CN204104181U - Plate carries constant current surface mount type LED fluorescent lamp - Google Patents
Plate carries constant current surface mount type LED fluorescent lamp Download PDFInfo
- Publication number
- CN204104181U CN204104181U CN201420490353.XU CN201420490353U CN204104181U CN 204104181 U CN204104181 U CN 204104181U CN 201420490353 U CN201420490353 U CN 201420490353U CN 204104181 U CN204104181 U CN 204104181U
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- resistance
- diode
- electric capacity
- led
- constant current
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of plate and carry constant current surface mount type LED fluorescent lamp, comprise fuse, pressurizer, full-bridge rectifier, first electric capacity, second electric capacity, first resistance, second resistance, 3rd resistance, 4th resistance, triode, controllable silicon, first diode, second diode, 3rd diode and LED group, compared with prior art, the utility model selects SMD triode MJD13003 to provide the device of constant current for LED circuit, peripheral cell is few, circuit is made to have simply, economical, the feature such as reliable, SMD triode constant current within the specific limits, with negative temperature coefficient, under extreme voltage and working temperature, protect LED to affect from thermal runaway.Operating efficiency is high can reach more than 98%, and power supply and LED lamp bead are all welded on same aluminium base, easy for installation, cost-saving, failure rate is low, energy-conserving and environment-protective.
Description
Technical field
The utility model relates to a kind of LED illumination lamp, particularly relates to a kind of plate and carries constant current surface mount type LED fluorescent lamp.
Background technology
Current traditional LED daylight lamp, adopt external power supply to control, electronic devices and components are many, and circuit design is complicated, utilizes Switching Power Supply principle, and the loss of circuit multiple conversions electronic devices and components is large, and efficiency is low, not energy-conservation, install inconvenient.
Utility model content
The purpose of this utility model is just to provide a kind of plate to carry constant current surface mount type LED fluorescent lamp to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises fuse, pressurizer, full-bridge rectifier, first electric capacity, second electric capacity, first resistance, second resistance, 3rd resistance, 4th resistance, triode, controllable silicon, first diode, second diode, 3rd diode and LED group, described fuse is series on the live wire of AC power, two inputs of described full-bridge rectifier are connected with the two ends of AC power, the two ends of described pressurizer are connected with two inputs of described full-bridge rectifier respectively, the cathode output end of described full-bridge rectifier simultaneously with the positive pole of described first electric capacity, the negative pole of described 3rd diode, the first end of described second resistance is connected with the positive pole of described LED group, the cathode output end of described full-bridge rectifier simultaneously with the positive pole of described first diode, the negative pole of described second electric capacity, described silicon controlled positive pole is connected with the first end of described 4th resistance, the negative pole of described first electric capacity is connected with the negative pole of described first diode and the positive pole of described second diode simultaneously, the negative pole of described second diode is connected with the first end of described first resistance, second end of described first resistance is connected with the positive pole of described 3rd diode and the positive pole of described second electric capacity simultaneously, second end of described second resistance is connected with the first end of described 3rd resistance, second end of described 3rd resistance is connected with the base stage of described triode and described silicon controlled negative pole simultaneously, second end of described 4th resistance is connected with the base stage of described silicon controlled control end and described triode simultaneously, and the emitter of described triode is connected with the negative pole of described LED group.
Particularly, 170 LED that described LED group is connected afterwards by every two parallel connections form.
The beneficial effects of the utility model are:
The utility model is that a kind of plate carries constant current surface mount type LED fluorescent lamp; compared with prior art; the utility model selects SMD triode MJD13003 to provide the device of constant current for LED circuit; peripheral cell is few; the feature such as circuit is had simply, economic, reliable; SMD triode constant current within the specific limits, with negative temperature coefficient, protects LED to affect from thermal runaway under extreme voltage and working temperature.Operating efficiency is high can reach more than 98%, and power supply and LED lamp bead are all welded on same aluminium base, easy for installation, cost-saving, failure rate is low, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model;
Fig. 2 is external structure schematic diagram of the present utility model.
In figure: 1-power line, 2-LED lamp, 3-lamp outer box, 4-power connection.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises fuse Fu, pressurizer U1, full-bridge rectifier MB6S, first electric capacity C1, second electric capacity C2, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, triode Q, controllable silicon U2, first diode D1, second diode D2, the LED group that 3rd diode D3 and 170 LED of being connected afterwards by every two parallel connections form, fuse Fu is series on the live wire of AC power AC, two inputs of full-bridge rectifier MB6S are connected with the two ends of AC power AC, the two ends of pressurizer U1 are connected with two inputs of full-bridge rectifier MB6S respectively, the cathode output end of full-bridge rectifier MB6S simultaneously with the positive pole of the first electric capacity C1, the negative pole of the 3rd diode D3, the first end of the second resistance R2 is connected with the positive pole of LED group, the cathode output end of full-bridge rectifier MB6S simultaneously with the positive pole of the first diode D1, the negative pole of the second electric capacity C2, the positive pole of controllable silicon U2 is connected with the first end of the 4th resistance R4, the negative pole of the first electric capacity C1 is connected with the negative pole of the first diode D1 and the positive pole of the second diode D2 simultaneously, the negative pole of the second diode D2 is connected with the first end of the first resistance R1, second end of the first resistance R1 is connected with the positive pole of the 3rd diode D3 and the positive pole of the second electric capacity C2 simultaneously, second end of the second resistance R2 is connected with the first end of the 3rd resistance R3, second end of the 3rd resistance R3 is connected with the base stage of triode Q and the negative pole of controllable silicon U2 simultaneously, second end of the 4th resistance R4 is connected with the control end of controllable silicon Q and the base stage of triode Q simultaneously, and the emitter of triode Q is connected with the negative pole of LED group.
Component parameter of the present utility model is selected as shown in fig. 1; Triode Q adopts linear patch formula triode MJD13003, this triode Q constant current best results in Width funtion; Volume is little, only needs to ensure that the numerical value that input voltage deducts LED strip total voltage is no more than 60 volts (input subtracts the maximum voltage of output).Complicated and loaded down with trivial details constant-current source circuit can be substituted completely, be highly suitable for the LED lamp product that volume is little, have with low cost, the features such as structure is simple, the life-span is reliable.Can directly apply in 220 volts of ac power supply circuits, 220 volts of electric main inputs are after bridge rectifier, and periphery adds several capacitance-resistance, voltage stabilizing element.
LED group adopts model to be T8-1200-12W-LED fluorescent lamp, lamp pearl selects 2835 white lights, power: 0.1W/, 30ma, 24LM, lamp pearl connected mode 85 goes here and there 2 also, if lamp pearl full power operation can reach 17 watts, in order to extend lamp pearl useful life, improve light efficiency, regulate SMD triode sample resistance, change output current, make every lamp pearl operating current be 20ma, exporting gross power is 12 watts, every lamp pearl is just operated in 70% state of rated current like this, reaches the effect extending lamp pearl useful life and improve light efficiency.
Operation principle of the present utility model is as follows:
Choose the SMD electronic devices and components of high-quality high-quality according to Fig. 1, correctly be welded on aluminium base wiring board, whether have short circuit, open circuit phenomenon with universal instrument detection line plate, after testing result is normal, hot-line test well.Power acquisition linear constant current principle, complete SMD electronic devices and components, MB6S is bridge rectifier, and C1, C2, D1, D2, D3, R1 composition fills out paddy circuit, improves power factor, can more than 0.9 be reached, R2, R3, R4, U1, Q are linear constant current circuit, and LED1-LED170 is bonded LED lamp pearl 2835(power: every 0.1W, electric current: 30mA, light efficiency: 24LM/W).
In fig. 2, the plate made is carried constant current drive surface mount type LED fluorescent lamp in Fig. 1, multiple LED 2 be arranged in the outer box 3 of lamp, LED 2 is connected with the power connection 4 being arranged on outer box 3 two ends of lamp; Power connection 4 is connected with power line 1 to be connected with AC220V power supply.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof
.
Claims (2)
1. plate carries a constant current surface mount type LED fluorescent lamp, it is characterized in that: comprise fuse, pressurizer, full-bridge rectifier, first electric capacity, second electric capacity, first resistance, second resistance, 3rd resistance, 4th resistance, triode, controllable silicon, first diode, second diode, 3rd diode and LED group, described fuse is series on the live wire of AC power, two inputs of described full-bridge rectifier are connected with the two ends of AC power, the two ends of described pressurizer are connected with two inputs of described full-bridge rectifier respectively, the cathode output end of described full-bridge rectifier simultaneously with the positive pole of described first electric capacity, the negative pole of described 3rd diode, the first end of described second resistance is connected with the positive pole of described LED group, the cathode output end of described full-bridge rectifier simultaneously with the positive pole of described first diode, the negative pole of described second electric capacity, described silicon controlled positive pole is connected with the first end of described 4th resistance, the negative pole of described first electric capacity is connected with the negative pole of described first diode and the positive pole of described second diode simultaneously, the negative pole of described second diode is connected with the first end of described first resistance, second end of described first resistance is connected with the positive pole of described 3rd diode and the positive pole of described second electric capacity simultaneously, second end of described second resistance is connected with the first end of described 3rd resistance, second end of described 3rd resistance is connected with the base stage of described triode and described silicon controlled negative pole simultaneously, second end of described 4th resistance is connected with the base stage of described silicon controlled control end and described triode simultaneously, and the emitter of described triode is connected with the negative pole of described LED group.
2. plate according to claim 1 carries constant current surface mount type LED fluorescent lamp, it is characterized in that: 170 LED that described LED group is connected afterwards by every two parallel connections form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490353.XU CN204104181U (en) | 2014-08-28 | 2014-08-28 | Plate carries constant current surface mount type LED fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490353.XU CN204104181U (en) | 2014-08-28 | 2014-08-28 | Plate carries constant current surface mount type LED fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204104181U true CN204104181U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420490353.XU Expired - Fee Related CN204104181U (en) | 2014-08-28 | 2014-08-28 | Plate carries constant current surface mount type LED fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204104181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104185346A (en) * | 2014-08-28 | 2014-12-03 | 芜湖市神龙新能源科技有限公司 | Onboard constant-current surface mount device type LED fluorescent lamp |
-
2014
- 2014-08-28 CN CN201420490353.XU patent/CN204104181U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104185346A (en) * | 2014-08-28 | 2014-12-03 | 芜湖市神龙新能源科技有限公司 | Onboard constant-current surface mount device type LED fluorescent lamp |
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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 Termination date: 20180828 |