CN2335296Y - AC/DC rechargeable type power supply for mobile telephone set - Google Patents
AC/DC rechargeable type power supply for mobile telephone set Download PDFInfo
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- CN2335296Y CN2335296Y CN98205526U CN98205526U CN2335296Y CN 2335296 Y CN2335296 Y CN 2335296Y CN 98205526 U CN98205526 U CN 98205526U CN 98205526 U CN98205526 U CN 98205526U CN 2335296 Y CN2335296 Y CN 2335296Y
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- plug
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- rechargeable battery
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Abstract
The utility model relates to an AC/DC rechargeable type power supply device for a mobile phone. The utility model comprises a casing which is composed of a panel and a back casing and a charging device which is arranged in the casing, wherein the casing is provided with an inwards concave chamber for holding a plug. The plug is composed of a plastic body, a left electric inserting piece, a right electric inserting piece, a left plastic supporting shaft and a right plastic supporting shaft, and the left plastic supporting shaft and the right plastic supporting shaft are pivoted in a notch of the inwards concave chamber and a notch of a plastic supporting plate on the inner side of the casing. The electric inserting pieces and a conductive elastic piece of the charging device are in contact with each other when the plug is turned outwards and is positioned, and are disengaged from each other when the plug swings inwards and is folded up. A bi-color light, an overheating protection circuit, etc. are arranged in the charging device, and can indicate the states of charging and charging saturation. The charging device can stop charging under the state of charging saturation.
Description
The utility model relates to a kind of supply unit, relates to a kind of supply unit of alternating current-direct current charge type mobile phone or rather, and the electric main of both can directly having pegged graft charges to it, and also available commercially available charger carries out DC charging to its rechargeable battery set.
The prior mobile phone power supply must charge to it with charger, uses the electric power that mobile phone was consumed to replenish, and the mobile phone user also needs additionally to purchase charger except buying mobile phone, has increased expenditure.In addition, the general volume of this charger is big and constant weight is arranged, and occupies certain space, and inconvenience goes out to carry.
At the problems referred to above and improved charge type mobile phone supply unit as shown in Figure 1, comprise shell 10 and charging device.Default interior alcove 13 with left and right sides notch 4 on shell 10 panels 12 is for the plug 15 that holds the location of can turning up.This plug 15 has two plug-in sheets 16 and that protract and laterally runs through two plug-in sheets 16 to connect the conduction fulcrum 17 of two plug-in sheets, and electric main inserts charging device through plug-in sheet 16, conduction fulcrum 17 and the conductive plate 18 of plug 15.Because designed conduction fulcrum 17 is the rigid way of contact with the conductive plate 18 on the circuit board 11, can not reach the conductive effect of abundant contact, add plug 15 turn up the location and in pendulum when placing, conduction fulcrum 17 does not break away from conductive plate 18, also easily cause power consumption, influence conductivity.Particularly the location of plug 15 conduction fulcrums 17 is at circuit board 11 really on the fixing basis of assembling, supports to conduct electricity fulcrum 17 by conductive plate 18 again, and the loosening phenomenon of each parts takes place this kind structural design easily, and actual operating position is not ideal enough.
The ac input end attachment plug 15 of charging device, alternating current is carried out rectification, filtering and voltage stabilizing, drive circuit driving transformer and the charging circuit that constitutes via transistor again, so that rechargeable battery set 19 is charged into direct current, and dc output end is connected with the dc power supply terminal of panel 12, to mobile phone supply direct current.Yet charging device has charged in rechargeable battery set 19 can not close drive circuit when saturated automatically, thereby has wasted power supply, also and then influenced useful life of various circuit and rechargeable battery set 19.In addition, this charging device overheat protector design of saturated demonstration and rechargeable battery set 19 of also not charging.
The purpose of this utility model is a kind of alternating current-direct current charge type mobile phone supply unit of design, have whole assembly rapidly, connect reliable, long-lived characteristics, can improve the conducting effect of electric current, charge type battery in it needn't draw off from device and can be plugged on electric main and charge, charge and all can show and stop charging to save electric energy, the useful life of improving each circuit and rechargeable battery when saturated when charging voltage is reduced to certain limit or rechargeable battery set.
The purpose of this utility model is achieved in that alternating current-direct current charge type mobile phone supply unit, comprises shell of being made up of panel and back casing and the charging device that is arranged in the shell; Described shell is provided with interior alcove, being equipped with can turn up location or the plug that places of interior pendulum in the interior alcove; Drive circuit, charging circuit, rechargeable battery set and dc output end that described charging device comprises direct-flow input end and the ac input end that is linked in sequence, rectification circuit, filter circuit, voltage stabilizing circuit, connected and composed by transistor and transformer; Ac input end connects described plug, and direct-flow input end is the charging shell fragment and is connected with rechargeable battery set that described dc output end is the shell fragment of powering, and is connected with rechargeable battery set, it is characterized in that:
Described plug is made up of plastic body, left and right sides plug-in sheet and plastics fulcrum, runs through the state of lacking behind plastic body and the Cheng Qianchang before and after the described left and right sides plug-in sheet, and described plastics fulcrum extends the left and right sides that is arranged on the plastic body rear end; Be relatively set with notch on the left and right sides sidewall of alcove in described, the shell inboard relative with the left and right sides sidewall of interior alcove is provided with left and right sides plastics support plate, left and right sides plastics prop up the front edge of board correspondence notch are set, the left and right sides plastics fulcrum of the notch on the plastics support plate of the left and right sides and common clamping of notch on the sidewall of the left and right sides and the described plug of hub setting, described ac input end is two electroconductive elastic sheets, in the turn up back end in contact of when location and plug left and right sides plug-in sheet of described plug, and when pendulum places in described plug and the rear end disengaging of plug left and right sides plug-in sheet; Described charging device also includes overheating protection circuit, is connected between described charging circuit and the rechargeable battery set; Also be provided with the optical coupling switching circuit in the described drive circuit, also be connected with dichromatic LED in the described charging circuit, integrated of the series circuit of capacitor and diode and a linear operation, the series circuit of dichromatic LED and capacitor and diode respectively with described transformer secondary output coil and rechargeable battery set and downlink connection, the tie point series resistor and the voltage stabilizing didoe of capacitor and diode, voltage stabilizing didoe connects the reference voltage end of integrated of linear operation, the charging voltage end that computing is integrated connects rechargeable battery, the output that computing is integrated connects the control end of optical coupled switch in the drive circuit, and the output of optical coupled switch connects the transistor in the described drive circuit.
Alcove is arranged on the panel of shell in described.
Alcove is arranged on the back casing of shell in described.
Described overheating protection circuit is a thermistor, is connected between described transformer secondary output coil and described rechargeable battery set.
Alternating current-direct current charge type mobile phone supply unit of the present utility model, clamping and hold the plastics fulcrum of plug between interior alcove and housing, make plug-in sheet rear end electroconductive elastic sheet on the urgent contact charging device circuit board of energy when plug turns up the location of plug, and when the plug bottom places, this plug-in sheet rear end promptly breaks away from electroconductive elastic sheet up, therefore whole assembly is rapid, connects reliably, can improve the conduction of current effect.In this device, the plug of the location of can turning up also can be arranged on the back casing back side, so supply unit needn't unload the mobile phone civil power of can pegging graft and charges.Having increased dichromatic LED LED and thermistor in the charging device is connected with rechargeable battery set, when charging voltage is lower than reference voltage, dual-colored LED sends out a warning, when rechargeable battery set is charged when saturated, then dual-colored LED gives a green light, export electronegative potential to optical coupled switch in flakes by linear set simultaneously and stop charging, save electric energy, the useful life of improving each circuit and rechargeable battery set with control.
Say step explanation technology of the present utility model below in conjunction with embodiment and accompanying drawing
Fig. 1 is the three-dimensional decomposition texture schematic diagram of traditional mobile phone charging type power supply device
Fig. 2 is the three-dimensional schematic diagram of this alternating current-direct current charge type mobile phone supply unit
Fig. 3 is the three-dimensional decomposition texture schematic diagram of this alternating current-direct current charge type mobile phone supply unit
Fig. 4 is the turn up three-dimensional schematic diagram in when location of this alternating current-direct current charge type mobile phone supply unit plug
Fig. 5 is the sectional structure schematic diagram when alternating current-direct current charge type mobile phone supply unit plug turns up among Fig. 4
Fig. 6 is the side-looking structural representation of Fig. 5 diagrammatic sketch
Fig. 7 is the structural representation when pendulum places in the plug in Fig. 6 diagrammatic sketch
Fig. 8 is the theory diagram of this alternating current-direct current charge type mobile phone power source charges device
Fig. 9 is the enforcement circuit diagram of theory diagram shown in Figure 8
Figure 10 is the perspective view of another embodiment of this alternating current-direct current charge type mobile phone supply unit
Oneself addressed before Fig. 1 illustrated, repeated no more.
Referring to Fig. 2, this alternating current-direct current charge type mobile phone supply unit is a kind of supply unit of mobile phone charge type, and the electric main of can directly pegging graft (general 110 to 240 volts) charges.This charging type power supply device is provided with charging device in the enclosure, and in the front of housing face-plate 20 is provided with alcove space 22, for supporting and hold plug 30 that this plug 30 can turn up and locate also and can place by interior pendulum, can charge for direct grafting civil power when turning up the location.21 is back casings among the figure.
Referring to Fig. 3 and in conjunction with referring to Fig. 4 to Fig. 6, the shell of alternating current-direct current charge type mobile phone supply unit adopts high crest welding combination by panel 20 and back casing 21, alcove space 22 in the front default of panel 20, left and right sides sidewall 23,24 rear ends in alcove space 22 respectively are provided with a notch 25 in this, for cutting plastics fulcrum 32,33 about plastic body 31 on the configuration plug 30.34,35 front and back of the left and right sides plug-in sheet of plug 30 are to running through plastic body 31, and short state behind the Cheng Qianchang.Inboard plastics fulcrum 32,33 relatively in back casing 21 is provided with left and right sides plastics support plate 26,27, the front end of left and right sides plastics support plate 26,27 is provided with notch 28, be used for clamping and articulate the plastics fulcrum 32,33 of plug 30, plug 30 can be turned up for the center according to this notch 28 locate or interior pendulum places.
The shell of alternating current-direct current charge type mobile phone supply unit, internal lock is charging device circuit board 50 and rechargeable battery set 67 fixedly, ac input end in circuit board 50 stretches out two electroconductive elastic sheets 51,52, supplies the rear end of two plug-in sheets 34,35 of the tight butt plug 30 of elasticity, as shown in Figure 6.30 one-tenth positioning states that turn up of plug among Fig. 4, Fig. 5, Fig. 6, the plastic body 31 of plug 30 cooperates with the left and right sides sidewall 23,24 in interior alcove space 22, plastics fulcrum 32,33 then is all notch 28 on the left and right sides support plate 26,27 of plastic material and notch 25 clampings and the hub setting on the left and right sides sidewall 23,24, make city's electric energy successfully through the plug-in sheet 34,35 of plug 30 and electroconductive elastic sheet 51,52 and input to charging device, can reduce impedance and improve the conduction of current effect, and whole assembly is rapid, contact is reliable, durable in use.
Referring to Fig. 7, when alternating current-direct current charge type mobile phone supply unit does not need to charge, plug 30 can be leaned against in the interior alcove space 22 of panel 20 toward interior swing and receipts, the rear end that makes plug-in sheet 34,35 on the plug 30 up, the electroconductive elastic sheet 51,52 of breaking circuit plate 50.
Referring to Fig. 8, electric main enters the ac input end 60 of alternating current-direct current charge type mobile phone supply unit, behind rectification circuit 61, filter circuit 62, voltage stabilizing circuit 63, drive circuit 64 and charging circuit 65 rechargeable battery set 67 is charged.When using general commercially available charger 70, then via direct-flow input end 69 promptly as shown in Figure 3 42 pairs of rechargeable battery set 67 of charging shell fragment charge.When charge type battery pack 67 charging is saturated, can be assemblied on the mobile phone, and via dc output end 68 promptly as shown in Figure 3 power supply shell fragment 40,41 carry direct current to mobile phone.Rechargeable battery set 67 is when charging, but still standby of main frame.
Referring to Fig. 9, the ac input end 60 of charging device is directly imported 110 to 220 volt AC power, through rectification circuit 61 bridge rectifier D 1 AC rectification is become direct current, and wherein current-limiting resistance R1 can make the electric current of supply be limited in certain scope.Resistance R 2 in the filter circuit 62, diode D2 can cooperate transistor Q1 to be used for filtering, and work in coordination and export a reference voltage with Zener diode (voltage stabilizing didoe) D3 in the voltage stabilizing circuit 63, and then are used for voltage ratio for drive circuit 64.
Transistor Q1 and optical coupling switch E1 connect and compose switching circuit, and the certain voltage of oxide-semiconductor control transistors Q2 output, electric current also charge via transformer T, 65 pairs of rechargeable battery set 67 of charging circuit.Cross-over connection dual-colored LED, polyphone connect on the transformer T secondary coil output of charging circuit 65 capacitor C4 and diode D4 and rechargeable battery set 67.Integrated (IC) E2 output of linear operation electronegative potential is to optical coupling switch E1, and Q2 closes with oxide-semiconductor control transistors, and then stops charging, to save power supply, the useful life of improving each circuit and rechargeable battery set.In the charging circuit in transformer secondary output coil output cross-over connection dual-colored LED, the series circuit of capacitor C4 and diode D4, and cross-over connection rechargeable battery set, linear operation IC is connected between the tie point of capacitor C4 and diode D4 through Zener diode (voltage stabilizing didoe) D5, and provide a reference voltage, the other end of linear operation IC then is connected to the bridge position of dual-colored LED, compare charging voltage and reference voltage, when charging voltage is lower than reference voltage, dual-colored LED sends out a warning, and charge when saturated when rechargeable battery set, diode D4 conducting, dual-colored LED gives a green light, linear operation this moment IC output electronegative potential is to optical coupling switch E1, and the transistor Q1 of drive circuit is closed in control.
In the charging device; before connecting rechargeable battery set 67, transformer T secondary coil output also is serially connected with thermistor R10, the R11 of overheating protection circuit 66; when rechargeable battery set 67 internal temperatures are too high; the impedance step-down of thermistor R10, R11; so that overheat protector to be provided, it can not be charged again to rechargeable battery set 67.
Referring to Figure 10, the embodiment shown in the figure changes the back side that is located at back casing 210 with interior alcove 220, to support holding plug 30, makes this mobile phone supply unit needn't separate the mobile phone civil power of can pegging graft and charges.
In sum, alternating current-direct current charge type mobile phone supply unit of the present utility model, whole assembly is rapid, connects reliable, durable in use, can improve the conducting effect of electric current, be suitable for mobile phone and in holding state, charge, can show in the charging and the charging saturation condition, automatically the control charging stops when charging is saturated, save electric energy, the useful life of improving each circuit and rechargeable battery set, realistic instructions for use.
Claims (4)
1. an alternating current-direct current charge type mobile phone supply unit comprises shell of being made up of panel and back casing and the charging device that is arranged in the shell; Described shell is provided with interior alcove, being equipped with can turn up location or the plug that places of interior pendulum in the interior alcove; Drive circuit, charging circuit, rechargeable battery set and dc output end that described charging device comprises direct-flow input end and the ac input end that is linked in sequence, rectification circuit, filter circuit, voltage stabilizing circuit, connected and composed by transistor and transformer; Ac input end connects described plug, and direct-flow input end is the charging shell fragment and is connected with rechargeable battery set that described dc output end is the shell fragment of powering, and is connected with rechargeable battery set, it is characterized in that:
Described plug is made up of plastic body, left and right sides plug-in sheet and plastics fulcrum, runs through the state of lacking behind plastic body and the Cheng Qianchang before and after the described left and right sides plug-in sheet, and described plastics fulcrum extends the left and right sides that is arranged on the plastic body rear end; Be relatively set with notch on the left and right sides sidewall of alcove in described, the shell inboard relative with the left and right sides sidewall of interior alcove is provided with left and right sides plastics support plate, left and right sides plastics prop up the front edge of board correspondence notch are set, the left and right sides plastics fulcrum of the notch on the plastics support plate of the left and right sides and common clamping of notch on the sidewall of the left and right sides and the described plug of hub setting, described ac input end is two electroconductive elastic sheets, in the turn up back end in contact of when location and plug left and right sides plug-in sheet of described plug, and when pendulum places in described plug and the rear end disengaging of plug left and right sides plug-in sheet; Described charging device also includes overheating protection circuit, is connected between described charging circuit and the rechargeable battery set; Also be provided with the optical coupling switching circuit in the described drive circuit, also be connected with dichromatic LED in the described charging circuit, integrated of the series circuit of capacitor and diode and a linear operation, the series circuit of dichromatic LED and capacitor and diode respectively with described transformer secondary output coil and rechargeable battery set and downlink connection, the tie point series resistor and the voltage stabilizing didoe of capacitor and diode, voltage stabilizing didoe connects the reference voltage end of integrated of linear operation, the charging voltage end that computing is integrated connects rechargeable battery, the output that computing is integrated connects the control end of optical coupled switch in the drive circuit, and the output of optical coupled switch connects the transistor in the described drive circuit.
2. alternating current-direct current charge type mobile phone supply unit according to claim 1 is characterized in that: alcove is arranged on the panel of shell in described.
3. alternating current-direct current charge type mobile phone supply unit according to claim 1 is characterized in that: alcove is arranged on the back casing of shell in described.
4. alternating current-direct current charge type mobile phone supply unit according to claim 1, it is characterized in that: described overheating protection circuit is a thermistor, is connected between described transformer secondary output coil and described rechargeable battery set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98205526U CN2335296Y (en) | 1998-06-02 | 1998-06-02 | AC/DC rechargeable type power supply for mobile telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98205526U CN2335296Y (en) | 1998-06-02 | 1998-06-02 | AC/DC rechargeable type power supply for mobile telephone set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2335296Y true CN2335296Y (en) | 1999-08-25 |
Family
ID=33961891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98205526U Expired - Fee Related CN2335296Y (en) | 1998-06-02 | 1998-06-02 | AC/DC rechargeable type power supply for mobile telephone set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2335296Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026259A (en) * | 2016-06-26 | 2016-10-12 | 来安县新元机电设备设计有限公司 | Charging control circuit and charging device of electronic equipment |
-
1998
- 1998-06-02 CN CN98205526U patent/CN2335296Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026259A (en) * | 2016-06-26 | 2016-10-12 | 来安县新元机电设备设计有限公司 | Charging control circuit and charging device of electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |