CN106091164A - A kind of compressor preheating structure, pre-heating system, pre-heating mean and air-conditioning - Google Patents
A kind of compressor preheating structure, pre-heating system, pre-heating mean and air-conditioning Download PDFInfo
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- CN106091164A CN106091164A CN201610503080.1A CN201610503080A CN106091164A CN 106091164 A CN106091164 A CN 106091164A CN 201610503080 A CN201610503080 A CN 201610503080A CN 106091164 A CN106091164 A CN 106091164A
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- temperature
- electronic valve
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- valve
- warm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- 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
-
- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- 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
Abstract
The present invention relates to airconditioning control field, particularly to a kind of compressor preheating structure, pre-heating system, pre-heating mean and air-conditioning.Method comprises the following steps: after compressor start, the suction temperature at collect and process machine gas returning port；Relatively suction temperature and default lubricating oil normal temperature, according to comparative result, control the first electronic valve, the second electronic valve and the 3rd electronic valve respectively and be turned on and off.The present invention compares more conventional electrically heated preheating method, and programming rate is fast, it is possible to reduce the time of system compressors low cruise, makes compressor can be quickly accelerated to normal operating condition, quickly improves heating capacity, improves Consumer's Experience effect.
Description
Technical field
The present invention relates to airconditioning control field, particularly to a kind of compressor preheating structure, pre-heating system, pre-heating mean and
Air-conditioning.
Background technology
At pole cold district, when utilizing air-conditioner outdoor unit to start running, the compressor of off-premises station is likely to occur compressor
Internal lubrication oil temperature is the lowest, the situation that the viscosity height lubricant effect of lubricating oil is very poor, causes compressor of outdoor unit quickly to grind
Damage, ultimately result in compressor and shorten service life.Prior art is to use the outside heat tape that increases, but due to compressor outside
Portion is typically enclosed with thick Sound-proof material, and it is on fire that powerful heat tape easily causes Sound-proof material, low power heat tape,
Then can make whole warm overlong time, affect Consumer's Experience effect.
Summary of the invention
The invention provides a kind of compressor preheating structure, pre-heating system, pre-heating mean and air-conditioning, solve above-mentioned technology
Problem.
The technical scheme is that a kind of compressor preheating structure, including by compressor,
The closed circuit that outdoor condenser, the first electronic valve, electronic throttle parts, indoor evaporator and the second electronic valve are constituted,
The gas returning port of described compressor is provided with the first temperature-detecting device, described outdoor condenser liquid outlet and the first electronic valve it
Between any piping node to being provided with control pipe between any piping node between the second electronic valve and compressor return air mouth
Road, described control piper is provided with the 3rd electronic valve.
The invention has the beneficial effects as follows: in compressor preheating structure of the present invention, at described outdoor condenser liquid outlet and the
Any piping node between one electronic valve is between any piping node between the second electronic valve and compressor return air mouth
Control piper is set, and the 3rd electronic valve is set between control piper, thus can suction temperature less than preset
During lubricating oil normal temperature, open the 3rd electronic valve, and close the first electronic valve and the second electronic valve, make coolant simply
The pipeline of off-premises station runs, thus improves rapidly temperature in compressor cylinder body, the lubricating oil in cylinder body is heated rapidly, subtracts
The time of few system compressors low cruise, make compressor can be quickly accelerated to normal operating condition, quickly improve heating capacity,
Improve Consumer's Experience effect.
On the basis of technique scheme, the present invention can also do following improvement.
Further, it is provided with at described exhaust outlet of compressor for detecting compressor exhaust temperature the second temperature-detecting device.
Above-mentioned further scheme is used to provide the benefit that: the preheating structure of the present invention is additionally arranged for detecting compressor
Second temperature-detecting device of delivery temperature, by detection delivery temperature, can enter the first electronic valve in warm
Row controls further, it is to avoid compressor autoprotection situation occurs, further shorten preheating time, makes compressor faster
Accelerate to normal operating condition.
Further, described electronic throttle parts are capillary tube, electric expansion valve or heating power expansion valve.
Above-mentioned further scheme is used to provide the benefit that: capillary tube or electric expansion valve or heating power expansion valve all have
Good throttling action, wherein, the aperture of electric expansion valve and heating power expansion valve can degree of supercooling as required control, and capillary
The production cost of pipe is low, it is simple and convenient to assemble.
Further, described first electronic valve, the second electronic valve, the 3rd electronic valve are respectively electromagnetic valve.
Above-mentioned further scheme is used to provide the benefit that: the further technical scheme of the present invention uses electromagnetic valve conduct
The switch of control system pipeline connection status, control mode is simple and response speed fast, can shorten preheating time further.When
So, in other scheme, it would however also be possible to employ other the electricity that can be used as the present invention with the electrical switch of control piper break-make
Sub-valve.
In order to solve described technical problem, present invention also offers a kind of compressor preheating system, including described compression
Machine preheating structure, also include control device, the input of described control device connect respectively described first temperature-detecting device and
Second temperature-detecting device, outfan connects described first electronic valve, the second electronic valve and the 3rd electronic valve, institute respectively
State and control device suction temperature at the compressor return air mouth according to the first temperature-detecting device detection and the inspection of the second temperature
Survey the delivery temperature at the exhaust outlet of compressor of device detection, control the first electronic valve, the second electronic valve and the 3rd electronics
Valve opening or closedown.
The invention has the beneficial effects as follows: by the pre-heating system of the present invention, it is possible to allow compressor at pole cold district, quickly
Start and enter normal operation, improving rapidly heating capacity, reducing the time of system compressors low cruise, improving user's body
Test effect.Meanwhile, by detection delivery temperature in the pre-heating system of the present invention, can be to the first electronic valve in warm
Control further, it is to avoid compressor autoprotection situation occurs, further shorten preheating time, make compressor more rapid
Accelerate to normal operating condition.
Further, described first temperature-detecting device includes that the first temperature collecting cell being sequentially connected with, the first computing are put
Big unit and the first AD conversion unit, described first temperature collecting cell suction temperature at collect and process machine gas returning port
Analogue signal, described first operation amplifier unit is used for being amplified described suction temperature analogue signal, described first modulus
Converting unit is for being converted to suction temperature digital signal by the suction temperature analogue signal of amplification.
Further, described second temperature-detecting device includes that the second temperature collecting cell being sequentially connected with, the second computing are put
Big unit and the second AD conversion unit, described second temperature collecting cell is for the delivery temperature of collect and process machine exhaust ports
Analogue signal, described second operation amplifier unit is used for being amplified described delivery temperature analogue signal, described second modulus
Converting unit is for being converted to delivery temperature digital signal by the delivery temperature analogue signal of amplification.
Above-mentioned further scheme is used to provide the benefit that: in the further technical scheme of the present invention, the first temperature acquisition
Unit and the second temperature collecting cell can be temperature sensor or other temperature collecting device, by by temperature acquisition
The temperature signal that unit gathers amplifies through amplifier, and is converted to control the manageable signal of device by analog-digital converter,
Thus provide the foundation for controlling device turning off or on of electronic valve of control.
Further, described first temperature-detecting device and the second temperature-detecting device are respectively by wireless or wired side
Formula is connected with described control device；Described control device by wired or the most respectively with described first electronic valve
Door, the second electronic valve and the 3rd electronic valve connect.
Use above-mentioned further scheme to provide the benefit that: in the further technical scheme of the present invention, temperature-detecting device and
Control device, control between device and electronic valve can by use wireless or wired in the way of carry out data transmission, transmission side
Formula is various, can select as required.
Further, described control device includes the first comparing unit and control unit,
Described first comparing unit is for comparing suction temperature and the lubricating oil normal temperature preset；
Described control unit is for when suction temperature is more than or equal to described lubricating oil normal temperature, controlling the 3rd electronics
Valve closing, the first electronic valve, the second electronic valve be separately turned on, and air conditioning system enters course of normal operation；
And for when suction temperature is less than described lubricating oil normal temperature, controls the 3rd electronic valve and open, first
Electronic valve, the second electronic valve are closed respectively, and air conditioning system enters warm.
Further, after air conditioning system enters warm, described control unit is for being more than or equal to when suction temperature
During described lubricating oil normal temperature, controlling the 3rd electronic valve and close, the first electronic valve, the second electronic valve are separately turned on,
Terminate the warm of air conditioning system.
Further, described control device also includes the second comparing unit,
Described second comparing unit aerofluxus temperature in the compressor autoprotection temperature relatively preset and warm
Degree；
Described control unit is additionally operable to, when delivery temperature is more than or equal to compressor autoprotection temperature, control the first electricity
Sub-valve opening；When delivery temperature is less than compressor autoprotection temperature, keep the open and-shut mode of each electronic valve current.
Further, described control device also includes computing unit and the 3rd comparing unit,
Described computing unit is for calculating default compressor autoprotection temperature and the difference of default safe clearance；
Described 3rd comparing unit delivery temperature in relatively described difference and warm；
Described control unit is additionally operable to, when delivery temperature is more than or equal to described difference, control the first electronic valve and open
Open；When delivery temperature is less than described difference, keep the open and-shut mode of each electronic valve current.
In order to solve described technical problem, present invention also offers a kind of air-conditioning, including described compressor preheating system.
The invention has the beneficial effects as follows: by the air-conditioning of the present invention, it is possible to allow compressor at pole cold district, quickly start
And enter normal operation, improve rapidly heating capacity, reduce the time of system compressors low cruise, improve Consumer's Experience effect
Really.
In order to solve described technical problem, present invention also offers a kind of compressor preheating method, comprise the following steps:
Step 1, the suction temperature after compressor start, at collect and process machine gas returning port；
Step 2, relatively described suction temperature and default lubricating oil normal temperature, according to comparative result, control the first electricity
Sub-valve, the second electronic valve and the 3rd electronic valve are turned on and off.
The invention has the beneficial effects as follows: in the pre-heating mean of the present invention, when whole off-premises station startup optimization, due to just
Starting to start, inner compressor lubricating oil viscosity denseness is high, and lubricant effect is very poor, and compressor can only run in the slow-speed of revolution.Now first
Temperature-detecting device detection compressor suction temperature, and send temperature signal to control device, control device judge return air temperature
Degree, less than the lubricating oil normal temperature preset, then controls the first electronic valve, the second electronic valve closedown, the 3rd electronic valve
Opening, whole pipe-line system is pre-Warm status, and now coolant flowing simply runs in the pipeline of off-premises station, compressor exhaust pipe
The coolant of High Temperature High Pressure out only runs through muffler by the pipeline of off-premises station and returns in compressor, thus improves rapidly
Temperature in compressor cylinder body, heats the lubricating oil in cylinder body rapidly, simultaneously compressor return air temperature and delivery temperature constantly on
Rise.When the first temperature-detecting device detects that the suction temperature of compressor reaches default lubricating oil temperature, by the first electronics
Valve, the second electronic valve are opened, and the 3rd electronic valve is closed, and warm terminates, and whole system enters normal operating condition.
By the pre-heating mean of the present invention, it is possible to allow compressor at pole cold district, quickly start and enter normal operation, rapidly
Improve heating capacity, reduce the time of system compressors low cruise, improve Consumer's Experience effect.
Further, described step 2 particularly as follows:
If suction temperature is more than or equal to described lubricating oil normal temperature, then controls the 3rd electronic valve and close, the first electricity
Sub-valve, the second electronic valve are separately turned on, and air conditioning system enters course of normal operation；
If suction temperature is less than described lubricating oil normal temperature, then controls the 3rd electronic valve and open, the first electronic valve,
Second electronic valve is closed respectively, and air conditioning system enters warm.
Further, after air-conditioning enters warm, it is spaced the first Preset Time and controls described second temperature-detecting device
Gather described suction temperature, during until suction temperature is more than or equal to described lubricating oil normal temperature, control the 3rd electronic valve
Closing, the first electronic valve, the second electronic valve are separately turned on, and terminate the warm of air conditioning system.
Further, warm also including, compressor autoprotection releases step, particularly as follows:
After entering warm, it is spaced the second Preset Time and controls described first temperature-detecting device collect and process machine aerofluxus
Delivery temperature at Kou；
Relatively described delivery temperature and default compressor autoprotection temperature, if delivery temperature is more than or equal to compressor
Autoprotection temperature, then control the first electronic valve and open；If delivery temperature is less than compressor autoprotection temperature, then keep working as
The open and-shut mode of each valve front.
