CN206820530U - Intelligent breaker device and charger for mobile phone - Google Patents

Intelligent breaker device and charger for mobile phone Download PDF

Info

Publication number
CN206820530U
CN206820530U CN201720317943.6U CN201720317943U CN206820530U CN 206820530 U CN206820530 U CN 206820530U CN 201720317943 U CN201720317943 U CN 201720317943U CN 206820530 U CN206820530 U CN 206820530U
Authority
CN
China
Prior art keywords
breaker device
intelligent breaker
time setting
voltage
triode
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.)
Active
Application number
CN201720317943.6U
Other languages
Chinese (zh)
Inventor
刘文展
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou BYD Industrial Co Ltd
Original Assignee
Huizhou BYD Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huizhou BYD Industrial Co Ltd filed Critical Huizhou BYD Industrial Co Ltd
Priority to CN201720317943.6U priority Critical patent/CN206820530U/en
Application granted granted Critical
Publication of CN206820530U publication Critical patent/CN206820530U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of intelligent breaker device and charger for mobile phone, and intelligent breaker device includes:Housing;Circuit board, the circuit board are located in the housing, and the circuit board includes:Voltage detection module and time setting module, the voltage detection module includes auxiliary reclay, the time setting module includes the time relay, and the voltage detection module and the time setting module are connected the/purpose of disconnection charge circuit by controlling the folding of the auxiliary reclay and the time relay to reach respectively;Open up pass wink, open up in the wink after pass is connected with the circuit board and set on the housing.Intelligent breaker device provided by the utility model is cut off the electricity supply function after electrical equipment is fully charged at power supply source 220V forceful electric power; simultaneously; voltage detection module and time setting module in intelligent breaker device provide dual power-off protection for intelligent breaker device, and reliable forceful electric power power down function more can guarantee that Electrical Safety of the user when electrical equipment charges.

Description

Intelligent breaker device and charger for mobile phone
Technical field
It the utility model is related to a kind of intelligent breaker device and charger for mobile phone.
Background technology
Publication No. " CN200947553Y ", the China of entitled " charging system with timing power-off function " are practical A kind of charging system with timing power-off function is disclosed in new patent application, need to be filled applied in machine, PDA, GPS etc. In the electronic installation of electricity, to the adverse consequences for preventing battery overcharge from bringing, it in original charger mainly by adding Entering one has the circuit of timing power-off function, and the timing control circuit part is connected by relevant interface with intelligent breaker device Connect, and LCD panel or light-emitting nixie tube can be used to show the time in the timing control circuit, while multiple buttons can be used To realize setting timing, starting and the function of stopping timing, a relay is accessed thereon, the relay switch is located at In the loop of charge control part, it can be adopted as single contact, open type.
This single time control charging device, if the long meaning that can lose timing charging of timing;If timing Time is too short, then battery effectively saturation can not charge.
Utility model content
The utility model is intended at least solve above-mentioned technical problem to a certain extent or provides at a kind of useful business Industry selects.Therefore, a purpose of the present utility model is to provide a kind of intelligent breaker device, from power supply after electrical equipment is fully charged Cut off the electricity supply at the 220V forceful electric power of source function, and dual power-off protection is provided.
A kind of intelligent breaker device provided by the utility model, the intelligent breaker device include:Housing;Circuit board, institute State circuit board to be located in the housing, the circuit board includes:Voltage detection module and time setting module, the voltage inspection Surveying module includes auxiliary reclay, and the time setting module includes the time relay, the voltage detection module and it is described when Between setting module respectively by control the folding of the auxiliary reclay and the time relay with reach be connected/disconnection charges The purpose in loop;Open up pass wink, open up in the wink after pass is connected with the circuit board and set on the housing.
A kind of intelligent breaker device provided by the utility model, the intelligent breaker device is after electrical equipment is fully charged from power supply Cut off the electricity supply at the 220V forceful electric power of source function, meanwhile, voltage detection module and time setting module in intelligent breaker device Dual power-off protection is provided for intelligent breaker device, the design simple structure, reliable forceful electric power power down function more can guarantee that user Electrical Safety when electrical equipment charges.
In addition, according to the above-mentioned intelligent breaker device of the utility model, there can also be following technical characteristic:
The voltage detection module also includes:Voltage comparator, the second diode, the first triode, the second triode, One resistance, second resistance and 3rd resistor, the output end of the voltage input end of the voltage comparator and the breaker device Circuit is connected, the base stage string of the voltage output end of the voltage comparator, the first resistor and first triode Connection connection, the base series connection of first transistor collector, the 3rd resistor, second triode, described the The positive pole of two diodes is connected with the negative pole of the auxiliary reclay, the negative pole of second diode and the middle relay The positive pole of device is connected, and the negative pole of the auxiliary reclay is connected with the emitter stage of second triode, second electricity One end of resistance is connected with the colelctor electrode of first triode, the positive pole of the voltage comparator, the second resistance it is another One end forms the input of the voltage detection module, the voltage comparator after being connected with the positive pole of the auxiliary reclay Negative pole, the emitter stage of first triode form the voltage detecting mould after being connected with the colelctor electrode of second triode The output end of block.
The time setting module also includes:Electrochemical capacitor, the first diode, the positive pole of the electrochemical capacitor, described The negative pole of one diode forms the input of the time setting module after being connected with the positive pole of the time relay, and described The positive pole of one diode is connected to form institute with the negative pole of the electrochemical capacitor again after being connected with the negative pole of the time relay State the output end of time setting module.
The switch of the auxiliary reclay is open type, and the switch of the time relay is closed type.
The circuit board also includes transformer and rectifier bridge, and the input of the transformer is normal with the time relay The output end connection of closed contact, the output end of the transformer are connected with the ac input end of the rectifier bridge.
The input of the voltage detection module, the output end of the voltage detection module set mould with the time respectively The input of block, the output end of the time setting module are corresponding to be connected, and the input of the time setting module, it is described when Between setting module the output end positive pole with the DC voltage output end of the rectifier bridge, the DC voltage of the rectifier bridge respectively The negative pole of output end is corresponding to be connected.
Open up that the contact of pass is in parallel with the normally opened contact of the auxiliary reclay wink, the time relay it is normally closed The input of contact is connected with the output end of the normally opened contact of the auxiliary reclay.
The utility model additionally provides a kind of charger for mobile phone, and the charger for mobile phone includes the intelligence of above-mentioned any structure Can breaker device.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment Become obvious and be readily appreciated that, wherein:
