CN205051378U - Can prevent charger that cell -phone excessively charges - Google Patents
Can prevent charger that cell -phone excessively charges Download PDFInfo
- Publication number
- CN205051378U CN205051378U CN201520720358.1U CN201520720358U CN205051378U CN 205051378 U CN205051378 U CN 205051378U CN 201520720358 U CN201520720358 U CN 201520720358U CN 205051378 U CN205051378 U CN 205051378U
- Authority
- CN
- China
- Prior art keywords
- electromagnetism
- charger
- movable contact
- grammed switch
- charger body
- 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.)
- Expired - Fee Related
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Abstract
Can prevent charger that cell -phone excessively charges, including charger body (1), its characterized in that: the inside of charger body (1) is provided with vary voltage module (4) and electromagnetism programmable switch (7), and movable contact is installed to the bottom of electromagnetism programmable switch (7), corresponds under the movable contact to be provided with conductive contact (8), and conductive contact (8) are connected with USB connector (3), and electromagnetism programmable switch (7) still are connected with microprocessor's (6) output, and the inboard of USB connector (3) is read module (5) with the electric quantity and is connected, the utility model discloses a how much the electric quantity reads the situation of charging that the module read mobile phone batteries through the data line in real time and electric quantity to still has the overcurrent protection function, can effectually cut off the circuit when accomplishing the condition that unusual heavy current perhaps appears if charge, avoid the damage of equipment such as charger and cell -phone, the security performance has obtained the improvement.
Description
Technical field
The utility model relates to a kind of charger, particularly relates to a kind of charger that can prevent mobile phone from overcharging, belongs to household electrical appliance technical field.
Background technology
The frequency of mobile phone connecting charger charging is higher, mobile phone charge for a long time forgotten to pull out power supply be easy to cause mobile phone and charger overheated, nature may be caused time serious on fire, there is certain potential safety hazard.The charger construction that current people use is simple, and do not have mobile phone electricity and be full of rear automatic circuit break function, security performance is not high.
Summary of the invention
The purpose of this utility model is simple for the socket used at present, not there is mobile phone electricity and be full of rear automatic circuit break function, there is defect and the deficiency of certain potential safety hazard, now provide a kind of rational in infrastructure, can automatic cut-off power after mobile phone charging complete, the charger that what security performance was improved can prevent mobile phone from overcharging.
For achieving the above object, technical solution of the present utility model is: can prevent the charger that mobile phone overcharges, comprise charger body, the front end outer side of charger body is provided with plug, the rear end of charger body is provided with USB connector, it is characterized in that: the inside of described charger body is provided with voltage changing module and electromagnetism grammed switch, the input of voltage changing module is connected with plug, the output of voltage changing module is connected with electromagnetism grammed switch, the bottom of electromagnetism grammed switch is provided with movable contact, immediately below movable contact, correspondence is provided with conductive contact, conductive contact is connected with USB connector, electromagnetism grammed switch is also connected with the output of microprocessor, the inner side of USB connector is connected with electricity read module, electricity read module is connected with the input of microprocessor.
The latter half of described electromagnetism grammed switch is electromagnetism lifting part, and the bottom of electromagnetism lifting part is fixed with movable contact, is provided with cut spring between the side of movable contact and charger body.
Connection line between described voltage changing module and electromagnetism grammed switch is provided with overcurrent protector, and overcurrent protector is connected with microprocessor.
The beneficial effects of the utility model are: by electricity read module in real time through data wire read the charge condition of battery of mobile phone and electricity how many; and the break-make of charging circuit is realized by the action of Microprocessor S3C44B0X electromagnetism grammed switch; and there is overcurrent protection function; if charging complete or can effectively cut off circuit when there is the situation of abnormal big current; avoid the damage of the equipment such as charger and mobile phone, security performance is improved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: charger body 1, plug 2, USB connector 3, voltage changing module 4, electricity read module 5, microprocessor 6, electromagnetism grammed switch 7, conductive contact 8, cut spring 9.
Embodiment
Illustrate below in conjunction with accompanying drawing and with embodiment, the utility model to be described in further detail.
See Fig. 1, the charger that can prevent mobile phone from overcharging of the present utility model, comprise charger body 1, the front end outer side of charger body 1 is provided with plug 2, the rear end of charger body 1 is provided with USB connector 3, it is characterized in that: the inside of described charger body 1 is provided with voltage changing module 4 and electromagnetism grammed switch 7, the input of voltage changing module 4 is connected with plug 2, the output of voltage changing module 4 is connected with electromagnetism grammed switch 7, the bottom of electromagnetism grammed switch 7 is provided with movable contact, immediately below movable contact, correspondence is provided with conductive contact 8, conductive contact 8 is connected with USB connector 3, electromagnetism grammed switch 7 is also connected with the output of microprocessor 6, the inner side of USB connector 3 is connected with electricity read module 5, electricity read module 5 is connected with the input of microprocessor 6.
The latter half of described electromagnetism grammed switch 7 is electromagnetism lifting part, and the bottom of electromagnetism lifting part is fixed with movable contact, is provided with cut spring 9 between the side of movable contact and charger body 1.
Connection line between described voltage changing module 4 and electromagnetism grammed switch 7 is provided with overcurrent protector, and overcurrent protector is connected with microprocessor 6.
As accompanying drawing 1, the front end outer side of charger body 1 is provided with plug 2, and the rear end of charger body 1 is provided with USB connector 3, and the inside of charger body 1 is provided with voltage changing module 4 and electromagnetism grammed switch 7.The input of voltage changing module 4 is connected with plug 2, and the output of voltage changing module 4 is connected with electromagnetism grammed switch 7, and electromagnetism grammed switch 7 is for controlling the break-make of light source of charger.The bottom of electromagnetism grammed switch 7 is provided with movable contact, immediately below movable contact, correspondence is provided with conductive contact 8, line conduction when conductive contact 8 moves downward afterwards and contacts with movable contact, conductive contact 8 is connected with USB connector 3, and USB connector 3 is connected with power consumption equipments such as mobile phones by data wire.
The latter half of electromagnetism grammed switch 7 is electromagnetism lifting part, the bottom of electromagnetism lifting part is fixed with movable contact, electromagnetism is elevated part moved downward in electromagnetic force when obtaining electric, and then movable contact is contacted with conductive contact 8, circuit turn-on.Between the side of movable contact and charger body 1, cut spring 9 is installed, electromagnetism lifting part upwards can be pushed open when electromagnetism is elevated part dead electricity by cut spring 9, make movable contact and conductive contact 8 quick separating, cut off circuit, avoid overcharging.
Electromagnetism grammed switch 7 is also connected with the output of microprocessor 6, the inner side of USB connector 3 is connected with electricity read module 5, electricity read module 5 is connected with the input of microprocessor 6, electricity read module 5 can read the charge condition of battery of mobile phone and electricity is how many through data wire in real time, and information is passed to microprocessor 6.In order to avoid the unexpected big current in circuit; the connection line of the utility model between voltage changing module 4 and electromagnetism grammed switch 7 is provided with overcurrent protector; overcurrent protector is connected with microprocessor 6; when there is unexpected big current, microprocessor 6 equally also can control electromagnetism grammed switch 7 and cut off charging circuit; avoid the damage of the equipment such as charger and mobile phone, security performance is improved.
Claims (3)
1. can prevent the charger that mobile phone overcharges, comprise charger body (1), the front end outer side of charger body (1) is provided with plug (2), the rear end of charger body (1) is provided with USB connector (3), it is characterized in that: the inside of described charger body (1) is provided with voltage changing module (4) and electromagnetism grammed switch (7), the input of voltage changing module (4) is connected with plug (2), the output of voltage changing module (4) is connected with electromagnetism grammed switch (7), the bottom of electromagnetism grammed switch (7) is provided with movable contact, immediately below movable contact, correspondence is provided with conductive contact (8), conductive contact (8) is connected with USB connector (3), electromagnetism grammed switch (7) is also connected with the output of microprocessor (6), the inner side of USB connector (3) is connected with electricity read module (5), electricity read module (5) is connected with the input of microprocessor (6).
2. the charger that can prevent mobile phone from overcharging according to claim 1, it is characterized in that: the latter half of described electromagnetism grammed switch (7) is electromagnetism lifting part, the bottom of electromagnetism lifting part is fixed with movable contact, is provided with cut spring (9) between the side of movable contact and charger body (1).
3. the charger that can prevent mobile phone from overcharging according to claim 1; it is characterized in that: the connection line between described voltage changing module (4) and electromagnetism grammed switch (7) is provided with overcurrent protector, overcurrent protector is connected with microprocessor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520720358.1U CN205051378U (en) | 2015-09-17 | 2015-09-17 | Can prevent charger that cell -phone excessively charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520720358.1U CN205051378U (en) | 2015-09-17 | 2015-09-17 | Can prevent charger that cell -phone excessively charges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205051378U true CN205051378U (en) | 2016-02-24 |
Family
ID=55344922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520720358.1U Expired - Fee Related CN205051378U (en) | 2015-09-17 | 2015-09-17 | Can prevent charger that cell -phone excessively charges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205051378U (en) |
-
2015
- 2015-09-17 CN CN201520720358.1U patent/CN205051378U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20160917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |