CN203757477U - LED lamp strip - Google Patents
LED lamp strip Download PDFInfo
- Publication number
- CN203757477U CN203757477U CN201420128682.XU CN201420128682U CN203757477U CN 203757477 U CN203757477 U CN 203757477U CN 201420128682 U CN201420128682 U CN 201420128682U CN 203757477 U CN203757477 U CN 203757477U
- Authority
- CN
- China
- Prior art keywords
- led lamp
- led
- power supply
- supply line
- power cord
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The embodiment of the utility model provides an LED lamp strip which comprises a flexible PCB, a positive electrode power line, a negative electrode power line, a plurality of LED lamp strings formed by connecting a plurality of LEDs in series and shearing position indicating circuits arranged between two adjacent LED lamp strings. The positive electrode power line and the negative electrode power line are arranged on the flexible PCB. The LED lamp strings are arranged at intervals, the two ends of each LED lamp string are connected with the positive electrode power line and the negative electrode power line respectively, each shearing position indicating circuit at least comprises an indicating LED, the two ends of each shearing position indicating circuit are connected with the positive electrode power line and the negative electrode power line respectively, and when a detecting signal is sent to the positive electrode power line and the negative electrode power line, only the indicating LEDs are lighted on. Due to the fact that the shearing position indicating circuits are arranged, a shearing position can be indicated conveniently and accurately.
Description
Technical field
The utility model relates to LED(Light-Emitting Diode, light emitting diode) technology, relate in particular to a kind of LED lamp band.
Background technology
Traditional LED lamp band is normally at flexible PCB plate (Flexible Printed Circuit Board, FPCB) design circuit on 1, then LED and control element (resistance, electric capacity or IC etc.) are welded on and form complete circuit above, after energising, LED can be luminous, or show according to certain mode.
As shown in Figure 1, show the bare board product of existing a kind of LED lamp band, in this LED lamp band, it can directly use without any dustproof and waterproof safeguard measure in some occasion.On the flexible PCB plate of this LED lamp, be generally printed with and shear sign, user can be cut into LED lamp band the length needing according to actual needs, and the integrality of circuit wherein can be not destroyed.As shown in Figure 2 the circuit theory diagrams of Fig. 1.
And under other some special application scenarios, manufacturer can adopt plastic tube or silicone tube to be coated on the LED lamp band as on Fig. 1, to reach the effect of dustproof and waterproof.As shown in Figure 3, on flexible PCB plate 1, be coated with plastic tube or silicone tube 2.If plastic tube or silicone tube 2 are transparent or translucent, the crop marks that is printed on flexible PCB plate is still high-visible, and user can carry out cutting accordingly.But, in some other utilization place, need to make LED lamp band form the continuous neon effect of even light mixing, now plastic tube or silicone tube 2 are opaque often, therefore under this situation, even the tram of crop marks is also had no way of judging by manufacturer, if not in tram cutting, LED lamp band is easy to be damaged.
Utility model content
The utility model embodiment technical problem to be solved is, a kind of LED lamp band is provided, and can facilitate and indicate exactly clipped position.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of LED lamp band, comprising:
Flexible PCB plate;
Be arranged at cathode power supply line and anode power cord on described flexible PCB plate;
Many the LED lamp strings that formed by a plurality of LED serial connections; Described many LED lamp string intervals arrange, and the two ends of each LED lamp string connect described cathode power supply line and anode power cord respectively;
Be arranged on the shearing position indicating circuit between adjacent two LED lamp strings, described shearing position indicating circuit at least comprises an indication LED, described two ends of shearing position indicating circuit connect respectively described cathode power supply line and anode power cord, and when applying a detection signal to described cathode power supply line and anode power cord, only described indication LED is lit.
Preferably, described shearing position indicating circuit comprises:
Indication LED, the described anode power cord of its anodal connection;
Current-limiting resistance, its one end connects the negative pole of described indication LED, and its other end connects described cathode power supply line;
Wherein, described detection signal is the reverse DC power signal being applied in described cathode power supply line and anode power cord input, and the voltage of described reverse DC power signal is higher than the forward conduction voltage of described indication LED.
Preferably, described shearing position indicating circuit comprises:
The first electric capacity, its one end connects described anode power cord;
Indication LED, its anodal other end that connects described the first electric capacity;
The second resistance, its one end connects the negative pole of described indication LED, and its other end connects described cathode power supply line;
Wherein, described detection signal is to be applied to exchange LVPS signal in the input of described cathode power supply line and anode power cord, the voltage of described ac low-voltage power supply signal is lower than the conducting voltage of described each LED lamp string, higher than the conducting voltage of described indication LED.
Preferably, described shearing position indicating circuit comprises:
The first electric capacity, its one end connects described cathode power supply line;
Indication LED, its anodal other end that connects described the first electric capacity;
The second resistance, its one end connects the negative pole of described indication LED, and its other end connects described anode power cord;
Wherein, described detection signal is to be applied to exchange LVPS signal in the input of described cathode power supply line and anode power cord, the voltage of described ac low-voltage power supply signal is lower than the conducting voltage of described each LED lamp string, higher than the conducting voltage of described indication LED.
Preferably, on described flexible PCB plate, be coated with PVC adhesive tape, near the PVC adhesive tape surface indicating circuit of described shearing position, be provided with and shear sign.
Implement the utility model embodiment, there is following beneficial effect:
Between adjacent two LED lamp strings of LED lamp band, be provided with the shearing position indicating circuit that at least includes an indication LED, while applying a detection signal by indicating to this shearing position, can make this indication LED light, and all LED in each LED lamp string in this LED lamp band can not be lit, can near this indication LED, determine clipped position; Thereby can facilitate and indicate exactly clipped position.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, the accompanying drawing that obtains other according to these accompanying drawings still belongs to category of the present utility model.
Fig. 1 is the structural representation of the bare board product of existing a kind of LED lamp band;
Fig. 2 is the circuit theory diagrams of Fig. 1;
Fig. 3 is existing a kind of structural representation that is coated with the LED lamp band of plastic tube or silicone tube;
Fig. 4 is the circuit theory schematic diagram of an embodiment of a kind of LED lamp band of providing of the utility model;
Fig. 5 is that figure is shown in the circuit theory signal of another embodiment of a kind of LED lamp band of providing of the utility model;
Fig. 6 is the circuit theory schematic diagram of another embodiment of a kind of LED lamp band of providing of the utility model;
Fig. 7 is that figure is shown in the circuit theory signal of another embodiment of a kind of LED lamp band of providing of the utility model.
The specific embodiment
The explanation of following embodiment is with reference to accompanying drawing, can be in order to the specific embodiment of implementing in order to example the utility model.The direction term that the utility model is mentioned, such as " on ", D score, 'fornt', 'back', " left side ", " right side ", " interior ", " outward ", " side " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand the utility model, but not in order to limit the utility model.
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 4 is the circuit theory schematic diagram of an embodiment of a kind of LED lamp band of providing of the utility model; In this embodiment, this LED lamp band, comprising:
Flexible PCB plate;
Be arranged at cathode power supply line and anode power cord on flexible PCB plate;
Many the LED lamp strings that formed by a plurality of LED serial connections, many LED lamp string interval arranges, and the two ends of each LED lamp string connect cathode power supply line and anode power cord respectively, in Fig. 4, each LED lamp string includes the light emitting diode D1 connecting successively, D2 ~ Dn and necessary current-limiting resistance R1, the positive pole of this LED lamp string connects cathode power supply line, the negative pole of this LED lamp string connects anode power cord, when applying a forward dc power supply signal to cathode power supply line and anode power cord, and the voltage of this forward dc power supply signal is greater than the conducting voltage (being greater than the forward voltage sum of each LED in this LED lamp string) of this LED lamp string, get final product so that this LED lamp string is lighted,
Be arranged on the shearing position indicating circuit between adjacent two LED lamp strings, shear position indicating circuit and at least comprise an indication LED, the two ends of shearing position indicating circuit connect respectively cathode power supply line and anode power cord, and when applying a detection signal to cathode power supply line and anode power cord, only indication LED is lit, and all LED in each LED lamp string can not be lit.
Particularly, shearing position indicating circuit comprises:
Indication LED, i.e. diode Dk in figure, its anodal anode power cord that connects;
Current-limiting resistance R2, its one end connects the negative pole of indication LED, and its other end connects cathode power supply line;
Wherein, detection signal is the reverse DC power signal being applied in cathode power supply line and anode power cord input, and oppositely the voltage of DC power signal is higher than the forward conduction voltage of indication LED.
Be understandable that, when apply forward dc power supply signal in cathode power supply line and anode power cord input, light emitting diode D1, D2 ~ Dn in each LED lamp string are normally luminous, and indication LED can not be lit, and this indication LED can not have influence on LED lamp band and light normally effect; When apply appropriate detection signal in cathode power supply line and anode power cord input, can light this indication LED, and light emitting diode D1, D2 ~ Dn in each LED lamp string can be not luminous, utilize the operating personnel of the method manufacturer can accurately find clipped position and this is labeled on LED lamp band, user in use, can carry out correct cutting according to this clipped position.
As shown in Figure 5, show the circuit theory schematic diagram of another embodiment of a kind of LED lamp band that the utility model provides; In this embodiment, the maximum difference of the LED lamp band shown in itself and Fig. 4 is, the position that this shearing position indicating circuit is set and the positional distance of shearing are a fixed value (L), basic identical in other structures and principle and Fig. 4, in this embodiment, as long as determine this L value, after indication LED is lit, also determine at an easy rate concrete clipped position.
As shown in Figure 6, show the circuit theory schematic diagram of another embodiment of a kind of LED lamp band that the utility model provides; In this embodiment, the structure of shearing position indicating circuit is different, and particularly, this shearing position indicating circuit comprises:
The first capacitor C 1, its one end connects anode power cord;
Indication LED, i.e. light emitting diode Dk in figure, its anodal other end that connects the first capacitor C 1;
The second resistance R 2, its one end connects the negative pole of indication LED, and its other end connects cathode power supply line;
Wherein, detection signal is to be applied to exchange LVPS signal in the input of cathode power supply line and anode power cord, the voltage of ac low-voltage power supply signal is lower than the conducting voltage (being light emitting diode D1, D2 ~ Dn forward voltage sum) of each LED lamp string, higher than the conducting voltage of indication LED.
Thereby when applying forward dc power supply signal in the input of cathode power supply line and anode power cord, due to the buffer action of the first capacitor C, indication LED (being light emitting diode Dk) does not work, and light emitting diode D1, D2 ~ Dn in each LED lamp string is normally luminous.
When applying this detection signal in the input of cathode power supply line and anode power cord, can make indication LED (light-emitting diodes Dk) be lit, and all equal LED in each LED lamp string can not be lit, thereby can determine at an easy rate clipped position.Accordingly, the operating personnel of manufacturer can determine the accurate location of crop marks after LED lamp band has been coated plastic cement or silica gel.
As shown in Figure 7, show the circuit theory schematic diagram of another embodiment of a kind of LED lamp band that the utility model provides; In this embodiment, the structure of shearing position indicating circuit is different, particularly, preferably, shears position indicating circuit and comprises:
The first capacitor C 1, its one end connects cathode power supply line;
Indication LED, i.e. light emitting diode Dk in figure, its anodal other end that connects the first capacitor C 1;
The second resistance R 2, its one end connects the negative pole of indication LED, and its other end connects anode power cord;
Wherein, detection signal is to be applied to exchange LVPS signal in the input of cathode power supply line and anode power cord, and the voltage of ac low-voltage power supply signal is lower than the conducting voltage of each LED lamp string, higher than the conducting voltage of indication LED.Thereby, when applying this detection signal in the input of cathode power supply line and anode power cord, can make indication LED (light-emitting diodes Dk) be lit, and all LED in each LED lamp string can not be lit, thereby can determine at an easy rate clipped position.
From above-mentioned Fig. 6 and Fig. 7, can find out, when shearing position indicating circuit and adopt the structure of the first electric capacity, indication LED and the second resistance R 2, the closure of indication LED is very flexibly, only need in cathode power supply line and anode power cord input, apply ac low-voltage power supply signal and can realize lighting of indication LED.
Be understandable that, in the LED lamp band shown in above-mentioned Fig. 4 to Fig. 7, on flexible PCB plate, can be coated with PVC adhesive tape (plastic cement or silica gel), on near the PVC adhesive tape surface indicating circuit of shearing position, be provided with and shear sign, particularly, this shearing sign can be set in the position over against this indication LED, also this shearing sign can be set in the position with this indication LED distance one fixed range (as L).
Implement the utility model embodiment, there is following beneficial effect:
Between adjacent two LED lamp strings of LED lamp band, be provided with the shearing position indicating circuit that at least includes an indication LED, while applying a detection signal by indicating to this shearing position, can make this indication LED light, and all LED in each LED lamp string in this LED lamp band can not be lit, can near this indication LED, determine clipped position; Thereby can facilitate and indicate exactly clipped position.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (5)
1. a LED lamp band, is characterized in that, comprising:
Flexible PCB plate;
Be arranged at cathode power supply line and anode power cord on described flexible PCB plate;
Many the LED lamp strings that formed by a plurality of LED serial connections; Described many LED lamp string intervals arrange, and the two ends of each LED lamp string connect described cathode power supply line and anode power cord respectively;
Be arranged on the shearing position indicating circuit between adjacent two LED lamp strings, described shearing position indicating circuit at least comprises an indication LED, described two ends of shearing position indicating circuit connect respectively described cathode power supply line and anode power cord, and when applying a detection signal to described cathode power supply line and anode power cord, only described indication LED is lit.
2. LED lamp band as claimed in claim 1, is characterized in that, described shearing position indicating circuit comprises:
Indication LED, the described anode power cord of its anodal connection;
Current-limiting resistance, its one end connects the negative pole of described indication LED, and its other end connects described cathode power supply line;
Wherein, described detection signal is the reverse DC power signal being applied in described cathode power supply line and anode power cord input, and the voltage of described reverse DC power signal is higher than the forward conduction voltage of described indication LED.
3. LED lamp band as claimed in claim 1, is characterized in that, described shearing position indicating circuit comprises:
The first electric capacity, its one end connects described anode power cord;
Indication LED, its anodal other end that connects described the first electric capacity;
The second resistance, its one end connects the negative pole of described indication LED, and its other end connects described cathode power supply line;
Wherein, described detection signal is to be applied to exchange LVPS signal in the input of described cathode power supply line and anode power cord, the voltage of described ac low-voltage power supply signal is lower than the conducting voltage of described each LED lamp string, higher than the conducting voltage of described indication LED.
4. LED lamp band as claimed in claim 1, is characterized in that, described shearing position indicating circuit comprises:
The first electric capacity, its one end connects described cathode power supply line;
Indication LED, its anodal other end that connects described the first electric capacity;
The second resistance, its one end connects the negative pole of described indication LED, and its other end connects described anode power cord;
Wherein, described detection signal is to be applied to exchange LVPS signal in the input of described cathode power supply line and anode power cord, the voltage of described ac low-voltage power supply signal is lower than the conducting voltage of described each LED lamp string, higher than the conducting voltage of described indication LED.
5. the LED lamp band as described in claim 1-4 any one, is characterized in that, on described flexible PCB plate, is coated with PVC adhesive tape, near the PVC adhesive tape surface indicating circuit of described shearing position, is provided with and shears sign.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128682.XU CN203757477U (en) | 2014-03-21 | 2014-03-21 | LED lamp strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128682.XU CN203757477U (en) | 2014-03-21 | 2014-03-21 | LED lamp strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203757477U true CN203757477U (en) | 2014-08-06 |
Family
ID=51252747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420128682.XU Expired - Fee Related CN203757477U (en) | 2014-03-21 | 2014-03-21 | LED lamp strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203757477U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461638A (en) * | 2017-08-16 | 2017-12-12 | 广东欧曼科技股份有限公司 | A kind of soft lamp plate and the neon lamp belt using the soft lamp plate |
| CN107835539A (en) * | 2017-10-09 | 2018-03-23 | 中山市光兴照明科技有限公司 | A kind of novel LED lamp band |
| WO2020043727A1 (en) * | 2018-08-31 | 2020-03-05 | Signify Holding B.V. | Solid state element lighting strip design |
-
2014
- 2014-03-21 CN CN201420128682.XU patent/CN203757477U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461638A (en) * | 2017-08-16 | 2017-12-12 | 广东欧曼科技股份有限公司 | A kind of soft lamp plate and the neon lamp belt using the soft lamp plate |
| CN107835539A (en) * | 2017-10-09 | 2018-03-23 | 中山市光兴照明科技有限公司 | A kind of novel LED lamp band |
| CN107835539B (en) * | 2017-10-09 | 2019-08-02 | 中山市光兴照明科技有限公司 | A kind of novel LED lamp band |
| WO2020043727A1 (en) * | 2018-08-31 | 2020-03-05 | Signify Holding B.V. | Solid state element lighting strip design |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170214 Address after: Sha Tian Zhen Tian tou Cun 516200 in Guangdong province Huizhou city Huiyang District Patentee after: Huizhou Collier photoelectric Co., Ltd. Address before: 518000 Nanshan District overseas Chinese town, Guangdong, swan Fort K-3D Patentee before: Liu Changgui |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20200321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |