CN105674502A - air conditioner heating control circuit and control method - Google Patents

air conditioner heating control circuit and control method Download PDF

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Publication number
CN105674502A
CN105674502A CN201610109688.6A CN201610109688A CN105674502A CN 105674502 A CN105674502 A CN 105674502A CN 201610109688 A CN201610109688 A CN 201610109688A CN 105674502 A CN105674502 A CN 105674502A
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CN
China
Prior art keywords
control
electric heating
temperature
heating tube
circuit
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Pending
Application number
CN201610109688.6A
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Chinese (zh)
Inventor
罗捷
王严杰
姜国璠
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201610109688.6A priority Critical patent/CN105674502A/en
Publication of CN105674502A publication Critical patent/CN105674502A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses an air conditioner heating control circuit and a control method, wherein the circuit comprises: a control main board; the temperature sensor is connected with the control main board and used for detecting the external environment temperature and feeding back the external environment temperature to the control main board; the first heating control circuit comprises a first electric heating pipe, the first heating control circuit is connected with the first output end of the control mainboard and is used for controlling the first electric heating pipe to heat according to a control signal output by the first output end of the control mainboard, and the control mainboard controls the first output end of the control mainboard to output the control signal according to the external environment temperature. The invention solves the problem that the air conditioning heating control mode in the prior art is manual control and the heating start and stop can not be automatically controlled according to actual requirements, realizes the automatic control of the air conditioning heating start and stop, and further improves the intelligence of the air conditioning heating control.

Description

Air-conditioning heating control circuit and control method
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of air-conditioning heating control circuit and control method.
Background technology
Existing ship is with in air conditioner electric heating control circuit; adopt arranges a temperature limiter and fuse-link is series at the mode of circuit more: control electrically heated start and stop by switch manual; when unit occurs extremely causing that electrical heating temperature is too high; temperature limiter or fuse-link action; electrical heating is made to disconnect, thus playing the safeguard protection effect to unit electric heater unit.
But, existing this control mode is intelligent not, and specifically, first, computer heating control mode is Non-follow control, it is impossible to control heating start and stop according to the actual requirements voluntarily; Additionally, computer heating control mode is more single, in user's actual application, it is sometimes desirable to quickly heat, and sometimes only needing heating by a small margin, existing control mode cannot selectively be heated controlling according to the actual requirements.
For the problems referred to above in correlation technique, not yet propose at present to efficiently solve scheme.
Summary of the invention
The invention provides a kind of air-conditioning heating control circuit and control method, at least to solve in prior art air-conditioning computer heating control mode for Non-follow control, it is impossible to the problem controlling heating start and stop according to the actual requirements voluntarily.
For solving above-mentioned technical problem, according to disclosure embodiment aspect, the invention provides a kind of air-conditioning heating control circuit, this circuit includes: control mainboard; Temperature sensor, temperature sensor is connected with controlling mainboard, is used for detecting ambient temperature, and ambient temperature feeds back to control mainboard; First heating control circuit, including the first electric heating tube, first heating control circuit is connected with controlling mainboard the first outfan, it is heated for controlling the first electric heating tube according to the control signal controlling the output of mainboard the first outfan, wherein, control mainboard and control mainboard the first outfan output control signal according to ambient temperature.
Further, this circuit also includes: the second heating control circuit, including the second electric heating tube, second heating control circuit is connected with controlling mainboard the second outfan, it is heated for automatically controlling the second electric heating tube according to the control signal controlling the output of mainboard the second outfan, wherein, control mainboard and control mainboard the second outfan output control signal according to ambient temperature.
Further, first heating control circuit also includes: the first relay, the control end of the first relay is connected with controlling mainboard the first outfan, the outfan of the first relay and the first electric heating tube connect, for controlling the first relay on-off according to the control signal controlling the output of mainboard the first outfan, to control the heating of the first electric heating tube.
Further, second heating control circuit also includes: the second relay, the control end of the second relay is connected with controlling mainboard the second outfan, the outfan of the second relay and the second electric heating tube connect, for controlling the second relay on-off according to the control signal controlling the output of mainboard the second outfan, to control the heating of the second electric heating tube.
Further, the first heating control circuit also includes: the first fuse, is arranged between the first relay and the first electric heating tube, for the first heating control circuit is carried out temperature protection.
Further, the first heating control circuit also includes: the first temperature limiter, is connected with the first relay, for the first heating control circuit is carried out temperature protection.
Further, the second heating control circuit also includes: the second fuse, is arranged between the second relay and the second electric heating tube, for the second heating control circuit is carried out temperature protection.
Further, the second heating control circuit also includes: the second temperature limiter, is connected with the second relay, for the second heating control circuit is carried out temperature protection.
Further, this circuit also includes: three phase mains, for the first electric heating tube, the first electric heating tube and control main board power supply.
Further, this circuit also includes: transformator, and the input of transformator is connected with three phase mains, the outfan of transformator with control mainboard is connected, for by three phase mains export voltage be converted to control mainboard can voltage.
Further, this circuit also includes: wave filter, and the first end of wave filter is connected with the outfan of transformator, and the second end of wave filter is connected with controlling mainboard, for the filtering of circuit.
Further, this circuit also includes: chopper, is arranged between three phase mains and transformator, for the overcurrent protection of circuit.
Further, this circuit also includes: phase sequence relay, is arranged at three phase mains and controls between mainboard, for the phase sequence of circuit.
Another aspect according to disclosure embodiment, it is provided that a kind of air-conditioning method for heating and controlling, the method includes: obtain current environmental temperature, and arranges temperature with air-conditioning and compare; Current environmental temperature lower than air-conditioning arrange the numerical value of temperature meet first threshold scope time, control the first electric heating tube and work to be heated.
Further, work controlling the first electric heating tube with after being heated, also include: after default very first time threshold value, monitor know current environmental temperature lower than air-conditioning arrange the numerical value of temperature meet Second Threshold scope time, control the second electric heating tube and the first electric heating tube work to be heated simultaneously.
Further, after controlling the second electric heating tube and the first electric heating tube and working to be heated simultaneously, also include: every the second time threshold acquisition current environmental temperature, and temperature is set with air-conditioning compares; Current environmental temperature lower than air-conditioning arrange temperature numerical value meet three threshold ranges time, control the second electric heating tube and quit work.
