TWM319576U - Self-switching battery control circuit and charger thereof - Google Patents

Description

M319576 VIII. New description: [New technical field] This creation is about a battery control circuit and its charger, especially a battery control circuit and its charger for self-switching parallel charging/series power supply circuit. Eight [Prior Art] In the current types of secondary batteries, in terms of performance, price, technology maturity and rated power, etc., it is most practical to use acid-corrected batteries, and current battery development trends are to increase energy density. And to extend the service life of the Jubilee ring. However, if the battery clock is overcharged or not fully used, it will seriously affect the recycling σ卩. The "1A map" of the 凊麦照 is the current charging circuit diagram of the general battery. Due to slight differences in the manufacturing process of each battery, the battery has different internal resistance Ra < battery internal resistance Rb, therefore, the battery will produce different migration (ie battery power M Va and battery (four) Vb), so The battery is overcharged or fully charged. When the battery is overcharged, the electrolyte of the battery will quickly become damaged. When the battery is not fully charged or over-discharged, it will produce a claw. The phenomenon of illusion, the internal resistance of the battery increases, so vicious cycle, the electric record can not smoke quickly. In addition, please refer to the "mth picture", which is the current charging circuit diagram of the ^ ^ ^ due to the slight difference in the production process of each battery,

^The battery has different battery internal resistance Ra, battery inner eye Rb, battery internal resistance Rc or battery internal resistance only H

Therefore, the charging circuit of "1B" has the same problem as the charging circuit of "1A". Please refer to the Chinese Patent, No. 590327 of the Chinese Patent, No. 590327, which discloses a M319576 type with a single (four) rate _ input Wei Wei monuments ° use of the wrong bridge circuit domain fresh _ Nina excellent ζ Γ j high charge" power conversion efficiency, combined with the hybrid power factor correction single 7C-single-stage single-stage Wei converter, to simplify the actual circuit, and in the fine discharge cycle, the energy return unit of the charger Temporarily store the discharge energy of the battery in the surface to check the discharge capacitance. The wire is charged in the positive pulse to charge the battery of these ages. 'When the above patents pass the energy return structure, the charging efficiency of the system can be improved, but the charging method _ _ _ _, so can not effectively extend the service life. Please rely on the Republic of China Patent Notice No. 37 Lake, this patent reveals an axe tandem battery pack automatic maintenance device, which uses a microprocessor, selector switch, DC transfer Circuit design of the device, shifter, indicator light, etc., can perform dynamic discharge test on a single battery under normal power supply or = power interruption of the mains, and the energy can be backed up without waste when discharging The battery pack not only consumes energy, but also enables the battery pack to remain fully charged in a normal state for power failure, and the discharge test data is statistically analyzed to perform individual discharges on a single battery with high storage power, and the discharge energy is also recharged. To the battery pack, the single battery with low power storage is supplemented, and the charging degree is determined by the temperature of the battery temperature sensing IS, which equalizes each single battery of the battery pack. If the battery pack is powered by the interruption of the mains supply, it must be powered. To the load, this converter can supply the current to the load without the actual scaled charge, so that the total voltage of the battery pack will be immediately lowered and the low voltage will be tripped, which will cause the battery unit to be interrupted. Poor battery, automatic battery maintenance, can ensure the battery M319576, and the expected backup time and extend the battery life. 〃Although the above patents can be used for individual charging or discharging compensation for batteries with different f-electricity, so that the battery The power consumption of each _cell is uniform, but the circuit structure is more complicated and the circuit cost is higher. The switching battery control circuit and its charger 'balance the charging of the electric pool group in a low circuit cost manner to avoid the problem of the internal resistance of the individual battery, which has become one of the problems to be solved by the researcher. New content] In view of the above problems, the main purpose of the present invention is to provide a self-switching battery control circuit and a charger thereof, which are said to be balanced by the self-switching parallel charging/series power supply, and the balance between the battery balances is increased. The service life of the battery. Therefore, in order to achieve the above object, the self-switching battery control circuit disclosed in the present invention is characterized in that: (4)-battery and the second battery are charged or powered, including: a switch: having a first connection The first connection end and the second connection end, wherein the first connection switch is a normally closed type or normally open type relay (=lay) and a first: switch _, with a third connection end, a fourth connection end The connecting end and the fifth connecting end, the third connecting end and the fourth connecting end of the first switching switch are connected with the first battery, and the middle flute is connected to the open type relay. When the first-switching switch and the second switching switch are in the first state - the battery and the second battery constitute a parallel charging circuit; when the second switching switch is in the second state, the first The battery is connected in series with the second = M319576 power supply loop. "The purpose, this self-receiving self-switching battery charge 1 2 = there is: charging module 'used to charge the first battery and the second battery a second car, which also includes: first - switch _, with The first connection end and the jth second connection are connected to the first battery; and the second changeover switch, ,, =, the fourth connection end and the fifth connection end 'the third connection end and the third: the knife change switch The first connection end is connected, the fourth connection end is connected to the first battery 0", and the "one switch switch and the second change switch are in the first state day (4) - the battery and the second battery constitute a - charging circuit. In the first-switching_and the second-switching-second state, the first battery and the second battery constitute a series power supply loop. With the implementation of the present invention, at least the following progressive effects can be achieved: 1. Parallel charging circuit is adopted. It can balance the electric difference caused by different internal resistance of each battery, so that the battery can be charged evenly and prolong the service life of the battery. ^The characteristics of the relay type switching_, the battery is connected to the charging power supply ^ 2 automatically switches to the parallel charging circuit, no need Manually switch charging mode Or i, electric 杈, enhance the use of convenience. The display is simple and easy to manufacture, no complicated circuit is required to make a low battery charge with the parts. (4) Simple manufacturing county and time. 4. Ensure the circuit loop through the timing control mechanism. The battery will not cause a short circuit, and the safety and quality of the circuit will be improved. For the special test and the work of this new one, the best example is shown in the figure. M319576 is explained as follows. 】Please refer to "Phase 2A", which is the second circuit of the first switch and the second switch in the first state: 矣, SW1 and the second switch open _, where the internal resistance of the battery is not explained for convenience. The fate. First, the circuit components and their circuit connections are described:

One/one computer, with positive and negative terminals, and the first battery BAT1 can be used for _ mine battery, iron battery, _ battery, Wei battery, 铖 battery or _ pool, preferably light acid battery The ruthenium plate made of the wrong alloy is made of the wrong plate, the electrolyte is dilute sulfuric acid, and the two plates are covered and bumped. When the -mBAT1 is filled, the sulfuric acid error on the plate at the positive electrode is converted into a dioxin, and the sulfur in the negative electrode is still in the gold. When the battery BAT1 is discharged, a reverse (10) chemical reaction occurs. The first switch _ has a first connection end 11 and a second connection end, the first connection end u is connected with the first battery terminal _ end, wherein the first switch M SW1 can actually adopt a t_(n. delete dQse) relay , normally open type (n_al Qpen) relay off, semiconductor switch or transistor switch 'better is a single-stage two-contact relay switch. The second switching terminal SW2 has a third connecting end 2 and a fourth connecting end ^ and a fifth connecting end 23', wherein the second connecting end 21 is connected to the first connecting end π of the first-switching switch SW1, and the fourth connecting end 22 thereof Connected to the anode of the first battery BAT1, the fifth connection end 23 is connected to the positive terminal of the second battery unit 2, 10 M319576, wherein the second switch SW2 can be normally closed (normal) type relay (coffee) switch, normally open A normally open relay switch, a semiconductor switch or a transistor switch, preferably a two-stage three-contact relay switch. The second battery BAT2 has a positive terminal, the positive terminal of the second battery bat2 is connected to the fifth terminal 23 of the second switch SW2, and the negative terminal of the second battery port 2 is connected to the second terminal of the first switch SW1. u connection, and the second battery BAT2 can be used in the wrong acid battery, iron nickel battery, nickel metal battery, silver battery, nickel battery, nickel hydrogen battery or clock battery, preferably the mine ff pool, the plate It is a grid made of rib alloy, the electrolyte is dilute sulfuric acid, and both plates are covered with lead sulfate. When the second battery bat2 is charged, the sulfuric acid error on the plate at the positive electrode is converted into dioxo acid followed by metal error: when the second battery 放电2 is discharged: two chemical reactions. Next, the principle of the circuit operation will be described. Please refer to the "2nd drawing", which is the circuit diagram of the first state of the creation - the second and the second cutting. When the charging power source is connected to the battery pack (ie, the first battery ΒΑΤ1 and the second battery ΒΑΤ2), when the first switching switch SW1 and the second switching paste SW2 are in the first state, that is, the first connection of the first switching switch SW1 The terminal η is electrically connected to the second connection point 12, and the fourth connection end 22 of the second switch SW2 is electrically connected to the fifth connection end 23. Therefore, the first battery BAT and the second battery BAT2 form a Parallel charging circuit.凊 Refer to "2B", which is the circuit diagram of the first switch M319576 switch and the first switch in the second state of the first embodiment of the present invention. When the charging power source is not connected to the battery pack (ie, the first battery BAT1 and the first When the first switch SW1 and the second switch SW2 are in the second state, that is, the first connection end u and the second connection end 12 of the first changeover switch SW1 are non-electrically connected, The third connection end 21 of the second switch SW2 is electrically connected to the fifth connection end 23, so that the first battery BAT1 and the second battery BAT2 form a series power supply circuit, such that even if the discharge rates of the batteries are different, Each battery generates a pressure difference, and it can balance the voltage difference between the batteries to extend the battery life.赫照 "3A" is a circuit diagram of the first switch and the second switch of the second embodiment of the present invention in a first state; please refer to the "second drawing" for the switch and the second embodiment of the present invention. The circuit diagram of the second switch is in the second state, and the second embodiment is similar to the first embodiment in that the battery polarity and the power polarity of the first battery BAT1 and the second battery B^T2 are opposite to the first embodiment. The rest are the same and will not be described here. Referring to FIG. 4, a circuit diagram of a third embodiment of the present invention includes a first-switching switch _SW1, a second switch SW2, a third switch SW3, and an n-1 switch sWn-. 1. The nth switch sWn and the n+1th switch SWn+1 have the same circuit elements, connections, and operation principles as those in the first embodiment, and are not described herein again. Please refer to FIG. 5 as a circuit diagram of the present charger, which includes: a charging module 30, a first switching switch SW1, and a second switching switch SW2. The charging module 30 is configured to protect the first battery and the second battery, 12 M319576 from overcharge, overcurrent, overvoltage, overdischarge, short circuit, reverse connection, undervoltage, balanced voltage and balanced charging. Features. The remaining circuit components, the connection relationship, and the operation principle are the same as those in the first embodiment, and are not described herein again.

Please refer to FIG. 6 for a circuit diagram of a fourth embodiment of the present invention, which includes a switching residual tearing, a second switching switch sw2, a first battery BAT1, a second battery BAD, and a timing control module 4〇. Some of its circuit components, connection relationships, and operation principles are the same as those of the first embodiment, and will not be described below. Japanese sequence control succeeds, group 4 (H series is electrically connected to the first switch and the second switch SW2, receives the input voltage and starts the control program, mainly controls the switching of the first switch SW1 and the second switch SW2 Time to avoid the conduction of the first switch SW1 and the second switch SW2 at a certain time point = causing the first battery or the second battery to follow the 2-circuit circuit. The timing control module 40 may be, for example, The resistor-capacitor charging circuit is formed by a mechanical delay switch. The following is a schematic diagram of the circuit of the fourth embodiment, which includes: a second capacitor C2, a three-capacitor 〇, a first diode D-the first transistor switch q, a second transistor switch Q2, a first resistor R1, a second resistor second capacitor C2, a third capacitor 〇, a first diode m, a first transistor switch Q1, a second transistor switch Q2, a first power, a second resistor R2, a third resistor R3, a fourth resistor inverse 4, a fifth resistor inverse 5, a sixth resistor R6, a seventh resistor R7, The eighth resistor, the ninth resistor R9, the tenth resistor R10, the first a coil RU, a second coil rainbow 2, a first switching switch SW1, 13 M319576 a first switching switch SW2, a first Zener diode ZD1 and a second Zener diode ZD 1. In the fourth embodiment The control module 4 is composed of a resistor-capacitor charging circuit, that is, a third resistor R3 and a third capacitor c3 and a ninth resistor R9 and a second capacitor C2. The following describes the circuit operation principle: First, when the battery pack (The first battery BAT1 and the second battery BAT2) are connected in series to be charged in parallel, the input voltage Vcc-in is energized, and the charging circuit formed by the third resistor R3 and the electric three capacitor C3 generates a charging. Time, • The charging time is such that the first transistor is turned off, Q1 is turned on, and the second transistor switch Q2 is turned on. The switching contact of the second switching switch SW2 is switched first. Then, the first switching switch SW1 The switch contacts will be switched, so that the -1 switch-off SW1 and the second switch-on conduction loop at a certain point in time can cause the battery BAT1 or the second battery leg 2 to form a short circuit. (first battery BAT1 and second battery BAT2) Used in parallel • When connected in series, the input voltage V'in is removed, the first switch SW1 • The switch closes the switch first, because the second capacitor C2, the tenth resistor Ri〇, the first - the discharge circuit formed by the pole body D1 supplies energy to the second transistor switch Q2. The switch contact of the first switch SW2 will be switched later than the switch point of the first switch SW1, so that the first - the conduction circuit of the switch SW1 and the second switch SW2 at a certain time point causes the first battery BAT1 or the second battery BAT2 to form a short circuit. The first diode D1 is used to prevent the thin resistor R4 from pairing the needle (10) and the second capacitance. Form a resistor-capacitor charging path. 14 M319576 In addition, as will be readily appreciated by those skilled in the art, the timing control module 40 of the fourth embodiment of the present invention can also be applied to the first, second or second embodiment of the present invention. With this self-switching battery control circuit and its charger, when the battery is charged, it is switched to a parallel charging circuit, which can balance the power of each battery to prevent the battery from being suspended (4). 'To make the battery charge uniform' to extend the battery life, and the charging circuit structure is simple and easy to manufacture, without the need for complex circuit design and parts, and further reduce the manufacturing cost and time of the battery charging circuit. ^Although the best implementation of this gift is as above, it is not intended to limit the creation of this book. Anyone who looks at the artist will not be able to make some changes and refinements in the spirit and scope of the creation. The scope of patent protection of the creation shall be subject to the definition of the scope of the patent application attached to this specification. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1A is a prior art charging circuit diagram; FIG. 1B is a prior art charging circuit diagram; FIG. 2 is a first embodiment of the present invention - switching _ and second switching switch are at first Circuit diagram of the state; ^Β_ is the circuit diagram of the first embodiment of the present invention-switching_and the second switching switch in the second state; ^8 is the first embodiment of the second embodiment of the creation - the switch and the second The circuit diagram of the switch is in the first state; the figure is the circuit diagram of the second embodiment of the second embodiment - the switch and the second switch are in the second state; 15 M319576 FIG. 4 is the third embodiment of the present creation FIG. 5 is a circuit diagram of the author of the present invention; FIG. 6 is a circuit diagram of the fourth embodiment of the present invention; and FIG. 7 is a circuit diagram of the fourth embodiment of the present invention.

[Main component symbol description] 11 First connection end 12 Second connection end 21 Third connection end 22 Fourth connection end 23 Fifth connection end 30 Charging module 40 Timing control module BAT1 First battery BAT2 Second battery ΒΑΤη ηBattery ΒΑΤη+1 η+1 battery Cl First capacitor C2 Second capacitor C3 Third capacitor D1 First diode Qi First transistor switch Q2 Second transistor switch R1 First resistor 16 M319576

R2 second resistor R3 third resistor R4 fourth resistor R5 fifth resistor R6 sixth resistor R7 seventh resistor R8 eighth resistor R9 ninth resistor RIO tenth resistor Ra battery internal resistance Rb battery internal resistance Rc battery internal resistance Rd battery Internal resistance SW1 First switching switch SW2 Second switching switch SW3 Third switching switch SWn η switching switch SWn+1 n+1 switching switch SWn-1 n-1 switching switch Va battery voltage Vb battery voltage Vc battery voltage Vd Battery voltage 17 M319576

Vcc one in input voltage ZD1 first Zener diode ZD2 second Zener diode

18

Claims (1)

M319576 IX. Patent application scope: 1. A self-switching battery control circuit for controlling a first battery and a second battery for charging or power supply, comprising: a first-first switch, having a - connection end and a second connection end, wherein the first connection end is connected to the first battery; and a second change switch has a third connection end, a fourth connection end and a fifth connection end, the third connection The end is connected to the first connection end of the first switch, and the fourth connection end is connected to the first battery; wherein when the first switch and the second switch are in a first state, the first The battery and the second battery form a parallel charging circuit; wherein when the first switching switch and the second switching switch are in a second state, the first battery and the second battery form a series power supply circuit. The self-switching battery control circuit of claim 1, wherein the first switching-on relationship is a normally-on type relay (noisy). 3_ The self-switching battery control circuit of claim 11, wherein the second switching-on relationship is a normally closed relay (re 1 ay). 4. The self-switching battery control circuit of claim i, wherein the f-connecting end is connected to the negative terminal of the first battery, and the fourth connecting end is connected to the positive terminal of the off-cell. The positive end of the second battery is connected to the fifth end of the second switch, and the negative end of the second battery is connected to the second end of the first switch. 5_, such as the self-switching battery control circuit described in the patent of the Japanese patent, wherein the 4th connection end is connected to the positive terminal of the first battery, the fourth connection end and the 19 M319576 the first battery The negative terminal is connected to the negative terminal of the second battery and the fifth terminal of the change switch, and the positive terminal of the second battery is connected to the second terminal of the switch. The sixth-state of the self-switching battery control circuit as described in the scope of claim 2 is that the first connection end is electrically connected to the second connection end, and the fourth connection end and the fifth connection end Electrical connection. The self-switching battery control circuit as described in the patent application scope, the second state is that the first connection end is electrically connected to the second connection end, the second connection end and the fifth The connection is electrically connected. 8_ The self-switching battery control circuit as described in the application patent specification further includes a timing control module, wherein the rib sequentially controls the switching time of the first switching switch and the second switching switch. 9. The self-switching battery control circuit of claim 8, wherein the timing control module is formed by a resistor-capacitor charging circuit. The self-switching battery control circuit of the invention of claim 8, wherein the timing control module is constituted by a mechanical delay switch. 11. A self-switching battery control circuit for controlling more than one battery for charging or supplying power, comprising: a first switch having a first connection end and a second connection end; a first battery connection; an n-1 switch, having a third connection end, a fourth connection end, and a fifth connection end, the third connection end of the n-1th switch and the _th switch The first connection end of the switch is connected, the fourth 20 M319576 connection end of the first switch is connected to the first battery; an η switch has the first connection end and the second connection end, the η The first connection end of the switch is connected to an nth battery; and an n+1 switch, the third connection end, the fourth connection end and the fifth connection end, the n+1th cutting operation The third connection end of the switch is connected to the first connection end of the nth switch, and the fourth connection