CN207571850U - Low-power consumption doorbell circuit - Google Patents
Low-power consumption doorbell circuit Download PDFInfo
- Publication number
- CN207571850U CN207571850U CN201721854086.XU CN201721854086U CN207571850U CN 207571850 U CN207571850 U CN 207571850U CN 201721854086 U CN201721854086 U CN 201721854086U CN 207571850 U CN207571850 U CN 207571850U
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- Prior art keywords
- low
- power consumption
- receiving module
- integrated amplifier
- connect
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Abstract
The utility model proposes a kind of low-power consumption doorbell circuit, it includes wireless transmitter and receiver, the wireless transmitter includes wireless transmitter module IC1, and the receiver includes wireless receiving module IC2, microcontroller U2, audio integrated amplifier chip U3, buzzer and power circuit；The power circuit includes metal-oxide-semiconductor G, voltage stabilizing chip U1 and battery, and the power input of the wireless receiving module IC2 is directly connect with the battery；The microcontroller U2 is connect with the audio integrated amplifier chip U3；The output pin of the audio integrated amplifier chip U3 is connect with the buzzer；The second electrical level output pin of the wireless receiving module IC2 connects the Enable Pin of the voltage stabilizing chip U1；When the first level output pin is high level, the second storage battery output pin is low level.The utility model realizes low-power consumption, does not need to often replace battery.
Description
Technical field
The utility model is related to a kind of low-power consumption doorbell circuits.
Background technology
Doorbell is almost the skinny device of every household indispensability, and current doorbell majority is to use battery powered, still, at present
Doorbell circuit design it is unreasonable, in standby mode, power consumption is big, and battery is caused not to be durable, and needs to be replaced frequently battery, makes
It is higher with cost.
Therefore, the doorbell circuit for researching and developing a low-power consumption has broad application prospects.
Utility model content
For above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of low-power consumption, are not required to
Often to replace the low-power consumption doorbell circuit of battery.
The technical solution adopted by the utility model to solve its technical problems is that：A kind of low-power consumption doorbell circuit, it includes
Wireless transmitter and receiver, the wireless transmitter include wireless transmitter module IC1, and the receiver includes wireless receiving mould
Block IC2, it is characterized in that, the receiver further includes microcontroller U2, audio integrated amplifier chip U3, buzzer and power circuit；
The power circuit includes metal-oxide-semiconductor G, voltage stabilizing chip U1 and battery, the first level of the wireless receiving module IC2
Output pin connects the grid G of metal-oxide-semiconductor, and the source S connection battery of the metal-oxide-semiconductor connects between the grid G and source S of metal-oxide-semiconductor
A resistance is connect, drain D connects the VCC pin of the microcontroller U2 and the VIN pins of voltage stabilizing chip U1 respectively；The voltage stabilizing chip
The output voltage of U1 is connect with the voltage input pin of the audio integrated amplifier chip U3；
The power input of the wireless receiving module IC2 is directly connect with the battery；
The microcontroller U2 is connect with the audio integrated amplifier chip U3；The output of the audio integrated amplifier chip U3
Pin is connect with the buzzer；The second electrical level output pin of the wireless receiving module IC2 connects the voltage stabilizing chip U1's
Enable Pin；When the first level output pin is high level, the second storage battery output pin is low level.
Further, the receiver further includes memory card slot.
Preferably, the voltage stabilizing chip is TPS78228 chips.
Preferably, the microcontroller is MSP430F249 microcontrollers.
Preferably, the audio integrated amplifier chip U3 is LM386 chips.
The beneficial effects of the utility model are：It forms energy-saving circuit by metal-oxide-semiconductor and voltage stabilizing chip, passes through wireless receiving mould
The turn-on and turn-off of two level output pin controlling power circuits of block IC2, in standby mode, in addition to wireless receiving module
Other components all no powers except IC2, ensure that low-power consumption.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
The part preferred embodiment of utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the circuit diagram of the utility model.
Specific embodiment
1 pair of specific embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings：
The utility model includes wireless transmitter and receiver, and the wireless transmitter includes wireless transmitter module IC1, electricity
Pond E2 and button SB.The receiver includes wireless receiving module IC2, microcontroller U2, audio integrated amplifier chip U3, buzzer
SPK and power circuit.Microcontroller is preferably MSP430F249 microcontrollers.The audio integrated amplifier chip U3 is preferably LM386
Chip.Wireless transmitter module IC1, wireless receiving module IC2 preferably select the RCM-1A/ of Xiang Technological research institute of Xi'an China development and production
The consumption of 1B types micropower, ultra-short wave radio remote control module component.
The power circuit includes metal-oxide-semiconductor G, voltage stabilizing chip U1 and battery E1, and voltage stabilizing chip is preferably TPS78228 chips.
The grid G of the first level output pin 3 connection metal-oxide-semiconductor of the wireless receiving module IC2, the source S connection electricity of the metal-oxide-semiconductor
Pond E1, connects a resistance R2 between the grid G and source S of metal-oxide-semiconductor, and drain D connects the VCC pin of the microcontroller U2 respectively
With the VIN pins of voltage stabilizing chip U1.The output voltage VO UT of the voltage stabilizing chip U1 is 2.8V, with the audio integrated amplifier core
The voltage input pin VS connections of piece U3, power for it.
