CN107942819A - A kind of portable radiationless children's anti-loss device - Google Patents
A kind of portable radiationless children's anti-loss device Download PDFInfo
- Publication number
- CN107942819A CN107942819A CN201711372530.9A CN201711372530A CN107942819A CN 107942819 A CN107942819 A CN 107942819A CN 201711372530 A CN201711372530 A CN 201711372530A CN 107942819 A CN107942819 A CN 107942819A
- Authority
- CN
- China
- Prior art keywords
- terminal
- capacitance
- integrated circuit
- resistance
- connection
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a kind of portable radiationless children's anti-loss device, including host and slave;The host is communicatively coupled with the slave by wireless data transmission;The host includes power management module, controller MCU, wireless communication module and alarm module;The power management module is connected with the controller MCU, the alarm module respectively;The controller MCU is connected with the wireless communication module, the alarm module respectively;The slave includes power management module, controller MCU, wireless communication module and indicating module;The power management module is connected with the controller MCU, the indicating module respectively;The controller MCU is connected with the wireless communication module, the indicating module respectively;The present invention has low-power consumption, radiationless, easy to carry;Can be reminded sound-light alarm in time when the distance between host and slave exceed alarming value, effectively balance the safety of children outside with it is free the problem of.
Description
Technical field
The present invention relates to technical field of electronic communication, more particularly to a kind of portable radiationless children's anti-loss device.
Background technology
The raising realized recently as people to children's safety, it is popular all for the attention rate of children outside safety and day
Increase.When children be easy in the how mixed and disorderly place of supermarket, recreation ground et al. because parent carelessness and unsighted cause
Child loses.
Therefore, the prior art is defective, it is necessary to improve.
The content of the invention
The present invention provides a kind of portable radiationless children's anti-loss device, solution because the carelessness of parent and unsighted making
Problem is lost into children.
To solve the above problems, technical solution provided by the invention is as follows:
A kind of portable radiationless children's anti-loss device, including host and slave;The host is passed with the slave by wireless data
It is defeated to be communicatively coupled;The host includes power management module, controller MCU, wireless communication module and alarm module;It is described
Power management module is connected with the controller MCU, the alarm module respectively;The controller MCU respectively with it is described wireless
Communication module, alarm module connection;The slave includes power management module, controller MCU, wireless communication module and refers to
Show module;The power management module is connected with the controller MCU, the indicating module respectively;The controller MCU difference
It is connected with the wireless communication module, the indicating module.
Preferable technical solution, the power management module include power module and charge management module;The power supply mould
Block includes battery GB, switch SW, integrated circuit U1, resistance R1, resistance R3, capacitance C1, capacitance C2 and capacitance C4;The battery GB
Cathode be connected with the first end of the switch SW;The second end of the switch SW first end with the resistance R1, institute respectively
State the 1st terminal, the connection of the 3rd terminal of integrated circuit U1;The second end of the resistance R1 respectively the first end with the resistance R3,
The first end connection of the capacitance C4;The 5th terminal of the integrated circuit U1 first end with the capacitance C1, the electricity respectively
Hold the first end connection of C2;It is the anode of the battery GB, the second end of the resistance R3, the second end of the capacitance C4, described
The 2nd terminal of integrated circuit U1, the second end of the capacitance C1, the second end of the capacitance C2 are grounded;The Charge Management
Module includes USB interface J1, integrated circuit U2, resistance R2, resistance R5, capacitance C3 and Light-emitting diode LED 2;The USB interface
The 1st terminal of J1 the 4th terminal with the integrated circuit U2, the first end of the capacitance C3, the light emitting diode respectively
The cathode connection of LED2;The 1st terminal of the integrated circuit U2 passes through the negative of the resistance R5 and the Light-emitting diode LED 2
Pole connects;The 5th terminal of the integrated circuit U2 is connected with the first end of the resistance R2;The 4th end of the USB interface J1
Son, the 5th terminal, the 2nd terminal of the integrated circuit U2, the second end of the resistance R2, the second end of the capacitance C3 connect
Ground.
Preferable technical solution, the controller MCU include integrated circuit U3 and capacitance C9;The 5th of the controller MCU
The first end with the capacitance C1, the first end of the capacitance C9 are connected terminal respectively;The 4th terminal of the controller MCU, institute
The second end for stating capacitance C9 is grounded;The 7th terminal of the controller MCU is connected with the second end of the resistance R1;The control
Device MCU processed is R7F0C802 microcontrollers.
Preferable technical solution, the wireless communication module include integrated circuit U4, integrated circuit U5, crystal oscillator Y,
Capacitance C5, capacitance C6, capacitance C7, capacitance C8, capacitance C10, capacitance C11, capacitance C12, capacitance C13, capacitance C14, resistance R8, electricity
Feel L1, inductance L2 and inductance L3;The first end of the capacitance C1 first end with the capacitance C12, the capacitance C13 respectively
First end, the 7th terminal of the integrated circuit U5, the 15th terminal, the connection of the 18th terminal;The 19th terminal of the integrated circuit U5
It is connected with the first end of the capacitance C14;The 16th terminal of the integrated circuit U5 is connected with the first end of the resistance R8;Institute
Stating the 9th terminal of integrated circuit U5, the first end with the capacitance C10, the 1st terminal of the crystal oscillator Y are connected respectively;
The first end with the capacitance C11, the 3rd terminal of the crystal oscillator Y connect the 10th terminal of the integrated circuit U5 respectively
Connect;The second end with the inductance L2, the first end of the inductance L3 are connected the 12nd terminal of the integrated circuit U5 respectively;Institute
Stating the 13rd terminal of integrated circuit U5, the first end with the inductance L2, the first end of the inductance L1 are connected respectively;The collection
Into circuit U 5 the 11st terminal respectively the second end with the inductance L3, the first end of the capacitance C7, the capacitance C8
One end connects;The second end of the inductance L1 is connected with the first end of the capacitance C5;The second end of the capacitance C5 respectively with
The first end of the capacitance C6, the integrated circuit U4 connections;The second of the second end of the capacitance C12, the capacitance C13
End, the second end of the capacitance C14, the second end of the capacitance C6, the second end of the capacitance C7, the second of the capacitance C8
End, the second end of the capacitance C10, the second end of the capacitance C11, the 2nd terminal, the resistance of the crystal oscillator Y
The second end of R8, the 8th terminal, the 14th terminal, the 17th terminal, the 20th terminal of the integrated circuit U5 are grounded;It is described integrated
1st terminal of circuit U 5 is connected with the 6th terminal of the integrated circuit U3;The 2nd terminal of the integrated circuit U5 and the collection
The 8th terminal into circuit U 3 connects;The 3rd terminal of the integrated circuit U5 is connected with the 9th terminal of the integrated circuit U3;Institute
The 4th terminal for stating integrated circuit U5 is connected with the 10th terminal of the integrated circuit U3;The 5th terminal of the integrated circuit U5 with
The 3rd terminal connection of the integrated circuit U3;The 6th terminal of the integrated circuit U5 and the 2nd terminal of the integrated circuit U3
Connection;The integrated circuit U4 is ceramic antenna AN9520;The model R7F0C80212ESP of the integrated circuit U5.
Preferable technical solution, the indicating module include resistance R9 and Light-emitting diode LED 3;The of the capacitance C1
One end is connected with the cathode of the Light-emitting diode LED 3;The anode of the Light-emitting diode LED 3 and the second of the resistance R9
End connection;The first end of the resistance R9 is connected with the 1st terminal of the integrated circuit U3.
Preferable technical solution, the alarm module include diode VD, triode VT, resistance R10 and buzzer BP;Institute
Stating the cathode of power supply GB, the cathode with the buzzer BP, the anode of the diode VD are connected respectively;The triode VT's
The anode with the buzzer BP, the cathode of the diode VD are connected collector respectively;The emitter of the triode VT connects
Ground;The base stage of the triode VT is connected by resistance R10 with the 1st terminal of the integrated circuit U3.
Preferable technical solution, the battery GB are single-unit lithium ion battery.
Preferable technical solution, the model MIC5205 of the integrated circuit U1;The model of the integrated circuit U2
QX4054。
It is that using the above scheme, the present invention uses wireless communication module, using complete relative to the beneficial effect of the prior art
The ISM band that ball opens, has low-power consumption, radiationless, easy to carry;When the distance between host and slave exceed alarming value
Can remind sound-light alarm in time, effectively balance the safety of children outside with it is free the problem of.
Brief description of the drawings
, below will be to embodiment or the prior art for clearer explanation embodiment or technical solution of the prior art
The required attached drawing used is briefly described in description, it is clear that, drawings in the following description are only some realities invented
Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of portable radiationless children's anti-loss device structure principle chart of the present invention;
Fig. 2 is a kind of portable radiationless children's anti-loss device power module circuit schematic of the present invention;
Fig. 3 is a kind of portable radiationless children's anti-loss device charge management module circuit diagram of the present invention;
Fig. 4 is a kind of portable radiationless children's anti-loss device controller MCU interface circuit schematic diagram of the present invention;
Fig. 5 is a kind of portable radiationless children's anti-loss device wireless communication module circuit diagram of the present invention;
Fig. 6 is a kind of portable radiationless children's anti-loss device indicating module circuit diagram of the present invention;
Fig. 7 is a kind of portable radiationless children's anti-loss device alarm module circuitry schematic diagram of the present invention.
Embodiment
For the ease of understanding the present invention, below in conjunction with the accompanying drawings and specific embodiment, the present invention will be described in more detail.
The preferred embodiment of the present invention is given in attached drawing.But the present invention can realize in many different forms, and it is unlimited
In this specification described embodiment.On the contrary, the purpose for providing these embodiments makes to the disclosure
Understand more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term used in this specification " fixation ", " being integrally formed ",
For illustrative purposes only, in figure, the similar unit of structure is to identical label for "left", "right" and similar statement
Sign.
Unless otherwise defined, technical and scientific term all used in this specification is led with belonging to the technology of the present invention
The normally understood implication of technical staff in domain is identical.Used term is simply in the description of the invention in this specification
The purpose of description specific embodiment, is not intended to the limitation present invention.
As shown in figs. 1-7, one embodiment of the present of invention is:
A kind of portable radiationless children's anti-loss device, including host and slave;The host is passed with the slave by wireless data
It is defeated to be communicatively coupled;The host includes power management module, controller MCU, wireless communication module and alarm module;It is described
Power management module is connected with the controller MCU, the alarm module respectively;The controller MCU respectively with it is described wireless
Communication module, alarm module connection;The slave includes power management module, controller MCU, wireless communication module and refers to
Show module;The power management module is connected with the controller MCU, the indicating module respectively;The controller MCU difference
It is connected with the wireless communication module, the indicating module.
Further, the power management module includes power module and charge management module;The power module includes electricity
Pond GB, switch SW, integrated circuit U1, resistance R1, resistance R3, capacitance C1, capacitance C2 and capacitance C4;The cathode of the battery GB with
The first end connection of the switch SW;The second end of the switch SW first end with the resistance R1, the integrated electricity respectively
The 1st terminal of road U1, the connection of the 3rd terminal;The second end of the resistance R1 first end with the resistance R3, the capacitance respectively
The first end connection of C4;The 5th terminal of the integrated circuit U1 first end with the capacitance C1, the of the capacitance C2 respectively
One end connects;The anode of the battery GB, the second end of the resistance R3, the second end of the capacitance C4, the integrated circuit
The 2nd terminal of U1, the second end of the capacitance C1, the second end of the capacitance C2 are grounded;The charge management module includes
USB interface J1, integrated circuit U2, resistance R2, resistance R5, capacitance C3 and Light-emitting diode LED 2;The 1st of the USB interface J1
Terminal the 4th terminal with the integrated circuit U2, the first end of the capacitance C3, the cathode of the Light-emitting diode LED 2 respectively
Connection;The 1st terminal of the integrated circuit U2 is connected by the resistance R5 with the anode of the Light-emitting diode LED 2;It is described
The 5th terminal of integrated circuit U2 is connected with the first end of the resistance R2;The 4th terminal of the USB interface J1, the 5th terminal, institute
The 2nd terminal of integrated circuit U2, the second end of the resistance R2, the second end of the capacitance C3 is stated to be grounded.
Further, the controller MCU includes integrated circuit U3 and capacitance C9;The 5th terminal difference of the controller MCU
First end, the first end of the capacitance C9 with the capacitance C1 are connected;The 4th terminal, the capacitance C9 of the controller MCU
Second end be grounded;The 7th terminal of the controller MCU is connected with the second end of the resistance R1;The controller MCU is
R7F0C802 microcontrollers.
Further, the wireless communication module include integrated circuit U4, integrated circuit U5, crystal oscillator Y, capacitance C5,
Capacitance C6, capacitance C7, capacitance C8, capacitance C10, capacitance C11, capacitance C12, capacitance C13, capacitance C14, resistance R8, inductance L1, electricity
Feel L2 and inductance L3;The first end of the capacitance C1 respectively the first end with the capacitance C12, the first end of the capacitance C13,
The 7th terminal of the integrated circuit U5, the 15th terminal, the connection of the 18th terminal;The 19th terminal of the integrated circuit U5 with it is described
The first end connection of capacitance C14;The 16th terminal of the integrated circuit U5 is connected with the first end of the resistance R8;It is described integrated
The first end with the capacitance C10, the 1st terminal of the crystal oscillator Y are connected 9th terminal of circuit U 5 respectively;The collection
Into circuit U 5 the 10th terminal respectively the first end with the capacitance C11, the crystal oscillator Y the 3rd terminal be connected;It is described
The second end with the inductance L2, the first end of the inductance L3 are connected the 12nd terminal of integrated circuit U5 respectively;It is described integrated
The first end with the inductance L2, the first end of the inductance L1 are connected 13rd terminal of circuit U 5 respectively;The integrated circuit
The second end with the inductance L3, the first end of the capacitance C7, the first end of the capacitance C8 connect the 11st terminal of U5 respectively
Connect;The second end of the inductance L1 is connected with the first end of the capacitance C5;The second end of the capacitance C5 respectively with the electricity
Hold the first end of C6, the integrated circuit U4 connections;It is the second end of the capacitance C12, the second end of the capacitance C13, described
It is the second end of capacitance C14, the second end of the capacitance C6, the second end of the capacitance C7, the second end of the capacitance C8, described
The second end of capacitance C10, the second end of the capacitance C11, the 2nd terminal of the crystal oscillator Y, the second of the resistance R8
End, the 8th terminal, the 14th terminal, the 17th terminal, the 20th terminal of the integrated circuit U5 are grounded;The integrated circuit U5's
1st terminal is connected with the 6th terminal of the integrated circuit U3;The 2nd terminal of the integrated circuit U5 and the integrated circuit U3
The 8th terminal connection;The 3rd terminal of the integrated circuit U5 is connected with the 9th terminal of the integrated circuit U3;The integrated electricity
The 4th terminal of road U5 is connected with the 10th terminal of the integrated circuit U3;The 5th terminal of the integrated circuit U5 is integrated with described
The 3rd terminal connection of circuit U 3;The 6th terminal of the integrated circuit U5 is connected with the 2nd terminal of the integrated circuit U3;It is described
Integrated circuit U4 is ceramic antenna AN9520;The model R7F0C80212ESP of the integrated circuit U5.
Further, the indicating module includes resistance R9 and Light-emitting diode LED 3;The first end of the capacitance C1 and institute
State the cathode connection of Light-emitting diode LED 3;The anode of the Light-emitting diode LED 3 is connected with the second end of the resistance R9;
The first end of the resistance R9 is connected with the 1st terminal of the integrated circuit U3.
Further, the alarm module includes diode VD, triode VT, resistance R10 and buzzer BP;The power supply GB
Cathode the cathode with the buzzer BP, the anode of the diode VD are connected respectively;The collector of the triode VT point
Anode, the cathode of the diode VD not with the buzzer BP are connected;The emitter ground connection of the triode VT;Described three
The base stage of pole pipe VT is connected by resistance R10 with the 1st terminal of the integrated circuit U3.
Further, the battery GB is single-unit lithium ion battery.
Further, the model MIC5205 of the integrated circuit U1;The model QX4054 of the integrated circuit U2.
The present invention operation principle be:
Host and slave switch are opened, after initialization is completed.Slave(Children wear)2.4G is started with frequency of once per second
Wireless communication module launches specific data bag data, while LED indicator lights are also prompted with identical once per second frequency scintillation
Send successfully;If host(Adult wears)Receive slave transmission resolve packet it is correct after do not do any actuation of an alarm,
When major-minor machine distance exceedes alarm distance preset value, host sends the buzzer warning sound of five times per second " serge " acoustic frequency;When
When major-minor machine distance is in alarm distance preset value, host buzzer warning sound automatically terminates.
Host and slave are powered by single lithium battery, and have low-voltage warning function;Major-minor machine has easily
Micro-USB charging interfaces design.
It should be noted that above-mentioned each technical characteristic continues to be mutually combined, the various embodiments not being enumerated above are formed,
It is accordingly to be regarded as the scope of description of the invention record;Also, for those of ordinary skills, it can add according to the above description
To improve or convert, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (8)
- A kind of 1. portable radiationless children's anti-loss device, it is characterised in that:Including host and slave;The host leads to the slave Wireless data transmission is crossed to be communicatively coupled;The host includes power management module, controller MCU, wireless communication module and alarm module;The power management mould Block is connected with the controller MCU, the alarm module respectively;The controller MCU respectively with the wireless communication module, institute State alarm module connection;The slave includes power management module, controller MCU, wireless communication module and indicating module;The power management mould Block is connected with the controller MCU, the indicating module respectively;The controller MCU respectively with the wireless communication module, institute State indicating module connection.
- 2. the portable radiationless children's anti-loss device of one kind according to claim 1, it is characterised in that:The power management module Including power module and charge management module;The power module includes battery GB, switch SW, integrated circuit U1, resistance R1, resistance R3, capacitance C1, capacitance C2 and electricity Hold C4;The cathode of the battery GB is connected with the first end of the switch SW;The second end of the switch SW respectively with the electricity Hinder the first end of R1, the 1st terminal of the integrated circuit U1, the connection of the 3rd terminal;The second end of the resistance R1 respectively with it is described The first end of resistance R3, the connection of the first end of the capacitance C4;The 5th terminal of the integrated circuit U1 respectively with the capacitance C1 First end, the first end of the capacitance C2 connection;The anode of the battery GB, the second end of the resistance R3, the capacitance The second end of C4, the 2nd terminal of the integrated circuit U1, the second end of the capacitance C1, the second end of the capacitance C2 connect Ground;The charge management module includes USB interface J1, integrated circuit U2, resistance R2, resistance R5, capacitance C3 and light emitting diode LED2;The 1st terminal of the USB interface J1 respectively the 4th terminal with the integrated circuit U2, the capacitance C3 first end, The cathode connection of the Light-emitting diode LED 2;The 1st terminal of the integrated circuit U2 is shone by the resistance R5 with described The anode connection of diode (LED) 2;The 5th terminal of the integrated circuit U2 is connected with the first end of the resistance R2;The USB The 4th terminal, the 5th terminal, the 2nd terminal of the integrated circuit U2, the second end of the resistance R2, the capacitance C3 of interface J1 Second end be grounded.
- 3. the portable radiationless children's anti-loss device of one kind according to claim 2, it is characterised in that:The controller MCU bags Include integrated circuit U3 and capacitance C9;The 5th terminal of the controller MCU first end with the capacitance C1, the capacitance respectively The first end connection of C9;The 4th terminal of the controller MCU, the second end of the capacitance C9 are grounded;The controller MCU The 7th terminal be connected with the second end of the resistance R1;The controller MCU is R7F0C802 microcontrollers.
- 4. the portable radiationless children's anti-loss device of one kind according to claim 3, it is characterised in that:The wireless communication module Including integrated circuit U4, integrated circuit U5, crystal oscillator Y, capacitance C5, capacitance C6, capacitance C7, capacitance C8, capacitance C10, electricity Hold C11, capacitance C12, capacitance C13, capacitance C14, resistance R8, inductance L1, inductance L2 and inductance L3;The first end of the capacitance C1 First end with the capacitance C12, the first end of the capacitance C13, the 7th terminal of the integrated circuit U5, the 15th end respectively Son, the connection of the 18th terminal;The 19th terminal of the integrated circuit U5 is connected with the first end of the capacitance C14;The integrated electricity The 16th terminal of road U5 is connected with the first end of the resistance R8;The 9th terminal of the integrated circuit U5 respectively with the capacitance The 1st terminal connection of the first end of C10, the crystal oscillator Y;The 10th terminal of the integrated circuit U5 respectively with the electricity Hold the 3rd terminal connection of the first end, the crystal oscillator Y of C11;The 12nd terminal of the integrated circuit U5 respectively with it is described The second end of inductance L2, the connection of the first end of the inductance L3;The 13rd terminal of the integrated circuit U5 respectively with the inductance The first end of L2, the connection of the first end of the inductance L1;The 11st terminal of the integrated circuit U5 is respectively with the inductance L3's Second end, the first end of the capacitance C7, the connection of the first end of the capacitance C8;The second end of the inductance L1 and the capacitance The first end connection of C5;The first end with the capacitance C6, the integrated circuit U4 are connected the second end of the capacitance C5 respectively; The second end of the capacitance C12, the second end of the capacitance C13, the second end of the capacitance C14, the second of the capacitance C6 End, the of the second end of the capacitance C7, the second end of the capacitance C8, the second end of the capacitance C10, the capacitance C11 Two ends, the 2nd terminal of the crystal oscillator Y, the second end of the resistance R8, the 8th terminal of the integrated circuit U5, the 14th Terminal, the 17th terminal, the 20th terminal are grounded;The 1st terminal of the integrated circuit U5 and the 6th terminal of the integrated circuit U3 Connection;The 2nd terminal of the integrated circuit U5 is connected with the 8th terminal of the integrated circuit U3;The 3rd of the integrated circuit U5 Terminal is connected with the 9th terminal of the integrated circuit U3;The of the 4th terminal of the integrated circuit U5 and the integrated circuit U3 10 terminals connect;The 5th terminal of the integrated circuit U5 is connected with the 3rd terminal of the integrated circuit U3;The integrated circuit The 6th terminal of U5 is connected with the 2nd terminal of the integrated circuit U3;The integrated circuit U4 is ceramic antenna AN9520;It is described The model R7F0C80212ESP of integrated circuit U5.
- 5. the portable radiationless children's anti-loss device of one kind according to claim 3, it is characterised in that:The indicating module includes Resistance R9 and Light-emitting diode LED 3;The first end of the capacitance C1 is connected with the cathode of the Light-emitting diode LED 3;It is described The anode of Light-emitting diode LED 3 is connected with the second end of the resistance R9;The first end of the resistance R9 and the integrated circuit The 1st terminal connection of U3.
- 6. the portable radiationless children's anti-loss device of one kind according to claim 3, it is characterised in that:The alarm module includes Diode VD, triode VT, resistance R10 and buzzer BP;The cathode of the power supply GB respectively the cathode with the buzzer BP, The anode connection of the diode VD;The collector of the triode VT anode with the buzzer BP, two pole respectively The cathode connection of pipe VD;The emitter ground connection of the triode VT;The base stage of the triode VT passes through resistance R10 and the collection The 1st terminal into circuit U 3 connects.
- 7. according to a kind of portable radiationless children's anti-loss device of claim 1-6 any one of them, it is characterised in that:The battery GB is single-unit lithium ion battery.
- 8. the portable radiationless children's anti-loss device of one kind according to claim 2, it is characterised in that:The integrated circuit U1's Model MIC5205;The model QX4054 of the integrated circuit U2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711372530.9A CN107942819A (en) | 2017-12-19 | 2017-12-19 | A kind of portable radiationless children's anti-loss device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711372530.9A CN107942819A (en) | 2017-12-19 | 2017-12-19 | A kind of portable radiationless children's anti-loss device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107942819A true CN107942819A (en) | 2018-04-20 |
Family
ID=61942348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711372530.9A Withdrawn CN107942819A (en) | 2017-12-19 | 2017-12-19 | A kind of portable radiationless children's anti-loss device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107942819A (en) |
-
2017
- 2017-12-19 CN CN201711372530.9A patent/CN107942819A/en not_active Withdrawn
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107942819A (en) | A kind of portable radiationless children's anti-loss device | |
CN207799390U (en) | A kind of portable radiationless children's anti-loss device | |
CN105691887B (en) | A kind of automatic rescue alarm device based on Internet of Things | |
CN204314438U (en) | A kind of battery electric quantity detects and storing unit | |
CN203949124U (en) | A kind of intelligent LED desk lamp | |
CN204463334U (en) | A kind of suitcase intelligent anti-theft device | |
CN206136251U (en) | Mini stereo set of multi -functional intelligence | |
CN105513470B (en) | A kind of multifunctional single-chip learning board | |
CN208460586U (en) | A kind of bluetooth floor push | |
CN210109591U (en) | Be applied to intelligent sensor on sand bag | |
CN203982554U (en) | A kind of wireless anti-loss device | |
CN206004983U (en) | Christmas lamp controller | |
CN204205638U (en) | Portable power source | |
CN201650787U (en) | Series low-voltage DC electric fan | |
CN208046872U (en) | Sound equipment with communication | |
CN206671797U (en) | A kind of wireless type patient and medicine match cognization device | |
CN203554040U (en) | A miniature wireless charger | |
CN207055981U (en) | A kind of environmental protection and the assembled bone hand with illumination functions | |
CN204596074U (en) | Mutual parent-offspring's knapsack | |
CN202502604U (en) | Article reminder | |
CN204649355U (en) | A kind of portable CO gas leakage alarm | |
CN212411512U (en) | Furniture assembly indicating label based on Internet of things | |
CN216749252U (en) | Intelligent electronic signboard for remote management | |
CN207802478U (en) | A kind of outdoor portable solar recharging flashlight control circuit | |
CN208014152U (en) | A kind of Bluetooth communication intelligent control Pen for turning page |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180420 |