CN109448285A - Exhibitions sacurity alarm system - Google Patents
Exhibitions sacurity alarm system Download PDFInfo
- Publication number
- CN109448285A CN109448285A CN201811385516.7A CN201811385516A CN109448285A CN 109448285 A CN109448285 A CN 109448285A CN 201811385516 A CN201811385516 A CN 201811385516A CN 109448285 A CN109448285 A CN 109448285A
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- Prior art keywords
- door
- window
- capacitor
- triode
- resistance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a kind of exhibitions sacurity alarm systems, including monitoring device, door and window inside monitoring device, central processing unit, Switch for door and window state monitoring apparatus, door and window lock control motor, door and window lock controller, alarm modules and power module on the outside of door and window, monitoring device, door and window inside monitoring device and Switch for door and window state monitoring apparatus are connect with central processing unit on the outside of door and window, and central processing unit is connect with door and window lock controller, alarm device and power module respectively；Power module includes the first DC power supply, the second DC power supply, first resistor, second resistance, operational amplifier, first capacitor, the 4th capacitor, the first triode, the second triode, the first inductance, the second capacitor, 3rd resistor, the 4th resistance, third capacitor and voltage output end.Implement exhibitions sacurity alarm system of the invention, have the advantages that circuit structure is relatively simple, cost is relatively low, maintain easily, the safety and reliability of circuit it is higher.
Description
Technical field
The present invention relates to exhibitions service field, in particular to a kind of exhibitions sacurity alarm system.
Background technique
With the high speed development of social economy, people start to new product, and trade information is more paid close attention to, display and demonstration industry
It grows rapidly therewith.Audience information statistics and show ground become safely a part indispensable in the present age advanced exhibitions,
And the mechanical most practical value for completing these work is exactly exhibitions gate inhibition's gate, exhibitions gate inhibition's gate, which has, enters and leaves portal
The multiple functions such as control, disengaging demographic data's statistics, security and anti-theft, alarm.Mainly facilitate show ground interior employee or exhibition
Spectators' disengaging, prevents external layman and arbitrarily enters and leaves, not only facilitated the management of show ground, but also enhance show ground
Security personnel.The component that the power pack of traditional exhibitions sacurity alarm system uses is more, and circuit structure is complicated, hardware cost compared with
It is high, it has not been convenient to safeguard.In addition, since the power pack of traditional exhibitions sacurity alarm system lacks corresponding circuit protection function,
Such as: lacking prevents signal interference function, causes the safety and reliability of circuit poor.
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 circuit structure compared with
For simple, cost is relatively low, maintains easily, the higher exhibitions sacurity alarm system of the safety and reliability of circuit.
The technical solution adopted by the present invention to solve the technical problems is: a kind of exhibitions sacurity alarm system is constructed, including
Monitoring device, door and window inside monitoring device, central processing unit, Switch for door and window state monitoring apparatus, door and window lock control on the outside of door and window
The outer tip end of door, institute is arranged in motor, door and window lock controller, alarm modules and power module, the door and window external monitor device
The inside top that the door is arranged in monitoring device on the inside of door and window is stated, is supervised on the inside of monitoring device and the door and window on the outside of the door and window
It surveys device and is all made of infrared identification monitoring device, the Switch for door and window state monitoring apparatus is arranged in the framework side of the door
Side, monitoring device on the outside of the door and window, monitoring device and the Switch for door and window state monitoring apparatus be and institute on the inside of the door and window
Central processing unit connection is stated, the central processing unit is arranged in monitoring room, and the central processing unit is locked with the door and window respectively
Controller, alarm device are connected with power module, and the door and window lock controller is also connect with the door and window lock control motor, described
Alarm device is arranged in the monitoring room, and the inside top of the door, the door and window control is arranged in the door and window lock controller
Motor setting processed is in door and window lock；
The power module includes the first DC power supply, the second DC power supply, first resistor, second resistance, operation amplifier
Device, first capacitor, the 4th capacitor, the first triode, the second triode, the first inductance, the second capacitor, 3rd resistor, the 4th electricity
Resistance, third capacitor and voltage output end, first DC power supply by the first resistor respectively with the operational amplifier
Non-inverting input terminal connected with one end of second resistance, the other end of second resistance ground connection, the operational amplifier it is defeated
Outlet is connect with one end of one end of the first capacitor and the 4th capacitor respectively, the other end of the 4th capacitor and described the
The base stage of one triode connects, the emitter ground connection of first triode, the collector of first triode and described the
The base stage of two triodes connects, and the emitter of second triode is connected by first inductance and second DC power supply
Connect, the collector of second triode respectively with the anode of second capacitor, one end of 3rd resistor, third capacitor one
End is connected with voltage output end, and the cathode of second capacitor is grounded, the other end of the 3rd resistor respectively with the operation
One end of the inverting input terminal of amplifier, the other end of first capacitor and the 4th resistance connects, the other end of the 4th resistance
It is grounded with the other end of third capacitor, the capacitance of the 4th capacitor is 430pF.
In exhibitions sacurity alarm system of the present invention, the power module further includes first diode, and described
The anode of one diode is connect with the other end of the first capacitor, the cathode of the first diode and the 3rd resistor
Other end connection, the model E-562 of the first diode.
In exhibitions sacurity alarm system of the present invention, the power module further includes the 5th capacitor, and the described 5th
One end of capacitor is connect with the collector of first triode, the other end and second triode of the 5th capacitor
Base stage connection, the capacitance of the 5th capacitor are 530pF.
In exhibitions sacurity alarm system of the present invention, the power module further includes the 5th resistance, and the described 5th
One end of resistance is connect with the emitter of first triode, the other end ground connection of the 5th resistance, the 5th resistance
Resistance value be 45k Ω.
In exhibitions sacurity alarm system of the present invention, first triode is NPN type triode.
In exhibitions sacurity alarm system of the present invention, second triode is PNP type triode.
Implement exhibitions sacurity alarm system of the invention, has the advantages that due to being equipped with monitoring dress on the outside of door and window
It sets, monitoring device, central processing unit, Switch for door and window state monitoring apparatus, door and window lock control motor, door and window lock control on the inside of door and window
Device, alarm modules and power module, power module include the first DC power supply, the second DC power supply, first resistor, the second electricity
Resistance, operational amplifier, first capacitor, the 4th capacitor, the first triode, the second triode, the first inductance, the second capacitor, third
Resistance, the 4th resistance, third capacitor and voltage output end, the power pack of the power module and traditional exhibitions sacurity alarm system
It compares, the component used is less, due to saving some components, hardware cost can be reduced in this way, in addition, the 4th electricity
Hold for preventing the interference between operational amplifier and the first triode, therefore circuit structure is relatively simple, cost is relatively low, conveniently
Maintenance, the safety and reliability of circuit are 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 exhibitions sacurity alarm system one embodiment of the present invention；
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 exhibitions sacurity alarm system embodiment of the present invention, the structural schematic diagram of the exhibitions sacurity alarm system such as Fig. 1
It is shown.In Fig. 1, which includes monitoring device 1 on the outside of door and window, monitoring device 2, central processing on the inside of door and window
Device 3, Switch for door and window state monitoring apparatus 4, door and window lock control motor 5, door and window lock controller 6, alarm modules 7 and power module 8,
Wherein, the outer tip end of door is arranged in door and window external monitor device 1, and the inside top of door, door is arranged in monitoring device 2 on the inside of door and window
Side monitoring device 1 and door and window inside monitoring device 2 are all made of infrared identification monitoring device, Switch for door and window state monitoring apparatus outside window
4 are arranged on the inside of the framework side of door, monitoring device 1, door and window inside monitoring device 2 and Switch for door and window status monitoring on the outside of door and window
Device 4 is connect with central processing unit 3, central processing unit 3 be arranged in monitoring room, central processing unit 3 respectively with door and window lock control
Device 6, alarm device 7 and power module 8 processed connect, and door and window lock controller 6 is also connect with door and window lock control motor 5, alarm device 7
It is arranged in monitoring room, the inside top of door is arranged in door and window lock controller 6, and door and window controls the setting of motor 5 in door and window lock.
It is outer by the way that whether the real time monitoring of monitoring device 2 remaining doorway of exhibitions on the inside of monitoring device 1 on the outside of door and window and door and window has
Boundary personnel swarm into, once pass through monitoring device 1, door and window inside monitoring device 2 and Switch for door and window status monitoring dress on the outside of door and window
The synergistic effect for setting 4 detects that extraneous personnel's swarms into the case where either internal staff's door and window lock is not turned off, in real time
Message is transmitted to central processing unit 3, central processing unit 3 utilizes door by transmitting signal to door and window lock controller 6, alarm modules 7
Sash lock controller 6 controls the control door and window lock of door and window lock control motor 5 and is locked first, while opens alarm device 7, Xiang Wei
It is sounded an alarm in monitoring indoor staff, reminds staff to check in time, realize Automatic Control.
Fig. 2 is the circuit diagram of power module in the present embodiment, and in Fig. 2, which includes the first DC power supply
VCC, the second DC power supply VDD, first resistor R1, second resistance R2, operational amplifier A1, first capacitor C1, the 4th capacitor C4,
First triode Q1, the second triode Q2, the first inductance L1, the second capacitor C2,3rd resistor R3, the 4th resistance R4, third electricity
Hold C3 and voltage output end Vo, wherein the first DC power supply VCC by first resistor R1 respectively with the same phase of operational amplifier A1
Input terminal is connected with one end of second resistance R2, the other end ground connection of second resistance R2, the output end difference of operational amplifier A1
It is connect with one end of one end of first capacitor C1 and the 4th capacitor C4, the base of the other end of the 4th capacitor C4 and the first triode Q1
Pole connection, the emitter ground connection of the first triode Q1, the collector of the first triode Q1 are connect with the base stage of the second triode Q2,
The emitter of second triode Q2 is connect by the first inductance L1 with the second DC power supply VDD, the collector of the second triode Q2
It is connect respectively with the anode of the second capacitor C2, one end of 3rd resistor R3, one end of third capacitor C3 and voltage output end Vo, the
The cathode of two capacitor C2 is grounded, the other end of 3rd resistor R3 respectively with the inverting input terminal of operational amplifier A1, first capacitor
The connection of one end of the other end of C1 and the 4th resistance R4, the other end of the 4th resistance R4 and the other end of third capacitor C3 connect
Ground.
For the power module 8 compared with the power pack of traditional exhibitions sacurity alarm system, the component used is less, electricity
Line structure is relatively simple, maintains easily, and due to saving some components, can reduce hardware cost in this way.In addition, the 4th electricity
Appearance C4 is coupled capacitor, for preventing the interference between operational amplifier A1 and the first triode Q1, therefore the safety of circuit
It is higher with reliability.It is noted that the capacitance of the 4th capacitor C4 is that 430pF is actually being answered certainly in the present embodiment
In, the capacitance of the 4th capacitor C4 can adjust accordingly as the case may be, that is, the capacitance of the 4th capacitor C4
It can be increased accordingly or be reduced as the case may be.
When as soon as the voltage of the first DC power supply VCC is fixed value, by first resistor R1 and second resistance R2
Voltage VA at the non-inverting input terminal of road operational amplifier A1, voltage when just powering at the inverting input terminal of operational amplifier A1
VB is equal to 0；Operational amplifier A1 exports high level, the first triode Q1 conducting, and output voltage is charged by the second capacitor C2,
Voltage output end Vo obtains certain voltage, the partial pressure effect of 3rd resistor R23 and the 4th resistance R4, so that VB is stepped up to
It exporting low level the first triode Q1 equal to VA, operational amplifier A1 and closes, VB voltage slowly reduces, when being less than VA, operation
Amplifier A1 exports high level, the first triode Q1 conducting.So in circulation turn on process, lead to VB's and voltage output end Vo
Voltage is all sawtooth wave, by keeping the voltage of VB and voltage output end Vo steady to operational amplifier A1 increase first capacitor C1,
The voltage of VB is no better than the voltage of VA, and operational amplifier A1 at this time exports a stable voltage 0.6V, makes the first triode
Q1 conducting.To which voltage output end Vo exports a fixed value.Even if the second DC power supply VDD how to increase again (if the two or three
Pole pipe Q2 can be sustained), voltage output end Vo is the constant voltage values less than the first DC power supply VCC forever.
In the present embodiment, the first triode Q1 is NPN type triode, and the second triode Q2 is PNP type triode.Certainly,
In practical applications, the first triode Q1 can use PNP type triode, and the second triode Q2 can also use three pole of NPN type
Pipe, but at this moment the structure of circuit also will accordingly change.
In the present embodiment, which further includes first diode D1, the anode and first capacitor of first diode D1
The other end of C1 connects, and the cathode of first diode D1 is connect with the other end of 3rd resistor R3.First diode D1 is current limliting
Diode, for carrying out current-limiting protection, to further enhance the safety and reliability of circuit.It is noted that this implementation
In example, the model E-562 of first diode D1, certainly, in practical applications, first diode D1 can also use its alloytype
Number with similar functions diode.
In the present embodiment, which further includes the 5th capacitor C5, one end of the 5th capacitor C5 and the first triode Q1
Collector connection, the other end of the 5th capacitor C5 connect with the base stage of the second triode Q2.5th capacitor C5 is coupled capacitor,
For preventing the interference between the first triode Q1 and the second triode Q2, further to enhance the safety of circuit and reliable
Property.It is noted that the capacitance of the 5th capacitor C5 is 530pF in the present embodiment, certainly, in practical applications, the 5th electricity
The capacitance for holding C5 can adjust accordingly as the case may be, that is, the capacitance of the 5th capacitor C5 can be according to specific
Situation is increased accordingly or is reduced.
In the present embodiment, which further includes the 5th resistance R5, one end of the 5th resistance R5 and the first triode Q1
Emitter connection, the 5th resistance R5 the other end ground connection.5th resistance R5 is current-limiting resistance, for the first triode Q1's
Emitter current carries out current-limiting protection, to further enhance current limitation effect.It is noted that in the present embodiment, the 5th resistance
The resistance value of R5 is 45k Ω, and certainly, in practical applications, the resistance value of the 5th resistance R5 can be adjusted accordingly as the case may be
It is whole, that is, the resistance value of the 5th resistance R5 can be increased accordingly or be reduced as the case may be.
In short, the power module 8 makes compared with the power pack of traditional exhibitions sacurity alarm system in the present embodiment
Component is less, and circuit structure is relatively simple, maintains easily, and due to saving some components, can reduce so hard
Part cost.In addition, being equipped with coupled capacitor in the power module 8, 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 exhibitions sacurity alarm system, which is characterized in that including monitoring device on the inside of monitoring device on the outside of door and window, door and window,
Central processing unit, Switch for door and window state monitoring apparatus, door and window lock control motor, door and window lock controller, alarm modules and power supply mould
The outer tip end of door is arranged in block, the door and window external monitor device, and monitoring device is arranged in the door on the inside of the door and window
Side top, monitoring device is all made of infrared identification monitoring device on the inside of monitoring device and the door and window on the outside of the door and window, described
Switch for door and window state monitoring apparatus is arranged on the inside of the framework side of the door, monitoring device, the door and window on the outside of the door and window
Inside monitoring device and the Switch for door and window state monitoring apparatus are connect with the central processing unit, and the central processing unit is set
It sets in monitoring room, the central processing unit is connect with the door and window lock controller, alarm device and power module respectively, described
Door and window lock controller is also connect with the door and window lock control motor, and the alarm device is arranged in the monitoring room, the door
The inside top of the door is arranged in sash lock controller, and the door and window control motor setting is in door and window lock；
The power module includes the first DC power supply, the second DC power supply, first resistor, second resistance, operational amplifier, the
One capacitor, the 4th capacitor, the first triode, the second triode, the first inductance, the second capacitor, 3rd resistor, the 4th resistance,
Three capacitors and voltage output end, first DC power supply by the first resistor respectively with the same phase of the operational amplifier
Input terminal is connected with one end of second resistance, the other end ground connection of the second resistance, the output end point of the operational amplifier
It is not connect with one end of one end of the first capacitor and the 4th capacitor, the other end of the 4th capacitor and the one or three pole
The base stage of pipe connects, the emitter ground connection of first triode, the collector of first triode and the two or three pole
The base stage of pipe connects, and the emitter of second triode is connect by first inductance with second DC power supply, institute
State the collector of the second triode respectively with the anode of second capacitor, one end of 3rd resistor, third capacitor one end and
Voltage output end connection, second capacitor cathode ground connection, the other end of the 3rd resistor respectively with the operation amplifier
One end of the inverting input terminal of device, the other end of first capacitor and the 4th resistance connects, the other end of the 4th resistance and the
The other end of three capacitors is grounded, and the capacitance of the 4th capacitor is 430pF.
2. exhibitions sacurity alarm system according to claim 1, which is characterized in that the power module further includes the one or two
Pole pipe, the anode of the first diode are connect with the other end of the first capacitor, the cathode of the first diode and institute
State the other end connection of 3rd resistor, the model E-562 of the first diode.
3. exhibitions sacurity alarm system according to claim 2, which is characterized in that the power module further includes the 5th electricity
Hold, one end of the 5th capacitor connect with the collector of first triode, the other end of the 5th capacitor with it is described
The base stage of second triode connects, and the capacitance of the 5th capacitor is 530pF.
4. exhibitions sacurity alarm system according to claim 3, which is characterized in that the power module further includes the 5th electricity
Resistance, one end of the 5th resistance are connect with the emitter of first triode, the other end ground connection of the 5th resistance, institute
The resistance value for stating the 5th resistance is 45k Ω.
5. exhibitions sacurity alarm 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.
6. exhibitions sacurity alarm system according to any one of claims 1 to 4, which is characterized in that the two or three pole
Pipe is PNP type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385516.7A CN109448285A (en) | 2018-11-20 | 2018-11-20 | Exhibitions sacurity alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385516.7A CN109448285A (en) | 2018-11-20 | 2018-11-20 | Exhibitions sacurity alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109448285A true CN109448285A (en) | 2019-03-08 |
Family
ID=65554000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811385516.7A Pending CN109448285A (en) | 2018-11-20 | 2018-11-20 | Exhibitions sacurity alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109448285A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441675A (en) * | 2013-08-29 | 2013-12-11 | 福尔斯通电子(昆山)有限公司 | Constant current voltage stabilizing circuit |
| CN205302515U (en) * | 2015-12-17 | 2016-06-08 | 天津市云图汇展科技有限公司 | A safety alarm system for exhibitions |
| CN105938632A (en) * | 2015-12-17 | 2016-09-14 | 天津市云图汇展科技有限公司 | Security platform for exhibition |
| CN208063227U (en) * | 2018-04-18 | 2018-11-06 | 南京渔管家物联网科技有限公司 | Support the agriculture big data gateway of multi-protocols |
-
2018
- 2018-11-20 CN CN201811385516.7A patent/CN109448285A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441675A (en) * | 2013-08-29 | 2013-12-11 | 福尔斯通电子(昆山)有限公司 | Constant current voltage stabilizing circuit |
| CN205302515U (en) * | 2015-12-17 | 2016-06-08 | 天津市云图汇展科技有限公司 | A safety alarm system for exhibitions |
| CN105938632A (en) * | 2015-12-17 | 2016-09-14 | 天津市云图汇展科技有限公司 | Security platform for exhibition |
| CN208063227U (en) * | 2018-04-18 | 2018-11-06 | 南京渔管家物联网科技有限公司 | Support the agriculture big data gateway of multi-protocols |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |
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| RJ01 | Rejection of invention patent application after publication |