CN205810089U - A kind of sound-magnetic electronic burglary-resisting system sync detection device - Google Patents
A kind of sound-magnetic electronic burglary-resisting system sync detection device Download PDFInfo
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- CN205810089U CN205810089U CN201620762850.XU CN201620762850U CN205810089U CN 205810089 U CN205810089 U CN 205810089U CN 201620762850 U CN201620762850 U CN 201620762850U CN 205810089 U CN205810089 U CN 205810089U
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Abstract
This utility model relates to a kind of sound-magnetic electronic burglary-resisting system sync detection device, belongs to sound magnetic technical field of burglary prevention.Including synchronous transmitter and synchronous receiver, synchronous transmitter includes the first control module, a LC frequency detection module, wireless transmitter module, the first power module and the first display module, oneth LC frequency detection module, wireless transmitter module and the first display module and the electrical connection of the first control module, the first power module and the first control module, wireless transmitter module and the electrical connection of the first display module；Synchronous transmitter includes the second control module, the 2nd LC frequency detection module, wireless receiving module, second source module and the second display module, wireless receiving module and the second display module and the second control module electrically connect, and second source module electrically connects with the second control module, the 2nd LC frequency detection module, wireless receiving module and the second display module.
Description
Technical field
This utility model relates to sound magnetic technical field of burglary prevention, particularly relates to a kind of sound-magnetic electronic burglary-resisting system synchronous detecting
Device, particularly relates to a kind of 58KHz sound-magnetic electronic burglary-resisting system sync detection device.
Background technology
58KHz sound magnetic burglary-resisting system (the Electronic Article Surveillance used on the market at present
(EAS) operation principle) is as shown in Figure 1: sound magnetic burglary-resisting installation to the alternating magnetic field of spatial emission 58KHz, launch time 0.5-2
About Hao Miao；In the range of this alternating magnetic field, if the magnetic stripe having natural frequency to be 58KHz (magnetic labels), this magnetic stripe can be sent out
Raw resonance, sound magnetic burglary-resisting installation receives the resonance decay signal of magnetic stripe will trigger acousto-optic system warning.If multiple stage sound magnetic is prevented
Launch during robber's equipment difference and receive (also cry transmitting and receive asynchronous), then burglary-resisting installation will disorderly be reported to the police or not report
Alert.Current burglary-resisting installation is all that requirement is connected on the same phase power line of 220V civil power, but also to be ensured of left zero right fire,
Zero crossing rising edge or trailing edge (or zero crossing sets a constant time lag, also has the equipment of other radiation pattern) at alternating current
Launch simultaneously, be illustrated in figure 2 rising edge and launch.If the power line of some sound magnetic burglary-resisting installations is that (equipment makes left fire right zero
With side electrician power line connect instead or equipment has made employment that anti-inserted for attaching plug or power line are received other biphase electricity
On supply socket), sound magnetic burglary-resisting installation will be caused to launch asynchronous, sound magnetic burglary-resisting installation will disorderly be reported to the police or not report to the police, sound magnetic
Burglary-resisting installation producer will go which power line wrong equipment one by one checks in the scene of sending someone, and have a lot of sales field
(as supermarket) can only check evening, so can waste a lot of manpower and financial resources, but also affect the use of equipment, supplies equipment
Should the most also have negative impact, the most also there is no the equipment that the work of this detection 58KHz sound magnetic burglary-resisting installation synchronizes.
Summary of the invention
In order to solve the problems referred to above, this utility model embodiment provides a kind of sound-magnetic electronic burglary-resisting system synchronous detecting dress
Put, it is possible to whether synchronize to make to the work of sound magnetic burglary-resisting installation and simple and quick judge accurately.Its concrete principle is: synchronized transmissions
After the information that sound magnetic burglary-resisting installation launched by device receives, send display module to show, and by wireless transmitter module, this information is sent out
See off；Synchronous receiver receives the transmitting information of an other sound magnetic machine and the information that wireless transmitter module transmitting is next,
Then carry out two information calculating comparison, and the synchronizing information of comparison is shown, i.e. can determine whether according to the numerical value of display
Whether two sound magnetic burglary-resisting installations synchronize.Described technical scheme is as follows:
This utility model embodiment provides a kind of sound-magnetic electronic burglary-resisting system sync detection device, including synchronous transmitter
And synchronous receiver, described synchronous transmitter include the first control module, a LC frequency detection module, wireless transmitter module,
First power module and the first display module, a described LC frequency detection module, wireless transmitter module and the first display module
Electrically connect with the first control module, described first power module and the first control module, wireless transmitter module and the first display mould
Block electrically connects；Described synchronous transmitter include the second control module, the 2nd LC frequency detection module, wireless receiving module, second
Power module and the second display module, described 2nd LC frequency detection module, wireless receiving module and the second display module and
Two control module electrical connections, described second source module and the second control module, wireless receiving module and the second display module electricity
Connect.
Wherein, the LC frequency detection module in this utility model embodiment and the 2nd LC frequency detection module are
58KHzLC wireless receiving circuit.
Wherein, the wireless transmitter module in this utility model embodiment is 433MHz radio transmitter, described wireless connects
Receiving module is 433MHz wireless receiving circuit.
Preferably, the synchronous transmitter in this utility model embodiment also includes the first Power Monitoring Unit, described first
Power Monitoring Unit and the first control module and the first power module electrically connect.
Preferably, the synchronous receiver in this utility model embodiment also includes second source monitoring module, described second
Power Monitoring Unit and the second control module and second source module electrically connect.
Specifically, the first power module in this utility model embodiment and second source module are battery.
Specifically, the first display module in this utility model embodiment and the second display module are charactron.
Having the beneficial effect that of the technical scheme that this utility model embodiment provides
1, battery is powered, it is not necessary to external power supply, easy to use；
2, radio communication, it is not necessary to external order wire to sound magnetic burglary-resisting installation, emitting structural and receive structure also without
External order wire, uses convenient；
3, using simply, layman also can use, and charactron directly displays sound magnetic machine and launches synchronizing information, it is not necessary to
Send professional person to Solve on site stationary problem, be greatly saved manpower and financial resources.
Accompanying drawing explanation
Fig. 1 is existing 58KHz sound magnetic burglary-resisting installation fundamental diagram；
Fig. 2 is the existing 58KHz sound magnetic burglary-resisting installation transmitting figure at rising edge；
The schematic diagram of the sound-magnetic electronic burglary-resisting system sync detection device that Fig. 3 provides for this utility model；
The structured flowchart of the sound-magnetic electronic burglary-resisting system sync detection device that Fig. 4 provides for this utility model；
Fig. 5 is the zero-crossing of alternating current rising edge transmitting figure of magnetic burglary-resisting installation；
Fig. 6 is the sequential chart that the information that synchronous transmitter launches the sound magnetic burglary-resisting installation of Fig. 5 is transmitted to synchronous receiver；
Fig. 7 is the zero-crossing of alternating current trailing edge transmitting figure of another sound magnetic burglary-resisting installation；
Fig. 8 is the information sequential chart that synchronous receiver receives the synchronous transmitter of Fig. 6.
Detailed description of the invention
Below in conjunction with embodiment, detailed description of the invention of the present utility model is described in further detail.Following example
For this utility model is described, but it is not limited to scope of the present utility model.
Seeing Fig. 3 and 4, this utility model embodiment provides a kind of sound-magnetic electronic burglary-resisting system sync detection device, bag
Include synchronous transmitter 1 and synchronous receiver 2.Wherein, synchronous transmitter 1 includes the first control module the 11, the oneth LC frequency detecting
Module 12, wireless transmitter module the 13, first power module 14 and the first display module 15, a LC frequency detection module 12, nothing
Line transmitter module 13 and the first display module 15 electrically connect with the first control module 11, and the first power module 14 and first controls mould
Block 11, wireless transmitter module 13 and the first display module 15 electrically connect.Wherein, synchronous transmitter 2 include the second control module 21,
2nd LC frequency detection module 22, wireless receiving module 23, second source module 24 and the second display module 25, the 2nd LC frequency
Detection module 22, wireless receiving module 23 and the second display module 25 electrically connect with the second control module 21, second source module
24 electrically connect with the second control module 21, wireless receiving module 23 and the second display module 25.Wherein, a LC frequency detecting mould
Block 12 and the 2nd LC frequency detection module 22 are respectively used to detect the tranmitting frequency of two sound magnetic burglary-resisting installations, its resonant frequency and sound
The tranmitting frequency of magnetic burglary-resisting installation is identical；Wireless transmitter module 13 is the most corresponding with wireless receiving module 23, and it is launched and receives
Frequency identical；First power module 14 and second source module 24 are used for as each module for power supply, preferably compact power；The
One control module 11 and the second control module 21 are main control chip, are specifically as follows CPU, single-chip microcomputer or microprocessor etc.；First
Display module 15 and the second display module 25 are used for showing information, and it at least can display digit.
Wherein, the LC frequency detection module 12 in this utility model embodiment and the 2nd LC frequency detection module 22 can
Think 58KHz or 7.8-8.2MHzLC wireless receiving circuit；Specifically, 58KHzLC wireless receiving circuit it is.
Wherein, the wireless transmitter module 13 in this utility model embodiment is 315MHz or 433MHz radio transmitter；
Considering its power, it is specially 433MHz radio transmitter.Wherein, wireless receiving module 23 is that 315MHz or 433MHz is wireless
Receive circuit；Considering its power, it is specially 433MHz wireless receiving circuit.
Preferably, seeing Fig. 3, the synchronous transmitter 1 in this utility model embodiment also includes the first Power Monitoring Unit
16, this first Power Monitoring Unit 16 electrically connects with the first control module 11 and the first power module 14.
Preferably, seeing Fig. 3, the synchronous receiver 2 in this utility model embodiment also includes second source monitoring module
26, second source monitoring module 26 electrically connects with the second control module 21 and second source module 24.
Two Power Monitoring Unit of aforementioned setting are used for monitoring electric quantity of power supply, and it is right that control module can receive its information about power
After send display module to show, or Power Monitoring Unit arranges an acousto-optic warning unit, and control module detects that it is in low electricity
During amount, drive sound and light alarm.Above-mentioned design is easy to predict in advance electricity, it is to avoid inconvenient when use in the evening.
Specifically, the first power module 14 and second source module 24 in this utility model embodiment are battery, tool
Body can be alkaline battery, carbon battery, rechargeable battery or button cell etc..
Specifically, the first display module 15 in this utility model embodiment and the second display module 25 are charactron
(including its drive circuit), specially 2-5 Digital sum shows.More specifically, the first display module 15 is that three Digital sum show, the
Two display modules 25 are that three Digital sum show.
Illustrating the work process of this device below in conjunction with Fig. 3 and 4, its detection process is: respectively by synchronized transmissions
Device and synchronous receiver are in the range of two 58KHz sound magnetic burglary-resisting installation work, on synchronous transmitter and synchronous receiver
Electricity is initialized into system major cycle, and the 58KHz LC wireless receiving circuit of synchronous transmitter samples the first sound magnetic burglary-resisting installation
3 information launched, are then launched the information sampled by 433MHz radio transmitter.Synchronous receiver
433MHz wireless receiving circuit receives the information of synchronous transmitter and 58KHz LC wireless receiving circuit receives rising tone magnetic
The information that burglary-resisting installation 4 is launched, it carries out computing comparison to these two groups of sampled datas, calculates two sound magnetic burglary-resisting system and launch
Minimum interval and show on the charactron of synchronous receiver, as judge (need to combine synchronized transmissions under the frequency having
The frequency that device shows judges jointly) these two sound magnetic burglary-resisting system launch the foundation whether synchronized.For the antitheft system of multiple stage sound magnetic
System, using the transmitting of the most any one sound magnetic machine as benchmark, other check one by one.
More specifically, for the alternating current of 50Hz, if sound magnetic machine tranmitting frequency is to be 20ms in the 50Hz(cycle), then same
The numeral method 20 of step emitter；If sound magnetic machine tranmitting frequency is 75Hz (cycle is about 13.3 milliseconds), then synchronize to send out
The numeral method 13 of emitter.These data are launched by 433MHz radio transmitter simultaneously；Synchronous receiver is placed on separately
In an outer sound magnetic burglary-resisting installation transmitting boundary, its resonant frequency is that the LC wireless receiving circuit of 58KHz receives this sound magnetic and sets
Standby transmitting information (launching the cycle), its 433MHz wireless receiving circuit receives synchronous transmitter and launches the synchronized transmissions letter come
Breath (launch cycle), the two is launched the cycle and is carried out time difference calculating, and the synchronizing information that will calculate on a timeline by it
(time difference) shows on its charactron, if time difference is (wireless transmit error, mistake in the range of 0-0.3 millisecond
Zero point detection error, calculates error etc.), then it is assumed that it is to synchronize.See Fig. 5-8, if two sound magnetic machines launch the cycle all
Being 20 milliseconds, wherein an equipment 220V alternating current fire wire and zero line are by normally connecing, and as shown in Fig. 5-6 and 8, it is opened at rising edge
Originating and penetrate, synchronous transmitter receives its information, and 433MHz radio transmitter is to emission square wave simultaneously, then synchronous transmitter
The transmitting often receiving an infrasonic sound magnetic machine just sends 7 milliseconds of high level to synchronous receiver, launches cycle harmony magnetic antitheft
The transmitting cycle of equipment is identical.Wherein, another sound magnetic machine 220V alternating current fire wire and zero line connect instead, as it is shown in fig. 7, its
Starting to launch at trailing edge, synchronous receiver receives its information, and the synchronous transmitter of 433MHz wireless receiving circuit reception simultaneously is sent out
The square wave penetrated.Time difference the most now is 10 milliseconds, numeral method 9.7-10.3, then it represents that be reverse-phase, work
Make personnel and just can judge whether these two sound magnetic burglary-resisting installation work synchronize by this information, if reverse-phase
, live wire and zero line are swapped round.
Wherein, " first " and " second " in this utility model embodiment only plays differentiation effect, without other Special Significance.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (7)
1. a sound-magnetic electronic burglary-resisting system sync detection device, it is characterised in that include synchronous transmitter and synchronous receiver,
Described synchronous transmitter include the first control module, a LC frequency detection module, wireless transmitter module, the first power module and
First display module, a described LC frequency detection module, wireless transmitter module and the first display module and the first control module
Electrical connection, described first power module and the first control module, wireless transmitter module and the electrical connection of the first display module；Described same
Step emitter includes that the second control module, the 2nd LC frequency detection module, wireless receiving module, second source module and second are aobvious
Show module, described 2nd LC frequency detection module, wireless receiving module and the second display module and the electrical connection of the second control module,
Described second source module electrically connects with the second control module, wireless receiving module and the second display module.
Sound-magnetic electronic burglary-resisting system sync detection device the most according to claim 1, it is characterised in that a described LC frequency
Rate detection module and the 2nd LC frequency detection module are 58KHzLC wireless receiving circuit.
Sound-magnetic electronic burglary-resisting system sync detection device the most according to claim 1, it is characterised in that described wireless transmit
Module is 433MHz radio transmitter, and described wireless receiving module is 433MHz wireless receiving circuit.
Sound-magnetic electronic burglary-resisting system sync detection device the most according to claim 1, it is characterised in that described synchronized transmissions
Device also includes that the first Power Monitoring Unit, described first Power Monitoring Unit and the first control module and the first power module are electrically connected
Connect.
Sound-magnetic electronic burglary-resisting system sync detection device the most according to claim 1, it is characterised in that described synchronization receives
Device also includes that second source monitoring module, described second source monitoring module and the second control module and second source module are electrically connected
Connect.
Sound-magnetic electronic burglary-resisting system sync detection device the most according to claim 1, it is characterised in that described first power supply
Module and second source module are battery.
Sound-magnetic electronic burglary-resisting system sync detection device the most according to claim 1, it is characterised in that described first display
Module and the second display module are charactron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620762850.XU CN205810089U (en) | 2016-07-19 | 2016-07-19 | A kind of sound-magnetic electronic burglary-resisting system sync detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620762850.XU CN205810089U (en) | 2016-07-19 | 2016-07-19 | A kind of sound-magnetic electronic burglary-resisting system sync detection device |
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| Publication Number | Publication Date |
|---|---|
| CN205810089U true CN205810089U (en) | 2016-12-14 |
Family
ID=57508095
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620762850.XU Expired - Fee Related CN205810089U (en) | 2016-07-19 | 2016-07-19 | A kind of sound-magnetic electronic burglary-resisting system sync detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106652294A (en) * | 2016-12-22 | 2017-05-10 | 思创医惠科技股份有限公司 | Testing device for antitheft system deactivator |
-
2016
- 2016-07-19 CN CN201620762850.XU patent/CN205810089U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106652294A (en) * | 2016-12-22 | 2017-05-10 | 思创医惠科技股份有限公司 | Testing device for antitheft system deactivator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20180719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |