Utility model content
The utility model aims to solve at least the technical problems existing in the prior art, especially innovatively proposes a kind of kitchenRoom security alerting system.
In order to realize the above-mentioned purpose of the utility model, the utility model provides a kind of kitchen security alerting system, packetRange switch is included, the Range switch includes the valve body of adjustment of combustion gas flow, and the spinner handle on valve body, the spinner handle, which passes through, to be firedOne end of gas kitchen panel is equipped with spiral cover, drives spinner handle rotation come the aperture of regulation valve body by screwing spiral cover, further includes detectionThe first sensor of the switch state of Range switch, at least one be set to the human body detection sensor in kitchen, alarm unit andThe control module that alarm unit issues alarm signal is controlled according to the output signal of first sensor and human body detection sensor；
The output end of the first sensor and the first signal input part of control module connect, human body detection sensorOutput end and the second signal input terminal of control module connect, the first signal output end of control module and the signal of alarm unitInput terminal connection.
The switch state for having the beneficial effect that real-time detection Range switch of above-mentioned technical proposal, when detecting Range switchWhen being not at closed position, further detect kitchen in whether someone, when nobody start alarm unit alarm.The technical sideCase from enamelware pot, gas leakage, forget close Range switch the problems such as source just carry out fire prevention and control, i.e., in kitchen, nobody and kitchen range are openedIt closes and just carries out warning note user in non-closed positions and pay attention to using safe, can effectively fire preventing occur, reduce wealthProduction and personal damage.
In a kind of preferred embodiment of the utility model, the first sensor includes be mounted on spiral cover sideOne light emitting module and the first optical receiver module being installed on gas kitchen range panel, the output end and control mould of the first optical receiver moduleFirst signal input part of block connects, and when screwing closed position of the spiral cover to Range switch, first optical receiver module is connectReceive the emergent ray of the first light emitting module；
Or the first sensor includes being mounted on the first optical receiver module of spiral cover side and being installed on combustion gas cooktopThe first light emitting module on plate, the output end of the first optical receiver module and the first signal input part of control module connect, and work as rotationWhen twisting spiral cover to the closed position of Range switch, first optical receiver module receives the emergent ray of the first light emitting module.
Having the beneficial effect that for above-mentioned technical proposal discloses the two of the first sensor of the switch state of detection Range switchCorrelation optical detection principle, convenient signal treatment is utilized in kind structure and mounting means, the first sensor, and device is easyIt obtains, cost is relatively low.
In a kind of preferred embodiment of the utility model, the first sensor includes be mounted on spiral cover sideOne magnet and the first magnetic induction unit being installed on gas kitchen range panel, the output end and control module of the first magnetic induction unitThe connection of the first signal input part, when screwing closed position of the spiral cover to Range switch, the first magnetic induction unit is receivedTo the magnetic line of force of the first magnet；
Or the first sensor includes being mounted on the first magnetic induction unit of spiral cover side and being installed on combustion gas cooktopFirst signal input part of the first magnet on plate, the output end of the first magnetic induction unit and control module connects, when screwingWhen lid to the closed position of Range switch, the first magnetic induction unit receives the magnetic line of force of the first magnet.
Above-mentioned technical proposal has the beneficial effect that the another of the first sensor for disclosing the switch state of test Range switchMagnetic induction measurement principle is utilized in outer two kinds of structures and mounting means, the first sensor, is not rung by environmental disturbances shadow, letterNumber processing is convenient, and device is easy to get, and cost is relatively low.
In a kind of preferred embodiment of the utility model, the first sensor includes elastomer and is attached to elasticityResistance-strain unit on body；Described elastomer one end is fixed on spiral cover or spinner handle, and the other end is fixed on gas kitchen range panel；The output end of the resistance-strain unit and the first signal input part of control module connect.
Above-mentioned technical proposal has the beneficial effect that the another of the first sensor for disclosing the switch state of test Range switchA kind of outer structure and mounting means, deformation occurs for meeting when spiral cover or spinner handle rotate for elastomer, and the resistance attached thereon is answeredDeformation can also be generated and export corresponding with deformation size voltage by becoming unit, this structure of first sensor not vulnerable to temperature,The external environmental interferences such as light, detection accuracy are high.
In a kind of preferred embodiment of the utility model, the control module includes nor gate, first sensingThe first input end of the output end AND OR NOT gate of device connects, and the second of the output end AND OR NOT gate of the human body detection sensor is defeatedEnter end connection, the output end of nor gate and the signal input part of alarm unit connect.
Having the beneficial effect that for above-mentioned technical proposal discloses the hardware circuit diagram of control module, hardware circuit letterSingle, cost is relatively low.
It further include delay unit in a kind of preferred embodiment of the utility model, the input terminal of the delay unitIt is connect with the first signal output end of control module, the output end of delay unit and the signal input part of alarm unit connect；
And/or further include input unit, the delay time setting end of delay unit and the output end of input unit connect.
Above-mentioned technical proposal have the beneficial effect that so that detect Range switch be in non-closed positions and nobody in kitchenIt when in room, alarms again after a period of time that is delayed, is engaged in other activities in the time delay device convenient for user；Input unit is usedIn the size of setting delay time, user can be arranged according to the actual situation, such as will not all send out in a long time when user estimatesWhen the perils such as raw burn pot, the settable long period, the technical solution is very humanized, and user can adjust according to the actual situationIt is whole.
It further include the second sensing for detecting door opening and closing state of registering one's residence in a kind of preferred embodiment of the utility modelDevice, the output end of the second sensor and the third signal input part of control module connect；
The second sensor includes the second light emitting module and for being respectively arranged at entry door edge and door frame of registering one's residenceTwo optical receiver modules, when entry door is closed, the second optical receiver module receives the emergent ray of the second optical receiver module, describedThe output end of second optical receiver module and the third signal input part of control module connect；
And/or the second sensor includes the second magnet and for being respectively arranged at entry door edge and door frame of registering one's residenceTwo magnetic induction units, when entry door is closed, the second magnetic induction unit receives the magnetic line of force of the second magnet, second magnetic strengthThe third signal input part of the output end and control module of answering unit connects.
Having the beneficial effect that for above-mentioned technical proposal goes out to forget the case where closing gas stove switch generation in order to prevent, passes throughThe switch state of second sensor real-time detection entry door, when gas stove switch be not turned off and kitchen nobody when, at this moment open intoFamily door, alarm unit can issue alarm signal, and user's gas stove is prompted also to be not turned off.
It further include the gas security set on kitchen, the combustion gas in a kind of preferred embodiment of the utility modelThe output end of sensor and the fourth signal input terminal of control module connect.
Having the beneficial effect that for above-mentioned technical proposal tests kitchen fuel gas by gas security, when first sensor failureWhen be able to carry out coal gas detection, avoid gas leakage bring endanger, improve the reliability of system.
It further include the smoke sensor device set on kitchen, the smog in a kind of preferred embodiment of the utility modelThe output end of sensor and the 5th signal input part of control module connect.
Having the beneficial effect that for above-mentioned technical proposal tests kitchen smog by smoke sensor device, when first sensor failureWhen be able to carry out Smoke Detection, fire occur when can timely early warning, improve the reliability of system.
It further include communication unit, server and terminal device in a kind of preferred embodiment of the utility model, it is describedCommunication unit has line end and the data sending terminal of control module to connect, and the wireless side of communication unit and the wireless side of server connectIt connects, the wireless side of server is also connect with the wireless side of terminal device.
The improper information used of gas-cooker is sent to correlation by server by having the beneficial effect that for above-mentioned technical proposalThe terminal device that personnel hold reduces loss to handle in time.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginningSame or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginsengThe embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility modelLimitation.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attachedOrientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestionSignified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to thisThe limitation of utility model.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phaseEven ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the company being also possible to inside two elementsIt is logical, it can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art, it canTo understand the concrete meaning of above-mentioned term as the case may be.
The utility model discloses a kind of kitchen security alerting systems, and system block diagram including kitchen range as shown in Figure 1, openIt closes, Range switch includes the valve body 1 of adjustment of combustion gas flow, and the spinner handle 2 on valve body 1, spinner handle 2 is across gas kitchen range panel 3One end is equipped with spiral cover 4, drives the rotation of spinner handle 2 come the aperture of regulation valve body 1 by screwing spiral cover 4, further includes that detection kitchen range are openedThe first sensor 5 of the switch state of pass, at least one be set to kitchen human body detection sensor 6, alarm unit 7, Yi JigenThe control module 8 of alarm signal is issued according to the output signal of first sensor 5 and human body detection sensor 6 control alarm unit 7；
The output end of first sensor 5 is connect with the first signal input part of control module 8, human body detection sensor 6Output end is connect with the second signal input terminal of control module 8, the first signal output end and the alarm unit 7 of control module 8Signal input part connection.
In the present embodiment, control module 8 is preferably but not limited to as 51 single-chip microcontrollers or hardware logic electric circuit.Alarm unit7 are preferably but not limited to include loudspeaker, LED light etc., are preferably but not limited to be mounted in kitchen, on gas kitchen range panel 3.Human body detection sensor 6 is set to the edge opposite with people of gas kitchen range panel 3 or vegetable sink nearby or kitchen doorway or kitchen wallAny place or a few places nearby or in parlor on wall or smoke exhaust ventilator or outside backstairs, when being provided with multiple human body detection sensors 6When, can think nobody when all human body detection sensors 6 do not detect human body, human body detection sensor 6 preferably butIt is not limited to the human body proximity sensor of model YTMW8631, exports low and high level signal, convenient for control other component, orThe infrared human body heat releasing inductive sensing device of model RE200B or KDS209.
In the present embodiment, first sensor 5 scheme of installation as shown in Fig. 2, Fig. 2 diagrammatic cross-section such as Fig. 3It is shown, it is preferred that first sensor 5 includes being mounted on the first light emitting module of 4 side of spiral cover and being installed on gas kitchen range panel 3The first optical receiver module, the output end of the first optical receiver module connect with the first signal input part of control module 8, when screwingWhen spiral cover 4 to the closed position of Range switch, the first optical receiver module receives the emergent ray of the first light emitting module；Or theOne sensor 5 includes the first optical receiver module for being mounted on 4 side of spiral cover and the first luminous mould being installed on gas kitchen range panel 3Block, the output end of the first optical receiver module are connect with the first signal input part of control module 8, are opened when screwing spiral cover 4 to kitchen rangeWhen the closed position of pass, the first optical receiver module receives the emergent ray of the first light emitting module.
In the present embodiment, the first optical receiver module or the first light emitting module are preferably mature isolated correlation lightElectric switch module；Or including mutually independent light emitting diode or photodiode, such small volume is easier to pacifyDress, in the output end of a photodiode current/voltage-converted resistance in parallel to ground, the resistance and photodiode output endConnecting pin be the first optical receiver module output end.First light emitting module or the first optical receiver module by strong adherence orIt the modes such as is threadedly coupled and is fixed on 4 side of spiral cover, any one place on 4 side surface circumference of spiral cover can be fixed on, the be oppositely arrangedOne optical receiver module or the first light emitting module are fixed on gas kitchen range panel 3 by the modes such as being bonded or being threadedly coupled.When screwingWhen spiral cover 4 to the closed position of Range switch, the light-receiving window of the first optical receiver module and the light-emitting window of the first light emitting moduleFace receives the emergent ray of the first light emitting module, exports high level, so that Range switch is in pass when spiral cover 4 does not circle roundWhen closed position (CLOSE), the light-receiving window of the first optical receiver module and the light-emitting window of the first light emitting module are unable to face, outputLow level.
In a kind of preferred embodiment of the utility model, first sensor 5 includes being mounted on the first of 4 side of spiral coverMagnet and the first magnetic induction unit being installed on gas kitchen range panel 3, the output end and control module 8 of the first magnetic induction unitThe connection of the first signal input part, when screwing closed position of the spiral cover 4 to Range switch, the first magnetic induction unit receives theThe magnetic line of force of one magnet；Or first sensor 5 includes being mounted on the first magnetic induction unit of 4 side of spiral cover and being installed on combustion gasThe first magnet on range panel 3, the output end of the first magnetic induction unit are connect with the first signal input part of control module 8, whenWhen screwing closed position of the spiral cover 4 to Range switch, the first magnetic induction unit receives the magnetic line of force of the first magnet.
In the present embodiment, the first magnet is preferably but not limited to as bar magnet, and the first magnetic induction unit is preferably but notIt is limited to for Hall element, the honeywell switch sensor of the model KJT-HJ8 of such as optional Nanjing Kai Jite company.
In a kind of preferred embodiment of the utility model, as shown in Figure 4 and Figure 5, first sensor 5 includes elastomer51 and the resistance-strain unit 52 that is attached on elastomer 51；51 one end of elastomer is fixed on spiral cover 4 or spinner handle 2, the other endIt is fixed on gas kitchen range panel 3；The output end of resistance-strain unit 52 is connect with the first signal input part of control module 8.
In the present embodiment, elastomer 51 is preferably but not limited to as spring or elastic rubber band or elastic band etc., resistanceStrain unit 52 is attached at 51 upper surface of elastomer or lower surface by way of bonding, for sensing the deformation of elastomer 51Amount, the KFH series resistance foil gauge that resistance-strain unit 52 is preferably but not limited to as OMEGA company.As shown in Figure 4 and Figure 5, bulletProperty body 51 one end bonding or be threadedly coupled etc. modes be fixed on spiral cover 4 or spinner handle 2, the other end by bonding or be threadedly coupledEtc. modes be fixed on gas kitchen range panel 3, when Range switch is at closed position (CLOSE), i.e., when Range switch is closed in place,Elastomer 51 has lesser drawing force, when screwing spiral cover 4 makes Range switch leave closed position (CLOSE), 1 aperture of valve bodyBigger, the drawing force that elastomer 51 is subject to is bigger, and the voltage value that resistance-strain unit 52 exports is bigger.
In the present embodiment, it is preferred that defeated in the output end of resistance-strain unit 52 and the first signal of control module 8Enter and be additionally provided with comparator between end, the positive input of the comparator is connect with the output end of resistance-strain unit 52, the ratioNegative input compared with device is connect with the first reference power source output end, the output end of comparator and the first signal of control module 8The voltage of input terminal connection, such comparator output is low and high level signal, convenient for control alarm unit 7.First reference power sourceOutput voltage be Range switch at closed position (CLOSE) resistance-strain unit 52 export voltage value, voltage can be passed throughFiducial chip and resistor voltage divider network combination are constituted, and the 1.2V benchmark of model LM385BD-1-2 may be selected in voltage reference chipVoltage source, resistance pressure-dividing network can be matched according to actual needs, be the conventional design of this field, details are not described herein.ComparatorLM324 or LM358 can be selected.
In a kind of preferred embodiment of the utility model, it is based on above-mentioned preferred embodiment, control module 8 can beHardware logic electric circuit, including nor gate, the first input end connection of the output end AND OR NOT gate of first sensor 5, human testingSecond input terminal of the output end AND OR NOT gate of sensor 6 connects, the output end of nor gate and the signal input part of alarm unit 7Connection.
In the present embodiment, nor gate is preferably but not limited to as 74ls02.
It further include the second sensor for detecting door opening and closing state of registering one's residence in a kind of preferred embodiment of the utility model11, the output end of second sensor 11 is connect with the third signal input part of control module 8；
Second sensor 11 includes the second light emitting module and second for being respectively arranged at entry door edge and door frame of registering one's residenceOptical receiver module, when entry door is closed, the second optical receiver module receives the emergent ray of the second optical receiver module, the second lightThe output end of receiving module is connect with the third signal input part of control module 8；
And/or second sensor 11 includes the second magnet and second for being respectively arranged at entry door edge and door frame of registering one's residenceMagnetic induction unit, when entry door is closed, the second magnetic induction unit receives the magnetic line of force of the second magnet, the second magnetic induction unitOutput end connect with the third signal input part of control module 8.
In the present embodiment, the specific structure of second sensor 11 and device type selection can refer to first sensor 5,Details are not described herein.
In the present embodiment, when control module 8 is logic hardware circuit, as shown in fig. 6, the logic hardware single channel packetIt includes: NOT gate and door or door and nor gate, the first input end connection of the output end AND OR NOT gate of first sensor 5, human body inspectionThe second input terminal connection of the output end AND OR NOT gate of sensor 6 is surveyed, the output end of nor gate is inputted with the first of door respectivelyEnd connect with the input terminal of delay unit 9, and the output end NAND gate input terminal of second sensor connects, non-gate output terminal and with doorThe second input terminal connection, with the output end of door with or the first input end of door connect, the output end of delay unit and or doorThe output end of the connection of second input terminal or door is connect with the input terminal of alarm unit 7.
When Range switch is in non-closed positions, first sensor 5 exports low level, only works as human body detection sensor6 export low level when can't detect people, at this time nor gate output HIGH voltage, start-up study unit, and after delay time arrives, delay is singleMember output high level to or door or door output HIGH voltage to alarm unit issue alarm signal, if someone open entry door want fromOpen, second sensor 11 exports low level to NOT gate, NOT gate export high level to door, with door output high level to or door, orMen Chun output HIGH voltage is issued to alarm unit 7 and is alarmed, and no matter whether delayer, which reaches delay, at this time to alarm, and promptDoor personnel not forget that gas stove switch is closed not yet, to reduce the risk of fire or gas leakage.
In the present embodiment, 74ls08 can be selected with door or 74ls32 can be selected in door, 74ls21 can be selected in NOT gate.
In a kind of preferred embodiment of the utility model, as shown in Figure 1, further including delay unit 9 and input unit10, the input terminal of delay unit 9 is connect with the first signal output end of control module 8, and the output end of delay unit 9 and alarm are singleThe signal input part connection of member 7；
And/or further include input unit 10, end is arranged in 9 delay time of delay unit and the output end of input unit 10 connectsIt connects.
In the present embodiment, delay unit 9 is preferably but not limited to the delay of model LTC6994 or CD74HC123PWRChip and external circuit, physical circuit can refer to chip handbook；Delay time can arbitrary disposition, be preferably but not limited to be configured to 5Minute etc., i.e., when Range switch is not turned off, when the nobody of kitchen, the alarm of alarm unit 7 is restarted in delay after five minutes.Input is singleMember 10 is preferably but not limited to as variable resistance or key etc., and such as when delay unit 9 selects LTC6994, input unit 10 is optionalWith the variable resistance of hand adjustment, such as knob, one end of variable resistance is grounded, the delay duration of the other end and LTC6994Pin SET connection is set.
It further include the gas security 12 set on kitchen in a kind of preferred embodiment of the utility model, combustion gas passesThe output end of sensor 12 is connect with the fourth signal input terminal of control module 8.
It further include the smoke sensor device 13 set on kitchen in a kind of preferred embodiment of the utility model, smog passesThe output end of sensor 13 is connect with the 5th signal input part of control module 8.
It further include communication unit 14, server 15 and terminal device in a kind of preferred embodiment of the utility model16, communication unit 14 has line end and the data sending terminal of control module 8 to connect, the wireless side and server 15 of communication unit 14Wireless side connection, the wireless side of server 15 also connect with the wireless side of terminal device 16.
In above-mentioned preferred embodiment, control module 8 is preferably single-chip microcontroller or MCU, may be selected model LPC1768'sSingle-chip microcontroller, communication unit 14 are preferably GSM or 4G communication module, pass through serial ports and 8 connection communication of control module, server15 preferably Cloud Server, terminal devices 16 are preferably smart phone.Gas security 12 is preferably but not limited to as TVOC inductionChip, smoke sensor device 13 are preferably but not limited to as CMOS smoke sensing chip.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically showThe description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or examplePoint is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned termStating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can beIt can be combined in any suitable manner in any one or more embodiment or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objectiveAnd modification, the scope of the utility model are defined by the claims and their equivalents.