CN105485868A - Reset control method of indoor unit electronic expansion valve of multi-coupled air conditioner - Google Patents
Reset control method of indoor unit electronic expansion valve of multi-coupled air conditioner Download PDFInfo
- Publication number
- CN105485868A CN105485868A CN201510979800.7A CN201510979800A CN105485868A CN 105485868 A CN105485868 A CN 105485868A CN 201510979800 A CN201510979800 A CN 201510979800A CN 105485868 A CN105485868 A CN 105485868A
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- Prior art keywords
- expansion valve
- electronic expansion
- organic electronic
- steps
- reset
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Abstract
The invention discloses a reset control method of an indoor unit electronic expansion valve of a multi-coupled air conditioner. The method is characterized in that whether the indoor unit electronic expansion valve is reset or not is judged, if yes, the next step is directly carried out, and if not, the indoor unit electronic expansion valve is closed with the maximum aperture and 100 steps, 80 steps are needed for opening, 80 steps are needed for closing, the indoor unit electronic expansion valve is marked as the reset, and then the next step is carried out; and after a multi-coupled air conditioner unit receives a starting instruction, whether the indoor unit electronic expansion valve needs to be started or not is judged, if yes, the indoor unit electronic expansion valve is started and the started indoor unit electronic expansion valve is marked as the non-reset, the multi-coupled air conditioner unit runs according to the starting instruction, and after a shutdown instruction is received, the indoor electronic expansion valve is closed with the current running aperture and 100 steps, and the closed indoor unit electronic expansion valve is marked as the reset. According to the method, it can be avoided that the adjusting frequency of the indoor unit electronic expansion valve is too high, and the number of adjusting steps is too large.
Description
Technical field
The present invention relates to the control method of air-conditioner, is specifically a kind of reset control method of interior organic electronic expansion valve of multi-connected machine.
Background technology
The VRF Air Conditioning System of prior art normally mates use by an off-premises station and multiple stage indoor set, can carry out temperature adjustment to multiple room simultaneously.And multi-connected machine after powered up, need to reset to the indoor electronic expansion valve of each indoor set, make its aperture unification to 0 degree, be convenient to subsequent control.The reset control method of the interior organic electronic expansion valve of prior art is, after energising each time, owing to not knowing the concrete aperture of organic electronic expansion valve in each, therefore the unification of all interior organic electronic expansion valves is closed according to setting step number (be generally this electric expansion valve maximum opening and add 100 steps), to guarantee that electric expansion valve is in closed condition completely.
The maximum drawback of the reset control method of the interior organic electronic expansion valve of the multi-connected machine of prior art is, too much to the regulating frequency of organic electronic expansion valve in each, and each step number regulated is excessive.Such as in certain, the current aperture of organic electronic expansion valve is 0 and maximum opening is 500 steps, then also to close 600 steps again, make the needle of this interior organic electronic expansion valve and nozzle carry out the extruding of 600 times, and reset terminate after, the excessive stresses between needle and nozzle also can not get always release.Suppose that certain indoor set is not started shooting always, and user every day After Hours can by unit power-off once, and unit is energized by second day, so for organic electronic expansion valve in this indoor set, all needle and nozzle can be carried out 600 extruding every day, and the stress that extruding produces continuous accumulation can not get release always, be so easy to make this interior organic electronic expansion valve generation fault for a long time, cause cannot open or close not tight.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of reset control method avoiding the interior organic electronic expansion valve of the multi-connected machine that interior organic electronic expansion valve is too much because of regulating frequency, adjustment step number is excessive and break down.
Technical solution of the present invention is, provide a kind of reset control method of interior organic electronic expansion valve of multi-connected machine, its concrete steps are as follows:
A, indoor set to be energized, and judge that whether this indoor set is in testing results pattern, if, then the step number that interior organic electronic expansion valve adds 100 steps with maximum opening is closed, that add 100 steps with maximum opening again and open divided by the step number of 2, and this interior organic electronic expansion valve is labeled as does not reset, then to indoor set power-off; If not, then next step is entered;
In b, judgement, whether organic electronic expansion valve resets, if, then directly enter next step, if not, then the step number that interior organic electronic expansion valve adds 100 steps with maximum opening is closed, then open 80 steps, finally close 80 steps, and be labeled as by this interior organic electronic expansion valve and reset, then enter next step;
C, indoor set are standby;
After d, multi-connected machine unit receive start-up command, judge whether to open interior organic electronic expansion valve,
If not, then run multi-connected machine unit according to start-up command, close multi-connected machine unit after receiving shutdown command, interior organic electronic expansion valve is failure to actuate in multi-connected machine unit starts shooting the process of shutting down again always;
If, then open interior organic electronic expansion valve and organic electronic expansion valve in opening is labeled as and do not reset, multi-connected machine unit is run again according to start-up command, after receiving shutdown command, the step number that interior organic electronic expansion valve adds 100 steps with current operation aperture is closed, and organic electronic expansion valve in after cut out is labeled as and is resetted.
Adopt above method, the reset control method of the interior organic electronic expansion valve of multi-connected machine of the present invention compared with prior art, has the following advantages:
When 1, being energized for the first time, add the judgement to multi-connected machine test pattern, guarantee that unit is before dispatching from the factory, interior organic electronic expansion valve is in open mode, is convenient to drain clean intrasystem air with pump in subsequent installation process; 2, the deterministic process whether electric expansion valve resets is added, in ensureing, organic electronic expansion valve can not again reset after resetting, effectively reduce the frequency that interior organic electronic expansion valve repeats to reset, avoid the needle of the internal organic electronic expansion valve of each energising and more than 600 extruding of nozzle, in reducing, the fault rate of organic electronic expansion valve, extends its service life; 3, when indoor set runs and interior organic electronic expansion valve is opened, be labeled as and do not reset, like this, when being again energized after unexpected power-off, interior organic electronic expansion valve can not miss reseting procedure again; 4, when first time resets, after adding 100 steps closedowns with maximum opening, open the setting that 80 steps close 80 steps again, effectively can discharge the stress of interior organic electronic expansion valve accumulation after 600 steps extruding, avoid fault further, extend its service life; 5, after interior organic electronic expansion valve is normally opened, when needing to reset, within the current operation aperture of organic electronic expansion valve add 100 steps step number reset, the excessive infringement that valve body is caused of reset step number can be avoided like this, in the service life of organic electronic expansion valve in further prolongation, can guarantee that again valve body is closed completely.
Detailed description of the invention
The reset control method of the interior organic electronic expansion valve of multi-connected machine of the present invention, its concrete steps are as follows.
A, indoor set to be energized, and judge this indoor set whether running the test pattern before dispatching from the factory, if, then the step number that interior organic electronic expansion valve adds 100 steps with maximum opening closed, the maximum opening as interior organic electronic expansion valve is 500 steps, then close with 600 steps, that add 100 steps with maximum opening again and open divided by the step number of step number as 300 steps of 2, and this interior organic electronic expansion valve is labeled as does not reset, then to indoor set power-off, then enter next step; If not, then explanation is the energising under normal mode, directly enters next step.
In b, judgement, whether organic electronic expansion valve resets, if, then directly enter next step, if not, then the step number that interior organic electronic expansion valve adds 100 steps with maximum opening is closed, if maximum opening is that 500 steps are then closed with 600 steps, then 80 steps are opened, finally close 80 steps, and this interior organic electronic expansion valve is labeled as resets, then enter next step.
C, indoor set are standby.
After d, multi-connected machine unit receive start-up command, judge whether to open interior organic electronic expansion valve.
If not, then run multi-connected machine unit according to start-up command, close multi-connected machine unit after receiving shutdown command, interior organic electronic expansion valve is failure to actuate in multi-connected machine unit starts shooting the process of shutting down again always; And interior organic electronic expansion valve is labeled as and resets always.
If, then open interior organic electronic expansion valve and organic electronic expansion valve in opening is labeled as and do not reset, multi-connected machine unit is run again according to start-up command, after receiving shutdown command, the step number that interior organic electronic expansion valve adds 100 steps with current operation aperture is closed, organic electronic expansion valve as interior in this current operation 200 step is then closed with 300 steps, and organic electronic expansion valve in after cut out is labeled as and is resetted.
Above-mentioned internal organic electronic expansion valve carries out aperture adjustment, marks it and judge whether to reset, determine whether the processes such as test pattern, is all realized by the control panel of indoor set.
Claims (1)
1. a reset control method for the interior organic electronic expansion valve of multi-connected machine, is characterized in that: its concrete steps are as follows:
A, indoor set to be energized, and judge that whether this indoor set is in testing results pattern, if, then the step number that interior organic electronic expansion valve adds 100 steps with maximum opening is closed, that add 100 steps with maximum opening again and open divided by the step number of 2, and this interior organic electronic expansion valve is labeled as does not reset, then to indoor set power-off; If not, then next step is entered;
In b, judgement, whether organic electronic expansion valve resets, if, then directly enter next step, if not, then the step number that interior organic electronic expansion valve adds 100 steps with maximum opening is closed, then open 80 steps, finally close 80 steps, and be labeled as by this interior organic electronic expansion valve and reset, then enter next step;
C, indoor set are standby;
After d, multi-connected machine unit receive start-up command, judge whether to open interior organic electronic expansion valve,
If not, then run multi-connected machine unit according to start-up command, close multi-connected machine unit after receiving shutdown command, interior organic electronic expansion valve is failure to actuate in multi-connected machine unit starts shooting the process of shutting down again always;
If, then open interior organic electronic expansion valve and organic electronic expansion valve in opening is labeled as and do not reset, multi-connected machine unit is run again according to start-up command, after receiving shutdown command, the step number that interior organic electronic expansion valve adds 100 steps with current operation aperture is closed, and organic electronic expansion valve in after cut out is labeled as and is resetted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979800.7A CN105485868B (en) | 2015-12-23 | 2015-12-23 | The reset control method of the interior machine electric expansion valve of multi-connected machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979800.7A CN105485868B (en) | 2015-12-23 | 2015-12-23 | The reset control method of the interior machine electric expansion valve of multi-connected machine |
Publications (2)
| Publication Number | Publication Date |
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| CN105485868A true CN105485868A (en) | 2016-04-13 |
| CN105485868B CN105485868B (en) | 2018-05-22 |
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| CN201510979800.7A Active CN105485868B (en) | 2015-12-23 | 2015-12-23 | The reset control method of the interior machine electric expansion valve of multi-connected machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123413A (en) * | 2016-06-17 | 2016-11-16 | 广东美的制冷设备有限公司 | Prevent the method and device that electric expansion valve is stuck |
| CN110578983A (en) * | 2019-09-04 | 2019-12-17 | 青岛海信日立空调系统有限公司 | Control method and control device of air conditioner and air conditioner |
| CN113357746A (en) * | 2021-05-18 | 2021-09-07 | 青岛海尔空调器有限总公司 | Electronic expansion valve abnormality detection control method and device, air conditioner and storage medium |
| CN115823693A (en) * | 2022-12-21 | 2023-03-21 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioner control method and device and multi-split air conditioner |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094841B (en) * | 2019-04-15 | 2021-11-02 | 青岛海尔空调电子有限公司 | Electronic expansion valve control method for air conditioner and air conditioner |
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| CN113357746A (en) * | 2021-05-18 | 2021-09-07 | 青岛海尔空调器有限总公司 | Electronic expansion valve abnormality detection control method and device, air conditioner and storage medium |
| CN115823693A (en) * | 2022-12-21 | 2023-03-21 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioner control method and device and multi-split air conditioner |
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| CN105485868B (en) | 2018-05-22 |
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