CN109272687A - Put on display security alerting system - Google Patents
Put on display security alerting system Download PDFInfo
- Publication number
- CN109272687A CN109272687A CN201811385564.6A CN201811385564A CN109272687A CN 109272687 A CN109272687 A CN 109272687A CN 201811385564 A CN201811385564 A CN 201811385564A CN 109272687 A CN109272687 A CN 109272687A
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- exhibition
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- 239000003990 capacitor Substances 0.000 claims abstract description 35
- 239000011159 matrix material Substances 0.000 claims abstract description 31
- 239000004065 semiconductor Substances 0.000 claims abstract description 22
- 230000005611 electricity Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 208000033748 Device issues Diseases 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of exhibition security alerting systems, including LED matrix, exhibition electronic equipment and warning device, LIFI chip and power module inside LED matrix, power module is connect with LIFI chip, it puts on display and is equipped with address binding APP in electronic equipment, the link address value of each exhibition electronic equipment and LED matrix is set as unique address, when the light source between exhibition electronic equipment and LED matrix is blocked, the connection puted on display between electronic equipment and LED matrix disconnects, and triggering warning device issues alarm；Power module includes transformer, bridge rectifier, first diode, first capacitor, first resistor, the first metal-oxide-semiconductor, three end adjustable shunt reference sources, the first triode, the second diode, second resistance, the second capacitor and voltage output end.Use scope of the present invention is compared with wide, circuit structure is relatively simple, cost is relatively low, maintain easily, the safety and reliability of circuit is higher.
Description
Technical field
The present invention relates to Exhibition Service field, in particular to a kind of exhibition security alerting system.
Background technique
Important place of enterprise's exhibition room as enterprise rollout itself brand image, causes Enterprises Leader more and more
Pay attention to, especially some enterprises for focusing on brand image often cook up certain space in office building, ask some professions
Exhibition room Chevron Research Company (CRC) carries out whole image package and displaying.Many communication equipments etc. are often placed in enterprise's exhibition room to be used for
It shows, visitor is allowed to watch.Existing exhibition security alerting system utilizes the technology of LIFI (visible light communication), in exhibition room
Top device has the LED light of LIFI chip, and all displaying mobile phones under light are all connected to the AP of top device.Work as mobile phone
When being moved over to light with exterior domain, mobile phone is the connection disconnected with this AP, is arranged at this time by software, sounds an alarm mobile phone
Sound.Its security alarm for being only used for mobile phone, using limited.In addition, the power pack of tradition exhibition security alerting system uses
Component it is more, circuit structure is complicated, and hardware cost is higher, it has not been convenient to safeguard.In addition, since tradition puts on display security alarm system
The power pack of system lacks corresponding circuit protection function, such as: lack current-limiting protection function, cause circuit safety and can
It is poor by property.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, provide a kind of use scope compared with
Extensively, circuit structure is relatively simple, cost is relatively low, maintains easily, the higher exhibition security alarm of the safety and reliability of circuit
System.
The technical solution adopted by the present invention to solve the technical problems is: a kind of exhibition security alerting system is constructed, including
LED matrix, exhibition electronic equipment and warning device, the LED matrix inside LIFI chip and power module, the power module
It is connect with the LIFI chip, the LED matrix is mounted at the top of exhibition room, and the exhibition electronic equipment is set to exhibition room region
It is interior, and the exhibition electronic equipment is connected to the LED matrix, is equipped with address binding APP in the exhibition electronic equipment, often
The link address value of a exhibition electronic equipment and the LED matrix is set as unique address, in the warning device
In the exhibition electronic equipment, when it is described exhibition electronic equipment and the LED matrix between light source be blocked, the exhibition
The connection look between electronic equipment and the LED matrix disconnects, and triggers the warning device and issues alarm；
The power module includes transformer, bridge rectifier, first diode, first capacitor, first resistor, first
Metal-oxide-semiconductor, three end adjustable shunt reference sources, the first triode, the second diode, second resistance, the second capacitor and voltage output end,
The primary coil of the transformer one end connection 220V alternating current one end, the other end of the primary coil of the transformer with
The other end of the 220V alternating current connects, one end of the secondary coil of the transformer respectively with the bridge rectifier one
A input terminal is connected with the anode of first diode, the other end of the secondary coil of the transformer and the bridge rectifier
The connection of another input terminal, an output end of the bridge rectifier are connect with the drain electrode of first metal-oxide-semiconductor, and described first
The cathode of diode is connect with one end of the first resistor, the grid of first metal-oxide-semiconductor respectively with the first resistor
The cathode of the other end, the collector of the first triode and three end adjustable shunt reference sources connects, the bridge rectifier it is another
A output end is connect with the anode of the other end of the first capacitor and three end adjustable shunt reference sources respectively, the first MOS
The source electrode of pipe is connect with the anode of the base stage of first triode and the second diode respectively, the transmitting of first triode
Pole is connect with the cathode of second diode, one end of the second capacitor and one end of voltage output end respectively, and three end can
The control electrode of shunt reference source is adjusted to connect with one end of the second resistance, the other end of the second resistance is respectively with described the
The other end of two capacitors is connected with the other end of voltage output end, the model S-102T of second diode.
In exhibition security alerting system of the present invention, the power module further includes third capacitor, the third
One end of capacitor is connect with the source electrode of first metal-oxide-semiconductor, the base of the other end of the third capacitor and first triode
Pole connection, the capacitance of the third capacitor are 360pF.
In exhibition security alerting system of the present invention, the power module further includes 3rd resistor, the third
One end of resistance is connect with the another output of the bridge rectifier, the other end of the 3rd resistor and first electricity
The other end of appearance connects, and the resistance value of the 3rd resistor is 39k Ω.
In exhibition security alerting system of the present invention, the power module further includes third diode, and described
The anode of three diodes is connect with the cathode of second diode, the cathode and the voltage output end of the third diode
Connection, the model S-183T of the third diode.
In exhibition security alerting system of the present invention, first metal-oxide-semiconductor is N-channel MOS pipe.
In exhibition security alerting system of the present invention, first triode is NPN type triode.
Implement exhibition security alerting system of the invention, has the advantages that due to being equipped with LED matrix, exhibition electricity
Sub- equipment and warning device, LED matrix inside LIFI chip and power module；It can be expanded using exhibition electronic equipment using model
It encloses, power module includes transformer, bridge rectifier, first diode, first capacitor, first resistor, the first metal-oxide-semiconductor, three ends
Adjustable shunt reference source, the first triode, the second diode, second resistance, the second capacitor and voltage output end, the power module
Compared with the power pack of tradition exhibition security alerting system, the component used is less, due to saving some components,
Hardware cost can be reduced in this way, in addition, the second diode is used to carry out current-limiting protection, therefore use scope is relatively wide, circuit knot
Structure is relatively simple, cost is relatively low, maintain easily, the safety and reliability of circuit is higher.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram in present invention exhibition security alerting system one embodiment；
Fig. 2 is the circuit diagram of power module in the embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In present invention exhibition security alerting system embodiment, the structural schematic diagram of the exhibition security alerting system such as Fig. 1
It is shown.In Fig. 1, which includes LED matrix 1, exhibition electronic equipment 2 and warning device 3, in LED matrix 1
Portion's LIFI chip 11 and power module 12, power module 12 are connect with LIFI chip 11, and LED matrix 1 is mounted at the top of exhibition room, exhibition
Electronic equipment 2 of looking at is set in exhibition room region, and is puted on display electronic equipment 2 and be connected to LED matrix 1, is puted on display in electronic equipment 2 and is set
There is address binding APP21, the link address value of each exhibition electronic equipment 2 and LED matrix 1 is set as unique address, reports
Alarm device 3 is embedded in exhibition electronic equipment 2, and when the light source between exhibition electronic equipment 2 and LED matrix 1 is blocked, exhibition is electric
Connection between sub- equipment 2 and LED matrix 1 disconnects, and triggering warning device 3 issues alarm.Exhibition electronic equipment 2 can be hand
Machine, tablet computer or PDA etc., therefore use scope is extensive.
In the present embodiment, the time that light source is blocked is set as 4 minutes, when light source was blocked more than 4 minutes, then triggers alarm
Device 3 is alarmed, and is not otherwise triggered.Using current LIFI technology, the LED matrix 1 at the top of electronic equipment 2 and exhibition room is puted on display
It is connected, so that all exhibition electronic equipments 2 being demonstrated under 1 light of LED matrix is all connected to this LED matrix 1, while this connects
The address value connect is set as the link address value of secure unique by address binding APP21, when exhibition electronic equipment 2 and LED matrix 1
Between light source be blocked, connection will be switched off.The connection for the secure unique that address binding APP21 is provided before detecting
When location value is lost, that is, sound the alarm.
Fig. 2 is the circuit diagram of power module in the present embodiment, and Fig. 2, which includes transformer T, bridge-type
Rectifier Z, first diode D1, first capacitor C1, first resistor R1, the first metal-oxide-semiconductor M1, three end adjustable shunt reference source U1,
The primary line of first triode Q1, the second diode D2, second resistance R2, the second capacitor C2 and voltage output end Vo, transformer T
One end of one end connection 220V alternating current of circle, the other end of the primary coil of transformer T and the other end of 220V alternating current connect
It connects, one end of the secondary coil of transformer T connects with the anode of an input terminal of bridge rectifier Z and first diode D1 respectively
It connecing, the other end of the secondary coil of transformer T is connect with another input terminal of bridge rectifier Z, and one of bridge rectifier Z
Output end is connect with the drain electrode of the first metal-oxide-semiconductor M1, and the cathode of first diode D1 is connect with one end of first resistor R1, and first
The grid of metal-oxide-semiconductor M1 respectively with the other end of first resistor R1, the collector of the first triode Q1 and three end adjustable shunt benchmark
The cathode of source U1 connects, the another output of bridge rectifier Z respectively with the other end of first capacitor C1 and adjustable point of three ends
Flow a reference source U1 anode connection, the source electrode of the first metal-oxide-semiconductor M1 respectively with the base stage of the first triode Q1 and the second diode D2
Anode connection, the emitter of the first triode Q1 respectively with the cathode of the second diode D2, one end of the second capacitor C2 and electricity
One end connection of output end vo is pressed, the control electrode of three end adjustable shunt reference source U1 is connect with one end of second resistance R2, and second
The other end of resistance R2 is connect with the other end of the other end of the second capacitor C2 and voltage output end Vo respectively.
For the power module 12 compared with the power pack of tradition exhibition security alerting system, the component used is less,
Circuit structure is relatively simple, maintains easily, and due to saving some components, can reduce hardware cost in this way.In addition, second
Diode D2 is Current Limiting Diodes, and for carrying out current-limiting protection, therefore the safety and reliability of circuit is higher.It is worth mentioning
It is that in the present embodiment, the model S-102T of the second diode D2, certainly, in practical applications, the second diode D2 can also be with
There is the diode of similar functions using other models.
In the present embodiment, the first metal-oxide-semiconductor M1 is N-channel MOS pipe, and the first triode Q1 is NPN type triode, certainly,
In practical application, the first metal-oxide-semiconductor M1 can be P-channel metal-oxide-semiconductor, and the first triode Q1 may be PNP type triode, but at this moment
The structure of circuit also will accordingly change.
In the present embodiment, which further includes third capacitor C3, one end of third capacitor C3 and the first metal-oxide-semiconductor M1
Source electrode connection, the other end of third capacitor C3 connect with the base stage of the first triode Q1.Third capacitor C3 is coupled capacitor, is used
In preventing the interference between the first metal-oxide-semiconductor M1 and the first triode Q1, to further enhance the safety and reliability of circuit.Value
One is obtained to be mentioned that, in the present embodiment, the capacitance of third capacitor C3 is 360pF, certainly, and in practical applications, third capacitor C3
Capacitance can adjust accordingly as the case may be, that is, the capacitance of third capacitor C3 can be as the case may be
It is increased accordingly or is reduced.
In the present embodiment, which further includes 3rd resistor R3, one end of 3rd resistor R3 and bridge rectifier Z
Another output connection, the other end of 3rd resistor R3 connect with the other end of first capacitor C1.3rd resistor R3 is limited
Leakage resistance, for carrying out current-limiting protection, further to enhance the safety and reliability of circuit.It is noted that this reality
It applies in example, the resistance value of 3rd resistor R3 is 39k Ω, and certainly, in practical applications, the resistance value of 3rd resistor R3 can be according to specific
Situation adjusts accordingly, that is, the resistance value of 3rd resistor R3 can be increased accordingly or be reduced as the case may be.
In the present embodiment, which further includes third diode D3, the anode and the two or two of third diode D3
The cathode of pole pipe D2 connects, and the cathode of third diode D3 is connect with voltage output end Vo.Third diode D3 is two pole of current limliting
Pipe, for carrying out current-limiting protection.It is noted that in the present embodiment, the model S-183T of third diode D3, certainly,
In practical applications, third diode D3 also can choose the diode that other models have similar functions.
In short, in the present embodiment use scope can be expanded using exhibition electronic equipment 2, the power module 12 and tradition
The power pack of exhibition security alerting system is compared, and the component used is less, and circuit structure is relatively simple, is maintained easily,
Due to saving some components, hardware cost can be reduced in this way.In addition, Current Limiting Diodes are equipped in the power module 12,
Therefore the safety and reliability of circuit is higher.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of exhibition security alerting system, which is characterized in that described including LED matrix, exhibition electronic equipment and warning device
LIFI chip and power module, the power module are connect with the LIFI chip inside LED matrix, the LED matrix installation
At the top of exhibition room, the exhibition electronic equipment is set in exhibition room region, and the exhibition electronic equipment is connected to the LED
Device is equipped with address binding APP, the company of each the exhibition electronic equipment and the LED matrix in the exhibition electronic equipment
It connects address value and is set as unique address, the warning device is embedded in the exhibition electronic equipment, when the exhibition electricity
Light source between sub- equipment and the LED matrix is blocked, and the connection between the exhibition electronic equipment and the LED matrix is disconnected
It opens, triggers the warning device and issue alarm；
The power module include transformer, bridge rectifier, first diode, first capacitor, first resistor, the first metal-oxide-semiconductor,
Three end adjustable shunt reference sources, the first triode, the second diode, second resistance, the second capacitor and voltage output end, the change
The primary coil of depressor one end connection 220V alternating current one end, the other end of the primary coil of the transformer with it is described
The other end of 220V alternating current connects, and one end of the secondary coil of the transformer is defeated with one of the bridge rectifier respectively
Enter end to connect with the anode of first diode, the other end of the secondary coil of the transformer is another with the bridge rectifier
A input terminal connection, an output end of the bridge rectifier are connect with the drain electrode of first metal-oxide-semiconductor, the one or two pole
The cathode of pipe is connect with one end of the first resistor, and the grid of first metal-oxide-semiconductor is another with the first resistor respectively
The cathode connection at end, the collector of the first triode and three end adjustable shunt reference sources, another of the bridge rectifier are defeated
Outlet is connect with the anode of the other end of the first capacitor and three end adjustable shunt reference sources respectively, first metal-oxide-semiconductor
Source electrode is connect with the anode of the base stage of first triode and the second diode respectively, the emitter point of first triode
It is not connect with the cathode of second diode, one end of the second capacitor and one end of voltage output end, adjustable point of three end
The control electrode of stream a reference source is connect with one end of the second resistance, and the other end of the second resistance is electric with described second respectively
The other end of appearance is connected with the other end of voltage output end, the model S-102T of second diode.
2. exhibition security alerting system according to claim 1, which is characterized in that the power module further includes third electricity
Hold, one end of the third capacitor is connect with the source electrode of first metal-oxide-semiconductor, the other end of the third capacitor and described first
The base stage of triode connects, and the capacitance of the third capacitor is 360pF.
3. exhibition security alerting system according to claim 2, which is characterized in that the power module further includes third electricity
Resistance, one end of the 3rd resistor are connect with the another output of the bridge rectifier, the other end of the 3rd resistor
It is connect with the other end of the first capacitor, the resistance value of the 3rd resistor is 39k Ω.
4. exhibition security alerting system according to claim 3, which is characterized in that the power module further includes the three or two
Pole pipe, the anode of the third diode are connect with the cathode of second diode, the cathode of the third diode and institute
State voltage output end connection, the model S-183T of the third diode.
5. exhibition security alerting system according to any one of claims 1 to 4, which is characterized in that first metal-oxide-semiconductor
For N-channel MOS pipe.
6. exhibition security alerting system according to any one of claims 1 to 4, which is characterized in that the one or three pole
Pipe is NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385564.6A CN109272687A (en) | 2018-11-20 | 2018-11-20 | Put on display security alerting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385564.6A CN109272687A (en) | 2018-11-20 | 2018-11-20 | Put on display security alerting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109272687A true CN109272687A (en) | 2019-01-25 |
Family
ID=65190433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811385564.6A Pending CN109272687A (en) | 2018-11-20 | 2018-11-20 | Put on display security alerting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109272687A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110689699A (en) * | 2019-09-25 | 2020-01-14 | 广州天研自动化科技有限公司 | Construction site safety monitoring system |
| GB2611060A (en) * | 2021-09-24 | 2023-03-29 | Jc Electrical And Security Solutions Ltd | Alarm apparatus & method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590389A (en) * | 2014-10-23 | 2016-05-18 | 西安三维通信有限责任公司 | Alarm system for exhibition |
| CN207926438U (en) * | 2018-02-28 | 2018-09-28 | 广州智诚信息科技有限公司 | DC power supply |
-
2018
- 2018-11-20 CN CN201811385564.6A patent/CN109272687A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590389A (en) * | 2014-10-23 | 2016-05-18 | 西安三维通信有限责任公司 | Alarm system for exhibition |
| CN207926438U (en) * | 2018-02-28 | 2018-09-28 | 广州智诚信息科技有限公司 | DC power supply |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110689699A (en) * | 2019-09-25 | 2020-01-14 | 广州天研自动化科技有限公司 | Construction site safety monitoring system |
| GB2611060A (en) * | 2021-09-24 | 2023-03-29 | Jc Electrical And Security Solutions Ltd | Alarm apparatus & method |
| GB2611060B (en) * | 2021-09-24 | 2025-01-08 | Jc Electrical And Security Solutions Ltd | Alarm apparatus & method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190125 |
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| RJ01 | Rejection of invention patent application after publication |