CN2151573Y - Small size DC resource with charging function - Google Patents
Small size DC resource with charging function Download PDFInfo
- Publication number
- CN2151573Y CN2151573Y CN 93238230 CN93238230U CN2151573Y CN 2151573 Y CN2151573 Y CN 2151573Y CN 93238230 CN93238230 CN 93238230 CN 93238230 U CN93238230 U CN 93238230U CN 2151573 Y CN2151573 Y CN 2151573Y
- Authority
- CN
- China
- Prior art keywords
- voltage
- charging
- voltage stabilizing
- circuit
- housing
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a small size DC dual-purpose device with functions of voltage stabilization and charge. The utility model is composed of a housing, a circuit board, and circuit elements, wherein, the circuit board is installed in the housing, and the circuit elements are corresponding to the circuit board. The utility model is formed by that the face plate of the housing is provided with a power supply switch, a current voltmeter, an indicating lamp, and output jacks; the back plate of the housing is provided with a power supply socket, vent holes are opened on the back plate, and a rechargeable battery box is installed on the back plate; the output jacks of the face plate of the housing comprise a voltage stabilization output jack and a charging output jack; meanwhile, the face plate of the housing is also provided with trimming turn knobs for charging current and stabilized voltage and push-pull switches for observing the charging current and the stabilized voltage; a voltage stabilization charging circuit is arranged on the circuit board which is arranged in the housing; the voltage stabilization charging circuit comprises a power supply transformer, a rectifier filter, a voltage stabilizer, a charger, and a voltage stabilization charging output circuit.
Description
The utility model relates to a kind of DC voltage-stabilizing or charging electrical equipment.
Existing voltage stabilizing or charger are the voltage stabilizing or the charging of simple function, and are the voltage stabilizing or the charging of constant-pressure type, make troubles to use.
The purpose of this utility model provides a kind of small-sized DC voltage stabilizing charge dual-purpose electrical equipment, and its voltage stabilizing and charging can be carried out respectively or simultaneously, and its voltage stabilizing and charging current voltage are adjustable, extremely easy to use, economical.
The purpose of this utility model is achieved in that it is made of circuit board of installing in shell and the shell and circuit element thereof, the panel of shell is provided with mains switch, current voltmeter, indicator light and output plughole, back plate is provided with supply socket and has air vent hole, and charging battery cartridge is installed, output plughole on the housing face-plate includes voltage stabilizing output plughole and charging output plughole, also be provided with charging current and voltage of voltage regulation fine setting turn-knob simultaneously, and observation charging current and voltage of voltage regulation push-and-pull switch, on the circuit board in the shell is voltage stabilizing charging circuit, and voltage stabilizing charging circuit includes power transformer, rectifier filter, pressurizer, charger and voltage stabilizing charging output circuit.
Below in conjunction with drawings and Examples, structure of the present utility model and operation principle are further described in detail.
Fig. 1 is the utility model shell panel structure figure.
Fig. 2 is the utility model shell back plate structure figure.
Fig. 3 is for the electrical schematic diagram that single-pole double-throw switch (SPDT) links to each other with current voltmeter is used in the voltage stabilizing charging respectively.
Fig. 4 is for the electrical schematic diagram that double-point double-throw switch links to each other with current voltmeter is used in the voltage stabilizing charging respectively.
Fig. 5, the double purpose device electrical schematic diagram that uses simultaneously for voltage stabilizing charging.
Referring to accompanying drawing 1 ,-2, the utility model is to be made of circuit board of installing in shell and the shell and circuit element thereof, and the panel of shell is provided with mains switch 1, current voltmeter 3, indicator light 2 and output plughole; Back plate is provided with supply socket 9 and has air vent hole 10, and charging battery cartridge 8 is installed.Output plughole on the housing face-plate includes voltage stabilizing output plughole 6 and charging output plughole 7, also be provided with charging current and voltage of voltage regulation fine setting turn-knob 5 simultaneously, and observation charging current and voltage of voltage regulation push-and-pull switch 4, on the circuit board in the shell is voltage stabilizing charging circuit, and voltage stabilizing charging circuit includes power transformer, rectifier filter, pressurizer, charger and voltage stabilizing charging output circuit.
Referring to accompanying drawing 3-5, voltage stabilizing charging circuit of the present utility model includes power transformer, rectifier filter, pressurizer, charger and voltage stabilizing charging output circuit.Its rectifier filter is the bridge rectifier filter, pressurizer is one or the integrated voltage adjustable voltage stabilizer of two three ends in parallel, charger includes charging battery cartridge 8 and current-limiting resistance, the anti-down diode that fills is formed, voltage stabilizing selects for use single-pole double throw, double-point double-throw switch to link to each other with current voltmeter 3 with charging in the output circuit, so that regulate observation charging current or voltage of voltage regulation situation respectively.Wherein, Fig. 3 and shown in Figure 4, when pressurizer is the integrated voltage adjustable voltage stabilizer of one three end, constitute the voltage stabilizing charge dual-purpose device that the voltage stabilizing charging is selected or used respectively, shown in Figure 5, pressurizer is the integrated voltage adjustable voltage stabilizer of two three ends in parallel, constitutes the voltage stabilizing charge dual-purpose electrical equipment that the voltage stabilizing charging is used simultaneously.
Operation principle of the present utility model from electrical schematic diagram as can be seen, K
1Be mains switch, B is a transformer, and 3W is arranged, 5W, the main type power of 8W() and 15W, 20W etc. are converted to all kinds low-voltage with the 220V electric main, D
1Be the bridge rectifier that four diodes are formed, alternating voltage is converted to low pressure group direct voltage, C
1Be a large value capacitor, reduce to minimum through filtered direct voltage ripple coefficient.C
2Be shockproof electric capacity.R
1Be the current-limiting resistance of light-emitting diode, D
2Be light-emitting diode.1C is plastic packaging three end integrated circuit adjustable voltage stabilizers.R
2, R
3, C
3The trimming circuit of forming output voltage, their value can directly influence the precision of fine setting and stablize D
3When playing output direct current outside line short circuit, protects by diode voltage-stabiliser tube effect, C
4Be the shockproof electric capacity of output, S is that the direct current consumption is pacified the peace gauge outfit that declines.R is for measuring the shunt resistance of current range, R
5For measuring the range resistance of DC voltage-stabilizing output voltage.R
4Be charging current limiter resistance, D
4For preventing that being recharged the pond fills diode.This voltage-stabilizing charger is that voltage stabilizing, two normal conventional circuits of charging organically are grouped together, and has played the dual-purpose effect of a device, and its functional part can show on housing face-plate.
Outstanding effect of the present utility model is to collect voltage stabilizing and is charged as one, can be respectively or carry out simultaneously voltage stabilizing or (with) charging, and voltage stabilizing, charging is adjustable, structure is very simple, uses very convenient, economical.
Claims (3)
1, a kind of small-sized DC voltage stabilizing charge dual-purpose device, constitute by circuit board of installing in shell and the shell and circuit element thereof, the panel of shell is provided with mains switch (1), current voltmeter (3), indicator light (2) and output plughole, back plate is provided with supply socket (9) and has air vent hole (10), and charging battery cartridge (8) is installed, it is characterized in that the output plughole on the housing face-plate includes voltage stabilizing output plughole (6) and charging output plughole (7), also be provided with charging current and voltage of voltage regulation fine setting turn-knob (5) simultaneously, and observation charging current and voltage of voltage regulation push-and-pull switch (4), on the circuit board in the shell is voltage stabilizing charging circuit, and voltage stabilizing charging circuit includes power transformer, rectifier filter, pressurizer, charger and voltage stabilizing charging output circuit.
2, according to the said small-sized DC voltage stabilizing of claim 1 charge dual-purpose device, the rectifier filter that it is characterized in that constituting voltage stabilizing charging circuit is the bridge rectifier filter, pressurizer is one or the integrated voltage adjustable voltage stabilizer of two three ends in parallel, charger includes charging battery cartridge (8) and current-limiting resistance, the anti-down diode that fills is formed, and selects for use single-pole double throw, double-point double-throw switch to link to each other with current voltmeter (3) in the voltage stabilizing and the output circuit that charges.
3, according to claim 1 or 2 said small-sized DC voltage stabilizing charge dual-purpose devices, when it is characterized in that pressurizer is the integrated voltage adjustable voltage stabilizer of one three end, constitute the voltage stabilizing charge dual-purpose device that the voltage stabilizing charging is selected or used respectively, when pressurizer is the integrated voltage adjustable voltage stabilizer of in parallel two three ends, promptly constitute the voltage stabilizing charge dual-purpose device that the voltage stabilizing charging is used simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93238230 CN2151573Y (en) | 1993-02-25 | 1993-02-25 | Small size DC resource with charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93238230 CN2151573Y (en) | 1993-02-25 | 1993-02-25 | Small size DC resource with charging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2151573Y true CN2151573Y (en) | 1993-12-29 |
Family
ID=33813009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93238230 Expired - Fee Related CN2151573Y (en) | 1993-02-25 | 1993-02-25 | Small size DC resource with charging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2151573Y (en) |
-
1993
- 1993-02-25 CN CN 93238230 patent/CN2151573Y/en not_active Expired - Fee Related
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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 |