CN201611780U - Automatic power correcting device and system - Google Patents
Automatic power correcting device and system Download PDFInfo
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- CN201611780U CN201611780U CN2009202614125U CN200920261412U CN201611780U CN 201611780 U CN201611780 U CN 201611780U CN 2009202614125 U CN2009202614125 U CN 2009202614125U CN 200920261412 U CN200920261412 U CN 200920261412U CN 201611780 U CN201611780 U CN 201611780U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model relates to an automatic power correcting device and a system. The automatic power correcting system comprises an automatic power correcting device and a controlled electric appliance. The controlled electric appliance has a working mode of automatic power debugging; the automatic power correcting device comprises a power meter and a power correcting circuit, wherein the power correcting circuit is used for correcting power of the controlled electric appliance when the controlled electric appliance enters into the mode of automatic power debugging; a main-control MCU of the power correcting circuit conducts the comparison between the output power of the controlled electric appliance collected by the power meter and the target rated power; furthermore, when the output power achieves the target rated power, the control signals are output and the switching circuit is switched off, and the present power parameters are conserved in a memory module after the controlled electric appliance detects that an input power source drops, so as to realize automatic correction of power of the controlled electric appliance. The automatic power correcting device disclosed by the utility model has high-precision correction, and avoids the multiple problems of high-temperature alarming, wire coil stinking, and even IGBT overburning, and the like of the product during use caused by errors of the manual correction.
Description
Technical field
The utility model relates to appliance power to be proofreaied and correct, more particularly, and a kind of power automatic correction device and the system that adopt when relating to a kind of electric equipment products and dispatching from the factory.
Background technology
Some household appliances of selling on the market, when dispatching from the factory, all need to carry out capability correction as electromagnetic oven etc., existing capability correction method all is to adopt the manual adjustment potentiometer, yet while the employee sees that this capability correction method of power meter regulator potentiometer can bring very big error.If the manual power of proofreading and correct has exceeded rated power, product can cause high temperature alarm in use, drum is smelly even burn problems such as IGBT, and this all will have a strong impact on the image of brand in the consumer.
The utility model content
The technical problems to be solved in the utility model is, at the above-mentioned defective of prior art, provides a kind of power automatic correction device and power automatic correction system.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of power automatic correction device, comprise power meter, also comprise be connected with power meter, be used for when the automatic debugging mode of controlled electric appliance ingoing power, it being carried out the power factor correction circuit of capability correction, described power factor correction circuit comprises:
The communication interface circuit that is used for the real-time power of gathering of received power meter, voltage, current parameters;
With the power output of the real-time controlled electric appliance of gathering of power meter and the main control MCU that target rated power compared and exported control signal;
Be used for being entered the switching circuit of power down protection pattern by empty electrical equipment according to the input of control signal cut-out controlled electric appliance power supply, the triggering of main control MCU output;
Convert the civil power alternating current to power module that direct current is main control MCU, communication interface circuit and switching circuit power supply.
In power automatic correction device described in the utility model, described switching circuit is connected with the output of power meter; Described switching circuit is connected with the power input of controlled electric appliance.
In power automatic correction device described in the utility model, described power factor correction circuit also comprises the display module that is connected, is used for display-object rated power with main control MCU.
In power automatic correction device described in the utility model, described power factor correction circuit also comprises with main control MCU and being connected, is used to import the key-press module of target rated power.
In power automatic correction device described in the utility model, described power factor correction circuit also comprises clock module and the buzzer that is connected with main control MCU.
In power automatic correction device described in the utility model, the communication interface circuit of described power factor correction circuit is that serial interface circuit is or/and parallel interface.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of power automatic correction system, wherein comprise above-mentioned power automatic correction device and controlled electric appliance, described controlled electric appliance comprises:
The pattern that is used to be provided with the automatic debugging mode of controlled electric appliance ingoing power is provided with module;
The central processing module that is used for the output pulse width conditioning signal;
The power conditioning module of when controlled electric appliance is in the automatic debugging mode of power, power being regulated according to the pulse width modulated signals of central processing module output;
Be used to detect the whether voltage detection module of power down of controlled electric appliance power supply;
The memory module of when controlled electric appliance is in the power down protection pattern, current power parameter being preserved according to the control signal of central processing module output.
Implement power automatic correction device of the present utility model and power automatic correction system, have following beneficial effect: behind the automatic debugging mode of controlled electric appliance ingoing power, the central processing module output pulse width conditioning signal power controlling adjustment module of controlled electric appliance is carried out power adjustments.The main control MCU of power factor correction circuit compares the power output and the target rated power of the controlled electric appliance that power meter is gathered in real time, main control MCU output control signal stopcock circuit when power output reaches target rated power, controlled electric appliance detects and after the input power supply falls suddenly current power parameter is saved in the memory module, and the power of having realized electrical equipment is from dynamic(al) correction.Power automatic correction device correction accuracy height disclosed in the utility model has been avoided because manual the correction produces that the product that error causes can cause high temperature alarm in use, drum is smelly even burn problems such as IGBT.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the schematic diagram of the utility model power automatic correction system;
Fig. 2 is the structured flowchart of the utility model power automatic correction system;
Fig. 3 is the circuit diagram of main control MCU one embodiment of the utility model power automatic correction device;
Fig. 4 is the circuit diagram of communication interface circuit one embodiment of the utility model power automatic correction device;
Fig. 5 is the circuit diagram of switching circuit one embodiment of the utility model power automatic correction device;
Fig. 6 is the circuit diagram of power module one embodiment of the utility model power automatic correction device;
Fig. 7 is the circuit diagram of display module one embodiment of the utility model power automatic correction device;
Fig. 8 is the circuit diagram of key-press module one embodiment of the utility model power automatic correction device.
Embodiment
As shown in Figure 1, be the schematic diagram of the utility model power automatic correction system.Native system is made up of power meter, power factor correction circuit and controlled electric appliance.Wherein power meter and power factor correction circuit constitute power automatic correction device described in the utility model.Power meter and power factor correction circuit are carried out communication by serial ports.The output of power meter is connected to the switching circuit of power factor correction circuit, and it is the controlled electric appliance power supply that power supply signal is input to controlled electric appliance by switching circuit.The disclosed power automatic correction system of the utility model simplicity of design, communication wire and relevant interface between power automatic correction device and the controlled electric appliance have been saved, directly utilize the power line and the controlled electric appliance of switching circuit control controlled electric appliance to have this characteristic of detection of power loss, realized the storage of controlled electric appliance, to reach the purpose of power from dynamic(al) correction to corrected power.Save some unnecessary costs and simplified the control flow in the production.
As shown in Figure 2, the utility model power automatic correction system comprises power automatic correction device 10 and controlled electric appliance 20.Wherein controlled electric appliance 20 comprises: pattern is provided with module 21, central processing module 22, power conditioning module 23, voltage detection module 24 and memory module 25.Pattern is provided with module 21 and is used to be provided with the controlled electric appliance mode of operation, can make the automatic debugging mode of controlled electric appliance 20 ingoing powers by being provided with; Central processing module 22 is used for the output pulse width conditioning signal; Power conditioning module 23 is used for according to the pulse width modulated signals of central processing module 22 outputs power being regulated when controlled electric appliance 20 is in the automatic debugging mode of power; Voltage detection module 24 is used to detect the whether power down of power supply of controlled electric appliance 20, makes controlled electric appliance 20 enter the power down protection pattern if detect power down phenomenon central processing module 22; Memory module 25 is used for according to the control signal of central processing module 22 outputs current power parameter being preserved when controlled electric appliance 20 is in the power down protection pattern.
Power automatic correction device 10 comprises power meter 9, also comprise 9 that be connected with power meter, be used for when the automatic debugging mode of controlled electric appliance 20 ingoing powers, it being carried out the power factor correction circuit of capability correction, described power factor correction circuit comprises: main control MCU 1, communication interface circuit 2, switching circuit 3, power module 4, display module 5, key-press module 6, clock module 7, buzzer 8.
As shown in Figure 3, be the circuit diagram of main control MCU one embodiment of a kind of autopower of the utility model.Main control MCU 1 preferred employing model is the control chip of STM8S903K in the present embodiment.The MCU_RX of main control MCU 1 is connected with communication interface circuit 2 with the MCU_TX pin and is used to receive the power parameter that communication interface circuit 2 is gathered; DRIVE1 is connected with switching circuit 3 with the DRIVE2 pin, and output is opened or the control signal of stopcock circuit 3; The COM1 pin is connected output drive signal with the LED driving circuit of key-press module 6; COM2, COM3, COM4, COM5 pin are connected output drive signal with the LED charactron drive circuit of display module 5; The PB0-PB7 pin is connected with 8 buttons of key-press module 6, receives key information; The external crystal oscillator of XIN and XOUT pin constitutes clock module 7; The BUZ1 pin connects buzzer 8; SWIM is connected with burning program socket CN1 with the REST pin.
As shown in Figure 4, be the circuit diagram of communication interface circuit one embodiment of the utility model power automatic correction device.Communication interface circuit 2 mainly is made of communication interface chip U1 and peripheral circuit thereof in the present embodiment, and preferably adopting model is the rs-232 standard serial interface chip of MAX232, use+5V single power supply.The R1in of communication interface chip U1, T1out pin are connected with power meter socket CN2 in the present embodiment, adopt T1in, R1out, R1in, T1out pin composition data passage to carry out transfer of data, main control MCU 1 output TTL data convert cmos data to from the T1in input and output to power meter from T1out; The cmos data of power meter is input to main control MCU 1 from R1out after the R1in input converts the TTL data to, finish transfer of data.
As shown in Figure 5, be the circuit diagram of switching circuit one embodiment of the utility model power automatic correction device.Adopt the break-make of No. 2 relay switching circuit elastic calibration devices 9 and controlled electric appliance 20 in the present embodiment.Wherein N is connected with the output of L port with power meter 9, and A is connected with the power input of B port with controlled electric appliance 20.At first module 21 is set the automatic debugging mode of controlled electric appliance 20 ingoing powers is set by pattern, the power conditioning module of controlled electric appliance 20 carries out power adjustments after the relay switch closure of switching circuit 3, make the power of controlled electric appliance 20 approach from trend target rated power, power meter 9 is gathered the realtime power of controlled electric appliance 20 and is sent to main control MCU 1 and compares judgement simultaneously, when the power of controlled electric appliance 20 equates with target rated power, main control MCU 1 is sent the control signal relay switch, the voltage detection module 24 of controlled electric appliance 20 detected power supply and fell suddenly this moment, and the control signal of central processing module 22 outputs is saved in current power parameter in the memory module 25.Realized that power is from dynamic(al) correction.
As shown in Figure 6, be the circuit diagram of power module one embodiment of the utility model power automatic correction device.Power module 4 mainly is made up of 2 current rectifying and wave filtering circuits in the present embodiment, will import respectively commercial power rectification one-tenth+5V direct current and+the 12V direct current provides power supply for main control MCU 1, communication interface chip U2 and switching circuit 3.
As shown in Figure 7, be the circuit diagram of display module one embodiment of the utility model power automatic correction device.Display module 5 is made of drive circuit and display screen in the present embodiment, and display screen is made of 4 LED charactrons, can show 4 bit digital.
As shown in Figure 8, be the circuit diagram of key-press module one embodiment of the utility model power automatic correction device.Key-press module 6 is made up of LED driving circuit and key circuit in the present embodiment, 8 light-emitting diodes of LED driving circuit are corresponding with 8 buttons in the key circuit, corresponding lumination of light emitting diode prompting button success when button is pressed.
Power automatic correction device correction accuracy height disclosed in the utility model has been avoided because manual the correction produces that the product that error causes can cause high temperature alarm in use, drum is smelly even burn problems such as IGBT.
The above only is a preferred embodiment of the present utility model, not in order to restriction the utility model, all any modifications of being done in spirit of the present utility model and principle, is equal to and replaces or improvement etc., all should be included in the protection range of the present utility model.
Claims (7)
1. a power automatic correction device comprises power meter, it is characterized in that, also comprise be connected with power meter, be used for when the automatic debugging mode of controlled electric appliance ingoing power, it being carried out the power factor correction circuit of capability correction, described power factor correction circuit comprises:
The communication interface circuit that is used for the real-time power of gathering of received power meter, voltage, current parameters;
With the power output of the real-time controlled electric appliance of gathering of power meter and the main control MCU that target rated power compared and exported control signal;
Be used for entering the switching circuit of power down protection pattern according to the input of control signal cut-out controlled electric appliance power supply, the triggering controlled electric appliance of main control MCU output;
Convert the civil power alternating current to power module that direct current is main control MCU, communication interface circuit and switching circuit power supply.
2. power automatic correction device according to claim 1 is characterized in that, described switching circuit is connected with the output of power meter; Described switching circuit is connected with the power input of controlled electric appliance.
3. power automatic correction device according to claim 1 is characterized in that described power factor correction circuit also comprises the display module that is connected, is used for display-object rated power with main control MCU.
4. power automatic correction device according to claim 1 is characterized in that, described power factor correction circuit also comprises with main control MCU and being connected, is used to import the key-press module of target rated power.
5. power automatic correction device according to claim 1 is characterized in that, described power factor correction circuit also comprises clock module and the buzzer that is connected with main control MCU.
6. power automatic correction device according to claim 1 is characterized in that, the communication interface circuit of described power factor correction circuit is that serial interface circuit is or/and parallel interface.
7. a power automatic correction system is characterized in that, wherein comprises described power automatic correction device of claim 1 and controlled electric appliance, and described controlled electric appliance comprises:
The pattern that is used to be provided with the automatic debugging mode of controlled electric appliance ingoing power is provided with module;
The central processing module that is used for the output pulse width conditioning signal;
The power conditioning module of according to the pulse width modulated signals of central processing module output power being regulated when controlled electric appliance is in the automatic debugging mode of power;
Be used to detect the whether voltage detection module of power down of controlled electric appliance power supply;
The memory module of according to the control signal of central processing module output current power parameter being preserved when controlled electric appliance is in the power down protection pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202614125U CN201611780U (en) | 2009-12-11 | 2009-12-11 | Automatic power correcting device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202614125U CN201611780U (en) | 2009-12-11 | 2009-12-11 | Automatic power correcting device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201611780U true CN201611780U (en) | 2010-10-20 |
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ID=42962415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202614125U Expired - Fee Related CN201611780U (en) | 2009-12-11 | 2009-12-11 | Automatic power correcting device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201611780U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296191A (en) * | 2013-07-18 | 2015-01-21 | 九阳股份有限公司 | Electromagnetic oven and correction method thereof |
| TWI563262B (en) * | 2013-09-17 | 2016-12-21 | Hon Hai Prec Ind Co Ltd | Power detection circuit |
| CN106803716A (en) * | 2016-11-22 | 2017-06-06 | 广州视源电子科技股份有限公司 | The power calibrating method and system of variable frequency microwave power supply |
-
2009
- 2009-12-11 CN CN2009202614125U patent/CN201611780U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296191A (en) * | 2013-07-18 | 2015-01-21 | 九阳股份有限公司 | Electromagnetic oven and correction method thereof |
| CN104296191B (en) * | 2013-07-18 | 2018-02-09 | 九阳股份有限公司 | Electromagnetic oven and its bearing calibration |
| TWI563262B (en) * | 2013-09-17 | 2016-12-21 | Hon Hai Prec Ind Co Ltd | Power detection circuit |
| US9651588B2 (en) | 2013-09-17 | 2017-05-16 | Hon Hai Precision Industry Co., Ltd. | Power detecting circuit |
| CN106803716A (en) * | 2016-11-22 | 2017-06-06 | 广州视源电子科技股份有限公司 | The power calibrating method and system of variable frequency microwave power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20171211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |