CN106253452A - Solar recharging uninterrupted power supply(ups) for power equipment - Google Patents
Solar recharging uninterrupted power supply(ups) for power equipment Download PDFInfo
- Publication number
- CN106253452A CN106253452A CN201610699379.9A CN201610699379A CN106253452A CN 106253452 A CN106253452 A CN 106253452A CN 201610699379 A CN201610699379 A CN 201610699379A CN 106253452 A CN106253452 A CN 106253452A
- Authority
- CN
- China
- Prior art keywords
- circuit
- input
- power supply
- outfan
- electrically connected
- 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
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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
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention belongs to the technical field that power equipment is powered, be specifically related to a kind of solar recharging uninterrupted power supply(ups) for power equipment；Solve the technical problem that for: a kind of uninterrupted power supply(ups) that ensure that power equipment runs continually and steadily is provided；The technical scheme used is: including: housing, described housing is provided with power supply input adapter and power supply out splice going splice, it is provided with circuit board in described housing, circuit board is provided with input circuit, transformator, switching circuit, accumulator, output circuit, failure monitoring circuit and governor circuit, power supply input adapter is electrically connected with input circuit, input circuit is electrically connected with switching circuit by transformator, switching circuit is also electrically connected with accumulator, input circuit is connected with failure monitoring circuit electrical, failure monitoring circuit is electrically connected with governor circuit, governor circuit is electrically connected with switching circuit, switching circuit is electrically connected with power supply out splice going splice by output circuit；The present invention is applicable to power department.
Description
Technical field
The invention belongs to the technical field that power equipment is powered, be specifically related to a kind of solar recharging for power equipment
Uninterrupted power supply(ups).
Background technology
In power system, the reliability service of power equipment has vital meaning, it is ensured that power equipment is continual and steady
Work be one of the essential condition of power equipment reliability service, stably power and be the continual and steady work of power equipment
Basic guarantee.Under normal circumstances, power equipment is all that the mode using on-the-spot power taking carrys out startup optimization, therefore, and power equipment system
Often there is the accident that power supply breaks down, whole system cannot be properly functioning in system, comes particularly with outdoor power equipment
Saying, once power supply power-off do not have follow-up electric energy to supply, power system will be affected by the most serious.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, technical problem to be solved to be: provide one to ensure that electricity
Power equipment runs and can utilize the uninterrupted power supply(ups) that solar energy is charged continually and steadily.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: for the solar recharging of power equipment
Uninterrupted power supply(ups), including: housing, described housing is provided with power supply input adapter, power supply out splice going splice and photovoltaic
Plate, is provided with circuit board in described housing, described circuit board is provided with input circuit, transformator, switching circuit, accumulator, output
Circuit, failure monitoring circuit, governor circuit, charging circuit and battery charge/discharge protection circuit, described power supply input adapter and institute
Stating the input electrical connection of input circuit, the outfan of described input circuit is by described transformator and described switching circuit
Input is electrically connected, and the input of described switching circuit is also electrically connected with the outfan of described accumulator, described charged electrical
The input on road is electrically connected with the outfan of described input circuit, the outfan of described solar energy photovoltaic panel and described charged electrical
The input electrical connection on road, the outfan of described charging circuit is electrically connected with the input of described accumulator, described electric power storage
The input in pond is also electrically connected with the outfan of described battery charge/discharge protection circuit, the outfan of described input circuit and institute
State the input electrical connection of failure monitoring circuit, the outfan of described failure monitoring circuit and the input of described governor circuit
Electrical connection, the input electrical connection of the outfan of described governor circuit and described switching circuit, described switching circuit defeated
Go out end to be electrically connected with described power supply out splice going splice by described output circuit.
Alternatively, described housing being additionally provided with charge port, described charge port electrically connects with the input of described charging circuit
Connect.
Alternatively, described circuit board being additionally provided with input protection circuit, the outfan of described input protection circuit is with described
The input electrical connection of input circuit.
Alternatively, described input protection circuit includes: impact protection circuit, overvoltage crowbar, current foldback circuit and
Short-circuit protection circuit.
Alternatively, described circuit board being additionally provided with input isolation circuit, the input of described input isolation circuit is with described
The outfan electrical connection of input circuit, the outfan of described input isolation circuit electrically connects with the input of described transformator
Connect.
Alternatively, described circuit board being additionally provided with output isolation circuit, the input of described output isolation circuit is with described
The outfan electrical connection of switching circuit, the outfan of described output isolation circuit electrically connects with the input of described output circuit
Connect.
Alternatively, described housing being additionally provided with main switch, described main switch electrically connects with the input of described governor circuit
Connect.
Alternatively, described housing is additionally provided with display screen, described circuit board is additionally provided with display control circuit, described display
The input of control circuit is electrically connected with the outfan of described governor circuit, and the outfan of described display control circuit is with described
The input electrical connection of display screen.
Alternatively, described circuit board is additionally provided with control chip, the input of described control chip and described accumulator
Outfan is electrically connected, and the outfan of described control chip is electrically connected with the input of described display screen.
The present invention compared with prior art has the advantages that
1, under normal condition, supply line is switched to include power supply input adapter, input circuit, transformator by switching circuit
This circuit, electric energy is gone through switching circuit by this circuit and is flowed to output circuit, then exported to outside by power supply out splice going splice
Electrical equipment, failure monitoring circuit monitors the state of electric energy transmission in real time, and monitored results is passed to governor circuit, when just
When extremely can not being normally powered for power equipment occurs in normal electric energy transmission, governor circuit controls switching circuit by supply lines
Road switches to battery-driven circuit, accumulator persistently power to power equipment, it is ensured that power equipment continual and steady
Run；The present invention is additionally provided with solar energy photovoltaic panel on housing, is also provided with charging circuit and battery charge and discharge on circuit boards
Electric protection circuit, under normal power supply state, electric current can flow to charging circuit from input circuit and be charged to accumulator, and battery fills
The charging and discharging state of accumulator is then protected by discharge protection circuit, after the electricity of accumulator is full of, is automatically stopped charging, prolongs
Having grown the life-span of accumulator, during as this uninterrupted power supply(ups) is applied to outdoor power equipment, solar energy photovoltaic panel absorbs too
After sun energy, it is charged to accumulator by charging circuit, it is to avoid the meaning that normal power supply is abnormal, accumulator electric-quantity is used up
Outward, properly functioning having obtained making power equipment further ensures；Additionally, all power supply circuits are integrated in one by the present invention
Rising, small volume, be convenient for carrying, practicality is extremely strong.
2, the present invention is also mounted with charge port on housing, by this charge port, can enter for accumulator the most at any time
Row charging, adds another charging modes, improves the use motility of supply unit.
3, the present invention adds input protection circuit at the input of electric energy, makes subsequent conditioning circuit avoid impact, overvoltage, mistake
Stream, the injury of short circuit, protect the normal work of whole power circuit.
4, the present invention is respectively provided with input isolation circuit and output isolation circuit at electrical energy inputs and electric energy output end,
Further enhance the protective effect to whole power circuit, improve its work efficiency.
5, the present invention is provided with main switch on housing, when needs use this supply unit, opens main switch, when being not required to
When using this supply unit, then close main switch, during additionally, abnormal conditions occur, supply unit operation can be stopped by a key, and
Time protection internal circuit, there is the strongest practicality.
6, the present invention is mounted with display screen on housing, for showing the charge and discharge of the switching state of supply line, accumulator
Electricity condition and dump energy situation, enable staff to be visually known the behaviour in service of this uninterrupted power supply(ups).
Accompanying drawing explanation
The present invention will be further described in detail below in conjunction with the accompanying drawings.
