CN2235672Y - Synchronous phase-shift controllable rectifying charging arrangement - Google Patents

Synchronous phase-shift controllable rectifying charging arrangement Download PDF

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Publication number
CN2235672Y
CN2235672Y CN 94213817 CN94213817U CN2235672Y CN 2235672 Y CN2235672 Y CN 2235672Y CN 94213817 CN94213817 CN 94213817 CN 94213817 U CN94213817 U CN 94213817U CN 2235672 Y CN2235672 Y CN 2235672Y
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resistance
ssr
solid
state relay
negative pole
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CN 94213817
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李福生
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Abstract

The utility model relates to a novel safety charging device for charging accumulators and accumulator sets, which uses the principle of phase shifting controlled rectifier which is synchronous to a power supply. A monostable circuit and solid-state relays of microelectronic devices ICSSR are used as the control core of the utility model. The utility model has the functions of short circuit protection, reverse connection protection, overcurrent protection, power supply phase wire discrimination, automatic stop after full charge, regular charge, high-current automatic quick charge, etc. The utility model can be used for regular charge and rapid charge for accumulators and accumulator sets of 6V, 12V, 24V and 48V, and can also be used for regular charge and rapid charge for accumulator sets of 96V. The use is safe and reliable for operators.

Description

Simultaneous phase-shifting controlled rectification charging device
The utility model relates to a kind of accumulators, particularly quick, safe, the automatic simultaneous phase-shifting controlled rectification charging device of large-capacity battery group charging.
In the existing charging device that charges a battery:
One class is that the secondary voltage of the power transformer of utilization and mains isolation obtains by rectification or controlled rectification, is equipped with suitable supporting circuitry again, in order to improve the function of device.This class charging device is safe to the operator generally, because of huge power transformer is arranged, looks its power capacity and does not wait, and its cost also is relatively costly.
Another kind of be not with isolated from power, utilize semiconductor element and Resistor-Capacitor Unit to form phase-shift network or execute Zhang Zhen and swing the conducting that timing trigger circuit is controlled thyristor, thereby reach the purpose that charges a battery, suitable supporting circuitry improves the function of device equally in addition.This class charging device is compared under equal power capacity cost with the former low, but function is complete not to the utmost, and the operator will find power supply phase line and center line in use in advance, in charging process, do not allow to touch battery post and exposed charging lead, otherwise Danger Electric shock risk will be arranged, bring inconvenience to the operator.
In recent years, the charging device with microcomputerized control has begun to enter into market.It is to utilize computer to control the dynamic process of whole charging, gathers and write down the parameters of being filled storage battery at any time, is regulated and controls, and has realized the full automation of charging process.But expensive price limit its popularization and application.
The purpose of this utility model provides a kind of to operator's safety, New-type charge device that charging current is stable, simple in structure, cheap, multiple functional.It has safety, convenient, characteristics that volume is little, according to the voltage difference of being filled storage battery, batteries be divided into 6V, 12V, 24V, 48V, 96V can choose wantonly for five grades and select, charging current 0-30A is adjustable continuously.(if strengthen the current capacity of thyristor, charging current also can strengthen as required, and at this moment the volume of the power capacity of pulse current instrument transformer TA and device also should corresponding increasing.)
The utility model adopts simple monostable trigger-action circuit and microelectronics solid-state relay IC SSR to expand every function of device for the core component of control; this device has power supply phase line identification function, short-circuit protection function, reverse connecting protection function, excess current protective function, normal charge and changes quick-charge function automatically over to, is full of multinomial functions such as automatic stop, can carry out preset to storage battery, batteries and charge automatically.Its volume ratio ordinary lunch-box is big slightly.
The purpose of this utility model is achieved in that
A kind of novel synchronous phase shift controlled rectification charging device is characterized in that inverter transformer T, the double as control transformer, and its elementary winding L is passed through switch S 1Connect the 220V power frequency supply, secondary have four windings, is with centre tapped winding L 1With capacitor C 1, resistance R 1, potentiometer RP forms the phase shift bridge circuit, phase shift bridge output is serially connected with a solid-state relay IC SSR 4OUT end; L 2Winding is serially connected with a solid-state relay ICSSR 5OUT end; L 3Winding is connected to a monostable trigger-action circuit, transistor V in the monostable trigger-action circuit as the control power supply after handing over conversion always 11Base stage pass through resistance R 5Be connected to a solid-state relay IC SSR 3, IC SSR 4The OUT end of two parallel connections, transistor V 13Collector electrode pass through resistance R 7Be connected to a solid-state relay IC SSR 2IN end.
A kind of simultaneous phase-shifting controlled rectification charging device is characterized in that winding L 1Two ends connect capacitor C respectively 1, resistance R 1, the two ends after the potentiometer RP series connection, its centre cap meets thyristor SCR 1Negative electrode, in capacitor C 1, resistance R 1The node line on by diode V 1Positive pole, negative pole meet solid-state relay IC SSR 4The end of OUT, the other end passes through resistance R 2Meet thyristor SCR 1The control utmost point, IC SSR 4IN end negative pole by diode V 4The tipping of positive pole, negative pole put on the negative pole line of output, its anodal connecting resistance R 12-R 16An end, resistance R 12-R 16The other end pass through switch S respectively 2-1-S 6-1Series connection, S 2-1-S 6-1The other end connect together the tipping put on the electrode line of output.
As shown in the figure, major loop is by electromagnetic switch K and contact K thereof 1, K 2, main thyristor SCR 1, discharge and recharge thyristor SCR 2, SCR 3, discharge capacity C 5With discharge resistance R 23Form.
Inverter transformer T, double as control transformer (its power has only 2-3W), its elementary winding L is passed through switch S 1Connect the 220V power frequency supply, S 1It is the operating switch of device.T level of transformer has four windings, is with centre tapped secondary winding L 1With capacitor C 1, adjustable resistance R 1(its phase shifting angle can be adjusted R to reach the phase shift bridge circuit that potentiometer RP forms and the power supply cycle is synchronous 1With RP at 0 °--180 ° of arbitrarily controls), according to the voltage difference that is recharged storage battery, batteries, the control phase shifting angle is more than 150 °.Electric current after the phase shift is by diode V 1, solid-state relay ICSSR 4OUT end, current-limiting resistance R 2Remove to trigger thyristor SCR 1, diode V 1Effect be to thyristor SCR 1The control utmost point provide the forward trigger voltage, light-emitting diode V 2With diode V 3Be connected in series in thyristor SCR 1Negative electrode and control the utmost point, provide the burning voltage of 2.5V to it, this has not only guaranteed thyristor SCR 1The safety of the control utmost point has also guaranteed the relatively stable of charging current, simultaneously light-emitting diode V 2Double as thyristor SCR 1Work indication.Potentiometer RP is used for regulating and controlling the size of charging current.
Diode V 4, solid-state relay IC SSR 4IN end and resistance R 12-R 16And switch S 2-1-S 6-1Selection series connection constitute reverse connecting protection and short-circuit protection circuit.Filled storage battery, batteries at quilt and correctly be connected in X 1, X 2During two ends, diode V 4Be the forward conduction state, have electric current to flow through diode V 4And IC SSR 4IN end, this moment solid-state relay IC SSR 4Be energized, the conducting of its output OUT end, thus connect thyristor SCR 1The triggering power supply, SCR 1Conducting charges a battery.When being filled reverse connection of accumulator in X 1, X 2During terminals, because diode V 4Be subjected to anti-partially and block, make solid-state relay IC SSR 4IN end can not be energized, thereby its output OUT end is off state, at this moment thyristor SCR 1Can not get triggering and be blocking state, device is protected.
Transistor V 11, V 13, voltage-stabiliser tube V 10, V 12, resistance R 5, R 6, R 7And solid-state relay IC SSR 1, IC SSR 2, IC SSR 3Constitute monostable trigger-action circuit.The power supply of monostable trigger-action circuit by the inferior utmost point winding L of transformer T through diode V 5-V 8Bridge rectifier, capacitor C 2Provide behind the smothing filtering, this part circuit has the discriminating of power supply phase line, overcurrent protection, is full of three functions of automatic stop.It is characterized in that transistor V in the monostable trigger-action circuit 11Base stage and emitter between be connected to voltage-stabiliser tube V 10, capacitor C 3, the diode V that is in series 9And resistance R 4, it is on the line of emitter that test point M is connected on the control power cathode, in resistance R 4With diode V 9Connecting resistance R on the anodal line 3An end, resistance R 3The line of another terminating set power supply wiring N end on; At transistor V 11Be serially connected with resistance R between base stage and control positive source 5With solid-state relay IC SSR 3, IC SSR 1The OUT end of two parallel connections; Transistor V 11Collector electrode and control be serially connected with resistance R between positive source 6Light-emitting diode V with the forward connection 14Transistor V 13Collector electrode pass through resistance R 7Meet solid-state relay IC SSR 2IN end negative pole, positive pole connect the control positive source; Solid-state relay IC SSR 2OUT end by connect, is connected to device main fuse rear end with electromagnetic switch K coil and device power supply N holds; Solid-state relay IC SSR 1IN end pass through resistance R 8Forward is parallel to capacitor C 4Two ends; Solid-state relay IC SSR 3The tipping of IN end negative pole put output negative pole, anodal by voltage-stabiliser tube V 16Be connected on resistance R 10And resistance R 17-R 21The node line on, resistance R 10Another terminating set output negative pole, resistance R 17-R 21The other end connect switch S respectively 2-2-S 6-2An end, switch S 2-2-S 6-2The other end tipping that connects together put the positive pole of output.
Power supply phase line identification function is achieved in that the high resistant resistance R 3, R 4Series connection, resistance R 3The power supply wiring N end of a terminating set, resistance R 4A termination test point M (the M point is human body touch or earth point).If the power supply wiring N termination power phase line of device during A termination power center line, when the operator touches M point (or M point ground connection) with hand, then has 2 20V phase voltages to be added on A, N two ends, pass through resistance R 3, R 4The dividing potential drop effect, voltage signal is by resistance R 4Take out at two ends, and this signal voltage is by diode V 9Rectification, capacitor C 3There is a forward bias to be added on transistor V behind the smothing filtering 11Base stage make V 11Saturation conduction, at this moment transistor V 11Collector current pass through resistance R 6Make light-emitting diode V 14Conducting is luminous, prompting operation person's power line wrong, transposing power supply phase line and center line.At this moment because transistor V 11Saturation conduction, its collector electrode is kept the positive potential of 0.7V, voltage-stabiliser tube V 12Can not be reversed puncture, transistor V 13Can not get the base stage bias current and end solid-state relay IC SSR 2The excitation of IN end no current, output OUT end is closed, electromagnetic switch K dead electricity makes contact K 1, K 2Disconnect, charger can not be worked.After the operator changes power supply, i.e. N wiring termination power center line, A wiring termination power phase line, hand touches a test point M (or M point ground connection), because of M point and N terminals are both earth potential, resistance R 4Two ends no-voltage, at this moment transistor V 11, base stage ends voltage stabilizing didoe V because of can not get positive bias voltage 12Be reversed to puncture and give transistor V 13Provide the forward bias current to make it rapid saturation conduction.This moment, collector current passed through resistance R 7Excitation solid-state relay IC SSR 2Input IN, thereby the conducting of OUT end makes its contact of electromagnetic switch K adhesive K 1, K 2The closed charger power supply of connecting.
The realization of excess current protective function is to utilize pulse current instrument transformer TA (its iron core power capacity has only 0.4W) by secondary taking-up current signal, by diode V 15, current-limiting resistance R 8And capacitor C 4The flat ripple of integration after, be added on solid-state relay IC SSR 1IN end.Ammeter PA also is connected to the secondary loop of current transformer TA, as the indicating instrument of charging current, resistance R AEffect be the electric current of correcting current table PA.
When the charging current of device did not surpass the rated current of device, the current signal that TA level of pulse current instrument transformer produces was by diode V 15And resistance R 8Be not enough to encourage solid-state relay IC SSR 1IN end, make the OUT end be off state.At this moment transistor V 11Keep original cut-off state, working properly the carrying out of charging.
When charging current surpasses the rated current of device, opposite with above-mentioned situation, solid-state relay IC SSR 1Be energized and make OUT end turn-on transistor V 11Become conducting by ending, and transistor V 13End solid-state relay IC SSR rapidly by conducting 2Close electromagnetic switch K dead electricity, contact K 1, K 2Disconnect, charging work stops.Thereby device is protected.
Being full of the automatic stop function is to utilize resistance R 10With resistance R 17-R 21And switch S 2-2-S 6-2Select series connection dividing potential drop acquired signal, its voltage signal has resistance R 10Take out at two ends, by voltage-stabiliser tube V 16Be added on solid-state relay IC SSR 3IN end.When the voltage that is filled storage battery be lower than regulation be full of voltage value the time, resistance R 10The pressure drop that produces is not enough to puncture voltage stabilizing didoe V 16, thereby solid-state relay IC SSR 3Can not get exciting current and be closed condition, monostable trigger-action circuit does not overturn to charge and normally carries out.When the voltage that is recharged storage battery equal to stipulate be full of the upper voltage limit value time, resistance R 10The pressure drop that produces is enough to puncture voltage stabilizing didoe V 16, solid-state relay IC SSR 3IN end exciting current is arranged by making the conducting of OUT end, transistor V 11Base stage pass through resistance R 5Obtain the rapid saturation conduction of forward bias, at this moment transistor V 13Because of voltage stabilizing didoe V 12The base stage bias current can not be provided and end solid-state relay IC SSR rapidly 2No exciting current and close electromagnetic switch K dead electricity, contact K 1, K 2Disconnect, charging work stops.
Normal charge changes the secondary winding L that quick charge is achieved in that transformer T automatically over to 2The voltage that produces is by solid-state relay IC SSR 5OUT end and diode V 17Rectification, resistance R 11As triggering power supply, be added on thyristor SCR after the current limliting 2Negative electrode and control the utmost point.The L that it is characterized in that inverter transformer T 2Winding one end (with the end of the same name of power supply) is by diode V 17Positive pole, negative pole, resistance R 11Meet thyristor SCR 2The control utmost point, L 2The other end of winding (with the different name end of power supply) is by solid-state relay IC SSR 5OUT end series connection thyristor SCR 2Negative electrode; IC SSR 5IN rectify the utmost point and connect capacitor C 4Anodal, diode V 15Negative pole, ICSSR 5IN end negative pole pass through resistance R 9Connect capacitor C 4The negative potential end.It is to utilize TA level of pulse current instrument transformer two ends, one loop by diode V that normal charge changes quick charge over to 15And resistance R 9Be added to solid-state relay IC SSR 5IN end.In charging current hour, solid-state relay IC SSR 5IN end can not be by TA time grade of pulse current instrument transformer, diode V 15, resistance R 9Obtain enough exciting currents and make the OUT end close thyristor SCR 2Can not get triggering and turn-off capacitor C 5Can not be discharged and recharged, quick charge can not be carried out.When charging current is big, with above-mentioned opposite, solid-state relay IC SSR 5IN end be energized and make the conducting of OUT end, connect thyristor SCR 2The triggering power supply, trigger thyristor SCR when rationally being arranged in the positive half cycle of power supply and beginning 2Make it conducting when the positive half cycle of power supply begins, capacitor C 5Charged rapidly, because of charge constant is very little, when the positive half cycle of triggering power supply does not finish, thyristor SCR 2Be forced to turn-off, during this period of time thyristor SCR 1Turn-off.The secondary winding L of transformer T 4, by rectifying tube V 19, current-limiting resistance R 22As thyristor SCR 3The triggering power supply, make thyristor SCR when rationally being arranged in the power-half cycle 3Conducting, at this moment capacitor C are triggered 5The electric charge that stores passes through resistance R 23Part or all of quilt release discharge resistance R rapidly 23Resistance divide five grades of selections, at this moment thyristor SCR according to the voltage that is filled storage battery is different with capacity by selection wire switch S A 3Be off state.Along with the variation of power supply cycle, capacitor C 5The work that discharges and recharges constantly circulation carry out, make storage battery enter quick-charge state.Because capacitor C 5The effect that discharges and recharges, eliminated the accumulator plate polarization that causes because of large current charge, and controlled the temperature rise that storage battery produces because of large current charge.Indicator light HL is connected to resistance R 230,1 two ends, as the quick charge indicator light.
Voltage-stabiliser tube V 18, V 20Be respectively thyristor SCR 2And SCR 3Control utmost point over-voltage protection element.Piezo-resistance R vEstablish for absorbing the power supply instantaneous overvoltage, make thyristor SCR 1The voltage climbing speed of avoiding suddenling change increases and is damaged.PV is a voltmeter among the figure, is filled the voltage of storage battery in order to indication.GB is recharged storage battery, batteries.FU is the fuse of device.
Use shows that the utility model in general environment, is safe to the operator when the storage battery of giving 6V-48V, battery charging.If when giving the 96V battery charging, because of having exceeded the safety operation voltage range, the operator is charging to noting.
The utility model compared with the prior art, its great advantage is that simple monostable trigger-action circuit of employing and cheap microelectronic component IC SSR solid-state relay are the control core of device, the voltage isolation that has not only solved between input (IN), output (OUT) transmits, and every function of perfect device, make that circuit more becomes to simplifying device under same function, volume dwindles more, cost is cheaper, it is safer to use.
The utility model handling safety, simple, easy to carry be the popular safe charging device of a kind of good cheapness.

Claims (4)

1. a simultaneous phase-shifting controlled rectification charging device is characterized in that inverter transformer T, the honest and clean control transformer of doing, and its elementary winding L is passed through switch S 1Connect the 220V power frequency supply, secondary have four windings, is with centre tapped winding L 1With capacitor C 1, resistance R 1, potentiometer RP forms the phase shift bridge circuit, phase shift bridge output is serially connected with a solid-state relay IC SSR 40UT end; L 2Winding is serially connected with a solid-state relay ICSSR 5OUT end; L 3Winding is connected to a monostable trigger-action circuit, transistor V in the monostable trigger-action circuit as the control power supply after handing over conversion always 11Base stage pass through resistance R 5Be connected to a solid-state relay IC SSR 3, IC SSR 4The OUT end of two parallel connections, transistor V 13Collector electrode pass through resistance R 7Be connected to a solid-state relay IC SSR 2IN end.
2. charging device according to claim 1 is characterized in that winding L 1Two ends connect capacitor C respectively 1, resistance R 1, the two ends after the potentiometer RP series connection, its centre cap meets thyristor SCR 1Negative electrode, in capacitor C 1, resistance R 1The node line on by diode V 1Positive pole, negative pole meet solid-state relay IC SSR 4The end of OUT, the other end passes through resistance R 2Meet thyristor SCR 1The control utmost point, IC SSR 4IN end negative pole by diode V 4The tipping of positive pole, negative pole put on the negative pole line of output, its anodal connecting resistance R 12-R 16An end, resistance R 12-R 16The other end pass through switch S respectively 2-1-S 6-1Series connection, S 2-1-S 6-1The other end connect together the tipping put on the electrode line of output.
3. charging device according to claim 1 is characterized in that L 2Winding one end (with the end of the same name of power supply) is by diode V 17Positive pole, negative pole, resistance R 11Meet thyristor SCR 2The control utmost point, L 2The other end of winding (with the different name end of power supply) is by solid-state relay IC SSR 5OUT end series connection thyristor SCR 2Negative electrode; IC SSR 5IN rectify the utmost point and connect capacitor C 4Anodal, diode V 5Negative pole, ICSSR 5IN end negative pole pass through resistance R 9Connect capacitor C 4The negative potential end.
4. charging device according to claim 1 is characterized in that transistor V in the monostable trigger-action circuit 11Base stage and emitter between be connected to voltage-stabiliser tube V 10, capacitor C 3, the diode V that is in series 9And resistance R 4, it is on the line of emitter that test point M is connected on the control power cathode, in resistance R 4With diode V 9Connecting resistance R on the anodal line 3An end, resistance R 3The line of another terminating set power supply wiring N end on; At transistor V 11Be serially connected with resistance R between base stage and control positive source 5With solid-state relay IC SSR 3, IC SSR 1The OUT end of two parallel connections; Transistor V 11Collector electrode and control be serially connected with resistance R between positive source 6Light-emitting diode V with the forward connection 14Transistor V 13Collector electrode pass through resistance R 7Meet solid-state relay IC SSR 2IN end negative pole, positive pole connect the control positive source; Solid-state relay IC SSR 2OUT end by connect, is connected to device main fuse rear end with electromagnetic switch K coil and device power supply N holds; Solid-state relay IC SSR 1IN end pass through resistance R 8Forward is parallel to capacitor C 4Two ends; Solid-state relay IC SSR 3The tipping of IN end negative pole put output negative pole, anodal by voltage-stabiliser tube V 16Be connected on resistance R 10And resistance R 17-R 21The node line on, resistance R 10Another terminating set output negative pole, resistance R 17-R 21The other end connect switch S respectively 2-2-S 6-2An end, switch S 2-2-S 6-2The other end tipping that connects together put the positive pole of output.
CN 94213817 1994-05-28 1994-05-28 Synchronous phase-shift controllable rectifying charging arrangement Expired - Fee Related CN2235672Y (en)

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Application Number Priority Date Filing Date Title
CN 94213817 CN2235672Y (en) 1994-05-28 1994-05-28 Synchronous phase-shift controllable rectifying charging arrangement

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Application Number Priority Date Filing Date Title
CN 94213817 CN2235672Y (en) 1994-05-28 1994-05-28 Synchronous phase-shift controllable rectifying charging arrangement

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CN2235672Y true CN2235672Y (en) 1996-09-18

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CN 94213817 Expired - Fee Related CN2235672Y (en) 1994-05-28 1994-05-28 Synchronous phase-shift controllable rectifying charging arrangement

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101388561B (en) * 2007-09-13 2011-05-11 王为灿 Charging circuit
CN103414353A (en) * 2013-08-27 2013-11-27 中国计量学院 Phase shift power supply device and phase shifting method
CN111682602A (en) * 2020-05-15 2020-09-18 上海市基础工程集团有限公司 Charging control device and method for storage battery car in tunnel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101388561B (en) * 2007-09-13 2011-05-11 王为灿 Charging circuit
CN103414353A (en) * 2013-08-27 2013-11-27 中国计量学院 Phase shift power supply device and phase shifting method
CN103414353B (en) * 2013-08-27 2015-11-25 中国计量学院 A kind of phase shift supply unit and phase-moving method
CN111682602A (en) * 2020-05-15 2020-09-18 上海市基础工程集团有限公司 Charging control device and method for storage battery car in tunnel
CN111682602B (en) * 2020-05-15 2024-01-30 上海市基础工程集团有限公司 Charging control device and control method for storage battery car in tunnel

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