Further, controlling after the second electric heating tube quits work, also include: obtain current environmental temperature every the 3rd time threshold, and temperature is set with air-conditioning compares;Current environmental temperature lower than air-conditioning arrange temperature numerical value meet four threshold ranges time, control the first electric heating tube and quit work.
In the present invention, when the heating of air-conditioning is controlled, the mode being combined with temperature sensor by controlling mainboard realizes automatically controlling of air-conditioning heating, when specifically controlling, utilize temperature sensor detection ambient temperature, the temperature that ambient temperature and user are arranged on air-conditioning is compared, when controlling mainboard and judging the difference range meeting setting, send control signal and control air-conditioning realization heating automatically, this air-conditioning computer heating control mode, the air-conditioning computer heating control mode in prior art that efficiently solves is Non-follow control, the problem that cannot control heating start and stop according to the actual requirements voluntarily, realize automatically controlling of air-conditioning heating start and stop, further, improve the intellectuality of air-conditioning computer heating control.
Accompanying drawing explanation
Fig. 1 is a kind of optional structured flowchart of air-conditioning heating control circuit according to embodiments of the present invention;
Fig. 2 is the another kind of optional structured flowchart of air-conditioning heating control circuit according to embodiments of the present invention;
Fig. 3 is a kind of preferred circuit connection diagram of air-conditioning heating control circuit according to embodiments of the present invention; And
Fig. 4 is a kind of preferred flow chart of air-conditioning method for heating and controlling according to embodiments of the present invention.
Detailed description of the invention
Here in detail exemplary embodiment being illustrated, its example representation is in the accompanying drawings. When as explained below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element. Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the present invention. On the contrary, they only with in appended claims describe in detail, the present invention some in the example of consistent apparatus and method.
Embodiment 1
Below in conjunction with accompanying drawing, air-conditioning heating control circuit provided by the invention is illustrated.
Air-conditioning heating control circuit provided by the invention can be applied on marine air conditioner equipment, can also realize on domestic air-conditioning equipment or market temperature control system, Fig. 1 illustrates a kind of optional structured flowchart of this air-conditioning heating control circuit, as it is shown in figure 1, this air-conditioning heating control circuit includes:
Controlling mainboard 10, this control mainboard 10, as air-conditioning heating control circuit core controller, can be used for that air-conditioning is heated start and stop condition and judges, and whether air-conditioning is heated be controlled.
Temperature sensor 12, this temperature sensor 12 is connected with controlling mainboard 10, for detecting the ambient temperature of air-conditioning position, and ambient temperature feeds back to control mainboard. This ambient temperature can control the basis for estimation of air-conditioning heating start and stop as control mainboard 10.
First heating control circuit 14, including the first electric heating tube 142, first heating control circuit 14 is connected with controlling mainboard 10 first outfan, it is heated for controlling the first electric heating tube 142 according to the control signal controlling the output of mainboard 10 first outfan, wherein, control mainboard 10 and control mainboard the first outfan output control signal according to ambient temperature. Preferably, first heating control circuit also includes: the first relay 144, the control end of the first relay 144 is connected with controlling mainboard 10 first outfan, outfan and first electric heating tube 142 of the first relay 144 connect, for controlling the first relay on-off according to the control signal controlling the output of mainboard the first outfan, to control the heating of the first electric heating tube.
Specifically, above-mentioned air-conditioning heating control circuit, when being operated, first passes through temperature sensor 12 and obtains current environmental temperature, then by the ambient temperature parameter feedback obtained to controlling mainboard 10.The Temperature numerical controlling the sign environment nowadays that temperature sensor 12 is fed back by mainboard 10 compares with air-conditioning current setting temperature, current environmental temperature lower than air-conditioning arrange the numerical value of temperature meet first threshold scope time, control the first electric heating tube and work to be heated.
Above-mentioned preferred embodiment in, when the heating of air-conditioning is controlled, the mode being combined with temperature sensor by controlling mainboard realizes automatically controlling of air-conditioning heating, when specifically controlling, utilize temperature sensor detection ambient temperature, the temperature that ambient temperature and user are arranged on air-conditioning is compared, when controlling mainboard and judging the difference range meeting setting, send control signal and control air-conditioning realization heating automatically, this air-conditioning computer heating control mode, the air-conditioning computer heating control mode in prior art that efficiently solves is Non-follow control, the problem that cannot control heating start and stop according to the actual requirements voluntarily, realize automatically controlling of air-conditioning heating start and stop, further, improve the intellectuality of air-conditioning computer heating control.
One of the present invention preferred embodiment in, also above-mentioned scheme is optimized, to realize the technique effect that air conditioning system stepping is heated, when implementing, as shown in Figure 2, above-mentioned air-conditioning heating control circuit also includes: the second heating control circuit 16, including the second electric heating tube 162, second heating control circuit 16 is connected with controlling mainboard 10 second outfan, it is heated for automatically controlling the second electric heating tube according to the control signal controlling the output of mainboard the second outfan, wherein, control mainboard and control mainboard the second outfan output control signal according to ambient temperature. preferably, second heating control circuit also includes: the second relay 164, the control end of the second relay 164 is connected with controlling mainboard 10 second outfan, outfan and second electric heating tube 162 of the second relay 164 connect, for controlling the second relay on-off according to the control signal controlling the output of mainboard the second outfan, to control the heating of the second electric heating tube.
Specifically, in above-mentioned air-conditioning heating control circuit, the first heating control circuit 14 controls after the first electric heating tube 142 is heated, in very first time threshold value (such as, after 2min), monitor know current environmental temperature lower than air-conditioning arrange the numerical value of temperature meet Second Threshold scope time, control the second electric heating tube and the first electric heating tube work to be heated simultaneously.
The enforcement of above-mentioned preferred technical scheme, it is achieved to the electrically heated multiple-rank control of many grades of air-conditioning, when controlling mainboard and meeting the first unlocking condition according to temperature sensor detection outside temperature parameter, can control the first electric heating tube and be heated, i.e. one grade of heating; After the first electric heating tube is heated a period of time, temperature sensor detection outside temperature parameter is still bigger with air-conditioning design temperature gap, control mainboard can determine that and meets the second heating condition, make the second electric heating tube and the first electric heating tube be heated simultaneously, while realizing stepping heating, it is provided that the intellectuality of air-conditioning computer heating control.
One of the present invention preferred embodiment in, also such scheme is carried out further optimization, ensure that air-conditioning heating control circuit is in the safety controlling heating, specifically, Fig. 3 provides the circuit connection diagram of a kind of air-conditioning heating control circuit, in figure 3, control mainboard 10 to be connected with temperature sensor RT1 by CN3, for detecting the ambient temperature of air-conditioning position, and ambient temperature is fed back to control mainboard, and control mainboard 10 and be connected respectively through the control end of output port K8 and K1 with the first relay AP3 and the second relay AP4, for exporting whether control signal controls the conducting of the first relay AP3 and the second relay AP4, to realize the control to the first electric heating tube and the second electric heating tube.Further, the first heating control circuit also includes: first fuse FU1, FU2, is arranged between the first relay AP3 and first electric heating tube EH1, EH2, EH3, for the first heating control circuit is carried out temperature protection.
Additionally, the first heating control circuit also sets up: the first temperature limiter SAT1, it is connected with the first relay AP3, for the first heating control circuit is carried out temperature protection. Realized the electrically heated dual-temperature protection of unit by first fuse FU1, FU2, the first temperature limiter SAT1.
Accordingly, the second heating control circuit is provided with second fuse FU3, FU4, is arranged between the second relay AP4 and second electric heating tube EH4, EH5, EH6, for the second heating control circuit is carried out temperature protection. Further, the second heating control circuit also includes: the second temperature limiter SAT2, is connected with the second relay AP4, for the second heating control circuit is carried out temperature protection. Realized the electrically heated dual-temperature protection of unit by second fuse FU3, FU4, the second temperature limiter SAT2.
In figure 3, this air-conditioning heating control circuit also includes three phase mains, respectively through L1, L2 and L3 through patch panel XT1 be the first electric heating tube, the first electric heating tube heating power, and to control main board power supply, for circuit safety, the neutral conductor PE ground connection in three phase mains. Utilizing three phase mains that control mainboard is powered it is, need to arrange transformator (the transformator electrical appliance kit TC1 referring in Fig. 3), the input of transformator is connected with three phase mains, the outfan of transformator with control mainboard X1, X2 end is connected, for by three phase mains export voltage be converted to control mainboard can voltage.
Preferably, for stability and the safety of circuit, the air-conditioning heating control circuit provided in figure 3 also includes wave filter FILTER, and the first end of wave filter is connected with the outfan of transformator, second end of wave filter is connected with controlling mainboard X1, X2 end, for the filtering of circuit.
Additionally, for the safety of circuit, additionally provide overcurrent protective device, circuit breaker Q F1, it is arranged between three phase mains and transformator, for the overcurrent protection of circuit.
Further, foregoing circuit can also include: phase sequence relay PM, is arranged at three phase mains and controls between mainboard, for the phase sequence of circuit.
Embodiment 2
Based on the air-conditioning heating control circuit provided in above-described embodiment 1, additionally providing the control method of above-mentioned air-conditioning heating control circuit in the preferred embodiment of the invention 2, specifically, as shown in Figure 4, the method comprises the steps:
S402, obtains current environmental temperature, and arranges temperature with air-conditioning and compare;
S404, current environmental temperature lower than air-conditioning arrange the numerical value of temperature meet first threshold scope time, control the first electric heating tube and work to be heated.
Further, work controlling the first electric heating tube with after being heated, the method also includes: after very first time threshold value, monitor know current environmental temperature lower than air-conditioning arrange the numerical value of temperature meet Second Threshold scope time, control the second electric heating tube and the first electric heating tube work to be heated simultaneously.
Below in conjunction with accompanying drawing 3 examples, said method is illustrated:
When air-conditioning is under heating mode, and the ambient temperature T of temperature sensor detectionRingWith design temperature TIfBetween relation meet TIf≥TRingWhen+2 DEG C, i.e. the numerical value that current environmental temperature arranges temperature lower than air-conditioning meets first threshold scope, mainboard K8 port provide the output signal to solid-state relay plate AP3, now AP3 solid-state relay inhale and, first electric heating tube electrical heating open;After very first time threshold value (such as after 2min), control mainboard and again detect TIfWith TRingBetween relation, if still meet T set >=+2 DEG C of T ring time, namely, monitor know current environmental temperature lower than air-conditioning arrange the numerical value of temperature meet Second Threshold scope time, then provided the output signal to solid-state relay plate AP4 by mainboard K1 port, now AP4 solid-state relay inhale and, second electric heating tube electrical heating open.
Preferably, additionally provide the control program that electrical heating is closed in the method, specifically, after control the second electric heating tube and the first electric heating tube work to be heated simultaneously, obtain current environmental temperature every the second time threshold, and temperature is set with air-conditioning compares; Current environmental temperature lower than air-conditioning arrange temperature numerical value meet three threshold ranges time, control the second electric heating tube and quit work.
Further, controlling after the second electric heating tube quits work, obtain current environmental temperature every the 3rd time threshold, and temperature is set with air-conditioning compares; Current environmental temperature lower than air-conditioning arrange temperature numerical value meet four threshold ranges time, control the first electric heating tube and quit work.
Below in conjunction with accompanying drawing 3 examples, said method is illustrated:
When two grades of electrical heating have turned under air-conditioning heating pattern, control mainboard the second time threshold (such as, every 2min) and detect ambient temperature TRingWith design temperature TIfBetween relation, when meet T set≤+ 2 DEG C of T ring time, namely, the numerical value that current environmental temperature arranges temperature lower than air-conditioning meets the 4th threshold range, mainboard K1 port disconnects to the output signal of solid-state relay plate AP4, and now AP4 solid-state relay disconnects, and the second electric heating tube electrical heating is closed; After the 3rd time threshold (such as, 2min), mainboard detects T againIfWith TRingBetween relation, if still meet T set≤+ 2 DEG C of T ring time, namely, the numerical value that current environmental temperature arranges temperature lower than air-conditioning meets the 4th threshold range, mainboard K8 port disconnects to the output signal of solid-state relay plate AP3, and now AP3 solid-state relay disconnects, and the first electric heating tube electrical heating is closed.
Herein it should be noted that above-mentioned first threshold scope, very first time threshold value, the second time threshold, the 3rd time threshold can be arranged according to actual needs voluntarily, parameters numerical value can be identical, it is also possible to differs, and the present invention is not limited to this.
When carrying out the protection of circuit, when electrical heating dependent failure occurs in unit, cause that unit internal temperature is abnormal, and ambient temperature TRingDetection is broken down, and when electrical heating fails to be automatically switched off, namely by fuse-link and temperature limiter, unit electrical heating is carried out duplicate protection. Preferably, the fuse-link operating temperature T used by unitMolten=110 DEG C, the operating temperature of temperature limiter is TLimit=65 DEG C. After temperature limiter reaches operating temperature, solid-state relay plate AP3 (or AP4) temperature limiter connectivity port disconnects, after mainboard detects the cut-off signal of solid-state relay plate AP3 (or AP4), K8 (or K1) port cut-off signal inputs, making solid-state relay disconnect, electrical heating is closed. When temperature limiter also occurs that the faults such as short circuit cause that temperature limiter circuit cannot disconnect, continuation is risen by unit internal temperature, is now protected by fuse-link, and when fuse-link reaches fusing-off temperature, fuse-link disconnects, and will directly disconnect electric heating circuit.
Can be seen that from the above description, in the present invention, when the heating of air-conditioning is controlled, the mode being combined with temperature sensor by controlling mainboard realizes automatically controlling of air-conditioning heating, when specifically controlling, utilize temperature sensor detection ambient temperature, the temperature that ambient temperature and user are arranged on air-conditioning is compared, when controlling mainboard and judging the difference range meeting setting, send control signal and control air-conditioning realization heating automatically, this air-conditioning computer heating control mode, the air-conditioning computer heating control mode in prior art that efficiently solves is Non-follow control, the problem that cannot control heating start and stop according to the actual requirements voluntarily, realize automatically controlling of air-conditioning heating start and stop, further, improve the intellectuality of air-conditioning computer heating control.
Further, it may be achieved to the electrically heated multiple-rank control of many grades of air-conditioning, when controlling mainboard and meeting the first unlocking condition according to temperature sensor detection outside temperature parameter, the first electric heating tube can be controlled and be heated, i.e. one grade of heating; After the first electric heating tube is heated a period of time, temperature sensor detection outside temperature parameter is still bigger with air-conditioning design temperature gap, control mainboard can determine that and meets the second heating condition, make the second electric heating tube and the first electric heating tube be heated simultaneously, while realizing stepping heating, it is provided that the intellectuality of air-conditioning computer heating control.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to other embodiment of the present invention. The application is intended to any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed the general principle of the present invention and include known general knowledge in the art or the conventional techniques means that the present invention does not invent. Description and embodiments is considered only as exemplary, and the true scope of the present invention and spirit are pointed out by claim below.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and various amendment and change can carried out without departing from the scope. The scope of the present invention is only limited by appended claim.

Claims (17)

1. an air-conditioning heating control circuit, it is characterised in that including:
Control mainboard;
Temperature sensor, described temperature sensor is connected with described control mainboard, is used for detecting ambient temperature, and described ambient temperature feeds back to described control mainboard;
First heating control circuit, including the first electric heating tube, described first heating control circuit is connected with described control mainboard the first outfan, control signal for exporting according to described control mainboard the first outfan controls described first electric heating tube and is heated, wherein, described control mainboard controls described control mainboard the first outfan output control signal according to described ambient temperature.
2. circuit according to claim 1, it is characterised in that also include:
Second heating control circuit, including the second electric heating tube, described second heating control circuit is connected with described control mainboard the second outfan, control signal for exporting according to described control mainboard the second outfan automatically controls described second electric heating tube and is heated, wherein, described control mainboard controls described control mainboard the second outfan output control signal according to described ambient temperature.
3. circuit according to claim 2, it is characterized in that, described first heating control circuit also includes: the first relay, the control end of described first relay is connected with described control mainboard the first outfan, the outfan of described first relay is connected with described first electric heating tube, control signal for exporting according to described control mainboard the first outfan controls described first relay on-off, to control the heating of described first electric heating tube.
4. circuit according to claim 3, it is characterized in that, described second heating control circuit also includes: the second relay, the control end of described second relay is connected with described control mainboard the second outfan, the outfan of described second relay is connected with described second electric heating tube, control signal for exporting according to described control mainboard the second outfan controls described second relay on-off, to control the heating of described second electric heating tube.
5. circuit according to claim 4, it is characterised in that described first heating control circuit also includes:
First fuse, is arranged between described first relay and described first electric heating tube, for described first heating control circuit is carried out temperature protection.
6. circuit according to claim 5, it is characterised in that described first heating control circuit also includes:
First temperature limiter, is connected with described first relay, for described first heating control circuit is carried out temperature protection.
7. circuit according to claim 4, it is characterised in that described second heating control circuit also includes:
Second fuse, is arranged between described second relay and described second electric heating tube, for described second heating control circuit is carried out temperature protection.
8. circuit according to claim 7, it is characterised in that described second heating control circuit also includes:
Second temperature limiter, is connected with described second relay, for described second heating control circuit is carried out temperature protection.
9. circuit according to claim 4, it is characterised in that also include:
Three phase mains, for described first electric heating tube, described first electric heating tube and described control main board power supply.
10. circuit according to claim 9, it is characterised in that also include:
Transformator, the input of described transformator is connected with described three phase mains, and the outfan of described transformator is connected with described control mainboard, for the voltage that described three phase mains exports is converted to described control mainboard can voltage.
11. circuit according to claim 10, it is characterised in that also include:
Wave filter, the first end of described wave filter is connected with the outfan of described transformator, and the second end of described wave filter is connected with described control mainboard, for the filtering of circuit.
12. circuit according to claim 10, it is characterised in that also include:
Chopper, is arranged between described three phase mains and described transformator, for the overcurrent protection of circuit.
13. circuit according to claim 10, it is characterised in that also include:
Phase sequence relay, is arranged between described three phase mains and described control mainboard, for the phase sequence of circuit.
14. an air-conditioning method for heating and controlling, it is characterised in that including:
Obtain current environmental temperature, and temperature is set with air-conditioning compares;
Current environmental temperature lower than described air-conditioning arrange the numerical value of temperature meet first threshold scope time, control the first electric heating tube and work to be heated.
15. method according to claim 14, it is characterised in that work, after being heated, also to include at described control the first electric heating tube:
After very first time threshold value, monitor know current environmental temperature lower than air-conditioning arrange the numerical value of temperature meet Second Threshold scope time, control the second electric heating tube and work to be heated with described first electric heating tube simultaneously.
16. method according to claim 15, it is characterised in that after described control the second electric heating tube works to be heated with described first electric heating tube simultaneously, also include:
Obtain current environmental temperature every the second time threshold, and temperature is set with air-conditioning compares;
Current environmental temperature lower than described air-conditioning arrange temperature numerical value meet three threshold ranges time, control the second electric heating tube and quit work.
17. method according to claim 16, it is characterised in that after described control the second electric heating tube quits work, also include:
Obtain current environmental temperature every the 3rd time threshold, and temperature is set with air-conditioning compares;
Current environmental temperature lower than described air-conditioning arrange temperature numerical value meet four threshold ranges time, control the first electric heating tube and quit work.
CN201610109688.6A 2016-02-26 2016-02-26 air conditioner heating control circuit and control method Pending CN105674502A (en)

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Application Number Priority Date Filing Date Title
CN201610109688.6A CN105674502A (en) 2016-02-26 2016-02-26 air conditioner heating control circuit and control method

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Application Number Priority Date Filing Date Title
CN201610109688.6A CN105674502A (en) 2016-02-26 2016-02-26 air conditioner heating control circuit and control method

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CN105674502A true CN105674502A (en) 2016-06-15

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CN201610109688.6A Pending CN105674502A (en) 2016-02-26 2016-02-26 air conditioner heating control circuit and control method

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN110398049A (en) * 2019-07-26 2019-11-01 广东美的暖通设备有限公司 Air-conditioner control method, air conditioner and computer readable storage medium
CN113465148A (en) * 2021-04-29 2021-10-01 青岛海尔空调器有限总公司 Air conditioner electric auxiliary heat control method and device, electronic equipment and storage medium

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CN202077199U (en) * 2011-06-03 2011-12-14 珠海格力电器股份有限公司 Electric heater and air conditioner
CN205579863U (en) * 2016-02-26 2016-09-14 珠海格力电器股份有限公司 Air conditioner heating control circuit

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CN2888333Y (en) * 2006-04-25 2007-04-11 闫成林 Intelligent temperature control power saving device for communication apparatus room
CN201004191Y (en) * 2007-01-06 2008-01-09 珠海格力电器股份有限公司 Auxiliary heating circuit for air conditioner
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110398049A (en) * 2019-07-26 2019-11-01 广东美的暖通设备有限公司 Air-conditioner control method, air conditioner and computer readable storage medium
CN110398049B (en) * 2019-07-26 2021-03-19 广东美的暖通设备有限公司 Air conditioner control method, air conditioner and computer readable storage medium
CN113465148A (en) * 2021-04-29 2021-10-01 青岛海尔空调器有限总公司 Air conditioner electric auxiliary heat control method and device, electronic equipment and storage medium

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Application publication date: 20160615