CN104882944A - Multi-user auxiliary power control system for communication - Google Patents

Multi-user auxiliary power control system for communication Download PDF

Info

Publication number
CN104882944A
CN104882944A CN201510332651.5A CN201510332651A CN104882944A CN 104882944 A CN104882944 A CN 104882944A CN 201510332651 A CN201510332651 A CN 201510332651A CN 104882944 A CN104882944 A CN 104882944A
Authority
CN
China
Prior art keywords
energy conversion
energy
storage units
conversion unit
energy storage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510332651.5A
Other languages
Chinese (zh)
Other versions
CN104882944B (en
Inventor
余新洛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANXI XINTONG INTELLIGENT TECHNOLOGY Co Ltd
Original Assignee
SHANXI XINTONG INTELLIGENT TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANXI XINTONG INTELLIGENT TECHNOLOGY Co Ltd filed Critical SHANXI XINTONG INTELLIGENT TECHNOLOGY Co Ltd
Priority to CN201510332651.5A priority Critical patent/CN104882944B/en
Publication of CN104882944A publication Critical patent/CN104882944A/en
Application granted granted Critical
Publication of CN104882944B publication Critical patent/CN104882944B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a multi-user auxiliary power control system for communication, and the system comprises n energy conversion units for controlling power supply to an independent base station, n electric energy conversion units, and n energy storage units. The system also comprises a group of switching devices, n electronic switches, and microcontrollers corresponding to n power supply systems. Moreover, the energy conversion unit with the highest configuration affluence of electric energy is divided into a local energy conversion module and a standby energy conversion module. The local energy conversion module is used for the power supply of a local power supply system, and the standby energy conversion module is used for the selective charging of n energy storage units. The system completely uses the electric energy of a solar cell, avoids waste, can effectively improve the working condition of other power supply systems, reasonably prevents a battery from being at an undervoltage state for a long time, effectively prolongs the service of the battery, and saves a large amount of cost.

Description

Communicate and to help each other power control system with multi-user
Technical field
The invention belongs to technical field of solar, relating to a kind of control system of the solar electric power supply system for powering for communication base station.
Background technology
Current movement, telecommunications, UNICOM's communication base station have separately independently solar electric power supply system, separately system each other, and the electric energy of solar cell conversion is powered to communication base station by controller, battery.
As shown in Figure 1, base station solar electric power supply system comprises following three parts:
One, energy conversion unit: solar cell array, its effect is electric energy the transform light energy of the sun.
Two, electric energy conversion unit: controller, its effect is that the electric energy sent by solar energy carries out conversion control.
Three, energy storage units: storage battery, its effect is can limited electrical power storage.
Integrated by above unit, completes the conversion of luminous energy electric energy, achieves power supply.But there are following three shortcomings:
One, three independently base stations, the affluence amount of the solar cell of configuration is different.Load one timing, the solar battery that the rich amount of configuration is high, storage battery is in for a long time and shallowly fills shallow state of putting, the unnecessary electricity that solar cell sends slatterning in vain.
Two, the square formation that contrary rich amount is low, storage battery may be in the state of having a deficit for a long time, affects the life-span of storage battery.
If three to run into continuous print overcast and rainy, can there is the phenomenon of power-off in the little system of the rich amount of configuration, impact communication.
Summary of the invention
The present invention proposes a kind of communication to help each other power control system with multi-user, this system takes full advantage of the electricity that solar cell sends, and avoids waste, and can effectively improve the working condition of electric power system, extend battery life.
Technology contents of the present invention is as follows:
A kind of communication to be helped each other power control system with multi-user, n for controlling to power to stand-alone base station overlaps electric power system, described electric power system comprises energy conversion unit, electric energy conversion unit and energy storage units, solar energy is converted to electric energy by described energy conversion unit, through described electric energy conversion unit, transformation of electrical energy is controlled, and the energy storage units described in adopting is powered to stand-alone base station after storing;
This communication multi-user's power control system of helping each other also comprises one group of switching device shifter, a n electronic switch and overlaps the corresponding microcontroller of electric power system with n, and the highest energy conversion unit of the rich amount of electric energy configuration is divided into local energy modular converter and energy conversion module for subsequent use, local energy modular converter is used for the power supply of power supplied locally system, described energy conversion module output current for subsequent use is connected with n energy storage units after switching device shifter shunt, corresponding electronic switch is provided with between switching device shifter and every energy storage units, described microcontroller is used for the voltage of the energy storage units of electric power system corresponding to Real-Time Monitoring, the voltage and current signal of charging current signal and energy conversion unit, electronic switch is controlled after union process, and then change the operating state of switching device shifter, realize the selective charge of energy conversion module for subsequent use to n energy storage units.
Above-mentioned communication is helped each other in power control system with multi-user, and switching device shifter comprises the relay that n switch contact is connected in series mutually, and described electronic switch is connected in the control line bag of corresponding relay.
Above-mentioned communication is helped each other in power control system with multi-user, and microcontroller comprises solar voltage current sampling circuit, digital signal processor, communication interface, battery tension and charge current sample circuit; Digital signal processor obtains the output signal of solar voltage current sampling circuit and the output signal of battery tension and charge current sample circuit, a control n electronic switch after calculation process, thus realize the selective charge of energy conversion module for subsequent use to n energy storage units.
Above-mentioned communication is helped each other in power control system with multi-user, and input and output state can be uploaded to host computer by communication interface by microcontroller in real time, and host computer can send instruction to adjust the operating state of microcontroller.
Above-mentioned communication is helped each other in power control system with multi-user, n=3.
The Advantageous Effects that the present invention has is as follows:
One, the present invention make use of the electricity that solar cell sends completely, avoid waste, and the working condition of other electric power system can be effectively improved, reasonably avoid battery and be in the state of having a deficit for a long time, effectively extend battery life, save a large amount of costs;
Two, the relay that switching device shifter of the present invention adopts 3 switch contacts to be mutually connected in series forms, and three electronic switches are connected in the control line bag of corresponding relay, thus the control achieved easily power supply circuits, and there is the advantages such as reliable and stable;
Three, the present invention obtains the output signal of solar voltage current sampling circuit and the output signal of battery tension and charge current sample circuit by digital signal processor, No. three electronic switches are controlled after calculation process, thus the intelligent charge achieving three cover electric power systems controls, save electric energy, avoid waste, protect battery; This digital signal processor also can communicate with external computer simultaneously, the operating state of adjustment microcontroller, and information is shown.
Accompanying drawing explanation
Fig. 1 is communication base station solar electric power supply system composition diagram of the prior art.
Fig. 2 is that communication of the present invention is helped each other with multi-user the theory of constitution figure of power control system.
Fig. 3 is that communication of the present invention is helped each other with multi-user the microcontroller theory of constitution figure of power control system.
The first operating state principle schematic of Fig. 4 switching device shifter of the present invention.
Fig. 5 switching device shifter the second of the present invention operating state principle schematic.
The third operating state principle schematic of Fig. 6 switching device shifter of the present invention.
Reference numeral is as follows:
11-switching device shifter, 12-computer, 101-energy conversion unit one, 102-energy conversion unit two, 103-energy conversion unit three, 201-electric energy conversion unit one, 202-electric energy conversion unit two, 203-electric energy conversion unit three, 301-energy storage units one, 302-energy storage units two, 301-energy storage units three, 401-base station one, 402-base station two, 401-base station three, 501-microcontroller one, 502-microcontroller two, 503-microcontroller three, 601-loop one, 602-loop two, 603-loop three, 701-relay one, 702-relay two, 703-relay three, 1001-local energy converting unit, 1002-energy conversion unit for subsequent use.
Embodiment
As shown in Figure 1, conventional base station solar electric power supply system by three tunnels independently electric power system form, the first via comprises energy conversion unit 1, electric energy conversion unit 1, energy storage units 1, for the power supply of base station 1; Second tunnel comprises energy conversion unit 2 102, electric energy conversion unit 2 202, energy storage units 2 302, for the power supply of base station 2 402; 3rd tunnel comprises energy conversion unit 3 103, electric energy conversion unit 3 203, energy storage units 3 303, for the power supply of base station 3 403.
As shown in Figure 2, base station of the present invention solar electric power supply system adds communication and to help each other power control system with multi-user on prior art basis, comprise one group of switching device shifter, 11, three electronic switches and overlap the corresponding microcontroller of electric power system with three, respectively microcontroller 1, microcontroller 2 502 and microcontroller 3 503; And the highest energy conversion unit of the rich amount of electric energy configuration is divided into local energy modular converter 1001 and energy conversion module for subsequent use 1002.
Wherein local energy modular converter 1001 is for the power supply of power supplied locally system, as the base station 1 in Fig. 2.
Energy conversion module 1002 power supply for subsequent use have passed through switching device shifter 11, by the judgement of charging current, can be switched to any one in three cover electric power systems respectively, realize selective charging.Energy conversion module 1002 output current for subsequent use is connected with three energy storage units after switching device shifter 11 shunt, is provided with corresponding electronic switch between switching device shifter 11 and every energy storage units;
Microcontroller is used for the voltage and current signal of the voltage of the energy storage units of electric power system corresponding to Real-Time Monitoring, charging current signal and energy conversion unit, electronic switch is controlled after union process, and then change the operating state of switching device shifter 11, realize the selective charge of energy conversion module 1002 for subsequent use to three energy storage units.
As shown in Figure 3, microcontroller primarily of DC/DC Switching Power Supply, solar voltage current sampling circuit, RS232 communication interface, digital signal processor, battery tension and charge current sample circuit etc. five part composition, only for second channel in Fig. 3, other passage principles are all identical.
Microcontroller converts solar energy into direct current 48V electric energy by DC/DC Switching Power Supply, is load supplying on the one hand, on the other hand unnecessary electric energy is filled accumulators.The voltage and current of storage battery is uploaded to digital signal processor by battery tension and charge current sample circuit in real time, and digital signal processor judges whether being full of of storage battery accordingly, and by controlling electronic switch K1, K2, K3 control electric energy switching device shifter.Solar voltage current sampling circuit Real-time Collection solar cell matrix voltage and current, and by information upload digital signal processor, digital signal processor judges operating state and the input power situation of solar cell matrix accordingly.Input and output state is uploaded to host computer by RS232 communication interface by microcontroller in real time, and host computer can send according to the information uploaded of microcontroller the operating state that instruction adjusts microcontroller.
As shown in Figure 4,5, 6, the relay that switching device shifter is connected in series mutually by three-way switch contact forms, be respectively relay 1, relay 2 702 and relay 3 703, the b point of its repeat circuit 1 is connected with a point of relay 2 702, and the b point of relay 2 702 is connected with a point of relay 3 703.
No. three electronic switch K1, K2, K3 are connected in series in the control line bag of No. three relays respectively, for three relays: when K1, K2, K3 disconnect, its respective control line bag all disconnects, three relay contact original states of each self-sustaining and a1 and c1 connect, a1 and b1 disconnects; A2 and c2 connects, a2 and b2 disconnects; A3 and c3 connects, a3 and b3 disconnects; When K1, K2, K3 close, its respective control line bag is all closed, and three relay contacts change original state all separately and a1 and c1 disconnects, a1 and b1 connects; A2 and c2 disconnects, a2 and b2 connects; A3 and c3 disconnects, a3 and b3 connects.
The first state of switching device shifter 11 as shown in Figure 4, when electronic switch K1, K2, K3 disconnect, three relays all keep original state, a1 and c1 connects, a2 and c2 connects, a3 and c3 connects, and the energy of energy conversion module 1002 for subsequent use is flowed in microcontroller 1 by loop 1, charges to energy storage units 1.
The second state of switching device shifter 11 as shown in Figure 5, when electronic switch K1 is closed, K2, K3 disconnect, the change of relay 1 state, relay 2 702 and relay 3 703 keep original state, a1 and b1 connects, a2 and c2 connects, a3 and c3 connects, and the energy of energy conversion module 1002 for subsequent use is flowed in microcontroller 2 502 by loop 2 602, charges to energy storage units 2 302.
The third state of switching device shifter 11 as shown in Figure 6, when electronic switch K1, K2 are closed, K3 disconnects, relay 1 and relay 2 702 state change, relay 3 703 keeps original state, a1 and b1 connects, a2 and b2 connects, a3 and c3 connects, and the energy of energy conversion module 1002 for subsequent use is flowed in microcontroller 3 503 by loop 3 603, charges to energy storage units 3 303.
Visible by describing above, switching device shifter 11 achieves by Based Intelligent Control the switching that energy conversion module 1002 for subsequent use inputs energy, make use of the electricity that solar cell sends completely, avoid waste, and the working condition of other two groups of electric power systems can be effectively improved, reasonably avoid battery and be in the state of having a deficit for a long time, effectively extend battery life, save a large amount of costs.
It should be noted that, the present invention is not limited to the control to three cover systems, and on the basis based on foregoing invention thought, easily extensible is n.Above thought is all in protection scope of the present invention.

Claims (5)

1. a communication to be helped each other power control system with multi-user, n for controlling to power to stand-alone base station overlaps electric power system, described electric power system comprises energy conversion unit, electric energy conversion unit and energy storage units, solar energy is converted to electric energy by described energy conversion unit, through described electric energy conversion unit, transformation of electrical energy is controlled, and the energy storage units described in adopting is powered to stand-alone base station after storing;
It is characterized in that: comprise one group of switching device shifter (11), a n electronic switch and overlap the corresponding microcontroller of electric power system with n, and the highest energy conversion unit of the rich amount of electric energy configuration is divided into local energy modular converter (1001) and energy conversion module for subsequent use (1002);
Described local energy modular converter (1001) is for the power supply of power supplied locally system, described energy conversion module for subsequent use (1002) output current is connected with n energy storage units after switching device shifter (11) shunt, corresponding electronic switch is provided with between switching device shifter (11) and every energy storage units, described microcontroller is used for the voltage of the energy storage units of electric power system corresponding to Real-Time Monitoring, the voltage and current signal of charging current signal and energy conversion unit, electronic switch is controlled after union process, and then change the operating state of switching device shifter (11), realize the selective charge of energy conversion module for subsequent use (1002) to n energy storage units.
2. communication according to claim 1 to be helped each other power control system with multi-user, it is characterized in that: described switching device shifter (11) comprises the relay that n switch contact is connected in series mutually, and described electronic switch is connected in the control line bag of corresponding relay.
3. communication according to claim 1 to be helped each other power control system with multi-user, it is characterized in that: described microcontroller comprises solar voltage current sampling circuit, digital signal processor, communication interface, battery tension and charge current sample circuit; Digital signal processor obtains the output signal of solar voltage current sampling circuit and the output signal of battery tension and charge current sample circuit, a control n electronic switch after calculation process, thus realize the selective charge of energy conversion module for subsequent use (1002) to n energy storage units.
4. communication according to claim 3 to be helped each other power control system with multi-user, it is characterized in that: input and output state can be uploaded to host computer by communication interface by described microcontroller in real time, host computer can send instruction to adjust the operating state of microcontroller.
5. the communication according to claim 1 or 2 or 3 to be helped each other power control system with multi-user, it is characterized in that: n=3.
CN201510332651.5A 2015-06-16 2015-06-16 Communication multi-user's mutual assistance power control system Active CN104882944B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510332651.5A CN104882944B (en) 2015-06-16 2015-06-16 Communication multi-user's mutual assistance power control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510332651.5A CN104882944B (en) 2015-06-16 2015-06-16 Communication multi-user's mutual assistance power control system

Publications (2)

Publication Number Publication Date
CN104882944A true CN104882944A (en) 2015-09-02
CN104882944B CN104882944B (en) 2017-03-08

Family

ID=53950327

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510332651.5A Active CN104882944B (en) 2015-06-16 2015-06-16 Communication multi-user's mutual assistance power control system

Country Status (1)

Country Link
CN (1) CN104882944B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105870928A (en) * 2016-05-05 2016-08-17 陕西新通智能科技有限公司 Multi-user power supply control system for communication

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009033802A (en) * 2007-07-24 2009-02-12 Fuji Pureamu Kk Power storage type photovoltaic power generation system
CN201286022Y (en) * 2008-09-17 2009-08-05 中国移动通信集团吉林有限公司 Electricity supply apparatus for mobile communication base station
CN102545255A (en) * 2011-12-26 2012-07-04 重庆大学 Photovoltaic and micro gas turbine mixed micro grid coordinated operation control method
CN103490475A (en) * 2013-09-29 2014-01-01 浙江大学 Multi-energy collecting wireless sensor network node power source
CN204721041U (en) * 2015-06-16 2015-10-21 陕西新通智能科技有限公司 Communicate and to help each other power control system with multi-user

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009033802A (en) * 2007-07-24 2009-02-12 Fuji Pureamu Kk Power storage type photovoltaic power generation system
CN201286022Y (en) * 2008-09-17 2009-08-05 中国移动通信集团吉林有限公司 Electricity supply apparatus for mobile communication base station
CN102545255A (en) * 2011-12-26 2012-07-04 重庆大学 Photovoltaic and micro gas turbine mixed micro grid coordinated operation control method
CN103490475A (en) * 2013-09-29 2014-01-01 浙江大学 Multi-energy collecting wireless sensor network node power source
CN204721041U (en) * 2015-06-16 2015-10-21 陕西新通智能科技有限公司 Communicate and to help each other power control system with multi-user

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张盛忠: "太阳能与风能发电在通信电源系统中的综合应用", 《电源技术应用》 *
马也骋: "风光互补发电在通信基站节能中的应用", 《通信电源技术》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105870928A (en) * 2016-05-05 2016-08-17 陕西新通智能科技有限公司 Multi-user power supply control system for communication
CN105870928B (en) * 2016-05-05 2018-06-08 陕西新通智能科技有限公司 A kind of communication multi-user's power control system

Also Published As

Publication number Publication date
CN104882944B (en) 2017-03-08

Similar Documents

Publication Publication Date Title
CN203645398U (en) Regulation and control device capable of realizing complementation usage between solar power and commercial power
CN102368630B (en) Seamless and circulation-less switching system for two groups of DC (direct current) power supplies
CN201698966U (en) Electronic switch
CN103532203A (en) Battery pack application node as well as matrix battery management system and implementation method thereof
CN203120214U (en) Control and driving integration apparatus used for solar energy LED illumination
CN103633727A (en) Hybrid electric photovoltaic accumulation system inversion control all-in-one machine
CN201750160U (en) Solar energy power supply grid-connected integrated device
CN202749870U (en) Storage battery intelligent uniform charging controller for grid-disconnection type wind and light complementary power generation system
CN103812140A (en) Wind energy, solar energy and commercial power complementary electric vehicle charging system
CN204721041U (en) Communicate and to help each other power control system with multi-user
CN104410318A (en) Inversion and rectification integrated power conversion circuit
CN102769153B (en) A kind of method for charging battery pack and implement device thereof
CN104734326A (en) Solar power supply and mains supply complementary usage regulation and control device
CN201504116U (en) Outdoor communication power source
CN104882944A (en) Multi-user auxiliary power control system for communication
CN203660641U (en) Hybrid inverter with uninterrupted power supply function
CN204103816U (en) Motor load change automatic control electricity-saving device
CN203813473U (en) Photocell intelligent charge/discharge device
CN207074880U (en) A kind of charging module of low standby power loss
CN202363956U (en) Solar double-supply circuit
CN202042930U (en) Battery management system for solar air conditioner
CN205864051U (en) Many power supplys change controller switching equipment automatically
CN203574408U (en) Battery pack application node and matrix battery management system
CN202978408U (en) Double-power-supply automatic switching circuit
CN202997952U (en) Power supply module of power distribution terminal

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Multi-user auxiliary power control system for communication

Effective date of registration: 20170822

Granted publication date: 20170308

Pledgee: Xi'an innovation financing Company limited by guarantee

Pledgor: SHAANXI XINTONG INTELLIGENT TECHNOLOGY CO.,LTD.

Registration number: 2017990000780

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20180913

Granted publication date: 20170308

Pledgee: Xi'an innovation financing Company limited by guarantee

Pledgor: SHAANXI XINTONG INTELLIGENT TECHNOLOGY CO.,LTD.

Registration number: 2017990000780

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Multi-user auxiliary power control system for communication

Effective date of registration: 20180913

Granted publication date: 20170308

Pledgee: Xi'an innovation financing Company limited by guarantee

Pledgor: SHAANXI XINTONG INTELLIGENT TECHNOLOGY CO.,LTD.

Registration number: 2018990000826

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20191018

Granted publication date: 20170308

Pledgee: Xi'an innovation financing Company limited by guarantee

Pledgor: SHAANXI XINTONG INTELLIGENT TECHNOLOGY CO.,LTD.

Registration number: 2018990000826

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Multi-user auxiliary power control system for communication

Effective date of registration: 20191021

Granted publication date: 20170308

Pledgee: Xi'an innovation financing Company limited by guarantee

Pledgor: SHAANXI XINTONG INTELLIGENT TECHNOLOGY CO.,LTD.

Registration number: Y2019990000370

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20201105

Granted publication date: 20170308

Pledgee: Xi'an innovation financing Company limited by guarantee

Pledgor: SHAANXI XINTONG INTELLIGENT TECHNOLOGY Co.,Ltd.

Registration number: Y2019990000370

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Multi user mutual power supply control system for communication

Effective date of registration: 20201106

Granted publication date: 20170308

Pledgee: Xi'an innovation financing Company limited by guarantee

Pledgor: SHAANXI XINTONG INTELLIGENT TECHNOLOGY Co.,Ltd.

Registration number: Y2020990001300

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230222

Granted publication date: 20170308

Pledgee: Xi'an innovation financing Company limited by guarantee

Pledgor: SHAANXI XINTONG INTELLIGENT TECHNOLOGY CO.,LTD.

Registration number: Y2020990001300

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Multi user mutual assistance power supply control system for communication

Effective date of registration: 20230303

Granted publication date: 20170308

Pledgee: Xi'an innovation financing Company limited by guarantee

Pledgor: SHAANXI XINTONG INTELLIGENT TECHNOLOGY CO.,LTD.

Registration number: Y2023610000147