CN208589805U - A kind of charger - Google Patents
A kind of charger Download PDFInfo
- Publication number
- CN208589805U CN208589805U CN201821461887.4U CN201821461887U CN208589805U CN 208589805 U CN208589805 U CN 208589805U CN 201821461887 U CN201821461887 U CN 201821461887U CN 208589805 U CN208589805 U CN 208589805U
- Authority
- CN
- China
- Prior art keywords
- control circuit
- charging
- time
- charging control
- controllable switch
- 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.)
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Classifications
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Abstract
The utility model provides a kind of charger, including charging control circuit, and the output interface of charging control circuit is electrically charged equipment for connecting, and input interface is for connecting power supply；Controllable switch is provided on the route that charging control circuit input interface is used to connect power supply；The charging control circuit is also connected with current sensor and time control circuit, and the current sensor is used to detect the electric current of charge control current output interface；The control terminal of the time control circuit connection controllable switch.Technical solution provided by the utility model, charging control circuit connects controllable switch by time control circuit, when battery enters the floating charge stage, charging control circuit sends to time control circuit and instructs, time control circuit can just control controllable switch disconnection after the time of setting, it can still charge within the set time for battery, to guarantee the charging effect to battery.
Description
Technical field
The utility model belongs to electric vehicle charging control technology field, and in particular to a kind of charger.
Background technique
Electric vehicle is a kind of safe, economic, clean green traffic tool, as people get over environment and energy problem
More pay attention to, people increasingly pay attention to the development of electric vehicle.Common electric vehicle usually has electric bicycle, electronic vapour
Vehicle and new-energy automobile, for these electric vehicles using power battery as power source, power battery is driving motor power supply, driving electricity
Machine generates power, drives vehicle driving.The limited energy that power battery can store, once the electric energy consumption in power battery
To the greatest extent, it is necessary to charge in time for power battery.
At present when charging to power battery, many charging equipments all only focus on the protection to battery is electrically charged, and
Have ignored the protection to charging equipment itself.As disclosed in the Chinese patent application file that application publication number is CN106427630A
A kind of new energy vehicle charging stops guard method, it can be achieved that being automatically stopped charging at the end of charging, and to reach prevent from overcharging, and protects
The purpose of battery, but the skill that its own is damaged due to charging for a long time under non-charging operating condition without solving charging equipment
Art problem.In addition, under electriferous state of the charging equipment after charging complete, it may be because of the old of charging equipment internal component
Change or damaged by surge current, or even is also possible to threaten the person peace of charging personnel itself when charging unit leaks electricity
Entirely.
Authorization Notice No. is that the Chinese utility model patent of CN207082861U discloses a kind of electric vehicle automatically powered off
Current feedback unit is arranged in charger in charger, whether enters the floating charge stage by current feedback unit detection charging；
Relay when entering the floating charge stage in control charging unit power supply line disconnects, to be in after making charger charging complete
Non-band electricity condition.
But battery, when entering the floating charge stage, the only state-of-charge of battery is higher and is not full of, if straight at this time
The power supply for disconnecting charger is connect, the electricity of battery can not be full of, cause charging effect poor, the cruising ability of battery is low to ask
Topic.
Utility model content
The utility model provides a kind of charger, for solving in the prior art charging effect when charging the battery
The problem of difference.
To achieve the above object, technical solution provided by the utility model is:
The output interface of a kind of charger, including charging control circuit, charging control circuit is electrically charged equipment for connecting,
Input interface is for connecting power supply；It is provided on the route that charging control circuit input interface is used to connect power supply and controllably opens
It closes；
The charging control circuit is also connected with current sensor and time control circuit, and the current sensor is for examining
Survey the electric current of charging control circuit output interface；The control terminal of the time control circuit connection controllable switch.
Technical solution provided by the utility model, charging control circuit connect controllable switch by time control circuit,
When battery enters the floating charge stage, charging control circuit sends to time control circuit and instructs, and time control circuit is in setting
Controllable switch disconnection can be just controlled after time, can still be charged within the set time for battery, to guarantee to fill battery
Electric effect.
As the further improvement to time control circuit, the time control circuit includes controller, the time relay
And switching tube；The controller connects current sensor, and wherein one end of the time relay coil part is for connecting electricity
Source, the anode of other end connection switch pipe, the control electrode of controller connection switch pipe, the cathode of switching tube is for being grounded.
As the further improvement to controllable switch, the controllable switch is electromagnetism section breaker.
As the further improvement to charger, in order to show whether controllable switch is disconnected, the charge control electricity
Road is also connected with charge condition display.
As the further improvement to charge condition display, the charge condition display is indicator light.
Detailed description of the invention
Fig. 1 is the structure principle chart of charger in the utility model embodiment；
Fig. 2 is the structure principle chart that indicator light is arranged in the utility model embodiment in charger；
Fig. 3 is the circuit structure diagram of charger in the utility model embodiment；
In figure: 1 is controllable switch, and 2 be charging control circuit, and 3 be time control circuit, and 4 is are electrically charged battery, and 5 be electricity
Flow sensor, 6 be charge condition display, and 101 switch for electromagnetism separating brake, and 102 be zero sequence transformer, and 103 be protection circuit,
104 be electromagnetism opening coil and actuating mechanism.
Specific embodiment
The utility model provides a kind of charger, for solving in the prior art charging effect when charging the battery
The problem of difference.
To achieve the above object, technical solution provided by the utility model is:
The output interface of a kind of charger, including charging control circuit, charging control circuit is electrically charged equipment for connecting,
Input interface is for connecting power supply；It is provided on the route that charging control circuit input interface is used to connect power supply and controllably opens
It closes；
The charging control circuit is also connected with current sensor and time control circuit, and the current sensor is for examining
Survey the electric current of charging control circuit output interface；The control terminal of the time control circuit connection controllable switch.
The technical solution of the utility model is described further with reference to the accompanying drawing.
The present embodiment provides a kind of charger, which is used to be electric vehicle charging, disconnects supplying when charging is complete
Electricity to keep charger not charged under non-charged state, and guarantees the charging effect to battery by delay control circuit.
Charger provided by the present embodiment, system structure is as shown in Figure 1, include charging control circuit 2, charge control
The input interface of circuit 2 is for connecting power supply, and power supply can be alternating current, or power station；It is inputted in charging control circuit 2
Interface is used to connect on the route of power supply and is provided with controllable switch 1.It leaks electricity in order to prevent, controllable switch 1 in the present embodiment
Using the electromagnetism section breaker for having creepage protection function, earth leakage protective can not only be realized, and after switch disjunction
Isolation effect it is more preferable.
The output interface of charging control circuit 2 is electrically charged battery 4 for connecting, and in the output of charging control circuit 2
Interface is provided with current sensor 5.Charging control circuit 2 is connect with current sensor 5, and current sensor 5 is for detecting charging
Current value at 2 output interface of control circuit, and send it to charging control circuit 2.
Charging control circuit 2 is also connected with time control circuit 3, and time control circuit 3 connects the control of controllable switch 1
End.The current signal judgement that charging control circuit 2 is received according to current sensor 5 is electrically charged whether battery 4 enters floating charge rank
Section sends control instruction to time control circuit 3 if being electrically charged battery 4 enters the floating charge stage；Time control circuit 3 connects
After receiving control instruction, control controllable switch 1 is closed within the set time；Being electrically charged can also after battery 4 enters the floating charge stage
A period of time is recharged, can be guaranteed to the charging effect for being electrically charged battery 4.
Setting time can be controlled according to charging modes, and when charging modes are trickle charge, setting time can be arranged
It is shorter；When charging modes are fast charge, the length that setting time can be arranged is a bit.
In order to show whether controllable switch 1 is disconnected, i.e., whether charging control circuit 2 is powered down, can be in charge control
Charge condition display 6 is set at circuit 2, as shown in Fig. 2, charge condition display 6 can be display screen, or
Indicator light, the charge condition display in the present embodiment are indicator light；When charge condition display 6 is display screen,
Controllable switch 1 is directly displayed out on display screen is still closed row state in row state is disconnected；When charge condition display is
When indicator light, charge condition display 6 is bright when charging control circuit charges, and otherwise charge condition display 6 does not work.
Charger provided by the present embodiment, circuit diagram is as shown in figure 3, its electromagnetism for having creepage protection function
Section breaker 1 is by electromagnetism separating brake switch 101, zero sequence transformer 102, protection circuit 103 and electromagnetism opening coil and actuating mechanism
104 compositions, and it is equipped with the leak(age) test circuit being made of current-limiting resistance R and test button SB.One of leak(age) test circuit connects
Line end is connected on the power supply line L after zero sequence transformer 102, and a terminals in leak(age) test circuit are connected to zero-sequence mutual inductance
On power supply line N before device 102, when the end of incoming cables for the electromagnetism section breaker for having creepage protection function access alternating current, and to electromagnetism
After 101 closing by hand of separating brake switch, test button SB is pressed, zero sequence transformer 102 will test the leakage current simulated to one,
Electromagnetism opening coil and actuating mechanism 104 is driven to act after protecting the rectification amplification of circuit 103,101 disjunction of electromagnetism separating brake switch.
Charging control circuit 2 includes Switching Power Supply and controller IC 3 based on UP3842 chip, what controller IC 3 used
It is LM324N chip, and is additionally provided with the rectification circuit of filter inductance L1, diode D1-D4 composition in charging control circuit
With transformer T.The charging control circuit belongs to the prior art, and its working principle is same as the prior art.In charge control electricity
Voltage stabilizing chip IC2 and photoelectrical coupler IC4 are additionally provided in road 2, wherein the pole model TL431, A of voltage stabilizing chip IC2 is steady
The anode of chip IC 2 is pressed, the pole K is the cathode of voltage stabilizing chip IC2, and the pole G is the reference pole of voltage stabilizing chip IC2.Photoelectrical coupler IC4
Model BT430.
Time control circuit 3 includes the power supply control circuit of time relay KT, the power supply electricity of time relay KT
Source control circuit includes resistance R44, resistance R45 and triode U3, is connected in parallel on electricity condition index after resistance R44, R45 series connection and shines
The both ends of the green diode of diode D14.Triode U3 is NPN type, and the base stage of triode U3 is connected to resistance R44 and resistance
The series connection point of R45, emitter are connected to the cathode of the internal circuit power supply of charging control circuit, and collector connects time relay
The other end of wherein one end of the coiler part of device KT, time relay KT coiler part connects charging control circuit internal circuit
The anode of power supply, the model HD48S of time relay KT.
The normally opened contact of time relay KT is electrically connected to the test button of the electromagnetism section breaker 1 with creepage protection function
The both ends of SB.When charging control circuit 2 is to being electrically charged battery and charging to the floating charge stage, the connecting triode U3 of controller IC 3
The pin of base stage exports high level, lights the green diode of charged state index light emitting diode D14, triode U3 is led
Logical, the coiler part of time relay KT obtains electric.The coiler part of time relay KT obtain it is electric after start timing, work as timing duration
The normally opened contact for reaching time relay KT after setting duration is attracted, and zero of the electromagnetism section breaker 1 with creepage protection function
Sequence mutual inductor 102 will test to one simulate leakage current, protection circuit 103 rectification amplification after drive electromagnetism opening coil and
Actuating mechanism 104 acts, 101 disjunction of electromagnetism separating brake switch.
It can be the controllable switches such as relay, breaker, contactor, thyristor as other embodiments controllable switch 1.
Claims (5)
1. the output interface of a kind of charger, including charging control circuit, charging control circuit is electrically charged equipment for connecting, defeated
Incoming interface is for connecting power supply；Controllable switch is provided on the route that charging control circuit input interface is used to connect power supply；
It is characterized in that, the charging control circuit is also connected with current sensor and time control circuit, the current sense
Device is used to detect the electric current of charging control circuit output interface；The control terminal of the time control circuit connection controllable switch.
2. charger according to claim 1, which is characterized in that the time control circuit include controller, the time after
Electric appliance and switching tube；The controller connects current sensor, and wherein one end of the time relay coil part is for connecting
Power supply is connect, the anode of other end connection switch pipe, the control electrode of controller connection switch pipe, the cathode of switching tube is for being grounded.
3. charger according to claim 1, which is characterized in that the controllable switch is electromagnetism section breaker.
4. charger according to claim 1, which is characterized in that the charging control circuit is also connected with charged state and refers to
Showing device.
5. charger according to claim 4, which is characterized in that the charge condition display is indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461887.4U CN208589805U (en) | 2018-09-06 | 2018-09-06 | A kind of charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461887.4U CN208589805U (en) | 2018-09-06 | 2018-09-06 | A kind of charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208589805U true CN208589805U (en) | 2019-03-08 |
Family
ID=65545780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821461887.4U Active CN208589805U (en) | 2018-09-06 | 2018-09-06 | A kind of charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208589805U (en) |
-
2018
- 2018-09-06 CN CN201821461887.4U patent/CN208589805U/en active Active
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