end of the n+1 switch is connected to the first battery, and the n+1 switch The fifth connection end is connected to an n+1th battery; wherein when the first cut When the switch, the n-th switch, the nth switch, and the n+1 switch are in a first state, the first battery, the nth battery, and the n+1th battery form a parallel charging circuit. When the first switch, the n-th switch, the nth switch, and the n+1 switch are in a second state, the first battery, the nth battery, and the n+th l The battery constitutes a series power supply loop. 12_, as described in the patent application scope 帛n, the self-switching battery control circuit, wherein the 5 hai first switch and the η switch open relationship are a normally open type relay relay 〇 13_ as claimed The self-switching battery control circuit according to item [5], wherein the n-th switching switch and the n+1th switching switch are in a normally closed relay, and the self-switching is as described in the nth patent application scope. The battery control circuit, wherein the first state is electrically connected to the second connection end, and the fourth connection end is electrically connected to the fifth connection end. Person 21 M319576 15·:: self-cutting as described in item 11 of the profit range ^, - state is that the first connection end is non-electrically connected to the second connection end', the third connection end and the fifth The self-switching battery control circuit described in the above-mentioned U.S. Patent Application Serial No. 5, further comprising a timing control module for sequentially controlling the first switching switch, the n_l switching _ The nth cut _ the switching time of the (fourth) cut. 17. The self-switching battery control circuit according to claim 16 of the patent application, wherein the child control system is composed of a resistor _ capacitor charging circuit 18_ The self-switching battery control circuit according to claim 16, wherein the sequence control module is composed of a mechanical delay switch. 19.- Self-switching battery charger (4) Controlling the first battery and the second battery for charging or supplying power, comprising: a charging module for charging the first battery and the second battery; and a control circuit further comprising a first switch having a first connection and a second connection The first connection end is connected to the first battery; and a second switch has a third connection end, a fourth connection end, and a fifth connection end, the third connection end and the first switching end The first connection end of the switch is connected, the fourth connection end is connected to the first battery; wherein the first battery and the second battery are in a first state when the first switch and the second switch are in a first state Forming a parallel charging circuit; 22 M319576, wherein when the first switching switch and the second switching switch are in a second state, the first battery and the second battery form a series power supply circuit. The self-switching battery charger according to Item 19, wherein the first switching-on relationship is a normally-on type relay (rday). 21. The self-switching battery charger according to claim 19, The second switching-on relationship is a normally-closed relay. • 22· The self-switching battery charger described in claim 19, wherein the fresh-connected terminal and the first battery are extreme connection, The fourth terminal is connected to the positive terminal of the first battery, the positive terminal of the second battery is connected to the fifth terminal of the second switch, and the negative terminal of the second battery and the first switch The self-switching battery charger of the first aspect of the invention, wherein the first connection end is connected to the positive terminal of the first battery, the thin connection end The negative end of the first battery is connected, the negative end of the second battery is connected to the fifth end of the second switch, and the positive end of the second battery is connected to the second end of the first switch. 24. The self-switching battery charger of claim 19, wherein the first state is that the first connection end is electrically connected to the second connection end, and the fourth connection end is connected to the fifth connection end Electrical connection. 25_如: Please select the self-switching battery charger described in item 19, wherein 4th-shaped "the first connection end is non-electrically connected to the second connection end, the third connection end and the The fifth connection end is electrically connected. ^ 23 M319576 In the case of the self-cutting battery charger described in claim 19, the method further includes a timing control module for sequentially controlling the first The switching time of the second switching switch is switched. 27. The self-switching battery charger according to claim 26, wherein the timing control module is composed of a resistor-capacitor charging circuit. The self-switching battery charger of claim 26, wherein the timing control module is constituted by a mechanical delay switch. twenty four