CN108905464A - Can mobile phone charging park haze remove device - Google Patents
Can mobile phone charging park haze remove device Download PDFInfo
- Publication number
- CN108905464A CN108905464A CN201810758698.1A CN201810758698A CN108905464A CN 108905464 A CN108905464 A CN 108905464A CN 201810758698 A CN201810758698 A CN 201810758698A CN 108905464 A CN108905464 A CN 108905464A
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- Prior art keywords
- hollow cylinder
- battery
- capacitor
- solar energy
- pin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
-
- 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
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses can mobile phone charging park haze remove device, solves the problems, such as that the prior art does not have and purifies air, advertising display, convenience service, noise and energy conservation in reduction garden.The present invention includes hollow cylinder, purify air outlet, HEPA macromolecular filtering net, anion generator, mute blower, basis, decorating lighting lamp, wireless WiFi router, solar energy electroplax, solar controller, solar storage battery, solar energy electroplax, liquid crystal advertisement display screen, electronic route sign board, anion emission end, LED illumination lamp, sound-absorbing thin slice, honeycomb electrostatic precipitation air purifier, automatic shoe polisher, monitoring camera, USB charging interface, DC/DC converter, backup power source；Sound-absorbing thin slice is embedded on hollow cylinder surrounding outer surface；Low voltage protection circuit is connected on backup power source.The configuration of the present invention is simple, design is scientific and reasonable.
Description
Technical field
The present invention relates to can mobile phone charging park haze remove device.
Background technique
With the continuous development of industry, worse and worse, PM2.5 is exceeded for a long time for urban air environment, living to the open air of the mankind
Dynamic influence is very big.Although occurring many air cleaning facilities on the market, it is only limitted to indoor use, it is net in outdoor mounted air
The cost for changing equipment is very high, and clean-up effect is poor, using air cleaning facility as the difficult of communal facility.And
Communal facility has a single function, at random to space utilization planning, and backup power source can be damaged because of overdischarge two, shortens backup power source and uses
Service life.
Summary of the invention
The technical problem to be solved by the present invention is to：There is provided can mobile phone charging park haze remove device, which has
Purification air, road prompt in garden, night illumination, advertising display, convenience service, noise in reduction garden, can effectively protect it is spare
The features such as power supply is to extend backup power source service life and energy conservation.
To achieve the above object, the technical solution adopted by the present invention is as follows：
Can mobile phone charging park haze remove device, including hollow cylinder, the purification air set on hollow cylinder side
Air outlet, the HEPA macromolecular filtering net being covered in purification air outlet are located in hollow cylinder and purification air outlet air
The mute blower of the opposite side of mouth, the anion generator in hollow cylinder, equipped with anion emission end are located at hollow
The basis of cylinder bottom is set to hollow at the top of hollow cylinder, the interior decorating lighting lamp for setting more than two LED illumination lamps
Wireless WiFi router at the top of cylinder and positioned at decorating lighting lamp side, above decorating lighting lamp and passes through support
Column is fixed on the solar energy electroplax at the top of hollow cylinder, positioned at hollow cylinder internal upper part and the solar energy that connect with solar energy electroplax
Controller, solar storage battery, backup power source and the solar energy being connect in hollow cylinder and simultaneously with solar controller
Battery plate is set to hollow cylinder surrounding and is located on liquid crystal advertisement display screen positioned at the liquid crystal advertisement display screen of hollow cylinder surrounding
The electronic route sign board of side；It is located at the honeycomb electrostatic precipitation air purifier of anion generator lower part, position in hollow cylinder
Automatic shoe polisher in basic side is distributed in hollow cylinder surrounding and is located at liquid crystal advertisement display screen lower section, quantity is four
Above USB charging interface is divided into four monitoring cameras of surrounding and built-in circulation memory card at the top of hollow cylinder；Institute
Anion emission end is stated there are two above and be distributed on hollow cylinder inner wall, the solar energy electroplax occurs with anion respectively
Device, mute blower, wireless WiFi router, liquid crystal advertisement display screen, electronic route sign board, LED illumination lamp, honeycomb electrostatic precipitation are empty
Gas purifier, automatic shoe polisher and monitoring camera electrical connection, the USB charging interface pass through DC/DC converter and the sun
Energy battery plate is electrically connected, and one layer of sound-absorbing thin slice made of sound-absorbing material is embedded on hollow cylinder surrounding outer surface；
The backup power source is lithium battery, and low voltage protection circuit is connected on the backup power source, the low electricity
Voltage protection circuit includes battery BT, capacitor C1, capacitor C2, capacitor C3, metal-oxide half field effect transistor V1, OH crystal
The control IC of pipe V2, diode D1, diode D2 and model R5421, wherein：Capacitor C1 connection battery BT controls IC
Pin VDD is connected between C1 and battery BT；Capacitor C2 mono- terminates battery BT, and another termination controls IC pin V-；Capacitor
C3 mono- terminates battery BT, and another termination controls IC pin Ct；Metal-oxide half field effect transistor V1 meets battery BT, control IC simultaneously
Pin Do and metal-oxide half field effect transistor V2；Metal-oxide half field effect transistor V2 meets control IC pin Co；Diode D1 and golden oxygen
Half field effect transistor V1 is in parallel；Diode D2 is in parallel with metal-oxide half field effect transistor V2；Control IC pin VSS meets battery BT；
The low voltage protection circuit further includes the resistance R1, Yi Jisuo of a termination battery BT, another termination capacitor C1
State the resistance R2 that low voltage protection circuit further includes termination control IC pin V-, another termination battery BT.
Further, the model of described metal-oxide half field effect transistor V1, V2 are SI9926.
Further, the low voltage protection circuit further includes the fuse FUSE connecting with battery BT.
Further, the hollow cylinder is welded by steel plate.
Compared with prior art, the invention has the advantages that：
(1) the configuration of the present invention is simple, design is scientific and reasonable, easy to use.
(2) present invention is with road prompt, night illumination, advertising display, convenience service, reduction garden in purification air, garden
The features such as interior noise and energy conservation.The present invention can effectively purify the air of ambient enviroment, improve air quality in garden, and
It can reduce noise in garden, an environment of comfortably quietly travelling provided for tourist, while being also equipped with advertisement displaying function, with public affairs
Based on beneficial advertisement, supplemented by commercial advertisement, it also can be carried out utility publicity while obtaining income, kill two birds with one stone；Using too
The positive power supply that can generate electricity, reaches energy saving purpose, while realizing energy greenization.When ambient light deficiency can also large area lighting,
Play in the case where ambient light difference for tourist and provides guarantee；The present invention is additionally provided with auto polishing shoes, electronic equipment fills
The multiple functions equipment such as the multinomial convenience service such as electricity and circumstance video monitoring.The present invention is by multiple functions integration, effectively
Space utilization rate is saved in ground.
(3) present invention connects a low voltage protection circuit on backup power source, which can be in lithium
It is effectively protected during battery over-discharge, it is ensured that lithium battery does not cause battery to be damaged because voltage is low, into
And it prolongs its service life.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the circuit diagram of low voltage protection circuit of the present invention.
Wherein, appended drawing reference is corresponding entitled：
1- hollow cylinder, 2- purification air outlet, 3-HEPA macromolecular filtering net, 4- anion generator, 5- are mute
Blower, the basis 6-, 7- decorating lighting lamp, 8- is wireless WiFi router, 9- solar energy electroplax, 10- solar controller, 11-
Solar storage battery, 12- solar energy electroplax, 13- liquid crystal advertisement display screen, 14- electronic route sign board, 15- anion emission end,
16-LED headlamp, 17- sound-absorbing thin slice, 18- honeycomb electrostatic precipitation air purifier, 19- automatic shoe polisher, 20- monitoring camera
Head, 21-USB charging interface, 22-DC/DC converter, 23- backup power source.
Specific embodiment
The invention will be further described with embodiment for explanation with reference to the accompanying drawing, and mode of the invention includes but not only limits
In following embodiment.
Embodiment
As illustrated in fig. 1 and 2, can mobile phone charging park haze remove device, including be welded hollow cylinder by steel plate
1, the purification air outlet 2 set on 1 side of hollow cylinder, the HEPA macromolecular filtering being covered in purification air outlet 2
Net 3, the mute blower 5 of the side opposite with purification air outlet 2 in hollow cylinder 1, in order to improve the sky in park
Makings amount, the present invention are being located in hollow cylinder 1 equipped with anion generator 4, and the anion generator 4 is equipped with two or more
Anion emission end 15, the anion emission end 15 are distributed on 1 inner wall of hollow cylinder, are equipped with positioned at 1 bottom of hollow cylinder
Basis 6, described basic 6 is equipped with decorating lighting lamp 7 by precast reinforced concrete at the top of hollow cylinder 1, in decorating lighting lamp 7
If more than two LED illumination lamps 16, in order to keep shape more beautiful, in order to make it is that the present invention more opens in the visual field of night illumination
Wealthy, the LED illumination lamp 16 of this facility preferably sets three.
Surfing Internet with cell phone is used in the tourist that park is played for convenience, the present invention is at 1 top of hollow cylinder and is located at decoration
7 side of illuminator is equipped with wireless WiFi router 8；In order to energy saving, the present invention be located at decorating lighting lamp 7 above and
By support column be fixed at the top of hollow cylinder 1 be equipped with solar energy electroplax 9, and be located at 1 internal upper part of hollow cylinder be equipped with
Solar energy electroplax 9 connect solar controller 10, and also be located at hollow cylinder 1 in be equipped with simultaneously and solar controller
Solar storage battery 11, backup power source 23 and the solar energy electroplax 12 of 10 connections；In order to keep the function of this facility as complete as possible,
The present invention is being surrounded by liquid crystal advertisement display screen 13 positioned at hollow cylinder 1, and in 1 surrounding of hollow cylinder and is located at liquid crystal
Electronic route sign board 14 is equipped with above ad display screen 13；The present invention is additionally provided with honeycomb electrostatic precipitation air purifier 18, the honeycomb
Electrostatic precipitation air purifier 18 is set in hollow cylinder 1 lower part for being located at anion generator 4, is equipped in the side on basis 6
Automatic shoe polisher 19 provides free shoe shine service for park tourist；The present invention is also equipped with USB charging in order to facilitate tourist
Mouthfuls 21, USB charging interface 21 at least there are four, be distributed in 1 surrounding of hollow cylinder and be located at the lower section of liquid crystal advertisement display screen 13,
The present invention is also equipped with the monitoring camera 20 of built-in circulation memory card, and the monitoring camera 20 is divided into sky there are four being total to
1 top surrounding of stem body carries out video monitoring for the environment to this facility surrounding；The solar energy electroplax 9 respectively with bear from
Electronic generator 4, mute blower 5, wireless WiFi router 8, liquid crystal advertisement display screen 13, electronic route sign board 14, LED illumination lamp
16, honeycomb electrostatic precipitation air purifier 18, automatic shoe polisher 19 and monitoring camera 20 are electrically connected, the USB charging
Mouth 21 is electrically connected by DC/DC converter 22 with solar energy electroplax 9, is powered for above-mentioned electrical equipment, the DC/DC converter 22
The 12V voltage that solar energy electroplax 12 exports is converted into 5V voltage input to USB charging interface 21；In order to reduce ambient ring
The noise in border is embedded with one layer of sound-absorbing thin slice 17 made of sound-absorbing material on the 1 surrounding outer surface of hollow cylinder.
The configuration of the present invention is simple, design is scientific and reasonable, easy to use.Have that purification air, road prompt, night shine in garden
Bright, advertising display, convenience service, noise and the features such as energy conservation in reduction garden, suitable for being widely popularized in public domains such as parks
Using.
The backup power source 23 is lithium battery, and is connected with low voltage protection circuit on the backup power source 23, described
Low voltage protection circuit includes battery BT, capacitor C1, capacitor C2, capacitor C3, metal-oxide half field effect transistor V1, OH
The control IC of transistor V2, diode D1, diode D2 and model R5421, wherein：Capacitor C1 connection battery BT, control
IC pin VDD processed is connected between C1 and battery BT；Capacitor C2 mono- terminates battery BT, and another termination controls IC pin V-；
Capacitor C3 mono- terminates battery BT, and another termination controls IC pin Ct；Metal-oxide half field effect transistor V1 meets battery BT, control simultaneously
IC pin Do and metal-oxide half field effect transistor V2 processed；Metal-oxide half field effect transistor V2 meets control IC pin Co；Diode D1 with
Metal-oxide half field effect transistor V1 is in parallel；Diode D2 is in parallel with metal-oxide half field effect transistor V2；Control IC pin VSS connects battery
BT。
The model of described metal-oxide half field effect transistor V1, V2 are SI9926, and the low voltage protection circuit further includes one
The resistance R1 of battery BT, another termination capacitor C1 are terminated, the low voltage protection circuit further includes termination control IC pin
The resistance R2 of V-, another termination battery BT, the low voltage protection circuit further includes the fuse connecting with battery BT
FUSE。
The present invention connects a low voltage protection circuit on backup power source, which can be in lithium battery
It is effectively protected during overdischarge, it is ensured that lithium battery does not cause battery to be damaged because voltage is low, Jin Eryan
Its long service life.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit protection model of the invention
It encloses, as long as that in body design thought of the invention and mentally makes has no the change of essential meaning or polishing, is solved
The technical issues of it is still consistent with the present invention, should all be included within protection scope of the present invention.
Claims (4)
1. can mobile phone charging park haze remove device, it is characterised in that：Including hollow cylinder (1), it is set to hollow cylinder (1)
The purification air outlet (2) of side, the HEPA macromolecular filtering net (3) being covered in purification air outlet (2) are located at sky
The mute blower (5) of the side opposite with purification air outlet (2) in stem body (1), is located in hollow cylinder (1), is equipped with
The anion generator (4) at anion emission end (15) is located at the basis (6) of hollow cylinder (1) bottom, is set to hollow cylinder
(1) top, the interior decorating lighting lamp (7) for setting more than two LED illumination lamps (16) are set at the top of hollow cylinder (1) and are located at
The wireless WiFi router (8) of decorating lighting lamp (7) side is located above decorating lighting lamp (7) and solid by support column
The solar energy electroplax (9) being scheduled at the top of hollow cylinder (1) is located at hollow cylinder (1) internal upper part and connect with solar energy electroplax (9)
Solar controller (10), be located in hollow cylinder (1) and the solar energy power accumulating that is connect simultaneously with solar controller (10)
Pond (11), backup power source (23) and solar energy electroplax (12) are located at the liquid crystal advertisement display screen (13) of hollow cylinder (1) surrounding,
Set on hollow cylinder (1) surrounding and the electronic route sign board (14) above liquid crystal advertisement display screen (13), it is set to hollow cylinder
(1) be located at the honeycomb electrostatic precipitation air purifier (18) of anion generator (4) lower part in, be located at basic (6) side from
Dynamic shoe-cleaning machine (19) are distributed in hollow cylinder (1) surrounding and are four or more positioned at liquid crystal advertisement display screen (13) lower section, quantity
USB charging interface (21), be divided into four monitoring cameras of surrounding and built-in circulation memory card at the top of hollow cylinder (1)
(20)；
There are two the anion emission ends (15) above and is distributed on hollow cylinder (1) inner wall, the solar energy electroplax (9)
Respectively with anion generator (4), mute blower (5), wireless WiFi router (8), liquid crystal advertisement display screen (13), electronics road
Label (14), LED illumination lamp (16), honeycomb electrostatic precipitation air purifier (18), automatic shoe polisher (19) and monitoring camera
Head (20) electrical connection, the USB charging interface (21) is electrically connected by DC/DC converter (22) with solar energy electroplax (9), described
One layer of sound-absorbing thin slice made of sound-absorbing material (17) is embedded on hollow cylinder (1) surrounding outer surface；
The backup power source (23) is lithium battery, and is connected with low voltage protection circuit on the backup power source (23), described
Low voltage protection circuit includes battery BT, capacitor C1, capacitor C2, capacitor C3, metal-oxide half field effect transistor V1, OH
The control IC of transistor V2, diode D1, diode D2 and model R5421, wherein：Capacitor C1 connection battery BT, control
IC pin VDD processed is connected between C1 and battery BT；Capacitor C2 mono- terminates battery BT, and another termination controls IC pin V-；
Capacitor C3 mono- terminates battery BT, and another termination controls IC pin Ct；Metal-oxide half field effect transistor V1 meets battery BT, control simultaneously
IC pin Do and metal-oxide half field effect transistor V2 processed；Metal-oxide half field effect transistor V2 meets control IC pin Co；Diode D1 with
Metal-oxide half field effect transistor V1 is in parallel；Diode D2 is in parallel with metal-oxide half field effect transistor V2；Control IC pin VSS connects battery
BT；
The low voltage protection circuit further includes a termination battery BT, the resistance R1 of another termination capacitor C1 and a termination
Control the resistance R2 of IC pin V-, another termination battery BT.
2. it is according to claim 1 can mobile phone charging park haze remove device, it is characterised in that：The MOS field
The model for imitating transistor V1, V2 is SI9926.
3. it is according to claim 1 can mobile phone charging park haze remove device, it is characterised in that：The low-voltage is protected
Protection circuit further includes the fuse FUSE connecting with battery BT.
4. it is according to claim 1 can mobile phone charging park haze remove device, it is characterised in that：The hollow cylinder
(1) it is welded by steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810758698.1A CN108905464A (en) | 2018-07-11 | 2018-07-11 | Can mobile phone charging park haze remove device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810758698.1A CN108905464A (en) | 2018-07-11 | 2018-07-11 | Can mobile phone charging park haze remove device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108905464A true CN108905464A (en) | 2018-11-30 |
Family
ID=64410560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810758698.1A Pending CN108905464A (en) | 2018-07-11 | 2018-07-11 | Can mobile phone charging park haze remove device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108905464A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204258279U (en) * | 2014-12-17 | 2015-04-08 | 温州凯唐电子科技有限公司 | A kind of lithium battery low voltage protection circuit |
| CN206400948U (en) * | 2016-12-21 | 2017-08-11 | 成都晶晟节能科技有限公司 | A kind of multi-functional park road sign |
| CN206400949U (en) * | 2016-12-21 | 2017-08-11 | 成都晶晟节能科技有限公司 | A kind of square road sign for possessing air-cleaning function |
-
2018
- 2018-07-11 CN CN201810758698.1A patent/CN108905464A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204258279U (en) * | 2014-12-17 | 2015-04-08 | 温州凯唐电子科技有限公司 | A kind of lithium battery low voltage protection circuit |
| CN206400948U (en) * | 2016-12-21 | 2017-08-11 | 成都晶晟节能科技有限公司 | A kind of multi-functional park road sign |
| CN206400949U (en) * | 2016-12-21 | 2017-08-11 | 成都晶晟节能科技有限公司 | A kind of square road sign for possessing air-cleaning function |
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| PB01 | Publication | ||
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Application publication date: 20181130 |