CN205960659U - Automatic phase modifier of low pressure three -phase unbalanced load - Google Patents
Automatic phase modifier of low pressure three -phase unbalanced load Download PDFInfo
- Publication number
- CN205960659U CN205960659U CN201620803560.5U CN201620803560U CN205960659U CN 205960659 U CN205960659 U CN 205960659U CN 201620803560 U CN201620803560 U CN 201620803560U CN 205960659 U CN205960659 U CN 205960659U
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- ratchet
- phase
- moving contact
- guide rod
- voltage
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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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Abstract
The utility model relates to a low pressure transmission line power supply unit field discloses an automatic phase modifier of low pressure three -phase unbalanced load very much. Be equipped with the arc -extinguish chamber between its two adjacent static contacts, being equipped with pawl return spring between pawl and the guide arm, being equipped with pawl location baffle on the guide arm, moving contact drive wheel edge is equipped with six ratchets, and tooth opposite direction on ratchet and the ratchet is equipped with the locating plate in the electro -magnet, be equipped with the spout on the locating plate, is equipped with the spacer pin on the guide arm, the spacer pin is located the spout, the articulated positioning lever who has 7 types in the casing, and positioning lever is located the guide arm top, is equipped with pull rod reset spring between positioning lever and the casing. The utility model discloses installation easy maintenance, simple structure, control circuit and phase -switching mechanism design scientific and reasonable, make low cheaply, the stable reliability is high. Can be effectual output phase voltage automatic switch -over on the higher circuit network phase place of voltage, reach the mesh ground of automatic balance three phase voltage and load.
Description
（One）Technical field
This utility model is related to low-voltage electricity transmission line power supply unit field, uneven particularly to a kind of low-voltage three-phase load
Phase order device.
（Two）Background technology
Electric power system Di electricity supply line of China is all three-phase four-wire power supply mode, supply load easily uneven
The phenomenon of single-phase weighting, reduces power supply quality, and the phase line line voltage distribution of weighting is too low also easily to be blown, and affects normal electricity consumption,
Also increase unnecessary electric energy loss simultaneously, have impact on the benefit of electric power system.National grid supplied to part low pressure in recent years
Electric wire road network has carried out technological transformation, solve line footpath, distribution capacity little the problems such as, but improve with exhausting level,
The household electrical appliance of heavy load surge, three-phase load unbalance phenomenon or generally existing, manually adjust three-phrase burden balance, due to
The Household Appliance not factor such as persistence, effect undesirable it is impossible to reach the highest service efficiency of transmission line of electricity.I in
The patent application of Patent No. 2013105810532 filed in 19 days November in 2013：Low-voltage three-phase load is uneven to be adjusted automatically
Phase device, discloses a kind of phase order device, has substantially solved this problem, but it remains following defect：In electromagnetism
During ferrum, guide rod, ratchet drive pawl wheel, because rotating ratio is very fast, with the rotating wheel of ratchet integrally connected can produce used
Property slide, so that moving contact can not be contacted with static contact it is impossible to form effective loop, destroy the overall performance of equipment
Stability；In addition alternate be susceptible to short circuit, lead to whole circuit be destroyed
（Three）Content of the invention
This utility model is in order to make up the defect of prior art, there is provided a kind of stable performance, the low voltage three-phase of safety are born
Lotus imbalance phase order device.
This utility model is achieved by the following technical solution：
A kind of low-voltage three-phase load imbalance phase order device, including Phase-switching mechanism, described Phase-switching mechanism bag
Include housing, in housing, be provided with moving contact drive and ratchet, described moving contact drive and the power supply of electric magnet and integrally connected
Guide plate is connected by fixing pin, and described power supply guide plate is provided with two symmetrical moving contacts in the center of circle with moving contact drive,
The diameter with diameter greater than ratchet of described moving contact drive, ratchet has six teeth, uniform around described moving contact drive
Six static contacts, when moving contact drive rotates, moving contact can contact with static contact, and described electric magnet is installed with guide rod,
It is hinged with ratchet on described guide rod, it is characterized in that, between two neighboring static contact, be provided with arc-extinguish chamber；Between described ratchet and guide rod
It is provided with pawl restoring spring, described guide rod is provided with ratchet positioning baffle, described ratchet positioning baffle is located at below ratchet, described
Moving contact drive edge is provided with six ratchets, and described ratchet is in opposite direction with the tooth on ratchet, and it is fixed to be provided with described electric magnet
Position plate, described location-plate is provided with chute, and described guide rod is provided with spacer pin, and described spacer pin is located in chute, described housing
Inside it is hinged with the positioning tie bar of 7 types, described positioning tie bar is located above guide rod, is provided with pull bar between described positioning tie bar and housing
Back-moving spring.
The beneficial effects of the utility model are：
This utility model is convenient to install and maintain, and structure is simple, control circuit and Phase-switching mechanism design science rationally, make
Cheap, reliability is high.Effectively output phase voltage can be automatically switched in the higher circuit network phase place of voltage, reach
Mesh ground to autobalance three-phase voltage and load.
（Four）Brief description
Below in conjunction with the accompanying drawings this utility model is further described：
Fig. 1 is circuit control principle figure of the present utility model；
Fig. 2 is the perspective structure schematic diagram of Phase-switching structure in this utility model；
Fig. 3 is the cross section structure diagram of moving contact drive.
In figure, D1、D2、D3For rectifier bridge, R1、R2、R3、R4、R5、R6For divider resistance, C1、C2、C3、C4、C5、C6For circuit
Filter capacitor, IC1、IC2、IC3For voltage comparator circuit, IC4For delay trigger circuit, D5For sampling setting voltage rectifier bridge, M2
Adjust resistance, T for setting voltage1It is triggering operating circuit with relay J, K is Phase-switching mechanism, 1 housing, and 2 guide rods reset
Spring, 3 fixed mounts, 4 electric magnet, 5 rivets, 6 chutes, 7 location-plates, 8 spacer pins, 9 guide rods, 10 ratchets, 11 pawl restoring spring,
12 spring fixed columns, 13,23,26,31,33,37 is static contact, and 14 is positioning tie bar, 15 fixed columns, and 16,17,18,19 is three
Phase voltage inlet wire binding post, 20 pull bar back-moving springs, 21 ratchets, 22 moving contacts, 24,29,32,36 arc-extinguish chambers, 25 moving contacts
Drive, 27 ratchets, 28 fixed covers, 30 is fixed pole, 38 ratchet positioning baffles, 39,40 power outlet binding posts, and 41,42 is solid
Rationed marketing is followed closely, 43 power supply guide plates, 45 power delivery guide plates, 44,46 rotation moving contacts, 47 voltage transmission lines.
（Five）Specific embodiment
Accompanying drawing is specific embodiment of the utility model.As shown in Figure 1 to Figure 3, this kind of low-voltage three-phase load is uneven certainly
Dynamic phase converter, including control circuit and Phase-switching mechanism, wherein control circuit includes rectifier bridge D1, D2, D3, divider resistance
R1, R2, R3, R4, R5, R6, filter capacitor C1, C2, C3, C4, C5, C6, voltage comparator ic 1, IC2, IC3, Time-delayed trigger electricity
Road IC4, relay J, sampling setting voltage rectifier bridge D5, setting voltage adjustment resistance M2 and divider resistance R8 composition voltage detecting
Initialization circuit, variable resistance M1；Phase-switching mechanism K includes housing 1, is installed with the dynamic of electric magnet 4 and integrally connected in housing 1
Contact drive 25 and ratchet 27, electric magnet 4 is fixed on housing 1 by fixed mount 3, and moving contact drive 25 is also ratchet 27
Structure, the ratchet 21 of its periphery is in opposite direction with the tooth on ratchet 27, and the tooth on ratchet 27 is towards electric magnet 4, ratchet 21 He
Tooth all only has six, the diameter with diameter greater than ratchet 27 of moving contact drive 25, moving contact drive 25 and power supply guide plate 43
Connected by fixing pin 41,42, be installed with two centers of circle with moving contact drive 25 in the periphery of power supply guide plate 43 symmetrical
Moving contact 22, in housing 1 upper measurement around uniform six static contacts 13,23,26,31,33,37 of moving contact drive 25, static contact
It is fixed on housing 1, when moving contact drive 25 rotates, moving contact 22 can contact with static contact, two neighboring static contact
Time is provided with arc-extinguish chamber 24,29,32,36, and moving contact drive 25 and ratchet 27 are axle turnable by fixed cover 28 and fix bar 30
Be fixed on housing 1, power delivery guide plate 45 is fixedly provided with housing 1, fixed cover 28 and fix bar 30 all pass through power supply
Transmission guide plate 45, is installed with two rotation moving contacts 44,46 in power supply guide plate 43 lower surface, rotates moving contact 44,46 and be located at electricity
Between source guide plate 43 and power delivery guide plate 45 and with power delivery guide plate 45 sliding contact；Electric magnet 4 is located at moving contact and passes
Driving wheel 25 and the lower left of ratchet 27, electric magnet 4 is installed with guide rod 9, and the lower end of guide rod 9 is cased with guide rod back-moving spring 2, and guide rod is multiple
Position spring 2 is located between electric magnet 4 and the lower end of guide rod 9, is installed with location-plate 7 by rivet 5, on location-plate 7 in electric magnet 4
Have chute 6, guide rod 9 is provided with spacer pin 8, spacer pin 8 is located in chute 6, ratchet 10 is hinged with guide rod 9 and ratchet is fixed
Position baffle plate 38, ratchet 10 is located above location-plate 7, and ratchet positioning baffle 38 is located at below ratchet 10, when guide rod 9 rises, spine
The free end of pawl 10 withstands in the tooth of ratchet 27, drives ratchet 27 to rotate, is provided with pawl restoring spring between ratchet 10 and guide rod 9
11, spring fixed column 12 is respectively equipped with ratchet 10 and guide rod 9, the two ends of pawl restoring spring 11 are respectively fitted over spring and fix
The positioning tie bar 14 of 7 types, on post 12, is hinged with the housing 1 above guide rod 9, when guide rod 9 pushes up upwards by fixed column 15
When living positioning tie bar 14, the lower end of positioning tie bar 14 is stuck in ratchet 21, so that moving contact drive 25 is not rotated further by, draws in positioning
Be provided with pull bar back-moving spring 20 between bar 14 and housing 1, housing 1 is provided with four three-phase voltage inlet wire binding posts 16,17,
18th, 19, each group of symmetrical static contact is connected with a three-phase voltage inlet wire binding post, is additionally provided with two electricity on housing 1
Source outlet binding post 39,40.
Work process is as follows：This utility model is arranged on user's batch meter front end.As shown in figure 1, rectifier bridge D1, D2, D3
Respectively rectification is carried out to A, B, C three phase mains of input, make alternating current become unidirectional current, R1, R2, R3, R4, R5, R6 group composition
Volt circuit carries out partial pressure to above-mentioned unidirectional current, makes voltage reach the operating voltage range that can detect, C1, C2, C3, C4, C5, C6
To DC voltage filtering, make detection voltage ripple row stable, three-phase voltage is rectified, partial pressure, after filtering, respectively enter voltage ratio relatively
Device IC1、IC2、IC3In, rectifier bridge D5、Setting voltage adjusts resistance M2, divider resistance R8 ratio of components compared with voltage setting circuit, power supply
Terminate on the voltage transmission line 47 that phase place mechanical switch mechanism power transmits above guide plate 45, such voltage ratio is compared with initialization circuit
Come from the output circuit after Phase-switching using voltage, so, the comparison voltage of setting is only to other two-phase power supply voltage
Do pressure reduction to compare, as input voltage A, B, C mono-, mutually or two-phase voltage is higher than D5、M2、R8During comparison voltage set point, voltage ratio
Compared with IC circuit1、IC2、IC3In just have one or two output pin become high pressure position, delay trigger circuit IC4 work, can through M1
After becoming the delay time that resistance sets, 9 feet export a trigger pulse, and relay J works, the electromagnetism in phase place mechanical mechanism
Ferrum 4 provides running voltage, and electric magnet 4 works, and guide rod 9 drives ratchet 10 above quickly to move upwards, and ratchet 10 promotes simultaneously
Ratchet 27, moving contact drive 25 rotate.Guide rod 9 is limited by the stroke distances of the chute 6 on location-plate 7 and spacer pin 8, works as fortune
Just it is automatically stopped during dynamic certain distance.At this moment the positioning tie bar 14 being arranged on guide rod 9 top is headed into working condition, positioning tie bar
14 lower end snaps in the ratchet 34 of moving contact drive 25, prevents moving contact drive 25 from quickly stirring lower product in ratchet 10
Raw inertia is rotated further, and makes the two more preferable and wherein symmetrical stationary contacts of two moving contacts 22 being arranged on power supply guide plate
Head contact puts in place, and pull bar back-moving spring 20 can make positioning tie bar 14 automatically reset after hours, makes under positioning tie bar 14
End is departed from ratchet 34, waits next task.In phase place mechanical switch mechanism, ratchet 27 and every turn of moving contact drive 25
Dynamic 60 degree, complete one action.When guide rod resets, during the free end of the ratchet tooth on departing from ratchet, ratchet pawl reset
Spring is compressed, and after the free end of ratchet completely disengages from the tooth on ratchet, ratchet resets in the presence of ratchet consoles spring, leans on
On ratchet positioning baffle.Two moving contacts being arranged on power supply guide plate 43 will be arranged on the symmetrical corresponding of surrounding
Two static contacts connect.
Two symmetrical static contacts are spelled as a phase firewire contact, 6 static contacts of surrounding are just divided into three-phase firewire to connect
Point, 60 degree of every turn of ratchet one time, just carry out the switching of a phase firewire, ratchet 27 rotates a circle, just real made three-phase firewire
Switch respectively, when switching is by D5、M2、R8The comparing voltage value setting is in the voltage meeting setting with other two phase firewire detection voltages
Comparator IC during difference scope1、IC2、IC3All output pins be electronegative potential, IC4During time delay, triggers circuit quits work, circuit enters
Enter and check search condition, the voltage of switching, passed by two rotation moving contacts 44,46 being arranged on below moving contact drive 25
Defeated deliver to by D to power delivery guide plate 45 and by wire one road5、M2, divider resistance R8 composition comparison voltage initialization circuit divide
Analysis, a routing power outlet binding post 39 or 40 is drawn, for users to use.
On one transformer platform area low voltage transmission line, many this utility model are installed, just can reach preferable three-phase voltage
The state in a basic balance with load.
In control circuit, various electronic devices and components, all using standard industry level, make circuit stability, reliability it is ensured that using the longevity
Life.Electrical equipment ferrum 4 in phase place mechanical switch mechanism, using the high life coil block of high-quality, guide rod 9, ratchet 10, ratchet pawl reset
Spring 11, positioning tie bar 14 is all manufactured using high-quality steel, and moving contact drive 25 and ratchet 27 adopt high grade project nylon material
Material integrated injection molding manufacture.Moving contact 22 and rotate moving contact 46,44 using elasticity preferably phosphorus copper plate manufacture, static contact 13,23,
26th, 31,33,37 the excellent steel matter of electric conductivity is adopted to manufacture, fix bar 30 adopts the wear-resisting and preferable copper material system of hardness
Make.Housing 1 adopts good insulation preformance, and high, the ageing-resistant ABS material of hardness is molded, three-phase voltage inlet wire binding post 16,
17th, 18,19 and power outlet binding post 39,40 all using the copper material manufacture that electric conductivity is excellent.
In addition to technical characteristic described in description, remaining technical characteristic is technology known to those skilled in the art.
Claims (1)
1. a kind of low-voltage three-phase load imbalance phase order device, including Phase-switching mechanism, described Phase-switching mechanism includes
Housing（1）, housing（1）Inside it is provided with electric magnet（4）Moving contact drive with integrally connected（25）And ratchet（27）, described dynamic tactile
Head drive（25）With power supply guide plate（43）By fixing pin（41、42）Connect, described power supply guide plate（43）It is provided with two
With moving contact drive（25）The symmetrical moving contact in the center of circle（22）, described moving contact drive（25）With diameter greater than ratchet
（27）Diameter, ratchet（27）On have six teeth, described moving contact drive（25）Uniform six static contacts of surrounding（13、23、
26、31、33、37）, when moving contact drive（25）During rotation, moving contact can contact with static contact, described electric magnet（4）On
It is installed with guide rod（9）, described guide rod（9）On be hinged with ratchet（10）, it is characterized in that, between two neighboring static contact, be provided with arc-extinguish chamber
（24、29、32、36）；Described ratchet（10）With guide rod（9）Between be provided with pawl restoring spring（11）, described guide rod（9）It is provided with
Ratchet positioning baffle（38）, described ratchet positioning baffle（38）Positioned at ratchet（10）Lower section, described moving contact drive（25）Side
Edge is provided with six ratchets（21）, described ratchet（21）With ratchet（27）On tooth in opposite direction, described electric magnet（4）It is fixed to be inside provided with
Position plate（7）, described location-plate（7）It is provided with chute（6）, described guide rod（9）It is provided with spacer pin（8）, described spacer pin（8）Position
In chute（6）Interior, described housing（1）Inside it is hinged with the positioning tie bar of 7 types（14）, described positioning tie bar（14）Positioned at guide rod（9）
Top, described positioning tie bar（14）And housing（1）Between be provided with pull bar back-moving spring（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620803560.5U CN205960659U (en) | 2016-07-28 | 2016-07-28 | Automatic phase modifier of low pressure three -phase unbalanced load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620803560.5U CN205960659U (en) | 2016-07-28 | 2016-07-28 | Automatic phase modifier of low pressure three -phase unbalanced load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205960659U true CN205960659U (en) | 2017-02-15 |
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ID=57973271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620803560.5U Expired - Fee Related CN205960659U (en) | 2016-07-28 | 2016-07-28 | Automatic phase modifier of low pressure three -phase unbalanced load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205960659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115101361A (en) * | 2022-06-21 | 2022-09-23 | 国网山东省电力公司成武县供电公司 | Automatic load distribution switch for low-voltage line |
-
2016
- 2016-07-28 CN CN201620803560.5U patent/CN205960659U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115101361A (en) * | 2022-06-21 | 2022-09-23 | 国网山东省电力公司成武县供电公司 | Automatic load distribution switch for low-voltage line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20170728 |