CN105222640A - The control method that the upper and lower blower fan of a kind of heat exchanger confirms automatically and control system - Google Patents
The control method that the upper and lower blower fan of a kind of heat exchanger confirms automatically and control system Download PDFInfo
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- CN105222640A CN105222640A CN201510737094.5A CN201510737094A CN105222640A CN 105222640 A CN105222640 A CN 105222640A CN 201510737094 A CN201510737094 A CN 201510737094A CN 105222640 A CN105222640 A CN 105222640A
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Abstract
The present invention relates to the control method that the upper and lower blower fan of a kind of heat exchanger confirms automatically, comprise S11, the temperature of outdoor heat exchanger reaches predetermined temperature; S12, the first blower fan runs with Y1, opens compressor, after B minute, record T31; S13, the temperature of outdoor heat exchanger reaches predetermined temperature; S14, the second blower fan Y2 runs, and opens compressor, after B minute, record T32; S15, if | T31-T32| < △ T3, performs S16; Otherwise, perform S18; S16, indoor fan rotating speed does not reach the most high-grade, then indoor fan rotating speed improves one grade, performs 17; S17, B increase b minute, return S11; S18, determines the upper-lower position of first and second blower fan according to the magnitude relationship between T31 and T32.Do not distinguish upper and lower blower fan when mounted, random installation, machine is first tried out two blower fans before running, then locates up and down, then confirms the position of blower fan.
Description
Technical field
The present invention relates to air-conditioning manufacturing technology field, particularly the control method that automatically confirms of the upper and lower blower fan of a kind of heat exchanger and control system.
Background technology
The heat exchanger of a lot of air-conditioning is very large at present, there are two or more fans, need the position distinguishing each fan of upper, middle and lower when mounted, and correspondence is received on circuit board and is controlled, because blower fan is all identical, so easily mistake when wiring, cause during control and go wrong, originally fan was driven, but fan under actual being opened; At present by leaning on artificial identification to the differentiation of terminal, remove plug in blower fan terminal.
Summary of the invention
The invention provides control method and control system that the upper and lower blower fan of a kind of heat exchanger confirms automatically, need the technical problem of artificial identification to solve multiple fans of heat exchanger on existing air-conditioner.
In order to solve the problems of the technologies described above, the invention provides the control method that the upper and lower blower fan of a kind of heat exchanger confirms automatically, comprising the following steps:
Step S11, runs the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches predetermined temperature, described first blower fan and described second blower fan out of service;
Step S12, according to the blower fan Type Control of described first blower fan, the first blower fan runs with the first rotating speed Y1, and open compressor and holding chamber inner blower rotating speed is zero, described compressor operating Preset Time is after B minute simultaneously, the temperature T31 of recording room external heat exchanger, compressor is out of service;
Step S13, runs the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches described predetermined temperature, described first blower fan and described second blower fan out of service;
Step S14, according to the blower fan Type Control of described second blower fan, the second blower fan runs with the second rotating speed Y2, and open compressor and holding chamber inner blower rotating speed is zero, described compressor operating Preset Time is after B minute simultaneously, the temperature T32 of recording room external heat exchanger, compressor is out of service;
Step S15, judges whether | T31-T32| < △ T3, if so, performs step S16; Otherwise, when | during T31-T32| >=△ T3, perform step S18; Wherein, the unit of △ T3=a2 × T4+b2, △ T3, T31, T32 and T4 is DEG C, and a2 is between 0.5 to 2, and b2 is between 5 to 15, and the unit of b2 is DEG C, and T4 is current environmental temperature;
Step S16, judges whether described indoor fan rotating speed reaches the most high-grade, if so, performs step 17; Otherwise described indoor fan rotating speed improves one grade, perform step 17;
Step S17, described Preset Time B increases b minute, returns step S11;
Step S18, determines the overlying relation of described first blower fan and described second blower fan according to the magnitude relationship between T31 and T32.
The invention has the beneficial effects as follows: by opening compressor and single blower fan, the temperature T31 of heat exchanger and the heat exchange temperature T32 after opening the second blower fan after detecting unlatching first blower fan respectively, magnitude relationship relatively between T31 and T32, judges the upper-lower position of the first blower fan and the second blower fan; Like this, need not distinguish upper and lower blower fan when mounted, random installation, machine is first tried out two blower fans before running, then locates up and down, confirms the position of blower fan after positioning confirmation again; Thus the terminal of two blower fans can be kept identical, with the machine transplanting of rice, and fan operation mistake can not be caused.
Further, the step that described in step S12, the first blower fan runs with the first rotating speed Y1 according to the blower fan Type Control of described first blower fan specifically comprises:
When the blower fan type of described first blower fan is constant speed blower fan, as T4 < 20 DEG C, Y1 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y1 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y1 is blower fan height windscreen rotating speed;
When the blower fan type of described first blower fan is frequency conversion fan, Y1=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min.
The beneficial effect of above-mentioned further scheme is adopted to be: the rotating speed that different blower fan type selecting is different controls, the accuracy that when improve the first fan operation, heat exchange temperature is measured.
Further, described in step S14, according to the blower fan Type Control of described second blower fan, the second blower fan specifically comprises with the second rotating speed Y2 operating procedure:
When the blower fan type of described second blower fan is constant speed blower fan, as T4 < 20 DEG C, Y2 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y2 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y2 is blower fan height windscreen rotating speed; T4 is current environmental temperature;
When the blower fan type of described second blower fan is frequency conversion fan; Y2=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min.
The beneficial effect of above-mentioned further scheme is adopted to be: the rotating speed that different blower fan type selecting is different controls, the accuracy that when improve the second fan operation, heat exchange temperature is measured.
Further, described step S18 specifically comprises:
As T31 > T32, described first blower fan is fan, and described second blower fan is lower blower fan;
As T31≤T32, described first blower fan is lower blower fan, and described second blower fan is fan.
The beneficial effect of above-mentioned further scheme is adopted to be: by comparing the size of T31 and T32, to judge the position of upper and lower blower fan, reaching the object of automatic decision.
Further, described Preset Time B is 3 to 30 minutes.
The beneficial effect of above-mentioned further scheme is adopted to be: to set different Preset Times according to the different conditions of product, improve the efficiency of test.
Further, described b is 1 to 5 minute.
The beneficial effect of above-mentioned further scheme is adopted to be: to lengthen different running times according to the different conditions of product, improve the efficiency of test.
Further, before step S11, also comprise step S10, judge whether whether blower fan location confirmation program starts, if so, then perform step S11; Otherwise normally start.
The beneficial effect of above-mentioned further scheme is adopted to be: before startup blower fan location confirmation program, first to judge whether to start, improve the reliability of control program.
The present invention also provides a kind of heat exchanger control system that upper and lower blower fan confirms automatically, comprises the first fan operation module, the first temperature collect module, the second fan operation module, the second temperature collect module, the first judge module, the second judge module, Preset Time control module and blower fan location confirmation module;
Described first fan operation module, for running the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches predetermined temperature, described first blower fan and described second blower fan out of service;
Described first temperature collect module, run with the first rotating speed Y1 for the first blower fan according to the blower fan Type Control of described first blower fan, open compressor and holding chamber inner blower rotating speed is zero simultaneously, described compressor operating Preset Time is after B minute, the temperature T31 of recording room external heat exchanger, compressor is out of service;
Described second fan operation module, for running the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches described predetermined temperature, described first blower fan and described second blower fan out of service;
Described second temperature collect module, run with the second rotating speed Y2 for the second blower fan according to the blower fan Type Control of described second blower fan, open compressor and holding chamber inner blower rotating speed is zero simultaneously, described compressor operating Preset Time is after B minute, the temperature T32 of recording room external heat exchanger, compressor is out of service;
Described first judge module, for judging whether | T31-T32| < △ T3, if so, calls described second judge module; Otherwise, when | during T31-T32| >=△ T3, call described blower fan location confirmation module; Wherein, the unit of △ T3=a2 × T4+b2, △ T3, T31, T32 and T4 is DEG C, and a2 is between 0.5 to 2, and b2 is between 5 to 15, and the unit of b2 is DEG C, and T4 is current environmental temperature;
Described second judge module, for judging whether described indoor fan rotating speed reaches the most high-grade, if so, calls described Preset Time control module; Otherwise described indoor fan rotating speed improves one grade; Call described Preset Time control module;
Described Preset Time control module, increases b minute for described Preset Time B, calls described first fan operation module;
Described blower fan location confirmation module, determines the overlying relation of described first blower fan and described second blower fan according to the magnitude relationship between T31 and T32.
The beneficial effect of control system of the present invention is: by the first temperature collect module and the second temperature collect module, the temperature T31 of heat exchanger and the heat exchange temperature T32 after opening the second blower fan after detecting unlatching first blower fan; And compare the magnitude relationship between T31 and T32 by first time comparison module, the upper-lower position of the first blower fan and the second blower fan is judged finally by blower fan location confirmation module; Do not distinguish upper and lower blower fan during installation, random installation, machine is first tried out two blower fans before running, then locates up and down, confirms the position of blower fan after positioning confirmation again; Thus the terminal of two blower fans can be kept identical, with the machine transplanting of rice, and fan operation mistake can not be caused.
Further, described first temperature collect module comprises the first constant speed fan control module and the first frequency conversion fan control module,
Described first constant speed fan control module, when the blower fan type for described first blower fan is constant speed blower fan, as T4 < 20 DEG C, Y1 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y1 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y1 is blower fan height windscreen rotating speed;
Described first frequency conversion fan control module, when the blower fan type for described first blower fan is frequency conversion fan; Y1=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min;
Described second temperature collect module comprises the second constant speed fan control module and the second frequency conversion fan control module;
Described second constant speed fan control module, for when the blower fan type of described second blower fan is constant speed blower fan, as T4 < 20 DEG C, Y2 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y2 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y2 is blower fan height windscreen rotating speed; T4 is current environmental temperature;
Described second frequency conversion fan control module, for when the blower fan type of described second blower fan is frequency conversion fan, Y2=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min.
Adopt the beneficial effect of above-mentioned further scheme to be: by different blower fan type control modules, to control the different rotating speeds of blower fan, improve the first blower fan and the second blower fan capable time the heat exchange temperature accuracy measured.
Further, described control system also comprises program and starts judge module, and described program starts judge module, for judging whether whether blower fan location confirmation program starts, if so, calls described first fan operation module; Otherwise normally start.
The beneficial effect of above-mentioned further scheme is adopted to be: before system starts blower fan location confirmation program, first to be started the judgement of judge module by program, improve the reliability of control program.
Accompanying drawing explanation
Fig. 1 is the control flow chart of control method of the present invention,
Fig. 2 is the structured flowchart of the present invention's control system,
Fig. 3 is the example structure figure of control system of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
100, program starts judge module, 110, first fan operation module, 120, first temperature collect module, 121, first constant speed fan control module, 122, first frequency conversion fan control module, 130, second fan operation module, 140, second temperature collect module, 141, second constant speed fan control module, 142, second frequency conversion fan control module 150, first judge module, 160, second judge module, 170, Preset Time control module, 180, blower fan location confirmation module, 1, compressor, 2, gas-liquid separator, 3, indoor fan, 4, throttle part, 5, heat exchange temperature sensor, 6, heat exchanger, 7, first blower fan, 8, second blower fan
Detailed description of the invention
Below in conjunction with drawings and embodiments, the present invention is further illustrated.
The control flow chart of control method of the present invention is see Fig. 1, and the control method that the upper and lower blower fan of a kind of heat exchanger confirms automatically, comprises the following steps:
Step S11, runs the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches predetermined temperature, the first blower fan and the second blower fan out of service;
Step S12, blower fan Type Control first blower fan according to the first blower fan runs with the first rotating speed Y1, and open compressor and holding chamber inner blower rotating speed is zero, compressor operating Preset Time is after B minute simultaneously, the temperature T31 of recording room external heat exchanger, compressor is out of service;
Step S13, runs the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches predetermined temperature, the first blower fan and the second blower fan out of service;
Step S14, blower fan Type Control second blower fan according to the second blower fan runs with the second rotating speed Y2, and open compressor and holding chamber inner blower rotating speed is zero, compressor operating Preset Time is after B minute simultaneously, the temperature T32 of recording room external heat exchanger, compressor is out of service;
Step S15, judges whether | T31-T32| < △ T3, if so, performs step S16; Otherwise, when | during T31-T32| >=△ T3, perform step S18; Wherein, the unit of △ T3=a2 × T4+b2, △ T3, T31, T32 and T4 is DEG C, and a2 is between 0.5 to 2, and b2 is between 5 to 15, and the unit of b2 is DEG C, and T4 is current environmental temperature;
Step S16, judges whether indoor fan rotating speed reaches the most high-grade, if so, performs step 17; Otherwise indoor fan rotating speed improves one grade, perform step 17;
Step S17, Preset Time B increase b minute, return step S11;
Step S18, determines the overlying relation of the first blower fan and the second blower fan according to the magnitude relationship between T31 and T32;
As T31 > T32, the first blower fan is fan, and the second blower fan is lower blower fan;
As T31≤T32, the first blower fan is lower blower fan, and the second blower fan is fan.
The step run with the first rotating speed Y1 according to blower fan Type Control first blower fan of the first blower fan in step S12 specifically comprises:
When the blower fan type of the first blower fan is constant speed blower fan, as T4 < 20 DEG C, Y1 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y1 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y1 is blower fan height windscreen rotating speed;
When the blower fan type of the first blower fan is frequency conversion fan, Y1=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min.
Specifically comprise with the second rotating speed Y2 operating procedure according to blower fan Type Control second blower fan of the second blower fan in step S14:
When the blower fan type of the second blower fan is constant speed blower fan, as T4 < 20 DEG C, Y2 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y2 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y2 is blower fan height windscreen rotating speed; T4 is current environmental temperature;
When second blower fan is frequency conversion fan; Y2=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min.
By opening compressor and single blower fan, after detecting unlatching first blower fan respectively, the temperature T31 of heat exchanger and the heat exchange temperature T32 after opening the second blower fan, compares the magnitude relationship between T31 and T32, judges the upper-lower position of the first blower fan and the second blower fan; Like this, do not distinguish upper and lower blower fan when mounted, random installation, machine is first tried out two blower fans before running, then locates up and down, confirms the position of blower fan after positioning confirmation again; Thus the terminal of two blower fans can be kept identical, with the machine transplanting of rice, and fan operation mistake can not be caused.
The structured flowchart of control system of the present invention is see Fig. 2, the control system that the upper and lower blower fan of a kind of heat exchanger confirms automatically, comprise program and start judge module 100, first fan operation module 110, first temperature collect module 120, second fan operation module 130, second temperature collect module 140, first judge module 150, second judge module 160, Preset Time control module 170 and blower fan location confirmation module 180;
Program starts judge module 100, for judging whether whether blower fan location confirmation program starts, if so, calls the first fan operation module 110; Otherwise normally start.
First fan operation module 110, for running the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches predetermined temperature, the first blower fan and the second blower fan out of service;
First temperature collect module 120, run with the first rotating speed Y1 for blower fan Type Control first blower fan according to the first blower fan, open compressor and holding chamber inner blower rotating speed is zero, compressor operating Preset Time is after B minute simultaneously, the temperature T31 of recording room external heat exchanger, compressor is out of service;
First temperature collect module 120 comprises the first constant speed fan control module 121 and the first frequency conversion fan control module 122,
First constant speed fan control module 121, when the blower fan type for the first blower fan is constant speed blower fan, as T4 < 20 DEG C, Y1 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y1 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y1 is blower fan height windscreen rotating speed;
First frequency conversion fan control module 122, when the blower fan type for the first blower fan is frequency conversion fan; Y1=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min;
Second fan operation module 130, for running the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches predetermined temperature, the first blower fan and the second blower fan out of service;
Second temperature collect module 140, run with the second rotating speed Y2 for blower fan Type Control second blower fan according to the second blower fan, open compressor and holding chamber inner blower rotating speed is zero, compressor operating Preset Time is after B minute simultaneously, the temperature T32 of recording room external heat exchanger, compressor is out of service;
Second temperature collect module 140 comprises the second constant speed fan control module 141 and the second frequency conversion fan control module 142;
Second constant speed fan control module 141, for when the blower fan type of the second blower fan is constant speed blower fan, as T4 < 20 DEG C, Y2 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y2 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y2 is blower fan height windscreen rotating speed; T4 is current environmental temperature;
Second frequency conversion fan control module 142, for when the second blower fan is frequency conversion fan, Y2=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min;
First judge module 150, for judging whether | T31-T32| < △ T3, if so, calls the second judge module 160; Otherwise, when | during T31-T32| >=△ T3, call blower fan location confirmation module 180; Wherein, the unit of △ T3=a2 × T4+b2, △ T3, T31, T32 and T4 is DEG C, and a2 is between 0.5 to 2, and b2 is between 5 to 15, and the unit of b2 is DEG C, and T4 is current environmental temperature;
Second judge module 160, for judging whether indoor fan rotating speed reaches the most high-grade, if so, calls Preset Time control module 170; Otherwise indoor fan rotating speed improves one grade; Call Preset Time control module 170;
Preset Time control module 170, increases b minute for Preset Time B, calls the first fan operation module 110;
Blower fan location confirmation module 180, determines the overlying relation of the first blower fan and the second blower fan according to the magnitude relationship between T31 and T32.
By the first temperature collect module and the second temperature collect module, the temperature T31 of heat exchanger and the heat exchange temperature T32 after opening the second blower fan after detecting unlatching first blower fan; And compare the magnitude relationship between T31 and T32 by first time comparison module, the upper-lower position of the first blower fan and the second blower fan is judged finally by blower fan location confirmation module; Do not distinguish upper and lower blower fan during installation, random installation, machine is first tried out two blower fans before running, then locates up and down, confirms the position of blower fan after positioning confirmation again; Thus the terminal of two blower fans can be kept identical, with the machine transplanting of rice, and fan operation mistake can not be caused.
In embodiments of the invention, the control system that the upper and lower blower fan of heat exchanger confirms automatically, comprise compressor 1, gas-liquid separator 2, indoor fan 3, throttle part 4, heat exchange temperature sensor 5, heat exchanger 6, first blower fan 7 and the second blower fan 8, heat exchange temperature sensor 5 is arranged on the bottom position of heat exchanger 6 (also can be arranged on the top of heat exchanger 6), in the present embodiment, current environmental temperature T4 is 20 degree, and a2 is 0.5, b2 be 5, a1 be 7, b1 be 300, b is 3 minutes, and Preset Time B is 5 minutes, machine powers on, judge that blower fan position is unconfirmed, need to start blower fan location determination program, first blower fan, second blower fan is all with highest wind velocity 750 revs/min operation, run to outdoor heat exchange actuator temperature and environment temperature close, | T3-T4|≤3 (also can be got between other values 1 ~ 5, when then heat exchange temperature T3 is between 17 ~ 23 DEG C, first blower fan, second fan parking), then the first blower fan and the second blower fan is shut down, open compressor and open the first blower fan simultaneously, first fan operation rotating speed is 400 revs/min, indoor fan is shutdown, the rotating speed of indoor fan is zero, run after 5 minutes, record T31 value is 30 DEG C, stop compressor, the first blower fan, open first, second blower fan more all with maximum speed 750 revs/min operation, run to always | T3-T4|≤3 DEG C, stop first, second blower fan, then compressor, the second blower fan is opened, second fan operation rotating speed is 400 revs/min, the rotating speed of indoor fan is zero, run 5 minutes, record T32 value is 39 DEG C, | T31-T32|=|30-39|=9 < 15 (15=0.5*20+5, △ T3=0.5*20+5=15) which is fan thus can not differentiate the first fan and the second fan, which is lower blower fan, continue to repeat to open first, second blower fan to make | T3-T4|≤3 DEG C, then blowing-out machine, drive compressor, the first blower fan, indoor set increase by one grade of rotating speed as low wind shelves, running time, lengthening was 8 minutes, rear record T31=35 DEG C, stops compressor, the first blower fan, indoor fan, open first, second blower fan to make | T3-T4|≤3 DEG C, stop the one the second blower fans, drive compressor, the second blower fan, indoor set open low wind shelves, run 8 minutes, record T32=52 DEG C, stop compressor, the second blower fan, indoor fan calculating, | T31-T32|=|35-52|=17 > 15, can judge the position of upper and lower blower fan, T32 > T31, then can show that the first blower fan is near by evaporator temperature sensor position, the first blower fan below, is lower blower fan, second blower fan is distant from evaporator temperature sensor, is fan,
In describing the invention, it will be appreciated that, term " " center ", " length ", " width ", " on ", D score, " vertically ", " level ", " top ", " end ", the orientation of the instruction such as " interior " or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Automatically the control method confirmed the upper and lower blower fan of a kind of heat exchanger of the present invention above and control system are described in detail, and apply specific case herein and set forth principle of the present invention and embodiment.The explanation of above embodiment just understands core concept of the present invention for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. the control method that automatically confirms of the upper and lower blower fan of heat exchanger, is characterized in that, comprise the following steps:
Step S11, runs the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches predetermined temperature, described first blower fan and described second blower fan out of service;
Step S12, according to the blower fan Type Control of described first blower fan, the first blower fan runs with the first rotating speed Y1, and open compressor and holding chamber inner blower rotating speed is zero, described compressor operating Preset Time is after B minute simultaneously, the temperature T31 of recording room external heat exchanger, compressor is out of service;
Step S13, runs the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches described predetermined temperature, described first blower fan and described second blower fan out of service;
Step S14, according to the blower fan Type Control of described second blower fan, the second blower fan runs with the second rotating speed Y2, and open compressor and holding chamber inner blower rotating speed is zero, described compressor operating Preset Time is after B minute simultaneously, the temperature T32 of recording room external heat exchanger, compressor is out of service;
Step S15, judges whether | T31-T32| < △ T3, if so, performs step S16; Otherwise, when | during T31-T32| >=△ T3, perform step S18; Wherein, the unit of △ T3=a2 × T4+b2, △ T3, T31, T32 and T4 is DEG C, and a2 is between 0.5 to 2, and b2 is between 5 to 15, and the unit of b2 is DEG C, and T4 is current environmental temperature;
Step S16, judges whether described indoor fan rotating speed reaches the most high-grade, if so, performs step 17; Otherwise described indoor fan rotating speed improves one grade, perform step 17;
Step S17, described Preset Time B increases b minute, returns step S11;
Step S18, determines the overlying relation of described first blower fan and described second blower fan according to the magnitude relationship between T31 and T32.
2. the control method that automatically confirms of the upper and lower blower fan of heat exchanger according to claim 1, it is characterized in that, the step that described in step S12, the first blower fan runs with the first rotating speed Y1 according to the blower fan Type Control of described first blower fan specifically comprises:
When the blower fan type of described first blower fan is constant speed blower fan, as T4 < 20 DEG C, Y1 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y1 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y1 is blower fan height windscreen rotating speed;
When the blower fan type of described first blower fan is frequency conversion fan, Y1=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min.
3. the control method that automatically confirms of the upper and lower blower fan of heat exchanger according to claim 1, it is characterized in that, described in described step S14, according to the blower fan Type Control of described second blower fan, the second blower fan specifically comprises with the second rotating speed Y2 operating procedure:
When the blower fan type of described second blower fan is constant speed blower fan, as T4 < 20 DEG C, Y2 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y2 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y2 is blower fan height windscreen rotating speed; T4 is current environmental temperature;
When the blower fan type of described second blower fan is frequency conversion fan; Y2=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min.
4. the control method that the upper and lower blower fan of heat exchanger according to the arbitrary claim of claims 1 to 3 confirms automatically, it is characterized in that, described step S18 specifically comprises:
As T31 > T32, described first blower fan is fan, and described second blower fan is lower blower fan;
As T31≤T32, described first blower fan is lower blower fan, and described second blower fan is fan.
5. the control method that the upper and lower blower fan of heat exchanger according to the arbitrary claim of claims 1 to 3 confirms automatically, it is characterized in that, described Preset Time B is 3 to 30 minutes.
6. the control method that the upper and lower blower fan of heat exchanger according to the arbitrary claim of claims 1 to 3 confirms automatically, it is characterized in that, described b is 1 to 5 minute.
7. the control method that the upper and lower blower fan of heat exchanger according to the arbitrary claim of claims 1 to 3 confirms automatically, it is characterized in that, before step S11, also comprise step S10, judge whether whether blower fan location confirmation program starts, if so, then step S11 is performed; Otherwise normally start.
8. the control system adopting the upper and lower blower fan of heat exchanger of the arbitrary described control method of claim 1-7 automatically to confirm, it is characterized in that, comprise the first fan operation module, the first temperature collect module, the second fan operation module, the second temperature collect module, the first judge module, the second judge module, Preset Time control module and blower fan location confirmation module;
Described first fan operation module, for running the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches predetermined temperature, described first blower fan and described second blower fan out of service;
Described first temperature collect module, run with the first rotating speed Y1 for the first blower fan according to the blower fan Type Control of described first blower fan, open compressor and holding chamber inner blower rotating speed is zero simultaneously, described compressor operating Preset Time is after B minute, the temperature T31 of recording room external heat exchanger, compressor is out of service;
Described second fan operation module, for running the first blower fan and the second blower fan, when the temperature of outdoor heat exchanger reaches described predetermined temperature, described first blower fan and described second blower fan out of service;
Described second temperature collect module, run with the second rotating speed Y2 for the second blower fan according to the blower fan Type Control of described second blower fan, open compressor and holding chamber inner blower rotating speed is zero simultaneously, described compressor operating Preset Time is after B minute, the temperature T32 of recording room external heat exchanger, compressor is out of service;
Described first judge module, for judging whether | T31-T32| < △ T3, if so, calls described second judge module; Otherwise, when | during T31-T32| >=△ T3, call described blower fan location confirmation module; Wherein, the unit of △ T3=a2 × T4+b2, △ T3, T31, T32 and T4 is DEG C, and a2 is between 0.5 to 2, and b2 is between 5 to 15, and the unit of b2 is DEG C, and T4 is current environmental temperature;
Described second judge module, for judging whether described indoor fan rotating speed reaches the most high-grade, if so, calls described Preset Time control module; Otherwise described indoor fan rotating speed improves one grade; Call described Preset Time control module;
Described Preset Time control module, increases b minute for described Preset Time B, calls described first fan operation module;
Described blower fan location confirmation module, determines the overlying relation of described first blower fan and described second blower fan according to the magnitude relationship between T31 and T32.
9. the control system that automatically confirms of the upper and lower blower fan of heat exchanger according to claim 8, it is characterized in that, described first temperature collect module comprises the first constant speed fan control module and the first frequency conversion fan control module,
Described first constant speed fan control module, when the blower fan type for described first blower fan is constant speed blower fan, as T4 < 20 DEG C, Y1 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y1 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y1 is blower fan height windscreen rotating speed;
Described first frequency conversion fan control module, when the blower fan type for described first blower fan is frequency conversion fan; Y1=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min,
Described second temperature collect module comprises the second constant speed fan control module and the second frequency conversion fan control module,
Described second constant speed fan control module, for when the blower fan type of described second blower fan is constant speed blower fan, as T4 < 20 DEG C, Y2 is the low windscreen rotating speed of blower fan; As 20 DEG C≤T4 < 30 DEG C, Y2 is windscreen rotating speed in blower fan; When T4 >=30 DEG C, Y2 is blower fan height windscreen rotating speed; T4 is current environmental temperature;
Described second frequency conversion fan control module, for when described second blower fan is frequency conversion fan, Y2=a1 × T4+b1, a1 are between 5 to 15, and the unit of a1 is rev/min DEG C, and b1 is between 100 to 500, and the unit of b1 is rev/min.
10. the control system that automatically confirms of the upper and lower blower fan of heat exchanger according to claim 8 or claim 9, it is characterized in that, described control system also comprises program and starts judge module, described program starts judge module, for judging whether whether blower fan location confirmation program starts, if so, described first fan operation module is called; Otherwise normally start.
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| CN108826609A (en) * | 2018-09-05 | 2018-11-16 | 宁波奥克斯电气股份有限公司 | Aerator supervision method and air conditioner |
| CN110159562A (en) * | 2018-12-29 | 2019-08-23 | 沈阳鼓风机集团自动控制系统工程有限公司 | A kind of air cooling blower fan control method and device |
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