CN109449777A - A kind of ring network cabinet control box and operating method - Google Patents
A kind of ring network cabinet control box and operating method Download PDFInfo
- Publication number
- CN109449777A CN109449777A CN201811514762.8A CN201811514762A CN109449777A CN 109449777 A CN109449777 A CN 109449777A CN 201811514762 A CN201811514762 A CN 201811514762A CN 109449777 A CN109449777 A CN 109449777A
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- China
- Prior art keywords
- ring network
- network cabinet
- box body
- energy storage
- box
- Prior art date
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- 238000011017 operating method Methods 0.000 title claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 238000010168 coupling process Methods 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 239000013078 crystal Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000004146 energy storage Methods 0.000 claims description 36
- 239000003292 glue Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H02J13/0017—
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention discloses a kind of ring network cabinet control box and operating method, including box body, front panel, rear panel, further includes circuit board；The both ends of box body are fixed with front panel, rear panel respectively；The outer surface of the box body is equipped with multiple grooves, and box body is uniformly provided with multiple riffled tubes close to the inner wall of front panel, rear panel；Box body two sides inner wall is respectively equipped with the parallel slot of several groups；The front panel installation is equipped with knob, indicator light, button；The rear panel installation is equipped with equipment line outlet, insurance；The tray interior is equipped with encapsulating layer；The circuit board is installed on tray interior, and is equipped with single-chip microcontroller, general supply, crystal resonant circuit, On-off signal and exports optical coupling isolation circuit；The single-chip microcontroller is connect with crystal resonant circuit, On-off signal output optical coupling isolation circuit signal respectively.The present invention is adaptable, can prevent the harm of condensation, improve the safety of equipment.
Description
Technical field
The invention belongs to ring network cabinet technical field, in particular to a kind of ring network cabinet control box and operating method.
Background technique
Ring network cabinet is a kind of common power industry equipment, and the divide-shut brake movement of on-load switch or breaker is mainly logical
Motor-operating mechanism is crossed to realize.The control of previous motor-operating mechanism usually uses the series-parallel of several relays,
And each type of ring network cabinet can use the relay and mode of connection of different number.There are bad adaptabilities for this form, existing
Field inconvenient debugging, and relay terminal is exposed, leads to the safety accidents such as short circuit vulnerable to the erosion for condensing dew in cabinet.For
The knob of manipulation etc. is non-watertight, not can avoid the influence that condensation generates it.
Summary of the invention
The present invention for the technical problems in the prior art, provides a kind of ring network cabinet control box and operating method, fits
Ying Xingqiang can prevent the harm of condensation, improve the safety of equipment.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of ring network cabinet control box, including box body
(1), front panel (2), rear panel (3), further include circuit board；The both ends of box body (1) are fixed with front panel (2), back respectively
Plate (3)；
The outer surface of the box body (1) is equipped with multiple grooves (11), and box body (1) is close to front panel (2), rear panel (3)
Inner wall be uniformly provided with multiple riffled tubes (13)；Box body (1) two sides inner wall is respectively equipped with the parallel slot of several groups
(12)；
Front panel (2) installation is equipped with knob (21), indicator light (22), button (23)；Rear panel (3) installation is set
There are equipment line outlet (31), insurance (32)；
Encapsulating layer is equipped with inside the box body (1)；
It is internal that the circuit board is installed on box body (1), and it is defeated to be equipped with single-chip microcontroller, general supply, crystal resonant circuit, switching value
Enter to export optical coupling isolation circuit；The single-chip microcontroller is believed with crystal resonant circuit, On-off signal output optical coupling isolation circuit respectively
Number connection.
Preferably, the groove (11) set there are two and it is symmetrical, the circuit board is inserted in parallel into slot (12).
Preferably, the box body (1) is in cuboid, each apex angle of inner wall is fixed with riffled tube (13)；Before described
Panel (2), rear panel (3) are connect by screw with riffled tube (13).
Preferably, waterproof apron is equipped on the inside of the knob (21), button (23), equipment line outlet (31) peace
It is installed with waterproof sealing head.
Preferably, the encapsulating layer is potted using the conduction heat sealable glue of add-on type bi-component organosilicon, and occupy
The 1/3-1/2 of tray interior volume.
Preferably, the circuit board is equipped with terminal, and pass through terminal connecting line road；The knob (21) and button (23)
Respectively with the termination contact on box body (1) internal circuit board；The slot (12) is located in encapsulating layer, and connection terminal and equipment go out
The route of line mouth runs through encapsulating layer.
Preferably, being equipped with serial ports, clock interface, power interface, I/O interface, RMII interface inside the single-chip microcontroller；Institute
It states single-chip microcontroller and crystal resonant circuit is accessed by clock interface, RS232 serial port circuit is accessed by serial ports, is connect by RMII interface
Enter Ethernet, On-off signal is accessed by I/O interface respectively and exports optical coupling isolation circuit, anti-endless loop circuit.
Preferably, the On-off signal output optical coupling isolation circuit is equipped with On-off signal terminal, and pass through switch
It measures output relay access and is equipped with output switch parameter terminal.
Preferably, the general supply is electrically connected with CPU power supply, relay and optocoupler power supply respectively；Institute
CPU power supply is stated to be electrically connected by power interface and single-chip microcontroller；The relay and optocoupler power supply respectively with switch
Measure input and output optical coupling isolation circuit, switching value output relay is electrically connected.
A kind of ring network cabinet control box operating method, comprising the following steps:
(1) judge that local operation still remotely operates, local operation carries out step (2), and remote operation then carries out step
(3)；
(2) switch knob of control box is pressed, ring network cabinet energy storage motor starts energy storage, and ring network cabinet energy storage motor energy storage is completed
Afterwards, control box energy storage indicator light is bright, and ring network cabinet starts feed motion, and energy storage indicator light extinguishes, and ring network cabinet is in "on" position；It is logical
The opening button of control box is crossed, ring network cabinet realizes separating brake movement, and ring network cabinet is in gate-dividing state；
(3) ring network cabinet control unit receives reclosing command by serial ports or Ethernet interface, and ring network cabinet energy storage motor starts
Energy storage, after the completion of ring network cabinet energy storage motor energy storage, control box energy storage indicator light is bright, and ring network cabinet starts feed motion, energy storage instruction
Lamp extinguishes, and ring network cabinet is in "on" position；Ring network cabinet control unit receives separating brake instruction, looped network by serial ports or Ethernet interface
Cabinet realizes separating brake movement, and ring network cabinet is in gate-dividing state.
Compared with prior art, the present invention has the beneficial effects that the present invention is adaptable, the danger of condensation can be prevented
Evil, improves the safety of equipment.
Detailed description of the invention
Fig. 1 is side view of the invention；
Fig. 2 is cross-sectional cut-away structural schematic diagram of the invention；
Fig. 3 is front panel front view of the invention；
Fig. 4 is rear panel front view of the invention；
Fig. 5 is circuit board block diagram of the invention.
1- box body in figure, 2- front panel, 3- rear panel, 11- groove, 12- slot, 13- riffled tube, 21- knob, 22-
Indicator light, 23- button, 31- equipment line outlet, 32- insurance.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, in the following with reference to the drawings and specific embodiments
It elaborates to the present invention.
Embodiment of the invention discloses a kind of ring network cabinets to control box, as shown in the figure comprising box body (1), front panel
(2), rear panel (3) further include circuit board；The both ends of box body (1) are fixed with front panel (2), rear panel (3) respectively；
The outer surface of box body (1) be equipped with multiple grooves (11), box body (1) close to front panel (2), rear panel (3) it is interior
Wall is uniformly provided with multiple riffled tubes (13)；Box body (1) two sides inner wall is respectively equipped with the parallel slot of several groups (12)；
Front panel (2) installation is equipped with knob (21), indicator light (22), button (23)；Rear panel (3) installation goes out equipped with equipment
Line mouth (31), insurance (32)；
Encapsulating layer is equipped with inside box body (1)；
It is internal that circuit board is installed on box body (1), and is equipped with MO518L single-chip microcontroller, general supply, crystal resonant circuit, switching value
Input and output optical coupling isolation circuit；Single-chip microcontroller exports optical coupling isolation circuit signal with crystal resonant circuit, On-off signal respectively
Connection.
In the present embodiment, groove (11) set there are two and it is symmetrical, slot (12) is for being inserted in parallel into power supply or relay
The circuit board of the electric elements such as device, these circuit boards are connected to each other and connect export electric wire by terminal.Multiple circuit boards use
Mounting means side by side up and down, this mounting means can not only efficiently use space, and be conducive to dissipating for heating element
Heat, and interfering with each other between component is preferably minimized.
In the present embodiment, box body (1) is in cuboid, and each apex angle of inner wall is fixed with riffled tube (13)；Front panel
(2), rear panel (3) is connect by screw with riffled tube (13).
In the present embodiment, waterproof apron is equipped on the inside of knob (21), button (23), equipment line outlet (31) installation is equipped with
Waterproof sealing head.
In the present embodiment, encapsulating layer is potted using the conduction heat sealable glue of add-on type bi-component organosilicon, and occupies box
The 1/3-1/2 of body internal volume, encapsulating layer close the circuit board in box, and the lead-out wire of circuit board is potted in conduction heat sealable glue
In the encapsulating layer of encapsulating, condensation is avoided to cause damages box interior circuit board.
In the present embodiment, circuit board is equipped with terminal, and passes through terminal connecting line road；Knob (21) and button (23) respectively with
Termination contact on box body (1) internal circuit board；Slot (12) is located in encapsulating layer, the route of connection terminal and equipment line outlet
Through encapsulating layer.
In the present embodiment, serial ports, clock interface, power interface, I/O interface, RMII interface are equipped with inside single-chip microcontroller；Monolithic
Machine accesses crystal resonant circuit by clock interface, accesses RS232 serial port circuit by serial ports, accesses ether by RMII interface
Net accesses On-off signal by I/O interface respectively and exports optical coupling isolation circuit, anti-endless loop circuit.
In the present embodiment, On-off signal exports optical coupling isolation circuit and is equipped with On-off signal terminal, and passes through switching value
Output relay access is equipped with output switch parameter terminal.
In the present embodiment, general supply is electrically connected with CPU power supply, relay and optocoupler power supply respectively；CPU is supplied
Power supply is electrically connected by power interface and single-chip microcontroller, is exported as DC3.3V；Relay and optocoupler power supply respectively with open
Input and output optical coupling isolation circuit is measured in pass, switching value output relay is electrically connected, and output is DC5V.
In the present embodiment, box body uses aluminium shell.
In the present embodiment, waterproof apron is rubber material.
A kind of ring network cabinet control box operating method, comprising the following steps:
(1) judge that local operation still remotely operates, local operation carries out step (2), and remote operation then carries out step
(3)；
(2) switch knob of control box is pressed, ring network cabinet energy storage motor starts energy storage, and ring network cabinet energy storage motor energy storage is completed
Afterwards, control box energy storage indicator light is bright, and ring network cabinet starts feed motion, and energy storage indicator light extinguishes, and ring network cabinet is in "on" position；It is logical
The opening button of control box is crossed, ring network cabinet realizes separating brake movement, and ring network cabinet is in gate-dividing state；
(3) ring network cabinet control unit receives reclosing command by serial ports or Ethernet interface, and ring network cabinet energy storage motor starts
Energy storage, after the completion of ring network cabinet energy storage motor energy storage, control box energy storage indicator light is bright, and ring network cabinet starts feed motion, energy storage instruction
Lamp extinguishes, and ring network cabinet is in "on" position；Ring network cabinet control unit receives separating brake instruction, looped network by serial ports or Ethernet interface
Cabinet realizes separating brake movement, and ring network cabinet is in gate-dividing state.
Because the divide-shut brake condition of different cabinet types is different, and the control section of previous motor-operating mechanism is solid for relay circuit
Determine the control mode of wired logic, every kind of mode of connection is only applicable to a kind of equipment cabinet type in this way for institute.If control strip occurs
Variation on part, it is necessary to the quantity of relay and wiring are adjusted again according to new control logic.
The present embodiment by adjusting single-chip microcontroller, and can adapt to different cabinet types according to each cabinet type Rule of judgment with this；If you need to more
The logic for changing divide-shut brake control adjusts single-chip microcontroller according to corresponding logic.
The present embodiment is applicable to various types of ring network cabinets, and effectively prevents condensation water in cabinet and control operating mechanism
Partial erosion and harm, substantially increases the safety of equipment.
It is described the invention in detail above by embodiment, but the content is only exemplary implementation of the invention
Example, should not be considered as limiting the scope of the invention.Protection scope of the present invention is defined by the claims.All utilizations
Technical solutions according to the invention or those skilled in the art are under the inspiration of technical solution of the present invention, in reality of the invention
In matter and protection scope, designs similar technical solution and reach above-mentioned technical effect, or to made by application range
All the changes and improvements etc. should still belong to patent of the invention and cover within protection scope.It should be noted that in order to clear
It is stated, part and protection scope of the present invention is omitted in explanation of the invention without being directly significantly associated with but this field skill
The statement of component known to art personnel and processing.
Claims (10)
1. a kind of ring network cabinet controls box, which is characterized in that further include circuit including box body (1), front panel (2), rear panel (3)
Plate；The both ends of box body (1) are fixed with front panel (2), rear panel (3) respectively；
The outer surface of the box body (1) be equipped with multiple grooves (11), box body (1) close to front panel (2), rear panel (3) it is interior
Wall is uniformly provided with multiple riffled tubes (13)；Box body (1) two sides inner wall is respectively equipped with the parallel slot of several groups (12)；
Front panel (2) installation is equipped with knob (21), indicator light (22), button (23)；Rear panel (3) installation is set
Standby line outlet (31), insurance (32)；
Encapsulating layer is equipped with inside the box body (1)；
It is internal that the circuit board is installed on box body (1), and it is defeated to be equipped with single-chip microcontroller, general supply, crystal resonant circuit, On-off signal
Optical coupling isolation circuit out；The single-chip microcontroller connects with crystal resonant circuit, On-off signal output optical coupling isolation circuit signal respectively
It connects.
2. a kind of ring network cabinet according to claim 1 controls box, which is characterized in that there are two the groove (11) sets and right
Claim, the circuit board is inserted in parallel into slot (12).
3. a kind of ring network cabinet according to claim 1 controls box, which is characterized in that the box body (1) is in cuboid, inner wall
Each apex angle is fixed with riffled tube (13)；The front panel (2), rear panel (3) pass through screw and riffled tube (13)
Connection.
4. a kind of ring network cabinet according to claim 1 controls box, which is characterized in that in the knob (21), button (23)
Side is equipped with waterproof apron, and equipment line outlet (31) installation is equipped with waterproof sealing head.
5. a kind of ring network cabinet according to claim 1 controls box, which is characterized in that the encapsulating layer is using the double groups of add-on type
Divide the conduction heat sealable glue of organosilicon to be potted, and occupies the 1/3-1/2 of tray interior volume.
6. a kind of ring network cabinet according to claim 1 controls box, which is characterized in that the circuit board is equipped with terminal, and leads to
Cross terminal connecting line road；The knob (21) and button (23) respectively with the termination contact on box body (1) internal circuit board；It is described
Slot (12) is located in encapsulating layer, and the route of connection terminal and equipment line outlet runs through encapsulating layer.
7. a kind of ring network cabinet according to claim 1 controls box, which is characterized in that be equipped with inside the single-chip microcontroller serial ports,
Clock interface, power interface, I/O interface, RMII interface；The single-chip microcontroller accesses crystal resonant circuit by clock interface, leads to
It crosses serial ports access RS232 serial port circuit and On-off signal is accessed by I/O interface respectively by RMII interface access network based on ethernet
Export optical coupling isolation circuit, anti-endless loop circuit.
8. a kind of ring network cabinet according to claim 1 controls box, which is characterized in that the On-off signal output optocoupler every
It is equipped with On-off signal terminal from circuit, and output switch parameter terminal is equipped with by switching value output relay access.
9. a kind of ring network cabinet according to claim 1 controls box, which is characterized in that the general supply is powered with CPU respectively
Power supply, relay and optocoupler power supply are electrically connected；The CPU power supply is electrically connected by power interface with single-chip microcontroller
It connects；The relay and optocoupler power supply export optical coupling isolation circuit, switching value output relay with On-off signal respectively
It is electrically connected.
10. a kind of ring network cabinet control box operating method described in -9 according to claim 1, comprising the following steps:
(1) judge that local operation still remotely operates, local operation carries out step (2), and remote operation then carries out step (3)；
(2) switch knob of control box is pressed, ring network cabinet energy storage motor starts energy storage, after the completion of ring network cabinet energy storage motor energy storage,
It is bright to control box energy storage indicator light, ring network cabinet starts feed motion, and energy storage indicator light extinguishes, and ring network cabinet is in "on" position；Pass through
The opening button of box is controlled, ring network cabinet realizes separating brake movement, and ring network cabinet is in gate-dividing state；
(3) ring network cabinet control unit receives reclosing command by serial ports or Ethernet interface, and ring network cabinet energy storage motor starts energy storage,
After the completion of ring network cabinet energy storage motor energy storage, control box energy storage indicator light is bright, and ring network cabinet starts feed motion, and energy storage indicator light is put out
It goes out, ring network cabinet is in "on" position；Ring network cabinet control unit receives separating brake instruction by serial ports or Ethernet interface, and ring network cabinet is real
Existing separating brake movement, ring network cabinet are in gate-dividing state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811514762.8A CN109449777A (en) | 2018-12-11 | 2018-12-11 | A kind of ring network cabinet control box and operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811514762.8A CN109449777A (en) | 2018-12-11 | 2018-12-11 | A kind of ring network cabinet control box and operating method |
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| Publication Number | Publication Date |
|---|---|
| CN109449777A true CN109449777A (en) | 2019-03-08 |
Family
ID=65557725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811514762.8A Pending CN109449777A (en) | 2018-12-11 | 2018-12-11 | A kind of ring network cabinet control box and operating method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364934A (en) * | 2019-04-12 | 2019-10-22 | 浙江开盛电气有限公司 | A kind of standardization quick-replaceable type looped network switch apparatus |
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| CN103780004A (en) * | 2014-01-24 | 2014-05-07 | 苏州融达兴电气有限公司 | Motor control box |
| CN204373679U (en) * | 2015-02-05 | 2015-06-03 | 威海市天罡仪表股份有限公司 | Embedding instrument case |
| CN106016161A (en) * | 2016-07-18 | 2016-10-12 | 芜湖市神龙新能源科技有限公司 | Novel inversion constant-current integrated solar LED street lamp control device |
| CN105979721A (en) * | 2016-07-21 | 2016-09-28 | 中兵通信科技股份有限公司 | Remote control stand switch controller structure |
| CN207559287U (en) * | 2017-12-22 | 2018-06-29 | 福建中电合创电力科技有限公司 | A kind of dehumidifier |
| CN207967608U (en) * | 2018-03-27 | 2018-10-12 | 北京合锐清合电气有限公司 | Distribution terminal based on NFC function |
| CN209001384U (en) * | 2018-12-11 | 2019-06-18 | 北京迈驰电气技术有限公司 | A kind of ring network cabinet control box |
| CN110707825A (en) * | 2019-11-12 | 2020-01-17 | 厦门明翰电气股份有限公司 | Ring main unit programmed control system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110364934A (en) * | 2019-04-12 | 2019-10-22 | 浙江开盛电气有限公司 | A kind of standardization quick-replaceable type looped network switch apparatus |
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