CN108799077A - Start-up circuit, compressor and home equipment for compressor - Google Patents
Start-up circuit, compressor and home equipment for compressor Download PDFInfo
- Publication number
- CN108799077A CN108799077A CN201710304710.7A CN201710304710A CN108799077A CN 108799077 A CN108799077 A CN 108799077A CN 201710304710 A CN201710304710 A CN 201710304710A CN 108799077 A CN108799077 A CN 108799077A
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- China
- Prior art keywords
- compressor
- circuit
- control circuit
- triode
- auxiliary winding
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Embodiment of the present invention provides a kind of start-up circuit, compressor and home equipment for compressor, belongs to field of household appliances.Start-up circuit includes：Main winding control circuit, for being connect with the main winding of compressor；Auxiliary winding control circuit, for being connect with the auxiliary winding of the compressor；And processor, conducting and/or disconnection for controlling the main winding control circuit and the auxiliary winding control circuit.
Description
Technical field
The present invention relates to home equipment fields, are set more particularly to the start-up circuit, compressor and household for compressor
It is standby.
Background technology
Compressor (compressor) is a kind of driven fluid machinery that low-pressure gas is promoted to high pressure gas, is system
The heart of cooling system.It sucks the refrigerant gas of low-temp low-pressure from air intake duct, and operating band piston by motor carries out it
After compression, the refrigerant gas of high temperature and pressure is discharged to exhaust pipe, power is provided for refrigeration cycle, to realize compression → condensation
The refrigeration cycle of (heat release) → expansion → evaporation (heat absorption).
On startup, the electric current of motor can be 5-6 times higher than rated current, can not only influence the service life of motor for compressor
And the electricity that consumption is more.Start compressor using some specific modes at present.Fig. 1 shows a kind of in the prior art
Start-up circuit for compressor.As shown in Figure 1, main controllable switch circuit is connected to the main winding of compressor by connector,
And connect with secondary controllable switch circuit and PTC (posive temperature coefficient thermistor) and be connected to the auxiliary winding of compressor, it is main
Controllable switch circuit and secondary controllable switch circuit can control chip controls by mainboard.There are one for start-up circuit shown in Fig. 1
A little defects, i.e. major-minor controlable electric current are series control, and compressor needs to open secondary controllable switch circuit in advance before opening, to increase
Power consumption, and start immediate current distribution inequality, main winding impedance is much smaller than auxiliary winding, auxiliary winding is caused to be unable to fully open
It is dynamic.
Invention content
The purpose of embodiment of the present invention is to provide a kind of start-up circuit, compressor and home equipment for compressor,
Power consumption can be reduced.
To achieve the goals above, embodiment of the present invention provides a kind of start-up circuit for compressor, including：It is main around
Group control circuit, for being connect with the main winding of compressor；Auxiliary winding control circuit, for the auxiliary of the compressor around
Group connection；And processor, conducting for controlling the main winding control circuit and the auxiliary winding control circuit and/or
It disconnects.
Optionally, the processor be used for receive compressor start request when control the main winding control circuit and
The auxiliary winding control circuit is all connected, and the auxiliary winding control is controlled after the compressor start and steady operation
Circuit processed disconnects.
Optionally, the processor is used to control before or after controlling the main winding control circuit conducting described auxiliary
Winding control circuit is helped to be connected.
Optionally, the auxiliary winding control circuit includes the first controllable switch and PTC resistor being connected in series with, the PTC
Resistance is used to be connected to the auxiliary winding of the compressor, and the control terminal of first controllable switch is connected to the processor.
Optionally, first controllable switch includes：First triode, the emitter of first triode are used to be grounded,
The base stage of first triode is as the control terminal；And light-operated bidirectional triode thyristor, the control of the light-operated bidirectional triode thyristor are returned
Road is connect with the collector of first triode, and major loop is connect with the PTC resistor.
Optionally, the main winding control circuit includes：Second triode, the emitter of second triode is for connecing
Ground, the base stage of second triode is as the control terminal for being connected to the processor；And relay, the control of the relay
Circuit processed is connect with the collector of second triode, and the major loop of the relay is connected to the main winding of the compressor.
Optionally, the main winding control circuit further includes two poles at the control loop both ends for being serially connected in the relay
Pipe.
Optionally, start-up circuit further includes being connected between the main winding of the compressor and the auxiliary winding
Capacitor.
Optionally, start-up circuit further includes the public winding for being connected to the compressor and the protection between power supply
Device.
Embodiments of the present invention also provide a kind of compressor, including main winding and auxiliary winding, further include above-mentioned open
Dynamic circuit.
Embodiments of the present invention also provide a kind of home equipment, including above-mentioned compressor.
Optionally, the home equipment is refrigerator or air-conditioning.
Through the above technical solutions, using the Parallel Control mode of main winding driving circuit and auxiliary winding driving circuit,
Master control borad power consumption when can reduce compressor start, starting current distribution are more reasonable.
The other feature and advantage of embodiment of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is further understood to embodiment of the present invention for providing, an and part for constitution instruction, with
Following specific implementation mode is used to explain embodiment of the present invention together, but does not constitute the limit to embodiment of the present invention
System.In the accompanying drawings：
Fig. 1 shows a kind of start-up circuit for compressor in the prior art；
Fig. 2 is the electrical block diagram of the start-up circuit for compressor provided according to embodiment of the present invention；
Fig. 3 is the circuit structure signal of the auxiliary winding control circuit of the start-up circuit provided according to embodiment of the present invention
Figure；And
Fig. 4 is the circuit structure signal of the main winding control circuit of the start-up circuit provided according to embodiment of the present invention
Figure.
Reference sign
101 processor, 102 main winding control circuit
103 auxiliary winding control circuit, 104 capacitor
105 compressor, 106 protector
107 alternating currents
Specific implementation mode
The specific implementation mode of embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be understood that
The specific embodiments described herein are merely to illustrate and explain the present invention embodiment, are not intended to restrict the invention implementation
Mode.
Fig. 2 is the electrical block diagram of the start-up circuit for compressor provided according to embodiment of the present invention.Such as
Shown in Fig. 2, according to the embodiment of the present invention, a kind of start-up circuit for compressor 105 is provided, may include：
Main winding control circuit 102 can be used for connecting with the main winding of compressor 105.
Auxiliary winding control circuit 103, the auxiliary winding control circuit 103 can be used for the auxiliary of compressor 105 around
Group connection；And
Processor 101, for the control with the control terminal and auxiliary winding control circuit 103 of main winding control circuit 102
End connection, the processor 101 can be used for controlling main winding control circuit 102 and auxiliary winding control circuit 103 conducting and/
Or it disconnects.
The example of processor 101 can include but is not limited to, microcontroller, DSP (digital signal processor), special integrated electricity
Road, microprocessor, field programmable gate array (FPGA) circuit, state machine etc..
Main winding control circuit 102 and/or auxiliary winding control circuit may include controllable switch, which can example
Any one in relay, triode, CMOS tube, IGBT, light-operated bidirectional triode thyristor etc. or combinations thereof in this way.
Fig. 3 is the circuit structure of the auxiliary winding control circuit 103 of the start-up circuit provided according to embodiment of the present invention
Schematic diagram.As shown in figure 3, in the particular implementation of the present invention, auxiliary winding control circuit 103 may include series connection
The first controllable switch and PTC resistor (PTC shown in Fig. 3) of connection, the PTC resistor is for being connected to the auxiliary of compressor 105
Winding is helped, the control terminal of first controllable switch may be coupled to processor 101.
Specifically, the first controllable switch may include：
The emitter of first triode Q1, first triode Q1 are for being grounded, the base stage conduct of first triode Q1
Control terminal；And
Light-operated bidirectional triode thyristor (Opto Triac) U1, one end and first of the control loop of the light-operated bidirectional triode thyristor U1
The collector of triode Q1 connects, and the other end connects DC power supply VCC, and thus control loop constitutes one with the first triode Q1
Circuit.Major loop is connect with PTC resistor, and one end of major loop and one end of PTC resistor connect, and the other end can connect such as city
The zero line side of electricity 107, and the other end of PTC resistor is connect with the auxiliary winding of compressor 105.
As shown in Figure 3, the first controllable switch can also include be connected to the base stage of the first triode Q1 and emitter it
Between resistance R2, and the base stage for being connected to the first triode Q1 and the resistance R1 between processor 101.
Fig. 4 is that the circuit structure of the main winding control circuit 102 of the start-up circuit provided according to embodiment of the present invention shows
It is intended to.As shown in figure 4, in the particular implementation of the present invention, main winding control circuit 102 may include：
The emitter of second triode Q2, second triode Q2 are for being grounded, and the base stage of second triode is as use
In the control terminal being connect with processor 101；And
Relay RL1, the control loop of relay RL1 are connect with the collector of the second triode Q2, relay RL1
Major loop be connected to the main winding of compressor 105.Specifically, one end of the control loop of relay RL1 may be coupled to
DC power supply VCC, the other end are connect with the collector of the second triode Q2, thus constitute a circuit, and the master of relay RL1 returns
The one end on road may be coupled to the main winding of compressor 105, and the other end may be coupled to the zero line side of such as alternating current 107.
In addition, as shown in figure 4, a diode D1 (diode can be connected at the both ends of the control loop of relay RL1
The anode of D1 is connect with the collector of the second triode Q2, and cathode connects VCC).Second controllable switch can also include being connected to
Resistance R4 between the base stage and emitter of second triode Q2, and the base stage for being connected to the second triode Q2 and processing
Resistance R3 between device 101.
Although respectively illustrating the main winding of the start-up circuit of particular implementation according to the present invention in figs. 3 and 4
The specific circuit structure diagram of control circuit 102 and auxiliary winding control circuit 103, but those skilled in the art can manage
Solution, main winding control circuit 102 and auxiliary winding control circuit 103 can be implemented by other components, circuit structure.Example
Such as, the circuit structure that light-operated bidirectional triode thyristor U1 shown in Fig. 3 can be made of bidirectional triode thyristor (Triac) and photo-coupler
To substitute.Therefore, scope of the present application is not limited to specific embodiment shown in the accompanying drawings.
In embodiments of the present invention, processor 101 can be used for controlling when receiving compressor 105 and starting request
Main winding control circuit 102 and auxiliary winding control circuit 103 are all connected, and after the startup of compressor 105 and steady operation
Auxiliary winding control circuit 103 is controlled to disconnect.
Specifically, with auxiliary winding control circuit 103 and main winding control circuit 102 shown in Fig. 3 and Fig. 4 respectively
Circuit structure for, when processor 101 receive compressor start request when (such as by press compressor 105 start by
Key triggers the request, or otherwise generates the request), processor 101 passes through the one or three in response to receiving startup request
The control terminal COMP2 of the control terminal COMP1 of pole pipe Q1 and the second triode Q2 controls the first triode Q1 and the second triode Q2
It being connected (such as applying high level signal) so that the major loop of light-operated bidirectional triode thyristor U1 conductings and relay RL1 are attracted conducting,
Main winding control circuit 102 and auxiliary winding control circuit 103 are connected as a result, the main winding and auxiliary of compressor 105
Winding accesses alternating current 107, and auxiliary winding helps main winding to be started with PTC resistor (or claiming PTC start-up resistors).It is to be compressed
(processor 101 controls the second controllable switch, difference compression by turn-on time after machine 105 starts and after steady operation
Machine is different with the stabilization time of system, therefore the turn-on time is also different), processor 101 controls the first triode by COMP1
Q1 turns off (such as applying low level signal), and thus light-operated bidirectional triode thyristor U1 shutdowns are so that auxiliary winding control circuit
103 disconnect, to which PTC resistor is stopped, to realize the purpose for cancelling starter and idle.
The present invention alternative embodiments in, processor 101 can according to different compressors parameter, control auxiliary around
Group control circuit 103 in advance or delays conducting compared to main winding control circuit 102, to shift to an earlier date or delay the startup of auxiliary winding
Time so that compressor 105 starts more efficiently.That is, processor 101 can be used in control main winding control circuit
Control auxiliary winding control circuit 103 is connected before or after 102 conductings.The conducting of auxiliary winding control circuit 103 relative to
The lead or retardation of the conducting of main winding control circuit 102 can depend on the parameter of compressor 105.
In an alternative embodiment of the invention, start-up circuit can also include be connected to compressor 105 main winding and
Capacitor 104 between auxiliary winding.The capacitor 104 (or being operation capacitor) can according to different compressors 105 into
Row selection can help compressor 105 to improve efficiency and improve power factor.
In the further embodiment of the present invention, start-up circuit can also include the public affairs for being connected to compressor 105
Protector 106 between winding and power supply (alternating current 107) altogether.The protector 106 may, for example, be overload protective device, overheating protection
Device etc. is component as known in the art, and repeats no more herein.
In yet another embodiment of the present invention, a kind of compressor, including main winding and auxiliary winding, the pressure are provided
Contracting machine further includes start-up circuit described above.
In yet another embodiment of the present invention, a kind of home equipment, including above-mentioned compressor are provided.
Home equipment may, for example, be refrigerator, air-conditioning etc., it will be appreciated by a person skilled in the art that other are related to applying
The home equipment of start-up circuit and/or compressor that embodiments of the present invention provide is also applicable.
Embodiments of the present invention provide scheme, using for compressor main winding control circuit and auxiliary around
Group control circuit parallel drive, is not necessarily to pre-cooling auxiliary winding, reduces electric-controlled plate power consumption so that and electric current distribution is more reasonable,
Later stage can also accurately control according to compressor parameter, improve compressor start efficiency.In addition, the program eliminate it is existing
Compressor starter in technology can save compressor space and producing equipment process, can also reduce in compressor operating and open
The power consumption that dynamic device is brought.
The optional embodiment of example of the present invention is described in detail above in association with attached drawing, still, embodiment of the present invention is not
The detail being limited in the above embodiment can be to of the invention real in the range of the technology design of embodiment of the present invention
The technical solution for applying mode carries out a variety of simple variants, these simple variants belong to the protection domain of embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, embodiment of the present invention
Various combinations of possible ways are no longer separately illustrated.
It will be appreciated by those skilled in the art that realizing that all or part of step in the above embodiment method is can to lead to
Cross program and completed to instruct relevant hardware, which is stored in a storage medium, including some instructions use so that
One (can be microcontroller, chip etc.) or processor (processor) execute each embodiment the method for the application
All or part of step.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of embodiment of the present invention, as long as its
Without prejudice to the thought of embodiment of the present invention, embodiment of the present invention disclosure of that equally should be considered as.
Claims (13)
1. a kind of start-up circuit for compressor, which is characterized in that including：
Main winding control circuit, for being connect with the main winding of compressor；
Auxiliary winding control circuit, for being connect with the auxiliary winding of the compressor；And
Processor, conducting and/or disconnection for controlling the main winding control circuit and the auxiliary winding control circuit.
2. start-up circuit according to claim 1, which is characterized in that the processor is for receiving compressor start
Control the main winding control circuit and the auxiliary winding control circuit conducting when request, and in the compressor start and
The auxiliary winding control circuit is controlled after steady operation to disconnect.
3. start-up circuit according to claim 2, which is characterized in that the processor is for receiving compressor start
The main winding control circuit is controlled when request and the auxiliary winding control circuit simultaneously turns on.
4. start-up circuit according to claim 2, which is characterized in that the processor is used to control the main winding control
The auxiliary winding control circuit conducting is controlled before or after circuit turn-on processed.
5. start-up circuit according to claim 1, which is characterized in that the auxiliary winding control circuit includes being connected in series with
The first controllable switch and PTC resistor, which is used to be connected to the auxiliary winding of the compressor, this first is controllably opened
The control terminal of pass is connected to the processor.
6. start-up circuit according to claim 5, which is characterized in that first controllable switch includes：
First triode, the emitter of first triode is for being grounded, and the base stage of first triode is as the control terminal；
And
Light-operated bidirectional triode thyristor, the control loop of the light-operated bidirectional triode thyristor are connect with the collector of first triode, main
Circuit is connect with the PTC resistor.
7. start-up circuit according to claim 1, which is characterized in that the main winding control circuit includes：
Second triode, the emitter of second triode for being grounded, the base stage of second triode be used as with it is described
The control terminal of processor connection；And
Relay, the control loop of the relay are connect with the collector of second triode, and the major loop of the relay connects
It is connected to the main winding of the compressor.
8. start-up circuit according to claim 7, which is characterized in that the main winding control circuit further includes being serially connected in institute
State the diode at the control loop both ends of relay.
9. start-up circuit according to claim 1, which is characterized in that further include be connected to the master of the compressor around
Capacitor between group and the auxiliary winding.
10. start-up circuit according to claim 1, which is characterized in that further include the public affairs for being connected to the compressor
Protector between winding and power supply altogether.
11. a kind of compressor, including main winding and auxiliary winding, which is characterized in that further include appointing according in claims 1 to 10
Start-up circuit described in meaning one.
12. a kind of home equipment, which is characterized in that including compressor according to claim 11.
13. home equipment according to claim 12, which is characterized in that the home equipment is refrigerator or air-conditioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710304710.7A CN108799077A (en) | 2017-05-03 | 2017-05-03 | Start-up circuit, compressor and home equipment for compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710304710.7A CN108799077A (en) | 2017-05-03 | 2017-05-03 | Start-up circuit, compressor and home equipment for compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108799077A true CN108799077A (en) | 2018-11-13 |
Family
ID=64054537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710304710.7A Pending CN108799077A (en) | 2017-05-03 | 2017-05-03 | Start-up circuit, compressor and home equipment for compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108799077A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056501A (en) * | 2019-05-31 | 2019-07-26 | 广东奥马冰箱有限公司 | A kind of energy-saving refrigerator and its control method with positive displacement compressor |
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| BE681116A (en) * | 1965-06-04 | 1966-10-31 | ||
| AU2003302543A1 (en) * | 2002-11-29 | 2004-06-23 | Matsushita Refrigeration Company | Starting device for single-phase induction motor |
| CN1800644A (en) * | 2005-01-07 | 2006-07-12 | Lg电子株式会社 | Apparatus and method for controlling operation of compressor |
| CN202210768U (en) * | 2011-09-13 | 2012-05-02 | 合肥美菱股份有限公司 | Compressor starting circuit and refrigerator adopting same |
| CN102522928A (en) * | 2011-11-25 | 2012-06-27 | 江苏白雪电器股份有限公司 | Motor starter, starting method of motor and compressor |
| CN103441709A (en) * | 2013-09-10 | 2013-12-11 | 合肥美的电冰箱有限公司 | Start control system of compressor and refrigeration equipment with same |
| CN104654527A (en) * | 2015-02-04 | 2015-05-27 | 广东美芝制冷设备有限公司 | Air conditioner as well as control system and method for compressor in air conditioner |
-
2017
- 2017-05-03 CN CN201710304710.7A patent/CN108799077A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE681116A (en) * | 1965-06-04 | 1966-10-31 | ||
| AU2003302543A1 (en) * | 2002-11-29 | 2004-06-23 | Matsushita Refrigeration Company | Starting device for single-phase induction motor |
| CN1800644A (en) * | 2005-01-07 | 2006-07-12 | Lg电子株式会社 | Apparatus and method for controlling operation of compressor |
| CN202210768U (en) * | 2011-09-13 | 2012-05-02 | 合肥美菱股份有限公司 | Compressor starting circuit and refrigerator adopting same |
| CN102522928A (en) * | 2011-11-25 | 2012-06-27 | 江苏白雪电器股份有限公司 | Motor starter, starting method of motor and compressor |
| CN103441709A (en) * | 2013-09-10 | 2013-12-11 | 合肥美的电冰箱有限公司 | Start control system of compressor and refrigeration equipment with same |
| CN104654527A (en) * | 2015-02-04 | 2015-05-27 | 广东美芝制冷设备有限公司 | Air conditioner as well as control system and method for compressor in air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056501A (en) * | 2019-05-31 | 2019-07-26 | 广东奥马冰箱有限公司 | A kind of energy-saving refrigerator and its control method with positive displacement compressor |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |
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| RJ01 | Rejection of invention patent application after publication |