CN2727982Y

CN2727982Y - Charger

Info

Publication number: CN2727982Y
Application number: CN 200420091503
Authority: CN
Inventors: 尚松
Original assignee: Mitac Computer Shunde Ltd
Current assignee: Mitac Computer Shunde Ltd
Priority date: 2004-08-29
Filing date: 2004-08-29
Publication date: 2005-09-21
Anticipated expiration: 2014-08-29

Abstract

The utility model discloses a charger, in particular to a vehicle-carrying type charger used for charging the portable type electronic deivces in a vehicle. The input part of the charger is provided with an input connector which matches the charging plug jack arranged in the vehicle. The input part is electrically connected with an output part through a connecting line. The input energy source is transported by the connecting line to a circuit unit in the output part and converted into a specific output energy source. The output energy source is transported form an output connector of the output part for charging an electronic device which is coupled with the output connector. In the charger, because the circuit unit is inbuilt in the output part, the current of the input energy source transported in the connecting line is small, thus the connecting line can be a fine transporting conducting line. The fine connecting line creates a small pressure to the output connector of the charger during the continuous vacillation and the continuous telescoping process. When used, the output connector is protected, thus the service life of the charger is longer.

Description

Charger

Technical field

The utility model relates to a kind of electrical equipment, particularly relates to a kind of vehicle that is used for, and is the portable electron device employed vehicular charger that charges.

Background technology

As shown in Figure 1, be the schematic diagram of a kind of charger of prior art, this charger 10 is a kind of vehicular electrical equipment, is used on the mobile vehicle, is used by portable electron device charges.This charger 10 comprises an input part 110, one efferent 120, and the connecting line 130 that connects input part 110 and efferent 120, wherein, input part 110 has an input adapter 111 and is built in the circuit unit 112 of input part, the charging jack that provides in this input adapter 111 and the vehicle couples mutually, and the DC power supply of the 10-30 volt that the charging jack provided of vehicle seen through input adapter 111 and be input to circuit unit 112 as the input power supply, this circuit unit 112 will be imported power source conversion and become specific out-put supply: voltage swing is 5 volts, and Electricity stream is 1 ampere; And the electric current of this out-put supply is through after the conversion of circuit unit 112, and the electric current of importing power supply is big; This out-put supply electrically conducts to the out splice going splice 121 that the efferent 120 of charger 10 is had through connecting line 130, this out splice going splice 121 couples mutually with electronic installation to be charged, with voltage is that 5 volts, electric current are that 1 ampere out-put supply is transferred to electronic installation, and electronic installation is charged.

In the above-mentioned charger 10, connecting line 130 is set to the similar scalable form with spring of profile, is beneficial to when occur waving in the vehicle driving process, and connecting line 130 can suitably stretch, and guarantees charger 10 carrying out smoothly to charge electronic devices.

And in the above-mentioned charger 10, because the size of current that out-put supply needs is 1 ampere, so circuit unit 112 need will be imported the current transformation of power supply and bring up to 1 ampere, connecting line 130 size of current that is transmitted as is 1 ampere a out-put supply.Because 130 electric current transmitted of this connecting line are bigger, so this connecting line 130 needs to use thicker transfer wire, when this charger 10 is in use, and particularly when vehicle is in more violent swing, at this moment, constantly swing of the thicker connecting line of lead 130, constantly flexible and cause the stress that is acted on of the out splice going splice 121 that couples mutually with electronic installation is increased, even bigger stress may damage the out splice going splice 121 of this efferent 120, thereby reduced the useful life of this charger 10.

Summary of the invention

The purpose of this utility model is to provide a kind of vehicular charger, this charger is applied in the vehicle, charging is used by portable electron device, and this charger is compared than prior art, electric current transmitted is less in the connecting line, thereby can use the thinner connecting line of lead, connecting line is reduced the stress of the out splice going splice effect of the efferent of this charger.

Charger of the present utility model adopts following technical scheme to realize: charger of the present utility model comprises input part, efferent, and the connecting line that connects input part and efferent, wherein, an input adapter that can couple mutually with the charging jack that provides in the vehicle is provided input part, and efferent has an out splice going splice and a circuit unit, this connecting line is used for the input adapter of input part is electrically connected mutually with the circuit unit of efferent, from the voltage of input adapter input is that the input power supply of 10-30 volt is flowed through behind this circuit unit, being converted into voltage is 5 volts, electric current is 1 ampere a out-put supply, this out-put supply conducts to the electronic installation that couples mutually with out splice going splice by the out splice going splice of efferent, and this electronic installation is charged.

Because in the charger of the present utility model, to become the input power source conversion circuit unit of out-put supply to be built in the efferent of charger, make transmit in the connecting line for the less input current of electric current, so the connecting line in the utility model charger can adopt thinner transfer wire relatively, and when this charger is used in the vehicle in travelling when charging for portable electron device, this thinner connecting line is constantly waving, constantly the stress that in the telescopic process out splice going splice of charger is produced will be little than prior art, so help protecting out splice going splice can in use not be damaged, thereby prolonged the useful life of charger; And, circuit unit is built in the efferent, reduced the volume of input part, and and the volume of increase efferent useless, compare with the charger of prior art, the volume of the efferent of charger of the present utility model is less, has more portable advantage, is beneficial to the use that matches with portable electron device.

Description of drawings

Fig. 1 is the schematic diagram of known a kind of vehicular charger.

Fig. 2 is the schematic diagram of charger of the present utility model.

Embodiment

Be illustrated in figure 2 as the schematic diagram of charger of the present utility model, this charger is a vehicular charger, uses in the vehicle, and charging is used by portable electron device.

This charger 20 comprises an input part 210 and an efferent 220, and the connecting line 230 that electrically connects input part 210 and input part 220.Wherein, input part 210 has an input adapter 211, the use that can match with the charging jack that provided in the vehicle of this input adapter 211, and be after the direct-current input power supplying of 10-30 volt sees through this input adapter 211 and connecting line 230, to conduct to efferent 220 with the voltage that the charging jack of vehicle is provided; And efferent 220 has an out splice going splice 221 and a circuit unit 222, this circuit unit 222 couples mutually with connecting line 230, to receive the next input power supply of connecting line 230 transmission as input, this input power supply is changed into the out-put supply of specific voltage and electric current and exported, and, this circuit unit 222 transfers out out-put supply to the out splice going splice 221 that couples mutually with it, and this out splice going splice 221 can couple mutually with electronic installation to be charged, and this electronic installation receives through the out-put supply of out splice going splice 221 conduction and charged.

After foregoing circuit unit 222 receives described input power supply, convert it into voltage swing and be 5 volts, electric current and be 1 ampere specific out-put supply, this out-put supply is derived through out splice going splice 221, when using this charger 20 to charge to electronic installation, above-mentioned out-put supply flows into electronic installation through out splice going splice 221 and makes its charging.

In charger 20 of the present utility model, because circuit unit 222 is built in the efferent 220, and this circuit unit 222 couples mutually with connecting line 230, receiving the input voltage of transmission line 230 transmission, and this input voltage is transformed into the out-put supply of certain standard and exported from out splice going splice.Therefore, the signal of transmission is the input power supply in the above-mentioned connecting line 230, the electric current (1 ampere) than out-put supply is little relatively for the electric current of this input power supply, so simultaneously in conjunction with Fig. 1, charger 20 of the present utility model is compared with the charger 10 of prior art, because institute's electric current transmitted is less in the connecting line 230 in the charger 20 of the present utility model, so can adopt thinner transfer wire relatively.

So, when this charger 20 is used in the vehicle in travelling when charging for portable electron device, the stress that this thinner connecting line 230 constantly waves, constantly the out splice going splice 221 of charger 20 is produced in the telescopic process will be little than prior art, so help protecting out splice going splice 221 can in use not be damaged, thereby prolonged the useful life of charger 20; And, circuit unit 222 is built in the efferent 220, when having reduced the volume of input part 210, and the volume of increase efferent 220 useless, compare with the charger 10 of prior art, the volume of the input part 210 of charger 20 of the present utility model is less, has more portable advantage, is beneficial to the use that matches with portable electron device.

Claims

1. charger, be applied in the vehicle to be the portable electron device employed vehicular charger that charges, the connecting line that this charger has an input part, an efferent and connects input part and efferent, wherein, described input part has an input adapter, and this input adapter reaches connecting line with the input power supply in the charging jack in the vehicle, and described efferent has an out splice going splice, this out splice going splice can couple mutually with electronic installation to be charged, it is characterized in that:

Described efferent also has a circuit unit, this circuit unit is built in this efferent, and this circuit unit couples mutually with connecting line, receive the input power supply of this connecting line transmission and convert thereof into specific out-put supply, this out-put supply is by being exported to electronic installation with the out splice going splice that circuit unit couples mutually.