CN209250920U - Rechargeable DMX512 invariable power decoder fluorescent tube - Google Patents
Rechargeable DMX512 invariable power decoder fluorescent tube Download PDFInfo
- Publication number
- CN209250920U CN209250920U CN201821655425.6U CN201821655425U CN209250920U CN 209250920 U CN209250920 U CN 209250920U CN 201821655425 U CN201821655425 U CN 201821655425U CN 209250920 U CN209250920 U CN 209250920U
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- Prior art keywords
- circuit
- dmx512
- micro controller
- constant
- signal level
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Abstract
The utility model discloses rechargeable DMX512 invariable power decoder fluorescent tubes, belong to DMX512 fluorescent tube field, rechargeable DMX512 invariable power decoder fluorescent tube, including lithium battery charging mould group, lithium battery charging mould group is connected with battery voltage regulator circuit, battery voltage regulator circuit is connected separately with constant current and constant power circuit and micro controller control circuit, constant current and constant power circuit connection has LED lamp drive circuit, LED lamp drive circuit exports 5 channel constant currents driving, micro controller control circuit is connected separately with energy content of battery detection and indicating circuit and key and digital-scroll technique initialization circuit, micro controller control circuit is connected with signal level shift circuit, DMX512 dim signal outside signal level shift circuit is inputted by signal level shift circuit, it realizes and exports 256 grades by the hardware of micro controller Constant-current dimming driving, easily match with 256 grades of light modulations of DMX512 signal, response speed is very fast, and constant current consistency is higher, it is relatively stable reliably.
Description
Technical field
The utility model relates to DMX512 fluorescent tube fields, more specifically to rechargeable DMX512 invariable power decoder
Fluorescent tube.
Background technique
DMX512 agreement is to be developed by USITT (theater technological associations, the U.S.) from console with standard digital to connect at first
The mode of mouth control light modulator, DMX512 has surmounted simulation system, but cannot replace simulation system completely, but DMX512 is because of its letter
Unisexuality, reliability and flexibility rapidly become the preferred agreement when fund allows.
DMX512LED Projecting Lamp is as its name suggests the LED projector lamp for having DMX512 control function, and English is entitled
DMX512LED Flood light is one kind of LED projector lamp, refers to the projecting environment of illumination on specified face to be illuminated
The lamps and lanterns of acceptable DMX512 control, also known as DMX512LED spotlight, DMX512LED projecting lamp, have light emitting angle, irradiation
The characteristic of adjustable angle, it can aim at any direction, and have the structure that climate condition does not influence, and be mainly used for big face
Product operation field mine, contour of building, stadium, viaduct, monument, park, flower bed and cabinet etc., therefore, nearly all room
The outer large area lighting lamps and lanterns used can all regard Projecting Lamp as
When the constant-current dimming driving of the PWM hardware output output 256 of existing micro controller, it is not easy 256 with DMX512 signal
Grade light modulation matches, and response speed is slow, and constant current consistency is poor, easily occurs to use accident during use.
Utility model content
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide rechargeable DMX512 invariable power solutions
Code device fluorescent tube, the hardware that micro controller may be implemented in it export 256 grades of constant-current dimming driving, easily 256 grades with DMX512 signal
Light modulation matches, and response speed is very fast, and constant current consistency is higher, relatively stable reliable.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
Rechargeable DMX512 invariable power decoder fluorescent tube, including lithium battery charging mould group, the lithium battery charging supply
Electric mould group is connected with battery voltage regulator circuit, and the battery voltage regulator circuit is connected separately with constant current and constant power circuit and micro controller control
Circuit, the constant current and constant power circuit connection have LED lamp drive circuit, and the LED lamp drive circuit exports 5 channel constant currents and drives
Dynamic, the micro controller control circuit is connected separately with energy content of battery detection and indicating circuit and key and digital-scroll technique setting electricity
Road, the micro controller control circuit are connected with signal level shift circuit, the DMX512 outside the signal level shift circuit
Dim signal is inputted by signal level shift circuit, realizes that the constant-current dimming for exporting 256 grades by the hardware of micro controller drives, easily
256 grades of light modulations with DMX512 signal match, and response speed is very fast, and constant current consistency is higher, relatively stable reliable.
Further, the signal level shift circuit is connected with signal lighting protection anti-static circuit, and DMX512 light modulation letter
It number needs to first pass through signal lighting protection anti-static circuit before incoming signal level conversion circuit, signal lighting protection anti-static circuit can be protected
Good product is not by the damage of electrostatic and thunder and lightning.
Further, the micro controller control circuit is connected with battery energy-saving circuit, when micro controller shutdown enters suspend mode shape
When state, unnecessary circuit power is turned off by pc port control, power consumption when complete machine shutdown is reduced, when extension battery uses
Between.
Further, the LED lamp drive circuit is connected with five road large-power LED light beads, and wherein large-power LED light bead is
The LED light of CW (warm white cool white) LED light tune or RGB (RGB) three primary colours, by the different brightness for controlling three primary colours
Show bright and colourful different colours.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
(1) this programme may be implemented by micro controller hardware export 256 grades constant-current dimming driving, easily with DMX512 signal
256 grades of light modulations match, response speed is very fast, and constant current consistency is higher, relatively stable reliable.
(2) signal level shift circuit is connected with signal lighting protection anti-static circuit, and DMX512 dim signal is believed in input
Need to first pass through signal lighting protection anti-static circuit before number level shifting circuit, signal lighting protection anti-static circuit can protect product not by
The damage of electrostatic and thunder and lightning.
(3) micro controller control circuit is connected with battery energy-saving circuit, when micro controller shutdown enters dormant state, passes through PC
Port controlling turns off unnecessary circuit power, reduces power consumption when complete machine shutdown, extends service time of battery.
(4) LED lamp drive circuit is connected with five road large-power LED light beads, and wherein large-power LED light bead is that (warm white is cold by CW
It is white) LED light of LED light tune or RGB (RGB) three primary colours, the different brightness by controlling three primary colours can show gorgeous
Colorful different colours.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model；
Fig. 2 is the constant current and constant power circuit diagram of the utility model；
Fig. 3 is the key and digital-scroll technique initialization circuit figure of the utility model；
Fig. 4 is the signal lighting protection anti-static circuit figure of the utility model；
Fig. 5 is the circuit voltage regulator circuit figure of the utility model；
Fig. 6 is the signal level shifting circuit figure of the utility model；
Fig. 7 is energy content of battery detection and indicating circuit figure.
Figure label explanation:
It is 1 lithium battery charging mould group, 2 battery voltage regulator circuits, 3 constant current and constant power circuits, 4LED lamp drive circuit, 5 micro-
Control device control circuit, the detection of 6 energy contents of battery and indicating circuit, 7 keys and digital-scroll technique initialization circuit, 8 battery energy-saving circuits, 9
Signal level shift circuit, 10 signal lighting protection anti-static circuits.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe；Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", " top/bottom end " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with
It is to be detachably connected, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be with
Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used
The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1:
Please refer to Fig. 1-7, rechargeable DMX512 invariable power decoder fluorescent tube, including lithium battery charging mould group 1, lithium electricity
Pond charging mould group 1 is integrated circuit power supply, and lithium battery charging mould group 1 is connected with battery voltage regulator circuit 2, input
For DC29V DC voltage a part through DC2 socket to lithium battery charging mould group 1, another part passes through anti-reverse diode D1,
By U3 switch-type stabilized chip pressure stabilizing, capacitor is filtered, and is provided for micro controller control circuit 5 and is stablized clean 5V voltage, electricity
Pond voltage regulator circuit 2 is connected separately with constant current and constant power circuit 3 and micro controller control circuit 5, and wherein constant current and constant power circuit 3 inputs
Direct current 26V voltage, constant electric current is converted to by chip U4 and peripheral cell, current value is set by resistance values such as R11 to R14
Fixed, voltage and current is constant, and the power of output is with regard to constant, and the DMX signal received is carried out program by micro controller control circuit 5
The decoding of change, then be compared with the address of setting, internal five PWM hardware export the Five-channel brightness value of the address, meanwhile,
It is communicated by I2C, display information is passed into U5 digital pipe display circuit and is shown, constant current and constant power circuit 3 is connected with LED
Lamp drive circuit 4, LED lamp drive circuit 4 export 5 channel constant currents driving, the five road PWM letter of 5 output end of micro controller control circuit
Number, the on-off of five tunnels pipe is controlled respectively, and the large-power LED light bead on five tunnels of driving shunts constant constant power electric current, guarantees
The normal work of LED lamp tube, and the presence of LED lamp drive circuit 4 is then to connect micro controller control circuit 5 and high-power
LED lamp bead, micro controller control circuit 5 are connected separately with energy content of battery detection and indicating circuit 6 and key and digital-scroll technique setting
Circuit 7, energy content of battery detection and indicating circuit 6 are to input micro-control from the port UAD after dividing by two R2 and R3 precision resistances
Device carries out sampling analysis, then the size of the energy content of battery, key and digital-scroll technique initialization circuit 7 are indicated by the speed of LED flashing
By 3 touch switch buttons, it is divided into different functions, 1-512 DMX512 address code can be inputted, 512 can be set
Address code can also input changing pattern number, pace of change and brightness etc. multiple functions, while by U5 chip drives 4
Charactron simultaneous display real-time status realizes that good man-machine information exchange, micro controller control circuit 5 are connected with signal level and turn
Circuit 9 is changed, the DMX512 dim signal outside signal level shift circuit 9 is inputted by signal level shift circuit 9, DMX512
Signal is the differential level signal of strong antijamming capability, need to be converted to micro controller control circuit 5 by signal level shift circuit 9 and know
Other Transistor-Transistor Logic level signal.
Signal level shift circuit 9 is connected with signal lighting protection anti-static circuit 10, and DMX512 dim signal is believed in input
It needs to first pass through signal lighting protection anti-static circuit 10 before number level shifting circuit 9, the DMX512 signal of input passes through runback fuse FA
With anti-thunder tube TVS1 and the TVS2 pressure limiting through Bidirectional lightning protection antistatic again after FB current limliting, the conversion of next stage signal level just can enter
Circuit 9, the DMX512 signal remotely to come, which has, incudes excessively high voltage, can prevent damage internal after the circuit protection
Component, micro controller control circuit 5 are connected with battery energy-saving circuit 8, when micro controller shutdown enters dormant state, pass through the end PC
Mouth controls PQ1 pipes and turns off unnecessary circuit powers, reduces power consumption when complete machine shutdown, extension service time of battery, LED light
There are five large-power LED light beads for the connection of driving circuit 4, and wherein large-power LED light bead is CW (warm white cool white) LED light tune or RGB
The LED light of (red-green-blue), the different brightness by controlling three primary colours can show bright and colourful different colours.
After product logical upper 29V direct current, on the one hand charged by interface DC2 to lithium battery charging mould group 1,
On the other hand being converted to constant electric current by constant current and constant power circuit 3 is supplied to LED lamp drive circuit 4, while by voltage regulation filtering
Circuit pressure stabilizing is supplied to micro controller control circuit 5, signal level shift circuit 9 and key and digital-scroll technique setting electricity to 5V voltage
Road 7, micro controller control circuit 5 it is electric after, program brings into operation, and operating status is come out by numeral method, if do not had
DMX512 signal is received, micro controller control circuit 5 exports different patterns according to the setting that touch key switchs and changes, real
Now from operational mode is surveyed, long-range DMX512 signal turns after the processing of signal lighting protection anti-static circuit 10 using signal level
It changes circuit 9 and enters micro controller control circuit 5, micro controller control circuit 5 once receives DMX512 signal and exits from survey operation
Mode decodes the brightness value of the Five-channel of the address according to pre-set address, exports control by internal hardware PWM
Driving FET output constant current processed removes driving high-power LED lamp, and 256 grades of perseverance is exported by the hardware PWM of micro controller
Stream light modulation driving, output 256 grades constant-current dimming driving, easily match with 256 grades of light modulations of DMX512 signal, response speed compared with
Fastly, constant current consistency is higher, and relatively stable reliable, lithium battery charging mould group 1 can store the electric energy of 8000mAH, micro-control
Device control circuit 5 facilitates charge and discharge to use by observation circuit real-time display energy content of battery situation.
The preferable specific embodiment of the above, only the utility model；But the protection scope of the utility model is not
It is confined to this.Anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its improvement design is subject to equivalent substitution or change, should all cover in the protection scope of the utility model
It is interior.
Claims (4)
1. rechargeable DMX512 invariable power decoder fluorescent tube, including lithium battery charging mould group (1), it is characterised in that: described
Lithium battery charging mould group (1) is connected with battery voltage regulator circuit (2), and the battery voltage regulator circuit (2) is connected separately with constant current
Invariable power circuit (3) and micro controller control circuit (5), the constant current and constant power circuit (3) are connected with LED lamp drive circuit (4),
The LED lamp drive circuit (4) exports 5 channel constant currents driving, and the micro controller control circuit (5) is connected separately with the energy content of battery
Detection and indicating circuit (6) and key and digital-scroll technique initialization circuit (7), the micro controller control circuit (5) are connected with signal
Level shifting circuit (9), the external DMX512 dim signal of the signal level shift circuit (9) convert electricity by signal level
Road (9) input.
2. rechargeable DMX512 invariable power decoder fluorescent tube according to claim 1, it is characterised in that: the signal level
Conversion circuit (9) is connected with signal lighting protection anti-static circuit (10), and DMX512 dim signal converts electricity in incoming signal level
It needs to first pass through signal lighting protection anti-static circuit (10) before road (9).
3. rechargeable DMX512 invariable power decoder fluorescent tube according to claim 1, it is characterised in that: the micro controller control
Circuit (5) processed is connected with battery energy-saving circuit (8).
4. rechargeable DMX512 invariable power decoder fluorescent tube according to claim 1, it is characterised in that: the LED light is driven
There are five large-power LED light beads for dynamic circuit (4) connection, and wherein large-power LED light bead is CW (warm white cool white) LED light tune or RGB
The LED light of (RGB) three primary colours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821655425.6U CN209250920U (en) | 2018-10-12 | 2018-10-12 | Rechargeable DMX512 invariable power decoder fluorescent tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821655425.6U CN209250920U (en) | 2018-10-12 | 2018-10-12 | Rechargeable DMX512 invariable power decoder fluorescent tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209250920U true CN209250920U (en) | 2019-08-13 |
Family
ID=67525014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821655425.6U Expired - Fee Related CN209250920U (en) | 2018-10-12 | 2018-10-12 | Rechargeable DMX512 invariable power decoder fluorescent tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209250920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112954845A (en) * | 2021-02-04 | 2021-06-11 | 上海晶丰明源半导体股份有限公司 | LED dimming control circuit, method, chip and lighting device |
-
2018
- 2018-10-12 CN CN201821655425.6U patent/CN209250920U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112954845A (en) * | 2021-02-04 | 2021-06-11 | 上海晶丰明源半导体股份有限公司 | LED dimming control circuit, method, chip and lighting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190813 |