CN104596170A - Multi-gear control system for compressor - Google Patents
Multi-gear control system for compressor Download PDFInfo
- Publication number
- CN104596170A CN104596170A CN201310538964.7A CN201310538964A CN104596170A CN 104596170 A CN104596170 A CN 104596170A CN 201310538964 A CN201310538964 A CN 201310538964A CN 104596170 A CN104596170 A CN 104596170A
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- Prior art keywords
- compressor
- gear
- controller
- control system
- many gears
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a multi-gear control system for a compressor. The multi-gear control system comprises a controller, circuit opening and closing devices and the compressor. The compressor is a multi-rotation-speed-gear compressor. The power supply circuit at each gear is provided with the corresponding circuit opening and closing device, and the opening and closing of each circuit opening and closing device is controlled by the controller. The multi-gear control system is mainly characterized in that the multi-tap compressor is developed, functions of bundled software are set, the whole control scheme is simpler and more reliable than a variable frequency air conditioner, cost is low, and good and comfortable experience can be provided.
Description
Technical field
The present invention relates to a kind of control system of compressor of air conditioner, especially can be applicable to family expenses Split wall-mounted and vertical air conditioner.
Background technology
Tradition constant speed compressor of air conditioner starts with 220V power frequency ac voltage, and only have first gear speed (as shown in Figure 2), when start runs, starting current is larger, user family's line voltage (especially the Large Copacity floor standing air-conditioner of more than two) can be dragged down, the normal use of other electrical equipment in user family may be had influence on; When environment temperature reaches design temperature time, compressor can shut down at once, and before and after compressor stops, variation of ambient temperature is comparatively large, and human body sensory comfortableness is poor.The convertible frequency air-conditioner of current use has compressor low-frequency start and the free adjustable feature of running frequency, can address the aforementioned drawbacks, improve startability and human body sensing comfortableness, but frequency-variable air conditioner outdoor machine needs independent control circuit and compressor drive circuit, there is again the defects such as complex manufacturing, longtime running reliability is low, production cost is high.
Summary of the invention
Technical problem to be solved by this invention is that to realize a kind of starting current that simultaneously can solve traditional constant speed air-conditioning large, human body sensing comfortableness is poor, can solve again compressor of air conditioner many gears control system of the defects such as complex manufacturing, longtime running reliability is low, production cost is high.
To achieve these goals, the technical solution used in the present invention is: a kind of compressor many gears control system, comprise controller, connecting and disconnecting of the circuit device and compressor, described compressor is many grades of rotating speed compressors, the power supply circuits of each gear are respectively equipped with connecting and disconnecting of the circuit device, each described connecting and disconnecting of the circuit device controls break-make by described controller.
Described connecting and disconnecting of the circuit device is relay or A.C. contactor.
Described compressor gear has two at least.
Described compressor gear is provided with 3, and each described gear is equipped with a connecting and disconnecting of the circuit device on powering.
A control method for compressor many gears control system, controller controls compressor many gears control system and works according to following autocontrol method:
System starts, and controller makes compressor start with deep low gear speed by control circuit on-off system;
Compressor works after time rating with low-grade speed, compressor switches compressor gear according to the difference DELTA T of design temperature and current indoor environment temperature, it is interval that each gear of the corresponding compressor of controller is preset with corresponding specified switching value, now which gear switch value interval Δ T is in, then controller startup compressor works with corresponding gear;
When Δ T be in fall in gear switch value interval time, controller start compressor work with corresponding gear.
Described specified switching value interval is provided with two, and be greater than A-1 for being more than or equal to A and being less than A, described A is integer absolute value, and scope is 2-5.
Described time rating is 1-3 minute.
Described controller controls compressor many gears control system according to manual methods work, and after starting manual methods, compressor runs, until reach design temperature with most top gear.
The key node of above technology is the exploitation of many taps compressor and the setting of software kit function, and a whole set of control program is more simple and reliable than convertible frequency air-conditioner, and cost is low, can provide again better comfortable experience.
Accompanying drawing explanation
Mark in the content expressed every width accompanying drawing in description of the present invention below and figure is briefly described:
Fig. 1 is the application's ac control circuit figure;
Fig. 2 is prior art constant speed ac control circuit figure;
Mark in above-mentioned figure is: 1, controller; 2, relay; 3, compressor; 4, running capacitor.
Detailed description of the invention
Known see Fig. 1, compressor many gears control system comprises controller 1, connecting and disconnecting of the circuit device, compressor 3 and running capacitor 4, compressor 3 is the many grades of tapped compressors of rotating speed Multiple coil, connecting and disconnecting of the circuit device can be relay 2 or A.C. contactor, compound transistor or single triode can be adopted to drive relay, controller 1 can adopt MCU or DSP for control core, can be any producer brand.
Compressor 3 gear has two at least, and each gear connects and composes power supply circuits through running capacitor 4 and power supply, and each power supply circuits are respectively equipped with connecting and disconnecting of the circuit device, and each connecting and disconnecting of the circuit device controls break-make by controller 1.Controller 1 is control chip, realizes the control to compressor 3 by software function.
Above-mentioned compressor many gears control system is controlled to work according to following autocontrol method by controller 1:
System starts, and controller 1 makes compressor 3 start with deep low gear speed by control circuit on-off system, can prevent heavy current impact like this, drag down consumer networks voltage, have influence on the normal use of other electrical equipment of user's family;
Compressor 3 is with after the low-grade fast time rating that works (normally 1-3 minute), compressor 3 switches compressor 3 gear according to the difference DELTA T of design temperature and current indoor environment temperature, it is interval that each gear of the corresponding compressor of controller 13 is preset with corresponding specified switching value, now which gear switch value interval Δ T is in, then controller 1 starts compressor 3 and works with corresponding gear, compressor 3 can be controlled like this work when fast with difference when different temperatures, both the requirement of user's quick-cooling and quick-warming can have been reached, also human body can be allowed to avoid experiencing larger cold and hot contrast, reach higher comfortableness requirement,
When Δ T be in fall in gear switch value interval time, controller 1 starts compressor 3 and works with corresponding gear, and with this periodic duty, until system cut-off is closed.
Preferred compressor 3 can arrange three gears, and wherein specified switching value interval is provided with two, for being more than or equal to A(top gear) and be less than A and be greater than A-1(mid ranger), A is integer absolute value, scope is 2-5, and suggestion is set as 3, can reach better comfortable effect like this.
Be described in detail for three gear compressors 3 below, and A is set as 3, summer, air conditioner refrigerating started, and supposed that design temperature is 26 degree, and after starting, namely compressor 3 runs with low-grade speed, avoids heavy current impact.Low cruise is after 1 minute, and the difference according to design temperature and environment temperature decides compressor operating gear.Suppose that current environment temperature is 29 degree, be 3 degree, namely meet the condition of Δ T >=A with the difference of design temperature, compressor 3 proceeds to high tap position by low-grade location and runs, and reaches the effect of fast-refrigerating; When after operation of air conditioner a period of time; environment temperature is reduced to 27 degree; meet Δ T<A-1 condition; compressor 3 transfers middle-grade operation to; make environment temperature remain on steady in a long-term near design temperature operation, shut down after avoiding rapid cooling to reach design temperature and cause the temperature difference to bring more greatly the uncomfortable of human body.Same, winter heats, and suppose that start user is set as 26 degree, environment temperature is 10 degree, and after compressor elder generation starts 1 minute with low grade, assumed temperature rises to 22 degree, and Δ T 4 is greater than A, then transfer high-speed cruising to, heat fast; When environment temperature reaches 25 degree, meet Δ T<A-1 condition, compressor turns middle-grade operation, keeps human comfort.
The Δ T<A-1 that imposes a condition is in order to avoid the frequent medium and high-grade of compressor 3 switches, and causes comfortableness to give a discount on the one hand, also can extend the service life of control circuit on the other hand.
In addition, except the control method of compressor many gears control system is with except autocontrol method work, if user does not want to use this automatic function, also can control separately remote controller and open " powerful " function, after starting manual methods, now compressor 3 runs, until reach design temperature with most top gear.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (8)
1. compressor many gears control system, comprise controller (1), connecting and disconnecting of the circuit device and compressor (3), it is characterized in that: described compressor (3) is many grades of rotating speed compressors, the power supply circuits of each gear are respectively equipped with connecting and disconnecting of the circuit device, each described connecting and disconnecting of the circuit device controls break-make by described controller (1).
2. compressor many gears control system according to claim 1, is characterized in that: described connecting and disconnecting of the circuit device is relay (2) or A.C. contactor.
3. compressor many gears control system according to claim 1 and 2, is characterized in that: described compressor (3) gear has two at least.
4. compressor many gears control system according to claim 3, is characterized in that: described compressor (3) gear is provided with 3, and each described gear is equipped with a connecting and disconnecting of the circuit device on powering.
5. a control method for compressor many gears control system, is characterized in that:
Controller (1) controls compressor many gears control system and works according to following autocontrol method:
System starts, and controller (1) makes compressor (3) start with deep low gear speed by control circuit on-off system;
Compressor (3) works after time rating with low-grade speed, compressor (3) switches compressor (3) gear according to the difference DELTA T of design temperature and current indoor environment temperature, it is interval that controller (1) corresponding compressor (3) each gear is preset with corresponding specified switching value, now which gear switch value interval Δ T is in, then controller (1) startup compressor (3) works with corresponding gear;
When Δ T be in fall in gear switch value interval time, controller (1) start compressor (3) work with corresponding gear.
6. control method according to claim 5, is characterized in that: described specified switching value interval is provided with two, and be greater than A-1 for being more than or equal to A and being less than A, described A is integer absolute value, and scope is 2-5.
7. control method according to claim 6, is characterized in that: described time rating is 1-3 minute.
8. the control method according to claim 6 or 7, it is characterized in that: described controller (1) controls compressor many gears control system according to manual methods work, start after manual methods, compressor (3) runs, until reach design temperature with most top gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538964.7A CN104596170B (en) | 2013-10-31 | 2013-10-31 | Multi-gear control system for compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538964.7A CN104596170B (en) | 2013-10-31 | 2013-10-31 | Multi-gear control system for compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104596170A true CN104596170A (en) | 2015-05-06 |
| CN104596170B CN104596170B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310538964.7A Active CN104596170B (en) | 2013-10-31 | 2013-10-31 | Multi-gear control system for compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115116A (en) * | 2015-10-13 | 2015-12-02 | 合肥美菱股份有限公司 | Control rule and application of mechanical variable-frequency compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4248053A (en) * | 1979-03-05 | 1981-02-03 | Westinghouse Electric Corp. | Dual capacity compressor with reversible motor and controls arrangement therefor |
| KR20020004101A (en) * | 2000-07-01 | 2002-01-16 | 구자홍 | Apparatus for start-current controlling of compressor |
| WO2009088203A2 (en) * | 2008-01-08 | 2009-07-16 | Lg Electronics Inc. | Apparatus and method for controlling operation of compressor |
| TWM381771U (en) * | 2010-01-15 | 2010-06-01 | shu-juan Zhan | Cold/hot fully-functional inverter device |
| CN102635540A (en) * | 2012-04-01 | 2012-08-15 | Tcl空调器(中山)有限公司 | Compressor speed regulating method, device and air conditioning equipment |
-
2013
- 2013-10-31 CN CN201310538964.7A patent/CN104596170B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4248053A (en) * | 1979-03-05 | 1981-02-03 | Westinghouse Electric Corp. | Dual capacity compressor with reversible motor and controls arrangement therefor |
| KR20020004101A (en) * | 2000-07-01 | 2002-01-16 | 구자홍 | Apparatus for start-current controlling of compressor |
| WO2009088203A2 (en) * | 2008-01-08 | 2009-07-16 | Lg Electronics Inc. | Apparatus and method for controlling operation of compressor |
| TWM381771U (en) * | 2010-01-15 | 2010-06-01 | shu-juan Zhan | Cold/hot fully-functional inverter device |
| CN102635540A (en) * | 2012-04-01 | 2012-08-15 | Tcl空调器(中山)有限公司 | Compressor speed regulating method, device and air conditioning equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115116A (en) * | 2015-10-13 | 2015-12-02 | 合肥美菱股份有限公司 | Control rule and application of mechanical variable-frequency compressor |
| CN105115116B (en) * | 2015-10-13 | 2017-10-03 | 合肥美菱股份有限公司 | A kind of control rule of mechanical frequency-changeable compressor and its application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104596170B (en) | 2017-02-08 |
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