CN207164931U - A kind of low-consumption wireless doorbell - Google Patents
A kind of low-consumption wireless doorbell Download PDFInfo
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- CN207164931U CN207164931U CN201721131856.8U CN201721131856U CN207164931U CN 207164931 U CN207164931 U CN 207164931U CN 201721131856 U CN201721131856 U CN 201721131856U CN 207164931 U CN207164931 U CN 207164931U
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Abstract
The utility model discloses a kind of low-consumption wireless doorbell, including：Single-chip microcomputer, the first metal-oxide-semiconductor, second metal-oxide-semiconductor etc., the state of monolithic machine testing doorbell, after single-chip microcomputer detects that doorbell is pressed, single-chip microcomputer controls the conducting of the first metal-oxide-semiconductor, wake up doorbell work, when controlling the first metal-oxide-semiconductor closure, doorbell is in low-power consumption standby state, and such a control mode can effectively reduce stand-by power consumption.When direct current power source voltage is equal to 3.3V or less than 3.3V, single-chip microcomputer controls the conducting of the second metal-oxide-semiconductor, close the first metal-oxide-semiconductor, DC power supply terminal can directly be supplied electricity to signal processing module by the conducting of the second metal-oxide-semiconductor, WIFI module still can be used, dc source low-voltage part electricity can be fully used, and improve the utilization rate of dc source electricity.When direct current power source voltage wretched insufficiency, during much smaller than 3.3V, single-chip microcomputer can close the first metal-oxide-semiconductor and the second metal-oxide-semiconductor, only start the 3rd metal-oxide-semiconductor, and the WIFI module of system is unavailable, but this doorbell can still be used as common doorbell use.
Description
Technical field
It the utility model is related to wireless doorbell field, more particularly to a kind of low-consumption wireless doorbell.
Background technology
Chip typically can all carry the enabled pin of EN or software control doorbell enters standby mode, currently in order to reducing doorbell
Power consumption when standby, the park mode carried using chip or by single-chip microcomputer control EN enable pin come make system enter it is standby
Pattern, when doorbell needs work, pin is enabled to make system enter mode of operation by interrupting park mode or control EN eventually.
But the park mode that carries of chip or controlling EN to enable pin by single-chip microcomputer makes doorbell enter standby mode, and
The power consumption of whole system can not be effectively reduced, because the power consumption of chip just has several microamperes under such a state, outside upper drop-down
Other elements such as resistance can all have a part power consumption, and the power dissipation ratio when power consumptions of all elements adds up system standby is higher.And
Prior art there is also an issue be battery usage time it is shorter, can not be supplied when cell voltage is less than 3.3V to chip
Electricity, battery low-pressure section can not be fully used.
Therefore, the prior art is defective, it is necessary to improve.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of low-consumption wireless doorbell, reduces doorbell
Power consumption when standby, and improve the utilization rate of battery.
The technical solution of the utility model is as follows：A kind of low-consumption wireless doorbell, including：Single-chip microcomputer, the first metal-oxide-semiconductor,
Two metal-oxide-semiconductors, signal processing module, dc source, protection module, DC-DC power source chip and audio chip, the signal transacting
Module includes DSP and WIFI module, and the first end of the protection module is connected with the dc source, the protection module
Second end is connected with the source electrode of first metal-oxide-semiconductor, and the grid of first metal-oxide-semiconductor connects with the second pin of the single-chip microcomputer
Connect, the drain electrode of first metal-oxide-semiconductor is connected with the first pin of the first pin of DC-DC power source chip and audio chip, institute
The first pin that the source electrode of the second metal-oxide-semiconductor is stated with the 3rd end of the protection module and single-chip microcomputer is connected, second metal-oxide-semiconductor
Grid be connected with the 3rd pin of the single-chip microcomputer, the drain electrode and the second of the DC-DC power source chip of second metal-oxide-semiconductor
Pin, the second pin of audio chip and signal processing module connection.
This doorbell also includes the 3rd metal-oxide-semiconductor and transmitting chip, source electrode and the protection module of the 3rd metal-oxide-semiconductor
4th end is connected, and its grid is connected with the 4th pin of the single-chip microcomputer, and its drain electrode is connected with the transmitting chip.
The model SYN117 of the transmitting chip.
The model ALC5621 of the audio chip.
The protection module includes：Overcharge protection circuit, feedback protection circuit and short-circuit protection circuit.
The voltage of the DC-DC power source chip output is 3.3V.
Using such scheme, the utility model provides a kind of low-consumption wireless doorbell, employs the monolithic movement of low-power consumption
Piece, sleep power consumption can be with as little as 3uA.First metal-oxide-semiconductor control system dormancy, the state of monolithic machine testing doorbell, when monolithic machine examination
Measure after doorbell is pressed, single-chip microcomputer controls the conducting of the first metal-oxide-semiconductor, wakes up doorbell work, now doorbell can normal work, monolithic
The closing of the metal-oxide-semiconductor of machine timing controlled first, when controlling the first metal-oxide-semiconductor closure, doorbell is in low-power consumption standby state, such a control
Mode processed can effectively reduce stand-by power consumption.Single-chip microcomputer gather direct current power source voltage data, when direct current power source voltage be equal to 3.3V or
During less than 3.3V, due to the requirement of DC-DC power source chip pressure drop, output voltage can be less than DSP requirement voltage, now single-chip microcomputer
Control the second metal-oxide-semiconductor to turn on, close the first metal-oxide-semiconductor, the conducting of the second metal-oxide-semiconductor can directly supply electricity to DC power supply terminal at signal
Module is managed, thus whole system still can be with normal work after direct current power source voltage is reduced to below 3.3V, WIFI module is still
It can be used, dc source low-voltage part electricity can be fully used, and improve the utilization rate of dc source electricity.When straight
Supply voltage wretched insufficiency is flowed, during much smaller than 3.3V, because now direct current power source voltage has not reached DSP power reguirements,
The electricity of dc source can not support WIFI module to start transmission, and now single-chip microcomputer can be the first metal-oxide-semiconductor and the second metal-oxide-semiconductor
Close, only start the 3rd metal-oxide-semiconductor, the WIFI module of system is unavailable, but system per se with 433 communication still retain, this
Doorbell can still be used as common doorbell to use, i.e., only have the function that jingle bell.The utility model is switched by 3 road metal-oxide-semiconductors
Control, the electricity of dc source is made full use of.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Referring to Fig. 1, the utility model provides a kind of low-consumption wireless doorbell, including：Single-chip microcomputer 1, the first metal-oxide-semiconductor 2,
Two metal-oxide-semiconductors 3, signal processing module 4, dc source 6, protection module 7, DC-DC power source chip 8 and audio chip 11, it is described
Signal processing module 4 includes DSP and WIFI module.The protection module 7 includes：Overcharge protection circuit, feedback protection circuit
And short-circuit protection circuit, the first end of the protection module 7 are connected with the dc source 6, the second of the protection module 7
End is connected with the source electrode of first metal-oxide-semiconductor 2, and the grid of first metal-oxide-semiconductor 2 is connected with the second pin of the single-chip microcomputer 1,
The drain electrode of first metal-oxide-semiconductor 2 is connected with the first pin of the first pin of DC-DC power source chip 8 and audio chip 11, institute
State the model ALC5621 of audio chip 11.Threeth end and list of the source electrode of second metal-oxide-semiconductor 3 with the protection module 7
The first pin connection of piece machine 1, the grid of second metal-oxide-semiconductor 3 are connected with the 3rd pin of the single-chip microcomputer 1, and described second
The drain electrode of metal-oxide-semiconductor 3 and second pin, the second pin of audio chip 11 and the signal transacting mould of the DC-DC power source chip 8
Block 4 connects.
Further, this wireless doorbell also includes the 3rd metal-oxide-semiconductor 12 and transmitting chip 13, the 3rd metal-oxide-semiconductor 12
Source electrode is connected with the 4th end of the protection module 7, and its grid is connected with the 4th pin of the single-chip microcomputer 1, and it drains and institute
State transmitting chip 13 to connect, the model SYN117 of the transmitting chip 13.
In summary, the utility model provides a kind of low-consumption wireless doorbell, employs the singlechip chip of low-power consumption, sleeps
Dormancy power consumption can be with as little as 3uA.First metal-oxide-semiconductor control system dormancy, the state of monolithic machine testing doorbell, when single-chip microcomputer detects door
After bell is pressed, single-chip microcomputer control the first metal-oxide-semiconductor conducting, wake up doorbell work, now doorbell can normal work, single-chip microcomputer timing
The closing of the first metal-oxide-semiconductor is controlled, when controlling the first metal-oxide-semiconductor closure, doorbell is in low-power consumption standby state, such a control mode
Stand-by power consumption can effectively be reduced.Single-chip microcomputer gathers direct current power source voltage data, when direct current power source voltage is equal to 3.3V or is less than
During 3.3V, due to the requirement of DC-DC power source chip pressure drop, output voltage can be less than DSP requirement voltage, and now single-chip microcomputer controls
Second metal-oxide-semiconductor is turned on, and closes the first metal-oxide-semiconductor, and DC power supply terminal can directly be supplied electricity to signal transacting by the conducting of the second metal-oxide-semiconductor
Module, thus whole system still can be with normal work after direct current power source voltage is reduced to below 3.3V, WIFI module can make
With dc source low-voltage part electricity can be fully used, and improve the utilization rate of dc source electricity.Work as direct current
Source voltage wretched insufficiency, during much smaller than 3.3V, because now direct current power source voltage has not reached DSP power reguirements, direct current
The electricity of power supply can not support WIFI module to start transmission, and now single-chip microcomputer can be the first metal-oxide-semiconductor and the second metal-oxide-semiconductor pass
Close, only start the 3rd metal-oxide-semiconductor, the WIFI module of system is unavailable, but system per se with 433 communication still retain, Ben Men
Bell can still be used as common doorbell to use, i.e., only have the function that jingle bell.The utility model carries out switch control by 3 road metal-oxide-semiconductors
System, the electricity of dc source is made full use of.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, it is all in this practicality
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (6)
- A kind of 1. low-consumption wireless doorbell, it is characterised in that including：Single-chip microcomputer, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, signal transacting Module, dc source, protection module, DC-DC power source chip and audio chip, the signal processing module include DSP and WIFI module, the first end of the protection module are connected with the dc source, the second end of the protection module and described the The source electrode connection of one metal-oxide-semiconductor, the grid of first metal-oxide-semiconductor are connected with the second pin of the single-chip microcomputer, first metal-oxide-semiconductor Drain electrode be connected with the first pin of DC-DC power source chip and the first pin of audio chip, the source electrode of second metal-oxide-semiconductor It is connected with the 3rd end of the protection module and the first pin of single-chip microcomputer, grid and the monolithic of second metal-oxide-semiconductor The 3rd pin connection of machine, the drain electrode of second metal-oxide-semiconductor and the second pin of the DC-DC power source chip, audio chip Second pin and signal processing module connection.
- 2. low-consumption wireless doorbell according to claim 1, it is characterised in that also including the 3rd metal-oxide-semiconductor and transmitting core Piece, the source electrode of the 3rd metal-oxide-semiconductor are connected with the 4th end of the protection module, the 4th pin of its grid and the single-chip microcomputer Connection, its drain electrode are connected with the transmitting chip.
- 3. low-consumption wireless doorbell according to claim 2, it is characterised in that the model of the transmitting chip SYN117。
- 4. low-consumption wireless doorbell according to claim 1, it is characterised in that the model of the audio chip ALC5621。
- 5. low-consumption wireless doorbell according to claim 1, it is characterised in that the protection module includes：Overcharge protection Circuit, feedback protection circuit and short-circuit protection circuit.
- 6. low-consumption wireless doorbell according to claim 1, it is characterised in that the electricity of the DC-DC power source chip output Press as 3.3V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721131856.8U CN207164931U (en) | 2017-09-05 | 2017-09-05 | A kind of low-consumption wireless doorbell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721131856.8U CN207164931U (en) | 2017-09-05 | 2017-09-05 | A kind of low-consumption wireless doorbell |
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| CN207164931U true CN207164931U (en) | 2018-03-30 |
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| CN201721131856.8U Active CN207164931U (en) | 2017-09-05 | 2017-09-05 | A kind of low-consumption wireless doorbell |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108734905A (en) * | 2018-06-30 | 2018-11-02 | 深圳市朗强科技有限公司 | A kind of low-power consumption doorbell |
| 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 |
| CN109561279A (en) * | 2018-10-11 | 2019-04-02 | 杭州雄迈信息技术有限公司 | It is a kind of support single-direction and dual-direction switch intelligent visual door bell and its wake up switching method |
-
2017
- 2017-09-05 CN CN201721131856.8U patent/CN207164931U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108734905A (en) * | 2018-06-30 | 2018-11-02 | 深圳市朗强科技有限公司 | A kind of low-power consumption doorbell |
| CN108734905B (en) * | 2018-06-30 | 2023-09-15 | 深圳市朗强科技有限公司 | Low-power doorbell |
| 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 |
| CN109561279A (en) * | 2018-10-11 | 2019-04-02 | 杭州雄迈信息技术有限公司 | It is a kind of support single-direction and dual-direction switch intelligent visual door bell and its wake up switching method |
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