CN203896242U - Four-isolation single-phase motor speed regulator - Google Patents
Four-isolation single-phase motor speed regulator Download PDFInfo
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- CN203896242U CN203896242U CN201420294343.9U CN201420294343U CN203896242U CN 203896242 U CN203896242 U CN 203896242U CN 201420294343 U CN201420294343 U CN 201420294343U CN 203896242 U CN203896242 U CN 203896242U
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- 238000002955 isolation Methods 0.000 title claims abstract description 68
- 238000001914 filtration Methods 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 abstract description 22
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract 2
- 230000000087 stabilizing effect Effects 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 101100272718 Arabidopsis thaliana BRG2 gene Proteins 0.000 description 4
- 101100272719 Arabidopsis thaliana BRG3 gene Proteins 0.000 description 4
- 101000702545 Homo sapiens Transcription activator BRG1 Proteins 0.000 description 3
- 102100031027 Transcription activator BRG1 Human genes 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model discloses a four-isolation single-phase motor speed regulator and relates to the motor speed regulator technical field. A power source is connected with an isolation transformer and an SCR power output and protection module respectively; the isolation transformer is connected with a direct current voltage stabilizing filtering module; the direct current voltage stabilizing filtering module is connected with a speed regulation and indication module and an isolation zero-crossing detection module respectively; the speed regulation and indication module and the isolation zero-crossing detection module are respectively connected with an integrated speed regulation module; the integrated speed regulation module, an isolation triggering module and the SCR power output and protection module are connected with one another sequentially; the SCR output power and protection module is connected with an isolation speed measurement feedback module through a motor, a first isolation capacitor and a second isolation capacitor; and the isolation speed measurement feedback module is connected with the integrated speed regulation module. The four-isolation single-phase motor speed regulator of the utility model has the advantages of smaller size, simple installation, improved regulation performance, low failure rate, being safe and reliable, low cost and long service life, and can be widely applied to the industrial control fields such as single-phase alternating current speed regulation.
Description
Technical field
The utility model relates to machine governor technical field, be specifically related to four isolation single-phase motor speed governors.
Background technology
Existing general speed regulator of single-phase motor great majority on the market are all carried out pressure regulation with controllable silicon and are equipped with tachogenerator and carry out speed feedback, in Motor Control loop, seal in bidirectional triode thyristor, thereby control the terminal voltage of silicon controlled angle of flow control motor, in the time that external power supply voltage or the fluctuation of load cause rotating speed variation, with the coaxial tachogenerator output signal connecting of motor by integrator and the comparison of rotational speed setup signal, its error is amplified rear and zero cross fired signal, automatically adjust through driving phase shift trigger to realize voltage, regulate the speed of setting with potentiometer, but this control method is owing to lacking isolation and jamming countermeasure, be subject to motor electric leakage at power supply-control-speed governing-zero passage detection-velocity feedback loop joint, power supply common mode/differential mode is disturbed, power surge, the impact of controllable silicon transient peak causes out of control, reduce precision, so that fault is damaged faults such as reducing the life-span, design a kind of four isolation single-phase motor speed governors based on this and still have very much market application foreground.
Summary of the invention
For the deficiency existing in prior art, the utility model object is to be to provide a kind of four isolation single-phase motor speed governors, without the tachogenerator feedback that tests the speed, volume is less, reduces costs and simplifies installation, has improved the performance of control of speed regulator, reduce failure rate, safe and reliable, long service life, can be widely used in the industrial control fields such as single phase alternating current (A.C.) speed governing.
To achieve these goals, the utility model is to realize by the following technical solutions: four isolation single-phase motor speed governors, comprise power supply, isolating transformer, DC voltage-stabilizing filtration module, speed governing and indicating module, isolation zero passage detection module, integrated speed adjusting module, isolation trigger module, SCR power stage and protection module and the isolation feedback module that tests the speed, power supply connects respectively isolating transformer, SCR power stage and protection module, isolating transformer connects DC voltage-stabilizing filtration module, DC voltage-stabilizing filtration module connects respectively speed governing and indicating module, isolation zero passage detection module, speed governing and indicating module, isolation zero passage detection module all connects integrated speed adjusting module, integrated speed adjusting module, isolation trigger module, SCR power stage and protection module are connected successively, SCR power stage and protection module pass through motor, the first isolation capacitance, the second isolation capacitance and the isolation feedback module that tests the speed is connected, isolate the feedback module that tests the speed and connect integrated speed adjusting module.
As preferably; described speed governing and indicating module are made up of the first adjustable resistance-tri-adjustable resistances, seven resistance-, 11 resistance, the first light-emitting diode and the second light-emitting diode; isolation test the speed feedback module by the 3rd bridge pile, the 4th resistance and the 7th electric capacity forms, SCR power stage and protection module mainly by one-way SCR, the second bridge pile, the 8th electric capacity forms.
As preferably, described power supply connects the former limit of isolating transformer, and the former limit of isolating transformer also connects the first electric capacity, and the secondary of isolating transformer connects 1 pin of the first bridge heap, 3 pin, 2 pin of the first bridge heap, 4 pin connect respectively 2 pin of DC voltage-stabilizing filtration module, 1 pin, between 1 pin and 4 pin of DC voltage-stabilizing filtration module, between 1 pin and 3 pin, be connected to respectively the 4th electric capacity, the 5th electric capacity, 3 pin of DC voltage-stabilizing filtration module connect 1 pin of switch, and 2 pin of switch connect respectively the series circuit of the 7th resistance and the 9th electric capacity, the series circuit of the 8th resistance and the first light-emitting diode is to 1 pin of DC voltage-stabilizing filtration module, the 9th electric capacity two ends are also connected to the first adjustable resistance and the series circuit of the 3rd adjustable resistance, 3 pin of switch connect the series circuit of the 9th resistance and the second light-emitting diode to 1 pin of DC voltage-stabilizing filtration module, and the positive pole of the 9th electric capacity connects the second adjustable resistance, the 11 resistance is to 6 pin of integrated speed adjusting module, 6 pin of integrated speed adjusting module, 3 pin connect respectively 1 pin of DC voltage-stabilizing filtration module, 3 pin, 2 pin of integrated speed adjusting module, 4 pin connect respectively the tenth resistance, the 5th resistance to the second adjustable resistance, 2 pin of DC voltage-stabilizing filtration module, 1 pin of integrated speed adjusting module connects respectively the 4th resistance, 2 pin of the 7th electric capacity to the three bridge heaps, 4 pin, 6 pin of integrated speed adjusting module, 2 pin of bidirectional thyristor all connect 4 pin of the 3rd bridge heap, 5 pin of integrated speed adjusting module connect 1 pin of the 6th resistance to bidirectional thyristor, 3 pin orders of bidirectional thyristor are to the silicon controlled control utmost point, 4 pin of bidirectional thyristor connect the anode of the first resistance to one-way SCR, between the negative electrode of one-way SCR and the control utmost point, be connected to the series circuit of inductance and the 3rd resistance, the 3rd resistance two ends also connect the 3rd electric capacity, the anode of one-way SCR, node between inductance and the 3rd resistance connects respectively 2 pin of the second bridge heap, 4 pin, between 1 pin and 3 pin of the second bridge heap, between 2 pin and 4 pin, be connected to respectively the series circuit of the second resistance and the second electric capacity, the 6th electric capacity, motor connects power supply, and motor two ends are connected to the 8th electric capacity, and the another two ends of motor connect respectively the first isolation capacitance, 1 pin of the second isolation capacitance to the three bridge heaps, 3 pin.
As preferably, described motor adopts the monophase machine that power is 200W.
As preferably, described integrated speed adjusting module adopts the integrated speed adjusting module of CSMK13.
The beneficial effects of the utility model: volume is less, install simply, have improved the performance of control of speed regulator, failure rate is low, and safe and reliable, cost is low, and long service life can be widely used in the industrial control fields such as single phase alternating current (A.C.) speed governing.
Brief description of the drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is circuit diagram of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
With reference to Fig. 1-2, this embodiment is by the following technical solutions: four isolation single-phase motor speed governors, comprise power supply A, isolating transformer TN, DC voltage-stabilizing filtration module B, speed governing and indicating module C, isolation zero passage detection module D, integrated speed adjusting module E, isolation trigger module F, SCR power stage and protection module G and the isolation feedback module H that tests the speed, power supply A meets respectively isolating transformer TN, SCR power stage and protection module G, isolating transformer TN meets DC voltage-stabilizing filtration module B, DC voltage-stabilizing filtration module B meets respectively speed governing and indicating module C, isolation zero passage detection module D, speed governing and indicating module C, isolation zero passage detection module D all meets integrated speed adjusting module E, integrated speed adjusting module E, isolation trigger module F, SCR power stage and protection module G are connected successively, SCR power stage and protection module G pass through motor M, the first isolation capacitance CS1, the second isolation capacitance CS2 and the isolation feedback module H that tests the speed is connected, isolate the feedback module H that tests the speed and meet integrated speed adjusting module E, described speed governing and indicating module C are made up of the first adjustable resistance VR1-the 3rd adjustable resistance VR3, the 7th resistance R 7-the 11 resistance R 11, the first LED-G and the second LED-R, isolate the feedback module H that tests the speed and be made up of the 3rd bridge heap BRG3, the 4th resistance R 4 and the 7th capacitor C 7, SCR power stage and protection module G are mainly made up of unidirectional controllable silicon S CR, the second bridge heap BRG2, the 8th capacitor C 8.
It should be noted that, described power supply A connects the former limit of isolating transformer TN, the former limit of isolating transformer TN also connects the first capacitor C 1, the secondary of isolating transformer TN connects 1 pin of the first bridge heap BRG1, 3 pin, 2 pin of the first bridge heap BRG1, 4 pin connect respectively 2 pin of DC voltage-stabilizing filtration module B, 1 pin, between 1 pin and 4 pin of DC voltage-stabilizing filtration module B, between 1 pin and 3 pin, be connected to respectively the 4th capacitor C 4, the 5th capacitor C 5, 3 pin of DC voltage-stabilizing filtration module B connect 1 pin of switch SW, 2 pin of switch SW connect respectively the series circuit of the 7th resistance R 7 and the 9th capacitor C 9, the series circuit of the 8th resistance R 8 and the first LED-G is to 1 pin of DC voltage-stabilizing filtration module B, the 9th capacitor C 9 two ends are also connected to the series circuit of the first adjustable resistance VR1 and the 3rd adjustable resistance VR3, 3 pin of switch SW connect the series circuit of the 9th resistance R 9 and the second LED-R to 1 pin of DC voltage-stabilizing filtration module B, the positive pole of the 9th capacitor C 9 meets the second adjustable resistance VR2, 6 pin of the 11 resistance R 11 to integrated speed adjusting module E, 6 pin of integrated speed adjusting module E, 3 pin connect respectively 1 pin of DC voltage-stabilizing filtration module B, 3 pin, 2 pin of integrated speed adjusting module E, 4 pin connect respectively the tenth resistance R 10, the 5th resistance R 5 to second adjustable resistance VR2, 2 pin of DC voltage-stabilizing filtration module B, 1 pin of integrated speed adjusting module E connects respectively the 4th resistance R 4, the 7th capacitor C 7 is to 2 pin of the 3rd bridge heap BRG3, 4 pin, 6 pin of integrated speed adjusting module E, 2 pin of bidirectional thyristor TRIAC all connect 4 pin of the 3rd bridge heap BRG3, 5 pin of integrated speed adjusting module E connect 1 pin of the 6th resistance R 6 to bidirectional thyristor TRIAC, the 3 pin orders of bidirectional thyristor TRIAC are to the control utmost point of controllable silicon SCR, 4 pin of bidirectional thyristor TRIAC connect the anode of the first resistance R 1 to unidirectional controllable silicon S CR, between the negative electrode of unidirectional controllable silicon S CR and the control utmost point, be connected to the series circuit of inductance L and the 3rd resistance R 3, the 3rd resistance R 3 two ends also connect the 3rd capacitor C 3, the anode of unidirectional controllable silicon S CR, node between inductance L and the 3rd resistance R 3 connects respectively 2 pin of the second bridge heap BRG2, 4 pin, between 1 pin and 3 pin of the second bridge heap BRG2, between 2 pin and 4 pin, be connected to respectively the series circuit of the second resistance R 2 and the second capacitor C 2, the 6th capacitor C 6, motor M meets power supply A, motor M two ends are connected to the 8th capacitor C 8, the another two ends of motor M meet respectively the first isolation capacitance CS1, 1 pin of the second isolation capacitance CS2 to the three bridge heap BRG3, 3 pin.
It should be noted that described motor M adopts the monophase machine that power is 200W, integrated speed adjusting module E adopts the integrated speed adjusting module of CSMK13, has improved performance of control and has dwindled again volume, is convenient to debugging, reduces costs.
This embodiment 160-250V single phase poaer supply enters power supply A, and power supply A enters isolating transformer TN after the first capacitor C 1 filtering differential mode interference, after isolating transformer TN transformation, exports 12V alternating current, through the first bridge heap BRG1 rectification, the 4th capacitor C 4, after the 5th capacitor C 5 filtering, provide stable voltage, isolation electric current of voltage regulation through zero cross signal detect after meet integrated speed adjusting module E, speed governing and indicating module C provide and control signal to integrated control module E, by velocity coils through isolating the first isolation capacitance CS1, the second isolation capacitance CS2(is in case motor electric leakage) the isolation feedback module H signal that tests the speed also input integrated control module E simultaneously, integrated control module E combines self-isolation zero passage detection module D, speed governing and indicating module C, the signal of isolating the feedback module H that tests the speed sends control signal after isolation trigger module F, by the unidirectional controllable silicon S CR in SCR power stage and protection module G, the second bridge heap BRG2, the 8th capacitor C 8 power stages such as structure such as grade are to motor M, by inductance L, the 6th capacitor C 6, the second capacitor C 2, the 3rd capacitor C 3, the second resistance R 2, the 3rd resistance R 3 forms silicon controlled rectifier protecting and the spike of protection surge absorbs protection, has effectively improved reliability.
This embodiment is for the important fault of finding in the weak link of general individual event machine governor and maintenance, (electric current of voltage regulation is to alternating current transformer isolation to have adopted four isolation control techniques, the feedback loop high-voltage capacitance that tests the speed is isolated, trigger loop light-coupled isolation, zero passage detection signal and isolated from power), the new technology of velocity coils feedback closed loop and the integrated speed adjusting module of application CSMK13, test the speed feedback without tachogenerator, can reduce costs and can simplify installation, only just can reach with loading onto magnet and velocity coils after monophase machine the feedback that tests the speed, only need mA level electric current to be enough to form speed closed loop.
This embodiment can be widely used in the industrial control fields such as single phase alternating current (A.C.) speed governing, and volume is little, and cost is low, installs simply, has not only improved the performance of control of speed regulator but also reduced failure rate, safe and reliable, long service life.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. four isolation single-phase motor speed governors, is characterized in that, comprise power supply (A), isolating transformer (TN), DC voltage-stabilizing filtration module (B), speed governing and indicating module (C), isolation zero passage detection module (D), integrated speed adjusting module (E), isolation trigger module (F), SCR power stage and protection module (G) and the isolation feedback module (H) that tests the speed, power supply (A) connects respectively isolating transformer (TN), SCR power stage and protection module (G), isolating transformer (TN) connects DC voltage-stabilizing filtration module (B), and DC voltage-stabilizing filtration module (B) connects respectively speed governing and indicating module (C), isolation zero passage detection module (D), speed governing and indicating module (C), isolation zero passage detection module (D) all connects integrated speed adjusting module (E), integrated speed adjusting module (E), isolation trigger module (F), SCR power stage and protection module (G) are connected successively, and SCR power stage and protection module (G) are by motor (M), the first isolation capacitance (CS1), the second isolation capacitance (CS2) and the isolation feedback module (H) that tests the speed is connected, and the isolation feedback module (H) that tests the speed connects integrated speed adjusting module (E).
2. four isolation single-phase motor speed governors according to claim 1, it is characterized in that, described speed governing and indicating module (C) are by the first adjustable resistance (VR1)-the 3rd adjustable resistance (VR3), the 7th resistance (R7)-the 11 resistance (R11), the first light-emitting diode (LED-G) and the second light-emitting diode (LED-R) composition, isolate the feedback module (H) that tests the speed and pile (BRG3) by the 3rd bridge, the 4th resistance (R4) and the 7th electric capacity (C7) composition, SCR power stage and protection module (G) are mainly by one-way SCR (SCR), the second bridge heap (BRG2), the 8th electric capacity (C8) composition.
3. four isolation single-phase motor speed governors according to claim 1, it is characterized in that, described power supply (A) connects the former limit of isolating transformer (TN), the former limit of isolating transformer (TN) also connects the first electric capacity (C1), the secondary of isolating transformer (TN) connects 1 pin of the first bridge heap (BRG1), 3 pin, 2 pin of the first bridge heap (BRG1), 4 pin connect respectively 2 pin of DC voltage-stabilizing filtration module (B), 1 pin, between 1 pin and 4 pin of DC voltage-stabilizing filtration module (B), between 1 pin and 3 pin, be connected to respectively the 4th electric capacity (C4), the 5th electric capacity (C5), 3 pin of DC voltage-stabilizing filtration module (B) connect 1 pin of switch (SW), 2 pin of switch (SW) connect respectively the series circuit of the 7th resistance (R7) and the 9th electric capacity (C9), the series circuit of the 8th resistance (R8) and the first light-emitting diode (LED-G) is to 1 pin of DC voltage-stabilizing filtration module (B), the 9th electric capacity (C9) two ends are also connected to the first adjustable resistance (VR1) and the series circuit of the 3rd adjustable resistance (VR3), 3 pin of switch (SW) connect the series circuit of the 9th resistance (R9) and the second light-emitting diode (LED-R) to 1 pin of DC voltage-stabilizing filtration module (B), the positive pole of the 9th electric capacity (C9) connects the second adjustable resistance (VR2), the 11 resistance (R11) is to 6 pin of integrated speed adjusting module (E), 6 pin of integrated speed adjusting module (E), 3 pin connect respectively 1 pin of DC voltage-stabilizing filtration module (B), 3 pin, 2 pin of integrated speed adjusting module (E), 4 pin connect respectively the tenth resistance (R10), the 5th resistance (R5) is to the second adjustable resistance (VR2), 2 pin of DC voltage-stabilizing filtration module (B), 1 pin of integrated speed adjusting module (E) connects respectively the 4th resistance (R4), the 7th electric capacity (C7) is piled 2 pin of (BRG3) to the 3rd bridge, 4 pin, 6 pin of integrated speed adjusting module (E), 2 pin of bidirectional thyristor (TRIAC) all connect 4 pin of the 3rd bridge heap (BRG3), 5 pin of integrated speed adjusting module (E) connect 1 pin of the 6th resistance (R6) to bidirectional thyristor (TRIAC), 3 pin of bidirectional thyristor (TRIAC) connect the control utmost point of one-way SCR (SCR), 4 pin of bidirectional thyristor (TRIAC) connect the anode of the first resistance (R1) to one-way SCR (SCR), between the negative electrode of one-way SCR (SCR) and the control utmost point, be connected to the series circuit of inductance (L) and the 3rd resistance (R3), the 3rd resistance (R3) two ends also connect the 3rd electric capacity (C3), the anode of one-way SCR (SCR), node between inductance (L) and the 3rd resistance (R3) connects respectively 2 pin of the second bridge heap (BRG2), 4 pin, between 1 pin and 3 pin of the second bridge heap (BRG2), between 2 pin and 4 pin, be connected to respectively the series circuit of the second resistance (R2) and the second electric capacity (C2), the 6th electric capacity (C6), motor (M) connects power supply (A), motor (M) two ends are connected to the 8th electric capacity (C8), the another two ends of motor (M) connect respectively the first isolation capacitance (CS1), the second isolation capacitance (CS2) is piled 1 pin of (BRG3) to the 3rd bridge, 3 pin.
4. four isolation single-phase motor speed governors according to claim 1, is characterized in that, described motor (M) adopts the monophase machine that power is 200W.
5. four isolation single-phase motor speed governors according to claim 1, is characterized in that, described integrated speed adjusting module (E) adopts the integrated speed adjusting module of CSMK13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294343.9U CN203896242U (en) | 2014-06-05 | 2014-06-05 | Four-isolation single-phase motor speed regulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294343.9U CN203896242U (en) | 2014-06-05 | 2014-06-05 | Four-isolation single-phase motor speed regulator |
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| Publication Number | Publication Date |
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| CN203896242U true CN203896242U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420294343.9U Expired - Lifetime CN203896242U (en) | 2014-06-05 | 2014-06-05 | Four-isolation single-phase motor speed regulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009698A (en) * | 2014-06-05 | 2014-08-27 | 上海托菲机电科技有限公司 | Four-isolation single-phase motor speed regulator |
-
2014
- 2014-06-05 CN CN201420294343.9U patent/CN203896242U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009698A (en) * | 2014-06-05 | 2014-08-27 | 上海托菲机电科技有限公司 | Four-isolation single-phase motor speed regulator |
| CN104009698B (en) * | 2014-06-05 | 2017-10-10 | 上海托菲机电科技有限公司 | Four isolation single-phase motor speed governors |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 13603, 2072 Songjin Road, Zhangyan Town, Jinshan District, Shanghai Patentee after: Tofe sensing technology (Shanghai) Co.,Ltd. Address before: Jinshan District Zhangyan town 201514 Shanghai City Matsugane Road No. 2072 room 13603 Patentee before: SHANGHAI TOFI ELECTRICAL TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |
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| CX01 | Expiry of patent term |