The power input Vin of the wireless receiving module IC2 is directly connect with the battery E1, under standby mode, only
There are wireless receiving module IC2 energizations.
The P1.0 pins of the microcontroller U2 are connect with the IN+ pins of the audio integrated amplifier chip U3.The audio
The output pin VOUT of integrated amplifier chip U3 is connect with the buzzer SPK.The second electrical level of the wireless receiving module IC2
Output pin 2 meets the Enable Pin EN of the voltage stabilizing chip U1.When the first level output pin 3 is high level, the second electricity
Bottle output pin 2 is low level, conversely, when the first level output pin 3 is low level, the second storage battery output pin 2 is high electricity
It is flat.
In order to realize the variable of doorbell music, user can set music according to oneself demand, as shown in fig. 1, described
Receiver further includes memory card slot SD-CARD.
The operation principle of the utility model is as follows：Under standby mode, the wireless transmitter module IC1 of wireless transmitter is low work(
Electricity condition is consumed to obtain, wireless receiving module IC2 is also at low-power consumption and obtains electricity condition, when ringing a doorbell, pushes button SB, wireless transmission
Module I C1 sends signal to wireless receiving module IC2, and the pin 3 of wireless receiving module IC2 is converted to low level from high level,
Pin 2 is high level from low transition, and metal-oxide-semiconductor conducting, the drain D end output 3.6V voltages of metal-oxide-semiconductor, voltage stabilizing chip U1's is defeated
Outlet VOUT exports 2.8V voltages, and 3.6V voltages supply audio integrated amplifier chip U3 and RAM card for microcontroller U1,2.8V voltage
Slot SD-CARD.Microcontroller U1 obtain it is electric after read RAM card in audio pass through audio integrated amplifier chip U3 play.
The main feature and structure of above-mentioned the utility model, it is obvious to a person skilled in the art that the utility model
The details of above-mentioned exemplary embodiment is not limited to, and in the case of the spirit or essential attributes without departing substantially from the utility model,
It also is able to realize the utility model in other specific forms.Therefore, in all respects, the embodiments should be taken as
It is exemplary, and be non-limiting.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of low-power consumption doorbell circuit, it includes wireless transmitter and receiver, and the wireless transmitter includes wireless transmission
Module I C1, the receiver include wireless receiving module IC2, it is characterized in that, the receiver further includes microcontroller U2, audio
Integrated amplifier chip U3, buzzer and power circuit；
The power circuit includes metal-oxide-semiconductor G, voltage stabilizing chip U1 and battery, and the first level of the wireless receiving module IC2 exports
Pin connects the grid G of metal-oxide-semiconductor, and the source S connection battery of the metal-oxide-semiconductor connects one between the grid G and source S of metal-oxide-semiconductor
Resistance, drain D connect the VCC pin of the microcontroller U2 and the VIN pins of voltage stabilizing chip U1 respectively；The voltage stabilizing chip U1's
Output voltage is connect with the voltage input pin of the audio integrated amplifier chip U3；
The power input of the wireless receiving module IC2 is directly connect with the battery；
The microcontroller U2 is connect with the audio integrated amplifier chip U3；The output pin of the audio integrated amplifier chip U3
It is connect with the buzzer；The second electrical level output pin of the wireless receiving module IC2 connects the enabled of the voltage stabilizing chip U1
End；When the first level output pin is high level, the second storage battery output pin is low level.
2. low-power consumption doorbell circuit according to claim 1, it is characterized in that, the receiver further includes memory card slot.
3. low-power consumption doorbell circuit according to claim 1, it is characterized in that, the voltage stabilizing chip is TPS78228 chips.
4. low-power consumption doorbell circuit according to claim 1, it is characterized in that, the microcontroller is MSP430F249 monolithics
Machine.
5. low-power consumption doorbell circuit according to claim 1, it is characterized in that, the audio integrated amplifier chip U3 is
LM386 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854086.XU CN207571850U (en) | 2017-12-27 | 2017-12-27 | Low-power consumption doorbell circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854086.XU CN207571850U (en) | 2017-12-27 | 2017-12-27 | Low-power consumption doorbell circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207571850U true CN207571850U (en) | 2018-07-03 |
Family
ID=62685464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721854086.XU Expired - Fee Related CN207571850U (en) | 2017-12-27 | 2017-12-27 | Low-power consumption doorbell circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207571850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035637A (en) * | 2018-08-21 | 2018-12-18 | 深圳市朗强科技有限公司 | A kind of recognition of face low-power consumption doorbell |
-
2017
- 2017-12-27 CN CN201721854086.XU patent/CN207571850U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035637A (en) * | 2018-08-21 | 2018-12-18 | 深圳市朗强科技有限公司 | A kind of recognition of face low-power consumption doorbell |
| CN109035637B (en) * | 2018-08-21 | 2024-01-05 | 深圳市朗强科技有限公司 | Face recognition low-power doorbell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 Termination date: 20181227 |