CN206322110U - Circuit for automatically saving information after electric furniture powered-off fault - Google Patents
Circuit for automatically saving information after electric furniture powered-off fault Download PDFInfo
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- CN206322110U CN206322110U CN201621478611.8U CN201621478611U CN206322110U CN 206322110 U CN206322110 U CN 206322110U CN 201621478611 U CN201621478611 U CN 201621478611U CN 206322110 U CN206322110 U CN 206322110U
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- pressure regulation
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- mcu controllers
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Abstract
Circuit for automatically saving information after electric furniture powered-off fault, including power-fail detection circuit, MCU controllers, eeprom memory, power circuit；Power circuit includes a bulky capacitor, when power is off, and the bulky capacitor of power circuit can discharge the electric energy of storage, maintain MCU controllers, eeprom memory to continue to run with a period of time；The power-fail detection circuit connects power circuit, when power-fail detection circuit detects power down information, and power down information instruction is sent to MCU controllers, and MCU controllers are received after power down information instruction, by current data storage memory into EEPROM.
Description
Technical field
The utility model is related to the circuit for automatically saving information after electric furniture powered-off fault.
Background technology
User can adjust memory area, it is only necessary to click button, control box when using beddo with remote control
Each driver that beddo will be automatically adjusted reaches specified location.If at this time power-off suddenly, bed will be stuck in a certain
Centre position, it is necessary to first be resetted when electric on next time, can just readjust new memory area, wave is caused in time
Take, Consumer's Experience is also not fully up to expectations.
Utility model content
The purpose of this utility model is to provide a kind of circuit design rationally, can detect outside power down, and store at that time
The circuit for being used to after electric furniture powered-off fault automatically save information of positional information.
The technical scheme in the invention for solving the above technical problem is：For being protected automatically after electric furniture powered-off fault
Stored circuit, including power-fail detection circuit, MCU controllers, eeprom memory, power circuit；Power circuit includes one
Bulky capacitor, when power is off, the bulky capacitor of power circuit can discharge the electric energy of storage, maintain MCU controllers, eeprom memory
Continue to run with a period of time；The power-fail detection circuit connects power circuit, when power-fail detection circuit detects power down information,
Power down information instruction is sent to MCU controllers, MCU controllers receive after power down information instruction, current data storage is arrived
Memory in EEPROM.
Furtherly, the power-fail detection circuit includes first resistor, second resistance, 3rd resistor, the first voltage-stabiliser tube, the
One diode, the first electric capacity；The negative pole of first diode, first resistor, second resistance, the first electric capacity connect after being sequentially connected in series
MCU controllers are connect, 3rd resistor two ends connect the tie point and the first electric capacity and MCU between first resistor and second resistance respectively
Tie point between controller, first voltage-stabiliser tube is in parallel with the first electric capacity.
Furtherly, the power circuit includes power supply, pressure regulation chip, the second diode, the 4th resistance, bulky capacitor, the
Five resistance, filter capacitor, the second voltage-stabiliser tube；3rd pin of the pressure regulation chip is sequentially connected in series the 4th resistance, the second diode
It is grounded after negative pole, the 3rd pin connection bulky capacitor of pressure regulation chip；2nd pin of pressure regulation chip and the 1st pin of pressure regulation chip it
Between connect the 5th resistance, the 1st pin ground connection of pressure regulation chip is grounded after the 2nd pin serial connection filter capacitor of pressure regulation chip, pressure regulation
It is grounded after 2nd the second voltage-stabiliser tube of pin serial connection of chip.
The utility model compared with prior art, with advantages below and effect：Compared to the control without power-down protection circuit
Box processed, can be in outside power-off, and storing memory position, can directly from existing position adjustments to memory area when electric on next time
More comfortably to be experienced to user, you can after power down, without first resetting, then memory area is readjusted.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of power circuit described in the utility model.
Fig. 3 is the structural representation of power-fail detection circuit described in the utility model.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by embodiment, following examples are pair
It is of the present utility model explanation and the utility model is not limited to following examples.
Embodiment 1：
As shown in Figures 1 to 3, for automatically saving the circuit of information, including detection of power loss electricity after electric furniture powered-off fault
Road, MCU controllers, eeprom memory, power circuit；Power circuit includes a bulky capacitor C2, when power is off, power circuit
Bulky capacitor C2 can discharge the electric energy of storage, maintain MCU controllers, eeprom memory to continue to run with a period of time；It is described fall
Power detection circuit connects power circuit, when power-fail detection circuit detects power down information, and power down information is sent to MCU controllers
Instruction, MCU controllers are received after power down information instruction, by current data storage memory into EEPROM.
Power-fail detection circuit described in the present embodiment includes first resistor R1, second resistance R2,3rd resistor R3, the first voltage stabilizing
Pipe Z1, the first diode D1, the first electric capacity C1；The negative pole of the first diode D1, first resistor R1, second resistance R2,
One electric capacity C1 connects MCU controllers after being sequentially connected in series, and 3rd resistor R3 two ends connect first resistor R1 and second resistance R2 respectively
Between tie point and the first electric capacity C1 and MCU controller between tie point, the first voltage-stabiliser tube Z1 and the first electric capacity C1
It is in parallel.
Power circuit described in the present embodiment includes power supply, pressure regulation chip U, the second diode D2, the 4th resistance R4, bulky capacitor
C2, the 5th resistance R5, filter capacitor C3, the second voltage-stabiliser tube Z2；The 3rd pin of the pressure regulation chip U is sequentially connected in series the 4th resistance
It is grounded after R4, the second diode D2 negative pole, pressure regulation chip U the 3rd pin connection bulky capacitor C2；Pressure regulation chip U the 2nd pin
Connect the 5th resistance R5 between pressure regulation chip U the 1st pin, pressure regulation chip U the 1st pin ground connection, the 2nd of pressure regulation chip U the
It is grounded, is grounded after pressure regulation chip U the 2nd the second voltage-stabiliser tube of pin serial connection Z2 after pin serial connection filter capacitor C3.
When outside power-off, the bulky capacitor in power circuit can discharge the electric energy of storage, maintain MCU controllers and
Eeprom memory continues to run with a period of time, and at this moment outside power down information is fed back to MCU controllers by power-fail detection circuit,
MCU controllers are received after the information of power down, and storage current location data is into eeprom memory, when upper electricity next time, when
Front position data are back to MCU controllers from eeprom memory.
Above content described in this specification is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can make various modifications or supplement to described specific embodiment or use class
As mode substitute, content without departing from the utility model specification or surmount model defined in the claims
Enclose, protection domain of the present utility model all should be belonged to.
Claims (3)
1. the circuit for automatically saving information after electric furniture powered-off fault, including power-fail detection circuit, MCU controllers,
Eeprom memory, power circuit；Power circuit includes a bulky capacitor, and when power is off, the bulky capacitor of power circuit will can be stored
Electric energy release, maintain MCU controllers, eeprom memory to continue to run with a period of time；
The power-fail detection circuit connects power circuit, when power-fail detection circuit detects power down information, is sent out to MCU controllers
Power information instruction is given away, MCU controllers are received after power down information instruction, by current data storage memory into EEPROM.
2. be used to automatically save the circuit of information after electric furniture powered-off fault as claimed in claim 1, it is characterized in that, it is described fall
Power detection circuit includes first resistor, second resistance, 3rd resistor, the first voltage-stabiliser tube, the first diode, the first electric capacity；It is described
The negative pole of first diode, first resistor, second resistance, the first electric capacity connect MCU controllers, 3rd resistor two after being sequentially connected in series
Tie point between the tie point and the first electric capacity and MCU controllers of end respectively between connection first resistor and second resistance, institute
State the first voltage-stabiliser tube in parallel with the first electric capacity.
3. it is used to after electric furniture powered-off fault automatically save the circuit of information as claimed in claim 1 or 2, it is characterized in that, institute
Stating power circuit includes power supply, pressure regulation chip, the second diode, the 4th resistance, bulky capacitor, the 5th resistance, filter capacitor, second
Voltage-stabiliser tube；3rd pin of the pressure regulation chip is sequentially connected in series the 4th resistance, the negative pole of the second diode, and the 3rd of pressure regulation chip draws
It is grounded after pin connection bulky capacitor；
Connected between 2nd pin of pressure regulation chip and the 1st pin of pressure regulation chip the 5th resistance, the 1st pin of pressure regulation chip connects
It is grounded, is grounded after the 2nd the second voltage-stabiliser tube of pin serial connection of pressure regulation chip after ground, the 2nd pin serial connection filter capacitor of pressure regulation chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478611.8U CN206322110U (en) | 2016-12-30 | 2016-12-30 | Circuit for automatically saving information after electric furniture powered-off fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478611.8U CN206322110U (en) | 2016-12-30 | 2016-12-30 | Circuit for automatically saving information after electric furniture powered-off fault |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206322110U true CN206322110U (en) | 2017-07-11 |
Family
ID=59260674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621478611.8U Active CN206322110U (en) | 2016-12-30 | 2016-12-30 | Circuit for automatically saving information after electric furniture powered-off fault |
Country Status (1)
| Country | Link |
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| CN (1) | CN206322110U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108184284A (en) * | 2017-12-15 | 2018-06-19 | 浙江凯耀照明股份有限公司 | Switch color-temperature regulating intelligent controller and its control method |
| WO2024016792A1 (en) * | 2022-07-18 | 2024-01-25 | 珠海格力电器股份有限公司 | Memory chip anti-miswrite control method and apparatus, and electrical device |
-
2016
- 2016-12-30 CN CN201621478611.8U patent/CN206322110U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108184284A (en) * | 2017-12-15 | 2018-06-19 | 浙江凯耀照明股份有限公司 | Switch color-temperature regulating intelligent controller and its control method |
| WO2024016792A1 (en) * | 2022-07-18 | 2024-01-25 | 珠海格力电器股份有限公司 | Memory chip anti-miswrite control method and apparatus, and electrical device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 314000 room 247, building 6, Jiaxing Photovoltaic Science and Innovation Park, 1288 Kanghe Road, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee after: Dworkon Technology Group Co., Ltd Address before: Jiaxing City, Zhejiang province 314016 Sanfeng wangjiangjing Road Development Zone No. 410 Building No. 4 Patentee before: OKIN Refined Electric Technology Co.,Ltd. |