Summary of the invention
In view of this, the utility model proposes living body detection device in a kind of vehicle and apply its vehicle, solve the problem that cannot accurately judge in prior art whether to have children to be detained in vehicle.
On the one hand, the utility model provides living body detection device in a kind of vehicle, comprising:
The timer of timing is started during for stopping working when vehicle and entering car locking state; For detecting the temperature sensor of temperature in described vehicle when described timer starts timing; For detecting the infrared proximity transducer that whether there is live body in described vehicle; Be distributed in the push-button array in described seat, for row button or the row key-press status of the output key array when described timer starts timing; For detect in vehicle have live body and in vehicle, temperature exceedes setting threshold value time send the alarm of alerting signal; And
Controller, be connected with described timer, described temperature sensor, described infrared proximity transducer, described push-button array and described alarm respectively, after the row button that described controller exports at the infrared reflectance signal exported according to described infrared proximity transducer and described push-button array or row key-press status judge to there is live body in vehicle, when the temperature that described temperature sensor detects exceedes setting threshold value, trigger described alarm and report to the police.
Preferably, described push-button array is distributed on the cushion sponge of seat.
Preferably, described push-button array is the capable N row of M, and the output terminal of described controller is connected with the M of described push-button array is capable respectively, and the input end of described controller arranges with the N of described push-button array respectively and is connected, and wherein, described M, N are positive integer.
Preferably, when described controller detects that vehicle stops working and enters car locking state, the output terminal of described controller exports high level with the line that setting cycle is described push-button array, and the input end of described controller detects the level variable condition of the alignment output of described push-button array and then judges whether have live body in vehicle;
Wherein, during the alignment output low level of described push-button array, described controller judges in vehicle without live body; When the alignment of described push-button array exports high level, described controller judges there is live body in vehicle.
Preferably, when described controller detects that vehicle stops working and enters car locking state, the output terminal of described controller is the line output high level of described push-button array, and the input end of described controller detects the level state of the alignment output of described push-button array and the level state that the alignment of described push-button array exports is designated as original state; Described controller is after the setting-up time of interval one, the output terminal of described controller exports high level with the line that setting cycle is described push-button array, and the input end of described controller detects the level state of the alignment output of described push-button array and this level state and described original state contrasted and then judge whether have live body in vehicle;
Wherein, when the level state that the alignment of the described push-button array that the input end of described controller detects exports is identical with described original state, described controller judges that vehicle is interior without live body; Otherwise described controller judges there is live body in vehicle.
Preferably, described push-button array is the capable N row of M, and the output terminal of described controller arranges with the M of described push-button array respectively and is connected, and the output terminal of described controller is connected with the N of described push-button array is capable respectively, and wherein, described M, N are positive integer.
Preferably, the described infrared proximity transducer backrest that is positioned at multiple seats of described vehicle or be positioned at described vehicle multiple seats on vehicle roof.
Preferably, described alarm is according to the time length adjustment alert frequency of timer.
Another is convenient, and the utility model provides a kind of vehicle, and described vehicle comprises living body detection device in the vehicle described in above-mentioned any one.
Living body detection device and apply its vehicle in the car that the utility model provides, when infrared proximity transducer detect infrared signal change and push-button array export row button or row key-press status generation random variation time judge to there is live body in car after, when the temperature that temperature sensor detects is greater than setting threshold value, controller triggered alarm is reported to the police, and alarm sends the different alarm of frequency according to time length during timer.Whether the utility model can exist human body live body in the detection vehicle of accurate quick, warning can be sent in time when detecting in vehicle and being detained live body, the outer personnel of vehicle are reminded to implement relief to the live body be detained in vehicle, avoid occurring because carelessness causes being trapped in the problem that the live body in enclosed vehicle causes danger, with low cost, reliability and accuracy high.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.Be understandable that, specific embodiment described herein only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, illustrate only the part relevant to the utility model in accompanying drawing but not full content.
The utility model embodiment provides living body detection device in a kind of vehicle, can solve the problem that cannot accurately judge in prior art whether to have children to be detained in vehicle.
Fig. 1 is the structural drawing of living body detection device in a kind of vehicle of providing of the utility model embodiment.As shown in Figure 1, in this vehicle, living body detection device comprises controller and is connected respectively with controller timer, temperature sensor, infrared proximity transducer, push-button array, alarm.When the vehicle is stopped, timer starts timing under the control of the controller, and this timer accessible site also can be arranged on outside controller in the controller.When timer starts timing, temperature sensor starts the temperature detected in vehicle.Start infrared proximity transducer with Time Controller in running order, the infrared signal of being returned by reflections off objects in infrared proximity transducer probe vehicles is so as to judging whether this object is live body.Push-button array is arranged in seat, and whether controller detects the level change of push-button array output terminal, be live body according to the object that the level state of push-button array output terminal judges on seat.Infrared proximity transducer and push-button array detect in vehicle there is live body time, and when in the vehicle that detects of temperature sensor, temperature exceedes setting threshold value, alarm sends alerting signal.
Further, in conjunction with temperature in the timing time length of timer and vehicle, can also be reported to the police by controller triggered alarm.Specifically, when the temperature that temperature sensor detects is greater than setting threshold value, controller triggered alarm is reported to the police, and alarm is according to the time length adjustment alert frequency of timer.Such as, when in the vehicle that temperature sensor detects, temperature exceedes setting threshold value, according to time length during timer, alarm sends chimes of doom that frequency strengthens gradually thus helps the outer personnel of car to grasp live body in time and is detained time length in car, to take measure of suing and labouring accordingly.The normal sendible temperature that in vehicle, the setting threshold value of temperature can be born with human body or pet is as the criterion, and between 25-35 degree, even can set ultimate temperature threshold value, between 25-60 degree.
In the utility model embodiment, preferably, the infrared proximity transducer backrest that lays respectively at multiple seat in described vehicle or the vehicle roof that is positioned on the multiple seat of described vehicle.This infrared proximity transducer selects reflective infrared approach switch, can the perception live body infrared ray that enters detection by the scope that reflects time, gauge tap is connected, and when in the scope that live body leaves infrared reflection, gauge tap disconnects.Whether the infrared signal reflected according to infrared proximity transducer changes and can judge whether there is live body in vehicle.
In order to not affect the ride experience of user, multiple push-button array to be arranged at respectively in vehicle under multiple seat.Preferably, push-button array is distributed on the cushion sponge of seat.Such as: push-button array can be arranged on the cushion sponge at seat edge, the cushion sponge that also can be arranged on seat center is first-class.Push-button array can be the film key array of the capable N row of M, and the output terminal of controller is connected with the M of push-button array is capable respectively, and the input end of controller arranges with the M of push-button array respectively and is connected.When controller detects that vehicle stops working and enters car locking state, the output terminal of controller take setting cycle as the row output high level of push-button array, judge without live body in vehicle when the input end of controller detects the alignment output low level of push-button array, judge there is live body in vehicle when the input end of controller detects the alignment output high level of push-button array.
Or, when controller detects that vehicle stops working and enters car locking state, the output terminal of controller is the line output high level of push-button array, the input end of controller detects the level state of the alignment output of push-button array and the level state of the now alignment output of push-button array is designated as original state, controller is after the setting-up time of interval one, the output terminal of controller take setting cycle as the line output high level of push-button array, whether the level state that the alignment of the input end detection push-button array of controller exports changes compared with described original state, if detect, the level state that the alignment of push-button array exports is identical with described original state, then judge in vehicle without live body, otherwise there is live body in judgement vehicle.
In other embodiments of the present utility model, the output terminal of controller also can arrange with the M of push-button array respectively and be connected, the output terminal of controller is connected with the N of push-button array is capable respectively, whether under this embodiment, controller detects in vehicle has the principle of live body same as the previously described embodiments, does not repeat them here.
Preferably, in the vehicle that the utility model embodiment provides, living body detection device also comprises vehicle power supply, and it is connected with temperature sensor, infrared proximity transducer, alarm and controller respectively, for providing operating voltage for living body detection device in vehicle.
The concrete structure of the described push-button array of description exemplary below and principle of work.
Fig. 2 is the structural drawing of living body detection device in the another kind of vehicle that provides of the utility model embodiment.As shown in Figure 2, in this vehicle, living body detection device comprises timer, temperature sensor, infrared proximity transducer, push-button array, alarm, controller and vehicle power supply.Controller is connected with timer, temperature sensor, infrared proximity transducer, push-button array, alarm and vehicle power supply respectively, and vehicle power supply is connected with temperature sensor, infrared proximity transducer, alarm and controller respectively.Be described for 4 row 4 row push-button arrays in the present embodiment.
In the present embodiment, in push-button array, the first row push-button array a1 is connected with the output terminal of controller respectively to fourth line push-button array a4, and in push-button array, first row push-button array b1 is connected with the input end of controller respectively to the 4th row push-button array b4.When vehicle stops working and enters car locking state, timer starts timing, simultaneous temperature sensor starts the temperature detected in vehicle, then whether controller controls infrared proximity transducer and detects the infrared signal reflected and change, the cycle that output terminal with Time Controller starts to set exports high level as the first row push-button array a1 to fourth line push-button array a4, and whether the level that the input end detection first row push-button array b1 of controller exports to the 4th row push-button array b4 random variation occurs.If the alignment output low level Time Controller of push-button array judges to there is live body in vehicle, the alignment of push-button array exports high level Time Controller and judges in vehicle without live body.Such as: when vehicle is out of service, first row push-button array b1 and secondary series push-button array b2 output low level in push-button array, 3rd row push-button array b3 and the 4th row push-button array b4 exports high level, after certain interval of time (such as 10 seconds), if first row push-button array b1 exports high level, secondary series push-button array b2 is to the 4th row push-button array b4 output low level, then illustrate that push-button array is triggered, being detained in car has live body.When children are trapped in airtight vehicle, due to the continuous rising of temperature, in car, children must be in active state, cause the row key-press status of push-button array in a period of time constantly to change.But when object is trapped in car, because object is in static state, therefore, only can there is one-shot change in the row button of push-button array or row key-press status in a period of time interval.Therefore, the situation that push-button array can get rid of retentate in car is set, thus judges whether to be detained in vehicle have live body further, as children or pet, improve accuracy and the reliability of In vivo detection in vehicle.
It should be noted that, in the present embodiment, just be described for push-button array alignment random variation, in practice, in order to increase accuracy and the reliability of detection, when live body is detained in vehicle, it will inevitably be constantly movable, therefore, repeatedly random variation can be there is in the level that push-button array alignment exports, such as: export high level at first time period first row push-button array b1 and secondary series push-button array b2, 3rd row push-button array b3 and the 4th row push-button array b4 output low level, in the second time period, first row push-button array b1 and the 4th row push-button array b4 output low level, secondary series push-button array b2 and the 3rd row push-button array b3 exports high level, in the 3rd time period, first row push-button array b1 exports high level, secondary series push-button array b2 is to the 4th row push-button array b4 output low level, the level generation random variation that the alignment of push-button array exports then is described, now judge to there is live body in vehicle.
Or, when controller detects that vehicle stops working and enters car locking state, the output terminal of controller is the line output high level of push-button array, this Time Controller detects that the first row of push-button array is followed successively by high level to the level state of the 4th row alignment input control device, high level, low level and low level, after the 10S of interval, the output terminal of controller take setting cycle as the line output high level of push-button array, this Time Controller detects that the first row of push-button array is followed successively by low level to the level state of the 4th row alignment input control device, high level, high level and high level, namely the level state that the alignment of push-button array that the input end of controller detects exports changes compared with original state, therefore controller judges to there is live body in vehicle.Otherwise after certain interval of time, the level state that the alignment of the described push-button array that the input end of controller detects exports does not change compared with original state, then controller judges to there is not live body in vehicle.
It should be noted that, in the present embodiment, level state and the original state of the push-button array alignment that controller input end detects only have carried out once comparing, in actual applications, in order to improve the accuracy of detection, the level state of the alignment of push-button array repeatedly can be compared with described original state.
Fig. 3 is the structural drawing of living body detection device in another vehicle of providing of the utility model embodiment.As shown in Figure 3, in a kind of vehicle that in this vehicle, living body detection device and above-described embodiment provide, the difference of living body detection device is, in the present embodiment, in described push-button array, first row push-button array b1 is connected with the output terminal of controller respectively to the 4th row push-button array b4, and in described push-button array, the first row push-button array a1 is connected with the output terminal of controller respectively to fourth line push-button array a4.The principle that this embodiment middle controller judges whether to exist in vehicle live body can refer to living body detection device in the vehicle shown in Fig. 2 and understands, and no longer describes in detail herein.
The utility model embodiment still provides a kind of vehicle, and described vehicle comprises living body detection device in vehicle that above-mentioned any embodiment provides.Described vehicle can be passenger vehicle, school bus or family-sized car etc.
Living body detection device and apply its vehicle in the car that the utility model embodiment provides, whether live body can be there is in the inspection vehicle of accurate quick, avoid occurring because carelessness causes being trapped in the problem that children in enclosed vehicle or pet cause danger, with low cost, reliability and accuracy high.
Be appreciated that the utility model used some embodiments to be described, those skilled in the art know, when not departing from spirit and scope of the present utility model, can carry out various change or equivalence replacement to these characteristic sum embodiments.In addition, under instruction of the present utility model, can modify to adapt to concrete situation and material to these characteristic sum embodiments and spirit of the present utility model and protection domain can not be departed from.Therefore, the utility model is not by the restriction of specific embodiment disclosed herein, and the embodiment in the scope of the claim of all the application of falling into all belongs to protection domain of the present utility model.