers perform load transfer according to the load transfer request.
Further, the failure determination unit 243 includes: an inrush current determining module 243a for comparing the detected current with an inrush current threshold, determining that the current is inrush current if the detected current is within the inrush current threshold, and otherwise performing overcurrent determination; an overcurrent determination module 243b for comparing the detected current with an overcurrent threshold, determining that the current is overcurrent if the detected current is within the overcurrent threshold, and otherwise determining a short-circuit current; a short-circuit current judging module 243c for comparing the detected current with a short-circuit current threshold, judging the current to be a short-circuit current if the detected current is within the short-circuit current threshold, and otherwise, judging the voltage loss; and a voltage loss judgment module 243d for comparing the detected voltage with a voltage loss threshold, and judging the voltage loss as a voltage loss if the detected voltage is within the voltage loss threshold, wherein: the inrush current determining module 243a, the overcurrent determining module 243b, the short-circuit current determining module 243c, and the voltage loss determining module 243a are electrically connected in sequence.
Further, the control main board 24 further includes: the analog quantity acquisition unit 248 is used for acquiring analog quantity in the power distribution network, the switching value acquisition unit 249 is used for acquiring switching value in the power distribution network, and the analog quantity acquisition unit 248 and the switching value acquisition unit 249 are respectively and electrically connected with the 5G communication unit 241.
Wherein, control mainboard still includes: the analog quantity acquisition unit is used for acquiring analog quantity in the power distribution network and the switching value acquisition unit is used for acquiring switching value in the power distribution network, and the analog quantity acquisition unit and the switching value acquisition unit are respectively and electrically connected with the 5G communication unit.
By adopting the structure of the control main board 24 in the embodiment, the communication is performed through the 5G communication unit, and the time delay can be lower than 1ms, so that the self-healing controller has fast response and high reliability.
The power distribution network controller has the following beneficial effects:
firstly, the load transfer unit of the failed distribution network controller sends a load transfer request through the 5G communication unit according to the result of the reclosing unit, the load transfer units of the other distribution network controllers receive the load transfer request through the 5G communication unit, and the other distribution network controllers perform load transfer according to the load transfer request, so that communication is performed through the 5G communication unit, and the time delay of the communication can be less than 1ms, so that the self-healing controller has quick response and high reliability.
Secondly, inserting the clamping plate into the assembling groove, and inserting the sealing plate into the sealing groove in an adaptive manner; the sliding shifting block is in parallel linkage with the clamping block, so that the clamping block is inserted into the clamping groove, the bottom shell and the top cover are locked through the locking component, and the dismounting convenience is improved.
Thirdly, the structure is simple, and the maintenance is easy.
Claims (8)
1. A power distribution network controller, comprising:
a bottom case, the bottom case comprising: the device comprises a base body, a control main board arranged in a base body assembling cavity, and a sealing groove and an assembling groove which are respectively arranged on the side wall of the base body;
the top cover comprises a top cover body, and a sealing plate and a clamping plate which are respectively arranged on the top cover body, wherein the clamping plate is provided with a clamping groove; and
two sets of hasp subassemblies, the hasp subassembly includes: but slidable mounting stir the piece on the pedestal and with the fixture block that stirs the piece and link to each other, the size of fixture block with the size looks adaptation of draw-in groove, wherein:
the clamping plate is inserted in the assembling groove, and the sealing plate is inserted in the sealing groove in a matching manner; the poking block is slid and linked with the clamping block, so that the clamping block is inserted into the clamping groove, and the bottom shell and the top cover are locked through the locking component.
2. The distribution network controller according to claim 1, wherein positioning blocks are installed at two opposite sides of the bottom of the control main board, limiting holes are formed in the positioning blocks, guide posts are installed at positions of the seat body corresponding to the positioning blocks, and the guide posts are inserted into the limiting holes.
3. A distribution network controller according to claim 1, wherein said toggle block comprises: driving piece, deflector, guide bar and locking spring, the one end of driving piece with the fixture block links to each other, the other end of driving piece with locking spring links to each other, be equipped with the deflector on the driving piece, the guide bar adaptation is in the guide hole that the deflector has, wherein:
the transmission block slides along the guide rod, and the poking block drives the clamping block to move transversely, so that the clamping block is separated from the clamping groove in the clamping plate.
4. The distribution network controller of claim 1, wherein a pressure plate is provided on the top cover body.
5. The network controller as recited in claim 1, wherein said control board has a snap-in slot, said control board being removable from said housing.
6. A power distribution network controller according to any one of claims 1 to 5, wherein said control motherboard comprises:
a 5G communication unit for communicating with a neighboring power distribution network controller;
the intelligent feeder terminal is used for detecting whether the adjacent communication line is normal or not and carrying out topology updating on the 5G communication network according to the adjacent communication;
a fault judgment unit for performing fault judgment according to the abnormal line;
the fault positioning unit is used for receiving the fault judgment result sent by the fault judgment unit and positioning the fault switch according to the fault judgment result;
the fault isolation unit is used for tripping the positioning fault switch and sending a fault isolation completion mark;
a reclosing unit for reclosing according to the fault isolation completion flag to obtain a reclosing result; and
a load transfer unit for performing load transfer, wherein: the intelligent feeder terminal, the fault judging unit, the fault positioning unit, the fault isolating unit, the reclosing unit and the load transfer unit are electrically connected in sequence, wherein:
and the load transfer unit of the failed distribution network controller sends a load transfer request through the 5G communication unit according to the result of the reclosing unit, the load transfer units of other distribution network controllers receive the load transfer request through the 5G communication unit, and the other distribution network controllers carry out load transfer according to the load transfer request.
7. The distribution network controller of claim 6, wherein the fault determination unit comprises:
the inrush current judgment module is used for comparing the detected current with an inrush current threshold, judging the current to be inrush current if the detected current is within the inrush current threshold, and otherwise, judging the overcurrent;
the overcurrent judgment module is used for comparing the detected current with an overcurrent current threshold, judging that the current is overcurrent if the detected current is within the overcurrent current threshold, and judging that the short-circuit current is not overcurrent;
the short-circuit current judging module is used for comparing the detected current with a short-circuit current threshold, judging the current to be short-circuit current if the detected current is within the short-circuit current threshold, and otherwise, judging the voltage loss; and
a voltage loss judging module for comparing the detected voltage with a voltage loss threshold value, and judging the voltage loss module as a voltage loss if the detected voltage is within the voltage loss threshold value, wherein:
the inrush current judgment module, the overcurrent judgment module, the short-circuit current judgment module and the voltage loss judgment module are electrically connected in sequence.
8. The distribution network controller of claim 6, wherein the control motherboard further comprises: the analog quantity acquisition unit is used for acquiring analog quantity in the power distribution network and the switching value acquisition unit is used for acquiring switching value in the power distribution network, and the analog quantity acquisition unit and the switching value acquisition unit are respectively and electrically connected with the 5G communication unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111596369.XA CN114256749A (en) | 2021-12-24 | 2021-12-24 | Power distribution network controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111596369.XA CN114256749A (en) | 2021-12-24 | 2021-12-24 | Power distribution network controller |
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| CN114256749A true CN114256749A (en) | 2022-03-29 |
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| CN202111596369.XA Pending CN114256749A (en) | 2021-12-24 | 2021-12-24 | Power distribution network controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115986671A (en) * | 2023-03-20 | 2023-04-18 | 国网浙江省电力有限公司金华供电公司 | Enhanced energy aggregation controller with low-power consumption and broadband current sensing |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2911108Y (en) * | 2006-06-02 | 2007-06-13 | 徐钜祥 | Locking gear of strip-shaped lock |
| CN106786522A (en) * | 2016-12-16 | 2017-05-31 | 湖南世优电力科技股份有限公司 | Intelligent distribution network self-healing control method based on peer-to-peer communication network |
| CN206460125U (en) * | 2016-12-02 | 2017-09-01 | 上海致达智能科技股份有限公司 | Distribution side intelligent trouble recording monitoring device |
| CN107168209A (en) * | 2017-06-19 | 2017-09-15 | 安徽鼎信科技集团有限公司 | A kind of intelligent building distribution automatic monitored control system |
| CN107490735A (en) * | 2017-08-03 | 2017-12-19 | 东莞理工学院 | A kind of power distribution network terminal automatic test approach and test device |
| CN209844643U (en) * | 2018-10-30 | 2019-12-24 | 深圳供电局有限公司 | Power distribution terminal and power distribution network protection device |
| CN210052764U (en) * | 2019-03-18 | 2020-02-11 | 深圳市盛维智联科技有限公司 | Waterproof heat abstractor of shared battery |
| CN211037303U (en) * | 2019-08-23 | 2020-07-17 | 中能建西北城市建设有限公司 | Building element connection structure |
| CN111966186A (en) * | 2020-09-06 | 2020-11-20 | 西安德创自动化工程有限公司 | Dustproof and moistureproof industrial personal computer case |
| CN213278211U (en) * | 2020-10-16 | 2021-05-25 | 深钛智能科技(苏州)有限公司 | Be applied to DCAC power supply unit convenient to installation of aviation field |
| CN213566537U (en) * | 2020-05-16 | 2021-06-29 | 南京伟泽创力电子科技有限公司 | Unmanned aerial vehicle basic station |
| CN214151751U (en) * | 2020-11-25 | 2021-09-07 | 惠州伟民物联科技有限公司 | Medium-voltage transformer label |
-
2021
- 2021-12-24 CN CN202111596369.XA patent/CN114256749A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2911108Y (en) * | 2006-06-02 | 2007-06-13 | 徐钜祥 | Locking gear of strip-shaped lock |
| CN206460125U (en) * | 2016-12-02 | 2017-09-01 | 上海致达智能科技股份有限公司 | Distribution side intelligent trouble recording monitoring device |
| CN106786522A (en) * | 2016-12-16 | 2017-05-31 | 湖南世优电力科技股份有限公司 | Intelligent distribution network self-healing control method based on peer-to-peer communication network |
| CN107168209A (en) * | 2017-06-19 | 2017-09-15 | 安徽鼎信科技集团有限公司 | A kind of intelligent building distribution automatic monitored control system |
| CN107490735A (en) * | 2017-08-03 | 2017-12-19 | 东莞理工学院 | A kind of power distribution network terminal automatic test approach and test device |
| CN209844643U (en) * | 2018-10-30 | 2019-12-24 | 深圳供电局有限公司 | Power distribution terminal and power distribution network protection device |
| CN210052764U (en) * | 2019-03-18 | 2020-02-11 | 深圳市盛维智联科技有限公司 | Waterproof heat abstractor of shared battery |
| CN211037303U (en) * | 2019-08-23 | 2020-07-17 | 中能建西北城市建设有限公司 | Building element connection structure |
| CN213566537U (en) * | 2020-05-16 | 2021-06-29 | 南京伟泽创力电子科技有限公司 | Unmanned aerial vehicle basic station |
| CN111966186A (en) * | 2020-09-06 | 2020-11-20 | 西安德创自动化工程有限公司 | Dustproof and moistureproof industrial personal computer case |
| CN213278211U (en) * | 2020-10-16 | 2021-05-25 | 深钛智能科技(苏州)有限公司 | Be applied to DCAC power supply unit convenient to installation of aviation field |
| CN214151751U (en) * | 2020-11-25 | 2021-09-07 | 惠州伟民物联科技有限公司 | Medium-voltage transformer label |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115986671A (en) * | 2023-03-20 | 2023-04-18 | 国网浙江省电力有限公司金华供电公司 | Enhanced energy aggregation controller with low-power consumption and broadband current sensing |
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