CN105389906A - Intelligent inductive doorbell - Google Patents
Intelligent inductive doorbell Download PDFInfo
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- CN105389906A CN105389906A CN201510514627.3A CN201510514627A CN105389906A CN 105389906 A CN105389906 A CN 105389906A CN 201510514627 A CN201510514627 A CN 201510514627A CN 105389906 A CN105389906 A CN 105389906A
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- reference voltage
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
Abstract
An intelligent inductive doorbell relates to doorbells. The intelligent inductive doorbell includes a doorbell main body, a housing, a power supply system, and a micro-processor system, wherein the power supply system is connected to a power supply port of the micro-processor system; the intelligent inductive doorbell also includes at least one of a vibrating sensor and a sound sensor, and a shaking switch; at least one of the vibrating sensor and the sound sensor is connected to at least one signal input end of the micro-processor system; the shaking switch is connected to the other signal input end of the micro-processor system; and the intelligent inductive doorbell is also provided with a vocal system which is in communication connection with a signal output end of the micro-processor system. According to the intelligent inductive doorbell, the vibrating sensor or the sound sensor can acquire a vibrating signal or a sound signal respectively, and sends the vibrating signal or the sound signal to the micro-processor system, in such a way that the micro-processor system has a data foundation for accurately determining a knock sound and can perform an accurate determination, and the vocal system emits a doorbell notify sound when the existence of knock sound is determined.
Description
Technical field
The present invention relates to electronic applications, be specifically related to doorbell.
Background technology
Doorbell can be sounded and be reminded owner to have people to come to visit, in life now, receive widespread use.But, due to doorbell installation site some not easily find or the habit problem of people, people still go to knock at the door with hand sometimes.Along with the development of sound insulation technology, the soundproof effect of door is become better and better, then goes to knock at the door with hand, and the owner in room may can't hear, and some have employed special material, even if put forth one's strength also may strike not sound again.
Summary of the invention
The object of the invention is to, provide a kind of intelligent-induction formula doorbell, to solve the problems of the technologies described above.
Technical matters solved by the invention can realize by the following technical solutions:
Intelligent-induction formula doorbell, comprises a shell, and electric power system, it is characterized in that, also comprises a microprocessor system, and described electric power system connects the power supply port of described microprocessor system;
Also comprise at least one in a vibration transducer, a sound transducer, and a Shaking switch;
At least one in described vibration transducer, described sound transducer connects at least one signal input part of described microprocessor system;
Described Shaking switch connects another signal input part of described microprocessor system;
Also be provided with a sonification system, described sonification system communicates to connect described microprocessor system signal output part.
By above-mentioned design, allow to gather vibration signal or voice signal respectively by vibration transducer or sound transducer, be transferred to microprocessor system, and then make microprocessor system possess the accurate data basis judging tap-tap, and then accurately judge.Allow, when judging there is tap-tap, to start sonification system and send doorbell voice prompt.
Whether described Shaking switch, exist for perception door and rock, when door existence is rocked, and restriction sonification system sounding.Door, after closedown, because be subject to the restriction of doorframe and wall, be obviously difficult to produce and obviously rock.Door exists when obviously rocking, and is obviously to exist to open wide, opening or closing.In these processes, all do not need to excite doorbell sounding.Therefore by the setting of Shaking switch, by the shielding of these situations outside the situation exciting doorbell sounding, greatly reduce the data analysis difficulty of software, and then reduce equipment cost, and reduce energy consumption.
Described Shaking switch comprises two electrodes, and one relative to the movable part of at least one electrode activity, in the movement travel of described movable part, comprises the state simultaneously connecting two electrodes, and state unconnected with one of them electrode.So that in movement travel, there are two electrode conductions, and the state of not conducting.
The weight of described movable part is greater than 0.05 gram.So that ensure that there is larger inertia.The weight of described movable part is less than 3 grams.To avoid producing strong shock, cause damage.
Described Shaking switch adopts spring Shaking switch, and described movable part is spring, and one end of spring is fixedly connected with one of them electrode, and the other end of spring and another electrode active are dynamically connected.
One end of spring activity, is provided with counterweight.One improves inertia.
Described Shaking switch adopts ball-type Shaking switch, and described movable part is a ball, is provided with the position that a spacing is less than ball diameter between two electrodes.So that when ball is rolled into the position being less than diameter, two electrode conductions.
Described Shaking switch adopts mercury formula Shaking switch, and described movable part is a mercury bead, is provided with the position that a spacing is less than mercury bead diameter between two electrodes.So that when mercury bead is rolled into the position being less than diameter, two electrode conductions.
Mercury formula Shaking switch also comprises a body, and described mercury bead and two electrodes, be arranged in described body.
Described body is preferably glass tube.
Research shows, because mercury bead has the advantages that density is comparatively large, have mobility, have viscosity, the monitoring of mercury formula Shaking switch clamshell doors has the characteristic being obviously better than other sensors.Such as when wind is rocked to door, shaking amplitude is less for enabling, but dynamics of rocking is larger.Other sensors are difficult to differentiate.But mercury bead has viscosity, when shaking amplitude is less, even if dynamics of rocking is comparatively large, also can be bonded at initiating terminal, and roll.Achieve good resolution.
Again because mercury bead has the larger feature of density, so inertia is larger.Again because mercury bead has the feature of mobility, so resistance is less.And then, even if pushing the door open gently, or close when visiting, mercury bead also can be impelled significantly to move, and then trigger mercury formula Shaking switch, realize switch gate accurately and detect.
Also market can be adopted to have spring Shaking switch, ball Shaking switch, the mercury Shaking switch of sale, etc. the Shaking switch of type.
Described ball-type Shaking switch is provided with a tubular housing, and described ball is arranged in described tubular housing.
In using, described housing vertical is placed, the length direction of described tubular housing, with the angle of surface level for being greater than 1 degree, is less than 45 degree.Be preferably, be greater than 1 degree, be less than 20 degree.
Or the side that described shell and door are fitted, is considered as bottom; It is forward the thickness direction of shell from bottom.The length direction of described tubular housing, with the angle of thickness direction for being greater than 1 degree, is less than 45 degree.Be preferably, be greater than 1 degree, be less than 20 degree.
Mercury formula Shaking switch is provided with a tubular housing, and described mercury bead is arranged in described tubular housing.
In using, described housing vertical is placed, the length direction of described tubular housing, with the angle of surface level for being greater than 0 degree, is less than 45 degree.Be preferably, be greater than 0 degree, be less than 20 degree.
Or the side that described shell and door are fitted, is considered as bottom; It is forward the thickness direction of shell from bottom.The length direction of described tubular housing, with the angle of thickness direction for being greater than 0 degree, is less than 45 degree.Be preferably, be greater than 0 degree, be less than 20 degree.
The described spring of described spring Shaking switch is an extension spring, elastic metallic yarn spiral winding makes the hollow tubular with hollow parts, described spring one end is fixedly connected with an electrode, and another electrode is strip shaped electric poles, and strip shaped electric poles inserts the hollow parts of described spring.
In using, described housing vertical is placed, the length direction of described spring, with the angle of vertical direction for being greater than 1 degree, is less than 45 degree.Be preferably, be greater than 1 degree, be less than 20 degree.
Can be that described sonification system, electric power system, microprocessor system, vibration transducer and a sound transducer are arranged in the enclosure.
In shell, described Shaking switch can also be set.
Be provided with Shaking switch positioning element in shell, described Shaking switch is fixed on described Shaking switch positioning element.To limit position.
Shaking switch positioning element can be a draw-in groove being arranged on outer casing inner wall, or buckle.
Can also be that described electric power system, microprocessor system, vibration transducer and a sound transducer are arranged in the enclosure, do not arrange described sonification system in described shell.
Can also be, described electric power system, microprocessor system, vibration transducer and a sound transducer are arranged in the enclosure, described sonification system is arranged on outside described shell, described sonification system is provided with radio receiver, and described microprocessor system signal output part is connected with wireless signal transmitting device; Described microprocessor system signal output part is connected by wireless signal with described sonification system.Realize being separated of sonification system and other assemblies.So that sonification system is arranged on other rooms flexibly, is convenient to doorbell sound and accurately sends to.
Described wireless signal transmitting device is preferably bluetooth module or wifi module.
Described radio receiver is preferably bluetooth module or wifi module.
Described sonification system can be mobile phone, and described radio receiver is bluetooth module or wifi module, communicates to connect with the bluetooth module in mobile phone or wifi module, and described sonification system adopts the loudspeaker of mobile phone as pronunciation device.
Described microprocessor system can adopt Single Chip Microcomputer (SCM) system or ARM system.Or other similar minicomputer systems.
Described sonification system comprises a Music Clip and a loudspeaker, and described Music Clip is provided with controlled end and audio signal output terminal, and described controlled end connects the signal output part of described microprocessor system, and described audio signal output terminal connects described loudspeaker.The music in Music Clip play by loudspeaker.
Described Music Clip is preferably the speech chip that has phonetic function.So that realize speech play, improve experience effect.
Or, described sonification system comprises a music circuit plate and a loudspeaker, described music circuit plate is provided with controlled end and audio signal output terminal, and described controlled end connects the signal output part of described microprocessor system, and described audio signal output terminal connects described loudspeaker.Music circuit plate can save a large amount of peripheral components relative to Music Clip, has the advantages such as cost is low, good stability.
