CN204836690U - LED lamps and lanterns through two return circuit mixing of colors temperature of two lines - Google Patents
LED lamps and lanterns through two return circuit mixing of colors temperature of two lines Download PDFInfo
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- CN204836690U CN204836690U CN201520564473.4U CN201520564473U CN204836690U CN 204836690 U CN204836690 U CN 204836690U CN 201520564473 U CN201520564473 U CN 201520564473U CN 204836690 U CN204836690 U CN 204836690U
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- 239000003086 colorant Substances 0.000 title claims abstract description 9
- 241001465382 Physalis alkekengi Species 0.000 title abstract 2
- 230000001105 regulatory effect Effects 0.000 claims abstract description 39
- 230000000295 complement effect Effects 0.000 claims abstract description 15
- 230000005669 field effect Effects 0.000 claims description 43
- 230000003750 conditioning effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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Abstract
The utility model discloses a LED lamps and lanterns through two return circuit mixing of colors temperature of two lines, including first via LED lamp, second way LED lamp and colour temperature regulating circuit, the plus end of first via LED lamp is connected with the negative terminal of second way LED lamp, the negative terminal of first via LED lamp is connected with the plus end of second way LED lamp, one end ground connection after first via LED lamp and second way LED lamp are parallelly connected, the colour temperature regulating circuit is including a complementary switch circuit and the 2nd switch circuit who switches on, a switch circuit and the 2nd one of them person's of switch circuit first end and the anodal of external power supply are connected, wherein another person's first end is connected with external power supply's negative pole, a switch circuit and the 2nd switch circuit's second end is connected to the other end after first via LED lamp connects in parallel with second way LED lamp, a control end input control signal switches on. Compared with the prior art, the utility model discloses a line connection has been simplified to two line conditioning colour temperatures, has avoided LED lamp plate width limited, and need not to distinguish positive negative pole.
Description
Technical field
The utility model relates to LED technical field, relates to a kind of LED lamp by two line double loop color-temperature regulatings more specifically.
Background technology
Existing LED lamp adopts 3 line two loops (two loops just or are altogether born altogether) or 4 line two loops (two loops are separate) usually when color-temperature regulating, but light fixture complex circuit when adopting 3 line 4 line two loop in application, wiring easily makes mistakes.Meanwhile, adopt 3 lines or 4 lines, the lamp plate width of color-temperature regulating can be caused to be restricted, can not be applied to ultrathin design, and 3 lines or 4 line two loops need to distinguish positive and negative electrode, once connect anti-light fixture by cisco unity malfunction, application is inconvenience very.
Utility model content
The purpose of this utility model is to provide a kind of LED lamp by two line double loop color-temperature regulatings, to realize the colour temperature being regulated LED lamp by two line double loops, simplify connection, avoid LED lamp panel restricted width system, and without the need to distinguishing both positive and negative polarity, improve the convenience that user uses.
For achieving the above object, the utility model provides a kind of LED lamp by two line double loop color-temperature regulatings, comprise first via LED, second paths of LEDs lamp and colour temperature regulating circuit, described first via LED and described second paths of LEDs light fixture have different colors, wherein said first via LED and the plus end of described first via LED in parallel with described second paths of LEDs lamp is connected with the negative terminal of described second paths of LEDs lamp, the negative terminal of described first via LED is connected with the plus end of described second paths of LEDs lamp, one end ground connection after described first via LED and described second paths of LEDs lamp parallel connection, described colour temperature regulating circuit comprises the first switching circuit and the second switch circuit of complementary conducting, described first switching circuit with in second switch circuit wherein the first end of one be connected with the positive pole of external power supply, the first end of another one is wherein connected with the negative pole of described external power supply, second end and second end of described second switch circuit of described first switching circuit be jointly connected to described first via LED and described second paths of LEDs lamp in parallel after the other end, the conducting control end of described first switching circuit and described second switch circuit inputs a control signal with the first switching circuit described in conducting or described second switch circuit.
Compared with prior art, the utility model comprises first via LED by the LED lamp of two line double loop color-temperature regulatings, second paths of LEDs lamp and colour temperature regulating circuit, first via LED and the second paths of LEDs light fixture have different colors, wherein first via LED and the second paths of LEDs lamp in parallel and the two plus end and negative terminal is cross-linked, colour temperature regulating circuit comprises the first switching circuit and the second switch circuit of complementary conducting, and the negative terminal of the plus end of first via LED and the second paths of LEDs lamp accesses colour temperature regulating circuit respectively, when the first switching circuit or second switch circuit turn-on, one meeting conducting is had in first via LED and the second paths of LEDs lamp, the switching of first via LED and the second paths of LEDs lamp can be controlled by the conducting changing the first switching circuit and second switch circuit, realize colour temperature to regulate, and regulate colour temperature to simplify connection by two circuits, avoid LED lamp panel restricted width system, ultrathin design can be applied to, and without the need to distinguishing both positive and negative polarity, improve the convenience that user uses.
Preferably, described first switching circuit comprises field effect transistor QA, described second switch circuit comprises field effect transistor QK, the drain electrode of described field effect transistor QA is connected with the positive pole of described external power supply, the drain electrode of described field effect transistor QK is connected with the negative pole of described external power supply, the source electrode of described field effect transistor QA and the source electrode of described field effect transistor QK are connected to the other end after described first via LED and described second paths of LEDs lamp parallel connection jointly, and the grid of described field effect transistor QA and the grid of field effect transistor QK input described control signal.
Preferably, described first switching circuit also comprises diode DA, described second switch circuit also comprises diode DK, the anode of described diode DA is connected with the source electrode of described field effect transistor QA, the negative electrode of described diode DK is connected with the source electrode of described field effect transistor QK, and the negative electrode of described diode DA and the anode of described diode DK are connected to the other end after described first via LED and described second paths of LEDs lamp parallel connection jointly.
Preferably, described first switching circuit also comprises diode D0, described second switch circuit also comprises diode D1, between the drain electrode that described diode D0 is parallel to described field effect transistor QA and source electrode, between the drain electrode that described diode D1 is parallel to described field effect transistor QK and source electrode.
Preferably, described first switching circuit comprises triode Q1, described second switch circuit comprises triode Q2, the collector electrode of described triode Q1 is connected with the positive pole of described external power supply, the collector electrode of described triode Q2 is connected with the negative pole of described external power supply, the emitter of described triode Q1 and the emitter of described triode Q1 are connected to the other end after described first via LED and described second paths of LEDs lamp parallel connection jointly, and the base stage of described triode Q1 and the base stage of described triode Q2 input described control signal.
Preferably, the described LED lamp by two line double loop color-temperature regulatings also comprises pwm signal output circuit, the output of described pwm signal output circuit is connected with the conducting control end of described first switching circuit and described second switch circuit, described in exporting, control signal to described first switching circuit and described second switch circuit, wherein said control signal is pwm signal.
Preferably, described first via LED and described second paths of LEDs lamp include light-emitting diode and the current-limiting resistance of multiple mutual series connection.
By following description also by reference to the accompanying drawings, the utility model will become more clear, and these accompanying drawings are for explaining embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model by LED lamp one embodiment of two line double loop color-temperature regulatings;
Fig. 2 is the circuit diagram of the utility model by LED lamp one embodiment of two line double loop color-temperature regulatings;
Fig. 3 is the circuit diagram of the utility model by another embodiment of LED lamp of two line double loop color-temperature regulatings; And
Fig. 4 is the utility model by the circuit diagram of the LED lamp of a two line double loop color-temperature regulatings embodiment again.
Embodiment
With reference now to accompanying drawing, describe embodiment of the present utility model, element numbers similar in accompanying drawing represents similar element.
Please refer to Fig. 1, the utility model provides a kind of LED lamp 100 by two line double loop color-temperature regulatings, it comprises first via LED 11, second paths of LEDs lamp 12 and colour temperature regulating circuit 13, first via LED 11 and the second paths of LEDs lamp 12 have different colors, first via LED 11 and plus end of first via LED 11 in parallel with the second paths of LEDs lamp 12 is connected with the negative terminal of the second paths of LEDs lamp 12, the negative terminal of first via LED 11 is connected with the plus end of the second paths of LEDs lamp 12, one end ground connection after first via LED 11 and the second paths of LEDs lamp 12 parallel connection, first via LED 11 is connected with colour temperature regulating circuit 13 with the other end after the second paths of LEDs lamp 12 parallel connection, concrete, colour temperature regulating circuit 13 comprises the first switching circuit 131 and the second switch circuit 133 of complementary conducting, first switching circuit 131 is connected with the positive pole of external power supply with the first end of wherein one in both second switch circuit 133, the first end of another one is wherein connected with the negative pole of external power supply, second end of the first switching circuit 131 and the second end of second switch circuit 133 be jointly connected to first via LED 11 and the second paths of LEDs lamp 12 in parallel after the other end, the conducting control end of the first switching circuit 131 and second switch circuit 133 inputs a control signal with conducting first switching circuit 131 or second switch circuit 133.
Compared with prior art, the utility model is by arranging the first switching circuit and the second switch circuit of complementary conducting, the positive pole of first via LED is connected with the negative pole of the second paths of LEDs lamp and the positive pole of the negative pole of first via LED with the second paths of LEDs lamp is connected, then by the switching circuit in series of the two paths of LED lamp after parallel connection and complementary conducting, achieve when a wherein path switching circuit conducting in two switching circuits, one in conducting first via LED and the second paths of LEDs lamp, when another path switching circuit conducting wherein in two switching circuits, another one in conducting first via LED and the second paths of LEDs lamp, because two paths of LED light fixture has different colors, thus colour temperature adjustment can be realized by the switching controlling first via LED and the second paths of LEDs lamp, and regulate colour temperature to simplify connection by two circuits, avoid LED lamp panel restricted width system, ultrathin design can be applied to, and there is identical circuit structure due to the first switching circuit and second switch circuit, therefore without the need to distinguishing both positive and negative polarity, improve the convenience that user uses.
Please refer to Fig. 2, Fig. 2 is the circuit diagram of the utility model by LED lamp 100 1 preferred embodiment of two line double loop color-temperature regulatings.As shown in Figure 2, first via LED 11 and the second paths of LEDs lamp 12 include light-emitting diode and the current-limiting resistance of multiple mutual series connection.Concrete, as shown in Figure 2, in the present embodiment, first via LED 11 comprises light-emitting diode DA1, DA2, DA3 and current-limiting resistance RA, second paths of LEDs lamp 12 comprises light-emitting diode DK1, DK2, DK3 and current-limiting resistance RK, first via LED 11 and plus end of first via LED 11 in parallel with the second paths of LEDs lamp 12 is connected with the negative terminal of the second paths of LEDs lamp 12 and is connected with the output of colour temperature regulating circuit 13 afterwards, the negative terminal of first via LED 11 and the plus end common ground of the second paths of LEDs lamp 12.In addition, external power supply can be +/-12V, +/-24V etc., is described in the present embodiment for external power supply +/-12V direct current, just very+12V the direct current of external power supply, the negative pole of external power supply is-12V direct current, and certainly, external power supply is not restricted to this.
Please refer to Fig. 2 again, first switching circuit 131 comprises field effect transistor QA, second switch circuit 133 comprises field effect transistor QK, the wherein drain electrode of field effect transistor QA and the positive pole (Vin+ of external power supply, be+12V direct current in the present embodiment) connect, the drain electrode of field effect transistor QK and the negative pole (Vin-of external power supply, be-12V direct current in the present embodiment) connect, the source electrode of field effect transistor QA and the source electrode of field effect transistor QK are connected to the other end after first via LED 11 and the second paths of LEDs lamp 12 parallel connection jointly, the grid of field effect transistor QA and the gate input control signal Ctrl of field effect transistor QK.Certainly, the drain electrode that can also arrange field effect transistor QA connects in the negative pole of external power supply, and the drain electrode of field effect transistor QK is connected with the positive pole of external power supply.
During work, when control signal Ctrl makes field effect transistor QA conducting, field effect transistor QK ends, now the input voltage of first via LED 11 is positive voltage, and then first via LED 11 conducting, and the input voltage of the second paths of LEDs lamp 12 is positive voltage, causes the second paths of LEDs lamp 12 to end, otherwise, when control signal Ctrl makes field effect transistor QK conducting, field effect transistor QA ends, now the input voltage in first via LED 11 loop is negative voltage, first via LED 11 is caused to be ended, and the input voltage in the second paths of LEDs lamp 12 loop is negative voltage, now the second paths of LEDs lamp 12 conducting, namely when the first switching circuit 131 and the 133 complementary conducting of second switch circuit, first via LED 11 and the complementary conducting of the second paths of LEDs lamp 12, because first via LED 11 and the second paths of LEDs lamp 12 have different colors (namely having different colour temperatures), thus achieve colour temperature adjustment by switched conductive first via LED 11 and the second paths of LEDs lamp 12, and first via LED 11 and the second paths of LEDs lamp 12 are connected in parallel in the same circuit, circuit is simple, avoid the restricted width system of LED lamp panel, ultrathin design can be applied to, simultaneously because the first switching circuit 131 and second switch circuit 133 have identical circuit structure, the two complementary conducting, therefore without the need to distinguishing the both positive and negative polarity of external power supply, simplify connection, improve the convenience that user uses.
Please refer to Fig. 3 again, Fig. 3 is the circuit diagram of the utility model by another preferred embodiment of LED lamp 100 of two line double loop color-temperature regulatings.As shown in Figure 3, the present embodiment and difference embodiment illustrated in fig. 2 are: in the present embodiment, the first switching circuit 131 also comprises diode DA and diode D0, and second switch circuit 133 also comprises diode DK and diode D1.Concrete, the anode of diode DA is connected with the source electrode of field effect transistor QA, the negative electrode of diode DK is connected with the source electrode of field effect transistor QK, the negative electrode of diode DA and the anode of diode DK are connected to the other end after first via LED 11 and the second paths of LEDs lamp 12 parallel connection jointly, diode D0 is parallel between the drain electrode of field effect transistor QA and source electrode, and diode D1 is parallel between the drain electrode of field effect transistor QK and source electrode.
The operation principle of the LED lamp 100 by two line double loop color-temperature regulatings in the present embodiment is identical with operation principle embodiment illustrated in fig. 2, no longer describes in detail herein.
Please refer to Fig. 4 again, Fig. 4 is the utility model by the circuit diagram of the LED lamp 100 of a two line double loop color-temperature regulatings preferred embodiment again.As shown in Figure 4, in the present embodiment, the first switching circuit 131 comprises triode Q1, second switch circuit 133 comprises triode Q2, the collector electrode of triode Q1 is connected with the positive pole of external power supply, the collector electrode of triode Q2 is connected with the negative pole of external power supply, the emitter of triode Q1 and the emitter of triode Q1 are connected to the other end after first via LED 11 and the second paths of LEDs lamp 12 parallel connection jointly, the base stage of triode Q1 and the base stage input control signal Ctrl of triode Q2.
During work, when control signal Ctrl makes triode Q1 conducting, triode Q2 ends, now the input voltage of first via LED 11 is positive voltage, and then first via LED 11 conducting, and the input voltage of the second paths of LEDs lamp 12 is positive voltage, causes the second paths of LEDs lamp 12 to end, otherwise, when control signal Ctrl makes triode Q2 conducting, triode Q1 ends, now the input voltage in first via LED 11 loop is negative voltage, first via LED 11 is caused to be ended, and the input voltage in the second paths of LEDs lamp 12 loop is negative voltage, now the second paths of LEDs lamp 12 conducting, namely when the first switching circuit 131 and the 133 complementary conducting of second switch circuit, first via LED 11 and the complementary conducting of the second paths of LEDs lamp 12, because first via LED 11 and the second paths of LEDs lamp 12 have different colors (namely having different colour temperatures), thus colour temperature adjustment can be realized by switched conductive first via LED 11 and the second paths of LEDs lamp 12, and first via LED 11 and the second paths of LEDs lamp 12 are connected in parallel in the same circuit, circuit is simple, avoid LED lamp panel restricted width system, ultrathin design can be applied to, simultaneously because the first switching circuit 131 and second switch circuit 133 have identical circuit structure, the two complementary conducting, therefore without the need to distinguishing the both positive and negative polarity of external power supply, simplify connection, improve the convenience that user uses.
Embodiment illustrated in fig. 4ly to be with Fig. 2 and difference embodiment illustrated in fig. 3: in embodiment illustrated in fig. 4, form switching circuit by triode, and Fig. 2 forms switching circuit by field effect transistor in embodiment illustrated in fig. 3.It should be noted that, as long as can realize the complementary conducting function of the first switching circuit 131 and second switch circuit 133 in the utility model, any type of switching circuit all can as the switching circuit in the utility model.
In addition, it should be noted that, in each embodiment of the utility model, control signal is a pwm signal, also comprise pwm signal output circuit (not shown in FIG.) by the LED lamp 100 of two line double loop color-temperature regulatings for this reason, the output of pwm signal output circuit is connected with the conducting control end of the first switching circuit 131 and second switch circuit 133, to output control signals to the first switching circuit 131 and second switch circuit 133, and then control the complementary conducting of the first switching circuit 131 and second switch circuit 133.Wherein pwm signal output circuit be conventional in prior art can the circuit of output pwm signal, as simply by single-chip microcomputer output pwm signal etc.
More than in conjunction with most preferred embodiment, the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contain various carry out according to essence of the present utility model amendment, equivalent combinations.
Claims (7)
1. the LED lamp by two line double loop color-temperature regulatings, comprise first via LED, second paths of LEDs lamp and colour temperature regulating circuit, described first via LED and described second paths of LEDs light fixture have different colors, it is characterized in that, described first via LED and the plus end of described first via LED in parallel with described second paths of LEDs lamp is connected with the negative terminal of described second paths of LEDs lamp, the negative terminal of described first via LED is connected with the plus end of described second paths of LEDs lamp, one end ground connection after described first via LED and described second paths of LEDs lamp parallel connection, described colour temperature regulating circuit comprises the first switching circuit and the second switch circuit of complementary conducting, described first switching circuit with in second switch circuit wherein the first end of one be connected with the positive pole of external power supply, the first end of another one is wherein connected with the negative pole of described external power supply, second end and second end of described second switch circuit of described first switching circuit be jointly connected to described first via LED and described second paths of LEDs lamp in parallel after the other end, the conducting control end of described first switching circuit and described second switch circuit inputs a control signal with the first switching circuit described in conducting or described second switch circuit.
2. the LED lamp by two line double loop color-temperature regulatings as claimed in claim 1, it is characterized in that, described first switching circuit comprises field effect transistor QA, described second switch circuit comprises field effect transistor QK, the drain electrode of described field effect transistor QA is connected with the positive pole of described external power supply, the drain electrode of described field effect transistor QK is connected with the negative pole of described external power supply, the source electrode of described field effect transistor QA and the source electrode of described field effect transistor QK are connected to the other end after described first via LED and described second paths of LEDs lamp parallel connection jointly, the grid of described field effect transistor QA and the grid of field effect transistor QK input described control signal.
3. the LED lamp by two line double loop color-temperature regulatings as claimed in claim 2, it is characterized in that, described first switching circuit also comprises diode DA, described second switch circuit also comprises diode DK, the anode of described diode DA is connected with the source electrode of described field effect transistor QA, the negative electrode of described diode DK is connected with the source electrode of described field effect transistor QK, and the negative electrode of described diode DA and the anode of described diode DK are connected to the other end after described first via LED and described second paths of LEDs lamp parallel connection jointly.
4. the LED lamp by two line double loop color-temperature regulatings as claimed in claim 2, it is characterized in that, described first switching circuit also comprises diode D0, described second switch circuit also comprises diode D1, between the drain electrode that described diode D0 is parallel to described field effect transistor QA and source electrode, between the drain electrode that described diode D1 is parallel to described field effect transistor QK and source electrode.
5. the LED lamp by two line double loop color-temperature regulatings as claimed in claim 1, it is characterized in that, described first switching circuit comprises triode Q1, described second switch circuit comprises triode Q2, the collector electrode of described triode Q1 is connected with the positive pole of described external power supply, the collector electrode of described triode Q2 is connected with the negative pole of described external power supply, the emitter of described triode Q1 and the emitter of described triode Q1 are connected to the other end after described first via LED and described second paths of LEDs lamp parallel connection jointly, the base stage of described triode Q1 and the base stage of described triode Q2 input described control signal.
6. the LED lamp by two line double loop color-temperature regulatings as claimed in claim 1, it is characterized in that, also comprise pwm signal output circuit, the output of described pwm signal output circuit is connected with the conducting control end of described first switching circuit and described second switch circuit, described in exporting, control signal to described first switching circuit and described second switch circuit, wherein said control signal is pwm signal.
7. the LED lamp by two line double loop color-temperature regulatings as described in any one of claim 1 to 6, it is characterized in that, described first via LED and described second paths of LEDs lamp include light-emitting diode and the current-limiting resistance of multiple mutual series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564473.4U CN204836690U (en) | 2015-07-29 | 2015-07-29 | LED lamps and lanterns through two return circuit mixing of colors temperature of two lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564473.4U CN204836690U (en) | 2015-07-29 | 2015-07-29 | LED lamps and lanterns through two return circuit mixing of colors temperature of two lines |
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| Publication Number | Publication Date |
|---|---|
| CN204836690U true CN204836690U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520564473.4U Expired - Fee Related CN204836690U (en) | 2015-07-29 | 2015-07-29 | LED lamps and lanterns through two return circuit mixing of colors temperature of two lines |
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| CN (1) | CN204836690U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109769320A (en) * | 2019-02-27 | 2019-05-17 | 深圳市晟瑞科技有限公司 | A kind of two-wire adjusts the control circuit and control device of lighting programmers |
| TWI666972B (en) * | 2017-09-29 | 2019-07-21 | 美商科斯莫燈飾公司 | Lighting circuit with time control function |
| CN110087365A (en) * | 2019-05-24 | 2019-08-02 | 深圳迪亚士照明科技有限公司 | A kind of brightness colour temperature synchronous adjustment flexible LED lamp bar circuit and soft light bar |
-
2015
- 2015-07-29 CN CN201520564473.4U patent/CN204836690U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI666972B (en) * | 2017-09-29 | 2019-07-21 | 美商科斯莫燈飾公司 | Lighting circuit with time control function |
| CN109769320A (en) * | 2019-02-27 | 2019-05-17 | 深圳市晟瑞科技有限公司 | A kind of two-wire adjusts the control circuit and control device of lighting programmers |
| CN110087365A (en) * | 2019-05-24 | 2019-08-02 | 深圳迪亚士照明科技有限公司 | A kind of brightness colour temperature synchronous adjustment flexible LED lamp bar circuit and soft light bar |
| CN110087365B (en) * | 2019-05-24 | 2024-05-24 | 深圳迪亚士照明科技有限公司 | Light Emitting Diode (LED) soft lamp strip circuit for synchronously adjusting brightness and color temperature and soft lamp strip |
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| 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: 20151202 |