CN205811653U - The electric capacity tripping device of automatic conversioning power - Google Patents
The electric capacity tripping device of automatic conversioning power Download PDFInfo
- Publication number
- CN205811653U CN205811653U CN201620655388.3U CN201620655388U CN205811653U CN 205811653 U CN205811653 U CN 205811653U CN 201620655388 U CN201620655388 U CN 201620655388U CN 205811653 U CN205811653 U CN 205811653U
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- Prior art keywords
- electric capacity
- tripping device
- power
- power supply
- capacity tripping
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Abstract
The utility model discloses the electric capacity tripping device of a kind of automatic conversioning power, comprising: a body；One electric capacity tripping device is located at body, is provided with a control circuit assembly, compares potential circuit with one inside electric capacity tripping device；Control circuit assembly has an alternating current input terminal and a unidirectional current lead-out terminal, and control circuit assembly has a full wave rectifying unit and an isolating transformer；Automatically monitoring switching circuit composition is comprising: one provides working power to the main AC power unit of the alternating current input terminal of electric capacity tripping device with one, and it has at least one first alternating current power supply input block, one second alternating current power supply input block and an outfan；With an auxiliary direct current source unit, there is outfan, be parallel to DC output end of described electric capacity tripping device.This utility model automatically monitors control switching circuit by one, it can be ensured that when normal power supply loop cannot power, and by other obtainable power supply support, will not occur without the phenomenon of electric power in order to system.
Description
Technical field
This utility model is related to electric capacity tripping device (Capactor Trip Device, CTD), is specifically related to one
The electric capacity tripping device of automatic conversioning power, it has the function of monitoring automatically and switching input power, when script current supply circuit
When cannot power, can be supported immediately by other electric power loop.The internal function selected that automatically switches of this device, it can be ensured that electric capacity is jumped
The normal operation that off loading is put, and its operating state is by showing in appearance will be apparent from.
Background technology
Electric capacity tripping device is a kind of product commonly used very much, but often allows people ignore its importance！Electric capacity is jumped
Off loading puts its place used, and is usually in high tension loop as the working power in high-pressure system escape loop.Either make
It is used in the trip coil of primary cut-out (CB), or is used in protecting the working power of relaying (Relay), when as electric capacity
During tripping device anergy, namely represent high-pressure system when having an accident, it is impossible to start is to isolate accident point, and it may happen that secondary
Even accident sets off an explosion, fire.
High_voltage isolation equipment (H.V.CB), is the instruction accepting protection relaying, the escape primary cut-out as whether, with will
Accident source is isolated by main supply main (at TaiWan, China, refer to the supply main of TaiWan, China Utilities Electric Co.).Therefore this open circuit
If device can not the escape immediately when a certain public institution (by the electricity side) accident that is short-circuited as scheduled, it will cause high_voltage isolation to set
Standby damage, and extend to affect main supply main supply power supply to other public institution's (by electricity side), cause the product of linksystem
Industry is lost.Primary cut-out can escape in time, be controlled by whether protection relaying can send instruction in real time, therefore, protect when providing
Protect the working power of relaying problematic time, this protection relaying would not action；This protection relaying would not action time, high pressure CB exists
Also would not action when accident occurs, it is impossible to the accident point of isolation public institution, cause serious second accident, even affect platform
Electricity feed line of power supply escape！Can not be careless.Pacifying event due to the work of this high risk and often produce accident because of erroneous judgement, then power supply is dry
The dealer (TaiWan, China Utilities Electric Co.) of line for prevent relaying when the short circuit accident, because voltage dip cannot action triggers chopper
Escape, and because of the saturated slow action of current transformer, it is desirable to public institution to install its protection system according to the rules, just can promise to supply
Electricity.Main specified content is: uses PT secondary side power supply for seasonable, should be aided with electric capacity tripping device or be aided with electric capacity jumping
UPS (UPS), and power minor or the electric capacity tripping device of digital electric courier are put and connect to off loading, must not connect confession
Chopper or miscellaneous equipment use.But this is preferable, and surprisingly usually comes from outside ideal state, UPS in practice
1 year, after 2 years nearly all can fault, but public institution is without perceiving, when being the most all to have short circuit accident, find height
Pressure xegregating unit will not escape, find that UPS is unable to supply working power to protection relaying, but late.
But observe existing electric capacity tripping device, the supply source of its power supply, it is generally from the secondary side of high pressure ratio depressor
Power supply, and its high pressure ratio depressor is bad at environment, or burn when transshipping that even accident occurs, or occur to make because of moisture absorption
Become pressure deficiency to produce insulation breakdown, the input of supply electric capacity tripping device can be caused not have electricity；Or electric capacity escape fills
Put internal main assembly electric capacity because of time aging decay, all can cause electric capacity tripping device anergy, it is impossible to normal power supply.Now
If outside cannot introduce other power supply such as UPS and hand over source current or DC source (such as DC system panel or other electric capacity jumping
The power supply that off loading is put), can cause high platen when the system failure, escape loop does not has working power, and cannot isolate accident point
Seriousness.
In old device systems, it is the most all use dish inner mold fixed electric capacity tripping device, under actual state, more
Change and repair distribution is not easy to, moreover when dish internally-fixed maintaining, it is necessary to open the Pan Men of high platen, usually
Therefore electrification accident can occur, because security concern, may also must move in card in the future, thus real for solving
The problem of electric capacity tripping device is changed in border maintenance, and a kind of fixing card is dual-purpose can modular electric capacity tripping device be to solve
Problem.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides a kind of electric capacity tripping device, and it can improve electric capacity in the past
The restriction that tripping device is all, is installed in card or is fixed on controller switching equipment and all can use, and modularity in addition, and has and clearly refer to
Show and the function of automatic switchover input power, to meet the rigors of user situation unexpected for various power supplies, prevent
During a certain power supply source fault, electric capacity tripping device just cannot be made to continue to provide critical activity power supply.
The electric capacity tripping device of automatic conversioning power of the present utility model, including:
One body；
One electric capacity tripping device is located at this body, is provided with a control circuit assembly inside this electric capacity tripping device, with a ratio
Relatively potential circuit its be provided with a rated voltage；This control circuit assembly has an alternating current input terminal and a DC output end
Son, this control circuit assembly has a full wave rectifying unit and an isolating transformer, the AC rectification transformation of input is become suitably
Working direct current electricity output；With
One automatically monitoring switching circuit composition comprising:
One provides working power to the main AC power unit of this alternating current input terminal of this electric capacity tripping device, and it has
There are at least one first alternating current power supply input block, one second alternating current power supply input block and an outfan；This main alternating current power supply list
Unit first passes through a main power control interlocking unit, this main power control interlocking unit select the input of this first alternating current power supply single
Unit, or this second alternating current power supply input block one of them, reoffer power supply give this electric capacity tripping device；With
One auxiliary direct current source unit has outfan, is parallel to this DC output end of described electric capacity tripping device
Son, this auxiliary direct current source unit first passes through a power supply assist control interlocking unit, reoffers DC source to this electric capacity escape
Device；When the magnitude of voltage that this DC output end of above-mentioned electric capacity tripping device exports, compare potential circuit less than this and preset
Rated voltage time, this power supply assist control interlocking unit is i.e. formed closed circuit, make this auxiliary direct current source unit provide direct current defeated
Go out.
As optimal technical scheme, the electric capacity tripping device of above-mentioned automatic conversioning power, also include that main power control interlocks
Unit, power supply assist control interlocking unit control, when the DC source of these three unit is defeated with auxiliary direct current source unit series winding
When going out whole anergy, the external AC power supply that the alternating current input terminal of this electric capacity tripping device is provided, it is directed directly to external
Load.
Preferably, this main power control interlocking unit is a relaying.
Preferably, this power supply assist control interlocking unit is a relaying.
This first alternating current power supply input block is preferably the secondary side power supply of external main supply main end (PT), but if desired
Can also be UPS, electromotor or other equivalent source.
This second alternating current power supply input block is preferably a UPS, and other be enough to substituted power supply certainly, such as
Electromotors etc. are the most applicable.
Preferably, this body has an ammeter profile plate, and this ammeter profile plate has a push button switch and an ammeter, respectively
Electrical ties is in this electric capacity tripping device, and this control circuit assembly and this push button switch are to lock, prevent circuit energising mistiming by
This push button switch lower also will not burn this electric capacity tripping device.
Preferably, this body is a box-like body.
Preferably, disassembled being fixed in distribution board card of this electric capacity tripping device.
This utility model can reach following technique effect:
This main AC power unit first passes through a main power control interlocking unit, it is also preferred that the left be such as a relaying, by this electricity
Source main control interlocking unit selects this first alternating current power supply input block, or this second alternating current power supply input block one of them,
Reoffer power supply to this electric capacity tripping device.Furthermore, separately have an auxiliary direct current source unit to have outfan, be parallel to above-mentioned electricity
Hold this DC output end of tripping device.This auxiliary direct current source unit first passes through a power supply assist control interlocking unit,
It is also preferred that the left be such as a relaying, reoffer DC source to this electric capacity tripping device.This direct current when above-mentioned electric capacity tripping device
The magnitude of voltage of electricity lead-out terminal output, when comparing, less than this, the rated voltage that potential circuit is preset, this power supply assist control interlocks
Unit is i.e. formed closed circuit, makes this auxiliary direct current source unit provide direct current output.Above-mentioned so-called to lock, refer to no matter make exchange
The control whether electricity or unidirectional current are energized, is to utilize electric contact normally opened (Normal Open) and normally closed (Normal Close) no
The skill that can be energized the same time, reaches the purpose selecting and controlling one of them power supply to power.The most above-mentioned preferred embodiment
The relaying lifted, it is also possible to utilize the mechanical component of equivalent electrical circuit or equivalence to replace, as long as execution choosing automatically can be had
The interlock function selecting one of them power supply of parallel circuit is the most permissible.
In other words, the electric capacity tripping device that this utility model provides, can be the electric capacity having just as electricity phenotypic status
Tripping device, or the electric capacity tripping device being fixed in disk body.It has an AC input terminal and a DC output terminal.And
And have an ac power input end, and a DC supply input.In appearance, all there is instruction the top of this input
Lamp shows.The inside of this utility model device forms, to reach the function of auto switching electric source by automatically monitoring switching circuit.Flat
Time based on PT secondary side power supply, one group of relaying control.When PT does not has power supply, the UPS of the second cis-position can input
Alternating current power supply is to electric capacity tripping device internal circuit.Again when the outlet side of electric capacity tripping device is less than below running voltage, meeting
Automatically switch to again another group auxiliary relaying action, and through DC source export, this DC source may come from DC system panel,
UPS, set of cells or another electric capacity tripping device.If under least preferably unexpected state, if do not had yet
During out-put supply, the most again with UPS or other suitable power supply, such as it is the alternating current of UPS, electromotor
Source directly exports.Above-mentioned by power supply control interlocking unit, perform to select one of them power supply to be allowed to input to electricity with limiting
Hold tripping device technology, it can be ensured that feeder ear has power supply supply, with promote electric power system supply power supply hold to escape loop
The reliability of row work.
This ammeter profile plate that this utility model provides is provided with an indicating member, and it can include display electricity normal, low
Pressure, the instruction device of deficit power, and outer contact is to control point.It addition, this electric capacity tripping device can also be fixed in dish,
Or disassemble and be loaded on freely in distribution board card.Test suite and instruction group can certainly be pulled out on the control unit
Part in distribution board card, so can solve old high pressure equipment dish device in dish, but in the future just in case to move to
During card, necessary perforate again, the loaded down with trivial details operation of distribution construction, this loaded down with trivial details operation is the most even wanted mutually when internal electric source input
During support, the operation such as its repacking, distribution, arrangement bothers very much, and constructs and may make mistakes, and even causes short circuit accident or burning
Ruin equipment etc..
In sum, such electric capacity tripping device can promote reliability, and power quality can promote.This utility model carries
The electric capacity tripping device of confession, has various advantage, has various instruction assembly to it will be seen that virtual condition, and has modular type to install
Test structure, and internal automatic switching loop, the power supply of multiple input power, so that distribution system, escape loop
Working power is more stable, promotes reliability and the reliability of electric power system of electric capacity tripping device.It is a kind of easily installation, and
The electric capacity tripping device of its power supply quality can be strengthened.
Accompanying drawing explanation
Fig. 1 is the electric capacity tripping device stereoscopic schematic diagram of this utility model automatic conversioning power, and show ontology is solid
Fixed.
Fig. 2 is similar to Fig. 1, but shows that device of the present utility model is the most freely.
Fig. 3 is the auto-changeover control block schematic diagram that this utility model monitors switching circuit automatically.
Fig. 4 is the circuit diagram that this utility model monitors switching circuit assembly automatically.
Fig. 5 is the circuit diagram of this utility model device internal control circuit assembly.
Description of reference numerals:
Body 10；Ammeter profile plate 11；
Control circuit assembly 20；Alternating current input terminal 21；DC output end 22；
Relaying 25；Relaying 26；The interlocking contact switch 2a, 2b of relaying；
Card 40；Auxiliary direct current source unit 41；
Ac power input end 50；DC supply input 60.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
This utility model can be better understood from and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
This utility model has an electric capacity tripping device of automatic conversioning power, the preferred embodiment implemented such as Fig. 1 institute
Showing, it has a solid space box-like body 10；Include an ammeter profile plate 11 to be hubbed on this body 10.This body 10 is permissible
It is fixed in card；Or as in figure 2 it is shown, whole electric capacity tripping device is detachable, disassembled it is loaded on distribution freely
In dish card 40.Furthermore, body 10 is provided with one group of alternating current input terminal 21 confession can input power, such as PT secondary side electricity
Source.Separately there is one group of ac power input end 50, with the basis that one group of DC supply input 60 is all integrally fixed at electric capacity tripping device
On body 10.Above input all can connect a display lamp, to have seen whether power supply.At DC output end 22 for direct current (DC)
Output also can connect a display lamp.All of power input, all enters in the switching circuit composition of monitoring automatically as shown in Figure 3,
Automatically, after monitoring switching selects suitable power supply, reoffer to the control circuit assembly 20 within electric capacity tripping device.This control
Circuit unit 20 refers to Fig. 5, in being the fixing body 10 being preset in electric capacity tripping device.The direct current of this control circuit assembly 20
Output can supply the electric power chopper to main feeder ear or relaying.It is provided with again one inside this electric capacity tripping device and compares voltage electricity
Road its be preset with a rated voltage, be such as direct current (DC) 80 volts.
Technological thought of the present utility model refer to the auto-changeover control block schematic diagram of Fig. 3, automatically monitors with Fig. 4 and cuts
Change the circuit diagram of circuit.One main AC power unit (square 70) is first provided, supplies electric capacity tripping device.When this main friendship
When stream power subsystem has the input of multiple alternating current power supply, an alternating current power supply main control interlocking unit is set, is such as relaying 25, holds
Row selects one of them alternating current power supply to be allowed to input to electric capacity tripping device with limiting.Alternating current power supply main control interlocking unit is pre-
If preferential execution selects the secondary side power supply (square 71) of external main supply main end (PT), it is supplied to electric capacity tripping device oneself
Dynamic monitoring switching circuit composition (square 73), in order to make control circuit assembly (square 20) operate.When main supply main end (PT)
Secondary side power supply when cannot provide alternating current power supply, then make alternating current power supply main control interlocking unit perform to select UPS
Power supply (square 72).First arrange one and compare potential circuit in electric capacity tripping device, and set up a nominal DC output voltage values
(square 74), in order to compare the VD of detecting electric capacity tripping device.
Please also refer to Fig. 4 and automatically monitor the circuit diagram of switching circuit assembly, with the circuit of Fig. 5 control circuit assembly
Shown in figure, this utility model also provides for an auxiliary direct current source unit (square 75), and its outfan is parallel to electric capacity tripping device
DC output end.In order to perform to select to allow auxiliary direct current source unit or the unidirectional current of electric capacity tripping device with limiting
Export the output of one of them DC source, a DC source assist control interlocking unit is set, is such as the mutual interlocking of relaying 26
Point switch 2a, 2b then can solve.This DC source assist control interlocking unit system accepts to compare the control of potential circuit.Change
Yan Zhi, the DC voltage of detecting electric capacity tripping device output, when keeping monitoring voltage value (square 74), it is maintained for being jumped by electric capacity
Off loading puts output unidirectional current (square 76).But when less than comparing the nominal DC output voltage values (square that potential circuit is set up
74), when being such as less than direct current (DC) 80 volts, then DC source assist control interlocking unit is started, to perform to select auxiliary
DC power source unit 41 exports (square 75).
Automatically Auto-Sensing is contacted by monitoring switching circuit assembly main power control interlocking unit, power supply assist control are mutual
Lock unit and three unit of auxiliary direct current source unit, if less than comparing the nominal DC output voltage values that potential circuit is set up,
And when all normally cannot export DC source, by the external AC power supply (square 77) of supply electric capacity tripping device, directly
Output AC electricity causes external load (square 78).
The circuit diagram of Fig. 4 shows, when alternating current enters whether detecting PT secondary side power supply the most at any time has electricity.If not yet
When having power supply, ac power input end 50 is had to enter into electric capacity tripping device internal control circuit assembly 20 via contact immediately,
And export to DC output end 22.When the magnitude of voltage of DC output end 22 is less than running voltage, and PT secondary side does not has
When having input power, then inputted via conducting 2a contact to DC output end 22 by DC power supply terminal 41.Again as PT bis-times
Side power supply and other power supply all do not have an input current, and the output of DC output end 22 less than running voltage time, then can be by
Ac power input end 50, is external to the working power of chopper and relaying.
Being different from the global formation mode of Fig. 1, this utility model electric capacity tripping device is detachable as shown in Figure 2,
It has two advantages, and first, in electric capacity tripping device installs the dish being positioned over distribution board originally, electric capacity escape can be filled in the future
Still card can be positioned over again, without changing all distributions after putting dismounting.Secondly, all of alternating current power supply and DC current
The most all there is an input, and can separately add to give and clearly indicate, so the problem that distribution mistake will not occur and burn circuit.
The electric capacity tripping device that this utility model provides, has the various advantage automatically controlling power supply as above-mentioned, and provides
Detachable device.Device provided by the utility model, has the input of alternating current power supply and DC source, and can automatically cut
Change selected suitable power supply, overcome some unexpected and in maintenance difficulty completely, promote power quality, make stablizing of high-tension distribution panel
The advantage that property more obtains guarantee.
Embodiment described above is only the preferred embodiment lifted by absolutely proving this utility model, this utility model
Protection domain be not limited to this.The equivalent that those skilled in the art are made on the basis of this utility model substitutes or becomes
Change, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (9)
1. the electric capacity tripping device of an automatic conversioning power, it is characterised in that including:
One body；
One electric capacity tripping device is located at this body, is provided with a control circuit assembly, compares with one electric inside this electric capacity tripping device
Volt circuit；This control circuit assembly has an alternating current input terminal and a unidirectional current lead-out terminal, and this control circuit assembly has
One full wave rectifying unit and an isolating transformer；With
One automatically monitoring switching circuit composition comprising:
One provide working power to the main AC power unit of this alternating current input terminal of this electric capacity tripping device, its have to
Few one first alternating current power supply input block, one second alternating current power supply input block and an outfan；
One auxiliary direct current source unit has outfan, is parallel to this DC output end of described electric capacity tripping device.
2. the electric capacity tripping device of automatic conversioning power as claimed in claim 1, it is characterised in that also include that main power control is mutual
Lock unit, power supply assist control interlocking unit and auxiliary direct current source unit, wherein, main power control interlocking unit, power supply are auxiliary
Control interlocking unit is helped to contact with auxiliary direct current source unit.
3. the electric capacity tripping device of automatic conversioning power as claimed in claim 2, it is characterised in that the interlocking of this main power control is single
Unit is a relaying.
4. the electric capacity tripping device of automatic conversioning power as claimed in claim 2, it is characterised in that this power supply assist control interlocks
Unit is a relaying.
5. the electric capacity tripping device of automatic conversioning power as claimed in claim 1, it is characterised in that this first alternating current power supply inputs
Unit is the secondary side power supply of external main supply main end.
6. the electric capacity tripping device of automatic conversioning power as claimed in claim 1, it is characterised in that this second alternating current power supply inputs
Unit is a UPS.
7. the electric capacity tripping device of automatic conversioning power as claimed in claim 1, it is characterised in that this body has an ammeter type
Panel, this ammeter profile plate has a push button switch and an ammeter, and electrical ties is in this electric capacity tripping device respectively, and this control electricity
Road assembly and this push button switch are to lock.
8. the electric capacity tripping device of automatic conversioning power as claimed in claim 1, it is characterised in that this body is a box-like body.
9. the electric capacity tripping device of automatic conversioning power as claimed in claim 1, it is characterised in that this electric capacity tripping device is can
That disassembles is fixed in distribution board card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620655388.3U CN205811653U (en) | 2016-06-28 | 2016-06-28 | The electric capacity tripping device of automatic conversioning power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620655388.3U CN205811653U (en) | 2016-06-28 | 2016-06-28 | The electric capacity tripping device of automatic conversioning power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205811653U true CN205811653U (en) | 2016-12-14 |
Family
ID=57506050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620655388.3U Expired - Fee Related CN205811653U (en) | 2016-06-28 | 2016-06-28 | The electric capacity tripping device of automatic conversioning power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205811653U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000192A1 (en) * | 2016-06-28 | 2018-01-04 | 陈锡瑜 | Capacitor trip device having automatic power switching and method therefor |
| TWI613874B (en) * | 2017-02-16 | 2018-02-01 | 雄立國際貿易有限公司 | Isolating type capacitors tripping system |
| CN108205107A (en) * | 2016-12-16 | 2018-06-26 | 陈锡瑜 | Make and break contact state examines showing device and method |
| TWI701886B (en) * | 2018-09-06 | 2020-08-11 | 陳錫瑜 | Capacitor trip device supporting dc power supply system |
| CN111969550A (en) * | 2019-05-20 | 2020-11-20 | 陈锡瑜 | Tripping method of high-voltage circuit breaker and loop system equipment thereof |
-
2016
- 2016-06-28 CN CN201620655388.3U patent/CN205811653U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000192A1 (en) * | 2016-06-28 | 2018-01-04 | 陈锡瑜 | Capacitor trip device having automatic power switching and method therefor |
| CN108205107A (en) * | 2016-12-16 | 2018-06-26 | 陈锡瑜 | Make and break contact state examines showing device and method |
| TWI613874B (en) * | 2017-02-16 | 2018-02-01 | 雄立國際貿易有限公司 | Isolating type capacitors tripping system |
| TWI701886B (en) * | 2018-09-06 | 2020-08-11 | 陳錫瑜 | Capacitor trip device supporting dc power supply system |
| CN111969550A (en) * | 2019-05-20 | 2020-11-20 | 陈锡瑜 | Tripping method of high-voltage circuit breaker and loop system equipment thereof |
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| 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 |
Granted publication date: 20161214 Termination date: 20190628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |