CN202075849U - Wireless terminal node and system for target monitoring - Google Patents
Wireless terminal node and system for target monitoring Download PDFInfo
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- CN202075849U CN202075849U CN2011200684258U CN201120068425U CN202075849U CN 202075849 U CN202075849 U CN 202075849U CN 2011200684258 U CN2011200684258 U CN 2011200684258U CN 201120068425 U CN201120068425 U CN 201120068425U CN 202075849 U CN202075849 U CN 202075849U
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- object monitoring
- direct current
- monitoring means
- terminal node
- wireless terminal
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Abstract
The utility model discloses a wireless terminal node for target monitoring, which comprises a binary pyroelectric infrared sensor, a static target monitoring unit, a dynamic target monitoring unit, a signal output end of the static target monitoring unit, a singlechip and a wireless signal emitting module, wherein a direct current motor used for static target monitoring is arranged beside one sensitive element, the static target monitoring unit is connected with the sensitive element, the dynamic target monitoring unit is connected with the other sensitive element, the signal output end of the static target monitoring unit is connected with the direct current motor through a driving circuit for controlling the work of the direct current motor, the singlechip receives and processes signals of the static target monitoring unit and the dynamic target monitoring unit, and the wireless signal emitting module is used for emitting out the signals processed by the singlechip. The utility model also discloses a system for the target monitoring. When the wireless terminal node or the system are adopted, the energy consumption of the wireless terminal node with the static target monitoring function can be reduced, and the service life of the direct current motor for the static target monitoring and the service life of a corresponding power supply can be prolonged.
Description
Technical field
The utility model relates to the signal Processing field, more particularly, relates to a kind of wireless terminal node and system that is used for target monitoring.
Background technology
In some occasion, need or monitor the residence time of thing the people in some zone.For example:, the terminal node that is used for target monitoring can be installed, in the toilet to monitoring the residence time of personnel in the toilet for consideration to the elderly's health.In case should the interior personnel in zone (toilet) surpass certain hour length residence time, mean then that the personnel (the elderly) in this zone may meet accident.When monitoring this situation, the terminal node that is used for target monitoring just can send alarm signal to control center, so that the related personnel can in time discover.
In the prior art, be used for the wireless terminal node of target monitoring, what mainly adopt is pyroelectric infrared sensor.The basic functional principle of pyroelectric infrared sensor is: compare by the temperature that two monitoring points are sensed, if two temperature differences that the monitoring point monitors, then thinking has the people through this zone; Otherwise, think not have monitoring objective in this zone.Because this pyroelectric infrared sensor can only be monitored dynamic object, therefore, in the prior art, pyroelectric infrared sensor has been made following improvement:
A direct current generator is installed near a monitoring point of pyroelectric infrared sensor.The rotating part of this direct current generator is equipped with blade.Blade changes at next direct rotary of drive of direct current generator.In the blade rotary course, can block the corresponding monitoring point of pyroelectric infrared sensor at intervals.In the time of in the people is still in the monitored area, owing to blocking of blade, two monitoring points of pyroelectric infrared sensor also can monitor different temperature, and then can realize the monitoring to static object.
But, because the wireless terminal node with static object monitoring function of the prior art, its blade needs to rotate always, the energy consumption that causes being used for the wireless terminal node of target monitoring improves greatly, further cause as the serviceable life of the battery of described dc motor power very shortly, need frequently to change.Particularly in actual applications, in the wireless network, there is numerous wireless terminal node.Therefore, the energy consumption of wireless terminal node with static object monitoring function is too high, is a problem demanding prompt solution.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of wireless terminal node and system that is used for target monitoring, to solve the too high problem of energy consumption that has the wireless terminal node of static object monitoring function in the prior art.
The utility model provides a kind of wireless terminal node that is used for target monitoring, comprising:
The double base pyroelectric infrared sensor, one of them sensitive unit next door is provided with the direct current generator that is used for the static object monitoring;
The static object monitoring means that links to each other with described sensitive unit;
The dynamic object monitoring means that links to each other with another sensitive unit in the described double base pyroelectric infrared sensor;
The signal output part of described static object monitoring means links to each other with described direct current generator by driving circuit, to control described direct current generator work;
Receive the signal of described static object monitoring means and dynamic object monitoring means and the single-chip microcomputer of handling;
The wireless signal transmitting module that signal after described single-chip microcomputer handled is launched.
Preferably, also comprise: the signal output part of described dynamic object monitoring means links to each other with described direct current generator by driving circuit.
Preferably, described wireless signal transmitting module is: the wireless signal transmitting module that adopts the ZigBee technology.
Preferably, described direct current generator is: DC speed-reducing.
Preferably, between described single-chip microcomputer and described static object monitoring means and the dynamic object monitoring means, link to each other by filtering circuit.
Preferably, described wireless signal transmitting module is: receive the wireless signal transmitting module that is transferred to duty behind the wake-up signal of described single-chip microcomputer by dormant state.
A kind of wireless terminal node that is used for target monitoring comprises:
The double base pyroelectric infrared sensor, one of them sensitive unit next door is provided with the direct current generator that is used for the static object monitoring;
The static object monitoring means that links to each other with described sensitive unit;
The dynamic object monitoring means that links to each other with another sensitive unit in the described double base pyroelectric infrared sensor;
Receive the signal of described static object monitoring means and dynamic object monitoring means and handle, the single-chip microcomputer of described direct current generator being controlled according to result;
The wireless signal transmitting module that signal after described single-chip microcomputer handled is launched.
A kind of system that is used for target monitoring comprises: the aforementioned wireless terminal node that is used for target monitoring.
From technique scheme as can be seen, among the utility model embodiment, by single-chip microcomputer is set, duty to direct current generator is controlled, and in the time of can having personnel to exist in the monitored area, starts the direct current generator that is used for the static object monitoring, in the monitored area nobody the time, make described direct current generator stop, thereby greatly reduce the energy consumption of wireless terminal node, prolonged the serviceable life of the power supply of direct current generator and this direct current generator with static object monitoring function.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing in the utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the described wireless terminal node structure of the utility model embodiment figure;
Fig. 2 is the annexation synoptic diagram of the described direct current generator of the utility model embodiment and dynamic object monitoring means and static object monitoring means;
Fig. 3 is another annexation synoptic diagram of the described direct current generator of the utility model embodiment and dynamic object monitoring means and static object monitoring means;
Fig. 4 is the described wireless terminal node structure of another embodiment of the utility model figure.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills belong to protection domain of the present utility model not making the every other embodiment that is obtained under the creative work prerequisite.
Referring to Fig. 1, be the described wireless terminal node structure of the utility model embodiment figure.As shown in Figure 1, described node comprises:
Double base pyroelectric infrared sensor 101; First 1011 next doors of a sensitivity in two sensitive units of double base pyroelectric infrared sensor 101 are provided with the direct current generator 102 that is used for the static object monitoring, on the direct current generator 102 blade are installed; With the described sensitive unit 1011 static object monitoring means 103 that link to each other; With another sensitive unit 1012 dynamic object monitoring means 104 that link to each other in the described double base pyroelectric infrared sensor 101; The signal that static object monitoring means 103 and dynamic object monitoring means 104 monitor is sent to single-chip microcomputer 106 by front end infrared data ' s acquisition plate 105; Signal after single-chip microcomputer 106 is handled can be launched by wireless signal transmitting module 107.
Wherein, the principle of pyroelectric infrared sensor is the variation that utilizes the ultrared emittance size receive to come detecting temperature.Double base pyroelectric infrared sensor 101 is the pyroelectric infrared sensors that adopt two sensitive units that target is monitored.
Referring to Fig. 2, be the annexation synoptic diagram of the described direct current generator of the utility model embodiment and dynamic object monitoring means and static object monitoring means.As shown in Figure 2, the signal output part of described static object monitoring means 103 links to each other with described direct current generator 102 by driving circuit 1021, to control described direct current generator 102 work.
Now that its control procedure brief description is as follows:
Because the principle that 103 pairs of static objects of static object monitoring means are monitored, identical with the wireless terminal node that has the static object monitoring function described in the background technology, therefore, when nobody enters when the monitored area, direct current generator 102 does not rotate, and static object monitoring means 103 only has the dynamic object monitoring function at this moment.Enter the monitored area as personnel, static object monitoring means 103 can produce a high level signal.Described high level signal can drive direct current generator 102 and begin to rotate through the amplification of described driving circuit 1021.After direct current generator 102 began to rotate, the static object monitoring means had the static object monitoring function.At this moment, if personnel are static, then static object monitoring means 103 also can produce corresponding high level signal, and this signal can drive or keep direct current generator 102 and rotate through the amplification of driving circuit 1021.When personnel leave the monitored area, then static object monitoring means 103 will no longer produce high level signal, and direct current generator 102 stops operating.
Control by above-mentioned duty to direct current generator 102, the described wireless terminal node that is used for target monitoring of the utility model embodiment, in the time of can in the monitored area, having personnel to exist, start the direct current generator that is used for the static object monitoring, in the monitored area nobody the time, make described direct current generator stop, thereby greatly reduce the energy consumption of wireless terminal node, prolonged the serviceable life of the power supply of direct current generator and this direct current generator with static object monitoring function.
In order further to improve the reliability to DC MOTOR CONTROL, the utility model can also link to each other by driving circuit the signal output part of described dynamic object monitoring means with described direct current generator.
Referring to Fig. 3, be another annexation synoptic diagram of the described direct current generator of the utility model embodiment and dynamic object monitoring means and static object monitoring means.As shown in Figure 3, the signal output part of described static object monitoring means 103, and the signal output part of described dynamic object monitoring means 104 link to each other with described direct current generator 102 by driving circuit 1021 respectively, to control described direct current generator 102 work.
The difference of embodiment shown in Figure 3 and embodiment shown in Figure 2 is: in the described embodiment of Fig. 3, dynamic object monitoring means 104 also can utilize the monitor signal of self to control by 1021 pairs of direct current generators 102 of driving circuit, improves the reliability to DC MOTOR CONTROL.
Among another embodiment of the utility model, described wireless terminal node also can be controlled the direct current generator that is used for the static object monitoring by described single-chip microcomputer:
Still be example with Fig. 1, described single-chip microcomputer 106 can be controlled the direct current generator 102 that is used for the static object monitoring.Concrete control procedure can be in the following way: after dynamic object monitoring means 104 personnel of having monitored enter the monitored area, send signals to single-chip microcomputer 106; After single-chip microcomputer 106 receives this signal, start described direct current generator 102.At this moment, vaned direct current generator 102 is installed is begun to rotate, make static object monitoring means 103 have the static object monitoring function.When personnel leave the monitored area, the monitor signal of dynamic object monitoring means 104 and static object monitoring means 103, all will become the state of no target to be monitored in this zone of expression, and after single-chip microcomputer 106 receives the signal of this state, control described direct current generator 102 and quit work.
Control by above-mentioned duty to direct current generator 102, the described wireless terminal node that is used for target monitoring of the utility model embodiment, in the time of can in the monitored area, having personnel to exist, start the direct current generator that is used for the static object monitoring, in the monitored area nobody the time, make described direct current generator stop, thereby greatly reduce the energy consumption of wireless terminal node, prolonged the serviceable life of the power supply of direct current generator and this direct current generator with static object monitoring function.
Among the embodiment described in the utility model, described wireless signal transmitting module can be the wireless signal transmitting module that adopts the ZigBee technology.Zigbee is the synonym of IEEE 802.15.4 agreement.Technology according to this agreement regulation is the wireless communication technology of a kind of short distance, low-power consumption.Be characterized in closely, low complex degree, self-organization, low-power consumption, low data rate, low cost.Therefore, after the wireless signal transmitting module of ZigBee technology is adopted in use, the networking flexibility of the wireless network that adopts wireless terminal node described in the utility model can be improved, sensing node can be increased or reduce at any time.
Among the embodiment described in the utility model, described direct current generator can be DC speed-reducing.DC speed-reducing is compared with common DC motor, and rotating speed is lower, can avoid: because motor speed is too high, cause the block overlong time of blade to the sensitive unit of double base pyroelectric infrared sensor, influence the static object monitoring accuracy.
Referring to Fig. 4, be the described wireless terminal node structure of another embodiment of the utility model figure.The difference of present embodiment and wireless terminal node shown in Figure 1 is: be provided with filtering circuit 108 between front end infrared data ' s acquisition plate 105 and the single-chip microcomputer 106.Originally the monitor signal of static object monitoring means 103 and dynamic object monitoring means 104 directly is sent to single-chip microcomputer 106 via front end infrared data ' s acquisition plate 105, in the present embodiment, described monitor signal also needs the filtering of wave circuit 108 after filtration, can improve the anti-interference of wireless terminal node.
Among the embodiment described in the utility model, in order further to reduce the energy consumption of wireless terminal node, described wireless signal transmitting module can have park mode.Wireless signal transmitting module with park mode when not receiving the wake-up signal of described single-chip microcomputer, is in the dormant state of low-power consumption; Behind the wake-up signal that receives described single-chip microcomputer, transfer duty to by dormant state, can launch wireless signal.After this, if do not receive described wake-up signal within a certain period of time, then transfer dormant state to by duty.
In addition, production process to described wake-up signal, brief description is as follows herein: single-chip microcomputer is according to the static object monitoring means that receives and the monitor signal of dynamic object monitoring means, whether the monitored personnel that analyze in this zone surpass a certain setting value the residence time in this zone, if surpass this setting value, then send wake-up signal, wake described wireless signal transmitting module up, and outwards launch alarm signal by described wireless signal transmitting module.
The invention also discloses a kind of system that is used for target monitoring.Described system has adopted the wireless terminal node that is used for target monitoring described in the utility model.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment is conspicuous to those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and the corresponding to wide region of features of novelty.
Claims (8)
1. a wireless terminal node that is used for target monitoring is characterized in that, comprising:
The double base pyroelectric infrared sensor, one of them sensitive unit next door is provided with the direct current generator that is used for the static object monitoring;
The static object monitoring means that links to each other with described sensitive unit;
The dynamic object monitoring means that links to each other with another sensitive unit in the described double base pyroelectric infrared sensor;
The signal output part of described static object monitoring means links to each other with described direct current generator by driving circuit, to control described direct current generator work;
Receive the signal of described static object monitoring means and dynamic object monitoring means and the single-chip microcomputer of handling;
The wireless signal transmitting module that signal after described single-chip microcomputer handled is launched.
2. wireless terminal node according to claim 1 is characterized in that, also comprises: the signal output part of described dynamic object monitoring means links to each other with described direct current generator by driving circuit.
3. wireless terminal node according to claim 1 and 2 is characterized in that, described wireless signal transmitting module is: the wireless signal transmitting module that adopts the ZigBee technology.
4. wireless terminal node according to claim 1 and 2 is characterized in that described direct current generator is: DC speed-reducing.
5. wireless terminal node according to claim 1 and 2 is characterized in that, between described single-chip microcomputer and described static object monitoring means and the dynamic object monitoring means, links to each other by filtering circuit.
6. wireless terminal node according to claim 1 and 2 is characterized in that, described wireless signal transmitting module is: receive the wireless signal transmitting module that is transferred to duty behind the wake-up signal of described single-chip microcomputer by dormant state.
7. a wireless terminal node that is used for target monitoring is characterized in that, comprising:
The double base pyroelectric infrared sensor, one of them sensitive unit next door is provided with the direct current generator that is used for the static object monitoring;
The static object monitoring means that links to each other with described sensitive unit;
The dynamic object monitoring means that links to each other with another sensitive unit in the described double base pyroelectric infrared sensor;
Receive the signal of described static object monitoring means and dynamic object monitoring means and handle, the single-chip microcomputer of described direct current generator being controlled according to result;
The wireless signal transmitting module that signal after described single-chip microcomputer handled is launched.
8. a system that is used for target monitoring is characterized in that, comprising: each described wireless terminal node that is used for target monitoring of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200684258U CN202075849U (en) | 2011-03-15 | 2011-03-15 | Wireless terminal node and system for target monitoring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200684258U CN202075849U (en) | 2011-03-15 | 2011-03-15 | Wireless terminal node and system for target monitoring |
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| CN202075849U true CN202075849U (en) | 2011-12-14 |
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| CN2011200684258U Expired - Lifetime CN202075849U (en) | 2011-03-15 | 2011-03-15 | Wireless terminal node and system for target monitoring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864717A (en) * | 2017-01-23 | 2017-06-20 | 东莞亿动智能科技有限公司 | underwater propeller and its control system and control method |
| CN108513611A (en) * | 2017-07-04 | 2018-09-07 | 深圳通感微电子有限公司 | Infrared detector and infrared acquisition method |
-
2011
- 2011-03-15 CN CN2011200684258U patent/CN202075849U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864717A (en) * | 2017-01-23 | 2017-06-20 | 东莞亿动智能科技有限公司 | underwater propeller and its control system and control method |
| CN108513611A (en) * | 2017-07-04 | 2018-09-07 | 深圳通感微电子有限公司 | Infrared detector and infrared acquisition method |
| CN108513611B (en) * | 2017-07-04 | 2020-08-07 | 深圳通感微电子有限公司 | Infrared detector and infrared detection method |
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| C14 | Grant of patent or utility model | ||
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Owner name: KUNSHAN INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE V Free format text: FORMER OWNER: KUNSHAN INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE Effective date: 20121022 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20121022 Address after: 215347, room 1699, 503 South Gate Road, Yushan Town, Kunshan, Jiangsu Patentee after: Kunshan City Industrial Investment Company Limited Address before: 215347, No. 1699, Reed Road, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Industrial Technology Research Institute Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: SUZHOU MORDO THINGS ASSOCIATED TECHNOLOGY CO., LTD Free format text: FORMER OWNER: KUNSHAN INDUSTRIAL RESEARCH INSTITUTE VENTURE INVESTMENT CO., LTD. Effective date: 20131025 |
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Free format text: CORRECT: ADDRESS; FROM: 215347 SUZHOU, JIANGSU PROVINCE TO: 215332 SUZHOU, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20131025 Address after: 215332 Jiangsu Province town Kunshan City Green Road 231 Lane 8, room 2101-2105, room 2112 Patentee after: Suzhou Mordo Internet of Things Technology Co., Ltd. Address before: 215347, room 1699, 503 South Gate Road, Yushan Town, Kunshan, Jiangsu Patentee before: Kunshan City Industrial Investment Company Limited |
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| CX01 | Expiry of patent term | ||
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Granted publication date: 20111214 |