CN202472860U - Anti-loss reminding alarm device for accompanying children and articles - Google Patents
Anti-loss reminding alarm device for accompanying children and articles Download PDFInfo
- Publication number
- CN202472860U CN202472860U CN201220061457XU CN201220061457U CN202472860U CN 202472860 U CN202472860 U CN 202472860U CN 201220061457X U CN201220061457X U CN 201220061457XU CN 201220061457 U CN201220061457 U CN 201220061457U CN 202472860 U CN202472860 U CN 202472860U
- Authority
- CN
- China
- Prior art keywords
- pin
- capacitor
- links
- transistor
- wireless receiving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 53
- 230000000694 effects Effects 0.000 claims abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000003534 oscillatory effect Effects 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920004934 Dacron® Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 208000028173 post-traumatic stress disease Diseases 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses an anti-loss reminding alarm device for accompanying children and articles. The anti-loss reminding alarm device is composed of a wireless transmitter and a wireless receiving alarm. A wireless transmitter circuit of the device is composed of a low-frequency oscillator and a high-frequency oscillator, wherein the low-frequency oscillator is composed of resistors R1 and R2, capacitors C1 and C2 and a time-base integrated circuit IC1, and the high-frequency oscillator is composed of a variable resistor RP, an inductor L1, resistors R3 and R4, capacitors C3-C9, a transmitting antenna W1 and a transistor V1. A wireless receiving alarm circuit is composed of a wireless receiving processing circuit and an alarm circuit, wherein the wireless receiving processing circuit is composed of a wireless receiving integrated circuit IC2 and capacitors C10-C19, and the alarm circuit is composed of a sound effect integrated circuit IC3, a transistor V2, a resistor R5, a diode VD and a speaker BL. When the children wander away or the articles are lost, the wireless receiving alarm of the device immediately generates alarm sounds, so that the children can be prevented from wandering away and the articles can be prevented form being lost.
Description
Technical field
The utility model relates to a kind of electronic circuit, and a kind of child that is used to prevent to accompany wanders away and prevents the reminding alarm device of valuable goods loss.
Background technology
Wandering away of child of retinue brought great moral injury to relatives; Losing also of article of retinue caused unnecessary economic loss to people; Therefore, the reminding alarm device of a kind of can prevent to accompany child and article lost of design promptly becomes the purpose of the utility model.This anti-lost reminding alarm device has better action and effect to the losing of (like mobile phone, laptop computer, video camera, vital document, handbag, automobile key, parcel etc.), pet etc. of losing of the wandering away of the child that effectively prevents to accompany, valuables.
Summary of the invention
The utility model is intended to propose a kind ofly can prevent effectively to accompany that the child wanders away and the reminding alarm device of article lost.
This retinue child and article anti-loss lose reminding alarm device, and it is made up of wireless launcher and wireless receiving alarm two parts.Its wireless transmitter circuits is made up of LF oscillator and high frequency oscillator; LF oscillator is made up of resistor R 1, R2, capacitor C1, C2 and time-base integrated circuit IC1, and high frequency oscillator is made up of variohm RP, inductor L1, resistor R 3, R4, capacitor C3, C4, C5, C6, C7, C8, C9 and emitting antenna W1 and transistor V1.4.5V the positive pole of direct supply links to each other with the 4th pin, the 8th pin, resistance R 1, variable resistor RP, capacitor C 5, C6, C8 and the inductance L of IC1 simultaneously, the negative pole of 4.5V direct supply links to each other with the 1st pin, resistance R 3, R4, capacitor C 1, C2, C4, the C9 of IC1 simultaneously.The 2nd pin of IC1, the 6th pin link to each other with the other end of resistance R 2 and capacitor C 1 simultaneously; The 7th pin of IC1 links to each other with the other end of resistance R 1, R2 respectively, and the 3rd pin of IC1 links to each other with the other end of variable resistor RP, resistance R 3, capacitor C 4 and the base stage of transistor V1 respectively through capacitor C 3.The collector of transistor V1 links to each other with the other end of capacitor C 5, C6 and inductance L respectively simultaneously, and emitting antenna W1 links to each other with the collector of transistor V1 through capacitor C 7, and the emitter of transistor V1 links to each other with the other end of capacitor C 8, C9 and resistance R 4 respectively simultaneously.
This retinue child and article anti-loss lose reminding alarm device; The wireless receiving alarm circuit is made up of wireless receiving treatment circuit and warning circuit; The wireless receiving treatment circuit is made up of wireless receiving IC 2, capacitor C10～C19; Warning circuit is made up of sound effect integrated circuit IC3, transistor V2, resistor R 5, diode VD and loudspeaker BL; 4.5V the 1st pin of the 1st pin of the positive pole of direct supply and IC2, the 5th pin, IC3 and inductance L 2, capacitor C 12, C13, C14, C15, C16, C17, C18, C19 link to each other simultaneously, receiving antenna W2 links to each other with the 13rd pin of IC2 through capacitor C 10, and the 16th pin of IC2 is through the capacitor C 11 also ground connection that links to each other with the 14th pin of IC2; The 8th pin of IC2, the 11st pin, the 12nd pin, the 15th pin, the 17th pin, the 18th pin, the 4th pin are corresponding respectively to link to each other with the other end of capacitor C 12, C13, C14, C15, C16, C17, C18; The 6th pin of IC2 links to each other with the other end of capacitor C 19, inductance L 2 respectively simultaneously, and the 2nd pin of IC2 directly links to each other with the 2nd pin of IC3, and the 4th pin of IC3 links to each other with the base stage of transistor V2; The emitter of transistor V2 links to each other with ground; Loudspeaker BL is connected between the collector of positive pole and transistor V2 of 4.5V direct supply, and the 5th pin of IC3 links to each other with ground through diode VD, and resistance R 5 is connected between the 6th pin and the 7th pin of IC3.
This retinue child and article anti-loss lose reminding alarm device, and behind its wireless transmitter circuits LF oscillator oscillatory work, the oscillator signal of output 1kHz is modulated high frequency oscillator, the high-frequency signal after the modulation through antenna W1 to launching in the air.When the distance of wireless receiving alarm and wireless launcher was within 3 m, antenna W2 received the high-frequency modulation signal of W1 emission, delivers to IC2 again and deciphers demodulation process, makes the 2 pin output low levels of IC2, and IC3 can not trigger work, and BL is sounding not.When if the distance of wireless launcher and wireless receiving alarm surpasses 3 m; Then the wireless receiving alarm will can not receive the high-frequency modulation signal of W1 emission, and the 2 pin output high level of IC2 makes IC3 receive triggering work; The audio electric signal of its output drives BL and sends chimes of doom after V2 amplifies.
This retinue child and article anti-loss lose reminding alarm device in use; Can with wireless launcher place in child's pocket or be contained in the retinue article on; The wireless receiving alarm be placed on the child the guardian or the retinue article owner on one's body, when the child wanders away or accompany article lost, send reminding alarm sound immediately; The anti-thief who also can be used for article such as wallet reports to the police, and can the wireless receiving alarm be contained in the wallet, and wireless launcher is placed on one's body the owner, in case article such as wallet are lost, the antitheft article send chimes of doom immediately, are convenient to backtrack search.
The beneficial effect of the utility model is: when the child wanders away or sends reminding alarm sound immediately during article lost, can prevent effectively that the child wanders away or prevents valuable goods loss.
Description of drawings
Fig. 1 is the wireless launcher structure principle chart of the utility model;
Fig. 2 is the wireless receiving alarm structure principle chart of the utility model.
Embodiment
As shown in Figure 1, this retinue child and article anti-loss lose reminding alarm device, and it is made up of wireless launcher and wireless receiving alarm two parts.Its wireless transmitter circuits is made up of LF oscillator and high frequency oscillator; LF oscillator is made up of resistor R 1, R2, capacitor C 1, C2 and time-base integrated circuit IC1, and high frequency oscillator is made up of variohm RP, inductor L1, resistor R 3, R4, capacitor C3, C4, C5, C6, C7, C8, C9 and emitting antenna W1 and transistor V1.4.5V the positive pole of direct supply links to each other with the 4th pin, the 5th pin, resistance R 1, variable resistor RP, capacitor C 5, C6, C8 and the inductance L of IC1 simultaneously, the negative pole of 4.5V direct supply links to each other with the 1st pin, resistance R 3, R4, capacitor C 1, C2, C4, the C9 of IC1 simultaneously.The 2nd pin of IC1, the 6th pin link to each other with the other end of resistance R 2 and capacitor C 1 simultaneously; The 7th pin of IC1 links to each other with the other end of resistance R 1, R2 respectively, and the 3rd pin of IC1 links to each other with the other end of variable resistor RP, resistance R 3, capacitor C 4 and the base stage of transistor V1 respectively through capacitor C 3.The collector of transistor V1 links to each other with the other end of capacitor C 5, C6 and inductance L respectively simultaneously, and emitting antenna W1 links to each other with the collector of transistor V1 through capacitor C 7, and the emitter of transistor V1 links to each other with the other end of capacitor C 8, C9 and resistance R 4 respectively simultaneously.
As shown in Figure 2; The wireless receiving alarm circuit is made up of wireless receiving treatment circuit and warning circuit; The wireless receiving treatment circuit is made up of wireless receiving IC 2, capacitor C10～C19; Warning circuit is made up of sound effect integrated circuit IC3, transistor V2, resistor R 5, diode VD and loudspeaker BL; 4.5V the 1st pin of the 1st pin of the positive pole of direct supply and IC2, the 5th pin, IC3 and inductance L 2, capacitor C 12, C13, C14, C15, C16, C17, C18, C19 link to each other simultaneously, receiving antenna W2 links to each other with the 13rd pin of IC2 through capacitor C 10, and the 16th pin of IC2 is through the capacitor C 11 also ground connection that links to each other with the 14th pin of IC2; The 8th pin of IC2, the 11st pin, the 12nd pin, the 15th pin, the 17th pin, the 18th pin, the 4th pin are corresponding respectively to link to each other with the other end of capacitor C 12, C13, C14, C15, C16, C17, C18; The 6th pin of IC2 links to each other with the other end of capacitor C 19, inductance L 2 respectively simultaneously, and the 2nd pin of IC2 directly links to each other with the 2nd pin of IC3, and the 4th pin of IC3 links to each other with the base stage of transistor V2; The emitter of transistor V2 links to each other with ground; Loudspeaker BL is connected between the collector of positive pole and transistor V2 of 4.5V direct supply, and the 5th pin of IC3 links to each other with ground through diode VD, and resistance R 5 is connected between the 6th pin and the 7th pin of IC3.
This retinue child and article anti-loss lose reminding alarm device, and behind its wireless transmitter circuits LF oscillator oscillatory work, the oscillator signal of output 1kHz is modulated high frequency oscillator, the high-frequency signal after the modulation through antenna W1 to launching in the air.When the distance of wireless receiving alarm and wireless launcher was within 3 m, antenna W2 received the high-frequency modulation signal of W1 emission, delivers to IC2 again and deciphers demodulation process, makes the 2 pin output low levels of IC2, and IC3 can not trigger work, and BL is sounding not.When if the distance of wireless launcher and wireless receiving alarm surpasses 3 m; Then the wireless receiving alarm will can not receive the high-frequency modulation signal of W1 emission, and the 2 pin output high level of IC2 makes IC3 receive triggering work; The audio electric signal of its output drives BL and sends chimes of doom after V2 amplifies.
This retinue child and article anti-loss lose reminding alarm device in use; Can with wireless launcher place in child's pocket or be contained in the retinue article on; The wireless receiving alarm be placed on the child the guardian or the retinue article owner on one's body, when the child wanders away or accompany article lost, send reminding alarm sound immediately; Also can be used for the burglar alarm of article such as wallet, can the wireless receiving alarm be contained in the wallet, wireless launcher is placed on one's body the owner, in case article such as wallet are lost, the antitheft article send chimes of doom immediately, are convenient to backtrack search.
Lose in the reminding alarm device circuit this retinue child and article anti-loss, R1～R5 all selects the 1/4W metal film resistor for use.RP selects organic solid variohm for use.C1～C4, C15 and C18 select monolithic capacitor or dacron terylene condenser for use; C5, C7～C 14, C16 and C17 select high frequency ceramic capacitor or glass glaze condenser for use; C6 and C9 all select ceramic trimmer capacitor for use.VD selects 2CPl0 type silicon general-purpose diode or 1N4007 type silicon rectifier diode for use.V1 selects S9018 type silicon NPN high frequency transistor for use; V2 selects S8050 type silicon NPN transistor for use.IC1 selects NE555 type time-base integrated circuit for use; IC2 selects TDA7000 type wireless receiving integrated circuit for use; IC3 selects CW930 type alarm sound efficient integrated circuit for use.
Claims (2)
1. a retinue child and article anti-loss lose reminding alarm device; It is characterized in that it is made up of wireless launcher and wireless receiving alarm two parts; Wireless transmitter circuits is made up of LF oscillator and high frequency oscillator; LF oscillator is made up of resistor R 1, R2, capacitor C1, C2 and time-base integrated circuit IC1; High frequency oscillator is made up of variohm RP, inductor L1, resistor R 3, R4, capacitor C3, C4, C5, C6, C7, C8, C9 and emitting antenna W1 and transistor V1; 4.5V the positive pole of direct supply links to each other with the 4th pin, the 8th pin, resistance R 1, variable resistor RP, capacitor C 5, C6, C8 and the inductance L of IC1 simultaneously; 4.5V the negative pole of direct supply links to each other with the 1st pin, resistance R 3, R4, capacitor C 1, C2, C4, the C9 of IC1 simultaneously, the 2nd pin of IC1, the 6th pin link to each other with the other end of resistance R 2 and capacitor C 1 simultaneously, and the 7th pin of IC1 links to each other with the other end of resistance R 1, R2 respectively; The 3rd pin of IC1 links to each other with the other end of variable resistor RP, resistance R 3, capacitor C 4 and the base stage of transistor V1 respectively through capacitor C 3; The collector of transistor V1 links to each other with the other end of capacitor C 5, C6 and inductance L respectively simultaneously, and emitting antenna W1 links to each other with the collector of transistor V1 through capacitor C 7, and the emitter of transistor V1 links to each other with the other end of capacitor C 8, C9 and resistance R 4 respectively simultaneously.
2. retinue child as claimed in claim 1 and article anti-loss lose reminding alarm device; It is characterized in that it comprises that also the wireless receiving alarm circuit is made up of wireless receiving treatment circuit and warning circuit; The wireless receiving treatment circuit is made up of wireless receiving IC 2, capacitor C10～C19; Warning circuit is made up of sound effect integrated circuit IC3, transistor V2, resistor R 5, diode VD and loudspeaker BL; 4.5V the 1st pin of the 1st pin of the positive pole of direct supply and IC2, the 5th pin, IC3 and inductance L 2, capacitor C 12, C13, C14, C15, C16, C17, C18, C19 link to each other simultaneously; Receiving antenna W2 links to each other with the 13rd pin of IC2 through capacitor C 10; The 16th pin of IC2 links to each other with the 14th pin of IC2 and ground connection through capacitor C 11, and the 8th pin of IC2, the 11st pin, the 12nd pin, the 15th pin, the 17th pin, the 18th pin, the 4th pin are corresponding respectively to link to each other with the other end of capacitor C 12, C13, C14, C15, C16, C17, C18, and the 6th pin of IC2 links to each other with the other end of capacitor C 19, inductance L 2 respectively simultaneously; The 2nd pin of IC2 directly links to each other with the 2nd pin of IC3; The 4th pin of IC3 links to each other with the base stage of transistor V2, and the emitter of transistor V2 links to each other with ground, and loudspeaker BL is connected between the collector of positive pole and transistor V2 of 4.5V direct supply; The 5th pin of IC3 links to each other with ground through diode VD, and resistance R 5 is connected between the 6th pin and the 7th pin of IC3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220061457XU CN202472860U (en) | 2012-02-24 | 2012-02-24 | Anti-loss reminding alarm device for accompanying children and articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220061457XU CN202472860U (en) | 2012-02-24 | 2012-02-24 | Anti-loss reminding alarm device for accompanying children and articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202472860U true CN202472860U (en) | 2012-10-03 |
Family
ID=46921004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220061457XU Expired - Fee Related CN202472860U (en) | 2012-02-24 | 2012-02-24 | Anti-loss reminding alarm device for accompanying children and articles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202472860U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903195A (en) * | 2012-11-08 | 2013-01-30 | 成都江法科技有限公司 | Household safety alarm device |
| CN103177527A (en) * | 2012-12-29 | 2013-06-26 | 吕皓 | Warning device for preventing loss of old people and children by TDMF (dual-tone multi-frequency) signaling |
| CN104050775A (en) * | 2014-06-13 | 2014-09-17 | 米振宇 | Reminder preventing people from being lost |
-
2012
- 2012-02-24 CN CN201220061457XU patent/CN202472860U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903195A (en) * | 2012-11-08 | 2013-01-30 | 成都江法科技有限公司 | Household safety alarm device |
| CN103177527A (en) * | 2012-12-29 | 2013-06-26 | 吕皓 | Warning device for preventing loss of old people and children by TDMF (dual-tone multi-frequency) signaling |
| CN104050775A (en) * | 2014-06-13 | 2014-09-17 | 米振宇 | Reminder preventing people from being lost |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101017597A (en) | Near distance bidirectional reminding method | |
| CN202472860U (en) | Anti-loss reminding alarm device for accompanying children and articles | |
| CN201142116Y (en) | Anti-loss alarm device | |
| CN203632845U (en) | Bluetooth earphone easy to search | |
| CN202353560U (en) | Bluetooth technology based mobile phone item finding apparatus | |
| CN104123803A (en) | Anti-theft device for mobile electronic equipment | |
| CN203689637U (en) | Anti-theft and anti-loss device for portable objects | |
| CN201025554Y (en) | A near distance bidirectional prompt device | |
| CN202257873U (en) | Sound and light alarm for lost items | |
| CN104867284A (en) | Personal belonging anti-lost equipment and anti-lost method thereof | |
| CN205091892U (en) | Alarm is lost to article | |
| CN202795691U (en) | Anti-theft easy to find alarm | |
| CN202563629U (en) | Novel mobile phone burglar alarm | |
| CN2257392Y (en) | Separating alarm | |
| CN204029123U (en) | There is the wallet loss prevention device of Gravity accelerometer and anti-lost wallet | |
| CN206946664U (en) | A bluetooth anti-lost system | |
| CN203250361U (en) | Sound collecting alarm module | |
| CN102637334B (en) | Multifunctional alarm | |
| CN201233637Y (en) | A proximity alarm terminal | |
| CN201757927U (en) | Small hanger chain for preventing personal effects from being lost | |
| CN205541329U (en) | Intelligence prevents losing umbrella stick | |
| CN202205312U (en) | Bluetooth anti-theft device with belt | |
| CN201946095U (en) | Anti-loss wireless alarm | |
| CN104223713A (en) | Anti-theft device for handbag | |
| CN202425811U (en) | Wireless intelligent purse anti-theft instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20130224 |