CN202267171U - Air-conditioner with auxiliary heating system - Google Patents
Air-conditioner with auxiliary heating system Download PDFInfo
- Publication number
- CN202267171U CN202267171U CN2011204007317U CN201120400731U CN202267171U CN 202267171 U CN202267171 U CN 202267171U CN 2011204007317 U CN2011204007317 U CN 2011204007317U CN 201120400731 U CN201120400731 U CN 201120400731U CN 202267171 U CN202267171 U CN 202267171U
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- relay
- zero
- microcontroller
- control circuit
- air
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Abstract
The utility model provides an air-conditioner with an auxiliary heating system, which can regulate auxiliary heating power with wide scope continuously. A control circuit of the air-conditioner comprises a controllable silicon control circuit, a relay control circuit, a voltage zero crossing detection circuit, a microcontroller and a voltage stabilization source. One end of controllable silicon of the controllable silicon control circuit is connected with a firing line of an electric supply, the other end of the controllable silicon of the controllable silicon control circuit is connected with an input end of a first power supply of a heater, an input end of a second power supply of the heater is connected with a relay input end of the relay control circuit, and the relay output end is connected with a zero line of the electric supply. The voltage zero crossing detection circuit is used for detecting commutating voltage signals, and the microcontroller reads zero crossing detection signals. The microcontroller is used for controlling closing of a relay and conduction angles of the controllable silicon according to indoor and outdoor environmental temperature, indoor evaporator copper pipe temperature, user setting temperature and voltage zero crossing signals, so that the auxiliary heating power can be regulated in the wide scope continuously.
Description
Technical field
The utility model relates to air-conditioning technical field, is specifically related to a kind of air-conditioning that has concurrent heating system.
Background technology
Along with the development of air-conditioning industry, people are to air conditioner energy saving, and the performance requirement of comfort aspect is also increasingly high.
In the prior art; The circuit theory diagrams of indoor apparatus of air conditioner concurrent heating system are as shown in Figure 1, and heating element is connected in the electrical network through two relays among Fig. 1, during two relay conductings simultaneously; Heating element work is in febrile state; As long as not conducting of relay is arranged, then heating element is in not febrile state, and every kind of duty is corresponding to a power.Prior art has following shortcoming: its power is limited and be two values of fixing, can not wide region, regulate the heating power of heating element continuously.Fixing heating power is unfavorable for energy-conservation electricity consumption, also influences user's comfortableness simultaneously, can not satisfy the high requirement of indoor environment.
Summary of the invention
The purpose of the utility model is to provide a kind of air-conditioning that has concurrent heating system, can realize wide region, regulate auxilliary thermal power continuously, and adjustable auxilliary thermal power combines air-conditioning to develop multiple heat-production functions pattern reaching energy-saving effect, has improved user's comfortableness.
The utility model is realized through following technical scheme:
The air-conditioning that has concurrent heating system includes heating element, relay and control circuit, and wherein, said control circuit includes: SCR control circuit, control relay circuit, voltage zero-crossing detection circuit, microcontroller and source of stable pressure; Silicon controlled one end is connected with the live wire of civil power in the said SCR control circuit, and the other end is connected with first power input of heating element; The second source input of said heating element is connected with the relay input of control relay circuit, and the output of relay is connected with the zero line of civil power; Said voltage zero-crossing detection circuit promptly detects the voltage over zero of electric main and the zero passage detection signal is provided in order to rectified voltage signal is detected, and microcontroller reads this zero passage detection signal; Said microcontroller is in order to according to indoor and outdoor surroundings temperature, indoor evaporator copper pipe temperature, user's design temperature and voltage zero-crossing signal, the closure of control relay and the silicon controlled angle of flow, thus wide-range continuous is regulated auxilliary thermal power.
The beneficial effect of the utility model is following:
The air-conditioning that has concurrent heating system of the utility model: because the silicon controlled existence has been arranged, in conjunction with voltage zero-crossing detection circuit, can be according to indoor and outdoor surroundings temperature, indoor evaporator copper pipe temperature and user's design temperature; By the microprocessor controls silicon controlled angle of flow; Thereby controlled the heating power of heating element, stepless so auxilliary thermal power is regulated, and has guaranteed that the wind pushing temperature of air-conditioning under heating mode do not have obvious fluctuation; Improve user's comfortableness, also reached energy-conservation effect.We can also realize the control that heats of various modes to combine this entity of air-conditioning simultaneously.
Description of drawings
Fig. 1 is the auxilliary thermal control circuit schematic diagram of air-conditioning in the prior art;
Fig. 2 is the control circuit schematic diagram that has concurrent heating system of the utility model;
Fig. 3 is the control method flow chart of the utility model air-conditioning of having concurrent heating system;
Fig. 4 heats control flow chart in the control method of the utility model air-conditioning of having concurrent heating system fast;
Fig. 5 is the comfortable control flow chart that heats in the control method of the utility model air-conditioning of having concurrent heating system;
Fig. 6 is an energy-saving heat-production control flow chart in the control method of the utility model air-conditioning of having concurrent heating system.
Description of reference numerals:
1, SCR control circuit, 2, control relay circuit, 3, voltage zero-crossing detection circuit, 4, heating element, 5, microcontroller, 6, source of stable pressure.
The specific embodiment
The utility model discloses a kind of air-conditioning that has concurrent heating system; Ask for an interview Fig. 2; Include heating element 4, relay and control circuit; Wherein, said control circuit includes: SCR control circuit 1, control relay circuit 2, voltage zero-crossing detection circuit 3, microcontroller 5 and source of stable pressure 6; Silicon controlled one end is connected with the live wire of civil power in the said SCR control circuit 1, and the other end is connected with first power input of heating element; The second source input of said heating element 4 is connected with the relay input of control relay circuit 2, and the output of relay is connected with the zero line of civil power; Said voltage zero-crossing detection circuit 3 promptly detects the voltage over zero of electric main and the zero passage detection signal is provided in order to rectified voltage signal is detected, and microcontroller 5 reads this zero passage detection signal; Said microcontroller 5 is in order to according to indoor and outdoor surroundings temperature, indoor evaporator copper pipe temperature, user's design temperature and voltage zero-crossing signal, the closure of control relay and the silicon controlled angle of flow, thus wide-range continuous is regulated auxilliary thermal power.
Combine accompanying drawing that the specific embodiment of the utility model is done further detailed explanation now.
As shown in Figure 2: in the present embodiment, said source of stable pressure 6 adopts 5v source of stable pressure 6.
Described SCR control circuit 1 comprises controllable silicon Q1, photoelectrical coupler U2, triode Q3, current-limiting resistance R1, current-limiting resistance R2, current-limiting resistance R3, capacitance-resistance module RC1; Described capacitance-resistance module RC1 and silicon controlled anode, negative electrode parallel connection; The anode of controllable silicon Q1 is connected with live wire L, and negative electrode is connected with first power input of heating element 4, and the control utmost point of controllable silicon Q1 is connected with the 4th pin of photoelectrical coupler U2; Photoelectrical coupler the 6th pin is connected with live wire behind current-limiting resistance R1, the photoelectrical coupler second pin ground connection; The emitter stage of triode Q3 is connected with photoelectrical coupler U2 first pin, and its colelctor electrode is connected with 5v source of stable pressure 6 behind current-limiting resistance R2, and its base stage is connected with microcontroller 5 behind current-limiting resistance R3.
The control signal PWM of microcontroller 5 has controlled the conducting of triode Q3, and triode Q3 realization electric current amplification is controlled photoelectrical coupler U2, and the conducting of photoelectrical coupler U2 can realize the control of thyristor operating angle.The control of different dutycycle PWM ripple control silicon controlled extremely makes controllable silicon in half alternating voltage conducting different time in the work period.Dutycycle is big more, and the silicon controlled angle of flow is big more, and the heating power of the big more heating element of the angle of flow is just big more.Dutycycle can step-less adjustment, so corresponding heating power has also been realized step-less adjustment.
In the said control relay circuit 2, relay one end is connected with the second source input of heating element 4, another termination civil power zero line, and its control end is connected with microcontroller 5, the diode D6 that the relay control end is connected in parallel and shields.
Said voltage zero-crossing detection circuit 3; Comprise triode Q2, divider resistance R4, divider resistance R5 and resistance R 6; Behind divider resistance R5, connect the base stage of triode Q2 from rectified voltage signal circuit AC_ZERO, divider resistance R4 is parallelly connected with the Base-Emitter of triode Q2, and the emitter stage one end ground connection of triode Q2; 5v source of stable pressure 6 connects resistance R 6 backs and is connected with the colelctor electrode of triode Q2, and the colelctor electrode MCU_ZERO signal line of triode Q2 is connected with microcontroller 5.
The resistance R 4 and the R5 voltage that rectification is come out to rectifier bridge of voltage zero-crossing detection circuit 3 carry out voltage division processing; And triode Q2 will give microcontroller 5 according to zero cross signal of magnitude of voltage bad student; When point of zero voltage voltage arrived, triode Q2 will end, and what MCU_ZERO appeared is high level.
The above-mentioned control method that has the air-conditioning of concurrent heating system, wherein, air-conditioning gets into heating mode, and microcontroller is according to temperature and user's design temperature of indoor and outdoor surroundings temperature, evaporimeter copper pipe, and whether control starts concurrent heating system; When microprocessor controls is opened electric concurrent heating system; Microcontroller sends the signal control relay adhesive, begins simultaneously to gather the zero passage detection signal that receives zero cross detection circuit, when detecting voltage over zero; Time-delay is sent instruction after certain time that is fit to and is given the conducting of SCR control circuit controling thyristor; Microcontroller sends different dutycycle PWM ripples, changes the silicon controlled angle of flow, thereby changes the heating power of concurrent heating system; Be the closure and the silicon controlled angle of flow that control circuit passes through control relay, thereby wide-range continuous is regulated auxilliary thermal power.
Like Fig. 3, the said control method that has the air-conditioning of concurrent heating system comprises following concrete steps:
1. begin;
2. judge whether air-conditioning gets into heating mode, in this way, get into step 4.; As not, get into step 3.;
3. break off relay;
4. relay adhesive;
5. judge: whether design temperature-room temperature＞=first temperature difference setting value Δ T1 sets up, and in this way, gets into and heats control model fast, as not, gets into step 6.;
6. judge: whether second temperature difference setting value Δ T2＜design temperature-room temperature＜first temperature difference setting value Δ T1 sets up, and in this way, gets into the comfortable control model that heats, and as not, gets into step 7.;
7. judge: whether design temperature-room temperature＜=Δ T2 sets up, and in this way, gets into the energy-saving heat-production control model, as not, gets back to step 2..
Like Fig. 4, heat control model fast and be: microcontroller makes the heating element full power operation make indoor temperature near design temperature fast to reach with 100% dutycycle control controllable silicon.
Like Fig. 5, the comfortable control model that heats is: microcontroller is regulated the silicon controlled angle of flow according to indoor temperature, evaporimeter copper pipe temperature and user's design temperature, and control heating element power; Determination methods is: when indoor evaporator pipe Wen Wendu increases, represent that the air-conditioning heating performance is better; And when indoor pipe Wen Wendu reduction, expression air-conditioning heating performance descends; The microcontroller collection receives the zero passage detection signal of zero cross detection circuit, the dutycycle increasing heating element power of corresponding increase PWM ripple when the air-conditioning heating performance descends, and on the contrary, the dutycycle of the corresponding PWM of reducing ripple reduces heating element power when having changed when air-conditioning heats.
So just can keep more stable leaving air temp, improve user's comfortableness.
Like Fig. 6, the energy-saving heat-production control model is: microcontroller is regulated the silicon controlled angle of flow according to indoor temperature, evaporimeter copper pipe temperature and user's design temperature, control heating element power; When the air-conditioning heating performance is better, stop heating element work, when the air-conditioning heating performance is relatively poor, the work of heating element small-power.
Above-mentioned listed concrete implementation is nonrestrictive, and to one skilled in the art, in not departing from the utility model scope, various improvement and the variation carried out all belong to the protection domain of the utility model.
Claims (5)
1. the air-conditioning that has concurrent heating system; Include heating element (4), relay and control circuit, it is characterized in that: said control circuit includes: SCR control circuit (1), control relay circuit (2), voltage zero-crossing detection circuit (3), microcontroller (5) and source of stable pressure (6); Silicon controlled one end is connected with the live wire of civil power in the said SCR control circuit (1), and the other end is connected with first power input of heating element; The second source input of said heating element (4) is connected with the relay input of control relay circuit (2), and the output of relay is connected with the zero line of civil power; Said voltage zero-crossing detection circuit (3) promptly detects the voltage over zero of electric main and the zero passage detection signal is provided in order to rectified voltage signal is detected, and microcontroller (5) reads this zero passage detection signal; Said microcontroller (5) is in order to according to indoor and outdoor surroundings temperature, indoor evaporator copper pipe temperature, user's design temperature and voltage zero-crossing signal, the closure of control relay and the silicon controlled angle of flow, thus wide-range continuous is regulated auxilliary thermal power.
2. the air-conditioning that has concurrent heating system as claimed in claim 1 is characterized in that: said source of stable pressure (6) adopts the 5v source of stable pressure.
3. the air-conditioning that has concurrent heating system as claimed in claim 2 is characterized in that: described SCR control circuit (1) comprises controllable silicon Q1, photoelectrical coupler U2, triode Q3, current-limiting resistance R1, current-limiting resistance R2, current-limiting resistance R3, capacitance-resistance module RC1; Described capacitance-resistance module RC1 and silicon controlled anode, negative electrode parallel connection; The anode of controllable silicon Q1 is connected with live wire L, and negative electrode is connected with first power input of heating element (4), and the control utmost point of controllable silicon Q1 is connected with the 4th pin of photoelectrical coupler U2; Photoelectrical coupler the 6th pin is connected with live wire behind current-limiting resistance R1, the photoelectrical coupler second pin ground connection; The emitter stage of triode Q3 is connected with photoelectrical coupler U2 first pin, and its colelctor electrode is connected with 5v source of stable pressure (6) behind current-limiting resistance R2, and its base stage is connected with microcontroller (5) behind current-limiting resistance R3.
4. the air-conditioning that has concurrent heating system as claimed in claim 3; It is characterized in that: in the said control relay circuit (2); Relay one end is connected with the second source input of heating element (4); Another termination civil power zero line, its control end is connected with microcontroller (5), the diode D6 that the relay control end is connected in parallel and shields.
5. the air-conditioning that has concurrent heating system as claimed in claim 4; It is characterized in that: said voltage zero-crossing detection circuit (3); Comprise triode Q2, divider resistance R4, divider resistance R5 and resistance R 6; Behind divider resistance R5, connect the base stage of triode Q2 from rectified voltage signal circuit AC_ZERO, divider resistance R4 is parallelly connected with the Base-Emitter of triode Q2, and the emitter stage one end ground connection of triode Q2; 5v source of stable pressure 6 connects resistance R 6 backs and is connected with the colelctor electrode of triode Q2, and the colelctor electrode MCU_ZERO signal line of triode Q2 is connected with microcontroller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204007317U CN202267171U (en) | 2011-10-19 | 2011-10-19 | Air-conditioner with auxiliary heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204007317U CN202267171U (en) | 2011-10-19 | 2011-10-19 | Air-conditioner with auxiliary heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202267171U true CN202267171U (en) | 2012-06-06 |
Family
ID=46157966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204007317U Withdrawn - After Issue CN202267171U (en) | 2011-10-19 | 2011-10-19 | Air-conditioner with auxiliary heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202267171U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062859A (en) * | 2011-10-19 | 2013-04-24 | 珠海格力电器股份有限公司 | Air conditioner with auxiliary heating system and control method thereof |
| CN103683182A (en) * | 2012-08-29 | 2014-03-26 | 西门子公司 | Circuit arrangement used for electric protective device |
| CN103851744A (en) * | 2012-12-05 | 2014-06-11 | 珠海格力电器股份有限公司 | Method and device for controlling air conditioner |
| CN105299819A (en) * | 2014-07-08 | 2016-02-03 | 美的集团武汉制冷设备有限公司 | Heating control device of air conditioner and power control method for heating control device |
-
2011
- 2011-10-19 CN CN2011204007317U patent/CN202267171U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062859A (en) * | 2011-10-19 | 2013-04-24 | 珠海格力电器股份有限公司 | Air conditioner with auxiliary heating system and control method thereof |
| CN103062859B (en) * | 2011-10-19 | 2015-06-10 | 珠海格力电器股份有限公司 | Air conditioner with auxiliary heating system and control method thereof |
| CN103683182A (en) * | 2012-08-29 | 2014-03-26 | 西门子公司 | Circuit arrangement used for electric protective device |
| CN103851744A (en) * | 2012-12-05 | 2014-06-11 | 珠海格力电器股份有限公司 | Method and device for controlling air conditioner |
| CN103851744B (en) * | 2012-12-05 | 2016-08-24 | 珠海格力电器股份有限公司 | The control method of air-conditioning and device |
| CN105299819A (en) * | 2014-07-08 | 2016-02-03 | 美的集团武汉制冷设备有限公司 | Heating control device of air conditioner and power control method for heating control device |
| CN105299819B (en) * | 2014-07-08 | 2018-06-01 | 美的集团武汉制冷设备有限公司 | The heating control device and its Poewr control method of air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120606 Effective date of abandoning: 20150610 |
|
| RGAV | Abandon patent right to avoid regrant |