CN203165132U - Novel bank safety alarm with infrared monitoring and relay output control - Google Patents
Novel bank safety alarm with infrared monitoring and relay output control Download PDFInfo
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- CN203165132U CN203165132U CN 201320125920 CN201320125920U CN203165132U CN 203165132 U CN203165132 U CN 203165132U CN 201320125920 CN201320125920 CN 201320125920 CN 201320125920 U CN201320125920 U CN 201320125920U CN 203165132 U CN203165132 U CN 203165132U
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Abstract
The utility model discloses a novel bank safety alarm with infrared monitoring and relay output control, which comprises a human-body infrared sensor, a single-chip microcomputer, an alarm load, six capacitors, two resistors and a relay. Three output ends of the human-body infrared sensor correspond with three sensing signal input ends of the single-chip microcomputer, the six capacitors and the two resistors compose a low-pass filter circuit, the three output ends of the human-body infrared sensor are connected with the low-pass filter circuit and then correspondingly connected with the three sensing signal input ends of the single-chip microcomputer, two control signal output ends of the single-chip microcomputer are respectively connected with two ends of a coil of the relay, and two ends of a normally-open switch of the relay are respectively connected with two power input ends of the alarm load. The low-pass filter circuit is added to strengthen filtering effect for high-frequency noise waves and improve signal to noise ratio, and is especially suitable for occasions on which shielding wires are employed to back feed the sensing signals; and the relay is used to control the alarm load, and is suitable for occasions needless of isolating a bank safety system from commercial power.
Description
Technical field
The utility model relates to a kind of bank safety alarm, relates in particular to a kind of bank safety alarm of new infrared control relay control output.
Background technology
The bank safety alarm is mainly used in the secret room in the bank, as national treasury etc., be used for sensed human body near the time trigger warning device, send alerting signal, to avoid the generation of stolen case.There is the problem that signal to noise ratio (S/N ratio) is lower, detection sensitivity is not enough in existing bank safety alarm, and the circuit structure more complicated.
The utility model content
The purpose of this utility model just is to provide in order to address the above problem the bank safety alarm of a kind of high s/n ratio and highly sensitive new infrared control relay control output.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The bank safety alarm of new infrared control relay control output described in the utility model comprises the human-body infrared sensing device, single-chip microcomputer and warning load, three output terminals of described human-body infrared sensing device are corresponding with three transducing signal input ends of described single-chip microcomputer, described bank safety alarm also comprises six electric capacity, two resistance and a relay, first output terminal of described human-body infrared sensing device respectively with first end of first electric capacity, first end of first resistance is connected with first end of the 3rd electric capacity, second output terminal of described human-body infrared sensing device respectively with second end of described first electric capacity, first end of second electric capacity, first end of the 4th electric capacity, first end of the 5th electric capacity, the second transducing signal input end of first end of the 6th electric capacity and described single-chip microcomputer is connected, the 3rd output terminal of described human-body infrared sensing device respectively with second end of described second electric capacity, second end of described the 3rd electric capacity is connected with first end of second resistance, second end of described second resistance is connected with second end of described the 4th electric capacity and the 3rd transducing signal input end of described single-chip microcomputer respectively, second end of described first resistance is second end of described the 5th electric capacity respectively, the first transducing signal input end of second end of described the 6th electric capacity and described single-chip microcomputer is connected, two control signal output terminals of described single-chip microcomputer are connected with the two ends of the coil of described relay respectively, and the two ends of the normal open switch of described relay are connected with two power inputs of described warning load respectively.
Six electric capacity and two resistance are common forms a low-pass filter circuit, and three output terminals of human-body infrared sensing device connect behind this low-pass filter circuit the corresponding connection of three transducing signal input ends with single-chip microcomputer, has strengthened the make an uproar filtration result of ripple of high frequency.
As preferably, described single-chip microcomputer is the TWH9511 single-chip microcomputer, and the first transducing signal input end of described single-chip microcomputer, the second transducing signal input end and the 3rd transducing signal input end are respectively D end, G end and the S end of described TWH9511 single-chip microcomputer; Two control signal output terminals of described single-chip microcomputer are respectively two K ends of described TWH9511 single-chip microcomputer.
The beneficial effects of the utility model are:
The utility model is by increasing low-pass filter circuit, strengthened the make an uproar filtration result of ripple of high frequency has been improved signal to noise ratio (S/N ratio) and sensitivity, especially is suitable for the occasion that adopts shielding line to present transducing signal; Adopt the break-make of relay control warning load, be suitable for reporting to the police with the bank safety of mains isolation.
Description of drawings
Fig. 1 is the circuit diagram of bank safety alarm described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, the bank safety alarm of new infrared control relay control output described in the utility model comprises human-body infrared sensing device PIR, TWH9511 single-chip microcomputer, warning load R
L First capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6, first resistance R 1, second resistance R 2 and the relay K, three output terminal D of human-body infrared sensing device PIR, G, three transducing signal input end D of S and TWH9511 single-chip microcomputer, G, S is corresponding, the first output terminal D of human-body infrared sensing device PIR respectively with first end of first capacitor C 1, first end of first resistance R 1 is connected with first end of the 3rd capacitor C 3, the second output terminal G of human-body infrared sensing device PIR respectively with second end of first capacitor C 1, first end of second capacitor C 2, first end of the 4th capacitor C 4, first end of the 5th capacitor C 5, the second transducing signal input end G of first end of the 6th capacitor C 6 and TWH9511 single-chip microcomputer is connected, the 3rd output terminal S of human-body infrared sensing device PIR respectively with second end of second capacitor C 2, second end of the 3rd capacitor C 3 is connected with first end of second resistance R 2, second end of second resistance R 2 is connected with second end of the 4th capacitor C 4 and the 3rd transducing signal input end S of TWH9511 single-chip microcomputer respectively, second end of first resistance R 1 is second end of the 5th capacitor C 5 respectively, the first transducing signal input end D of second end of the 6th capacitor C 6 and TWH9511 single-chip microcomputer is connected, two control signal output terminal K of TWH9511 single-chip microcomputer are connected with the two ends of the coil of relay K respectively, the two ends of the normal open switch K-1 of relay K respectively with warning load R
LTwo power inputs connect.
As shown in Figure 1, first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6, first resistance R 1 and low-pass filter circuit of second resistance R, 2 common compositions, three output terminal D, G, the S of human-body infrared sensing device PIR connect behind this low-pass filter circuit three transducing signal input end D, the corresponding connection of G, S with the TWH9511 single-chip microcomputer, have strengthened the make an uproar filtration result of ripple of high frequency.Also show the conventional syndeton of other pin of TWH9511 single-chip microcomputer among Fig. 1, wherein, the two ends of the 3rd resistance R 3 are connected with two R ends of TWH9511 single-chip microcomputer, the two ends of the 4th resistance R 4 respectively with the D of TWH9511 single-chip microcomputer end, the RD end is connected with an end of the 5th resistance R 5, the GD of the other end of the 5th resistance R 5 and TWH9511 single-chip microcomputer holds equal ground connection, one of them AC end of TWH9511 single-chip microcomputer is connected with the end of AC power AC, another AC end of TWH9511 single-chip microcomputer is connected with an end of the 6th resistance R 6 and an end of the 7th capacitor C 7 respectively, the other end of the other end of the 6th resistance R 6 and the 7th capacitor C 7 interconnects the back and is connected with an end of the 7th resistance R 7, and the other end of the 7th resistance R 7 is connected with the other end of AC power AC.
The utility model is by increasing the low-pass filter circuit of being made up of jointly first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6, first resistance R 1 and second resistance R 2, strengthened the make an uproar filtration result of ripple of high frequency, improve signal to noise ratio (S/N ratio) and sensitivity, especially be suitable for the occasion that adopts shielding line to present transducing signal; Adopt relay K control warning load R
LBreak-make, be suitable for reporting to the police with the bank safety of mains isolation.
Claims (2)
1. a new infrared control relay is controlled the bank safety alarm of exporting, comprise the human-body infrared sensing device, single-chip microcomputer and warning load, three output terminals of described human-body infrared sensing device are corresponding with three transducing signal input ends of described single-chip microcomputer, it is characterized in that: also comprise six electric capacity, two resistance and a relay, first output terminal of described human-body infrared sensing device respectively with first end of first electric capacity, first end of first resistance is connected with first end of the 3rd electric capacity, second output terminal of described human-body infrared sensing device respectively with second end of described first electric capacity, first end of second electric capacity, first end of the 4th electric capacity, first end of the 5th electric capacity, the second transducing signal input end of first end of the 6th electric capacity and described single-chip microcomputer is connected, the 3rd output terminal of described human-body infrared sensing device respectively with second end of described second electric capacity, second end of described the 3rd electric capacity is connected with first end of second resistance, second end of described second resistance is connected with second end of described the 4th electric capacity and the 3rd transducing signal input end of described single-chip microcomputer respectively, second end of described first resistance is second end of described the 5th electric capacity respectively, the first transducing signal input end of second end of described the 6th electric capacity and described single-chip microcomputer is connected, two control signal output terminals of described single-chip microcomputer are connected with the two ends of the coil of described relay respectively, and the two ends of the normal open switch of described relay are connected with two power inputs of described warning load respectively.
2. new infrared control relay according to claim 1 is controlled the bank safety alarm of output, it is characterized in that: described single-chip microcomputer is the TWH9511 single-chip microcomputer, and the first transducing signal input end of described single-chip microcomputer, the second transducing signal input end and the 3rd transducing signal input end are respectively D end, G end and the S end of described TWH9511 single-chip microcomputer; Two control signal output terminals of described single-chip microcomputer are respectively two K ends of described TWH9511 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125920 CN203165132U (en) | 2013-03-19 | 2013-03-19 | Novel bank safety alarm with infrared monitoring and relay output control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125920 CN203165132U (en) | 2013-03-19 | 2013-03-19 | Novel bank safety alarm with infrared monitoring and relay output control |
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| Publication Number | Publication Date |
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| CN203165132U true CN203165132U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320125920 Expired - Fee Related CN203165132U (en) | 2013-03-19 | 2013-03-19 | Novel bank safety alarm with infrared monitoring and relay output control |
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| CN (1) | CN203165132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104063974A (en) * | 2013-03-19 | 2014-09-24 | 成都凯智科技有限公司 | Novel bank safety alerter with output controlled by infrared monitoring relay |
| CN104063972A (en) * | 2013-03-19 | 2014-09-24 | 成都凯智科技有限公司 | Novel bank safety alerter with output controlled by infrared monitoring silicon controlled rectifier |
-
2013
- 2013-03-19 CN CN 201320125920 patent/CN203165132U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104063974A (en) * | 2013-03-19 | 2014-09-24 | 成都凯智科技有限公司 | Novel bank safety alerter with output controlled by infrared monitoring relay |
| CN104063972A (en) * | 2013-03-19 | 2014-09-24 | 成都凯智科技有限公司 | Novel bank safety alerter with output controlled by infrared monitoring silicon controlled rectifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JING BINHUA Free format text: FORMER OWNER: CHENGDU KAIZHI TECHNOLOGY CO., LTD. Effective date: 20141231 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610000 CHENGDU, SICHUAN PROVINCE TO: 212300 ZHENJIANG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141231 Address after: 1001 room 212300, unit 28, Jiangnan family, Danyang, Jiangsu Patentee after: Jing Binhua Address before: 610000 Sichuan Province, Chengdu Tianfu Avenue North No. 1480 high-tech incubator Park Building No. 11 West 5-2505 Patentee before: Chengdu Kaizhi Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20160319 |