CN105559303A - Induction easy-to-find card holder - Google Patents
Induction easy-to-find card holder Download PDFInfo
- Publication number
- CN105559303A CN105559303A CN201410630222.1A CN201410630222A CN105559303A CN 105559303 A CN105559303 A CN 105559303A CN 201410630222 A CN201410630222 A CN 201410630222A CN 105559303 A CN105559303 A CN 105559303A
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- China
- Prior art keywords
- induction
- nand gate
- mentioned
- key switch
- piezoelectric ceramic
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- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The invention discloses an induction easy-to-find card holder which comprises a card holder body, and further comprises a 5V power supply, an induction emitter, a micro-key switch, and an induction receiving alarm, wherein the induction emitter comprises a multivibrator including two NAND gates, a resistor, and a capacitor; the NAND gates are a NAND gate I and a NAND gate II; one end of the micro-key switch is electrically connected with the positive electrode of the 5V power supply; input pins of the NAND gates are electrically connected with the other end of the micro-key switch; the power grounding pins of the NAND gates are electrically connected with the negative electrode of the 5V power supply; the output end of the multivibrator is connected with an emitting coil; the induction receiving alarm comprises a receiving coil and a piezoelectric ceramic piece which are electrically connected with each other. All that is needed to find a card in the induction easy-to-find card holder is to press the micro-key switch, then the receiving coil induces electromagnetic waves emitted by the emitting coil to generate current, the current passes through the piezoelectric ceramic piece, and the piezoelectric ceramic piece sounds to alarm a user. Therefore, the induction easy-to-find card holder has the functions of induction, power generation and alarming.
Description
Technical field
The invention belongs to applying electronic field, relate to a kind of certificate protective bag with prompting function.
Background technology
Existing certificate protective bag does not forget prompting function, forgets where be placed on, have the certificate protective bag of prompting function to need again power supply, unfavorable economize energy as campus card, all-purpose card, identity card etc.
Summary of the invention
The object of this invention is to provide a kind of induction and easily look for certificate bag, easily can find certificate bag.
The object of the invention is to be achieved through the following technical solutions:
As a kind of technical scheme, a kind of induction easily looks for certificate bag, comprise: certificate bag body, also comprise, 5V power supply, inductive transmitter, miniature key switch, induction receives alarm, inductive transmitter is by two NAND gates, resistance, the multivibrator that electric capacity is formed, two NAND gates are respectively NAND gate one and NAND gate two, one end of miniature key switch is electrically connected with 5V positive pole, two NAND gate power supply input pins are electrically connected with the other end of miniature key switch, two NAND gate power ground pin are connected with 5V negative electricity, multivibrator output connects transmitting coil, induction receives alarm and is made up of receiving coil and piezoelectric ceramic piece, receiving coil and piezoelectric ceramic piece electricity connect, the electromagnetic wave that receiving coil induced emission coil sends forms electric current, the electric current of induction passes through piezoelectric ceramic piece.
As a kind of technical scheme, a kind of induction easily looks for certificate bag, it is characterized in that, NAND gate one signal input part is connected with one end electricity of inductance with one end of resistance and one end of electric capacity, NAND gate one signal output part is connected with NAND gate binary signal input electricity with the other end of resistance, and NAND gate binary signal output is connected with the other end electricity of inductance with the other end of electric capacity.
As a kind of technical scheme, receiving coil and piezoelectric ceramic piece with organic transparent plastic envelope at certificate bag right part.
As a kind of technical scheme, above-mentioned 5V power supply is chargeable lithium cell, inductive transmitter is by organic plastics shell, and miniature key switch is arranged on machine plastic casing, and above-mentioned NAND gate one and NAND gate two, resistance, electric capacity, transmitting coil are arranged in machine plastic casing.
This kind of respond to easily look for certificate bag have induction generating report to the police certificate bag.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Accompanying drawing 1 is that a kind of described in the embodiment of the present invention responds to the structural representation easily looking for certificate bag:
Accompanying drawing 2 is that a kind of described in the embodiment of the present invention responds to the electrical block diagram easily looking for certificate bag:
Accompanying drawing 3 is that a kind of described in the embodiment of the present invention responds to the inductive transmitter structural representation easily looking for certificate bag:
Accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 mark implication: 1, certificate bag body, and 2,5V power supply, 3, inductive transmitter, 4, induction receives alarm, 5, receiving coil, 6, piezoelectric ceramic piece, 7, multivibrator, K, miniature key switch, Y1, NAND gate one, Y2, NAND gate two, R, resistance, C, electric capacity, L, transmitting coil.
Detailed description of the invention
The present invention is specifically introduced as follows below in conjunction with drawings and Examples:
As one preferably as a kind of embodiment, a kind of induction easily looks for certificate bag, comprise: certificate bag body 1, also comprise, 5V power supply 2, inductive transmitter 3, miniature key switch K, induction receives alarm 4, inductive transmitter 3 is by two NAND gates, resistance R, the multivibrator 7 that electric capacity C is formed, two NAND gates are respectively NAND gate one Y1 and NAND gate two Y2, one end of miniature key switch K is electrically connected with 5V positive pole, two NAND gate power supply input pins are electrically connected with the other end of miniature key switch K, two NAND gate power ground pin are connected with 5V negative electricity, multivibrator 7 output meets transmitting coil L, induction receives alarm 4 and is made up of receiving coil 5 and piezoelectric ceramic piece 6, receiving coil 5 and piezoelectric ceramic piece 6 electricity connect, the electromagnetic wave that receiving coil 5 induced emission coil L sends forms electric current, the electric current of induction is by piezoelectric ceramic piece 6.
As a kind of embodiment, NAND gate one Y1 signal input part is connected with one end electricity of inductance with one end of resistance R and one end of electric capacity C, NAND gate one Y1 signal output part is connected with NAND gate two Y2 signal input part electricity with the other end of resistance R, and NAND gate two Y2 signal output part is connected with the other end electricity of inductance with the other end of electric capacity C.
As a kind of embodiment, receiving coil 5 and piezoelectric ceramic piece 6 with organic transparent plastic envelope at certificate bag right part.
As a kind of embodiment, above-mentioned 5V power supply 2 is chargeable lithium cell, inductive transmitter 3 is by organic plastics shell, and miniature key switch K is arranged on machine plastic casing, and above-mentioned NAND gate one Y1 and NAND gate two Y2, resistance R, electric capacity C, transmitting coil L are arranged in machine plastic casing.
Special instruction, as long as click miniature key switch K when certificate looked for by needs, the electromagnetic wave that receiving coil 5 induced emission coil L sends forms electric current, and the electric current of induction is by piezoelectric ceramic piece 6, piezoelectric ceramic piece 6 sounding alarm is a kind of certificate bag having induction generating and report to the police.
Claims (4)
1. an induction easily looks for certificate bag, it is characterized in that, comprise: certificate bag body, also comprise, 5V power supply, inductive transmitter, miniature key switch, induction receives alarm, inductive transmitter is by two NAND gates, resistance, the multivibrator that electric capacity is formed, above-mentioned two NAND gates are respectively NAND gate one and NAND gate two, one end of above-mentioned miniature key switch is electrically connected with 5V positive pole, above-mentioned two NAND gate power supply input pins are electrically connected with the other end of miniature key switch, above-mentioned two NAND gate power ground pin are connected with 5V negative electricity, above-mentioned multivibrator output connects transmitting coil, above-mentioned induction receives alarm and is made up of receiving coil and piezoelectric ceramic piece, receiving coil and piezoelectric ceramic piece electricity connect, the electromagnetic wave that above-mentioned receiving coil induced emission coil sends forms electric current, the electric current of induction passes through piezoelectric ceramic piece.
2. one induction according to claim 1 easily looks for certificate bag, it is characterized in that, above-mentioned NAND gate one signal input part is connected with one end electricity of inductance with one end of resistance and one end of electric capacity, NAND gate one signal output part is connected with NAND gate binary signal input electricity with the other end of resistance, and NAND gate binary signal output is connected with the other end electricity of inductance with the other end of electric capacity.
3. according to according to claim 1 or claim 2 one induction easily look for certificate bag, it is characterized in that, receiving coil and piezoelectric ceramic piece with organic transparent plastic envelope at certificate bag right part.
4. easily look for certificate bag according to claim 1 or claim 2 or one induction according to claim 3, it is characterized in that, above-mentioned 5V power supply is chargeable lithium cell, inductive transmitter is by organic plastics shell, above-mentioned miniature key switch is arranged on machine plastic casing, and above-mentioned NAND gate one and NAND gate two, resistance, electric capacity, transmitting coil are arranged in machine plastic casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630222.1A CN105559303A (en) | 2014-11-11 | 2014-11-11 | Induction easy-to-find card holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630222.1A CN105559303A (en) | 2014-11-11 | 2014-11-11 | Induction easy-to-find card holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105559303A true CN105559303A (en) | 2016-05-11 |
Family
ID=55870409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410630222.1A Pending CN105559303A (en) | 2014-11-11 | 2014-11-11 | Induction easy-to-find card holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105559303A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55130607A (en) * | 1979-04-01 | 1980-10-09 | Keiichi Akashi | Portable card case |
| CN2045212U (en) * | 1989-04-19 | 1989-10-04 | 张斌 | Anti-thief handbag with self-defence function |
| CN202135840U (en) * | 2011-07-13 | 2012-02-08 | 复旦大学附属中学 | Card bag convenient to find |
| CN202618690U (en) * | 2011-11-04 | 2012-12-26 | 南京化工职业技术学院 | Certificate protecting bag with reminding function |
| CN203056623U (en) * | 2012-12-11 | 2013-07-10 | 南京化工职业技术学院 | Cell phone charger prevented from being lost |
| CN204260030U (en) * | 2014-11-11 | 2015-04-15 | 南京化工职业技术学院 | A kind of induction easily looks for certificate bag |
-
2014
- 2014-11-11 CN CN201410630222.1A patent/CN105559303A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55130607A (en) * | 1979-04-01 | 1980-10-09 | Keiichi Akashi | Portable card case |
| CN2045212U (en) * | 1989-04-19 | 1989-10-04 | 张斌 | Anti-thief handbag with self-defence function |
| CN202135840U (en) * | 2011-07-13 | 2012-02-08 | 复旦大学附属中学 | Card bag convenient to find |
| CN202618690U (en) * | 2011-11-04 | 2012-12-26 | 南京化工职业技术学院 | Certificate protecting bag with reminding function |
| CN203056623U (en) * | 2012-12-11 | 2013-07-10 | 南京化工职业技术学院 | Cell phone charger prevented from being lost |
| CN204260030U (en) * | 2014-11-11 | 2015-04-15 | 南京化工职业技术学院 | A kind of induction easily looks for certificate bag |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160511 |
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| WD01 | Invention patent application deemed withdrawn after publication |