CN2446710Y - Digital storage battery charging appts. - Google Patents
Digital storage battery charging appts. Download PDFInfo
- Publication number
- CN2446710Y CN2446710Y CN00251021U CN00251021U CN2446710Y CN 2446710 Y CN2446710 Y CN 2446710Y CN 00251021 U CN00251021 U CN 00251021U CN 00251021 U CN00251021 U CN 00251021U CN 2446710 Y CN2446710 Y CN 2446710Y
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- control circuit
- storage battery
- circuit
- charging
- switch
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Abstract
The utility model relates to a digital battery charging device, which comprises a digital switch power supply circuit, the first, second and third control circuits, two controlling switches, a battery, an engine rotation motor, etc. The battery is charged by the mode of constant current and constant voltage trickle, and the power supply of a charger is cut off until the voltage value is filled with electronic charge. Simultaneously a charger charging guiding time cycle control circuit is arranged in the first control circuit, the battery is charged by using the conducting time interval, and at the final stage of non-conducting time interval, the battery voltage is detected. For example, when the set value voltage is reached, the power supply of the charger is cut off, otherwise the next charging conducting period continues. The utility model has the advantages of high safety and efficiency, and the spark which is generated when the charger contacts the battery can be eliminated, etc.
Description
The utility model relates to a kind of digitlization storage battery charging device, refers to a kind of danger of protecting storage battery to be caused by overcharging especially, and can make the battery charger of the charge function of peak efficiency to this storage battery.
Referring to Fig. 1, be the block functional diagram of known battery charger, it is that the alternating current (AC) that will import sees through a transformer 60 step-downs, and,,, filter capacitor maximizes because need using with to storage battery 70 chargings through diode 65 rectifications, considering under the cost factor, so, neither tool filter function.
But because it is the constant-voltage charge mode of adopting, easily because of storage battery charge volume and aging, and influences efficient, so that under long-time charging, easily cause this storage battery generation high temperature, gas leak takes place, cause blast.
Secondly, this AC current can change because of storage battery and external ac power source size, and owing to ripple is big, causes charge efficiency and be on duty mutually, and controlled not good.
Moreover the control voltage of its detecting is that charger and storage battery operating voltage detecting value together can cause charge volume more and more littler because of storage battery is aging, and the variation of AC power also directly makes the charging controlled function produce bigger instability.
In addition, when the type charger contacts with storage battery, have sizable spark, and if this storage battery is the situation that is short-circuited, charger can consume very big current charges, causes the dangerous facts; Or reversed polarity though it has the sheet metal switch as protection, still can not reach the instantaneous trip power supply when touching.
Again, the type battery charger can not repeatedly play the work of the auxiliary big electric current of action, and want very big transformer to implement to car engine, so, and the cost height.
The purpose of this utility model is to provide a tool fail safe and efficientibility, charging voltage, current stabilization, volume is little and in light weight, can measure the voltage of real this storage battery, the spark that produces in moment in the time of can eliminating charger and contact with battery, the danger of avoiding causing this storage battery to blast, can make engine starting auxiliary current supply and can repeat repeatedly car engine to be played the intelligent digital battery charger that big current work is assisted in action.
For achieving the above object, the utility model is taked following design: this digitlization storage battery charging device, and it comprises:
One digital switch power circuit is that the AC power that will import converts direct current output to, forms cell operation electric power so that each circuit to be provided;
One first control switch is connected in the input of digital switch power circuit, and this first control switch can be delivered to AC power the digital switch power circuit when conducting;
One first control circuit, it is provided with a charging control circuit, this charging control circuit system is to decide electric current, to decide voltage trickle mode and charge, until the magnitude of voltage that is full of electric charge, the input of charging control circuit is connected in the output of digital switch power circuit, the output of charging control circuit is connected in a turn-on cycle control circuit, and this turn-on cycle control circuit ties up to charging and the conducting period storage battery charged, and the not conducting period is detected battery voltage;
One second control switch is connected between the output and storage battery of turn-on cycle control circuit;
One second control circuit is connected in second control switch, and this second control circuit system does battery voltage detecting, control charger output voltage conducting and storage battery reverse polarity protection; And
One the 3rd control circuit, be connected to the turn-on cycle control circuit and the storage battery of first control switch, first control circuit, the 3rd control circuit ties up to the not ON time latter end of charging turn-on cycle, storage battery is made detecting voltage, as reach default full charge voltage, the first i.e. not conducting of control switch is to cut off the AC power of input.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the block functional diagram of known battery charger.
Fig. 2 is the utility model circuit block diagram.
Fig. 3 is the circuit block diagram of another embodiment of the utility model.
Fig. 4 is a circuit diagram of the present utility model.
As Fig. 2, shown in Figure 4, the utility model is a kind of digitlization storage battery charging device, comprises a digital switch power circuit 1, a first control circuit 2, a second control circuit 3, one the 3rd control circuit 4 liang of control switch SW1, SW2, a storage battery 6 and an engine rotation motor 7 etc.; Wherein:
Digital switch power circuit 1 is by diode D6-D9, capacitor C 5, resistance R 11 ... connect to form Deng assembly, it is to be connected in AC power AC through one first control switch SW1, this digital switch power circuit 1 ties up to the first control switch SW1 when being in conducting state, convert the AC power AC of input to digital DC power supply output, so that the operating voltage of each circuit component units to be provided.
The size of current system of this charging control circuit 21 is set by current selected switch 23, in order to do charging the conducting period, this storage battery 6 is charged to decide current system, when the charger charging voltage reaches set point, again to decide the voltage system charging, gradually become trickle (little electric current), until charger dump the most at last.This kind mode can reach optimal charge efficient and can protect storage battery, prolongs this storage battery useful life.
This ON time cycle control circuit 22 is that may command is selected charging ON time length and ON time length not, and it does to decide electric current or trickle charge to storage battery 6 in the charging conducting period; In the charging turn-on cycle not conducting period, storage battery 6 voltages detects, when detecting the setting voltage of these storage battery 6 voltages when reaching full electric charge, just automatic cut-out charger power supply; If when not reaching set point voltage, then enter next charging turn-on cycle, charger is once again to these storage battery 6 chargings.
When avoiding charging conducting, this storage battery 6 is overcharged, so in constant-current charge, but mat one high voltage restricting circuits 24 limits as output HIGH voltage and causes trickle (little electric current) charging, the input of this high voltage restricting circuits 24 is connected in a battery variety selector switch 25, and this battery variety selector switch 25 is can select dissimilar storage batterys (add the water power bottle, exempt to add the selection of water power bottle) and different.
More than this storage battery 6 be full of charge voltage and charger output maximum limit voltage, can be different and set different value, and the danger that can protect this storage battery 6 to be caused, and can be full of electric charge conscientiously in this storage battery 6 by overcharging according to charging current.
If 1 connects incorrect polarity, the charger output will be not can conducting, protect storage battery 6 and charger not to be destroyed, avoid dangerous.
If 2 storage batterys, 6 voltages are lower than 5V, represent that this storage battery 6 has damaged, the charger output end voltage will can conducting not protected storage battery 6 and charger, avoid causing danger.
3, after charger connects alternating current (civil power), if do not connect storage battery 6, the charger output voltage can conducting, avoids short circuit to cause spark and the danger that sets off an explosion.
The 3rd control circuit 4 is by diode D16, D17, resistance R 17 ... connect to form Deng assembly, it is to be connected to the first control switch SW1 respectively, first control circuit 2 and storage battery 6, it comprises a power turn-on control circuit 41, control circuit 43 when one a storage battery high voltage circuit for detecting 42 and a charger are exported not conducting, the input of control circuit 43 system was connected to the ON time cycle control circuit 22 of first control circuit 2 when wherein charger was exported not conducting, the output of control circuit 43 system was connected to storage battery high voltage circuit for detecting 42 when charger was exported not conducting, storage battery high voltage circuit for detecting 42 is just to be connected to storage battery 6, negative pole end, storage battery high voltage circuit for detecting 42 is connected to current selected switch 23, the output of storage battery high voltage circuit for detecting 42 is connected to power turn-on control circuit 41, and the output of power turn-on control circuit 41 is connected to the first control switch SW1;
The 3rd control circuit 4 is sharp not ON time latter end at the charging turn-on cycle, this storage battery 6 is made detecting voltage, if reaching predetermined full charge voltage, voltage just cuts off the electricity supply automatically, in order to avoid this storage battery 6 is overcharged and is caused danger, if the end reaches setting voltage value, just continue next charging turn-on cycle.
This 3rd control circuit 4 can accurately measure these storage battery 6 voltages (because of this storage battery in not conducting period, its magnitude of voltage has returned to normally), and reach the danger of avoiding storage battery 6 to overcharge, and in conducting with not in the turn-on cycle, can avoid this storage battery 6 because of the trickle charge excessive heating, produce gas, cause danger.
When charger charging current switch selects 23 to be adjusted at engine starting auxiliary current gear ES; charger will break away from the control of the first, the 3rd control circuit 2,4; and directly add big in a flash Current Control circuit 5 from the output of switching power circuit 1; as Fig. 3; its size of current can change according to the selection of electronic component; as 20,50 or 70 amperes, activate engine through 6 pairs of automobiles of this storage battery and make the auxiliary starter function, and can protect charger according to the electric current of different set.
Cause because of car engine is not of uniform size, the starting current difference if charger set point required auxiliary current hour during than actual starting then must be done short time charging (3-5 minute) to storage battery 6, when waiting this storage battery 6 to recover electric charge gradually, activates engine once more.
The utility model has the advantage of:
(1) adopts the output of Switching Power Supply rectifier system, so have charging voltage, current stabilization, efficient height, body Amass the characteristics such as little and in light weight.
(2) can select, adjust charging current.
(3) can when the charging conducting, do to decide electric current or trickle charge to storage battery.
(4) in the time of can eliminating charger and contact with storage battery, the spark that moment produces, it is quick-fried to avoid causing this storage battery to take place Fried danger.
(5) can when the not conducting of charging turn-on cycle, battery voltage be detected, so but substantial amount is measured storage battery Voltage.
(6) can make engine starting auxiliary current supply.
(7) can repeatedly play the auxiliary big current work of action to car engine.
Claims (8)
1, a kind of digitlization storage battery charging device is characterized in that it comprises:
One digital switch power circuit is that the AC power that will import converts direct current output to, forms cell operation electric power so that each circuit to be provided;
One first control switch is connected in the input of digital switch power circuit, and this first control switch can be delivered to AC power the digital switch power circuit when conducting;
One first control circuit, it is provided with a charging control circuit, this charging control circuit system is to decide electric current, to decide voltage trickle mode and charge, until the magnitude of voltage that is full of electric charge, the input of charging control circuit is connected in the output of digital switch power circuit, the output of charging control circuit is connected in a turn-on cycle control circuit, and this turn-on cycle control circuit ties up to charging and the conducting period storage battery charged, and the not conducting period is detected battery voltage;
One second control switch is connected between the output and storage battery of turn-on cycle control circuit;
One second control circuit is connected in second control switch, and this second control circuit system does battery voltage detecting, control charger output voltage conducting and storage battery reverse polarity protection; And
One the 3rd control circuit, be connected to the turn-on cycle control circuit and the storage battery of first control switch, first control circuit, the 3rd control circuit ties up to the not ON time latter end of charging turn-on cycle, storage battery is made detecting voltage, as reach default full charge voltage, the first i.e. not conducting of control switch is to cut off the AC power of input.
2, digitlization storage battery charging device according to claim 1, it is characterized in that: wherein charging control circuit can be connected in a current selected switch, to select, to adjust the charging current size.
3, digitlization storage battery charging device according to claim 2 is characterized in that: wherein current selected switch can comprise that 2 amperes, 5 amperes, 10 amperes and engine start big electric current auxiliary-range.
4, digitlization storage battery charging device according to claim 1 is characterized in that: wherein the input at charging control circuit can be connected in a high-pressure limit circuit, when avoiding charging conducting storage battery is overcharged.
5, digitlization storage battery charging device according to claim 1 is characterized in that: wherein the input of high-pressure limit circuit can be connected in a battery variety selector switch.
6, digitlization storage battery charging device according to claim 1, it is characterized in that: wherein the output at the digital switch power circuit can be connected in big in a flash Current Control circuit, this instantaneous large-current control circuit ties up to current selected switch and is chosen in when engine starts big electric current auxiliary-range and acts on, to reach car assisted engine start-up function.
7, digitlization storage battery charging device according to claim 1 is characterized in that: wherein second control circuit system is made up of battery voltage circuit for detecting, charger output turn-on control circuit and reverse polarity protection's circuit.
8, digitlization storage battery charging device according to claim 1, it is characterized in that: control circuit when wherein in second control circuit, being provided with a not conducting of charger, the input of control circuit is connected in the ON time cycle control circuit during this not conducting of charger, the output of control circuit is connected in a storage battery high voltage detecting circuit during not conducting of charger, this storage battery high voltage detecting circuit is connected in storage battery bipolarity end, the input of storage battery high voltage detecting circuit is connected in current selected switch, the output of storage battery high voltage detecting circuit is connected in a power turn-on control circuit, and the output of this power turn-on control circuit is connected in first control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00251021U CN2446710Y (en) | 2000-08-30 | 2000-08-30 | Digital storage battery charging appts. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00251021U CN2446710Y (en) | 2000-08-30 | 2000-08-30 | Digital storage battery charging appts. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2446710Y true CN2446710Y (en) | 2001-09-05 |
Family
ID=33609060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00251021U Expired - Fee Related CN2446710Y (en) | 2000-08-30 | 2000-08-30 | Digital storage battery charging appts. |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2446710Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1483817B2 (en) † | 2002-02-18 | 2022-05-25 | CTEK Sweden AB | Device for a battery charger |
-
2000
- 2000-08-30 CN CN00251021U patent/CN2446710Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1483817B2 (en) † | 2002-02-18 | 2022-05-25 | CTEK Sweden AB | Device for a battery charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |