CN2794010Y - Repairing charger of charging light and battery - Google Patents
Repairing charger of charging light and battery Download PDFInfo
- Publication number
- CN2794010Y CN2794010Y CNU2005200562202U CN200520056220U CN2794010Y CN 2794010 Y CN2794010 Y CN 2794010Y CN U2005200562202 U CNU2005200562202 U CN U2005200562202U CN 200520056220 U CN200520056220 U CN 200520056220U CN 2794010 Y CN2794010 Y CN 2794010Y
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- China
- Prior art keywords
- circuit
- charger
- charging
- battery
- rechargeable lamp
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- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a charging light and a repairing charger. The charger comprises a rectifying circuit, a charging end and a reflowing end which are connected with a charged battery, a pulse generating circuit, a charging and controlling circuit and a charging state indicating circuit, wherein charging loops are formed between the output end of the rectifying circuit and the charging end and between the reflowing end and a ground line. The charging and controlling circuit comprises electronic switches which are connected in series with the charging loops, and the controlled ends of the electronic switches are connected with the output ends of the pulse generating circuit. The charging and controlling circuit also comprises a battery detecting circuit between the controlled end and the reflowing end which are connected with the pulse generating circuit. The utility model provides the repairing charger which repairs the battery lacking electricity, has the advantages of simple and light structure and low cost and is conveniently arranged at the inner part of a charging light fitting and the charging light.
Description
Technical field
The utility model relates to a kind of electric light source, and more particularly, the utility model relates to a kind of rechargeable lamp and charger thereof.
Background technology
At present, the charging light fixture of Xiao Shouing on the market comprises storage battery and a supporting charger of interior or external.For the charging light fixture of top grade, the battery that it is supporting and the quality of charger are better, but the price of high enterprise makes consumers in general hang back, and the big general and light fixture split of volume, are difficult to have vast market; On the other hand, the charging light fixture of producing in order to satisfy the lower price expectation in market is because production cost is lower, so the quality of supporting battery and charger is all relatively poor, cause charging process unreasonable: from the charger angle, former supporting charger adopts non-pulse formula charging principle, though simple in structure, be easy to generate battery polarization, battery high-temperature, too fast damage battery, make shorter battery life, and even can not fill electricity, both consume electric power was also damaged charger easily.These quality problems of rechargeable lamp cause China's rechargeable lamp product more than predicament to occur returning goods after sale at a low price, have greatly influenced the benign development of the sector, even may cause the complete atrophy of this industry to be disappeared.
Aspect charger and light fixture thereof, it is that 98240125.6 Chinese patent discloses a kind of charger for mobile phone that the patent No. is arranged, its charge-discharge circuit comprises a charging and discharging state observation circuit and a CPU, and the charging and discharging state observation circuit comprises an operational amplifier integrating circuit and two comparison circuits.This shows that this charger is comparatively complicated, cost is also corresponding higher.
Similarly, also having the patent No. is that 989255368.7 Chinese patent discloses a kind of common batteries quick charger except common transformer, rectifier, it is connected to the double-frequency pulse generator circuit between charger output and a transistor base resistance, one tunnel output of pulse generator connects ceramic transducer.It is said that it utilizes ceramic transducer to make rechargeable battery vibrate the speed with the accelerated charging reduction reaction thereupon, realizes quick charge thus.This charger also has cost and effect problem.
Summary of the invention
At the above-mentioned shortcoming of prior art, the technical purpose that the utility model will reach be to provide a kind of have repair the power shortage battery, simple in structure light and handy, with low cost, be convenient to be installed in the charging lamp interior reparation charger and rechargeable lamp thereof.
For this reason, one of technical solution of the present utility model is a kind of reparation charger of rechargeable lamp battery, and this charger comprises rectification circuit, connect the charging end be recharged the pond and backflow end, pulse generating circuit, charging control circuit, charged state indicating circuit; Form charge circuit between described rectification circuit output end and described charging end, backflow end and the ground wire, and described charging control circuit comprises the electronic switch that is connected on the described charge circuit, the controlled end of this electronic switch is connected on the output of described pulse generating circuit, and described charging control circuit also comprises the controlled end that is connected described pulse generating circuit and the battery detection circuit between the described backflow end.The utility model adopts the circuit connection structure of polyphone electronic switch on charge circuit, adopts a very inexpensive pulse generating circuit just to reach charging control purpose again; this very simple structure can realize the light fixture storage battery is carried out the pulse current charge purpose, and the pulse current charge mode can realize the protectiveness charging to various batteries effectively and repair because overdischarge and the battery of power shortage.Solved the charger shortcoming of traditional low price rechargeable lamp at one stroke and had advantage light and handy, with low cost simple in structure concurrently, be convenient to be installed in the charging lamp interior and realize that the charging light fixture is lightly integrated.
In order to prevent again at the beginning of the power shortage battery charge, adding the charging DC power supply is transmitted to bulb and causes overvoltage to burn out bulb, described charger also comprises the overvoltage power-down circuit, this overvoltage power-down circuit comprise the input end that is connected described rectification circuit the pressure measurement circuit, be connected in bulb and be recharged switching circuit on the loop, pond; Described pressure measurement circuit output end is connecting the control end of described switching circuit.
As the utility model preferred embodiment, described electronic switch is the semiconductor switch triode.Described pulse generating circuit is the time-base oscillation circuit chip.
Described battery detection circuit comprises voltage stabilizing didoe, triode coupling circuit, the triode negative circuit that is connected across between described backflow end and rectification circuit output end successively, and two lead-out terminals of this negative circuit are connected between the controlled end and ground wire of described pulse generating circuit.
Described charged state indicating circuit comprises light-emitting diode, and this light-emitting diode is connected on the output circuit of described pulse generating circuit.
Another relevant technologies solution of the present utility model is a kind of rechargeable lamp that adopts above-mentioned charger, this rechargeable lamp comprises shell, storage battery, hand switch, bulb, and described charger is installed in the shell of described rechargeable lamp, described charger comprises the interface of external direct current power supply, is provided with the perforate of fixing described interface on described case surface.The said structure of the utility model rechargeable lamp is convenient to the charging DC power supply is installed in the outside, can the advantage that charger construction is light and handy further bring into play, and produces portable, pocket charging light fixture effectively.
Burn for the protection bulb avoids in the charging overvoltage, described hand switch and described switching circuit all are connected in described bulb and the lighting loop that is recharged pond formation.
For ease of the monitoring charged state, the artificial cooperation charges, and the utility model is provided with the display window of corresponding described charged state indicating circuit on described case surface.
In a word, the utility model is implemented simple, and effect is obvious, and is easy to utilize.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the circuit connection diagram of the utility model rechargeable lamp and reparation charger embodiment thereof.
Embodiment
As Fig. 1, be depicted as a kind of rechargeable lamp and reparation charger circuit figure thereof, this reparation charger comprises rectification circuit, the charging end A1 that connection is recharged pond VT1 and reflux pulse generating circuit, the charging control circuit that comprises electronic switch Q2 of holding A2, time-base oscillation circuit chip IC1 to form, the charged state indicating circuit that comprises D2 that D3, D4 form; Form charge circuit between rectification circuit output end and charging end A1, backflow end A2 and the ground wire, the controlled end of this electronic switch Q2 is connected on output 3 pin of pulse generating circuit IC1, and charging control circuit also comprises controlled end 4 pin that are connected described pulse generating circuit IC1 and the battery detection circuit between the described backflow end A2.
Described battery detection circuit comprises voltage stabilizing didoe D1, the coupling circuit that comprises triode Q3 that is connected across between described backflow end A2 and rectification circuit output end, the negative circuit that comprises triode Q1 successively, and two lead-out terminals of this negative circuit are connected between controlled end 4 pin and ground wire of described pulse generating circuit IC1.
Described charger also comprises the overvoltage power-down circuit, this overvoltage power-down circuit comprise the input that is connected described rectification circuit be arrow 0 place the pressure measurement circuit, be connected in bulb LAM and the switch triode Q4 that is recharged on the loop of pond VT1; Described pressure measurement circuit arrow 0 output is connecting the control end of switch triode Q4.
Described charged state indicating circuit comprises light-emitting diode D2, and this light-emitting diode D2 is connected on output circuit 7 pin of described pulse generating circuit IC1.
Adopt the rechargeable lamp of above-mentioned charger, it comprises shell (not detailed showing), storage battery, hand switch (not detailed showing), bulb LAM, and described charger is installed in the shell of rechargeable lamp, described charger comprises the interface IN1 of external direct current power supply, is provided with the perforate of fixing described interface IN1 on described case surface.
Described hand switch and described switching circuit all are connected in bulb LAM and are recharged in the lighting loop of pond VT1 formation.On described case surface, be provided with the display window (not detailed showing) of corresponding described charged state indicating circuit.
The groundwork process of the utility model charger and rechargeable lamp is roughly as follows: charging current refluxes through R7 during the charging beginning, because battery power shortage or short of electricity, internal resistance is very high, charging in short-term makes external power supply be higher than a lot of overvoltage of battery rated voltage in the input end generation of rectification circuit, over-pressure makes voltage stabilizing didoe D1 reverse breakdown, the equal conducting of triode Q3, Q1, the 4 pin low levels of time-base oscillation circuit chip IC1, impel 3 pin high level of chip, turn-on transistor Q2 makes charging current flow away without battery through triode Q2 short circuit from R2; Because no electricity and voltage drops to a certain degree, voltage stabilizing didoe D1 recovers to end when battery, and triode Q2 ends, and multiple the backflow through battery and R7 of charging current repaired charging, and light-emitting diode D2 long period is glittering at this moment; When battery reparation enters floating charge state, the internal resistance of cell reduces, overvoltage reduces, voltage stabilizing didoe D1 ends substantially, at this moment, triode Q3, Q1 all end, the 4 pin high level of time-base oscillation circuit chip IC1,3 pin of chip are exported normal 10Hz pulse, periodically turn-on transistor Q2 makes external power supply charge normal the big pulse current that battery carries out 10Hz, and light-emitting diode D2 short period this moment is glittering; Be full of when battery is approaching, internal resistance is minimum, causes the 4 pin voltages of time-base oscillation circuit chip IC1 to be lower than its resetting voltage requirement, and 3 pin of IC1 turn-off, and light-emitting diode D2 length is bright does not go out, prompting charging end.
Claims (9)
1, a kind of reparation charger of rechargeable lamp battery, this charger comprise rectification circuit, connect the charging end be recharged the pond and backflow end, pulse generating circuit, charging control circuit, charged state indicating circuit; Form charge circuit between described rectification circuit output end and described charging end, backflow end and the ground wire, it is characterized in that: described charging control circuit comprises the electronic switch that is connected on the described charge circuit, the controlled end of this electronic switch is connected on the output of described pulse generating circuit, and described charging control circuit also comprises the controlled end that is connected described pulse generating circuit and the battery detection circuit between the described backflow end.
2, the reparation charger of rechargeable lamp battery as claimed in claim 1, it is characterized in that: described charger also comprises the overvoltage power-down circuit, this overvoltage power-down circuit comprise the input end that is connected described rectification circuit the pressure measurement circuit, be connected in bulb and be recharged switching circuit on the loop, pond; Described pressure measurement circuit output end is connecting the control end of described switching circuit.
3, the reparation charger of rechargeable lamp battery as claimed in claim 1 is characterized in that: described electronic switch is the semiconductor switch triode.
4, the reparation charger of rechargeable lamp battery as claimed in claim 1 is characterized in that: described pulse generating circuit is the time-base oscillation circuit chip.
5, the reparation charger of rechargeable lamp battery as claimed in claim 1, it is characterized in that: described battery detection circuit comprises voltage stabilizing didoe, triode coupling circuit, the triode negative circuit that is connected across between described backflow end and rectification circuit output end successively, and two lead-out terminals of this negative circuit are connected between the controlled end and ground wire of described pulse generating circuit.
6, the reparation charger of rechargeable lamp battery as claimed in claim 1 is characterized in that: described charged state indicating circuit comprises light-emitting diode, and this light-emitting diode is connected on the output circuit of described pulse generating circuit.
7, a kind of rechargeable lamp that adopts as charger as described in one of claim 1～6, this rechargeable lamp comprises shell, storage battery, hand switch, bulb, it is characterized in that: described charger is installed in the shell of described rechargeable lamp, described charger comprises the interface of external direct current power supply, is provided with the perforate of fixing described interface on described case surface.
8, rechargeable lamp as claimed in claim 7 is characterized in that: described hand switch and described switching circuit all are connected in described bulb and are recharged in the lighting loop of pond formation.
9, rechargeable lamp as claimed in claim 7 is characterized in that: the display window that is provided with corresponding described charged state indicating circuit on described case surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200562202U CN2794010Y (en) | 2005-03-24 | 2005-03-24 | Repairing charger of charging light and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200562202U CN2794010Y (en) | 2005-03-24 | 2005-03-24 | Repairing charger of charging light and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2794010Y true CN2794010Y (en) | 2006-07-05 |
Family
ID=36821147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200562202U Expired - Fee Related CN2794010Y (en) | 2005-03-24 | 2005-03-24 | Repairing charger of charging light and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2794010Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119707A (en) * | 2018-07-04 | 2019-01-01 | 六安市同心畅能电子科技有限公司 | Generator installs battery repair control circuit additional in a kind of automobile |
-
2005
- 2005-03-24 CN CNU2005200562202U patent/CN2794010Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119707A (en) * | 2018-07-04 | 2019-01-01 | 六安市同心畅能电子科技有限公司 | Generator installs battery repair control circuit additional in a kind of automobile |
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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 |