School bus children alarming device
Technical field
The present invention relates to a kind of safety device, particularly a kind of school bus children alarming device.
Background technology
At present; the school bus of kindergarten is during children are picked; the small children for often having kindergarten is retained in in-car; due to sealed in-car high temperature and anoxic; occur in that and leave the tragedy that children in the car are suffocated, the need for a kind of school bus children alarming device for preventing children to be retained in in-car has turned into protection children.
The content of the invention
The present invention seeks to overcome the deficiencies in the prior art there is provided a kind of school bus children alarming device, prevent children from leaving in the car.
The technical solution used in the present invention is:School bus children alarming device includes controller, driver seat, children's seat and safe closing device;Driver seat includes the first mounting, the first cushion, the first button switch and the first backrest, first cushion is actively tied in the first guide groove of the first mounting, first button switch is installed between the first bottom plate of the first cushion and the first bottom land of the first guide groove, the first base of first button switch is fixedly connected with the first bottom land, the first button and the first contacts baseplate of first button switch, first button switch is normally closed switch, when driver is sitting in the first cushion, the first button switch disjunction;Children's seat includes the second mounting, the second cushion, the second button switch and the second backrest, second cushion is actively tied in the second guide groove of the second mounting, second button switch is installed between the second bottom plate of the second cushion and the second bottom land of the second guide groove, the second base of second button switch is fixedly connected with the second bottom land, the second button and the second contacts baseplate of second button switch, second button switch is normal open switch, when children are sitting in the second cushion, the second button switch closure;Safe closing device is made up of electric element, electric element includes electric pushrod or electromagnet, the support of electric element is fixedly connected with door frame, the unit head of electric element towards car door, if children in the car when, electric element is powered, unit head stretches out, car door is blocked, prevents car door from closing, for preventing children to be held in in-car;Controller is provided with the first alarm lamp and the second alarm lamp, for indicating in-car situation;Controller is opened provided with control line with the first button switch, the second button
Close and electric element connection.
The operation principle of school bus children alarming device is:Driver is opened after car door, and the control system of automobile transmits a driving gate signal to controller, and the controller of school bus children alarming device enters automatic control state;When driver's opening car door is not got on the bus, the first button switch of driver seat is normally off;Children, which get on the bus, to take after children's seat, and the second cushion of children's seat overcomes the elastic force of the second button switch spring to decline, close the second normally opened button switch in the presence of children's human bady gravitational;The signal that children take children's seat is transferred to controller by the second button switch, and controller controls the first alarm lamp bright, for representing that children's seat has children;Meanwhile, controller controls the electric element of safe closing device to be powered, and the unit head of electric element stretches out, and blocks car door, prevents car door from closing;Driver, which gets on the bus, to take after driver seat, and the first cushion of driver seat overcomes the elastic force of the first button switch spring to decline, make the first normally closed button switch disjunction in the presence of driver's human bady gravitational;The signal that driver takes driver seat is transferred to controller by the first button switch, and the power supply of controller control cut-out electric element, the unit head of electric element resets retraction, school bus is closed the door;Driven a vehicle after driver's closed door and children are sent to destination, children, which get off, to be left after children's seat, second cushion of children's seat resets rising in the presence of the elastic force of the second button switch spring, second button switch is by closed reduction to normally open, the signal that children leave children's seat is transferred to controller by the second button switch, controller controls the first alarm lamp to extinguish, and driver is recognized that children leave the situation of children's seat in the first alarm lamp of controller;When driver leaves driver seat, the first cushion of driver seat resets rising in the presence of the elastic force of the first button switch spring, and the first button switch resets to normally off by disjunction, and the signal that driver leaves driver seat is transferred to controller by the first button switch;Driver is left after driver seat, if there is children on children's seat, the second button switch is closed on children's seat, and children's seat is also had the signal of children to be transferred to controller by the second button switch, and controller controls the electric element of safe closing device to be powered, the unit head of electric element stretches out, car door is blocked, prevents car door from closing, forces driver or teacher to check on car and whether also have children, prevent children to be held in in-car, threaten the life of children.
The beneficial effects of the invention are as follows:School bus children alarming device is provided with multiple defencive function; the situation in school bus is monitored and controlled using the driver seat of school bus, children's seat and safe closing device; if children leave children's seat in the car, children's seat side or below when; controller control car door can not be closed; force driver or teacher check on car whether survival children, effectively prevent and leave children onboard.
Brief description of the drawings
Fig. 1 is the structural representation of school bus children alarming device.
Embodiment
The present invention is further detailed with specific embodiment below according to accompanying drawing:
The structural representation of school bus children alarming device shown in Fig. 1, school bus children alarming device includes controller 1, driver seat 2, children's seat 3 and safe closing device 4;Driver seat 2 includes the first mounting 5, the first cushion 6, the first button switch 7 and the first backrest 8, first cushion 6 is actively tied in the first guide groove 10 of the first mounting 5, first button switch 7 is installed between the first bottom plate 11 of the first cushion 6 and the first bottom land 12 of the first guide groove 10, the first base 13 of first button switch 7 is fixedly connected with the first bottom land 12, first button 14 of the first button switch 7 is contacted with the first bottom plate 11, and the first button switch 7 is normally closed switch;When driver is sitting in the first cushion 6, the disjunction of the first button switch 7;Children's seat 3 includes the second mounting 15, the second cushion 16, the second button switch 17 and the second backrest 18, second cushion 16 is actively tied in the second guide groove 20 of the second mounting 15, second button switch 17 is installed between the second bottom plate 21 of the second cushion 16 and the second bottom land 22 of the second guide groove 20, the second base 23 of second button switch 17 is fixedly connected with the second bottom land 22, second button 24 of the second button switch 17 is contacted with the second bottom plate 21, and the second button switch 17 is normal open switch;When driver is sitting in the second cushion 16, the second button switch 17 is closed;Safe closing device 4 is made up of electric element 27, electric element 27 includes electric pushrod or electromagnet, the support 28 of electric element 27 is fixedly connected with door frame 29, the unit head 30 of electric element 27 towards car door 31, if children in the car when, electric element 27 is powered, unit head 30 stretches out, car door 31 is blocked, prevents car door 31 from closing, for preventing children to be held in in-car;Controller 1 is provided with the first alarm lamp 32 and the second alarm lamp 33, and controller 1 is connected provided with control line with the first button switch 7, the second button switch 17 and electric element 27.
In order to implement automatically controlling for controller 1, implement the multiple defencive function of school bus, controller 1 is provided with the first human body sensor 9, the second human body sensor 19, the human body sensor 26 of third party's body sensor 25 and the 4th;First human body sensor 9 is on the first backrest 8 of driver seat 2, second human body sensor 19 is on the second backrest 18 of children's seat 3, third party's body sensor 25 is located at the bottom surface of the mounting 15 of children's seat 3 second, and the 4th human body sensor 26 is located at the side of the mounting 15 of children's seat 3 second;Controller 1 is connected provided with control line with the first human body sensor 9, the second human body sensor 19, the human body sensor 26 of third party's body sensor 25 and the 4th;Controller 1 is connected with the first button switch 7, and the first button switch 7 is connected with the second button switch 17, and the second button switch 17 is connected with electric element 27, and electric element 27 is connected with controller 1;First button
Switch 7 is connected in series with the second button switch 17, and the second button switch 17 is connected in series with electric element 27.
In order to control the stroke of the first cushion 6 and the second cushion 16, and prevent the first cushion 6, the second cushion 16 from damaging the first button switch 7, the second button switch 17 by pressure, first guide groove 10 of driver seat 2 is provided with the first limiting card 34, first limiting card 34 is located at the lower section of the first bottom plate 11 of the first cushion 6, when first bottom plate 11 drops to the first 34 position of limiting card, blocked and can not be declined again by the first limiting card 34, effectively prevent the first cushion 6 from damaging the first button switch 7 by pressure;The distance of first the 11 to the first limiting card of bottom plate 34 is more than the disjunction stroke of the first button switch 7, to ensure that driver is taken after driver seat 2, and the first cushion 6 declines can be by the normally closed disjunction of the first button switch 7.Second guide groove 20 of children's seat 3 is provided with the second limiting card 35, second limiting card 35 is located at the lower section of the second bottom plate 21 of the second cushion 16, when second bottom plate 21 drops to the second 35 position of limiting card, blocked and can not be declined again by the second limiting card 35, effectively prevent the second cushion 16 from damaging the second button switch 17 by pressure;The distance of second the 21 to the second limiting card of bottom plate 35 is more than the disjunction stroke of the second button switch 17, to ensure that children are taken after children's seat 3, and the second cushion 16 can close the first normally opened button switch 7 when declining.
In order to ensure the reliability of the first button switch 7 and the work of the second button switch 17, driver seat 2 is provided with the first button switches 7 all on multiple first button switches 7, driver seat 2 and is connected in parallel;Children's seat 3 is provided with the second button switches 17 all on multiple second button switches 17, children's seat 3 and is connected in parallel;All children's seats 3 are provided with the second button switch 17 on school bus;Second alarm lamp 33 is provided with multiple, and the first button switch 7 is provided with multiple, and each first button switch 7 is correspondingly provided with second alarm lamp 33.
In order to implement the lifting moving of the first cushion 6 and the second cushion 16, ensure the normal work of the first button switch 7 and the second button switch 17, the first spring 36 is provided between first bottom plate 11 of the first cushion 6 and the first bottom land 12 of the first guide groove 10, for increasing the elastic force that the first cushion 6 resets;Driver is more than the elastic force of the first spring 36 with the gravity that the first cushion 6 adds up to, during ensureing that driver takes driver's children's seat 2, and the first cushion 6 can descend the first button switch 7 of decompression to close;The elastic force of first spring 36 is more than the gravity of the first cushion 6, and to ensure that driver is left after driver seat 2, the first cushion 6 can automatically reset.Second spring 37 is provided between second bottom plate 21 of the second cushion 16 and the second bottom land 22 of the second guide groove 20, for increasing the elastic force that the second cushion 16 resets.Children are more than the elastic force of second spring 37 with the gravity that the second cushion 16 adds up to, during ensureing that children take children's seat 3, and the second cushion 16 can descend the second button switch 17 of decompression to close;Second spring
37 elastic force is more than the gravity of the second cushion 16, and to ensure that children are left after children's seat 3, the second cushion 16 can automatically reset.
The operation principle of school bus children alarming device is:Driver is opened after car door 31, and the control system of automobile transmits a driving gate signal to controller 1, and the controller 1 of school bus children alarming device enters automatic control state;When driver's opening car door 31 is not got on the bus, the first button switch 7 of driver seat 2 is normally off;Children, which get on the bus, to take after children's seat 3, and the second cushion 16 of children's seat 3 overcomes the elastic force of the spring of the second button switch 17 to decline, close the second normally opened button switch 17 in the presence of children's human bady gravitational;The signal that children take children's seat 3 is transferred to controller 1 by the second button switch 17, and controller 1 controls the first alarm lamp 32 bright;Meanwhile, controller 1 controls the electric element 27 of safe closing device 4 to be powered, and the unit head 30 of electric element 27 stretches out, and blocks car door 31, prevents car door 31 from closing;Driver, which gets on the bus, to take after driver seat 2, and the first cushion 6 of driver seat 2 overcomes the elastic force of the spring of the first button switch 7 to decline, make the normally closed disjunction of the first button switch 7 in the presence of driver's human bady gravitational;The signal that driver takes driver seat 2 is transferred to controller 1 by the first button switch 7, and the power supply of the control cut-out electric element 27 of controller 1, the unit head 30 of electric element 27 resets retraction, school bus is closed the door;Driven a vehicle after driver's closed door and children are sent to destination, children, which get off, to be left after children's seat 3, second cushion 16 of children's seat 3 resets rising in the presence of the elastic force of the spring of the second button switch 17, second button switch 17 is by closed reduction to normally open, the signal that children leave children's seat 3 is transferred to controller 1 by the second button switch 17, controller 1 controls the first alarm lamp 32 to extinguish, and driver is recognized that children leave the situation of children's seat 3 in the first alarm lamp 32 of controller 1;When driver leaves driver seat 2, first cushion 6 of driver seat 2 resets rising in the presence of the elastic force of the spring of the first button switch 7, first button switch 7 resets to normally off by disjunction, and the signal that driver leaves driver seat 2 is transferred to controller 1 by the first button switch 7;Driver is left after driver seat 2, if there is children on children's seat 3, second button switch 17 is closed on children's seat 3, the signal that children's seat 3 also has children is transferred to controller 1 by the second button switch 17, and controller 1 controls the electric element 27 of safe closing device 4 to be powered, and the unit head 30 of electric element 27 stretches out, block car door 31, prevent car door 31 from closing, prevent children to be held in in-car, threaten the life of children.
In order to implement that comprehensive monitoring is carried out to school bus, prevent children remaining in the car, when driver leaves driver seat 2, just in case the failure of the first button switch 7, the signal that driver leaves driver seat 2 is transferred to controller 1 by the first human body sensor 9 on the backrest 8 of driver seat 2 first, if youngster
There are children on virgin seat 3, just in case the failure of the second button switch 17, children are also transferred to controller 1 by the second human body sensor 19 on the backrest 18 of children's chair 3 second in the signal of children's seat 3, controller 1 controls the electric element 27 of safe closing device 4 to be powered, the unit head 30 of electric element 27 stretches out, car door 31 is blocked, prevents car door 31 from closing, prevents children to be held in in-car.When driver leaves driver seat 2, when being located at the bottom surface of the mounting 15 of children's chair 3 second if children, the signal of children is transferred to controller 1 by third party's body sensor 25, controller 1 controls the electric element 27 of safe closing device 4 to be powered, the unit head 30 of electric element 27 stretches out, car door 31 is blocked, prevents car door 31 from closing, prevents children to be held in in-car.When driver leaves driver seat 2, when being located at the side of the mounting 15 of children's chair 3 second if children, the signal of children is transferred to controller 1 by the 4th human body sensor 26, controller 1 controls the electric element 27 of safe closing device 4 to be powered, the unit head 30 of electric element 27 stretches out, car door 31 is blocked, prevents car door 31 from closing, prevents children to be held in in-car.When the unit head 30 of electric element 27 stretches out, the first normally closed button switch 7 resets closure, and the second normally opened button switch 17 is closed, and power supply is sent to electric element 27 by controller 1 through the first button switch 7 and the second button switch 17, controller 1 is returned to by electric element 27 again, a loop is formed.