CN201113529Y - Charge up circuit - Google Patents
Charge up circuit Download PDFInfo
- Publication number
- CN201113529Y CN201113529Y CNU2007200277325U CN200720027732U CN201113529Y CN 201113529 Y CN201113529 Y CN 201113529Y CN U2007200277325 U CNU2007200277325 U CN U2007200277325U CN 200720027732 U CN200720027732 U CN 200720027732U CN 201113529 Y CN201113529 Y CN 201113529Y
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- charging circuit
- charging
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Abstract
The utility model belongs to the electricity field, relating to a charging circuit for charging an energy storage battery. The charging circuit consists of a capacitance current limiting circuit, a current rectification circuit and a protective circuit, wherein, the output of the current rectification circuit is controlled by a relay; a voltage regulator circuit connected with an output of the charging circuit supplies electricity for the relay; an energy storage battery voltage regulating circuit is arranged between the relay and the output of the charging circuit; the protective circuit comprises an output open circuit protective circuit, an energy storage battery fully charged protection control circuit and an energy storage battery reverse polarity protective circuit. The charging circuit has low consumption, can provide a plurality of charging current and charging voltage according to requirements, and can charge energy storage batteries with different specifications. A plurality of protective circuits arranged on the charging circuit can cut off the charging circuit while encountering occurrences of an output open circuit, a reversely connected polarity of the energy storage battery and a fully charged energy storage battery during charging, thereby protecting the charging circuit and the energy storage battery.
Description
Technical field
The utility model belongs to electricity field, relates to a kind of charging circuit for the energy storage battery charging.
Technical background
At present be the charging circuit of various energy storage batteries chargings, generally adopts after the transformer step-down that output dc voltage is that energy storage battery charges by the rectification circuit rectification.This series products exists function singleness, can only be a kind of energy storage battery charging of specification, charging circuit is in running order always, energy consumption is bigger, because of carelessness the electrode of energy storage battery is connect instead as when charging, will burn energy storage battery, simultaneously, charging circuit also may be burnt out, and energy storage battery can not cut off charging circuit after being full of electricity automatically, to damaging in useful life of energy storage battery.
The utility model content
It is low that the purpose of this utility model provides a kind of energy consumption, can be the charging circuit of plurality of specifications energy storage battery charging.
Charging circuit provided by the utility model is made up of rectification circuit and protective circuit; be characterized in that rectification circuit connects the alternating current input by the capacitance current-limiting circuit; the output of rectification circuit is controlled by a relay; relay is by exporting the voltage stabilizing circuit power supply of joining with charging circuit; between relay and charging circuit output an energy storage battery voltage-regulating circuit is arranged, described protective circuit is the output breaking protection circuit between charging circuit output and voltage stabilizing circuit; be full of the electric protection control circuit and be connected on energy storage battery reverse-connection protection circuit between charging circuit output and front stage circuits at the energy storage battery between charging circuit output and relay.
Described current-limiting circuit is made of N electric capacity, N 〉=1, an end of N electric capacity is the common port that connects alternating current input, the other end by a multichannel also, select switch to connect the input of rectification circuit.
Charging circuit operation principle provided by the utility model is as follows: by the capacitance current-limiting circuit output current is controlled to be set electric current, become direct current through the rectification circuit rectification, because the output of rectification circuit is controlled by relay, the output of charging circuit does not connect people's energy storage battery to be charged as this moment, for the voltage stabilizing circuit of relay power supply is not worked, output circuit is obstructed, is in to treat coldly the machine state, and circuit does not consume energy.When connecing people's energy storage battery to be charged, the remaining electric weight of energy storage battery to be charged provides working power for the voltage stabilizing circuit that joins with the charging circuit output, voltage stabilizing circuit work, be the relay power supply, connect output circuit, energy storage battery voltage-regulating circuit between relay and charging circuit output can be adjusted output voltage as required, is the energy storage battery charging of different specifications.When charging for energy storage battery; as energy storage battery to be charged and charging circuit output are broken away from; output is opened circuit; at this moment; the output breaking protection circuit is promptly exported the work that control signal stops voltage stabilizing circuit, relay electric-loss, charging circuit no-output; when treating that energy storage battery inserts again, charging circuit is resumed work again.When the electrode of energy storage battery connects inverse time, the energy storage battery reverse-connection protection circuit between charging circuit output and front stage circuits will cut off charging circuit, thus protection charging circuit and energy storage battery to be charged.When energy storage battery is full of electricity, be connected on energy storage battery between charging circuit output and relay and be full of the electric protection control circuit and send the control signal block system relay, stop to continue charging again to energy storage battery, thus the protection energy storage battery.Because the capacitance current-limiting circuit is made of N electric capacity, N 〉=1, the public termination interchange of N electric capacity is imported, the other end by a multichannel also, select switch to connect the input of rectification circuit.So charging circuit provided by the present invention can choose at random current limiting capacitance according to the rated current of energy storage battery to be charged, thereby multiple charging current is provided.
Charging circuit provided by the utility model is set electric current owing to having adopted the capacitance current-limiting circuit with Current Control, and multiple charging current can be provided according to the rated current of energy storage battery to be charged.Because the output of rectification circuit is controlled by relay, relay is by exporting the voltage stabilizing circuit power supply of joining with charging circuit, and when the charging circuit output was not received the charging energy storage battery, charging circuit was not worked, and circuit does not have energy consumption, makes that the power consumption of charging circuit is low.The energy storage battery voltage-regulating circuit; make charging circuit can export different direct voltages as required; energy storage battery charging for different size; breaking protection circuit, energy storage battery reverse-connection protection circuit can be when charging energy storage battery disconnect suddenly or the polarity of energy storage battery connect and inverse time cut off circuit; protection charging circuit and energy storage battery, energy storage battery is full of the electric protection control circuit, block system relay when energy storage battery is full of electricity; stop the charge protection energy storage battery, prolong its useful life.
Description of drawings
Fig. 1 is the functional-block diagram of charging circuit that the utility model provides;
Fig. 2 is the circuit theory diagrams of an embodiment of charging circuit that the utility model provides.
Among Fig. 2: R1-R18 is a resistance, and C1-C3 is an electric capacity, and D1, D2, D3, D6 are voltage-stabiliser tube, D7-D10 is a bridge rectifier, and D4, D11 are light-emitting diode, and D5 is a diode, BG1-BG3, BG5-BG7 are NPN transistor, and BG4 is a PNP transistor, and L1 is a relay.
Embodiment
Below in conjunction with description of drawings enforcement of the present utility model.Fig. 1 is a functional-block diagram of the present utility model.As shown in Figure 1: charging circuit provided by the utility model is by the capacitance current-limiting circuit; rectification circuit; energy storage battery voltage-regulating circuit and protective circuit are formed; the output of rectification circuit is controlled by relay; relay is by the voltage stabilizing circuit power supply of joining with the charging circuit output; the energy storage battery voltage-regulating circuit is connected between relay and charging circuit output, and protective circuit is the output breaking protection circuit between charging circuit output and voltage stabilizing circuit; be full of the electric protection control circuit and be connected on energy storage battery reverse-connection protection circuit between charging circuit output and front stage circuits at the energy storage battery between charging circuit output and relay.Fig. 2 provides the circuit theory diagrams of charging circuit embodiment for the utility model.Referring to Fig. 2, this charging circuit adopts capacitor C 3, C4, C5 to constitute the capacitance current-limiting circuit, and the public termination of these three electric capacity exchanges input, the other end by multichannel also, select K switch 2 to connect the input of rectification circuit.By bridge rectifier D7-D10 rectification, between the positive and negative electrode of rectification circuit output, resistance R 18 and light-emitting diode D11 are arranged.Constitute voltage stabilizing circuit by resistance R 2-R5, NPN transistor BG2, BG7, voltage-stabiliser tube D2, the input resistance R2 of voltage stabilizing circuit connects the positive pole of charging circuit output, the coil of relay L1 is connected on circuit output end of pressure-stabilizing, go back and connect capacitor C 1, light-emitting diode D4 and resistance R 6 on the coil of relay L1, the negative pole of the contact 1 one termination rectification circuits output of relay L1, the negative pole of another termination charging circuit output; The positive pole of contact 2 one termination rectification circuits output, the positive pole of another termination charging circuit output; On output loop by NPN transistor BG3, BG5, PNP transistor BG4, voltage-stabiliser tube D6, resistance R 9-R16 constitutes the energy storage battery voltage-regulating circuit, resistance R 15 and voltage-stabiliser tube D6 just are being serially connected in charging circuit output, between the negative pole, the base stage of transistor BG5 is connected on the node that connects the two, resistance R 13 is connected on the emitter of transistor BG5 and the positive interpolar of charging circuit output, resistance R 12, R14, the negative pole of R16 one termination charging circuit output, the other end connects the emitter of transistor BG5 by a multidiameter option switch K1, the collector electrode of transistor BG5 connects the base stage of transistor BG4, and connect the positive pole of charging circuit output by resistance R 11, the collector electrode of transistor BG4 connects the base stage of transistor BG3, and the coil of the collector electrode of transistor BG3 and relay L1 joins.Constitute the output breaking protection circuit of charging circuit by NPN transistor BG1, voltage-stabiliser tube D1, resistance R 1, the base stage of transistor BG1 connects the positive pole that charging circuit is exported by resistance R 1 with voltage-stabiliser tube D1, and the base stage of the collector electrode of transistor BG1 and the resistance R in the voltage stabilizing circuit 3, transistor BG2 and the collector electrode of transistor BG7 join; Described energy storage battery reverse-connection protection circuit is that the negative pole at output meets a diode D5, and the negative pole of diode D5 connects the negative pole of charging circuit output.Form energy storage battery by NPN transistor BG6, resistance R 7, R8, R17, capacitor C 2 and voltage-stabiliser tube D3 and be full of the electric protection control circuit; the emitter of transistor BG6 and base resistance R17 connect the negative pole of charging circuit output; the base stage of its collector electrode and transistor BG5 is joined; voltage-stabiliser tube D3, resistance R 7, capacitor C 2 are serially connected between the negative pole of the coil of relay L1 and charging circuit output successively, and capacitor C 2 and resistance R 7 tie points connect the base stage of transistor BG6 by resistance R 8.
The operation principle of charging circuit among the embodiment is described below in conjunction with Fig. 2.Alternating current is through capacitor C 3, C4, C5 current limliting, because the public termination of three electric capacity exchanges input, the other end by a multichannel also, select K switch 2 to connect the input of rectification circuit, make charging circuit to select current limiting capacitance according to the rated current of energy storage battery to be charged, optional one, also optional two or three electric capacity are in parallel to be used, and makes the charging current of output that multiple choices be arranged, and current limiting capacitance also can be provided with more as required.By delivering to relay L1 after the bridge rectifier D7-D10 rectification, the light-emitting diode D11 that is connected between the positive and negative electrode of rectification circuit output is luminous, circuit enters cold standing-by state, the charging energy storage battery is not received in the output of charging circuit as this moment, for the voltage stabilizing circuit of relay power supply is not worked, charging circuit is no-output also, and circuit does not have energy consumption; After the output of charging circuit connects people's energy storage battery to be charged, the dump energy of energy storage battery to be charged is by resistance R 2-R5, transistor BG2, BG7, the voltage stabilizing circuit that voltage-stabiliser tube D2 constitutes provides operating voltage, voltage stabilizing circuit work, give the relay L1 coil power supply that is connected on its output, the contact 1 of relay, 2 equal adhesives, it is the energy storage battery charging that the direct voltage of rectification circuit output is delivered to the charging circuit output, this moment on output loop by NPN transistor BG3, BG5, PNP transistor BG4, voltage-stabiliser tube D6, the energy storage battery voltage-regulating circuit work that resistance R 9-R16 constitutes, resistance R 15 and voltage-stabiliser tube D6 just are being serially connected in charging circuit output, between the negative pole, the base stage of transistor BG5 is connected on the node that connects the two, because being the voltage-stabiliser tube of a 24V, voltage-stabiliser tube D6 the base stage positive bias is provided for transistor BG5, multidiameter option switch K1 according to the rated voltage of energy storage battery to be charged from resistance R 12, R14, one of selection is connected on the emitter of transistor BG5 among the R16, the resistance R 13 that is connected on the positive interpolar of its emitter and charging circuit output forms dividing potential drop with selected emitter resistance, for transistor BG5 provides different emitter current potentials, thereby change the output of transistor BG5, the output voltage of charging circuit is adjusted as required, and the emitter resistance of transistor BG5 also can be provided with more as required.Provide electronegative potential to make its conducting for after the transistor BG5 conducting base stage of PNP transistor BG4, the collector electrode of transistor BG4 is given the power supply of transistor BG3 base stage, and transistor BG3 conducting also is a relay L1 coil power supply.Charging circuit constantly is the energy storage battery charging; after energy storage battery is filled electricity; the voltage of energy storage battery has exceeded 20% o'clock of rated voltage; this moment, the emitter current potential of transistor BG5 also increased; when transistor BG5 emitter reaches 24V; transistor BG5 ends; transistor BG4; BG3 also ends; at this moment, energy storage battery is full of the work of electric protection control circuit, and transistor BG3 ends; its collector potential raises; make voltage-stabiliser tube D3 puncture give capacitor C 2 chargings through resistance R 7, give the power supply of transistor BG6 base stage by capacitor C 2 through resistance R 8 again, transistor BG6 becomes conducting by ending; its collector potential is zero; the base potential vanishing of transistor BG5 at this moment, this moment, the output of charging circuit was cut off, and charging is finished.When charging for energy storage battery; as charging energy storage battery and charging circuit output are broken away from; at this moment; the work of output breaking protection circuit, the instantaneous voltage-stabiliser tube D1 that opens circuit in output punctures, through resistance R 1, to transistor BG1 power supply; transistor BG1 saturated collector voltage is zero; transistor BG2 ends, quit work relay L1 outage of voltage stabilizing circuit, charging circuit no-output.When energy storage battery electrode to be charged connects inverse time, the diode D5 that on negative pole of output end, connects, the energy storage battery and the passage of charging circuit front stage circuits of blocking-up error-polarity connection do not start charging circuit, thereby protect charging circuit.In the present embodiment: transistor BG1, BG2, BG7 adopt 13003, transistor BG3, BG5, BG6 adopt 9014, transistor BG4 adopts 9015, capacitor C 3, the withstand voltage 400V of C4, C5, capacitance is respectively 20 μ F, 30 μ F, 40 μ F, bridge rectifier D7-D10 adopts rectifier diode or the silicon stack of withstand voltage 400V, and voltage-stabiliser tube D1, D2, D3, D6 voltage stabilizing value are respectively 90V, 8V, 8V, 24V, and relay L1 adopts the 12V direct current relay.Components and parts in the charging circuit among Fig. 2 can also have multiple choices according to the difference of energy storage battery to be charged.A part of circuit of charging circuit can also be made integrated circuit, makes that making is easier.
Claims (5)
1; a kind of charging circuit; form by rectification circuit and protective circuit; it is characterized in that rectification circuit connects the alternating current input by the capacitance current-limiting circuit; the output of rectification circuit is controlled by a relay; relay is by exporting the voltage stabilizing circuit power supply of joining with charging circuit; between relay and charging circuit output an energy storage battery voltage-regulating circuit is arranged, described protective circuit is the output breaking protection circuit between charging circuit output and voltage stabilizing circuit; be full of the electric protection control circuit and be connected on energy storage battery reverse-connection protection circuit between charging circuit output and front stage circuits at the energy storage battery between charging circuit output and relay.
2, charging circuit according to claim 1 is characterized in that described current-limiting circuit is made of N electric capacity, N 〉=1, an end of N electric capacity is the common port that connects alternating current input, the other end by a multichannel also, select switch to connect the input of rectification circuit.
3, charging circuit according to claim 1, it is characterized in that the described voltage stabilizing circuit that joins with charging circuit output is made of resistance (R2-R5), transistor (BG2, BG7), voltage-stabiliser tube (D2), the input resistance of voltage stabilizing circuit (R2) connects the positive pole of charging circuit output, the coil of relay (L1) is connected on the output of voltage stabilizing circuit, the negative pole of the contact 1 one termination rectification circuits output of relay (L1), the negative pole of another termination charging circuit output; The positive pole of contact 2 one termination rectification circuits output, the positive pole of another termination charging circuit output; Energy storage battery voltage-regulating circuit between relay and charging circuit output is by transistor (BG3, BG4, BG5), voltage-stabiliser tube (D6), resistance (R9-R16) constitutes, resistance (R15) and voltage-stabiliser tube (D6) just are being serially connected in charging circuit output, between the negative pole, the base stage of transistor (BG5) is connected on the node of the two connection, resistance (R13) is connected on the emitter of transistor (BG5) and the positive interpolar of charging circuit output, resistance (R12, R14, R16) negative pole of termination charging circuit output, the other end connects the emitter of transistor (BG5) by a multidiameter option switch (K1), the collector electrode of transistor (BG5) connects the base stage of transistor (BG4), and connect the positive pole of charging circuit output by resistance (R11), the collector electrode of transistor (BG4) connects the base stage of transistor (BG3), and the coil of the collector electrode of transistor (BG3) and relay (L1) joins.
4, according to claim 1 or 3 described charging circuits, it is characterized in that described output breaking protection circuit is made of transistor (BG1), voltage-stabiliser tube (D1), resistance (R1), the base stage of transistor (BG1) connects the positive pole that charging circuit is exported by resistance (R1) and voltage-stabiliser tube (D1), and the base stage of the collector electrode of transistor (BG1) and the resistance in the voltage stabilizing circuit (R3), transistor (BG2) and the collector electrode of transistor (BG7) join; Described energy storage battery reverse-connection protection circuit is to connect a diode (D5) at the negative pole that charging circuit is exported, and the negative pole of diode (D5) connects the negative pole of charging circuit output.
5; according to claim 1 or 3 described charging circuits; it is characterized in that described energy storage battery is full of the electric protection control circuit by transistor (BG6); resistance (R7; R8; R17); electric capacity (C2) and voltage-stabiliser tube (D3) are formed; the emitter of transistor (BG6) and base resistance (R17) connect the negative pole of charging circuit output; the base stage of its collector electrode and transistor (BG5) is joined; voltage-stabiliser tube (D3); resistance (R7); electric capacity (C2) is serially connected between the negative pole of the coil of relay (L1) and charging circuit output successively, and electric capacity (C2) and resistance (R7) tie point connect the base stage of transistor (BG6) by resistance (R8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200277325U CN201113529Y (en) | 2007-09-13 | 2007-09-13 | Charge up circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200277325U CN201113529Y (en) | 2007-09-13 | 2007-09-13 | Charge up circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201113529Y true CN201113529Y (en) | 2008-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200277325U Expired - Fee Related CN201113529Y (en) | 2007-09-13 | 2007-09-13 | Charge up circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201113529Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388561B (en) * | 2007-09-13 | 2011-05-11 | 王为灿 | Charging circuit |
| CN102157976A (en) * | 2011-04-28 | 2011-08-17 | 福建农林大学 | Battery charging circuit of electric bicycle capable of identifying voltage |
-
2007
- 2007-09-13 CN CNU2007200277325U patent/CN201113529Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388561B (en) * | 2007-09-13 | 2011-05-11 | 王为灿 | Charging circuit |
| CN102157976A (en) * | 2011-04-28 | 2011-08-17 | 福建农林大学 | Battery charging circuit of electric bicycle capable of identifying voltage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20100913 |