CN203415059U - Human body infrared detection alerter - Google Patents
Human body infrared detection alerter Download PDFInfo
- Publication number
- CN203415059U CN203415059U CN201320495874.XU CN201320495874U CN203415059U CN 203415059 U CN203415059 U CN 203415059U CN 201320495874 U CN201320495874 U CN 201320495874U CN 203415059 U CN203415059 U CN 203415059U
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- comparer
- human body
- infrared
- sheffer stroke
- stroke gate
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- Burglar Alarm Systems (AREA)
Abstract
The utility model discloses a human body infrared detection alerter comprising a shell. The shell is internally provided with an infrared probe, a swing connecting rod capable of swinging within a preset angle in a reciprocating way, a connecting rod drive mechanism and an elastic reset component. The infrared probe is electrically connected with an infrared signal detection module which comprises an operational amplifier circuit, a comparator U1C, a comparator U1D and a prompt unit. When the infrared probe detects an infrared ray signal, the comparator U1C and the comparator U1D output high level signals to the prompt unit to command the prompt unit to send alarm prompt. A moving human body and a static human body can both be detected by the alerter within a detection range, and the prompt unit is driven to send alarm prompt so that the human body infrared detection alerter has better safety.
Description
Technical field
The utility model relates to infra-red ray detection device, relates in particular to a kind of human body infrared detecting alarm.
Background technology
Along with social development, the improving constantly of living standards of the people, people's awareness of safety is more and more stronger, also more and more based on this kind of various alarm of situation.Wherein outstanding with human body infrared burglar alarm, it,, with its quite high sensitivity and reliability, is subject to liking of users deeply.Existing human body infrared burglar alarm can only detect and send warning to mobile human body, when there being people to enter in sensing range and after static a period of time, human body infrared burglar alarm will cut out warning function, if people grasp this defect of Infrared intrusion detector, user's safety is threatened.
Utility model content
The technical problems to be solved in the utility model is, for the deficiencies in the prior art, a kind of human body infrared detecting alarm is provided, this alarm all can be made detection to the mobile human body within sensing range and static human body, and drive Tip element to send alarm, thereby there is better security.
For solving the problems of the technologies described above, the utility model adopts following technical scheme.
A kind of human body infrared detecting alarm, it includes housing, within housing, be provided with: infrared probe, can be in preset angles swing connecting bar, bar-link drive and the elastic reset assembly of reciprocally swinging, the clutch end of the clutch end of bar-link drive and elastic reset assembly is oppositely arranged, one end of swing connecting bar is fixedly connected on infrared probe, and its other end offsets with the clutch end of the two between bar-link drive and elastic reset assembly and respectively; Infrared probe is electrically connected with infrared signal detection module, this infrared signal detection module includes discharge circuit, comparer U1C, comparer U1D and Tip element, after amplifying by discharge circuit, the infrared signal that infrared probe detects transfers to respectively the in-phase end of comparer U1C and the end of oppisite phase of comparer U1D, the current potential of this comparer U1C end of oppisite phase is higher than the current potential of comparer U1D in-phase end, when infrared probe detects infrared signal, comparer U1C or comparer U1D output high level signal to Tip element to make this Tip element send alarm.
Preferably, Tip element includes Sheffer stroke gate U2A, phase inverter assembly and the loudspeaker Y1 connecting successively, comparer U1C or comparer U1D output high level signal are to an input end of Sheffer stroke gate U2A, the output terminal that another input end of this Sheffer stroke gate U2A is connected in phase inverter assembly by the resistance R 15 that connects successively and capacitor C 9, the tie point of resistance R 15 and capacitor C 9 is connected in the output terminal of Sheffer stroke gate U2A by resistance R 16.
Preferably, phase inverter assembly includes Sheffer stroke gate U2B parallel with one another, Sheffer stroke gate U2C and Sheffer stroke gate U2D, and three's input end interconnects the rear input end as phase inverter assembly, and three's output terminal interconnects the rear output terminal as phase inverter assembly.
Preferably, within Sheffer stroke gate U2A, Sheffer stroke gate U2B, Sheffer stroke gate U2C and Sheffer stroke gate U2D are integrated in chip piece, the model of this chip is CD4011.
Preferably, discharge circuit includes amplifier U1A and amplifier U1B, and amplifier U1A and amplifier U1B are in turn connected into two-stage amplifying circuit.
Preferably, the output terminal of the output terminal of comparer U1C and comparer U1D is connected to the anode of diode D1 and the anode of diode D2, is connected in the input end of Tip element after the negative electrode of the negative electrode of diode D1 and diode D2 interconnects again.
Preferably, within amplifier U1A, amplifier U1B, comparer U1C and comparer U1D are integrated in chip piece, the model of this chip is LM324.
Preferably, swing connecting bar is provided with a rotating shaft, swing connecting bar reciprocally swinging around this rotating shaft and in preset angles.
Preferably, elastic reset assembly includes a push rod and is sheathed on push rod and drives the spring of push rod Elastic Sliding, and the end of push rod is the clutch end of elastic reset assembly.
Preferably, bar-link drive is electromagnet, and infrared probe is pyroelectric infrared sensor.
The disclosed human body infrared detecting alarm of the utility model, its beneficial effect is, the infrared probe swinging can produce and relatively move with human body, thereby detecting under the prerequisite of mobile human body, also realized the ultrared detection of static human body, and by infrared detection module, infrared signal is processed, send afterwards alarm, thereby there is better security, in addition, this human body infrared detecting alarm simple in structure, with low cost, be easy to realize, be adapted at security protection, alarm technique field is applied.
Accompanying drawing explanation
Fig. 1 is enclosure interior structural representation.
Fig. 2 is the front elevation of housing.
Fig. 3 is the side view of housing.
Fig. 4 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in more detail.
The utility model discloses a kind of human body infrared detecting alarm, as shown in Figures 1 to 4, it includes housing 1, within housing 1, be provided with: infrared probe 1, can be in preset angles the swing connecting bar 2 of reciprocally swinging, bar-link drive 3 and elastic reset assembly 4, infrared probe 1 is fixed on one end of swing connecting bar 2, the other end of this swing connecting bar 2 offsets with the clutch end of the two between bar-link drive 3 and elastic reset assembly 4 and respectively, infrared probe 1 is electrically connected with infrared signal detection module, this infrared signal detection module includes discharge circuit 11, comparer U1C, comparer U1D and Tip element 12, after amplifying by discharge circuit, the infrared signal that infrared probe 1 detects transfers to respectively the in-phase end of comparer U1C and the end of oppisite phase of comparer U1D, the current potential of this comparer U1C end of oppisite phase is higher than the current potential of comparer U1D in-phase end, when infrared probe 1 detects infrared signal, comparer U1C or comparer U1D output high level signal to Tip element 12 to make this Tip element 12 send alarm.
Bar-link drive 3 in above-mentioned human body infrared detecting alarm is exported by the automatically controlled power of realizing, when bar-link drive 3 powers on, its clutch end promotes swing connecting bar 2 and swings, elastic reset assembly 4 is by elastic compression energy storage simultaneously, when bar-link drive 3 power down, its clutch end resets, and elastic reset assembly 4 kinetic energy discharge simultaneously, and resiliency urged swing connecting bar 2 resets.By bar-link drive 3 gone up to electric control repeatedly, coordinate elastic reset assembly 4 energy storage, releasing can, make swing connecting bar 2 drive infrared probe 1 reciprocally swinging, this infrared probe 1 can be responded to the infrared ray of mobile human body, and especially, for static human body, the infrared probe 1 of swing produces and relatively moves with human body, thereby realized the ultrared detection of static human body, in addition, the infrared probe 1 of swing has also expanded infrared detection region, thereby has improved infrared detection ability.
