CN106953552A - Compressor start circuit and refrigerator - Google Patents
Compressor start circuit and refrigerator Download PDFInfo
- Publication number
- CN106953552A CN106953552A CN201710160556.0A CN201710160556A CN106953552A CN 106953552 A CN106953552 A CN 106953552A CN 201710160556 A CN201710160556 A CN 201710160556A CN 106953552 A CN106953552 A CN 106953552A
- Authority
- CN
- China
- Prior art keywords
- resistance
- electric capacity
- control circuit
- compressor start
- triode thyristor
- 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.)
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Links
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 34
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention provides a kind of compressor start circuit, including semistor PTC, bidirectional triode thyristor TR1, triggers circuit and control circuit, wherein, the semistor PTC is connected with the T1 ends of the bidirectional triode thyristor TR1, the semistor PTC, bidirectional triode thyristor TR1 G ends are connected with the triggers circuit respectively, and the triggers circuit, bidirectional triode thyristor TR1 T2 ends are connected with the control circuit respectively.Present invention also offers a kind of refrigerator.The beneficial effects of the invention are as follows：Solve after freezer compressor startup, the power problemses of start-up circuit realize zero-power.
Description
Technical field
The present invention relates to start-up circuit, more particularly to a kind of compressor start circuit and refrigerator.
Background technology
Conventional refrigerator compressor is typically directly connected PTC using secondary coil（Thermistor）Start, freezer compressor starts
Secondary coil also has a small amount of electric current to flow through afterwards, there is maintenance power consumption, it is impossible to realize zero-power.
The content of the invention
In order to solve the problems of the prior art, the invention provides a kind of compressor start circuit and refrigerator.
The invention provides a kind of compressor start circuit, including semistor PTC, bidirectional triode thyristor
TR1, triggers circuit and control circuit, wherein, the semistor PTC and bidirectional triode thyristor TR1 T1
End connection, the semistor PTC, bidirectional triode thyristor TR1 G ends are connected with the triggers circuit respectively, institute
State triggers circuit, bidirectional triode thyristor TR1 T2 ends are connected with the control circuit respectively.
As a further improvement on the present invention, the triggers circuit includes resistance R4, electric capacity C2, two poles of resistance R3 and triggering
Pipe D2, wherein, one end of the electric capacity C2 is connected to the semistor PTC, bidirectional triode thyristor TR1 T1 ends
Between, the other end of the electric capacity C2 is connected with the control circuit, and the resistance R3 is in parallel with the electric capacity C2, the triggering
Diode D2 one end is connected with the G ends of the bidirectional triode thyristor TR1, and the other end of the diac D2 is connected to described
Between electric capacity C2, control circuit, one end of the resistance R4 be connected to the semistor PTC, electric capacity C2 it
Between, the other end of the resistance R4 is connected between the G ends of the bidirectional triode thyristor TR1, diac D2.
As a further improvement on the present invention, the control circuit includes rectifier bridge DB1, voltage-regulator diode DZ1, resistance
R5, resistance R6, resistance R1, resistance R2, electric capacity C3 and triode T1, wherein, the ac input end of the rectifier bridge DB1 respectively with
The electric capacity C2, bidirectional triode thyristor TR1 T2 ends connection, the DC output end of the rectifier bridge DB1 respectively with the resistance R5,
Triode T1 emitter stage connection, the resistance R5 is connected to the base stage of the triode T1, institute through the resistance R6, electric capacity C3
The colelctor electrode for stating triode T1 is connected to the direct current of the rectifier bridge DB1 through the voltage-regulator diode DZ1, resistance R2, resistance R1
Between output end, resistance R5 input, the colelctor electrode of the input of the voltage-regulator diode DZ1 and the triode T1 connects
Connect, the output end of the voltage-regulator diode DZ1 is connected with the resistance R2.
As a further improvement on the present invention, controlling circuit also includes electric capacity C4, and one end of the electric capacity C4 is connected to
Between the resistance R6, electric capacity C3, the other end of the electric capacity C4 is connected to the emitter stage of the triode T1, rectifier bridge DB1
DC output end between.
As a further improvement on the present invention, the control circuit also includes voltage-regulator diode DZ2, the voltage-regulator diode
DZ2 output end is connected between the resistance R6, electric capacity C3, and the another input of the voltage-regulator diode DZ2 is connected to described
Between triode T1 emitter stage, rectifier bridge DB1 DC output end.
As a further improvement on the present invention, described control circuit also one end including resistance R8, the resistance R8 is connected
Between the resistance R6, electric capacity C3, the other end of the resistance R8 is connected to the emitter stage of the triode T1, rectifier bridge
Between DB1 DC output end.
As a further improvement on the present invention, described control circuit also one end including resistance R7, the resistance R7 is connected
Between the electric capacity C3, triode T1 base stage, the other end of the resistance R7 be connected to the emitter stage of the triode T1,
Between rectifier bridge DB1 DC output end.
As a further improvement on the present invention, the compressor start circuit also includes compressor secondary coil L2, it is described just
Temperature coefficient thermistor PTC, bidirectional triode thyristor TR1 are series on the compressor secondary coil L2.
Present invention also offers a kind of refrigerator, including any of the above-described compressor start circuit.
The beneficial effects of the invention are as follows：Solve after freezer compressor startup, the power problemses of start-up circuit realize zero power
Consumption.
Brief description of the drawings
Fig. 1 is a kind of circuit diagram of compressor start circuit of the invention.
Embodiment
The invention will be further described for explanation and embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of compressor start circuit, including semistor PTC, bidirectional triode thyristor TR1,
Triggers circuit and control circuit, wherein, the semistor PTC and bidirectional triode thyristor TR1 T1 ends connect
Connect, the semistor PTC, bidirectional triode thyristor TR1 G ends are connected with the triggers circuit 1 respectively, it is described to touch
Power Generation Road 1, bidirectional triode thyristor TR1 T2 ends are connected with the control circuit 2 respectively.
As shown in figure 1, the triggers circuit 1 includes resistance R4, electric capacity C2, resistance R3 and diac D2, wherein, institute
The one end for stating electric capacity C2 is connected between the semistor PTC, bidirectional triode thyristor TR1 T1 ends, the electricity
The other end for holding C2 is connected with the control circuit 2, and the resistance R3 is in parallel with the electric capacity C2, the diac D2's
One end is connected with the G ends of the bidirectional triode thyristor TR1, and the other end of the diac D2 is connected to the electric capacity C2, control
Between circuit processed, one end of the resistance R4 is connected between the semistor PTC, electric capacity C2, the electricity
The resistance R4 other end is connected between the G ends of the bidirectional triode thyristor TR1, diac D2.
As shown in figure 1, the control circuit 2 includes rectifier bridge DB1, voltage-regulator diode DZ1, resistance R5, resistance R6, resistance
R1, resistance R2, electric capacity C3 and triode T1, wherein, the ac input end of the rectifier bridge DB1 respectively with the electric capacity C2, double
Connected to controllable silicon TR1 T2 ends, the DC output end of the rectifier bridge DB1 respectively with the resistance R5, triode T1 hair
Emitter-base bandgap grading is connected, and the resistance R5 is connected to the base stage of the triode T1 through the resistance R6, electric capacity C3, the triode T1's
Colelctor electrode is connected to the DC output end of the rectifier bridge DB1, resistance R5 through the voltage-regulator diode DZ1, resistance R2, resistance R1
Input between, the input of the voltage-regulator diode DZ1 is connected with the colelctor electrode of the triode T1, the pole of voltage stabilizing two
Pipe DZ1 output end is connected with the resistance R2.
As shown in figure 1, it is described control circuit 2 also including electric capacity C4, the electric capacity C4 one end be connected to the resistance R6,
Between electric capacity C3, the other end of the electric capacity C4 is connected to the emitter stage of the triode T1, rectifier bridge DB1 DC output end
Between.
As shown in figure 1, the control circuit 2 also includes voltage-regulator diode DZ2, the output end of the voltage-regulator diode DZ2
It is connected between the resistance R6, electric capacity C3, the input of the voltage-regulator diode DZ2 is connected to the transmitting of the triode T1
Between pole, rectifier bridge DB1 DC output end.
As shown in figure 1, it is described control circuit 2 also including resistance R8, the resistance R8 one end be connected to the resistance R6,
Between electric capacity C3, the other end of the resistance R8 is connected to the emitter stage of the triode T1, rectifier bridge DB1 DC output end
Between.
As shown in figure 1, it is described control circuit 2 also including resistance R7, the resistance R7 one end be connected to the electric capacity C3,
Between triode T1 base stage, the other end of the resistance R7 be connected to the emitter stage of the triode T1, rectifier bridge DB1 it is straight
Between stream output end.
As shown in figure 1, the compressor start circuit also includes compressor main coil L1, compressor secondary coil L2, overload
Protector g, operation electric capacity C1, the semistor PTC, bidirectional triode thyristor TR1 are series at the compressor pair
On coil L2.
A kind of operation principle for compressor start circuit that the present invention is provided is：Alternating current is through semistor
PTC, bidirectional triode thyristor TR1, triggers circuit 1, to control circuit 2, turn on through electric capacity C3 trigger triodes T1, treat that voltage reaches surely
When pressing diode DZ1 voltage stabilizing values, control circuit 2 equivalent resistance reduces, when triode T1 collection radio streams Ice is more than bidirectional triode thyristor
During TR1 trigger currents, the conducting of bidirectional triode thyristor TR1 anode cathodes, compressor start.After startup, when electric capacity C3 both end voltages are steady
Regularly, triode T1 is closed, the equivalent resistance increase of control circuit 2, and the partial pressure of triggers circuit 1, which reduces, causes diac D2 not
Energy triggering and conducting, bidirectional triode thyristor TR1 Triggerless is complete switched off, and realizes the maintenance zero-power after freezer compressor startup.
A kind of compressor start circuit that the present invention is provided can be used for freezer compressor start-up circuit, but be not limited to refrigerator pressure
Contracting machine start-up circuit.
A kind of advantage for compressor start circuit that the present invention is provided is：
1st, the time is adjustable when freezer compressor starts, and the zero-power of start-up circuit is realized after startup.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (9)
1. a kind of compressor start circuit, it is characterised in that：Including semistor PTC, bidirectional triode thyristor TR1,
Triggers circuit and control circuit, wherein, the semistor PTC and bidirectional triode thyristor TR1 T1 ends connect
Connect, the semistor PTC, bidirectional triode thyristor TR1 G ends are connected with the triggers circuit respectively, it is described to touch
Power Generation Road, bidirectional triode thyristor TR1 T2 ends are connected with the control circuit respectively.
2. compressor start circuit according to claim 1, it is characterised in that：The triggers circuit includes resistance R4, electricity
Hold C2, resistance R3 and diac D2, wherein, one end of the electric capacity C2 is connected to the semistor
Between PTC, bidirectional triode thyristor TR1 T1 ends, the other end of the electric capacity C2 with it is described control circuit be connected, the resistance R3 and
The electric capacity C2 is in parallel, and one end of the diac D2 is connected with the G ends of the bidirectional triode thyristor TR1, the triggering two
The pole pipe D2 other end is connected between the electric capacity C2, control circuit, and one end of the resistance R4 is connected to the positive temperature
Between coefficient resistance PTC, electric capacity C2, the other end of the resistance R4 is connected to the G ends of the bidirectional triode thyristor TR1, touched
Between hair diode D2.
3. compressor start circuit according to claim 2, it is characterised in that：It is described control circuit include rectifier bridge DB1,
Voltage-regulator diode DZ1, resistance R5, resistance R6, resistance R1, resistance R2, electric capacity C3 and triode T1, wherein, the rectifier bridge DB1
T2 end of the ac input end respectively with the electric capacity C2, bidirectional triode thyristor TR1 be connected, the direct current output of the rectifier bridge DB1
The emitter stage respectively with the resistance R5, triode T1 is held to be connected, the resistance R5 is connected to institute through the resistance R6, electric capacity C3
Triode T1 base stage is stated, the colelctor electrode of the triode T1 is connected to through the voltage-regulator diode DZ1, resistance R2, resistance R1
Between the DC output end of the rectifier bridge DB1, resistance R5 input, the input of the voltage-regulator diode DZ1 with it is described
Triode T1 colelctor electrode connection, the output end of the voltage-regulator diode DZ1 is connected with the resistance R2.
4. compressor start circuit according to claim 3, it is characterised in that：The control circuit also includes electric capacity C4,
One end of the electric capacity C4 is connected between the resistance R6, electric capacity C3, and the other end of the electric capacity C4 is connected to three pole
Between pipe T1 emitter stage, rectifier bridge DB1 DC output end.
5. compressor start circuit according to claim 3, it is characterised in that：The control circuit also includes the pole of voltage stabilizing two
Pipe DZ2, the voltage-regulator diode DZ2 output end are connected between the resistance R6, electric capacity C3, the voltage-regulator diode DZ2
Input be connected between the emitter stage of the triode T1, rectifier bridge DB1 DC output end.
6. compressor start circuit according to claim 3, it is characterised in that：The control circuit also includes resistance R8,
One end of the resistance R8 is connected between the resistance R6, electric capacity C3, and the other end of the resistance R8 is connected to three pole
Between pipe T1 emitter stage, rectifier bridge DB1 DC output end.
7. compressor start circuit according to claim 3, it is characterised in that：The control circuit also includes resistance R7,
One end of the resistance R7 is connected between the electric capacity C3, triode T1 base stage, and the other end of the resistance R7 is connected to
Between the emitter stage of the triode T1, rectifier bridge DB1 DC output end.
8. compressor start circuit according to claim 1, it is characterised in that：The compressor start circuit also includes pressure
Contracting machine secondary coil L2, the semistor PTC, bidirectional triode thyristor TR1 are series at the compressor secondary coil L2
On.
9. a kind of refrigerator, it is characterised in that：Including the compressor start circuit any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710160556.0A CN106953552A (en) | 2017-03-17 | 2017-03-17 | Compressor start circuit and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710160556.0A CN106953552A (en) | 2017-03-17 | 2017-03-17 | Compressor start circuit and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106953552A true CN106953552A (en) | 2017-07-14 |
Family
ID=59472659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710160556.0A Pending CN106953552A (en) | 2017-03-17 | 2017-03-17 | Compressor start circuit and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106953552A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444792A (en) * | 2000-07-25 | 2003-09-24 | 巴西船用压缩机有限公司 | Electronic circuit for starting single phase induction motor |
| US20050184699A1 (en) * | 2004-02-24 | 2005-08-25 | Mitsuru Unno | Motor starter device having reduced power consumption |
| CN201039045Y (en) * | 2006-11-21 | 2008-03-19 | 万宝冷机集团广州电器有限公司 | Energy-saving PTC starter |
| US20090174359A1 (en) * | 2005-11-23 | 2009-07-09 | Stmcroelectronics S.A. | Control of a triac for the starting of a motor |
| CN201541222U (en) * | 2009-08-11 | 2010-08-04 | 贵州凯里经济开发区中昊电子有限公司 | energy-saving motor starter |
| CN102158150A (en) * | 2011-04-29 | 2011-08-17 | 杭州星帅尔电器股份有限公司 | Ultra-low power consumption motor starter |
-
2017
- 2017-03-17 CN CN201710160556.0A patent/CN106953552A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444792A (en) * | 2000-07-25 | 2003-09-24 | 巴西船用压缩机有限公司 | Electronic circuit for starting single phase induction motor |
| US20050184699A1 (en) * | 2004-02-24 | 2005-08-25 | Mitsuru Unno | Motor starter device having reduced power consumption |
| US20090174359A1 (en) * | 2005-11-23 | 2009-07-09 | Stmcroelectronics S.A. | Control of a triac for the starting of a motor |
| CN201039045Y (en) * | 2006-11-21 | 2008-03-19 | 万宝冷机集团广州电器有限公司 | Energy-saving PTC starter |
| CN201541222U (en) * | 2009-08-11 | 2010-08-04 | 贵州凯里经济开发区中昊电子有限公司 | energy-saving motor starter |
| CN102158150A (en) * | 2011-04-29 | 2011-08-17 | 杭州星帅尔电器股份有限公司 | Ultra-low power consumption motor starter |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| 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: 20170714 |
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| RJ01 | Rejection of invention patent application after publication |