CN206960993U - The contactless alternating current steady voltage plug bypassed indirectly - Google Patents
The contactless alternating current steady voltage plug bypassed indirectly Download PDFInfo
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- CN206960993U CN206960993U CN201720822039.0U CN201720822039U CN206960993U CN 206960993 U CN206960993 U CN 206960993U CN 201720822039 U CN201720822039 U CN 201720822039U CN 206960993 U CN206960993 U CN 206960993U
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- transformer
- voltage
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- unit
- compensator transformer
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Abstract
The contactless alternating current steady voltage plug bypassed indirectly, including auto-transformer（1）, compensator transformer（2）, switch element（3）, by-pass unit（4）, Detection ＆ Controling unit（5）.Auto-transformer（1）Several taps are provided with, are easy to switch element（3）Select different voltage；Compensator transformer（2）The windings in series of secondary is in the input and output major loop of alternating current steady voltage plug；Switch element（3）It is one group of noncontacting switch, auto-transformer is connected in selection in combination（1）Tap, be connected to compensator transformer（2）Primary side；By-pass unit（4）Bypass and export for indirect control voltage stabilizing；Detection ＆ Controling unit（5）For detecting compensator transformer（2）Voltage and current signal, and give switch element（3）And by-pass unit（4）Output control signal.Indirect bypass technology is advantageous to according to the characteristics of contactless point compensating voltage-stablizer, be realized the bypass operation of high current with less component.
Description
Technical field
A kind of alternating current steady voltage plug is the utility model is related to, particularly a kind of contactless AC voltage-stabilizing electricity bypassed indirectly
Source, belong to alternating current steady voltage plug technical field.
Background technology
The alternating current steady voltage plug used at present mainly has parameter voltage stabilizator, mechanical conditioning type voltage-stablizer, contactless point compensating
Voltage-stablizer.
The general principle of parameter voltage stabilizator voltage stabilizing is LC series resonances, and the magnetic saturation type voltage-stablizer that early stage occurs just belongs to
This is a kind of.Its advantages of is simple in construction, and without numerous components, reliability is at a relatively high, and voltage stabilized range is comparatively wide, it is anti-interference and
Anti-overload ability is strong.Shortcoming be efficiency is low, source power factor is low, wave distortion is big, noise is big, temperature rise, heaviness and cost
It is high.
Mechanical conditioning type voltage-stablizer has carbon brush type and shunt field.Carbon brush type voltage-stablizer is to drive carbon brush with servomotor
Moved on the winding sliding surface of auto-transformer, change ratios of the output voltage Uo to input voltage Ui, to realize output electricity
The adjustment of pressure and stably, its feature is simple in construction, and output waveform distortion is small, but because carbon brush working life is short, slides and connects
Point is also easy to produce electric spark, causes electromagnetic interference, causes carbon brush damage so that burning and failing, and it is slow to regulate the speed.Magnetic shunt path
Formula voltage-stablizer is to drive elements of magnetic material to slide or rotate by servo control mechanism, and adjustment magnetic shunt path, which reaches, changes voltage, it
Some shortcomings of carbon brush type are overcome, but equally exist the shortcomings that response speed is slow, it is impossible to adapts to many loads and power supply is wanted
Ask.
Contactless point compensating voltage-stablizer is the voltage-stablizer of newer type, has concentrated Transformer Winding combination, noncontacting switch etc.
Advanced AC voltage-stabilizing technology is integrated, and noncontacting switch is operated in whole wave conducting state, no additional harmonic distortion, has effect
Rate is high, regulation is fast, without mechanical moving element, reliability is high, service life is long, applied widely the features such as.But if control
The key technology of gear switch does not reach a standard, then is easy for damaging noncontacting switch, or during other element failures, just needs
Voltage-stablizer is switched to bypass condition, not interrupted with the power supply of proof load.Conventional bypass mode is by the input of power supply
Voltage is directly connected to the output of voltage-stablizer, but the electric current bypassed can be bigger, and the volume shared by related component also compares
Greatly.
The content of the invention
The purpose of this utility model is to provide a kind of contactless alternating current steady voltage plug bypassed indirectly, gives full play to contactless
The characteristics of compensated voltage regulator, the bypass operation of high current is realized with less component.
What the utility model was realized in：The contactless alternating current steady voltage plug bypassed indirectly, including：Auto-transformer 1,
Compensator transformer 2, switch element 3, by-pass unit 4, Detection ＆ Controling unit 5；Wherein：
Auto-transformer 1：It is provided with several taps（Terminal）, it is easy to switch element 3 to select different voltage, with switch
Unit 3 and compensator transformer 2 form electrical connection；
Compensator transformer 2：The windings in series of transformer secondary is mended in the input and output major loop of alternating current steady voltage plug
The variable range thus unit decision of voltage is repaid, forms with switch element 3, by-pass unit 4, Detection ＆ Controling unit 5 and electrically connects
Connect；
Switch element 3：One group of noncontacting switch, in combination selection are connected the tap of auto-transformer 1, are connected to
The primary side of compensator transformer 2, form and be electrically connected with auto-transformer 1, compensator transformer 2, Detection ＆ Controling unit 5；
By-pass unit 4：Bypass and export for indirect control voltage stabilizing, formed with compensator transformer 2, Detection ＆ Controling unit 5
Electrical connection；
Detection ＆ Controling unit 5：For detecting the voltage and current signal of compensator transformer 2, and to switch element 3 and bypass
The output control signal of unit 4, form and be electrically connected with compensator transformer 2, switch element 3, by-pass unit 4.
The advantages of the utility model and effect：
1st, concentrated the advanced AC voltage-stabilizing technology such as auto-transformer winding combination, noncontacting switch to be integrated, had
Efficiency high, regulation be fast, without mechanical moving element, reliability is high, service life is long, applied widely the features such as.
2nd, auto-transformer winding is selected in combination, and more voltage-regulation is realized with a small amount of self coupling number of windings
Gear, it is thus possible to make full use of voltage-stablizer resource, the precision of voltage regulation is of a relatively high.
3rd, indirect bypass technology is advantageous to according to the characteristics of contactless point compensating voltage-stablizer, is realized with less component big
The bypass operation of electric current.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is circuit block diagram of the present utility model.
Fig. 2 is the circuit theory schematic diagram of embodiment major loop.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is described in further detail, and the specific embodiments described herein are merely illustrative of the present invention, is not used to limit
The fixed present invention.
Fig. 1 is refer to, the contactless alternating current steady voltage plug bypassed indirectly, including：Auto-transformer 1, compensator transformer 2,
Switch element 3, by-pass unit 4, Detection ＆ Controling unit 5.Wherein：Auto-transformer 1 is provided with several taps（Terminal）, just
Different voltage is selected in switch element 3, forms and is electrically connected with switch element 3 and compensator transformer 2；Compensator transformer 2
The windings in series of transformer secondary is in the input and output major loop of alternating current steady voltage plug, and the variable range of offset voltage is thus
Unit determines, forms and is electrically connected with switch element 3, by-pass unit 4, Detection ＆ Controling unit 5；Switch element 3 be one group without
Contact switch, in combination selection connect the tap of auto-transformer 1, the primary side of compensator transformer 2 are connected to, with self coupling
Transformer 1, compensator transformer 2, Detection ＆ Controling unit 5 form electrical connection；By-pass unit 4 bypasses for indirect control voltage stabilizing
Output, form and be electrically connected with compensator transformer 2, Detection ＆ Controling unit 5；Detection ＆ Controling unit 5 is used to detect compensation change
The voltage and current signal of depressor 2, and switch element 3 and the output control signal of by-pass unit 4 are given, it is single with compensator transformer 2, switch
Member 3, by-pass unit 4 form electrical connection.
Please referring further to Fig. 2, auto-transformer T1 has W1~W5, and totally 5 windings in series form, and are drawn with 6 terminals,
Winding W1, the W5 on both sides leading-out terminal are respectively through fastp-acting fuse F1, F2, F7, F8 and bidirectional thyristor S1, S2, S7, S8 phase
Even, bidirectional thyristor S1, S2, S7, S8 other end link together, and form the common port A of the 1st group of bidirectional thyristor；It is middle
Three windings W2, W3, W4 leading-out terminal are connected through fastp-acting fuse F3~F6 with bidirectional thyristor S3~S6 respectively, two-way crystalline substance
Brake tube S3~S6 the other end links together, and forms the common port B of the 2nd group of bidirectional thyristor；A, B both ends are connected to compensation and become
Depressor T2 primary side（Input）；Compensator transformer T2 secondary is connected in the input and output major loop of voltage-stabilized power supply.
Switch element 3 is made up of bidirectional thyristor S1~S8 and fastp-acting fuse F1~F8 of series connection with it, by connection
Relation is divided into 2 groups, and the 1st group has annexation with A points, and the 2nd group has annexation with B points.
By-pass unit 4 is made up of auxiliary reclay KA1 and A.C. contactor KM1, and KA1 coil is examined and control unit
5 controls, KA1 normally opened contact are connected with KM1 coils, are connected to the output end of voltage-stabilized power supply, KM1 normally-closed contact is connected in
Compensator transformer T2 primary side.The unit is used for the bypass of power supply, because the compensator transformer T2 primary side number of turn is more than pair
The side number of turn, therefore primary current is less than the electric current of secondary.
Detection ＆ Controling unit 5 is used for the voltage and current signal for detecting compensator transformer 2, and output A, B, G1~G8
Control signal.During voltage-stabilized power supply normal work, 2 in A, B, G1~G8 signals control bidirectional thyristor S1~S8 of output are led
It is logical, auxiliary reclay KA1 actions, A.C. contactor KM1 actions, it is connected to the normally-closed contact disconnection of compensator transformer T2 primary sides；
During voltage-stabilized power supply bypass, G1~G8 signals control bidirectional thyristor S1~S8 of output is all off, auxiliary reclay KA1
Release, A.C. contactor KM1 releases, the normally-closed contact for being connected to compensator transformer T2 primary sides close.
Claims (3)
1. the contactless alternating current steady voltage plug bypassed indirectly, it is characterised in that including：Auto-transformer（1）, compensator transformer
（2）, switch element（3）, by-pass unit（4）, Detection ＆ Controling unit（5）；Wherein：
Auto-transformer（1）：Several taps are provided with, are easy to switch element（3）Different voltage is selected, with switch element
（3）And compensator transformer（2）Form electrical connection；
Compensator transformer（2）：The windings in series of transformer secondary is in the input and output major loop of alternating current steady voltage plug, compensation
Thus unit determines the variable range of voltage, with switch element（3）, by-pass unit（4）, Detection ＆ Controling unit（5）Form electricity
Gas connects；
Switch element（3）：Auto-transformer is connected in one group of noncontacting switch, in combination selection（1）Tap, be connected to
Compensator transformer（2）Primary side, with auto-transformer（1）, compensator transformer（2）, Detection ＆ Controling unit（5）Composition electrically connects
Connect；
By-pass unit（4）：Bypass and export for indirect control voltage stabilizing, with compensator transformer（2）, Detection ＆ Controling unit（5）Structure
Into electrical connection；
Detection ＆ Controling unit（5）：For detecting compensator transformer（2）Voltage and current signal, and give switch element（3）And side
Road unit（4）Output control signal, with compensator transformer（2）, switch element（3）, by-pass unit（4）Form electrical connection.
2. the contactless alternating current steady voltage plug according to claim 1 bypassed indirectly, it is characterised in that auto-transformer T1
Having W1~W5, totally 5 windings in series form, and are drawn with 6 terminals, winding W1, the W5 on both sides leading-out terminal are respectively through fast fast thawing
Disconnected device F1, F2, F7, F8 are connected with bidirectional thyristor S1, S2, S7, S8, bidirectional thyristor S1, S2, S7, S8 other end connection
Together, the common port A of the 1st group of bidirectional thyristor is formed；Centre three windings W2, W3, W4 leading-out terminal are respectively through quick
Fuse F3~F6 is connected with bidirectional thyristor S3~S6, and the bidirectional thyristor S3~S6 other end links together, and forms the 2nd
The common port B of group bidirectional thyristor；A, B both ends are connected to compensator transformer T2 primary side；Compensator transformer T2 secondary series connection
In the input and output major loop of voltage-stabilized power supply.
3. the contactless alternating current steady voltage plug according to claim 1 bypassed indirectly, it is characterised in that by-pass unit（4）
It is made up of auxiliary reclay KA1 and A.C. contactor KM1, KA1 coil is examined and control unit（5）Control, KA1's is normally opened
Contact is connected with KM1 coils, is connected to the output end of voltage-stabilized power supply, and KM1 normally-closed contact is connected in compensator transformer T2's
Primary side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822039.0U CN206960993U (en) | 2017-07-09 | 2017-07-09 | The contactless alternating current steady voltage plug bypassed indirectly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822039.0U CN206960993U (en) | 2017-07-09 | 2017-07-09 | The contactless alternating current steady voltage plug bypassed indirectly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206960993U true CN206960993U (en) | 2018-02-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720822039.0U Expired - Fee Related CN206960993U (en) | 2017-07-09 | 2017-07-09 | The contactless alternating current steady voltage plug bypassed indirectly |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164860A (en) * | 2018-11-15 | 2019-01-08 | 湖南工业大学 | Railway signal AC power source stable-pressure device |
| CN109254607A (en) * | 2018-11-15 | 2019-01-22 | 湖南工业大学 | AC stabilizer |
| CN114637357A (en) * | 2022-02-28 | 2022-06-17 | 漳州科华电气技术有限公司 | Fault detection method, controller, bypass voltage stabilizing circuit and storage medium |
-
2017
- 2017-07-09 CN CN201720822039.0U patent/CN206960993U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164860A (en) * | 2018-11-15 | 2019-01-08 | 湖南工业大学 | Railway signal AC power source stable-pressure device |
| CN109254607A (en) * | 2018-11-15 | 2019-01-22 | 湖南工业大学 | AC stabilizer |
| CN114637357A (en) * | 2022-02-28 | 2022-06-17 | 漳州科华电气技术有限公司 | Fault detection method, controller, bypass voltage stabilizing circuit and storage medium |
| CN114637357B (en) * | 2022-02-28 | 2023-12-29 | 漳州科华电气技术有限公司 | Fault detection method, controller, bypass voltage stabilizing circuit and storage medium |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20180202 Termination date: 20180709 |