CN109763763B

CN109763763B - Door and window protection implementation method

Info

Publication number: CN109763763B
Application number: CN201910236961.5A
Authority: CN
Inventors: 程文云; 阙姗
Original assignee: Fineky Co ltd
Current assignee: FINEKY Co.,Ltd.
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-11-27
Anticipated expiration: 2039-03-27
Also published as: CN109763763A

Abstract

The invention discloses a method for realizing door and window protection, which is characterized in that when a window is opened, a movable protective net is pulled out together, and the window is sealed by the protective net, so that the door and window protection is realized. The protection door and window is adopted and comprises a frame body (101) and a window sash (102), wherein the window sash is arranged on a first vertical side of the frame body; it is characterized by also comprising a movable protective net; the first end of the protective net is connected with the window sash, and the second end of the protective net is arranged on the second vertical side of the frame body; when the window sash is opened, the protective net can be pulled open to the first vertical side and seal the window; a reel (107) is arranged in the second vertical side of the frame body, the second end of the protective net is fixed on the reel, and a part of the protective net is wound on the reel; the first end of the protective net is connected with the window sash through a sliding block mechanism. The door and window protection implementation method is easy to implement and high in safety.

Description

Door and window protection implementation method

Technical Field

The invention relates to a method for realizing door and window protection.

Background

The safety of the door and window is very important, especially for the door and window of high-rise residence; tragedies that children fall from a high-rise building due to lack of protective nets for doors and windows are often reported;

although many existing doors and windows are provided with fixed protective windows, no matter manual doors and windows or automatic doors and windows do not have automatic protective windows; although the fixed protective window has a protective effect, the fixed protective window is not attractive enough, and if the window is closed, the protective net always blocks the window and also obstructs the open visual field;

therefore, there is a need for an automatic method for protecting windows and doors that can be opened and closed flexibly.

Disclosure of Invention

The invention aims to provide a door and window protection implementation method which can be automatically started when a window is opened, has high safety and does not affect the appearance when the window is closed.

The technical solution of the invention is as follows:

a method for realizing door and window protection is characterized in that when a window is opened, a movable protective net is pulled out together, and the window is sealed by the protective net, so that the door and window protection is realized.

The protection door and window is adopted and comprises a frame body (101) and a window sash (102), wherein the window sash is arranged on a first vertical side of the frame body; it is characterized by also comprising a movable protective net;

the first end of the protective net is connected with the window sash, and the second end of the protective net is arranged on the second vertical side of the frame body; when the window sash is opened, the protective net can be pulled open to the first vertical side and seal the window;

a reel (107) is arranged in the second vertical side of the frame body, the second end of the protective net is fixed on the reel, and a part of the protective net is wound on the reel; the reel is provided with a torsion spring, so that the protective net can be wound on the reel when the second end of the protective net is not subjected to external force;

the first end of the protective net is connected with the window sash through a sliding block mechanism.

The sliding block mechanism comprises a sliding block (104), and a transverse sliding groove is formed in the sash window; the slide block can transversely slide along the sliding groove.

The sliding block mechanism comprises a sliding block (104), and a transverse sliding rail (103) is arranged on the sash window; the slide block can transversely slide along the slide rail.

The slide block mechanism is 2 sets and is respectively arranged at the upper end and the lower end of the window sash.

And a vertical bar is arranged at the second end of the protective net and is connected with 2 sets of sliding block mechanisms. The protective net is convenient to pull smoothly.

The protection net comprises a plurality of protection ropes (106) which are parallel to each other. The protective net can be a steel wire rope or a nylon rope, and can also be a nylon grid net.

The door and window is opened and closed manually or electrically; the electric is a chain type opening and closing mechanism.

The frame body is also provided with an electric open-close protective net.

Has the advantages that:

the door and window protection implementation method has the following advantages:

(1) by adopting the door and window, when the window is closed, the protective net is recycled into the window frame or the side part of the window frame, so that the light of the window cannot be blocked, and the attractiveness of the window cannot be influenced. When the window sash is opened, the window can be plugged in time by the protection net, and safety protection is provided for users.

(2) When the protective net is mechanically linked with the window sash, the window sash is driven by a power supply or manually, extra power is not needed for unfolding the protective net, and the linkage performance is good;

(3) when the protective net is driven by an independent electric mechanism, the protective net has the functions of automatic unfolding and closing, and the automation degree is high;

(4) the protective net adopts the design of preventing hands from being clamped; firstly, a proximity sensor (such as an infrared sensor or a magnetic induction switch) is arranged on the fixed side part of the window frame, and when the proximity sensor senses that a human body is close, a safe distance is reserved to prevent the hand from being clamped. In addition, a connecting rod is arranged between the connecting strip and the window frame, and the length of the connecting rod is the reserved safety width for preventing hands from being clamped; the safe width can prevent hands from being clamped and prevent children from falling out, and the safe width is set to be 6-10cm, preferably 8 cm.

(5) A resilient non-return member 105 in the chute or on the slide. The triangular elastic blocks preferably have one square angle larger than the other, so that the anti-back-off is realized and the sealing is more reliable. When the child needs to retreat, the child can do the operation with larger force, but the child cannot do the operation (open), so that the safety is better.

In addition, install the LED lamp on door and window, this kind of LED lamp that sets up on door and window has decorative effect, has following characteristics moreover:

(1) one plug connector has 2 functions, namely has a multiplexing function and is easy to use.

(2) When the contact pin is not used, the contact pin can be hidden in the plug connector, and when the hidden module is connected, an additional protruding part cannot be formed.

(3) The structure is simple and compact, the implementation is easy, and the locking mechanism is provided, and the connection is reliable.

(4) The plug is communicated with the socket through a wire, and the electrical functions are the same.

When the multiplexing plug connector is adopted, the plug and the socket can be flexibly switched through the rotating part, and the use is flexible and convenient. The plug-in components in the modules can rotate as a whole, and are convenient to connect with each other for asymmetric interfaces.

Therefore, the method for realizing the door and window protection has the advantages of ingenious conception, easy implementation and good flexibility.

Drawings

FIG. 1 is a schematic view of a protective door/window when not opened;

FIG. 2 is a schematic view of the structure of the protective door/window partially opened;

FIG. 3 is a schematic view of the structure of the protective door/window when fully opened;

FIG. 4 is a schematic view of the slider cooperating with the check member;

fig. 5 is a schematic view of the expansion of the protection net;

FIG. 6 is a schematic view of a motorized protective window;

FIG. 7 is a schematic view of a motor-driven deployment process of a transverse protective window;

FIG. 8 is a schematic view of a motor-driven deployment of a longitudinal protective window;

FIG. 9 is a schematic diagram of LED module driving;

fig. 10 is a schematic diagram of constant current charging.

FIG. 11 is a schematic view of the right-hand multiplexing jack with the jack facing outward;

FIG. 12 is a schematic view of the adjustment aperture location;

FIG. 13 is a schematic diagram of the docking of 2 multiplexing connectors;

FIG. 14 is a schematic view of a multiplexing connector as a rotary unit;

FIG. 15 is a schematic view of the position relationship between the reverse buckle and the insertion tube;

fig. 16 is a schematic diagram of a square LED module docking.

FIG. 17 is a schematic diagram of a regular hexagonal LED module butt joint;

fig. 18 is a schematic view of an LED module composed of regular hexagon-based LED modules;

FIG. 19 is a schematic diagram of an LED module composed of square-based LED modules;

FIG. 20 is a block diagram of a control system having a plurality of LED modules;

description of reference numerals: 101-frame, 102-sash, 103-slide rail, 104-slider, 105-check part, 106-protective rope, 107-reel, 108-second vertical side, 109-first vertical side. 110-protective net, 111-connecting strip and 112-connecting strip. 113-chain, 114-chain pusher mechanism. 115-wire winding motor, 116-pulling rope.

1-fixed part, 2-movable part, 3-rotating shaft, 4-plug, 5-socket, 6-bidirectional plug connector, 7-wire, 8-reverse buckle, 9-body, 10-through hole and 11-plug barrel.

12-USB socket, 13-mini USB socket. 14-LED lamp, 15-lamp plate, 16-first magnet, 17-second magnet, 18-third magnet. 19-adjustment holes.

Detailed Description

The invention will be described in further detail below with reference to the following figures and specific examples:

example 1:

firstly, the method comprises the following steps: as shown in fig. 1-8, a protective door and window comprises a frame 101 and a window sash 102, wherein the window sash is arranged on a first vertical side of the frame; it is characterized by also comprising a movable protective net;

the first end of the protective net is connected with the window sash, and the second end of the protective net is arranged on the second vertical side of the frame body;

when the window sash is opened, the protective net can be pulled open to the first vertical side and seal the window.

A reel 107 is arranged in the second vertical side of the frame body, the second end of the protective net is fixed on the reel, and a part of the protective net is wound on the reel; the reel is provided with a torsion spring, so that the protective net can be wound on the reel when the second end of the protective net is not subjected to external force;

The sliding block mechanism comprises a sliding block 104, and a transverse sliding groove is arranged on the sash window; the slide block can transversely slide along the sliding groove.

The sliding block mechanism comprises a sliding block 104, and a transverse sliding block 103 is arranged on the sash window; the slide block can transversely slide along the slide rail.

And a vertical bar is arranged at the second end of the protective net and is connected with 2 sets of sliding block mechanisms. The protective net is convenient to pull smoothly;

the protection net includes a plurality of protection ropes 106 parallel to each other. Can be a steel wire rope or a nylon rope.

The protective net can also be a nylon grid net

The door and window is opened and closed manually or electrically.

Preferably, the electric drive is a chain type opening and closing mechanism.

And secondly, the door and window protection implementation method is characterized in that when the window is opened, the movable protective net is pulled out together, and the window is sealed by the protective net, so that the door and window protection is implemented.

Thirdly, performing primary filtration; the electric protective door and window comprises a frame body 101 and a window sash 102, wherein the window sash is arranged on the frame body and is driven to open and close by a window sash driving mechanism; it is characterized by also comprising a live and electric protective net;

under the drive of the protective net driving mechanism, the protective net is linked with the window sash;

after the window sash is opened, the window is sealed by the protective net to play a protective role.

The window sash driving mechanism is a chain type push rod mechanism, utilizes a chain as a push rod and is the prior mature technology.

The electric protection door and window is characterized in that the protection net is opened and closed in the left-right direction or in the up-down direction.

In the electric protective door and window, the protective net driving mechanism is a motor-stay wire type driving mechanism.

The electric protection door and window further comprises an MCU, and the window sash driving mechanism and the protection net driving mechanism are connected with the MCU. An angle sensor is arranged at the hinged position of the window sash and the frame body; the angle sensor is connected with the MCU. The angle sensor detects that the window sash is opened, and the MCU controls the protective net to start to seal the window.

The front end of the protection net (the end in front when the protection net is started and moves) has a gap. The travel switch is prevented from being arranged on the handle clamping frame body, when the protective net reaches the position of the travel switch, the travel switch can be triggered, and after the travel switch is triggered, the protective net driving mechanism stops driving the protective net to act.

The protection net includes a plurality of protection ropes 106 parallel to each other.

On the other hand, a magnetic inductor or a pyroelectric infrared sensor and a camera for remote monitoring are arranged on the window, so that the window has an anti-theft monitoring function.

Fourthly, performing primary filtration; based on the electric door and window protection implementation method, the electric protection door and window is adopted, and when the door and window are opened, the protective net is synchronously opened, so that the window protection effect is achieved.

The LED lamp with the multiplexing connector clip is installed on a door window, and the specific introduction is as follows:

first, multiplex plug connector

As in fig. 11-17; a multiplexing connector comprises a fixed part 1 and a rotating part 2; the fixed part is provided with a concave part; the rotating part is arranged in the depressed part, is connected with the fixed part through the rotating shaft 3 and can rotate in the depressed part; the rotary part has a plug 4 and a socket 5; the plug and the socket are respectively arranged on 2 adjacent side surfaces of the rotating part; the plug or the socket can be selectively enabled to face outwards through the rotation of the rotating part; when the plug faces outwards, the multiplexing plug connector is used as a male connector, and when the socket faces outwards, the multiplexing plug connector is used as a female connector. The plug and the socket are electrically connected with a port or a lead on the fixing part, the port is a power port or a data port, and the lead is a power line or a data line. The electric connection mode is as follows: mode 1: electric power or data is transmitted through an FPC (flexible printed circuit board), similar to the electric connection in a flip phone, in a manner of 2: the rotating shaft is provided with a plurality of contacts along the axis direction, and the fixed part and the rotating part are electrically connected through the contacts;

the 2 adjacent side surfaces are perpendicular to each other.

The rotating part is arched (i.e. closed U-shaped), and may be in other shapes, such as polygon instead of circular arc part. The width of one side edge of the rotating part is the same as the diameter of the arc part of the rotating part, the width of the recess is equal to the diameter, and the length of the recess is greater than or equal to the total length of the rotating part, so that the rotating part and the plug can be completely hidden in the recess when the socket faces outwards, and the whole multiplexing plug connector can not extend outwards when the plug connector is not used; the biggest advantage of this mode is that every 90 degrees of rotation will be limited, thus ensuring that the interface is just opposite to the outside.

When the plug or the socket is outward, the plug or the socket is positioned at the middle position of the outer side of the multiplexing plug connector. The interface of 2 multiplexing plug connectors of being convenient for docks completely, and two plug connectors are parallel and level in the width direction after the butt joint.

The outer side of the multiplexing plug connector is provided with a first magnet 16; a second magnet 17 and a third magnet 18 are provided on the rotating portion;

the second magnet and the plug are positioned on the same side, and the third magnet and the socket are positioned on the same side. The effect of magnet is that when 2 multiplexing plug connectors dock, the socket or plug from top to bottom (or called about) all have magnet to catch, increases the reliability and the stability of grafting.

The socket is a USB interface, and the plug is a USB plug; or the socket is a TYPE C socket and the plug is a TYPE C plug. Other types of interfaces are also possible, preferably a symmetric interface of the type-c interface. Various charging interfaces and the like are also possible.

Second, as shown in fig. 16 to 19, an integrated plug module includes at least one multiplexing plug connector, and the multiplexing plug connector is the multiplexing plug connector.

Case 1: the integrated plug-in module is provided with a multiplexing plug-in connector, a memory is arranged in the integrated plug-in module, and a plug and a socket are USB interfaces. The integrated plug-in module is a USB flash disk.

The integrated plug-in module can also be an LED lamp at the moment, and can be matched with any USB connecting wire.

Case 2: the integrated plug-in module body is provided with a plurality of interfaces; the interface is at least one of a USB interface (universal large-size socket), an SD card socket, a MINI USB interface, a DPI socket and an GVI interface. The integrated plug-in module is used as an interface row (interface dock, interface expander) or card reader.

Referring to fig. 14, the multi-use plug connector is connected with the body of the integrated plug module as a whole rotating unit. The multiplex plug connector can rotate relative to the integrated plug-in module body integrally, so that the connection is more flexible; description of specific rotating structure: the inner end of the fixed part of the multiplexing plug connector is in a round table shape, the multiplexing plug connector is also provided with an inserting cylinder 11, the inserting cylinder is inserted into a depressed part of the integrated plug module body, namely a through hole 10, a wire 7 for transmitting data or electric energy passes through a hole in the inserting cylinder, and in order to prevent the inserting cylinder from separating from the through hole, the inner end of the inserting cylinder is provided with at least 2 back-off buttons 8 (4 in figure 15)

The rotating member is provided with an adjusting hole 19, see fig. 3, which is preferably a hexagon socket, a quadrangle socket, etc. to facilitate the use of other tools (such as a wrench, etc.) to rotate the rotating body, thereby changing the state of the interface (plug or socket).

Thirdly, an interface multiplexing method:

a method for multiplexing interfaces adopts a multiplexing plug connector; the interface switching is realized by the relative rotation of the fixed part 1 and the rotating part 2 in the multiplexing plug connector; the fixed part is provided with a concave part; the rotating part is arranged in the depressed part, is connected with the fixed part through the rotating shaft 3 and can rotate in the depressed part; the rotary part has a plug 4 and a socket 5; the plug and the socket are respectively arranged on 2 adjacent side surfaces of the rotating part; the plug or the socket can be selectively enabled to face outwards through the rotation of the rotating part; when the plug faces outwards, the multiplexing plug connector is used as a male connector, and when the socket faces outwards, the multiplexing plug connector is used as a female connector. The plug and the socket are electrically connected with a port or a lead on the fixing part, the port is a power port or a data port, and the lead is a power line or a data line. The interfaces are reliably butted through the magnet adsorption; when the multiplexing plug connector is a plurality of, the integrated plug connector module is used as a connector (plays a role in transferring signals or electric energy). The integrated plug-in module is a U disk or a mobile hard disk.

Fourth, LED module and LED module with multiplexing plug connector

An LED module with multiplexing plug connectors comprises a lamp panel 15 and at least one multiplexing plug connector 6 arranged on the lamp panel;

the lamp panel is provided with at least one LED lamp 14;

the multiplexing connector is one, and the LED module is used as the LED module at the end part.

Multiplexing plug connector is 2, sets up 2 ends at the lamp plate respectively.

The lamp panel is a linear lamp panel or an L-shaped lamp panel.

As shown in fig. 15-6, the lamp panel is a square lamp panel, and 3 or 4 sides of the square lamp panel are provided with multiplexing connectors. The lamp plate is regular hexagon lamp plate, all is equipped with multiplexing plug connector at regular hexagon lamp plate all sides.

The lamp panel is provided with an MCU; the MCU is connected with the multiplexing plug connector.

The multiplexing plug connector is an integral rotary multiplexing plug connector.

An LED module is formed by cascading a plurality of LED modules; the LED module is a lamp belt module or an array module; the lamp strip type module is formed by connecting a plurality of LED modules in series; a plurality of modules in the array module are arranged in multiple rows and multiple columns.

Fifth, control method of LED module with multiplexing plug connector

A control method of an LED module with a multiplexing plug connector comprises the following steps:

step 1: determining a control strategy based on the topology;

the LED module comprises an MCU and a plurality of LED modules with multiplexing plug connectors connected with the MCU; the LED modules with the multiplexing plug connectors are all connected in series, or are divided into a plurality of groups and then connected in series, and the LED modules in each group are connected in series;

the control strategy is a total control strategy or an independent control strategy;

the overall control refers to the synchronous control of all the LED modules, namely all the LED modules are simultaneously turned on and off, and if the specifications of the LED lamps are the same, the brightness and the color are the same in the aspect of control effect;

the independent control means that each LED module is independently controlled based on the bus, and the control of different LED modules is independent;

step 2: implementing control;

and the MCU sends a control command to the LED module according to the control strategy so as to control the LED module.

Each LED module is provided with a control unit, the MCU is connected with each control unit through a bus, and the control instruction sent by the MCU is provided with parameters related to brightness and color.

The LED module has 2-6 multiplexing plug connectors.

The registration of each LED module is realized by adopting an automatic identification strategy;

the MCU is connected with N luminous branches, and N is a natural number; and adjacent LED modules in each branch are connected in a communication mode, namely, in addition to the bus connection, an additional communication line and a communication mechanism (existing mature serial ports or IO ports and the like) are provided.

For a certain luminous branch, the first LED module connected with the MCU is registered as No. 1, the LED module sends registration information to the adjacent LED module, if the adjacent LED module receives the registration information, the LED module is registered as No. 2, the information is replied to the MCU, then the No. 2 LED module sends the registration information to the next adjacent LED module, and the rest is done in sequence, the MCU can automatically acquire the number of the LED modules of each branch after being electrified every time, and therefore control is implemented.

The MCU is connected with an external communication module, and the external communication module is used for being in communication connection with the remote control terminal.

The external communication module is a WiFi, 3G, 4G or 5G communication module.

The transmitted signals include a modulation signal including a brightness signal and a color signal, and a signal receiving circuit (prior art) in the LED module has a demodulation unit therein for demodulating the brightness signal and the color signal from the modulation signal and transmitting the signals to a main control circuit (MCU or controller of the LED module).

When in distributed control, each LED module is connected to a distributed bus, each lamp (LED module) has a unique identification code, each frame of command sent by a host computer to the bus comprises an identification code field, a brightness information field and a color information field, after each lamp receives information, whether the content in the identification code field is consistent with the identification code of the lamp is checked, if not, any processing is not carried out, and if so, the LED lamp is controlled according to the brightness information and the color information in the frame of command, so that the adjusting effect is realized.

The control method comprises the following steps:

step 1: initializing, wherein when each LED module is powered on, the main control circuit controls the LED lamp to be completely turned off or at a first power level (for example, 5-20% P, wherein P is the rated power of the LED lamp); the color is random or fixed to a certain color, such as blue.

Step 2: the host computer sends a control command;

and step 3: the LED module receives and analyzes the control command and controls the LED lamp according to the control command.

In step 2, the host sends control commands through a distributed bus, and each frame of control command comprises an identification code field, a brightness information field and a color information field;

in step 3, after each lamp receives the information, checking whether the content in the identification code field is consistent with the identification code of the lamp, if not, performing no processing, and if so, controlling the LED lamp according to the brightness information and the color information in the frame command to realize the regulation of brightness and color.

The brightness adjusting circuit and the color adjusting circuit are mature circuits. The color regulating circuit is a three-color lamp driving circuit, and the brightness regulating circuit is a PWM-based stepless brightness control circuit.

As shown in fig. 20 and 9, the Microprocessor (MCU) implements dimming of the multiple LED modules through the PWM dimming driving circuit; the MCU controls six LED branches through a switch K1-K6;

the light adjusting knob (potentiometer) is used for inputting brightness parameters; the button is used for controlling the switching of which one way or multichannel lamp, and communication module is used for receiving remote control, and light intensity sensor is illumination sensor promptly and is used for detecting on-the-spot environment light intensity to provide the reference for automatic light modulation.

The LED module is powered by a lithium battery, and a circuit for charging the lithium battery is a constant-current charging circuit and is used for efficiently charging the lithium battery.

As shown in fig. 10, the constant current charging circuit includes a constant voltage driving chip and a current feedback circuit; (1) the voltage output end of the constant voltage driving chip is a positive output end VOUT + of the constant current charging circuit; the negative output end of the constant voltage driving chip is grounded; the constant voltage driving chip is powered by a direct current voltage power supply end VIN + and VIN-; (2) the current feedback circuit comprises resistors R1, R2 and R5 and a reference voltage end VREF +; the reference voltage end VREF + is grounded through resistors R1, R2 and R5 which are sequentially connected in series; the connecting point of the resistor R5 and the resistor R2 is a negative output end VOUT < - >; the connection point of the resistors R1 and R2 is connected with the feedback terminal FB of the constant voltage driving chip. The constant current charging circuit also comprises a voltage feedback circuit; the voltage feedback circuit comprises resistors R3 and R4 and a diode D1; the resistors R3 and R4 are connected in series and then connected between the positive output end VOUT + of the constant current charging circuit and the ground; the connection point of the resistors R3 and R4 is connected with the anode of the diode D1; the cathode of the diode D1 is connected to the feedback terminal FB of the constant voltage driving chip.

In addition, a wireless charging device may be employed to charge the lithium battery.

Claims

1. A door and window protection realizing method is characterized in that when a window is opened, a movable protective net is pulled out together, and the window is sealed by the protective net, so that the protection of the door and the window is realized;

the protection door and window is adopted and comprises a frame body (101) and a window sash (102), wherein the window sash is arranged on a first vertical side of the frame body; also comprises a movable protective net;

when the window sash is opened, the protective net can be pulled to the first vertical side and the window is sealed;

the first end of the protective net is connected with the window sash through a sliding block mechanism;

the sliding block mechanism comprises a sliding block (104), and a transverse sliding groove is formed in the window sash; the sliding block can transversely slide along the sliding groove;

or the sliding block mechanism comprises a sliding block (104), and a transverse sliding rail (103) is arranged on the window sash; the sliding block can transversely slide along the sliding rail;

the slide block mechanism is 2 sets and is respectively arranged at the upper end and the lower end of the window sash;

a vertical bar is arranged at the first end of the protective net and is connected with 2 sets of sliding block mechanisms;

the protective net comprises a plurality of protective ropes (106) which are parallel to each other;

the door and window is opened and closed manually or electrically; the electric is a chain type opening and closing mechanism;

the frame body or the window sash is provided with an LED module; a constant-current charging circuit is adopted to charge the lithium battery, and the lithium battery supplies power for the LED module; the constant-current charging circuit comprises a constant-voltage driving chip and a current feedback circuit; (1) the voltage output end of the constant voltage driving chip is a positive output end VOUT + of the constant current charging circuit; the negative output end of the constant voltage driving chip is grounded; the constant voltage driving chip is powered by a direct current voltage power supply end VIN + and VIN-; (2) the current feedback circuit comprises resistors R1, R2 and R5 and a reference voltage end VREF +; the reference voltage end VREF + is grounded through resistors R1, R2 and R5 which are sequentially connected in series; the connecting point of the resistor R5 and the resistor R2 is a negative output end VOUT < - >; the connection point of the resistors R1 and R2 is connected with the feedback end FB of the constant voltage driving chip; the constant current charging circuit also comprises a voltage feedback circuit; the voltage feedback circuit comprises resistors R3 and R4 and a diode D1; the resistors R3 and R4 are connected in series and then connected between the positive output end VOUT + of the constant current charging circuit and the ground; the connection point of the resistors R3 and R4 is connected with the anode of the diode D1; the cathode of the diode D1 is connected with the feedback end FB of the constant voltage driving chip;

the control method of the LED module comprises the following steps:

step 1: initializing, wherein when each LED module is powered on, the main control circuit controls the LED lamp to be completely turned off or at a first power level; the color is random or fixed into a certain color;

step 2: the host computer sends a control command;

and step 3: the LED module receives and analyzes the control command and controls the LED lamp according to the control command;

in step 3, after each lamp receives the information, checking whether the content in the identification code field is consistent with the identification code of the lamp, if not, performing no processing, and if so, controlling the LED lamp according to the brightness information and the color information in the frame control command to realize the regulation of brightness and color;

the color regulating circuit is a three-color lamp driving circuit, and the brightness regulating circuit is a PWM-based stepless brightness control circuit;

the MCU sends a control command to the LED module according to the control strategy so as to control the LED module;

each LED module is provided with a control unit, the MCU is connected with each control unit through a bus, and the control command sent by the MCU is provided with parameters related to brightness and color;

the MCU is connected with N luminous branches, and N is a natural number; adjacent LED modules in each light-emitting branch are in communication connection, namely, an additional communication line and a communication mechanism are arranged besides bus connection;

for a certain light-emitting branch, the first LED module connected with the MCU is registered as No. 1, the LED module sends registration information to the adjacent LED module, if the adjacent LED module receives the registration information, the LED module is registered as No. 2, the information is replied to the MCU, then the No. 2 LED module sends the registration information to the next adjacent LED module, and the like, the MCU can automatically acquire the number of the LED modules of each light-emitting branch after being electrified every time, and therefore control is implemented.