Also can be that the signal output part of described microprocessor system connects loudspeaker by a signal amplifier.The music information stored in microprocessor system play by loudspeaker.
Described vibration transducer can adopt at least one in electrodynamic type, piezoelectric type, electric vortex type, inductance type, condenser type, resistance-type, photoelectric vibrating sensor.
Be preferably, described vibration transducer adopts piezoelectric vibration pickup.
Be preferably, described vibration transducer adopts piezoceramic transducer.
Described piezoceramic transducer comprises a piezoelectric ceramic piece, and described piezoelectric ceramic piece comprises metal substrate and is attached to the ceramic layer on metal substrate;
Described metal substrate is fixed on a support.
Described piezoelectric ceramic piece at least one side is fixed with a counterweight.When piezoelectric ceramic piece shakes, because the inertia of counterweight exists, increase the transverse strength of piezoelectric ceramic piece, and then increase output signal strength.Thus greatly improve sensing sensitivity.
Counterweight can be fixed on metal substrate, also can be fixed on ceramic layer.
Described counterweight is set to, and is greater than 1 square millimeter with piezoelectric ceramic piece contact area, is less than 10 square millimeters.
The quality of described counterweight is be greater than 0.3 gram.To produce distortion by inertia.Experiment shows, based on the reason of existing piezoelectric ceramic piece thickness and intensity, is less than the counterweight of 0.3 gram, is difficult to strengthen sensitivity.
The quality of described counterweight is be greater than 0.3 gram, is less than 5 grams.Experiment shows, based on the reason of existing piezoelectric ceramic piece thickness and intensity, be greater than the counterweight of 5 grams, Long-Time Service can cause piezoelectric ceramic piece torsional deformation, and then impact uses.But also the sensitive wave band of detection sound wave can be caused obviously to offset.
Described counterweight can be the wherein one in metal material, glass material, stone material, ceramic material.
Described counterweight and piezoelectric ceramic piece bond, and counterweight is provided with depression at adhesive surface, or hole.So that strengthen bonding firmness.
Described fixed support can be a groove, piezoelectric ceramic piece support by groove walls.
Described fixed support can be at least three fulcrums, piezoelectric ceramic piece support by least three fulcrums.
Described fixed support can be bent by the extension of metal substrate and form.
Described fixed support can also adopt at least two bonding jumpers, and at least two bonding jumpers are welded on described metal substrate, and upwards or downwards bend together.
Described shock sensor is arranged on a circuit board, is fixed on described circuit board by described fixed support.
Can be that described piezoelectric ceramic piece is fixed on a circuit board further, fixed form be, described piezoelectric ceramic piece is welded with at least two bonding jumpers, and at least two bonding jumpers to the bending of circuit board direction, and are fixed on circuit boards.More preferably two bonding jumpers weld on circuit boards less.
Described vibration transducer connects a comparator circuit; Described comparator circuit comprises a comparer or an integrated operational amplifier, and a reference voltage circuit;
Described comparer is provided with a reference voltage input and a comparison signal input end, and described reference voltage input connects the voltage output end of described reference voltage circuit, and described comparison signal input end connects the signal output part of vibration transducer.Thus by the vibration signal digitizing of vibration transducer output.
Described reference voltage circuit is provided with a reference voltage adjusting resistance, and described reference voltage adjusting resistance is an adjustable resistance.The knob of adjustable resistance is arranged in the enclosure.
Described sound transducer can adopt microphone.More preferably condenser type Electret condenser microphone.
Described sound transducer connects a comparator circuit; Described comparator circuit comprises a comparer and a reference voltage circuit;
Described comparer is provided with a reference voltage input and a comparison signal input end, and described reference voltage input connects the voltage output end of described reference voltage circuit, and described comparison signal input end connects the signal output part of sound transducer.Thus by the vibration signal digitizing of sound transducer output.
Described reference voltage circuit is provided with a reference voltage adjusting resistance, and described reference voltage adjusting resistance is an adjustable resistance.The knob of adjustable resistance is arranged in the enclosure.
By above-mentioned design, judged by sound size, and reduce even completely not in consideration tonequality and tone color, and then reduce the signal transacting difficulty of system sounds identification.
Described loudspeaker adopts the loudspeaker of 0.2w ~ 2w.
Described microprocessor system is also connected with one emitting led.
Inside the emitting led opal be attached on door.For illuminating opal, thus guest is outdoors made to obtain visual alerts.
Described shell is provided with the transparent cover of a projection, is describedly emitting ledly arranged on transparent cover rear or below.
Transparent cover is attached to inside the opal on door.For illuminating opal, thus guest is outdoors made to obtain visual alerts.
Described shell rear is provided with the stationary installation for being fixed on door.
Described stationary installation can be sucker, hook or bonding coat.Be preferably bonding coat, more preferably non-drying glue layer or seamless glue-line.
The light transmission part of described transparent cover is towards described shell rear.
The height that described transparent cover protrudes is 0.5 ~ 3cm.
In other words, described in described transparent cover distance from top, the height of shell is 0.5 ~ 3cm.
Described loudspeaker is connected with a level setting switches, and described level setting switches adopts toggle switch, and do not adopt rotating switch, the gear of toggle switch is greater than two grades, is less than five grades.Be preferably third gear.
During third gear, be set to closedown shelves, bass shelves and high pitch shelves.Volume and switch are selected.
Described shell comprises box body and upper cover, is provided with opening above described box body, and described upper cover lid over said opening; The described shell left and right sides is respectively equipped with slide rail, and described box body and described upper cover are slidably connected by slide rail.
In described box body and described upper cover, one of them edge is provided with outside projection, is called outer lug, and another edge is provided with inside projection, is called internal projection; In described outer lug and described internal projection, one of them is strip; And then after described outer lug and the engagement of described internal projection, form slide rail described in, and then described box body and described upper cover are slidably connected.
Described box body and the upper cover left and right sides are equipped with slide rail.So that balance is slided.
Described upper cover front end, is provided with the flanging of bending downwards, and flanging rear is provided with a projection.By flanging and projection, limit the sliding distance of upper cover.
Below described upper cover, relative to described projection, the part closer to front end is provided with the small embossment that is highly less than described projection.By small embossment, upper cover position is fixed, avoids, after the lid that closes, being still free to slide.
Above the box wall of described box body front end, with the distance below upper cover, be less than the height of described small embossment.Both differences, for being greater than 1mm, are less than 5mm.
Distance between described small embossment and described flanging, is more than or equal to thickness above box wall.And be less than 3 times of thickness above box wall.So that after the lid that closes, restriction upper cover rocks.
Described box body rear end is provided with battery case.
Distance between described flanging and projection is greater than 1/2nd of battery case width, is less than 1.5 times of battery case width.So that expose battery case after scratching upper cover, and avoid too much exposed circuits element.
Ventilative part is provided with between described upper cover and described box body.For by the transfer voice of the loudspeaker in box body to extraneous.
Be covered with downward flanging on described, described flanging shelters from ventilative part.To ensure aesthetic property.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present invention;
Fig. 2 is a kind of structural representation of piezoelectric ceramic piece of the present invention;
Fig. 3 is a kind of structural representation that the present invention is provided with fixed support piezoelectric ceramic piece;
Fig. 4 is the schematic cross-section that the present invention is provided with fixed support piezoelectric ceramic piece;
Fig. 5 is the support bracket fastened a kind of structural representation of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below in conjunction with concrete diagram.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, intelligent-induction formula doorbell, comprises a shell, and electric power system 2, also comprises a microprocessor system 1, and electric power system 2 connects the power supply port of microprocessor system 1; Also comprise at least one in vibration transducer 4, sound transducer 5, and a Shaking switch 6; At least one in vibration transducer 4, sound transducer 5 connects at least one signal input part of microprocessor system 1; Shaking switch 6 connects another signal input part of microprocessor system 1; Also be provided with a sonification system 3, sonification system 3 communicates to connect microprocessor system 1 signal output part.By above-mentioned design, allow to gather vibration signal or voice signal respectively by vibration transducer 4 or sound transducer 5, be transferred to microprocessor system 1, and then make microprocessor system 1 possess the accurate data basis judging tap-tap, and then accurately judge.Allow, when judging there is tap-tap, to start sonification system 3 and send doorbell voice prompt.Whether Shaking switch 6, exist for perception door and rock, when door existence is rocked, and restriction sonification system 3 sounding.Door, after closedown, because be subject to the restriction of doorframe and wall, be obviously difficult to produce and obviously rock.Door exists when obviously rocking, and is obviously to exist to open wide, opening or closing.In these processes, all do not need to excite doorbell sounding.Therefore by the setting of Shaking switch 6, by the shielding of these situations outside the situation exciting doorbell sounding, greatly reduce the data analysis difficulty of software, and then reduce equipment cost, and reduce energy consumption.
Shaking switch 6 comprises two electrodes, and one relative to the movable part of at least one electrode activity, in the movement travel of movable part, comprises the state simultaneously connecting two electrodes, and state unconnected with one of them electrode.So that in movement travel, there are two electrode conductions, and the state of not conducting.The weight of movable part is greater than 0.05 gram.So that ensure that there is larger inertia.The weight of movable part is less than 3 grams.To avoid producing strong shock, cause damage.
Shaking switch 6 adopts spring Shaking switch, and movable part is spring, and one end of spring is fixedly connected with one of them electrode, and the other end of spring and another electrode active are dynamically connected.One end of spring activity, is provided with counterweight.One improves inertia.
Shaking switch 6 adopts ball-type Shaking switch, and movable part is a ball, is provided with the position that a spacing is less than ball diameter between two electrodes.So that when ball is rolled into the position being less than diameter, two electrode conductions.
Shaking switch 6 adopts mercury formula Shaking switch, and movable part is a mercury bead, is provided with the position that a spacing is less than mercury bead diameter between two electrodes.So that when mercury bead is rolled into the position being less than diameter, two electrode conductions.Also market can be adopted to have spring Shaking switch, ball Shaking switch, the mercury Shaking switch of sale, etc. the Shaking switch of type.
Ball-type Shaking switch is provided with a tubular housing, and ball is arranged in tubular housing.In using, housing vertical is placed, the length direction of tubular housing, with the angle of surface level for being greater than 1 degree, is less than 45 degree.Be preferably, be greater than 1 degree, be less than 20 degree.Or the side that shell and door are fitted, is considered as bottom; It is forward the thickness direction of shell from bottom.The length direction of tubular housing, with the angle of thickness direction for being greater than 1 degree, is less than 45 degree.Be preferably, be greater than 1 degree, be less than 20 degree.
Mercury formula Shaking switch is provided with a tubular housing, and mercury bead is arranged in tubular housing.In using, housing vertical is placed, the length direction of tubular housing, with the angle of surface level for being greater than 0 degree, is less than 45 degree.Be preferably, be greater than 0 degree, be less than 20 degree.Or the side that shell and door are fitted, is considered as bottom; It is forward the thickness direction of shell from bottom.The length direction of tubular housing, with the angle of thickness direction for being greater than 0 degree, is less than 45 degree.Be preferably, be greater than 0 degree, be less than 20 degree.
Mercury formula Shaking switch also comprises a body, and mercury bead and two electrodes, be arranged in body.Body is preferably glass tube.
Research shows, because mercury bead has the advantages that density is comparatively large, have mobility, have viscosity, the monitoring of mercury formula Shaking switch clamshell doors has the characteristic being obviously better than other sensors.Such as when wind is rocked to door, shaking amplitude is less for enabling, but dynamics of rocking is larger.Other sensors are difficult to differentiate.But mercury bead has viscosity, when shaking amplitude is less, even if dynamics of rocking is comparatively large, also can be bonded at initiating terminal, and roll.Achieve good resolution.
Again because mercury bead has the larger feature of density, so inertia is larger.Again because mercury bead has the feature of mobility, so resistance is less.And then, even if pushing the door open gently, or close when visiting, mercury bead also can be impelled significantly to move, and then trigger mercury formula Shaking switch, realize switch gate accurately and detect.
The spring of spring Shaking switch is an extension spring, and elastic metallic yarn spiral winding makes the hollow tubular with hollow parts, and spring one end is fixedly connected with an electrode, and another electrode is strip shaped electric poles, and strip shaped electric poles inserts the hollow parts of spring.In using, housing vertical is placed, the length direction of spring, with the angle of vertical direction for being greater than 1 degree, is less than 45 degree.Be preferably, be greater than 1 degree, be less than 20 degree.
Can be that sonification system 3, electric power system 2, microprocessor system 1, vibration transducer 4 and a sound transducer 5 are arranged in the enclosure.
In shell, Shaking switch 6 can also be set.
Be provided with Shaking switch positioning element in shell, Shaking switch 6 is fixed on Shaking switch positioning element.To limit position.
Shaking switch positioning element can be a draw-in groove being arranged on outer casing inner wall, or buckle.
Can also be that electric power system 2, microprocessor system 1, vibration transducer 4 and a sound transducer 5 arrange in the enclosure, do not arrange sonification system 3 in shell.
Can also be, electric power system 2, microprocessor system 1, vibration transducer 4 and a sound transducer 5 arrange in the enclosure, sonification system 3 is arranged on outside shell, and sonification system 3 is provided with radio receiver, and microprocessor system 1 signal output part is connected with wireless signal transmitting device; Microprocessor system 1 signal output part is connected by wireless signal with sonification system 3.Realize being separated of sonification system 3 and other assemblies.So that sonification system 3 is arranged on other rooms flexibly, is convenient to doorbell sound and accurately sends to.
Wireless signal transmitting device is preferably bluetooth module or wifi module.Radio receiver is preferably bluetooth module or wifi module.
Sonification system 3 can be mobile phone, and radio receiver is bluetooth module or wifi module, communicates to connect with the bluetooth module in mobile phone or wifi module, and sonification system 3 adopts the loudspeaker of mobile phone as pronunciation device.
Microprocessor system can adopt Single Chip Microcomputer (SCM) system or ARM system.Or other similar minicomputer systems.
Sonification system comprises a Music Clip and a loudspeaker, and Music Clip is provided with controlled end and audio signal output terminal, and controlled end connects the signal output part of microprocessor system, and audio signal output terminal connects loudspeaker.The music in Music Clip play by loudspeaker.Music Clip is preferably the speech chip that has phonetic function.So that realize speech play, improve experience effect.
Or sonification system comprises a music circuit plate and a loudspeaker, and music circuit plate is provided with controlled end and audio signal output terminal, controlled end connects the signal output part of microprocessor system, and audio signal output terminal connects loudspeaker.Music circuit plate can save a large amount of peripheral components relative to Music Clip, has the advantages such as cost is low, good stability.
Also can be that the signal output part of microprocessor system connects loudspeaker by a signal amplifier.The music information stored in microprocessor system play by loudspeaker.
Vibration transducer can adopt at least one in electrodynamic type, piezoelectric type, electric vortex type, inductance type, condenser type, resistance-type, photoelectric vibrating sensor.
Be preferably, vibration transducer adopts piezoelectric vibration pickup.
Be preferably, vibration transducer adopts piezoceramic transducer.
See Fig. 2, Fig. 3, Fig. 4, Fig. 5, piezoceramic transducer comprises a piezoelectric ceramic piece, the ceramic layer 8 that piezoelectric ceramic piece comprises metal substrate 9 and is attached on metal substrate; Metal substrate is fixed on a support.
Piezoelectric ceramic piece at least one side is fixed with a counterweight.When piezoelectric ceramic piece shakes, because the inertia of counterweight exists, increase the transverse strength of piezoelectric ceramic piece, and then increase output signal strength.Thus greatly improve sensing sensitivity.
Counterweight can be fixed on metal substrate, also can be fixed on ceramic layer.
Counterweight is set to, and is greater than 1 square millimeter with piezoelectric ceramic piece contact area, is less than 10 square millimeters.
The quality of counterweight is be greater than 0.3 gram.To produce distortion by inertia.Experiment shows, based on the reason of existing piezoelectric ceramic piece thickness and intensity, is less than the counterweight of 0.3 gram, is difficult to strengthen sensitivity.
Further, the quality of counterweight is be greater than 0.3 gram, is less than 5 grams.Experiment shows, based on the reason of existing piezoelectric ceramic piece thickness and intensity, be greater than the counterweight of 5 grams, Long-Time Service can cause piezoelectric ceramic piece torsional deformation, and then impact uses.But also the sensitive wave band of detection sound wave can be caused obviously to offset.
Counterweight can be the wherein one in metal material, glass material, stone material, ceramic material.Counterweight and piezoelectric ceramic piece bond, and counterweight is provided with depression at adhesive surface, or hole.So that strengthen bonding firmness.
Fixed support can be a groove, piezoelectric ceramic piece support by groove walls.
Fixed support can be at least three fulcrums, piezoelectric ceramic piece support by least three fulcrums.
Fixed support can be bent by the extension of metal substrate and form.Fixed support can also adopt at least two bonding jumpers 10, and at least two bonding jumpers 10 are welded on metal substrate 9, and upwards or downwards bend together.Shock sensor is arranged on a circuit board, fixing on circuit boards by fixed support.
Can be that piezoelectric ceramic piece is fixed on a circuit board further, fixed form be, piezoelectric ceramic piece is welded with at least two bonding jumpers, and at least two bonding jumpers to the bending of circuit board direction, and are fixed on circuit boards.More preferably two bonding jumpers weld on circuit boards less.
Vibration transducer connects a comparator circuit; Comparator circuit comprises a comparer or an integrated operational amplifier, and a reference voltage circuit; Comparer is provided with a reference voltage input and a comparison signal input end, and reference voltage input connects the voltage output end of reference voltage circuit, and comparison signal input end connects the signal output part of vibration transducer.Thus by the vibration signal digitizing of vibration transducer output.
Reference voltage circuit is provided with a reference voltage adjusting resistance, and reference voltage adjusting resistance is an adjustable resistance.The knob of adjustable resistance is arranged in the enclosure.
Sound transducer can adopt microphone.More preferably condenser type Electret condenser microphone.
Sound transducer connects a comparator circuit; Comparator circuit comprises a comparer and a reference voltage circuit; Comparer is provided with a reference voltage input and a comparison signal input end, and reference voltage input connects the voltage output end of reference voltage circuit, and comparison signal input end connects the signal output part of sound transducer.Thus by the vibration signal digitizing of sound transducer output.
Reference voltage circuit is provided with a reference voltage adjusting resistance, and reference voltage adjusting resistance is an adjustable resistance.The knob of adjustable resistance is arranged in the enclosure.By above-mentioned design, judged by sound size, and reduce even completely not in consideration tonequality and tone color, and then reduce the signal transacting difficulty of system sounds identification.
Loudspeaker adopts the loudspeaker of 0.2w ~ 2w.Microprocessor system is also connected with one emitting led.
Inside the emitting led opal be attached on door.For illuminating opal, thus guest is outdoors made to obtain visual alerts.Shell is provided with the transparent cover of a projection, is emitting ledly arranged on transparent cover rear or below.Transparent cover is attached to inside the opal on door.For illuminating opal, thus guest is outdoors made to obtain visual alerts.Shell rear is provided with the stationary installation for being fixed on door.Stationary installation can be sucker, hook or bonding coat.Be preferably bonding coat, more preferably non-drying glue layer or seamless glue-line.The light transmission part of transparent cover is towards shell rear.The height that transparent cover protrudes is 0.5 ~ 3cm.In other words, the height of transparent cover distance from top shell is 0.5 ~ 3cm.
Loudspeaker is connected with a level setting switches, and level setting switches adopts toggle switch, and do not adopt rotating switch, the gear of toggle switch is greater than two grades, is less than five grades.Be preferably third gear.During third gear, be set to closedown shelves, bass shelves and high pitch shelves.Volume and switch are selected.
Shell comprises box body and upper cover, is provided with opening above box body, and upper cover covers on opening; The shell left and right sides is respectively equipped with slide rail, and box body and upper cover are slidably connected by slide rail.In box body and upper cover, one of them edge is provided with outside projection, is called outer lug, and another edge is provided with inside projection, is called internal projection; In outer lug and internal projection, one of them is strip; And then outer lug and internal projection engagement after, form a slide rail, and then box body and upper cover be slidably connected.Box body and the upper cover left and right sides are equipped with slide rail.So that balance is slided.Upper cover front end, is provided with the flanging of bending downwards, and flanging rear is provided with a projection.By flanging and projection, limit the sliding distance of upper cover.Below upper cover, relative to projection, the part closer to front end is provided with one and is highly less than protruding small embossment.By small embossment, upper cover position is fixed, avoids, after the lid that closes, being still free to slide.Above the box wall of box body front end, with the distance below upper cover, be less than the height of small embossment.Both differences, for being greater than 1mm, are less than 5mm.Distance between small embossment and flanging, is more than or equal to thickness above box wall.And be less than 3 times of thickness above box wall.So that after the lid that closes, restriction upper cover rocks.
Box body rear end is provided with battery case.Distance between flanging and projection is greater than 1/2nd of battery case width, is less than 1.5 times of battery case width.So that expose battery case after scratching upper cover, and avoid too much exposed circuits element.Ventilative part is provided with between upper cover and box body.For by the transfer voice of the loudspeaker in box body to extraneous.On be covered with downward flanging, flanging shelters from ventilative part.To ensure aesthetic property.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. intelligent-induction formula doorbell, comprises a shell, and electric power system, it is characterized in that, also comprises a microprocessor system, and described electric power system connects the power supply port of described microprocessor system;
Also comprise at least one in a vibration transducer, a sound transducer, and a Shaking switch;
At least one in described vibration transducer, described sound transducer connects at least one signal input part of described microprocessor system;
Described Shaking switch connects another signal input part of described microprocessor system;
Also be provided with a sonification system, described sonification system communicates to connect described microprocessor system signal output part.
2. intelligent-induction formula doorbell according to claim 1, it is characterized in that: described Shaking switch comprises two electrodes, and one relative to the movable part of at least one electrode activity, in the movement travel of described movable part, comprise the state simultaneously connecting two electrodes, and state unconnected with one of them electrode.
3. intelligent-induction formula doorbell according to claim 2, is characterized in that: the weight of described movable part is greater than 0.05 gram.
4. intelligent-induction formula doorbell according to claim 2, it is characterized in that: described Shaking switch adopts spring Shaking switch, described movable part is spring, and one end of spring is fixedly connected with one of them electrode, and the other end of spring and another electrode active are dynamically connected.
5. intelligent-induction formula doorbell according to claim 2, is characterized in that: described Shaking switch adopts ball-type Shaking switch, and described movable part is a ball, is provided with the position that a spacing is less than ball diameter between two electrodes.
6. intelligent-induction formula doorbell according to claim 4, it is characterized in that: the described spring of described spring Shaking switch is an extension spring, elastic metallic yarn spiral winding makes the hollow tubular with hollow parts, described spring one end is fixedly connected with an electrode, another electrode is strip shaped electric poles, and strip shaped electric poles inserts the hollow parts of described spring.
7. intelligent-induction formula doorbell according to claim 1, is characterized in that: described vibration transducer connects a comparator circuit; Described comparator circuit comprises a comparer or an integrated operational amplifier, and a reference voltage circuit;
Described comparer is provided with a reference voltage input and a comparison signal input end, and described reference voltage input connects the voltage output end of described reference voltage circuit, and described comparison signal input end connects the signal output part of vibration transducer.
8. intelligent-induction formula doorbell according to claim 1, is characterized in that: described sound transducer connects a comparator circuit; Described comparator circuit comprises a comparer and a reference voltage circuit;
Described comparer is provided with a reference voltage input and a comparison signal input end, and described reference voltage input connects the voltage output end of described reference voltage circuit, and described comparison signal input end connects the signal output part of sound transducer.
9. the intelligent-induction formula doorbell according to claim 7 or 8, is characterized in that: described reference voltage circuit is provided with a reference voltage adjusting resistance, and described reference voltage adjusting resistance is an adjustable resistance.
10. intelligent-induction formula doorbell according to claim 1, is characterized in that: described shell is provided with the transparent cover of a projection, is describedly emitting ledly arranged on transparent cover rear or below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510514627.3A CN105389906A (en) | 2014-08-20 | 2015-08-20 | Intelligent inductive doorbell |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472178 | 2014-08-20 | ||
| CN2014204721781 | 2014-08-20 | ||
| CN201510514627.3A CN105389906A (en) | 2014-08-20 | 2015-08-20 | Intelligent inductive doorbell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105389906A true CN105389906A (en) | 2016-03-09 |
Family
ID=55376297
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510175496.0A Pending CN105374137A (en) | 2014-08-20 | 2015-04-14 | Inductive doorbell trigger system |
| CN201510514627.3A Withdrawn CN105389906A (en) | 2014-08-20 | 2015-08-20 | Intelligent inductive doorbell |
| CN201520631861.XU Active CN205177023U (en) | 2014-08-20 | 2015-08-20 | Knock on door recognition device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510175496.0A Pending CN105374137A (en) | 2014-08-20 | 2015-04-14 | Inductive doorbell trigger system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520631861.XU Active CN205177023U (en) | 2014-08-20 | 2015-08-20 | Knock on door recognition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN105374137A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374136A (en) * | 2014-08-28 | 2016-03-02 | 上海本星电子科技有限公司 | Knocking sound identification doorbell wakeup system |
| CN106600859A (en) * | 2017-02-05 | 2017-04-26 | 肖志尧 | Energy-saving doorbell based on piezoelectric principle |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401429A (en) * | 2016-08-31 | 2017-02-15 | 佛山市荣高智能科技有限公司 | Integrated door-leaf doorbell system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4628213A (en) * | 1985-08-09 | 1986-12-09 | General Signal Corporation | Electronic circuits for driving bells or electromagnetic devices |
| CN1099659C (en) * | 1998-08-26 | 2003-01-22 | 林文贤 | Burglary-resisting alarm door bell |
| CN202230553U (en) * | 2010-09-14 | 2012-05-23 | 上海科斗电子科技有限公司 | Wireless percussive doorbell |
| CN102402895A (en) * | 2010-09-17 | 2012-04-04 | 深圳市普天文科技有限公司 | Capacitance type touch sounding globe |
| CN102747865A (en) * | 2011-04-19 | 2012-10-24 | 青岛三链锁业有限公司 | Sensing type door lock |
| CN204117226U (en) * | 2014-06-13 | 2015-01-21 | 上海科斗电子科技有限公司 | Doorbell intelligence activating system |
-
2015
- 2015-04-14 CN CN201510175496.0A patent/CN105374137A/en active Pending
- 2015-08-20 CN CN201510514627.3A patent/CN105389906A/en not_active Withdrawn
- 2015-08-20 CN CN201520631861.XU patent/CN205177023U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374136A (en) * | 2014-08-28 | 2016-03-02 | 上海本星电子科技有限公司 | Knocking sound identification doorbell wakeup system |
| CN106033634A (en) * | 2014-08-28 | 2016-10-19 | 上海本星电子科技有限公司 | Doorbell with shaking switch |
| CN106600859A (en) * | 2017-02-05 | 2017-04-26 | 肖志尧 | Energy-saving doorbell based on piezoelectric principle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105374137A (en) | 2016-03-02 |
| CN205177023U (en) | 2016-04-20 |
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Application publication date: 20160309 |