CN207345566U - A kind of child safety seat electronic warning system - Google Patents
A kind of child safety seat electronic warning system Download PDFInfo
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- CN207345566U CN207345566U CN201721306053.1U CN201721306053U CN207345566U CN 207345566 U CN207345566 U CN 207345566U CN 201721306053 U CN201721306053 U CN 201721306053U CN 207345566 U CN207345566 U CN 207345566U
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- safety seat
- main controller
- child safety
- resistance
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Abstract
The utility model discloses a kind of child safety seat electronic warning system, which includes the base switch being located on the base of safety seat, and the main controller IC1 being connected with base switch, and base separating mechanism is additionally provided with base；Main controller IC1 control signals are connected with the warning circuit of alarming sound signal prompt chair body installment state and to warn the display circuit of optical signal prompting chair body installment state, and main controller IC1 is connected with the unlatching circuit of supply line's conducting of the supply line for making display circuit after chair body is press-fit into place and warning circuit；Base is equipped with the power supply provided for system needed for electric power.The utility model can be when the chair body of child safety seat be installed on the seat of child safety seat correctly, the installation situation of user's child safety seat is prompted by way of warning acoustical signal and warning optical signal, so as to prevent child safety seat from being used under incorrect installation.
Description
Technical field
A kind of child safety seat for automobiles is the utility model is related to, is particularly used to diagnose whether child safety seat pacifies
A kind of alarm system of position is attached to, specifically a kind of child safety seat electronic warning system.
Background technology
Automobile children safety chair is also referred to as child restrainnt system CRS (Child Restraint System), it is a kind of
Aim at all ages and classes (or weight) children design, device in automobile, that children riding security can be effectively improved.
Definition of the European directive ECE R44/04 to child safety seat at present be：It can be fixed on motor vehicles, by
The children's safety guard system of the compositions such as safety belt assembly or flexible part, adjusting mechanism, annex with buckle.Can with it is attached
Feeder apparatus such as car bed, infant carrier, complementary seat or collision protection thing are formed by combining.In car collision or
In the case of slowing down suddenly, slow down and the impact force of children and the body of limiting child are moved to reduce the injury to them, really
Protect the safety by bus of child.
Child safety seat of the prior art, is made quite ripe on safety protection structure, still, due to
Current child safety seat is general lack of a kind of instruction correctly installed, therefore seat usually also needs during installation
User is wanted according to the experience of oneself to judge whether the seat is correctly mounted with.This brings big inconvenience to user, once
Seat is not installed correctly, and when user cannot have found in time, then very big security risk can be left, does not have protection not only
The effect of children, even can increase the injury that children are subjected to sometimes.
The content of the invention
Technical problem to be solved in the utility model be in view of the above-mentioned state of the art, and provide it is simple for structure,
Design is reasonable, can be detected and sent a kind of child safety seat electronic warning that alarm proposes automatically to seat installment state
System.
Technical solution is used by the utility model solves above-mentioned technical problem：
A kind of child safety seat electronic warning system, the alarm system include being arranged on the base of safety seat being used for
The base switch whether the chair body of electric signal feedback security seat is correctly installed in place on base, and switch electricity with the base
Signal is connected for by the main controller IC1 of received signal output control signal after internal arithmetic is handled, being additionally provided with base
Chair body can be hooked to lock jail and the lock jail signal is fed back to the base separating mechanism of main controller IC1；Main controller IC1 control signals
It is connected with the warning circuit of alarming sound signal prompt chair body installment state and to warn optical signal to prompt chair body installment state
Display circuit, and main controller IC1 be connected with make after chair body is press-fit into place display circuit supply line and alarm electricity
The unlatching circuit of supply line's conducting on road；Base is equipped with the power supply provided for system needed for electric power.
To optimize above-mentioned technical proposal, the measure taken further includes：
Above-mentioned main controller IC1 is the encapsulation SOP-8 MCU control chips with eight pins, the of main controller IC1
One foot is the feeder ear that is connected with positive pole, and first foot capacitance C1 also through being arranged in parallel and storage capacitor EC1 with
Ground terminal is connected；The octal of the main controller IC1 is the ground terminal being connected with power cathode.
Above-mentioned warning circuit is made of the current-limiting resistance R3, triode Q1 and buzzer BUZ1 of connection；Described
The 5th foot of the first end connection main controller IC1 of current-limiting resistance R3, the base of the second end connecting triode Q1 of current-limiting resistance R3
Pole, the second end of the collector connection buzzer BUZ1 of the triode Q1, the transmitting collection connection ground terminal of triode Q1；
The first end connection positive pole of buzzer BUZ1.
Above-mentioned display circuit includes red LED display circuit and green LED display circuit；The red LED is shown
Resistance R1 and red luminous tube the LED1 composition of Routing lines connection；The first end connection positive pole of the resistance R1, should
The second end of resistance R1 connects the anode of red luminous tube LED1, and the cathode of the red luminous tube LED1 connects the second of main controller IC1
Foot；The green LED display circuit is made of the resistance R2 and green luminous tube LED2 of connection；The of the resistance R2
One end connects positive pole, and the second end of resistance R2 connects the anode of green luminous tube LED2, the cathode of the green luminous tube LED2
Connect the 3rd foot of main controller IC1.
Above-mentioned unlatching electricity routing capacitance C2, resistance R5 and resistance R4 compositions；After the capacitance C2 and resistance R5 parallel connections
First end connection main controller IC1 the 7th foot, capacitance C2 connects ground terminal with the second end after resistance R5 parallel connections；Described
The 7th foot of the first end connection main controller IC1 of resistance R4, the second end connection positive pole of resistance R4.
Above-mentioned base switch include switch housing and in the switch housing can after chair body is press-fit into place by
The first microswitch S1 open in usual of chair body compressing closure, the first contact portion in two contacts of the first microswitch S1 is extremely
Base separating mechanism, the 4th foot of the second contact portion main controller IC1 in two contacts of first microswitch S1.
Above-mentioned base separating mechanism is by manual separation spanner, interlocking bar group, latch hook and the second microswitch S2 open in usual
Composition；Manual separation spanner hooks lock jail by connected interlocking bar group band moveable lock hook when moving or loosens chair body, with chair
Equipped with the switch tentacle for forcing the second microswitch S2 closures when hooking lock jail by latch hook by extruding；Second microswitch S2 has
There are three contacts, the first contact portion ground terminal in three contacts of the second microswitch S2, second microswitch S2's
The 6th foot of the 3rd contact portion main controller IC1 in three contacts；First in two contacts of first microswitch S1 touches
Point is connected to the second contact in tri- contacts of the second microswitch of base separating mechanism S2；The first of second microswitch S2 touches
3rd contact of point and the second microswitch S2 is normally open.
Above-mentioned alarm system is powered using 3 volts of DC power supplies.
Compared with prior art, the utility model is provided with electronic warning control system on child safety seat, this is
System, which is included on the base of child safety seat, is provided with base switch and base separating mechanism and main controller IC1；Main controller
IC1 is the MCU control chips of encapsulation SOP-8, and main controller IC1 is connected with display circuit, opens circuit and warning circuit.This practicality
New Energy is not when the chair body of child safety seat is installed on the seat of child safety seat correctly, by warning acoustical signal
The installation situation of user's child safety seat is prompted with the mode of warning optical signal, user is greatly reduced and judges safety seat
The difficulty whether correctly installed, so as to prevent child safety seat from being used under incorrect installation.
Brief description of the drawings
Fig. 1 is the electrical schematic diagram of the utility model alarm system；
Fig. 2 is the assembling structure schematic diagram of the utility model；
Fig. 3 is the structure diagram of the utility model base；
Fig. 4 is that the base of the utility model switchs the schematic view of the mounting position on base.
Embodiment
The embodiment of the utility model is described in further detail below in conjunction with attached drawing.
Fig. 1 to Fig. 2 is the structure diagram of the utility model embodiment.
Reference numeral therein is：Control board K, transparent warning window M, base 1, chair body 2, base switch 3, divide manually
From spanner 41, interlocking bar group 42, latch hook 43, power pack 5.
As shown in Figure 1 to Figure 2, the utility model discloses a kind of child safety seat electronic warning system, i.e. children to pacify
Full seat electronic warning control system, the alarm control system of the utility model mainly by base switch 3, base separating mechanism,
Main controller IC1, warning circuit, display circuit and unlatching circuit composition；Base switch 3 is arranged on the base 1 of child safety seat
On, the switch mounting groove for mounting seat switch 3 is machined with base 1.When the chair body 2 of child safety seat is installed to base
When on 1, the information electric signal whether the chair body 2 of child safety seat can correctly be installed in place by base switch 3 on base 1 is anti-
Feed main controller IC1, and main controller IC1 switchs 3 electric signals with base and is connected, and main controller IC1 can be by received electric signal through itself
Output control signal after internal arithmetic processing, can trigger after main controller IC1 receives the electric signal that chair body 2 is installed in place open it is electric
Road works, so that the circuit turn-on of warning circuit and display circuit also enters working status.Base separating mechanism is arranged on bottom
In seat 1, base separating mechanism can manually operate chair body 2 hooking lock jail on the seat, together after chair body 2 is installed in place
When base separating mechanism also by the lock jail, signal feeds back to main controller IC1 and carries out internal arithmetic processing, and by the control after processing
Signal is sent to display circuit and warning circuit.Display circuit and warning circuit are connected with main controller IC1, display circuit with
The mode of warning optical signal prompts the installment state information of chair body 2, and warning circuit prompts chair body 2 to pacify in a manner of warning acoustical signal
Dress state.The effect for opening circuit is to make circuit turn-on after chair body is press-fit into place.The utility model be additionally provided with base for
Alarm system provides the power supply needed for electric power, and power supply is fixed in the power pack 5 that base is formed with.
As shown in Figure 3 and Figure 4, the main controller IC1 of the utility model, warning circuit, display circuit and unlatching circuit integrate
On a control board K.Control board K is installed on the front portion of base 1, and base 1, which is equipped with, to be used to observe warning optical signal
Transparent warning window M.
In order to ensure the safe handling of child safety seat, the utility model is mounted with electronics report in child safety seat
Alert system, electronic warning system can be correctly installed on the seat of child safety seat in the chair body of child safety seat
When, the installation situation of user's child safety seat is prompted by way of warning acoustical signal and warning optical signal, is greatly reduced
User judges the difficulty whether safety seat has correctly been installed, so as to prevent child safety seat in correct installation
It is lower to be used, child safety seat is really played the role of security protection, it is ensured that the safety by bus of child.
In embodiment, as shown in Figure 1, the main controller IC1 of the utility model is the encapsulation SOP-8 MCU with eight pins
Control chip, the first foot of main controller IC1 are the feeder ear being connected with positive pole, and the alarm system of the utility model uses
Be the power supply of 3 volts of DC power supplies.The first foot of main controller IC1 at the same time the capacitance C1 also through being arranged in parallel and storage capacitor EC1 with
Ground terminal is connected；The octal of main controller IC1 is the ground terminal being connected with power cathode.
In embodiment, warning circuit is made of the current-limiting resistance R3, triode Q1 and buzzer BUZ1 of connection；Current limliting
The 5th foot of the first end connection main controller IC1 of resistance R3, the base stage of the second end connecting triode Q1 of current-limiting resistance R3, institute
The second end of the collector connection buzzer BUZ1 of the triode Q1 stated, the transmitting collection connection ground terminal of triode Q1；It is described
The first end connection positive pole of buzzer BUZ1.
In embodiment, the display circuit of the utility model includes red LED display circuit and green LED display circuit；It is red
Color LED display circuit is made of the resistance R1 and red luminous tube LED1 of connection；The first end connection positive pole of resistance R1,
The second end of resistance R1 connects the anode of red luminous tube LED1, and the of the cathode connection main controller IC1 of the red luminous tube LED1
Two feet；Green LED display circuit is made of the resistance R2 and green luminous tube LED2 of connection；The first end connection electricity of resistance R2
Source cathode, the second end of resistance R2 connect the anode of green luminous tube LED2, the cathode connection main controller of the green luminous tube LED2
The 3rd foot of IC1.
In embodiment, electric routing capacitance C2, resistance R5 and resistance R4 compositions are opened；After capacitance C2 and resistance R5 parallel connections
The 7th foot of one end connection main controller IC1, capacitance C2 connect ground terminal with the second end after resistance R5 parallel connections；The resistance
The 7th foot of the first end connection main controller IC1 of R4, the second end connection positive pole of resistance R4.
In embodiment, base switch 3 includes switch housing and can be press-fit into place in the switch housing in chair body 2
Afterwards by the first microswitch S1 open in usual of the compressing closure of chair body 2, the first contact in two contacts of the first microswitch S1
Base separating mechanism is connected to, the 4th of the second contact portion main controller IC1 in two contacts of first microswitch S1 the
Foot.
In embodiment, base separating mechanism is by manual separation spanner 41, interlocking bar group 42, latch hook 43 and open in usual second micro-
Dynamic switch S2 compositions；Manual separation spanner 41 can pass through connected 42 band of interlocking bar group when moving, i.e., when manually operating
Moveable lock hook 43 hooks lock jail or loosens chair body 2, and chair body 2 is equipped with when hooking lock jail by latch hook 43 and forces the second fine motion by extruding
Switch the switch tentacle of S2 closures；Second microswitch S2 has three contacts, in three contacts of the second microswitch S2
First contact portion ground terminal, the 6th of the 3rd contact portion main controller IC1 in three contacts of second microswitch S2 the
Foot；The first contact portion in two contacts of first microswitch S1 is touched for tri- to the second microswitch of base separating mechanism S2
The second contact in point.The first contact of second microswitch S2 and the 3rd contact of the second microswitch S2 are normally open.
The first contact of second microswitch S2 and the second contact of the second microswitch S2 are normally off.Chair body 2 is by latch hook 43
When hooking lock jail the first contact of the second microswitch S2 can be forced to be turned on the 3rd contact closure of the second microswitch S2, and
Forming circuit.
The alarm principle of this alarm system is：
The base 1 of child safety seat when in use, is first fixed on automotive seat by child safety seat, then again will
Chair body 2 is installed on base 1, and after chair body 2 is installed in place, chair body 2 just suppresses base switch 3, forces base switch 3
First microswitch S1 is closed, and main controller IC1 receives after the signal that chair body 2 is installed in place that output control signal gives display electricity respectively
Road and warning circuit；The red luminous tube LED1 of red LED display circuit lights alarm, while warning circuit in display circuit at this time
Buzzer BUZ1 send the alarm of very brief " drop drop, drop drop, drop drop ... ", which has been installed to
Position, but chair body 2 is not yet hooked lock jail, it is necessary to pull manual separation spanner 4 by the latch hook on base, latch hook is locked chair body 2
Fastening jail；After chair body 2 is reinforced, chair body 2 promotes the second microswitch S2 actions, and red luminous tube LED1 goes out at this time, warning circuit
Buzzer BUZ1 send the sound length of " drop " and ring, prompt chair body 2 to install, while red luminous tube LED1 goes out, green hair
Light pipe LED2 flickers are closed after lighting delay 3 seconds, prompt chair body 2 to install fix in position.Conversely, when opening manual separation spanner
4, the second microswitch S2 reset, and the buzzer BUZ1 of warning circuit sends very brief alarm, and red luminous tube LED1 lights report
It is alert, or at this time, re-closing manual separation spanner 4, or chair body 2 is removed from base 1 completely, make chair body 2 and base 1
It is kept completely separate, such buzzer BUZ1 can just stop warning acoustic alarm, and display circuit can just stop warning light alarm.
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (8)
1. a kind of child safety seat electronic warning system, it is characterized in that：The alarm system includes being arranged on safety seat
Base (1) on be used for electric signal feedback security seat chair body (2) whether the base being correctly installed in place on base (1) is opened
Close (3), and be connected with base switch (3) electric signal for output control to be believed after internal arithmetic is handled by received signal
Number main controller IC1, lock jail can be hooked chair body (2) and the lock jail signal is fed back to master by being additionally provided with the base (1)
Control the base separating mechanism of device IC1；The main controller IC1 control signals are connected with to be installed with alarming sound signal prompt chair body
The warning circuit of state and to warn the display circuit of optical signal prompting chair body installment state, and main controller IC1 connections
There is the unlatching circuit of the supply line for making display circuit after chair body is press-fit into place and the conducting of the supply line of warning circuit；It is described
Base be equipped with power supply needed for electric power be provided for system.
2. a kind of child safety seat electronic warning system according to claim 1, it is characterized in that：The main controller
IC1 is the encapsulation SOP-8 MCU control chips with eight pins, and the first foot of main controller IC1 is to be connected with positive pole
Feeder ear, and capacitance C1 and storage capacitor EC1 of first foot also through being arranged in parallel are connected with ground terminal；The master control
The octal of device IC1 is the ground terminal being connected with power cathode.
3. a kind of child safety seat electronic warning system according to claim 2, it is characterized in that：The warning circuit
It is made of the current-limiting resistance R3, triode Q1 and buzzer BUZ1 of connection；The first end connection of the current-limiting resistance R3
The 5th foot of main controller IC1, the base stage of the second end connecting triode Q1 of current-limiting resistance R3, the current collection of the triode Q1
The second end of pole connection buzzer BUZ1, the transmitting collection connection ground terminal of triode Q1；The first end of the buzzer BUZ1
Connect positive pole.
4. a kind of child safety seat electronic warning system according to claim 3, it is characterized in that：The display circuit
Including red LED display circuit and green LED display circuit；The red LED display circuit by connection resistance R1
Formed with red luminous tube LED1；The first end connection positive pole of the resistance R1, the second end of resistance R1 connect red hair
The anode of light pipe LED1, the crus secunda of the cathode connection main controller IC1 of the red luminous tube LED1；The green LED display electricity
Resistance R2 and green luminous tube the LED2 composition of route lines connection；The first end connection positive pole of the resistance R2, the electricity
The second end for hindering R2 connects the anode of green luminous tube LED2, the 3rd foot of the cathode connection main controller IC1 of the green luminous tube LED2.
5. a kind of child safety seat electronic warning system according to claim 4, it is characterized in that：The unlatching circuit
It is made of capacitance C2, resistance R5 and resistance R4；The capacitance C2 connects main controller IC1's with the first end after resistance R5 parallel connections
7th foot, capacitance C2 connect ground terminal with the second end after resistance R5 parallel connections；The first end connection master control of the resistance R4
The 7th foot of device IC1, the second end connection positive pole of resistance R4.
6. a kind of child safety seat electronic warning system according to claim 5, it is characterized in that：The base switch
(3) by chair body (2) compressing closure after including switch housing and being press-fit into place in the switch housing in chair body (2)
First microswitch S1 open in usual, the first contact portion to the base in two contacts of the first microswitch S1 separate
Mechanism, the 4th foot of the second contact portion main controller IC1 in two contacts of first microswitch S1.
7. a kind of child safety seat electronic warning system according to claim 5, it is characterized in that：The base separation
Mechanism is made of manual separation spanner (41), interlocking bar group (42), latch hook (43) and the second microswitch S2 open in usual；Described
Manual separation spanner (41) can hook lock jail by connected interlocking bar group (42) band moveable lock hook (43) when moving or loosen chair
Body (2), the chair body (2) are equipped with when hooking lock jail by latch hook (43) and force what the second microswitch S2 was closed by extruding
Switch tentacle；Second microswitch S2 has three contacts, the first contact portion in three contacts of the second microswitch S2
Ground terminal, the 6th foot of the 3rd contact portion main controller IC1 in three contacts of second microswitch S2；First fine motion is opened
Second closed in the first contact portion to tri- contacts of the second microswitch of base separating mechanism S2 in two contacts of S1 touches
Point；The first contact of second microswitch S2 and the 3rd contact of the second microswitch S2 are normally open.
8. a kind of child safety seat electronic warning system according to claim 7, it is characterized in that：The alarm system
Powered using 3 volts of DC power supplies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721306053.1U CN207345566U (en) | 2017-10-11 | 2017-10-11 | A kind of child safety seat electronic warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721306053.1U CN207345566U (en) | 2017-10-11 | 2017-10-11 | A kind of child safety seat electronic warning system |
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| Publication Number | Publication Date |
|---|---|
| CN207345566U true CN207345566U (en) | 2018-05-11 |
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ID=62358538
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721306053.1U Active CN207345566U (en) | 2017-10-11 | 2017-10-11 | A kind of child safety seat electronic warning system |
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| CN (1) | CN207345566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599904A (en) * | 2017-10-11 | 2018-01-19 | 宁波惠尔顿婴童安全科技股份有限公司 | A kind of child safety seat electronic warning system |
-
2017
- 2017-10-11 CN CN201721306053.1U patent/CN207345566U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599904A (en) * | 2017-10-11 | 2018-01-19 | 宁波惠尔顿婴童安全科技股份有限公司 | A kind of child safety seat electronic warning system |
| CN107599904B (en) * | 2017-10-11 | 2024-05-28 | 宁波惠尔顿婴童安全科技股份有限公司 | Electronic alarm system of child safety seat |
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