CN203827039U - Novel power-saving mobile phone charger - Google Patents
Novel power-saving mobile phone charger Download PDFInfo
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- CN203827039U CN203827039U CN201420186534.3U CN201420186534U CN203827039U CN 203827039 U CN203827039 U CN 203827039U CN 201420186534 U CN201420186534 U CN 201420186534U CN 203827039 U CN203827039 U CN 203827039U
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Abstract
The utility model provides a novel power-saving mobile phone charger, and relates to the technical field of chargers. The charger comprises a housing (9) and a charging circuit in the housing (9). The charging circuit also comprises power interfaces (1a,1b), a transformer (21), a rectification circuit (22), an electromagnetic control circuit (3), a charging interface (8), a first voltage sampling circuit (6), a second voltage sampling circuit (7), a master control chip (4), and a display circuit (5). The charger is low in cost, wide in application range, and can perform intelligent charging on mobile phone cell, preventing overcharge and insufficient charging of a mobile phone cell.
Description
Technical field
The utility model relates to charger technical field, more particularly, relates to a kind of novel power saving charger for mobile phone.
Background technology
Existing charger for mobile phone mostly adopts ac/dc voltage transformation technology, produces the direct current that meets cellular li-ion battery power reguirements battery of mobile phone is charged and realizes the transfer process of electric energy to chemical energy by change in voltage.In current service condition, charger for mobile phone has extensively spread to every family, but not having electricity-saving function, common charger for mobile phone also cannot judge mobile phone charge capacity state, can only battery of mobile phone be charged continuity, a kind of like this charging modes had both been unfavorable for that the use of battery of mobile phone had also caused great waste, particularly mobile phone charging at present is generally carried out at night, only need 3～4 hours and charging process is general, the waste of energy causing and battery of mobile phone loss are very big, and easily occur the security incidents such as battery of mobile phone blast.So improvement charger for mobile phone, realizes intelligent charge tool significance to a certain extent.
Summary of the invention
Content of the present utility model is to provide a kind of novel power saving charger for mobile phone, and it can overcome certain or some defect of prior art.
According to a kind of novel power saving charger for mobile phone of the present utility model, the charging circuit that it comprises shell and is located at enclosure, wherein, charging circuit also comprises power interface, for accessing 220V AC power; Transformer, its high-pressure side is connected with power interface; Rectification circuit, the low-pressure side of its input access transformer, its output output 5V direct voltage; Electromagnetic control circuit, it comprises a relay, the output of one end access rectification circuit of the pair of contact of relay, the other end of described pair of contact is connected with a detection resistance R, thereby the control coil by control relay electric and dead electricity be controlled turning on and off of described pair of contact; Charging inlet, it is connected with described detection resistance R, for the access of mobile phone charging wire; The first voltage sampling circuit, it is connected with charging inlet, and the battery of mobile phone voltage U1 of sampling is converted to digital signal; Second voltage sample circuit, it is connected with electric current output pole plate, and the voltage U 2 of electric current output pole plate place of sampling is converted to digital signal; Main control chip, its VCC end is connected with the output of rectification circuit, receives the digital signal that the first voltage sampling circuit and second voltage sample circuit transmit, and transmits control signal to relay.
As preferably, charging circuit can also comprise display circuit, and it comprises that LED drives chip and LED display, wherein, LED display drives chip to be connected with main control chip by LED, and for showing charge information, LED drives the VCC end of chip to be connected with the output of rectification circuit.
As preferably, electromagnetic control circuit can also comprise electric current input pole plate, electric current output pole plate, electromagnet and permanent magnet, and electric current input pole plate is connected with the output of rectification circuit, and electric current is exported pole plate and is connected with described detection resistance R; What electromagnet and permanent magnet were parallel to each other fixes in the enclosure, and electric current input pole plate is constructed to be permeable to slide between the gap of electromagnet and permanent magnet, and electric current output pole plate is fixed on permanent magnet; Electromagnet is by the output of the described pair of contact access rectification circuit on relay, thus control by controlling turning on and off of described pair of contact electric current input pole plate and electric current output pole plate contact, separate.
A kind of novel power saving charger for mobile phone of the present utility model, it utilizes main control chip and the voltage sampling circuit that is connected with main control chip carries out sample detecting to the voltage of mobile phone charging output, main control chip utilizes known operation program the voltage data collecting is carried out to computing and judge whether battery of mobile phone is full of, if be full of, main control chip is to the electromagnetic control circuit cut-out cell phone charging circuit that transmits control signal, main control chip sends to display circuit by battery electric quantity information and shows in LED display simultaneously, thereby user can learn mobile phone charged state at any time, and in the time that being full of, battery electric quantity stops charging, realize the design object of economize on electricity consumption reduction, realize charging mobile phone battery intellectuality, improve utilization rate of electrical.
