CN208538274U - A kind of wireless doorbell - Google Patents

Abstract

The utility model relates to a kind of wireless doorbells, including being located at outdoor transmitter and being located at indoor receiver, the transmitter includes transmitter main control chip and the first power circuit for being separately connected with the transmitter main control chip, doorbell key circuit and wireless transmitter module, the receiver includes receiver main control chip and the second source circuit that is separately connected with the receiver main control chip, wireless receiving module, warning circuit and display circuit, the power supply source of first power circuit and second source circuit can be alternating current or battery, the battery connection power supply is suitable to become device.Alternating current or battery power supply may be selected in the wireless doorbell of the utility model, and is equipped with and can become device for battery powered power supply is suitable, in the case where no electricity, can continue to power for battery；Wireless transmitter module and wireless receiving module are used simultaneously, and the distance and penetration capacity of doorbell are all significantly increased, meet the needs of users.

Description

A kind of wireless doorbell

Technical field

The utility model relates to the technical fields of doorbell, are concretely a kind of wireless doorbells.

Background technique

According to the mounting means of doorbell, doorbell has been generally divided into Line Doorbell and wireless doorbell.There is the maximum drawback of Line Doorbell Line can be generally embedded in wall for the sake of beauty for wiring trouble, not only installation is inconvenient, once aging circuit, maintenance It replaces more troublesome.With the development of Internet of Things, smart home starts to occur, and wireless doorbell is gradually instead of wired door Bell.Wireless doorbell is easy for installation, only need to paste transmitter with two-sided sponge or screw is fixed on outdoor, receiver installation battery or Being inserted into indoor power supply can be used.But the electricity of battery is limited to be needed to be replaced frequently, and worries temporary interruption again using power supply, The powerup issue of wireless doorbell causes many bother to user.

Utility model content

For overcome the deficiencies in the prior art, the purpose of the utility model is to provide a kind of wireless doorbells, solve existing nothing Line Doorbell is inconvenient to user's bring in power supply.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of wireless doorbell, including being located at outdoor transmitter and being located at indoor receiver, the transmitter includes hair Penetrate machine main control chip and the first power circuit being separately connected with the transmitter main control chip, doorbell key circuit and wireless Transmitting module, the receiver include receiver main control chip and the second electricity being separately connected with the receiver main control chip Source circuit, wireless receiving module, warning circuit and display circuit, the power supply of first power circuit and second source circuit Source can be alternating current or battery, and the battery connection power supply is suitable to become device.

It further, further include the humiture collection device being connect with transmitter main control chip, the humiture collection device is used for Temperature and humidity outside collection room, and temperature and humidity is converted into electric signal is input to transmitter main control chip handling.

It further, further include the rain collection circuit being connect with transmitter main control chip, the rain collection circuit is used for Acquisition rainfall records it, and the information input of record is handled to transmitter main control chip.

Further, the rain collection circuit uses tipping-bucket rain-gauge.

It further, further include the wind direction Acquisition Circuit being connect with transmitter main control chip, the transmitter is equipped with wind direction It marks, is fixed with bar magnet disk in the rotary shaft of the wind vane, the wind direction Acquisition Circuit includes several tongue tubes, the bar magnet disk For the rotation of box haul mark to open or close the tongue tube of corresponding position, the tongue tube point is connected with AD converter, meter in turn Number device, the AD converter is for converting wind direction information, and the counter is for recording wind speed information, the AD converter and meter The input terminal of number device connection transmitter main control chip.

Further, the AD converter uses DS2450 converter.

It further, further include the clock circuit being connect with receiver main control chip, the clock circuit is for recording the time Signal, and time signal is input to receiver main control chip and is handled.

It further, further include the signal processing circuit being connected between transmitter main control chip and wireless transmitter module, institute It states signal of the signal processing circuit for exporting transmitter main control chip to handle, the wireless transmitter module will be for that will believe Signal after number processing circuit processes is emitted.

It further, further include the filter circuit being connected between receiver main control chip and wireless receiving module and amplification electricity Road inputs after the signal that the wireless receiving module receives successively is filtered through filter circuit, amplifying circuit amplifies To receiver main control chip.

The beneficial effects of the utility model are: alternating current or battery power supply may be selected in the wireless doorbell of the utility model, and Become device equipped with that can be that battery powered power supply is suitable, in the case where no electricity, can continue to power for battery；Nothing is used simultaneously Line transmitting module and wireless receiving module, the distance and penetration capacity of doorbell are all significantly increased, meet the needs of users.

Detailed description of the invention

Specific embodiment of the present utility model is further described with reference to the accompanying drawing:

Fig. 1 is the working principle block diagram of transmitter；

Fig. 2 is the working principle block diagram of receiver；

Fig. 3 is the circuit diagram of transmitter main control chip；

Fig. 4 is the circuit diagram of signal processing circuit in transmitter；

Fig. 5 is the circuit diagram of receiver main control chip；

Fig. 6 is the circuit diagram of filter circuit and amplifying circuit in receiver

Specific embodiment

In order to make those skilled in the art better understand the scheme of the utility model, practical to this below in conjunction with attached drawing Technical solution in new embodiment is clearly and completely described, it is clear that described embodiment is only the utility model The embodiment of a part, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art The model of the utility model protection all should belong in the every other embodiment obtained without creative efforts It encloses.

Referring to Fig.1,2, a kind of wireless doorbell, including being located at outdoor transmitter and being located at indoor receiver, the hair The machine of penetrating includes transmitter main control chip, the first power circuit, doorbell key circuit, humiture collection device, rain collection circuit, wind To Acquisition Circuit, signal processing circuit and wireless transmitter module, the receiver includes receiver main control chip, second source Circuit, clock circuit, warning circuit, display circuit, wireless receiving module and filtering, amplifying circuit, the first power supply electricity Road supplies electricity to transmitter main control chip, the input terminal of the doorbell key circuit connection transmitter main control chip, the transmitter The output end of main control chip connects wireless transmitter module, and the wireless receiving module receives the signal of wireless transmitter module, described Second source circuit supplies electricity to receiver main control chip, and the wireless receiving module connects the input terminal of receiver main control chip, The output end of the receiver main control chip is separately connected warning circuit and display circuit, first power circuit and the second electricity The power supply source of source circuit can be alternating current or battery, and the battery connection power supply is suitable to become device, and the humiture collection device is used for Temperature and humidity outside collection room, and temperature and humidity is converted into electric signal is input to transmitter main control chip handling, The rain collection circuit records it for acquiring rainfall, and by the information input of record to transmitter main control chip into Row processing, the rain collection circuit use tipping-bucket rain-gauge, and the transmitter is equipped with wind vane, the rotation of the wind vane Bar magnet disk is fixed in shaft, the wind direction Acquisition Circuit includes several tongue tubes, bar magnet disk box haul mark rotation to The tongue tube of corresponding position is opened or closed, the tongue tube is connected with AD converter, counter in turn, and the AD converter is used In conversion wind direction information, for the counter for recording wind speed information, the AD converter connects transmitter master control with counter The input terminal of chip, the AD converter use DS2450 converter, further include clock circuit, and the clock circuit is for recording Time signal, and time signal is input to receiver main control chip and is handled, the output end of the transmitter main control chip Signal processing circuit is connected between wireless transmitter module, what the signal processing circuit was used to export transmitter main control chip Signal is handled, and the wireless transmitter module is used for that treated that signal emits by signal processing circuit, described wireless The signal that receiving module receives successively is input to receiver main control chip after filtering, amplifying circuit are handled.

Referring to Fig. 3,4, power supply realizes P10 mouthfuls of high level reset functions of transmitter main control chip, simultaneously after R1 current limliting It realizes high level Trigger Function, and activates the emission function of wireless transmitter module, it must to chip normal work by R5 resistance Standby frequency of oscillation, P21 mouthfuls provide always high level by R5 resistance, and the signal that transmitter main control chip generates passes through R6 and C4 Low-pass filtering is carried out, then high frequency spurs function is filtered out by R7 resistance, by C10 and 434M SAW filter by non-433.9M waveform Removal, only the sine wave of remaining 433.9MHz, is amplified, then ensure the amplification function of the triode of Q2 by R4 and C6 by Q2 triode Can be normal, amplified signal filters out ripple by C6 and C8 capacitor again, and power supply carries out first time low-pass filtering by C16 and R5, C14 and L2 forms secondary low-pass filtering.After R3 and C7 composition low-pass filtering, filtered for second using C13 and R2 composition, It is overlapped finally by the signal of L4 and C5, realizes the effect for reinforcing signal, then second level amplification is carried out by Q1, R1 and C2 are true It protects and realizes that Q1 triode enlarging function is normal, power supply is filtered by the π type of C15, L3, C1, and direct current signal is made to come out the collection in Q1 Under the control of electrode, changes normal wave crest, then matched by L1 and C12 series impedance, finally filtered by C13, after C9 current limliting It is output to wireless transmitter module, carries out signal transmitting.

Referring to Fig. 5,6, wireless receiving module receives the signal of transmitting, carries out eliminating sharp wave and filter out by filter circuit Clutter, then be input in receiver main control chip after carrying out two stage amplifer by amplifying circuit, receiver main control chip is to signal Handled, and by warning circuit carry out jingle bell prompt, while receiver main control chip processing receive rainfall, wind direction and Temperature and humidity information and the temporal information of clock circuit input, are shown by the LCD display that display circuit is equipped with, are prompted The information such as temperature, humidity, wind direction, rainfall, the time of user's current weather.Filter circuit and amplifying circuit are the conventional electricity in this field Road, therefore circuit diagram is not described in detail.

The course of work of wind direction acquisition is as follows: when wind blows wind vane, the bar magnet disk that is fixed in wind vane rotary shaft It will rotate together, therefore the magnet on bar magnet disk will open or close some (or two) dry-reed tube switch, it is defeated to change DS2450 Enter the voltage on pin.16 cardinal points correspond to DS2450 converter difference pin voltage, therefore 16 cardinal points difference Unique 4 codings are generated through DS2450 converter, transmitter main control chip determines wind direction by reading coding.Wind speed passes through Fixed bar magnet disk on the rotary shaft is converted into the revolving speed of bar magnet disk.The every rotation of bar magnet disk one week, the magnet on bar magnet disk It is scanned for a tongue tube, moment is closed dry-reed tube switch, so that counter input becomes logically high, and when tongue tube is opened When, counter input becomes logic low by pull down resistor, and then counter adds one, and transmitter main control chip is by comparing one section Interval front and back is stored in value different twice in counter and carrys out calculation of wind speed.

The course of work of rain collection is as follows: the telemetering rain that tipping-bucket rain-gauge is made of inductor and signal recorder Measuring appratus, inductor are made of raingauge receiver, metering tipping bucket, counting tipping bucket, dry reed switch etc.；Logger by counter, record pen, from Remember that clock, control circuit board etc. are constituted.Its working principle is that: rainwater enters raingauge receiver by the mouth of a river of holding of the top, falls into water receiving leakage Bucket, flows into tipping bucket through bell mouth, and when water accumulating volume reach a certain height (such as 0.05 millimeter), tipping bucket disequilibrium is overturned.And Tipping bucket is toppled over each time, all makes switch connection circuit, conveys a pulse signal to logger, logger controls recording pen for rain Amount is recorded, and and so on rainfall measurement can be got off, and is input to transmitter main control chip and is handled.

In conclusion above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng The utility model is described in detail according to previous embodiment, those skilled in the art should understand that；Especially say Bright, humiture collection and clock display belong to electronic field conventional technology, therefore in the present specification, it does not carry out Excessive description, can still modify the technical solutions described in the foregoing embodiments, or to being wherein no lack of technology Feature is equivalently replaced, and these are modified or replaceed, and it does not separate the essence of the corresponding technical solution, and the utility model is real Apply the spirit and scope of a technical solution.

Claims (9)

1. a kind of wireless doorbell, including being located at outdoor transmitter and being located at indoor receiver, it is characterised in that: the transmitting Machine includes transmitter main control chip and the first power circuit being separately connected with the transmitter main control chip, doorbell key electricity Road and wireless transmitter module, the receiver include receiver main control chip and are separately connected with the receiver main control chip Second source circuit, wireless receiving module, warning circuit and display circuit, first power circuit and second source electricity The power supply source on road can be alternating current or battery, and the battery connection power supply is suitable to become device.

2. a kind of wireless doorbell according to claim 1, it is characterised in that: further include being connect with transmitter main control chip Temperature and humidity is converted into electricity for the temperature and humidity outside collection room by humiture collection device, the humiture collection device Signal is input to transmitter main control chip and is handled.

3. a kind of wireless doorbell according to claim 1, it is characterised in that: further include being connect with transmitter main control chip Rain collection circuit, the rain collection circuit record it for acquiring rainfall, and by the information input of record to sending out The machine main control chip of penetrating is handled.

4. a kind of wireless doorbell according to claim 3, it is characterised in that: the rain collection circuit uses tipping bucket type rain Meter.

5. a kind of wireless doorbell according to claim 1, it is characterised in that: further include being connect with transmitter main control chip Wind direction Acquisition Circuit, the transmitter are equipped with wind vane, are fixed with bar magnet disk, the wind direction in the rotary shaft of the wind vane Acquisition Circuit includes several tongue tubes, and the bar magnet disk box haul mark rotates to open or close the tongue tube of corresponding position, The tongue tube point is connected with AD converter, counter in turn, and the AD converter is for converting wind direction information, the counter For recording wind speed information, the AD converter connects the input terminal of transmitter main control chip with counter.

6. a kind of wireless doorbell according to claim 5, it is characterised in that: the AD converter is converted using DS2450 Device.

7. a kind of wireless doorbell according to claim 1, it is characterised in that: further include being connect with receiver main control chip Time signal is input at receiver main control chip by clock circuit, the clock circuit for recording time signal Reason.

8. a kind of wireless doorbell according to claim 1, it is characterised in that: further include be connected to transmitter main control chip with Signal processing circuit between wireless transmitter module, the signal processing circuit are used for the signal exported to transmitter main control chip It is handled, the wireless transmitter module is used for that treated that signal emits by signal processing circuit.

9. a kind of wireless doorbell according to claim 1, it is characterised in that: further include be connected to receiver main control chip with Filter circuit and amplifying circuit between wireless receiving module, the signal that the wireless receiving module receives is successively through filtered electrical Receiver main control chip is input to after road is filtered, amplifying circuit amplifies.