Fig. 1 is the stereogram of the intelligent breaker device of the utility model one embodiment;
Fig. 2 is the circuit diagram of the intelligent breaker device of the utility model one embodiment;
Fig. 3 is the sectional view for opening up pass wink of the intelligent breaker device of the utility model one embodiment.
Reference:
Housing 100, panel 110, usb 1 20, charging plug 130,
Transformer 200, rectifier bridge 210,
The time relay 300, electrochemical capacitor 310, the first diode 320, normally-closed contact 330,
Auxiliary reclay 400, voltage comparator 410, the second diode 420, the first triode 430, the second triode 440, first resistor 450, second resistance 460,3rd resistor 470, normally opened contact 480,
Open up pass 500 wink, elastomeric element 510, protuberance 520, the first limiting plate 530, electrode bar 540, conductive part 540a, Insulation division 540b, electrode 550, the second limiting plate 560, stroke guide rod 570,
Charging circuit 600, charging terminal 700.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality The limitation of type.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two It is individual, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be Mechanically connect or electrically connect or can communicate each other;Can be joined directly together, the indirect phase of intermediary can also be passed through Even, can be two element internals connection or two elements interaction relationship, limited unless otherwise clear and definite.For this For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
The utility model provides a kind of intelligent breaker device.Fig. 1 is the intelligence power-off of the utility model one embodiment The stereogram of device;Fig. 2 is the circuit diagram of the intelligent breaker device of the utility model one embodiment;Fig. 3 is the utility model The sectional view for opening up pass wink of the intelligent breaker device of one embodiment.
With reference to figure 1, Fig. 3, the utility model provides a kind of intelligent breaker device, and the intelligent breaker device includes:Shell Body 100, circuit board, open up pass 500 wink.
Specifically, with reference to figure 1, the side of the housing 100 is provided with panel 110, and the panel 110, which is used to set, to charge Time, the top of the housing 100 offer usb 1 20, the equipment for connecting required charging, the bottom of the housing 100 Portion is fixedly installed charging plug 130, and the charging plug 130 is connected with the circuit board, and opens up pass 500 wink and face The nearly charging plug 130 is fixedly installed on the housing 100, is opened up pass 500 wink and is connected with the circuit board, institute State circuit board to be located in the housing 100, the circuit board includes:Voltage detection module and time setting module, the electricity Pressure detection module includes auxiliary reclay 400, and the time setting module includes the time relay 300, the voltage detecting mould Block and the time setting module respectively by control the folding of the auxiliary reclay 400 and the time relay 300 with Reach the purpose of connection/disconnection charge circuit.
Specifically, with reference to figure 2, the voltage detection module also includes:Voltage comparator 410, the second diode 420, One triode 430, the second triode 440, first resistor 450, second resistance 460 and 3rd resistor 470, the voltage ratio compared with The voltage input end of device 410 is connected with the circuit of output terminal of the breaker device, the voltage output of the voltage comparator 410 The base series connection at end, the first resistor 450 and first triode 430, the voltage comparator 410 is used for real When detect mobile phone charge condition, i.e. battery of mobile phone voltage swing, cut off intelligence when reaching saturation voltage in order to battery of mobile phone Can breaker device.
Specifically, with reference to figure 2, the colelctor electrode of first triode 430, the 3rd resistor 470, the two or three pole The base series connection of pipe 440, the positive pole of second diode 420 are connected with the negative pole of the auxiliary reclay 400, institute The negative pole for stating the second diode 420 is connected with the positive pole of the auxiliary reclay 400, the negative pole of the auxiliary reclay 400 It is connected with the emitter stage of second triode 440, one end of the second resistance 460 and first triode 430 Colelctor electrode is connected, the positive pole of the voltage comparator 410, the other end of the second resistance 460 and the auxiliary reclay 400 positive pole forms the input of the voltage detection module, the negative pole of the voltage comparator 410, described after being connected The emitter stage of one triode 430 forms the defeated of the voltage detection module after being connected with the colelctor electrode of second triode 440 Go out end.
Due to the voltage potentially unstable or smaller of the voltage comparator 410 output, so that first triode 430 output voltage is smaller and unstable, therefore sets up second triode 440, amplifies by first triode 430 Control source afterwards is to second triode 440, so that second triode provides preferably for the auxiliary reclay Operating voltage.
Specifically, with reference to figure 2, the time setting module also includes:Electrochemical capacitor 310, the first diode 320, it is described The positive pole of electrochemical capacitor 310, the negative pole of first diode 320 are formed after being connected with the positive pole of the time relay 300 The input of the time setting module, the positive pole of first diode 320 are connected with the negative pole of the time relay 300 It is connected to form the output end of the time setting module with the negative pole of the electrochemical capacitor 310 again afterwards.
Specifically, with reference to figure 2, the circuit board also includes transformer 200 and rectifier bridge 210, the transformer 200 it is defeated Enter end be connected with the output end of the normally-closed contact 330 of the time relay 300, the output end of the transformer 200 with it is described The ac input end of rectifier bridge 210 is connected, and the transformer 200 coordinates backward intelligent breaker device with the rectifier bridge 210 5V DC voltages are provided, to meet the size of the chargeable voltage of battery of mobile phone, prevent from burning out battery of mobile phone, the middle relay The switch of device 400 is open type, and the switch of the time relay 300 is closed type.
Specifically, with reference to figure 2, the input of the voltage detection module, the output end difference of the voltage detection module The corresponding connection of input, the output end of the time setting module with the time setting module, and time setting mould The input of block, the time setting module output end respectively the positive pole with the DC voltage output end of the rectifier bridge 210, The negative pole of the DC voltage output end of the rectifier bridge 210 is corresponding to be connected.
Specifically, with reference to figure 3, opening up pass 500 wink includes:Stroke guide rod 570, electrode bar 540, electrode 550, elasticity Part 510, the first limiting plate 530, the second limiting plate 560, protuberance 520, the electrode bar 540 include:Conductive part 540a with Insulation division 540b, limiting card, the limiting card and the phase of the first limiting plate 530 are provided with the madial wall of the housing 100 Coordinate, to limit the size for opening up the stroke for closing 500 wink, one end of the elastomeric element 510 is connected with the housing 100 Connect, the other end of the elastomeric element 510 is connected with the top of the protuberance 520, the bottom of the protuberance 520 and institute The top for stating the first limiting plate 530 is connected, the bottom of first limiting plate 530 and described two electrode bars 540 Top is connected, and the top of second limiting plate 530 is connected with the bottom of two electrode bars 540, second limit The bottom of position plate 560 is connected with the stroke guide rod 570, and the electrode 550 is fixedly installed on inside the housing 100, Press open up in wink close 500 buttons, i.e., stroke guide rod 570 when, except the elastomeric element 510 and the electrode 550 are fixture Outside, open up in the wink close 500 other parts as the stroke guide rod 570 moves, i.e., described conductive part 540a with it is described When electrode 550 contacts, it is 500 in the conduction state to open up pass the wink, when the insulation division 540b passes through the electrode, the wink 500 electricity of pass are opened up to be off.
Specifically, with reference to figure 2- Fig. 3, open up in the wink close 500 contact it is in parallel with the normally opened contact 480, it is described The input of normally-closed contact 330 is connected with the output end of the normally opened contact 480, when the charging plug 130 inserts wiring board When, pass 500 is opened up the wink as the charging plug 130 inserts and is contacted with the wiring board and the wink is opened up pass 500 connect, and when the charging plug is completely inserted into wiring board or a certain position, opens up pass 500 wink and disconnect, in institute State open up in wink pass 500 it is switched on and off during, for starting the work of whole circuit, i.e., to the auxiliary reclay 400 1 Individual operating voltage, so that the contact closure of the auxiliary reclay 400.
With reference to figure 2,220V civil powers are powered by the intelligent breaker device to charging circuit 600, the charging circuit 600 Charging terminal 700 for being charged to needs charges.
A kind of intelligent breaker device provided by the utility model, the intelligent breaker device is after electrical equipment is fully charged from power supply Cut off the electricity supply at the 220V forceful electric power of source function, meanwhile, voltage detection module and time setting module in intelligent breaker device Dual power-off protection is provided for intelligent breaker device, the design simple structure, reliable forceful electric power power down function more can guarantee that user Electrical Safety when electrical equipment charges.
Charging process:During work, open up in the wink and disconnected after closing the connection of 500 moments, so that the auxiliary reclay 400 obtains Operating voltage is obtained, so that normally opened contact 480 closes, now, whole circuit enters normal operating conditions, in charging process, The voltage comparator 410 detects, compared the voltage condition of battery of mobile phone in real time, if after mobile phone is fully charged, i.e., battery of mobile phone reaches During to saturation voltage, the voltage comparator 410 sends corresponding signal and gone out to first triode 430, so that described One triode 430 is stopped, and therefore second triode loses negative voltage, and then it is the auxiliary reclay to stop 400 provide operating voltage, and now the contact of the auxiliary reclay 400 disconnects, so that whole circuit is by the auxiliary reclay 400 is electrically disconnected from the part of housing 100 and 220V cities, and whole circuit stops charging work;While charging, it can pass through The panel 110 sets the charging interval, if after the charging interval for reaching setting, the time relay 300 disconnects described normally closed Contact 330, so that whole circuit is electrically disconnected from the part of housing 100 and 220V cities by the time relay 300, whole electricity Road stops charging work.
When the time detecting module is impaired or when the charging interval of setting is longer, the intermediate detection module can be passed through Carry out de-energizing actions;If the intermediate detection module is damaged, i.e., voltage detecting is inaccurate or more than the volume for being electrically charged part When determining voltage, de-energizing actions can be carried out by the time detecting module, pass through the time detecting module and the middle inspection The cooperation of module is surveyed, provides duplicate protection for charging circuit, reliable forceful electric power power down function more can guarantee that user charges in electrical equipment When Electrical Safety.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as not departing from the utility model to limitation of the present utility model, one of ordinary skill in the art Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and Modification.

Claims (8)

  1. A kind of 1. intelligent breaker device, it is characterised in that including:
    Housing;
    Circuit board, the circuit board are located in the housing, and the circuit board includes:Voltage detection module and time setting mould Block, the voltage detection module include auxiliary reclay, and the time setting module includes the time relay, the voltage detecting Module and the time setting module are reached by controlling the folding of the auxiliary reclay and the time relay respectively The purpose of connection/disconnection charge circuit;
    Open up pass wink, open up in the wink after pass is connected with the circuit board and set on the housing.
  2. 2. intelligent breaker device according to claim 1, it is characterised in that the voltage detection module also includes:Voltage Comparator, the second diode, the first triode, the second triode, first resistor, second resistance and 3rd resistor, the electricity The voltage input end of pressure comparator is connected with the circuit of output terminal of the breaker device, the voltage output of the voltage comparator The base series connection at end, the first resistor and first triode, first transistor collector, the described 3rd The base series connection of resistance, second triode, the positive pole of second diode and the negative pole of the auxiliary reclay It is connected, the negative pole of second diode is connected with the positive pole of the auxiliary reclay, the negative pole of the auxiliary reclay It is connected with the emitter stage of second triode, one end of the second resistance is connected with the colelctor electrode of first triode Connect, structure after the positive pole of the voltage comparator, the other end of the second resistance are connected with the positive pole of the auxiliary reclay Into the input of the voltage detection module, the negative pole of the voltage comparator, first triode emitter stage with it is described The output end of the voltage detection module is formed after the colelctor electrode connection of second triode.
  3. 3. intelligent breaker device according to claim 2, it is characterised in that the time setting module also includes:Electrolysis Electric capacity, the first diode, the positive pole of the positive pole of the electrochemical capacitor, the negative pole of first diode and the time relay The input of the time setting module, the positive pole of first diode and the negative pole of the time relay are formed after connection It is connected to form the output end of the time setting module after connection with the negative pole of the electrochemical capacitor again.
  4. 4. intelligent breaker device according to claim 3, it is characterised in that the switch of the auxiliary reclay is normally opened Type, the switch of the time relay is closed type.
  5. 5. intelligent breaker device according to claim 4, it is characterised in that the circuit board also includes transformer and rectification Bridge, the input of the transformer are connected with the output end of the normally-closed contact of the time relay, the output of the transformer End is connected with the ac input end of the rectifier bridge.
  6. 6. intelligent breaker device according to claim 5, it is characterised in that the input of the voltage detection module, institute State the output end of the voltage detection module input with the time setting module, the output end of the time setting module respectively Corresponding connection, and the output end of the input of the time setting module, the time setting module respectively with the rectifier bridge The positive pole of DC voltage output end, the negative pole of DC voltage output end of the rectifier bridge corresponding connects.
  7. 7. intelligent breaker device according to claim 1, it is characterised in that open up the contact of pass and the centre wink The normally opened contact of relay is in parallel, and the input of the normally-closed contact of the time relay touches with the normally opened of the auxiliary reclay The output end series connection of point.
  8. 8. a kind of charger for mobile phone, it is characterised in that including the intelligent breaker device any one of claim 1-7.
CN201720317943.6U 2017-03-29 2017-03-29 Intelligent breaker device and charger for mobile phone Active CN206820530U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720317943.6U CN206820530U (en) 2017-03-29 2017-03-29 Intelligent breaker device and charger for mobile phone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720317943.6U CN206820530U (en) 2017-03-29 2017-03-29 Intelligent breaker device and charger for mobile phone

Publications (1)

Publication Number Publication Date
CN206820530U true CN206820530U (en) 2017-12-29

Family

ID=60752034

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720317943.6U Active CN206820530U (en) 2017-03-29 2017-03-29 Intelligent breaker device and charger for mobile phone

Country Status (1)

Country Link
CN (1) CN206820530U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110707781A (en) * 2019-10-31 2020-01-17 山东轻工职业学院 Intelligent power-off charger and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110707781A (en) * 2019-10-31 2020-01-17 山东轻工职业学院 Intelligent power-off charger and control method thereof
CN110707781B (en) * 2019-10-31 2020-12-04 山东轻工职业学院 Intelligent power-off charger and control method thereof

Similar Documents

Publication Publication Date Title
CN204967307U (en) Battery measurement control circuit and battery measurement system
CN202978308U (en) Movable power supply device
CN206820530U (en) Intelligent breaker device and charger for mobile phone
CN110707781B (en) Intelligent power-off charger and control method thereof
CN202634032U (en) Mobile internet device charging handheld device through universal serial bus (USB) interface
CN209250288U (en) A kind of dual threshold charge-discharge protection circuit
CN101872989A (en) Electric vehicle alternating-current charging pile
CN201758300U (en) Alternating-current charging pile of electric automobile
CN201699253U (en) Power supply seat with intelligent charging function
CN104065043B (en) Battery under-voltage protection and display circuit
CN104882742A (en) Intelligent charging socket
CN206117218U (en) Mobile power supply
CN206040898U (en) Special intelligent lead acid battery of solar energy
CN204967337U (en) Lithium ion power batteries's control circuit that charges
CN204103565U (en) A kind of charging device with wireless charging function
CN208874002U (en) A kind of intelligent charge socket
CN102709999A (en) Energy-saving charger
CN207967960U (en) Energy storage inversion system intelligent energy-saving device
CN202840555U (en) Mobile terminal of power supply device thereof
CN207283214U (en) A kind of alternating-current charging pile circuit of low-power consumption
CN205334660U (en) Digital show alarm in route but automatic switch -over charges
CN209472163U (en) A kind of embedded multifunction socket
CN207251243U (en) A kind of USB phone charger
CN203056650U (en) Lithium iron phosphate cell emergency power source
CN203057186U (en) Automatic charging router

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant