CN205986253U - Electric motor car battery charger's auto -power -off circuit - Google Patents
Electric motor car battery charger's auto -power -off circuit Download PDFInfo
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- CN205986253U CN205986253U CN201620960390.1U CN201620960390U CN205986253U CN 205986253 U CN205986253 U CN 205986253U CN 201620960390 U CN201620960390 U CN 201620960390U CN 205986253 U CN205986253 U CN 205986253U
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- frequency divider
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Abstract
The utility model belongs to the technical field of automatic control charges, concretely relates to electric motor car battery charger's auto -power -off circuit, circuit and voltage shaping circuit when starting switch, controlled switch, electrical shutoff control circuit, chargometer, starting switch and controlled switch connect between the power input end of mains supply and charger, the output control terminal and the controlled switch of circuit, electrical shutoff control circuit were connected when the trickle charge of charger instructed the output to pass through voltage shaping circuit, chargometer, the steady voltage output of charger during respectively with electrical shutoff control circuit, chargometer the power input end of circuit be connected, filling being connected of electrical output and battery of charger, the utility model relates to a simple structure is reasonable, and safe and reliable very big makes things convenient for charging of electric motor car, effectively avoids the long -time work of charging circuit, reduces the harm that the charge time overlength brought.
Description
Technical field
This utility model belong to automatic charge control technical field and in particular to electromobile battery charger from dynamic circuit breaker
Circuit.
Background technology
In recent years electric bicycle using very universal, electric bicycle recoverable amount very big.Because lead acid storage battery
Pond has the advantages that low cost of manufacture, pollution are little, and therefore electric bicycle typically adopts valve-control sealed lead acid battery as dynamic
Power power supply, the electric bicycle of sale can be equipped with corresponding charger.Therefore, charger for electric bicycle market demand is also very
Greatly, widely using due to electric bicycle, the fire incident causing because electric bicycle charges every year occurs repeatedly, and this gives
Family's property and personal safety cause immeasurable loss, so charger is particularly important using safety.With traditional
Lead acid batteries charger charges to accumulator, and during beginning, charging current ratio is larger, with being electrically charged carrying of accumulator voltage
Height, charging current is gradually reduced, and when accumulator is filled substantially with electricity, charger circuit detects charging current, and to be decreased to certain specific
Value, charger is automatically changed and with trickle, accumulator is charged, and trickle charge about 2 hours is so that it may so that battery under normal circumstances
Each battery balanced fully charged in group.If trickle charging time is long, overcharge can be caused to the battery in set of cells, for a long time
So, service lifetime of accumulator can be shortened.In addition, if producing " thermal runaway " because of accumulator quality problem, that is, accumulator because
Over-heat inside causes charging current not reduce with the raising being electrically charged accumulator voltage, and charger circuit can't detect all the time
Charging current is decreased to certain particular value, and charger just exports high current always and accumulator is charged, so electric greatly for a long time
The charging of stream certainly will increase the overheated danger of accumulator, increased the hidden danger producing fire.So for avoiding trickle charge
Overlong time or lead-acid accumulator cause the work of the long-time high current of charger because of " thermal runaway ", traditional lead-acid accumulator
Charger is usually that external intervalometer is timed power-off, but external intervalometer does not possess after trickle charge 2 hours from dynamic circuit breaker
The function of electricity, automatically powers off and charges 8 after therefore installing trickle charge additional 2 hours in traditional lead acid batteries charger
Hour after automatic circuit break function circuit, trickle charging time can be avoided long and accumulator produce " thermal runaway " after make
The charging consequence of growth time high current, contributes to reducing the hidden danger that fire occurs, has preferable market prospect and popularization and application
It is worth.
Utility model content
The purpose of this utility model be solve prior art the problems referred to above, there is provided electromobile battery charger from
Dynamic power-down circuit, this utility model energy effective control trickle charging time, prevent the produced danger of charging of long-time high current
Evil, to achieve these goals, the technical solution adopted in the utility model is as follows：
The automatic power-off circuit of electromobile battery charger, including activate switch, controlled switch, power-off control circuit,
Charging timing circuit and voltage shaping circuit, described activate switch and controlled switch are attempted by the power supply of mains supply and charger
Between input, the trickle charge indication output end of described charger is connected with the signal input part of described voltage shaping circuit,
The signal output part of this shaping circuit is connected with the timing signal input of described charging timing circuit, this charging timing circuit
Timing signal outfan is connected with the control signal of described power-off control circuit, the control output end of this power-off control circuit with
Controlled input end connection, the output end of pressure-stabilizing of this charger and power-off control circuit, the charging timing circuit of described controlled switch
Connect, the voltage stabilizing of described charger is output as power-off control circuit and charging timing circuit is powered, and the charging of described charger is defeated
Go out end to be connected with accumulator.
Preferably, described charging timing circuit includes frequency divider, resistance R2, resistance R3, potentiometer RP and electric capacity C3, institute
The ten two divided-frequency outfans stating frequency divider are connected with the colelctor electrode of triode T1,14 frequency division output terminal and two of described frequency divider
The anode of pole pipe D1 connects, and the forward signal input of described frequency divider is connected with one end of electric capacity C3, the other end of electric capacity C3
It is connected with one end of resistance R2, one end of resistance R3 respectively, the other end of resistance R2 is connected with one end of potentiometer RP, this current potential
The other end of device RP, the centre cap of potentiometer RP are all connected with the inverse output terminal of frequency divider, the other end of resistance R3 and institute
State signal input part connection, the reset signal input of described frequency divider and the signal output part of voltage shaping circuit of frequency divider
Connect, the power input of described frequency divider is also connected with the output end of pressure-stabilizing of charger, the earth terminal of described frequency divider with
Connect；
Described controlled switch adopts relay KA as switch, and the input of contact J0 of described relay KA, startup are opened
Close one end be all connected with mains supply, the outfan of contact J0 of relay KA, the other end of activate switch all with charger
Power input connect；
Described power-off control circuit includes triode T1, audion T2, audion T3, diode D1, diode D2, resistance
R4, resistance R5, resistance R6, the base stage of described triode T1 is connected with the signal input part of voltage shaping circuit by resistance R4,
The colelctor electrode of described triode T1 is connected with ten two divided-frequency outfans of described frequency divider, the emitter stage of described triode T1 with
The negative electrode of described diode D1 connects, and the emitter stage of described triode T1 is also connected with one end of resistance R5；Described audion T2
Base stage be connected with the other end of resistance R5, the colelctor electrode of described audion T2 passes through the voltage stabilizing output with charger of resistance R6
End connects, and the colelctor electrode of described audion T2 is also connected with the base stage of triode T3, and the emitter stage of described audion T2 is with ground even
Connect；The base stage of described triode T3 is connected with the colelctor electrode of audion T2, and the colelctor electrode of described triode T3 is with relay KA's
The outfan of coil J1 connects, and the colelctor electrode of described triode T3 is also connected with the anode of diode D2, described relay KA's
The input of coil J1 is connected with the output end of pressure-stabilizing of charger after being connected with the negative electrode of diode D2 again, described audion T3's
Emitter stage is connected to ground；
Preferably, described voltage shaping circuit is made up of two-way peaker, described two-way peaker include electric capacity C1,
Electric capacity C2 and resistance R1, described electric capacity C1 one end is connected with the trickle charge indication output end of charger, the other end of electric capacity C1
It is connected with the reset signal input of one end of electric capacity C2, one end of resistance R1, frequency divider respectively, the other end of described electric capacity C2
It is connected with the output end of pressure-stabilizing of charger, the other end of resistance R1 is connected to ground.
Preferably, described activate switch is controlled using the mains supply that SR switchs to input.
In sum, automatic power-off circuit of the present utility model is installed in charger, automatic power-off circuit and charger
Connect simple, after described charger activate switch and controlled switch parallel connection, be serially connected in the power input of mains supply and charger
Between end, the positive and negative two ends that this charger exports DC voltage are connected with the positive pole of accumulator and negative pole respectively, this charger
Trickle charge indicating circuit indicates to the trickle charge of accumulator, and the trickle charge indication signal of charger is led to simultaneously
Overvoltage shaping circuit, charging timing circuit access power-off control circuit, thus controlling power-off control circuit to controlled switch
Disconnect and being operated with closure, realize the through and off of charger and mains supply, be capable of to accumulator trickle charge 2 hours
Automatically power off afterwards or be the function that automatically powers off after abnormal condition charges 8 hours.Thus avoiding accumulator to be filled substantially with
The harm that still long-time trickle charge or right and wrong charge for a long time under normal circumstances and bring afterwards, this utility model circuit sets
Meter is simple and reasonable, and component is few, safe and reliable.
Because this utility model employs such scheme, this utility model has the advantages that：
(1) this utility model design structure advantages of simple, safe and reliable, greatly facilitates the charging of electric motor car, effectively keeps away
Exempt from charging circuit to work for a long time, reduce the charging interval long harm bringing.
(2) function that this utility model can automatically power off after effectively realizing trickle charge 2 hours, and under abnormal condition
Charge the function of automatically powering off for 8 hours, extends battery, can be prevented potential safety hazard, pushed away with effectively save electric energy
The value of wide application and preferable market prospect.
Brief description
In order to be illustrated more clearly that this utility model example or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art required accompanying drawing do simply introduce it is clear that drawings in the following description be only this practicality newly
Some examples of type, to those skilled in the art, on the premise of not paying creativeness, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the structural representation of the automatic power-off circuit of electric car charger of the present utility model.
Fig. 2 is the circuit theory diagrams of the automatic power-off circuit of electric car charger of the present utility model.
In accompanying drawing 1,1- activate switch, 2- controlled switch, 3- power-off control circuit, 4- charging timing circuit, 5- voltage is whole
Shape circuit, 6- mu balanced circuit, 7- trickle charge indicating circuit, 8- charging control circuit, 100- charger.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model example, the technical scheme in this utility model embodiment is carried out clearly
Chu, it is fully described by it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole realities
Apply example.Based on the embodiment in this utility model, those of ordinary skill in the art institute under the premise of not making creative work
The every other embodiment obtaining, broadly falls into the scope of this utility model protection.
In conjunction with Fig. 1 and Fig. 2, the automatic power-off circuit of electromobile battery charger, including activate switch 1, controlled switch
2nd, power-off control circuit 3, charging timing circuit 4 and voltage shaping circuit, described activate switch 1 and controlled switch 2 are attempted by city
Between the power input of power supply and charger 100, the trickle charge indication output end of described charger 100 and described voltage
The signal input part of shaping circuit 5 connects, the timing letter of the signal output part of this shaping circuit 5 and described charging timing circuit 4
Number input connects, and the control signal of the timing signal outfan of this charging timing circuit 4 and described power-off control circuit 3 is even
Connect, the control output end of this power-off control circuit 3 is connected with the controlled input end of described controlled switch 2, described charger 100
Output end of pressure-stabilizing is power-off control circuit 3, charging timing circuit 4 is powered, and it is defeated that charger 100 passes through its internal mu balanced circuit 6
Go out the DC voltage of+12V, the output end of pressure-stabilizing of this mu balanced circuit 6 is power-off control circuit 3, charging timing circuit 4 provides 12V
Direct-current working volts, described activate switch 1 switchs S0 using SR and the mains supply of input is controlled, described charging
The charging outfan of device 100 is connected with accumulator BT.
In this utility model, in conjunction with Fig. 1 and Fig. 2, described charging timing circuit 4 includes frequency divider IC, resistance R2, resistance
R3, potentiometer RP and electric capacity C3, described frequency divider IC adopts CD4060 to divide chip, and described power-off control circuit 3 includes two poles
Pipe D1, diode D2, triode T1, audion T2, audion T3, resistance R4, resistance R5, resistance R6, described controlled switch 2 is adopted
With relay KA as switch, the ten two divided-frequency outfan Q12 and triode T1 of described frequency divider IC (CD4060 divides chip)
Colelctor electrode connect, 14 frequency division output terminal Q14 of frequency divider IC are connected with the anode of diode D1, and the forward direction of frequency divider IC is believed
Number input CP0 is connected with one end of electric capacity C3, the other end of electric capacity C3 respectively with one end of resistance R2, resistance R3 one end even
Connect, the other end of resistance R2 is connected with one end of potentiometer RP, the other end of this potentiometer RP, the centre cap of potentiometer RP are all
It is connected with the inverse output terminal QP0 of frequency divider IC, the other end of resistance R3 is connected with the signal input part CP1 of frequency divider IC, point
The reset signal input RD of frequency device IC is connected with the signal output part of voltage shaping circuit 5, the negative electrode of described diode D1, three
The emitter stage of level pipe T1 is all connected with one end of resistance R5, and the base stage of described triode T1 passes through resistance R4 and voltage shaping circuit
5 signal input part connects, and the other end of resistance R5 is connected with the base stage of audion T2, the colelctor electrode of audion T2 respectively with electricity
One end of resistance R6, the base stage connection of triode T3, the colelctor electrode of described triode T3 and the outfan of coil J1 of relay KA,
The anode of diode D2 connects, the input of coil J1 of described relay KA be connected with the negative electrode of diode D2 after again with voltage stabilizing
The power output end of circuit 6 connects, and the power input Vcc of described frequency divider IC is also connected with the power output end of mu balanced circuit 6
Connect, the earth terminal Vss of described frequency divider IC, the emitter stage of audion T2, the emitter stage of audion T3 are all connected to ground, described continue
The input of normally opened contact J0 of electrical equipment KA, one end of activate switch 1 are all connected with mains supply, the normally opened contact of relay KA
The outfan of J0, the other end of activate switch 1 are all connected with the power input of charger 100, in this utility model, described
Voltage shaping circuit 5 is made up of two-way peaker, wherein No. one peaker be used for frequency divider IC upper electricity automatically reset whole
Shape, carries out shaping to the transient voltage of mu balanced circuit 6 output, this part peaker is made up of C2 and electric capacity R1, Ling Yilu
Peaker is used for the instantaneous voltage shaping that frequency divider IC timing resets, and this part peaker is made up of electric capacity C1 and R1.
In this utility model, as shown in Fig. 2 described CD4060 frequency divider chip is by an agitator and 14 grades of binary strings
Linage-counter (frequency divider) forms, and ten two divided-frequency outfan Q12 (the first pin) of CD4060 frequency divider chip are that 12 frequency dividings are defeated
Go out end, its output frequency is the 1/2 of input clock signal frequency12；14 frequency division output terminal Q14 (second pin) of CD4060 are
14 frequency division output terminal, its output frequency is the 1/2 of input clock signal frequency14, the ten two divided-frequency outfans of frequency divider CD4060
Q12 output signal frequency is 4 times of 14 frequency division output terminal Q14 output signal frequencies, namely 14 frequency division output terminal Q14 (the
Two pins) the output signal cycle is 4 times of ten two divided-frequency outfan Q12 output signal cycles, when having debugged electric capacity C3, resistance R2
After potentiometer RP, when making 12 hours output high level of two divided-frequency outfan Q12 timing, 14 frequency division output terminal Q14 are exactly
Regularly 8 hours output high level.In this utility model, as depicted in figs. 1 and 2, activate switch 1 (i.e. SR switch S0)
When being pressed, charger 100 input AC civil power, start working after mains supply inputs charger 100, in charger 100
In carry out rectifying and wave-filtering successively, switching tube high frequency conversion, high frequency transformer carry out voltage transformation, carry out high frequency to the voltage of conversion
Rectifying and wave-filtering, is then charged to accumulator BT, and meanwhile, the conversion output of filtering high-frequency rectifier output and switching tube is all subject to
Charging control circuit 8 within charger 100 is controlled, and this charging control circuit 8 is charged to accumulator BT detecting and filling
Electric control.Charge control electricity when pressing SR switch S0, after mains supply accesses charger 100, in charger 100
Road 8 starts accumulator BT is charged work, now, the output of the output end of pressure-stabilizing of the mu balanced circuit 6 within charger 100+
12V DC voltage, the then road peaker by being made up of electric capacity C2 and resistance R1, one end of electric capacity C2 and described voltage stabilizing
The outfan of circuit 6 connects, the other end of the electric capacity C2 reset signal input RD with one end of resistance R2, frequency divider IC respectively
Connect, the other end of resistance R1 is connected to ground, when on resistance R1, moment produces pointed peaky pulse voltage, that is, the voltage of a point is height
During level, the reset signal input RD of frequency divider IC (CD4060 frequency divider chip) is made to obtain instantaneous high level voltage, frequency dividing
Device IC resets when starting timing working, and the ten two divided-frequency outfan Q12 of frequency divider IC and 14 frequency division output terminal Q14 are all low electricity
Flat, thus the cut-off of audion T2 pipe, then audion T3 conducting, after the coil J1 energising of relay KA, the contact J0 of relay KA
Closure, at this moment, even if SR switch S0 unclamps, the contact J0 that charger 100 passes through the relay KA of closure still obtains electrician
Make it is achieved that the startup work of charger.
In this utility model, in conjunction with shown in Fig. 1 and Fig. 2, the trickle charge indicating circuit 6 of charger 100 is to charger
Trickle charge indicated, described trickle charge indicating circuit 7 include current-limiting resistance R0 and green light emitting diode D0, electricity
One end of resistance R0 is connected with the trickle charge indication output end of described charger 100, the other end of resistance R0 and described luminous two
The anode of pole pipe D0 connects, and the negative electrode of light emitting diode D0 is connected to ground, when the charging control circuit 8 in charger 100 exports
High voltage makes light emitting diode shinny, when that is, light emitting diode D0 is bright, then explanation b point be changed into high potential, this high potential through by
Another road peaker of electric capacity C1 and resistance R1 composition, one end trickle charge with described charger 100 respectively of electric capacity C1
Indication output end, the other end of resistance R4 connect, the reset with one end of resistance R1, frequency divider IC respectively of the other end of electric capacity C1
Signal input part RD connects, and the other end of resistance R1 is connected to ground.By the peaker of electric capacity C1 and resistance R1 composition by height
Current potential carries out shaping, and after frequency divider IC obtains the high potential triggering of moment, frequency divider IC restarts timing working after resetting, when
Retime and reach 2 hours, the ten two divided-frequency outfan Q12 output high level voltages of frequency divider IC (CD4060 divides chip),
Now, light emitting diode D0 is still bright, and b point high potential makes audion T1 turn on, and the ten two divided-frequency outfan Q12 of frequency divider IC are defeated
Go out the audion T1 that high level voltage passes through conducting, so that audion T2 is also switched on, then audion T3 cut-off, the coil of relay KA
After J1 dead electricity, the normally opened contact J0 of its relay KA disconnects, and that is, controlled switch 2 disconnects, charger 100 and charger 100
The power supply of charging control circuit 8 is de-energized and quits work, automatic after being so achieved that charger 100 trickle charge 2 hours
The function of power-off, it is to avoid accumulator BT is filled substantially with the still long-time trickle charge of rear charger 100, prevent overcharge of a battery,
And produced harm of charging for a long time.If light emitting diode D0 is not bright, b point is then electronegative potential, and audion T1 ends, when
It is timed to 2 hours, the high level voltage of the tenth two divided-frequency outfan Q12 output of frequency divider IC, this high level voltage can't pass
The audion T1 of cut-off, now, the 14th frequency division output terminal Q14 output of frequency divider IC is low level voltage, so three poles
Pipe T2 is still off, audion T3 continue conducting, continue timing working, when timing reach 8 little constantly, 14 points of frequency divider IC
Frequency outfan Q14 output is changed into high level from low level, and this high level makes diode D1 turn on, and audion T2 is also switched on, then and three
Pole pipe T3 is ended, the coil J1 dead electricity of relay KA, and its normally opened contact J0 disconnects, and charger 100 power-off is so achieved that
In the case that the light emitting diode D0 of trickle charge instruction does not work always, charger timing automatically powers off, thus avoiding non-for 8 hours
The harm charged for a long time under normal circumstances and bring.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in utility model
Within protection domain.
Claims (4)
1. electromobile battery charger automatic power-off circuit it is characterised in that：Including activate switch (1), controlled switch
(2), power-off control circuit (3), charging timing circuit (4) and voltage shaping circuit (5), described activate switch (1) and controlled open
Close (2) to be attempted by between mains supply and the power input of charger (100), the trickle charge of described charger (100) refers to
Show that outfan and the signal input part of described voltage shaping circuit (5) are connected, the signal output part of this shaping circuit (5) with described
The timing signal input of charging timing circuit (4) connects, and the timing signal outfan of this charging timing circuit (4) is disconnected with described
Control signal connection, the control output end of this power-off control circuit (3) and the described controlled switch (2) of electric control circuit (3)
Controlled input end connect, the power input of the output end of pressure-stabilizing of this charger (100) and power-off control circuit (3), charging
The power input of timing circuit (4) connects, and the charging outfan of described charger (100) is connected with accumulator (BT).
2. electromobile battery charger according to claim 1 automatic power-off circuit it is characterised in that：Described fill
Electric timing circuit (4) includes frequency divider (IC), resistance R2, resistance R3, potentiometer RP and electric capacity C3, described frequency divider (IC)
Ten two divided-frequency outfans (Q12) are connected with the colelctor electrode of triode T1,14 frequency division output terminal (Q14) of described frequency divider (IC)
It is connected with the anode of diode D1, the forward signal input (CP0) of described frequency divider (IC) is connected with one end of electric capacity C3, electricity
The other end holding C3 is connected with one end of resistance R2, one end of resistance R3 respectively, the other end of resistance R2 and the one of potentiometer RP
End connects, and the other end of this potentiometer RP, the centre cap of potentiometer RP are all connected with the inverse output terminal (QP0) of frequency divider (IC)
Connect, the other end of resistance R3 is connected with the signal input part (CP1) of described frequency divider (IC), the reset letter of described frequency divider (IC)
Number input (RD) is connected with the signal output part of voltage shaping circuit (5), the power input (Vcc) of described frequency divider (IC)
Also it is connected with the output end of pressure-stabilizing of charger (100), the earth terminal (Vss) of described frequency divider (IC) is connected to ground；
Described controlled switch (2) adopts relay KA as switch, the input of contact J0 of described relay KA, activate switch
(1) one end is all connected with mains supply, the outfan of contact J0 of relay KA, activate switch (1) the other end all with fill
The power input of electrical equipment (100) connects；
Described power-off control circuit (3) includes triode T1, audion T2, audion T3, diode D1, diode D2, resistance
R4, resistance R5, resistance R6, the base stage of described triode T1 is passed through resistance R4 and is connected with the signal input part of voltage shaping circuit (5)
Connect, the colelctor electrode of described triode T1 is connected with ten two divided-frequency outfans (Q12) of described frequency divider (IC), described triode
The emitter stage of T1 is connected with the negative electrode of described diode D1, and the emitter stage of described triode T1 is also connected with one end of resistance R5；
The base stage of described audion T2 is connected with the other end of resistance R5, and the colelctor electrode of described audion T2 is by resistance R6 and charging
The output end of pressure-stabilizing of device (100) connects, and the colelctor electrode of described audion T2 is also connected with the base stage of triode T3, described audion
The emitter stage of T2 is connected to ground；The base stage of described triode T3 is connected with the colelctor electrode of audion T2, the collection of described triode T3
Electrode is connected with the outfan of the coil J1 of relay KA, and the colelctor electrode of described triode T3 is also connected with the anode of diode D2
Connect, the input of coil J1 of described relay KA is defeated with the voltage stabilizing of charger (100) again after being connected with the negative electrode of diode D2
Go out end to connect, the emitter stage of described audion T3 is connected to ground.
3. electromobile battery charger according to claim 2 automatic power-off circuit it is characterised in that：Described voltage
Shaping circuit (5) is made up of two-way peaker, and described two-way peaker includes electric capacity C1, electric capacity C2 and resistance R1, described
Electric capacity C1 one end is connected with the trickle charge indication output end of charger (100), and the other end of electric capacity C1 is respectively with electric capacity C2's
One end, one end of resistance R1, reset signal input (RD) connection, the other end of described electric capacity C2 and the charging of frequency divider (IC)
The output end of pressure-stabilizing of device (100) connects, and the other end of resistance R1 is connected to ground.
4. electromobile battery charger according to claim 1 and 2 automatic power-off circuit it is characterised in that：Described
Activate switch (1) adopts SR switch (S0) that the mains supply of input is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960390.1U CN205986253U (en) | 2016-08-26 | 2016-08-26 | Electric motor car battery charger's auto -power -off circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960390.1U CN205986253U (en) | 2016-08-26 | 2016-08-26 | Electric motor car battery charger's auto -power -off circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205986253U true CN205986253U (en) | 2017-02-22 |
Family
ID=58036904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620960390.1U Expired - Fee Related CN205986253U (en) | 2016-08-26 | 2016-08-26 | Electric motor car battery charger's auto -power -off circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205986253U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160122A (en) * | 2016-08-26 | 2016-11-23 | 广西水利电力职业技术学院 | A kind of automatic power-off circuit of electromobile battery charger |
| CN111746316A (en) * | 2020-07-13 | 2020-10-09 | 徐州久胜电子科技有限公司 | Automatic power-off charger for electric vehicle |
-
2016
- 2016-08-26 CN CN201620960390.1U patent/CN205986253U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160122A (en) * | 2016-08-26 | 2016-11-23 | 广西水利电力职业技术学院 | A kind of automatic power-off circuit of electromobile battery charger |
| CN111746316A (en) * | 2020-07-13 | 2020-10-09 | 徐州久胜电子科技有限公司 | Automatic power-off charger for electric vehicle |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170222 Termination date: 20180826 |