The outside of the solar recharging uninterrupted power supply(ups) for power equipment that Fig. 1 provides for the embodiment of the present invention one
Structural representation；
The circuit structure of the solar recharging uninterrupted power supply(ups) for power equipment that Fig. 2 provides for the embodiment of the present invention one
Schematic diagram；
The circuit structure of the solar recharging uninterrupted power supply(ups) for power equipment that Fig. 3 provides for the embodiment of the present invention two
Schematic diagram；
The circuit structure of the solar recharging uninterrupted power supply(ups) for power equipment that Fig. 4 provides for the embodiment of the present invention three
Schematic diagram；
In figure: 1 is housing, 2 is power supply input adapter, and 3 is power supply out splice going splice, and 4 is charge port, and 5 is main switch, and 6 is the sun
Energy photovoltaic panel, 7 is display screen, and 101 is input circuit, and 102 is transformator, and 103 is switching circuit, and 104 is accumulator, and 105 are
Output circuit, 106 is failure monitoring circuit, and 107 is governor circuit, and 108 is charging circuit, and 109 is battery charging and discharging protection electricity
Road, 110 is input protection circuit, and 1101 is impact protection circuit, and 1102 is overvoltage crowbar, and 1103 is overcurrent protection electricity
Road, 1104 is short-circuit protection circuit, and 111 is input isolation circuit, and 112 is output isolation circuit, and 113 is display control circuit,
114 is control chip.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention rather than whole embodiments；Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
The outside of the solar recharging uninterrupted power supply(ups) for power equipment that Fig. 1 provides for the embodiment of the present invention one
Structural representation, as it is shown in figure 1, for the solar recharging uninterrupted power supply(ups) of power equipment, it may include: housing 1, described
Power supply input adapter 2, power supply out splice going splice 3 and solar energy photovoltaic panel 6 can be provided with on housing 1, in described housing 1, circuit can be provided with
Plate.
Specifically, described housing 1 also can be provided with main switch 5.
In the present embodiment, described power supply input adapter 2 and power supply out splice going splice 3 can be all the seal nipple of water proof and dust proof.
The circuit of the solar recharging uninterrupted power supply(ups) for power equipment that Fig. 2 provides for the embodiment of the present invention one
Structural representation, as in figure 2 it is shown, can be provided with input circuit 101, transformator 102, switching circuit 103, electric power storage on described circuit board
Pond 104, output circuit 105, failure monitoring circuit 106, governor circuit 107, charging circuit 108 and battery charge/discharge protection circuit
109, described power supply input adapter 2 is electrically connected with the input of described input circuit 101, the output of described input circuit 101
The input by described transformator 102 with described switching circuit 103 is held to be electrically connected, the input of described switching circuit 103
The also outfan with described accumulator 104 is electrically connected, the input of described charging circuit 108 and described input circuit 101
Outfan is electrically connected, and the outfan of described solar energy photovoltaic panel 6 is electrically connected with the input of described charging circuit 108, institute
Stating the outfan of charging circuit 108 and the input electrical connection of described accumulator 104, the input of described accumulator 104 is also
It is electrically connected with the outfan of described battery charge/discharge protection circuit 109, the outfan of described input circuit 101 and described fault
The input electrical connection of supervisory circuit 106, the outfan of described failure monitoring circuit 106 is defeated with described governor circuit 107
Enter end electrical connection, the input electrical connection of the outfan of described governor circuit 107 and described switching circuit 103, described in cut
The outfan changing circuit 103 is electrically connected with described power supply out splice going splice 3 by described output circuit 105.
Under normal condition, supply line is switched to include power supply input adapter 2, input circuit by switching circuit 103
101, this circuit of transformator 102, electric energy gone through switching circuit 103 by this circuit and flows to output circuit 105, then by electricity
Outside electrical equipment is given in source out splice going splice 3 output, and failure monitoring circuit 106 monitors the state of electric energy transmission in real time, and will prison
Control result passes to governor circuit 107, when extremely can not being normally powered for power equipment occurs in the transmission of normal electric energy,
Governor circuit 107 controls switching circuit 106 and supply line switches to the circuit that accumulator 104 is powered, accumulator 104 continue
Power to power equipment, it is ensured that the continual and steady operation of power equipment；The present invention is additionally provided with photovoltaic on housing 1
Plate 6, is also provided with charging circuit 108 and battery charge/discharge protection circuit 109, under normal power supply state, electric current on circuit boards
Can flow to charging circuit 108 from input circuit 101 be charged to accumulator 104, battery charge/discharge protection circuit 109 is then to storage
The charging and discharging state of battery 104 is protected, and after the electricity of accumulator 104 is full of, is automatically stopped charging, extends accumulator
The life-span of 104, during as this uninterrupted power supply(ups) is applied to outdoor power equipment, solar energy photovoltaic panel 6 absorb solar energy it
After, it is charged to accumulator 104 by charging circuit 108, it is to avoid normal power supply is abnormal, accumulator 104 electricity is used up
Unexpected, make properly functioning having obtained of power equipment further ensure；Additionally, all power supply circuits are integrated in by the present invention
Together, small volume, it is convenient for carrying, practicality is extremely strong.
Specifically, described main switch 5 is electrically connected with the input of described governor circuit 107；When needs use this power supply
During device, opening main switch 5, when need not use this supply unit, then closing main switch 5, additionally, abnormal conditions occur
Time, supply unit operation can be stopped by a key, protect internal circuit in time, there is the strongest practicality.
Specifically, described housing 1 also can be provided with display screen 7, described circuit board is additionally provided with display control circuit 113,
The input of described display control circuit 113 is electrically connected with the outfan of described governor circuit 107, described display control circuit
The outfan of 113 is electrically connected with the input of described display screen 7.
Specifically, described circuit board also can be provided with control chip 114, the input of described control chip 114 is with described
The outfan electrical connection of accumulator 104, the outfan of described control chip 114 electrically connects with the input of described display screen 7
Connect.
In the present embodiment, display screen 7 for show the switching state of supply line, the charging and discharging state of accumulator 104 and
Dump energy situation, enables staff to be visually known the behaviour in service of this uninterrupted power supply(ups).
Specifically, described housing 1 also can be provided with charge port 4, described charge port 4 and the input of described charging circuit 108
End electrical connection；By this charge port 4, can be charged for accumulator 104 the most at any time, add another charging
Mode, improves the use motility of supply unit.
The circuit of the solar recharging uninterrupted power supply(ups) for power equipment that Fig. 3 provides for the embodiment of the present invention two
Structural representation, as it is shown on figure 3, on the basis of embodiment one, described circuit board also can be provided with input protection circuit 110,
The outfan of described input protection circuit 110 is electrically connected with the input of described input circuit 101.
Specifically, described input protection circuit 110 comprises the steps that impact protection circuit 1101, overvoltage crowbar 1102, mistake
Stream protection circuit 1103 and short-circuit protection circuit 1104.
The present embodiment adds input protection circuit 110 at the input of electric energy, make subsequent conditioning circuit avoid impact, overvoltage,
Cross stream, the injury of short circuit, protect the normal work of whole power circuit.
The circuit of the solar recharging uninterrupted power supply(ups) for power equipment that Fig. 4 provides for the embodiment of the present invention three
Structural representation, as shown in Figure 4, described circuit board also can be provided with input isolation circuit 111, described input isolation circuit 111
The outfan electrical connection of input and described input circuit 101, the outfan of described input isolation circuit 111 and described change
The input electrical connection of depressor 102.
Specifically, described circuit board also can be provided with output isolation circuit 112, the input of described output isolation circuit 112
End is electrically connected with the outfan of described switching circuit 103, the outfan of described output isolation circuit 112 and described output circuit
The input electrical connection of 105.
The present embodiment is respectively provided with input isolation circuit and output isolation circuit at electrical energy inputs and electric energy output end,
Further enhance the protective effect to whole power circuit, improve its work efficiency.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (9)
1. for the solar recharging uninterrupted power supply(ups) of power equipment, including: housing (1), it is characterised in that: described housing
(1) being provided with power supply input adapter (2), power supply out splice going splice (3) and solar energy photovoltaic panel (6), described housing is provided with electricity in (1)
Road plate, described circuit board is provided with input circuit (101), transformator (102), switching circuit (103), accumulator (104), output
Circuit (105), failure monitoring circuit (106), governor circuit (107), charging circuit (108) and battery charge/discharge protection circuit
(109), described power supply input adapter (2) is electrically connected with the input of described input circuit (101), described input circuit
(101) outfan is electrically connected by the input of described transformator (102) with described switching circuit (103), described switching
The input of circuit (103) is also electrically connected with the outfan of described accumulator (104), the input of described charging circuit (108)
End is electrically connected with the outfan of described input circuit (101), the outfan of described solar energy photovoltaic panel (6) and described charged electrical
The input electrical connection on road (108), the outfan of described charging circuit (108) is electric with the input of described accumulator (104)
Gas connects, and the input of described accumulator (104) also outfan with described battery charge/discharge protection circuit (109) electrically connects
Connecing, the outfan of described input circuit (101) is electrically connected with the input of described failure monitoring circuit (106), described fault
The outfan of supervisory circuit (106) is electrically connected with the input of described governor circuit (107), described governor circuit (107)
Outfan is electrically connected with the input of described switching circuit (103), and the outfan of described switching circuit (103) is by described defeated
Go out circuit (105) to be electrically connected with described power supply out splice going splice (3).
Solar recharging uninterrupted power supply(ups) for power equipment the most according to claim 1, it is characterised in that: institute
Stating and be additionally provided with charge port (4) on housing (1), described charge port (4) is electrically connected with the input of described charging circuit (108).
Solar recharging uninterrupted power supply(ups) for power equipment the most according to claim 1, it is characterised in that: institute
State and on circuit board, be additionally provided with input protection circuit (110), the outfan of described input protection circuit (110) and described input circuit
(101) input electrical connection.
Solar recharging uninterrupted power supply(ups) for power equipment the most according to claim 3, it is characterised in that: institute
State input protection circuit (110) to include: impact protection circuit (1101), overvoltage crowbar (1102), current foldback circuit
And short-circuit protection circuit (1104) (1103).
Solar recharging uninterrupted power supply(ups) for power equipment the most according to claim 1, it is characterised in that: institute
State and on circuit board, be additionally provided with input isolation circuit (111), the input of described input isolation circuit (111) and described input circuit
(101) outfan electrical connection, the outfan of described input isolation circuit (111) and the input of described transformator (102)
Electrical connection.
Solar recharging uninterrupted power supply(ups) for power equipment the most according to claim 1, it is characterised in that: institute
State and on circuit board, be additionally provided with output isolation circuit (112), the input of described output isolation circuit (112) and described switching circuit
(103) outfan electrical connection, the outfan of described output isolation circuit (112) and the input of described output circuit (105)
End electrical connection.
Solar recharging uninterrupted power supply(ups) for power equipment the most according to claim 1, it is characterised in that: institute
Stating and be additionally provided with main switch (5) on housing (1), described main switch (5) is electrically connected with the input of described governor circuit (107).
Solar recharging uninterrupted power supply(ups) for power equipment the most according to claim 1, it is characterised in that: institute
Stating and be additionally provided with display screen (7) on housing (1), described circuit board is additionally provided with display control circuit (113), described display controls electricity
The outfan electrical connection of the input on road (113) and described governor circuit (107), described display control circuit (113) defeated
Go out the input electrical connection of end and described display screen (7).
Solar recharging uninterrupted power supply(ups) for power equipment the most according to claim 8, it is characterised in that: institute
Stating and be additionally provided with control chip (114) on circuit board, the input of described control chip (114) is defeated with described accumulator (104)
Going out end electrical connection, the outfan of described control chip (114) is electrically connected with the input of described display screen (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699379.9A CN106253452A (en) | 2016-08-22 | 2016-08-22 | Solar recharging uninterrupted power supply(ups) for power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699379.9A CN106253452A (en) | 2016-08-22 | 2016-08-22 | Solar recharging uninterrupted power supply(ups) for power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106253452A true CN106253452A (en) | 2016-12-21 |
Family
ID=57591857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610699379.9A Pending CN106253452A (en) | 2016-08-22 | 2016-08-22 | Solar recharging uninterrupted power supply(ups) for power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106253452A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113766183A (en) * | 2021-02-23 | 2021-12-07 | 江苏仁安高新技术有限公司 | Road monitoring device |
| CN117439220A (en) * | 2023-10-25 | 2024-01-23 | 济南宇正电子科技有限公司 | Portable energy storage power supply and portable energy storage power supply cabinet |
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| WO2011039604A1 (en) * | 2009-10-02 | 2011-04-07 | パナソニック電工株式会社 | Device for monitoring source of electric power supplied to storage battery in power supply system |
| CN202363956U (en) * | 2011-12-02 | 2012-08-01 | 拓实电子（深圳）有限公司 | Solar double-supply circuit |
| CN102624084A (en) * | 2012-04-07 | 2012-08-01 | 三科电器集团有限公司 | Special fire emergency power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113766183A (en) * | 2021-02-23 | 2021-12-07 | 江苏仁安高新技术有限公司 | Road monitoring device |
| CN117439220A (en) * | 2023-10-25 | 2024-01-23 | 济南宇正电子科技有限公司 | Portable energy storage power supply and portable energy storage power supply cabinet |
| CN117439220B (en) * | 2023-10-25 | 2024-04-19 | 济南宇正电子科技有限公司 | Portable energy storage power supply and portable energy storage power supply cabinet |
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Application publication date: 20161221 |