CN203748057U - Control circuit having LED group work bi-directional driving function - Google Patents
Control circuit having LED group work bi-directional driving function Download PDFInfo
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- CN203748057U CN203748057U CN201420009234.8U CN201420009234U CN203748057U CN 203748057 U CN203748057 U CN 203748057U CN 201420009234 U CN201420009234 U CN 201420009234U CN 203748057 U CN203748057 U CN 203748057U
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- 230000006870 function Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000011218 segmentation Effects 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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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Abstract
The utility model is suitable for the technical field of electronics, and discloses a control circuit having the LED group work bi-directional driving function. The control circuit comprises a power source, a control switch, an integrated circuit and an LED group circuit which is electrically connected with the integrated circuit. The LED group circuit is an LED group bi-directional control circuit. The LED group bi-directional control circuit includes more than one group of independent LED groups. The positive and negative electrodes of at least one LED in each LED group are in parallel connection with the positive and negative electrodes of other LEDs in the same LED group in the opposite-polarity manner. The pulse width and direction of the output end voltage of the integrated circuit are adjustable. The current directions of the circuit in different time intervals are opposite, and bi-directional driving is formed through the change of the current direction. The technology has the advantage of wide application range, and can be used in all LED application fields needing a variety of color change, so not only the product material cost can be reduced, and but also the working efficiency can be significantly improved and the fabrication process can be simplified.
Description
Technical field
The utility model belongs to electronic technology field, relate to a kind of have pulse duration and direction according to prior preset program adjustable bi-directional drive load circuit light-emitting diode (hereinafter referred to as LED.Comprise: organic electric exciting light-emitting diode Organ Light-Emitting Diode, i.e. OLED) control circuit of function.
Under control circuit, especially the DC power supply application conditions of the work of bi-directional drive LED group, control the variation of input current direction in LED group, the progressively linearity control circuit of conducting and shutoff.
Background technology
Traditional LED linearity control circuit, the positive pole of LED connects power supply, and the negative pole of LED connects OUT end, every group of LED must be through the current delivery of common port, and due to the unilateal conduction effect of diode, traditional circuit is all unidirectional, irreversible, as drive two-way or LED multi-path, not only aspect cost, wire rod quantity is higher, and whole line holding area is large, in the time producing, certainly will increase operation, and whole drive circuit works efficiency is lower, can not reach the needs of convenient and energy-saving far away.
Utility model content
For solving shortcoming of the prior art, the utility model adopts a kind of control circuit with bi-directional drive LED group work functions, has not only saved the cost of wire rod and the space taking, and has improved the operating efficiency of drive circuit, and production technology is also simpler.
The utility model is to realize like this, a kind of control circuit with bi-directional drive LED group work functions, the LED group circuit that comprises power supply, control switch, integrated circuit and be electrically connected with integrated circuit, described LED group circuit is LED group two-way control circuit, described LED group two-way control circuit comprises one group of above separate LED group, has at least the both positive and negative polarity of a LED and other LED both positive and negative polarity on the same group to carry out opposite polarity being connected in parallel in every group of LED; Wherein: pulse duration and the direction of the output end voltage of this integrated circuit are adjustable.
Preferably, described LED group two-way control circuit comprises trigger switch TG.
Preferably, described LED group two-way control circuit also comprises key-locking switch ON/OFF.
Preferably, described LED group two-way control circuit comprises integrated circuit unit module, and described integrated circuit unit module comprises: " input control circuit " module, " oscillating circuit " module, " clock generator " module, " button and logical circuit " module, " decoding circuit " module, " CODE PLA ROM " module and " output buffer stage circuit " module; Wherein said " input control circuit " module, its input is electrically connected with external power source by control switch, the output of described " input control circuit " module is electrically connected with the input of " oscillating circuit " module and " button and logical circuit " module, the output of described " oscillating circuit " module is electrically connected again " clock generator " module, " CODE PLA ROM " module and " output buffer stage circuit " module successively, then is electrically connected with multiple OUT outputs; The output of described " input control circuit " module is electrically connected " button and logical circuit " module and " decoding circuit " module and " output buffer stage circuit " module successively; Described " clock generator " module output connects the input of " button and logical circuit " module, " decoding circuit " module and " CODE PLA ROM " module simultaneously; " button and logical circuit " module output is also electrically connected with the input of " CODE PLA ROM " module.
The utility model adopts many group LED is set in a control circuit, has at least the both positive and negative polarity of a LED and other LED both positive and negative polarity on the same group to carry out opposite polarity being connected in parallel in every group of LED; Pulse duration and the direction of the output end voltage being somebody's turn to do are adjustable, thereby cause LED to replace glittering method, due to the vision stop effect of people's eyes, thereby produce the simultaneously glittering effect of LED of whole driving LED control circuit as quick switch current direction.Adopt during this time locking key effectively to control, be applicable to different clients' demand.Not only do not need the common port circuit in traditional handicraft, and on a circuit, realize the transmission of different directions electric current, greatly saved the cost of circuit, operating efficiency improves greatly, and manufacture craft is also simplified a lot.
Brief description of the drawings
Fig. 1 is traditional LED linearity control circuit schematic diagram that the utility model provides;
Fig. 2 is control circuit (three groups of LED, every group of two LED) schematic diagram with bi-directional drive LED group work functions that the utility model embodiment provides;
Fig. 3 be in the control circuit (three groups of LED, every group of two LED) with bi-directional drive LED group work functions that provides of the utility model embodiment with outside connection status under circuit theory diagrams;
Fig. 4 is the internal structure schematic diagram of the control circuit with bi-directional drive LED group work functions that provides of the utility model embodiment.
Wherein, 1 power supply, 2 trigger switch TG, 3 locking key ONOFF, 4 integrated circuits, 5LED organizes two-way control circuit, 51L1,52L4,53L3,54L5,55L3,56L6
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The control circuit (three groups of LED, every group of two LED) with bi-directional drive LED group work functions the utility model embodiment being provided below in conjunction with accompanying drawing is described in detail:
As Fig. 1 has shown the schematic diagram of traditional driving LED control circuit, traditional control circuit 5 is unidirectional, and there is common port 50 so that input current, now electric current is irreversible, every circuit can only transmit electric current in the same way, cause the waste of line cost, complex manufacturing technology and area occupied are large, and whole operating efficiency is not high yet.
The utility model is achieved in that a kind of control circuit with bi-directional drive LED group work functions, have pulse duration and direction according to prior preset program adjustable bi-directional drive load circuit light-emitting diode (hereinafter referred to as LED.Comprise: organic electric exciting light-emitting diode Organ Light-Emitting Diode, be OLED) control circuit of function, the LED group circuit that comprises power supply 1, control switch, integrated circuit 4 (being the IC in Fig. 3) and be electrically connected with integrated circuit 4, described LED group circuit is LED group two-way control circuit 5, described LED group two-way control circuit 5 comprises one group of above separate LED group, has at least the both positive and negative polarity of a LED and other LED both positive and negative polarity on the same group to carry out opposite polarity being connected in parallel in every group of LED; Bi-directional drive refers to, the pulse duration of the output end voltage of this integrated circuit 4 and direction can be adjustable according to prior preset program, and the sense of current of realizing this circuit is contrary in different time intervals.The application of this technology cannot be used in the LED that thoroughly changes different operating voltage in parallel circuits on the same group and in traditional circuit the history of the restriction that LED in parallel on the same group can only work simultaneously.The LED that realizes different operating voltage can be used on the same group in circuit, by LED both positive and negative polarity reverse parallel connection, while can be adjustable according to prior preset program in conjunction with pulse duration and the direction of the output end voltage of integrated circuit, thereby cause LED to replace glittering method, utilize the vision of people's eyes to stop phenomenon, thereby produce the simultaneously glittering effect of LED of whole driving LED control circuit by quick switch current direction.Adopt during this time locking key effectively to control, be applicable to different clients' demand.
As shown in Figures 2 and 3, show one of them embodiment of the present utility model, the present embodiment has only been enumerated and has been adopted three groups of LED, on every group of LED, be parallel with two opposite polarity LED of both positive and negative polarity, L151 and L452 parallel connection in first group, L253 and L554 parallel connection in second group, the 3rd group of L355 and L656 parallel connection, wherein L151, L253 and L355 are forward, and L452, L554 and L656 are reverse; In the time that power supply 1VCC inputs forward current by trigger switch TG2 and key-locking switch ONOFF3, see Fig. 2, as OUT1, OUT3, OUT5=1, OUT2, OUT4, OUT6=0, now in LED group, obtain forward current, L151, L253 and L355 conducting are bright, and L452, L554 and L656 do not work; As OUT1, OUT3, OUT5=0, OUT2, OUT4, OUT6=1, now obtain reverse current in LED group, and L452, L554 and L656 conducting are bright, and now L151, L253 and L355 do not work.Utilize the change of the sense of current to form bi-directional drive.So just produce L151, L253, L355 and L452, L554, L656 alternately glittering, due to the vision stop effect of people's eyes, thereby produce the simultaneously glittering effect of LED of whole driving LED control circuit.
Every group of above-mentioned LED operating voltage can be consistent or inconsistent, and in the time passing through suitable voltage and current, corresponding LED is bright, and all the other LED do not work, and so just reach and meet the different needs, and make the LED in control circuit reach different effects.
Certainly can adopt two groups, three groups, four groups ... LED, every group of LED can two, three, four in parallel ... LED, therefore not to repeat here.
Described integrated circuit 4 is applicable to all manufacture crafts and packaging technology, is not limited to the packaging technologies such as MCU, OTP, AS.
Key-locking switch ON/OFF3 in the utility model embodiment and trigger switch TG2, key-locking switch ON/OFF3 role is as follows:
Trigger switch TG2: when after locking key ON/OFF3 release, trigger switch TG2 is effective; When locking key ON/OFF3 closes, trigger switch TG is invalid.
Key-locking switch ON/OFF3: by for the first time, trigger switch TG2 pins, and all LED dodges once simultaneously; By for the second time, trigger switch TG2 release, all LED dodges three times simultaneously.Constantly cyclic switching of above two steps.
As shown in Figure 4, described LED group two-way control circuit 5 comprises integrated circuit unit module, and described integrated circuit unit module comprises: " input control circuit " module, " oscillating circuit " module, " clock generator " module, " button and logical circuit " module, " decoding circuit " module, " CODE PLA ROM " module and " output buffer stage circuit " module; Wherein said " input control circuit " module, its input is electrically connected with external power source by control switch, the output of described " input control circuit " module is electrically connected with the input of " oscillating circuit " module and " button and logical circuit " module, the output of described " oscillating circuit " module is electrically connected again " clock generator " module, " CODE PLA ROM " module and " output buffer stage circuit " module successively, then is electrically connected with multiple OUT outputs; The output of described " input control circuit " module is electrically connected " button and logical circuit " module and " decoding circuit " module and " output buffer stage circuit " module successively; Described " clock generator " module output connects the input of " button and logical circuit " module, " decoding circuit " module and " CODE PLA ROM " module simultaneously; " button and logical circuit " module output is also electrically connected with the input of " CODE PLA ROM " module.
The utility model integrated circuit 4 adds after normal working power VCC, integrated circuit 4 enters stand-by operation state, when outside transfers signals to the inside generator of input control circuit by control switch, reinform oscillating circuit concussion work, after oscillating circuit work, notice timing sequencer produces pulse signal, timing sequencer produces a series of pulse signal and controls respectively button and logical circuit, decoding circuit and tri-circuit of CODE PLA ROM, has mutually accepted the inner systematic function of integrated circuit 4; Wherein button and logical circuit produce the functional simulation signal that integrated circuit 4 needs, send into decoding circuit and carry out secondary generation decoding data more accurately, simultaneously, CODE PLA ROM mainly completes function LED and dodges method, it accepts clock generator control, now CODE PLA ROM and decoding circuit cushion function and the method for sudden strain of a muscle pulser jointly by output buffer stage circuit, thereby the pulse signal of the demand of generation dodges method through multiple OUT output output functions, goes round and begins again.
The function of physical circuit is as follows: trigger switch and logical circuit, comprise most and door, not gate or door and flip-flop circuit, it accepts input control circuit and two circuit controls of clock generator, other road multiple with door, not gate or door are mainly to produce the needed functional simulation signal of integrated circuit, then send into decoding circuit and enter secondary generation decoding data more accurately, CODE PLA ROM mainly completes function LED and dodges an internal memory of method, it accepts clock generator control, thereby completing, the analog signal of another trigger switch and logical circuit dodges accurately the storage of method function, now CODE PLA ROM and decoding circuit cushion function and the method for sudden strain of a muscle pulser jointly by buffer stage circuit, thereby the pulse signal of generation demand dodges method through multiple OUT output output functions.Integrated circuit completes once complete function like this, and the circulation always that goes round and begins again down.
The utility model compared with prior art, the utility model adopts the LED control technology of segmentation, from the variation of motion tracking input voltage, like this in whole AC ac cycle, according to the size of input voltage, by the LED of segmentation conducting and shutoff step by step step by step, and make input current follow input voltage changes and changes as far as possible, in the case of not changing the total power output of the total LED quantity of LED and LED, in an AC ac cycle, increase LED ON time, the power factor of input power and the operating efficiency of whole drive circuit are improved, operating efficiency can rise to more than 85% in typical case, power factor can rise to more than 0.95 simultaneously.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc.; such as increasing or reduce quantity, the type of change driving tube etc. of LED segmentation, within all should being included in protection range of the present utility model.
Claims (4)
1. one kind has the control circuit of bi-directional drive LED group work functions, the LED group circuit that comprises power supply, control switch, integrated circuit and be electrically connected with integrated circuit, it is characterized in that: described LED group circuit is LED group two-way control circuit, described LED group two-way control circuit comprises one group of above separate LED group, has at least the both positive and negative polarity of a LED and other LED both positive and negative polarity on the same group to carry out opposite polarity being connected in parallel in every group of LED; Pulse duration and the direction of the output end voltage of described integrated circuit are adjustable.
2. the control circuit with bi-directional drive LED group work functions according to claim 1, is characterized in that: described LED group two-way control circuit comprises trigger switch TG.
3. the control circuit with bi-directional drive LED group work functions according to claim 1, is characterized in that: described LED group two-way control circuit also comprises key-locking switch ON/OFF.
4. the control circuit with bi-directional drive LED group work functions according to claim 1, it is characterized in that: described LED group two-way control circuit comprises integrated circuit unit module, and described integrated circuit unit module comprises: " input control circuit " module, " oscillating circuit " module, " clock generator " module, " button and logical circuit " module, " decoding circuit " module, " CODE PLA ROM " module and " output buffer stage circuit " module; Wherein said " input control circuit " module, its input is electrically connected with external power source by control switch, the output of described " input control circuit " module is electrically connected with the input of " oscillating circuit " module and " button and logical circuit " module, the output of described " oscillating circuit " module is electrically connected again " clock generator " module, " CODE PLA ROM " module and " output buffer stage circuit " module successively, then is electrically connected with multiple OUT outputs; The output of described " input control circuit " module is electrically connected " button and logical circuit " module and " decoding circuit " module and " output buffer stage circuit " module successively; Described " clock generator " module output connects the input of " button and logical circuit " module, " decoding circuit " module and " CODE PLA ROM " module simultaneously; " button and logical circuit " module output is also electrically connected with the input of " CODE PLA ROM " module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009234.8U CN203748057U (en) | 2014-01-07 | 2014-01-07 | Control circuit having LED group work bi-directional driving function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009234.8U CN203748057U (en) | 2014-01-07 | 2014-01-07 | Control circuit having LED group work bi-directional driving function |
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| Publication Number | Publication Date |
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| CN203748057U true CN203748057U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420009234.8U Expired - Lifetime CN203748057U (en) | 2014-01-07 | 2014-01-07 | Control circuit having LED group work bi-directional driving function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103702492A (en) * | 2014-01-07 | 2014-04-02 | 王�忠 | Control circuit with bidirectional driving LED (light emitting diode) group work function and control method |
-
2014
- 2014-01-07 CN CN201420009234.8U patent/CN203748057U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103702492A (en) * | 2014-01-07 | 2014-04-02 | 王�忠 | Control circuit with bidirectional driving LED (light emitting diode) group work function and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
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| CX01 | Expiry of patent term |