CN107830665A - A kind of device and method for improving air-conditioning heating refrigeration - Google Patents
A kind of device and method for improving air-conditioning heating refrigeration Download PDFInfo
- Publication number
- CN107830665A CN107830665A CN201710900680.6A CN201710900680A CN107830665A CN 107830665 A CN107830665 A CN 107830665A CN 201710900680 A CN201710900680 A CN 201710900680A CN 107830665 A CN107830665 A CN 107830665A
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- Prior art keywords
- compressor
- refrigerant
- temperature
- refrigeration
- running frequency
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Classifications
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- 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
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of device and method for improving air-conditioning heating refrigeration, including evaporator, condenser, refrigeration system, electric control part, motor, sensor device, refrigeration system includes pipeline, compressor, refrigeration work consumption drive module, timer arrangement, and sensor device detects the original ambient temperature TS0, coil temperature and the delivery temperature for detecting compressor of interior；The startup time of timer arrangement record refrigeration system and circulation time t, and the length L of pipeline can be calculated, i.e. L=v × t, wherein v are the mean flow rate of refrigerant, and t is a circulation time of refrigerant；Compressor operating of the refrigeration work consumption drive module based on indoor coil pipe and outdoor temperature and/or indoor temperature driving refrigeration system；Timer arrangement is used for a circulation time for recording refrigerant.The present invention accurately controls the operation of compressor in refrigeration system according to the length of pipeline, and makes the effect of air-conditioning system or multiple on-line system more preferable.
Description
Technical field
The present invention relates to air conditioner controlling technology field, more particularly to a kind of device for improving air-conditioning heating refrigeration and side
Method, more particularly to a kind of apparatus and method for the refrigerating and heating air conditioner system for improving more indoor units.
Background technology
Air-conditioning has become a part for people's life as refrigeration or heating equipment, improves the comfortable of people's life
Property, but the refrigerant inside air-conditioning is certain, if the length of pipeline is changed in flowing, and can not be adjusted to accordingly
Driven under optimal driving efficiency, more electric energy will be expended, and preferable effect can not be reached.At present, in the market
Multi-gang air-conditioner, in cooling and warming, to prevent refrigerant bias current, new technical scheme is employed, can thus improve system
Cooling or heating effect.Technical scheme in the past be all directly by temperature sensor detection amount carry out simple process after, as
Input variable, after MCU processing, compressor operating is driven as output control amount.But this kind of adjusting method is not examined
Influence of the physical length to system of pipeline is considered, also not according to the length of pipeline come the accurate compressor for controlling refrigeration system
Run under optimal Energy Efficiency Ratio, cause efficiency in air-conditioning or multiple on-line system not high.
The temperature value that current compressor operating frequency is all based on indoor coil pipe controls as input quantity, without
The running frequency of compressor can be gone to adjust or corrected with the change of ambient temperature.Moreover, when pipeline occur change,
Influence of the physical length to system of pipeline is not accounted for, refrigeration system is not accurately controlled according to the length of pipeline yet
Run under the optimal Energy Efficiency Ratio of compressor, cause efficiency in air-conditioning or multiple on-line system not high.
The content of the invention
Part in view of the shortcomings of the prior art, it is an object of the invention to provide one kind to improve air-conditioning heating refrigeration effect
The device and method of fruit, according to indoor/outdoor temperature-difference, either outdoor temperature or indoor temperature change driving frequency so that compressing
Function is run under optimal drive curve.
The purpose of the present invention is achieved through the following technical solutions：
A kind of device for improving air-conditioning heating refrigeration, including evaporator, condenser, refrigeration system, electric control part, electricity
Machine, sensor device, the refrigeration system include pipeline, compressor, in addition to refrigeration work consumption drive module, timer arrangement,
The sensor device is used to detect the original ambient temperature TS0 of interior, coil temperature and the exhaust temperature for detecting compressor
Degree, and storing initial environment temperature TS0, coil temperature, delivery temperature；During the startup of the timer arrangement record refrigeration system
Between and circulation time t, and the length L of pipeline can be calculated, i.e. L=v × t, wherein v are the mean flow rate of refrigerant, and t is cold
The circulation time of matchmaker；The refrigeration work consumption drive module is based on indoor coil pipe and outdoor temperature and/or room
The compressor operating of interior temperature-driven refrigeration system；The timer arrangement is used for a circulation time for recording refrigerant.
In order to which the present invention is better achieved, present invention additionally comprises running frequency to revise module, and the running frequency revises mould
Root tuber drives compressor according to the length of pipe L revision running frequencies of refrigeration system.
Further technical scheme is：Present invention additionally comprises running frequency to revise module, and the running frequency revises module
Storage inside has optimal Energy Efficiency Ratio curve, and selection runs frequency to the running frequency revision module under optimal Energy Efficiency Ratio curve all the time
Rate drives compressor.
Preferably, present invention additionally comprises electric expansion valve, electric expansion valve is according to the running frequency and system of compressor
Cold adjustment DK values are modified the running frequency of compressor.
The present invention when coolant system is run, write down moment point t0 and start timing, when refrigerant reaches steaming by timer arrangement
When sending out device, the coil temperature of evaporator can decline suddenly, and timer arrangement writes down this moment point t1, t1-t0 and is equal to the one of refrigerant
The time span t of individual cyclic process.
Preferably, the timer arrangement determines time span t, i.e., moment point t0 is write down when coolant system is run and is determined
When device device start timing, and record the delivery temperature tp1 and moment ty1 of compressor, when refrigerant reaches evaporator, evaporation
The coil temperature of device can decline suddenly, and timer arrangement writes down this moment point t1, and refrigerant continues flow through pipeline and returns to compression
The air inlet of machine, records after overcompression and again delivery temperature tp2 and moment ty2 of compressor, and tp2 and tp1 has one
Difference, ty2-t0 are equal to the time span t of a cyclic process of refrigerant.
A kind of method for improving air-conditioning heating refrigeration, its method are as follows：
Step 1：Record the changing value (TZ0-TZ1) of coil temperature and/or the exhaust gas temperature change value (TS0- of compressor
TS1)；
Step 2：Timer arrangement records corresponding moment value of the refrigerant in a cycle period, and calculates refrigerant
One circulation time t；
Step 3：The length L of pipeline, i.e. L=v*t, v are the mean flow rate of refrigerant, and t is a cycle period of refrigerant；
Step 4：Module is revised by running frequency running frequency driving pressure is revised according to the length of pipe L of refrigeration system
Contracting machine.
The present invention compared with the prior art, has advantages below and beneficial effect：
The present invention calculates the physical length of pipeline, and accurately controls compressor in refrigeration system according to the length of pipeline
Operation, and make the effect of air-conditioning system or multiple on-line system more preferable, be easy to repair and maintain refrigeration system.
Embodiment
The present invention is described in further detail with reference to embodiment：
Embodiment
A kind of device for improving air-conditioning heating refrigeration, including evaporator, condenser, refrigeration system, electric control part, electricity
Machine, sensor device, the refrigeration system include pipeline, compressor, in addition to refrigeration work consumption drive module, timer arrangement,
Running frequency revision module, running frequency revision module, electric expansion valve, the sensor device are used to detect the first of interior
Beginning environment temperature TS0, coil temperature and the delivery temperature for detecting compressor, and storing initial environment temperature TS0, coil pipe temperature
Degree, delivery temperature；The startup time of the timer arrangement record refrigeration system and circulation time t, and outlet pipe can be calculated
The length L on road, i.e. L=v × t, wherein v are the mean flow rate of refrigerant, and t is a circulation time of refrigerant；Due to refrigeration
System is the system of a closed operation, and a circulation of the flowing of refrigerant needs a time course t, could gone out from compressor
Mouth returns to the entrance of compressor.Time span t=f (Z, DK, L), i.e. time span t and compressor running frequency Z, electricity
The aperture DK of sub- expansion valve, the length L of pipeline are relevant.Therefore, can by the length L of pipeline, electric expansion valve aperture DK,
Time span t adjusts the running frequency Z of compressor (i.e. the driving frequency of compressor).
The present invention can be the feature of a closing according to refrigeration system, and the present invention can be by correcting the length L of pipeline
And the running frequency of compressor is driven accordingly.Because a circulation of the flowing of refrigerant needs time course a t, Cai Nengcong
Compressor outlet, the entrance of compressor is returned to, time span t=f (Z, DK, L), i.e. time t and compressor operation frequency
Rate Z, the aperture DK of electric expansion valve, the length L of pipeline are relevant.
The refrigeration work consumption drive module is based on indoor coil pipe and outdoor temperature and/or indoor temperature driving refrigeration
The compressor operating of system；The timer arrangement is used for a circulation time for recording refrigerant.The running frequency is repaiied
Order module and running frequency driving compressor is revised according to the length of pipe L of refrigeration system.
The running frequency revision inside modules are stored with optimal Energy Efficiency Ratio curve, and the running frequency revision module is all the time
Running frequency driving compressor is selected under optimal Energy Efficiency Ratio curve.
Electric expansion valve is modified the operation of compressor according to the running frequency and refrigerating capacity of compressor adjustment DK values
Frequency.Electric expansion valve adjusts DK values according to the running frequency and refrigerating capacity of compressor, and electric expansion valve can also be according to electricity
The operating frequency Z, L of the winding temperature of machine, exhaust outlet and compressor are the total length (L is total) of pipeline after amendment, wherein operation frequency
Rate z can be modified with being run under optimum operation driving curve according to outdoor temperature.
The present invention can store a tw value, DK, Z relation table, through gathering outdoor temp after a period of time in systems
Degree, the care table stored according to outdoor temperature amendment.
The present invention can gather the temperature of initial indoor coil pipe at any time, remember when coolant system is run (during start)
Lower moment point t0 simultaneously starts timing, and when refrigerant reaches evaporator, the coil temperature of evaporator can decline (such as from room temperature 30 suddenly
Degree, drops to 15 degree), and write down this moment point t1, t1-t0 and be equal to a cyclic process of refrigerant.
The present invention can determine time span t in the following way, i.e., when being write down when coolant system is run (during start)
Punctum t0 simultaneously starts timing, and records the delivery temperature tp1 and moment ty1 of compressor, when refrigerant reaches evaporator, evaporation
The coil temperature of device can suddenly decline and (such as from 30 degree of room temperature, drop to 15 degree), and write down this moment point t1, and refrigerant continues flow through
Pipeline and the air inlet for returning to compressor, the delivery temperature tp2 and moment ty2 of compressor are recorded after overcompression and again,
Tp2 and tp1 has a difference, and first time cyclic process is easier to determine, ty2-t0 is equal to a cyclic process of refrigerant
Time span t.
A kind of method for improving air-conditioning heating refrigeration, its method are as follows：
Step 1：Record the changing value (TZ0-TZ1) of coil temperature and/or the exhaust gas temperature change value (TS0- of compressor
TS1)；
Step 2：Timer arrangement records corresponding moment value of the refrigerant in a cycle period, and calculates refrigerant
One circulation time t；Time span t=f (Z, DK, L) function, i.e. the running frequency Z of time t and compressor,
The aperture DK of electric expansion valve, the length L of pipeline are relevant.
Step 3：The length L of pipeline, i.e. L=v*t, v are the mean flow rate of refrigerant, and t is a cycle period of refrigerant；
Step 4：Module is revised by running frequency running frequency driving pressure is revised according to the length of pipe L of refrigeration system
Contracting machine.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
- A kind of 1. device for improving air-conditioning heating refrigeration, it is characterised in that：Including evaporator, condenser, refrigeration system, electricity Part, motor, sensor device are controlled, the refrigeration system includes pipeline, compressor, it is characterised in that：Also include refrigeration work consumption Drive module, the sensor device are used to detect the original ambient temperature TS0 of interior, coil temperature and detection compressor Delivery temperature, and storing initial environment temperature TS0, coil temperature, delivery temperature；The timer arrangement records refrigeration system The startup time and circulation time t, and the length L of pipeline can be calculated, i.e. L=v × t, wherein v are the mean flow of refrigerant Speed, t are a circulation time of refrigerant；The refrigeration work consumption drive module is based on indoor coil pipe and outdoor temperature And/or the compressor operating of indoor temperature driving refrigeration system.
- 2. according to a kind of device of raising air-conditioning heating refrigeration described in claim 1, it is characterised in that：Also include timing Device device, the timer arrangement are used for a circulation time for recording refrigerant.
- 3. according to a kind of device of raising air-conditioning heating refrigeration described in claim 1, it is characterised in that：Also include operation Frequency revises module, and the running frequency revision module revises running frequency driving compression according to the length of pipe L of refrigeration system Machine.
- 4. according to a kind of device of raising air-conditioning heating refrigeration described in claim 1 or 2, it is characterised in that：Also include Running frequency revises module, and the running frequency revision inside modules are stored with optimal Energy Efficiency Ratio curve, and the running frequency is repaiied Order module and select running frequency driving compressor under optimal Energy Efficiency Ratio curve all the time.
- 5. according to a kind of device of raising air-conditioning heating refrigeration described in claim 2, it is characterised in that：Also include electronics Expansion valve, electric expansion valve adjust DK values according to the running frequency and refrigerating capacity of compressor and are modified the operation of compressor frequently Rate.
- 6. according to a kind of device of raising air-conditioning heating refrigeration described in claim 2, it is characterised in that：Work as coolant system During operation, timer arrangement writes down moment point t0 and starts timing, when refrigerant reaches evaporator, the coil temperature meeting of evaporator Suddenly decline, timer arrangement writes down this moment point t1, t1-t0 and is equal to the time span t of a cyclic process of refrigerant.
- 7. according to a kind of device of raising air-conditioning heating refrigeration described in claim 2, it is characterised in that：The timer Device determines time span t, i.e., moment point t0 is write down when coolant system is run and timer arrangement starts timing, and records and pushes The delivery temperature tp1 and moment ty1 of contracting machine, when refrigerant reaches evaporator, the coil temperature of evaporator can decline suddenly, and fixed When device device write down this moment point t1, refrigerant continues flow through pipeline and returns to the air inlet of compressor, after overcompression and again Record delivery temperature tp2 and moment ty2 of compressor, tp2 and tp1 has a difference, and ty2-t0 be equal to refrigerant one follows The time span t of ring process.
- A kind of 8. method for improving air-conditioning heating refrigeration, it is characterised in that：Its method is as follows：Step 1：Record the changing value (TZ0-TZ1) of coil temperature and/or the exhaust gas temperature change value (TS0-TS1) of compressor；Step 2：Timer arrangement records corresponding moment value of the refrigerant in a cycle period, and calculates one of refrigerant Circulation time t；Step 3：The length L of pipeline, i.e. L=v*t, v are the mean flow rate of refrigerant, and t is a cycle period of refrigerant；Step 4：Module is revised by running frequency running frequency driving compressor is revised according to the length of pipe L of refrigeration system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900680.6A CN107830665A (en) | 2017-09-28 | 2017-09-28 | A kind of device and method for improving air-conditioning heating refrigeration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710900680.6A CN107830665A (en) | 2017-09-28 | 2017-09-28 | A kind of device and method for improving air-conditioning heating refrigeration |
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| CN107830665A true CN107830665A (en) | 2018-03-23 |
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| CN201710900680.6A Pending CN107830665A (en) | 2017-09-28 | 2017-09-28 | A kind of device and method for improving air-conditioning heating refrigeration |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870633A (en) * | 2018-06-28 | 2018-11-23 | 珠海格力电器股份有限公司 | control method and device of air conditioning system |
| CN110039968A (en) * | 2019-03-04 | 2019-07-23 | 青岛海尔空调器有限总公司 | The control method of car air-conditioner |
| CN110360704A (en) * | 2018-04-09 | 2019-10-22 | 珠海格力电器股份有限公司 | air conditioner connecting pipe pressure loss compensation method and device |
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Cited By (4)
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|---|---|---|---|---|
| CN110360704A (en) * | 2018-04-09 | 2019-10-22 | 珠海格力电器股份有限公司 | air conditioner connecting pipe pressure loss compensation method and device |
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| CN110039968A (en) * | 2019-03-04 | 2019-07-23 | 青岛海尔空调器有限总公司 | The control method of car air-conditioner |
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