CN1121585C - Multi-room type air conditioner - Google Patents
Multi-room type air conditioner Download PDFInfo
- Publication number
- CN1121585C CN1121585C CN99102237A CN99102237A CN1121585C CN 1121585 C CN1121585 C CN 1121585C CN 99102237 A CN99102237 A CN 99102237A CN 99102237 A CN99102237 A CN 99102237A CN 1121585 C CN1121585 C CN 1121585C
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- CN
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- Prior art keywords
- temperature sensor
- detected temperatures
- heat
- indoor heat
- air conditioner
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/38—Failure diagnosis
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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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
Abstract
To ensure a stabilized operation by providing a control means for employing the detection temperature of other temperature sensor as the detection temperature of an abnormal temperature sensor upon occurrence of abnormality in any one temperature sensor thereby minimizing the effect of abnormality occurring in the temperature sensor for any heat exchanger. Upon occurrence of abnormality in any one temperature sensor 14, 24 for heat exchanger, detection temperature Tc of heat exchanger temperature sensor on normal side is employed, as it is, as the detection temperature Tc of an abnormal heat exchanger temperature sensor and normal control is continued. So said multichamber air condition is obtained.
Description
The present invention relates to have the multi-room air conditioner of a plurality of indoor heat converters.
Multi-room air conditioner with a plurality of indoor heat converters is installed heat-exchanger temperature sensor on its each indoor heat converter, utilize the detected temperatures of this heat-exchanger temperature sensor to hold the heat of crossing at each indoor heat converter place.And the aperture of adjusting and each indoor heat converter corresponding flow adjustment valve, so that being converged in target, crosses in the heat mistake heat.
The following control of general employing: any has taken place unusually among supposing each heat-exchanger temperature sensor, at this moment, controls and is installed with the indoor heat converter corresponding flow of this unusual temperature sensor and adjust valve, makes its valve opening be fixed on certain value.
If as mentioned above, when heat-exchanger temperature sensor takes place when unusual, the aperture of flow rate regulating valve is controlled to be certain value, then because the change of indoor temperature waits some factor, flowing to that the cold-producing medium shunting of each indoor heat converter is balanced can be destroyed.So the refrigerant flow that can cause a Room only reduces and takes place overheatedly unusually, or only the refrigerant flow of a Room increases and the unfavorable condition of liquid refluence etc. takes place.
Consider above-mentioned situation, the objective of the invention is to, provide a kind of reliability good multi-room air conditioner, even any among each heat-exchanger temperature sensor taken place unusually, this multi-room air conditioner also can be suppressed at its influence in the Min., still carries out steady running.
In addition, the present invention also aims to, a kind of multi-room air conditioner that can reduce the usage quantity of employed temperature sensors such as heat control and can reduce cost is provided.
Technical solution of the present invention 1 described multi-room air conditioner is the multi-room air conditioner that is separately installed with temperature sensor on a plurality of indoor heat converters, and it has when the control device of the detected temperatures of above-mentioned abnormal temperature sensor takes place when unusual, other the detected temperatures of temperature sensor is also used as for any among each temperature sensor.
Technical solution of the present invention 2 described multi-room air conditioners have compressor, outdoor heat converter, and to connecting a plurality of indoor heat converters and making the freeze cycle of cold-producing medium circulation and the refrigerant flow that flows into each indoor heat converter is adjusted a plurality of flow rate regulating valves of usefulness, regulate the heat of crossing of controlling each indoor heat converter by the aperture of these flow rate regulating valves, and, also have with a indoor heat converter in a plurality of indoor heat converters other indoor heat converters detect from the gas side temperature sensor of indoor heat converter effluent air refrigerant temperature and the control device of revising above-mentioned each flow rate regulating valve aperture according to the detected temperatures of this gas side temperature sensor accordingly.
Technical solution of the present invention 3 described multi-room air conditioners are on the 2nd technical scheme basis, and control device is not revised from running beginning certain hour.
Technical solution of the present invention 4 described multi-room air conditioners are on the basis of technical scheme 2, and control device is not revised when certain value is following when the operating frequency of compressor.
