CN102509405B - Passive self-energy-obtaining wireless door magnet device - Google Patents
Passive self-energy-obtaining wireless door magnet device Download PDFInfo
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- CN102509405B CN102509405B CN201110329513.3A CN201110329513A CN102509405B CN 102509405 B CN102509405 B CN 102509405B CN 201110329513 A CN201110329513 A CN 201110329513A CN 102509405 B CN102509405 B CN 102509405B
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Abstract
The invention relates to a passive self-energy-obtaining wireless door magnet device, which comprises an elastic arm arranged on a door in abutting mode and fixed on a door frame through a fixing shaft, an electric energy generator, a central processing module, an alarm triggering switch and an alarm signal transmission module. The elastic arm rotates around the fixing shaft with opening and closing of the door, the electric energy generator is capable of generating current under the drive of rotation of the elastic arm, the central processing unit is connected with the electric energy generator, and the alarm triggering switch and the alarm signal transmission module are connected with the central processing module. The passive self-energy-obtaining wireless door magnet device does not require any power supply, utilizes the elastic arm to be matched with the electric energy generator, generates electric energy by means of kinetic energy generated by door opening, provides power for the central processing module and achieves function of wireless door magnet. Therefore, the passive self-energy-obtaining wireless door magnet device is capable of reducing space required by door magnet device installation to the largest extent, simplifies installation steps and is energy-saving, environment-friendly, simple in structure, low in cost and wide in application range.
Description
Technical field
The present invention relates to technical field of security and protection, particularly door magnetism device technical field, specifically refers to a kind of passive automatic-energy-harvesting wireless door magnetic device.
Background technology
Conventionally from theory, any electronic product all needs could work by various electric power supply such as external power supply, battery, sun power, even if less electronic product also without exception.
In existing safety-protection system, wireless door magnetism device is a kind of modal device, for send alarm signal to main frame in the time that door is opened, reaches the effect of security.Because wireless door magnetism device is arranged on doorframe conventionally, utilizable space is very little, and the door magnetism device of battery is installed, it need to have minimum installing space, such requirements of installation space, in current metropolitan building, the interior space is general is difficult to meet narrow and small in the situation that, and is also unfavorable for the attractive in appearance of overall appearance.If external power supply separately, need to be in doorframe winding displacement, install loaded down with trivial details.Therefore, in this technical field, need at present one badly and can farthest limit installing space, simplify the wireless door magnetism device of installation steps simultaneously.
Summary of the invention
The object of the invention is to have overcome above-mentioned shortcoming of the prior art, provide a kind of without external power supply also without battery is installed, required installing space is minimum, installation steps are simple, energy-conserving and environment-protective, with low cost and range of application passive automatic-energy-harvesting wireless door magnetic device comparatively widely.
In order to realize above-mentioned object, passive automatic-energy-harvesting wireless door magnetic device of the present invention has following formation:
This wireless door magnetism device comprises:
Elastic arm, supports and is located at door above, and be fixed on doorframe by a stationary shaft, and described elastic arm rotates along described stationary shaft with the switch of door,
Generator of electric energy, is connected in described elastic arm, and generation current under the driving of rotating at elastic arm,
Central processing module, is connected in described generator of electric energy,
Alarming trigger switch, is connected in described central processing module, and is rotated and controlled its disconnection with closed by described elastic arm, and
Alerting signal sending module, is connected in described central processing module, and sends alerting signal to exterior terminal under the control of central processing module.
In this passive automatic-energy-harvesting wireless door magnetic device, the trigger position of described alarming trigger switch is positioned at the centre position of the rotational travel of described elastic arm driving generator of electric energy.
In this passive automatic-energy-harvesting wireless door magnetic device, it is 40 degree rotation displacements that described elastic arm drives the rotational travel of generator of electric energy.
In this passive automatic-energy-harvesting wireless door magnetic device, described central processing module is ultra low-power microcontroller.
In this passive automatic-energy-harvesting wireless door magnetic device, described alerting signal sending module is micro-power consumption communication module.
In this passive automatic-energy-harvesting wireless door magnetic device, described wireless door magnetism device comprises housing, and described generator of electric energy, single-chip microcomputer, alarming trigger switch and alerting signal sending module is all arranged in described housing, and described elastic arm is arranged at outside housing.
In this passive automatic-energy-harvesting wireless door magnetic device, one end of the stationary shaft of described elastic arm is arranged in described housing, and the other end extends to outside housing, and described elastic arm is movably connected on one end that described stationary shaft extends housing.
In this passive automatic-energy-harvesting wireless door magnetic device, described wireless door magnetism device is fixed on doorframe by described housing.
Adopted this invention passive automatic-energy-harvesting wireless door magnetic device its compare with traditional door magnetism device that comprises two parts of a magnet and magnetic stripe, no longer need magnet, also without any need for power supply, but utilize elastic arm and generator of electric energy to coordinate, produce electric energy by the kinetic energy opening the door, and to central processing module power supply, realize the function of wireless door magnetic.The design concept that it is different from existing any wireless door magnetism device is completely a kind of wireless door magnetism device that utilizes self generating.Thereby, can not only farthest reduce door magnetism device required space is installed, simplify installation steps, energy-conserving and environment-protective, and this passive automatic-energy-harvesting wireless door magnetic device is simple in structure, and with low cost, range of application is comparatively extensive.
Brief description of the drawings
Fig. 1 is the structural representation of passive automatic-energy-harvesting wireless door magnetic device of the present invention.
Fig. 2 is the schematic diagram that is related to of the stroke of passive automatic-energy-harvesting wireless door magnetic device Elastic arm of the present invention and alarming trigger switch.
Embodiment
In order more clearly to understand technology contents of the present invention, describe in detail especially exemplified by following examples.
Referring to shown in Fig. 1, is the structural representation of passive automatic-energy-harvesting wireless door magnetic device of the present invention.
In one embodiment, this passive automatic-energy-harvesting wireless door magnetic device comprises:
Elastic arm, supports and is located at door above, and be fixed on doorframe by a stationary shaft, and described elastic arm rotates along described stationary shaft with the switch of door,
Generator of electric energy, is connected in described elastic arm, and generation current under the driving of rotating at elastic arm,
Central processing module, is connected in described generator of electric energy,
Alarming trigger switch, is connected in described central processing module, and is rotated and controlled its disconnection with closed by described elastic arm, and
Alerting signal sending module, is connected in described central processing module, and sends alerting signal to exterior terminal under the control of central processing module.
Wherein, described central processing module is ultra low-power microcontroller.Described alerting signal sending module is micro-power consumption communication module.
In one more preferably in embodiment, as shown in Figure 2, the trigger position of described alarming trigger switch is positioned at described elastic arm and drives the centre position of the rotational travel of generator of electric energy.It is 40 degree rotation displacements that described elastic arm drives the rotational travel of generator of electric energy.
In the preferred embodiment of one, described wireless door magnetism device comprises housing, and described generator of electric energy, single-chip microcomputer, alarming trigger switch and alerting signal sending module is all arranged in described housing, and described elastic arm is arranged at outside housing.One end of the stationary shaft of described elastic arm is arranged in described housing, and the other end extends to outside housing, and described elastic arm is movably connected on one end that described stationary shaft extends housing.Described wireless door magnetism device is fixed on doorframe by described housing.
In an application of the invention, passive automatic-energy-harvesting wireless door magnetic device of the present invention is mainly made up of following components:
A, micro-power consumption MCU, it is the software kernels process chip of door magnetic.
B, induction of signal switch, it is triggered by elastic arm together with power generator, but the position that this switch is triggered is positioned at the be triggered centre position of actuating length of power generator.Can ensure like this to detect that exactly alarm switch is transformed into open-circuit condition from short-circuit condition during micro-power consumption MCU and ZIGBEE communication module acquisition electric energy, or be transformed into the process of short-circuit condition by open-circuit condition.Thereby while making MCU obtain the duration of work of power supply, can accurately judge open the door action and the action of closing the door, avoid occurring at closing time false alarm.
The micro-power consumption communication module of C, ZIGBEE, in order in the time that door is opened, MCU controls the micro-power consumption communication module of ZIGBEE and sends at a high speed alerting signal according to local communication protocol form to end host.In practical application, the micro-power consumption communication module of this ZIGBEE adopts the TCM 300/STM 300 power consumption communication moulds of German EnOcean company.Its technical characterictic is: 868MHz (R & TEE) and 315MHz (FCC), possess processor and control function, the peripheral equipment that can simplify, can programme to application-specific by API, there is the management function of energy and sensor, and there are WDT, voltage height limiting device, predetermined inductive device and the internal memory etc. of super low-power consumption.
D, power generator, its door is in the time being opened or close, and the mechanical action being produced by door magnetoelasticity arm change in location is driven generation immediate current, carries out short time power supply to, micro-power consumption MCU and the micro-power consumption communication module of ZIGBEE.It can change the kinetic energy of button into electric energy, have advantages of durable, be excused from a college course reason, and its volume is tiny, meets the design of microswitch button.
E, shell mechanism part, be easily installed in the position of the narrow space of doorframe.
By of the present invention passive from capacitation wireless door magnetic be arranged on doorframe or door on after.The elastic arm that on door magnetic, stretch out on direction side is can be along axially carrying out certain angle rotation.Inner by spring control, when opening the door, elastic arm is to door place direction rotation approximately 40 degree; At closing time due to elastic arm be subject to door pressure-acting turn to forward and place, door magnetic back side same plane.At the rotation displacement opening the door or elastic arm will form approximately 40 degree under the action effect of contained spring and door at closing time.Utilize just this micro-mechanical shift action to drive power generator to produce electric energy, and also obtained the step switch amount of opening the door or closing the door simultaneously.Thereby judge exactly the action of opening the door, the false alarm that the shake of avoiding closing the door produces occurs.
Adopted this invention passive automatic-energy-harvesting wireless door magnetic device its compare with traditional door magnetism device that comprises two parts of a magnet and magnetic stripe, no longer need magnet, also without any need for power supply, but utilize elastic arm and generator of electric energy to coordinate, produce electric energy by the kinetic energy opening the door, and to central processing module power supply, realize the function of wireless door magnetic.The design concept that it is different from existing any wireless door magnetism device is completely a kind of wireless door magnetism device that utilizes self generating.Thereby, can not only farthest reduce door magnetism device required space is installed, simplify installation steps, energy-conserving and environment-protective, and this passive automatic-energy-harvesting wireless door magnetic device is simple in structure, and with low cost, range of application is comparatively extensive.
In this instructions, the present invention is described with reference to its specific embodiment.But, still can make various amendments and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (7)
1. a passive automatic-energy-harvesting wireless door magnetic device, is characterized in that, described passive automatic-energy-harvesting wireless door magnetic device comprises:
Elastic arm, supports and is located at door above, and be fixed on doorframe by a stationary shaft, and described elastic arm rotates along described stationary shaft with the switch of door,
Generator of electric energy, is connected in described elastic arm, and generation current under the driving of rotating at elastic arm,
Central processing module, is connected in described generator of electric energy,
Alarming trigger switch, be connected in described central processing module, and rotate and control it and disconnect with closed by described elastic arm, and the trigger position of described alarming trigger switch is positioned at described elastic arm and drives the centre position of the rotational travel of generator of electric energy, and
Alerting signal sending module, is connected in described central processing module, and sends alerting signal to exterior terminal under the control of central processing module.
2. passive automatic-energy-harvesting wireless door magnetic device according to claim 1, is characterized in that, it is 40 degree rotation displacements that described elastic arm drives the rotational travel of generator of electric energy.
3. passive automatic-energy-harvesting wireless door magnetic device according to claim 1, is characterized in that, described central processing module is ultra low-power microcontroller.
4. passive automatic-energy-harvesting wireless door magnetic device according to claim 3, is characterized in that, described alerting signal sending module is micro-power consumption communication module.
5. according to the passive automatic-energy-harvesting wireless door magnetic device described in claim 3 or 4, it is characterized in that, described passive automatic-energy-harvesting wireless door magnetic device comprises housing, described generator of electric energy, ultra low-power microcontroller, alarming trigger switch and alerting signal sending module is all arranged in described housing, and described elastic arm is arranged at outside housing.
6. passive automatic-energy-harvesting wireless door magnetic device according to claim 5, it is characterized in that, one end of described stationary shaft is arranged in described housing, and the other end extends to outside housing, and described elastic arm is movably connected on one end that described stationary shaft extends housing.
7. passive automatic-energy-harvesting wireless door magnetic device according to claim 5, is characterized in that, described passive automatic-energy-harvesting wireless door magnetic device is fixed on doorframe by described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110329513.3A CN102509405B (en) | 2011-10-26 | 2011-10-26 | Passive self-energy-obtaining wireless door magnet device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110329513.3A CN102509405B (en) | 2011-10-26 | 2011-10-26 | Passive self-energy-obtaining wireless door magnet device |
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| CN102509405A CN102509405A (en) | 2012-06-20 |
| CN102509405B true CN102509405B (en) | 2014-06-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364530B (en) * | 2011-11-02 | 2013-06-19 | 上海大亚科技有限公司 | Single-body type wireless door magnet device |
| CN108961635A (en) * | 2017-05-19 | 2018-12-07 | 南宁富桂精密工业有限公司 | Door status sensor device |
| CN113345185B (en) * | 2021-04-12 | 2022-08-30 | 中国地质大学（武汉） | Passive door and window alarm device based on LoRa scattering communication method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5610581A (en) * | 1996-01-23 | 1997-03-11 | Keller; Merlin E. | Combination bar lock and electrical alarm system for doors and windows |
| CN2682034Y (en) * | 2004-01-19 | 2005-03-02 | 中国国际海运集装箱(集团)股份有限公司 | Intelligent safety container and safety monitoring device therefor |
| CN201233638Y (en) * | 2008-07-22 | 2009-05-06 | 王睿哲 | Door inhibition detection device |
| CN201754519U (en) * | 2010-07-05 | 2011-03-02 | 徐泽宏 | Door opening/closing extrusion-type self power generating device |
| CN202257814U (en) * | 2011-10-26 | 2012-05-30 | 上海大亚科技有限公司 | Passive automatic-energy-harvesting wireless door magnetic device |
-
2011
- 2011-10-26 CN CN201110329513.3A patent/CN102509405B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5610581A (en) * | 1996-01-23 | 1997-03-11 | Keller; Merlin E. | Combination bar lock and electrical alarm system for doors and windows |
| CN2682034Y (en) * | 2004-01-19 | 2005-03-02 | 中国国际海运集装箱(集团)股份有限公司 | Intelligent safety container and safety monitoring device therefor |
| CN201233638Y (en) * | 2008-07-22 | 2009-05-06 | 王睿哲 | Door inhibition detection device |
| CN201754519U (en) * | 2010-07-05 | 2011-03-02 | 徐泽宏 | Door opening/closing extrusion-type self power generating device |
| CN202257814U (en) * | 2011-10-26 | 2012-05-30 | 上海大亚科技有限公司 | Passive automatic-energy-harvesting wireless door magnetic device |
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| CN102509405A (en) | 2012-06-20 |
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