CN109424547A - A kind of oil temperature heating tape control method and air conditioner - Google Patents

A kind of oil temperature heating tape control method and air conditioner Download PDF

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Publication number
CN109424547A
CN109424547A CN201710752347.5A CN201710752347A CN109424547A CN 109424547 A CN109424547 A CN 109424547A CN 201710752347 A CN201710752347 A CN 201710752347A CN 109424547 A CN109424547 A CN 109424547A
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China
Prior art keywords
temperature
heating tape
difference
environment temperature
preset
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Granted
Application number
CN201710752347.5A
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Chinese (zh)
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CN109424547B (en
Inventor
蒋建军
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Ningbo Aux Electric Co Ltd
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Ningbo Aux Electric Co Ltd
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Priority to CN201710752347.5A priority Critical patent/CN109424547B/en
Publication of CN109424547A publication Critical patent/CN109424547A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04Heating; Cooling; Heat insulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/28Safety arrangements; Monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Abstract

The invention discloses a kind of oil temperature heating tape control method and device, the control method includes: to detect delivery temperature Tp, outdoor environment temperature Tw, the indoor environment temperature Tn of exhaust pipe;Judge whether the difference of Tw and Tn is less than preset temperature T1, and whether the difference of Tp and Tw is less than preset temperature T2;When meeting Tw-Tn < T1 and Tp-Tw < T2, controls the oil temperature heating tape and be powered;In oil temperature heating tape is powered, Tp, Tw, Tn are continued to test;Judge whether Tw-Tn >=T3 or Tp-Tw >=T4;When meeting Tw-Tn >=T3 or Tp-Tw >=T4, then the oil temperature heating tape power-off is controlled, a regulation process is completed.It is realized by above-mentioned control method and is opened on demand, reduce the unnecessary electric energy loss of air conditioner, reduce its standby power, improve energy saving, and then extend the service life of oil temperature heating tape.

Description

A kind of oil temperature heating tape control method and air conditioner
Technical field
The present invention relates to air conditioner technical fields, are specifically related to a kind of oil temperature heating tape control method and air conditioner.
Background technique
The air conditioner of the prior art, is possible to a large amount of refrigerants occur after the compressor long period out of service to be collected at Motor spindle is compressed, when compressor start, compressor will suck large amount of liquid refrigerant and generate hydraulic compression, additionally, due to a large amount of cold Matchmaker also results in lubricating oil in compression motor spindle and is diluted, and causes compressor lubrication bad.Hydraulic compression and insufficient lubrication can all be made At compressor injury, therefore in order to avoid the refrigerant aggregation of bottom when compressor shutdown, generally all increase oil in compression motor spindle Warm heating tape.When compressor is out of service, oil temperature heating tape obtain it is electric, to compression motor spindle heat, prevent liquid refrigerants It is gathered in compression motor spindle.
Conventional oil temperature heating tape control method is as follows at present:
When compressor start, oil temperature heating tape is closed, and when compressor is closed, oil temperature heating tape is opened.
The above method has the following problems:
1, compressor has just closed and in latter section of long period, compressor temperature certain temperature higher than outdoor environment temperature When, liquid refrigerants will not be collected at compression motor spindle, and opening oil temperature heating tape at this time leads to energy waste;
2, when outdoor temperature is crossed higher than room temperature, liquid refrigerants, which can gather machine indoors, will not be collected at compressor bottom Portion, opening oil temperature heating tape at this time leads to energy waste;
3, when compressor is heated to certain temperature higher than outdoor environment temperature by oil temperature heating tape, liquid refrigerants will not be Compression motor spindle gathers, and opening oil temperature heating tape at this time leads to energy waste;
4, oil temperature heating tape service life is greatly decreased, and after air conditioner uses 2~3 years, oil temperature heating tape may fail, It is then turned on after leading to the compressor shutdown long period, the phenomenon that hydraulic compression machine and lubricating oil dilution occurs, compressor is caused to shift to an earlier date Damage.
In view of this, the present invention is specifically proposed.
Summary of the invention
The present invention provides a kind of oil temperature heating tape control methods, after closing by compressor, detect delivery temperature, outdoor Environment temperature, indoor environment problem control the unlatching of oil temperature heating tape by the difference between them, realize and open on demand, Under the premise of meeting the not hydrops requirement of compression motor spindle, reduces the unnecessary electric energy loss of air conditioner, reduce its standby function Rate improves its energy saving, and then extends the service life of oil temperature heating tape.
To achieve the above object, the invention adopts the following technical scheme:
A kind of oil temperature heating tape control method, the control method include:
S1: the delivery temperature Tp, outdoor environment temperature Tw, indoor environment temperature Tn of exhaust pipe are detected;
S2: judging whether the difference of Tw and Tn is less than preset temperature T1, and whether the difference of Tp and Tw is less than preset temperature T2, if so, S3 is thened follow the steps, if not, thening follow the steps S1;
S3: it controls the oil temperature heating tape and is powered;
S4: in oil temperature heating tape is powered, delivery temperature Tp, the outdoor environment temperature Tw, interior of exhaust pipe are continued to test Environment temperature Tn;
S5: judge whether the difference of Tw and Tn is more than or equal to the difference of preset temperature T3 or Tp and Tw and whether is greater than In preset temperature T4, if so, S6 is thened follow the steps, if not, thening follow the steps S4;
S6: the oil temperature heating tape power-off is controlled, oil temperature heating tape once electrification/power-off regulation process is completed.
Further, the preset temperature T3 is greater than preset temperature T1, and preset temperature T4 is greater than preset temperature T2.
Further, the outdoor environment temperature can be replaced with outdoor coil temperature, the indoor environment temperature It can be replaced with indoor coil pipe.
A kind of oil temperature heating tape control device, described device include:
Detection module, for detecting delivery temperature, the outdoor environment temperature, indoor environment temperature of compressor exhaust pipe;
Judgment module, for judging difference, the compressor row of the outdoor environment temperature and the indoor environment temperature The delivery temperature of tracheae and the difference of the outdoor environment temperature export judging result compared with preset temperature size;
Control module is less than preset temperature T1 for the difference when the outdoor environment temperature and the indoor environment temperature, And the delivery temperature of the compressor exhaust pipe and the difference of the outdoor environment temperature control the oil when being less than preset temperature T2 Warm heating tape is powered;When the difference of the outdoor environment temperature and the indoor environment temperature is more than or equal to preset temperature T3, or When the delivery temperature of exhaust pipe described in person and the difference of the outdoor environment temperature are more than or equal to preset temperature T4, the oil temperature is controlled Heating tape power-off;
Preferably, the preset temperature T3 is greater than preset temperature T1, and preset temperature T4 is greater than preset temperature T2.
Further, the outdoor environment temperature can be replaced with outdoor coil temperature, the indoor environment temperature It can be replaced with indoor coil pipe.
The present invention also provides a kind of air conditioner, the air conditioner includes above-mentioned control device.
Beneficial effects of the present invention:
It 1, can by certain rule by detecting delivery temperature, the outdoor environment temperature, indoor environment temperature of exhaust pipe To know when the compressor is shut down, the position of air conditioner hydrops;
2, according to the temperature of detection determine compression motor spindle there is hydrops when, in time to oil temperature heating tape be powered, will accumulate Liquid is evaporated, and avoids compression motor spindle hydrops;
3, when compressing the evaporation completion of motor spindle hydrops, oil temperature heating tape is powered off in time, it is energy saving, extend oil temperature and adds The service life in the torrid zone and the service life of compressor.
Detailed description of the invention
Fig. 1 is the flow chart of oil temperature heating tape of the present invention control method;
Fig. 2 is the structural block diagram of oil temperature heating tape of the present invention control device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor Embodiment shall fall within the protection scope of the present invention.
With reference to the accompanying drawings come describe the oil temperature heating tape control method proposed according to embodiments of the present invention, control device with And air conditioner.
Fig. 1 is the flow chart of oil temperature heating tape of the present invention control method;As shown in Figure 1, the oil temperature heating tape control method The following steps are included:
S1: the delivery temperature Tp, outdoor environment temperature Tw, indoor environment temperature Tn of exhaust pipe are detected;
S2: judging whether the difference of Tw and Tn is less than preset temperature T1, and whether the difference of Tp and Tw is less than preset temperature T2, if so, S3 is thened follow the steps, if not, thening follow the steps S1;
S3: it controls the oil temperature heating tape and is powered;
S4: in oil temperature heating tape is powered, delivery temperature Tp, the outdoor environment temperature Tw, interior of exhaust pipe are continued to test Environment temperature Tn;
S5: judge whether the difference of Tw and Tn is more than or equal to the difference of preset temperature T3 or Tp and Tw and whether is greater than In preset temperature T4, if so, S6 is thened follow the steps, if not, thening follow the steps S4;
S6: the oil temperature heating tape power-off is controlled, oil temperature heating tape once electrification/power-off regulation process is completed.
By above step it is found that when compressor is closed, and oil temperature heating tape is opened not in time, first detection compressor row The delivery temperature of tracheae, outdoor environment temperature, indoor environment temperature, when outdoor environment temperature is higher than indoor environment temperature certain value When, i.e., when the difference of outdoor environment temperature and indoor environment temperature is greater than preset temperature, liquid refrigerants will accumulate in indoor evaporator In, compression motor spindle will not be gathered in;When the delivery temperature of compressor exhaust pipe is higher than outdoor environment temperature certain value, that is, arrange When the delivery temperature of tracheae and the difference of outdoor environment temperature are greater than preset temperature, liquid refrigerants will accumulate in condenser, gas-liquid point From in the components such as device, compression motor spindle will not be gathered in;When illustrating that oil temperature heating tape is without heat treatment at this time, liquid refrigerants It will not be gathered in compression motor spindle, therefore control oil temperature heating tape and be in close state, unnecessary electric energy loss is reduced, reduce The standby power of air conditioner improves its energy saving.Only when the difference of outdoor environment temperature and indoor environment temperature is less than default temperature T1 is spent, and when the delivery temperature of compressor exhaust pipe and the difference of outdoor environment temperature are less than preset temperature T2, liquid refrigerants starts It is gathered in compression motor spindle, to prevent liquid refrigerants to be gathered in compression motor spindle, therefore controls oil temperature heating tape and be powered.Oil temperature After heating tape is powered, delivery temperature, the outdoor environment temperature, indoor environment temperature of exhaust pipe are continued to test, when outdoor environment temperature When degree and the difference of indoor environment temperature are more than or equal to preset temperature T3 or the delivery temperature and outdoor environment temperature of exhaust pipe it When difference is more than or equal to preset temperature T4, then the oil temperature heating tape power-off is controlled, oil temperature heating tape once electrification/power-off tune is completed Control process, the liquid refrigerants for compressing motor spindle at this time all evaporate completely.Add it can be seen that realizing oil temperature by the above method It is tropical in due course power on/off, under the premise of guaranteeing to compress motor spindle not hydrops, reduce the unnecessary electric energy damage of air conditioner Consumption, reduces its standby power, improves its energy saving, solve problem of the prior art.
It should be noted that preset temperature T1 can be 3-10 DEG C, preset temperature T2 is 10-20 DEG C, and preset temperature T3 can Think 5-10 DEG C, preset temperature T4 is 15-25 DEG C.Specifically, preset temperature T1 is 3 DEG C, preset temperature T2 is 10 DEG C, presets temperature Spending T3 is 5 DEG C, and preset temperature T4 is 20 DEG C, detects delivery temperature Tp, the outdoor environment temperature Tw, indoor environment temperature of exhaust pipe Tn, when Tw-Tn < 3 DEG C, and when Tp-Tw < 10 DEG C, control oil temperature heating tape is powered, and begins to warm up.Oil temperature heating tape galvanization In, when meeting Tw-Tn >=5 DEG C or Tp-Tw >=20 DEG C, the power-off of control oil temperature heating tape stops heating, completes oil temperature heating tape Once electrification/power-off regulation process.The above process after completing once electrification/power-off regulation process, can continue to examine with circulating repetition Survey detection exhaust pipe delivery temperature Tp, outdoor environment temperature Tw, indoor environment temperature Tn, carry out oil temperature heating tape energization/ Power down process.
Preferably, T3-T1=2-8 DEG C, T4-T2=4-10 DEG C, reasonably the galvanization of oil temperature heating tape, avoids compressing Motor spindle hydrops.
In practical applications, there are many concrete types that can be used for reflecting outdoor environment temperature, indoor environment temperature, such as Outdoor environment temperature outdoor coil temperature, indoor environment temperature are substituted with indoor coil pipe.
Based on the same inventive concept, a kind of oil temperature heating tape control device and its air-conditioning are additionally provided in the embodiment of the present invention Device, as described in the following examples.Since the principle that oil temperature heating tape control device solves the problems, such as is similar to its control method, because The implementation of this oil temperature heating tape control device may refer to the implementation of oil temperature heating tape control method, and overlaps will not be repeated. Used below, the combination of the software and/or hardware of predetermined function may be implemented in term " unit " or " module ".Although with Device described in lower embodiment is preferably realized with software, but the combined realization of hardware or software and hardware It may and be contemplated.Fig. 2 is the structural block diagram of oil temperature heating tape of the present invention control device, as shown in Fig. 2, the control Device includes: detection module 1, judgment module 2, control module 3.
Detection module 1, for detecting delivery temperature, the outdoor environment temperature, indoor environment temperature of compressor exhaust pipe;
Judgment module 2, for judging difference, the compressor row of the outdoor environment temperature and the indoor environment temperature The delivery temperature of tracheae and the difference of the outdoor environment temperature export judging result compared with preset temperature size;
Control module 3 is less than preset temperature T1 for the difference when the outdoor environment temperature and the indoor environment temperature, And the delivery temperature of the compressor exhaust pipe and the difference of the outdoor environment temperature control the oil when being less than preset temperature T2 Warm heating tape is powered;When the difference of the outdoor environment temperature and the indoor environment temperature is more than or equal to preset temperature T3, or When the delivery temperature of exhaust pipe described in person and the difference of the outdoor environment temperature are more than or equal to preset temperature T4, the oil temperature is controlled Heating tape power-off;
Specifically, preset temperature T1 is 3 DEG C, preset temperature T2 is 10 DEG C, and preset temperature T3 is 5 DEG C, and preset temperature T4 is 20 DEG C, delivery temperature Tp, outdoor environment temperature Tw, the indoor environment temperature Tn of exhaust pipe are detected by detection module 1 first;Pass through Judgment module 2 calculates and judges whether the difference of Tw and Tn is less than preset temperature T1, and whether the difference of Tp and Tw is less than default temperature Spend T2.If it is, sending a control signal to control module 3, control module 3 controls the oil temperature heating tape and is powered;Oil temperature adds In tropical galvanization, detection module 1 continues to test the delivery temperature Tp, outdoor environment temperature Tw, indoor environment temperature of exhaust pipe Tn is spent, calculates and judge whether the difference of Tw and Tn is more than or equal to the difference of preset temperature T3 or Tp and Tw by judgment module 2 Whether preset temperature T4 is more than or equal to.If meeting one of above-mentioned condition, control module 3 is sent a control signal to, controls mould Block 3 controls the oil temperature heating tape power-off;In air-conditioning use process repeatedly, the power on/off of oil temperature heating tape is completed Process, to realize the protection to compressor.
The embodiments of the present invention also provide a kind of air conditioners comprising the control device of above-mentioned oil temperature heating tape.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirits and principles of the present invention, made Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of oil temperature heating tape control method, it is characterised in that: the control method includes:
S1: delivery temperature Tp, outdoor environment temperature Tw, the indoor environment temperature Tn of exhaust pipe are detected respectively;
S2: judging whether the difference of Tw and Tn is less than preset temperature T1, and whether the difference of Tp and Tw is less than preset temperature T2, such as Fruit is to then follow the steps S3, if not, thening follow the steps S1;
S3: it controls the oil temperature heating tape and is powered;
S4: in oil temperature heating tape is powered, delivery temperature Tp, the outdoor environment temperature Tw, indoor environment of exhaust pipe are continued to test Temperature Tn;
S5: judge the difference of Tw and Tn whether be more than or equal to preset temperature T3 or Tp and Tw difference whether be more than or equal to it is pre- If temperature T4, if so, S6 is thened follow the steps, if not, thening follow the steps S4;
S6: the oil temperature heating tape power-off is controlled, oil temperature heating tape once electrification/power-off regulation process is completed.
2. control method according to claim 1, it is characterised in that: the preset temperature T3 is greater than preset temperature T1, in advance If temperature T4 is greater than preset temperature T2.
3. regulation method according to claim 1, it is characterised in that: the outdoor environment temperature outdoor coil temperature It replaces, the indoor environment temperature replaces with indoor coil pipe.
4. a kind of oil temperature heating tape control device, it is characterised in that: described device includes:
Detection module (1), for detecting delivery temperature, the outdoor environment temperature, indoor environment temperature of compressor exhaust pipe;
Judgment module (2), for judging the difference of the outdoor environment temperature and the indoor environment temperature, the compressor air-discharging The delivery temperature of pipe and the difference of the outdoor environment temperature export judging result compared with preset temperature size;
Control module (3) is less than preset temperature T1 for the difference when the outdoor environment temperature and the indoor environment temperature, and When the delivery temperature of the compressor exhaust pipe and the difference of the outdoor environment temperature are less than preset temperature T2, the oil temperature is controlled Heating tape is powered;When the difference of the outdoor environment temperature and the indoor environment temperature is more than or equal to preset temperature T3, or When the delivery temperature of the exhaust pipe and the difference of the outdoor environment temperature are more than or equal to preset temperature T4, control the oil temperature and add Torrid zone power-off.
5. a kind of oil temperature heating tape control device according to claim 4, it is characterised in that: the preset temperature T3 is greater than pre- If temperature T1, preset temperature T4 is greater than preset temperature T2.
6. a kind of oil temperature heating tape control device according to claim 4, it is characterised in that: the outdoor environment temperature can To be replaced with outdoor coil temperature, the indoor environment temperature can be replaced with indoor coil pipe.
7. a kind of air conditioner, it is characterised in that: the air conditioner includes such as the described in any item control dresses of claim 4-6 It sets.
CN201710752347.5A 2017-08-28 2017-08-28 A kind of oil temperature heating tape control method and air conditioner Active CN109424547B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110219794A (en) * 2019-06-28 2019-09-10 广东志高暖通设备股份有限公司 A kind of crankcase heating tape control method of compressor
CN110440412A (en) * 2019-08-14 2019-11-12 宁波奥克斯电气股份有限公司 A kind of control method, control system and the air conditioner of compressor heat tape
CN114322371A (en) * 2021-12-30 2022-04-12 苏州英维克温控技术有限公司 Electric heating device control method and system
WO2022267777A1 (en) * 2021-06-22 2022-12-29 青岛海尔空调器有限总公司 Method and device for preheating heat preservation cotton of air conditioner, air conditioner, and air conditioning system
WO2023178870A1 (en) * 2022-03-24 2023-09-28 广东美的制冷设备有限公司 Air conditioning system, control device and method therefor, and computer storage medium

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CN202056969U (en) * 2011-04-06 2011-11-30 广东机电职业技术学院 Air conditioner structure capable of improving low-temperature heating performance
CN105570987A (en) * 2015-12-31 2016-05-11 广东美的制冷设备有限公司 Air conditioning system and oil blockage treatment method and treatment device of air conditioning system
CN107024046A (en) * 2017-03-27 2017-08-08 广东美的制冷设备有限公司 A kind of air-conditioner control method and air conditioner

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CN101749223A (en) * 2009-10-31 2010-06-23 宁波奥克斯电气有限公司 Method for controlling temperature of lubricating oil of compressor with low pressure chamber
CN202056969U (en) * 2011-04-06 2011-11-30 广东机电职业技术学院 Air conditioner structure capable of improving low-temperature heating performance
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Publication number Priority date Publication date Assignee Title
CN110219794A (en) * 2019-06-28 2019-09-10 广东志高暖通设备股份有限公司 A kind of crankcase heating tape control method of compressor
CN110440412A (en) * 2019-08-14 2019-11-12 宁波奥克斯电气股份有限公司 A kind of control method, control system and the air conditioner of compressor heat tape
CN110440412B (en) * 2019-08-14 2022-01-25 宁波奥克斯电气股份有限公司 Control method and control system for electric heating belt of compressor and air conditioner
WO2022267777A1 (en) * 2021-06-22 2022-12-29 青岛海尔空调器有限总公司 Method and device for preheating heat preservation cotton of air conditioner, air conditioner, and air conditioning system
CN114322371A (en) * 2021-12-30 2022-04-12 苏州英维克温控技术有限公司 Electric heating device control method and system
WO2023178870A1 (en) * 2022-03-24 2023-09-28 广东美的制冷设备有限公司 Air conditioning system, control device and method therefor, and computer storage medium

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