CN212034404U - External control LED lamp strip structure - Google Patents

Abstract

The utility model provides an external control LED lamp area structure relates to LED technical field, and through adopting including the LED lamp area body, power, controller and double-shielded net twine, power and LED lamp area body electric connection, controller pass through double-shielded net twine and LED lamp area body electric connection, and double-shielded net twine and the technical scheme of the earthing terminal short circuit of power have anti-interference effectual, and the structure principle is simple, is fit for the characteristics of popularization.

Description

External control LED lamp strip structure

Technical Field

The utility model relates to a LED technical field particularly, relates to an outer accuse LED lamp area structure.

Background

A Light Emitting Diode (LED) is a semiconductor device. The LED board is used as an indicator light and a display LED board at the beginning; with the advent of LED white LEDs, they have also been used as illumination.

The LED is called as a fourth generation illumination light source or a green light source, has the characteristics of energy conservation, environmental protection, long service life, small volume and the like, and is widely applied to the fields of various indications, display, decoration, backlight sources, common illumination, urban night scenes and the like. According to different use functions, the system can be divided into five categories of information display, signal lamps, vehicle lamps, liquid crystal display backlight sources and general illumination. Under the promotion of factors such as policy and navigation protection and sales promotion, the LED becomes one of the investment hotspots of the recent capital market, wherein the phenomena of the new sea welfare, the good luck science and technology and the like are in the rush. Since the fourth quarter is the peak period of product consumption such as LED lighting, television, etc., the sales of upstream component industries are also periodically rising. The LED product is mainly applied to three fields of backlight sources, color screens and indoor illumination. Since backlights are the largest market for LEDs in the present day, the LED industry has been driven to grow at a high rate in recent years. Under the influence of factors such as product price reduction and the rise of a new round of global prohibited incandescent lamp, indoor illumination will replace a backlight source to become the fastest growing subdivision field of LEDs in the future. In addition, in recent years, under the drive of product upgrading factors such as a small-spacing display screen, the speed of an LED product is increased continuously, and the trend of steady increase is presented. In sum, the total demand of the LEDs will continuously increase in the future, and relevant companies have medium and long-term investment values.

The LED strip is a product in which LEDs are mounted on a strip-shaped FPC (flexible printed circuit) or PCB (printed circuit board), and is named as a strip because the product is shaped like a strip. Because the service life is long (the normal service life is generally 8-10 ten thousand hours), the energy is saved, the environment is protected, and the method gradually exposes the corners in various decoration industries. The external control refers to a control mode of the LED lamp belt, in which a chip with a variable effect program is externally arranged in a controller. Generally, a project using a plurality of LED strips is easily interfered by an external environment to generate a signal interference, which is usually represented as a time sequence disorder or a color disorder of an external control LED strip variation effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an external control LED lamp area structure, it can be directed against the not enough of prior art, proposes the solution, has anti-interference effectual, and characteristics that the structure principle is simple are applicable to LED technical field.

The embodiment of the utility model is realized like this:

the utility model provides an external control LED lamp area structure, includes the LED lamp area body, power, controller and double-shielded net twine, power and LED lamp area body electric connection, the controller through double-shielded net twine with LED lamp area body electric connection, double-shielded net twine with the earthing terminal short circuit of power.

The utility model discloses an in some embodiments, above-mentioned double-shielded net twine includes the transmission net twine, the parcel is provided with the metal foil layer on the transmission net twine, still be provided with the metal mesh layer outside the metal foil layer.

In some embodiments of the present invention, the transmission network cable includes a plurality of twisted pairs, each twisted pair is two copper core wires, two of the copper core wires are used as a signal transmission line, and are electrically connected to the data terminal of the controller and the LED lamp strip respectively, and are two of the copper core wires are used as a signal ground wire and are electrically connected to the grounding terminals of the controller and the LED lamp strip respectively.

In some embodiments of the present invention, the signal ground line is short-circuited to the ground terminal of the power supply.

In some embodiments of the present invention, the output voltage of the power supply is 4.5v-5.5 v.

In some embodiments of the utility model, above-mentioned LED lamp takes the body operating voltage with power output voltage cooperates.

In some embodiments of the present invention, the input voltage of the power input terminal is AC 200V-220V.

In some embodiments of the present invention, the controller includes a wireless LED controller, and the controller has no less than 10 built-in modes.

In some embodiments of the present invention, the LED lamp strip includes an IC-WS 2812.

In some embodiments of the present invention, the operating temperature of the LED lamp strip body is-20 ℃ - +70 ℃.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

the effect is one, and the anti-interference effect is good. The utility model discloses a set up LED lamp area body, power, controller and double-shielded net twine, power and LED lamp area body electric connection, the controller is through double-shielded net twine and LED lamp area body electric connection, double-shielded net twine and the earthing terminal short circuit of power; the utility model discloses utilize double-shielded net twine to replace the stranded electric wire that general LED lamp area used as the signal transmission line between controller and the LED lamp area body, because the special nature of double-shielded net twine, have very good isolation and shielding effect to outside interference and noise, improved the security and the interference killing feature of external control LED lamp area signal transmission, especially under the condition that lamp area signal needs long distance transmission, this kind of advantage is especially obvious; on the other hand, the ground terminal of the power supply is in short circuit with the double-shielding network cable (the signal ground wire connecting the controller and the LED lamp strip), and because the ground wire has impedance, when current flows through the ground wire, voltage is generated on the ground wire, which causes generation of ground wire noise. The circuit can be balanced by adopting a ground wire short circuit mode, so that the aim of reducing ground wire interference is fulfilled, and the interference is further reduced; therefore, the utility model has the characteristics of the interference killing feature is good.

And the effect is two, and the structure principle is simple. The utility model has the advantages that the LED lamp strip body, the power supply, the controller and the double-shielding network cable are arranged, the power supply is electrically connected with the LED lamp strip body, the controller is electrically connected with the LED lamp strip body through the double-shielding network cable, and the double-shielding network cable is in short connection with the grounding end of the power supply, so that the improvement of two aspects is realized; firstly, a double-shielding net wire replaces a plurality of wires used by a common LED lamp strip to serve as a signal transmission line between a controller and an LED lamp strip body; and secondly, carrying out short circuit on the ground wire in the double-shielding network wire and the power supply. Additional structures and devices are not added, wires are replaced by the double-shielding net wires, the principle is popular and easy to understand, additional cost is not added, the transformation cost is low, and the double-shielding net wire is very suitable for being popularized and used in the field.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the connection of the overall structure of the embodiment of the present invention;

fig. 2 is the schematic diagram of the internal circuit of the double-shielded network cable according to the embodiment of the present invention.

Icon: the LED lamp comprises a power supply 1, a controller 2, a double-shielding network cable 3, an LED lamp strip 4, a signal ground wire 5 and a signal transmission line 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship indicated by the terms orientation word (such as above, inside, outside) and the like is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the product of the present invention is usually placed when in use, and is only for convenience of description and simplification of the description, but does not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1-2, specifically, fig. 1-2 show an external control LED strip structure.

As shown in fig. 1, this embodiment provides an external control LED lamp strip structure, including the LED lamp strip body 4, power 1, controller 2 and double-shielded network cable 3, power 1 and the LED lamp strip body 4 electric connection, controller 2 is through double-shielded network cable 3 and the LED lamp strip body 4 electric connection, and double-shielded network cable 3 is short-circuited with the earthing terminal of power 1. The utility model discloses an utilize double-shielded net twine 3 to replace stranded electric wire that general LED lamp area used as signal transmission line 6 between controller 2 and the LED lamp area body 4, because double-shielded net twine 3's special property (double-deck shielding, current double-shielded net twine 3 can shield off high frequency interference and low frequency interference generally), interference and noise to the outside have very good isolated and shielding effect, the security and the interference killing feature of outer accuse LED lamp area signal transmission have been improved, especially under the condition that lamp area signal needs long distance transmission, this kind of advantage is especially obvious, thereby avoid the chronogenesis disorder or the colour disorder of outer accuse LED lamp area change effect, influence LED's lamp area expression effect. The ground of the double-shielded network wire 3 is also grounded by short-circuiting the ground of the double-shielded network wire 3 to the ground of the power supply 1, and because the ground has impedance, when current flows through the ground, voltage is generated on the ground, which causes the generation of ground noise. The ground wire short circuit mode in the double-shielding network wire 3 is adopted to balance the circuit, the purpose of reducing ground wire interference is achieved, interference is further reduced, signal transmission quality is improved, and therefore display stability of the LED lamp strip is improved.

It should be noted that, in this embodiment, the double-shielded network cable 3 includes a transmission network cable, a metal foil layer is wrapped on the transmission network cable, where the metal foil layer is a metal aluminum foil layer, and a metal network layer, here a copper wire metal mesh grid, is further disposed outside the metal aluminum foil layer. The metal aluminum foil layer has the main function of shielding and preventing high-frequency interference, and the copper wire metal mesh grid has the main function of better shielding low-frequency interference.

As shown in fig. 2, the transmission network cable includes a plurality of twisted pairs, in this embodiment, four twisted pairs, each twisted pair is two copper wires, one of the two copper wires is used as a signal transmission line 6 and is electrically connected to the controller 2 and the data end of the LED light band 4 respectively to perform signal transmission and communication, and the other of the two copper wires is used as a signal ground line 5 and is electrically connected to the ground ends of the controller 2 and the LED light band 4 respectively. Since the twisted pairs are formed by winding a plurality of twisted pairs, four twisted pairs are spread out for convenience of understanding, and in practice, one twisted pair may be arbitrarily selected, as shown in fig. 2. Furthermore, the signal ground wire 5 of the present invention is short-circuited to the ground terminal of the power supply 1.

In some embodiments of the present invention, the output voltage of the power supply 1 is 4.5v-5.5 v. The power supply 1 supplies power for the LED lamp strip body 4, and the output voltage of the power supply 1 in the embodiment is 5V. In actual conditions, above-mentioned LED lamp belt body 4 operating voltage must cooperate with power 1 output voltage, for the cooperation of selecting of power 1, must refer to the specific operating voltage of LED lamp belt body 4 and decide for promptly, and both must the adaptation, just can guarantee LED lamp belt body 4 job stabilization.

In some embodiments of the present invention, the input voltage of the input terminal of the power supply 1 is AC 200V-220V. In actual conditions, the input voltage of the input end of power supply 1 is generally decided according to the specific working parameters of power supply 1, and the input voltage of most power supply 1 adaptations at present is AC200V-220V, the technology of this kind of product is mature, and purchasing cost is not high, consequently the utility model has the characteristics of use cost is not high, is fit for promoting.

In some embodiments of the present invention, the controller 2 includes a wireless LED controller 2, and the built-in modes of the controller 2 are not lower than 10. In the market, the controller 2 of LED lamp area is various, has various models, and the product is numerous. With the development of LED technology, the controller 2 tends to the wirelessly controlled controller 2, and the number of built-in modes is more and more, and instead of being limited to the former two or three, the existing controller 2 can provide a plurality of control modes, generally not less than 6. In this embodiment, the controller 2 is a wireless controller 2, and the controller 2 can be controlled by a remote controller to adjust the switching of the built-in modes, where the number of the built-in modes is 10, and it should be specifically noted that the description of the controller 2 here is only a specific description of one of the controllers 2, and is not intended to limit the model and style of the controller 2 and the number of the built-in modes inside the controller 2.

In some embodiments of the present invention, the LED lamp strip 4 comprises an IC-WS 2812. The WS2812 is an intelligent external control LED light source integrating a control circuit and a lighting circuit. The control circuit and the RGB chip are integrated in a 5050 packaged component, and each component is a pixel point. The pixel point internally comprises an intelligent digital interface data latch signal shaping and amplifying driving circuit, a high-precision internal oscillator and a 5V high-voltage programmable constant current control part, and the color height consistency of pixel point light is effectively ensured. The data protocol adopts a single-wire return-to-zero code communication mode, after the pixel points are reset in a power-on mode, a DIN terminal (an internal circuit port is not shown) receives data transmitted from the controller 2, firstly, the transmitted 24-bit data is extracted by a first pixel point and then is transmitted to a data latch inside the pixel points, the rest data is shaped and amplified by an internal shaping processing circuit and then is transmitted to the next cascaded pixel point through a DO port (the internal circuit port is not shown), and the signal is reduced by 24 bits after each pixel point is transmitted. The pixel adopts the automatic shaping forwarding technology, so that the cascading number of the pixel is not limited by signal transmission, and only the requirement of signal transmission speed is limited.

In some embodiments of the present invention, the operating temperature of the LED light strip 4 is-20 ℃ - +70 ℃.

The utility model discloses principle is implemented in the work: at first when using, power 1 goes up the electricity and provides stable operating voltage for LED lamp area body 4, and simultaneously, controller 2 sends into operating power 1, starts, and controller 2 has connected LED lamp area through double-shielded net twine 3 in advance, connects GND end and DATA end respectively, carries out signal bottom line connection and signal transmission connection, and the signal bottom line is short circuit with power 1's earthing terminal, utilizes controller 2 to control LED lamp area bandwagon effect, adjust according to the demand in reality can.

To sum up, the utility model is provided with the LED lamp belt body 4, the power supply 1, the controller 2 and the double-shielding mesh wire 3, the power supply 1 is electrically connected with the LED lamp belt body 4, the controller 2 is electrically connected with the LED lamp belt body 4 through the double-shielding mesh wire 3, and the double-shielding mesh wire 3 is in short circuit with the grounding end of the power supply 1; the utility model discloses utilize double-shielded net twine 3 to replace the stranded electric wire that general LED lamp area used as signal transmission line 6 between controller 2 and LED lamp area 4, because the special nature of double-shielded net twine 3, have very good isolation and shielding effect to outside interference and noise, improved the security and the interference killing feature of external control LED lamp area signal transmission, especially under the condition that lamp area signal needs long distance transmission, this kind of advantage is especially obvious; on the other hand, the ground terminal of the power supply 1 is short-circuited with the double-shielded network cable 3 (the signal ground 5 connecting the controller 2 and the LED strip 4), and since the ground has impedance, when current flows through the ground, voltage is generated on the ground, which results in generation of ground noise. The circuit can be balanced by adopting a ground wire short circuit mode, so that the aim of reducing ground wire interference is fulfilled, and the interference is further reduced; therefore, the utility model has the characteristics of the interference killing feature is good. Similarly, the LED lamp is improved in two aspects by the technical scheme that the LED lamp strip body 4, the power supply 1, the controller 2 and the double-shielding network cable 3 are arranged, the power supply 1 is electrically connected with the LED lamp strip body 4, the controller 2 is electrically connected with the LED lamp strip body 4 through the double-shielding network cable 3, and the double-shielding network cable 3 is in short circuit with the grounding end of the power supply 1; firstly, a double-shielding net wire 3 replaces a plurality of wires used by a common LED lamp strip to be used as a signal transmission line 6 between a controller 2 and an LED lamp strip body 4; secondly, the ground wire in the double-shielded network wire 3 is short-circuited with the power supply 1. Additional structures and devices are not added, the double-shielding network cable 3 is used for replacing an electric wire, the principle is popular and easy to understand, additional cost is not added, the transformation cost is low, and the double-shielding network cable is very suitable for being popularized and used in the field. Finally, adopt the utility model discloses the LED lamp area circuit that constitutes has good oxidation resistance, from the long-term perspective, has reduced the potential safety hazard of power consumption, has improved the stability of whole circuit.

To sum up, the embodiment of the utility model provides a have that anti-interference effect is good, characteristics that the structure principle is simple, do not have the rampart of using widely, be applicable to LED technical field, be fit for using widely in this field.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an external control LED lamp area structure, its characterized in that, includes the LED lamp area body, power, controller and double-shielded net twine, power and LED lamp area body electric connection, the controller through double-shielded net twine with LED lamp area body electric connection, double-shielded net twine with the earthing terminal short circuit of power.

2. The external control LED lamp strip structure according to claim 1, wherein the double-shielding mesh wire comprises a transmission mesh wire, a metal foil layer is wrapped on the transmission mesh wire, and a metal mesh layer is further disposed outside the metal foil layer.

3. The external control LED lamp strip structure according to claim 2, wherein the transmission network cable comprises a plurality of twisted pairs, each twisted pair is two copper wires, one of the two copper wires is used as a signal transmission line, the signal transmission line is electrically connected to the controller and the data end of the LED lamp strip body, the other of the two copper wires is used as a signal ground, and the signal ground is electrically connected to the ground ends of the controller and the LED lamp strip body.

4. The external control LED strip structure according to claim 3, wherein the signal ground is shorted to a ground terminal of the power supply.

5. The external control LED strip structure according to claim 4, wherein the output voltage of the power supply is 4.5v-5.5 v.

6. The external control LED lamp strip structure according to claim 5, wherein the operating voltage of the LED lamp strip body is matched with the output voltage of the power supply.

7. The externally controlled LED strip structure according to claim 4, wherein the input voltage of the power input terminal is AC 200V-220V.

8. The externally controlled LED strip structure according to claim 1, wherein the controller comprises a wireless LED controller, and the controller has no less than 10 built-in modes.

9. The external control LED strip structure according to claim 1, wherein said LED strip body comprises an IC-WS2812 strip.

10. The external control LED strip structure according to claim 9, wherein the operating temperature of the LED strip body is-20 ℃ to +70 ℃.

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