CN110429703A - A kind of DC UPS module with internet - Google Patents
A kind of DC UPS module with internet Download PDFInfo
- Publication number
- CN110429703A CN110429703A CN201910751406.6A CN201910751406A CN110429703A CN 110429703 A CN110429703 A CN 110429703A CN 201910751406 A CN201910751406 A CN 201910751406A CN 110429703 A CN110429703 A CN 110429703A
- Authority
- CN
- China
- Prior art keywords
- circuit module
- module
- power
- internet
- external
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/248—UPS systems or standby or emergency generators
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The DC UPS module with internet that the invention discloses a kind of, including charging circuit module, seamless switching circuit module, discharge circuit module, microprocessor circuit module, wire communication circuit module and radio communication circuit module；The external dc power and battery can pass through discharge circuit module powering load；When the external dc power has electricity, external dc power power supply, by seamless switching circuit module, seamlessly switches to battery power supply by external dc power power supply, realizes uninterrupted power supply when external dc power power-off；The radio communication circuit module and wire communication circuit module realize the remote real-time monitoring of local and internet by cooperating with desktop computer, server and mobile terminal.DC UPS module of the invention is suitable as the backup power supply of industrial site, the normal work of equipment in the case of abnormal power failure such as protection industrial personal computer.
Description
Technical field
The present invention relates to a kind of field of circuit elements, specifically a kind of DC UPS module with internet.
Background technique
Direct current UPS, i.e., when external dc power has electricity, external dc power power supply is led to when external dc power power-off
Seamless switching circuit module is crossed, battery power supply is seamlessly switched to by external dc power power supply, realizes uninterrupted power supply.
However current DC UPS module, there is the disadvantages of having a single function, power consumption is high, without monitoring, being at high cost.
Summary of the invention
The DC UPS module with internet that the purpose of the present invention is to provide a kind of, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme:
A kind of DC UPS module with internet, including charging circuit module, seamless switching circuit module, put
Electric circuit module, microprocessor circuit module, wire communication circuit module and radio communication circuit module；The external dc
Power source supplying voltage is no more than 24V and powers to charging circuit module；The charging circuit module charges the battery；The outside
DC power supply and battery can pass through discharge circuit module powering load；When the external dc power has electricity, external dc
Power supply power supply by seamless switching circuit module, is powered seamless switching when external dc power power-off by external dc power
It powers to battery, realizes uninterrupted power supply；
Signal is fed back to microprocessor by the charging circuit module, seamless switching circuit module and discharge circuit module
Circuit module；The work of the control of microprocessor circuit module the radio communication circuit module and wire communication circuit module；Institute
Radio communication circuit module and wire communication circuit module is stated to realize by cooperating with desktop computer, server and mobile terminal
Local and internet remote real-time monitoring.
As a further solution of the present invention: the microprocessor circuit module and radio communication circuit module cooperate
Provide internet function.
As further scheme of the invention: the chip in the circuit of the charging circuit module is BQ24610 chip.
As further scheme of the invention: the chip in the circuit of the seamless switching circuit module uses PMOS tube
IRF9310 and diode SS54BF.
As further scheme of the invention: the radio communication circuit module uses WiFi technology.
As further scheme of the invention: the wire communication circuit module uses the RS232 communication technology.
As further scheme of the invention: the chip in the microprocessor circuit modular circuit uses
STM32F030C8T6 chip.
Compared with prior art, the beneficial effects of the present invention are: DC UPS module of the invention, is suitable as
The backup power supply of industrial site, the normal work of equipment in the case of abnormal power failure such as protection industrial personal computer.Pass through microprocessor electricity
Road module and communication circuit module, all data and setting battery power saving measure, battery protection measures in real-time monitoring circuit,
The intelligent functions such as temperature protection measure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the DC UPS module with internet.
Fig. 2 is the system block diagram of the DC UPS module with internet.
Fig. 3 is the circuit diagram of charging circuit module in the DC UPS module with internet.
Fig. 4 is the circuit diagram of seamless switching circuit module in the DC UPS module with internet.
Fig. 5 is the circuit diagram of discharge circuit module in the DC UPS module with internet.
Fig. 6 is the circuit diagram of microprocessor circuit module in the DC UPS module with internet.
Fig. 7 is the circuit diagram of radio communication circuit module in the DC UPS module with internet.
Fig. 8 is the circuit diagram of wire communication circuit module in the DC UPS module with internet.
In figure: 1- external dc power, 2- battery, 3- charging circuit module, 4- seamless switching circuit module, 5- electric discharge electricity
Road module, 6- microprocessor circuit module, 7- wire communication circuit module, 8- radio communication circuit module, 9- desktop computer,
10- server, 11- mobile terminal, 12- load.
Specific embodiment
Technical solution of the present invention is described in more detail With reference to embodiment.
Embodiment 1
Fig. 1-8 is please referred to, a kind of DC UPS module with internet, including charging electricity are present embodiments provided
Road module 3, seamless switching circuit module 4, discharge circuit module 5, microprocessor circuit module 6, wire communication circuit module 7 with
And radio communication circuit module 8；1 supply voltage of external dc power is no more than 24V and powers to charging circuit module 3；
The charging circuit module 3 charges to battery 2；External dc power 1 and battery 2 can be by discharge circuit modules 5 to load
12 power supplies；When the external dc power 1 has electricity, external dc power 1 is powered, and when external dc power 1 powers off, passes through nothing
Circuit module 4 is changed in seaming and cutting, seamlessly switches to battery 2 by the power supply of external dc power 1 and powers, realizes uninterrupted power supply；
Signal is fed back to micro- place by the charging circuit module 3, seamless switching circuit module 4 and discharge circuit module 5
Manage device circuit module 6；The microprocessor circuit module 6 controls radio communication circuit module 8 and wire communication circuit module 7
Work；The radio communication circuit module 8 and wire communication circuit module 7 by with desktop computer 9, server 10 and mobile
The local remote real-time monitoring with internet of the cooperation realization of terminal 11, real time monitoring input state, voltage, battery capacity, voltage,
Output state, voltage and load condition etc. can also realize battery power saving measure, battery protection measures, temperature protection measure
And the setting of the intelligent functions such as full-automatic shutdown in 24 hours.
The microprocessor circuit module 6 provides internet function with the mutual cooperation of radio communication circuit module 8.
Chip type in the circuit of the charging circuit module 3 is without restriction, in the present embodiment, it is preferred that described to fill
Chip in the circuit of electric circuit module 3 is BQ24610 chip, in this way, realize constant-current voltage-stabilizing charging, full of being automatically stopped
Charging.
Chip in the circuit of the seamless switching circuit module 4 uses PMOS tube IRF9310 and diode SS54BF,
When IRF9310 and SS54BF mutual cooperation disconnects external dc power 1, BAT cell voltage is passed through into bis- pole SS54BF first
Pipe, which is continued a journey, gives VSYS seamless power supply, and VIN is low within the time of Microsecond grade, and IRF9310 is opened, and BAT battery and VSYS connect completely
It connects, completes final power supply bumpless transfer operation.
The radio communication circuit module 8 uses WiFi technology.
The wire communication circuit module 7 uses the RS232 communication technology.
The working principle of the present embodiment is: 1 supply voltage of external dc power is no more than 24V and to charging circuit module 3
It powers, electricity a part on charging circuit module 3 charges to battery 2, and another part passes through discharge circuit module 5 and supplies to load 12
Electricity.When dispatch from foreign news agency power-off, by seamless switching circuit module 4, battery 2 is seamlessly switched to by the power supply of external dc power 1 and is powered,
Realize uninterrupted power supply.Charging circuit module 3, seamless switching circuit module 4 and discharge circuit module 5 feed back to signal micro-
Processor circuit module 6, microprocessor circuit module 6 control the work of radio communication circuit module 8 and wire communication circuit module 7
Make, radio communication circuit module 8 and wire communication circuit module 7 by with desktop computer 9, server 10 and mobile terminal 11
Cooperation real time monitoring input state, voltage, battery capacity, voltage, output state, voltage and load condition etc. can also be real
The intelligent functions such as existing battery power saving measure, battery protection measures, temperature protection measure and full-automatic shutdown in 24 hours are set
It sets.Microprocessor circuit module 6 is responsible for all scheduling and control of above-mentioned function.
Embodiment 2
The present embodiment is further improved on the basis of embodiment 1, improvements are as follows: the microprocessor circuit module
Chip type in 6 circuits is without restriction, in the present embodiment, it is preferred that the chip in 6 circuit of microprocessor circuit module
It using STM32F030C8T6 chip, chooses in this way, all scheduling and control of above-mentioned function can be responsible for.
Better embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be without departing from the purpose of the present invention
Various changes can be made.
Claims (7)
1. a kind of DC UPS module with internet, including charging circuit module (3), seamless switching circuit module
(4), discharge circuit module (5), microprocessor circuit module (6), wire communication circuit module (7) and radio communication circuit mould
Block (8)；External dc power (1) supply voltage is no more than 24V and powers to charging circuit module (3)；The charging electricity
Road module (3) charges to battery (2)；The external dc power (1) and battery (2) can be given by discharge circuit module (5)
Load (12) power supply；When the external dc power (1) has electricity, external dc power (1) power supply, when external dc power (1)
When power-off, by seamless switching circuit module (4), battery (2) power supply is seamlessly switched to by external dc power (1) power supply, it is real
Existing uninterrupted power supply；
It is characterized in that, the charging circuit module (3), seamless switching circuit module (4) and discharge circuit module (5) will be believed
Number feed back to microprocessor circuit module (6)；The microprocessor circuit module (6) control radio communication circuit module (8) and
The work of wire communication circuit module (7)；The radio communication circuit module (8) and wire communication circuit module (7) by with
Local and internet remote real-time monitoring is realized in desktop computer (9), server (10) and mobile terminal (11) cooperation.
2. the DC UPS module according to claim 1 with internet, which is characterized in that the microprocessor
Circuit module (6) and radio communication circuit module (8), which cooperate, provides internet function.
3. the DC UPS module according to claim 2 with internet, which is characterized in that the charging circuit
Chip in the circuit of module (3) is BQ24610 chip.
4. the DC UPS module according to claim 1 with internet, which is characterized in that the seamless switching
Chip in the circuit of circuit module (4) uses PMOS tube IRF9310 and diode SS54BF.
5. the DC UPS module according to claim 2 with internet, which is characterized in that the wireless communication
Circuit module (8) uses WiFi technology.
6. the DC UPS module according to claim 1 with internet, which is characterized in that the wire communication
Circuit module (7) uses the RS232 communication technology.
7. the DC UPS module according to claim 2 with internet, which is characterized in that the microprocessor
Chip in circuit module (6) circuit uses STM32F030C8T6 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910751406.6A CN110429703A (en) | 2019-08-15 | 2019-08-15 | A kind of DC UPS module with internet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910751406.6A CN110429703A (en) | 2019-08-15 | 2019-08-15 | A kind of DC UPS module with internet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110429703A true CN110429703A (en) | 2019-11-08 |
Family
ID=68414805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910751406.6A Pending CN110429703A (en) | 2019-08-15 | 2019-08-15 | A kind of DC UPS module with internet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110429703A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5990577A (en) * | 1996-11-01 | 1999-11-23 | Allied Telesis K. K. | Hub for local area network with backup power supply system |
| CN1941542A (en) * | 2005-09-30 | 2007-04-04 | 鸿富锦精密工业（深圳）有限公司 | Power-supplying circuit |
| CN102638073A (en) * | 2012-03-05 | 2012-08-15 | 浙江大学城市学院 | PEMFC (proton exchange membrane fuel cell) emergency power supply system |
| CN103162906A (en) * | 2013-01-22 | 2013-06-19 | 北京航空航天大学 | Device used for on-line monitoring dynamic balance of rotating machine |
| CN203691031U (en) * | 2013-12-31 | 2014-07-02 | 西安理工大学 | Uninterrupted DC power supply |
| CN205004827U (en) * | 2015-07-15 | 2016-01-27 | 浙江骐远智能科技有限公司 | A power management system for bicycle website |
| CN106648008A (en) * | 2016-12-13 | 2017-05-10 | 曙光信息产业(北京)有限公司 | Power supply system of blade server |
| CN209134130U (en) * | 2018-09-20 | 2019-07-19 | 北京聚利科技股份有限公司 | Trackside power supply system for antenna |
-
2019
- 2019-08-15 CN CN201910751406.6A patent/CN110429703A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5990577A (en) * | 1996-11-01 | 1999-11-23 | Allied Telesis K. K. | Hub for local area network with backup power supply system |
| CN1941542A (en) * | 2005-09-30 | 2007-04-04 | 鸿富锦精密工业（深圳）有限公司 | Power-supplying circuit |
| CN102638073A (en) * | 2012-03-05 | 2012-08-15 | 浙江大学城市学院 | PEMFC (proton exchange membrane fuel cell) emergency power supply system |
| CN103162906A (en) * | 2013-01-22 | 2013-06-19 | 北京航空航天大学 | Device used for on-line monitoring dynamic balance of rotating machine |
| CN203691031U (en) * | 2013-12-31 | 2014-07-02 | 西安理工大学 | Uninterrupted DC power supply |
| CN205004827U (en) * | 2015-07-15 | 2016-01-27 | 浙江骐远智能科技有限公司 | A power management system for bicycle website |
| CN106648008A (en) * | 2016-12-13 | 2017-05-10 | 曙光信息产业(北京)有限公司 | Power supply system of blade server |
| CN209134130U (en) * | 2018-09-20 | 2019-07-19 | 北京聚利科技股份有限公司 | Trackside power supply system for antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104333122B (en) | Power bus circuit | |
| CN102624082B (en) | Centralized power supply comprehensive intelligent control system for supplying power for indoor lighting system | |
| CN111775756A (en) | Light storage and charging micro-grid system and control method thereof | |
| CN103296738B (en) | A kind of dual standby economizing type DC power-supply system | |
| CN103051042A (en) | Direct current uninterruptible power supply | |
| CN205172996U (en) | Electric fan with portable power source | |
| CN205195359U (en) | New uninterrupted power source | |
| CN107069790A (en) | The system and method that a kind of synthesis energy saving is powered | |
| CN102244413A (en) | Automatic maintenance device for standby battery of uninterruptible power system (UPS) | |
| CN201177349Y (en) | Air conditioner controller and air conditioner system | |
| CN107863818A (en) | A kind of uninterrupted multi-channel DC output switch power source of intelligent integral | |
| CN201247966Y (en) | On-line interactive non-deenergize device and charger | |
| CN207994719U (en) | A kind of UPS management system | |
| CN103166294B (en) | Distributed backup battery management system and corresponding electronic system | |
| CN202550648U (en) | Power adapter with function of electric energy storage | |
| CN104617652A (en) | Battery supply device of portable terminal | |
| CN202042943U (en) | Uninterruptible power supply (UPS) alternating current dual input device | |
| CN209088619U (en) | A kind of uninterruptible power system | |
| CN203301212U (en) | Dual standby saving type DC power supply system | |
| CN207977740U (en) | Miniature data center's power supply system | |
| CN110943476A (en) | Multi-stage UPS parallel distributed control system and wiring circuit thereof | |
| CN206237192U (en) | A kind of power communication power-supply system | |
| CN110429703A (en) | A kind of DC UPS module with internet | |
| CN114977507A (en) | Power distribution device and power supply device for base station | |
| CN102163870A (en) | Power-saving uninterrupted power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191108 |
|
| RJ01 | Rejection of invention patent application after publication |