CN106056805A - Inductive doorbell triggering system - Google Patents

Abstract

The invention relates to the field of electronics, and particularly relates to a doorbell excitation system. The inductive doorbell triggering system comprises a shell and a power supply system. The inductive doorbell triggering system is characterized by further comprising a capacitive touch chip. The capactive touch ship is provided with a signal output end and a touch sensing end, wherein the signal output end is connected with a signal input end of a microprocessor system, and the touch sensing end is led out to the external part of the shell and used for being close to a metal door sheet. Furthermore, the touch sensing end is used for sensing the touch or knock of a hand on the metal door sheet. When a person touches or knocks the metal door sheet by the hand, the capacitive touch chip acquires a touch sensing signal through the touch sensing end and sends the signal to the microprocessor system. Through the design disclosed by the invention, the microprocessor system acquires a knocking action of people.

Description

Inductance type doorbell triggers system

Technical field

The present invention relates to electronic applications, be specifically related to doorbell activating system.

Background technology

Doorbell can send sound prompting owner has people to come to visit, and receives extensively application in life now. But, owing to the installation site of doorbell is difficult to find or the habit problem of people, most of the time people Or go to knock at the door with hands.Along with the development of sound insulation technology, the soundproof effect of door is become better and better, then is gone with hands Knocking at the door, the owner in room may can't hear, and some have employed special material, even if again Put forth one's strength to be likely to strike and do not ring.

Summary of the invention

It is an object of the invention to, it is provided that a kind of inductance type doorbell triggers system, ask solving above-mentioned technology Topic.

Technical problem solved by the invention can realize by the following technical solutions:

Inductance type doorbell triggers system, including a shell, and electric power system, it is characterised in that also wrap Including a microprocessor system, described electric power system connects the supply port of described microprocessor system； Described microprocessor system, signal connects one for sending the sonification system of prompt tone of knocking at the door；Outside described Shell is provided with one for the binding face being fitted in metal panels；Also include a capacitance touch chip, described Capacitance touch chip is provided with signal output part and touch sensible end, and signal output part connects miniature process The signal input part of device system, described touch sensible end is drawn in described housing exterior, is used for pressing close to metal Door-plate；And then make, described touch sensible end is for sensing staff to the touch of metal panels or percussion；

When there being people touch with hands or tap metal panels, capacitance touch chip leads to touch sensible end and obtains Touch sensible signal, and send signal to microprocessor system.It can be wired connection that signal connects, Can also be wireless connections.

By above-mentioned design, microprocessor system obtains the action of knocking at the door of people.Because being to be become by electric capacity Change detection to knock at the door action rather than use traditional sound or vibration mode detection to knock at the door action, so inspection Measurement information is little with the dynamics relation knocked at the door, the most completely irrelevant.So people is when knocking at the door, can be no longer Need firmly to be pounded out by door the biggest sound.When being judged as knocking at the door action, carry by being used for sending knocking at the door Show the sonification system of sound, send prompt tone of knocking at the door.Such as send doorbell sound, or other have for prompting The sound that people knocks at the door.

Described touch sensible end is arranged on shell for the binding face fitted with metal panels.

More preferably, described touch sensible end is a resilient metal end of tool.And then it is resilient It is pressed together in metal panels.Ensure pressing tightness degree.Loose contact is produced during avoiding using.

Described capacitance touch chip is one when capacitance variation amount is beyond a setting value, and output is effectively touched Touch the capacitance touch chip of signal.When capacitance variation amount is beyond a setting value, output one effectively touches Signal is to microprocessor system.

When described touch sensible end directly or indirectly accesses a sufficiently large electron source, capacitance can be caused Variable quantity exceeds setting value, and then triggers capacitance touch chip, exports effective touch signal.Sufficiently large Electron source, can be human body.When staff touches or taps metal panels, even having in metal panels Paint, will also result in capacitance touch chip and senses that capacitance changes.

Described setting value, is preferably and accesses the capacitance variation amount that at least 5 kilograms of normal saline cause.Reach To setting value, capacitance touch chip output one effective touch signal is to microprocessor system.To adapt to Child knocks at the door action.

Also set up a upper limit set value, be preferably and access the capacitance caused more than 150 kilograms of normal saline Variable quantity.When exceeding upper limit set value, capacitance touch chip does not export an effective touch signal to micro- Type processor system.To adapt to non-artificial touching metal panels by mistake.

Described binding face is provided with bonding glue-line, and described metal end is positioned at described binding face, and in free state Under, exceed bonding glue-line, and do not covered by bonding glue-line.So that shell is fitted in metal panels After, can automatically metal end be pressed in metal panels.Bonding glue-line can use double faced adhesive tape.

Judge there is the mode one that people knocks at the door:

Described microprocessor system, monitored at least twice from capacitance touch chip in 2 seconds Effectively during touch signal, it is considered as one of satisfied condition having people to knock at the door, or full terms.And then excite Described sonification system sends prompt tone of knocking at the door.

Described microprocessor system, monitors once the effective time touched at capacitance touch chip More than 0.001 second, but during less than 1 second, be considered as the most effectively knocking at the door action.Thus effectively avoid one A little external interference.Interference when such as opening the lock with the key, interference when such as turning the handle.

Described microprocessor system monitored more than or equal to 2 times in 2 seconds, action of effectively knocking at the door, It is considered as meeting the condition having people to knock at the door.And then excite described sonification system to send prompt tone of knocking at the door.

Being further defined to, described microprocessor system monitored more than or equal to 2 times in 2 seconds, but It is less than 5 times, action of effectively knocking at the door, is considered as meeting the condition having people to knock at the door.And then excite described sending out Sound system sends prompt tone of knocking at the door.

Described microprocessor system, in 2 seconds, monitors action of effectively knocking at the door more than or equal to 5 times, It is considered as being unsatisfactory for the condition that someone knocks at the door.And then do not excite described sonification system to send prompt tone of knocking at the door.Keep away Exempt from false triggering.

Judge there is the mode two that people knocks at the door:

Described microprocessor system is monitoring at least 2 effective touch signals generations, and 2 times effective Touch signal interval, was considered as meeting the condition having people to knock at the door less than 0.78 second more than 0.21s.It is considered as meeting sharp Send out prompt tone condition of knocking at the door.And then excite described sonification system to send prompt tone of knocking at the door.

May be arranged as, described microprocessor system is monitoring at least 2 effective touch signals products Raw, and 2 effective touch signals intervals more than 0.11s less than 0.9s, be considered as meeting the condition having people to knock at the door. It is considered as meeting and excites prompt tone condition of knocking at the door.And then excite described sonification system to send prompt tone of knocking at the door.

Described microprocessor system is monitoring at least 3 effective touch signals generations, and 3 times effective Touch signal interval less than 0.79 second more than 0.21s, is considered as meeting and excites prompt tone condition of knocking at the door.

Can also be further arranged to, described microprocessor system is monitoring at least 3 effective touches Signal produces, and 3 effective touch signal intervals are less than 0.9 second more than 0.11s, are considered as meeting exciting and strike Door prompt tone condition.

Described microprocessor system is monitoring more than 5 times intervals more than 0.11s continuously less than 0.9 second Effectively touch signal, is considered as not meeting and excites prompt tone condition of knocking at the door.

