CN107024726A - Anti- electronic equipment removes detection means by mistake - Google Patents
Anti- electronic equipment removes detection means by mistake Download PDFInfo
- Publication number
- CN107024726A CN107024726A CN201710202089.3A CN201710202089A CN107024726A CN 107024726 A CN107024726 A CN 107024726A CN 201710202089 A CN201710202089 A CN 201710202089A CN 107024726 A CN107024726 A CN 107024726A
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- acceleration
- photosensitive sensors
- processing unit
- electronic equipment
- light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
Detection means is removed by mistake the invention provides a kind of anti-electronic equipment, because photosensitive sensors are arranged on the circuit board inside electronic product, light inlet is provided with shell, so when electronic product is removed, into the light enhancing in shell, photosensitive sensors experience luminous intensity and intensity information are sent into processing unit, acceleration transducer is arranged on electronic product, acceleration for detecting electronic product, and acceleration information is sent to processing unit, setup unit is used to set light sensation intensity threshold and the twice threshold value of the angle between acceleration, processing unit judges whether electronic equipment is removed according to the angle between luminous intensity and two acceleration, alarm unit is alarmed according to the result of processing unit, therefore avoid because installation question causes light leak so as to produce wrong report, the limitation that object is detected in motion using acceleration transducer is solved simultaneously, improve the accuracy of device detection.
Description
Technical field
The invention belongs to detection technique field, and in particular to a kind of anti-electronic equipment removes detection means by mistake.
Background technology
Electronic monitoring product in part is arranged on such as vehicle, container and other items, for monitoring its driving behavior or chasing after
Its action path of track.These electronic monitoring products are had to be arranged on these monitored objects, and these objects could be entered
Row monitoring, it then becomes necessary to learn whether such monitoring electronic product is planned outer dismounting.
At present, some electronic monitoring product photosensitive sensors installed above, the light gathered using photosensitive sensors is sentenced
Whether disconnected equipment is removed, and some electronic monitoring products install acceleration transducer, the electronics gathered using acceleration transducer
The acceleration of product is monitored to judge whether equipment is removed.However, this electron-like prison of installation photosensitive sensors on the market
Control product may cause light leak to produce wrong report due to installation question；Although and acceleration transducer can provide Sensor and fix
Three axle stress size, detect the motion of object, but be due to that object is inherently constantly being moved, it is difficult single to cause
Judge whether equipment is removed from acceleration transducer.
The content of the invention
The present invention is carried out to solve the above problems, it is therefore intended that electronics can accurately be detected by providing one kind
The anti-electronic equipment whether equipment is removed removes detection means by mistake.
Detection means, on electronic product, electronic product are removed by mistake the invention provides a kind of anti-electronic equipment
There is space between circuit board and shell, it is characterised in that including：Photosensitive sensors, are installed on circuit boards；Acceleration sensing
Device, on electronic product；Setup unit, the threshold value for setting the angle between intensity threshold and two acceleration；
Memory cell, for storing acceleration when intensity threshold, the threshold value of angle and stable state；Processing unit, with photosensitive sensors,
Acceleration transducer is connected, for receiving the signal of photosensitive sensors and acceleration transducer transmission and being handled；And report
Alert unit, is connected with processing unit, alarm signal is sent according to the result of processing unit, wherein, shell is sensed with light sensation
The relative one side of device is provided with light inlet, and the light intensity signal that processing unit first sends the photosensitive sensors received is with setting
The intensity threshold of order member setting is compared, if light intensity signal is more than intensity threshold, calculates this brief acceleration
The angle between acceleration direction when the acceleration direction of sensor transmission and stable state, if angle is set more than setup unit
Angle threshold value, then send result to alarm unit, alarm unit sends alarm signal.
Further, in the anti-electronic equipment that the present invention is provided removes detection means by mistake, it can also have the feature that：
Wherein, position of the photosensitive sensors on the circuit board to the light inlet distance be beeline.
Further, in the anti-electronic equipment that the present invention is provided removes detection means by mistake, it can also have the feature that：
Wherein, it is provided with light-guiding pillar between light inlet and the photosensitive sensors.
Further, in the anti-electronic equipment that the present invention is provided removes detection means by mistake, it can also have the feature that：
Wherein, acceleration during stable state is the steady-state value that the real-time acceleration information sent according to acceleration transducer is obtained, and
Acceleration during stable state needs to be upgraded in time according to the conversion of real-time acceleration.
The invention has the advantages that：
Detection means is removed according to anti-electronic equipment involved in the present invention by mistake, because photosensitive sensors are produced installed in electronics
On circuit board inside product, light inlet is provided with shell, so when electronic product is removed, increasing into the light in shell
By force, photosensitive sensors experience luminous intensity and intensity information are sent into processing unit, and acceleration transducer is arranged on electronics
On product, the acceleration for detecting electronic product, and acceleration information is sent to processing unit, setup unit is used to set
The threshold value of angle between light sensation intensity threshold and twice acceleration, processing unit is according between luminous intensity and two acceleration
Angle judges whether electronic equipment is removed, and alarm unit is alarmed according to the result of processing unit, therefore, it is to avoid
Because installation question causes light leak so as to produce wrong report, detected while solving object in motion using acceleration transducer
Acceleration is difficult that the problem of whether object is removed judged, improves the accuracy of device detection.
Brief description of the drawings
Fig. 1 is the easy structure schematic diagram of anti-electronic equipment mistake dismounting detection means in embodiments of the invention；
Fig. 2 is the process chart of processing unit in embodiments of the invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, it is real below
Applying anti-electronic equipment of the example combination accompanying drawing to the present invention, dismounting detection means is specifically addressed by mistake.
Included as shown in figure 1, anti-electronic equipment removes detection means 100 by mistake：Photosensitive sensors 30, acceleration transducer
40th, setup unit (not shown), memory cell (not shown), processing unit (not shown) and alarm unit
(not shown).
Electronic equipment includes shell 10 and circuit board 20.Circuit board 20 is arranged in shell 10, and circuit board 20 and shell
There is gap between 10.Light inlet 11 is provided with shell 10.
Photosensitive sensors 30 are arranged on the interior circuit board 20 of shell 10.Photosensitive sensors 30 are connected with processing unit, light sensation
Sensor 30 is used for the intensity for detecting light, and the light sensation strength signal of detection is sent into processing unit.In the present embodiment,
Position of the photosensitive sensors 30 on circuit board 20 to light inlet 11 distance be beeline.Seen with the position in Fig. 1, light sensation
Sensor 30 is located at the underface of light inlet 11, and when shell 10 departs from monitored object, photosensitive sensors 30 can be examined in time
Measure the change of light, it is to avoid because light inlet 11 is not big enough, light sensation sensing can not be shone directly into installed in other positions light
Device 30, causes photosensitive sensors 30 to detect inaccurate.
In the present embodiment, light-guiding pillar 50 is provided between light inlet 11 and photosensitive sensors 30.Light-guiding pillar 50 is used to make
Obtain photosensitive sensors 30 and obtain the maximum perceptibility that exterior light is shone.Avoid light inlet 11 less than normal and angle of incidence of light degree is passed to light sensation
The photosensitive influence of sensor 30.
Acceleration transducer 40 is installed on an electronic device, is connected with processing unit.Acceleration transducer 40 can be installed
On shell 10, it can also be arranged on circuit board 20, as long as can simultaneously be moved with electronic equipment.In the present embodiment,
Acceleration transducer 40 is arranged on inside shell 10.
The threshold value of angle of the setup unit between setting intensity threshold and two acceleration.
Memory cell is used to store acceleration when intensity threshold, the threshold value of angle and stable state.
When electronic equipment is just arranged on object, the acceleration that memory cell storage acceleration transducer 40 is sent, and
It is used as acceleration during initial stable state.Electronic equipment is when with object of which movement, and acceleration is being continually changing, by obtaining in real time
The acceleration taken obtains the acceleration during stable state of this time.And need to be upgraded in time surely according to the acceleration obtained in real time
Acceleration during state.
Processing unit receives the intensity information that photosensitive sensors 30 are sent, and the acceleration that acceleration transducer 40 is sent
Information, and the information of reception is handled.Processing procedure is as shown in Figure 2.
Step S1, processing unit receives the intensity information that photosensitive sensors 30 are sent, and acceleration transducer 40 is sent
Acceleration information.
Step S2, judges whether current light intensity is more than the intensity threshold that setup unit is set, if it is less, returning
Step S1；If it is greater, then carrying out step S3.
Step S3, judges whether the angle between acceleration during acceleration and stable state now is more than setup unit setting
Angle threshold value, if it is less, return to step S1；If it is greater, then into step S4.
Step S4, processing unit control alarm unit is alarmed.
Wherein, when the acceleration in step 3 during stable state is that real-time luminous intensity is more than intensity threshold, what memory cell was preserved
Acceleration during newest stable state obtained by the acceleration before the moment.
During installation, the one side that shell 10 has light inlet 11 is close on the lighttight face of monitored object and installed.
Above-mentioned embodiment is the preferred case of the present invention, is not intended to limit protection scope of the present invention.
Claims (4)
1. a kind of anti-electronic equipment removes detection means, on electronic product by mistake, the circuit board of the electronic product with it is outer
There is space between shell, it is characterised in that including：
Photosensitive sensors, on the circuit board；
Acceleration transducer, on the electronic product；
Setup unit, the threshold value for setting the angle between intensity threshold and two acceleration；
Memory cell, acceleration during for storing the intensity threshold, the threshold value and stable state of the angle；
Processing unit, is connected with the photosensitive sensors, the acceleration transducer, for receiving the photosensitive sensors and institute
State the signal of acceleration transducer transmission and handled；And
Alarm unit, is connected with the processing unit, and alarm signal is sent according to the result of the processing unit,
Wherein, the shell one side relative with the photosensitive sensors is provided with light inlet,
The light intensity signal that the processing unit first sends the photosensitive sensors received is set with the setup unit
Fixed intensity threshold is compared, if light intensity signal is more than intensity threshold, calculates the now acceleration sensing
The angle between acceleration direction when the acceleration direction of device transmission and stable state, if angle is set more than the setup unit
Angle threshold value, then send result to the alarm unit, the alarm unit sends alarm signal.
2. anti-electronic equipment according to claim 1 removes detection means by mistake, it is characterised in that：
Position of the photosensitive sensors on the circuit board to the light inlet distance be beeline.
3. anti-electronic equipment according to claim 1 removes detection means by mistake, it is characterised in that：
Light-guiding pillar is provided between the light inlet and the photosensitive sensors.
4. anti-electronic equipment according to claim 1 removes detection means by mistake, it is characterised in that：
The acceleration during stable state is the steady-state value that the real-time acceleration information sent according to acceleration transducer is obtained, and
And acceleration during stable state needs to be upgraded in time according to the conversion of real-time acceleration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710202089.3A CN107024726B (en) | 2017-03-30 | 2017-03-30 | Anti- electronic equipment accidentally removes detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710202089.3A CN107024726B (en) | 2017-03-30 | 2017-03-30 | Anti- electronic equipment accidentally removes detection device |
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| CN107024726A true CN107024726A (en) | 2017-08-08 |
| CN107024726B CN107024726B (en) | 2019-02-12 |
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| CN201710202089.3A Active CN107024726B (en) | 2017-03-30 | 2017-03-30 | Anti- electronic equipment accidentally removes detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707634A (en) * | 2017-09-20 | 2018-02-16 | 上海移为通信技术股份有限公司 | To the illegal dismounting identifying system of product and its method |
| CN108538037A (en) * | 2018-06-07 | 2018-09-14 | 刁建程 | A kind of positioning alarm system for small type mobile devices |
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| US5936523A (en) * | 1998-04-24 | 1999-08-10 | West; Joe F. | Device and method for detecting unwanted disposition of the contents of an enclosure |
| JP4188960B2 (en) * | 2005-09-30 | 2008-12-03 | 三菱電機株式会社 | Sensor blind spot detection device, sensor installation position design support system, sensor blind spot detection method, and sensor installation position design support method |
| CN204423568U (en) * | 2015-03-10 | 2015-06-24 | 深圳市易特科信息技术有限公司 | Based on the electronic product tamper pick-up unit of light signal |
| CN204547952U (en) * | 2015-02-12 | 2015-08-12 | 深圳市金溢科技股份有限公司 | Board units and the anti-disassembling device with ambient light sensing |
| CN205263886U (en) * | 2015-12-29 | 2016-05-25 | 北京万集科技股份有限公司 | Anti -disassembly detection circuitry and vehicle -mounted electronic label |
| CN205582163U (en) * | 2016-03-25 | 2016-09-14 | 东莞市中控电子技术有限公司 | Prevent unpacing apart pass based on acceleration sensor |
| WO2016180604A1 (en) * | 2015-05-12 | 2016-11-17 | Robert Bosch Gmbh | Device and method for theft detection |
| CN206060772U (en) * | 2016-08-25 | 2017-03-29 | 大连楼兰科技股份有限公司 | Band prevents the vehicle electronics communication apparatus of illegal disassembling function |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5936523A (en) * | 1998-04-24 | 1999-08-10 | West; Joe F. | Device and method for detecting unwanted disposition of the contents of an enclosure |
| JP4188960B2 (en) * | 2005-09-30 | 2008-12-03 | 三菱電機株式会社 | Sensor blind spot detection device, sensor installation position design support system, sensor blind spot detection method, and sensor installation position design support method |
| CN204547952U (en) * | 2015-02-12 | 2015-08-12 | 深圳市金溢科技股份有限公司 | Board units and the anti-disassembling device with ambient light sensing |
| CN204423568U (en) * | 2015-03-10 | 2015-06-24 | 深圳市易特科信息技术有限公司 | Based on the electronic product tamper pick-up unit of light signal |
| WO2016180604A1 (en) * | 2015-05-12 | 2016-11-17 | Robert Bosch Gmbh | Device and method for theft detection |
| CN205263886U (en) * | 2015-12-29 | 2016-05-25 | 北京万集科技股份有限公司 | Anti -disassembly detection circuitry and vehicle -mounted electronic label |
| CN205582163U (en) * | 2016-03-25 | 2016-09-14 | 东莞市中控电子技术有限公司 | Prevent unpacing apart pass based on acceleration sensor |
| CN206060772U (en) * | 2016-08-25 | 2017-03-29 | 大连楼兰科技股份有限公司 | Band prevents the vehicle electronics communication apparatus of illegal disassembling function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707634A (en) * | 2017-09-20 | 2018-02-16 | 上海移为通信技术股份有限公司 | To the illegal dismounting identifying system of product and its method |
| CN108538037A (en) * | 2018-06-07 | 2018-09-14 | 刁建程 | A kind of positioning alarm system for small type mobile devices |
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| Publication number | Publication date |
|---|---|
| CN107024726B (en) | 2019-02-12 |
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