CN206878552U - It is a kind of that there is the end power-supply system for exchanging uninterrupted output function - Google Patents
It is a kind of that there is the end power-supply system for exchanging uninterrupted output function Download PDFInfo
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- CN206878552U CN206878552U CN201720809733.9U CN201720809733U CN206878552U CN 206878552 U CN206878552 U CN 206878552U CN 201720809733 U CN201720809733 U CN 201720809733U CN 206878552 U CN206878552 U CN 206878552U
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Abstract
It the utility model is related to a kind of end power-supply system for having and exchanging uninterrupted output function, including cast aluminum casings, charging module is provided with cast aluminum casings, monitoring module, DC distribution module, AC distribution module, lithium battery group, inversion module and communication module, charging module and the inversion module electrically connect with city respectively, monitoring module and the DC distribution module are connected with the charging module respectively, DC distribution module, inversion module, communication module and lithium battery group are connected with monitoring module respectively, lithium battery group is also connected with DC distribution module, AC distribution module is connected with inversion module, DC distribution module is also connected with inversion module.The traffic load that the utility model can exchange communication equipment for 220V provides uninterrupted power source guarantee, while has battery charging and discharging management function, small volume, is easily installed, occupation mode is flexible and changeable, and cost can be greatly reduced, easy to maintenance.
Description
Technical field
It the utility model is related to a kind of power supply, more particularly to a kind of end power supply system with the uninterrupted output function of exchange
System.
Background technology
A large amount of construction of various WLAN websites, the continuous change of BBU and RRU power supply modes and power supply quality, the work of website
Make the real construction situation such as the greatest differences of environment, its power supply power supply reliability, technical advance, economy etc. are proposed compared with
It is big to require.
The problem of original power supply mode is present：DC remote power supply construction cost is high, traditional UPS and lead-acid accumulator scheme
Short life, failure are more at high temperature, monitor missing and be inconvenient to install, it is impossible to well adapt to outdoor adverse circumstances, power supply kind
Class is various can not to realize rationally effective management.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, it can be that 220V exchanges the logical of communication equipment that the utility model, which provides,
Letter load provides uninterrupted power source guarantee, while has battery charging and discharging management, the alternating current-direct current one of the uninterrupted output function of exchange
Body end power-supply system, the power-supply system compact, it is easily installed, occupation mode is flexible and changeable, and cost can be greatly reduced,
It is easy to maintenance.
Technical scheme is used by the utility model：
A kind of have the end power-supply system for exchanging uninterrupted output function, including a cast aluminum casings, in the cast aluminum casings
Provided with charging module, monitoring module, DC distribution module, AC distribution module, lithium battery group, inversion module and communication module,
The charging module and the inversion module electrically connect with city respectively, the monitoring module and the DC distribution module respectively with
The charging module connection, the DC distribution module, the inversion module, the communication module and lithium battery group difference
It is connected with the monitoring module, the lithium battery group is also connected with the DC distribution module, the AC distribution module and institute
Inversion module connection is stated, the DC distribution module is also connected with the inversion module.
Further, the charging module includes the first surge restraint circuit, the first PFC boost electricity being sequentially connected in series
Road, DC-DC semi-bridge alternations circuit and the first output rectifier and filter, first surge restraint circuit is by the first auxiliary electricity
Source is connected with the first PFC boost control and protection circuit, DC-DC semi-bridge alternations control and protection circuit respectively, the first PFC
Boosting rectifier control and protection circuit are connected with the first PFC boost circuit, DC-DC semi-bridge alternations control and protection circuit with
The DC-DC semi-bridge alternations circuit connection, the output end of the output rectifier and filter are controlled and protected with DC-DC semi-bridge alternations
Protection circuit is connected, and the DC-DC semi-bridge alternations control and protection circuit are also connected with host communication interface.
Further, the inversion module includes the second surge restraint circuit, the DC-DC booster circuit being sequentially connected in series
With the second output rectifier and filter, second surge restraint circuit by the second accessory power supply and DC-DC boosting rectifier controls and
Protection circuit is connected, and the DC-DC boosting rectifier controls and protection circuit are connected with the DC-DC booster circuit, first output
The output end of current rectifying and wave filtering circuit is connected with DC-DC boosting rectifier controls and protection circuit,
Further, the inversion module also includes the 3rd surge restraint circuit, the second PFC boost being sequentially connected in series
Circuit, DC-AC full bridge inverters and output LC filter circuits, the 3rd surge restraint circuit is by the 3rd accessory power supply point
It is not connected with the control of the second PFC boost and protection circuit and the control of DC-AC full-bridge invertings and protection circuit；The 2nd PFC liters
Voltage-controlled system and protection circuit are connected with the second PFC boost circuit, the DC-AC full-bridge invertings control and protection circuit and institute
The connection of DC-AC full bridge inverters is stated, the output end of the output LC filter circuits controls and protected electricity with DC-AC full-bridge invertings
Road connects；The output end of the output rectifier and filter is also connected with the DC-AC full bridge inverters.
Further, the monitoring module include MCU module, power supply module, civil power detection module, charging detecting model,
Cell measurement block, cell load control module, dry contact control module, human-computer interaction module, communication module and clock module,
The power supply module is used to power to MCU module, and the civil power detection module is used to gather the magnitude of voltage of civil power and transmitted to institute
MCU module is stated, the charging detecting model is used to gather charging module output voltage and current value and transmit to the MCU moulds
Block, the cell measurement block are used to gather battery charging and discharging current value and transmit to the MCU module, the MCU module to use
The collection signal of coming is transmitted in receiving civil power detection module, charging detecting model, cell measurement block, cell load control module
And handle, the cell load control module is used to control battery low-voltage variation, and the dry contact control module is used to controlling dry
Contact output state, the human-computer interaction module be used for show civil power magnitude of voltage, charging module output voltage and current value and
Battery charging and discharging current value or modification system information, the communication module are used to realize MCU module and host computer signal of communication
Conversion, the clock module are used to gathering or setting current time.
Further, the AC distribution module includes 1 tunnel single phase ac input circuit and 2 tunnels exchange output loop.
Further, the DC distribution module includes 1 road battery input circuit.
Further, the communication module includes 485 communicating circuits, and 485 communicating circuit is used to supervise with dynamic environment
Remote monitoring is realized in control main frame connection.
Further, the MCU module uses single-chip microcomputer.
Compared with prior art, the beneficial effects of the utility model are：
The utility model, using AC input modes, is provided simultaneously with electricity using STM32F103VCT6 single-chip microcomputers as control centre
The ability of pond management of charging and discharging function and the uninterrupted alternating current 220V of output, by external standby lithium battery group, meet that 220V is exchanged
The load equipment uninterrupted power supply requirement of input；The utility model, can using the hermetically sealed cast aluminium shell of charging inversion integration
Wall hanging is installed and pole installation, is easily installed so that the power-supply system possesses high intelligence, high reliability, high efficiency, high protection etc.
Level the characteristics of, be Integrated access scene, interior or outdoor distribution and stretch system, mobile base station and coverage extension system,
WLAN, light current computer room and other capital equipments for needing to exchange in the environment of uninterrupted power supply provide reliable power supply guarantee,
Various requirement of Centralized Monitoring, battery maintenance and intelligent management, small size, light structure, portable installation etc. is met simultaneously；The electricity
The compatible ferric phosphate lithium cell of source system and lead-acid accumulator, it can be applied to signal and strengthen covering and signal blind compensating, it is necessary to open air
Wall hanging is installed and the region of outdoor pole installation；The utility model can be with power by RS485 telecommunication circuits using monitoring module
Environmental monitoring system docks, and the working condition and data message of equipment can be passed through on the dynamic environment monitoring main frame in base station
Surveillance center is passed to, realize Distant supervision and control of the user to equipment, realize the management upgrade and function of power-supply system
Innovation so that system reliability, flexibility, simplicity etc. greatly increase, and reduce construction and maintenance cost, while saved sky
Between resource, expanded the solution of the uninterruption power source of communication equipment.
Brief description of the drawings
Fig. 1 is the overall structure block diagram of the utility model embodiment；
Fig. 2 is the charging module structural representation of the utility model embodiment；
Fig. 3 is the inversion module structural representation of the utility model embodiment；
Fig. 4 is the monitoring module structural representation of the utility model embodiment；
Wherein, 1, civil power, 2, charging module, 3, monitoring module, 4,5, lithium battery group, 6, inversion module, 7, AC distribution
Module, 8, cast aluminum casings, 9, communication module, 10, dynamic environment monitoring main frame, the 11, first surge restraint circuit, the 12, the first PFC
Booster circuit, 13, DC-DC semi-bridge alternation circuits, the 14, first output rectifier and filter, the 15, first accessory power supply, 16, first
PFC boost controls and protection circuit, 17, the control of DC-DC semi-bridge alternations and protection circuit, the 18, second surge restraint circuit, 19,
DC-DC booster circuit, the 20, second output rectifier and filter, the 21, second accessory power supply, 22, DC-DC boosting rectifier controls and protection
Circuit, the 23, the 3rd surge restraint circuit, the 24, second PFC boost circuit, 25, DC-AC full bridge inverters, 26, output LC filters
Wave circuit, the 27, the 3rd accessory power supply, the control of the 28, second PFC boost and protection circuit, 29, the control of DC-AC full-bridge invertings and guarantor
Protection circuit, 30, MCU module, 31, power supply module, 32, civil power detection module, 33, cell load control module, 34, charging detection
Module, 35, cell measurement block, 36, dry contact control module, 37, communication module, 38, human-computer interaction module, 39, clock mould
Block.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, present embodiments provide a kind of end power-supply system for having and exchanging uninterrupted output function, Su Song
End power-supply system includes cast aluminum casings 8, and charging module 2, monitoring module 3, DC distribution module are provided with the cast aluminum casings 8
4th, AC distribution module 7, lithium battery group 5, inversion module 6 and communication module 9, charging module 2 and the inversion module 6 respectively with
Civil power 1 is connected, and monitoring module 3 and the DC distribution module 4 are connected with the charging module 2 respectively, DC distribution module 4,
Inversion module 6, communication module 9 and lithium battery group 5 are connected with monitoring module 3 respectively, lithium battery group 5 also with DC distribution module 4
Connection, AC distribution module 7 are connected with inversion module 6, and DC distribution module 4 is also connected with inversion module 6.
In the present embodiment, the application is by charging module 2, monitoring module 3, DC distribution module 4, AC distribution module 7, lithium
Battery pack 5, inversion module 6 and communication module 9 are installed concentratedly in cast aluminum casings 8 so that and the volume of overall power system reduces,
The cast aluminum casings 8 can use wall hanging installation and pole mounting means, be Integrated access scene, interior or outdoor distribution and extension
System, mobile base station and coverage extension system, WLAN, light current computer room and other need exchange uninterrupted power supply environment in
Capital equipment provides reliable power supply guarantee；Charging module 2 be 220V inversion of direct current -48V high frequency switch power, inversion module 6
It is the sinewave inverter that 220V50HZ power is 1500W for -48V DC inversions, monitoring module 3 uses STM32F103VCT6
Single-chip microcomputer exchanges output loop as Surveillance center, AC distribution module 7 equipped with 1 tunnel single phase ac input circuit and 2 tunnels；Directly
Power entry module 4 is flowed equipped with 1 road battery input circuit；Communication module includes 485 communicating circuits, 485 communicating circuits be used for
Remote monitoring is realized in the connection of dynamic environment monitoring main frame 10；Battery ferric phosphate lithium cell and lead acid storage battery can be used in lithium battery group
Pond.
As shown in Fig. 2 a kind of optional embodiment of the application, charging module 2 includes first be sequentially connected in series
Surge restraint circuit 11, the first PFC boost circuit 12, DC-DC semi-bridge alternations circuit 13 and the first output rectifier and filter 14,
First surge restraint circuit 11 includes electromagnetic interface filter and surge restraint circuit, and the first surge restraint circuit 11 is by the first auxiliary
Power supply 15 is connected with the first PFC boost control and protection circuit 16, DC-DC semi-bridge alternations control and protection circuit 17 respectively, the
One PFC boost is controlled and protection circuit 16 is connected with the first PFC boost circuit 12, the control of DC-DC semi-bridge alternations and protection
Circuit 17 is connected with DC-DC semi-bridge alternations circuit 13, output end and the DC-DC semi-bridge alternations of the first output rectifier and filter 14
Control and protection circuit 17 connect, and the control of DC-DC semi-bridge alternations and protection circuit 17 are connected to the logical of dynamic environment monitoring main frame
Believe interface.
Charging module 2 uses PFC+ half-bridge topologies, and its operation principle is：The first surge restraint circuit 11 is passed through in exchange input
After filtering, by the first PFC boost circuit 12 carry out PFC, while input voltage be adjusted to direct current 360~
400V is as half-bridge input power, then -48V the DC voltages needed by DC-DC semi-bridge alternations circuit 13；Turn in voltage
The overall process changed, charging module 2 carry out real-time Communication for Power with dynamic environment monitoring main frame.
As shown in figure 3, a kind of optional embodiment of the application, inversion module 6 include：When 48V is inputted, it is sequentially connected in series
The second surge restraint circuit 18, the output rectifier and filter 20 of DC-DC booster circuit 19 and second of connection, the second Surge suppression
Circuit 18 includes electromagnetic interface filter and surge restraint circuit, and the second surge restraint circuit 18 passes through the second accessory power supply 21 and DC-DC
Boosting rectifier control and protection circuit 22 are connected, and DC-DC boosting rectifier controls and protection circuit 22 are connected with DC-DC booster circuit 19, output
The output end of current rectifying and wave filtering circuit 20 is connected with DC-DC boosting rectifier controls and protection circuit 22；When 220V is inputted, including it is sequentially connected in series
The 3rd surge restraint circuit 23, the second PFC boost circuit 24, DC-AC full bridge inverters 25 and the output LC filtered electricals of connection
Road 26, the 3rd surge restraint circuit 23 include electromagnetic interface filter and surge restraint circuit, and the 3rd surge restraint circuit 23 passes through
3rd accessory power supply 27 is controlled respectively with the second PFC boost and protection circuit 28 and the control of DC-AC full-bridge invertings and protection circuit
29 connections；The second PFC boost control and protection circuit 28 are connected with the second PFC boost circuit 24, and the DC-AC is complete
Bridge inversion control and protection circuit 29 are connected with the DC-AC full bridge inverters 25, the output LC filter circuits 26 it is defeated
Go out end to be connected with the control of DC-AC full-bridge invertings and protection circuit 29；The output end of the output rectifier and filter 20 also with institute
DC-AC full bridge inverters 25 are stated to connect.
Inversion module 6 provides uninterrupted alternating current 220V for load always.
As shown in figure 4, a kind of optional embodiment of the application, the monitoring module 3 includes MCU module 30, power supply
Module 31, civil power detection module 32, charging detecting model 34, cell measurement block 35, cell load control module 33, dry contact
Control module 36, human-computer interaction module 38, communication module 37 and clock module 39, power supply module 31, civil power detection module 32, fill
Electro-detection module 34, cell measurement block 35, cell load control module 33, dry contact control module 36, human-computer interaction module
38th, communication module 37 and clock module 39 are connected with MCU module 30 respectively, and MCU module 30 uses STM32F103VCT6 monolithics
Machine, next adopt is transmitted for receiving civil power detection module, charging detecting model, cell measurement block, cell load control module
Collection signal is simultaneously handled, and power supply module 31 is used to power to MCU module, and civil power detection module 32 is for gathering the magnitude of voltage of civil power simultaneously
Transmit to the MCU module, charging detecting model 34 is used to gather charging module output voltage and current value and transmit to described
MCU module, cell measurement block 35 are used to gather battery charging and discharging current value and transmit to the MCU module, cell load control
Molding block 32 is used to control battery low-voltage variation, and the dry contact control module 36 is used to control dry contact output state, described
Human-computer interaction module 38 is used for magnitude of voltage, charging module output voltage and the current value and battery charging and discharging current value for showing civil power
Or modification systematic parameter, the communication module 37 are used to realize MCU module and the conversion of host computer signal of communication, the clock mould
Block 39 is used to gathering or setting current time.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (9)
1. a kind of have the end power-supply system for exchanging uninterrupted output function, including cast aluminum casings, it is characterized in that, the cast aluminium
Charging module, monitoring module, DC distribution module, AC distribution module, lithium battery group, inversion module and communication are provided with housing
Module, the charging module and the inversion module electrically connect with city respectively, the monitoring module and the DC distribution module
It is connected respectively with the charging module, the DC distribution module, the inversion module, the communication module and the lithium battery
Group is connected with the monitoring module respectively, and the lithium battery group is also connected with the DC distribution module, the AC distribution mould
Block is connected with the inversion module, and the DC distribution module is also connected with the inversion module.
2. a kind of end power-supply system with the uninterrupted output function of exchange according to claim 1, it is characterized in that, institute
State the first surge restraint circuit, the first PFC boost circuit, DC-DC the semi-bridge alternations electricity that charging module includes being sequentially connected in series
Road and the first output rectifier and filter, first surge restraint circuit by the first accessory power supply respectively with the first PFC liters
Voltage-controlled system and protection circuit, the control of DC-DC semi-bridge alternations and protection circuit connection, the first PFC boost control and protection electricity
Road is connected with the first PFC boost circuit, the DC-DC semi-bridge alternations control and protection circuit and the bridgings of DC-DC half
Circuit connection is changed, output end and DC-DC the semi-bridge alternations control of the output rectifier and filter and protection circuit are connected, described
DC-DC semi-bridge alternations are controlled and protection circuit is also connected with host communication interface.
3. a kind of end power-supply system with the uninterrupted output function of exchange according to claim 2, it is characterized in that, institute
State the second surge restraint circuit, DC-DC booster circuit and the second output rectification filter that inversion module includes being sequentially connected in series
Circuit, second surge restraint circuit is connected by the second accessory power supply with DC-DC boosting rectifier controls and protection circuit, described
DC-DC boosting rectifier controls and protection circuit are connected with the DC-DC booster circuit, the output of first output rectifier and filter
End is connected with DC-DC boosting rectifier controls and protection circuit.
4. a kind of end power-supply system with the uninterrupted output function of exchange according to claim 3, it is characterized in that, institute
State the 3rd surge restraint circuit, the second PFC boost circuit, DC-AC full-bridge invertings that inversion module also includes being sequentially connected in series
Circuit and output LC filter circuits, the 3rd surge restraint circuit by the 3rd accessory power supply respectively with the second PFC boost control
System and protection circuit connect with the control of DC-AC full-bridge invertings and protection circuit；Second PFC boost control and protection circuit with
The second PFC boost circuit connection, the DC-AC full-bridge invertings control and protection circuit and DC-AC full-bridge invertings electricity
Road is connected, and output end and DC-AC the full-bridge invertings control of the output LC filter circuits and protection circuit are connected；The output is whole
The output end of stream filter circuit is also connected with the DC-AC full bridge inverters.
5. a kind of end power-supply system with the uninterrupted output function of exchange according to claim 1, it is characterized in that, institute
Monitoring module is stated to bear including MCU module, power supply module, civil power detection module, charging detecting model, cell measurement block, battery
Control module, dry contact control module, human-computer interaction module, communication module and clock module are carried, the power supply module is used to give
MCU module is powered, and the civil power detection module is used to gather the magnitude of voltage of civil power and transmitted to the MCU module, the charging
Detection module is used to gather charging module output voltage and current value and transmit to the MCU module, the cell measurement block
For gathering battery charging and discharging current value and transmitting to the MCU module, the MCU module be used to receiving civil power detection module,
The next collection signal of charging detecting model, cell measurement block, the transmission of cell load control module is simultaneously handled, the cell load
Control module is used to control battery low-voltage variation, and the dry contact control module is used to control dry contact output state, the people
Machine interactive module be used for show civil power magnitude of voltage, charging module output voltage and current value and battery charging and discharging current value or
System information is changed, the communication module is used to realize MCU module and the conversion of host computer signal of communication, and the clock module is used for
Collection sets current time.
6. a kind of end power-supply system with the uninterrupted output function of exchange according to claim 1, it is characterized in that, institute
State AC distribution module and include 1 tunnel single phase ac input circuit and 2 tunnels exchange output loop.
7. a kind of end power-supply system with the uninterrupted output function of exchange according to claim 1, it is characterized in that, institute
Stating DC distribution module includes 1 road battery input circuit.
8. a kind of end power-supply system with the uninterrupted output function of exchange according to claim 1, it is characterized in that, institute
Stating communication module includes 485 communicating circuits, and 485 communicating circuit is used to be connected the long-range prison of realization with dynamic environment monitoring main frame
Control.
9. a kind of end power-supply system with the uninterrupted output function of exchange according to claim 5, it is characterized in that, institute
State MCU module and use single-chip microcomputer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809733.9U CN206878552U (en) | 2017-07-05 | 2017-07-05 | It is a kind of that there is the end power-supply system for exchanging uninterrupted output function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809733.9U CN206878552U (en) | 2017-07-05 | 2017-07-05 | It is a kind of that there is the end power-supply system for exchanging uninterrupted output function |
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| Publication Number | Publication Date |
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| CN206878552U true CN206878552U (en) | 2018-01-12 |
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ID=61332284
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| CN201720809733.9U Active CN206878552U (en) | 2017-07-05 | 2017-07-05 | It is a kind of that there is the end power-supply system for exchanging uninterrupted output function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034502A (en) * | 2019-05-22 | 2019-07-19 | 深圳市华益电气有限责任公司 | A kind of Novel outdoor communication equipment power supply unit |
| CN110601286A (en) * | 2019-08-27 | 2019-12-20 | 徐州华琅自动化设备有限公司 | Charger controller with function of preventing overcharge and charge insufficiency |
| CN111740490A (en) * | 2020-07-30 | 2020-10-02 | 山东超越数控电子股份有限公司 | Direct current output device supporting alternating current-direct current redundant input |
| CN112086954A (en) * | 2020-09-29 | 2020-12-15 | 东莞铭普光磁股份有限公司 | Intelligent direct-current power distribution device, power distribution method and electronic equipment |
-
2017
- 2017-07-05 CN CN201720809733.9U patent/CN206878552U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034502A (en) * | 2019-05-22 | 2019-07-19 | 深圳市华益电气有限责任公司 | A kind of Novel outdoor communication equipment power supply unit |
| CN110601286A (en) * | 2019-08-27 | 2019-12-20 | 徐州华琅自动化设备有限公司 | Charger controller with function of preventing overcharge and charge insufficiency |
| CN111740490A (en) * | 2020-07-30 | 2020-10-02 | 山东超越数控电子股份有限公司 | Direct current output device supporting alternating current-direct current redundant input |
| CN112086954A (en) * | 2020-09-29 | 2020-12-15 | 东莞铭普光磁股份有限公司 | Intelligent direct-current power distribution device, power distribution method and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Terminal power supply system with AC uninterruptible output function Effective date of registration: 20211108 Granted publication date: 20180112 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: SHANDONG ZHAOYU ELECTRONICS CO.,LTD. Registration number: Y2021980012040 |
|
| 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: 20221103 Granted publication date: 20180112 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: SHANDONG ZHAOYU ELECTRONICS CO.,LTD. Registration number: Y2021980012040 |
|
| 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 utility model: A terminal power supply system with AC uninterruptible output function Effective date of registration: 20221109 Granted publication date: 20180112 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: SHANDONG ZHAOYU ELECTRONICS CO.,LTD. Registration number: Y2022980021274 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |