CN2050230U - Miniature fast-speed charger - Google Patents
Miniature fast-speed charger Download PDFInfo
- Publication number
- CN2050230U CN2050230U CN 89203044 CN89203044U CN2050230U CN 2050230 U CN2050230 U CN 2050230U CN 89203044 CN89203044 CN 89203044 CN 89203044 U CN89203044 U CN 89203044U CN 2050230 U CN2050230 U CN 2050230U
- Authority
- CN
- China
- Prior art keywords
- resistance
- circuit
- charging
- triode
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model belongs to the technical field of storage battery charging and direct current supply, mainly applied to the charge of various batteries and the direct current supply of various digital pulse circuits. The utility model is mainly composed of a safety protection circuit, a charge protection circuit, a control circuit, a charging circuit, etc. When charging to required value, the utility model can automatically stop charging, energy resource is effectively saved, and simultaneously the service life of storage battery is prolonged. Since main controlled silicon controlled SCR is adopted, the range of charge current is wide.
Description
The utility model belongs to the charging and the direct current supply technical field of storage battery, is a kind of New-type charge equipment, is mainly used in the charging of various batteries and the direct current supply of various digital pulse circuits.
Existing charger all has power transformer.Because the existence of transformer, so capacity is little, volume is big, is not easy to carry.Do not have simultaneously the demonstration of adjustment automatically and protection safety automatically again, often cause the overcharge of storage battery at work.Owing to overcharge, shortened the useful life of battery.Power consumption is bigger simultaneously, has caused very big energy waste, thus, has caused unnecessary economic loss.
The purpose of this utility model has provided a kind of cancellation power transformer, and is simple in structure, low in energy consumption; life-span is long, volume little (85 * 75 * 25), the charging and the dc power supply of the storage battery of charging stream big (0-12A); has automatic protection, control automatically, functions such as safety demonstration.Effectively prevent to produce the overcharge phenomenon, can prolong the useful life of storage battery, need not people's charging on duty simultaneously, reduce the charging staff, improved production efficiency.
The utility model mainly contains silicon controlled main rectifier SCR, triode BG
1, BG
2, elements such as luminous tube XD.Silicon controlled main rectifier SCR is as the rectification output element, triode BG
1As control element, triode BG
2As protection component, luminous tube XD is as display element.Be linked to be electronic circuit by said elements and other subsidiary component, just constituted with novel circuitry.
Fig. 1 is an electrical schematic diagram of the present utility model.
Fig. 2 is the utility model complete machine overall structure figure.1 is accessory power outlet among the figure, 2 fuses, 3 charging indications, 4 louvres, 5 power supply shapes, 6 direct current DC output.
The utility model is by safety protective circuit, charge protector, and several parts such as control circuit and charging circuit are formed.Wherein charge protector again in two sub-sections.One is not have storage battery or load or storage battery to connect instead when output, because the existence of charge protector, the utility model is not worked; Another is when storage battery is charged to rated value, because the existence of charge protector, the utility model quits work.
In conjunction with Fig. 1 the course of work of the present utility model and result are described.
Safety protective circuit is by resistance R
1, luminous tube XD forms.Point 1 connects the live wire of alternating current, and point 2 connects the zero line of alternating current.Because the utility model no power supply transformer, rechargeable battery joins through silicon controlled main rectifier SCR and alternating current.Therefore, for safety, the positive pole of rechargeable battery must join with the live wire of alternating current.Safety protective circuit is a testing circuit, is equivalent to electroscope.Connect the live wire of alternating current as fruit dot 2, the XD in the safety protective circuit is bright, illustrates to have connect instead, needs reversal connection.Be connected on a little on 1 if exchange live wire, XD does not work, and illustrates to connect correctly.Because diode WD
1, resistance R
2, silicon controlled main rectifier SCR reduces to low pressure with alternating current, so can be not dangerous.
Charge protector is by relay J
1And resistance R
7, R
8, R
9, diode DW
2, relay J
2, triode BG
2Deng composition.
When not connecting storage battery or reverse connection of accumulator, relay J
1Be failure to actuate, contact is in the normal off state.Control circuit is not worked because of no operating voltage.When connecting storage battery and connecting when correct relay J
1Normal opened contact is connected, and control circuit is worked because of voltage is arranged.This circuit is energy savings both, prevents reverse charging again.
When battery tension is low, because of triode BG
2Base potential is lower than the emitter current potential, triode BG
2End relay J
2Be failure to actuate, be in normal open state.When charge in batteries arrives rated value, by resistance R
7, R
8, R
9The bleeder circuit of forming makes triode BG
2When base potential is higher than emitter current potential 0.7V, triode BG
2Conducting.Because triode BG
2Conducting, so relay J
2Action, normally closed contact disconnects, and circuit quits work.
Control circuit is by triode BG
1, resistance R
3, R
4, R
5, capacitor C
1, C
2, C
3Deng composition.Charging circuit is by diode WD
1, resistance R
2, diode DW
1, compositions such as silicon controlled main rectifier SCR.When foregoing circuit is working properly, relay J
1All connect.Alternating current is through diode DW
1Rectification.Via resistance R
2, diode DW
1The simple and easy stabilized voltage power supply of forming is supplied with BG
1Deng the control circuit work of forming.By resistance R
3, capacitor C
1, triode BG
1, resistance R
4The Pulse-trigger control circuit of forming is through capacitor C
1, be added on the control board of silicon controlled main rectifier SCR the conducting of control silicon controlled main rectifier SCR.After the silicon controlled main rectifier SCR conducting, storage battery is charged.Capacitor C
2Be a crucial voltage delay formula output capacitance, thus can be very low the voltage accent, and very sensitive, with capacitor C
2, C
3, resistance R
5Acting in conjunction is equivalent to a ∏ mode filter, thereby has guaranteed working stability of the present utility model.
The utility model use is very simple.Will with the point 1 and 2 plug AC that join, insert the 220V AC power.The red line of output DC is connect the positive pole of battery, and black line connects the negative pole of battery.When charging current was charged to rated value, the utility model autostop used fool proof reliable.
The utility model can also be worked as DC power supply and use except that as the battery charge.
The utility model can be controlled the size of charging current.Pulse-triggered is by resistance R
3, capacitor C
1Control.So can regulate the output size of silicon controlled main rectifier SCR arbitrarily.Silicon controlled main rectifier SCR is half-wave DC output, is convenient to the charging of storage battery.Another characteristics of the utility model are that volume is little, as shown in Figure 2.
Claims (5)
1, a kind of quick charger mainly is made up of charging circuit, it is characterized in that, also has safety protective circuit, control circuit, and the voltage-regulation of charging circuit is silicon controlled main rectifier SCR.
2, quick charger according to claim 1 is characterized in that described safety protective circuit is by resistance R
1, luminous tube XD forms, charge protector is by relay J
1, J
2And resistance R
7, R
8, R
9, diode DW
2, triode BG
2Deng composition, control circuit is by triode BG
1, resistance R
3, R
4, R
5, capacitor C
1, C
2, C
3Deng composition.
3, quick charger according to claim 2 it is characterized in that when alternating current fire wire contact 2, the luminous tube XD in the safety protective circuit is bright, otherwise XD does not work.
4, quick charger according to claim 2 is characterized in that when not connecing battery or battery reversal connection the charge protector relay J
1Be failure to actuate, otherwise J
1Action, when battery is charged to rated value, the triode BG in the charge protector
2Conducting, charging stops automatically.
5, quick charger according to claim 2 is characterized in that the resistance R in the control circuit
2, diode DW
1The simple and easy stabilized voltage power supply of forming is supplied with by resistance R
3, capacitor C
1, triode BG
1, resistance R
4The pulsed triggering circuit of forming, and be added on the silicon controlled main rectifier SCR, make its conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89203044 CN2050230U (en) | 1989-03-17 | 1989-03-17 | Miniature fast-speed charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89203044 CN2050230U (en) | 1989-03-17 | 1989-03-17 | Miniature fast-speed charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2050230U true CN2050230U (en) | 1989-12-27 |
Family
ID=4860681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89203044 Withdrawn CN2050230U (en) | 1989-03-17 | 1989-03-17 | Miniature fast-speed charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2050230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055999B (en) * | 2006-02-23 | 2011-02-02 | 精工电子有限公司 | Charge/discharge protection circuit and power-supply unit |
-
1989
- 1989-03-17 CN CN 89203044 patent/CN2050230U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055999B (en) * | 2006-02-23 | 2011-02-02 | 精工电子有限公司 | Charge/discharge protection circuit and power-supply unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |