CN206323194U - A kind of chargeable LED desk lamp - Google Patents
A kind of chargeable LED desk lamp Download PDFInfo
- Publication number
- CN206323194U CN206323194U CN201621468653.3U CN201621468653U CN206323194U CN 206323194 U CN206323194 U CN 206323194U CN 201621468653 U CN201621468653 U CN 201621468653U CN 206323194 U CN206323194 U CN 206323194U
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- CN
- China
- Prior art keywords
- battery
- electronic switch
- commutation diode
- circuit
- chip microcomputer
- 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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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model provides a kind of chargeable LED desk lamp, including LED, step-down transformer T, battery E, battery charger, battery discharging circuit, electric quantity detecting circuit, mains-supplied circuit, control circuit；Control circuit to receive the working condition electric signal from civil power and battery, and control signal is sent to automatic transfer switch.In the case of plug plug-in, select mains-supplied circuit, if now electric quantity detecting circuit monitors that battery electric quantity is not enough, civil power is connected by battery charger, control circuit and battery, civil power charges for battery, electric quantity detecting circuit monitors that battery electric quantity is full, and control circuit disconnects the connection of civil power and battery.When municipal power failure, control automatic transfer switch is connected with battery, and battery provides operating voltage for power circuit, and power circuit provides operating voltage for LED.The utility model is simple and practical, energy-conservation, chargeable plug-in are dual-purpose, and with electricity prompting function, it is easy to use.
Description
Technical field
The utility model is related to desk lamp technical field, more particularly to a kind of chargeable LED desk lamp.
Background technology
Existing desk lamp product, although have rechargeable type, but each of which has the disadvantages that：1st, incandescent lamp desk lamp consumes
Energy is more, heating is fast；2nd, LED desk lamp capable of charging is unusable in charging, be unable to plug-in uses, in-convenience in use；3rd, battery
Put when measuring low without prompting, can only be judged according to intensity of light, user can not charge for it in time, inconvenient for use.
Utility model content
In order to solve desk lamp product not energy-conservation, charging when it is unusable, reminded without electricity the shortcomings of, the utility model is carried
For a kind of chargeable LED desk lamp.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of chargeable LED desk lamp, including LED, step-down transformer T, battery E, battery charger, battery discharge electricity
Road, electric quantity detecting circuit, mains-supplied circuit, control circuit；
The battery charger includes commutation diode VD1, VD2, VD3, VD4, inductance L1, electronic switch S3；
The battery discharging circuit includes electronic switch S5, digital regulation resistance R；
The electric quantity detecting circuit includes voltage detection module V1, voltage detection module V2；
The mains-supplied circuit includes commutation diode VD5, VD6, VD7, VD8, inductance L2, electronic switch S1；
The control circuit includes single-chip microcomputer；
Step-down transformer T secondary sides one end connection commutation diode VD1 positive poles, commutation diode VD3 negative poles, downconverter
Device T secondary sides other end connection commutation diode VD2 positive poles, commutation diode VD4 negative poles, commutation diode VD1 and VD2 negative pole
Battery E positive poles are connected to by inductance L1, commutation diode VD3, VD4 positive pole pass through electronic switch S3 connection battery E negative poles, electricity
Sub switch S3 control end connection single-chip microcomputer pin a1；
Step-down transformer T secondary sides one end passes through electronic switch S1 connection commutation diode VD5 positive poles, commutation diode
VD7 negative poles, electronic switch S1 control ends connection single-chip microcomputer pin a4, step-down transformer T secondary sides other end connection rectification two pole
Pipe VD6 positive poles, commutation diode VD8 negative poles, commutation diode VD5 and VD6 negative pole pass through inductance L2, digital regulation resistance R connections
To LED positive pole, commutation diode VD7 and VD8 positive pole is connected to LED negative pole；
Battery E positive poles are connected to LED positive pole by electronic switch S5, digital regulation resistance R, and battery E negative poles are connected to LED
Lamp negative pole, electronic switch S5 control ends connection single-chip microcomputer pin a6；
Digital regulation resistance R control end is connected to single-chip microcomputer pin a8；
Voltage detection module V1 inputs connection step-down transformer T secondary sides two ends, output end connection single-chip microcomputer pin a3；
Voltage detection module V2 inputs connection battery E two ends, output end connection single-chip microcomputer pin a7.
Further, electronic switch S3 parallel connection electronic switch S2, the electronic switch S2 series LED 1, the LED1 positive poles connect
Battery E negative poles are connect, electronic switch S2, S3 control end connect single-chip microcomputer pin a2, a1 respectively.
Further, electronic switch S5 parallel connection electronic switch S4, the electronic switch S4 series LED 2, the LED2 positive poles connect
Battery E positive poles are connect, electronic switch S4, S5 control end connect single-chip microcomputer pin a5, a6 respectively.
The beneficial effects of the utility model are that energy-conservation, chargeable plug-in are dual-purpose, and with electricity prompting function, user
Just.
Brief description of the drawings
Fig. 1 is a kind of control structure schematic diagram of embodiment of the utility model, and thin arrow represents that energy is flowed in figure, slightly
Arrow represents that signal is flowed to.
Fig. 2 is the control logic schematic diagram of each functional module of the utility model；
Fig. 3 is a kind of circuit topology figure of embodiment of the utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
A kind of chargeable LED desk lamp as shown in Figure 1, including LED, step-down transformer T, battery E, battery charger,
Battery discharging circuit, electric quantity detecting circuit, mains-supplied circuit, control circuit；
The AC power that attaching plug is connected is depressured by step-down transformer T, and battery E is rechargeable battery, electricity inspection
Slowdown monitoring circuit is used for the working condition for monitoring civil power and battery, and the electric signal of working condition is sent to the monolithic for controlling circuit
Machine.
Fig. 2 illustrates the control structure of each circuit module, signal, energy flow direction.
Control circuit to receive the working condition electric signal from civil power and battery, and control letter is sent to automatic transfer switch
Number.In the case of plug plug-in, mains-supplied circuit is selected, if now electric quantity detecting circuit monitors that battery electric quantity is not enough, civil power
Connected by battery charger, control circuit and battery, civil power charges for battery, electric quantity detecting circuit monitors battery electric quantity
Full, control circuit disconnects the connection of civil power and battery.When municipal power failure, control automatic transfer switch is connected with battery, electricity
Pond provides operating voltage for power circuit, and power circuit provides operating voltage for LED lamps.
Before electric quantity detecting circuit is not judged, each circuit disconnects inside acquiescence desk lamp, i.e., each circuit inside desk lamp
Default setting is set to disconnect.
The input voltage that electric quantity detecting circuit detects plug is judged as plug plug-in more than or equal to 0.1V, conversely, being
Plug does not have plug-in；The voltage that electric quantity detecting circuit detects battery is judged as battery more than or equal to the 80% of its rated voltage
Electricity is sufficient, conversely, not enough for battery E battery electric quantities.
Above electric quantity detecting circuit, switching switch can be realized by mcu programming combination electronic switch or relay.Monolithic
Machine also by controlling mains-supplied circuit, the electric current with battery discharging circuit, realizes the regulation to LED luminosity.
The electricity alert circuit of the light emitting diode composition of different colours can also be increased in above-described embodiment.
Circuit topology figure as shown in Figure 3, the civil power that AC is connected by attaching plug（Single-phase 220V alternating currents）, by becoming
Powered than suitable step-down transformer T to circuit other parts, r, E are battery equivalent model, digital regulation resistance R's act as tune
Current, LED is the lighting device of desk lamp.
Battery charger includes commutation diode VD1, VD2, VD3, VD4, inductance L1, electronic switch S3；Diode
VD1, VD2, VD3, VD4 constitute one group of individual event bridge-type can not control rectifying circuit, its step-down transformer T secondary sides alternating voltage turn
Direct current is changed to power to battery charger, L1 act as maintain DC current it is constant.
Battery discharging circuit includes electronic switch S5, digital regulation resistance R.
Electric quantity detecting circuit includes voltage detection module V1, voltage detection module V2.
Mains-supplied circuit includes commutation diode VD5, VD6, VD7, VD8, inductance L2, electronic switch S1；Wherein VD5,
VD6, VD7, VD8, constituting another group of individual event bridge-type can not control rectifying circuit, its step-down transformer T secondary sides alternating voltage turn
It is changed to direct current directly to power to LED, the L2 same L1 of effect.
Controlling circuit includes single-chip microcomputer, is the core of whole circuit, and its pin a1, a2, a4, a5, a6, a8 ends are output,
Electronic switch S2, S3, S1, S4, S5 break-make and digital regulation resistance R resistance are controlled respectively, and pin a3, a7 ends are input, point
Not Jian Ce V1, V2 point voltage.
Step-down transformer T secondary sides one end connection commutation diode VD1 positive poles, commutation diode VD3 negative poles, downconverter
Device T secondary sides other end connection commutation diode VD2 positive poles, commutation diode VD4 negative poles, commutation diode VD1 and VD2 negative pole
Battery E positive poles are connected to by inductance L1, commutation diode VD3, VD4 positive pole pass through electronic switch S3 connection battery E negative poles, electricity
Sub switch S3 control end connection single-chip microcomputer pin a1；
Step-down transformer T secondary sides one end passes through electronic switch S1 connection commutation diode VD5 positive poles, commutation diode
VD7 negative poles, electronic switch S1 control ends connection single-chip microcomputer pin a4, step-down transformer T secondary sides other end connection rectification two pole
Pipe VD6 positive poles, commutation diode VD8 negative poles, commutation diode VD5 and VD6 negative pole pass through inductance L2, digital regulation resistance R connections
To LED positive pole, commutation diode VD7 and VD8 positive pole is connected to LED negative pole；
Battery E positive poles are connected to LED positive pole by electronic switch S5, digital regulation resistance R, and battery E negative poles are connected to LED
Lamp negative pole, electronic switch S5 control ends connection single-chip microcomputer pin a6；
Digital regulation resistance R control end is connected to single-chip microcomputer pin a8；
Voltage detection module V1 inputs connection step-down transformer T secondary sides two ends, output end connection single-chip microcomputer pin a3；
Voltage detection module V2 inputs connection battery E two ends, output end connection single-chip microcomputer pin a7.
In foregoing circuit, it can also increase electricity alert circuit, electronic switch S3 parallel connection electronic switches S2, electronic switch S2
Series connection LED 1, the positive pole of LED 1 connection battery E negative poles, electronic switch S2, S3 control end point
Lian Jie not single-chip microcomputer pin a2, a1.
Electronic switch S5 parallel connection electronic switch S4, the electronic switch S4 series connection LEDs 2, the light emitting diode
LED2 positive poles connect battery E positive poles, and electronic switch S4, S5 control end connect single-chip microcomputer pin a5, a6 respectively.
The fluorescence of LED 1 is green, and the fluorescence of LED 2 is red.
By realizing the control to circuit to mcu programming, the working method of circuit should be：V1 voltages are more than or equal to
The rated voltage 80% of 0.1V and V2 more than or equal to E, S1, S2 closure, S3, S4, S5 disconnect, and V1 voltages are more than or equal to 0.1V and V2
Rated voltage 80% less than E, S1, S3 closure, S2, S4, S5 disconnect, and V1 voltages are less than 0.1V and V2 is more than or equal to E specified electricity
80%, S5 closures are pressed, S1, S2, S3, S4 disconnect, V1 voltages are less than 0.1V and rated voltages 80% of the V2 less than E, S4 closures, S1,
S2, S3, S5 disconnect.Control to flow through the size of current of LED by changing R resistance, so as to adjust its brightness.
Method or software involved by the utility model are prior art, are not belonging in innovation of the present utility model
Hold, the utility model is only improved and innovated to hardware.
The above is most preferred embodiment of the present utility model, not makees any formal limitation to the utility model,
Every any simple modification, equivalent variations and modification made according to technical spirit of the present utility model to above example, still
Fall into protection domain of the present utility model.
Claims (3)
1. a kind of chargeable LED desk lamp, including LED, step-down transformer T, battery E, battery charger, battery discharge electricity
Road, electric quantity detecting circuit, mains-supplied circuit, control circuit, it is characterised in that：
The battery charger includes commutation diode VD1, VD2, VD3, VD4, inductance L1, electronic switch S3；
The battery discharging circuit includes electronic switch S5, digital regulation resistance R；
The electric quantity detecting circuit includes voltage detection module V1, voltage detection module V2；
The mains-supplied circuit includes commutation diode VD5, VD6, VD7, VD8, inductance L2, electronic switch S1；
The control circuit includes single-chip microcomputer；
Step-down transformer T secondary sides one end connection commutation diode VD1 positive poles, commutation diode VD3 negative poles, step-down transformer T
Secondary side other end connection commutation diode VD2 positive poles, commutation diode VD4 negative poles, commutation diode VD1 and VD2 negative pole lead to
Cross inductance L1 and be connected to battery E positive poles, commutation diode VD3, VD4 positive pole pass through electronic switch S3 connection battery E negative poles, electronics
Switch S3 control end connection single-chip microcomputer pin a1；
Born by electronic switch S1 connection commutation diode VD5 positive poles, commutation diode VD7 step-down transformer T secondary sides one end
Pole, electronic switch S1 control ends connection single-chip microcomputer pin a4, step-down transformer T secondary sides other end connection commutation diode VD6
Positive pole, commutation diode VD8 negative poles, commutation diode VD5 and VD6 negative pole are connected to LED by inductance L2, digital regulation resistance R
Lamp positive pole, commutation diode VD7 and VD8 positive pole is connected to LED negative pole；
Battery E positive poles are connected to LED positive pole by electronic switch S5, digital regulation resistance R, and battery E negative poles are connected to LED and born
Pole, electronic switch S5 control ends connection single-chip microcomputer pin a6；
Digital regulation resistance R control end is connected to single-chip microcomputer pin a8；
Voltage detection module V1 inputs connection step-down transformer T secondary sides two ends, output end connection single-chip microcomputer pin a3；
Voltage detection module V2 inputs connection battery E two ends, output end connection single-chip microcomputer pin a7.
2. a kind of chargeable LED desk lamp according to claim 1, it is characterised in that：Electronic switch S3 electronics in parallel
Switch S2, electronic switch S2 series LEDs 1, LED1 positive poles connection battery E negative poles, electronic switch S2, S3 control end difference
Connect single-chip microcomputer pin a2, a1.
3. a kind of chargeable LED desk lamp according to claim 1, it is characterised in that：Electronic switch S5 electronics in parallel
Switch S4, electronic switch S4 series LEDs 2, LED2 positive poles connection battery E positive poles, electronic switch S4, S5 control end difference
Connect single-chip microcomputer pin a5, a6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621468653.3U CN206323194U (en) | 2016-12-29 | 2016-12-29 | A kind of chargeable LED desk lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621468653.3U CN206323194U (en) | 2016-12-29 | 2016-12-29 | A kind of chargeable LED desk lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206323194U true CN206323194U (en) | 2017-07-11 |
Family
ID=59261290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621468653.3U Expired - Fee Related CN206323194U (en) | 2016-12-29 | 2016-12-29 | A kind of chargeable LED desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206323194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109005619A (en) * | 2018-07-19 | 2018-12-14 | 上海裕芯电子科技有限公司 | A kind of LED drive chip with management of charging and discharging function |
-
2016
- 2016-12-29 CN CN201621468653.3U patent/CN206323194U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109005619A (en) * | 2018-07-19 | 2018-12-14 | 上海裕芯电子科技有限公司 | A kind of LED drive chip with management of charging and discharging function |
| CN109005619B (en) * | 2018-07-19 | 2021-01-29 | 上海裕芯电子科技有限公司 | LED driving chip with charging and discharging management function |
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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 |
Granted publication date: 20170711 Termination date: 20171229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |