CN202475885U - Bidirectional constant-current circuit integrated module - Google Patents
Bidirectional constant-current circuit integrated module Download PDFInfo
- Publication number
- CN202475885U CN202475885U CN201220079861XU CN201220079861U CN202475885U CN 202475885 U CN202475885 U CN 202475885U CN 201220079861X U CN201220079861X U CN 201220079861XU CN 201220079861 U CN201220079861 U CN 201220079861U CN 202475885 U CN202475885 U CN 202475885U
- Authority
- CN
- China
- Prior art keywords
- constant
- resistance
- integrated circuit
- triode
- circuit
- 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
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a bidirectional constant-current circuit integrated module. The bidirectional constant-current circuit integrated module comprises two unidirectional constant-current integrated modules which are connected in series with each other, wherein each unidirectional constant-current integrated module comprises a resistor R, a constant-current bootstrapping sampling integrated circuit CK and a triode BG; emitting electrodes of the two triodes BG in the two unidirectional constant-current modules are connected with each other; a first end RA of the each resistor is connected with the collector of each triode BG, and the second end RB is connected with a first end CKA of each constant-current bootstrapping sampling integrated circuit CK; a second end CKB and a third end CKC of each constant-current bootstrapping sampling integrated circuit CK are respectively connected with the collector and the base of each triode BG; and a fourth end CKD and a fifth end CKE of each constant-current bootstrapping sampling integrated circuit CK are both connected with the emitter of the each triode BG. The bidirectional constant-current circuit integrated module provided by the utility model has the advantages of simple circuit structure, low manufacturing cost, high electric power conversion factor and the like, and the miniaturization is achieved easily.
Description
Technical field
The utility model relates to a kind of bidirectional constant circuit integrated module.
Background technology
Along with progress of science and technology, lighting develops into Halogen lamp LED, high-pressure sodium lamp, fluorescent lamp etc. from incandescent lamp, towards energy-saving and environmental protection, direction is not stopped paying out exhibition cheaply.In recent years the LED lighting that rises has advantages such as theoretical life-span length, energy-conserving and environment-protective, technical development space are big, and growth momentum is swift and violent.30W designs the brightness twice that brightness has surpassed the common energy-saving lamp tool of identical power consumption with interior low-power LED lamp, also reaches more than 5 times of common energy-saving lamp tool designed life.The LED light fixture is compared with incandescent lamp or electricity-saving lamp, is more energy-conservation.Market, hotel, hospital, library, underground parking, shop, road and construction landscape etc. are the places that emphasis uses the LED lighting.
In the existing LED light fixture; Usually adopt one-way constant flow driver module driving LED lamp; The general mode (as shown in Figure 5) that adopts a plurality of LED parallel connections or series connection is arranged on the dc output end of one-way constant flow driver module, and the setting of the cathode and anode directions that all LED lamps are is identical.This existing drive circuit; To form the low-voltage dc power supply rear through step-down, voltage stabilizing up to the alternating voltage of 110V or 220V earlier and can be LED working power is provided, have problems such as LED lamp, circuit structure complicacy and the cost that can only drive unidirectional setting are high, the miniaturization encapsulation difficulty is big.
Global Access mostly is the luminous DCLED of unidirectional direct current supply (direct-current LED) with common LED lamp pearl at present.This DCLED need offer the galvanic current source when working.Advocate employing LED illumination for saving the energy, each state is all at the various LED lightings of development.Owing to adopted low-voltage DC supply, make LED lighting production cost too high, can't popularize, driving power is made complicated fragile.Develop a kind of no driving power, the two-way LED lamp pearl that all can be luminous that can be operated under the AC power state is particularly important, and is significant to the universal use of promoting this new type light source for this reason.
The utility model content
The utility model is the weak point that exists in the above-mentioned prior art for avoiding, and a kind of bidirectional constant circuit integrated module is provided, to simplify led drive circuit and to reduce cost.
The utility model adopts following technical scheme for the technical solution problem.
Bidirectional constant circuit integrated module, its design feature be, comprises two one-way constant flow modules, and said two one-way constant flow modules are connected in series each other.
The design feature of the bidirectional constant circuit integrated module of the utility model also is:
Said one-way constant flow module comprises resistance R, constant current bootstrapping sampling integrated circuit CK and triode BG; The emitter of triode BG in two one-way constant flow modules is connected; The first end RA of said resistance is connected with the collector electrode of triode BG, and the second end RB of said resistance is connected with the first end CKA of said constant current bootstrapping sampling integrated circuit CK; The second end CKB of said constant current bootstrapping sampling integrated circuit CK is connected with the collector electrode of triode BG; The 3rd end CKC of said constant current bootstrapping sampling integrated circuit CK is connected with the base stage of triode BG, and the 4th end CKD of said constant current bootstrapping sampling integrated circuit CK all is connected with the emitter of triode BG with five terminal CKE; The collector and emitter of said triode BG is respectively as the positive terminal and the negative pole end of one-way constant flow module.
Said constant current bootstrapping sampling integrated circuit CK comprises resistance R 1～R5, diode D1～D2 and metal-oxide-semiconductor; Said resistance R 1, resistance R 3 and diode D1 are serially connected between the first end CKA and the 4th end CKD of constant current bootstrapping sampling integrated circuit CK successively, and the grid of said metal-oxide-semiconductor is connected between said resistance R 1 and the resistance R 3; One end of said resistance R 2 connects on the grid of said metal-oxide-semiconductor, and the other end of said resistance R 2 is connected on the second end CKB of constant current bootstrapping sampling integrated circuit CK; One end of said resistance R 4 connects in the drain electrode of said metal-oxide-semiconductor, and the other end of said resistance R 4 is connected on the second end CKB of constant current bootstrapping sampling integrated circuit CK; One end of said resistance R 5 is connected on the source electrode of said metal-oxide-semiconductor, and the other end of said resistance R 5 is connected on the 3rd end CKC of constant current bootstrapping sampling integrated circuit CK; The end of said diode D2 is connected on the source electrode of said metal-oxide-semiconductor, and the other end of said diode D2 is connected on the five terminal CKE of constant current bootstrapping sampling integrated circuit CK.
Compared with present technology, the utility model beneficial effect is embodied in:
With the connection that is in series of two one-way constant flow modules, formed the bidirectional constant circuit integrated module, have the functional characteristic of bidirectional constant.At the output of bidirectional constant circuit integrated module, can connect connection parallel with one another and opposite polarity diode, needn't consider the polarity of diode.The bidirectional constant circuit integrated module of the utility model; One end is connected with AC power, and the other end connects the lamp pearl of connection parallel with one another and opposite polarity two diodes composition, can drive two led lightings; Simple and the low cost of manufacture of circuit structure; Realize miniaturization easily, the electrical power conversion factor can reach more than 0.92, and has advantages such as photoelectric conversion efficiency height, circuit working good stability.
Description of drawings
Fig. 1 is the circuit structure diagram of the bidirectional constant circuit integrated module of the utility model.
Fig. 2 is the circuit structure diagram of one-way constant flow module of the bidirectional constant circuit integrated module of the utility model.
Fig. 3 is the circuit structure diagram of constant current bootstrapping sampling integrated circuit CK of one-way constant flow module of the bidirectional constant circuit integrated module of the utility model.
Circuit diagram when Fig. 4 is the driving LED lamp of bidirectional constant circuit integrated module of the utility model.
Fig. 5 is the structure chart of the LED lamp of prior art.
Below pass through embodiment, and combine accompanying drawing that the utility model is described further.
Embodiment
Referring to accompanying drawing 1～accompanying drawing 4, the bidirectional constant circuit integrated module comprises two one-way constant flow modules, and said two one-way constant flow modules are connected in series each other.With the connection that is in series of two one-way constant flow modules, formed the bidirectional constant circuit integrated module, have the functional characteristic of bidirectional constant.In first cycle and second cycle of alternating current, two one-way constant flow modules are worked respectively and are exported the direct current constant current.In first cycle of alternating current, the in running order and output of its first one-way constant flow module is during constant current, and second one-way constant flow module is in conducting state, plays the lead effect.In second cycle of alternating current, the in running order and output of its second one-way constant flow module is during constant current, and first one-way constant flow module is in conducting state, plays the lead effect.Constant current is constantly exported in the alternation of two one-way constant flow modules, drives two groups of LED lamps.
Said one-way constant flow module comprises resistance R, constant current bootstrapping sampling integrated circuit CK and triode BG; The emitter of triode BG in two one-way constant flow modules is connected; The first end RA of said resistance is connected with the collector electrode of triode BG, and the second end RB of said resistance is connected with the first end CKA of said constant current bootstrapping sampling integrated circuit CK; The second end CKB of said constant current bootstrapping sampling integrated circuit CK is connected with the collector electrode of triode BG; The 3rd end CKC of said constant current bootstrapping sampling integrated circuit CK is connected with the base stage of triode BG, and the 4th end CKD of said constant current bootstrapping sampling integrated circuit CK all is connected with the emitter of triode BG with five terminal CKE; The collector and emitter of said triode BG is respectively as the positive terminal and the negative pole end of one-way constant flow module.With the connection that is in series of two one-way constant flow modules, formed the bidirectional constant circuit integrated module, have the functional characteristic of bidirectional constant.Said triode BG is the power output triode, exportable current drives LED lamp.The negative or positive electrode of triode lamp is connected on the bidirectional constant circuit integrated module of the utility model, all can drive to make led lighting.Thereby, at the output of bidirectional constant circuit integrated module, can connect connection parallel with one another and opposite polarity diode, needn't consider the polarity of diode.The bidirectional constant circuit integrated module of the utility model; One end is connected with AC power, and the other end connects the lamp pearl of connection parallel with one another and opposite polarity two diodes composition, can drive two led lightings; Simple and the low cost of manufacture of circuit structure; Realize miniaturization easily, the electrical power conversion factor can reach more than 0.92, and has advantages such as photoelectric conversion efficiency height, circuit working good stability.
Said constant current bootstrapping sampling integrated circuit CK comprises resistance R 1～R5, diode D1～D2 and metal-oxide-semiconductor;
Said resistance R 1, resistance R 3 and diode D1 are serially connected between the first end CKA and the 4th end CKD of constant current bootstrapping sampling integrated circuit CK successively, and the grid of said metal-oxide-semiconductor is connected between said resistance R 1 and the resistance R 3;
One end of said resistance R 2 connects on the grid of said metal-oxide-semiconductor, and the other end of said resistance R 2 is connected on the second end CKB of constant current bootstrapping sampling integrated circuit CK;
One end of said resistance R 4 connects in the drain electrode of said metal-oxide-semiconductor, and the other end of said resistance R 4 is connected on the second end CKB of constant current bootstrapping sampling integrated circuit CK;
One end of said resistance R 5 is connected on the source electrode of said metal-oxide-semiconductor, and the other end of said resistance R 5 is connected on the 3rd end CKC of constant current bootstrapping sampling integrated circuit CK;
The end of said diode D2 is connected on the source electrode of said metal-oxide-semiconductor, and the other end of said diode D2 is connected on the five terminal CKE of constant current bootstrapping sampling integrated circuit CK.
Like Fig. 1, the one-way constant flow module is promptly processed the bidirectional constant module with two-way admittance after filling the medium casting forming with mould, if during use not polarity be serially connected in the alternating current circuit and can drive the diode operate as normal.
As shown in Figure 4, D1～D38 light-emitting diode divides two strings up and down, respectively is 38, totally 76 two strings.D1 is formed by two light-emitting diode serial connections; The output of bidirectional constant circuit integrated module is connected between two diodes.The diode group of two string reverse parallel connections is arranged on same the circuit board, and the LED light-emitting diode is arranged and to be two parallel lines, and it is good more closely more that two string simple grain LED luminous tubes are laid spacing, is bar shaped fluorescent lamp shape.The component parameters that the utility model provides is arranged correct welding and need not adjustment.Connecting 110V or 220V AC power can be normally luminous.The application circuit of the utility model is through test, and running current is 40～42mA, power output 5～7W, and power factor is 0.92, has the advantage that power consumption is low, power factor is high.
Claims (3)
1. the bidirectional constant circuit integrated module is characterized in that, comprises two one-way constant flow modules, and said two one-way constant flow modules are connected in series each other.
2. bidirectional constant circuit integrated module according to claim 1 is characterized in that, said one-way constant flow module comprises resistance R, constant current bootstrapping sampling integrated circuit CK and triode BG; The emitter of triode BG in two one-way constant flow modules is connected; The first end RA of said resistance is connected with the collector electrode of triode BG, and the second end RB of said resistance is connected with the first end CKA of said constant current bootstrapping sampling integrated circuit CK; The second end CKB of said constant current bootstrapping sampling integrated circuit CK is connected with the collector electrode of triode BG; The 3rd end CKC of said constant current bootstrapping sampling integrated circuit CK is connected with the base stage of triode BG, and the 4th end CKD of said constant current bootstrapping sampling integrated circuit CK all is connected with the emitter of triode BG with five terminal CKE; The collector and emitter of said triode BG is respectively as the positive terminal and the negative pole end of one-way constant flow module.
3. bidirectional constant circuit integrated module according to claim 2 is characterized in that, said constant current bootstrapping sampling integrated circuit CK comprises resistance R 1～R5, diode D1～D2 and metal-oxide-semiconductor;
Said resistance R 1, resistance R 3 and diode D1 are serially connected between the first end CKA and the 4th end CKD of constant current bootstrapping sampling integrated circuit CK successively, and the grid of said metal-oxide-semiconductor is connected between said resistance R 1 and the resistance R 3;
One end of said resistance R 2 connects on the grid of said metal-oxide-semiconductor, and the other end of said resistance R 2 is connected on the second end CKB of constant current bootstrapping sampling integrated circuit CK;
One end of said resistance R 4 connects in the drain electrode of said metal-oxide-semiconductor, and the other end of said resistance R 4 is connected on the second end CKB of constant current bootstrapping sampling integrated circuit CK;
One end of said resistance R 5 is connected on the source electrode of said metal-oxide-semiconductor, and the other end of said resistance R 5 is connected on the 3rd end CKC of constant current bootstrapping sampling integrated circuit CK;
The end of said diode D2 is connected on the source electrode of said metal-oxide-semiconductor, and the other end of said diode D2 is connected on the five terminal CKE of constant current bootstrapping sampling integrated circuit CK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220079861XU CN202475885U (en) | 2012-03-06 | 2012-03-06 | Bidirectional constant-current circuit integrated module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220079861XU CN202475885U (en) | 2012-03-06 | 2012-03-06 | Bidirectional constant-current circuit integrated module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475885U true CN202475885U (en) | 2012-10-03 |
Family
ID=46924004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220079861XU Expired - Fee Related CN202475885U (en) | 2012-03-06 | 2012-03-06 | Bidirectional constant-current circuit integrated module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202475885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595737A (en) * | 2012-03-06 | 2012-07-18 | 卢子清 | Bidirectional constant-current circuit integrated module |
| WO2016141576A1 (en) * | 2015-03-09 | 2016-09-15 | 王纪年 | Super power-saving led illumination lamp emitting light based on micro-current |
-
2012
- 2012-03-06 CN CN201220079861XU patent/CN202475885U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595737A (en) * | 2012-03-06 | 2012-07-18 | 卢子清 | Bidirectional constant-current circuit integrated module |
| CN102595737B (en) * | 2012-03-06 | 2013-12-04 | 卢子清 | Bidirectional constant-current circuit integrated module |
| WO2016141576A1 (en) * | 2015-03-09 | 2016-09-15 | 王纪年 | Super power-saving led illumination lamp emitting light based on micro-current |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201180948Y (en) | Energy-saving lamp | |
| CN201726558U (en) | Novel LED energy-saving lamp | |
| CN201386941Y (en) | Mining anti-explosion LED fluorescent light | |
| CN202475885U (en) | Bidirectional constant-current circuit integrated module | |
| CN201072044Y (en) | Light emitting diode lighting lamp | |
| CN102595737B (en) | Bidirectional constant-current circuit integrated module | |
| CN201237183Y (en) | LED lamp without driving circuit | |
| CN202442168U (en) | Bidirectional LED (Light-Emitting Diode) lamp bead | |
| CN102588797A (en) | Bidirectional LED | |
| CN201462537U (en) | Novel LED miniature bulb string | |
| CN201731335U (en) | Alternating current direct-drive LED lamp tube | |
| CN202026511U (en) | LED constant current constant voltage electricity obtaining system | |
| CN202818677U (en) | Circuit capable of stabilizing voltage of light emitting diode | |
| CN201420963Y (en) | Integrated packaging LED light source without driving circuit | |
| CN201696974U (en) | LED street lamp lighting device | |
| CN202455631U (en) | Non-driving alternating current power supply alternating current light-emitting diode (ACLED) light source | |
| CN203363791U (en) | Light-emitting diode (LED) micro-electronic energy-efficient lighting head lamp | |
| CN205244877U (en) | On -driven LED reflector lamp | |
| CN103269540A (en) | Double-circuit complementary linear LED constant current circuit | |
| CN203273467U (en) | Concatenation type strip-shaped LED (light emitting diode) lamp | |
| CN202215987U (en) | Light emitting diode (LED) lighting lamp | |
| CN102573175A (en) | Single-stage flyback driving power supply | |
| CN2906299Y (en) | Stable release-controlled illumination indicating device of LED | |
| CN202972727U (en) | Low-voltage module LED light bar | |
| CN202475870U (en) | LED (Light Emitting Diode) streetlamp |
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 |
Granted publication date: 20121003 Termination date: 20140306 |