CN201562992U - Quick charger for battery pack of rechargeable electric tool - Google Patents
Quick charger for battery pack of rechargeable electric tool Download PDFInfo
- Publication number
- CN201562992U CN201562992U CN2009202141102U CN200920214110U CN201562992U CN 201562992 U CN201562992 U CN 201562992U CN 2009202141102 U CN2009202141102 U CN 2009202141102U CN 200920214110 U CN200920214110 U CN 200920214110U CN 201562992 U CN201562992 U CN 201562992U
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- China
- Prior art keywords
- power
- charger
- circuit
- high frequency
- electric tool
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a quick charger for a battery pack of a rechargeable electric tool, which comprises a charger casing, an alternating current input power cable and a high frequency switch power supply part. A special electronic circuit board is assembled inside the charger; the high frequency switch power supply part comprises a starting-up power circuit, a surge suppression protective circuit and a high frequency oscillation switch control circuit; the starting-up power circuit and the surge suppression protective circuit comprise a fuse, a thermal resistor, a varistor, a capacitor, a releasing resistor and a filter; and the fuse and the thermal resistor are respectively connected with two input terminals of an alternating current power supply in series. The quick charger solves the problem that the charging speed is not matched with the use time of the electric tool, the charging time is shortened to 15 to 30 munities, and the convenience, the applicability and the security of the electric tool are greatly improved.
Description
Technical field
The utility model relates to a kind of electric tool, particularly a kind of power brick quick charger of rechargeable power tool.
Background technology
Existing electric tool in use, one of ubiquity is distinct issues comparatively, promptly fill a power brick and need about 3 hours, the continuous use of instrument can only be with 5-15 minute, charging rate is slow, directly influence the result of use of electric tool, bring great inconvenience to the user, and filled the requirement that device still can not satisfy the user in follow-on 1 hour soon.
The utility model content
Technical problem to be solved in the utility model provides a kind of power brick quick charger of rechargeable power tool, it solves charging rate and is not connected contradiction service time mutually with electric tool, making the charging interval shorten to 15-30 minute can be sufficient, improves convenience, suitable and fail safe that electric tool uses greatly.
For solveing the technical problem; the utility model provides a kind of power brick quick charger of rechargeable power tool; it is characterized in that; this charger comprises charger case; alternating current input power supplying line and high frequency switch power part; charger inside is furnished with the special electronic wiring board; the high frequency switch power part is by starting power circuit; surge suppresses protective circuit; higher-order of oscillation ON-OFF control circuit is formed; start power circuit and surge and suppress protective circuit by fuse; thermistor; piezo-resistance; electric capacity; discharge resistance; filter constitutes, and fuse and thermistor are connected in series AC power two inputs respectively.
Preferably, be furnished with the power brick socket aperture on the described charger case, and the power brick socket has been installed.
Preferably, radiator fan is equipped with in the power brick quick charger inside of described rechargeable power tool, and charger case has air intake and air-out passage.
Positive progressive effect of the present utility model is: the power brick quick charger of the utility model electric tool solves charging rate and is not connected contradiction service time mutually with electric tool, making the charging interval shorten to 15-30 minute can be sufficient, greatly the convenience of raising instrument use, suitable and fail safe.Adopt simultaneously wide voltage input again, can both use from 100V-240V, the electrical network that can adapt to the different regions country variant, have great convenience for the user, owing to adopted intelligence program control, the power brick quick charger of this rechargeable power tool has the function of distinguishing power brick voltage automatically again, can fill the power brick of respectively keeping off specification of 9.6V-19.2V.
Description of drawings
Fig. 1 is the structural representation of the power brick quick charger of the utility model rechargeable power tool.
Fig. 1 is the circuit diagram that starts power circuit and surge inhibition protective circuit in the utility model.
Embodiment
Lift a preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.
As shown in Figure 1, the power brick quick charger of the utility model rechargeable power tool comprises charger case 1, alternating current input power supplying line 2 and high frequency switch power part, charger case adopts the north material of engineering to make, charger inside is furnished with the special electronic wiring board, electronic circuit board is by exchanging wide voltage input, rectifying device, filtering, the core is the high frequency switch power part, charger comprises high frequency transformer and direct current output, the output voltage current control circuit, the automatic signal feedback circuit, intelligent charge program control part, radiator fan is equipped with in charger inside, and charger case has air intake and air-out passage.Be furnished with the power brick socket aperture on the charger case, and the power brick socket has been installed.
As shown in Figure 2; the high frequency switch power part is by starting power circuit; surge suppresses protective circuit; compositions such as higher-order of oscillation ON-OFF control circuit; start power circuit and surge and suppress protective circuit by fuse FS1; thermistor NTC1; piezo-resistance RV1; capacitor C X1; discharge resistance R 2 and R3; filter L1 constitutes; wherein fuse FS1 and thermistor NTC1 are connected in series AC power two inputs respectively; capacitor C X1; filter L1 and capacitor C X2 connect into ∏ type filter circuit; then by bridge-type genotron D1; D2; D3; the output high direct voltage of D4; through high-voltage capacitance filtering, directly supply high frequency switch power work.Switching circuit is by high frequency transformer T1 winding, resistance R 4, resistance R 11, resistance R 1, R26, resistance R 37, resistance R 38, resistance R 39, resistance R 40, capacitor C 16, capacitor C 8, capacitor C 2, capacitor C 22, components and parts such as metal-oxide-semiconductor field effect transistor and special switch integral control circuit are formed, direct current output, the output voltage current control circuit is by high frequency transformer T1 winding, resistance R 42, resistance R 56, resistance R 57, capacitor C 3, voltage-stabiliser tube Z1, components and parts such as diode D12 are formed, the automatic signal feedback circuit is by light idol U2, resistance R 13, resistance R 15, resistance R 17, resistance R 18, resistance R 19, resistance 20, resistance R 21, resistance R 22, resistance R 23, resistance R 24, resistance R 25, resistance R 33, voltage-stabilizing device U4, capacitor C 17 components and parts such as grade are formed, the intelligent charge program control is inserted behind main programming by the lead of input/output port connection one to one by special chip, realizes the intelligent management of quick charge overall process.
High frequency switch power has partly adopted the Switching Power Supply design; by safety isolating transformer high-pressure side and low-pressure end are left; solved safety problem; abandoned big, the inefficient appendiron core transformer of traditional volume heaviness, loss; high frequency transformer adopts integrated special chip to control (the Pulse WidthModulation by PWM; pulse-width modulation) duty ratio and high-frequency adjustment have overvoltage, under-voltage, overcurrent, automatic protection functions such as overheated; greatly improve energy efficiency, well solved signal controlling and feedback problem again.Live part has adopted the programmable single-chip microcomputer of high integration, and higher A/D (analog/digital) conversion accuracy is arranged, and has enough to carry internal memory and the strong working stability of antijamming capability is reliable.Adopt the syllogic program charge mode of independent development, first section is adopted the little pre-charge pattern of constant current, regularly five minutes, help activated batteries, second section big electric current of employing constant current enters and fills main program soon, guarantee in the shortest time, to finish charging to battery, the 3rd section be recharged the pond group behind the large current charge and sending-enter trickle automatically behind the Δ to replenish, adopt thermistor that the charging overall process is carried out monitoring temperature, not only in time eliminate the polarity effect and the wafer effect of the inside battery generation that causes because of quick charge, can also detect the battery pack temperature rate of rise of moment automatically, in time adjust, guarantee that charging process is safe and effective soon towards electric current.Output is provided with short-circuit protection to the power brick quick charger of intelligentized rechargeable power tool to charger, overcurrent protection, and can tell the quality that is recharged Chi Bao automatically, and give prompting in different indicator light modes, have great convenience for the user.Owing to adopt large current charge, charger itself can produce higher heat, the power brick quick charger of rechargeable power tool is except adopting the mini-fan forced heat radiation, also on housing designs, rationally be provided with air inlet and air outlet, solved the problem of temperature rise of large current charge device effectively.
Though more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these execution modes.Therefore, protection range of the present utility model is limited by appended claims.
Claims (3)
1. the power brick quick charger of a rechargeable power tool; it is characterized in that; this charger comprises charger case, alternating current input power supplying line and high frequency switch power part; charger inside is furnished with the special electronic wiring board; the high frequency switch power part is made up of startup power circuit, surge inhibition protective circuit, higher-order of oscillation ON-OFF control circuit; start power circuit and surge inhibition protective circuit and be made of fuse, thermistor, piezo-resistance, electric capacity, release resistance, filter, fuse and thermistor are connected in series AC power two inputs respectively.
2. the power brick quick charger of rechargeable power tool as claimed in claim 1 is characterized in that, is furnished with the power brick socket aperture on the described charger case, and the power brick socket has been installed.
3. the power brick quick charger of rechargeable power tool as claimed in claim 1 is characterized in that, radiator fan is equipped with in the power brick quick charger inside of described rechargeable power tool, and charger case has air intake and air-out passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202141102U CN201562992U (en) | 2009-11-24 | 2009-11-24 | Quick charger for battery pack of rechargeable electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202141102U CN201562992U (en) | 2009-11-24 | 2009-11-24 | Quick charger for battery pack of rechargeable electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562992U true CN201562992U (en) | 2010-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202141102U Expired - Fee Related CN201562992U (en) | 2009-11-24 | 2009-11-24 | Quick charger for battery pack of rechargeable electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201562992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051164A (en) * | 2011-10-14 | 2013-04-17 | 成都锐奕信息技术有限公司 | Filter circuit for filtering output voltage of battery |
| CN110494015A (en) * | 2019-08-02 | 2019-11-22 | Oppo（重庆）智能科技有限公司 | Charge radiator, electronic equipment, charging cooling system |
-
2009
- 2009-11-24 CN CN2009202141102U patent/CN201562992U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051164A (en) * | 2011-10-14 | 2013-04-17 | 成都锐奕信息技术有限公司 | Filter circuit for filtering output voltage of battery |
| CN110494015A (en) * | 2019-08-02 | 2019-11-22 | Oppo（重庆）智能科技有限公司 | Charge radiator, electronic equipment, charging cooling system |
| CN110494015B (en) * | 2019-08-02 | 2020-10-02 | Oppo（重庆）智能科技有限公司 | Charging heat dissipation device, electronic equipment and charging heat dissipation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20121124 |