CN105913593A - Method and system for judging state of door magnetic system - Google Patents
Method and system for judging state of door magnetic system Download PDFInfo
- Publication number
- CN105913593A CN105913593A CN201610517413.6A CN201610517413A CN105913593A CN 105913593 A CN105913593 A CN 105913593A CN 201610517413 A CN201610517413 A CN 201610517413A CN 105913593 A CN105913593 A CN 105913593A
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- Prior art keywords
- state
- magnetic
- induction part
- status signal
- magnetic induction
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Burglar Alarm Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a method and a system for judging the state of a door magnetic system. The method comprises the following steps of: acquiring a state signal of a first magnetic induction element and the state signal of a second magnetic induction element, wherein the first magnetic induction element is not located in a constant magnetic field generated by an adjacent permanent magnet, and the second magnetic induction element is located in the constant magnetic field generated by the permanent magnet; judging the state of the door magnetic system according to the state signals; if the state signal of the first magnetic induction element is a first state and the state signal of the second magnetic induction element is the first state, the door magnetic system is broken; or if the state signal of the first magnetic induction element is a second state and the state signal of the second magnetic induction element is the first state, the door magnetic system is not broken. Through implementation of the method and the system, the state of the door magnetic system can be judged through a cheap passive device.
Description
Technical field
The present invention relates to electricity data processing field, particularly relate to a kind of judge a magnetic system state
Method and system.
Background technology
Door magnetic is the most most commonly seen a kind of security product.Conventional door Magnetic Sensor by
Two parts form: inside is provided with the permanent magnet of one block of permanent magnet, in order to produce constant magnetic field；
Inside is provided with the door magnetic main body of a magnetic induction part, usually tongue tube or Hall element.
Permanent magnet is arranged in doorframe (window frame), and magnetic induction part is arranged in door leaf (sash).
Magnetic induction part by the magnetic field intensity that permanent magnet near detection is formed judge the opening and closing of door from
And early warning, i.e. magnetic field intensity time big be the first state (from permanent magnet more close to magnetic field intensity the biggest),
Magnetic field intensity hour is the second state (the least from permanent magnet more far field intensity), wherein first
State is corresponding with the second state, i.e. the first state is unlatching, the second state is Guan Bi, the
One state is Guan Bi, the second state is unlatching.
For conventional door magnetic, it is possible to use a strong magnet cracks easily.Cracker only needs to use
One magnetic field detectors determines the Position Approximate of permanent magnet, then in this position in scanning outdoors
A strong magnet is pasted at neighbouring doorframe (window frame) and door leaf (sash) place respectively.Therefore,
No matter door is opened or closed has a strong magnet can keep constant phase with door magnetic main body all the time
To position, thus allow magnetic induction part detect all the time and around have magnetic field, even if door is opened also
Cannot sense that changes of magnetic field takes for door and window and is in closure state all the time.This method can allow
All of conventional door magnetic lost efficacy, and was huge potential safety hazard for a security product.
In order to solve the problems referred to above, some type gate magnetic uses multi-shaft acceleration transducer to replace magnetic
Sensing element detects the state change of door and window.Acceleration transducer door magnetic has the disadvantage that
Acceleration transducer price is much more expensive compared with for clarinet.Acceleration transducer signals
Process chip and be also required to the most powerful computing capability continuation increase cost.
Acceleration transducer is active device and clarinet is passive device, so passing through acceleration
Sensor continuous firing has detected substantial amounts of extra power consumption.
Acceleration transducer can only sense door and window motion state and cannot Inductive door/window exhausted
To opened and closed positions, so needing first to carry out extra calibration steps before Shi Yonging, use time length
Also have cumulative errors.
Summary of the invention
In view of this, the present invention provides a kind of and judges a method and system for magnetic system state, with
Solving prior art door magnetic system expensive, parts are the problem of active parts.
