CN109301718A - A kind of three-phase mechanical interlocking phase modulation electricity box - Google Patents
A kind of three-phase mechanical interlocking phase modulation electricity box Download PDFInfo
- Publication number
- CN109301718A CN109301718A CN201811442078.3A CN201811442078A CN109301718A CN 109301718 A CN109301718 A CN 109301718A CN 201811442078 A CN201811442078 A CN 201811442078A CN 109301718 A CN109301718 A CN 109301718A
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- Prior art keywords
- phase
- switch
- hole
- phase modulation
- interlocks
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Classifications
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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
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- 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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
- H01H2009/265—Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of more than two switches
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a kind of three-phase mechanicals to interlock phase modulation electricity box, including cabinet body, it is mounted with that three-phase mechanical interlocks phasing switch on the upside of the interior of the cabinet, copper bar is installed on the downside of the mechanical interlocked phasing switch of two-phase, current transformer is installed on the copper bar, connecting terminal block is installed in copper bar end, and zero-emission is installed on the right side of terminal block, installs ammeter below zero-emission.Inside of the invention is mounted with that three-phase mechanical interlocks phasing switch, can be effectively prevented wherein two-phase switch be closed at and caused by phase fault, current transformer and ammeter are mounted in device box simultaneously, load current value is checked by what the electric current observation window on cabinet body side door can be convenient, is provided important data for phase modulation and is supported.The present invention only needs shirtsleeve operation air switch divide-shut brake, and load supplying power supply can be completed and mutually switch, and so as to shorten the telegram in reply time, improves power supply reliability, reduces phase modulation operating risk, improves security performance.
Description
Technical field
The present invention relates to phase modulation apparatus, and in particular to a kind of three-phase mechanical interlocking phase modulation electricity box.
Background technique
Traditional artificial pm mode regulating cycle is long, and effect is poor, causes unnecessary power failure, and task difficulty is opposite
It is larger, a large amount of unnecessary manpowers and time are wasted, needs to carry out automatic improving.Capacitive three-phase load self-checking device
Although can fast and effectively adjust three-phase current with power electronics type three-phase load self-checking device, guarantee transformer low voltage
Outgoing line side three-phase balance, but cannot fundamentally solve the problems, such as actual load equilibrium assignment, it is palliative.
Accordingly, it is badly in need of one kind easy to operate, high degree of automation, safer three-phase mechanical interlocking phase modulation table at present
Case provides guarantee to the personal safety of operator.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of easy to operate, high degree of automation, safer
Three-phase mechanical interlocks phase modulation electricity box.
The present invention solves above-mentioned technical problem using following technical scheme:
A kind of three-phase mechanical interlocking phase modulation electricity box, including cabinet body, the interior of the cabinet upside are mounted with that three-phase mechanical interlocks
Phasing switch, the three-phase mechanical interlocking phasing switch includes air switch, interlocking panel, sliding rail guide plate, lock tongue;The sky
Air cock is split type, including fixing seat and switch base, described by screw fixed installation between the fixing seat and switch base
Screw extends downwardly, and the mounting portion of screw reaches fixed base rear end, and the air switch is three and successively fixes peace side by side
The front of dress, two neighboring air switch is fixedly connected by an interlocking panel, equal on each interlocking panel front
It is fixed with a sliding rail guide plate, horizontal through hole is equipped between sliding rail guide plate and interlocking panel, the horizontal through hole
Size and the size of lock tongue match, and the both ends of lock tongue are equipped with first positioning hole and second location hole, and the interlocking panel is equipped with
The fixation hole to match with first positioning hole, second location hole, the sliding rail guide plate is interior to be equipped with Level tune hole, the lock tongue
Centre is equipped with adjusting knob, and adjusting knob can move freely in Level tune hole, be equipped with one on each air switch and open
Handle is closed, when adjusting knob is moved to Far Left along Level tune hole, lock tongue left end resists the switch knob top on the left side, this
When second location hole be located at it is in Level tune hole and corresponding with the fixation hole of interlocking panel, when adjusting knob is along Level tune hole
When being moved to rightmost, lock tongue right end resists the switch knob top on the right, and first positioning hole is located in Level tune hole at this time
And it is corresponding with the fixation hole of interlocking panel;Copper bar is installed, on the copper bar on the downside of the mechanical interlocked phasing switch of the two-phase
Current transformer is installed, connecting terminal block is installed in the copper bar end, and zero-emission, the zero-emission lower section are installed on the right side of the terminal block
Ammeter is installed.
As one of preferred embodiment of the invention, front cabinet door is installed in the front activity of the cabinet body, the cabinet door with it is described
The corresponding position of ammeter is equipped with ammeter observation window.
As one of preferred embodiment of the invention, installation examination electric energy meter, the examination electric energy meter on the downside of the ammeter
Downside is installed by protective grounding.
As one of preferred embodiment of the invention, it is mounted with that C45 is switched on the left of the protective grounding, on the C45 switch
Side is mounted with two rows of electric energy meter brackets.
As one of preferred embodiment of the invention, every row's electric energy meter bracket includes two electric energy meter brackets, the electricity
Energy table bracket includes vertical adjustment plate, left cross-brace plate and right cross-brace plate;The vertical adjustment plate includes one vertical
The connecting pin of adjustment hole on direction, the left cross-brace plate and right cross-brace plate passes through the fixed peace of bolt mutual dislocation
Dress, the bolt are stuck in adjustment hole, and rear end is secured with nuts, outside the both sides of the left cross-brace plate and right cross-brace plate
End is handled using fillet.
As one of preferred embodiment of the invention, the copper bar is fillet copper bar.
As one of preferred embodiment of the invention, the interlocking panel of copper material by being made, the interlocking panel
Shape be class it is I-shaped.
As one of preferred embodiment of the invention, the switch base of the air switch is equipped with radiating part, the radiating part
For U-shaped hole, the screw is installed in U-shaped hole, and the radiating part is 18, and each air switch is evenly distributed with 6 heat dissipations
Portion, the present embodiment are radiated using U-shaped hole, improve the radiating rate of three-phase mechanical interlocking phasing switch.
As one of preferred embodiment of the invention, the upper and lower ends of the interlocking panel pass through plus screw and are fixed on phase
The top and the bottom of the switch base of adjacent air space air cock, each interlocking panel fixed rack guide plate by welding, this
Embodiment fixation by way of plus screw easily facilitates disassembly, stronger by the way that sliding rail guide plate is welded and fixed.
The present invention compared with prior art the advantages of be: the present invention is internal to be mounted with that three-phase mechanical interlocks phasing switch, can
With effectively prevent wherein two-phase switch be closed at and caused by phase fault, while current transformer is mounted in device box
And ammeter, load current value is checked by what the electric current observation window on cabinet body side door can be convenient, provides weight for phase modulation
The data wanted are supported.The present invention only needs shirtsleeve operation air switch divide-shut brake, and load supplying power supply can be completed and mutually switch, from
And shorten the telegram in reply time, power supply reliability is improved, phase modulation operating risk is reduced, improves security performance.
Detailed description of the invention
Fig. 1 is the overall schematic of three-phase mechanical interlocking phase modulation electricity box in embodiment;
Fig. 2 is the amplification signal of the three-phase mechanical interlocking phasing switch in embodiment in three-phase mechanical interlocking phase modulation electricity box
Figure;
Fig. 3 is the side schematic view of interlocking panel and sliding rail guide plate secure fit in embodiment;
Fig. 4 is the electric energy meter bracket enlarged diagram in embodiment in three-phase mechanical interlocking phase modulation electricity box.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
Referring to Fig. 1-4: a kind of three-phase mechanical of the present embodiment interlocks phase modulation electricity box, including cabinet body 1, inside the cabinet body 1
Upside is mounted with that three-phase mechanical interlocks phasing switch 2, and the three-phase mechanical interlocking phasing switch 2 includes air switch 21, interlocking
Panel 24, sliding rail guide plate 25, lock tongue 26;The air switch 21 is split type, including fixing seat 22 and switch base 23, described
It is fixedly mounted between fixing seat 22 and switch base 23 by screw 211, the screw 211 extends downwardly, the installation of screw 211
Portion reaches fixed base rear end, and the air switch 21 is three and is successively fixedly mounted side by side, two neighboring air switch 21
Front is fixedly connected by an interlocking panel 24, and a sliding rail guiding is respectively and fixedly provided on each 24 front of interlocking panel
Plate 25, between sliding rail guide plate 25 and interlocking panel 24 be equipped with horizontal through hole 214, the size of the horizontal through hole 214 with
The size of lock tongue 26 matches, and the both ends of lock tongue 26 are equipped with first positioning hole 29 and second location hole 210, the interlocking panel 24
Equipped with the fixation hole to match with first positioning hole 29, second location hole 210, Level tune is equipped in the sliding rail guide plate 25
Hole is equipped with adjusting knob 27 among the lock tongue 26, and adjusting knob 27 can move freely in Level tune hole, and each air is opened
It closes and is equipped with a switch knob 28 on 21, when adjusting knob 27 is moved to Far Left along Level tune hole, 26 left end of lock tongue
28 top of switch knob on the left side is resisted, second location hole 210 is located in Level tune hole and consolidates with interlocking panel 24 at this time
It is corresponding to determine hole, when adjusting knob 27 is moved to rightmost along Level tune hole, 26 right end of lock tongue resists the switch hand on the right
28 top of handle, first positioning hole 29 is located in Level tune hole and corresponding with the fixation hole of interlocking panel 24 at this time;It is described double
Copper bar 3 is installed on the downside of mechanical kilowatt interlocking phasing switch 2, current transformer 4,3 end of the copper bar peace are installed on the copper bar 3
Connecting terminal block 5 is filled, zero-emission 6 is installed on the right side of the terminal block 5, ammeter 8 is installed below the zero-emission 6;Before the cabinet body 1
Front cabinet door 13 is installed in portion's activity, and the cabinet door 13 position corresponding with the ammeter 8 is equipped with ammeter observation window 7, described
Electric energy meter 10 is examined in installation on the downside of ammeter 8, installs protective grounding 12 on the downside of the examination electric energy meter 10.Peace inside the present embodiment
Filled three-phase mechanical interlocking phasing switch, can be effectively prevented wherein two-phase switch be closed at and caused by phase fault, together
When device box in be mounted with current transformer and ammeter, can be convenient by the electric current observation window on cabinet body side door
It checks load current value, provides important data for phase modulation and support.The present embodiment only needs shirtsleeve operation air switch divide-shut brake,
Load supplying power supply can be completed mutually to switch, so as to shorten the telegram in reply time, improve power supply reliability, reduce phase modulation operation wind
Security performance is improved in danger.
Embodiment 2
A kind of three-phase mechanical of the present embodiment interlocks phase modulation electricity box, and structure is substantially the same manner as Example 1, main difference it
Be in: be mounted with C45 switch 11 on the left of the protective grounding 12,11 top of C45 switch is mounted with two rows of electric energy meter supports
Frame 9, every row's electric energy meter bracket 9 include two electric energy meter brackets 9, and the electric energy meter bracket 9 includes vertical adjustment plate 91, a left side
Cross-brace plate 92 and right cross-brace plate 93;The vertical adjustment plate 91 includes the adjustment hole 94 on a vertical direction, institute
The connecting pin for stating left cross-brace plate 92 and right cross-brace plate 93 is fixedly mounted by bolt mutual dislocation, and the bolt is stuck in
In adjustment hole 94, rear end is secured with nuts, and the both sides outer end of the left cross-brace plate 92 and right cross-brace plate 93 uses circle
Angle processing.The left cross-brace plate of the present embodiment and the dislocation of right cross-brace plate are fixedly mounted on when cooperation with electric energy meter more
Add and easily fixes, it is more stable;A degree of height can be adjusted in the vertical direction by adjustment hole, so as to adjust electric energy
The mounting height of table.
Embodiment 3
A kind of three-phase mechanical of the present embodiment interlocks phase modulation electricity box, and structure is substantially the same manner as Example 1, main difference it
Being in: the copper bar 3 is fillet copper bar, in order to avoid generate point discharge.
Embodiment 4
A kind of three-phase mechanical of the present embodiment interlocks phase modulation electricity box, and structure is substantially the same manner as Example 1, main difference it
Be in: the interlocking panel 4 of copper material by being made, and the shape of the interlocking panel 4 is that class is I-shaped, the present embodiment
Corrosion is prevented using copper material, I-shaped structure is more stable and saves material.
Embodiment 5
A kind of three-phase mechanical of the present embodiment interlocks phase modulation electricity box, and structure is substantially the same manner as Example 1, main difference it
It is in and is equipped with radiating part 213 in: the switch base of the air switch 21, the radiating part 213 is U-shaped hole, the screw 211
It is installed in U-shaped hole, the radiating part 213 is 18, and each air switch 1 is evenly distributed with 6 radiating parts 213, this implementation
Example is radiated using U-shaped hole, improves the radiating rate of three-phase mechanical interlocking phasing switch.
Embodiment 6
A kind of three-phase mechanical of the present embodiment interlocks phase modulation electricity box, and structure is substantially the same manner as Example 1, main difference it
Be in: the upper and lower ends of the interlocking panel 24 pass through the switch base that plus screw 212 is fixed on adjacent air switch 21
23 top and the bottom, fixed rack guide plate 25, the present embodiment pass through ten to each interlocking panel 24 by welding
The mode fixation of word screw easily facilitates disassembly, stronger by the way that sliding rail guide plate is welded and fixed.
Working principle: the present embodiment three-phase mechanical interlocking phase modulation electricity box be equipped with three-phase mechanical interlocking phasing switch, three
Mutually there are mechanical interlocked between switch, after two lock tongues are moved to the left side simultaneously, it is pressed into positioning pin, the most right side can only be closed
The switch knob of the switch knob of air switch, other two groups of air switches can not be closed under lock tongue interlocking;When lock tongue simultaneously
After being moved to the right side, it is pressed into positioning pin, the switch knob of the air switch on the most left side can only be closed, while two groups of right side air is opened
The switch knob of pass can not be also closed under lock tongue interlocking;It, can be with when the switch knob for needing to be closed intermediate one group of air switch
By two lock tongues to left and right towards moving right, it is pressed into positioning pin, the switch knob of intermediate one group of air switch can be closed;By
This is as it can be seen that synchronization can only close the switch of the phase among three-phase;When needing phase modulation, looked into first by ammeter observation window
It sees that the electricity box mostly band institute loaded total current value is first turned on cabinet door when determining that being appropriate for load commutated operates, releases three
After mechanical kilowatt interlocks the mechanical latching of phasing switch, Operation switch divide-shut brake carries out commutation, due to being mounted on load copper bar
Current transformer can acquire load current value, avoid and measure electric current using clamp on amperemeter, substantially increase commutation operation
Efficiency and safety coefficient.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of three-phase mechanical interlocks phase modulation electricity box, which is characterized in that including cabinet body (1), cabinet body (1) the upper inside installation
Three-phase mechanical interlocking phasing switch (2), three-phase mechanical interlocking phasing switch (2) includes air switch (21), mutual locking face
Plate (24), sliding rail guide plate (25), lock tongue (26);The air switch (21) be it is split type, including fixing seat (22) and switch
Seat (23) is fixedly mounted between the fixing seat (22) and switch base (23) by screw (211), and the screw (211) is downward
Extend, the mounting portion of screw (211) reaches fixed base rear end, and the air switch (21) is three and successively fixes peace side by side
The front of dress, two neighboring air switch (21) is fixedly connected by an interlocking panel (24), each interlocking panel
(24) it is respectively and fixedly provided with a sliding rail guide plate (25) on front, level is equipped between sliding rail guide plate (25) and interlocking panel (24)
Through hole (214), the size of the horizontal through hole (214) and the size of lock tongue (26) match, and the both ends of lock tongue (26) are set
There are first positioning hole (29) and second location hole (210), the interlocking panel (24) is equipped with determines with first positioning hole (29), second
The fixation hole that position hole (210) matches, the sliding rail guide plate (25) is interior to be equipped with Level tune hole, sets among the lock tongue (26)
Have adjusting knob (27), adjusting knob (27) can move freely in Level tune hole, be equipped on each air switch (21)
One switch knob (28), when adjusting knob (27) is moved to Far Left along Level tune hole, lock tongue (26) left end resists a left side
Switch knob (28) top on side, second location hole (210) is located in Level tune hole and consolidates with interlocking panel (24) at this time
It is corresponding to determine hole, when adjusting knob (27) is moved to rightmost along Level tune hole, lock tongue (26) right end resists opening for the right
Handle (28) top is closed, first positioning hole (29) is located in Level tune hole and opposite with the fixation hole of interlocking panel (24) at this time
It answers;It is equipped with copper bar (3) on the downside of the mechanical interlocked phasing switch of two-phase (2), current transformer is installed on the copper bar (3)
(4), zero-emission (6) are installed on copper bar (3) end installation connecting terminal block (5), terminal block (5) right side, the zero-emission (6)
Lower section is installed by ammeter (8).
2. three-phase mechanical according to claim 1 interlocks phase modulation electricity box, which is characterized in that the front of the cabinet body (1) is living
Dynamic installation front cabinet door (13), the cabinet door (13) position corresponding with the ammeter (8) are equipped with ammeter observation window (7).
3. three-phase mechanical according to claim 1 interlocks phase modulation electricity box, which is characterized in that peace on the downside of the ammeter (8)
Protective grounding (12) are installed in dress examination electric energy meter (10), examination electric energy meter (10) downside.
4. three-phase mechanical according to claim 3 interlocks phase modulation electricity box, which is characterized in that on the left of the protective grounding (12)
It is mounted with that C45 switchs (11), is mounted with two rows of electric energy meter brackets (9) above the C45 switch (11).
5. three-phase mechanical according to claim 4 interlocks phase modulation electricity box, which is characterized in that every row's electric energy meter bracket
It (9) include two electric energy meter brackets (9), the electric energy meter bracket (9) includes vertical adjustment plate (91), left cross-brace plate (92)
With right cross-brace plate (93);The vertical adjustment plate (91) includes the adjustment hole (94) on a vertical direction, the left cross
It is fixedly mounted to the connecting pin of support plate (92) and right cross-brace plate (93) by bolt mutual dislocation, the bolt is stuck in tune
In knothole (94), rear end is secured with nuts, and the both sides outer end of the left cross-brace plate (92) and right cross-brace plate (93) makes
It is handled with fillet.
6. three-phase mechanical according to claim 1 interlocks phase modulation electricity box, which is characterized in that the copper bar (3) is fillet copper
Row.
7. three-phase mechanical according to claim 1 interlocks phase modulation electricity box, which is characterized in that the interlocking panel (24) is to adopt
It is made of copper material, the shape of the interlocking panel (24) is that class is I-shaped.
8. three-phase mechanical according to claim 1 interlocks phase modulation electricity box, which is characterized in that air switch (21) are opened
It closes seat and is equipped with radiating part (213), the radiating part (213) is U-shaped hole, and the screw (211) is installed in U-shaped hole, described
Radiating part (213) is 18, and each air switch (21) is evenly distributed with 6 radiating parts (213).
9. three-phase mechanical according to claim 1 interlocks phase modulation electricity box, which is characterized in that the interlocking panel (24) it is upper
Lower both ends pass through the top and the bottom that plus screw (212) is fixed on the switch base (23) of adjacent air switch (21), each described
Interlocking panel (24) fixed rack guide plate (25) by welding.
Priority Applications (1)
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CN201811442078.3A CN109301718B (en) | 2018-11-29 | 2018-11-29 | Three-phase mechanical interlocking phase modulation meter box |
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CN201811442078.3A CN109301718B (en) | 2018-11-29 | 2018-11-29 | Three-phase mechanical interlocking phase modulation meter box |
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CN109301718A true CN109301718A (en) | 2019-02-01 |
CN109301718B CN109301718B (en) | 2023-08-22 |
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CN201811442078.3A Active CN109301718B (en) | 2018-11-29 | 2018-11-29 | Three-phase mechanical interlocking phase modulation meter box |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109378233A (en) * | 2018-12-03 | 2019-02-22 | 国网安徽省电力有限公司滁州供电公司 | A kind of three-phase mechanical interlocking phasing switch |
CN109950917A (en) * | 2019-03-27 | 2019-06-28 | 山东正瑞电子有限公司 | The self balancing electric meter data collecting system of three-phase load and selection switch |
CN110426540A (en) * | 2019-08-09 | 2019-11-08 | 安徽一天电气技术股份有限公司 | The mechanical lock of split-phase step switch |
CN112201501A (en) * | 2020-09-03 | 2021-01-08 | 国网河北省电力有限公司魏县供电分公司 | Micro-breaking interlocking device of power distribution cabinet |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205207A (en) * | 1978-01-16 | 1980-05-27 | Gould Inc. | Draw out circuit breaker assembly |
CN202307605U (en) * | 2011-09-29 | 2012-07-04 | 广东高新兴通信股份有限公司 | Mechanical interlocking mechanism of micro switch |
CN204720342U (en) * | 2015-05-07 | 2015-10-21 | 北京铁通康达铁路通信信号设备有限公司 | A kind of electric control system mechanical interlock |
CN107834371A (en) * | 2017-11-26 | 2018-03-23 | 安徽启源电力设备制造有限公司 | A kind of threephase load phasing switch case |
CN207381986U (en) * | 2017-11-20 | 2018-05-18 | 国家电网公司 | A kind of distribution threephase load auto-manual phasing switch case |
CN207409845U (en) * | 2017-11-20 | 2018-05-25 | 国家电网公司 | A kind of three-phase plastic shell circuit breaker load phasing switch case |
CN108598922A (en) * | 2018-07-03 | 2018-09-28 | 国网安徽省电力有限公司滁州供电公司 | Segmented threephase load phasing switch cabinet |
-
2018
- 2018-11-29 CN CN201811442078.3A patent/CN109301718B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205207A (en) * | 1978-01-16 | 1980-05-27 | Gould Inc. | Draw out circuit breaker assembly |
CN202307605U (en) * | 2011-09-29 | 2012-07-04 | 广东高新兴通信股份有限公司 | Mechanical interlocking mechanism of micro switch |
CN204720342U (en) * | 2015-05-07 | 2015-10-21 | 北京铁通康达铁路通信信号设备有限公司 | A kind of electric control system mechanical interlock |
CN207381986U (en) * | 2017-11-20 | 2018-05-18 | 国家电网公司 | A kind of distribution threephase load auto-manual phasing switch case |
CN207409845U (en) * | 2017-11-20 | 2018-05-25 | 国家电网公司 | A kind of three-phase plastic shell circuit breaker load phasing switch case |
CN107834371A (en) * | 2017-11-26 | 2018-03-23 | 安徽启源电力设备制造有限公司 | A kind of threephase load phasing switch case |
CN108598922A (en) * | 2018-07-03 | 2018-09-28 | 国网安徽省电力有限公司滁州供电公司 | Segmented threephase load phasing switch cabinet |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109378233A (en) * | 2018-12-03 | 2019-02-22 | 国网安徽省电力有限公司滁州供电公司 | A kind of three-phase mechanical interlocking phasing switch |
CN109950917A (en) * | 2019-03-27 | 2019-06-28 | 山东正瑞电子有限公司 | The self balancing electric meter data collecting system of three-phase load and selection switch |
CN110426540A (en) * | 2019-08-09 | 2019-11-08 | 安徽一天电气技术股份有限公司 | The mechanical lock of split-phase step switch |
CN112201501A (en) * | 2020-09-03 | 2021-01-08 | 国网河北省电力有限公司魏县供电分公司 | Micro-breaking interlocking device of power distribution cabinet |
CN112201501B (en) * | 2020-09-03 | 2022-12-27 | 国网河北省电力有限公司魏县供电分公司 | Micro-breaking interlocking device for power distribution cabinet |
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