As preferably, shell comprises the front plate of arc and the backplate of plate shape, and front plate and backplate are configured to the profile of shell hemispherical, and charging circuit is arranged in the cavity that front plate and backplate surround; Backplate is provided with two latches for connecting power interface, caves in to the inside and a platform for placing LED display in the middle part of front plate; The junction of front plate and backplate is provided with the opening for placing charging inlet.
As preferably, on electric current input pole plate and electric current output pole plate, be equipped with antistatic processing layer.
As preferably, charging inlet adopts USB standard output port.
As preferably, the first voltage sampling circuit comprises AD voltage sample module LM358 and AD sampled data conversion chip, and AD voltage sample module LM358 gathers battery of mobile phone voltage U1, and AD sampled data conversion chip is converted to digital quantity by U1 and sends to main control chip.
As preferably, second voltage sample circuit comprises AD voltage sample module LM358 and AD sampled data conversion chip, AD voltage sample module LM358 gathers the voltage of electric current output pole plate place, and AD sampled data conversion chip is converted to digital quantity by U2 and sends to main control chip.
As preferably, main control chip adopts single-chip microcomputer.
A kind of novel power saving charger for mobile phone of the present utility model, its employing charging inlet adopts USB standard output port, charging voltage is the output voltage electric current of 5V/1A, meets the charger standard of most of mobile phone in the market, and having good compatibility can be widely used and promote.A kind of novel power saving charger for mobile phone of the present utility model, it is designed with display circuit, can show in real time battery electric quantity, is convenient to user and knows at any time charge condition, has avoided mobile phone to be discontented with battery is shortened because charging.
Brief description of the drawings
Fig. 1 is the charging circuit circuit diagram of a kind of novel power saving charger for mobile phone in embodiment 1;
Fig. 2 is the schematic appearance of a kind of novel power saving charger for mobile phone in embodiment 1;
Fig. 3 is the charged state schematic diagram of a kind of novel power saving charger for mobile phone in embodiment 1;
Fig. 4 is the off-position schematic diagram of a kind of novel power saving charger for mobile phone in embodiment 1.
The toponym that in accompanying drawing, each number designation refers to is as follows: 1a-power interface, 1b-power interface, 21-transformer, 22-rectification circuit, 3-electromagnetic control circuit, 31-electric current input pole plate, 32-electric current output pole plate, 33-electromagnet, 34-relay, 35-permanent magnet, 4-main control chip, 5-display circuit, 51-LED drives chip, 52-LED display (52), the 6-the first voltage sampling circuit, 7-second voltage sample circuit, 8-charging inlet, 9-shell.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1 and Figure 2, be a kind of novel power saving charger for mobile phone of the present embodiment, the charging circuit that it comprises shell 9 and is located at shell 9 inside, wherein, charging circuit also comprises power interface 1a, 1b, for accessing 220V AC power, transformer 21, its high-pressure side is connected with power interface 1a, 1b, rectification circuit 22, the low-pressure side of its input access transformer 21, its output output 5V direct voltage, electromagnetic control circuit 3, it also comprises electric current input pole plate 31, electric current output pole plate 32, electromagnet 33, relay 34 and permanent magnet 35, wherein, electromagnet 33 and being fixed in shell 9 that permanent magnet 35 is parallel to each other, electric current input pole plate 31 is constructed to be permeable to slide between the gap of electromagnet 33 and permanent magnet 35, electric current output pole plate 32 is fixed on permanent magnet 35, electromagnet 33 is by the output of the pair of contact access rectification circuit 22 on relay 34, relay 34 is by controlling the logical of electromagnet 33, thereby the disconnected electric current input pole plate 31 that controls is exported contacting of pole plate 32 with electric current, separate, charging inlet 8, it is connected with electric current output pole plate 32 by a detection resistance R, for accessing mobile phone charging wire, the first voltage sampling circuit 6, it is connected with charging inlet, and the battery of mobile phone voltage U1 of sampling is converted to digital signal, second voltage sample circuit 7, it is connected with electric current output pole plate 32, and the voltage U 2 at electric current output pole plate 32 places of sampling is converted to digital signal, main control chip 4, its VCC end is connected with the output of rectification circuit 22, receives the digital signal that the first voltage sampling circuit 6 and second voltage sample circuit 7 transmit, and transmits control signal to relay 34.
In addition, display circuit 5, it also comprises that LED drives chip 51 and LED display 52, wherein, LED display 52 drives chip 51 to be connected with main control chip 4 by LED, and for showing charge information, LED drives the VCC end of chip 51 to be connected with the output of rectification circuit 22.
