CN209731653U - A kind of voltage-dropping type LED light strip with USB joint - Google Patents
A kind of voltage-dropping type LED light strip with USB joint Download PDFInfo
- Publication number
- CN209731653U CN209731653U CN201920040433.8U CN201920040433U CN209731653U CN 209731653 U CN209731653 U CN 209731653U CN 201920040433 U CN201920040433 U CN 201920040433U CN 209731653 U CN209731653 U CN 209731653U
- Authority
- CN
- China
- Prior art keywords
- voltage
- usb plug
- power cord
- usb
- power line
- 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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Classifications
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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]
Abstract
The voltage-dropping type LED light strip with USB joint that the utility model discloses a kind of, including USB plug, the output end of the USB plug is connected with output power line, the input terminal of the USB plug is connected with input power cord, several groups LED load is arranged in parallel between the output power line and the input power cord, the output power line connect described USB plug one end with the input power cord and is provided with the voltage reduction module that voltage is reduced to 1V-2V.Beneficial effect is: by the way that voltage reduction module is arranged at the USB interface end of light bar, when powering to the LED load in light bar, make supply voltage closer to the standard configuration voltage of LED load, to improve the stability of LED load operation, it prolongs its service life, to extend the service life of light bar.
Description
Technical field
The utility model relates to LED light strip technical fields, and in particular to a kind of voltage-dropping type LED light strip with USB joint.
Background technique
USB power source line on the market at present, inside have four lines (wherein two be power supply line, in addition two be signal
Line), two power supply lines are usually used only in general charging and power supply.Existing USB direct power supply LED light strip is in use, make
It is powered with USB interface to LED load, since the standard configuration voltage of LED load connects piezoelectric voltage, power supply process lower than USB power source line
In will lead to LED load service life decaying or directly burn.Therefore, we design a kind of LED light strip of voltage-dropping type.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of voltage-dropping type LED with USB joint
Light bar, include can be by setting in power supply line for preferred technical solution in many technical solutions provided by the utility model
Dropping equipment is set, by reducing the voltage at LED load both ends, it is protected, the technologies such as the service life of light bar effect is extended
Fruit, elaboration as detailed below.
To achieve the above object, the utility model provides following technical scheme:
A kind of voltage-dropping type LED light strip with USB joint provided by the utility model, including USB plug, the USB plug
Output end be connected with output power line, the input terminal of the USB plug is connected with input power cord, the output power line with
Several groups LED load is arranged in parallel between the input power cord, the output power line is connect with the input power cord
Described USB plug one end is provided with the voltage reduction module that voltage is reduced to 1V-2V.
Preferably, the voltage reduction module be two 1N4007 diodes, and two diodes be connected on respectively it is described defeated
Power supply line and the input power cord are close to described USB plug one end out.
Preferably, the voltage reduction module is 7803 circuit of three-terminal voltage-stabilizing integrated, 7803 circuit of three-terminal voltage-stabilizing integrated
Input terminal and output end be connected in the output power line, and input terminal, close to the USB plug, 7,803 3 end is steady
It presses the ground terminal of integrated circuit to connect the input power cord and connects described USB plug one end.
Preferably, the voltage reduction module is the 1N4007 diode being connected in the output power line and is connected on institute
State the current-limiting resistance on input power cord.
Preferably, the voltage reduction module is the 1N4007 diode being connected in the output power line and is connected on institute
State the resettable fuse on input power cord.
To sum up, the utility model has the beneficial effects that: by the way that voltage reduction module is arranged at the USB interface end of light bar, right
When LED load in light bar is powered, make supply voltage closer to the standard configuration voltage of LED load, to improve LED load operation
Stability prolongs its service life, to extend the service life of light bar.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model first embodiment；
Fig. 2 is the structural schematic diagram of the utility model second embodiment；
Fig. 3 is the structural schematic diagram of the utility model 3rd embodiment.
The reference numerals are as follows:
1, USB plug；2, output power line；3, voltage reduction module；4, LED load；5, input power cord.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Embodiment 1, shown in Figure 1, the utility model provides a kind of voltage-dropping type LED light strip with USB joint, including
USB plug 1, the output end of USB plug 1 are connected with output power line 2, and the input terminal of USB plug 1 is connected with input power cord 5,
Several groups LED load 4, output power line 2 and input power cord 5 have been arranged in parallel between output power line 2 and input power cord 5
Connection 1 one end of USB plug is provided with the voltage reduction module 3 that voltage is reduced to 1V-2V；
Voltage reduction module 3 is two 1N4007 diodes, and two diodes are connected on output power line 2 and input electricity respectively
Source line 5 is 0.7V close to 1 one end of USB plug, the pressure drop of the PN junction of 1N4007 diode, and the whole pressure drop after series winding two is
1.4V removes the hindrance function of electric wire itself then the voltage exported again is 5V-1.4V=3.6V, finally falls in LED in parallel
The voltage for loading 4 both ends is 2.9V-3V.
Embodiment 2, shown in Figure 2, the utility model provides a kind of voltage-dropping type LED light strip with USB joint, including
USB plug 1, the output end of USB plug 1 are connected with output power line 2, and the input terminal of USB plug 1 is connected with input power cord 5,
Several groups LED load 4, output power line 2 and input power cord 5 have been arranged in parallel between output power line 2 and input power cord 5
Connection 1 one end of USB plug is provided with the voltage reduction module 3 that voltage is reduced to 1V-2V；
Voltage reduction module 3 is 7803 circuit of three-terminal voltage-stabilizing integrated, the input terminal and output end of 7803 circuit of three-terminal voltage-stabilizing integrated
It is connected in output power line 2, and input terminal connects input close to the ground terminal of 1,7803 circuit of three-terminal voltage-stabilizing integrated of USB plug
Power supply line 5 connects 1 one end of USB plug, and the output power line 2 of 7803 circuit of three-terminal voltage-stabilizing integrated two sides and input power cord 5
Between be provided with input filtering capacitor and output end filter capacitor, 7803 circuit of three-terminal voltage-stabilizing integrated can be steady by the voltage of output
It is scheduled on 3V, to guarantee that 4 both ends of LED load are the supply voltage of standard configuration.
Embodiment 3, shown in Figure 3, the utility model provides a kind of voltage-dropping type LED light strip with USB joint, including
USB plug 1, the output end of USB plug 1 are connected with output power line 2, and the input terminal of USB plug 1 is connected with input power cord 5,
Several groups LED load 4, output power line 2 and input power cord 5 have been arranged in parallel between output power line 2 and input power cord 5
Connection 1 one end of USB plug is provided with the voltage reduction module 3 that voltage is reduced to 1V-2V；
Voltage reduction module 3 is the 1N4007 diode being connected in output power line 2 and the limit being connected on input power cord 5
Leakage resistance, recoverable fuse can be used to replace for current-limiting resistance, by the pressure drop of 1N4007 diode, by the voltage drop of output
Low 0.7V, then by adjusting the impedance magnitude of current-limiting resistance and electric wire itself, by the voltage drop at 4 both ends of LED load down to 3V,
The standard configuration power supply needs of LED load 4 can be met.
By the way that voltage reduction module 3 is arranged at the USB interface end of light bar, when powering to the LED load 4 in light bar, make to power
The standard configuration voltage of voltage closer to LED load 4 prolongs its service life to improve the stability of the operation of LED load 4, thus
Extend the service life of light bar.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (5)
1. a kind of voltage-dropping type LED light strip with USB joint, it is characterised in that: including USB plug (1), the USB plug (1)
Output end is connected with output power line (2), and the input terminal of the USB plug (1) is connected with input power cord (5), the output
It has been arranged in parallel between power supply line (2) and the input power cord (5) several groups LED load (4), the output power line (2)
It connect the USB plug (1) one end with the input power cord (5) and is provided with the voltage reduction module (3) that voltage is reduced to 1V-2V.
2. a kind of voltage-dropping type LED light strip with USB joint according to claim 1, it is characterised in that: the voltage reduction module
It (3) is two 1N4007 diodes, and two diodes are connected on the output power line (2) and the input power cord respectively
(5) close to the USB plug (1) one end.
3. a kind of voltage-dropping type LED light strip with USB joint according to claim 1, it is characterised in that: the voltage reduction module
It (3) is 7803 circuit of three-terminal voltage-stabilizing integrated, the input terminal and output end of 7803 circuit of three-terminal voltage-stabilizing integrated are connected to described
In output power line (2), and input terminal, close to the USB plug (1), the ground terminal of 7803 circuit of three-terminal voltage-stabilizing integrated connects
It connects the input power cord (5) and connects described USB plug (1) one end.
4. a kind of voltage-dropping type LED light strip with USB joint according to claim 1, it is characterised in that: the voltage reduction module
It (3) is the 1N4007 diode being connected on the output power line (2) and the current limliting being connected on the input power cord (5)
Resistance.
5. a kind of voltage-dropping type LED light strip with USB joint according to claim 1, it is characterised in that: the voltage reduction module
(3) for the 1N4007 diode that is connected on the output power line (2) and be connected on the input power cord (5) can be extensive
Double insurance silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040433.8U CN209731653U (en) | 2019-01-10 | 2019-01-10 | A kind of voltage-dropping type LED light strip with USB joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040433.8U CN209731653U (en) | 2019-01-10 | 2019-01-10 | A kind of voltage-dropping type LED light strip with USB joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209731653U true CN209731653U (en) | 2019-12-03 |
Family
ID=68679594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920040433.8U Expired - Fee Related CN209731653U (en) | 2019-01-10 | 2019-01-10 | A kind of voltage-dropping type LED light strip with USB joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209731653U (en) |
-
2019
- 2019-01-10 CN CN201920040433.8U patent/CN209731653U/en not_active Expired - Fee Related
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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: 20191203 Termination date: 20210110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |