CN101676646B - Control method of operating modes of air conditioner - Google Patents
Control method of operating modes of air conditioner Download PDFInfo
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- CN101676646B CN101676646B CN 200810198732 CN200810198732A CN101676646B CN 101676646 B CN101676646 B CN 101676646B CN 200810198732 CN200810198732 CN 200810198732 CN 200810198732 A CN200810198732 A CN 200810198732A CN 101676646 B CN101676646 B CN 101676646B
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Abstract
The invention discloses a control method of operating modes of an air conditioner, which comprises the following steps of realization: judging whether the air conditioner is under manual mode control or automatic mode control; if the air conditioner is under the manual mode control, according to a manual mode control program, judging whether a user selects an air supply mode or not; if the user selects the air supply mode, converting to a manual mode conversion searching table for correspondingly carrying out the air supply mode; if the user does not select the air supply mode, firstly, balancing the internal pressure of an air conditioning system, and then, according to a refrigeration or heating or dehumidification mode selected by the user, converting to the manual mode conversion searching table for correspondingly carrying out the refrigeration or heating or dehumidification mode; and if the air conditioner is under the automatic mode control, converting to an automatic mode control program for carrying out the automatic mode. The control method of the operating modes of the air conditioner can realize five control modes of refrigeration, heating, air supply, dehumidification at constant temperature, dehumidification at increased temperature and dehumidification at reduced temperature, and can realize the conversion of the functions under the two control methods of the manual mode and the automatic mode. In addition, under the dehumidification control mode, the automatic conversion of the three modes of constant temperature, temperature reduction and temperature increase can be realized.
Description
Technical field
The present invention relates to room air conditioner, be specifically related to the improvement to the operating modes of air conditioner control method.
Background technology
Existing room air conditioner, generally by compressor, capillary, four-way change-over valve, the parts such as outdoor heat exchanger and indoor heat exchanger form, and these three kinds of operational modes comprise refrigeration, heat and blow.Generally speaking, the operational mode of existing room air conditioner is (being that air-conditioner is to work under the manual control pattern) that the needs according to the user are set up on their own by the user, can not automatically change between above-mentioned three kinds of operational modes, for example air-conditioning is when the running refrigerating pattern, can not according to the needs of room temperature, be automatically changeb to heating mode; Same, if air-conditioning is moving heating mode, it also can't be transformed into air supply pattern etc. automatically according to the needs of room temperature.
Traditional room air conditioner heats and the mode of operation of blowing is not possess dehumidification function, only just can realize the cool-down dehumidification function when refrigerating operaton.In addition, traditional room air conditioner, the cool-down dehumidification function also is subject to the impact of environment temperature, only has environment temperature when spending greater than 16, just can realize the cool-down dehumidification function.Therefore, adopt traditional room air conditioner to be used as the dehumidifier equipment of producing tealeaves, shortcoming is quite obvious, and it not only can be subject to the impact of environment for use, nor can satisfy the needs that can dehumidify various seasons.
Summary of the invention
The present invention provides technical problem to be solved and provides a kind of operating modes of air conditioner control method, it can freeze in fact, heat, air-supply, constant temperature dehumidification, intensification dehumidifying and cool-down dehumidification control, and realizes that these several functions are changing under artificial pattern and two kinds of control modes of automatic mode.
For solving the problems of the technologies described above, the control method of this operating modes of air conditioner is: the assembly work by central control unit control air-conditioner realizes, the assembly of air-conditioner includes compressor, outdoor heat exchanger, indoor heat exchanger and be configured in compressor and outdoor, switch the cross valve of coolant path between the indoor heat exchanger, described indoor heat exchanger includes indoor First Heat Exchanger and indoor the second heat exchanger, be connected with the first magnetic valve throttle part between indoor First Heat Exchanger and the outdoor heat exchanger, be connected with the second magnetic valve throttle part between indoor First Heat Exchanger and indoor the second heat exchanger, described the first magnetic valve throttle part is formed by connecting by the first magnetic valve and first throttle Components Parallel Connection, the second magnetic valve throttle part is connected in parallel by the second magnetic valve and second section stream unit and forms
Wherein, the control method of operating modes of air conditioner may further comprise the steps:
After step 1, air-conditioner were powered on and start shooting, central control unit entered control model conversion program A, judged that air-conditioner is in artificial pattern or automatic mode control;
Step 4, according to the refrigeration of user selection, heat, constant temperature dehumidification, intensification dehumidifying or cool-down dehumidification pattern, in artificial pattern conversion query table, finding corresponding pattern, and by this pattern the air-conditioning part sent corresponding control instruction;
Step 5, execution automatic mode control subprogram B, at first central control unit is judged the current operational mode of air-conditioner, then according to described operational mode, carries out corresponding control program; If current air-conditioner is in refrigeration mode, then carry out the control program under the refrigeration mode; Otherwise execution in step 6;
If the current air-conditioner of step 6 is in heating mode, then carry out the control program under the heating mode;
If the current air-conditioner of step 7 is in dehumidification mode, then the conversion and control between the different mode under the dehumidification mode determines according to the difference of indoor temperature and design temperature, and moves according to the setting of automatic dehumidifying pattern conversion query table.
The present invention has following remarkable result compared to existing technology:
Operating modes of air conditioner control method of the present invention can realize freezing, heats, air-supply, constant temperature dehumidification, intensification dehumidifying and five kinds of control models of cool-down dehumidification control, and realizes the conversion of these several functions under artificial pattern and two kinds of control modes of automatic mode.In addition, under the Dehumidification controlling pattern, can also realize the automatic conversion between constant temperature, cooling and three kinds of patterns of intensification.
Description of drawings
Fig. 1 is the composition structural representation of air-conditioner among the present invention; Fig. 2 is control model conversion program A of the present invention; Fig. 3 automatic mode control subprogram B.
The specific embodiment
Below in conjunction with accompanying drawing and explanation the present invention as an example of concrete air-conditioner example.
The main composition parts of the air-conditioner that adopts in the control method of this operating modes of air conditioner are referring to Fig. 1, include compressor 1, outdoor heat exchanger 3, indoor heat exchanger and be configured in compressor 1 and outdoor, indoor heat exchanger between switch the cross valve 2 of coolant path.Wherein, indoor heat exchanger includes indoor First Heat Exchanger 9 and indoor the second heat exchanger 10, be connected with the first magnetic valve throttle part between indoor First Heat Exchanger 9 and the outdoor heat exchanger 3, be connected with the second magnetic valve throttle part between indoor First Heat Exchanger and indoor the second heat exchanger, described the first magnetic valve throttle part is connected in parallel with first throttle parts 6 by the first magnetic valve 5 and forms, and the second magnetic valve throttle part is connected in parallel with second section stream unit 8 by the second magnetic valve 7 and forms.Identical with existing air-conditioner, at outdoor heat exchanger 3 and other outdoor fan 4 and the indoor fan 11 of also being separately installed with of indoor heat exchanger.The parts such as compressor 1, outdoor unit heat exchanger 3, cross valve 2, the first magnetic valve 5 and first throttle parts 6 belong to outdoor machine part in the present embodiment; The parts such as the second magnetic valve 7, second section stream unit 8, indoor First Heat Exchanger 9 and indoor the second heat exchanger 10 belong to the indoor set part; Certainly, the first magnetic valve 5 and first throttle parts 6 belong to movable part, as required, can be placed in the indoor set, also can be placed in the off-premises station, can not affect the realization of operating modes of air conditioner control method of the present invention.
Certainly, the air-conditioner that adopts of the present invention also comprise central control unit, timer, in order to detect the control devices such as temperature sensor of indoor air temperature and heat exchanger surface temperature.Realize corresponding air conditioning operating mode by above-mentioned each assembly in the central control unit control air-conditioner.These belong to the known technology of those skilled in the art in this area, and therefore not to repeat here.
Shown in Fig. 2, the concrete steps that the control method of this operating modes of air conditioner realizes are:
After step 1, air-conditioner were powered on and start shooting, central control unit entered control model conversion program A, and what judge user selection is artificial pattern or automatic mode;
If artificial pattern control is then undertaken by artificial model program: after entering artificial pattern, judge at first whether the user selects to move air supply pattern, if not air supply pattern execution in step 3 then; If it is turn to artificial pattern conversion and control question blank, the corresponding air supply pattern of carrying out; The control program of air supply pattern is: compressor 1 stops, and cross valve 2 closes, and the first magnetic valve 5 closes, and the second magnetic valve 7 closes, and outdoor fan 4 closes, and indoor air quantity is by setting operation, and indoor set shows air supply pattern.
Step 4, according to the operational mode of user selection, in artificial pattern conversion query table 1, finding
Corresponding pattern, and by this pattern the air-conditioning part is sent corresponding control instruction.Wherein, the non-air supply pattern that can select of user refrigeration arranged, heat, constant temperature dehumidification, intensification dehumidifying and four kinds of control models of cool-down dehumidification.
Above-mentioned steps 1～4 is referring to the flow chart of control model conversion program A shown in Figure 2, step 2～4th, and artificial mode control method, following step 5～step 7 is the switching control methods under the automatic mode, can be referring to Fig. 3.
Step 5 is carried out automatic mode control subprogram B, and at first central control unit is judged current what operational mode that is in of air-conditioner, then according to different operational modes, carries out different control programs.If current air-conditioner is in refrigeration mode, then carry out the control program under the refrigeration mode: cross valve 2 closes, and the first magnetic valve 5 closes, and the second magnetic valve 7 is opened, outdoor fan 4 operations, and indoor air quantity is by setting operation, and indoor set shows refrigeration mode.
Certainly except above-mentioned carrying into execution a plan, also comprise the control program of the traditional room air conditioner comparative maturity under the refrigeration mode, such as overtemperature protection, cross cold protection etc., because it does not belong to this patent invention category, just no longer describe in detail.If current what moving is not refrigeration mode, then execution in step 6.
Step 6, if current air-conditioner is in heating mode, then carry out the control program under the heating mode: cross valve 2 is opened, the first magnetic valve 5 closes, and the second magnetic valve 7 is opened, outdoor fan 4 operations, indoor air quantity is by anti-cold wind mode operation, and indoor set shows heating mode.
Certainly except above-mentioned carrying into execution a plan, equally also comprise the control program of the comparative maturity under the heating mode, such as defrosting control, overtemperature protection etc. because it does not belong to this patent invention category, are also no longer described in detail.
Step 7, if current air-conditioner is in dehumidification mode, then the conversion and control between the different mode under the dehumidification mode decides according to indoor temperature and the difference of design temperature.If indoor air temperature subtracts design temperature when spending greater than 5, then automatically performing is the cool-down dehumidification pattern; If indoor air temperature subtracts design temperature when spending less than 4 greater than 0 degree, then carry out the constant temperature dehumidification pattern; If indoor air temperature subtracts design temperature less than 0 degree, then carry out the dehumidifying operation that heats up.Conversion and control under the dehumidification mode is seen automatic dehumidifying pattern conversion query table 2.
Wherein the cool-down dehumidification control program comprises: cross valve 2 closes, and the first magnetic valve 5 closes, and the second magnetic valve 7 is opened, outdoor fan 4 operations, and indoor air quantity is by setting operation, and indoor set shows the cool-down dehumidification pattern.
And the constant temperature dehumidification control program is: cross valve 2 closes, and the first magnetic valve 5 is opened, and the second magnetic valve 7 closes, outdoor fan 4 operations, and indoor air quantity is by setting operation, and indoor set shows the constant temperature dehumidification pattern.
Intensification Dehumidification controlling scheme then is: cross valve 2 closes, and the first magnetic valve 5 is opened, and the second magnetic valve 7 closes, and outdoor fan 4 closes, and indoor air quantity is by setting operation, and indoor set shows the intensification dehumidification mode.
Artificial pattern conversion query table 1
Automatic dehumidifying pattern conversion query table 2
Claims (7)
1. the control method of operating modes of air conditioner, assembly work by central control unit control air-conditioner realizes, the assembly of described air-conditioner includes compressor (1), outdoor heat exchanger (3), indoor heat exchanger and be configured in compressor and outdoor, switch the cross valve (2) of coolant path between the indoor heat exchanger, described indoor heat exchanger includes indoor First Heat Exchanger (9) and indoor the second heat exchanger (10), be connected with the first magnetic valve throttle part between indoor First Heat Exchanger (9) and the outdoor heat exchanger (3), be connected with the second magnetic valve throttle part between indoor First Heat Exchanger and indoor the second heat exchanger, described the first magnetic valve throttle part is connected in parallel by the first magnetic valve (5) and first throttle parts (6) and forms, the second magnetic valve throttle part is connected in parallel by the second magnetic valve (7) and second section stream unit (8) and forms
It is characterized in that: the control method of described operating modes of air conditioner may further comprise the steps:
After step 1, air-conditioner were powered on and start shooting, central control unit entered control model conversion program A, judged that air-conditioner is in artificial pattern or automatic mode control;
Step 2, if not artificial pattern, then be automatic mode, then turn to execution in step 5 to carry out automatic mode control subprogram B; If artificial pattern control is then undertaken by artificial model program: after entering artificial pattern, judge at first whether the user selects to move air supply pattern, if not air supply pattern execution in step 3 then; If it is according to artificial pattern conversion query table, correspondence is carried out air supply pattern;
Step 3, compressor shutdown were restarted operation after 3 minutes, and outdoor fan keeps operation;
Step 4, according to the refrigeration of user selection, heat, constant temperature dehumidification, intensification dehumidifying or cool-down dehumidification pattern, in artificial pattern conversion query table, finding corresponding pattern, and by this pattern the air-conditioning part sent corresponding control instruction;
Step 5, execution automatic mode control subprogram B, at first central control unit is judged the current operational mode of air-conditioner, then according to described operational mode, carries out corresponding control program; If current air-conditioner is in refrigeration mode, then carry out the control program under the refrigeration mode; Otherwise execution in step 6;
If the current air-conditioner of step 6 is in heating mode, then carry out the control program under the heating mode;
If the current air-conditioner of step 7 is in dehumidification mode, then the conversion and control between the different mode under the dehumidification mode determines according to the difference of indoor temperature and design temperature, and moves according to the setting of automatic dehumidifying pattern conversion query table.
2. the control method of operating modes of air conditioner according to claim 1, it is characterized in that: the control program of described refrigeration mode comprises:
Cross valve (2) closes, and the first magnetic valve (5) closes, and the second magnetic valve (7) is opened, outdoor fan (4) operation, and indoor air quantity is by setting operation, and indoor set shows refrigeration mode.
3. the control method of operating modes of air conditioner according to claim 1, it is characterized in that: the control program of described heating mode comprises:
Cross valve (2) is opened, and the first magnetic valve (5) closes, and the second magnetic valve (7) is opened, outdoor fan (4) operation, and indoor air quantity is by anti-cold wind mode operation, and indoor set shows heating mode.
4. the control method of operating modes of air conditioner according to claim 1, it is characterized in that: the control program of described air supply pattern comprises:
Compressor (1) stops, and cross valve (2) closes, and the first magnetic valve (5) closes, and the second magnetic valve (7) closes, and outdoor fan (4) closes, and indoor air quantity is by setting operation, and indoor set shows air supply pattern.
5. the control method of operating modes of air conditioner according to claim 1, it is characterized in that: the control program of described cool-down dehumidification pattern comprises: cross valve (2) closes, the first magnetic valve (5) closes, the second magnetic valve (7) is opened, outdoor fan (4) operation, indoor air quantity is by setting operation, and indoor set shows the cool-down dehumidification pattern.
6. the control method of operating modes of air conditioner according to claim 1, it is characterized in that: the control program of described constant temperature dehumidification pattern comprises: cross valve (2) closes, the first magnetic valve (5) is opened, the second magnetic valve (7) closes, outdoor fan (4) operation, indoor air quantity is by setting operation, and indoor set shows the constant temperature dehumidification pattern.
7. the control method of operating modes of air conditioner according to claim 1, it is characterized in that: the control program of described intensification dehumidification mode comprises: cross valve (2) closes, the first magnetic valve (5) is opened, the second magnetic valve (7) closes, outdoor fan (4) closes, indoor air quantity is by setting operation, and indoor set shows the intensification dehumidification mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810198732 CN101676646B (en) | 2008-09-19 | 2008-09-19 | Control method of operating modes of air conditioner |
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| CN 200810198732 CN101676646B (en) | 2008-09-19 | 2008-09-19 | Control method of operating modes of air conditioner |
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| CN101676646B true CN101676646B (en) | 2013-01-23 |
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| CN102287891B (en) * | 2011-06-16 | 2013-10-09 | 广东美的电器股份有限公司 | Direct current convertible frequency air conditioner and control method thereof |
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| CN103471182A (en) * | 2013-08-23 | 2013-12-25 | Tcl空调器(中山)有限公司 | Air conditioner and dehumidifying method thereof |
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| CN111256344B (en) * | 2018-11-30 | 2021-09-14 | 广东美的制冷设备有限公司 | Air conditioner control method and device, air conditioner and storage medium |
| CN112976986B (en) * | 2019-12-13 | 2023-01-17 | 杭州三花研究院有限公司 | Control device and control method applied to automobile thermal management system |
| CN111189105A (en) * | 2020-01-09 | 2020-05-22 | 海信（广东）空调有限公司 | Dehumidification control system of air conditioner and air conditioner |
| CN111964237B (en) * | 2020-08-24 | 2022-02-11 | 广东美的暖通设备有限公司 | Controller and air conditioner |
| CN112747436B (en) * | 2021-01-04 | 2022-06-14 | 青岛海尔空调器有限总公司 | Control method for dehumidification of air conditioner and air conditioner |
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