CN204887580U - Human infrared sensing devices - Google Patents
Human infrared sensing devices Download PDFInfo
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- CN204887580U CN204887580U CN201520555329.4U CN201520555329U CN204887580U CN 204887580 U CN204887580 U CN 204887580U CN 201520555329 U CN201520555329 U CN 201520555329U CN 204887580 U CN204887580 U CN 204887580U
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Abstract
The utility model discloses a human infrared sensing devices, including collector lens, the heat that is located collector lens focus department release electric infrared inductive probe, level upset and holding circuit, the load of being connected with the power, the electronic switch who is used for intercommunication / disconnection between control load and the power, electric infrared inductive probe's signal output part connection level upset and holding circuit's signal input part are released to heat, and the level overturns and is connected electronic switch's signal input part with holding circuit's signal output part. The utility model discloses a level upset and holding circuit realize human infrared sensing devices's automated control: the probe receives human infrared signal and triggers at every turn, and the load can the cycle variation with the switch -on off -state of power. Human infrared signal both can trigger controlled load switch on, also can trigger controlled load supply interruption. The utility model has the advantages of simple structure and reasonable design, convenient to use has avoided delay switch's restriction, is suitable for popularization and application.
Description
Technical field
The utility model relates to automatic control technology field, is specifically related to a kind of human body infrared induction installation.
Background technology
Along with the development of science and technology, the automaticity of people's daily life improves gradually.Could open or close for solution conventional light switch needs people to touch, develop infrared sensing switch now, remote auto can be realized and control.But, current human body infrared inductive switch on the market also has the following disadvantages: existing human body infrared inductive switch is generally opened by infrared induction, but can only time-delay closing be leaned on, direct situation of being closed by infrared induction is not disclosed, use is subject to delay adjustments time restriction, comparatively inconvenience.Therefore, prior art haves much room for improvement.
Utility model content
The utility model, for above-mentioned Problems existing, provides a kind of human body infrared induction installation.
The utility model for achieving the above object, takes following technical scheme to be achieved:
A kind of human body infrared induction installation, comprises collector lens, the load that pyroelectric infrared-sensing is popped one's head in, level upset is connected with power supply with holding circuit at collector lens focus place, the electronic switch for being communicated with between control load with power supply/disconnecting; The signal output part of described pyroelectric infrared-sensing probe connects the signal input part of level upset and holding circuit, and level upset is connected the signal input part of electronic switch with the signal output part of holding circuit.
Preferably, described load is lamp.More preferably, described load is LED.
Preferably, described level upset and holding circuit are a trigger in CD4013 integrated circuit, comprise R port, S port, D port, Q port ,-Q port and CLK port, wherein, R port and S port ground connection, D port is electrically connected with-Q port, and CLK port is the signal input part of level upset and holding circuit; Q port is the signal output part of level upset and holding circuit.
Electronic switch comprises resistance R1, resistance R2, controllable silicon Q1 and rectifier bridge D1.Rectifier bridge D1 comprises four diodes, has four leading foots, is designated as Y1, Y2, Y3 and Y4 respectively.The minus earth of controllable silicon Q1, anode is connected with the leading foot Y1 of rectifier bridge D1, controls pole and connects one end of R1 and R2 simultaneously, the R1 other end as the signal input part of electronic switch, the other end ground connection of R2.The leading foot Y3 ground connection of rectifier bridge D1, leading foot Y2 connects AC1 after connecting LED, and leading foot Y4 connects AC2.AC1 and AC2 is civil power access interface.
Preferably, also comprise shell, be provided with opening on the right side of described shell, described collector lens is arranged at this opening.
Preferably, described pyroelectric infrared-sensing probe, level upset are all arranged in shell with holding circuit, load and electronic switch.When duty ratio shell is large, load is received outside shell by wire.
Preferably, described shell is the light transmitting shell with infrared shield function.This shell can make visible ray pass through, and facilitates the lamp of its inside (load) outwards to send visible ray.The ultrared function of this housing shroud can avoid the interference of the infrared light of non-detection direction.
Preferably, described shell is provided with support and is fixed on support and the speculum that can rotate around support.The setting of speculum conveniently can adjust the detection direction of probe to human body.According to the needs in actual detection direction, speculum can be completely reflecting mirror, half photoscope or polygonal mirror.
Preferably, described shell is provided with plug, and described plug is connected by electronic switch with load.
Preferably, described plug is rotatable plug.
Directly lamp socket can be set on electronic switch, be convenient to installation and the replacing of LED.
The level upset that the utility model selects rising edge to trigger and holding circuit.When popping one's head in level upset and the level that exports of holding circuit by low uprising, the level that level upset and holding circuit export just can overturn (uprising by high step-down or by low), the level that level upset and holding circuit export is input in electronic switch, realizes the control to load on/off power supply.When level upset exports high level with holding circuit to electronic switch, load switches on power; When level upset and holding circuit are to electronic switch output low level, load deenergization.Specific as follows:
(1) human body is away from probe detection scope, when probe can't detect infrared light, probe output output low level, the level that level upset and holding circuit export keeps original state (supposing to be low level originally), electronic switch receives low level, load deenergization.
(2) when human motion is to probe detection scope, probe detects human body infrared light moment, the level that probe output exports is uprised by low, the level that level upset and holding circuit export overturns as high level, electronic switch receives high level, load switches on power, and namely realizes infrared sensing switch and opens.
(3) human body is again away from probe detection scope, probe can't detect infrared light, probe output output low level, the level that level upset and holding circuit export keeps original state (namely the high level of step 2), electronic switch receives high level, load still switches on power, and infrared sensing switch continues to open.
(4) when human body moves to probe detection scope again, probe detects human body infrared light moment again, the level that probe output exports is uprised by low, the level that level upset and holding circuit export overturns as low level, electronic switch receives low level, load deenergization, namely realizes infrared sensing switch and cuts out.
(5) human body is again again away from probe detection scope, when probe can't detect infrared light, probe output output low level, the level that level upset and holding circuit export keeps original state (low level), electronic switch receives low level, and load is deenergization still.Be equivalent to get back to step 1.
That is, each probe is subject to human infrared signal and triggers, and the ON/OFF state of load and power supply can circulation change.The infrared signal of human body both can trigger controlled load and switch on power, and also can trigger controlled load and cut off the electricity supply.When not having human body triggering signal, controlled load keeps ON/OFF state that is original and power supply.
Compared with prior art, the beneficial effects of the utility model are as follows: the utility model realizes the Automated condtrol of human body infrared induction installation by level upset with holding circuit: pop one's head in is subject to human infrared signal and triggers at every turn, the ON/OFF state of load and power supply will change, human body infrared light both can initiatively trigger controlled load and switch on power, and also can initiatively trigger controlled load and power supply disconnects.The utility model structure is simple, reasonable in design, easy to use, avoids the restriction of delay switch, is suitable for applying.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of human body infrared induction installation of the utility model;
Fig. 2 is electrical block diagram of the present utility model;
Fig. 3 is another electrical block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
The present embodiment is a LED controlled by human infrared signal.It is to be noted that the present embodiment should be considered as the restriction to load.
See Fig. 1 ~ 3, a kind of human body infrared induction installation, comprises collector lens 1, electronic switch 5 that load 4 that the pyroelectric infrared-sensing probe 2 at collector lens 1 focus place, level upset are connected with power supply with holding circuit 3, control load 4 are communicated with between power supply/disconnect.The signal output part of pyroelectric infrared-sensing probe 2 connects the signal input part of level upset and holding circuit 3, and level overturns the signal input part with the signal output part connecting valve circuit 5 of holding circuit 3.
Pyroelectric infrared-sensing probe 2 selects the probe A M312 of integrated-type.
See Fig. 2 and Fig. 3, level upset and holding circuit are a trigger in CD4013 integrated circuit, comprise R port, S port, D port, Q port ,-Q port and CLK port, wherein, R port and S port ground connection, D port is electrically connected with-Q port, and CLK port is the signal input part of level upset and holding circuit; Q port is the signal output part of level upset and holding circuit.
See Fig. 2, electronic switch comprises resistance R1, resistance R2, controllable silicon Q1 and rectifier bridge D1.Rectifier bridge D1 comprises four diodes, has four leading foots, is designated as Y1, Y2, Y3 and Y4 respectively.The minus earth of controllable silicon Q1, anode is connected with the leading foot Y1 of rectifier bridge D1, controls pole and connects one end of R1 and R2 simultaneously, the R1 other end as the signal input part of electronic switch, the other end ground connection of R2.The leading foot Y3 ground connection of rectifier bridge D1, leading foot Y2 connects AC1 after connecting LED, and leading foot Y4 connects AC2.AC1 and AC2 is civil power access interface.
AC1 and AC2 5V voltage stabilizing didoe D2 obtains 5V voltage, the further burning voltage of C1 filtering after connecting civil power, then exports 3V burning voltage through Voltage stabilizing module U3, for pyroelectric infrared-sensing probe 2 and CD4013.
When CD4013 exports high level, then controllable silicon Q1 conducting, so LED also accesses civil power, lamp is luminous.
When CD4013 output low level, then controllable silicon Q1 ends, then LED and civil power disconnect.
When pyroelectric infrared-sensing probe 2 is triggered by human body infrared light, CD4013 output level changes.When probe is not subject to triggering, then CD4013 exports and keeps former level.So human body infrared light can make controlled LED luminous, it also can be made to extinguish.
The human body infrared induction installation of the present embodiment also comprises shell 6, is provided with opening 7 on the right side of shell 6, and collector lens 1 is arranged at this opening 7.Pyroelectric infrared-sensing probe 2, level upset and holding circuit 3, load 4 and switching circuit 5 are all as in shell 6.When load 4 is larger than shell 6, received outside shell 6 by wire.
Shell 6 is for having the light transmitting shell of infrared shield function.This shell can make visible ray pass through, and facilitates the lamp of its inside outwards to send visible ray.The ultrared function of this housing shroud can avoid the interference of the infrared light of non-detection direction.
Shell 6 is provided with support 8 and is fixed on support 8 and the speculum 9 that can rotate around support 8.The setting of speculum 9 conveniently can adjust the detection direction of probe 2 pairs of human bodies.
Shell 6 is provided with plug 10, is convenient to connect civil power.Plug 10 is electrically connected with load 4.Plug 10 is preferably rotatable plug.
The level upset that the utility model selects rising edge to trigger and holding circuit.When popping one's head in level upset and the level that exports of holding circuit by low uprising, the level that level upset and holding circuit export just can overturn (uprising by high step-down or by low), the level that level upset and holding circuit export is input in electronic switch, realizes the control to load on/off power supply.When level upset exports high level with holding circuit to electronic switch, load switches on power; When level upset and holding circuit are to electronic switch output low level, load deenergization.Specific as follows:
(1) human body is away from probe detection scope, when probe can't detect infrared light, probe output output low level, the level that level upset and holding circuit export keeps original state (supposing to be low level originally), electronic switch receives low level, load deenergization.
(2) when human motion is to probe detection scope, probe detects human body infrared light moment, the level that probe output exports is uprised by low, the level that level upset and holding circuit export overturns as high level, electronic switch receives high level, load switches on power, and namely realizes infrared sensing switch and opens.
(3) human body is again away from probe detection scope, probe can't detect infrared light, probe output output low level, the level that level upset and holding circuit export keeps original state (namely the high level of step 2), electronic switch receives high level, load still switches on power, and infrared sensing switch continues to open.
(4) when human body moves to probe detection scope again, probe detects human body infrared light moment again, the level that probe output exports is uprised by low, the level that level upset and holding circuit export overturns as low level, electronic switch receives low level, load deenergization, namely realizes infrared sensing switch and cuts out.
(5) human body is again again away from probe detection scope, when probe can't detect infrared light, probe output output low level, the level that level upset and holding circuit export keeps original state (low level), electronic switch receives low level, and load is deenergization still.Be equivalent to get back to step 1.
That is, each probe is subject to human infrared signal and triggers, and the ON/OFF state of load and power supply can circulation change.The infrared signal of human body both can trigger controlled load and switch on power, and also can trigger controlled load and cut off the electricity supply.When not having human body triggering signal, controlled load keeps ON/OFF state that is original and power supply.
Compared with prior art, the beneficial effects of the utility model are as follows: the utility model realizes the Automated condtrol of human body infrared induction installation by level upset with holding circuit: pop one's head in is subject to human infrared signal and triggers at every turn, the ON/OFF state of load and power supply will change, human body infrared light both can initiatively trigger controlled load and switch on power, and also can initiatively trigger controlled load and power supply disconnects.The utility model structure is simple, reasonable in design, easy to use, avoids the restriction of delay switch, is suitable for applying.
Only as described above, be only the preferred embodiment of the utility model, when can not limit the scope of the utility model enforcement with this, namely generally according to equivalence change simple done by the content described in the utility model claim and utility model specification and modification, all still belong within the utility model claim scope.In addition, summary part and title are only used to the use of auxiliary patent document search, are not used for the interest field of restriction the utility model.
Claims (10)
1. a human body infrared induction installation, it is characterized in that, comprise collector lens, the load that pyroelectric infrared-sensing is popped one's head in, level upset is connected with power supply with holding circuit at collector lens focus place, the electronic switch for being communicated with between control load with power supply/disconnecting; The signal output part of described pyroelectric infrared-sensing probe connects the signal input part of level upset and holding circuit, and level upset is connected the signal input part of electronic switch with the signal output part of holding circuit.
2. a kind of human body infrared induction installation according to claim 1, it is characterized in that, described level upset and holding circuit are a trigger in CD4013 integrated circuit, comprise R port, S port, D port, Q port ,-Q port and CLK port, wherein, R port and S port ground connection, D port is electrically connected with-Q port, and CLK port is the signal input part of level upset and holding circuit; Q port is the signal output part of level upset and holding circuit.
3. a kind of human body infrared induction installation according to claim 1, is characterized in that, also comprise shell, and be provided with opening on the right side of described shell, described collector lens is arranged at this opening.
4. a kind of human body infrared induction installation according to claim 3, is characterized in that, described pyroelectric infrared-sensing probe, level upset are all placed in shell with holding circuit, load and electronic switch.
5. a kind of human body infrared induction installation according to claim 3, is characterized in that, described pyroelectric infrared-sensing probe, level upset are all placed in shell with holding circuit and electronic switch, and described load is arranged on outside shell.
6. a kind of human body infrared induction installation according to claim 3, is characterized in that, described shell is the light transmitting shell with infrared shield function.
7. a kind of human body infrared induction installation according to claim 3, is characterized in that, described shell is provided with support and is fixed on support and the speculum that can rotate around support.
8. a kind of human body infrared induction installation according to claim 3, it is characterized in that, described shell is provided with plug, and described plug is connected by electronic switch with load.
9. a kind of human body infrared induction installation according to claim 8, is characterized in that, described plug is rotatable plug.
10. a kind of human body infrared induction installation according to claim 7, is characterized in that, described speculum is completely reflecting mirror, half-transmitting mirror or polygonal mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555329.4U CN204887580U (en) | 2015-07-28 | 2015-07-28 | Human infrared sensing devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555329.4U CN204887580U (en) | 2015-07-28 | 2015-07-28 | Human infrared sensing devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204887580U true CN204887580U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520555329.4U Expired - Fee Related CN204887580U (en) | 2015-07-28 | 2015-07-28 | Human infrared sensing devices |
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| Country | Link |
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| CN (1) | CN204887580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279070A (en) * | 2018-02-09 | 2018-07-13 | 德清兰德电子有限公司 | A kind of infrared sensing equipment and method |
-
2015
- 2015-07-28 CN CN201520555329.4U patent/CN204887580U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279070A (en) * | 2018-02-09 | 2018-07-13 | 德清兰德电子有限公司 | A kind of infrared sensing equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |