CN109854975B - LED module and LED module based on contact pin-jack multiplex spare - Google Patents
LED module and LED module based on contact pin-jack multiplex spare Download PDFInfo
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- CN109854975B CN109854975B CN201910273640.2A CN201910273640A CN109854975B CN 109854975 B CN109854975 B CN 109854975B CN 201910273640 A CN201910273640 A CN 201910273640A CN 109854975 B CN109854975 B CN 109854975B
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Abstract
The invention discloses an LED module and an LED module based on a pin-jack multiplexing piece, and the LED module based on the pin-jack multiplexing piece is characterized by comprising a lamp panel and at least one pin-jack multiplexing piece arranged on the lamp panel; the lamp panel is provided with at least one LED lamp (14); the pin-jack multiplexing piece comprises a conductive seat (61) and a pin (65); the conductive seat is provided with a jack (62) matched with the pin; the rear end of the pin is connected with a push block (64); a first spring (63) is arranged between the push block and the conductive seat, and the first spring is a pressure spring; the rear side of the conductive seat is provided with a position avoiding guide space which is convenient for the push plate to slide; the length of the contact pin is greater than that of the through hole; the locking mechanism is further included, so that when the contact pin is pushed out, the contact pin can be prevented from backing. The LED module and the LED module based on the pin-jack multiplexing piece are easy to implement and flexible to use.
Description
Technical Field
The invention relates to an LED module based on a pin-jack multiplex piece and an LED module.
Background
The LED lamp is widely applied, and a plurality of LED modules are required to be combined for use in many cases;
chinese patent publication No. CN 207018835U discloses a modular LED light projecting lamp, in which connecting grooves are respectively formed around a square module, and the connection between adjacent modules is realized by connecting a sliding block and a screw, and this way requires an additional connecting part for connection, which is inconvenient to use and complicated to install.
In addition, the existing plug connector, such as a USB flash disk, only has one plug, is single in use and lacks flexibility in use.
Therefore, it is necessary to design a pin-and-socket-multiplexing-based LED module and an LED module.
Disclosure of Invention
The invention aims to provide an LED module and an LED module based on a pin-jack multiplexing piece, which have good flexibility.
The technical solution of the invention is as follows:
an LED module based on a pin-jack multiplexing piece comprises a lamp panel and at least one pin-jack multiplexing piece arranged on the lamp panel;
the lamp panel is provided with at least one LED lamp (14);
the pin-jack multiplexing piece comprises a conductive seat (61) and a pin (65);
the conductive seat is provided with a jack (62) matched with the pin;
the rear end of the pin is connected with a push block (64); a first spring (63) is arranged between the push block and the conductive seat, and the first spring is a pressure spring;
the rear side of the conductive seat is provided with a position avoiding guide space which is convenient for the push plate to slide;
the length of the contact pin is greater than the length (depth) of the through hole;
when the push plate is not subjected to external force, the contact pin is hidden in the through hole under the action of the first spring, and a space is reserved for the insertion of the external contact pin;
after the push plate is pushed by external force, the front end of the contact pin can penetrate through the through hole and extend out of the conductive seat;
the locking mechanism is further included, so that when the contact pin is pushed out, the contact pin can be prevented from backing.
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.
The lamp plate is square lamp plate, all is equipped with multiplexing plug connector at 3 sides or 4 sides of square lamp plate.
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 locking mechanism is a pressing type locking mechanism, is similar to a locking mechanism matched with the sd card slot and is pressed for locking for the first time, and then is pressed for unlocking and popping out;
or; the locking mechanism comprises a plurality of sets of backstop mechanisms with the same depth, each backstop mechanism comprises a backstop block (68), a guide blind hole (66) and a second spring (67) arranged in the guide blind hole, and the second springs are compression springs; the axis of the guide blind hole is vertical to the axis of the jack, and the outer end of the backstop block is provided with an outward slope and an inward slope.
An LED module is formed by cascading a plurality of LED modules; the LED module is the LED module.
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.
The pin-jack multiplexing piece is matched with the multiplexing plug connector for use.
The pin-jack multiplexing element can be used in combination with a memory; thereby forming a portable storage product such as a mobile hard disk and the like.
Has the advantages that:
the LED module and the LED module based on the contact pin-jack multiplexing piece have the following advantages:
(1) one plug-in unit has 2 functions, namely, a multiplexing function.
(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.
Therefore, the LED module and the LED module based on the pin-jack multiplexing piece have the advantages of ingenious conception, easy implementation and good flexibility.
In addition, 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.
Drawings
FIG. 1 is a schematic view (cross-sectional view) of a pin-jack multiplex with the pins hidden;
FIG. 2 is a schematic view (in cross-section) of the pin-socket complex with the pins extended;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of 2 pin-jack multiplexes mated together;
FIG. 5 is a schematic view of the pin-jack combination with the pin concealed;
FIG. 6 is a schematic view of the pin-jack combination with the pins extended;
FIG. 7 is a schematic diagram of a module with multiple pin-jack multiplexes;
FIG. 8 is a schematic diagram of a module of a multiple pin-and-socket multiplex (cross-sectional view);
FIG. 9 is a schematic diagram of a square LED module with a pin-and-socket multiplex;
FIG. 10 is a schematic view of a regular hexagonal LED module with a pin-socket multiplex;
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;
FIG. 21 is a schematic view of LED module driving;
fig. 22 is a schematic diagram of the constant current charging.
Description of reference numerals: 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.
60-multiplexing part, 61-conducting seat, 62-jack, 63-first spring, 64-pushing block, 65-pin, 66-guiding blind hole, 67-second spring and 68-backstop block.
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: referring to fig. 1 to 6, a pin-and-socket composite member includes a conductive socket 61 and a pin 65;
the conductive seat is provided with a jack 62 matched with the pin;
the rear end of the pin is connected with a push block 64; a first spring 63 is arranged between the push block and the conductive seat, and the first spring is a pressure spring;
the rear side of the conductive seat is provided with a position avoiding guide space which is convenient for the push plate to slide;
the length of the contact pin is greater than the length (depth) of the through hole;
when the push plate is not subjected to external force, the contact pin is hidden in the through hole under the action of the first spring, and a space is reserved for the insertion of the external contact pin;
after the push plate is pushed by external force, the front end of the contact pin can penetrate through the through hole and extend out of the conductive seat;
the locking mechanism is further included, so that when the contact pin is pushed out, the contact pin can be prevented from backing.
The locking mechanism is a push type locking mechanism, is similar to a locking mechanism matched with an SD card slot and an SD card, is locked by first pressing, and is unlocked and popped out by pressing again.
The locking mechanism comprises a plurality of sets of backstop mechanisms with the same depth, each backstop mechanism comprises a backstop block 68, a blind guide hole 66 and a second spring 67 arranged in the blind guide hole, and the second spring is a pressure spring; the axis of the guide blind hole is vertical to the axis of the jack, and the outer end of the backstop block is provided with an outward slope and an inward slope. The push block is pressed from outside to inside by using larger external force, so that the contact pin can be reset to the hidden mode. And the outward external force can make the ejector pad pass through the stopping block and then be clamped at the stopping block. Preferably, the inward ramp is less steep than the outward ramp, i.e., the inward ramp is easier to push outward and relatively less likely to back off, so that the pin has sufficient reliability.
Referring to fig. 7-8, a plurality of pin-jack multiplexers are used in groups, and the pin-jack multiplexers are arranged in a row or in 2 rows and columns.
The pin-jack multiplexing piece is arranged on the LED light-emitting module.
The pin-jack multiplexing piece is matched with the multiplexing plug connector for use.
Specifically, the contact pin and the socket are electrically connected with the data line to realize the transmission of data or electric energy, specifically, the prior art.
II, secondly: a pin-jack multiplexing connection method takes a pin-jack multiplexing piece as a multiplexing part;
when the contact pin is not acted by external force, the contact pin is hidden in the jack of the conductive seat of the contact pin-jack multiplexing piece, and a certain depth is preset at the outer end of the jack so as to be convenient for the insertion of the external contact pin, and at the moment, the contact pin-jack multiplexing piece can be used as a contact pin piece;
under the action of external force, the contact pin extends out of the jack, so that the contact pin-jack composite piece can be used as a socket piece.
Thirdly, performing primary filtration; an LED module based on a pin-jack multiplexing piece comprises a lamp panel and at least one pin-jack multiplexing piece 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.
If fig. 9 and fig. 18, the lamp plate is square, and 3 sides or 4 sides at square lamp plate all are equipped with multiplexing plug connector.
Like fig. 10 and 19, the lamp plate is the 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.
Fourthly, the method comprises the following steps: 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.
Fifthly: a control method of an LED module based on a pin-jack multiplexing piece 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 which are connected with the MCU and provided with pin-jack multiplexing pieces; the LED modules with the pin-jack multiplexing parts 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; the adjacent LED modules in each branch are communicatively connected, i.e. in addition to the bus connection, there is an additional communication mechanism.
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.
In addition, the related art about the multiplexing plug connector is introduced 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 fixing 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 recess part, namely a through hole 10, of the integrated plug module body, a wire 7 used for transmitting data or electric energy penetrates through a hole in the inserting cylinder, and in order to prevent the inserting cylinder from being separated from the through hole, at least 2 reverse buckles 8 (4 in figure 15) are arranged at the inner end of the inserting cylinder.
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.
If fig. 16, the lamp plate is square lamp plate, all is equipped with multiplexing plug connector at 3 sides or 4 sides of square lamp plate. If fig. 17, 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 21, 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. 22, 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)
1. An LED module is characterized in that the LED module is formed by cascading a plurality of LED modules; the LED module is based on a pin-jack multiplex piece;
the LED module based on the pin-jack multiplexing piece comprises a lamp panel and at least one pin-jack multiplexing piece arranged on the lamp panel;
the lamp panel is provided with at least one LED lamp (14);
the pin-jack multiplexing piece comprises a conductive seat (61) and a pin (65);
the conductive seat is provided with a jack (62) matched with the pin;
the rear end of the pin is connected with a push block (64); a first spring (63) is arranged between the push block and the conductive seat, and the first spring is a pressure spring;
the rear side of the conductive seat is provided with a position avoiding guide space which is convenient for the push plate to slide;
the length of the contact pin is greater than that of the through hole;
when the push plate is not subjected to external force, the contact pin is hidden in the through hole under the action of the first spring, and a space is reserved for the insertion of the external contact pin;
after the push plate is pushed by external force, the front end of the contact pin can penetrate through the through hole and extend out of the conductive seat;
the locking mechanism is also included, so that when the contact pin is pushed out, the contact pin can be prevented from backing;
the pin-jack multiplexing piece is one, and the LED module is used as an LED module at the end part;
or, the number of the pin-jack multiplexing pieces is 2, and the pin-jack multiplexing pieces are respectively arranged at 2 ends of the lamp panel;
the lamp panel is a square lamp panel, and pin-jack multiplexing parts are arranged on 3 sides or 4 sides of the square lamp panel;
or the lamp panel is a regular hexagon lamp panel, and all the side edges of the regular hexagon lamp panel are provided with the pin-jack multiplexing pieces;
the lamp panel is provided with an MCU; the MCU is connected with the multiplexing plug connector;
the locking mechanism is a pressing type locking mechanism;
or; the locking mechanism comprises a plurality of sets of backstop mechanisms with the same depth, each backstop mechanism comprises a backstop block (68), a guide blind hole (66) and a second spring (67) arranged in the guide blind hole, and the second springs are compression springs; the axis of the guide blind hole is vertical to the axis of the jack, and the outer end of the backstop block is provided with an outward slope and an inward slope;
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;
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 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;
for a certain light-emitting branch, a first LED module connected with the MCU is registered as No. 1, the LED module sends registration information to an 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 the same way, 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 which 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 comprise modulation signals of a brightness signal and a color signal, and a signal receiving circuit in the LED module is provided with a demodulation unit which is used for demodulating the brightness signal and the color signal from the modulation signals and sending the signals to a main control circuit; during distributed control, each LED module is connected to a distributed bus, each LED module has a unique identification code, each frame of command sent to the bus by a host computer 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; 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 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, according to the brightness information and the color information in the frame command;
the LED lamps are controlled to realize the adjustment of brightness and color;
the lamp panel is provided with a multiplexing connector;
the multiplexing plug connector comprises a fixed part and a rotating part; 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 rotating part is provided with a plug and a socket; 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 jack 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: transmit power or data through the FPC, mode 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 vertical to each other; the rotating part is arched, 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 connector can be limited by rotating 90 degrees every time, so that the connector is ensured to be over against the outer side; when the plug or the socket is outward, the plug or the socket is positioned in the middle of the outer side of the multiplexing plug connector; the interfaces of the 2 multiplexing plug connectors are conveniently and completely butted, and the two butted plug connectors are flush in the width direction; the outer side part of the multiplexing connector clip is provided with a first magnet; a second magnet and a third magnet are arranged on the rotating part; 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 magnet has the effect that when the 2 multiplexing plug connectors are in butt joint, the upper part and the lower part of the socket or the plug are attracted by the magnet, so that the reliability and the stability of the plug connection are improved; 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.
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