CN105302214B - Standby control circuit, standby control method and electrical equipment - Google Patents
Standby control circuit, standby control method and electrical equipment Download PDFInfo
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- CN105302214B CN105302214B CN201510698103.4A CN201510698103A CN105302214B CN 105302214 B CN105302214 B CN 105302214B CN 201510698103 A CN201510698103 A CN 201510698103A CN 105302214 B CN105302214 B CN 105302214B
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- control set
- relay
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002618 waking effect Effects 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 239000003990 capacitor Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Direct Current Feeding And Distribution (AREA)
- Air Conditioning Control Device (AREA)
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Abstract
The invention discloses a standby control circuit, a standby control method and electrical equipment. The standby control circuit includes: a discharge resistor; the discharge control chip is connected with the discharge resistor in series to form a discharge circuit and is used for controlling the conduction of the discharge circuit when the input alternating current power supply is powered off; a filter; and the X capacitor is used for filtering differential mode interference and is connected with the discharge circuit and the filter in parallel. By adopting the technical scheme, the invention can utilize the discharge control chip to control whether the discharge resistor works or not, thereby saving the standby power consumption, achieving the effects of high efficiency and energy saving, and having the characteristics of simple structure and low cost.
Description
Technical field
The present invention relates to Opportunity awaiting control for linear field, in particular to a kind of readiness control circuit, standby controlling method and electricity
Device equipment.
Background technology
The load of frequency converter of the prior art in stand-by mode mainly includes master control set and its peripheral circuit, driving
Circuit, filter circuit；In stand-by mode, three circuits have electric current to flow through, and stages of labor power consumption.
For filter circuit, according to《The safety of family expenses and similar applications electrical equipment》It is required that if plug residual voltage meets standard
It is required that the X electric capacity in filter circuit is more than 0.1uF, without adding discharge resistance；If can not meet, just have to place electricity electricity
Resistance, untill meeting residual voltage requirement.
If X electric capacity increases discharge resistance more than 0.1uF, and is needed after requiring power-off by the electric charge on X electric capacity at 1 second
The safe voltage of human body is released in clock, it is therefore desirable to select the discharge resistance of certain resistance.When convertible frequency air-conditioner is in standby shape
During state, because electric current still flows through discharge resistance, it can so increase system standby power consumption.
The content of the invention
There is provided in the embodiment of the present invention it is a kind of it is simple in construction, cost is low, stand-by power consumption is low, energy-efficient Opportunity awaiting control for linear electricity
Road, standby controlling method and electric equipment.
To achieve the above object, the embodiment of the present invention provides a kind of readiness control circuit, including：Discharge resistance；Electric discharge control
Coremaking piece, connects to form discharge circuit with discharge resistance, for controlling discharging circuit conduction in the AC power power-off of input；
Wave filter；It is in parallel with discharge circuit and wave filter for filtering out the X electric capacity of DM EMI.
Preferably, readiness control circuit also includes：The output end connection of relay, input and wave filter；Electrical appliance,
The output end of input and relay connects；Client, for sending silence signal；Master control set, the control with relay
End processed connection, for disconnecting relay when receiving silence signal to disconnect the power supply of electrical appliance.
Preferably, master control set enters sleep pattern after maintaining the work very first time by electricity more than the electric capacity in it.
Preferably, client sends start-up operation signal, start-up operation signal wakes up the master control in sleep pattern and filled
Put and trigger the master control set control relay adhesive after waking up to connect the power supply of electrical appliance.
Preferably, electrical appliance is frequency converter.
Present invention also offers a kind of electric equipment, it is characterised in that including above-mentioned readiness control circuit.
Preferably, electric equipment is air-conditioning.
Present invention also offers a kind of standby controlling method, including：Control of discharge chip is connected with discharge resistance to be formed
Discharge circuit；Discharge circuit is in parallel with the X electric capacity for filtering out DM EMI；In the AC power power-off of input by putting
Electric control chip controls discharging circuit conduction, with to X capacitor discharge.
Preferably, standby controlling method also includes：Silence signal is sent to master control set by client；Master control
Device disconnects the power supply of electrical appliance when receiving silence signal.
Preferably, master control set is set to enter sleep pattern after maintaining the work very first time by electricity more than the electric capacity in it.
Preferably, method also includes：Waken up by the start-up operation signal from client and be in dormant master
Control device；Master control set is controlled the relay adhesive on electrical appliance power supply circuit after being waken up so that electrical appliance obtain it is electric.
By adopting the above-described technical solution, the present invention can utilize control of discharge chip controls discharge resistance work with
It is no, thus stand-by power consumption has been saved, reach energy-efficient effect, there is the characteristics of simple in construction, cost is low.
Brief description of the drawings
Fig. 1 is the overall logic structural representation of the present invention；
Fig. 2 is the structural representation of filter band；
Fig. 3 is circuit equivalent figure of the filter band in ultralow standby mode；
Fig. 4 is master control set and its peripheral circuit isoboles；
Fig. 5 is drive circuit isoboles；
Fig. 6 is the flow chart of the standby controlling method in the present invention.
Description of reference numerals：1st, discharge resistance；2nd, control of discharge chip；3rd, wave filter；4th, X electric capacity；5th, relay；6th, use
Electrical equipment；7th, client；8th, master control set；9th, filter band.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
It is fixed.
Fig. 1 to Fig. 5 is refer to, the invention provides a kind of readiness control circuit, including：Discharge resistance 1；Control of discharge core
Piece 2, connect to form discharge circuit with discharge resistance 1, for controlling discharging circuit conduction in the AC power AC power-off of input；
Wave filter 3；It is in parallel with discharge circuit and wave filter for filtering out the X electric capacity 4 of DM EMI.Wherein, discharge resistance 1, electric discharge control
Coremaking piece 2, wave filter 3 form filter band 9.Preferably, electrical appliance 6 is frequency converter.
Fig. 1 to 5 is refer to, in Fig. 1,4 and 5, A1, B1, A2, B2 are signal wire, and L1 is that the live wire of filter band 9 exports
End, N1 are the zero line output end of filter band 9, and L2 is the live wire input of master control set 8, and N2 is that the zero line of master control set 8 inputs
End, COMP is compressor.When system is in normal work or standby mode, control of discharge chip 2 can block putting for X electric capacity 4
Circuit (such as Fig. 3), the power attenuation of filter band can be will drop to below 5mW, even zero (in the case of having power input).
When AC power powers off, control of discharge chip 2 controls discharging circuit conduction, so as to realize the automatic discharging to X electric capacity 4, from
And X electric capacity 4 is set to complete releasing for energy.It is possible to further neatly select X electric capacity 4 according to filter effect, so that filtering
Circuit reaches optimal filter effect, while meets the time requirement of 1 second, and complying fully with international safety standard will.
By adopting the above-described technical solution, the present invention can utilize control of discharge chip 2 control discharge resistance 1 work with
It is no, thus stand-by power consumption has been saved, reach energy-efficient effect, there is the characteristics of simple in construction, cost is low.
It refer to Fig. 5, it is preferable that readiness control circuit also includes：Relay 5, the output end of input and wave filter 3 connect
Connect；Electrical appliance 6, input are connected with the output end of relay 5；Client 7, for sending silence signal；Master control set
8, it is connected with the control terminal of relay 5, for disconnecting relay 5 when receiving silence signal to disconnect the electricity of electrical appliance 6
Source.Preferably, master control set 8 enters sleep pattern after maintaining the work very first time by electricity more than the electric capacity in it.So, in visitor
After family end 7 sends silence signal, all automatically controlled devices will be under standby mode, and master control set 8 enters sleep pattern, together
When turn off all unnecessary loads, power supply indicator and correlation periphery detection circuit, with reach reduce power consumption purpose.Its
In, relay 5, electrical appliance 6 and master control set 8 may make up drive circuit, as shown in Figure 5.
Because electrical appliance 6 is directly powered by power network, when system is in standby mode, the control relay 5 of master control set 8 is disconnected
Open, so that drive circuit power unit power down, then master control set 8 also can power down.Now, master control set 8 will rely on electric capacity
Remaining electricity maintains of short duration work, and when being not enough to maintain work, drive circuit and master control set 8 thereby may be ensured that all by power down
Zero-power-consumption standby state.
Preferably, client 7 sends start-up operation signal, and start-up operation signal wakes up the master control set in sleep pattern
8 and the adhesive of 8 control relay of master control set 5 after waking up is triggered to connect the power supply of electrical appliance 6.When client needs to start
During work, start-up operation signal is sent, master control set 8 is waken up and enters normal mode of operation, is obtained thereby using electrical equipment 6 electric
And rework.It can be seen that the load loss that the present invention is unnecessary when can reduce standby, and can further reduce to be in and treat
The operating current of master control set 8 under machine pattern.
Therefore, when needing the electrical appliances such as frequency converter to work again, it is only necessary to activate the work of master control set 8 by client
Make, then again by the control relay adhesive of master control set 8, enter normal Working mould so as to wake up whole frequency converter
Formula.
Present invention also offers a kind of electric equipment, including above-mentioned readiness control circuit.Preferably, electric equipment is sky
Adjust.
Fig. 6 is refer to, present invention also offers a kind of standby controlling method, including：By control of discharge chip 2 and electric discharge electricity
The series connection of resistance 1 forms discharge circuit；Discharge circuit is in parallel with the X electric capacity 4 for filtering out DM EMI；In the AC power of input
Discharging circuit conduction is controlled by control of discharge chip 2 during power-off, to discharge X electric capacity 4.
When system is in normal work or standby mode, control of discharge chip 2 can block the discharge circuit of X electric capacity 4 (such as
Fig. 3), the power attenuation of filter band can be will drop to below 5mW, even zero (in the case of having power input).Work as alternating current
When source powers off, control of discharge chip 2 controls discharging circuit conduction, so as to realize the automatic discharging to X electric capacity 4, so that X electric capacity
4 completion energy are released.It is possible to further neatly select X electric capacity 4 according to filter effect, so that filter circuit reaches
Optimal filter effect, while meet the time requirement of 1 second, complying fully with international safety standard will.
By adopting the above-described technical solution, the present invention can utilize control of discharge chip 2 control discharge resistance 1 work with
It is no, thus stand-by power consumption has been saved, reach energy-efficient effect, there is the characteristics of simple in construction, cost is low.
Preferably, standby controlling method also includes：Silence signal is sent to master control set 8 by client 7；Master control
Device 8 disconnects the power supply of electrical appliance 6 when receiving silence signal.Preferably, master control set 8 is made to rely on more than the electric capacity in it
Electricity enters sleep pattern after maintaining the work very first time.So, after client 7 sends silence signal, all electric controllers
Part will be under standby mode, and master control set 8 enters sleep pattern, also shuts off all unnecessary loads, power supply indicator
Circuit is detected with the periphery of correlation, to reach the purpose for reducing power consumption.
Preferably, method also includes：Waken up by the start-up operation signal from client 7 and be in dormant master control
Device 8；Master control set 8 is set to control the adhesive of relay 5 on the power supply circuit of electrical appliance 6 after being waken up so that electrical appliance 6
Obtain electric.When client needs to start working, start-up operation signal is sent, master control set 8 is waken up and enters normal work
Pattern, obtain electric thereby using electrical equipment 6 and rework.It can be seen that the load loss that the present invention is unnecessary when can reduce standby, and
The operating current of the master control set 8 under standby mode can further be reduced.
Certainly, above is the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of its general principles are not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (5)
- A kind of 1. readiness control circuit, it is characterised in that including：Discharge resistance (1)；Control of discharge chip (2), connect to form discharge circuit with the discharge resistance (1), break for the AC power in input The discharging circuit conduction is controlled when electric；Wave filter (3)；It is in parallel with the discharge circuit and the wave filter for filtering out the X electric capacity (4) of DM EMI；The readiness control circuit also includes：Relay (5), input are connected with the output end of the wave filter (3)；Electrical appliance (6), input are connected with the output end of the relay (5)；Client (7), for sending silence signal；Master control set (8), it is connected with the control terminal of the relay (5), for being disconnected when receiving the silence signal The relay (5) is to disconnect the power supply of the electrical appliance (6)；The master control set (8) enters sleep pattern after maintaining the work very first time by electricity more than the electric capacity in it, also shuts off Unnecessary load, power supply indicator and the peripheral of correlation detects circuit；The client (7) sends start-up operation signal, and the start-up operation signal wakes up described in the sleep pattern Master control set (8) simultaneously triggers the master control set (8) control relay (5) adhesive after waking up to connect the electricity consumption The power supply of device (6).
- 2. readiness control circuit according to claim 1, it is characterised in that the electrical appliance (6) is frequency converter.
- 3. a kind of electric equipment, it is characterised in that including the readiness control circuit any one of claim 1 to 2.
- 4. electric equipment according to claim 3, it is characterised in that the electric equipment is air-conditioning.
- A kind of 5. standby controlling method, it is characterised in that including：Control of discharge chip (2) is connected to form discharge circuit with discharge resistance (1)；The discharge circuit is in parallel with the X electric capacity (4) for filtering out DM EMI；The discharging circuit conduction is controlled by the control of discharge chip (2) in the AC power power-off of input, with to institute State X electric capacity (4) electric discharge；Silence signal is sent to master control set (8) by client (7)；The master control set (8) disconnects the power supply of electrical appliance (6) when receiving the silence signal；The master control set (8) is entered sleep pattern after maintaining the work very first time by electricity more than the electric capacity in it, close simultaneously Fall the periphery detection circuit of unnecessary load, power supply indicator and correlation；Waken up by the start-up operation signal from the client (7) and be in the dormant master control set (8)；The master control set (8) is controlled relay (5) adhesive on the electrical appliance (6) power supply circuit after being waken up so that The electrical appliance (6) obtains electric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698103.4A CN105302214B (en) | 2015-10-22 | 2015-10-22 | Standby control circuit, standby control method and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698103.4A CN105302214B (en) | 2015-10-22 | 2015-10-22 | Standby control circuit, standby control method and electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105302214A CN105302214A (en) | 2016-02-03 |
| CN105302214B true CN105302214B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510698103.4A Active CN105302214B (en) | 2015-10-22 | 2015-10-22 | Standby control circuit, standby control method and electrical equipment |
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| Country | Link |
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| CN (1) | CN105302214B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873779B (en) * | 2018-07-03 | 2024-05-03 | 珠海格力电器股份有限公司 | Standby driving plate, system, method, variable frequency driver and intelligent equipment |
| CN109270862B (en) | 2018-10-01 | 2024-08-09 | 珠海格力电器股份有限公司 | Equipment control method, control device and equipment adopting control device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770248B (en) * | 2008-12-31 | 2013-03-27 | 钱和革 | Intermittent power supply micropower standby control circuit |
| CN102244470A (en) * | 2010-05-11 | 2011-11-16 | 联昌电子企业股份有限公司 | Supply apparatus and power supply method |
| CN103296663B (en) * | 2012-02-27 | 2016-10-05 | 珠海格力电器股份有限公司 | Air conditioner, discharge circuit of bus capacitor of air conditioner and discharge control method |
| CN202694040U (en) * | 2012-07-06 | 2013-01-23 | 浙江捷昌线性驱动科技股份有限公司 | Low-power-consumption control device of intelligent control system |
| CN103677034B (en) * | 2012-09-03 | 2016-04-20 | 珠海格力电器股份有限公司 | Standby circuit and standby control method of household appliance |
| KR20150010871A (en) * | 2013-07-19 | 2015-01-29 | 삼성전자주식회사 | Power control apparatus and image forming apparatus having the same |
| FI20145271L (en) * | 2014-03-25 | 2015-09-26 | Kone Corp | Intermediate circuit frequency converter and method for reducing the power consumption of the intermediate circuit of a frequency converter in maintenance mode, and an elevator |
| CN203911743U (en) * | 2014-05-05 | 2014-10-29 | 邯郸美的制冷设备有限公司 | Electronic device and capacitor discharge circuit thereof |
| CN104570802B (en) * | 2015-01-04 | 2018-04-17 | 广东美的厨房电器制造有限公司 | Zero readiness control circuit, electrical equipment and zero standby controlling method |
| CN205176514U (en) * | 2015-10-22 | 2016-04-20 | 珠海格力电器股份有限公司 | Standby control circuit and electrical equipment |
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| CN105302214A (en) | 2016-02-03 |
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