CN104536499B - A kind of voltage stabilizer without electric arc pressure regulation and control method thereof - Google Patents
A kind of voltage stabilizer without electric arc pressure regulation and control method thereof Download PDFInfo
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- CN104536499B CN104536499B CN201410748065.4A CN201410748065A CN104536499B CN 104536499 B CN104536499 B CN 104536499B CN 201410748065 A CN201410748065 A CN 201410748065A CN 104536499 B CN104536499 B CN 104536499B
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- 239000003381 stabilizer Substances 0.000 title claims abstract description 89
- 238000010891 electric arc Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 77
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 69
- 239000010703 silicon Substances 0.000 claims abstract description 69
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000004378 air conditioning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Abstract
The invention discloses a kind of voltage stabilizer without electric arc pressure regulation, comprising: a processor of single chip computer; One voltage detection module; One Drazin inverse relay group; One Voltage regulating relay modular converter, this module comprises civil power controllable silicon that the output signal by processor of single chip computer drives, exports controllable silicon and switching relay; One power module; One transformer, the input termination civil power of this transformer, output terminal is as voltage stabilizer fire wire output end.Product of the present invention is by carrying out realization improvement to original switching transformer mode, utilize controllable silicon characteristic in conjunction with relay, exported by transformer to switch between civil power bypass and realize voltage stabilizer function, reduce the generation of even stopping electric arc, not only make voltage stabilizer in power, have remarkable lifting, also greatly extend on relay serviceable life.Complete machine is made to be ensured very well service time.
Description
Technical field
The present invention relates to voltage stabilizer, especially a kind of voltage stabilizer without electric arc pressure regulation and control method thereof.
Background technology
As everyone knows, the voltage that the normal operation needs one of air-conditioning are stable, this voltage is generally 187-250V.Lower than 187V or higher than 250V, compressor meeting stall is to avoid damaging.For the compressor not having stall protection function that some are old, too low or too high voltage can cause compressor damage.
The situation of reality is, low developed area in the world, such as Africa and South Asia, and voltage is often unstable, peak of power consumption period, and voltage is low to moderate 140V, and even 100V, and peak absences is sometimes high to 280V.So, air-conditioning can not run well.
Solution is use voltage stabilizer.Relatively common are two kinds.One is relay-type voltage stabilizer, and another is servo motor formula voltage stabilizer.Because the price comparison of servo motor formula voltage stabilizer is expensive, and need to safeguard, people generally adopt relay-type voltage stabilizer.Relay-type voltage stabilizer is the tap that a kind of adhesive by relay release changes transformer, thus reaches a kind of voltage stabilizer of voltage stabilizing object.If target electric appliance be air-conditioning or other inductive loads time, and the voltage stabilizer of existing employing relay mode cannot normally work, by the switching detecting voltage, electric current realizes between different tap in conjunction with means such as zero crossings.This mode can use one period of long period in the lower-powered situation of use, but relay is mechanical folding after all, under non-complete vacuum state, relay more or less can produce a certain amount of electric arc between opening and closing, and general relay can not ensure absolute vacuum state, in the course of time relay contact surface meeting oxidizing blackening, contact is once oxidizing blackening will be increased by the electric current of relay, and the electric arc of generation will get more and more, and enters a vicious cycle.Finally cause relay switch to bond, thus relay switch was lost efficacy, voltage stabilizer burns out, and even damages target electric appliance.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of voltage stabilizer without electric arc pressure regulation and control method thereof.
The technical solution used in the present invention is:
Without a voltage stabilizer for electric arc pressure regulation, comprising:
One processor of single chip computer, as control treatment core; And to be electrically connected with this processor of single chip computer
One voltage detection module, for detecting the voltage of voltage stabilizer input end and/or output terminal and detected voltage signal being fed back to the voltage sample of processor of single chip computer for processor of single chip computer;
One Drazin inverse relay group, its output signal contact-actuating by processor of single chip computer stirs the output voltage regulating voltage stabilizer, and this Drazin inverse relay group has an input end be connected with voltage stabilizer live wire input end, at least one output terminal of being connected with voltage stabilizer fire wire output end and at least two group relaies between its input end and output terminal;
One Voltage regulating relay modular converter, this module comprises civil power controllable silicon that the output signal by processor of single chip computer drives, exports controllable silicon and switching relay; The described civil power silicon controlled first anode is connected with voltage stabilizer live wire input end, and civil power silicon controlled second anode is connected with the upper stationary contact of switching relay, and civil power silicon controlled controls pole for connecting the output signal end of processor of single chip computer; The described output silicon controlled first anode is connected with voltage stabilizer fire wire output end, export silicon controlled second anode to be connected with the lower stationary contact of switching relay, the output terminal of Drazin inverse relay group respectively, export silicon controlled and control pole for connecting the output signal end of processor of single chip computer; The moving contact of described switching relay is connected with voltage stabilizer fire wire output end;
One power module, its input end is connected with the input end of voltage stabilizer, for providing operating voltage for processor of single chip computer, voltage detection module, Drazin inverse relay group and Voltage regulating relay modular converter;
One transformer, the input termination civil power of this transformer, output terminal is as voltage stabilizer fire wire output end.
Further, it also comprises a current detection module, and for detecting the electric current of voltage stabilizer and detected current signal being fed back to the current sample of processor of single chip computer for processor of single chip computer, this module provides operating voltage by power module.
Wherein, described voltage detection module comprises input voltage detection circuit and output voltage detecting circuit.
Further, it also comprises a reference voltage provides module, and this module is connected with power module and provides stable reference voltage VREF.
Further, it also comprises an output master switch, this output master switch comprises the first relay R L1 and the 3rd triode Q3, the dynamic and static contact of the first relay R L1 is arranged between voltage stabilizer input end and the described civil power silicon controlled first anode, the coil of the first relay R L1 connects the collector of the 3rd triode Q3, the base stage of the 3rd triode Q3 connects the switching signal output terminal of processor of single chip computer, the grounded emitter of the 3rd triode Q3.
Concrete, described Drazin inverse relay group has three group relaies, is respectively the second relay R L2, the 3rd relay R L3 and the 4th relay R L4.
Based on same inventive concept, the present invention also comprises a kind of control method being applied to described voltage stabilizer, setting voltage stabilizer original state is that the moving contact of switching relay is connected with lower stationary contact, voltage stabilizer regulates the output voltage of voltage stabilizer by Drazin inverse relay group, and this control method comprises the following steps:
Whether A, detection voltage exceed setting range, if exceed, enter next step, otherwise return master routine;
B, open output controllable silicon;
The moving contact of C, switching relay is allocated to stationary contact;
D, open civil power controllable silicon, and close and export controllable silicon, the direct civil power of voltage stabilizer exports;
E, according to detect in A data calculate pressure regulation size and Drazin inverse relay group is switched to corresponding transformer export tap;
F, closedown civil power controllable silicon, and open output controllable silicon;
The moving contact of G, switching relay is allocated to lower stationary contact, and voltage stabilizer is regulated the output voltage of voltage stabilizer again by Drazin inverse relay group, return master routine.
Further, detecting voltage in described steps A is relay constrained input voltage.
Further, be combined with current over-zero in described step B, C, D, F, G to detect, to open at zero crossing for it and export controllable silicon or civil power controllable silicon and stir switching relay moving contact, and close at voltage wave peak dot in described step D, F and export controllable silicon or civil power controllable silicon.
Further, need time delay to guarantee that exporting controllable silicon opens, and needs time delay to guarantee that civil power controllable silicon is opened in described step D in described step B and F.
Beneficial effect of the present invention:
Product of the present invention is by carrying out realization improvement to original switching transformer mode, utilize controllable silicon characteristic in conjunction with relay, exported by transformer to switch between civil power bypass and realize voltage stabilizer function, reduce the generation of even stopping electric arc, not only make voltage stabilizer in power, have remarkable lifting, also greatly extend on relay serviceable life.Complete machine is made to be ensured very well service time.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
Fig. 1 is the theory diagram of voltage stabilizer of the present invention;
Fig. 2 is the circuit diagram of processor of single chip computer;
Fig. 3 is the circuit diagram of voltage detection module;
Fig. 4 is the circuit diagram of Drazin inverse relay group;
Fig. 5 is the circuit diagram of Voltage regulating relay modular converter;
Fig. 6 is the circuit diagram of power module;
Fig. 7 is the circuit diagram of current detection module;
Fig. 8 is the circuit diagram that reference voltage provides module;
Fig. 9 is the circuit diagram exporting master switch;
Figure 10 is the circuit diagram of transformer;
Figure 11 is the process flow diagram of voltage stabilizer control method of the present invention.
Embodiment
As shown in Figure 1, be a kind of voltage stabilizer without electric arc pressure regulation of the present invention, comprise:
One processor of single chip computer 10, as Fig. 2, processor of single chip computer 10 is as control treatment core; And to be electrically connected with this processor of single chip computer 10
One voltage detection module 20, for detecting the voltage of voltage stabilizer input end in/L1 and/or output terminal out/L1 and detected voltage signal being fed back to the voltage sample of processor of single chip computer 10 for processor of single chip computer 10; As Fig. 3, wherein, described voltage detection module 20 comprises input voltage detection circuit 201 and output voltage detecting circuit 202.
One Drazin inverse relay group 30, as Fig. 4, its output signal contact-actuating by processor of single chip computer 10 stirs the output voltage regulating voltage stabilizer, and this Drazin inverse relay group 30 has an input end in/L1 be connected with voltage stabilizer live wire input end in/L1,4 output terminals (160V, 192V, 210V, 230V) be connected with voltage stabilizer fire wire output end (160V, 192V, 210V, 230V) and the second relay R L2 between its input end and output terminal, the 3rd relay R L3 and the 4th relay R L4;
One Voltage regulating relay modular converter 40, as Fig. 5, this module comprises civil power controllable silicon 401 that the output signal by processor of single chip computer 10 drives, exports controllable silicon 402 and switching relay 403; The first anode of described civil power controllable silicon 401 is connected with voltage stabilizer live wire input end in/L2, the second anode of civil power controllable silicon 401 is connected with the upper stationary contact of switching relay 403, and the control pole of civil power controllable silicon 401 is for connecting the output signal end of processor of single chip computer 10; The first anode of described output controllable silicon 402 is connected with voltage stabilizer fire wire output end out/L, the second anode exporting controllable silicon 402 is connected with the lower stationary contact of switching relay 403, the output terminal out/L1 of Drazin inverse relay group 30 respectively, exports the control pole of controllable silicon 402 for connecting the output signal end of processor of single chip computer 10; The moving contact of described switching relay 403 is connected with voltage stabilizer fire wire output end out/L;
In addition, processor of single chip computer 10 and civil power controllable silicon 401, export between controllable silicon 402 and be respectively arranged with two-way optocoupler MOC3083, MOC3083, two-way optocoupler have zero crossing detection function for civil power controllable silicon 401, export controllable silicon 402 zero crossing time open conducting.
One power module 50, as Fig. 6, its input end is connected with input end in/L1, in/N of voltage stabilizer, for providing operating voltage for processor of single chip computer 10, voltage detection module 20, Drazin inverse relay group 30 and Voltage regulating relay modular converter 40;
One transformer 90, as Figure 10, this transformer 90 is auto-transformer, and its input end IN/L, IN/N connect civil power, and output terminal OUT/L is as voltage stabilizer fire wire output end out/L;
One current detection module 60, as Fig. 7, external impressed current mutual inductor, for detecting the electric current of voltage stabilizer and detected current signal being fed back to the current sample of processor of single chip computer 10 for processor of single chip computer 10, this module provides operating voltage by power module 50;
One reference voltage provides module 70, and as Fig. 8, this module is connected with power module 50 and provides stable reference voltage VREF, needs when detecting for voltage detection module 20 and current detection module 60;
One exports master switch 80, as Fig. 9, this output master switch 80 comprises the first relay R L1 and the 3rd triode Q3, the dynamic and static contact of the first relay R L1 is arranged between the first anode of voltage stabilizer input end and described civil power controllable silicon 401, the coil of the first relay R L1 connects the collector of the 3rd triode Q3, the base stage of the 3rd triode Q3 connects the switching signal output terminal of processor of single chip computer 10, the grounded emitter of the 3rd triode Q3;
It is pointed out that the relay of Drazin inverse described in the present embodiment group 30 is three group relaies, but not as limiting to the invention, also to increase or to reduce the number of relay on basis of the present invention, all within protection scope of the present invention.
Based on same inventive concept, the present invention also comprises a kind of control method being applied to described voltage stabilizer, setting voltage stabilizer original state is that the moving contact of switching relay is connected with lower stationary contact, voltage stabilizer regulates the output voltage of voltage stabilizer by Drazin inverse relay group, and this control method comprises the following steps: as Figure 11
Whether A, detection voltage exceed setting range, if exceed, enter next step, otherwise return master routine;
B, open output controllable silicon, 5 cycles of time delay are to guarantee that exporting controllable silicon opens;
C, be allocated to stationary contact at the moving contact of current zero-crossing point switching relay;
D, open civil power controllable silicon at zero crossing, 5 cycles of time delay are to guarantee that exporting controllable silicon opens; Close at voltage wave peak dot simultaneously and export controllable silicon, the direct civil power of voltage stabilizer exports;
E, according to detect in A data calculate pressure regulation size and Drazin inverse relay group is switched to corresponding transformer export tap;
F, close civil power controllable silicon at voltage wave peak dot, and open output controllable silicon at zero crossing;
The moving contact of G, switching relay is allocated to lower stationary contact, and voltage stabilizer is regulated the output voltage of voltage stabilizer again by Drazin inverse relay group, return master routine.
Further, detecting voltage in described steps A is relay constrained input voltage.
Further, be combined with current over-zero in described step B, C, D, F, G to detect, to open at zero crossing for it and export controllable silicon or civil power controllable silicon and switching relay fluctuation moving contact, and close at voltage wave peak dot in described step F, G and export controllable silicon or civil power controllable silicon.
Product of the present invention is by carrying out realization improvement to original switching transformer mode, utilize controllable silicon characteristic in conjunction with relay, exported by transformer to switch between civil power bypass and realize voltage stabilizer function, reduce the generation of even stopping electric arc, not only make voltage stabilizer in power, have remarkable lifting, also greatly extend on relay serviceable life.Complete machine is made to be ensured very well service time.
The foregoing is only preferred embodiments of the present invention, the present invention is not limited to above-mentioned embodiment, as long as the technical scheme realizing the object of the invention with basic same approach all belongs within protection scope of the present invention.
Claims (10)
1., without a voltage stabilizer for electric arc pressure regulation, it is characterized in that comprising:
One processor of single chip computer (10), as control treatment core; And to be electrically connected with this processor of single chip computer (10)
One voltage detection module (20), for detecting the voltage of voltage stabilizer input end and/or output terminal and detected voltage signal being fed back to the voltage sample of processor of single chip computer (10) for processor of single chip computer (10);
One Drazin inverse relay group (30), its output signal contact-actuating by processor of single chip computer (10) stirs the output voltage regulating voltage stabilizer, and this Drazin inverse relay group (30) has an input end be connected with voltage stabilizer live wire input end, at least one output terminal of being connected with voltage stabilizer fire wire output end and at least two group relaies between its input end and output terminal;
One Voltage regulating relay modular converter (40), this module comprises civil power controllable silicon (401) that the output signal by processor of single chip computer (10) drives, exports controllable silicon (402) and switching relay (403); The first anode of described civil power controllable silicon (401) is connected with voltage stabilizer live wire input end, the second anode of civil power controllable silicon (401) is connected with the upper stationary contact of switching relay (403), and the control pole of civil power controllable silicon (401) is for connecting the output signal end of processor of single chip computer (10); The first anode of described output controllable silicon (402) is connected with voltage stabilizer fire wire output end, the second anode exporting controllable silicon (402) is connected with the lower stationary contact of switching relay (403), the output terminal of Drazin inverse relay group (30) respectively, exports the control pole of controllable silicon (402) for connecting the output signal end of processor of single chip computer (10); The moving contact of described switching relay (403) is connected with voltage stabilizer fire wire output end;
One power module (50), its input end is connected with the input end of voltage stabilizer, for providing operating voltage for processor of single chip computer (10), voltage detection module (20), Drazin inverse relay group (30) and Voltage regulating relay modular converter (40);
One transformer (90), the input termination civil power of this transformer (90), output terminal is as voltage stabilizer fire wire output end.
2. a kind of voltage stabilizer without electric arc pressure regulation according to claim 1, it is characterized in that: it also comprises a current detection module (60), for detecting the electric current of voltage stabilizer and detected current signal being fed back to the current sample of processor of single chip computer (10) for processor of single chip computer (10), this module provides operating voltage by power module (50).
3. a kind of voltage stabilizer without electric arc pressure regulation according to claim 1, is characterized in that: described voltage detection module (20) comprises input voltage detection circuit (201) and output voltage detecting circuit (202).
4. a kind of voltage stabilizer without electric arc pressure regulation according to Claims 2 or 3, is characterized in that: it also comprises a reference voltage provides module (70), and this module is connected with power module (50) and provides stable reference voltage VREF.
5. a kind of voltage stabilizer without electric arc pressure regulation according to claim 1, it is characterized in that: it also comprises an output master switch (80), this output master switch (80) comprises the first relay R L1 and the 3rd triode Q3, the dynamic and static contact of the first relay R L1 is arranged between the first anode of voltage stabilizer input end and described civil power controllable silicon (401), the coil of the first relay R L1 connects the collector of the 3rd triode Q3, the base stage of the 3rd triode Q3 connects the switching signal output terminal of processor of single chip computer (10), the grounded emitter of the 3rd triode Q3.
6. a kind of voltage stabilizer without electric arc pressure regulation according to claim 1, is characterized in that: described Drazin inverse relay group (30) has three group relaies, is respectively the second relay R L2, the 3rd relay R L3 and the 4th relay R L4.
7. one kind is applied to the control method of voltage stabilizer described in claim 1, it is characterized in that: setting voltage stabilizer original state is that the moving contact of switching relay is connected with lower stationary contact, voltage stabilizer regulates the output voltage of voltage stabilizer by Drazin inverse relay group, and this control method comprises the following steps
Whether A, detection voltage exceed setting range, if exceed, enter next step, otherwise return master routine;
B, open output controllable silicon;
The moving contact of C, switching relay is allocated to stationary contact;
D, open civil power controllable silicon, and close and export controllable silicon, the direct civil power of voltage stabilizer exports;
E, according to detect in A data calculate pressure regulation size and Drazin inverse relay group is switched to corresponding transformer export tap;
F, closedown civil power controllable silicon, and open output controllable silicon;
The moving contact of G, switching relay is allocated to lower stationary contact, and voltage stabilizer is regulated the output voltage of voltage stabilizer again by Drazin inverse relay group, return master routine.
8. the control method of voltage stabilizer according to claim 7, is characterized in that: detecting voltage in described steps A is relay constrained input voltage.
9. the control method of voltage stabilizer according to claim 7, it is characterized in that: be combined with current over-zero in described step B, C, D, F, G and detect, to open at zero crossing for it and export controllable silicon or civil power controllable silicon and stir switching relay moving contact, and close at voltage wave peak dot in described step D, F and export controllable silicon or civil power controllable silicon.
10. the control method of voltage stabilizer according to claim 7 or 8 or 9, is characterized in that: need time delay to guarantee that exporting controllable silicon opens, and needs time delay to guarantee that civil power controllable silicon is opened in described step D in described step B and F.
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| CN106091245A (en) * | 2016-06-08 | 2016-11-09 | 广州日滨科技发展有限公司 | A kind of air conditioner for elevator pressure regulation method, device and air conditioner for elevator |
| CN109617444B (en) * | 2018-12-30 | 2020-05-08 | 上海广为焊接设备有限公司 | Device for adjusting output current range and automatically converting arc voltage of electric welding machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5932997A (en) * | 1997-09-29 | 1999-08-03 | U.S. Energy, Inc. | Bit-weighted regulator |
| CN201478832U (en) * | 2009-08-21 | 2010-05-19 | 戚健兴 | Voltage-regulation energy saver |
| CN202486642U (en) * | 2012-01-18 | 2012-10-10 | 中山市马迅电器有限公司 | Novel alternating current voltage stabilizer |
| CN202797994U (en) * | 2012-08-25 | 2013-03-13 | 江苏东能电力科技有限公司 | Combination switch for switching of reactive power compensation capacitor |
| CN204360257U (en) * | 2014-12-08 | 2015-05-27 | 中山市马迅电器有限公司 | A kind of air-conditioning voltage stabilizer |
-
2014
- 2014-12-08 CN CN201410748065.4A patent/CN104536499B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5932997A (en) * | 1997-09-29 | 1999-08-03 | U.S. Energy, Inc. | Bit-weighted regulator |
| CN201478832U (en) * | 2009-08-21 | 2010-05-19 | 戚健兴 | Voltage-regulation energy saver |
| CN202486642U (en) * | 2012-01-18 | 2012-10-10 | 中山市马迅电器有限公司 | Novel alternating current voltage stabilizer |
| CN202797994U (en) * | 2012-08-25 | 2013-03-13 | 江苏东能电力科技有限公司 | Combination switch for switching of reactive power compensation capacitor |
| CN204360257U (en) * | 2014-12-08 | 2015-05-27 | 中山市马迅电器有限公司 | A kind of air-conditioning voltage stabilizer |
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Address after: Dong Fu Lu Ji Chang four industrial zone 528400 in Guangdong city of Zhongshan Province Dongfeng Town, No. 87 Patentee after: Guangdong Ma Xun electrical appliance Co., Ltd. Address before: 528400 Guangdong city of Zhongshan Province Dongfeng Town and Street No. 1 Patentee before: Zhongshan Maxun Electric Co., Ltd. |
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Denomination of invention: Voltage stabilizer free of electric arc voltage regulation and control method thereof Effective date of registration: 20180718 Granted publication date: 20160316 Pledgee: China Co truction Bank Corp Zhongshan branch Pledgor: Guangdong Ma Xun electrical appliance Co., Ltd. Registration number: 2018440020042 |
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Address after: 528400 No. 87 Dongfu Fourth Road, Dongfeng Town, Zhongshan City, Guangdong Province Patentee after: Zhongshan Maxun Electric Co., Ltd. Address before: 528400 No. 87 Dongfu four road, Ji Chang Industrial Zone, Dongfeng Town, Zhongshan, Guangdong Patentee before: Guangdong Ma Xun electrical appliance Co., Ltd. |
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Denomination of invention: A voltage regulator without arc voltage regulation and its control method Effective date of registration: 20210421 Granted publication date: 20160316 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: Staba Electric Co.,Ltd. Registration number: Y2021980002871 |