Further, discharge circuit 11 includes amplifier U1A and amplifier U1B, and amplifier U1A and amplifier U1B are in turn connected into two-stage amplifying circuit.The output terminal of the output terminal of comparer U1C and comparer U1D is connected to the anode of diode D1 and the anode of diode D2, the negative electrode of the negative electrode of diode D1 and diode D2 interconnects the rear Tip element 12 as infrared signal detection module, and diode D1 wherein and diode D2 are for preventing the output signal phase mutual interference of comparer U1C and comparer U1D.In order to improve the integrated level of product, within above-mentioned amplifier U1A, amplifier U1B, comparer U1C and comparer U1D are integrated in chip piece, the model of this chip is LM324.
The output pin of infrared probe 1 is connected in terminal J, between the positive source of this infrared signal detection module and negative pole, be connected with resistance R 11, potentiometer R12 and the resistance R 13 of series connection successively, wherein the tie point of resistance R 11 and potentiometer R12 is connected with the end of oppisite phase of comparer U1C, potentiometer R12 is connected with the in-phase end of comparer U1D with the tie point of resistance R 13, by regulator potentiometer R12, make the end of oppisite phase voltage of comparer U1C higher than the voltage of comparer U1D in-phase end.
The principle of work of above-mentioned infrared signal detection module is: after the signal of this infrared probe 1 output carries out two-stage amplification by amplifier U1A and amplifier U1B successively, transfer to respectively the in-phase end of comparer U1C and the end of oppisite phase of comparer U1D, when the voltage of amplifier U1B output is during higher than the end of oppisite phase of comparer U1C, comparer U1C exports high level signal to Tip element 12, simultaneously comparer U1D output low level signal; When the voltage of amplifier U1B output is during lower than the in-phase end of comparer U1D, comparer U1D output high level signal is to Tip element 12, simultaneously comparer U1C output low level signal; When the voltage of amplifier U1B output is during lower than the end of oppisite phase of comparer U1C and higher than the in-phase end of comparer U1D, the two equal output low level; By above-mentioned three kinds of output states, can learn, when infrared probe 1 senses that the voltage of mobile infrared signal and its generation reaches the upper limit or lower limit, Tip element 12 all can obtain high level signal, thereby send alarm, in practical application, can regulate by regulator potentiometer R12 the sensitivity of infrared signal detection module.The human body infrared detecting alarm of said structure can detect mobile human body and static human body, has good accuracy and reliability.
Concrete structure about Tip element 12, this Tip element 12 can adopt auditory tone cues also can adopt light prompt, the present embodiment is preferably auditory tone cues, particularly, this Tip element 12 includes the Sheffer stroke gate U2A connecting successively, phase inverter assembly and loudspeaker Y1, comparer U1C or comparer U1D output high level signal are to an input end of Sheffer stroke gate U2A, the output terminal that another input end of this Sheffer stroke gate U2A is connected in phase inverter assembly by the resistance R 15 that connects successively and capacitor C 9, the tie point of resistance R 15 and capacitor C 9 is connected in the output terminal of Sheffer stroke gate U2A by resistance R 16.Wherein, phase inverter assembly includes Sheffer stroke gate U2B parallel with one another, Sheffer stroke gate U2C and Sheffer stroke gate U2D, and three's input end interconnects the rear input end as phase inverter assembly, and three's output terminal interconnects the rear output terminal as phase inverter assembly.In order to improve product integrated level, within Sheffer stroke gate U2A, Sheffer stroke gate U2B, Sheffer stroke gate U2C and Sheffer stroke gate U2D are integrated in chip piece, the model of this chip is CD4011.
The principle of work of this Tip element 12 is: when infrared probe 1 does not detect infrared signal, the input end of Tip element 12 is low level, Sheffer stroke gate U2A output high level is to make capacitor C 9 chargings until be full of, make the tie point of Sheffer stroke gate U2A and resistance R 15 be high level state, loudspeaker Y1 now obtains low level, when infrared probe 1 detects infrared signal, there is high level signal to transfer to Tip element 12, make two input ends of Sheffer stroke gate U2A be high level state, Sheffer stroke gate U2A output low level is exported high level to loudspeaker Y1 to phase inverter assembly and by phase inverter assembly, simultaneously, the voltage of capacitor C 9 is released by resistance R 16 and the voltage of the two tie point reduces gradually, until the tie point of Sheffer stroke gate U2A and resistance R 15 is down to low level, to make Sheffer stroke gate U2A output high level to phase inverter assembly, make loudspeaker Y1 obtain low level, and capacitor C 9 is charged again, until the voltage with resistance R 15 tie points of Sheffer stroke gate U2A comes back to high level, make two input ends of Sheffer stroke gate U2A be high level state, loudspeaker Y1 regains high level.Repetitiousness ground, the oscillatory circuit forming by capacitor C 9, resistance R 16 and resistance R 15, loudspeaker Y1 can obtain the voltage signal that height alternately changes, thereby sounds alarm, and the frequency of this sound can be set by the capacity of capacitor C 9 and the resistance value of resistance R 16.
In the present embodiment, swing process about swing connecting bar 2, swing connecting bar 2 is provided with a rotating shaft 20, swing connecting bar 2 reciprocally swinging around this rotating shaft 20 and in preset angles, in swing connecting bar 2 wherein, can offer through hole, rotating shaft 20 can realize and the relatively rotating of swing connecting bar 2 through this through hole.
In the present embodiment, elastic reset assembly 4 includes a push rod 40 and is sheathed on push rod 40 and drives the spring 41 of push rod 40 Elastic Sliding, and the end of push rod 40 is the clutch end of elastic reset assembly 4, and bar-link drive 3 is electromagnet.As above, the clutch end of the end of this push rod 40 and bar-link drive 3 is oppositely arranged, and makes the two with relative direction outputting power.In the present embodiment, infrared probe 1 is that pyroelectric infrared sensor can be also other infrared induction devices.
Human body infrared detecting alarm based on said structure can find out, this alarm all can be made detection to the mobile human body within sensing range and static human body, and drives Tip element 12 alarm of sounding, thereby has better security.Meanwhile, this alarm simple in structure, only need can drive the loudspeaker Y1 prompting of sounding by oscillatory circuit, thereby have compared with downside cost of products.
More than the utility model preferred embodiment just, is not limited to the utility model, all modifications of making in technical scope of the present utility model, is equal to and replaces or improvement etc., all should be included in the scope that the utility model protects.
Claims (10)
1. a human body infrared detecting alarm, is characterized in that, includes housing, within described housing, is provided with:
Infrared probe, can be in preset angles swing connecting bar, bar-link drive and the elastic reset assembly of reciprocally swinging, the clutch end of the clutch end of described bar-link drive and elastic reset assembly is oppositely arranged, one end of described swing connecting bar is fixedly connected on infrared probe, and its other end offsets with the clutch end of the two between bar-link drive and elastic reset assembly and respectively;
Described infrared probe is electrically connected with infrared signal detection module, this infrared signal detection module includes discharge circuit, comparer U1C, comparer U1D and Tip element, after amplifying by discharge circuit, the infrared signal that described infrared probe detects transfers to respectively the in-phase end of comparer U1C and the end of oppisite phase of comparer U1D, the current potential of this comparer U1C end of oppisite phase is higher than the current potential of comparer U1D in-phase end, when described infrared probe detects infrared signal, described comparer U1C or comparer U1D output high level signal to Tip element to make this Tip element send alarm.
2. human body infrared detecting alarm as claimed in claim 1, it is characterized in that, described Tip element includes Sheffer stroke gate U2A, phase inverter assembly and the loudspeaker Y1 connecting successively, described comparer U1C or comparer U1D output high level signal are to an input end of Sheffer stroke gate U2A, the output terminal that another input end of this Sheffer stroke gate U2A is connected in phase inverter assembly by the resistance R 15 that connects successively and capacitor C 9, the tie point of resistance R 15 and capacitor C 9 is connected in the output terminal of Sheffer stroke gate U2A by resistance R 16.
3. human body infrared detecting alarm as claimed in claim 2, it is characterized in that, described phase inverter assembly includes Sheffer stroke gate U2B parallel with one another, Sheffer stroke gate U2C and Sheffer stroke gate U2D, three's input end interconnects the rear input end as phase inverter assembly, and three's output terminal interconnects the rear output terminal as phase inverter assembly.
4. human body infrared detecting alarm as claimed in claim 3, is characterized in that, within described Sheffer stroke gate U2A, Sheffer stroke gate U2B, Sheffer stroke gate U2C and Sheffer stroke gate U2D are integrated in chip piece, the model of this chip is CD4011.
5. human body infrared detecting alarm as claimed in claim 1, is characterized in that, described discharge circuit includes amplifier U1A and amplifier U1B, and described amplifier U1A and amplifier U1B are in turn connected into two-stage amplifying circuit.
6. human body infrared detecting alarm as claimed in claim 1, it is characterized in that, the output terminal of the output terminal of described comparer U1C and comparer U1D is connected to the anode of diode D1 and the anode of diode D2, is connected in the input end of Tip element after the negative electrode of the negative electrode of described diode D1 and diode D2 interconnects again.
7. human body infrared detecting alarm as claimed in claim 5, is characterized in that, within described amplifier U1A, amplifier U1B, comparer U1C and comparer U1D are integrated in chip piece, the model of this chip is LM324.
8. human body infrared detecting alarm as claimed in claim 1, is characterized in that, described swing connecting bar is provided with a rotating shaft, described swing connecting bar reciprocally swinging around this rotating shaft and in preset angles.
9. human body infrared detecting alarm as claimed in claim 1, is characterized in that, described elastic reset assembly includes a push rod and is sheathed on push rod and drives the spring of push rod Elastic Sliding, and the end of described push rod is the clutch end of elastic reset assembly.
10. human body infrared detecting alarm as claimed in claim 1, is characterized in that, described bar-link drive is electromagnet, and described infrared probe is pyroelectric infrared sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320495874.XU CN203415059U (en) | 2013-08-14 | 2013-08-14 | Human body infrared detection alerter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320495874.XU CN203415059U (en) | 2013-08-14 | 2013-08-14 | Human body infrared detection alerter |
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| Publication Number | Publication Date |
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| CN203415059U true CN203415059U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320495874.XU Expired - Fee Related CN203415059U (en) | 2013-08-14 | 2013-08-14 | Human body infrared detection alerter |
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| Country | Link |
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| CN (1) | CN203415059U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198049A (en) * | 2014-07-29 | 2014-12-10 | 苏州佳世达电通有限公司 | Thermoelectric sensing device |
| US9651427B2 (en) | 2014-07-17 | 2017-05-16 | Qisda (Suzhou) Co., Ltd. | Pyroelectric sensing device |
-
2013
- 2013-08-14 CN CN201320495874.XU patent/CN203415059U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9651427B2 (en) | 2014-07-17 | 2017-05-16 | Qisda (Suzhou) Co., Ltd. | Pyroelectric sensing device |
| CN104198049A (en) * | 2014-07-29 | 2014-12-10 | 苏州佳世达电通有限公司 | Thermoelectric sensing device |
| CN104198049B (en) * | 2014-07-29 | 2017-11-07 | 苏州佳世达电通有限公司 | Thermoelectric (al) type induction installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Ben Dian Electronic Technology Co., Ltd. Assignor: Chen Xingli Contract record no.: 2014440020084 Denomination of utility model: A kind of human body infrared detecting alarm Granted publication date: 20140129 License type: Exclusive License Record date: 20140328 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20150814 |
|
| EXPY | Termination of patent right or utility model |