CN100421042C - Sensor driving device and its method - Google Patents
Sensor driving device and its method Download PDFInfo
- Publication number
- CN100421042C CN100421042C CNB2005101032829A CN200510103282A CN100421042C CN 100421042 C CN100421042 C CN 100421042C CN B2005101032829 A CNB2005101032829 A CN B2005101032829A CN 200510103282 A CN200510103282 A CN 200510103282A CN 100421042 C CN100421042 C CN 100421042C
- Authority
- CN
- China
- Prior art keywords
- sensor
- home appliance
- power supply
- information
- control signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Selective Calling Equipment (AREA)
Abstract
The present invention relates to a sensor driving device and its method for saving idle power consumption, which saves the power consumption by applying power supply on the sensor only when the household appliances is operated by the user's instruction. According to this, the sensor driving device of the household appliances comprises: an information input element for inputting the operation information; a control element for supplying the power to the sensor based on the information inputted by the information input element; a sensor power supply element for providing the sensor a working voltage based on the control of the control element.
Description
Technical field
The present invention relates to a kind of sensor drive driving circuit that is used to save stand-by electric, relate in particular to a kind of and when the user brings into operation, apply power supply to sensor, thus sensor drive device and the method thereof that can save stand-by electric.
Background technology
Recently, along with analog-and digital-technology rapid development, the electronic product with most advanced and sophisticated function is popularized rapidly in each family and professional scene.
But, the increase of this electronic product increases power consumption, the home appliance such as micro-wave oven, air conditioner, air cleaner that is particularly useful for daily life (as a reference, so-called home appliance is the electronic product that causes power consumption), insert power plug even when not using, need only, the various sensors that then are arranged on home appliance (for example, gas sensor or dust sensor etc.) on be applied in power supply, thereby under holding state, also can continue to consume stand-by electric (the stand-by electric difference that each home appliance consumed is usually in the scope of 4～10W/h).
So, the home appliance sensor drive driving circuit that is provided with the big sensor of power consumption as shown in Figure 1.
The existing sensors driving circuit as shown in Figure 1, if insert power plug to the home appliance power supply, then sensor 1 (for example gas sensor) is gone up the directly operating voltage of access+5V, thereby with the running status of home appliance or holding state is irrelevant and continue to detect airborne gas concentration in sensor 1, promptly continue to detect sensor output value, and with connector 3 2. the pin magnitude of voltage Vout that to be media will be proportional to detected sensor output value by resistance R 5 and capacitor C 5 be input to the sensor terminal (SENSOR_IN) of chip.
But, this existing sensors driving circuit, because home appliance is applied in power supply and rises directly to give on the sensor 1 and apply operating voltage, thereby irrelevant with the duty or the holding state of home appliance, sensor 1 continues the consumption stand-by electric with duty always when standby move.
The rising of this sensor 1 stand-by electric can not respond the stand-by electric relevant regulations of mentioning recently, and the consumption of simultaneously unnecessary stand-by electric causes the tremendous loss of country.
Summary of the invention
The present invention proposes in order to solve aforesaid existing issue, and its purpose is to provide a kind of to apply power supply and the sensor drive device and the method thereof of saving unnecessary stand-by electric to sensor when the user brings into operation.
To achieve these goals, the sensor drive device that is arranged on home appliance provided by the present invention is characterized in that comprising: information input unit, the information that is used to import the information of the described home appliance of operation and stops the operation of described home appliance; Control part, the information that is used for the described home appliance of operation imported according to described information input unit is controlled and power supply is fed to described sensor, and the information of the operation of importing according to described information input unit that stops described home appliance is controlled the power supply supply of cutting off described sensor; Probe power supply department is used for supplying or cutting off according to the control of described control part the operating voltage of described sensor.
And, described probe power supply department comprises by control part and receives power control signal and supply or cut off the on-off element of described working sensor voltage, and described on-off element is for receiving the transistor that power control signal opens or closes action by control part.
And, the magnitude of voltage that the present invention further comprises the output valve that is used to detect described sensor and will be proportional to the sensor output value that is detected is input to the sensed values test section of described control part, and described sensed values test section comprises the filter element that is used to eliminate the interference component that sensor output value contains and the fixed-frequency element of fixed frequency in order stably to detect described sensor output value.
And described fixed-frequency element draws (pull up) resistance on being.
The sensor drive method that is arranged in the home appliance provided by the present invention is characterized in that comprising step: input is used to move the operation information of described home appliance; If operation information is transfused to, then produce the power control signal that is used for power supply is fed to described sensor; According to the power control signal that is produced, make on-off element work and operating voltage is fed to described sensor; Input is used to make described home appliance to be in the operation Stop message of standby operation; If the operation Stop message is transfused to, then produces power supply is not fed to power control signal on the described sensor; According to the power control signal that is produced, make on-off element work and cut off the operating voltage of described sensor.
Description of drawings
Fig. 1 is the circuit diagram of existing sensors drive unit;
The circuit diagram of the sensor drive device that Fig. 2 is provided for foundation an embodiment of the present invention;
Fig. 3 is the workflow diagram according to sensor drive method provided by the present invention.
Embodiment
Below, the embodiment that present invention will be described in detail with reference to the accompanying.
The circuit diagram of the sensor drive device that Fig. 2 is provided for foundation an embodiment of the present invention comprises information input unit 10, control part 20, probe power supply department 30, sensor 40, sensor splicing ear 50 and sensed values test section 60.
Described information input unit 10 is the operation of importing home appliance according to user's instruction or the operating portion that moves the home appliance of Stop message.
Described control part 20 is a kind of chip, be used to control the overall work of the home appliance that is provided with sensor 40, and export the power control signal that is used to supply or cut off sensor 40 operating voltage to probe power supply department 30 according to operation or operation Stop message that described information input unit 10 is imported.
Described probe power supply department 30 according to the power control signal supply of being imported by control part 20 or cut off sensor 40 operating voltage (+5V), and for the operating voltage of supplying or cut off described sensor 40 (+5V), comprise: the transistor T R that receives the switch motion that the control signal by the lead-out terminal P1 output of control part 20 opens or closes by resistance R 2; Emitter terminal, opposite side that one side is connected in described transistor T R are connected in described resistance R 2 and make the resistance R 1 that is used for stable level when the switch motion of transistor T R.
Described sensor 40 for the various sensor classes that can be arranged on home appliance (for example, gas sensor or dust sensor etc.), be connected in probe power supply department 30 and sensed values test section 60 by sensor splicing ear 50, and by probe power supply department 30 cut-in operation voltages (+5V) detect the sensor output value that changes with external condition, the magnitude of voltage of the sensor output value that detects being proportional to is input to sensed values test section 60.
Described sensed values test section 60 comprises: be used for eliminating resistance R 3 and capacitor C 1 by the contained interference component of voltage of sensor 40 inputs; One side is connected in the pull-up resistor R4 that described resistance R 3, opposite side are connected in the collector terminal of described transistor T R, fixed frequency when being used for the sensor output value when the described sensor 40 of input and detecting sensor output valve stably.
Below, the course of work and the action effect of aforesaid sensor drive device and method thereof are described.
Fig. 3 is the workflow diagram according to sensor drive method provided by the present invention.
At first, insert power plug (S100) after the home appliance power supply, the user brings into operation in order to move home appliance, then by information input unit 10 operation information is input to control part 20 according to user instruction.
Then, control part 20 judges whether import operation information (S110) by information input unit 10, if be transfused to operation information, then by lead-out terminal P1 low level signal is outputed to probe power supply department 30.
Thus, be input among the transistor T R of probe power supply department 30 by resistance R 2, make transistor T R open switch motion (S120) by the low level signal of the lead-out terminal P1 of control part 20 output.
If described transistor T R opens switch motion, then the operating voltage of being supplied by power supply unit (not shown) (+5V) with transistor T R be media by sensor splicing ear 50 the 3. pin put on sensor 40, make sensor 40 work (S130).
Along with being applied in power supply on the described sensor 40, detect airborne gas concentration (dustiness) in the sensor 40, be the detecting sensor output valve, and by sensor splicing ear 50 2. the pin magnitude of voltage Vout that will be proportional to the sensor output value that is detected be input to sensed values test section 60.
Then, sensed values test section 60 is eliminated the interference component that is contained in the voltage of being imported by sensor 40 by resistance R 3 and capacitor C 1, and sensor output value is input to the input terminal P2 of control part 20, judge that according to the sensor output value that is input to described control part 20 airborne dustiness carries out suitable Control work.
Then, if the user closes in order to stop home appliance when moving, then will move Stop message by information input unit 10 and be input to control part 20 according to user instruction.
Therefore, control part 20 judges from information input unit 10 whether import operation Stop message (S140), if be transfused to the operation Stop message, then by lead-out terminal P1 high level signal is outputed to probe power supply department 30.
Thus, be input among the transistor T R of probe power supply department 30 by resistance R 2, make transistor T R do off switch action (S150) by the high level signal of the lead-out terminal P1 of control part 20 output.
If described transistor T R does off switch action, then be fed to sensor 40 operating voltage (+5V) be cut off, do not have cut-in operation voltage (S160) on the sensor 40.
So, the present invention according to user instruction only when the operation home appliance to sensor 40 apply operating voltage (+5V), thereby can save the unnecessary stand-by electric (moving the consumption electric power under the holding state) that moves when stopping.
As mentioned above, according to sensor drive device provided by the present invention and method thereof, only when the user brings into operation, apply power supply, thereby have the effect that to save unnecessary stand-by electric to sensor.
Above-mentioned explanation is only limited to describes an embodiment who is used for implementation basis sensor drive device provided by the present invention and method thereof, but the present invention is not limited to the foregoing description, have it should be appreciated by those skilled in the art that under the situation that does not break away from technological thought of the present invention of common knowledge and can carry out various distortion.
Claims (6)
1. sensor drive device that is arranged on home appliance is characterized in that comprising:
Information input unit, the information that is used to import the information of the described home appliance of operation and stops the operation of described home appliance;
Control part, the information that is used for the described home appliance of operation imported according to described information input unit is controlled and power supply is fed to described sensor, and the information of the operation of importing according to described information input unit that stops described home appliance is controlled the power supply supply of cutting off described sensor;
Probe power supply department is used for supplying or cutting off according to the control of described control part the operating voltage of described sensor.
2. device according to claim 1 is characterized in that described probe power supply department comprises by control part to receive power control signal and supply or cut off the on-off element of described working sensor voltage.
3. device according to claim 2 is characterized in that described on-off element is for receiving the transistor that power control signal opens or closes action by control part.
4. device according to claim 1, the magnitude of voltage that it is characterized in that further comprising the output valve that detects described sensor and will be proportional to the sensor output value that is detected is input to the sensed values test section of described control part, and described sensed values test section comprises the filter element that is used to eliminate the interference component that sensor output value contains and the fixed-frequency element of fixed frequency in order stably to detect described sensor output value.
5. device according to claim 4 is characterized in that described fixed-frequency element is a pull-up resistor.
6. sensor drive method that is arranged in the home appliance is characterized in that comprising step:
Input is used to move the operation information of described home appliance;
If operation information is transfused to, then produce the power control signal that is used for power supply is fed to described sensor;
According to the power control signal that is produced, make on-off element work and operating voltage is fed to described sensor;
Input is used to make described home appliance to be in the operation Stop message of standby operation;
If the operation Stop message is transfused to, then produces power supply is not fed to power control signal on the described sensor;
According to the power control signal that is produced, make on-off element work and cut off the operating voltage of described sensor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050069106 | 2005-07-28 | ||
| KR10-2005-0069106 | 2005-07-28 | ||
| KR1020050069106A KR20070014458A (en) | 2005-07-28 | 2005-07-28 | Apparatus for driving sensor and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1904779A CN1904779A (en) | 2007-01-31 |
| CN100421042C true CN100421042C (en) | 2008-09-24 |
Family
ID=37674052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101032829A Active CN100421042C (en) | 2005-07-28 | 2005-09-20 | Sensor driving device and its method |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20070014458A (en) |
| CN (1) | CN100421042C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966527A (en) * | 2017-11-15 | 2018-04-27 | 卧龙电气集团股份有限公司 | A kind of air quality sensor for air circulation system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987000702A1 (en) * | 1985-07-23 | 1987-01-29 | James Macgregor | Stand-by power supply |
| CN2232175Y (en) * | 1995-02-23 | 1996-07-31 | 许丁发 | Power supply controller for communicator |
| US20030055550A1 (en) * | 2000-03-09 | 2003-03-20 | Peter Lohberg | System and device for detecting yaw displacements using stand-by measuring channels |
-
2005
- 2005-07-28 KR KR1020050069106A patent/KR20070014458A/en not_active Application Discontinuation
- 2005-09-20 CN CNB2005101032829A patent/CN100421042C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987000702A1 (en) * | 1985-07-23 | 1987-01-29 | James Macgregor | Stand-by power supply |
| CN2232175Y (en) * | 1995-02-23 | 1996-07-31 | 许丁发 | Power supply controller for communicator |
| US20030055550A1 (en) * | 2000-03-09 | 2003-03-20 | Peter Lohberg | System and device for detecting yaw displacements using stand-by measuring channels |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070014458A (en) | 2007-02-01 |
| CN1904779A (en) | 2007-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102388511B (en) | Standby power shut-off device and a control method therefor | |
| EP1783887A1 (en) | A control device for a power supply with zero power consumption in standby mode | |
| EP2071428B1 (en) | Method and arrangement for controlling an electrical device | |
| CN203982116U (en) | A kind of switching on and shutting down control circuit of electronic equipment | |
| CN107168156A (en) | Reduce the control circuit and control method of electronic product power consumption | |
| CN101452264A (en) | Power control device for zero power consumption standby and safety operation | |
| CN103699199A (en) | Electronic device on-off control device and electronic device | |
| CN201569698U (en) | Zero-crossing signal detection device for air conditioner switching power supply | |
| EP4027160B1 (en) | Universal plug status detection circuit | |
| CN201146301Y (en) | Energy-saving power socket capable of setting power-off mode | |
| CN108488948B (en) | Air conditioner, air conditioner control system and outdoor unit switch circuit | |
| CN103533181A (en) | Device and method for awakening external equipment of mobile terminal | |
| CN102778849B (en) | Switching on and shutting down control circuit, electronic equipment and on-off control method | |
| CN100421042C (en) | Sensor driving device and its method | |
| CN103676673A (en) | Cleaning device with zero standby power consumption as well as control circuit and control method thereof | |
| CN101211207B (en) | Power detection circuit | |
| CN202206319U (en) | Power supply apparatus | |
| CN112649724A (en) | Power failure detection circuit and method and MCU chip | |
| CN102944734A (en) | Method for monitoring terminal state, monitoring circuit and terminal | |
| CN207689874U (en) | Microcontroller automatic shutdown circuitry | |
| CN207993772U (en) | D.C. contactor energy saving driving circuit plate | |
| CN103398448B (en) | A kind of control circuit reducing air conditioner lifting panel power consumption and control method thereof | |
| CN100421354C (en) | Method for controlling the mode of an electronic appliance | |
| CN203720775U (en) | Electronic equipment power-on and power-off control device and electronic equipment | |
| CN212234204U (en) | Low-power consumption cooking machine circuit and cooking machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |