CN110440490A - Gas-supplying enthalpy-increasing control method, storage medium and the control equipment of enthalpy-increasing compressor - Google Patents
Gas-supplying enthalpy-increasing control method, storage medium and the control equipment of enthalpy-increasing compressor Download PDFInfo
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- CN110440490A CN110440490A CN201810410785.8A CN201810410785A CN110440490A CN 110440490 A CN110440490 A CN 110440490A CN 201810410785 A CN201810410785 A CN 201810410785A CN 110440490 A CN110440490 A CN 110440490A
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- tonifying
- enthalpy
- superheat
- degree
- increasing
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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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
- F25B49/022—Compressor control arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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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 present invention discloses Gas-supplying enthalpy-increasing control method, storage medium and the control equipment of a kind of enthalpy-increasing compressor, wherein the method includes the steps: when tonifying Qi electric expansion valve need to be opened, controls the tonifying Qi electric expansion valve and open；After tonifying Qi electric expansion valve unlatching, the discharge superheat of enthalpy-increasing compressor is obtained, and first time adjustment is carried out according to aperture of the discharge superheat of the enthalpy-increasing compressor to tonifying Qi electric expansion valve；After the completion of adjusting first time, the tonifying Qi degree of superheat of enthalpy-increasing compressor is obtained, and according to the tonifying Qi degree of superheat of the enthalpy-increasing compressor, second is carried out to the aperture of the tonifying Qi electric expansion valve and is adjusted.The present invention solves the problems, such as that the Gas-supplying enthalpy-increasing control of enthalpy-increasing compressor in the prior art is unreasonable, influences compressor service life.
Description
Technical field
The present invention relates to the Gas-supplying enthalpy-increasing control methods of air-conditioning technical field more particularly to a kind of enthalpy-increasing compressor, storage
Medium and control equipment.
Background technique
With society, enhancing of the government to environmental protection consciousness, heat pump air conditioner has gradually replaced traditional boiler heating, and
In view of heat pump air conditioner usually uses at relatively low ambient temperatures, in order to improve the reliability of heat pump air conditioner, the prior art
It is to guarantee systems stay efficient operation using the control method of Gas-supplying enthalpy-increasing.But in existing Gas-supplying enthalpy-increasing control method,
It is to be calculated according to tonifying Qi temperature and superfeed pressure, is needed when acquiring superfeed pressure using the pressure sensor of cost costly, it is real
It is not high with property；And the tonifying Qi degree of superheat is only considered in existing method, the discharge superheat of compressor itself is not considered,
Air compensation, which increases, is easy to make lubricating oil temperature in compressor chamber relatively low, reduces lubricating oil flow, finally makes compressor lubrication not
It is good, influence compressor service life.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of Gas-supplying enthalpy-increasing controls of enthalpy-increasing compressor
Method, storage medium and control equipment processed, it is intended to which the Gas-supplying enthalpy-increasing for solving enthalpy-increasing compressor in the prior art controls unreasonable, shadow
The problem of ringing compressor service life.
Technical scheme is as follows:
A kind of Gas-supplying enthalpy-increasing control method of enthalpy-increasing compressor, which is characterized in that comprising steps of
When tonifying Qi electric expansion valve need to be opened, controls the tonifying Qi electric expansion valve and open；
After tonifying Qi electric expansion valve unlatching, the discharge superheat of enthalpy-increasing compressor is obtained, and compress according to the increasing enthalpy
The discharge superheat of machine carries out first time adjustment to the aperture of tonifying Qi electric expansion valve；
After the completion of adjusting first time, the tonifying Qi degree of superheat of enthalpy-increasing compressor is obtained, and according to the tonifying Qi of the enthalpy-increasing compressor
The degree of superheat carries out second to the aperture of the tonifying Qi electric expansion valve and adjusts.
The Gas-supplying enthalpy-increasing control method of the enthalpy-increasing compressor, wherein the step obtains the exhaust of enthalpy-increasing compressor
The degree of superheat, comprising:
Judge that current enthalpy-increasing compressor is in heating or refrigerating state；
If being in heating state, the delivery temperature of enthalpy-increasing compressor and the inner coil pipe temperature of enthalpy-increasing compressor are acquired, it will be described
Discharge superheat of the difference of delivery temperature and inner coil pipe temperature as the enthalpy-increasing compressor；
If be in refrigerating state, acquire enthalpy-increasing compressor delivery temperature and outer machine coil temperature, by the delivery temperature with
Discharge superheat of the difference of outer machine coil temperature as the enthalpy-increasing compressor.
The Gas-supplying enthalpy-increasing control method of the enthalpy-increasing compressor, wherein the step is according to the enthalpy-increasing compressor
Discharge superheat carries out first time adjustment to the aperture of tonifying Qi electric expansion valve, comprising:
Judge whether the discharge superheat is greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value；
If discharge superheat is greater than or equal to highest discharge superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve increases；
If discharge superheat is less than or equal to minimum discharge superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve reduces；
If discharge superheat is greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value, enters second and adjust
The step of reorganizing and bringing up gas electric expansion valve to full strength.
The Gas-supplying enthalpy-increasing control method of the enthalpy-increasing compressor, wherein the step obtains the tonifying Qi of enthalpy-increasing compressor
The degree of superheat, comprising:
The temperature of increasing enthalpy tracheae and the temperature of increasing enthalpy liquid pipe are acquired, by the temperature of the temperature of the increasing enthalpy tracheae and increasing enthalpy liquid pipe
The tonifying Qi degree of superheat of the difference as the enthalpy-increasing compressor.
The Gas-supplying enthalpy-increasing control method of the enthalpy-increasing compressor, wherein the step is according to the enthalpy-increasing compressor
The tonifying Qi degree of superheat carries out second to the aperture of the tonifying Qi electric expansion valve and adjusts, comprising:
Judge whether the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value；
If the tonifying Qi degree of superheat is greater than or equal to highest tonifying Qi degree of superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve increases；
If the tonifying Qi degree of superheat is less than or equal to minimum tonifying Qi degree of superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve reduces；
If the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value, tonifying Qi electronics is controlled
The aperture of expansion valve is constant.
A kind of storage medium is stored thereon with a plurality of instruction, wherein described instruction is suitble to be loaded by processor and executed such as
Lower step:
When tonifying Qi electric expansion valve need to be opened, controls the tonifying Qi electric expansion valve and open；
After tonifying Qi electric expansion valve unlatching, the discharge superheat of enthalpy-increasing compressor is obtained, and compress according to the increasing enthalpy
The discharge superheat of machine carries out first time adjustment to the aperture of tonifying Qi electric expansion valve；
After the completion of adjusting first time, the tonifying Qi degree of superheat of enthalpy-increasing compressor is obtained, and according to the tonifying Qi of the enthalpy-increasing compressor
The degree of superheat carries out second to the aperture of the tonifying Qi electric expansion valve and adjusts.
The storage medium, wherein described instruction is suitble to be loaded by processor and specifically executes following steps:
Judge that current enthalpy-increasing compressor is in heating or refrigerating state；
If being in heating state, the delivery temperature of enthalpy-increasing compressor and the inner coil pipe temperature of enthalpy-increasing compressor are acquired, it will be described
Discharge superheat of the difference of delivery temperature and inner coil pipe temperature as the enthalpy-increasing compressor；
If be in refrigerating state, acquire enthalpy-increasing compressor delivery temperature and outer machine coil temperature, by the delivery temperature with
Discharge superheat of the difference of outer machine coil temperature as the enthalpy-increasing compressor.
The storage medium, wherein described instruction is suitble to be loaded by processor and specifically executes following steps:
Judge whether the discharge superheat is greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value；
If discharge superheat is greater than or equal to highest discharge superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve increases；
If discharge superheat is less than or equal to minimum discharge superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve reduces；
If discharge superheat is greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value, enters second and adjust
The step of reorganizing and bringing up gas electric expansion valve to full strength.
The storage medium, wherein described instruction is suitble to be loaded by processor and specifically executes following steps:
Judge whether the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value；
If the tonifying Qi degree of superheat is greater than or equal to highest tonifying Qi degree of superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve increases；
If the tonifying Qi degree of superheat is less than or equal to minimum tonifying Qi degree of superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve reduces；
If the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value, tonifying Qi electronics is controlled
The aperture of expansion valve is constant.
A kind of Gas-supplying enthalpy-increasing control equipment of enthalpy-increasing compressor, wherein include:
Tonifying Qi electric expansion valve is arranged between fluid reservoir and compressor；
Processor is adapted for carrying out each instruction；And
Storage medium, is suitable for storing a plurality of instruction, and the described instruction is suitble to be loaded by processor and execute increasing as described above
The Gas-supplying enthalpy-increasing control method of enthalpy compressor.
The utility model has the advantages that the present invention is by the way that in heat pump air conditioner operational process, first adjustment tonifying Qi electric expansion valve makes for the first time
Discharge superheat is kept in the reasonable scope, is then carried out second to tonifying Qi electric expansion valve again and is adjusted, makes the benefit of compressor
The gas degree of superheat is adjusted to reasonable range, can sufficiently be balanced discharge superheat and the tonifying Qi degree of superheat, be can be avoided tonifying Qi
Amount keeps lubricating oil temperature in compressor chamber lasting relatively low, and reduction lubricating oil flow finally makes compressor lubrication bad, influences to press
The problem of contracting machine service life.
Detailed description of the invention
Fig. 1 is the flow chart of the Gas-supplying enthalpy-increasing control method preferred embodiment of enthalpy-increasing compressor of the present invention.
Specific embodiment
The present invention provides Gas-supplying enthalpy-increasing control method, storage medium and the control equipment of a kind of enthalpy-increasing compressor, to make this
The purpose of invention, technical solution and effect are clearer, define, and the present invention is described in more detail below.It should be appreciated that this
Locate described specific embodiment to be only used to explain the present invention, be not intended to limit the present invention.
A kind of Gas-supplying enthalpy-increasing control method of enthalpy-increasing compressor, as shown in Figure 1, comprising the following steps:
S1, when tonifying Qi electric expansion valve need to be opened, control the tonifying Qi electric expansion valve and open；
S2, the tonifying Qi electric expansion valve unlatching after, obtain the discharge superheat of enthalpy-increasing compressor, and according to the increasing enthalpy pressure
The discharge superheat of contracting machine carries out first time adjustment to the aperture of tonifying Qi electric expansion valve；
S3, first time adjust after the completion of, obtain the tonifying Qi degree of superheat of enthalpy-increasing compressor, and according to the benefit of the enthalpy-increasing compressor
The gas degree of superheat carries out second to the aperture of the tonifying Qi electric expansion valve and adjusts.
Because when carrying out increasing enthalpy tonifying Qi to compressor in the prior art, not using the discharge superheat of compressor as adjustment
Index, and the present invention opens tonifying Qi electric expansion valve and carries out tonifying Qi when compressor needs tonifying Qi, then passes through first time in real time
The aperture of adjustment tonifying Qi electric expansion valve is maintained at the discharge superheat in system within the scope of preset discharge superheat, then leads to
The aperture for crossing further second of adjustment tonifying Qi electric expansion valve makes the tonifying Qi degree of superheat maintain preset tonifying Qi degree of superheat model
In enclosing, so as to continue lubricating oil temperature in compressor chamber by reasonably adjusting increasing enthalpy air compensation, while avoiding tonifying Qi excessively
The relatively low problem for keeping lubricating oil flow impacted achievees the purpose that protect compressor reliability service.
In the step S1, when needing increasing enthalpy tonifying Qi, controller controls tonifying Qi electric expansion valve and opens, the tonifying Qi electricity
Sub- expansion valve is arranged in for placing between the fluid reservoir of gaseous coolant and enthalpy-increasing compressor, opens tonifying Qi electric expansion valve
Discharging the gas coolant being stored in fluid reservoir is compressor Gas-supplying enthalpy-increasing.
When tonifying Qi electric expansion valve is opened in control, chronologically it is stepped up aperture to tonifying Qi electric expansion valve and opens completely
It opens, the unlatching of three-stage program specifically can be used, such as tonifying Qi electric expansion valve is first opened into first in first time period and is opened
Degree, is then opened into the second aperture for tonifying Qi electric expansion valve in second time period, then by tonifying Qi electricity within the third period
Sub- expansion valve is opened into third aperture, and the third aperture is greater than the second aperture and is greater than the first aperture, to allow compressor can
Gradually adapt to load pressure, will not because of valve from closing to opening so that compressor load increases suddenly leads to compressor horsepower sharply
The problem of improving, and then influencing compressor operation stability and reliability.
In the step S2, after opening tonifying Qi electric expansion valve, the discharge superheat of enthalpy-increasing compressor is obtained in real time, and
It is adjusted according to aperture of the discharge superheat to tonifying Qi electric expansion valve, discharge superheat is enable to fall into preset be vented
In heating range, namely complete to carry out for the first time the aperture of tonifying Qi electric expansion valve according to the discharge superheat of enthalpy-increasing compressor
The process of adjustment.
Specifically, in the step S2, need to judge that current enthalpy-increasing compressor is in heating or refrigerating state to obtain
The actual exhaust air degree of superheat of compressor；If being in heating state, the delivery temperature and enthalpy-increasing compressor of enthalpy-increasing compressor are acquired
Inner coil pipe temperature, using the difference of the delivery temperature and inner coil pipe temperature as the discharge superheat of the enthalpy-increasing compressor；
If be in refrigerating state, acquire enthalpy-increasing compressor delivery temperature and outer machine coil temperature, by the delivery temperature and outer machine
Discharge superheat of the difference of coil temperature as the enthalpy-increasing compressor.As can be seen that the side of above-mentioned acquisition discharge superheat
It is the meter by temperature under the refrigeration work mode either in summer or under the heating operating mode in winter in case
It calculates to obtain the discharge superheat of compressor, without utilizing any pressure data, can also save more high using cost
Expensive pressure sensor, practicability are higher.
In the step S2, the step is according to the discharge superheat of the enthalpy-increasing compressor to tonifying Qi electric expansion valve
Aperture carries out first time adjustment, specifically includes:
S21, judge whether the discharge superheat is greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value,
It is to enter step S3, otherwise enters S22；
S22, judge whether discharge superheat is greater than or equal to highest discharge superheat threshold value, be to control tonifying Qi electric expansion valve
The default step number amplitude of aperture increase, the aperture for otherwise controlling tonifying Qi electric expansion valve reduces.
In above-mentioned steps S21, it was vented if judging that discharge superheat is greater than minimum discharge superheat threshold value and is less than highest
Discharge superheat is in reasonable range at this time for heat degree threshold, i.e. surface, thus can enter the tonifying Qi degree of superheat and adjust, that is, passes through
The subtle aperture for adjusting tonifying Qi electric expansion valve is within the scope of the preset tonifying Qi degree of superheat to control the tonifying Qi degree of superheat.
In the step S22, determine whether discharge superheat is greater than or equal to highest discharge superheat threshold value, then shows to mend
Unsaturated vapor is to control the default step number amplitude Bp of aperture increase of tonifying Qi electric expansion valve to then proceed to sentence to increase air compensation
Whether disconnected discharge superheat is within the scope of preset discharge superheat, is greater than minimum discharge superheat threshold value and small until meeting
In highest discharge superheat threshold value；If discharge superheat is not greater than or equal to highest discharge superheat threshold value, because front is
Discharge superheat is eliminated greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value, then shows tonifying Qi
Amount, the aperture for needing to control tonifying Qi electric expansion valve reduce default step number amplitude Bp, then proceed to whether judge discharge superheat
Within the scope of preset discharge superheat, it is greater than minimum discharge superheat threshold value until meeting and is less than highest discharge superheat
Threshold value.
In the step S3, the temperature by the temperature and increasing enthalpy liquid pipe that acquire increasing enthalpy tracheae is needed, by the increasing enthalpy gas
The tonifying Qi degree of superheat of the difference of the temperature of the temperature and increasing enthalpy liquid pipe of pipe as the enthalpy-increasing compressor, to obtain increasing enthalpy compression
The tonifying Qi degree of superheat of machine.
Specifically, in the step S3, the step is according to the tonifying Qi degree of superheat of the enthalpy-increasing compressor, to the tonifying Qi
The aperture of electric expansion valve carries out second and adjusts, comprising:
S31, judge whether the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value,
It is to enter step S33, otherwise enters step S32；
S32, judge whether the tonifying Qi degree of superheat is greater than or equal to highest tonifying Qi degree of superheat threshold value, be to control tonifying Qi electric expansion valve
Aperture increase, otherwise control tonifying Qi electric expansion valve aperture reduce；
S33, the aperture for controlling tonifying Qi electric expansion valve are constant.
In the step S31, if judging, the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest
Tonifying Qi degree of superheat threshold value then illustrates that the current tonifying Qi degree of superheat is within the scope of the preset tonifying Qi degree of superheat, without to tonifying Qi electronics
The aperture of expansion valve is adjusted, thus enters step S33, and the aperture for controlling tonifying Qi electric expansion valve is constant, if judging institute
It states the tonifying Qi degree of superheat to be unsatisfactory for being greater than minimum tonifying Qi degree of superheat threshold value and be less than the adjusting of highest tonifying Qi degree of superheat threshold value, then illustrates
Tonifying Qi is excessive or insufficient, and the aperture for wanting tonifying Qi electric expansion valve is needed to be adjusted, thus enters step S32.
In the step S32, judge whether discharge superheat is greater than or equal to highest discharge superheat threshold value, then shows to mend
Unsaturated vapor, the then default step number amplitude Bs of aperture increase for controlling tonifying Qi electric expansion valve then proceed to judge to increase air compensation
Whether the tonifying Qi degree of superheat is within the scope of the preset tonifying Qi degree of superheat, is greater than minimum tonifying Qi degree of superheat threshold value until meeting and is less than
Highest tonifying Qi degree of superheat threshold value；If the tonifying Qi degree of superheat is not greater than or equal to highest tonifying Qi degree of superheat threshold value, because front has been arranged
In addition to the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value, then show tonifying Qi excess,
The aperture for needing to control tonifying Qi electric expansion valve reduces default step number amplitude Bs, then proceedes to judge whether discharge superheat is in
Within the scope of the preset tonifying Qi degree of superheat, it is greater than minimum tonifying Qi degree of superheat threshold value until meeting and is less than highest tonifying Qi degree of superheat threshold
Value, is then return in step S2, because the air compensation after fine tuning may not be able to meet discharge superheat and be in preset
Within the scope of discharge superheat, thus also need to continue to adjust the aperture of tonifying Qi electric expansion valve, until meeting at discharge superheat
In within the scope of preset discharge superheat and the tonifying Qi degree of superheat is within the scope of the preset tonifying Qi degree of superheat.
The present invention is able to maintain the air compensation for increasing enthalpy always by the above method keeps compressor steady at one
In the zone of reasonableness of operation, discharge superheat and the tonifying Qi degree of superheat are sufficiently balanced, can be avoided tonifying Qi excessively makes compressor chamber
Interior lubricating oil temperature is lasting relatively low, reduces lubricating oil flow, finally makes compressor lubrication bad, influence compressor service life
The problem of.
Based on the above method, the present invention also provides a kind of storage mediums, are stored thereon with a plurality of instruction, wherein described
Instruction is suitble to be loaded by processor and execute following steps:
When tonifying Qi electric expansion valve need to be opened, controls the tonifying Qi electric expansion valve and open；
After tonifying Qi electric expansion valve unlatching, the discharge superheat of enthalpy-increasing compressor is obtained, and compress according to the increasing enthalpy
The discharge superheat of machine carries out first time adjustment to the aperture of tonifying Qi electric expansion valve；
After the completion of adjusting first time, the tonifying Qi degree of superheat of enthalpy-increasing compressor is obtained, and according to the tonifying Qi of the enthalpy-increasing compressor
The degree of superheat carries out second to the aperture of the tonifying Qi electric expansion valve and adjusts.
The storage medium, wherein described instruction is suitble to be loaded by processor and specifically executes following steps:
Judge that current enthalpy-increasing compressor is in heating or refrigerating state；
If being in heating state, the delivery temperature of enthalpy-increasing compressor and the inner coil pipe temperature of enthalpy-increasing compressor are acquired, it will be described
Discharge superheat of the difference of delivery temperature and inner coil pipe temperature as the enthalpy-increasing compressor；
If be in refrigerating state, acquire enthalpy-increasing compressor delivery temperature and outer machine coil temperature, by the delivery temperature with
Discharge superheat of the difference of outer machine coil temperature as the enthalpy-increasing compressor.
The storage medium, wherein described instruction is suitble to be loaded by processor and specifically executes following steps:
Judge whether the discharge superheat is greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value；
If discharge superheat is greater than or equal to highest discharge superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve increases；
If discharge superheat is less than or equal to minimum discharge superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve reduces；
If discharge superheat is greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value, enters second and adjust
The step of reorganizing and bringing up gas electric expansion valve to full strength.
The storage medium, wherein described instruction is suitble to be loaded by processor and specifically executes following steps:
Judge whether the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value；
If the tonifying Qi degree of superheat is greater than or equal to highest tonifying Qi degree of superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve increases；
If the tonifying Qi degree of superheat is less than or equal to minimum tonifying Qi degree of superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve reduces；
If the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value, tonifying Qi electronics is controlled
The aperture of expansion valve is constant.
Based on the above method, the present invention also provides a kind of Gas-supplying enthalpy-increasings of enthalpy-increasing compressor to control equipment, wherein packet
It includes:
Tonifying Qi electric expansion valve is arranged between fluid reservoir and compressor；
Processor is adapted for carrying out each instruction；And
Storage medium, is suitable for storing a plurality of instruction, and the described instruction is suitble to be loaded by processor and execute increasing as described above
The Gas-supplying enthalpy-increasing control method of enthalpy compressor.
It has carried out explaining in detail in the above-mentioned methods about the technical detail and benefit of above-mentioned control equipment and storage medium
It states, details are not described herein again.
In conclusion the Gas-supplying enthalpy-increasing control method of enthalpy-increasing compressor provided by the invention, storage medium and control equipment,
By the way that in heat pump air conditioner operational process, first adjustment tonifying Qi electric expansion valve makes discharge superheat be maintained at zone of reasonableness for the first time
It is interior, second then is carried out to tonifying Qi electric expansion valve again and is adjusted, adjusts the tonifying Qi degree of superheat of compressor to reasonable range
It is interior, discharge superheat and the tonifying Qi degree of superheat can be sufficiently balanced, can be avoided tonifying Qi excessively makes lubricating oil temperature in compressor chamber
Continue relatively low, reduction lubricating oil flow, the problem of finally making compressor lubrication bad, influence compressor service life.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of Gas-supplying enthalpy-increasing control method of enthalpy-increasing compressor, which is characterized in that comprising steps of
When tonifying Qi electric expansion valve need to be opened, controls the tonifying Qi electric expansion valve and open；
After tonifying Qi electric expansion valve unlatching, the discharge superheat of enthalpy-increasing compressor is obtained, and compress according to the increasing enthalpy
The discharge superheat of machine carries out first time adjustment to the aperture of tonifying Qi electric expansion valve；
After the completion of adjusting first time, the tonifying Qi degree of superheat of enthalpy-increasing compressor is obtained, and according to the tonifying Qi of the enthalpy-increasing compressor
The degree of superheat carries out second to the aperture of the tonifying Qi electric expansion valve and adjusts.
2. the Gas-supplying enthalpy-increasing control method of enthalpy-increasing compressor according to claim 1, which is characterized in that the step obtains
The discharge superheat of enthalpy-increasing compressor, comprising:
Judge that current enthalpy-increasing compressor is in heating or refrigerating state；
If being in heating state, the delivery temperature of enthalpy-increasing compressor and the inner coil pipe temperature of enthalpy-increasing compressor are acquired, it will be described
Discharge superheat of the difference of delivery temperature and inner coil pipe temperature as the enthalpy-increasing compressor；
If be in refrigerating state, acquire enthalpy-increasing compressor delivery temperature and outer machine coil temperature, by the delivery temperature with
Discharge superheat of the difference of outer machine coil temperature as the enthalpy-increasing compressor.
3. the Gas-supplying enthalpy-increasing control method of enthalpy-increasing compressor according to claim 2, which is characterized in that the step according to
The discharge superheat of the enthalpy-increasing compressor carries out first time adjustment to the aperture of tonifying Qi electric expansion valve, comprising:
Judge whether the discharge superheat is greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value；
If discharge superheat is greater than or equal to highest discharge superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve increases；
If discharge superheat is less than or equal to minimum discharge superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve reduces；
If discharge superheat is greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value, enters second and adjust
The step of reorganizing and bringing up gas electric expansion valve to full strength.
4. the Gas-supplying enthalpy-increasing control method of enthalpy-increasing compressor according to claim 1, which is characterized in that the step obtains
The tonifying Qi degree of superheat of enthalpy-increasing compressor, comprising:
The temperature of increasing enthalpy tracheae and the temperature of increasing enthalpy liquid pipe are acquired, by the temperature of the temperature of the increasing enthalpy tracheae and increasing enthalpy liquid pipe
The tonifying Qi degree of superheat of the difference as the enthalpy-increasing compressor.
5. the Gas-supplying enthalpy-increasing control method of enthalpy-increasing compressor according to claim 4, which is characterized in that the step according to
The tonifying Qi degree of superheat of the enthalpy-increasing compressor carries out second of adjustment to the aperture of the tonifying Qi electric expansion valve and adjusts, comprising:
Judge whether the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value；
If the tonifying Qi degree of superheat is greater than or equal to highest tonifying Qi degree of superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve increases；
If the tonifying Qi degree of superheat is less than or equal to minimum tonifying Qi degree of superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve reduces；
If the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value, tonifying Qi electronics is controlled
The aperture of expansion valve is constant.
6. a kind of storage medium is stored thereon with a plurality of instruction, which is characterized in that described instruction is suitble to be loaded and held by processor
Row following steps:
When tonifying Qi electric expansion valve need to be opened, controls the tonifying Qi electric expansion valve and open；
After tonifying Qi electric expansion valve unlatching, the discharge superheat of enthalpy-increasing compressor is obtained, and compress according to the increasing enthalpy
The discharge superheat of machine carries out first time adjustment to the aperture of tonifying Qi electric expansion valve；
After the completion of adjusting first time, the tonifying Qi degree of superheat of enthalpy-increasing compressor is obtained, and according to the tonifying Qi of the enthalpy-increasing compressor
The degree of superheat carries out second to the aperture of the tonifying Qi electric expansion valve and adjusts.
7. storage medium according to claim 6, which is characterized in that described instruction is suitble to be loaded by processor and specifically held
Row following steps:
Judge that current enthalpy-increasing compressor is in heating or refrigerating state；
If being in heating state, the delivery temperature of enthalpy-increasing compressor and the inner coil pipe temperature of enthalpy-increasing compressor are acquired, it will be described
Discharge superheat of the difference of delivery temperature and inner coil pipe temperature as the enthalpy-increasing compressor；
If be in refrigerating state, acquire enthalpy-increasing compressor delivery temperature and outer machine coil temperature, by the delivery temperature with
Discharge superheat of the difference of outer machine coil temperature as the enthalpy-increasing compressor.
8. storage medium according to claim 7, which is characterized in that described instruction is suitble to be loaded by processor and specifically held
Row following steps:
Judge whether the discharge superheat is greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value；
If discharge superheat is greater than or equal to highest discharge superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve increases；
If discharge superheat is less than or equal to minimum discharge superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve reduces；
If discharge superheat is greater than minimum discharge superheat threshold value and is less than highest discharge superheat threshold value, enters second and adjust
The step of reorganizing and bringing up gas electric expansion valve to full strength.
9. storage medium according to claim 7, which is characterized in that described instruction is suitble to be loaded by processor and specifically held
Row following steps:
Judge whether the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value；
If the tonifying Qi degree of superheat is greater than or equal to highest tonifying Qi degree of superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve increases；
If the tonifying Qi degree of superheat is less than or equal to minimum tonifying Qi degree of superheat threshold value, the aperture for controlling tonifying Qi electric expansion valve reduces；
If the tonifying Qi degree of superheat is greater than minimum tonifying Qi degree of superheat threshold value and is less than highest tonifying Qi degree of superheat threshold value, tonifying Qi electronics is controlled
The aperture of expansion valve is constant.
10. a kind of Gas-supplying enthalpy-increasing of enthalpy-increasing compressor controls equipment characterized by comprising
Tonifying Qi electric expansion valve is arranged between fluid reservoir and compressor；
Processor is adapted for carrying out each instruction；And
Storage medium, is suitable for storing a plurality of instruction, and the described instruction is suitble to be loaded by processor and execute such as claim 1 ~ 5
The Gas-supplying enthalpy-increasing control method of any enthalpy-increasing compressor.
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| CN117308430A (en) * | 2023-10-19 | 2023-12-29 | 北京工业大学 | Air source heat pump air supply control method suitable for frosting working condition |
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Inventor after: Yao Honghai Inventor after: Zhang Yujin Inventor after: Wu Jingyu Inventor after: Lin Haidong Inventor after: Song Peigang Inventor after: Sun Changquan Inventor before: Yao Honghai Inventor before: Zhang Yujin Inventor before: Wu Jingyu Inventor before: Lin Haidong |
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