It is also possible that described microprocessor system by two minor ticks more than 0.11s, effective less than 0.98s Touch signal, is considered as continuous effective touch signal.The number of times of continuous effective touch signal is more than or equal to 3 times, Less than or equal to 5 times, it is considered as meeting and excites prompt tone condition of knocking at the door.

Further, it is possible to by two minor ticks more than 0.2s, less than effective touch signal of 0.8s, be considered as even Continuous effective touch signal.Described microprocessor system meets and excites monitoring effective touch signal number of times After prompt tone condition of knocking at the door, continuing monitoring and be more than 0.5s, less than a time period of 1s, this time period claims For waiting period, if not having new effective touch signal to produce in waiting period, start sounding system System sends sound.Waiting period, more preferably 0.7s～0.9s.

If there being new effective touch signal to produce, the most not starting sonification system and sending sound, continuing monitoring is No effective touch signal produces, until producing without new effective touch signal, or until effectively touches Signal produces number of times and has been above maximum set value.This maximum set value can be 5 times.

If not having effective touch signal to produce in monitoring waiting period, and effectively touch signal produces secondary When number is not above maximum set value, then starts sonification system and send sound.Letter is effectively touched monitoring Number produce number of times when having been above setting value, the most do not start sonification system and send sound.

Described microprocessor system is also associated with Shaking switch, and Shaking switch is arranged in described shell. After Shaking switch triggers, microprocessor system limits sonification system more than 6 seconds.And it is preferably 18 seconds Below.Because shell links with metal panels, so detecting when Shaking switch triggers, necessarily metal When door-plate rocks, be substantially when metal panels is rocked be in enabling or close door state time.Open the door or In person closes the door 5 seconds of action, there is guest if doorway, it can be seen that, it is not necessary to doorbell is reminded.

It addition, opening the door or at closing time, needing the tactile metal panels that catches.When closing the door or open the door It is necessarily required to contacting metal door-plate, or the metal parts being connected with metal panels.It is difficult to ensure that will not make Become false triggering.Limit more than 5 seconds sounding, the false triggering that people causes when closing the door or open the door can be avoided.

The mode limiting sonification system sounding is that microprocessor system no longer responds having of signal input part Effect touch signal；Or it is that microprocessor system turns off the power supply of capacitance touch chip and connects；Or Person is, microprocessor system software is adjusted to, even if being judged as effectively knocking at the door action, and accords with Close other and excite when knocking at the door prompt tone condition, also locking signal output part, make sonification system not sounding.

Described microprocessor system is also connected with an anti-theft switch.It is described micro-that described antitheft breakdown closes connection One signal input part of type processor system, when described anti-theft switch triggers, microprocessor system is entered Enter anti-theft modes.Anti-theft switch can be hardware switch, it is also possible to be to realize a software switch by software.

Described anti-theft modes is, triggers alarm at described Shaking switch.When being in anti-theft modes, use Family should be door close.When door is agreed to open without user, inductance type doorbell triggers system by shaking The detection trigger of dynamic switch arrives, and then notifies user by sound or other modes.

This anti-theft modes, relative to burglary-resisting system based on tongue tube, have structure the simplest, peace Fill more convenient, installation environment and the advantage such as installation site is freer.

Described anti-theft switch triggers, and after entering anti-theft modes, has more than 5 seconds time to be in restriction and triggers shape State, is limiting triggering state, even if Shaking switch triggers, is not reporting to the police.So that the time of leaving allows use Close the door in family.The time being in restriction triggering state is preferably 11～29 seconds.To adapt to the living habit of people. Described anti-theft switch can be a sensing soft-touch control, it is also possible to be a press button.

Triggering described anti-theft switch, when entering anti-theft modes, microprocessor system, excite connection Generating device sends sound, or the luminescent device connected is luminous.Activate with prompting user's anti-theft modes.

In described anti-theft modes, again trigger described anti-theft switch, release anti-theft modes.

Concrete software flow can be, microprocessor system after receiving the excitation signal of anti-theft switch, Proceed to anti-theft modes, after entering anti-theft modes, have more than 5 seconds time to be in restriction triggering state, After restriction triggering state terminates, the triggering situation of monitoring Shaking switch.After Shaking switch triggers, carry out Report to the police.The mode reported to the police can be by microphone device sounding alarm.Can also be to be sent out by wireless system Penetrate wireless signal to report to the police.

In anti-theft modes, again trigger anti-theft switch or other release antitheft switch, then release anti- Robber's pattern.No longer report to the police.

Described Shaking switch includes two electrodes, and a movable part movable relative at least one electrode Part, in the movement travel of described movable part, including being simultaneously connected with the state of two electrodes, and with wherein One unconnected state of electrode.So that in movement travel, there are two electrode conductions, and do not lead Logical state.The weight of described movable part is more than 0.06 gram.So that ensureing that there is bigger inertia. The weight of described movable part is less than 2.5 grams.To avoid producing too strong shock, cause damage.

Described Shaking switch uses spring Shaking switch, and described movable part is spring, one end of spring Fixing with one of them electrode and be connected, the other end of spring is dynamically connected with another electrode active.Spring activity One end, is provided with counterweight.One improves inertia.

Described Shaking switch uses ball-type Shaking switch, and described movable part is a ball, two electrodes Between be provided with a position being smaller than ball diameter.During so that ball is rolled into the position less than diameter, two Individual electrode conduction.

Described Shaking switch uses hydrargyrum formula Shaking switch, and described movable part is a mercury bead, two electricity Interpolar is provided with a position being smaller than mercury bead diameter.So that mercury bead is rolled into the position less than diameter Time, two electrode conductions.

Spring Shaking switch that market sold, ball Shaking switch, hydrargyrum can also be used to rock out Close, 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, and the length direction of described tubular housing, with the folder of horizontal plane Angle is more than 1.1 degree, less than 44 degree.It is preferably, more than 1.2 degree, less than 18 degree.

Or, described shell and the side of door laminating, it is considered as bottom；It is forward the thickness of shell from bottom Direction.The length direction of described tubular housing, is more than 1.2 degree with the angle of thickness direction, less than 44 Degree.It is preferably, more than 1.5 degree, less than 18 degree.

Hydrargyrum 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, and the length direction of described tubular housing, with the folder of horizontal plane Angle is more than 1.2 degree, less than 43 degree.It is preferably, more than 1.1 degree, less than 19 degree.

Or, described shell and the side of door laminating, it is considered as bottom；It is forward the thickness of shell from bottom Direction.The length direction of described tubular housing, is more than 1.1 degree with the angle of thickness direction, less than 44 Degree.It is preferably, more than 1.2 degree, less than 19 degree.

The described spring of described spring Shaking switch is a stretching spring, and elastic metallic yarn spiral winding is made Having the hollow tubular of hollow parts, described spring one end is fixing connects an electrode, and another electrode is strip Electrode, strip shaped electric poles inserts the hollow parts of described spring.

In using, described housing vertical is placed, and the length direction of described spring, with the angle of vertical direction For more than 1.2 degree, less than 43 degree.It is preferably, more than 1.3 degree, less than 18 degree.

It may be that described sonification system, electric power system, microprocessor system are arranged in the enclosure.Outward Described Shaking switch can also be set in shell.

Being provided with Shaking switch positioning element in shell, described Shaking switch is fixed on described Shaking switch location On parts.With defined position.Shaking switch positioning element can be a draw-in groove being arranged on outer casing inner wall, Or buckle.

Concrete it may be that be provided with a sonification system in going back shell, the communication connection of described sonification system is described The signal output part of microprocessor system.

It is also possible that outside described electric power system, microprocessor system, capacitance touch chip are arranged on In shell, in described shell, it is not provided with described sonification system.

It is also possible that outside described electric power system, microprocessor system, capacitance touch chip are arranged on In shell, described sonification system is arranged on outside described shell, and described sonification system is provided with radio receiver, Described microprocessor system signal output part connects wireless signal transmitting device；Described microprocessor System signal outfan is attached by wireless signal with described sonification system.Realize sonification system and its The separation of his assembly.So that sonification system to be arranged on flexibly other rooms, it is simple to doorbell sound is accurate Send to.

Described wireless transmitter module is preferably bluetooth module, wifi module, 2.4G wireless transmitter module, surpasses Regeneration wireless transmitter module or other wireless transmitter modules.

Described radio receiver is preferably bluetooth module, wifi module, 2.4G wireless receiving module, surpasses Regeneration wireless receiving module or other wireless receiving modules.

Described sonification system can be mobile phone, and described radio receiver is bluetooth module or wifi module, Being communicatively coupled with the bluetooth module in mobile phone or wifi module, described sonification system uses raising of mobile phone Sound device is as pronunciation device.

Described microprocessor system can use Single Chip Microcomputer (SCM) system or ARM system.Or other are similar to Minicomputer system.

Described sonification system includes a Music Clip and a speaker, described Music Clip be provided with controlled end and Audio signal output terminal, described controlled end connects the signal output part of described microprocessor system, described Audio signal output terminal connects described speaker.Speaker plays the music in Music Clip.

Described Music Clip preferably one has the speech chip of phonetic function.So that realizing speech play, Improve experience effect.

Or, described sonification system includes that a music circuit plate and a speaker, described music circuit plate set Having controlled end and audio signal output terminal, the signal that described controlled end connects described microprocessor system is defeated Going out end, described audio signal output terminal connects described speaker.Music circuit plate can relative to Music Clip To save a large amount of peripheral components, there is the advantage such as low cost, good stability.

Can also be that the signal output part of described microprocessor system is connected by a signal amplifier to be raised Sound device.Speaker plays the music information of storage in microprocessor system.Described sonification system includes one Speaker, described speaker connects a level setting switches, and described level setting switches uses and stirs out Closing, do not use rotating switch, the gear of toggle switch is more than two grades, less than five grades.It is preferably third gear. During third gear, it is set to closedown shelves, bass shelves and high pitch shelves.Volume and switch are selected.

Shell specific embodiment 1:

Described shell includes that box body and upper cover, described box body are arranged over opening, and described upper cover covers described On opening；It is sliding by slide rail that described shell is respectively arranged on the left side and the right side slide rail, described box body and described upper cover It is dynamically connected.

In described box body and described upper cover, one of them edge is provided with outside projection, referred to as outer lug, Another edge is provided with inside projection, referred to as internal projection；In described outer lug and described internal projection, One of them is strip；And then after described outer lug and described internal projection engage, form slide rail described in, And then make described box body and described upper cover be 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 it is convex that flanging rear is provided with one Rise.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 a height less than institute State the little projection of projection.By little projection, upper cover position is fixed, it is to avoid after the lid that closes, still The most slidably.

Above the box wall of described box body front end, and the distance below upper cover, less than the height of described little projection. Both differences are more than 1.4mm, less than 4.5mm.

Distance between described little protruding and described flanging, more than or equal to thickness above box wall.And less than box wall 2.8 times of top thickness.So that after the lid that closes, limiting upper cover and rock.Described box body rear end sets There is battery case.Described battery case, uses two joint 1.5V battery cases.More preferably, installation two is used The battery case of No. 7 batteries of joint.

Distance between described flanging and projection is more than 1/2nd of battery case width, less than battery case width 1.5 times.So that exposing battery case after scratching upper cover, and avoid too much exposed circuits element.

It is provided with permeable portion between described upper cover and described box body.For the sound by the speaker in box body It is transferred to the external world.Being covered with downward flanging on described, described flanging shelters from permeable portion.To ensure Aesthetic property.

Described permeable portion can be ventilation mouth.The quantity of described ventilation mouth is at least two.With upper cover For in the front view of outer casing frontispiece, described ventilation mouth is capped and blocks.

Or can be, described upper cover, in the junction with described box body, be provided with ventilation mouth.About upper cover In both sides, at least side is provided with at least two ventilation mouth.In the front view with upper cover as outer casing frontispiece, Described ventilation mouth is capped and blocks.

Or it is also contemplated that described box body is in the junction with described upper cover, it is provided with ventilation mouth.Box In the body left and right sides, at least side is provided with at least two ventilation mouth.Facing with upper cover as outer casing frontispiece In figure, described ventilation mouth is capped and blocks.

Shell specific embodiment 2:

It may be that described sonification system, electric power system, microprocessor system, capacitance touch chip Arrange in the enclosure.Described sonification system is provided with a speaker, is provided with an audio cavity structure institute in described shell State speaker to be arranged in described audio cavity structure.Described shell includes base and upper cover, described audio cavity structure It is arranged on described base.Described audio cavity structure includes that a cavity, described cavity bottom are provided with air-vent, Described air-vent runs through described base.So as, beneficially speaker sounding tonequality and volume.

Described base back surface is provided with ventilating groove, and described ventilating groove connects described air-vent and the external world.So that, It is beneficial to speaker sounding tonequality and volume.

Described base back surface is provided with double faced adhesive tape, arranges described ventilating groove on double faced adhesive tape.To reduce base mold Tool technique and production technology.Described audio cavity structure includes a cylindric cavity, sets in described cylindric cavity There is the various sizes of speaker support of at least two.

It is preferably large-sized speaker support, is positioned at above undersized speaker support.

Such as, the speaker support of the speaker of a diameter of 26mm～29mm of support it is arranged above.Lower section It it is the speaker support of the speaker of a diameter of 22mm～24mm of support.

Or, it is arranged above the speaker support of the speaker of a diameter of 22mm～24mm of support.Lower section It it is the speaker support of the speaker of a diameter of 19mm～22mm of support.

Time specifically used, the speaker of one of them applicable size can be selected to be arranged in speaker support. So that after shell mould shape, the speaker of different size still can be selected according to customer demand, obtains Obtain different acoustical qualities.Speaker support is preferably the annular projection to cylindric inside cavities projection.

Covering on described and be provided with ventilation mouth, described ventilation mouth is positioned at after upper cover is combined on base, and sound chamber is tied The top of structure.So that sound sends.

Described ventilation mouth is set to the company logo of a hollow out.It can be the trade mark of company.Can also be it He indicates.To remove from additionally in the upper trouble covering printing company logo.Also make upper cover design succinct, beautiful See.Described Shaking switch can also be set in shell.

Described microprocessor system is arranged on a circuit board, and described circuit board is arranged in described shell, Described circuit board is provided with a Shaking switch positioning port.

Described Shaking switch positioning port can be a through hole, and described Shaking switch passes described through hole.And then Position is limited.

The bore of described Shaking switch positioning port is more than 4mm, less than 15mm.So that adapting to preferably Shaking switch.

Shaking switch preferably external diameter is the Shaking switch of 4mm～8mm.The Shaking switch spirit of this parameter Sensitivity is moderate, and cost is relatively low.

Described Shaking switch is in described shell, and length direction, relative to the ground of base, presents more than 0.5 The degree angle less than 30 degree.Shaking switch itself is made to have certain state stability, it is to avoid false triggering.

It is preferably greater than 1 degree, the angle less than 5 degree.The wind that can resist less than 6 grades blows door, makes The false triggering become, and there is the action of good detection switch gate.

Described Shaking switch positioning port can also be, the gap that circuit board side is outputed.Described Shaking switch Snap in gap.And then position is limited.

It is cased with plastic washer outside described Shaking switch.With protection and fixing Shaking switch.It can in addition contain rise Effect to damping, it is ensured that Monitoring Performance.

Described plastic washer, preferably both sides width, middle narrow plastic washer.Described plastic washer passes Described Shaking switch positioning port, part narrow in the middle of described plastic washer in described Shaking switch positioning port, The part that described plastic washer both sides are wide, lays respectively at described Shaking switch positioning port, and then is stuck in described On circuit board.

Described Shaking switch passes the through hole in the middle part of described plastic washer.Described Shaking switch jam-packed plastic mattress Circle, plastic washer jam-packed is on Shaking switch positioning port, and then realizes fixedly securing.

Described gap is that an edge is narrower, inboard wider gap.

During installation, first plastic washer can be flattened, clamp-on wider place, inboard by narrower place, gap edge After, in insertion Shaking switch to plastic washer, and then stretching plastic washer, and then realize fixedly securing.

Described plastic washer is preferably rubber washer.

Or be provided with Shaking switch positioning element inside the shell, described Shaking switch be fixed on described in rock On switch positioning element.With defined position.

Described base is provided with at least 3 board support posts, at least 3 board support posts, extremely Few one relatively low.It is preferably less than 0.3mm～2.0mm.So that circuit board tilts.

Or, described circuit board place plane and the angle on the ground of described base, more than 0.5 degree, it is less than 8 degree.More preferably angle is more than 1 degree, less than 5 degree.So that Shaking switch is stable, it is difficult to In response by mistake.

More preferably near the support column relative reduction in base front.So that Shaking switch is stable, It is not easy to respond by mistake.

Shaking switch positioning element can be a draw-in groove being arranged on outer casing inner wall, or buckle.

Shell specific embodiment 3:

Described base and described upper cover arrange at least one position-limit mechanism on slide rail, and position-limit mechanism is for limiting The sliding distance of described upper cover exceedes the position-limit mechanism of the catch of battery case.

Described base and described upper cover arrange at least one position-limit mechanism on slide rail, and position-limit mechanism is for limiting Be equivalent to, after described upper cover Guan Bi, the position-limit mechanism that base slides.

In described base and described upper cover, one of them edge is provided with outside projection, referred to as outer lug, Another edge is provided with inside projection, referred to as internal projection；In described outer lug and described internal projection, One of them is strip；And then after described outer lug and described internal projection engage, form slide rail described in, And then make described base and described upper cover be slidably connected.

Before and after described base and upper cover, both sides are equipped with slide rail.So that balance is slided.

Being covered with the flanging being turned under folding on described, it is protruding that flanging right is provided with one.By flanging and projection, Limit the sliding distance of upper cover.

Described projection, but a downward projection, such as the flanging the most longer relative to two side edgefolds.

Described projection, can be outside projection.It can be such as projection outside on slide rail.

Or, below described upper cover, relative to described projection, the part closer to right-hand member is provided with a height Little projection less than described projection.By little projection, upper cover position is fixed, it is to avoid at the lid that closes After, the most slidably.

Above the box wall of described base right-hand member, and the distance below upper cover, less than the height of described little projection. Both differences are more than 1mm, less than 5mm.

Distance between described little protruding and described flanging, more than or equal to thickness above box wall.And less than box wall 3 times of top thickness.So that after the lid that closes, limiting upper cover and rock.

Distance between described flanging and projection is more than 1/2nd of battery case width, less than battery case width 1.5 times.So that exposing battery case after scratching upper cover, and avoid too much exposed circuits element.

It is provided with permeable portion between described upper cover and described base.For the sound by the speaker in base It is transferred to the external world.Being covered with downward flanging on described, described flanging shelters from permeable portion.To ensure Aesthetic property.

Described permeable portion can be ventilation mouth.The quantity of described ventilation mouth is at least two.With upper cover For in the front view of outer casing frontispiece, described ventilation mouth is capped and blocks.

Or can be, described upper cover, in the junction with described base, be provided with ventilation mouth.Before and after upper cover In both sides, at least side is provided with at least two ventilation mouth.In the front view with upper cover as outer casing frontispiece, Described ventilation mouth is capped and blocks.

Or it is also contemplated that described base is in the junction with described upper cover, it is provided with ventilation mouth.The end Before and after Zuo in both sides, at least side is provided with at least two ventilation mouth.Facing with upper cover as outer casing frontispiece In figure, described ventilation mouth is capped and blocks.

Accompanying drawing explanation

Fig. 1 is the circuit block diagram of the present invention；Fig. 2 is that a kind of structure of spring Shaking switch of the present invention is shown It is intended to；Fig. 3 is a kind of structural representation of ball-type Shaking switch of the present invention；Fig. 4 is that the present invention sets water A kind of structural representation of silver formula Shaking switch；Fig. 5 is the hard-wired a kind of knot of Shaking switch of the present invention Structure schematic diagram；Fig. 6 is housing portion structural representation of the present invention；Fig. 7 is housing portion structure of the present invention Schematic diagram.

Detailed description of the invention

For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from Solve, the present invention is expanded on further below in conjunction with being specifically illustrating.

With reference to Fig. 1, inductance type doorbell triggers system, including a shell 7, and electric power system, also include One microprocessor system 1, electric power system connects the supply port of microprocessor system 1；Miniature process Device system 1, signal connects one for sending the sonification system 3 of prompt tone of knocking at the door；Shell 7 be provided with one for The binding face being fitted in metal panels；Also include a capacitance touch chip 4, capacitance touch chip 4 Being provided with signal output part and touch sensible end, signal output part connects the signal of microprocessor system 1 Input, touch sensible end is drawn outside shell 7, is used for pressing close to metal panels；And then make, touch Induction end is for sensing staff to the touch of metal panels or percussion；Touch with hands there being people or tap gold When belonging to door-plate, capacitance touch chip 4 leads to touch sensible end and obtains touch sensible signal, and to miniature place Reason device system 1 sends signal.It can be wired connection that signal connects, it is also possible to be wireless connections.

By above-mentioned design, microprocessor system 1 obtains the action of knocking at the door of people.Because being to pass through electric capacity Change-detection is knocked at the door action rather than use traditional sound or vibration mode detection to knock at the door action, so Detection information is little with the dynamics relation knocked at the door, the most completely irrelevant.So people is when knocking at the door, can not Need firmly to be pounded out by door the biggest sound again.When being judged as knocking at the door action, knock at the door by being used for sending The sonification system 3 of prompt tone, sends prompt tone of knocking at the door.Such as send doorbell sound, or other are used for pointing out The sound that someone knocks at the door.Touch sensible end is arranged on shell 7 for the binding face fitted with metal panels.

More preferably, touch sensible end is a resilient metal end of tool.And then resilient pressing In metal panels.Ensure pressing tightness degree.Loose contact is produced during avoiding using.

Capacitance touch chip 4 is one when capacitance variation amount is beyond a setting value, and output effectively touches The capacitance touch chip 4 of signal.When capacitance variation amount is beyond a setting value, output one effectively touches letter Number give microprocessor system 1.

When touch sensible end directly or indirectly accesses a sufficiently large electron source, capacitance variation can be caused Amount is beyond setting value, and then triggers capacitance touch chip 4, exports effective touch signal.Sufficiently large electricity Component, can be human body.When staff touches or taps metal panels, even there being paint in metal panels, Will also result in capacitance touch chip 4 and sense that capacitance changes.

Setting value, is preferably and accesses the capacitance variation amount that at least 5 kilograms of normal saline cause.Reach to set Definite value, capacitance touch chip 4 exports an effective touch signal to microprocessor system 1.To adapt to children Youngster knocks at the door action.Also set up a upper limit set value, be preferably to access and cause more than 150 kilograms of normal saline Capacitance variation amount.When exceeding upper limit set value, it is the most tactile that capacitance touch chip 4 does not export one Touch signal to microprocessor system 1.To adapt to non-artificial touching metal panels by mistake.

Binding face is provided with bonding glue-line, and metal end is positioned at binding face, and in a free state, exceeds bonding Glue-line, and do not covered by bonding glue-line.So that after shell 7 is fitted in metal panels, can be certainly Move and metal end is pressed in metal panels.Bonding glue-line can use double faced adhesive tape.

Judge there is the mode one that people knocks at the door:

Microprocessor system 1, monitored having from capacitance touch chip 4 at least twice in 2 seconds During effect touch signal, it is considered as one of satisfied condition having people to knock at the door, or full terms.And then excite send out Sound system 3 sends prompt tone of knocking at the door.

Microprocessor system 1, monitors once the effective time touched at capacitance touch chip 4 big In 0.001 second, but during less than 1 second, be considered as the most effectively knocking at the door action.Thus effectively avoid External interference.Interference when such as opening the lock with the key, interference when such as turning the handle.

Microprocessor system 1 monitored more than or equal to 2 times in 2 seconds, action of effectively knocking at the door, depending on For meeting the condition having people to knock at the door.And then excite sonification system 3 to send prompt tone of knocking at the door.Limit further For, microprocessor system 1 monitored more than or equal to 2 times in 2 seconds, but was less than 5 times, effectively Action of knocking at the door, be considered as meet have people to knock at the door condition.And then excite sonification system 3 to send prompting of knocking at the door Sound.Microprocessor system 1, in 2 seconds, monitors action of effectively knocking at the door more than or equal to 5 times, depending on For being unsatisfactory for the condition that someone knocks at the door.And then do not excite sonification system 3 to send prompt tone of knocking at the door.Avoid by mistake Trigger.

Judge there is the mode two that people knocks at the door:

Microprocessor system 1 is monitoring at least 2 effective touch signals generations, and effectively touches for 2 times Touch the sigtnal interval more than 0.21s less than 0.78 second, be considered as meeting the condition having people to knock at the door.It is considered as meeting and excites Knock at the door prompt tone condition.And then excite sonification system 3 to send prompt tone of knocking at the door.

May be arranged as, microprocessor system 1 is monitoring at least 2 effective touch signals generations, And 2 effective touch signal intervals are less than 0.9s more than 0.11s, it is considered as meeting the condition having people to knock at the door.Depending on Prompt tone condition of knocking at the door is excited for meeting.And then excite sonification system 3 to send prompt tone of knocking at the door.

Microprocessor system 1 is monitoring at least 3 effective touch signals generations, and effectively touches for 3 times Touch the sigtnal interval more than 0.21s less than 0.79 second, be considered as meeting and excite prompt tone condition of knocking at the door.Can also enter One step is set to, and microprocessor system 1 is monitoring at least 3 effective touch signals generations, and 3 Secondary effective touch signal interval less than 0.9 second more than 0.11s, is considered as meeting and excites prompt tone condition of knocking at the door.

Microprocessor system 1 is monitoring more than 5 times intervals continuously more than 0.11s having less than 0.9 second Effect touch signal, is considered as not meeting and excites prompt tone condition of knocking at the door.It is also possible that microprocessor system 1 By two minor ticks more than 0.11s, less than effective touch signal of 0.98s, it is considered as continuous effective touch signal. The number of times of continuous effective touch signal is more than or equal to 3 times, less than or equal to 5 times, is considered as meeting exciting and knocks at the door Prompt tone condition.Further, it is possible to by two minor ticks more than 0.2s, less than effective touch signal of 0.8s, It is considered as continuous effective touch signal.

Microprocessor system 1 meets and excites prompt tone condition of knocking at the door monitoring effective touch signal number of times After, continue monitoring and be more than 0.5s, less than a time period of 1s, this time period is referred to as waiting period, If not having new effective touch signal to produce in waiting period, starting sonification system 3 and sending sound.

Waiting period, more preferably 0.7s～0.9s.If there being new effective touch signal to produce, then Do not start sonification system 3 and send sound, continue to have monitored whether that effective touch signal produces, until without new Effective touch signal produce, or until effectively touch signal produces number of times and has been above maximum set value. This maximum set value can be 5 times.If not having effective touch signal to produce in monitoring waiting period, And when effectively touch signal generation number of times is not above maximum set value, then starts sonification system 3 and send sound Sound.When monitoring effective touch signal generation number of times and having been above setting value, the most do not start sonification system 3 Send sound.

Microprocessor system 1 is also associated with Shaking switch 6, and Shaking switch 6 is arranged in shell 7.? After Shaking switch 6 triggers, microprocessor system 1 limits sonification system more than 36 seconds.And it is preferably 18 Below Miao.Because shell 7 links with metal panels, so detecting when Shaking switch 6 triggers, inevitable It is metal panels when rocking, is substantially when being in enabling or close door state when metal panels is rocked.? Open the door or in 5 seconds of action of closing the door, have guest if doorway, it can be seen that, it is not necessary to doorbell is reminded.

It addition, people is opening the door or at closing time, is needing the tactile metal panels that catches.People is closing the door or is opening It is necessarily required to contacting metal door-plate, or the metal parts being connected with metal panels during door.It is difficult to ensure that not False triggering can be caused.Limit more than 5 seconds sounding, the mistake that people causes when closing the door or open the door can be avoided Trigger.

The mode limiting sonification system 3 sounding is that microprocessor system 1 no longer responds signal input part Effective touch signal；Or it is that microprocessor system 1 turns off the power supply of capacitance touch chip 4 Connect；Or be that microprocessor system 1 software is adjusted to, even if dynamic being judged as effectively knocking at the door Make, and meet other and excite when knocking at the door prompt tone condition, also locking signal output part, make sonification system 3 Not sounding.

Microprocessor system 1 is also connected with an anti-theft switch 5.Antitheft breakdown closes and connects microprocessor system One signal input part of system 1, when anti-theft switch 5 triggers, microprocessor system 1 enters antitheft mould Formula.Anti-theft switch 5 can be hardware switch, it is also possible to be to realize a software switch by software.

Anti-theft modes is, triggers alarm at Shaking switch 6.When being in anti-theft modes, user should It it is door close.When door is agreed to open without user, inductance type doorbell triggers system by Shaking switch 6 Detection trigger arrive, and then notify user by sound or other modes.This anti-theft modes, relative to Burglary-resisting system based on tongue tube, has that structure is the simplest, install more convenient, installation environment and peace The advantages such as holding position is freer.Anti-theft switch 5 triggers, after entering anti-theft modes, when having more than 5 seconds Between be in restriction triggering state, limit triggering state, even if Shaking switch 6 triggers, do not report to the police. So that the time of leaving allows user close the door.

The time being in restriction triggering state is preferably 11～29 seconds.To adapt to the living habit of people.Antitheft Switch 5 can be a sensing soft-touch control, it is also possible to be a press button.Triggering anti-theft switch 5, entering When entering anti-theft modes, microprocessor system 1, excite the generating device of connection to send sound, or connect Luminescent device luminous.Activate with prompting user's anti-theft modes.Antitheft is again triggered in anti-theft modes Close 5, release anti-theft modes.

Concrete software flow can be, microprocessor system 1 excites letter receive anti-theft switch 5 After number, proceed to anti-theft modes, after entering anti-theft modes, have more than 5 seconds time to be in restriction and trigger shape State, after restriction triggering state terminates, the triggering situation of monitoring Shaking switch 6.Touch at Shaking switch 6 After Faing, report to the police.The mode reported to the police can be by microphone device sounding alarm.Can also be to pass through Wireless system is launched wireless signal and is reported to the police.In anti-theft modes, again trigger anti-theft switch 5 or other Release antitheft switch, then release anti-theft modes.No longer report to the police.

Shaking switch 6 includes two electrodes, and a movable part movable relative at least one electrode, In the movement travel of movable part, including being simultaneously connected with the state of two electrodes, and with one of them electrode Unconnected state.So that in movement travel, there is two electrode conductions, and the state being not turned on.

The weight of movable part is more than 0.06 gram.So that ensureing that there is bigger inertia.Movable part Weight is less than 2.5 grams.To avoid producing too strong shock, cause damage.

With reference to Fig. 2, Shaking switch 6 uses spring Shaking switch, and movable part is spring 610, spring One end of 610 is fixed with one of them electrode 611 and is connected, the other end of spring 610 and another electrode 612 It is flexibly connected.One end of spring 610 activity, can be provided with counterweight.To improve inertia.

The spring 610 of spring Shaking switch is a stretching spring, and elastic metallic yarn spiral winding is made to be had The hollow tubular of hollow parts, spring 610 one end is fixing connects an electrode 611, and another electrode 612 is bar Shape electrode, strip shaped electric poles inserts the hollow parts of spring 610.In using, shell 7 is vertically placed, bullet The length direction of spring 610, is more than 1 degree with the angle of vertical direction, less than 45 degree.It is preferably, greatly In 1 degree, less than 20 degree.

With reference to Fig. 3, Shaking switch 6 uses ball-type Shaking switch, and movable part is at least one ball 620, It is provided with a position being smaller than ball 620 diameter between two electrodes 621,622.So that ball 620 When being rolled into the position less than diameter, two electrode 621,622 conductings.Ball-type Shaking switch 6 is provided with one Tubular housing 623, ball 620 is arranged in tubular housing 623.Being preferably movable part is two balls. Ball-type Shaking switch 6 is provided with a tubular housing, and ball is arranged in tubular housing.

With reference to Fig. 4, Shaking switch 6 uses hydrargyrum formula Shaking switch, and movable part is a mercury bead 630, It is provided with a position being smaller than mercury bead 630 diameter between two electrodes 631,632.So that mercury bead 630 when being rolled into the position less than diameter, two electrodes 631,632 conductings.Hydrargyrum formula Shaking switch 6 sets Having a tubular housing 633, mercury bead 630 is arranged in tubular housing 633.Market can also be used existing The spring Shaking switch 6 of sale, ball Shaking switch 6, hydrargyrum Shaking switch 6, etc. rocking out of type Close 6.

With reference to Fig. 5, in using, shell 7 is vertically placed, the length direction of tubular housing, with horizontal plane Angle is more than 1 degree, less than 45 degree.It is preferably, more than 1 degree, less than 20 degree.Or, shell 7 With the side of door laminating, it is considered as bottom；It it is forward the thickness direction of shell 7 from bottom.Tubular housing Length direction, is more than 1 degree with the angle of thickness direction, less than 45 degree.It is preferably, more than 1 degree, Less than 20 degree.Hydrargyrum formula Shaking switch 6 is provided with a tubular housing, and mercury bead is arranged in tubular housing.

In using, shell 7 is vertically placed, the length direction of tubular housing, is big with the angle of horizontal plane In 1 degree, less than 45 degree.It is preferably, more than 1 degree, less than 20 degree.Or, shell 7 pastes with door The side closed, is considered as bottom；It it is forward the thickness direction of shell 7 from bottom.The length side of tubular housing To, it is more than 1 degree with the angle of thickness direction, less than 45 degree.It is preferably, more than 1 degree, less than 20 Degree.

The spring of spring Shaking switch 6 is a stretching spring, and elastic metallic yarn spiral winding is made has sky The hollow tubular of heart part, spring one end is fixing connects an electrode, and another electrode is strip shaped electric poles, strip Electrode inserts the hollow parts of spring.In using, shell 7 is vertically placed, the length direction of spring, with The angle of vertical direction is more than 1 degree, less than 45 degree.It is preferably, more than 1 degree, less than 20 degree.

With reference to Fig. 5, it may be that outside sonification system 3, electric power system, microprocessor system 1 are arranged on In shell 7.In shell 7, Shaking switch 6 can also be set.Shaking switch positioning element it is provided with in shell 7, Shaking switch 6 is fixed on Shaking switch positioning element.With defined position.Shaking switch positioning element can Think a draw-in groove being arranged on shell 7 inwall, or buckle.

With reference to Fig. 6, Fig. 7.It may be that be provided with a sonification system 3 in going back shell 7, sonification system 3 leads to Letter connects the signal output part of microprocessor system 1.It is also possible that electric power system, microprocessor System 1, capacitance touch chip 4 are arranged in shell 7, are not provided with sonification system 3 in shell 7.

It is also possible that electric power system, microprocessor system 1, capacitance touch chip 4 are arranged on shell In 7, sonification system 3 is arranged on outside shell 7, and sonification system 3 is provided with radio receiver, miniature process Device system 1 signal output part connects wireless signal transmitting device；Microprocessor system 1 signal exports End is attached by wireless signal with sonification system 3.Realize sonification system 3 to separate with other assemblies. So that sonification system 3 is arranged on other rooms flexibly, it is simple to doorbell sound is accurately sent to.

Wireless transmitter module is preferably bluetooth module, wifi module, 2.4G wireless transmitter module, superregenerative Wireless transmitter module or other wireless transmitter modules.Radio receiver is preferably bluetooth module, wifi Module, 2.4G wireless receiving module, superregenerative wireless receiving module or other wireless receiving modules.

Sonification system 3 can be mobile phone, and radio receiver is bluetooth module or wifi module, with mobile phone In bluetooth module or wifi module be communicatively coupled, sonification system 3 uses the speaker 81 of mobile phone to make For pronunciation device.Microprocessor system 1 can use Single Chip Microcomputer (SCM) system or ARM system.Or its The minicomputer system that he is similar to.

Sonification system 3 includes a Music Clip and a speaker 81, and Music Clip is provided with controlled end and sound Signal output part, controlled end connects the signal output part of microprocessor system 1, audio signal output terminal Connect speaker 81.Speaker 81 plays the music in Music Clip.Music Clip preferably one has language The speech chip of sound function.So that realizing speech play, improve experience effect.

Or, sonification system 3 includes a music circuit plate and a speaker 81, and music circuit plate is provided with and is subject to Control end and audio signal output terminal, controlled end connects the signal output part of microprocessor system 1, sound Signal output part connects speaker 81.Music circuit plate can save a large amount of peripheral device relative to Music Clip Part, has the advantage such as low cost, good stability.

Can also be that the signal output part of microprocessor system 1 is connected by a signal amplifier raises one's voice Device 81.Speaker 81 plays the music information of storage in microprocessor system 1.Sonification system 3 includes One speaker 81, speaker 81 connects a level setting switches, and level setting switches uses toggle switch, Not using rotating switch, the gear of toggle switch is more than two grades, less than five grades.It is preferably third gear.Third gear Time, it is set to closedown shelves, bass shelves and high pitch shelves.Volume and switch are selected.

Shell specific embodiment 1:

Shell 7 includes box body and upper cover 72, and box body is arranged over opening, and upper cover 72 covers on opening；Outward Shell 7 is respectively arranged on the left side and the right side slide rail, box body and upper cover 72 and is slidably connected by slide rail.

In box body and upper cover 72, one of them edge is provided with outside projection, referred to as outer lug 73, another Individual edge is provided with inside projection, referred to as internal projection 74；In outer lug 73 and internal projection 74, wherein One is strip；And then after outer lug 73 and internal projection 74 engage, form a slide rail, and then make box body It is slidably connected with upper cover 72.Box body and upper cover 72 left and right sides are equipped with slide rail.So that balance is slided.

Upper cover 72 front end, is provided with the flanging of bending downwards, and it is protruding that flanging rear is provided with one.By flanging and Projection, limits the sliding distance of upper cover 72.Below upper cover 72, relative to protruding 76, closer to front end Part be provided with a height less than protruding little protruding 78.By little protruding 78, upper cover 72 position is carried out Fixing, it is to avoid after the lid 72 that closes, the most slidably.

Above the box wall of box body front end, and the distance below upper cover 72, less than the little height of protruding 78. Both differences are more than 1.4mm, less than 4.5mm.Distance between little protruding 78 and flanging, is more than or equal to Thickness above box wall.And less than above box wall 2.8 times of thickness.So that after the lid 72 that closes, limit Upper cover 72 processed rocks.Box body rear end is provided with battery case 77.Battery case 77, uses two joint 1.5V battery cases 77.More preferably, the battery cases 77 of installation two No. 7 batteries of joint are used.

Distance between flanging and projection is more than 1/2nd of battery case 77 width, wide less than battery case 77 1.5 times of degree.So that exposing battery case 77 after scratching upper cover 72, and avoid too much exposed circuits element.

It is provided with permeable portion between upper cover 72 and box body.For the sound of the speaker 81 in box body is passed It is passed to the external world.Upper cover 72 is provided with downward flanging, and flanging shelters from permeable portion.To ensure aesthetic property.

Permeable portion can be ventilation mouth.The quantity of ventilation mouth is at least two.With upper cover 72 as shell In the front view in 7 fronts, ventilation mouth is capped 72 and blocks.Or can be, upper cover 72 with box body Junction, is provided with ventilation mouth.In upper cover 72 left and right sides, at least side is provided with at least two ventilation mouth. In with upper cover 72 for the front view in shell 7 front, ventilation mouth is capped 72 and blocks.

Or it is also contemplated that box body is in the junction with upper cover 72, it is provided with ventilation mouth.About box body In both sides, at least side is provided with at least two ventilation mouth.At the front view being shell 7 front with upper cover 72 In, ventilation mouth is capped 72 and blocks.

Shell specific embodiment 2:

It may be that sonification system 3, electric power system, microprocessor system 1, capacitance touch chip 4 It is arranged in shell 7.Sonification system 3 is provided with a speaker 81, is provided with an audio cavity structure 8 in shell 7 Speaker 81 is arranged in audio cavity structure 8.Shell 7 includes base 75 and upper cover 72, audio cavity structure 8 It is arranged on base 75.Audio cavity structure 8 includes a cavity, and cavity bottom is provided with air-vent 82, air-vent 82 run through base 75.So as, beneficially speaker 81 sounding tonequality and volume.

Base 75 back side is provided with ventilating groove, and ventilating groove connects air-vent 82 and the external world.To be beneficial to raise Sound device 81 sounding tonequality and volume.Base 75 back side is provided with double faced adhesive tape, arranges ventilating groove on double faced adhesive tape. To reduce base 75 mould process and production technology.Audio cavity structure 8 includes a cylindric cavity, cylindric The various sizes of speaker support of at least two it is provided with in cavity.

It is preferably large-sized speaker support, is positioned at above undersized speaker support.Such as, on Fang Weiyi supports the speaker support of the speaker 81 of a diameter of 26mm～29mm.Lower section is that a support is straight Footpath is the speaker support of the speaker 81 of 22mm～24mm.Or, it is arranged above a support a diameter of The speaker support of the speaker 81 of 22mm～24mm.Lower section is a diameter of 19mm～22mm of support The speaker support of speaker 81.

Time specifically used, the speaker 81 of one of them applicable size can be selected to be arranged on speaker support On.So that after shell 7 mould shape, still raising one's voice of different size can be selected according to customer demand Device 81, it is thus achieved that different acoustical qualities.Speaker support is preferably the ring to cylindric inside cavities projection Shape is protruding.Being provided with ventilation mouth on upper cover 72, ventilation mouth is positioned at after upper cover 72 is combined on base 75, sound The top of cavity configuration 8.So that sound sends.

Ventilation mouth is set to the company logo of a hollow out.It can be the trade mark of company.Can also be other marks Show.To remove the trouble additionally printing company logo on upper cover 72 from.Also make upper cover 72 design succinctly, Attractive in appearance.In shell 7, Shaking switch 6 can also be set.

Microprocessor system 1 is arranged on a circuit board, and circuit board is arranged in shell 7, circuit board It is provided with a Shaking switch positioning port 71.Shaking switch positioning port 71 can be a through hole, Shaking switch 6 Through through hole.And then position is limited.The bore of Shaking switch positioning port 71 is more than 4mm, is less than 15mm.So that adapting to preferred Shaking switch 6.Shaking switch 6 preferably external diameter is 4mm～8mm Shaking switch 6.Shaking switch 6 sensitivity of this parameter is moderate, and cost is relatively low.

Shaking switch 6 is in shell 7, and length direction, relative to the ground of base 75, presents more than 0.5 The degree angle less than 30 degree.Shaking switch 6 is made itself to have certain state stability, it is to avoid false triggering.

It is preferably greater than 1 degree, the angle less than 5 degree.The wind that can resist less than 6 grades blows door, makes The false triggering become, and there is the action of good detection switch gate.Shaking switch positioning port 71 is all right For, the gap that circuit board side is outputed.Shaking switch 6 snaps in gap.And then position is limited.

It is cased with plastic washer outside Shaking switch 6.With protection and fixing Shaking switch 6.It can in addition contain play The effect of damping, it is ensured that Monitoring Performance.Plastic washer, preferably both sides width, middle narrow plastic washer. Plastic washer passes part narrow in the middle of Shaking switch positioning port 71, plastic washer at Shaking switch positioning port In 71, the part that plastic washer both sides are wide, lay respectively at Shaking switch positioning port 71, and then be stuck in circuit On plate.Shaking switch 6 passes the through hole in the middle part of plastic washer.Shaking switch 6 jam-packed plastic washer, moulds Backing strap circle jam-packed is on Shaking switch positioning port 71, and then realizes fixedly securing.Gap is that an edge is narrower, Inboard wider gap.During installation, first plastic washer can be flattened, be squeezed by narrower place, gap edge After entering wider place, inboard, in insertion Shaking switch 6 to plastic washer, and then stretching plastic washer, and then Realization fixedly secures.Plastic washer is preferably rubber washer.Or inside shell 7, it is provided with Shaking switch Positioning element, Shaking switch 6 is fixed on Shaking switch positioning element.With defined position.

Base 75 is provided with at least 3 board support posts, at least 3 board support posts, at least One relatively low.It is preferably less than 0.3mm～2.0mm.So that circuit board tilts.Or, circuit board place The angle on the ground of plane and base 75, more than 0.5 degree, less than 8 degree.More preferably angle is big In 1 degree, less than 5 degree.So that Shaking switch 6 is stable, it is not easy to respond by mistake.Further preferably For the support column relative reduction near base 75 front.So that Shaking switch 6 is stable, it is not easy to by mistake Response.Shaking switch positioning element can be a draw-in groove being arranged on shell 7 inwall, or buckle.

Shell specific embodiment 3:

Base 75 and upper cover 72 arrange at least one position-limit mechanism on slide rail, and position-limit mechanism is in restriction The sliding distance of lid 72 exceedes the position-limit mechanism of the catch of battery case 77.Base 75 and upper cover 72 are being slided Arranging at least one position-limit mechanism on rail, position-limit mechanism is for being equivalent to base 75 after limiting upper cover 72 Guan Bi The position-limit mechanism slided.In base 75 and upper cover 72, one of them edge is provided with outside projection, claims For outer lug 73, another edge is provided with inside projection, referred to as internal projection 74；Outer lug 73 He In internal projection 74, one of them is strip；And then after outer lug 73 and internal projection 74 engage, form one Slide rail, and then make base 75 and upper cover 72 be slidably connected.Before and after base 75 and upper cover 72, both sides are all provided with There is slide rail.So that balance is slided.Upper cover 72 is provided with the flanging of bending downwards, and it is convex that flanging right is provided with one Rise.By flanging and projection, limit the sliding distance of upper cover 72.Projection, can be a downward projection, Can be such as the flanging longer relative to two side edgefolds.Projection, can be outside projection.Such as may be used To be projection outside on slide rail.

Or, below upper cover 72, relative to protruding 76, the part closer to right-hand member is provided with one and is highly less than Protruding little protruding 78.By little protruding 78, upper cover 72 position is fixed, it is to avoid at the lid 72 that closes Afterwards, the most slidably.Above the box wall of base 75 right-hand member, and the distance below upper cover 72 is little In the little height of protruding 78.Both differences are more than 1mm, less than 5mm.Between little protruding 78 and flanging Distance, more than or equal to thickness above box wall.And less than above box wall 3 times of thickness.So that closing After lid 72, limit upper cover 72 and rock.Distance between flanging and projection is more than the two of battery case 77 width / mono-, less than 1.5 times of battery case 77 width.So that exposing battery case 77 after scratching upper cover 72, And avoid too much exposed circuits element.It is provided with permeable portion between upper cover 72 and base 75.For the end of by The transfer voice of the speaker 81 in seat 75 is to extraneous.Upper cover 72 is provided with downward flanging, and flanging blocks Live permeable portion.To ensure aesthetic property.

Permeable portion can be ventilation mouth.The quantity of ventilation mouth is at least two.With upper cover 72 as shell In the front view in 7 fronts, ventilation mouth is capped 72 and blocks.Or can be, upper cover 72 with base The junction of 75, is provided with ventilation mouth.Before and after upper cover 72 in both sides, at least side is provided with at least two and breathes freely Mouthful.In with upper cover 72 for the front view in shell 7 front, ventilation mouth is capped 72 and blocks.

Or it is also contemplated that base 75 is in the junction with upper cover 72, it is provided with ventilation mouth.Base Before and after 75 in both sides, at least side is provided with at least two ventilation mouth.With upper cover 72 for shell 7 front In front view, ventilation mouth is capped 72 and blocks.

The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.One's own profession Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation The principle that the present invention is simply described described in book, 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 both fall within claimed invention model In enclosing.Claimed scope is defined by appending claims and equivalent thereof.

Claims (6)

1. inductance type doorbell triggers system, including a shell, and electric power system, it is characterised in that also Including a microprocessor system, described electric power system connects the supply port of described microprocessor system； Described microprocessor system, signal connects one for sending the sonification system of prompt tone of knocking at the door；

Described shell is provided with one for the binding face being fitted in metal panels；

Also include that a capacitance touch chip, described capacitance touch chip are provided with signal output part and touch Touching induction end, signal output part connects the signal input part of microprocessor system, described touch sensible end Draw in described housing exterior, be used for pressing close to metal panels；

And then make, described touch sensible end is for sensing staff to the touch of metal panels or percussion；

When there being people touch with hands or tap metal panels, capacitance touch chip leads to touch sensible end and obtains Touch sensible signal, and send signal to microprocessor system.

Inductance type doorbell the most according to claim 1 triggers system, it is characterised in that: described touch Induction end is arranged on shell for the binding face fitted with metal panels.

Inductance type doorbell the most according to claim 1 triggers system, it is characterised in that: described touch Induction end is a resilient metal end of tool.

Inductance type doorbell the most according to claim 1 triggers system, it is characterised in that: described electric capacity Formula touch chip be one capacitance variation amount beyond a setting value time, export the electric capacity of effective touch signal Formula touches chip, and when capacitance variation amount is beyond a setting value, output one effective touch signal gives miniature place Reason device system.

Inductance type doorbell the most according to claim 5 triggers system, it is characterised in that: described setting Value, is preferably and accesses the capacitance variation amount that at least 5 kilograms of normal saline cause.

6. trigger system according to the inductance type doorbell described in claim 4 or 5, it is characterised in that: also set Put a upper limit set value, be preferably and access the capacitance variation amount caused more than 150 kilograms of normal saline, When exceeding upper limit set value, capacitance touch chip does not export an effective touch signal to microprocessor System.