CN103177521B - The control method of digital product display unit - Google Patents
The control method of digital product display unit Download PDFInfo
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- CN103177521B CN103177521B CN201310060050.4A CN201310060050A CN103177521B CN 103177521 B CN103177521 B CN 103177521B CN 201310060050 A CN201310060050 A CN 201310060050A CN 103177521 B CN103177521 B CN 103177521B
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- trailing arm
- display unit
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000002159 abnormal effect Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001747 exhibiting effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 210000003141 lower extremity Anatomy 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a kind of control method of digital product display unit, comprise housing, described housing comprises base, be located at the trailing arm on base and be located at the bracket of trailing arm upper end; Described bracket comprises insert, the cylindrical shell of the upper end open be located on insert and the supporting plate be located on cylindrical shell, and described trailing arm upper surface is the dip plane turned forward, and described insert inserts in trailing arm top; Described insert is connected with metallic cable one end, and the other end of described metallic cable is connected with the spooler being located at trailing arm inside; Be provided with the first main control chip, contact switch in described cylindrical shell and stretch out the charging port of cylinder lateral wall, described first main control chip is electrically connected with metallic cable, and the charging wire be connected with charging port is provided with current sensing means.The present invention has and can carry out anti-theft protection more comprehensively to the digital product be positioned in digital product display unit; The alerting signal of launching is stable, reliable, is not easy the feature causing false alarm.
Description
Technical field
The present invention relates to digital displaying device field, especially relate to a kind of can to the control method of the digital product display unit that multiple abnormal conditions are reported to the police.
Background technology
Digital product display unit is the equipment for showing digital product, and the price comparison of the digital product such as mobile phone, computer is expensive, and how preventing the digital product that is placed in digital product display unit stolen, is the problem that digital product display unit needs to solve.
Common digital product display unit is provided with abnormal alarm function, when the contact switch on the supporting plate being located at digital product display unit is opened, then illustrates according to the action of contact switch, digital product is separated with supporting plate, judges that whether digital product is stolen.
It is single that this alarm control method has method, can not logarithmic code product be separated with supporting plate outside abnormal conditions carry out the deficiency of reporting to the police.
Chinese patent mandate publication number CN202221605U, publication date is authorized to disclose a kind of burglar alarm for display of digital product on May 16th, 2012, described burglar alarm for display of digital product comprises warning microcontroller, power circuit, buzzer circuit, power circuit is warning microcontroller, buzzer circuit provides power supply, warning microcontroller and buzzer circuit form circuit and are connected, warning microcontroller is connected with a LED circuit, warning microcontroller is also connected with warning inductor circuit, the signal output signal that warning microcontroller produces according to warning inductor makes LED glimmer, also output signal drives buzzer sounding simultaneously.It is single that this utility model has alarm method, can not logarithmic code product be separated with supporting plate outside abnormal conditions carry out the deficiency of reporting to the police.
Summary of the invention
The present invention is that the alarm method in order to overcome digital product display unit of the prior art is single, can not logarithmic code product be separated with supporting plate outside abnormal conditions carry out the deficiency of reporting to the police, provide a kind of can to the control method of the digital product display unit that multiple abnormal conditions are reported to the police.
To achieve these goals, the present invention is by the following technical solutions:
A kind of digital product display unit, comprises housing, and described housing comprises base, be located at the trailing arm on base and be located at the bracket of trailing arm upper end; Described bracket comprises insert, the cylindrical shell of the upper end open be located on insert and the supporting plate be located on cylindrical shell, and described trailing arm upper surface is the dip plane turned forward, and described insert inserts in trailing arm top;
Described insert is connected with metallic cable one end, and the other end of described metallic cable is connected with the spooler being located at trailing arm inside; Be provided with the first main control chip, contact switch in described cylindrical shell and stretch out the charging port of cylinder lateral wall, described contact switch is through the hole be located on supporting plate and be exposed to outside supporting plate outside surface, described first main control chip is electrically connected with metallic cable, the charging wire be connected with charging port is provided with current sensing means, and described first main control chip is electrically connected with current sensing means and contact switch respectively; Also be provided with the second main control chip, alarm and signal receiver in described housing, the second main control chip is electrically connected with alarm and signal receiver respectively.
Digital product display unit of the present invention, can to be separated with supporting plate and the metallic cable that is connected with the supporting plate situation such as to be cut off is reported to the police by logarithmic code product, have employed built-in wire rope and replace external spring line electrical connection transmission of signal as antenna signal transmission, more reliable on signal transmission.
Digital product can be connected with supporting plate by cementing agent or magnet etc., and when experiencer holds digital product and drives bracket to depart from trailing arm, metallic cable is pulled out by from spooler, the draw of metallic cable, effectively avoids digital product to be removed; When the metallic cable stretched out is cut off by experiencer, alarm can send warning message;
Metallic cable can shrink back in spooler automatically, and metallic cable has that intensity is high, the feature of good toughness, both ensure that the safety of bracket and digital product, the displaying of logarithmic code product can not cause interference again.
And the present invention adopts the antenna that sends as signal of metallic cable, with traditional spring wire as compared with signal transmssion line, there is structure simply, the feature of stable performance.
Therefore, the present invention has and can carry out anti-theft protection more comprehensively to the digital product be positioned in digital product display unit, and the alerting signal of transmitting is stablized, and is not easy to cause false alarm.
As preferably, described current sensing means is the diode be series in the negative line of charging wire, and the positive pole of described diode is electrically connected with the first main control chip.
As the replacement scheme of such scheme, described current sensing means is the current sensor be located on charging wire, and current sensor is electrically connected with the first main control chip.
As preferably, described base comprises disc drain pan and annular lid, and lower limb and the drain pan of described lid removably connect, and the coboundary of described lid contacts with trailing arm outside surface bottom.
As preferably, alarm comprises hummer and LED, and described LED is stretched out outside housing.
As preferably, the second main control chip and alarm are positioned at base, and signal receiver is positioned at trailing arm inside.
A control method for digital product display unit, comprises the steps:
(7-1) on the second main control chip, alarm number signal is set in advance, and by alarm number signal storage in the register of the second main control chip;
(7-2) current sensing means detects the current signal on charging wire, and by the detection signal that contact switch and current sensing means send, the first main control chip judges whether digital product display unit normally works, and send corresponding digital signal by metal wire;
When contact switch is closed and when charging wire having current signal, then the first main control chip makes the judgement that digital product display unit normally works, the first main control chip is by the normal operating digital signal of metallic cable repeat its transmission;
When contact switch is opened or on charging wire during no signal current, then the first main control chip makes the judgement of digital product display unit abnormal work, the first main control chip is by metallic cable repeat its transmission abnormal work digital signal;
(7-3) the second main control chip receives digital signal by signal receiver, and by the digital signal received compared with the alarm number signal be pre-stored in register;
(7-4) when the digital signal received is consistent with the alarm number signal be pre-stored in register, the second main control chip makes the judgement of digital code exhibiting device exception, then the second main control chip controls alarm and sends sound, the warning of light warning message.
Digital code exhibiting device often multiple arrangement is placed, and signal receiver not only can receive the digital signal that the machine sends, and also can receive the digital signal that other machine is launched simultaneously; When digital signal only has consistent with the alarm number signal be pre-stored in register, alarm is just reported to the police, and can guarantee the accuracy of reporting to the police, effectively prevent false alarm.
As preferably, also comprise the steps:
In the first Master control chip, setting sends the interval duration of digital signal, and the several times that have passed through interval duration when the second Master control chip also do not receive digital signal, then the second main control chip controls alarm and sends sound, the warning of light warning message.
The several times that have passed through interval duration when the second Master control chip also do not receive digital signal, and illustrate that metallic cable is cut off, the first main control chip cannot launch digital signal.
Therefore, the present invention has following beneficial effect: (1) can carry out anti-theft protection more comprehensively to the digital product be positioned in digital product display unit; (2) alerting signal of launching is stable, reliable, is not easy to cause false alarm.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is another kind of structural representation of the present invention;
Fig. 3 is a kind of cut-open view of trailing arm of the present invention and bracket;
Fig. 4 is a kind of theory diagram of the present invention;
Fig. 5 is a kind of process flow diagram of embodiments of the invention 1;
Fig. 6 is a kind of process flow diagram of embodiments of the invention 2.
In figure: base 1, trailing arm 2, bracket 3, insert 31, cylindrical shell 32, supporting plate 33, metallic cable 4, spooler 5, first main control chip 6, contact switch 7, charging port 8, second main control chip 9, alarm 10, signal receiver 11, current sensing means 12.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment 1
Embodiment is as shown in Figure 1, Figure 2, Figure 3 shows a kind of digital product display unit, comprises housing, and described housing comprises base 1, be located at the trailing arm 2 on base and be located at the bracket 3 of trailing arm upper end; Bracket comprises insert 31, the cylindrical shell 32 of the upper end open be located on insert and the supporting plate 33 be located on cylindrical shell, and trailing arm upper surface is the dip plane turned forward, and insert inserts in trailing arm top;
Insert is connected with metallic cable 4 one end, and the other end of metallic cable is connected with the spooler 5 being located at trailing arm inside; Be provided with the first main control chip 6, contact switch 7 in cylindrical shell and stretch out the charging port 8 of cylinder lateral wall, contact switch is through the hole be located on supporting plate and be exposed to outside supporting plate outside surface.
As shown in Figure 4, the first main control chip is electrically connected with metallic cable, and the charging wire be connected with charging port is provided with current sensing means 12, and the first main control chip is electrically connected with current sensing means and contact switch respectively; Also be provided with in housing the second main control chip 9, alarm 10 and signal receiver 11, second main control chip be electrically connected with alarm and signal receiver respectively.Current sensing means is the diode be series in the negative line of charging wire, and the positive pole of diode is electrically connected with the first main control chip.
Base comprises disc drain pan and annular lid, and lower limb and the drain pan of lid removably connect, and the coboundary of lid contacts with trailing arm outside surface bottom.Supporting plate is that described alarm comprises hummer and LED, and described LED is stretched out outside housing.
Second main control chip and alarm are positioned at base, and signal receiver is positioned at trailing arm inside.
As shown in Figure 5, a kind of control method of digital product display unit, comprises the steps:
Step 100, sets alarm number signal in advance on the second main control chip, and by alarm number signal storage in the register of the second main control chip;
Step 200, current sensing means detects the current signal on charging wire, and by the detection signal that contact switch and current sensing means send, the first main control chip judges whether digital product display unit normally works, and send corresponding digital signal by metal wire;
When contact switch is closed and when charging wire having current signal, then the first main control chip makes the judgement that digital product display unit normally works, the first main control chip is by the normal operating digital signal of metallic cable repeat its transmission;
When contact switch is opened or on charging wire during no signal current, then the first main control chip makes the judgement of digital product display unit abnormal work, the first main control chip is by metallic cable repeat its transmission abnormal work digital signal;
Step 300, the second main control chip receives digital signal by signal receiver, and by the digital signal received compared with the alarm number signal be pre-stored in register;
Step 400, when the digital signal received is consistent with the alarm number signal be pre-stored in register, the second main control chip makes the judgement of digital code exhibiting device exception, then the second main control chip controls alarm and sends sound, the warning of light warning message.
Embodiment 2
Current sensing means in embodiment 2 is the current sensor be located on charging wire, and current sensor is electrically connected with the first main control chip.Other structure division in embodiment 2 is in the same manner as in Example 1.
As shown in Figure 6, embodiment 2 comprises the institute's part in steps in embodiment 1, also comprises the steps:
Step 500, in the first Master control chip, setting sends the interval duration of digital signal, does not also receive digital signal, then illustrate that metallic cable is cut off, cannot send digital signal when the second Master control chip have passed through 3 times of interval duration; Second main control chip controls alarm and sends sound, the warning of light warning message.
Claims (1)
1. a control method for digital product display unit, is characterized in that, described digital product display unit comprises housing, and described housing comprises base (1), be located at the trailing arm (2) on base and be located at the bracket (3) of trailing arm upper end; Described bracket comprises insert (31), the cylindrical shell (32) of the upper end open be located on insert and the supporting plate (33) be located on cylindrical shell, and described trailing arm upper surface is the dip plane turned forward, and described insert inserts in trailing arm top;
Described insert is connected with metallic cable (4) one end, and the other end of described metallic cable is connected with the spooler (5) being located at trailing arm inside; Be provided with the first main control chip (6), contact switch (7) in described cylindrical shell and stretch out the charging port (8) of cylinder lateral wall, described contact switch is through the hole be located on supporting plate and be exposed to outside supporting plate outside surface, described first main control chip is electrically connected with metallic cable, the charging wire be connected with charging port is provided with current sensing means (12), and described first main control chip is electrically connected with current sensing means and contact switch respectively;
Also be provided with the second main control chip (9), alarm (10) and signal receiver (11) in described housing, the second main control chip is electrically connected with alarm and signal receiver respectively; Described current sensing means is the diode be series in the negative line of charging wire, and the positive pole of described diode is electrically connected with the first main control chip; Described base comprises disc drain pan and annular lid, and lower limb and the drain pan of described lid removably connect, and the coboundary of described lid contacts with trailing arm outside surface bottom;
Comprise the steps:
(1-1) on the second main control chip, set the alarm number signal of the machine in advance, and by alarm number signal storage in the register of the second main control chip;
(1-2) current sensing means detects the current signal on charging wire, by the detection signal that contact switch and current sensing means send, first main control chip judges whether digital product display unit normally works, and send the digital signal corresponding with the machine by metal wire:
When contact switch is closed and when charging wire having current signal, then the first main control chip makes the judgement that digital product display unit normally works, the first main control chip is by the normal operating digital signal of metallic cable repeat its transmission the machine;
When contact switch is opened or on charging wire during no signal current, then the first main control chip makes the judgement of digital product display unit abnormal work, the first main control chip is by the abnormal work digital signal of metallic cable repeat its transmission the machine;
(1-3) the second main control chip receives digital signal by signal receiver, and by the digital signal received compared with the alarm number signal be pre-stored in register;
(1-4) when the digital signal received is consistent with the alarm number signal of the machine be pre-stored in register, the second main control chip makes the judgement of digital code exhibiting device exception, then the second main control chip controls alarm and sends sound, the warning of light warning message;
(1-5) in the first main control chip, setting sends the interval duration of digital signal, and the several times that have passed through interval duration when the second main control chip also do not receive digital signal, illustrates that metallic cable is cut off, cannot send digital signal; Then the second main control chip controls alarm and sends sound, the warning of light warning message.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310060050.4A CN103177521B (en) | 2013-02-27 | 2013-02-27 | The control method of digital product display unit |
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| CN201310060050.4A CN103177521B (en) | 2013-02-27 | 2013-02-27 | The control method of digital product display unit |
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| CN103177521A CN103177521A (en) | 2013-06-26 |
| CN103177521B true CN103177521B (en) | 2016-04-27 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106373304B (en) * | 2016-08-16 | 2018-07-31 | 杭州朗鸿科技股份有限公司 | Antitheft displaying device and method |
| CN108010238A (en) * | 2018-01-02 | 2018-05-08 | 北京北科汇智软件技术有限公司 | A kind of dismantling-proof alarming method of vehicle positioning equipment |
| CN108648384A (en) * | 2018-05-20 | 2018-10-12 | 新能量科技股份有限公司 | A kind of network distribution transformer anti-theft prewarning apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203149752U (en) * | 2013-02-27 | 2013-08-21 | 杭州朗鸿科技有限公司 | Digital product display device |
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| US8698618B2 (en) * | 2010-06-21 | 2014-04-15 | Mobile Tech, Inc. | Display for hand-held electronics |
| EP2618317A4 (en) * | 2010-09-17 | 2014-10-29 | Cube Inc S | SECURITY SYSTEM |
| CN202331692U (en) * | 2011-10-28 | 2012-07-11 | 上海锦为网络科技有限公司 | Anti-theft device for displaying and experiencing cell phone or digital product |
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| CN203149752U (en) * | 2013-02-27 | 2013-08-21 | 杭州朗鸿科技有限公司 | Digital product display device |
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Address after: Hangzhou City, Zhejiang province 316100 Binjiang District West Street (pro) letter Court Road No. 99 Building No. 1 Patentee after: HANGZHOU LANGHONG TECHNOLOGY CO., LTD. Address before: 310000, Zhejiang, Binjiang province (Hangzhou High Tech) District letter road 99, No. 2, building 2 Patentee before: Hangzhou Langhong Technology Co., Ltd. |