CN203261525U - Output frequency setting device of DMX decoder - Google Patents
Output frequency setting device of DMX decoder Download PDFInfo
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- CN203261525U CN203261525U CN2013201874719U CN201320187471U CN203261525U CN 203261525 U CN203261525 U CN 203261525U CN 2013201874719 U CN2013201874719 U CN 2013201874719U CN 201320187471 U CN201320187471 U CN 201320187471U CN 203261525 U CN203261525 U CN 203261525U
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- setting device
- output frequency
- frequency setting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides an output frequency setting device of a DMX decoder, comprising a frequency adjusting and processing unit, an MOS tube (1) and an LED light bar (2), wherein the frequency adjusting and processing unit is connected with input ends of the MOS tube (1), and an output end of the MOS tube (1) is connected with the LED light bar (2). The output frequency setting device of the DMX decoder has the beneficial effects: the output frequency setting device is simple in structure and has the characteristics of high human-computer interaction efficiency and good human-computer interaction reliability; the refresh rate of the LED light bar can be improved to meet the requirements of different application scenarios and different shooting equipment environments; the range of application is expanded; and an effect of LED brightening is achieved.
Description
Technical field
The utility model relates to DMX decoder field, relates in particular to the output frequency setting device of DMX decoder.
Background technology
The present decoder that does not need a DMX with the LED lamp bar of IC in access DMX control system, the function that decoder is finished are to carry out DMX decoding and output pwm signal to LED lamp bar, to reach different variation effects.And each DMX decoder can be exported the pwm signal of fixed frequency to metal-oxide-semiconductor, and then the output of metal-oxide-semiconductor is being received on the LED lamp bar, if the lamp bar of control RGB, that just needs 3 road pwm signals.The PWM frequency of the decoder in the industry is fixed at present, and substantially all be below 10kHz, the fixing mode of this frequency can cause in different LED brightness and gray scale, and the variation of LED refreshes frequently not, cause the stop of human eye vision, can glimmer does not reach the effect of brightening.Simultaneously if take the LED change procedure under high-speed camera, can see that the light on and off of LED are unstable, the effect that impact is relayed is especially for the situation of live telecast.
The utility model content
In order to solve the problems of the prior art, the utility model provides a kind of output frequency setting device of DMX decoder.
The utility model provides a kind of output frequency setting device of DMX decoder, comprise frequency adjustment processing unit, metal-oxide-semiconductor, LED lamp bar, described frequency is adjusted processing unit and is linked to each other with described metal-oxide-semiconductor input, and described metal-oxide-semiconductor output links to each other with described LED lamp bar.
As further improvement of the utility model, this output frequency setting device comprises timer, and it is processor that described frequency is adjusted processing unit, and described timer links to each other with described processor, and described processor links to each other with described metal-oxide-semiconductor input.
As further improvement of the utility model, this output frequency setting device comprises and also comprises memory module that described processor links to each other with described memory module.
As further improvement of the utility model, it is arm processor that described frequency is adjusted processing unit.
As further improvement of the utility model, this output frequency setting device also comprises display unit, and described display unit is adjusted processing unit with described frequency and linked to each other.
As further improvement of the utility model, described display unit is LCDs.
As further improvement of the utility model, this output frequency setting device also comprises button (6), and described button is adjusted processing unit with described frequency and linked to each other.
As further improvement of the utility model, described button is four.
The beneficial effects of the utility model are: output frequency setting device of the present utility model is not only simple in structure, and have that man-machine interaction efficient is high, the characteristics of good reliability, the refresh rate that can improve simultaneously LED lamp bar satisfies the requirement under different application occasion and the different capture apparatus environment, enlarge range of application, reached the effect of LED brightening.
Description of drawings
Fig. 1 is the principle schematic of first embodiment of the present utility model.
Fig. 2 is the principle schematic of second embodiment of the present utility model.
Embodiment
The utility model discloses a kind of output frequency setting device of DMX decoder, comprise frequency adjustment processing unit, metal-oxide-semiconductor 1, LED lamp bar 2, described frequency is adjusted processing unit and is linked to each other with described metal-oxide-semiconductor 1 input, and described metal-oxide-semiconductor 1 output links to each other with described LED lamp bar 2.
As shown in Figure 1, as first embodiment of the present utility model, it is arm processor 3 that described frequency is adjusted processing unit.
In first embodiment, in the time of user's operation push-button 6, arm processor 3 receives the action of button 6, then carry out logical algorithm process (binary numeral is converted to decimal system number) and output frequency adjust complete after, numerical value is directly shown on display unit 5.If numerical value was not that he wants after the user saw, then can realize with button 6 increase or the minimizing of numerical value, the reference frequency output that DMX arranges is 2.4kHz-95kHz.If simultaneously when the user constantly adds always, then can automatically change to minimum or the highlyest, show complete information in display unit 5 simultaneously, comprise the PWM output frequency that shows this device.
As shown in Figure 2, as second embodiment of the present utility model, this output frequency setting device comprises timer 11, and it is processor 12 that described frequency is adjusted processing unit, described timer 11 links to each other with described processor 12, and described processor 12 links to each other with described metal-oxide-semiconductor 1 input.
This output frequency setting device comprises and also comprises memory module 13 that described processor 12 links to each other with described memory module 13.
In two embodiment of the present utility model, include display unit 5 and button 6.
This output frequency setting device also comprises display unit 5, and described display unit 5 is adjusted processing unit with described frequency and linked to each other.
Described display unit 5 is LCDs.
This output frequency setting device also comprises button 6, and described button 6 is adjusted processing unit with described frequency and linked to each other.
Described button 6 is four, is respectively the pattern conversion keys, increases button, reduces button and confirms button.
In second embodiment of the present utility model, in the time of user's operation push-button 6, processor 12 receives the action of button 6, then processor 12 carry out output frequency adjust complete after, numerical value is directly shown on display unit 5.If numerical value was not that he wants after the user saw, then can realize with button 6 increase or the minimizing of numerical value, the reference frequency output that DMX arranges is 2.4kHz-95kHz.If simultaneously when the user constantly adds always, then can automatically change to minimum or the highlyest, show complete information in display unit 5 simultaneously, comprise the PWM output frequency that shows this device.In second embodiment of the present utility model, it is to adopt the timing that timer 11 is set to interrupt difference that output frequency changes, calculate size regularly according to the frequency meter of wanting, timer 11 timings are just exported the frequency of setting to reach the purpose that changes and control to preprocessor 12 at every turn.Can preserve the frequency that the user arranges by memory module 13 simultaneously, directly move according to the parameter that the user sets with convenient start next time.
Output frequency setting device of the present utility model is not only simple in structure, and have that man-machine interaction efficient is high, the characteristics of good reliability, the refresh rate that can improve simultaneously LED lamp bar 2 satisfies the requirement under different application occasion and different capture apparatus (gamma camera) environment, enlarge range of application, reached the effect of LED brightening.
The English full name of DMX is DMX512, and PWM is pulse width modulation.
Output frequency setting device of the present utility model also comprises housing, arm processor 3 is positioned at enclosure interior, display unit 5 and button 6 are arranged on the housing, this housing also arranges fixture, this fixture is fixed mount, when this housing of fixed installation, is fixed by fixed mount, good fixing effect, and installation and removal are all very convenient.And this housing is provided with heat dissipation channel, and this enclosure interior also is provided with radiator fan, and this radiator fan is aimed at this arm processor 3, the dissipation of heat of arm processor 3 is gone out good heat dissipation effect by heat dissipation channel and the radiator fan of housing.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (8)
1. the output frequency setting device of a DMX decoder, it is characterized in that: comprise frequency adjustment processing unit, metal-oxide-semiconductor (1), LED lamp bar (2), described frequency is adjusted processing unit and is linked to each other with described metal-oxide-semiconductor (1) input, and described metal-oxide-semiconductor (1) output links to each other with described LED lamp bar (2).
2. output frequency setting device according to claim 1, it is characterized in that: this output frequency setting device comprises timer (11), it is processor (12) that described frequency is adjusted processing unit, described timer (11) links to each other with described processor (12), and described processor (12) links to each other with described metal-oxide-semiconductor (1) input.
3. output frequency setting device according to claim 2 is characterized in that: this output frequency setting device comprises and also comprises memory module (13) that described processor (12) links to each other with described memory module (13).
4. output frequency setting device according to claim 1 is characterized in that: it is arm processor (3) that described frequency is adjusted processing unit.
5. according to claim 3 or 4 described output frequency setting devices, it is characterized in that: this output frequency setting device also comprises display unit (5), and described display unit (5) is adjusted processing unit with described frequency and linked to each other.
6. output frequency setting device according to claim 5, it is characterized in that: described display unit (5) is LCDs.
7. output frequency setting device according to claim 6, it is characterized in that: this output frequency setting device also comprises button (6), described button (6) is adjusted processing unit with described frequency and is linked to each other.
8. output frequency setting device according to claim 7, it is characterized in that: described button (6) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201874719U CN203261525U (en) | 2013-04-15 | 2013-04-15 | Output frequency setting device of DMX decoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201874719U CN203261525U (en) | 2013-04-15 | 2013-04-15 | Output frequency setting device of DMX decoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203261525U true CN203261525U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201874719U Expired - Fee Related CN203261525U (en) | 2013-04-15 | 2013-04-15 | Output frequency setting device of DMX decoder |
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| Country | Link |
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| CN (1) | CN203261525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620909A (en) * | 2019-09-23 | 2019-12-27 | 上海东方传媒技术有限公司 | Digital Tally system |
-
2013
- 2013-04-15 CN CN2013201874719U patent/CN203261525U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620909A (en) * | 2019-09-23 | 2019-12-27 | 上海东方传媒技术有限公司 | Digital Tally system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20140415 |