CN2410804Y

CN2410804Y - Composite charger

Info

Publication number: CN2410804Y
Application number: CN 00201319
Authority: CN
Inventors: 吴信宏
Original assignee: LONGXIE ELECTRONIC INDUSTRY Co Ltd
Current assignee: LONGXIE ELECTRONIC INDUSTRY Co Ltd
Priority date: 2000-01-26
Filing date: 2000-01-26
Publication date: 2000-12-13
Anticipated expiration: 2010-01-26

Abstract

The utility model relates to a composite charger which is used for the battery charging of mobile communication apparatus in various brands. The utility model comprises a charger and at least one charge seat. The charger can carry out selecting operation on the voltage and the current of the charge seat through a voltage and current selecting switch so that an electric loop which is arranged in the charger can generate various corresponding combination of voltage and current for battery charging. The combination of voltage and current for battery charging is output to the charge seat so that batteries to be charged on the charge seat can be charged. Charge connection seats of more than one kind are arranged on the charge seat so as to extend the connecting terminals of the charge connection seats, and thereby, a charging function can be offered to batteries of a plurality of mobile communication apparatus in different brands the number of which is more than one.

Description

The combined type charger

The utility model combined type charger refers to a kind ofly be used for mobile communication equipment battery charge especially, and can provide multiple different charging voltage, electric current to select and the charger of output.

The mobile communication equipment has become the indispensable carry-on Communication Equipment of communication communication in the daily life, all houses, in the car, outdoor, the mountain area, different shelters such as seashore, all can not be subjected to the restriction of speech range and scope and do extensively communication easily and communicate, yet, along with mobile communication activity and mobile communication equipment are universal day by day, the kind and the brand of mobile communication equipment are a feast for the eyes, non-ly can speak in the past, and in these numerous mobile communication equipment, battery is then dominated supply of electric power and the communication operation time and the ability of all mobile communication equipment, therefore, battery has become the of paramount importance assembly of mobile communication equipment.

Yet; for the battery of mobile communication equipment; be charged as the essential electric power of carrying out and replenish process; but along with the price decline of mobile communication equipment and the universalness of quantity; member in individual or family often has one or more mobile communication equipment; and various mobile communication equipment on the market are because of asking different; the essential different brands that uses; the battery of form; its rated voltage not only; the electric current difference; and how inequality face shaping is also; cause various different brands in individual or the family; the charger of form is full of; and ever-increasing trend is arranged; not only cause and carry; harvesting and use at home inconvenience and the serious overlapping wasting phenomenon of resource, and charger upgrades or damages the formed electric discarded object problem of banking up of can't decomposing in a large number of throwing aside in the future, will make environmental protection face enormous pressure and challenge.

The design people concentrates on studies thoughts on this, and the design of combined type charger is arranged, and comprises charger and cradle two major parts.Wherein, charger partly can convert civil power to various charging voltage, electric current, so that different types of battery is charged, wherein there are voltage, current selected switch can select different charging voltages, electric current, the places that different chargings are used such as can adapt in different countries, area and vehicle whenever and wherever possible; And, cradle can adapt to difference and the kind number that uses rechargeable battery brand, form, and an amount of and different flexibly battery charge joint seats of work expand the binding use at any time, so can use the environmental issue of carrying, receiving and keeping and using inconvenience, the overlapping waste of resource and throwing aside in a large number at home of the mobile communication equipment battery charger that improves each single brand, pattern.

The design's main purpose is to provide a kind of combined type charger, the charger cording has multiple charging voltage, the available use of electric current, and by a voltage, current selected switch be provided with the operation, so that the corresponding charging voltage of output, electric current to be provided at different brands, pattern battery, can eliminate the environmental issue that overlapping waste in charger aptitude source and charging equipment are thrown aside in a large number.

The design's another purpose is to provide a kind of combined type charger, the DC charging power conversions of this charger partly, use high pressure and low tension switch formula (Switching Mode) element and thread switching control road, therefore volume and weight all can be reduced to minimumly, are convenient to carry, receive and keep and use at home.

The design's a purpose again is to provide a kind of combined type charger, this cradle cording has the charging joint seat of more than one different types, link charging with the mobile communication equipment rechargeable battery that adapts to different brands, pattern, and then can expand kind and scope that battery charger uses flexibly.

The design's another again purpose is to provide a kind of combined type charger; have voltage reference conversion loop and current reference conversion loop in this charger; give a microprocessor with actual charging voltage and the current feedback that exports battery on the cradle to of charger; with the charging voltage and the electric current of accurate control charger output, and then protect rechargeable battery and obtain higher charging power conversion efficiency.

The design's detailed circuit structure and effect can be set forth by following detailed description, and conjunction with figs. is enumerated with a preferred embodiment, more can further understanding be arranged to its technology contents.

Fig. 1 is the systematic square frame circuit diagram of the utility model combined type charger;

Fig. 2 is the structure chart of an embodiment of cradle of the utility model combined type charger;

Fig. 3 is another example structure of cradle figure of the utility model combined type charger;

Fig. 4 is the another example structure figure of cradle of the utility model combined type charger;

Fig. 5 is a physical circuit figure of the utility model combined type charger system.

Among the figure

100 chargers, 10 ac power plugs

11 high-voltage rectifying loops, 12 high frequency transformers

13 high side switch formula elements, 14 high side switch formula control loops

15 lower pressure rectifier loops, 16 direct current input sockets

17 fixed voltages detect 18 optical coupling loops, loop

21 filtering of 20 low tension switch elements, reversed charge prevent the loop

22 low-pressure end bang-bang control loops, 23 voltage comparison loop

24 electric current comparison loop, 25 first normal voltages produce the loop

26 current detection circuits, 27 second normal voltages produce the loop

30 microprocessors, 31 voltages, current selected switch

32 voltage reference change-over circuits, 33 current reference change-over circuits

34 discharge loops, 35 discharge buttons

36 s, 37 buzzers

200 cradles, 210 charging joint seats

220 tie lines, 230 link heads

240 pedestals, 241 links

250 charging joint seat box A high-voltage DC power supplies

B high-frequency low-voltage AC power C dc output power

The D charge power supply

Below in conjunction with each embodiment of description of drawings.

Shown in Figure 1 is the systematic square frame circuit diagram of the utility model combined type charger, and Fig. 5 is the detailed physical circuit figure of corresponding diagram 1 each square frame.Consult Fig. 1 and 5, represent that this charger partly among each figure and to number 100, wherein, this charger 100 comprises an ac power plug 10, its kenel is regardless of, can decide according to the electric main supply socket kenel that links, with with a certain range of voltage values, mains supply as 85 volts～265 volts of scopes is connected to a high-voltage rectifying loop 11, and above-mentioned electric main power source conversion is become high-voltage DC power supply A output, and deliver to the primary side of a high frequency transformer 12, the other end of high frequency transformer 12 then is connected to a high side switch formula (Switching Mode) element 13, its kenel is for bearing the transistor of high-voltage switch gear working morphology, the thyristor element constitutes, and, this high-voltage switch gear formula does not have 13 of parts and bears the on-off control action that a high side switch formula control loop 14 is opened it (ON) in the mode of high frequency and closed (OFF), make the secondary end of above-mentioned high frequency transformer 12 produce high-frequency low-voltage AC power B output, deliver to again in the lower pressure rectifier loop 15, so that lower pressure rectifier loop 15 produces the direct current out-put supply C output of a certain range of voltage values (about about 12 volts～14 volts).

The output in above-mentioned lower pressure rectifier loop 15, system is linked to a direct current input socket 16, the form of this direct current input socket 16 is regardless of, as be the automobile cigarette lighter attachment plug formation of various forms, to be provided with drawing the power supply that connects in the use automobile, and,, do not have situation about occurring simultaneously with above-mentioned dc output power C because direct current input socket 16 is only to be provided in the automobile to use.And the dc output power C that above-mentioned lower pressure rectifier loop 15 outputs are exported or the DC power supply of direct current input socket 16, being connected to a fixed voltage again detects in the loop 17, with the voltage that detects dc output power C (or DC power supply of direct current input socket 16) whether between above-mentioned dc voltage value scope (about 12 volts～14 volts), and control an optical coupling loop 18, come the above-mentioned high side switch formula control loop of drive controlling 14 to adjust opening of control high-voltage switch gear formula element 13, close the switching cycle, keep dc output power C within specific voltage value scope accurately to reach.

Dc output power C that above-mentioned lower pressure rectifier loop output is exported or the DC power supply of being exported through direct current input socket 16, and deliver to again in the low tension switch formula element 20, the kenel of this low tension switch formula element 20 constitutes for transistor, the thyristor element that can bear low tension switch, its output then is linked to a filtering, reversed charge prevents loop 21, produce the charge power supply D of a rated voltage, and deliver to one of cradle 200 (seeing also shown in Figure 2) charging joint seat 210 for battery charge.Above-mentioned low pressure suitching type element 20 also is subjected to a low-pressure end bang-bang control loop 22 and controls the action that it opened and closed switching in the mode of high frequency, and the controlling signal that this low-pressure end bang-bang control loop 22 is subjected to a voltage comparison loop 23 and an electric current comparison loop 24 decides the Push And Release switching cycle of low tension switch formula element 20, with the charge power supply D that produces burning voltage and control the charging current that it exports different current values.

Above-mentioned voltage comparison loop 23 is that above-mentioned filtering, reversed charge are prevented that loop 21 and one first normal voltage from producing both voltage of loop 25 and making comparisons and produce a controlling signal to control the mode of this low-pressure end bang-bang control loop 22 with high frequency, to the switching cycle adjustment that low tension switch formula element 20 is opened and closed, further reach and make the stable effect that remains in load voltage value of charging voltage D.

24 of above-mentioned electric current comparison loop produce both voltage of loop 27 with a current detection circuit 26 and one second normal voltage and make comparisons and produce a controlling signal and control the mode of low-pressure end bang-bang control loop 22 with high frequency, the switching cycle adjustment that low tension switch formula element 20 is opened and closed, and reach the effect of accurate control charging current output, and, this current detection circuit 26 is direct feedback and detect its current value on the charging joint seat 210 of this cradle 200, can make its charging current output control more accurate.

One microprocessor 30, control centre and pivot button for charger 100 whole circuits, this microprocessor 30 is accepted a voltage, the input control mark or the numerical value of current selected switch 31, decide the charging voltage value and the current value of the charging joint seat 210 that exports cradle 200 to, that is operate selection according to the specified charging voltage and the charging current of the mobile communication equipment battery of institute desire charging, and control first normal voltage produce loop 25 produce the comparative voltage of standard voltage value, for the reference frame as a comparison of above-mentioned voltage comparison loop 23, and control second normal voltage produce comparative voltage that loop 27 also produces standard current value for above-mentioned electric current comparison loop 24 as the Current Control foundation of reference relatively, compare with the actual charge current value of being fed back with above-mentioned current detection circuit 26.

Above-mentioned microprocessor 30 is also accepted the actual charging voltage from feedback on the charging joint seat 210 of cradle 200 simultaneously; it is via obtaining signal or the numerical value that actual charging voltage value and charging current value convert relative reference on voltage reference conversion loop 32 and the current reference change-over circuit 33 self-charging joint seats 210; send in the microprocessor 30; further accurately to control charging voltage value and charging current value, reach the effect of protection battery.

Above-mentioned microprocessor 30 is more controlled a discharge loop 34, with when judging that the battery that is filled is ni-mh (Ni-H) or NI-G (Ni-Cd) battery, then be about to battery earlier and do the discharge of appropriateness, to eliminate the electrochemistry memory effect in the battery, or press next discharge button 35 by the user in addition, when the control command of will discharging is conveyed to microprocessor 30, also can make the 34 pairs of batteries of discharge loop do the action of discharge, to guarantee such as the battery of ni-mh, NI-G type tool electrochemistry memory effect full charging power really.

And above-mentioned microprocessor 30, also show battery charge or discharged condition for reference via 36 situation of current battery situation and charge or discharge simultaneously, and the form of this 36 also is regardless of limit, as displaying (array) with simple and clear LED, demonstration or constituting, to do the demonstration of relative charge or discharge status text or figure with the LCD display floater.

In addition, microprocessor 30 is also controlled a buzzer 37 different tones of generation or sound, so that the user needn't seen under the situation of looking 36, still can grasp the charge or discharge situation of battery at any time.

Please consult shown in Figure 2 again, combined type charger of the present utility model more includes a cradle 200, this cradle 200 is provided with multiple multi-form charging joint seat 210 more than, this charging joint seat 210 is to cooperate various different brands, the battery face shaping of the mobile communication equipment of form and power supply contact thereof and decide, can select to put different brands, the battery of the mobile communication equipment of form is provided with charging, and, this joint seat 210 that charges, and be connected to a connector 230 with a connecting line 220, be linked to the charge power supply that above-mentioned charger 100 is exported again by this connector 230, so that battery is charged.

Please consult shown in Figure 3 again, another example structure for cradle shown in Figure 2 200, promptly include a pedestal 240, and be linked to the output charge power supply of above-mentioned charger 100 by above-mentioned connecting line 220 and connector 230, and be provided with some links 241, to connect the charging joint seat 210 of one or more brands, form at least, can do suitable binding adjustment and expansion binding with user's user demand, the user is enjoyed have more the effect that elasticity reaches autonomous flexibly charging outfit adjustment use.

Please consult shown in Figure 4 again, it is another example structure of Fig. 2 and cradle shown in Figure 3 200, with the cradle 200 structure differences among Fig. 3, promptly itself include pedestal 240 (not showing among Fig. 4) at this charging joint seat box 250, the charging joint seat 210 that can take in multiple different brands, form is in wherein, when desire is used, the joint seat 210 of each can being charged takes out to be linked to be combined on the joint seat box 250 that charges via link 241 and uses, and can be convenient to further that the user carries or uses for many people when the house.

Spirit of the present utility model is to simplify the most and can be by user's charging circuit structure of selection operation charging voltage and charging current voluntarily, and, the charger that volume is the dexterousst, so that the user is when making the mobile communication equipment battery charge of multiple different brands, form, can only can finish, and be convenient to carry use, harvesting with single charger, and, further, can avoid and eliminate the overlapping waste of charger resource and the environmental issue that is caused of throwing aside in a large number.

Above Fig. 1-combined type charger of the present utility model shown in Figure 5, the related description that is disclosed and graphic wherein is a corner of the preferred embodiment only enumerated for ease of illustrating its technology contents and technological means, and unrestricted its category.All all equivalent substitution and displacements at structural detail modification of the present utility model, change and element, when not breaking away from the utility model spirit and category, its scope will be defined by following claims.

Claims

1. a combined type charger comprises a charger and cradle, it is characterized in that, the circuit structure of this charger comprises:

One high-voltage rectifying loop converts high-voltage DC power supply output to the electric main with input;

One high frequency transformer, primary side link the output in above-mentioned high-voltage rectifying loop, introducing this high-voltage DC power supply, and produce high-frequency low-voltage AC power output by inferior dimension end conversion;

One high side switch formula element and high side switch formula control loop, this high side switch element system is linked to high frequency transformer, and be subjected to high side switch formula control loop it to be opened (ON) in the mode of high frequency and close the switching controls action of (OFF), make the secondary end of above-mentioned high frequency transformer produce high-frequency low-voltage AC power output;

One lower pressure rectifier loop links the high-frequency low-voltage AC power that above-mentioned high frequency transformer secondary end is exported, so that produce the dc output power output of a certain specific voltage value scope;

One fixed voltage detects loop and optical coupling loop, this fixed voltage detect loop in order to the dc output power voltage that detects above-mentioned lower pressure rectifier loop and exported whether in specific dc voltage value scope, and control this optical coupling loop, come the open and close switching cycle of the above-mentioned high side switch formula control loop adjustment control high-voltage switch gear formula element of drive controlling;

One low-pressure end switching regulator element and filtering, reversed charge prevent the loop, this low tension switch formula element system links the dc output power that the above-mentioned lower pressure rectifier of input loop is exported, its output then is linked to this filtering, reversed charge prevents the loop, to produce the charge power supply output of a rated voltage;

One low tension switch formula control loop is controlled the action of the open and close switching of above-mentioned low-pressure end switching regulator element in order to high-frequency mode;

One voltage comparison loop and electric current comparison loop are given this low-pressure end bang-bang control loop in order to the output controlling signal, to determine the Push And Release switching cycle of above-mentioned low tension switch formula element;

One first normal voltage produces the loop, the voltage of its generation system and above-mentioned filtering, reversed charge prevent that the above-mentioned voltage comparison loop of the charge power supply voltage input of loop output from making comparisons, control the mode of this low-end switch formula control loop to produce a controlling signal, the open and close switching cycle of low tension switch formula element is adjusted with high frequency;

One second normal voltage produces loop and current detection circuit, the actual output charging current value of current detection circuit system feedback charge power supply, and together import above-mentioned electric current comparison loop with second normal voltage generation loop and make comparisons, control the mode of low-pressure end bang-bang control loop to produce a controlling signal, the open and close switching cycle of low tension switch formula element is adjusted with high frequency;

One microprocessor and a voltage, current selected switch, microprocessor is accepted the input controlling signal of voltage, current selected switch, decide the magnitude of voltage and the current value of the charge power supply of output, and control according to the magnitude of voltage of this setting that first normal voltage produces the loop and second normal voltage produces the loop, produce relative standard voltage value, make the foundation of comparing with actual charging voltage of charge power supply and charging current value with difference voltage supplied comparison loop and electric current comparison loop;

One voltage reference conversion loop and current reference change-over circuit are that acquisition actual charging voltage value and charging current value convert the relative reference signal to, send in the microprocessor;

Cradle, cording have multiple different charging joint seat, for the storing battery, and link the charge power supply that above-mentioned charger is exported, so that battery is charged.

2. combined type charger as claimed in claim 1 is characterized in that, this charger is to be drawn by an ac power plug to connect the electric main power supply.

3. combined type charger as claimed in claim 1 is characterized in that, the high-voltage switch gear formula element of this charger is that the transistor of tool HF switch, thyristor constitute.

4. combined type charger as claimed in claim 1 is characterized in that, the low tension switch formula element of this charger is that the transistor of tool low pressure HF switch, thyristor constitute.

5. combined type charger as claimed in claim 1 is characterized in that, the output in the lower pressure rectifier loop of this charger links a direct current input socket, to link the external dc power input.

6. combined type charger as claimed in claim 5 is characterized in that, this direct current input socket system can be linked to the DC power supply in the automobile.

7. combined type charger as claimed in claim 1 is characterized in that this charger more comprises a discharge loop, with by the microprocessor controlling and driving, and the battery on the cradle is made discharging action.

8. combined type charger as claimed in claim 7 is characterized in that this discharge loop comprises a discharge button, give microprocessor with pressing operation input discharge control command, and the control discharge loop is made discharging action to battery.

9. combined type charger as claimed in claim 1 is characterized in that this charger comprises, to show the state of battery charge and discharge.

10. combined type charger as claimed in claim 9 is characterized in that, this is that LED, array constitute.

11. combined type charger as claimed in claim 9 is characterized in that, this is that LCD constitutes.

12., it is characterized in that this system does the demonstration of literal, figure as claim 9,10 or 11 described combined type chargers.

13. combined type charger as claimed in claim 1 is characterized in that this charger comprises a buzzer, can produce different tones and sound demonstration charged state according to battery charging state control by microprocessor.

14. combined type charger as claimed in claim 1 is characterized in that, this cradle system comprises a connecting line and connector, to be connected to the charge power supply of charger output.

15. combined type charger as claimed in claim 1 is characterized in that, this cradle system comprises a pedestal, and this pedestal is provided with a plurality of links, for linking the charging joint seat that expands more than one.

16. combined type charger as claimed in claim 15 is characterized in that, this cradle system is provided with a charging joint seat box, for taking in from multiple different joint seat.