CN207799879U - A kind of anti-lost card alarm set - Google Patents
A kind of anti-lost card alarm set Download PDFInfo
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- CN207799879U CN207799879U CN201820136649.XU CN201820136649U CN207799879U CN 207799879 U CN207799879 U CN 207799879U CN 201820136649 U CN201820136649 U CN 201820136649U CN 207799879 U CN207799879 U CN 207799879U
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- resistance
- inductor
- card
- chip
- transistor
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Abstract
The utility model discloses a kind of anti-lost card alarm set, it is applied to the place of plug-in card, anti-lost card alarm set includes at least two-way inductor, controller and warning device, at least inductor is set to the use Ka Chu for needing plug-in card all the way, and the first signal in place is exported when chip card is located at at card, at least inductor is set at the channel of user's disengaging all the way, and the second signal in place is exported when user passes through, at least two-way inductor is separately connected controller, the output end of controller connects warning device, driving warning device alarm when controller receives first signal and the second signal in place in place simultaneously.The utility model gears to actual circumstances life requirement, realizes anti-lost prompting function；The advantage of small volume allows the present apparatus to carry out installation and function realization in the case where not being adjusted to existing facility.
Description
Technical field
The utility model is related to electronic device field more particularly to a kind of anti-lost card alarm sets.
Background technology
Significant component of classmate indicates to lose card in school, and loses in the classmate of card, has and greatly loses original
Because being that campus card is lost caused by forgetting card taking after bathroom is swiped the card.
Although often occurring forgetting card with card occasion various at present so that the case where losing, application electric technology prevents from forgetting card
Device it is less, and be chiefly used in high-end hotel etc., involve great expense.Similar device has stronger limitation, as volume is larger, it is difficult to
Being widely used in all kinds of needs prevents from forgetting the place of card, cannot be well adapted for the rings such as high temperature, the high air humidity of particular place
Border.
Invention content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of anti-lost card alarm set.
The technical solution adopted in the utility model is：
A kind of anti-lost card alarm set, is applied to the place of plug-in card, and anti-lost card alarm set includes at least two road feels
Device, controller and warning device are answered, at least inductor is set to the Ka Chu that uses for needing plug-in card all the way, and when chip card is located at at card
Export the first signal in place, at least inductor is set at the channel of user's disengaging all the way, and exports when user passes through the
Two signals in place, at least two-way inductor are separately connected controller, and the output end of controller connects warning device, and controller is simultaneously
Driving warning device alarm when receiving first signal and the second signal in place in place.
Further, the controller is ON-OFF control circuit, and ON-OFF control circuit includes first switch circuit and second
Switching circuit,
First switch circuit includes resistance R1, resistance R2, transistor Q3, diode D3 and the first relay, is set to card
One end of the output end connection resistance R2 of the inductor at place, the other end of resistance R2 are separately connected one end and the transistor of resistance R1
The base stage of Q1, the other end ground connection of resistance R1, the emitter ground connection of transistor Q3, the collector connection diode D3 of transistor Q3
Anode, the cathode of diode D3 is separately connected one end of 5V power supplys and the first relay coil, the first relay coil it is another
One end is grounded,
Second switch circuit includes resistance R3, resistance R4, transistor Q4, diode D4 and the first relay, is set to card
One end of the output end connection resistance R3 of inductor at the channel of people's disengaging, the other end of resistance R3 are separately connected resistance R4's
The base stage of one end and transistor Q4, the other end ground connection of resistance R4, the emitter ground connection of transistor Q4, the collector of transistor Q4
Connect the anode of diode D4, the cathode of diode D4 is separately connected one end of 5V power supplys and the second relay coil, first after
The other end of electric apparatus coil is grounded,
Warning device passes sequentially through the normal open switch connection of the normal open switch and the second relay of concatenated first relay
5V power supplys.
Further, it is 2k Ω that the value of the resistance R1 and resistance R4, which is the value of 5k Ω, resistance R2 and resistance R3, brilliant
Body pipe Q3 and transistor Q4 selects 2N5551, diode D3 and diode D4 to select 1N1206C.
Further, the controller is microcontroller, at least input pin for being respectively connected to microcontroller of two-way inductor,
The output pin of microcontroller connects warning device.
Further, warning device includes Audio Controller and loud speaker, and the output end of controller connects Audio Controller,
The output end of Audio Controller connects loud speaker.
Further, Audio Controller is the audio chip of multivibrator or corresponding loud speaker based on 555 chips.
Further, the multivibrator based on 555 chips includes 555 chip U1, capacitance C1, capacitance C2, resistance R6, electricity
R7 is hindered, the power end of 555 chip U1 connects 5V power supplys, and the output end of 555 chip U1 connects loud speaker, and 5V power supplys are separately connected electricity
Hinder 4 feet of one end and 555 chip U1 of R6, the other end of resistance R6 be separately connected resistance R7 one end and 555 chip U1 7
Foot, the other end of resistance R7 connect 6 feet of 555 chip U1, and 2 feet of 555 chip U1 are grounded by capacitance C1, and the 5 of 555 chip U1
Foot is grounded by capacitance C2, the 1 foot ground connection of 555 chip U1.
Further,.Further, the value of resistance R6 is 2k Ω, and the value of resistance R7 is 5.1k Ω, and capacitance C1's takes
Value is 0.1uF, the value of capacitance C2 is 0.01uF.
Further, the inductor is infrared inductor.
The utility model uses above technical scheme, and infrared or pressure inductor is being installed to identification card with Ka Chu
State in place（First via inductor）, infrared or pressure inductor is installed on doorway to identify the state in place of user（The
Two road inductors）, the connection type of two-way inductor is series connection, when two-way inductor is in state in place, warning device simultaneously
Alarm is sent out to play the role of reminding user（User reaches doorway, and blocks and be in state in place, it is believed that user forgets card taking）.
The utility model is applied in material and electric power application is innovated, and humanized design facilitates structure of modification and use
Family uses, and gear to actual circumstances life requirement, realizes anti-lost prompting function；The advantage of small volume allows the present apparatus not to original
Facility carries out installation and is realized with function in the case of being adjusted.
Description of the drawings
The utility model is described in further details below in conjunction with the drawings and specific embodiments；
Fig. 1 is a kind of principle schematic of anti-lost card alarm set of the utility model；
Fig. 2 is a kind of ON-OFF control circuit schematic diagram of anti-lost card alarm set of the utility model；
Fig. 3 is a kind of circuit structure of the multivibrator based on 555 chips of anti-lost card alarm set of the utility model
Schematic diagram；.
Specific implementation mode
As shown in one of Fig. 1-3, the utility model discloses a kind of anti-lost card alarm sets, are applied to the field of plug-in card
Institute, anti-lost card alarm set include at least two-way inductor, controller and warning device, and at least inductor is set to and needs plug-in card all the way
Use Ka Chu, and the first signal in place is exported when chip card is located at at card, at least inductor is set to user's disengaging all the way
Channel at, and the second signal in place is exported when user passes through, at least two-way inductor is separately connected controller, controller
Output end connect warning device, controller drives warning device when receiving first signal and the second signal in place in place simultaneously
Alarm.
Further, as shown in Fig. 2, the controller is ON-OFF control circuit, ON-OFF control circuit includes first switch
Circuit and second switch circuit,
First switch circuit includes resistance R1, resistance R2, transistor Q3, diode D3 and the first relay, is set to card
One end of the output end connection resistance R2 of the inductor at place, the other end of resistance R2 are separately connected one end and the transistor of resistance R1
The base stage of Q1, the other end ground connection of resistance R1, the emitter ground connection of transistor Q3, the collector connection diode D3 of transistor Q3
Anode, the cathode of diode D3 is separately connected one end of 5V power supplys and the first relay coil, the first relay coil it is another
One end is grounded,
Second switch circuit includes resistance R3, resistance R4, transistor Q4, diode D4 and the first relay, is set to card
One end of the output end connection resistance R3 of inductor at the channel of people's disengaging, the other end of resistance R3 are separately connected resistance R4's
The base stage of one end and transistor Q4, the other end ground connection of resistance R4, the emitter ground connection of transistor Q4, the collector of transistor Q4
Connect the anode of diode D4, the cathode of diode D4 is separately connected one end of 5V power supplys and the second relay coil, first after
The other end of electric apparatus coil is grounded, and warning device passes sequentially through the normal open switch and the second relay of concatenated first relay
Normal open switch connects 5V power supplys.
Specifically, induction zone is made of two parts inductor, and the variation of optical signal can be presented as to inductor output end electricity
Flat height variation, to realize the control to alarm signal by certain logic.Because inductor output ability is limited, nothing
Method directly drives the action of relay, it is necessary to improve load capacity by amplifying circuit, electric signal amplification region passes through transistor pair
The amplification of base signal, is exported after original signal is amplified by collector, and the break-make of relay can be directly driven, and is realized
Reliable control.
Further, it is 2k Ω that the value of the resistance R1 and resistance R4, which is the value of 5k Ω, resistance R2 and resistance R3, brilliant
Body pipe Q3 and transistor Q4 selects 2N5551, diode D3 and diode D4 to select 1N1206C.
Further, if being related to complex control, the controller is microcontroller, microcontroller control mode can be used, at least
The output pin of the input pin for being respectively connected to microcontroller of two-way inductor, microcontroller connects warning device.
Further, warning device includes Audio Controller and loud speaker, and the output end of controller connects Audio Controller,
The output end of Audio Controller connects loud speaker.
Further, Audio Controller is the audio chip of multivibrator or corresponding loud speaker based on 555 chips.
Further, as shown in figure 3, the multivibrator based on 555 chips includes 555 chip U1, capacitance C1, capacitance
The output end of the power end connection 5V power supplys of C2, resistance R6, resistance R7,555 chip U1,555 chip U1 connects loud speaker, 5V electricity
Source is separately connected 4 feet of one end and 555 chip U1 of resistance R6, the other end of resistance R6 be separately connected resistance R7 one end and
7 feet of 555 chip U1, the other end of resistance R7 connect 6 feet of 555 chip U1, and 2 feet of 555 chip U1 are grounded by capacitance C1,
5 feet of 555 chip U1 are grounded by capacitance C2, the 1 foot ground connection of 555 chip U1.Further, the value of resistance R6 is 2k Ω,
The value of resistance R7 is 5.1k Ω, and the value of capacitance C1 is 0.1uF, the value of capacitance C2 is 0.01uF：
Specifically, the utility model utilizes the oscillation mode of 555 chip U1, passes through the output end OUT outputs of 555 chip U1
The AC signal of certain frequency makes loud speaker work under the alternating current of certain frequency, to send out warning reminding, is intended to change
The output tone of loud speaker can be realized by adjusting the value of C1 and R7 to change the frequency of output end AC signal.
Further, the inductor is infrared inductor, selects infrared inductor reasonable price.
The utility model it is specific use process is as follows：
By taking inductor is two and controller is ON-OFF control circuit as an example, inductor 1 is placed in front at card（Card
Slot）, inductor 2 is placed on the outside of door lock.
When useless card person pass through or in use, due to Ka Chu without card, that is, unobstructed, at the normal open switch of the first relay
It is in the open state in the normal open switch of opening state, the second relay, but due to the normal open switch of the first relay and second
The normal open switch of relay is serially connected, so warning device is not alarmed；
When passing through access way with card person, due to Ka Chu without card, that is, unobstructed, at the normal open switch of the first relay
In opening state, due to exporting the second signal in place by access way with card person, the normal open switch of the second relay, which is in, to be closed
Conjunction state, but since the normal open switch of the normal open switch of the first relay and the second relay is serially connected, so warning device
It does not alarm；
When with card person after access way, and positioned at at card when, due to Ka Chu be blocked output first in place letter
Number, the normal open switch of the first relay is in closed state；But due to having already been through access way with card person, do not continue defeated
Go out the second signal in place, the normal open switch of the second relay is in the open state；Due to the normal open switch of the first relay and
The normal open switch of two relays is serially connected, so warning device is not alarmed；
When with card person do not take away card just leave and by access way when, due to Ka Chu be blocked output first in place letter
Number, the normal open switch of the first relay is in closed state；And due to being believed in place by access way output second with card person
Number, the normal open switch of the second relay is in closed state, and the normal open switch of the first relay and the second relay is normal at this time
It switchs while being in closed state, warning device is connected and alarmed, and is reminded and is returned to card taking with card person.
The utility model uses above technical scheme, and infrared or pressure inductor is being installed to identification card with Ka Chu
State in place（First via inductor）, infrared or pressure inductor is installed on doorway to identify the state in place of user（The
Two road inductors）, the connection type of two-way inductor is series connection, when two-way inductor is in state in place, warning device simultaneously
Alarm is sent out to play the role of reminding user（User reaches doorway, and blocks and be in state in place, it is believed that user forgets card taking）.
The utility model is applied in material and electric power application is innovated, and humanized design facilitates structure of modification and use
Family uses, and gear to actual circumstances life requirement, realizes anti-lost prompting function；The advantage of small volume allows the present apparatus not to original
Facility carries out installation and is realized with function in the case of being adjusted.The utility model is engineered can be widely applied to it is all similar
Need to prevent from forgetting the place of card（Such as hotel）, it might even be possible to expand to non-card class article；Being further improved can also realize and can determine
Inhibition and generation is reminded, and wireless penetration etc. is realized in inductor communication.
Claims (9)
1. a kind of anti-lost card alarm set, is applied to the place of plug-in card, it is characterised in that：Anti-lost card alarm set includes extremely
Lack two-way inductor, controller and warning device, at least inductor is set to the use Ka Chu for needing plug-in card all the way, and is located in chip card
The first signal in place is exported when at card, at least inductor is set at the channel of user's disengaging all the way, and is passed through in user
When export the second signal in place, at least two-way inductor is separately connected controller, and the output end of controller connects warning device, control
Driving warning device alarm when device processed receives first signal and the second signal in place in place simultaneously.
2. a kind of anti-lost card alarm set according to claim 1, it is characterised in that：The controller is switch control electricity
Road, ON-OFF control circuit include first switch circuit and second switch circuit,
First switch circuit includes resistance R1, resistance R2, transistor Q3, diode D3 and the first relay, is set to Ka Chu's
One end of the output end connection resistance R2 of inductor, the other end of resistance R2 are separately connected one end and the transistor Q1 of resistance R1
Base stage, the other end ground connection of resistance R1, the emitter ground connection of transistor Q3, the collector connection diode D3 of transistor Q3 is just
Pole, the cathode of diode D3 are separately connected one end of 5V power supplys and the first relay coil, the other end of the first relay coil
Ground connection,
Second switch circuit includes resistance R3, resistance R4, transistor Q4, diode D4 and the first relay, be set to user into
One end of the output end connection resistance R3 of the inductor at channel gone out, the other end of resistance R3 are separately connected one end of resistance R4
It is grounded with the other end of the base stage of transistor Q4, resistance R4, the emitter ground connection of transistor Q4, the collector connection of transistor Q4
The anode of diode D4, the cathode of diode D4 are separately connected one end of 5V power supplys and the second relay coil, the first relay
The other end of coil is grounded,
Warning device passes sequentially through the normal open switch of concatenated first relay and the normal open switch connection 5V electricity of the second relay
Source.
3. a kind of anti-lost card alarm set according to claim 2, it is characterised in that：The resistance R1's and resistance R4 takes
Value be that the value of 5k Ω, resistance R2 and resistance R3 are that 2k Ω, transistor Q3 and transistor Q4 select 2N5551, diode D3 with
Diode D4 selects 1N1206C.
4. a kind of anti-lost card alarm set according to claim 1, it is characterised in that：The controller is microcontroller, until
The output pin of the input pin for being respectively connected to microcontroller of few two-way inductor, microcontroller connects warning device.
5. a kind of anti-lost card alarm set according to claim 1, it is characterised in that：Warning device includes Audio Controller
And loud speaker, the output end of controller connect Audio Controller, the output end of Audio Controller connects loud speaker.
6. a kind of anti-lost card alarm set according to claim 1, it is characterised in that：Audio Controller is based on 555 cores
The audio chip of the multivibrator of piece or corresponding loud speaker.
7. a kind of anti-lost card alarm set according to claim 6, it is characterised in that：Multi-harmonic-oscillations based on 555 chips
Device includes the power end connection 5V power supplys of 555 chip U1, capacitance C1, capacitance C2, resistance R6, resistance R7,555 chip U1,555 cores
The output end of piece U1 connects loud speaker, and 5V power supplys are separately connected 4 feet of one end and 555 chip U1 of resistance R6, and resistance R6's is another
One end is separately connected 7 feet of one end and 555 chip U1 of resistance R7, and the other end of resistance R7 connects 6 feet of 555 chip U1, and 555
2 feet of chip U1 are grounded by capacitance C1, and 5 feet of 555 chip U1 are grounded by capacitance C2, the 1 foot ground connection of 555 chip U1.
8. a kind of anti-lost card alarm set according to claim 7, it is characterised in that：The value of resistance R6 is 2k Ω, electricity
The value for hindering R7 is 5.1k Ω, and the value of capacitance C1 is 0.1uF, the value of capacitance C2 is 0.01uF.
9. a kind of anti-lost card alarm set according to claim 1, it is characterised in that：The inductor is infrared induction
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136649.XU CN207799879U (en) | 2018-01-26 | 2018-01-26 | A kind of anti-lost card alarm set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136649.XU CN207799879U (en) | 2018-01-26 | 2018-01-26 | A kind of anti-lost card alarm set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207799879U true CN207799879U (en) | 2018-08-31 |
Family
ID=63270796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820136649.XU Expired - Fee Related CN207799879U (en) | 2018-01-26 | 2018-01-26 | A kind of anti-lost card alarm set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207799879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110264682A (en) * | 2019-05-24 | 2019-09-20 | 深圳龙图腾创新设计有限公司 | One kind is anti-to forget alarm system and its intelligent door |
| CN115050143A (en) * | 2022-06-08 | 2022-09-13 | 广东电网有限责任公司 | Device and system for preventing switch operating handle from being lost and switch cabinet |
-
2018
- 2018-01-26 CN CN201820136649.XU patent/CN207799879U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110264682A (en) * | 2019-05-24 | 2019-09-20 | 深圳龙图腾创新设计有限公司 | One kind is anti-to forget alarm system and its intelligent door |
| CN115050143A (en) * | 2022-06-08 | 2022-09-13 | 广东电网有限责任公司 | Device and system for preventing switch operating handle from being lost and switch cabinet |
| CN115050143B (en) * | 2022-06-08 | 2024-02-13 | 广东电网有限责任公司 | Switch operation handle anti-lost system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180831 Termination date: 20210126 |