CN201490481U

CN201490481U - Timing socket capable of preventing overcharge and undercharge of lead-acid storage battery

Info

Publication number: CN201490481U
Application number: CN200920168936XU
Authority: CN
Inventors: 陈清尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-10
Filing date: 2009-08-10
Publication date: 2010-05-26
Anticipated expiration: 2019-08-10

Abstract

The utility model discloses a timing socket capable of preventing the overcharge and undercharge of a lead-acid storage battery, which is characterized by comprising an alternating current power supply switch, an electromagnetic tripped coil driving circuit, a timing circuit and a direct current power supply circuit, wherein the alternating current power supply switch K1 adopts an alternating switch with an electromagnetic tripping mechanism; the electromagnetic tripped coil driving circuit consists of triodes Q1 and Q2, a resistor R1 and a capacitor C5; the timing circuit consists of a quartz small clock having a timing function, a plug P1, A jack J1, a resistor R2 and a timing start control triode Q3; and the direct current power supply circuit consists of a transformer T, bridge type rectifier diodes D3, D4, D5 and D 6, filter capacitors C1 and C2 and a three terminal voltage regulator integrated block IC1. The jack allows a charger to time the last stage of trickle current floating charge of the lead-acid storage battery and can automatically cut off the charge of the charger, thereby prolonging the service life of the lead-acid storage battery and having an active social significance for resource conservation and environmental protection.

Description

The anti-lead acid accumulator mistake-regularly socket of owing to charge

Technical field

The utility model relates to socket, is specifically related to the anti-lead acid accumulator mistake-regularly socket of owing to charge.

Background technology

The design of lead-acid battery of electric vehicle charger roughly has two classes in the market: 1, second order segmentation, it is first constant voltage charge, charging current rises with the lead acid storage battery cell voltage and reduces gradually, after the lead acid accumulator electric energy adds to a certain degree, the voltage of lead acid accumulator rises to the set point of charger, the red diode indicator light of charger extinguishes, and the green diode indicator light is lighted, and charger changes the tiny stream electric current floating charge of second stage automatically over to.2, three is stage, promptly first constant current charge, and then constant voltage charge changes tiny stream electric current floating charge again over to.To the tiny stream electric current floating charge of lead acid accumulator appropriate time, be further sufficient electric weight on the one hand, be reparation and maintenance on the other hand to lead acid accumulator, can prevent that lead acid accumulator from forming irreversible sulfation.Practical proof generally is advisable with 2-3 hour tiny stream electric current floating charge, can cause the lead-acid battery dehydration if overcharge for a long time, makes the grid heavy corrosion of its positive plate generate a kind of irreversible oxidation thing simultaneously, causes grid distortion, embrittlement, loses skeleton and electric action; Long-term undercharge then can make unreacted active material form the positive bulky grain lead sulfate of irreversible height (PbSO4) crystal grain, makes lead acid battery charge time lengthening even scraps too early; Therefore lead acid accumulator is overcharged or all positive plates of serious harm lead-acid battery of owing to charge, shorten the useful life of lead acid accumulator.In the daily life, charging person thinks that the charger green light lights, and just thinks that storage battery is full of, and complete charge causes tiny stream electric current floating charge not carry out at once, and lead-acid battery is then owed to fill; Another common situation is because of the operating time relation, and returning from work evening just begins charging, and complete charge when go to work the next morning causes lead-acid battery to overcharge for a long time.So have many professional persons to propose: " lead-acid battery is not damaged, but fills bad ".

The utility model content

Problem to be solved in the utility model is at above-mentioned technical deficiency, how a kind of anti-lead acid accumulator mistake-regularly socket of owing to charge is provided, this socket can carry out timing to charger final stage tiny stream electric current floating charge, after the floating charge of tiny stream electric current reaches set point, regularly socket cuts off the 220V AC power complete charge of battery charger automatically, needn't manually cut off the electricity supply again.

The technical problem that utility model proposed is to solve like this: construct a kind of anti-lead acid accumulator mistake-regularly socket of owing to charge, it is characterized in that: comprise ac power switch (K1), electromagnetism unhook coil driver, timing circuit, DC power supply circuit four parts; Ac power switch (K1) adopts the switch of charged magnetic uncoupling rigging; Electromagnetism unhook coil driver is made up of triode (Q1, Q2), resistance (R1) and electric capacity (C5); Timing circuit is made up of quartzy small alarm clock, plug (P1), jack (J1), resistance (R2) and the timing start-up control triode (Q3) of band timing function; Dc power electric routing transformer (T), bridge rectifier diode (D3-D6), filter capacitor (C1, C2) and three-terminal voltage-stabilizing integrated package (IC1) constitute.

According to the anti-lead acid accumulator mistake provided by the utility model-regularly socket of owing to charge, it is characterized in that: attaching plug one end links to each other with the 220V electrical network, the moving contact 1 of switch (K1) and 2 ends and timing socket (CZ) are in parallel elementary being connected of another road and transformer (T).

According to the anti-lead acid accumulator mistake provided by the utility model-regularly socket of owing to charge, it is characterized in that: electromagnetism unhook coil one end is connected with triode (Q1) collector electrode, the feeder ear of the other end and+12V is connected, and coil two ends and diode (D2) are connected in parallel.

According to the anti-lead acid accumulator mistake provided by the utility model-regularly socket of owing to charge, it is characterized in that: the jack (J1) of drawing regularly the start-up control signal directly links to each other with the plug (P1) of introducing timing start-up control signal, resistance (R2) end links to each other with plug (P), resistance (R2) other end is connected with control three utmost points (Q3), and the collector electrode that controls three utmost points (Q3) is connected with the base stage of adjusting pipe (Q4).

The beneficial effects of the utility model are: the useful life that prolongs lead-acid battery, save the frequent spending of changing lead-acid battery, exempt the hardship manually everyday disconnect the charger power supply, slowing down to scrap the pollution of environment too early and economize on resources because of lead acid accumulator all has far-reaching social effect.

Description of drawings

Accompanying drawing 1 is a circuit structure diagram of the present utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model is further described.

As shown in Figure 1, anti-lead acid accumulator mistake-owe regularly socket of charging is made up of ac power switch K1, electromagnetism unhook coil driver, timing circuit, DC power supply circuit four parts; Ac power switch K1 adopts the alternating-current switch of the charged magnetic uncoupling rigging of KDC-AO1-06Y type; Electromagnetism unhook coil driver is by triode Q1, Q2, and resistor R 1, capacitor C5 form; Timing circuit is made up of plug P1, the jack J1 that draws regularly the start-up control signal, resistance R 2 and the timing start-up control triode Q3 of the quartzy small alarm clock of being with timing function and introducing timing start-up control signal; Dc power electric routing transformer T, bridge rectifier diode D3-D6, filtering capacitor C1, C2, circuit of three-terminal voltage-stabilizing integrated IC1 constitute+the 12V DC power supply, resistance R 4 and red light emitting diodes LED2 constitute+12V DC power supply relay indicating light circuit, form quartzy small alarm clock 2.1V power supply circuits by resistor R 3, diode D2, green LED LED3, capacitor C3, C4, triode Q4.

Plug plugs in, press ac power switch K1 button, connect the 220V AC power, the one tunnel through the power transformer T of 14V step-down, bridge rectifier D 3-D6 rectification, filter capacitor C1 filtering, circuit of three-terminal voltage-stabilizing integrated IC1 voltage stabilizing, the stable+12V DC power supply of filter capacitor C2 filtering generation; This power supply divides three tunnel outputs, and the first via is added to LED2 work+12V DC power supply relay indicating light through resistor R 4; The second the tunnel through resistor R 3, diode D2, green LED LED3 series connection voltage stabilizing after capacitor C3 filtering is added to voltage stabilizing adjustment pipe Q4 base stage, adjusting the voltage stabilizing of pipe general+12V voltage is that 2.1V is exported by emitter, and this 2.1V is added to quartzy small alarm clock power positive cathode and provides DC power supply for it after capacitor C4 filtering; Third Road is added on the electromagnetism unhook coil of K switch 1.Another road of 220V AC power is added to charger through the timing socket, when charger does not also change trickle floating charge state over to storage battery, red LED 1 gets electroluminescence on the charger, LED1 two ends 2V voltage is added to triode Q3 base stage through jack J1, plug P1 and resistance R 2, make triode Q3 saturation conduction, adjust pipe Q4 base stage short circuit ground connection, adjust pipe and end, quartzy small alarm clock does not then have DC-voltage supply and quits work; When charger changes tiny stream electric current floating charge over to during the stage, red diode LED1 both end voltage becomes 0V and extinguishes on the charger, triode Q3 base stage is ended because of zero potential, power adjustment pipe Q4 is normally output 2.1V voltage then, quartzy small alarm clock must be established the beginning timing by cable, when preset value is arrived in timing, quartzy small alarm clock then the output low level audio pulse by the base stage of triode Q2, after amplifying by triode Q2, exports this low level audio pulse signal the base stage of high level control triode Q1 again through capacitor C 5 filtering, make triode Q1 saturation conduction, K switch 1 electromagnetism unhook coil then electric generation magnetic force and make shift knob unhook tripping and disconnect AC power, charging is the socket dead electricity regularly, the charger dead electricity, the automatic complete charge of lead acid accumulator.

Components and parts are selected: Q1, Q3, Q4 select S8050 type triode for use, and Q2 selects S8550 type triode for use; IC1 selects LM7812 circuit of three-terminal voltage-stabilizing integrated piece for use; D1 selects IN4148 type diode for use, and D2-D6 selects IN4007 type diode for use, and LED2 selects the red light emitting diodes of Φ 5mm for use, and LED3 selects the green LED of Φ 5mm for use; R1-R4 selects the 1/8W carbon film resistor for use, and its resistance is respectively R1:2K, R2:10K, R3, R4:10K; K1 selects the alternating-current switch of the charged magnetic uncoupling rigging of KDC-A01-06Y type for use; P1, J1 select plug and the jack of Φ 10mm for use; It is the miniature transformer of 3W that T selects 220V/14V power for use; C1 selects the 1000u/25V aluminium electrolytic capacitor for use, and C2, C3, C4 select the 470u/25V aluminium electrolytic capacitor for use, and C5 selects the 47u/25V aluminium electrolytic capacitor for use.

The utility model also can be made various flexible mode, more than by embodiment by accompanying drawing 1 illustrated embodiment, be that foregoing of the present utility model is described in further detail, but this should be interpreted as that the scope of the theme that the utility model is above-mentioned only limits to described example.Do not breaking away under the above-mentioned technological thought situation of the utility model, various replacements and change according to ordinary skill knowledge and customary means are made all should be included in the scope of the present utility model.

Claims

1. the anti-lead acid accumulator mistake-regularly socket of owing to charge is characterized in that: comprise ac power switch (K1), electromagnetism unhook coil driver, timing circuit, DC power supply circuit four parts; Ac power switch (K1) adopts the switch of charged magnetic uncoupling rigging; Electromagnetism unhook coil driver is made up of triode (Q1, Q2), resistance (R1) and electric capacity (C5); Timing circuit is made up of quartzy small alarm clock, plug (P1), jack (J1), resistance (R2) and the timing start-up control triode (Q3) of band timing function; Dc power electric routing transformer (T), bridge rectifier diode (D3-D6), filter capacitor (C1, C2) and three-terminal voltage-stabilizing integrated package (IC1) constitute.

2. the anti-lead acid accumulator mistake according to claim 1-regularly socket of owing to charge, it is characterized in that: attaching plug one end links to each other with the 220V electrical network, the moving contact 1 of switch (K1) and 2 ends and timing socket (CZ) are in parallel elementary being connected of another road and transformer (T).

3. according to claim 1, the 2 described anti-lead acid accumulator mistakes-regularly socket of owing to charge, it is characterized in that: electromagnetism unhook coil one end is connected with triode (Q1) collector electrode, the feeder ear of the other end and+12V is connected, and coil two ends and diode (D2) are connected in parallel.

4. the anti-lead acid accumulator mistake according to claim 1-regularly socket of owing to charge, it is characterized in that: the jack (J1) of drawing regularly the start-up control signal directly links to each other with the plug (P1) of introducing timing start-up control signal, resistance (R2) end links to each other with plug (P), resistance (R2) other end is connected with control three utmost points (Q3), and the collector electrode that controls three utmost points (Q3) is connected with the base stage of adjusting pipe (Q4).