CN103326426A - Electromobile charger self-outage device - Google Patents
Electromobile charger self-outage device Download PDFInfo
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- CN103326426A CN103326426A CN2013102239417A CN201310223941A CN103326426A CN 103326426 A CN103326426 A CN 103326426A CN 2013102239417 A CN2013102239417 A CN 2013102239417A CN 201310223941 A CN201310223941 A CN 201310223941A CN 103326426 A CN103326426 A CN 103326426A
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- charger
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- disconnecting device
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Abstract
The invention discloses an electromobile charger self-outage device. The electromobile charger self-outage device comprises an electromobile charger and a storage battery. The electromobile charger self-outage device is characterized by further comprising a sensing module used for detecting current signals of the charger, and a control circuit module used for on-off control according to the current signals. The input end of the control circuit module is connected with the output end of the sensing module, and the output end of the control circuit module is connected with the charger. The electromobile charger self-outage device can detect the charging currents automatically, cut off a charger power source in time, prolong the service life of the charging circuit, lower power consumption and protect the electromobile storage battery from damage caused by overcharge. The electromobile timing charger is simple in circuit structure and high in reliability. Due to a single-chip microcomputer structure, the timing time can be set at will according to requirements, the functions can be upgraded according to the requirements, and use is convenient.
Description
Technical field
The present invention relates to a kind of electric car charger Self-disconnecting device.
Background technology
Electric motor car is more and more at home now, and people use charger that electric vehicle accumulator is charged usually.A lot of chargers all have charging protection function; be that charger is controlled charger switch by the magnitude of voltage that detects electric vehicle accumulator; but the product quality of a lot of charger manufacturers is uneven, the long situation that causes electric vehicle accumulator to damage of charging interval often occurs occur.Because the charging interval is long can not in time cut off circuit, reduce on the one hand charger useful life, make on the other hand electric vehicle accumulator overcharge damage.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, and a kind of electric car charger Self-disconnecting device that can realize automatically controlling according to the electric vehicle accumulator charge condition charger break-make is provided.
The present invention adopts following technical scheme for achieving the above object:
A kind of electric car charger Self-disconnecting device comprises electric car charger and storage battery, it is characterized in that, described electric charger Self-disconnecting device also comprises: for detection of the induction module of described charger current signal; Be used for the control circuit module according to current signal control break-make; The input of described control circuit module connects the output of described induction module, the output connecting charger of described control circuit module.
It is further characterized in that: described induction module comprises: for detection of the charging current of described charger, and current conversion is become the current transformer of analog signal; For detection of the charging current of described charger, and current conversion is become the A/D converter of analog signal; The output of described current transformer connects the input of described A/D converter.
It is further characterized in that: described control circuit module comprises: be used for the operation current value, the single chip machine controlling circuit that this current value and original start current value are compared; Be used for carrying out the relay that break-make is controlled according to the time delayed signal of single chip machine controlling circuit output; The input of described relay connects single chip machine controlling circuit, the output connecting charger of described relay.
It is further characterized in that: described electric charger Self-disconnecting device also comprises the timing setting button, and the output of described timing setting button is connected with the input of single chip machine controlling circuit.
It is further characterized in that: described electric charger Self-disconnecting device also comprises power supply and the switch for power supply, and the input of described switch connects power supply, and the output of described switch connects the control circuit module.
Compared with prior art, electric car charger Self-disconnecting device of the present invention can detect charging current automatically, in time cuts off light source of charger; Simultaneously can improve the charging circuit life-span, reduce power consumption, prevent that electric vehicle accumulator from damaging owing to overcharging; And the timing charger of electric vehicle circuit structure is simple, and reliability is high; Because adopt single chip computer architecture, timing can arbitrarily be adjusted as requested, upgrade function is easy to use as requested.
Description of drawings
Fig. 1 is structural representation of the present invention;
Wherein: 1, power supply; 2, switch; 3, current transformer; 4, A/D converter; 5, timing setting button; 6, single chip machine controlling circuit; 7, relay; 8, charger; 9, electric vehicle accumulator.
Embodiment
A kind of electric car charger Self-disconnecting device as shown in Figure 1, described electric motor car charging Self-disconnecting device is comprised of power supply 1, switch 2, current transformer 3, A/D converter 4, timing charge button 5, single chip machine controlling circuit 6, relay 7, charger 8, electric vehicle accumulator 9.Current transformer 3 is for detection of the charging current of charger 8.On the control winding of the output control relay 7 of single chip machine controlling circuit 6, the input of charger 8 links to each other with the 220V AC power by the normally-closed contact of relay 7.
Described electric car charger Self-disconnecting apparatus system is achieved as follows:
The user opens switch 2, power supply 1 to single chip machine controlling circuit 6 power supplies, is in holding state behind the system initialization.
When the user begins to charge, current transformer 3 detects after the charging current of chargers 8 and to send data to A/D converter 4 with the data of analog signal form, A/D converter 4 becomes digital signal to send single chip machine controlling circuit 6 to the data transaction of analog form, single chip machine controlling circuit 6 goes out current value through sequential operation, single chip machine controlling circuit 6 should value be compared with set point, if charging current, illustrates electric vehicle accumulator 9 greater than set point and be not full of electricity, single chip machine controlling circuit 6 is failure to actuate; If the charging current that single chip machine controlling circuit 6 calculates is less than set point, the electric weight that electric vehicle accumulator 9 is described is full of, for guaranteeing that electric vehicle accumulator 9 fully is full of electricity, the electric motor car charging device of autotomying can postpone the power supply that certain hour cuts off charger 8, so single chip machine controlling circuit 6 will output signal to according to the time delays of setting the control winding of relay 7, after the control winding energising of relay 7, the normally-closed contact of relay 7 can disconnect, charger 8 disconnects with the 220V AC power, stop so just to have realized the electric car charger automatic circuit break function to electric vehicle accumulator 9 chargings.
The user can adjust according to the concrete condition of actual electric vehicle accumulator 9 delay time of the deferred action of single chip machine controlling circuit 6 by timing setting button 5, change the trickle charge time of charger 8.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. an electric car charger Self-disconnecting device comprises electric car charger and storage battery, it is characterized in that, described electric charger Self-disconnecting device also comprises:
Induction module for detection of described charger current signal;
Be used for the control circuit module according to current signal control break-make;
The input of described control circuit module connects the output of described induction module, the output connecting charger of described control circuit module.
2. a kind of electric car charger Self-disconnecting device according to claim 1 is characterized in that, described induction module comprises:
For detection of the charging current of described charger, and current conversion is become the current transformer of analog signal;
Being used for analog signal conversion is the A/D converter of digital signal;
The output of described current transformer connects the input of described A/D converter.
3. a kind of electric car charger Self-disconnecting device according to claim 1 is characterized in that, described control circuit module comprises:
Be used for the operation current value, the single chip machine controlling circuit that this current value and original start current value are compared;
Be used for carrying out the relay that break-make is controlled according to the time delayed signal of single chip machine controlling circuit output;
The input of described relay connects single chip machine controlling circuit, the output connecting charger of described relay.
4. a kind of electric car charger Self-disconnecting device according to claim 3 is characterized in that, described electric charger Self-disconnecting device also comprises the timing setting button, and the output of described timing setting button is connected with the input of single chip machine controlling circuit.
5. a kind of electric car charger Self-disconnecting device according to claim 1, it is characterized in that, described electric charger Self-disconnecting device also comprises power supply and the switch for power supply, and the input of described switch connects power supply, and the output of described switch connects the control circuit module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102239417A CN103326426A (en) | 2013-06-07 | 2013-06-07 | Electromobile charger self-outage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102239417A CN103326426A (en) | 2013-06-07 | 2013-06-07 | Electromobile charger self-outage device |
Publications (1)
| Publication Number | Publication Date |
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| CN103326426A true CN103326426A (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2013102239417A Pending CN103326426A (en) | 2013-06-07 | 2013-06-07 | Electromobile charger self-outage device |
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| CN (1) | CN103326426A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356565A (en) * | 2015-12-03 | 2016-02-24 | 南京信息工程大学 | Electric vehicle charging protection device |
| CN106771544A (en) * | 2017-01-03 | 2017-05-31 | 徐州融慧达电子科技有限公司 | Charging detection device and method for measuring charged |
| CN107215236A (en) * | 2017-07-07 | 2017-09-29 | 镇江市辰辉电子科技有限公司 | Electric car charge timing power-down control device |
| CN108134420A (en) * | 2017-12-29 | 2018-06-08 | 西安理工大学 | A kind of charger for electric bicycle monitoring system and its power-off method |
| CN108539828A (en) * | 2018-05-30 | 2018-09-14 | 深圳市鑫悦购网络科技有限公司 | Charging circuit for electric vehicles and electric vehicle charging equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201533177U (en) * | 2009-09-01 | 2010-07-21 | 浙江比华丽电子科技有限公司 | Electric vehicle charger with timing device |
| CN201663469U (en) * | 2010-01-03 | 2010-12-01 | 无锡职业技术学院 | Electric vehicle safety charger with timing power-off function |
| CN202679047U (en) * | 2012-06-19 | 2013-01-16 | 王洪锋 | Automatic power-off protective charger |
| CN203312776U (en) * | 2013-06-07 | 2013-11-27 | 无锡商业职业技术学院 | Automatic power-off device for electric car charger |
-
2013
- 2013-06-07 CN CN2013102239417A patent/CN103326426A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201533177U (en) * | 2009-09-01 | 2010-07-21 | 浙江比华丽电子科技有限公司 | Electric vehicle charger with timing device |
| CN201663469U (en) * | 2010-01-03 | 2010-12-01 | 无锡职业技术学院 | Electric vehicle safety charger with timing power-off function |
| CN202679047U (en) * | 2012-06-19 | 2013-01-16 | 王洪锋 | Automatic power-off protective charger |
| CN203312776U (en) * | 2013-06-07 | 2013-11-27 | 无锡商业职业技术学院 | Automatic power-off device for electric car charger |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356565A (en) * | 2015-12-03 | 2016-02-24 | 南京信息工程大学 | Electric vehicle charging protection device |
| CN106771544A (en) * | 2017-01-03 | 2017-05-31 | 徐州融慧达电子科技有限公司 | Charging detection device and method for measuring charged |
| CN107215236A (en) * | 2017-07-07 | 2017-09-29 | 镇江市辰辉电子科技有限公司 | Electric car charge timing power-down control device |
| CN108134420A (en) * | 2017-12-29 | 2018-06-08 | 西安理工大学 | A kind of charger for electric bicycle monitoring system and its power-off method |
| CN108539828A (en) * | 2018-05-30 | 2018-09-14 | 深圳市鑫悦购网络科技有限公司 | Charging circuit for electric vehicles and electric vehicle charging equipment |
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Application publication date: 20130925 |