CN204103777U - A kind of power supply change-over device for battery-driven electric instrument - Google Patents
A kind of power supply change-over device for battery-driven electric instrument Download PDFInfo
- Publication number
- CN204103777U CN204103777U CN201420425458.7U CN201420425458U CN204103777U CN 204103777 U CN204103777 U CN 204103777U CN 201420425458 U CN201420425458 U CN 201420425458U CN 204103777 U CN204103777 U CN 204103777U
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- Prior art keywords
- circuit
- battery
- power supply
- over device
- supply change
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- Expired - Fee Related
Links
- 238000013021 overheating Methods 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000005955 Ferric phosphate Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a kind of power supply change-over device for battery-driven electric instrument, it has the housing of the original battery outward appearance of similar electric tool, housing overhead surface has electric current both positive and negative polarity contact, surface of shell is provided with an attaching plug with extended line or the attaching plug without extended line, enclosure interior is provided with the input power protective circuit of connecting successively, transformer, rectification circuit, voltage stabilizing circuit and output short-circuit overheating protection circuit, in the middle of the battery case this device being put into electric tool, plug is connected the power supply that namely can be electric tool and provide stable with commercial power socket, increase the operating efficiency of engineering staff, reduce use cost, decrease the pollution to environment.
Description
Technical field
The present invention relates to power technique fields, and relate to a kind of power supply change-over device for battery-driven electric instrument more specifically.
Background technology
There are the battery-driven hand-held electric appliance of numerous needs of all kinds and electric tool in the market.Although along with the development of battery technology, the discharge and recharge technology of battery is more and more intelligent, and the life-span of rechargeable battery is more and more higher, and the charging interval is shorter and shorter; Ferric phosphate lithium cell, the material that graphene battery etc. are new is widely used gradually.But, adopt battery or rechargeable battery to drive electric tool still to have a series of problem: 1. battery capacity and power still have larger restriction, cannot provide high-power electric appliance long job requirement; 2. the charging interval is oversize, and the rechargeable battery charging interval of common 1000 milliamperes can reach more than 6 hours, although instant lithium battery can damage larger to battery life by fast charging and discharging; 3. battery is not long, common rechargeable batteries discharge and recharge reaches about 800 ~ 1000 times batteries and namely reaches useful life, major part battery life terminated greatly in 2 to 3 years, even if new battery also can damage and cannot use for about 3 years when not using completely, add the cost that user uses; 4. environmental pollution, produces and abandons the impact of battery environmental pollution larger.
Utility model content
For solving the problems of the technologies described above, it is the power supply change-over device that electric tool is powered that the utility model provides a kind of alternative conventional batteries.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of power supply change-over device for battery-driven electric instrument, comprise housing, housing is provided with one with the attaching plug of extended line, enclosure interior is provided with the input power protective circuit of connecting successively, transformer, rectification circuit, voltage stabilizing circuit and output short-circuit overheating protection circuit, the output of described attaching plug is connected to input civil power with input power protective circuit, civil power after power protecting circuit successively through transformer and rectification circuit process, the High Level AC Voltage that civil power inputs is converted to low-voltage DC, voltage stabilizing circuit carries out voltage stabilizing subsequently, output short-circuit overheating protection circuit exports both positive and negative polarity with case top with the electric current of bottom and is connected.
Further, described housing is the cavity body of an employing plastic material.
Further, described surface of shell attaching plug is connected with power extending line
Further, also comprise a logic control element, be in parallel with input power protective circuit, transformer, rectification circuit, voltage stabilizing circuit and output short-circuit overheating protection circuit respectively, monitor the running status of each circuit.
Further, described logic control element is also connected with a display unit.
Further, be also provided with a reset button on described housing, described reset button andlogic control unit is connected.
Further, also comprise a LED display lamp, described LED display lamp andlogic control unit is connected.
The beneficial effect that the present invention has:
1. increase the operating efficiency of engineering staff, will electric tool be made because of dead battery to quit work.
2. engineering staff is without the need to carrying about standby battery in the middle of work, decreases battery purchase cost.
3. considerably increase with the useful life of battery-driven electric tool, avoid because battery or charger damage, commercially cannot buy substitute and the idle situation of the electric tool that causes.
4. environmental protection more compared with battery, useful life is longer, direct reduction instrument use cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is outward appearance front view of the present utility model;
Fig. 2 is the circuit system figure of the utility model embodiment one;
Fig. 3 is the circuit system figure of the utility model embodiment two.
Reference numeral
Housing 10, positive pole 12, negative pole 13, power supply extension lead 14, display screen 15, plug 16, LED display lamp 17, mask 18, reset button 19, power protecting circuit 11a, transformer 11b, rectification circuit 11c, voltage stabilizing circuit 11d, output short-circuit overheating protection circuit 11e, logic control element 11f, handheld tool 20, battery interface 21.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Be illustrated in figure 1 the preferred embodiment of a kind of power supply change-over device for battery-driven electric instrument of the utility model, comprise the housing 10 of the standard cell outward appearance adopting battery-driven electric instrument, housing adopts plastic material, and inside is cavity structure.Housing 10 top is provided with positive pole 12 and the negative pole 13 of power supply output.Housing 10 is also provided with power supply extension lead 14; one end of power lead 14 is connected with the input power protective circuit 11a of housing 10 inside through housing 10; the other end attachment plug 16 of power lead 14, power lead 14 is connected by mask 15 with housing 10.Casing lateral surfaces arranges LED display lamp 17.
As shown in Figure 2, housing 10 inside is provided with the input power protective circuit 11a connected successively, transformer 11b, rectification circuit 11c, voltage stabilizing circuit 11d and output short-circuit overheating protection circuit 11e.The output of power lead 14 is connected with input power protective circuit 11a, the surge reaction of input power protective circuit 11a in order to prevent the moment of plant-grid connection from producing.Input power protective circuit 11a also connects the outer surface that LED display lamp 17, LED display lamp 17 is installed on housing 10 side, and as civil power input power protective circuit 11a, LED display lamp 17 is lighted with display working condition.The high-voltage alternating that civil power inputs is powered by transformer 11b and rectification circuit 11c, and be converted into can for the low-voltage DC of electric tool; voltage stabilizing circuit 11d ensures the stability of DC output voltage; output short-circuit overheating protection circuit 11e provide overtemperature protection and short-circuit protection to equipment; when there is short circuit or overheating conditions in equipment, the input of output short-circuit overheating protection circuit 11e deenergization.Output short-circuit overheating protection circuit 11e is connected with negative pole 13 with the power supply output cathode 12 on housing, such the utility model namely complete High Level AC Voltage is converted into low-voltage DC and the stable process exported with the use of alternative conventional batteries.
As shown in Figure 3 as another preferred embodiment; the utility model adopts logic control element 11f as control core; respectively with input power protective circuit 11a, transformer 11b, rectification circuit 11c, voltage stabilizing circuit 11d are connected with output short-circuit overheating protection circuit 11e.The alternating voltage of logic control element 11f Real-time Collection input and the direct voltage through Transformer Rectifier.Logic control element 11f is connected with LCD display 23, and LCD display is installed on surface of shell, and LCD display 15 shows input voltage and output voltage.As input power protective circuit 11a or the protection of output short-circuit overheating protection circuit 11e start-up circuit, logic control element 11f sends signal to show guard mode to LCD display 15.When overheated or short-circuit state occur the utility model, user can use reset button 19 to reset after circuitry cuts, makes the utility model restart work.；
The utility model only needs to put into when using in the middle of the battery case 21 of electric hand tool 20, plug is connected the power supply that namely can be electric tool and provide stable with commercial power socket.The utility model instead of conventional batteries and drives electric tool, increases the operating efficiency of engineering staff, will electric tool be made because of dead battery to quit work; Engineering staff without the need to carrying about standby battery, decreases the use cost of electric tool in the middle of work; Avoid because battery or charger damage, commercially cannot buy substitute and the idle situation of the electric tool that causes; Environmental protection more compared with common batteries, useful life is longer, does not have heavy metal pollution.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. the power supply change-over device for battery-driven electric instrument, it is characterized in that, comprise housing, case top is provided with electric current and exports both positive and negative polarity, surface of shell is provided with attaching plug, enclosure interior is provided with the input power protective circuit of connecting successively, transformer, rectification circuit, voltage stabilizing circuit and output short-circuit overheating protection circuit, the output of described attaching plug is connected to input civil power with input power protective circuit, civil power after power protecting circuit successively through transformer and rectification circuit process, the High Level AC Voltage that civil power inputs is converted to low-voltage DC, voltage stabilizing circuit carries out voltage stabilizing subsequently, output short-circuit overheating protection circuit and the electric current on housing export both positive and negative polarity and are connected.
2. a kind of power supply change-over device for battery-driven electric instrument as claimed in claim 1, it is characterized in that, described housing is the cavity body of an employing plastic material.
3. a kind of power supply change-over device for battery-driven electric instrument as claimed in claim 2, it is characterized in that, surface of shell attaching plug is connected with power extending line.
4. a kind of power supply change-over device for battery-driven electric instrument is characterized in that as claimed in claim 3; also comprise a logic control element; be in parallel with input power protective circuit, transformer, rectification circuit, voltage stabilizing circuit and output short-circuit overheating protection circuit respectively, monitor the running status of each circuit.
5. a kind of power supply change-over device for battery-driven electric instrument as claimed in claim 4, it is characterized in that, described logic control element is also connected with a display unit.
6. a kind of power supply change-over device for battery-driven electric instrument as claimed in claim 5, it is characterized in that, be also provided with a reset button on described housing, described reset button andlogic control unit is connected.
7. a kind of power supply change-over device for battery-driven electric instrument as claimed in claim 6, it is characterized in that, also comprise a LED display lamp, described LED display lamp andlogic control unit is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420425458.7U CN204103777U (en) | 2014-07-30 | 2014-07-30 | A kind of power supply change-over device for battery-driven electric instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420425458.7U CN204103777U (en) | 2014-07-30 | 2014-07-30 | A kind of power supply change-over device for battery-driven electric instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204103777U true CN204103777U (en) | 2015-01-14 |
Family
ID=52272177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420425458.7U Expired - Fee Related CN204103777U (en) | 2014-07-30 | 2014-07-30 | A kind of power supply change-over device for battery-driven electric instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204103777U (en) |
-
2014
- 2014-07-30 CN CN201420425458.7U patent/CN204103777U/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 | ||
| 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: 20150114 |