CN104852431B - UPS power supply control system and control method thereof - Google Patents
UPS power supply control system and control method thereof Download PDFInfo
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- CN104852431B CN104852431B CN201510242814.0A CN201510242814A CN104852431B CN 104852431 B CN104852431 B CN 104852431B CN 201510242814 A CN201510242814 A CN 201510242814A CN 104852431 B CN104852431 B CN 104852431B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a UPS power supply control system comprising a storage battery group and a controller. A charging terminal and a discharging terminal of the storage battery group are respectively connected with a charging module and a discharging module; a first tap and a second tap are respectively arranged at a charging circuit and a monitoring line of the charging module; and a third tap and a fourth tap are respectively arranged at a filter front-end circuit and a filter rear-end circuit of the discharging module. An input terminal of the controller is connected to the second tap and the third tap; and an output terminal of the controller is connected to the first tap and the fourth tap. In addition, the invention also discloses a control method of the UPS power supply control system. With the system and the method, defects in the prior art can be overcome; and the control accuracy of the UPS power supply can be improved.
Description
Technical field
The present invention relates to uninterrupted power supply technical field, especially a kind of control system of ups power and its control method.
Background technology
Photovoltaic and wind power generation as emerging clean energy resource, as the enhancing of people's environmental consciousness quickly grows.Wind-powered electricity generation,
The power reguirements that the boosting case of photovoltaic plant becomes are higher, need to carry out uninterrupted power supply using ups system.Chinese invention patent
CN102082462B discloses a kind of photovoltaic UPS system and control method, although this system can realize uninterrupted power supply,
It is which is not good for the stability control of whole commutation inversion process, it is possible that the ripple of power factor and charge and discharge process
It is dynamic.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of control system of ups power and its control method, can solve
Certainly the deficiencies in the prior art, improve the control accuracy for ups power.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows.
A kind of control system of ups power, including batteries and controller, the charging end of batteries and discharge end point
Charging module and discharge module is not connected with, on the charging circuit in charging module and monitoring circuit, the first tap is respectively arranged with
With the second tap, the 3rd tap and the 4th is respectively arranged with the filtering former-section circuit and filtering back segment circuit of discharge module and is taken out
Head, the input of controller are connected to the second tap and the 3rd tap, and the output end of controller is connected to the first tap and the 4th
Tap.
Preferably, the charging input end of the charging module is electric by the first inductance of series connection, the second inductance and first
Resistance is connected to the tie point of charging output end, the first inductance and the second inductance and is connected to the reverse of the first amplifier by second resistance
Input, the positive input of the first amplifier are connected to charging input end, the reverse input end of the first amplifier by 3rd resistor
The output end of the first amplifier is connected to by the 4th resistance, the positive input of the first amplifier by the 5th resistance eutral grounding, first
The output end of amplifier passes through the reverse input end of the 6th resistance and the first capacitance connection to the second amplifier, the second amplifier it is positive defeated
Enter end by the second capacity earth, the reverse input end of the second amplifier the 3rd electric capacity in parallel and the 7th resistance are connected to the
The output end of two amplifiers, the output end of the second amplifier are connected to the base stage of the first triode, the first triode by the 8th resistance
Colelctor electrode by the 4th capacitance connection to the output end that charges, the emitter stage of the first triode by the 9th resistance eutral grounding, first
The colelctor electrode of triode is grounded by the 3rd inductance, and charging output end is grounded by the first voltage-stabiliser tube；First tap setting is
Between two inductance and first resistor, output end of second tap setting in the second amplifier.
Preferably, the electric discharge input of the discharge module is connected to and is put by the 4th inductance and the tenth resistance of series connection
Electricity output end, discharge fiveth electric capacity and sixth capacity earth of the input by series connection, the connection of the 5th electric capacity and the 6th electric capacity
Point is connected to the base stage of the second triode by the 11st resistance, and the colelctor electrode of the second triode is connected to by the 12nd resistance
Between 4th inductance and the tenth resistance, the emitter stage of the second triode is connected to the reverse defeated of the 3rd amplifier by the 13rd resistance
Enter end, the positive input of the 3rd amplifier is connected between the 4th inductance and the tenth resistance by the 14th resistance, the 3rd amplifier
Positive input by the 15th resistance eutral grounding, the reverse input end of the 3rd amplifier is connected to the 3rd fortune by the 16th resistance
The output end put, the output end of the 3rd amplifier are connected to the base stage of the 3rd triode by the 17th resistance, the 3rd triode
Colelctor electrode is connected to electric discharge output end by the 18th resistance, is connected with the 7th between the collector and emitter of the 3rd triode
Electric capacity, tunable capacitor and eightth capacity earth of the output end of discharging by series connection, the two ends of the 8th electric capacity are parallel with the 5th inductance,
Second Zener diode and adjustable resistance ground connection of the electric discharge output end by series connection, the 3rd tap setting is in the 4th inductance and the tenth
Between resistance, the 4th tap is connected to the emitter stage of the 3rd triode by the 19th resistance.
A kind of control method of the control system for above-mentioned ups power, comprises the following steps：
A, controller gather the charging voltage fluctuation tendency of charging module by the second tap, are put by the 3rd tap collection
The discharge voltage and discharge current of electric module, by the first tap to charging module input adjustment voltage and adjustment electric current, passes through
4th tap is to discharge module input adjustment voltage；When supply line stops power supply, batteries by discharge module to
Electric equipment is powered, and when supply line restores electricity, supply line, is at the same time stored to battery charging by charging module
Battery pack continues to power to electrical equipment by discharge module；
The fluctuation tendency of B, controller for charging voltage, is input into the adjustment voltage of different magnitudes of voltage to the first tap,
Change of the controller for discharge current, is input into the adjustment electric current of different current values to the first tap；
C, after the adjustment of step B, change of the controller for discharge voltage is input into different magnitudes of voltage to the 4th tap
Adjustment magnitude of voltage, and feedback regulation is carried out to the adjustment voltage being input into the first tap according to the change of discharge voltage；
D, during ups power use repeat step B and step C set-up procedure, be circulated adjustment.
Using the beneficial effect brought by above-mentioned technical proposal it is：The present invention can be to the charging and discharging of ups power
Process carries out closed loop regulation, combines the dual regulation mode of hardware and software during regulation, it is possible to achieve at a high speed, high-precision
The real-time adjustment of exactness.
Description of the drawings
Fig. 1 is the schematic diagram of a specific embodiment of the invention.
Fig. 2 is the circuit diagram of charging module in a specific embodiment of the invention.
Fig. 3 is the circuit diagram of discharge module in a specific embodiment of the invention.
Specific embodiment
With reference to Fig. 1～3, a kind of control system of ups power, including batteries 1 and controller 4, batteries 1 are filled
Electric end and discharge end are connected to charging module 2 and discharge module 3, on the charging circuit in charging module 2 and monitoring circuit
The first tap P1 and the second tap P2 is respectively arranged with, on the filtering former-section circuit and filtering back segment circuit of discharge module 3 respectively
The 3rd tap P3 and the 4th tap P4 is provided with, the input of controller 4 is connected to the second tap P2 and the 3rd tap P3, is controlled
The output end of device 4 is connected to the first tap P1 and the 4th tap P4.Charging input end INC of the charging module 2 is by series connection
The first inductance L1, the second inductance L2 and first resistor R1 be connected to charging output end OUTC, the first inductance L1 and the second inductance
The tie point of L2 is connected to the reverse input end of the first amplifier A1 by second resistance R2, and the positive input of the first amplifier A1 leads to
Cross 3rd resistor R3 and be connected to charging input end INC, the reverse input end of the first amplifier A1 is connected to by the 4th resistance R4
The output end of one amplifier A1, the positive input of the first amplifier A1 are grounded by the 5th resistance R5, the output end of the first amplifier A1
The reverse input end of the second amplifier A2, the positive input of the second amplifier A2 are connected to by the 6th resistance R6 and the first electric capacity C1
It is grounded by the second electric capacity C2, the reverse input end of the second amplifier A2 the 3rd electric capacity C3 in parallel and the 7th resistance R7 connections
To the output end of the second amplifier A2, the output end of the second amplifier A2 is connected to the base of the first triode Q1 by the 8th resistance R8
Pole, the colelctor electrode of the first triode Q1 are connected to charging output end OUTC, the transmitting of the first triode Q1 by the 4th electric capacity C4
Pole is grounded by the 9th resistance R9, and the colelctor electrode of the first triode Q1 is grounded by the 3rd inductance L3, and charging output end OUTC is led to
Cross the first voltage-stabiliser tube ZD1 ground connection；First tap P1 is arranged between the second inductance L2 and first resistor R1, and the second tap P2 is arranged
In the output end of the second amplifier A2.Fourth inductance L4 and tenth resistance of the electric discharge input IND of discharge module 3 by series connection
R10 is connected to electric discharge output end OUTD, fiveth electric capacity C5 and sixth electric capacity C6 ground connection of the input IND by series connection of discharging, the
The tie point of five electric capacity C5 and the 6th electric capacity C6 is connected to the base stage of the second triode Q2 by the 11st resistance R11, and the two or three
The colelctor electrode of pole pipe Q2 is connected between the 4th inductance L4 and the tenth resistance R10 by the 12nd resistance R12, the second triode Q2
Emitter stage be connected to the reverse input end of the 3rd amplifier A3, the positive input of the 3rd amplifier A3 by the 13rd resistance R13
It is connected between the 4th inductance L4 and the tenth resistance R10 by the 14th resistance R14, the positive input of the 3rd amplifier A3 passes through
15th resistance R15 is grounded, and the reverse input end of the 3rd amplifier A3 is connected to the defeated of the 3rd amplifier A3 by the 16th resistance R16
Go out end, the output end of the 3rd amplifier A3 is connected to the base stage of the 3rd triode Q3, the 3rd triode Q3 by the 17th resistance R17
Colelctor electrode electric discharge output end OUTD is connected to by the 18th resistance R18, the collector and emitter of the 3rd triode Q3 it
Between be connected with the 7th electric capacity C7, tunable capacitor AC and eightth electric capacity C8 ground connection of output end OUTD of discharging by series connection, the 8th is electric
The two ends for holding C8 are parallel with the 5th inductance L5, second Zener diode ZD2 and adjustable electric of output end OUTD of discharging by series connection
Resistance AR ground connection, the 3rd tap P3 are arranged between the 4th inductance L4 and the tenth resistance R10, and the 4th tap P4 passes through the 19th resistance
R19 is connected to the emitter stage of the 3rd triode Q3.The output end of controller 4 is further connected to tunable capacitor AC and adjustable resistance
On AR, the digitlization to tunable capacitor AC and adjustable resistance AR is adjusted.
Wherein, first resistor R1 is 350k Ω, and second resistance R2 and 3rd resistor R3 are 100k Ω, and the 4th resistance R4 is
50k Ω, the 5th resistance R5 are 120k Ω, and the 6th resistance R6 is 155k Ω, and the 7th resistance R7 is 200k Ω, and the 8th resistance R8 is
90k Ω, the 9th resistance R9 be 30k Ω, the tenth resistance R10 be 240k Ω, the 11st resistance R11 be 35k Ω, the 12nd resistance
R12 is 45k Ω, and the 13rd resistance R13 is 60k Ω, and the 14th resistance R14 is 110k Ω, and the 15th resistance R15 is 80k Ω, the
16 resistance R16 are 90k Ω, and the 17th resistance R17 is 110k Ω, and the 18th resistance R18 is 150k Ω, the 19th resistance R19
For 120k Ω, the Standard resistance range of adjustable resistance AR is 20k Ω～300k Ω.First electric capacity C1 is 150 μ F, and the second electric capacity C2 is
330 μ F, the 3rd electric capacity C3 are 170 μ F, and the 4th electric capacity C4 is 500 μ F, and the 5th electric capacity C5 and the 6th electric capacity are 400 μ F, and the 7th is electric
Appearance C7 is 220 μ F, and the 8th electric capacity C8 is 150 μ F, and the capacitance value range of tunable capacitor AC is 50 μ F～400 μ F, the first inductance L1
For 1.2mH, the second inductance L2 is 1.5mH, and the 3rd inductance L3 is 12mH, and the 4th inductance L4 is 7.5mH, and the 5th inductance L5 is 8mH.
A kind of control method of the control system for above-mentioned ups power, comprises the following steps：
A, controller 4 gather the charging voltage fluctuation tendency of charging module 2 by the second tap P2, by the 3rd tap P3
The discharge voltage and discharge current of collection discharge module 3, by the first tap P1 to the input of charging module 2 adjustment voltage and adjustment
Electric current, by the 4th tap P4 to the input adjustment voltage of discharge module 2；When supply line stops power supply, batteries 1 pass through
Discharge module 3 is powered to electrical equipment, and when supply line restores electricity, supply line is by charging module 2 to batteries 1
Charge, at the same time batteries 1 continue to power to electrical equipment by discharge module 3；
The fluctuation tendency of B, controller 4 for charging voltage, is input into the adjustment electricity of different magnitudes of voltage to the first tap P1
Pressure, change of the controller 4 for discharge current are input into the adjustment electric current of different current values to the first tap P1；Adjustment voltage with
Functional relation between voltage pulsation trend is：
Δ U=k* (dU/dt)3
Wherein, Δ U is adjustment voltage, and k is regulation coefficient, and dU/dt is voltage pulsation trend.The numerical value of adjustment electric current passes through
Proportional integral computing is carried out to discharge current change to draw, wherein proportionality coefficient is the half of regulation coefficient k；
C, after the adjustment of step B, change of the controller 4 for discharge voltage, to the different electricity of the 4th tap P4 inputs
The adjustment magnitude of voltage of pressure value, and feedback tune is carried out to the adjustment voltage being input into the first tap P1 according to the change of discharge voltage
Section；Determined to the 4th tap P4 output adjustments magnitude of voltage according to the maximum of discharge voltage, then when the fluctuation of discharge voltage becomes
After changing less than the 50% of reference voltage, adjustment magnitude of voltage reduces according to logarithmic curve, until next discharge voltage fluctuation is arrived
Come.According to the 4th tap P4 output adjustments magnitude of voltage, adjustment voltage to the first tap P1 inputs determines that its numerical value is taken out for the 4th
Head P4 output adjustment magnitudes of voltage 30%, and the duration of this adjusted value be preferably 20ms.
D, during ups power use repeat step B and step C set-up procedure, be circulated adjustment.
Controller 4 by the monitoring to discharge side and charged side, obtain multiple discharge voltages, discharge current, charging voltage,
Above-mentioned four kinds of measured values are separately constituted four trip currents by the measured value of charging current.If discharge voltage trip current and filling
The mould increase of the difference of the characteristic vector of piezoelectric voltage trip current, then reduce the value of regulation coefficient k, if discharge voltage trip current
Reduce with the mould of the difference of the characteristic vector of charging voltage trip current, then increase the value of regulation coefficient k.
If the mould increase of the difference of the characteristic vector of discharge current trip current and charging current trip current, reduction can
Electric capacity AC and adjustable resistance AR is adjusted, if the mould of the difference of the characteristic vector of discharge current trip current and charging current trip current
Reduce, then increase tunable capacitor AC and adjustable resistance AR.
The present invention adopts DSP digital signalization processing system control technologies, rectification, PFC to equipment, DC/
DC boostings, charging, inversion etc. are detected and drive control so that UPS unfailing performances are greatly improved.It also has perfect leading to
Letter system, optional LED and LCE operation display interfaces more embody that the UPS complete functions, availability be strong, the spy of flexible configuration
Point.Meet the requirement of medium and small user's important system uninterrupted power supply.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (3)
1. a kind of control system of ups power, it is characterised in that：Including batteries（1）And controller（4）, batteries（1）
Charging end and discharge end be connected to charging module（2）And discharge module（3）, charging module（2）In charging circuit and
The first tap is respectively arranged with monitoring circuit（P1）With the second tap（P2）, discharge module（3）Filtering former-section circuit and filter
The 3rd tap is respectively arranged with ripple back segment circuit（P3）With the 4th tap（P4）, controller（4）Input be connected to second
Tap（P2）With the 3rd tap（P3）, controller（4）Output end be connected to the first tap（P1）With the 4th tap（P4）；
The charging module（2）Charging input end（INC）By the first inductance connected（L1）, the second inductance（L2）With first
Resistance（R1）It is connected to charging output end（OUTC）, the first inductance（L1）With the second inductance（L2）Tie point pass through second resistance
（R2）It is connected to the first amplifier（A1）Reverse input end, the first amplifier（A1）Positive input pass through 3rd resistor（R3）Even
It is connected to charging input end（INC）, the first amplifier（A1）Reverse input end pass through the 4th resistance（R4）It is connected to the first amplifier
（A1）Output end, the first amplifier（A1）Positive input pass through the 5th resistance（R5）Ground connection, the first amplifier（A1）Output
End is by the 6th resistance（R6）With the first electric capacity（C1）It is connected to the second amplifier（A2）Reverse input end, the second amplifier（A2）'s
Positive input passes through the second electric capacity（C2）Ground connection, the second amplifier（A2）Reverse input end the 3rd electric capacity in parallel（C3）
With the 7th resistance（R7）It is connected to the second amplifier（A2）Output end, the second amplifier（A2）Output end pass through the 8th resistance（R8）
It is connected to the first triode（Q1）Base stage, the first triode（Q1）Colelctor electrode pass through the 4th electric capacity（C4）It is connected to charging defeated
Go out end（OUTC）, the first triode（Q1）Emitter stage pass through the 9th resistance（R9）Ground connection, the first triode（Q1）Colelctor electrode
By the 3rd inductance（L3）Ground connection, charging output end（OUTC）By the first voltage-stabiliser tube（ZD1）Ground connection；First tap（P1）Arrange
In the second inductance（L2）And first resistor（R1）Between, the second tap（P2）It is arranged on the second amplifier（A2）Output end.
2. the control system of ups power according to claim 1, it is characterised in that：The discharge module（3）Electric discharge it is defeated
Enter end（IND）By the 4th inductance connected（L4）With the tenth resistance（R10）It is connected to electric discharge output end（OUTD）, electric discharge input
End（IND）By the 5th electric capacity connected（C5）With the 6th electric capacity（C6）Ground connection, the 5th electric capacity（C5）With the 6th electric capacity（C6）'s
Tie point passes through the 11st resistance（R11）It is connected to the second triode（Q2）Base stage, the second triode（Q2）Colelctor electrode lead to
Cross the 12nd resistance（R12）It is connected to the 4th inductance（L4）With the tenth resistance（R10）Between, the second triode（Q2）Emitter stage
By the 13rd resistance（R13）It is connected to the 3rd amplifier（A3）Reverse input end, the 3rd amplifier（A3）Positive input lead to
Cross the 14th resistance（R14）It is connected to the 4th inductance（L4）With the tenth resistance（R10）Between, the 3rd amplifier（A3）Positive input
End is by the 15th resistance（R15）Ground connection, the 3rd amplifier（A3）Reverse input end pass through the 16th resistance（R16）It is connected to
Three amplifiers（A3）Output end, the 3rd amplifier（A3）Output end pass through the 17th resistance（R17）It is connected to the 3rd triode
（Q3）Base stage, the 3rd triode（Q3）Colelctor electrode pass through the 18th resistance（R18）It is connected to electric discharge output end（OUTD）, the
Three triodes（Q3）Collector and emitter between be connected with the 7th electric capacity（C7）, output end of discharging（OUTD）By series connection
Tunable capacitor（AC）With the 8th electric capacity（C8）Ground connection, the 8th electric capacity（C8）Two ends be parallel with the 5th inductance（L5）, electric discharge output
End（OUTD）By the second Zener diode connected（ZD2）And adjustable resistance（AR）Ground connection, the 3rd tap（P3）It is arranged on
Four inductance（L4）With the tenth resistance（R10）Between, the 4th tap（P4）By the 19th resistance（R19）It is connected to the 3rd triode
（Q3）Emitter stage.
3. a kind of control method of the control system of the ups power for described in claim 1, it is characterised in that including following step
Suddenly：
A, controller（4）By the second tap（P2）Collection charging module（2）Charging voltage fluctuation tendency, by the 3rd tap
（P3）Collection discharge module（3）Discharge voltage and discharge current, by the first tap（P1）To charging module（2）Input adjustment
Voltage and adjustment electric current, by the 4th tap（P4）To discharge module（2）Input adjustment voltage；When supply line stops power supply
When, batteries（1）By discharge module（3）Power to electrical equipment, when supply line restores electricity, supply line passes through
Charging module（2）To batteries（1）Charge, at the same time batteries（1）By discharge module（3）Continue to electrical equipment
Power supply；
B, controller（4）For the fluctuation tendency of charging voltage, to the first tap（P1）The adjustment electricity of the different magnitude of voltage of input
Pressure, controller（4）For the change of discharge current, to the first tap（P1）The adjustment electric current of the different current values of input；
C, after the adjustment of step B, controller（4）For the change of discharge voltage, to the 4th tap（P4）The different electricity of input
The adjustment magnitude of voltage of pressure value, and according to the change of discharge voltage to the first tap（P1）The adjustment voltage of input carries out feedback tune
Section；
D, during ups power use repeat step B and step C set-up procedure, be circulated adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510242814.0A CN104852431B (en) | 2015-06-25 | 2015-06-25 | UPS power supply control system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510242814.0A CN104852431B (en) | 2015-06-25 | 2015-06-25 | UPS power supply control system and control method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN104852431A CN104852431A (en) | 2015-08-19 |
| CN104852431B true CN104852431B (en) | 2017-03-22 |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5982652A (en) * | 1998-07-14 | 1999-11-09 | American Power Conversion | Method and apparatus for providing uninterruptible power using a power controller and a redundant power controller |
| CN101005211A (en) * | 2007-01-18 | 2007-07-25 | 秦江超 | High frequency emergency power system |
| CN203278327U (en) * | 2013-05-27 | 2013-11-06 | 浙江南峰电气有限公司 | Backup power supply charging and discharging control circuit |
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Effective date of registration: 20170223 Address after: 071000 Hebei city in Baoding province where the area of the North Second Ring Road No. 5699 University Science and Technology Park Applicant after: BAODING SHANGWEI ELECTRICITY TECHNOLOGY CO., LTD. Address before: Fengtai District, Beijing Cheng Cheng Temple Road, building 18, floor 1804, 5 Applicant before: Beijing Zhong Hengruichuan Electric Applicance Co., Ltd |
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Effective date of registration: 20170619 Address after: The beautiful city of Baoding province Hebei 071000 Street No. 677 Patentee after: Baoding Zhong Pu electric equipment Manufacturing Co., Ltd Address before: 071000 Hebei city in Baoding province where the area of the North Second Ring Road No. 5699 University Science and Technology Park Patentee before: BAODING SHANGWEI ELECTRICITY TECHNOLOGY CO., LTD. |
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