CN1169600A - Dual power battery charger - Google Patents
Dual power battery charger Download PDFInfo
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- CN1169600A CN1169600A CN97102535A CN97102535A CN1169600A CN 1169600 A CN1169600 A CN 1169600A CN 97102535 A CN97102535 A CN 97102535A CN 97102535 A CN97102535 A CN 97102535A CN 1169600 A CN1169600 A CN 1169600A
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- battery charger
- input terminal
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- electrically connected
- direct current
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A dual power battery charger comprises: (a) a first set of input terminals pivotably attached to the shell for electrical connection to a direct current power source at a first voltage; (b) a second set of input terminals for electrical connection to an alternating current power source at a second voltage; (c) a set of output terminals for electrical connection to the power input terminals of the rechargeable battery; (d) a first converter circuit electrically connected between the first set of input terminals and the output terminals of the battery charger for converting a direct current at the first voltage to a direct current at a third voltage suitable for charging the battery; and (e) a second converter circuit electrically connected between the second set of input terminals and the first set of input terminals of the battery charger for converting an alternating current at the second voltage to a direct current at the first voltage.
Description
The present invention relates generally to battery charger, relate in particular to a kind of dual power battery charger.
The increase of and electronic installation electric along with powered battery of all kinds, many manufacturers provide rechargeable battery on such device, change the cost of battery to save the user.A kind of portable electron device that grows with each passing day comprises personal communication device, for example portable cellular telephones (cellular phone).Nearly all cellular phone all is to utilize the rechargeable battery packing, and the user can periodically recharge according to need.
The battery charger that many manufacturers provided is designed to be operated as automobile batteries by DC power supply.The battery charger of this dc operation comprises the adapter of a special use, and design is pegged graft with standard ignitor (cigaretter-lighter) jack on the automobile.So, when during travel, the user must utilize the battery charger of a dc operation to battery charge.
And for can be in the family of obtaining AC power easily or office to battery charge, the user then must utilize the battery charger of an Alternating Current Power Supply.Usually, the battery charger of an Alternating Current Power Supply comprises an adapter, is used for and the reference power supply socket that is installed on family or the office's wall is pegged graft.The battery charger of this Alternating Current Power Supply also comprises transformer circuit, serves as 12 required volt DC voltages of charging with the alternating voltage transformation with 110 volts of standard or 220 volts.
Because the battery charger of direct current supply is designed to direct current and only pegs graft with the igniter socket and operate, therefore, the user can not utilize AC power to charge by it, in like manner, because the battery charger of Alternating Current Power Supply is designed to peg graft and operate with alternating current and with the standard chamber interpolation block, so the user can not utilize DC power supply to charge such as the igniter jack by it.
Therefore, the user wants to possess simultaneously and can then disadvantageously must buy and maintain simultaneously a direct current supplying cell charger and an Alternating Current Power Supply battery charger with the DC power supply of automobile and with the ability of AC power to battery charge.And then, if the user thinks at home or office beyond the place possess simultaneously and exchange and the ability of DC charging, then the Bu Fangbian person of being to use must transport its Alternating Current Power Supply battery charger to other place from family or office.Therefore, not only buy with expending and maintain two different battery charger apparatus, and this user must often be careful all to be with the Alternating Current Power Supply battery charger to the place.
Therefore, a kind of battery charger that can connect the AC Power supply socket of igniter for automobile jack and connection family and office practically enjoys demand.And one is connected electrically to DC power supply and AC power simultaneously and also enjoys demand equally so that the battery charger that is suitable for the DC power supply of charging to be provided.
And the present invention can satisfy these demands.The invention provides a dual power battery charger, so that a rechargeable battery with power input terminal is charged.This battery charger comprises: (a) one first group of input terminal, tool first voltage to be electrically connected a direct current power supply; (b) one second group of input terminal, tool second voltage to be electrically connected an AC power; (c) one group of lead-out terminal is to be electrically connected the power input terminal of this rechargeable battery; (d) one first change-over circuit is electrically connected between first group of input terminal and lead-out terminal of this battery charger, becomes the tertiary voltage of the direct current that is fit to battery charge with first voltage transitions with direct current; And (e) one second change-over circuit, be electrically connected between second group of input terminal of this battery charger and first group of input terminal, become first voltage of direct current with second voltage transitions that will exchange.
This battery charger comprises that further one exchanges adapter so that this battery charger can be connected with AC Power supply socket, and wherein this adapter is electrically connected to second group of input terminal.Preferably, this interchange adapter comprises that two inserted sheets are to be plugged in the indoor wall outlet.
This battery charger more comprises and flows adapter always, so that this battery charger is connected with Direct current power source socket, wherein this adapter is electrically connected to first group of input terminal, preferably, and this direct current adapter can be connected with the igniter for automobile socket.This battery charger more comprises a housing, organizes input terminal, lead-out terminal, reaches first, second change-over circuit with ccontaining first, second.Exchanging adapter and direct current adapter can be external on this housing.
At another embodiment, battery charger of the present invention comprises: (a) one first group of input terminal, tool first voltage to be electrically connected an AC power; (b) one second group of input terminal, tool second voltage to be electrically connected a direct current power supply; (c) one group of lead-out terminal is to be electrically connected the power input terminal of this rechargeable battery; (d) one first change-over circuit is electrically connected between first group of input terminal and lead-out terminal of this battery charger, becomes the tertiary voltage of the direct current that is fit to battery charge with first voltage transitions that will exchange; And (e) one second change-over circuit, be electrically connected between second group of input terminal and lead-out terminal of this battery charger, become the tertiary voltage that is suitable for the direct current that charges with second voltage transitions with direct current.
The present invention above-mentioned and other feature, purpose and advantage will obtain sufficient understanding with following description, appended claims and accompanying drawing:
Fig. 1 is the calcspar of dual power battery charger of the present invention;
Fig. 2 is the stereogram of dual power battery charger of the present invention;
Fig. 3 is the end view of battery charger among Fig. 2;
Fig. 4 is the bottom view of battery charger among Fig. 2;
Fig. 5 is the stereogram of another embodiment of battery charger of the present invention;
Fig. 6 is the end view of battery charger among Fig. 5;
Fig. 7 is the bottom view of battery charger among Fig. 5;
Fig. 8 is an embodiment who is used for one of battery charger of the present invention DC converting circuit;
Fig. 9 is the square circuit diagram that is used for an embodiment of one of battery charger of the present invention ac conversion circuit; And
Figure 10 is the calcspar of another embodiment of battery charger of the present invention.
Referring to Fig. 1, an embodiment of its expression dual power battery charger 10 of the present invention charges to a rechargeable battery with power input.This battery charger 10 comprises: (a) one first group of input terminal 12, tool first voltage to be electrically connected a direct current power supply; (b) one second group of input terminal 14, tool second voltage to be electrically connected an AC power; (c) one group of lead-out terminal 16 is to be electrically connected the power input of this rechargeable battery; (d) one first change-over circuit 18 is electrically connected between first group of input terminal 12 and lead-out terminal 16 of this battery charger 10, becomes the tertiary voltage of the direct current that is fit to battery charge with first voltage transitions with direct current; And (e) one second change-over circuit 20, be electrically connected between second group of input terminal 14 of this battery charger 10 and first group of input terminal 12, second voltage transitions of interchange is become first voltage of direct current.So, first change-over circuit 18 and second change-over circuit 20 constitute connected in electrical series.
Referring to Fig. 2～shown in Figure 4, this battery charger 10 preferably also comprises a housing 22, in being placed in the component parts with above-mentioned battery charger 10.This battery charger 10 comprises that more one exchanges adapter 24 so that this battery charger 10 is connected with AC Power supply socket, and wherein this transducer 24 is electrically connected to second group of input terminal 14.Preferably, this interchange adapter 24 comprises that two inserted sheets 26 are to be plugged in the indoor power supply socket.For example, use a kind of 125VAC, 10A standard NEM A5-15P plug.
This battery charger comprises more and flows adapter 28 so that this battery charger 10 is connected with Direct current power source socket always that wherein this adapter 28 is electrically connected to first group of input terminal 12.Preferably, this direct current adapter 28 comprises that a device is to connect the igniter for automobile socket.For example, use a kind of igniting adapter (12-15VDC, 15A).As shown in Figure 2, this interchange adapter 24 and this direct current adapter 28 all are external in housing 22, and are electrically connected to first change-over circuit 18 and second change-over circuit 20 respectively through this housing 22.
So, battery charger 10 of the present invention can insert an igniter for automobile jack expediently and battery is charged in whilst on tour, also can insert the supply socket on the wall, uses AC power that battery is charged.
This interchange adapter 24 comprises two inserted sheets 26 that can slip in housing 22.So that during the supply socket that this battery charger 10 inserts on walls, this inserted sheet is by skidding off outside housing 22 is revealed in.Slipping inserted sheet is easy to obtain from many manufacturers.
Referring to Fig. 5～Fig. 7, be another embodiment of battery charger 10 of the present invention, in the present embodiment, this interchange adapter 24 comprises that one group of turning inserted sheet 26 is external in housing 22.The upset inserted sheet is easy to obtain from many manufacturers.This inserted sheet 26 can turn up and outside being revealed in from this housing 22, so that the supply socket that this battery charger 10 inserts on walls.In addition, the embodiment of Fig. 5～battery charger 10 shown in Figure 7 is same as the embodiment of Fig. 2～battery charger 10 shown in Figure 4.
Referring to shown in Figure 8, be the embodiment of first change-over circuit 18, be used for first voltage transitions of about 12 volts of direct currents in 25 volt range is become the tertiary voltage of about 12 volt DC, so that battery is charged.This circuit 18 comprises pair of input terminals 30 connecting a direct current power supply, and pair of output 32 flows voltage with supply always battery is charged.This circuit 18 more comprises resistance R 1, R2 (3.6K), reaches R
SC(0.33); Capacitor C o (470 μ F LYTIC (electrolysis-type)), C5 (100 μ F 25V POLARIZEDLYTIC (polarization electrolysis-type)), and CT2 (470PF FILM (film-type)); Transformer L3 (220 μ H); Zener diode D5 (1N5819); And integrated circuit U2 (MOTOROLA MC34063).This circuit element is electrically connected as shown in Figure 8 mutually.
This integrated circuit U2 is a monolithic control circuit, comprises many direct currents to the required function of direct current conversion.U2 comprises the internal temperature compensation benchmark; Comparator; Duty cycle controlled oscillator, this oscillator have an active current restricting circuits; Driver and big electric current output switch.The oscillator of integrated circuit U2 reaches the utmost point (sink) of letting out that between default bound outside timing capacitor CT2 is discharged and recharged by a current source and is formed.The electric current of general charging and discharge is respectively 35 μ A and 200 μ A, and about 1 pair 6 ratio is provided.Therefore, discharge and recharge the cycle at one, 6 double-lengths are during this slope decline during rising on this slope.This upper limit equals the internal reference voltage of 1.25V, and this lower limit approximates 0.75V.This oscillator is controlled at continuous firing in the frequency according to the selective value of this timing capacitor CT2.
This first change-over circuit 18 utilizes a step-down controller.Inductance L 3 is switched to input voltage by the internal switch of integrated circuit U2.When this switch was opened circuit, this inductance L 3 was promptly discharged to output capacitance Co.One stable VD obtains at the two ends of capacitor C o, and controlled by the change of this switch conduction time.Capacitor C T2 is used for setting the ON time of this switch.Capacitor C 5 is an input filter capacitor, and its specification is about 35V DC.Resistance R 1, R2 are used for setting output voltage values.Resistance R
SCBe used for setting the maximum output current value.
Switch in this integrated circuit U2 can interrupt this input voltage, and provides the variable square wave to of a duty cycle simple LC filter, and this filter is made up of inductance L 3 and capacitor C o.This filter on average this square wave produces a direct current output voltage, and it can account for this switch percentage of whole cycle time by this switch conduction time of control, sets any current potential that is lower than input voltage.That is,
Vout＝Vin(％Ton)＝Vin(Ton/Ton+Toff)
This integrated circuit U2 reaches voltage stabilizing by changing this ON time Ton and this whole switch periods time.When this switch opened circuit, the electric current I L3 of inductance L 3 was zero, and output voltage V out is positioned at the nominal value of self.The output voltage that is connected across capacitor C o at last will weaken and be lower than nominal value, because this capacitor C o is unique element that supplies current to external load.This undertension is detected by ON-OFF control circuit, and causes this ON-OFF control circuit to order about this switch to enter saturation condition.This inductive current promptly from Vin flow through this switch and the capacitor C o in parallel with load, makes the ratio rising of capacitance voltage according to Δ I/ Δ t=V/L.This cross-over connection then equals Vin-Vsat-Vout in the voltage of inductance, and this peak current in any transient state is:
IL＝(Vin-Vsat-Vout)/L×t
In case ON time ends, this switch promptly opens circuit.When the magnetic field of this inductance began to weaken, this inductance produced a back voltage forward bias D
1, and when energy was provided to capacitor C o and load, this peak current will be with the ratio decline of Δ I/ Δ t=V/L.And in static operating period, this output voltage is a constant, and system then works under discontinuous pattern.
Referring to shown in Figure 9, be one of second change-over circuit 20 embodiment, so that an alternating current is converted into a direct current.This change-over circuit 20 comprises pair of input terminals 34, is electrically connected to an AC power, and pair of output 36, to provide direct voltage to first change-over circuit 18 shown in Figure 1.
This second change-over circuit 20 further comprises resistance R on (330K 400V), Roff (150K), and Rs (2M); Capacitor C 1 (0.15 μ F (FILM), C2 (22 μ F 35V LYTIC), C3 (1 μ F POLARIZEDLYTIC), C4 (2.2 μ F450V POLARIZED LYTIC), and CT1 (150PF FILM); Diode D1 (1N4937), D2 (1N4937), D3 (1N4935), and D4 (1N4006); Inductance L 1 (1mH 400V), and L2 (70 μ H); Mos field effect transistor MOSFETQ1; Fuse F1 (0.25A FUSE); And integrated circuit U1 (MOTOROLAUCC3889).This circuit element is electrically connected as shown in Figure 9 mutually.All circuit elements of this first change-over circuit 19 are all to be had the knack of this skill person and can obtain easily.
This change-over circuit becomes about 12 volts direct current first voltage with about 80 volts of interchange second voltage transitions in 265 volt range.This change-over circuit utilizes a feedback transducer that works in the cascade of discontinuous current-mode.The two-stage feedback of series connection is used for carrying out voltage transitions.This first feedback stage comprises inductance L 1, jumps to this input voltage when the MOSFETQ1 conducting.When the linear rising of electric current, energy promptly is stored in inductance L 1, opens circuit up to this MOSFET Q1.This inductance L 1 is discharged to capacitor C 1 through diode D1 then.When steady state operation, the on-off action of this MOSFET Q1 has formed the pure direct voltage of cross-over connection in capacitor C 1, and this capacitor C 1 is the output capacitance of this first feedback transducer level.
This second feedback transducer level comprises inductance L 2, when MOSFET Q1 conduction period cross-over connection in this capacitor C 1.These inductance L 2 both end voltage are a negative voltage over the ground, and when the linear rising of this electric current, energy promptly is stored in this inductance L 2.When this MOSFET Q1 opened circuit, inductance L 2 was promptly to these capacitor C 2 discharges.And obtaining a stable VD at the two ends of this capacitor C 2, this VD is controlled by the change of this MOSFET Q1 ON time.When this second feedback transducer began to operate, in the sluggish scope of the UVLD of this integrated circuit U1, this capacitor C 3 was kept the power supply of supplying with integrated circuit U1.This capacitor C 4 is a big input capacitance, and specification is more than 450V DC, and diode D1 to D4 is 800 volts of type diodes.
Because this circuit working is in discrete induced current pattern, the switching speed of diode is unimportant.In any case this diode should have 0.25ms or following recovery time.To effective high-frequency operation, the diode that the 1N4937 type of standard is 600 volts can be used to high-voltage switch gear, and the 1N4935 of low voltage can be used as output diode.This timing capacitor CT1 reaches the operating frequency value that resistance R on and Roff are used to set this circuit.The specification of resistance R 1 is about 400 volts.Resistance R S timing capacitor CT1 in parallel, and when converter output voltage is zero, be used for timing capacitor CT1 is discharged.The maximum breaking time of MOSFETQ1 is also set in the setting of this resistance R s, and only is used to plan the minimum frequency of this transducer start-phase, and short-circuit protection.
Referring to shown in Figure 10, another embodiment according to the present invention, this battery charger 10 comprises: (a) one group of AC input terminal 38; (b) one group of dc output end 40; (c) one group of lead-out terminal 42; (d) AC to DC converter 44 is electrically connected between AC input terminal 38 and lead-out terminal 42; And (e) flow to direct current transducer 46 always, be electrically connected between this direct-flow input end 40 and this lead-out terminal 42.This AC to DC converter 44 is converted into about 12 a volts direct voltage so that battery is charged with the alternating voltage of an about 80-265 volt.This DC-DC converter 46 is converted into about 12 a volts direct voltage with about 25 a volts direct voltage.Fig. 8, the circuit diagram that is used for AC to DC and DC-DC converter shown in Figure 9 are applicable to a-c transducer 44 and the direct current transducer 46 of battery charger 10 embodiment shown in Figure 10 respectively.This battery charger 10 can further comprise: (a) one exchange adapter 24, be electrically connected to this AC input terminal 38, (b) flow adapter 28 always, be electrically connected to this direct-flow input end 40, reach (c) housing 22, all as mentioned above.
The user is with the igniter jack of these direct current adapter 28 insertion automobiles, to use an automobile batteries to battery charge.To a standard cellular formula phone with following battery, for example NI-G, nickel manganese, lithium ion chemical cell or the like, this battery charger 10 can be with the batteries of substituting the bad for the good of about 4 to 5 hours time.And with AC power during to battery charge, the user is about to exchange the supply socket that adapter plug 26 inserts on the wall.With AC power input, the substitute the bad for the good battery 8 to 10 hours approximately of an above-mentioned cellular phone of this battery charger 10.When using cellular phone, preferably, battery charger 10 utilizes the data port or a charge port of phone, and need not to hold this phone with huge desk-top support.The preferable size of this support is no more than 3 inches * 1 inch * 2 inches (length * height * wide).
The above embodiment of the present invention only is some possibility examples of the present invention's battery charger 10.It must be appreciated that the present invention is not limited to some embodiment discussed in this description, without departing from the spirit and scope of the present invention, those skilled in the art also can make various conversion to obtain identical effect to the present invention.For example, this exchanges the slip of adapter or the ac plug of upset, can replace by a power line that be connected to plug, and is connected with socket on the wall.
Claims (14)
1. a dual power battery charger in order to the rechargeable battery with power input terminal is charged, is characterized in that, this battery charger comprises:
(a) one first group of input terminal, tool first voltage to be electrically connected a direct current power supply;
(b) one second group of input terminal, tool second voltage to be electrically connected an AC power;
(c) one group of lead-out terminal is to be electrically connected the power input terminal of this rechargeable battery;
(d) one first change-over circuit is electrically connected between first group of input terminal and lead-out terminal of this battery charger, first voltage transitions of direct current is become the tertiary voltage of the direct current that is fit to battery charge; And
(e) one second change-over circuit is electrically connected between second group of input terminal of this battery charger and first group of input terminal, second voltage transitions that exchanges is become first voltage of direct current.
2. dual power battery charger as claimed in claim 1 is characterized in that further comprising that one exchanges adapter so that this battery charger is connected with AC Power supply socket, and wherein this adapter is electrically connected to second group of input terminal.
3. dual power battery charger as claimed in claim 2 is characterized in that this interchange adapter comprises that a pair of inserted sheet is connected with an indoor power supply socket.
4. dual power battery charger as claimed in claim 1 is characterized in that further comprising and flows adapter always, so that this battery charger is connected with Direct current power source socket, wherein this adapter is electrically connected to this first group of input terminal.
5. dual power battery charger as claimed in claim 4 is characterized in that this direct current adapter comprises a device, in order to be connected with the igniter for automobile jack.
6. dual power battery charger as claimed in claim 1 is characterized in that further comprising a housing, organizes input terminal, lead-out terminal, reaches first, second change-over circuit with ccontaining first and second.
7. dual power battery charger in order to a rechargeable battery with power input terminal is charged, is characterized in that this battery charger comprises:
(a) one first group of input terminal is electrically connected a direct current power supply and tool first voltage;
(b) flow adapter, so that this battery charger is connected with Direct current power source socket, wherein this adapter is electrically connected to this first group of input terminal always;
(c) one second group of input terminal, tool second voltage to be electrically connected an AC power;
(d) one exchange adapter, so that this battery charger is connected with AC Power supply socket, wherein this adapter is electrically connected to this second group of input terminal;
(e) one group of lead-out terminal is to be electrically connected the power input terminal of this rechargeable battery;
(f) one first change-over circuit is electrically connected between first group of input terminal and lead-out terminal of this battery charger, first voltage transitions of direct current is become the tertiary voltage of the direct current that is fit to battery charge; And
(g) one second change-over circuit is electrically connected between second group of input terminal of this battery charger and first group of input terminal, second voltage transitions that exchanges is become first voltage of direct current.
8. dual power battery charger as claimed in claim 7, it is characterized in that further comprising a housing, wherein this first and second group input terminal, this lead-out terminal, and this first and second change-over circuit all be arranged in this housing, and wherein this interchange adapter and this direct current adapter all are external in this housing.
9. dual power battery charger in order to a rechargeable battery with power input terminal is charged, is characterized in that this battery charger comprises:
(a) one first group of input terminal, tool first voltage to be electrically connected an AC power;
(b) one second group of input terminal, tool second voltage to be electrically connected a direct current power supply;
(c) one group of lead-out terminal is to be electrically connected the power input terminal of this rechargeable battery;
(d) one first change-over circuit is electrically connected between first group of input terminal and lead-out terminal of this battery charger, first voltage transitions that exchanges is become the tertiary voltage of the direct current that is fit to battery charge; And
(e) one second change-over circuit is electrically connected between second group of input terminal and lead-out terminal of this battery charger, second voltage transitions of direct current is become the tertiary voltage of the direct current that is fit to battery charge.
10. dual power battery charger as claimed in claim 9 is characterized in that further comprising that one exchanges adapter so that this battery charger is connected with AC Power supply socket, and wherein this adapter is electrically connected to this first group of input terminal.
11. dual power battery charger as claimed in claim 10 is characterized in that this interchange adapter comprises that a pair of inserted sheet is connected with an indoor power supply socket.
12. dual power battery charger as claimed in claim 9 is characterized in that further comprising a direct current transducer, so that this battery charger is connected with Direct current power source socket, wherein this adapter is electrically connected to this second group of input terminal.
13. dual power battery charger as claimed in claim 12 is characterized in that this direct current adapter comprises a device, in order to be connected with the igniter for automobile jack.
14. dual power battery charger as claimed in claim 9 is characterized in that further comprising a housing, with ccontaining this first and second group input terminal, and ccontaining this first and second change-over circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97102535A CN1169600A (en) | 1996-02-20 | 1997-02-19 | Dual power battery charger |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/603,634 | 1996-02-20 | ||
| CN97102535A CN1169600A (en) | 1996-02-20 | 1997-02-19 | Dual power battery charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1169600A true CN1169600A (en) | 1998-01-07 |
Family
ID=5166317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97102535A Pending CN1169600A (en) | 1996-02-20 | 1997-02-19 | Dual power battery charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1169600A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403763A (en) * | 2011-10-28 | 2012-04-04 | 重庆恒通客车有限公司 | Quick double-pistol charging system and method for electric motor coach |
| CN103876602A (en) * | 2014-03-27 | 2014-06-25 | 付秋良 | Vehicle-mounted domestic dual-purpose charging orange machine |
| CN109560412A (en) * | 2017-09-26 | 2019-04-02 | 汉斯-彼得·威尔弗 | Plug-in connector |
-
1997
- 1997-02-19 CN CN97102535A patent/CN1169600A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403763A (en) * | 2011-10-28 | 2012-04-04 | 重庆恒通客车有限公司 | Quick double-pistol charging system and method for electric motor coach |
| CN102403763B (en) * | 2011-10-28 | 2014-01-29 | 重庆恒通客车有限公司 | Quick double-pistol charging system and method for electric motor coach |
| CN103876602A (en) * | 2014-03-27 | 2014-06-25 | 付秋良 | Vehicle-mounted domestic dual-purpose charging orange machine |
| CN109560412A (en) * | 2017-09-26 | 2019-04-02 | 汉斯-彼得·威尔弗 | Plug-in connector |
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