Specifically, the present invention is achieved through the following technical solutions:
The present invention provides a kind of and judges a method for magnetic system state, and described method includes:
Obtain status signal and the status signal of the second magnetic induction part of the first magnetic induction part,
In the stationary magnetic field that the permanent magnet that described first magnetic induction part is not at being adjacent produces, institute
State the second magnetic induction part to be in the stationary magnetic field that described permanent magnet produces；
The state of door magnetic system is judged according to described status signal:
If the status signal of described first magnetic induction part is the first state, and described second magnetic
The status signal of sensing element is the first state, then door magnetic system is cracked；Or,
If the status signal of described first magnetic induction part is the second state, and described second magnetic
The status signal of sensing element is the first state, then door magnetic system is not cracked, described first shape
State is corresponding with described second state, if the first state is for opening, then the second state is Guan Bi,
If the first state is Guan Bi, then the second state is for opening.
Present invention also offers and a kind of judge a system for magnetic system state, described system includes:
Status signal acquiring unit, for obtaining the status signal and second of the first magnetic induction part
The status signal of magnetic induction part, described first magnetic induction part is not at the permanent magnetism being adjacent
In the stationary magnetic field that body produces, described second magnetic induction part is in the perseverance that described permanent magnet produces
In fixed-field；
Judging unit, for judging the state of door magnetic system according to described status signal:
If the status signal of described first magnetic induction part is the first state, and described second magnetic
The status signal of sensing element is the first state, then door magnetic system is cracked；Or,
If the status signal of described first magnetic induction part is the second state, and described second magnetic
The status signal of sensing element is the first state, then door magnetic system is not cracked, described first shape
State is corresponding with described second state, if the first state is for opening, then the second state is Guan Bi,
If the first state is Guan Bi, then the second state is for opening.
The embodiment of the present invention, receives two kinds of magnetic strengths that there is diverse location relation with permanent magnet respectively
Answer the status signal of element, according to the different states judging door magnetic system of status signal, it is provided that
A kind of effectively, convenient, cheap door magnetic system judge system, by cheap passive device
I.e. can determine whether the state of a magnetic system.
Accompanying drawing explanation
Fig. 1 is that a kind of shown in the present invention one exemplary embodiment judges a magnetic system state
The block diagram of method；
Fig. 2 is that a kind of shown in the present invention one exemplary embodiment judges a magnetic system state
The structure chart of system.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.
When explained below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents
Same or analogous key element.Embodiment described in following exemplary embodiment does not represent
The all embodiments consistent with the present invention.On the contrary, they be only with such as claims
The example of the apparatus and method that some aspects that described in detail in book, the present invention are consistent.
It is only merely for describing the purpose of specific embodiment in terminology used in the present invention, rather than purport
Limiting the present invention.Singulative used in the present invention and appended claims
" a kind of ", " described " and " being somebody's turn to do " is also intended to include most form, unless context clearly shows that
Other implications.It is also understood that term "and/or" used herein refers to and comprises one
Or any or all of the multiple project of listing being associated may combination.
Although should be appreciated that may use term first, second, third, etc. to retouch in the present invention
State various information, but these information should not necessarily be limited by these terms.These terms are only used for same
The information of type is distinguished from each other out.Such as, without departing from the present invention, first
Information can also be referred to as the second information, and similarly, the second information can also be referred to as the first letter
Breath.Depend on linguistic context, word as used in this " if " can be construed to " ...
Time " or " when ... " or " in response to determining ".
It is illustrated in figure 1 the one shown in the present invention one exemplary embodiment and judges door magnetic system
The block diagram of the method for state, described method includes:
Step S101, obtains status signal and second magnetic induction part of the first magnetic induction part
Status signal, described first magnetic induction part is not at the perseverance that the permanent magnet that is adjacent produces
In fixed-field, described second magnetic induction part is in the stationary magnetic field that described permanent magnet produces.
In embodiments of the present invention, door magnetic system is provided with at least one first magnetic induction unit
Part, at least one second magnetic induction part and a permanent magnet, wherein, the first magnetic induction part
Being not in the stationary magnetic field that permanent magnet produces, the second magnetic induction part is in what permanent magnet produced
In stationary magnetic field.The state of the first magnetic induction part and the second magnetic induction part is divided into: Guan Bi,
Opening, these states can be distinguished by status signal, such as: 0 represents Guan Bi, and 1 represents
Opening, this status signal can be provided by the signal acquisition device being connected with magnetic induction part, tool
The signal acquisition device of body does not repeats and limits.
Wherein, magnetic induction part includes but not limited to: tongue tube, Hall element.
Step S102, judges the state of door magnetic system according to described status signal:
If the status signal of described first magnetic induction part is the first state, and described second magnetic
The status signal of sensing element is the first state, then door magnetic system is cracked；Or,
If the status signal of described first magnetic induction part is the second state, and described second magnetic
The status signal of sensing element is the first state, then door magnetic system is not cracked, described first shape
State is corresponding with described second state, if the first state is for opening, then the second state is Guan Bi,
If the first state is Guan Bi, then the second state is for opening.
In embodiments of the present invention, the first magnetic induction part and the second magnetic induction part are being obtained
Status signal after, i.e. can determine whether the state of a magnetic system.Under normal circumstances, the second magnetic strength
Answering element to be in the stationary magnetic field that permanent magnet produces, therefore the second magnetic induction part is in all the time
First state, the first magnetic induction part is not in the stationary magnetic field that permanent magnet produces, and therefore the
One magnetic induction part is in the second state, so, if the status signal of the first magnetic induction part
It is the second state, and the status signal of the second magnetic induction part is the first state, then door magnetic system
It is not cracked；In the case of being cracked, the second magnetic induction part is still within permanent magnet and produces
Stationary magnetic field in, therefore the second magnetic induction part is in the first state, the first magnetic induction all the time
Element is owing to being affected by outside kicker magnet, and therefore the first magnetic induction part is in the first shape
State, so, if the status signal of the first magnetic induction part is the first state, and the second magnetic strength
The status signal answering element is the first state, then door magnetic system is cracked, described first state with
Described second state is corresponding, if the first state is for opening, then the second state is Guan Bi, as
Really the first state is Guan Bi, then the second state is for opening.
The embodiment of the present invention, receives two kinds of magnetic strengths that there is diverse location relation with permanent magnet respectively
Answer the status signal of element, according to the different states judging door magnetic system of status signal, it is provided that
A kind of effectively, convenient, cheap door magnetic system determination methods, by cheap passive device
I.e. can determine whether the state of a magnetic system.
As an alternative embodiment of the present invention, judge door described according to described status signal
After the step of the state of magnetic system, described method also includes:
If the state of described door magnetic system is for being cracked, then judge door and window by aiding sensors
State.
In embodiments of the present invention, if door magnetic system is judged as being cracked, then can pass through
The aiding sensors installed judges whether door and window is opened, and i.e. judges the state of door and window.Specifically
, aiding sensors includes but not limited to: infrared proximity transducer, acceleration transducer, shake
Dynamic sensor.Infrared proximity transducer detect its most just to permanent magnet to judge whether door and window is beaten
Opening, whether acceleration transducer detection door and window has acceleration to judge whether door and window is opened, shake
Whether dynamic sensor detection door and window occurs vibrations to judge whether door and window is opened.
It is illustrated in figure 2 the one shown in the present invention one exemplary embodiment and judges door magnetic system
The structure chart of the system of state, for convenience of description, only illustrates relevant to the embodiment of the present invention
Part, described system includes:
Status signal acquiring unit 201, for obtain the first magnetic induction part status signal and
The status signal of the second magnetic induction part, described first magnetic induction part is not at being adjacent
In the stationary magnetic field that permanent magnet produces, described second magnetic induction part is in described permanent magnet and produces
Stationary magnetic field in.
In embodiments of the present invention, door magnetic system is provided with at least one first magnetic induction unit
Part, at least one second magnetic induction part and a permanent magnet, wherein, the first magnetic induction part
Being not in the stationary magnetic field that permanent magnet produces, the second magnetic induction part is in what permanent magnet produced
In stationary magnetic field.The state of the first magnetic induction part and the second magnetic induction part is divided into: Guan Bi,
Opening, these states can be distinguished by status signal, such as: 0 represents Guan Bi, and 1 represents
Opening, this status signal can be provided by the signal acquisition device being connected with magnetic induction part, tool
The signal acquisition device of body does not repeats and limits.
Wherein, magnetic induction part includes but not limited to: tongue tube, Hall element.
Judging unit 202, for judging the state of door magnetic system according to described status signal:
If the status signal of described first magnetic induction part is the first state, and described second magnetic
The status signal of sensing element is the first state, then door magnetic system is cracked；Or,
If the status signal of described first magnetic induction part is the second state, and described second magnetic
The status signal of sensing element is the first state, then door magnetic system is not cracked, described first shape
State is corresponding with described second state, if the first state is for opening, then the second state is Guan Bi,
If the first state is Guan Bi, then the second state is for opening.
In embodiments of the present invention, the first magnetic induction part and the second magnetic induction part are being obtained
Status signal after, i.e. can determine whether the state of a magnetic system.Under normal circumstances, the second magnetic strength
Answering element to be in the stationary magnetic field that permanent magnet produces, therefore the second magnetic induction part is in all the time
First state, the first magnetic induction part is not in the stationary magnetic field that permanent magnet produces, and therefore the
One magnetic induction part is in the second state, so, if the status signal of the first magnetic induction part
It is the second state, and the status signal of the second magnetic induction part is the first state, then door magnetic system
It is not cracked；In the case of being cracked, the second magnetic induction part is still within permanent magnet and produces
Stationary magnetic field in, therefore the second magnetic induction part is in the first state, the first magnetic induction all the time
Element is owing to being affected by outside kicker magnet, and therefore the first magnetic induction part is in the first shape
State, so, if the status signal of the first magnetic induction part is the first state, and the second magnetic strength
The status signal answering element is the first state, then door magnetic system is cracked, described first state with
Described second state is corresponding, if the first state is for opening, then the second state is Guan Bi, as
Really the first state is Guan Bi, then the second state is for opening.
The embodiment of the present invention, receives two kinds of magnetic strengths that there is diverse location relation with permanent magnet respectively
Answer the status signal of element, according to the different states judging door magnetic system of status signal, it is provided that
A kind of effectively, convenient, cheap door magnetic system judge system, by cheap passive device
I.e. can determine whether the state of a magnetic system.
As an alternative embodiment of the present invention, described system also includes:
Door and window condition adjudgement unit 203, if for the state of described door magnetic system for being cracked,
The state of door and window is then judged by aiding sensors.
In embodiments of the present invention, if door magnetic system is judged as being cracked, then can pass through
The aiding sensors installed judges whether door and window is opened, and i.e. judges the state of door and window.Specifically
, aiding sensors includes but not limited to: infrared proximity transducer, acceleration transducer, shake
Dynamic sensor.Infrared proximity transducer detect its most just to permanent magnet to judge whether door and window is beaten
Opening, whether acceleration transducer detection door and window has acceleration to judge whether door and window is opened, shake
Whether dynamic sensor detection door and window occurs vibrations to judge whether door and window is opened.
Device embodiment described above is only schematically, wherein said as separation unit
The unit of part explanation can be or may not be physically separate, shows as unit
Parts can be or may not be physical location, i.e. may be located at a place, or also
Can be distributed on multiple NE.Can select according to the actual needs part therein or
The whole module of person realizes the purpose of the present invention program.Those of ordinary skill in the art are not paying
In the case of creative work, i.e. it is appreciated that and implements.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention,
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done,
Within should be included in the scope of protection of the invention.
Claims (8)
1. one kind judges a method for magnetic system state, it is characterised in that described method includes:
Obtain status signal and the status signal of the second magnetic induction part of the first magnetic induction part,
In the stationary magnetic field that the permanent magnet that described first magnetic induction part is not at being adjacent produces, institute
State the second magnetic induction part to be in the stationary magnetic field that described permanent magnet produces；
The state of door magnetic system is judged according to described status signal:
If the status signal of described first magnetic induction part is the first state, and described second magnetic
The status signal of sensing element is the first state, then door magnetic system is cracked；Or,
If the status signal of described first magnetic induction part is the second state, and described second magnetic
The status signal of sensing element is the first state, then door magnetic system is not cracked, described first shape
State is corresponding with described second state, if the first state is for opening, then the second state is Guan Bi,
If the first state is Guan Bi, then the second state is for opening.
2. the method for claim 1, it is characterised in that described first magnetic induction part
Including tongue tube, Hall element, described second magnetic induction part includes: tongue tube, suddenly
That sensor.
3. the method as described in any one of claim 1～2, it is characterised in that in described basis
After described status signal judges the step of the state of door magnetic system, described method also includes:
If the state of described door magnetic system is for being cracked, then judge door and window by aiding sensors
State.
4. method as claimed in claim 3, it is characterised in that described aiding sensors includes:
In infrared proximity transducer, acceleration transducer, shock sensor one or more.
5. one kind judges a system for magnetic system state, it is characterised in that described system includes:
Status signal acquiring unit, for obtaining the status signal and second of the first magnetic induction part
The status signal of magnetic induction part, described first magnetic induction part is not at the permanent magnetism being adjacent
In the stationary magnetic field that body produces, described second magnetic induction part is in the perseverance that described permanent magnet produces
In fixed-field；
Judging unit, for judging the state of door magnetic system according to described status signal:
If the status signal of described first magnetic induction part is the first state, and described second magnetic
The status signal of sensing element is the first state, then door magnetic system is cracked；Or,
If the status signal of described first magnetic induction part is for opening the second state, and described the
The status signal of two magnetic induction parts is the first state, then door magnetic system is not cracked, described
One state is corresponding with described second state, if the first state is for opening, then the second state is
Guan Bi, if the first state is Guan Bi, then the second state is for opening.
6. system as claimed in claim 5, it is characterised in that described first magnetic induction part
Including tongue tube, Hall element, described second magnetic induction part includes: tongue tube, suddenly
That sensor.
7. the system as described in any one of claim 5～6, it is characterised in that described system is also
Including:
Door and window condition adjudgement unit, if for the state of described door magnetic system for being cracked, then
The state of door and window is judged by aiding sensors.
8. system as claimed in claim 7, it is characterised in that described aiding sensors includes:
In infrared proximity transducer, acceleration transducer, shock sensor one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517413.6A CN105913593A (en) | 2016-06-30 | 2016-06-30 | Method and system for judging state of door magnetic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517413.6A CN105913593A (en) | 2016-06-30 | 2016-06-30 | Method and system for judging state of door magnetic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105913593A true CN105913593A (en) | 2016-08-31 |
Family
ID=56753973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610517413.6A Pending CN105913593A (en) | 2016-06-30 | 2016-06-30 | Method and system for judging state of door magnetic system |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618242A (en) * | 2018-10-11 | 2019-04-12 | 苏州天华信息科技股份有限公司 | A kind of intelligent exchange application system with equipment chamber door folding detection function |
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| JPH1012109A (en) * | 1996-06-26 | 1998-01-16 | Matsushita Electric Works Ltd | Magnetic proximity switch |
| CN203476133U (en) * | 2013-05-19 | 2014-03-12 | 河北工程大学 | Window having infrared and vibration double anti-theft alarm functions |
| CN103670200A (en) * | 2012-09-25 | 2014-03-26 | 李玉娟 | Safety antitheft door |
| CN203535740U (en) * | 2013-10-23 | 2014-04-09 | 深圳市中兴新地通信器材有限公司 | An anti-interference door magnetic device |
| CN103745545A (en) * | 2014-01-14 | 2014-04-23 | 福建创高安防技术有限公司 | Door magnetic induction device and method |
| CN205158558U (en) * | 2015-11-24 | 2016-04-13 | 武汉百络优物联科技有限公司 | Door and window safety inspection device |
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2016
- 2016-06-30 CN CN201610517413.6A patent/CN105913593A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1012109A (en) * | 1996-06-26 | 1998-01-16 | Matsushita Electric Works Ltd | Magnetic proximity switch |
| CN103670200A (en) * | 2012-09-25 | 2014-03-26 | 李玉娟 | Safety antitheft door |
| CN203476133U (en) * | 2013-05-19 | 2014-03-12 | 河北工程大学 | Window having infrared and vibration double anti-theft alarm functions |
| CN203535740U (en) * | 2013-10-23 | 2014-04-09 | 深圳市中兴新地通信器材有限公司 | An anti-interference door magnetic device |
| CN103745545A (en) * | 2014-01-14 | 2014-04-23 | 福建创高安防技术有限公司 | Door magnetic induction device and method |
| CN205158558U (en) * | 2015-11-24 | 2016-04-13 | 武汉百络优物联科技有限公司 | Door and window safety inspection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618242A (en) * | 2018-10-11 | 2019-04-12 | 苏州天华信息科技股份有限公司 | A kind of intelligent exchange application system with equipment chamber door folding detection function |
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Application publication date: 20160831 |