CN211297067U - LED box, display screen and timing circuit - Google Patents

LED box, display screen and timing circuit Download PDF

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Publication number
CN211297067U
CN211297067U CN201922364310.2U CN201922364310U CN211297067U CN 211297067 U CN211297067 U CN 211297067U CN 201922364310 U CN201922364310 U CN 201922364310U CN 211297067 U CN211297067 U CN 211297067U
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module
power supply
clock
processing module
voltage
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CN201922364310.2U
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王金山
雷松
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Shenzhen Zhouming Technology Co Ltd
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Shenzhen Zhouming Technology Co Ltd
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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

Abstract

The utility model provides a LED box, display screen and timing circuit, this LED box includes: the device comprises a box body, a voltage-stabilizing power supply module, a processing module and a clock module; the input end of the voltage-stabilizing power supply module is connected with the power supply end of the box body, the output end of the voltage-stabilizing power supply module is connected with the power supply end of the processing module, the data transmission end of the processing module is connected with the data transmission end of the clock module, wherein the power supply is arranged in the clock module, the clock module outputs a clock signal in real time, the input end of the voltage-stabilizing power supply module is connected with the power supply end of the box body, when the box body is powered on, the voltage-stabilizing power supply module outputs constant voltage electricity, so that the processing module is powered on to work, the clock signal sent by the clock module is received at the moment to time, until the box body is powered off, the processing module is powered off and stops working, the processing module stops receiving the clock signal to stop timing, the effect of automatically recording.

Description

LED box, display screen and timing circuit
Technical Field
The utility model relates to a show technical field, especially relate to a LED box, display screen and timing circuit.
Background
With the rapid development of LED (Light-Emitting Diode) display technology, lsi and computer technology, an LED display screen has become a new display medium, and the application of the LED display screen is more and more extensive, specifically, the LED display screen is usually formed by splicing a plurality of LED boxes to display a picture, and then the working time of the LED box cannot be automatically recorded in the conventional LED box without manual operation, which is inconvenient for a user to count the service life of the LED box, i.e., is inconvenient for the user to count the service life of the LED box.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide an LED box, a display screen and a timing circuit for solving the problem that the conventional LED box cannot automatically calculate the working time.
An LED box includes: the device comprises a box body, a voltage-stabilizing power supply module, a processing module and a clock module; the input end of the voltage-stabilizing power supply module is connected with the power supply end of the box body, the output end of the voltage-stabilizing power supply module is connected with the power supply end of the processing module, the data transmission end of the processing module is connected with the data transmission end of the clock module, and a power supply is arranged in the clock module.
Above-mentioned LED box, because be equipped with the power supply in the clock module for clock module real time output clock signal, steady voltage power module's input with the feed end of box body is connected, when the box body circular telegram, the box body during operation promptly, steady voltage power module output constant voltage electricity, so that processing module power on work, the clock signal that receiving clock module sent this moment is in order to time, when the box body outage, processing module loses the electricity and stops work, processing module stops to receive clock signal and stops timing, thereby reach the effect of automatic recording LED box operating time, need not artifical manual record. In one embodiment, the output end of the voltage-stabilizing power supply module is further connected with the power supply end of the clock module.
In one embodiment, the clock module is a clock chip of model DS12C 887.
In one embodiment, the LED box further includes an acquisition module, the acquisition module is connected to the control end of the processing module, and the external interrupt end of the processing module is connected to the interrupt signal output end of the clock chip.
In one embodiment, the processing module is any one of a single chip microcomputer, a micro control unit and a processor.
In one embodiment, a display screen comprises the LED box described in any of the above embodiments.
In one embodiment, a timing circuit comprises: the device comprises a voltage-stabilizing power supply module, a processing module and a clock module; the input end of the voltage-stabilizing power supply module is used for being connected with the power supply end of a load, the output end of the voltage-stabilizing power supply module is connected with the power supply end of the processing module, the data transmission end of the processing module is connected with the data transmission end of the clock module, and a power supply is arranged in the clock module.
In one embodiment, the output end of the voltage-stabilizing power supply module is further connected with a power supply end of the clock module.
In one embodiment, the clock module is a clock chip of model DS12C 887.
In one embodiment, the timing circuit further includes an acquisition module, the acquisition module is connected to the control terminal of the processing module, and the external interrupt terminal of the processing module is connected to the interrupt signal output terminal of the clock chip.
Drawings
Fig. 1 is a block diagram of an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of the LED box according to an embodiment of the present invention;
FIG. 3 is a timing diagram of a bus write for the DS12C887 clock chip;
FIG. 4 is a timing diagram of a bus read for the DS12C887 clock chip;
fig. 5 is a block diagram of the LED box according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of the timing circuit according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
For example, an LED housing is provided, comprising: the device comprises a box body, a voltage-stabilizing power supply module, a processing module and a clock module; the input end of the voltage-stabilizing power supply module is connected with the power supply end of the box body, the output end of the voltage-stabilizing power supply module is connected with the power supply end of the processing module, the data transmission end of the processing module is connected with the data transmission end of the clock module, and a power supply is arranged in the clock module.
Above-mentioned LED box, because be equipped with the power supply in the clock module for clock module real time output clock signal, steady voltage power module's input with the feed end of box body is connected, when the box body circular telegram, the box body during operation promptly, steady voltage power module output constant voltage electricity, so that processing module power on work, the clock signal that receiving clock module sent this moment is in order to time, when the box body outage, processing module loses the electricity and stops work, processing module stops to receive clock signal and stops timing, thereby reach the effect of automatic recording LED box operating time, need not artifical manual record.
In one embodiment, referring to fig. 1 and 2, an LED box 10 includes: the power supply device comprises a box body 100, a voltage-stabilizing power supply module 200, a processing module 300 and a clock module 400; the input end of the voltage-stabilizing power supply module 200 is connected with the power supply end of the box body 100, the output end of the voltage-stabilizing power supply module 200 is connected with the power supply end of the processing module 300, the data transmission end of the processing module 300 is connected with the data transmission end of the clock module 400, and a power supply is arranged inside the clock module 400.
Specifically, the clock module is internally provided with a power supply to supply power, so that the clock module can output a clock signal in real time and send the clock signal to the processing module through the data transmission port, when the processing module is powered on and works, the clock signal is received to record the working time, when the processing module is powered off and stops working, the clock signal is stopped, so that the time is stopped being recorded to record the working time when the processing module is powered on, and the effect of recording the working time when the processing module is powered on is achieved; when the box body is electrified, the processing module is also in the electrified state, namely, the processing module and the box body work synchronously, the working time of the processing module during electrification is recorded, namely, the working time of the LED box body is recorded, so that the effect of recording the working time of the LED box body is realized, the process of recording the working time of the processing module does not need manual recording, automatic recording can be realized, and the labor cost is reduced.
It should be understood that the power supply end of the box body is usually connected with an alternating current commercial power, and the voltage stabilization power supply module is used for converting alternating current into stable direct current, so that when the box body works, a stable direct current power supply is provided for the processing module, and the condition that the processing module records abnormal time or is inaccurate due to abnormal power supply of the processing module is avoided.
It should be understood that, in the embodiment, the case body is a conventional LED case, and the voltage stabilizing power supply module, the processing module and the clock module are disposed on the conventional LED case to achieve an automatic timing function of the LED case.
Above-mentioned LED box, because be equipped with the power supply in the clock module for clock module real time output clock signal, steady voltage power module's input with the feed end of box body is connected, when the box body circular telegram, the box body during operation promptly, steady voltage power module output constant voltage electricity, so that processing module power on work, the clock signal that receiving clock module sent this moment is in order to time, when the box body outage, processing module loses the electricity and stops work, processing module stops to receive clock signal and stops timing, thereby reach the effect of automatic recording LED box operating time, need not artifical manual record.
In order to prolong the service life of the internal power supply of the clock module, in one embodiment, please refer to fig. 1 and fig. 2, the output terminal of the voltage-stabilizing power supply module 200 is further connected to the power supply terminal of the clock module 400. It should be understood that the internal power source of the clock module is usually a lithium battery, more precisely, a non-rechargeable lithium battery, and after the power consumption of the lithium battery is over, the internal power source of the clock module is not able to supply power to the clock module, and the output end of the voltage-stabilizing power supply module is further connected to the power supply end of the clock module.
In one embodiment, the clock module is a clock chip of model DS12C 887. Specifically, the DS12C887 clock chip can calculate seven types of calendar information of second, minute, hour, week, date, month and year before 2100 years, and has leap year compensation; the clock chip with the crystal oscillator and the lithium battery can work for 10 years without an external power supply, so that the working time of the LED box body within 10 years can be recorded at least by arranging the clock chip with the DS12C887 model.
In one embodiment, the clock module may also use other clock chips besides the DS12C887 signal for timing purposes.
In one embodiment, the processing module is any one of a single chip microcomputer, an MCU (micro controller Unit) and a processor. Specifically, the power supply end of the processing module is connected to the output end of the voltage-stabilizing power supply module, that is, the VCC end of the processing module is connected to the output end of the voltage-stabilizing power supply module, and the data transmission end of the processing module is connected to the data transmission end of the clock module, that is, the P01-P07 ends of the processing module are connected to the AD 0-AD 7 ends of the clock module in a one-to-one correspondence manner. In one embodiment, the single chip microcomputer is STC89C 52.
In one embodiment, please refer to fig. 5, the LED box 10 further includes an acquisition module 500, the acquisition module 500 is connected to the control terminal of the processing module 300, and the external interrupt terminal of the processing module 30 is connected to the interrupt signal output terminal of the clock chip. Specifically, DC12C887 clock chip has the alarm clock function, can freely set up the interrupt time, can regularly send interrupt signal to processing module promptly, processing module with collection module connects, when processing module received interrupt signal, sends control signal to collection module to refresh the data collection, realize the function of automatic timing refresh data collection promptly, need not artificial input instruction, furtherly, collection module includes temperature sensor, humidity transducer, so, reads time at every turn and can record real-time humiture at any time, and a collocation liquid crystal handles data, can show operating duration, average operating time. Specifically, the external interrupt end of the processing module is connected to the interrupt signal output end of the clock chip. Namely, the INT1 end of the processing module is connected with the IQR end of the clock chip.
In one embodiment, a storage unit is arranged inside the clock module, and the storage unit is used for storing production information of the box body, wherein the production information includes at least one of production time, factory time and serial number. Specifically, when the production of the LED box body is completed, the production information is stored in the clock module so as to improve the safety performance of data storage, and further, the production information can be visually processed. Specifically, the DS12C887 clock chip has a 128-byte RAM (random access memory) and can be used for storing data, and the LED box does not need to additionally provide a FLASH (nonvolatile) memory module, and the FLASH memory module in the LED box is generally used for performing correction storage, storing production information and being easily interfered. It should be understood that both reading and writing of the RAM by the processing module are in the prior art, and specific principles thereof may refer to fig. 3 and fig. 4, which are not described in detail in this embodiment.
It should be understood that the processing module and the clock module in the above embodiments may be self-developed products, or existing products directly purchased from the market, and the embodiments of the present application do not make any special innovation on the structure of the existing products, and claimed are the connection mode of these structures and the specific application of automatic timing in the display screen, so as to solve the problems that the conventional display screen needs manual timing, wastes manpower and material resources, and is inconvenient for counting the working time of the display screen, although the clock module and the processing module in these existing products relate to computer programs to implement their functions, the improvement points of the embodiments of the present application are not in these computer programs, because these computer programs are only simple to use existing programs, just as a computer with wireless internet access function, only needs to add a network card on the basis of the original hardware, this does not require reprogramming of the network card. That is, embodiments of the present application do not require special modification to these computer programs.
In one embodiment, a display screen comprises the LED box described in any of the above embodiments. The LED box body comprises a box body, a voltage-stabilizing power supply module, a processing module and a clock module; the input end of the voltage-stabilizing power supply module is connected with the power supply end of the box body, the output end of the voltage-stabilizing power supply module is connected with the power supply end of the processing module, the data transmission end of the processing module is connected with the data transmission end of the clock module, and a power supply is arranged in the clock module.
Above-mentioned display screen, because be equipped with the power supply in the clock module for clock module real-time output clock signal, steady voltage power module's input with the feed end of box body is connected, when the box body circular telegram, the box body during operation promptly, steady voltage power module output constant voltage electricity, so that processing module power-on work, the clock signal that receiving clock module sent this moment is in order to time, when the box body outage, processing module loses the electricity and stops work, processing module stops to receive clock signal and stops timing, thereby reach the effect of automatic recording LED box operating time, need not artifical manual record.
In one embodiment, referring to fig. 6, a timing circuit 20 includes: the voltage-stabilizing power supply module 200, the processing module 300 and the clock module 400; the input end of the voltage-stabilizing power supply module 200 is used for being connected with the power supply end of the load 110, the output end of the voltage-stabilizing power supply module 200 is connected with the power supply end of the processing module 300, the data transmission end of the processing module 300 is connected with the data transmission end of the clock module 400, and a power supply is arranged inside the clock module.
According to the timing circuit, the power supply is arranged in the clock module, so that the clock module outputs a clock signal in real time, the input end of the voltage-stabilizing power supply module is connected with the power supply end of the load, when the load is powered on, namely the load works, the voltage-stabilizing power supply module outputs constant voltage, so that the processing module is powered on to work, the clock signal sent by the clock module is received at the moment to time, until the load is powered off, the processing module is powered off to stop working, the processing module stops receiving the clock signal to stop timing, and therefore the effect of automatically recording the working time of the load is achieved, and manual recording is not needed.
In one embodiment, the output end of the voltage-stabilizing power supply module is further connected with a power supply end of the clock module. The output end of the voltage-stabilizing power supply module is connected with the power supply end of the clock module, namely when the load is powered on, the voltage-stabilizing power supply module supplies power to the clock module while supplying power to the processing module, the power supply arranged in the clock module stops supplying power, the power consumption of the internal power supply of the clock module is reduced, the service life of the internal power supply of the clock module is prolonged, and when the load is powered off, the clock module can be automatically switched to the internal power supply to supply power so that the clock module keeps a timing state.
In one embodiment, the clock module is a clock chip of model DS12C 887. Specifically, the DS12C887 clock chip can calculate seven types of calendar information of second, minute, hour, week, date, month and year before 2100 years, and has leap year compensation; the clock chip with the crystal oscillator and the lithium battery can work for 10 years without an external power supply, so that the working time of the load within 10 years can be recorded at least by arranging the clock chip with the model DS12C 887.
In one embodiment, the timing circuit further includes an acquisition module, the acquisition module is connected to the control terminal of the processing module, and the external interrupt terminal of the processing module is connected to the interrupt signal output terminal of the clock chip.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. An LED box, its characterized in that includes: the device comprises a box body, a voltage-stabilizing power supply module, a processing module and a clock module;
the input end of the voltage-stabilizing power supply module is connected with the power supply end of the box body, the output end of the voltage-stabilizing power supply module is connected with the power supply end of the processing module, the data transmission end of the processing module is connected with the data transmission end of the clock module, and a power supply is arranged in the clock module.
2. The LED box body of claim 1, wherein the output end of the voltage-stabilizing power supply module is further connected with the power supply end of the clock module.
3. The LED cabinet of claim 1 or 2, wherein the clock module is a DS12C887 clock chip.
4. The LED box of claim 3, further comprising an acquisition module, wherein the acquisition module is connected to the control terminal of the processing module, and the external interrupt terminal of the processing module is connected to the interrupt signal output terminal of the clock chip.
5. The LED box of claim 1, wherein the processing module is any one of a single chip, a micro control unit and a processor.
6. A display screen comprising an LED cabinet as claimed in any one of claims 1 to 5.
7. A timing circuit, comprising: the device comprises a voltage-stabilizing power supply module, a processing module and a clock module;
the input end of the voltage-stabilizing power supply module is used for being connected with the power supply end of a load, the output end of the voltage-stabilizing power supply module is connected with the power supply end of the processing module, the data transmission end of the processing module is connected with the data transmission end of the clock module, and a power supply is arranged in the clock module.
8. The timing circuit of claim 7, wherein the output terminal of the regulated power supply module is further connected to a power supply terminal of the clock module.
9. The timing circuit of claim 7 or 8, wherein the clock module is a DS12C887 clock chip.
10. The timing circuit of claim 9, further comprising an acquisition module, wherein the acquisition module is connected to the control terminal of the processing module, and the external interrupt terminal of the processing module is connected to the interrupt signal output terminal of the clock chip.
CN201922364310.2U 2019-12-25 2019-12-25 LED box, display screen and timing circuit Active CN211297067U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922364310.2U CN211297067U (en) 2019-12-25 2019-12-25 LED box, display screen and timing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922364310.2U CN211297067U (en) 2019-12-25 2019-12-25 LED box, display screen and timing circuit

Publications (1)

Publication Number Publication Date
CN211297067U true CN211297067U (en) 2020-08-18

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Application Number Title Priority Date Filing Date
CN201922364310.2U Active CN211297067U (en) 2019-12-25 2019-12-25 LED box, display screen and timing circuit

Country Status (1)

Country Link
CN (1) CN211297067U (en)

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