In this enforcement, shell 9 adopts epoxy resin to make, having the design of the unique employing of antistatic protection and electroshock-proof function and moulding semi arch conveniently takes, shell 9 comprises the front plate of arc and the backplate of plate shape, front plate and backplate are configured to the profile of shell 9 hemispherical, and charging circuit is arranged in the cavity that front plate and backplate surround; Backplate is provided with two latches for connecting power interface 1a, 1b, caves in to the inside and a platform for placing LED display 52 in the middle part of front plate; The junction of front plate and backplate is provided with the opening for placing charging inlet 8.On electric current input pole plate 31 and electric current output pole plate 32, be equipped with antistatic processing layer.Charging inlet 8 adopts USB standard output port.The first voltage sampling circuit 6 comprises AD voltage sample module LM358 and AD sampled data conversion chip, and AD voltage sample module LM358 gathers battery of mobile phone voltage U1, and AD sampled data conversion chip is converted to digital quantity by U1 and sends to main control chip 4.Second voltage sample circuit 7 comprises AD voltage sample module LM358 and AD sampled data conversion chip, and AD voltage sample module LM358 gathers the voltage at electric current output pole plate 32 places, and AD sampled data conversion chip is converted to digital quantity by U2 and sends to main control chip 4.Main control chip 4 adopts single-chip microcomputer.
In the lower time of a kind of novel power saving charger for mobile phone charged state of the present embodiment, power interface 1a, 1b access 220V AC power is output as the direct current of 5V/1A after transformer 21 and rectification circuit 22 rectifications, and this direct current provides singlechip chip operating voltage.Now, be connected with respectively the first voltage sampling circuit 6 and second voltage sample circuit 7 at the two ends of detecting resistance R, the first voltage sampling circuit 6 gathers battery of mobile phone voltage U1, second voltage sample circuit 7 gathers the voltage U 2 at electric current output pole plate 32 places, and U1 and U2 send to main control chip 4 after AD sampled data conversion chip is treated to digital quantity.Main control chip 4 obtains charging current I according to detection resistance R, U1, U2, wherein, I=(U2-U1)/R.According to charging principle, battery of mobile phone voltage raises gradually along with the carrying out of charging process, and in the time that electric weight is full of, the voltage difference that detects resistance R two ends is minimum, and the charging current I that flows through detection resistance R is minimum.In the present embodiment, when setting charging current I is less than or equal to 0.01A, mobile phone electric weight is full of.As shown in Figure 3, in the time that charging current I does not reach 0.01A, main control chip 4 control relays 34, make it to keep off-position, thereby make electromagnet 33 coil blackouts, electric current input pole plate 31 reliably contacts with electric current output pole plate 32 under the magnetic action of permanent magnet 35, maintains charged state.The value of U1/U2 is driven chip 51 show in LED display 52 by LED in this while main control chip 4, this value is to illustrate that cell-phone battery electric-charge quantity is 0 at 0 o'clock, this value is to illustrate that battery has been full of electricity at 1 o'clock, in this value for reaching before 1, LED display 52 colors show green, show in charging, in this value for reaching at 1 o'clock, LED display 52 colors show red, show that charging finishes.
When a kind of novel power saving charger for mobile phone of the present embodiment has charged, as shown in Figure 4, in the time that charging current I does not arrive 0.01A, main control chip 4 control relays 34, make it to keep to obtain electricity condition, thereby it is electric that electromagnet 33 coils are obtained, electric current input pole plate 31 is adsorbed by electromagnet 33, thereby electric current input pole plate 31 is separated, complete charge state with electric current output pole plate 32.
LED display 52 shows when mobile phone electric weight is full of, when being connected of a kind of novel power saving charger for mobile phone that can extract battery of mobile phone and disconnect the present embodiment as user and power supply, electromagnet 33 and all dead electricity of main control chip 4, now electric current input pole plate 31 reliably contacts under permanent magnet 35 acts on again with electric current output pole plate 32, for charging process is next time prepared.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (9)
1. a novel power saving charger for mobile phone, comprises shell (9) and is located at the inner charging circuit of shell (9), it is characterized in that: charging circuit also comprises power interface (1a, 1b), for accessing 220V AC power; Transformer (21), its high-pressure side is connected with power interface (1a, 1b); Rectification circuit (22), the low-pressure side of its input access transformer (21), its output output 5V direct voltage; Electromagnetic control circuit (3), it comprises a relay (34), the output of one end access rectification circuit (22) of the pair of contact of relay (34), the other end of described pair of contact is connected with a detection resistance R, by control relay (34) thus control coil electric and dead electricity be controlled turning on and off of described pair of contact; Charging inlet (8), it is connected with described detection resistance R, for the access of mobile phone charging wire; The first voltage sampling circuit (6), it is connected with charging inlet, and the battery of mobile phone voltage U1 of sampling is converted to digital signal; Second voltage sample circuit (7), it is connected with electric current output pole plate (32), and the voltage U 2 that the electric current output pole plate (32) of sampling is located is converted to digital signal; And main control chip (4), its VCC end is connected with the output of rectification circuit (22), receives the digital signal that the first voltage sampling circuit (6) and second voltage sample circuit (7) transmit, and transmits control signal to relay (34).
2. a kind of novel power saving charger for mobile phone according to claim 1, it is characterized in that: charging circuit also comprises display circuit (5), display circuit (5) comprises that LED drives chip (51) and LED display (52), wherein, LED display (52) drives chip (51) to be connected with main control chip (4) by LED, be used for showing charge information, LED drives the VCC end of chip (51) to be connected with the output of rectification circuit (22).
3. a kind of novel power saving charger for mobile phone according to claim 1 and 2, it is characterized in that: electromagnetic control circuit (3) also comprises electric current input pole plate (31), electric current output pole plate (32), electromagnet (33) and permanent magnet (35), electric current input pole plate (31) is connected with the output of rectification circuit (22), and electric current output pole plate (32) is connected with described detection resistance R; Electromagnet (33) and being fixed in shell (9) that permanent magnet (35) is parallel to each other, electric current input pole plate (31) is constructed to be permeable to slide between the gap of electromagnet (33) and permanent magnet (35), and electric current output pole plate (32) is fixed on permanent magnet (35); Electromagnet (33) is by the output of the described pair of contact access rectification circuit (22) on relay (34), thereby controls electric current input pole plate (31) and electric current and export the contact of pole plate (32), separate by controlling turning on and off of described pair of contact.
4. a kind of novel power saving charger for mobile phone according to claim 2, it is characterized in that: shell (9) comprises the front plate of arc and the backplate of plate shape, front plate and backplate are configured to the profile of shell (9) hemispherical, and charging circuit is arranged in the cavity that front plate and backplate surround; Backplate is provided with two latches for connecting power interface (1a, 1b), caves in to the inside and a platform for placing LED display (52) in the middle part of front plate; The junction of front plate and backplate is provided with the opening for placing charging inlet (8).
5. a kind of novel power saving charger for mobile phone according to claim 3, is characterized in that: on electric current input pole plate (31) and electric current output pole plate (32), be equipped with antistatic processing layer.
6. a kind of novel power saving charger for mobile phone according to claim 1, is characterized in that: charging inlet (8) adopts USB standard output port.
7. a kind of novel power saving charger for mobile phone according to claim 1, it is characterized in that: the first voltage sampling circuit (6) comprises AD voltage sample module LM358 and AD sampled data conversion chip, AD voltage sample module LM358 gathers battery of mobile phone voltage U1, and AD sampled data conversion chip is converted to digital quantity by U1 and sends to main control chip (4).
8. a kind of novel power saving charger for mobile phone according to claim 1, it is characterized in that: second voltage sample circuit (7) comprises AD voltage sample module LM358 and AD sampled data conversion chip, AD voltage sample module LM358 gathers the voltage that electric current output pole plate (32) is located, and AD sampled data conversion chip is converted to digital quantity by U2 and sends to main control chip (4).
9. a kind of novel power saving charger for mobile phone according to claim 1, is characterized in that: main control chip (4) adopts single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186534.3U CN203827039U (en) | 2014-04-17 | 2014-04-17 | Novel power-saving mobile phone charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186534.3U CN203827039U (en) | 2014-04-17 | 2014-04-17 | Novel power-saving mobile phone charger |
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| Publication Number | Publication Date |
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| CN203827039U true CN203827039U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420186534.3U Expired - Fee Related CN203827039U (en) | 2014-04-17 | 2014-04-17 | Novel power-saving mobile phone charger |
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| Country | Link |
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| CN (1) | CN203827039U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529774A (en) * | 2016-01-19 | 2016-04-27 | 中山顺富节能科技有限公司 | Special charging electricity-saving appliance for mobile equipment |
| CN108258764A (en) * | 2018-01-30 | 2018-07-06 | 重庆市长寿区臻波通讯设备有限公司 | Wrist-band-type mobile phone charger |
-
2014
- 2014-04-17 CN CN201420186534.3U patent/CN203827039U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529774A (en) * | 2016-01-19 | 2016-04-27 | 中山顺富节能科技有限公司 | Special charging electricity-saving appliance for mobile equipment |
| CN108258764A (en) * | 2018-01-30 | 2018-07-06 | 重庆市长寿区臻波通讯设备有限公司 | Wrist-band-type mobile phone charger |
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| 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: 20140910 Termination date: 20150417 |
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| EXPY | Termination of patent right or utility model |