CN211427104U - Remote communication multi-point control match time display system - Google Patents
Remote communication multi-point control match time display system Download PDFInfo
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- CN211427104U CN211427104U CN201922502561.2U CN201922502561U CN211427104U CN 211427104 U CN211427104 U CN 211427104U CN 201922502561 U CN201922502561 U CN 201922502561U CN 211427104 U CN211427104 U CN 211427104U
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Abstract
The utility model discloses a remote communication multipoint control competition time display system, which comprises a host system and a plurality of slave systems; the host system comprises a host controller, a DS1302 clock chip connected with the host controller, an AT24C02 power-down protection chip, a keyboard module, six nixie tube driving modules and two light-emitting diodes for time-division double-point display; the slave system comprises a slave controller, an ULN2003 Darlington transistor array connected with the slave controller, a wired communication receiving module and an NPN type power transistor of a single-chip integrated Darlington structure; the output end of the ULN2003 Darlington transistor array is connected with six nixie tubes for large-screen display, and the collector of the NPN type power transistor is connected with an audible and visual alarm circuit. The utility model discloses connect a plurality of from the machine system, can realize the multiple spot control of a pair of many, according to the stadium needs the big screen display of overall arrangement and shows the charactron, show all-round, no dead angle when can realizing the match and look at.
Description
Technical Field
The utility model relates to a show system during remote communication multiple spot control match belongs to electronic display technical field.
Background
With the rapid development of society, the national fitness and sports tend to be more extensive and deeper; accordingly, the application of the advanced and advanced technology and the related intelligent communication technology to the related equipment system presents an explosive demand growth situation; the existing sports competition needs more various sports forms, scales and sizes of stadiums, and the existing competition time display system is difficult to meet the requirement that audiences need to view competition information in an all-round and dead-angle-free mode.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a show system during remote communication multiple spot control match, show when can remote communication multiple spot control match, satisfy spectator to showing when large-scale operation venue match all-round, no dead angle sight demand.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a remote communication multipoint control competition time display system comprises a host system and a plurality of slave systems;
the host system comprises a host controller, a host power supply, a DS1302 clock chip, an AT24C02 power-down protection chip, a keyboard module, a wired communication sending module, six 74HC595 chips and two light-emitting diodes for time-division double-point display, wherein the host power supply, the DS1302 clock chip, the AT24C02 power-down protection chip, the keyboard module, the wired communication sending module, the six 74HC595 chips and the two light-emitting diodes; six 74HC595 chips are correspondingly connected with six nixie tubes for small-screen display; the power supply end of the host power supply is connected with a power supply protection circuit, the power supply protection circuit comprises a plurality of diodes, the cathode of one diode is connected with the power supply end of the host controller, and the cathode is grounded after being connected with other diodes in series in the same direction;
the slave system comprises a slave controller, a slave power supply, an ULN2003 Darlington transistor array, a wired communication receiving module and an NPN type power transistor of a single-chip integrated Darlington structure, wherein the slave power supply is respectively connected with the slave controller; the wired communication sending module is matched with the wired communication receiving module; the output end of the ULN2003 Darlington transistor array is connected with six nixie tubes for large-screen display; the collector high-power drive of the NPN type power transistor is connected with a high-power loudspeaker through a first current-limiting voltage-dividing resistor and is connected with a light-emitting diode array which is connected in series through a second current-limiting voltage-dividing resistor and then connected in parallel.
Further, the master controller and the slave controller both adopt AT89S52 single-chip microcomputers.
Furthermore, the master controller and the slave controller are respectively connected with a reset circuit, and the reset circuit is connected with a reset key capable of triggering reset.
Further, the keyboard module at least comprises ten mutually independent function keys, and the ten function keys are respectively defined as: function keys, selection keys, "+" key, "-" key, minute reset key, minute pause key, minute start key, second reset key, second pause key.
Furthermore, the wired communication sending module and the wired communication receiving module select an MAX485 chip, and pins No. 2 and No. 3 of the MAX485 chip are grounded.
Further, the light emitting diode array driven by the collector of the NPN-type TIP122 power transistor in a high power mode comprises two light emitting diode branches connected in parallel, wherein each light emitting diode branch is composed of a plurality of light emitting diodes connected in series in the same direction.
Furthermore, every two of the six nixie tubes for large-screen display are in a group and are respectively used for displaying time, minutes and seconds.
Compared with the prior art, the utility model discloses the beneficial effect who reaches:
the utility model provides a technical scheme a host system connects a plurality of from the electromechanical system simultaneously, through the wired communication sending module of being connected with the host system and the wired communication receiving module of being connected with each from electromechanical system, realize the multiple spot control of one-to-many and send, can guarantee the time-display synchronization of multiple spot control; the ULN2003 Darlington high-power transistor array is adopted to drive and display the large-screen display nixie tube, the high-power requirement of the large-screen display nixie tube can be met, the large-screen display nixie tube can be reasonably distributed according to the requirement of a sports field, the large-size sports field can be viewed in an all-dimensional and dead-angle-free mode, the large-screen display nixie tube is suitable for various sports competition places at all levels, and the market application requirement of wide reality is met.
Drawings
Fig. 1 is a schematic circuit block diagram of a remote communication multipoint control match time display system according to an embodiment of the present invention;
fig. 2 is a circuit connection relationship diagram of the host controller, the DS1302 clock chip, the MAX485 chip, and the keyboard module according to the embodiment of the present invention;
fig. 3 is a circuit connection diagram of the host controller and the AT24C02 power down protection chip in the embodiment of the present invention;
fig. 4 is a circuit connection diagram of three conventional display nixie tubes connected to a host controller according to an embodiment of the present invention;
FIG. 5 is a diagram showing the circuit connections of three other conventional display nixie tubes connected to the host controller according to an embodiment of the present invention;
FIG. 6 is a circuit diagram of the embodiment of the present invention showing time division and double dot display;
fig. 7 is a circuit diagram of a power protection circuit of the host controller according to an embodiment of the present invention;
fig. 8 is an interface circuit diagram of a slave controller according to an embodiment of the present invention;
fig. 9 is a driving circuit diagram of a nixie tube for large screen display in an embodiment of the present invention;
fig. 10 is a circuit diagram of the sound and light alarm module according to the embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in the attached drawings, the embodiment of the utility model provides a show system during remote communication multiple spot control match, including host system and a plurality of from the electromechanical system, host system includes host controller and the time module of being connected with host controller, storage module, keyboard module, the small-size digital display module of conventional drive, communication sending module. The slave system comprises a slave controller, an audible and visual alarm module, a high-power driving display module and a communication receiving module, wherein the audible and visual alarm module, the high-power driving display module and the communication receiving module are connected with the slave controller; the communication sending module and the communication receiving module adopt MAX485 chips and are connected based on an RS-485 communication protocol and control the conventional driving small digital display module and the high-power driving display module to synchronously display.
The communication sending module and the communication receiving module are in wired connection, connection is more stable, the anti-interference capacity is stronger, a single host controller sends a display instruction, a plurality of slave controllers receive and display the display instruction, the display coverage range in a match is enlarged, and the match time can be viewed in an all-round and dead-angle-free mode through reasonable layout.
The circuit module of the chip MAX485 is selected for programming to realize the sending of the host controller and the receiving of the plurality of slave controllers based on the RS-485 communication protocol, and the slave controllers are used for respectively and unidirectionally receiving a nixie tube display time signal, a match total time length minute-second countdown signal, a 24S countdown signal and an acousto-optic alarm signal which are sent from the host controller through the RS-485 serial port; the reliable distance can reach more than 1Km, which is enough to meet the wired communication transmission requirements of most of various competition venues; the high-power sound-light alarm modules of the slave controllers are only used for receiving, so that pins 2 and 3 of the MAX-485 chip selected for RS-485 communication on the board are grounded.
In the embodiment of the present invention, the host controller and the slave controller both use AT89S52 single chip microcomputer chips.
The host controller can implement the following functions:
timing in a time-sharing manner: the automatic reset device can realize the arbitrary adjustment of 0-99 minutes and 0-59 seconds, and has the functions of starting and resetting;
timing by seconds: the device can be adjusted at will in 0-99 seconds, and has the functions of resetting and starting;
and (4) alarming: the set 24S countdown deadline can be selected to automatically sound an alarm and the like.
The time module adopts a DS1302 clock chip and can provide standard time.
The conventional driving small-sized digital display module adopts 74HC595 chips which are configured with 6 chips in total, every two chips are divided into three groups in a group, the output ends of the 6 74HC595 chips are respectively connected with a conventional nixie tube, the total number of the 6 conventional nixie tubes is 6, and the dynamic scanning common-sun method is adopted for displaying. The digital tube driving circuit chip 74HC595 and the dynamic scanning common positive display method are selected to directly display the standard time, the fractional time countdown capable of being selectively adjusted for 0-99 minutes and 0-59 seconds and the second time countdown capable of being arbitrarily adjusted for 0-99 seconds on the host system.
The storage module adopts an AT24C02 power-down protection chip applying an I2C bus technology, and can meet the requirements of on-line programming, electrical erasing, reading and writing and power-down storage protection.
The high-power driving display module is driven by an ULN2003 Darlington high-power transistor array and has the characteristics of high voltage resistance and high current. And a medium-high-power ULN2003 Darlington high-power transistor array is selected to drive large-screen display based on a super-large high-power nixie tube, and high-power super-large six-digit nixie tube is selected for display. Every two of the six nixie tubes for large screen display are divided into three groups, which are respectively used for displaying time, minutes and seconds. In the embodiment of the utility model, the three groups of nixie tubes are arranged in an inverted 'pin' shape, the two nixie tubes at the upper left side are used for displaying time, the two nixie tubes at the upper right side are used for displaying the numerical values of the minutes, the middle and the lower sides; in the case of displaying the game total time length in minutes and seconds countdown and the 24 seconds countdown, the upper left two nixie tubes are used for displaying the minute value of the game total time length in minutes and seconds countdown, the upper right two nixie tubes are used for displaying the second value of the game total time length in minutes and seconds countdown, and the lower middle two nixie tubes are used for displaying the second value of the game total time length in minutes and seconds countdown. Each nixie tube adopts a dynamic scanning driving display method.
The acousto-optic alarm module connected with the slave controller is driven by the TIP122 of an NPN type high-power transistor of a high-power single-chip integrated Darlington structure, the TIP122 of the NPN type high-power transistor of the high-power single-chip integrated Darlington structure is selected, a collector circuit is selected and connected in series with a corresponding high-current and high-power current-limiting bleeder resistor, the acousto-optic alarm circuit for driving the high current and the high power is designed, specifically, two branches are led out from a collector of the TIP122 of the NPN type high-power transistor, one branch is connected with a loudspeaker through a first current-limiting bleeder resistor, and the other branch is connected with a light-. The light emitting diode array at least comprises two light emitting diode branches connected in parallel, and each light emitting diode branch consists of a plurality of light emitting diodes connected in series in the same direction. Correspondingly, the loudspeaker for alarming and the display light-emitting diode array correspondingly select high-current and high-power devices; the slave machine system design selects P1.0 drive.
When the total time length of the match is counted down in minutes and seconds or the count down of 24S reaches 0, an audible and visual alarm is given; the corresponding sound and light alarm can be relieved by pressing the corresponding minute reset key and the second reset key.
The keyboard module comprises ten independent keyboards, and the functions of the independent keyboards are provided with the following function keys, a selection key, a plus key, a minus key, a minute reset key, a minute pause key, a minute start key, a second reset key and a second pause key.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (7)
1. A remote communication multipoint control game time display system is characterized by comprising a host system and a plurality of slave systems;
the host system comprises a host controller, a host power supply, a DS1302 clock chip, an AT24C02 power-down protection chip, a keyboard module, a wired communication sending module, six 74HC595 chips and two light-emitting diodes for time-division double-point display, wherein the host power supply, the DS1302 clock chip, the AT24C02 power-down protection chip, the keyboard module, the wired communication sending module, the six 74HC595 chips and the two light-emitting diodes; six 74HC595 chips are correspondingly connected with six nixie tubes for small-screen display; the power supply end of the host power supply is connected with a power supply protection circuit, the power supply protection circuit comprises a plurality of diodes, the cathode of one diode is connected with the power supply end of the host controller, and the cathode is grounded after being connected with other diodes in series in the same direction;
the slave system comprises a slave controller, a slave power supply, an ULN2003 Darlington transistor array, a wired communication receiving module and an NPN type power transistor of a single-chip integrated Darlington structure, wherein the slave power supply is respectively connected with the slave controller; the wired communication sending module is matched with the wired communication receiving module; the output end of the ULN2003 Darlington transistor array is connected with six nixie tubes for large-screen display; the collector high-power drive of the NPN type power transistor is connected with a high-power loudspeaker through a first current-limiting voltage-dividing resistor and is connected with a light-emitting diode array which is connected in series through a second current-limiting voltage-dividing resistor and then connected in parallel.
2. The system of claim 1, wherein the master controller and the slave controller are both implemented by AT89S52 single-chip microcomputers.
3. The system of claim 1, wherein the master controller and the slave controller are each connected to a reset circuit, and the reset circuit is connected to a reset button capable of triggering a reset.
4. The system as recited in claim 1, wherein the keyboard module comprises at least ten independent function keys, the ten function keys being defined as: function keys, selection keys, "+" key, "-" key, minute reset key, minute pause key, minute start key, second reset key, second pause key.
5. The system of claim 1, wherein the wired communication transmitter module and the wired communication receiver module are MAX485 chips, and pins 2 and 3 of the MAX485 chips are grounded.
6. The system of claim 1, wherein the NPN type TIP122 high power transistor collector high power driven led array comprises two parallel led branches, each led branch comprising a plurality of leds connected in series in the same direction.
7. The system of claim 1, wherein the six nixie tubes for large screen display are grouped into three groups, one group for each group, for displaying time, minutes, and seconds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922502561.2U CN211427104U (en) | 2019-12-31 | 2019-12-31 | Remote communication multi-point control match time display system |
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| CN201922502561.2U CN211427104U (en) | 2019-12-31 | 2019-12-31 | Remote communication multi-point control match time display system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077835A (en) * | 2019-12-31 | 2020-04-28 | 南京信息职业技术学院 | Remote communication multi-point control match time display system |
| CN113198154A (en) * | 2021-04-13 | 2021-08-03 | 山东吉诺尔体育器材有限公司 | Intelligent basketball stand system |
-
2019
- 2019-12-31 CN CN201922502561.2U patent/CN211427104U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077835A (en) * | 2019-12-31 | 2020-04-28 | 南京信息职业技术学院 | Remote communication multi-point control match time display system |
| CN113198154A (en) * | 2021-04-13 | 2021-08-03 | 山东吉诺尔体育器材有限公司 | Intelligent basketball stand system |
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