Technical solution of the present invention 5 described multi-room air conditioners are on the basis of technical scheme 2, each indoor heat converter is equipped with heat-exchanger temperature sensor, simultaneously, control device has following debugging functions: when the difference of the detected temperatures of each heat-exchanger temperature sensor when certain value is above, will adjust the aperture of valve to increasing the side correction with the indoor heat converter corresponding flow of the high side of detected temperatures.
Technical solution of the present invention 6 described multi-room air conditioners are on the basis of technical scheme 2, also be provided with the suction refrigerant temperature sensors of the suction refrigerant temperature that detects compressor, and control device has following debugging functions: revise the aperture of each flow rate regulating valve, the difference of the detected temperatures of the detected temperatures that sucks refrigerant temperature sensors and gas side temperature sensor is converged in the certain value.
Technical solution of the present invention 7 described multi-room air conditioners are on the basis of technical scheme 2, and control device is just revised when heat is crossed heat near target excessively.
Technical solution of the present invention 8 described multi-room air conditioners are on the basis of technical scheme 2, and the difference that also be provided with the heat-exchanger temperature sensor that is installed on each indoor heat converter, detects the detected temperatures of detected temperatures minimum among the suction refrigerant temperature sensors of suction refrigerant temperature of compressor and the detected temperatures with above-mentioned each heat-exchanger temperature sensor and above-mentioned suction refrigerant temperature sensors is controlled the control device of each flow rate regulating valve aperture as the mistake heat.
Technical solution of the present invention 9 described multi-room air conditioners are on the basis of technical scheme 2, also be provided with the suction refrigerant temperature sensors and the judging means of the suction refrigerant temperature that detects compressor, when the detected temperatures of gas side temperature sensor during than the detected temperatures of the above-mentioned suction refrigerant temperature sensors certain hour that exceeded state continuance more than the certain value, this judging means make the gas side abnormality of temperature sensors judgement.
Following with reference to description of drawings one embodiment of the invention.In the accompanying drawing:
Fig. 1 is the block diagram of the control circuit of one embodiment of the invention;
Fig. 2 is the pie graph of the freeze cycle of the foregoing description;
Fig. 3 is the flow chart of the effect of explanation the foregoing description.
In Fig. 2, A is outdoor unit, and B1, B2 are indoor units, and these units are made of following freeze cycle.
Connect outdoor heat converter 3 by cross valve on the outlet of compressor 1, connecting hydraulic fluid side pipe W on this outdoor heat converter 3.Hydraulic fluid side pipe W is divided into hydraulic fluid side pipe W1 and W2, is connecting indoor heat converter 12,22 on each hydraulic fluid side pipe.
On hydraulic fluid side pipe W1 and W2, be provided with electric expansion valve 11,21 as flow rate regulating valve.This electric expansion valve is the pulse electric valve (PMV) that its aperture changes according to the number of drive pulses of being supplied with.
On indoor heat converter 12,22, connecting gas side pipe G1, G2, on a gas side pipe G1 gas side temperature sensor 16 is being installed therein.That is, only with indoor heat converter 12,22 in an indoor heat converter outside other indoor heat converters be that indoor heat converter 12 is provided with gas side temperature sensor 16 accordingly.
Gas side pipe G1, G2 compile and are gas side pipe G, and gas side pipe G is connected with the suction inlet of compressor 1 by above-mentioned cross valve 2.On the gas side pipe G between the suction inlet of cross valve 2 and compressor 1, the suction refrigerant temperature sensors 6 of the suction refrigerant temperature Ts that detects compressor 1 is installed.
Be provided with outdoor fan 4 near outdoor heat converter 3, outdoor heat converter 3 is provided with heat-exchanger temperature sensor 5.Near indoor heat converter 12,22, be provided with indoor fan 13,23, on indoor heat converter 12,22, be separately installed with heat- exchanger temperature sensor 14,24.
Fig. 1 illustrates control circuit.
The outdoor control part 50 that on commercial ac power source 40, is connecting outdoor unit A.On this outdoor control part 50, connecting cross valve 2, outdoor fan motor 4M, heat-exchanger temperature sensor 5, electric expansion valve 11,21, gas side temperature sensor 16, inverter circuit 51 and display 60.
The voltage of 51 pairs of power supplys 40 of inverter circuit carries out rectification, and it is transformed into the voltage of the instruction correspondent frequency of outdoor control part 50 and size and with its output.This output is supplied with air compressor motor 1M as driving electric power.
Indoor units B1, B2 are respectively equipped with indoor control part 60.Connecting indoor temperature transmitter 15 (25), heat-exchanger temperature sensor 14 (24), indoor fan motor 13M (23M) and far distance controlled means (to call remote controller in the following text) 61 on this indoor control part 60.
These indoor control parts 60 are connected by the serial signal line SL of power line ACL and data transmission usefulness respectively with above-mentioned outdoor control part 50.
[1] operating condition (comprising design temperature Ts) that will be determined by remote controller 61 operation, the detected temperatures Tc of heat-exchanger temperature sensor 14 (24) etc. are by notifying the means of outdoor unit with the synchronous serial signal of supply voltage.
[2] the difference Δ T of the detected temperatures Ta of design temperature Ts that will set by remote controller 61 and indoor temperature transmitter 15 (25) (=Ts-Ta) load is measured as air-conditioning, and notifies the means of outdoor unit by serial signal with the ability (requiring output frequency value) that requires corresponding with this air-conditioning load Δ T.
[3] the detected temperatures Tc of the detected temperatures Ta of indoor temperature transmitter 15 (25) and heat-exchanger temperature sensor 14 (24) is notified the means of outdoor unit A by serial signal.
[1] returns compressor 1 according to the cold-producing medium that compressor 1 is discharged after by cross valve 2, outdoor heat converter 3, electric expansion valve 11,21, indoor heat converter 12,22 and cross valve 2, carry out the means of cooling operation (dry operating).
[2] switch cross valve 2 according to warming operation mode instruction from each indoor units, return compressor 1 after making cold-producing medium that compressor 1 discharges by cross valve 2, indoor heat converter 12,22, electric expansion valve 11,21, outdoor heat converter 3 and cross valve 2, carry out the means of warming operation.
[3] the detected temperatures Tc according to the heat-exchanger temperature sensor of being notified by each indoor units 14,24 measures the unusual of heat- exchanger temperature sensor 14,24, when any takes place when unusual among the heat- exchanger temperature sensor 14,24, the detected temperatures Tc of N/R heat-exchanger temperature sensor is also used as the control device of the detected temperatures Tc that unusual heat-exchanger temperature sensor is arranged.
[4] difference of obtaining detected temperatures Tc minimum among the detected temperatures Tc of heat- exchanger temperature sensor 14,24 and the detected temperatures Ts that sucks refrigerant temperature sensors 6 is as crossing heat SH, and the aperture of control electric expansion valve 11,21 converged the control device that target is crossed heat SHt so that be somebody's turn to do heat SH.
[5] control device that the above-mentioned aperture of crossing the electric expansion valve 11,21 under the thermal control is revised according to the detected temperatures Tg of gas side temperature sensor 16.This control device specifically has following function: when the difference Δ Tc of the detected temperatures Tc of heat- exchanger temperature sensor 14,24 when certain value is above, make the aperture of the electric expansion valve corresponding be adapted to the function that increases side with the indoor heat converter of the high side of detected temperatures Tc; Revise the aperture of electric expansion valve 11,21 so that the difference of the detected temperatures Tg of the detected temperatures Ts of suction refrigerant temperature sensors 6 and gas side temperature sensor 16 is converged in the function in the certain value; Begin the function that certain hour does not carry out above-mentioned correction from running; The function that the operating frequency of compressor 1 (output frequency of inverter circuit 51) F does not revise when certain value Fm is following; And cross the function of just revising when heat SH crosses heat SHs near target.
[6], make gas side temperature sensor 16 and be the judging means of unusual judgement as the detected temperatures Tg of gas side temperature sensor 16 during than the detected temperatures Ts that sucks refrigerant temperature sensors 6 certain hour (10 minutes) that exceeded state continuance certain value (10K) more than.
[7] when judging means has been made the unusual judgement of gas side temperature sensor 16, the means that this judgement is shown with display 60.
The effect of the following above-mentioned formation of flowchart text with reference to Fig. 3.
When (step 101) when unusual takes place for any among the heat- exchanger temperature sensor 14,24, the detected temperatures Tc of N/R normal side heat-exchanger temperature sensor intactly is also used as the detected temperatures Tc that unusual heat-exchanger temperature sensor is arranged, and continues common control (step 102).
Express the object lesson of running control down.Again, in dry Room 1 running of refrigeration, exceptionality ground is fixed on electric expansion valve the aperture state of number of drive pulses 150.
Table 1
| | | ||
| The running of sensor normal side | The running of sensor abnormality side | ||
| Refrigeration is dry | Usually control | Be fixed in 150 umber of pulses | Usually control |
| Heating | Usually control | Usually control | Usually control |
Because aforesaid sensor abnormality is protected control, so, even any has taken place unusually among the heat- exchanger temperature sensor 14,24, also its influence can be suppressed at Min., carry out steady running.Promptly, because can't be as conventional, aperture with electric expansion valve when heat-exchanger temperature sensor is unusual is fixed in certain value, so, even indoor temperature has change etc., the generation that also can as far as possible avoid the cold-producing medium of indoor heat converter 12,22 to shunt the balanced destroyed state of affairs, for example, only can avoid 1 Room refrigerant flow to tail off and produce overheatedly unusually, or only the unfavorable condition of liquid refluence etc. too much takes place in 1 Room refrigerant flow.
On the other hand, the difference of obtaining detected temperatures Tc minimum among the detected temperatures Tc of heat- exchanger temperature sensor 14,24 and the detected temperatures Ts that sucks refrigerant temperature sensors 6 is as crossing heat SH, and the aperture of control electric expansion valve 11,21, converged target and crossed heat SHt (step 103) so that be somebody's turn to do heat SH.
That is, if indivedual control electric expansion valves 11,21, then because the phase mutual interference, freeze cycle can be unstable, and cross thermal control by above-mentioned, and the operational ton of the aperture of electric expansion valve 11,21 is just equated, freeze cycle is stablized.
Beginning to count F above ("No" of step 105) under the situation of certain value Fm from the i.e. running of compressor 1 starting through the operating frequency of certain hour ("Yes" of step 104) and compressor 1, (when " absolute value of the difference of the detected temperatures Ta of indoor temperature transmitter 15,25 "+4K) is above ("Yes" of step 106), the aperture that makes the electric expansion valve corresponding with the indoor heat converter of the high side of detected temperatures Tc is to increasing side correction (step 107) at certain value when the absolute value of the difference Δ Tc of the detected temperatures Tc of heat- exchanger temperature sensor 14,24.
For example, when the detected temperatures Ta of indoor temperature transmitter 15,25 equates, when the absolute value of the difference Δ Tc of the detected temperatures Tc of heat- exchanger temperature sensor 14,24 surpasses 4K, if the detected temperatures Tc of heat-exchanger temperature sensor 14 than the detected temperatures Tc height of heat exchanger temperature sensor 24, then makes the aperture of the electric expansion valve 11 corresponding with the indoor heat converter 12 of this high side increase Δ PMVa (=10 pulse) value.When the detected temperatures Tc of heat-exchanger temperature sensor 24 is higher than the detected temperatures Tc of heat exchanger temperature sensor 14, make the aperture of the electric expansion valve 21 corresponding increase Δ PMVb (=10 pulse) value with indoor heat converter 22.
By this Correction and Control,, also can eliminate this state rapidly even be superheat state at the installation site cold-producing medium of heat- exchanger temperature sensor 14,24.
If the absolute value of crossing heat SH in setting value " 3 ", then be judged as heat SH near target cross heat SHs.At this moment, (=2K) above state ("Yes" of step 108) is then revised the aperture of electric expansion valve 11,21 so that the absolute value of its difference is converged in certain value interior (step 109) if the absolute value of the detected temperatures Ts that sucks refrigerant temperature sensors 6 and the difference of the detected temperatures Tg of gas side temperature sensor 16 is in certain value.
For example, when detected temperatures Ts is higher than detected temperatures Tg, make the aperture of electric expansion valve 11 reduce Δ PMVa (=-2 pulse) value, make the aperture of electric expansion valve 21 increase Δ PMVb (=+ 2 pulse) value.On the contrary, when detected temperatures Tg is higher than detected temperatures Ts, then make the aperture of electric expansion valve 11 increase Δ PMVa (=+ 2 pulse) value, make the aperture of electric expansion valve 21 reduce Δ PMVb (=-2 pulse) value.
By aforesaid control,, the heat SH that crosses of indoor heat converter 12,22 is become suitably even the air-conditioning load of 2 chambers is inequality.
In addition, so will cross the correction of carrying out after heat SH crosses heat SHs near target electric expansion valve, be to arrive the stable time in order to shorten freeze cycle.
Why will carry out the correction to electric expansion valve after running has begun certain hour, then be because the still unsettled cause that flows of running cold-producing medium when just having begun.
In addition, in the above-described embodiments, be that example is illustrated when being 2, but be that 3 or 4 equally also can implement when above in indoor units with indoor units.
As mentioned above if adopt the present invention, on a plurality of indoor heat converters, be installed with in the multi-room air conditioner of temperature sensor respectively, because be provided with when any takes place when unusual among each temperature sensor, the control device that other the detected temperatures of temperature sensor is also used as the detected temperatures of above-mentioned abnormal temperature sensor, so, the following good multi-room air conditioner of reliability can be provided, even any takes place when unusual this multi-room air conditioner among each heat-exchanger temperature sensor, also its influence can be suppressed at Min., carry out stable running.
In addition, if adopt the present invention, has compressor, outdoor heat converter, and to connecting a plurality of indoor heat converters and making the freeze cycle of cold-producing medium circulation and the refrigerant flow that flows into each indoor heat converter is adjusted a plurality of flow rate regulating valves of usefulness, regulate in the multi-room air conditioner of crossing heat of controlling each indoor heat converter by the aperture of these flow rate regulating valves, because also have with a indoor heat converter in a plurality of indoor heat converters other indoor heat converters detect accordingly from the gas side temperature sensor of indoor heat converter effluent air refrigerant temperature, and the control device of revising above-mentioned each flow rate regulating valve aperture according to the detected temperatures of this gas side temperature sensor, so can reduce the usage quantity of the temperature sensor of usefulness such as thermal control, therefore can provide cost low multi-room air conditioner.
Claims (9)
1. a multi-room air conditioner that is separately installed with temperature sensor on a plurality of indoor heat converters is characterized in that,
Have when the control device of the detected temperatures of above-mentioned abnormal temperature sensor takes place to be also used as when unusual, with the detected temperatures of other temperature sensor for any among each temperature sensor.
2. one kind has compressor, outdoor heat converter and to connecting a plurality of indoor heat converters and making the freeze cycle of cold-producing medium circulation and the refrigerant flow that flows into each indoor heat converter is adjusted a plurality of flow rate regulating valves of usefulness, and regulate the multi-room air conditioner of crossing heat of controlling each indoor heat converter by the aperture of these flow rate regulating valves, it is characterized in that also having:
With other indoor heat converters the indoor heat converter in described a plurality of indoor heat converters accordingly, detect gas side temperature sensor from indoor heat converter effluent air refrigerant temperature; And
Revise the control device of above-mentioned each flow rate regulating valve aperture according to the detected temperatures of this gas side temperature sensor.
3. multi-room air conditioner according to claim 2 is characterized in that,
Described control device begins certain hour from running and does not revise.
4. multi-room air conditioner according to claim 2 is characterized in that,
Described control device is not revised when certain value is following when the operating frequency of compressor.
5. multi-room air conditioner according to claim 2 is characterized in that,
Have the heat-exchanger temperature sensor that is installed on described each indoor heat converter,
Described control device has following debugging functions: when the difference of the detected temperatures of each heat-exchanger temperature sensor when certain value is above, will adjust the aperture of valve to increasing the side correction with the indoor heat converter corresponding flow of the high side of detected temperatures.
6. multi-room air conditioner according to claim 2 is characterized in that,
Also be provided with the suction refrigerant temperature sensors of the suction refrigerant temperature that detects described compressor,
Described control device has following debugging functions: revise the aperture of each flow rate regulating valve, the difference of the detected temperatures of the detected temperatures of described suction refrigerant temperature sensors and described gas side temperature sensor is converged in the certain value.
7. multi-room air conditioner according to claim 2 is characterized in that,
Described control device is just revised when heat is crossed heat near target excessively.
8. multi-room air conditioner according to claim 2 is characterized in that also being provided with:
Be installed on the heat-exchanger temperature sensor of described each indoor heat converter;
Detect the suction refrigerant temperature sensors that described compressor sucks refrigerant temperature; And
The difference of the detected temperatures of minimum detected temperatures and described suction refrigerant temperature sensors is controlled the control device of described each flow rate regulating valve aperture as crossing heat among the detected temperatures with described each heat-exchanger temperature sensor.
9. multi-room air conditioner according to claim 2 is characterized in that also being provided with,
Detect the suction refrigerant temperature sensors of the suction refrigerant temperature of described compressor; And
Judging means, when the detected temperatures of described gas side temperature sensor during than the detected temperatures of the described suction refrigerant temperature sensors certain hour that exceeded state continuance more than the certain value, this judging means make the gas side abnormality of temperature sensors judgement.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP039337/98 | 1998-02-20 | ||
| JP039337/1998 | 1998-02-20 | ||
| JP10039337A JPH11237097A (en) | 1998-02-20 | 1998-02-20 | Multiroom air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1227335A CN1227335A (en) | 1999-09-01 |
| CN1121585C true CN1121585C (en) | 2003-09-17 |
Family
ID=12550287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99102237A Expired - Fee Related CN1121585C (en) | 1998-02-20 | 1999-02-10 | Multi-room type air conditioner |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH11237097A (en) |
| KR (1) | KR100311859B1 (en) |
| CN (1) | CN1121585C (en) |
| TW (1) | TW368587B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449116A (en) * | 2017-07-21 | 2017-12-08 | 杜杰 | Base station air conditioner control system and its control method based on communication network |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3456457B2 (en) * | 1999-11-30 | 2003-10-14 | ダイキン工業株式会社 | Operation control system for multi-type air conditioner |
| KR100715999B1 (en) * | 2005-10-26 | 2007-05-09 | 삼성전자주식회사 | Multi Airconditioner and its operating Method |
| JP5381038B2 (en) * | 2008-01-18 | 2014-01-08 | 三洋電機株式会社 | COOLING SYSTEM, CONTROL DEVICE AND CONTROL PROGRAM |
| CN103791587B (en) * | 2014-01-21 | 2016-08-24 | 宁波奥克斯电气股份有限公司 | Judge the method whether the heat detector resistance of the combined air conditioners of heating mode offsets |
| CN103791596B (en) * | 2014-01-21 | 2016-08-24 | 宁波奥克斯电气股份有限公司 | Judge the method whether the heat detector resistance of the combined air conditioners of refrigeration mode offsets |
| KR101871724B1 (en) * | 2016-10-14 | 2018-07-31 | 엘지전자 주식회사 | Control method of air conditioning apparatus |
| CN108361914A (en) * | 2018-01-22 | 2018-08-03 | 青岛海尔空调器有限总公司 | Control method, control system and the air conditioner of air conditioner |
| JP6746253B1 (en) * | 2019-06-04 | 2020-08-26 | 日立ジョンソンコントロールズ空調株式会社 | Air conditioner |
| CN113432244A (en) * | 2021-07-07 | 2021-09-24 | 宁波奥克斯电气股份有限公司 | Exhaust sensor falling detection method and device and air conditioner |
-
1998
- 1998-02-20 JP JP10039337A patent/JPH11237097A/en active Pending
-
1999
- 1999-01-28 TW TW088101324A patent/TW368587B/en not_active IP Right Cessation
- 1999-02-10 CN CN99102237A patent/CN1121585C/en not_active Expired - Fee Related
- 1999-02-12 KR KR1019990004959A patent/KR100311859B1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449116A (en) * | 2017-07-21 | 2017-12-08 | 杜杰 | Base station air conditioner control system and its control method based on communication network |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19990072624A (en) | 1999-09-27 |
| JPH11237097A (en) | 1999-08-31 |
| TW368587B (en) | 1999-09-01 |
| KR100311859B1 (en) | 2001-11-02 |
| CN1227335A (en) | 1999-09-01 |
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