CN207459777U - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- CN207459777U CN207459777U CN201721431380.XU CN201721431380U CN207459777U CN 207459777 U CN207459777 U CN 207459777U CN 201721431380 U CN201721431380 U CN 201721431380U CN 207459777 U CN207459777 U CN 207459777U
- Authority
- CN
- China
- Prior art keywords
- battery
- module
- electric tool
- circuit
- voltage
- 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
Links
- 238000004146 energy storage Methods 0.000 claims abstract description 18
- 239000000178 monomer Substances 0.000 claims description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
- 229910018095 Ni-MH Inorganic materials 0.000 claims description 9
- 229910018477 Ni—MH Inorganic materials 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The electric tool that the utility model embodiment provides, interface module, boost module, energy-storage module and load including electrical connection, interface module includes USB interface, energy-storage module includes battery, cell voltage is more than 7V, boost module includes booster circuit, by booster circuit to being that energy-storage module charges after the 5V boost in voltage that USB is inputted, to facilitate the charging of electric tool.
Description
Technical field
The utility model is related to a kind of electric tool, more particularly to a kind of chargeable electric tool.
Background technology
Electric tool, such as electric hand drill, electric screw driver, electric mill, are generally used, these are electronic in daily life
Some are powered instrument using rechargeable battery, in order to make electric tool that there is sufficiently large power drive electric tool to run, this
A little electric tools are usually using 7.2V, and 8V, 9V or even 12V battery powereds, on the other hand, USB interface obtains increasingly wider at present
General use, such as various movable equipments, computer, mobile power etc. have been typically equipped with USB interface, but USB interface exports
Voltage is 5V, can not be that electric tool charges, it is therefore necessary to provide a kind of electronic work that can be charged by USB interface
Tool.
The content of the invention
Therefore it provides a kind of electric tool solves above-mentioned technical problem.
A kind of electric tool, interface module, boost module, energy-storage module and load including electrical connection, the interface
Module includes USB interface, and the energy-storage module includes battery, and the cell voltage is more than 7V, the boost module bag
Include booster circuit.
Further, the battery be rechargeable battery, the rechargeable battery for lead-acid accumulator, lithium battery,
One kind in Ni-MH battery.
Further, the battery includes multiple single batteries, and multiple single batteries connect to form battery pack, when described
Single battery be monomer lead acid storage battery when, the battery pack include at least four monomer lead acid storage battery, when the list
When body battery is single lithium battery, the battery pack includes at least two single lithium battery, when the single battery is monomer
During Ni-MH battery, the battery pack includes at least six monomer Ni-MH battery.
Further, the booster circuit is boost booster circuits.
Further, the boost module further includes regulator circuit and filter circuit.
Further, the electric tool further includes voltage reduction module and rectification module, and the voltage reduction module includes drop
Volt circuit, the reduction voltage circuit include transformer, and the rectification module includes rectification circuit, and the rectification circuit is bridge
Formula rectification circuit.
Further, the voltage reduction module further includes attachment device, and the attachment device includes plug or socket.
Further, the voltage reduction module is connected with rectification module, and the rectification module is in parallel with USB interface.
Further, the load includes motor.
Advantageous effect：The electric tool that the utility model embodiment provides, the interface module including electrical connection, boosting mould
Block, energy-storage module and load, interface module include USB interface, and energy-storage module includes battery, and cell voltage is more than 7V, and boost mould
Block includes booster circuit, by booster circuit to being that energy-storage module charges after the 5V boost in voltage that USB is inputted, to facilitate electricity
The charging of power driven tools.
Description of the drawings
The power tool module figure of Fig. 1 the utility model embodiments
The electric tool embodiment schematic diagram of Fig. 2 the utility model embodiments
The electric tool boost module circuit diagram of Fig. 3 the utility model embodiments
The electric tool voltage reduction module, rectification module circuit diagram of Fig. 4 the utility model embodiments
Graphical sysmbol explanation
| Interface module | 110 |
| Boost module | 120 |
| Rectification module | 130 |
| Voltage reduction module | 140 |
| Energy-storage module | 200 |
| Load | 300 |
Following specific embodiment will further illustrate the utility model with reference to above-mentioned attached drawing.
Specific embodiment
Fig. 1-Fig. 2 is referred to, the utility model embodiment provides a kind of electric tool, including interface module 110, boosting mould
Block 120, energy-storage module 200 and load 300, the interface module 110, boost module 120, energy-storage module 200 and load 300
Electrical connection.
The energy-storage module 200, for powering for load 300, the energy-storage module 200 includes battery, described
Cell voltage is more than or equal to 7V, and the battery is rechargeable battery, specifically, the rechargeable battery includes lead acid storage battery
Pond, lithium battery or Ni-MH battery.The battery includes multiple single batteries, and multiple single batteries connect to form battery pack, excellent
Choosing, when the single battery is monomer lead acid storage battery, the battery pack includes at least four monomer lead acid storage battery
Pond, when the single battery is single lithium battery, the battery pack includes at least two single lithium battery, when described
When single battery is monomer Ni-MH battery, the battery pack includes at least six monomer Ni-MH battery.
The interface module 110 accesses external power supply or external power supply and charges for energy-storage module 200 for passing through, institute
The external power supply stated includes but not limited to mobile power, other powering devices, as computer, UPS are also feasible.The interface
Module 110 is USB interface, and the interface module 110 is electrically connected for external power supply by the interface with boost module 120,
So that boost module 120 is such as worked as to being that energy-storage module 200 charges after the current boost of the 5V voltages inputted by USB interface
When cell voltage is 7V, it could be that battery charges that the charging voltage, which should be greater than 7V,.
It should be understood that the boost module 120 includes booster circuit, the booster circuit is arranged in circuit board
On, it is on circuit board that the interface module 110, which can also be set,.
Preferably, the booster circuit is boost booster circuits.
Further, in order to make booster circuit export electric current it is more stable, it is preferred that the boost module 120 also wraps
Include regulator circuit and filter circuit.Please also refer to Fig. 2, Fig. 2 is a kind of 120 circuit diagram of boost module provided in this embodiment,
The 5V electric currents inputted by USB interface, after the regulator circuit and filter circuit of C1, C2 and L1, by boost converter
For PL7512 after pulse wave width modulation (PWM), output is more than or equal to the electric current of 7V voltages, to charge for battery, in the boosting mould
Output voltage is 12V, 1.5A in block 120.
Further, when the electric tool can be charged by external power supply for energy-storage module 200, described is external
Power supply includes alternating current, and the alternating current refers to industrial-frequency alternating current, and usually the line voltage and frequency are 220V/50Hz, certainly
Other common alternating currents are also feasible, industrial-frequency alternating current, the 110V/ of industrial-frequency alternating current, 110V/60Hz such as 220V/60Hz
Industrial-frequency alternating current of 50Hz etc., the external power supply can also be other low-tension supplies certainly.When the external power supply is
During alternating current, the electric tool further includes voltage reduction module 140 and rectification module 130, and the industrial-frequency alternating current of alternating current is converted
To be suitble to the low-voltage DC that boost module 120 accesses.
Please also refer to Fig. 4, the voltage reduction module 140 described in the present embodiment includes a reduction voltage circuit, the decompression
Circuit includes a transformer, and for being 5V voltages by alternating current decompression, the rectification module 130 includes a rectification circuit, described
Rectification circuit for bridge rectifier, certain half-wave rectifying circuit is also feasible.
Further, the voltage reduction module 140 further includes an attachment device, is electrically connected for passing through attachment device with city
It connects, the attachment device includes plug or socket.
Preferably, the voltage reduction module 140 is connected with rectification module 130, the voltage reduction module 140 and rectification module
130 is in parallel with USB interface on the whole, so that electric tool is optionally using alternating current or USB interface access external power supply.
Further, the electric tool further includes overshoot protection module, and the overshoot protection module includes overshoot
Protect circuit.
The load 300 includes motor.
In addition, those skilled in the art can also do other variations in the utility model spirit, certainly, these are according to this
The variation that utility model spirit is done, all should be within the scope of the utility model be claimed.
Claims (9)
1. a kind of electric tool, interface module, boost module, energy-storage module and load including electrical connection, which is characterized in that institute
The interface module stated includes USB interface, and the energy-storage module includes battery, and the cell voltage is more than 7V, the liter
Die block includes booster circuit.
2. electric tool as described in claim 1, which is characterized in that the battery is rechargeable battery, and described fills
Battery is lead-acid accumulator, one kind in lithium battery, Ni-MH battery.
3. electric tool as claimed in claim 2, which is characterized in that the battery includes multiple single batteries, Duo Gedan
Body battery connects to form battery pack, and when the single battery is monomer lead acid storage battery, the battery pack includes at least 4
A monomer lead acid storage battery, when the single battery is single lithium battery, the battery pack includes at least two monomer lithium
Battery, when the single battery is monomer Ni-MH battery, the battery pack includes at least six monomer Ni-MH battery.
4. electric tool as claimed in claim 2, which is characterized in that the booster circuit is boost booster circuits.
5. electric tool as claimed in claim 4, which is characterized in that the boost module further includes regulator circuit and filtering
Circuit.
6. electric tool as claimed in claim 2, which is characterized in that the electric tool further includes voltage reduction module and rectification
Module, the voltage reduction module include reduction voltage circuit, and the reduction voltage circuit includes transformer, and the rectification module includes whole
Current circuit, the rectification circuit are bridge rectifier.
7. electric tool as claimed in claim 6, which is characterized in that the voltage reduction module further includes attachment device, described
Attachment device include plug or socket.
8. electric tool as claimed in claim 6, which is characterized in that the voltage reduction module is connected with rectification module, described
Rectification module it is in parallel with USB interface.
9. electric tool as described in claim 1, which is characterized in that the load includes motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431380.XU CN207459777U (en) | 2017-11-01 | 2017-11-01 | Electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431380.XU CN207459777U (en) | 2017-11-01 | 2017-11-01 | Electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207459777U true CN207459777U (en) | 2018-06-05 |
Family
ID=62253025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721431380.XU Expired - Fee Related CN207459777U (en) | 2017-11-01 | 2017-11-01 | Electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207459777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208351A1 (en) * | 2020-04-16 | 2021-10-21 | 苏州科瓴精密机械科技有限公司 | Gasoline engine battery pack, electric starting gasoline engine and gardening tool |
-
2017
- 2017-11-01 CN CN201721431380.XU patent/CN207459777U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208351A1 (en) * | 2020-04-16 | 2021-10-21 | 苏州科瓴精密机械科技有限公司 | Gasoline engine battery pack, electric starting gasoline engine and gardening tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 |