Above-mentioned further scheme is used to provide the benefit that: the present invention adds compressor autoprotection in pre-heating mean
Release step, by detection delivery temperature, and compare delivery temperature and the compressor autoprotection temperature preset, aerofluxus can be worked as
When temperature is more than or equal to compressor autoprotection temperature, open the first electronic valve, reduce system pressure, thus reduce compression
Machine delivery temperature, it is to avoid autoprotection situation occurs in compressor, thus further shorten preheating time, makes compressor more rapid
Accelerate to normal operating condition.
Further, warm also including, compressor autoprotection releases step, particularly as follows:
Calculate the compressor autoprotection temperature preset and the difference of the safe clearance of presetting；
After entering warm, it is spaced the second Preset Time and controls described first temperature-detecting device collect and process machine aerofluxus
Delivery temperature at Kou；
Relatively described delivery temperature and described difference, if delivery temperature is more than or equal to described difference, then controls the first electricity
Sub-valve opening；If delivery temperature is less than described difference, then keep the open and-shut mode of each valve current.
Use above-mentioned further scheme to provide the benefit that: in the further technical scheme of the present invention, be provided with safety remaining
Amount, by detection delivery temperature, and compares delivery temperature and compressor autoprotection temperature and the difference of safe clearance, works as aerofluxus
When temperature is more than or equal to difference, opens the first electronic valve, thus preferably avoid compressor that autoprotection situation occurs, enter
One step shortens preheating time, makes compressor accelerate to normal operating condition faster.
Further, described lubricating oil normal temperature range is :-10 DEG C～100 DEG C；Described compressor autoprotection temperature model
Enclose for: 100-120 DEG C；The span of described safe clearance is: 5-15 DEG C.
Accompanying drawing explanation
Fig. 1 is the structural representation of 1 one kinds of compressor preheating structures of the embodiment of the present invention；
Fig. 2 is the structural representation of 2 one kinds of compressor preheating systems of the embodiment of the present invention；
Fig. 3 is the structural representation of 3 one kinds of air-conditionings of the embodiment of the present invention；
Fig. 4 is the schematic flow sheet of 4 one kinds of compressor preheating methods of the embodiment of the present invention；
In above example, each label is specific as follows:
1, compressor, 2, outdoor condenser, 3, capillary tube, 4, indoor evaporator, the 5, first temperature-detecting device, 6, second
Temperature-detecting device, the 7, first electronic valve, the 8, second electronic valve, 9, control piper, the 10, the 3rd electronic valve.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
Non-for limiting the scope of the present invention.
Fig. 1 is the structural representation of 1 one kinds of compressor preheating structures of the embodiment of the present invention, including compressor 1, outdoor condensation
Device 2, capillary tube 3 and indoor evaporator 4, described compressor 1 air vent junction chamber external condenser 2 air inlet, outdoor condenser 2 goes out
Liquid mouth connects capillary tube 3, and capillary tube 3 is connected to the gas returning port of compressor 1 through indoor evaporator 4, is provided with for examining at gas returning port
First temperature-detecting device 5 of measured compressed machine suction temperature；It is provided with the first electronics between described outdoor condenser 2 and capillary tube 3
Valve 7, is provided with the second electronic valve 8 between indoor evaporator 4 and compressor 1 gas returning port；Control piper 9 one end is connected to outdoor
Any piping node between condenser 2 liquid outlet and the first electronic valve 7, the other end is connected to the second electronic valve 8 and pressure
Any piping node between contracting machine 1 gas returning port, is provided with the 3rd electronic valve 10 in described control piper 9.In the present embodiment, institute
State compressor 1 exhaust ports to be additionally provided with for detecting compressor exhaust temperature the second temperature-detecting device 6.In the present embodiment, institute
Stating electronic throttle subassembly selection capillary tube, in other embodiments, electronic throttle parts can also is that electric expansion valve or heat
Power expansion valve.Meanwhile, described in the present embodiment, first electronic valve the 7, second electronic valve the 8, the 3rd electronic valve 10 is respectively
Electromagnetic valve.
The preheating structure of the present embodiment compares more conventional electrically heated preheating method, does not haves and causes Sound-proof material on fire
Hidden danger, can close the first electronic valve and the second electronic valve when suction temperature is relatively low, opens the 3rd electronic valve meanwhile
Door, makes coolant only flow in off-premises station pipeline, and compressor exhaust pipe High Temperature High Pressure coolant out is only by the pipe of off-premises station
Road runs through muffler and returns in compressor, thus accelerates lubricating oil programming rate, it is possible to reduce system compressors low speed is transported
The time of row, make compressor can be quickly accelerated to normal operating condition, quickly improve heating capacity, improve Consumer's Experience effect.
Simultaneously in warm, by detecting the delivery temperature of compressor, when the excessive discharge temperature of compressor, exceed default pressure
During contracting machine safe temperature, the first electronic valve can be opened, reduce system pressure and delivery temperature, thus avoid system to occur certainly
Body protection situation, further increases and heats speed, shorten the low cruise time, improve Consumer's Experience effect.
Fig. 2 is the structural representation of 2 one kinds of compressor preheating systems of the embodiment of the present invention, including described compressor preheating
Structure, also includes controlling device, and the input of described control device connects described first temperature-detecting device, and outfan connects respectively
Connecing described first electronic valve, the second electronic valve and the 3rd electronic valve, described control device is for according to the first temperature inspection
The suction temperature surveying device detection and the comparative result of lubricating oil normal temperature preset, control respectively the first electronic valve, the
Two electronic valves and/or the 3rd electronic valve are turned on and off.In the present embodiment, the input of described control device is also connected with
Two temperature-detecting devices, the delivery temperature in the warm according to the second temperature-detecting device detection and the compression preset
The comparative result of machine safe temperature, controls the first electronic valve and opens or remain turned-off, and described compressor safe temperature is default
Compressor autoprotection temperature；Or it is compressor autoprotection temperature and the difference of preset security surplus.
In the present embodiment, described first temperature-detecting device includes the first temperature collecting cell, the first fortune being sequentially connected with
Calculate amplifying unit and the first AD conversion unit, described first temperature collecting cell return-air at collect and process machine gas returning port
Temperature analog signal, described first operation amplifier unit is used for being amplified described suction temperature analogue signal, and described first
AD conversion unit is for being converted to suction temperature digital signal by the suction temperature analogue signal of amplification.Described second temperature inspection
Survey the second temperature collecting cell, the second operation amplifier unit and the second AD conversion unit that device includes being sequentially connected with, described
Second temperature collecting cell is for the delivery temperature analogue signal of collect and process machine exhaust ports, described second operation amplifier unit
For described delivery temperature analogue signal being amplified, described second AD conversion unit is for the delivery temperature mould that will amplify
Intend signal and be converted to delivery temperature digital signal.First temperature collecting cell and the second temperature collecting cell can be temperature sensing
Device or other temperature collecting device, amplified through amplifier by the temperature signal gathered by temperature collecting cell, and lead to
Cross analog-digital converter and be converted to control the manageable signal of device, thus control the closedown of electronic valve for controlling device or open
Open and provide the foundation.
In the present embodiment, described first temperature-detecting device and the second temperature-detecting device are respectively by wireless or wired
Mode be connected with described control device；Described control device by wired or the most respectively with described first electronics
Valve, the second electronic valve and the 3rd electronic valve connect, and transmission means is various, can select as required.
In the present embodiment, described control device includes: include the first comparing unit and control unit,
Described first comparing unit is for comparing suction temperature and the lubricating oil normal temperature preset；
Described control unit is for when suction temperature is more than or equal to described lubricating oil normal temperature, controlling the 3rd electronics
Valve closing, the first electronic valve, the second electronic valve be separately turned on, and air conditioning system enters course of normal operation；
And for when suction temperature is less than described lubricating oil normal temperature, controls the 3rd electronic valve and open, first
Electronic valve, the second electronic valve are closed respectively, and air conditioning system enters warm.After air conditioning system enters warm,
Described control unit, for when suction temperature is more than or equal to described lubricating oil normal temperature, controls the 3rd electronic valve and closes
Closing, the first electronic valve, the second electronic valve are separately turned on, and terminate the warm of air conditioning system.
In a preferred embodiment, described control device also includes that the second comparing unit, described second comparing unit are used for
Delivery temperature in the compressor autoprotection temperature relatively preset and warm；Described control unit is additionally operable to when aerofluxus temperature
When degree is more than or equal to compressor autoprotection temperature, controls the first electronic valve and open；When delivery temperature is less than compressor certainly
During body protection temperature, keep the open and-shut mode of each electronic valve current.
In other preferred embodiments, described control device also includes computing unit and the 3rd comparing unit, described calculating
Unit is for calculating default compressor autoprotection temperature and the difference of default safe clearance；Described 3rd comparing unit is used
Delivery temperature in relatively described difference and warm；Described control unit is additionally operable to when delivery temperature is more than or equal to institute
When stating difference, control the first electronic valve and open；When delivery temperature is less than described difference, keep each electronic valve current
Open and-shut mode.
Fig. 3 is the structural representation of 3 one kinds of air-conditionings of the embodiment of the present invention, including described compressor preheating system.
Fig. 4 is the schematic flow sheet of 4 one kinds of compressor preheating methods of the embodiment of the present invention, comprises the following steps:
Step 1, the suction temperature at collect and process machine gas returning port；
Step 2, relatively described suction temperature and the lubricating oil normal temperature preset, according to comparative result, control the respectively
One electronic valve, the second electronic valve and/or the 3rd electronic valve are turned on and off.In the present embodiment, described lubricating oil is normal
Temperature refers to temperature when lubricating oil normal table runs, and its span is-10 DEG C～100 DEG C, in the present embodiment, is chosen as
10 DEG C, in other embodiments, it is also possible to be chosen as 20 DEG C, 35 DEG C, 55 DEG C, 70 DEG C, 90 DEG C etc..
In the present embodiment, described step 2 particularly as follows:
If suction temperature is more than or equal to described lubricating oil normal temperature, then controls the 3rd electronic valve and close, the first electricity
Sub-valve, the second electronic valve are separately turned on, and air conditioning system enters course of normal operation；
If suction temperature is less than described lubricating oil normal temperature, then controls the 3rd electronic valve and open, the first electronic valve,
Second electronic valve is closed respectively, and air conditioning system enters warm.After air-conditioning enters warm, when interval first is preset
Between control described second temperature-detecting device gather described suction temperature, until suction temperature more than or equal to described lubricating oil just
During normal temperature, controlling the 3rd electronic valve and close, the first electronic valve, the second electronic valve are separately turned on, and terminate air conditioning system
Warm.
In the pre-heating mean of the present invention, when whole off-premises station startup optimization, owing to just starting to start, inner compressor
Lubricating oil viscosity denseness is high, and lubricant effect is very poor, and compressor can only run in the slow-speed of revolution.Now the first temperature-detecting device detection compression
The suction temperature of machine, and send temperature signal to controlling device, control device and judge that suction temperature is less than default lubricating oil just
Normal temperature, then controls the first electronic valve, the second electronic valve closedown, and the 3rd electronic valve is opened, and whole pipe-line system is
Pre-Warm status, now coolant flowing simply runs in the pipeline of off-premises station, compressor exhaust pipe High Temperature High Pressure out cold
Matchmaker only runs through muffler by the pipeline of off-premises station and returns in compressor, thus improves rapidly temperature in compressor cylinder body,
Being heated rapidly by lubricating oil in cylinder body, compressor return air temperature and delivery temperature constantly rise simultaneously.When the first temperature detection
Device detects when the suction temperature of compressor reaches default lubricating oil temperature, by the first electronic valve, the second electronic valve
Opening, the 3rd electronic valve is closed, and warm terminates, and whole system enters normal operating condition.By the preheating of the present invention
Method, it is possible to allow compressor at pole cold district, quickly start and enter normal operation, improve rapidly heating capacity, reduces
The time of system compressors low cruise, improve Consumer's Experience effect.
In the present embodiment, warm also including, compressor autoprotection releases step, particularly as follows:
After entering warm, it is spaced the second Preset Time and controls described first temperature-detecting device collect and process machine aerofluxus
Delivery temperature at Kou；
Relatively described delivery temperature and default compressor autoprotection temperature, if delivery temperature is more than or equal to compressor
Autoprotection temperature, then control the first electronic valve and open；If delivery temperature is less than compressor autoprotection temperature, then keep working as
The open and-shut mode of each valve front.Described compressor autoprotection temperature is compressor autoprotection limiting temperature, and scope is
100-120 DEG C, in the present embodiment, described compressor autoprotection temperature value is 110 DEG C.
The present embodiment adds compressor autoprotection in pre-heating mean and releases step, by detection delivery temperature, and
Relatively delivery temperature and default compressor autoprotection temperature, can work as delivery temperature more than or equal to compressor autoprotection
During temperature, open the first electronic valve, reduce system pressure, thus reduce compressor exhaust temperature, it is to avoid compressor occurs certainly
Body protection situation, thus further shorten preheating time, make compressor accelerate to normal operating condition faster.
In other embodiments, warm also including, other compressor autoprotection releases step, particularly as follows:
Calculate the compressor autoprotection temperature preset and the difference of the safe clearance of presetting；The value of described safe clearance
Scope is 5～15 DEG C, and in the present embodiment, compressor autoprotection temperature selects 110 DEG C, and safe clearance selects 10 DEG C, therefore presses
Contracting machine autoprotection temperature and the difference 100 DEG C of safe clearance；
After entering warm, it is spaced the second Preset Time and controls described first temperature-detecting device collect and process machine aerofluxus
Delivery temperature at Kou；
Relatively described delivery temperature and described difference, if delivery temperature is more than or equal to described difference, then controls the first electricity
Sub-valve opening；If delivery temperature is less than described difference, then keep the open and-shut mode of each valve current.
This preferred technical scheme is provided with safe clearance, by detection delivery temperature, and compare delivery temperature and
Compressor autoprotection temperature and the difference of safe clearance, when delivery temperature is more than or equal to difference, open the first electronic valve
Door, thus preferably avoid compressor that autoprotection situation occurs, further shorten preheating time, make compressor faster
Accelerate to normal operating condition.
In describing the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " the
One ", the feature of " second " can express or implicitly include at least one this feature.In describing the invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (19)
1. a compressor preheating structure, it is characterised in that include by compressor, outdoor condenser, the first electronic valve, electronics
The closed circuit that throttle part, indoor evaporator and the second electronic valve are constituted, the gas returning port of described compressor is provided with first
Temperature-detecting device, any piping node between described outdoor condenser liquid outlet and the first electronic valve is to the second electronic valve
It is provided with control piper between any piping node between door and compressor return air mouth, described control piper is provided with the 3rd electricity
Sub-valve.
Compressor preheating structure the most according to claim 1, it is characterised in that be provided with at described exhaust outlet of compressor for
Second temperature-detecting device of detection compressor exhaust temperature.
Compressor preheating structure the most according to claim 1 and 2, it is characterised in that described electronic throttle parts are capillary
Pipe, electric expansion valve or heating power expansion valve.
Compressor preheating structure the most according to claim 3, it is characterised in that described first electronic valve, the second electronics
Valve, the 3rd electronic valve are respectively electromagnetic valve.
5. a compressor preheating system, it is characterised in that include the arbitrary described compressor preheating structure of Claims 1 to 4,
Also including controlling device, the input of described control device connects described first temperature-detecting device and the second temperature detection respectively
Device, outfan connects described first electronic valve, the second electronic valve and the 3rd electronic valve respectively, and described control device is used
According to first temperature-detecting device detection compressor return air mouth at suction temperature and the second temperature-detecting device detection
Delivery temperature at exhaust outlet of compressor, controls the first electronic valve, the second electronic valve and the 3rd electronic valve and opens or close
Close.
Compressor preheating system the most according to claim 5, it is characterised in that described first temperature-detecting device includes depending on
First temperature collecting cell of secondary connection, the first operation amplifier unit and the first AD conversion unit, described first temperature acquisition
Unit suction temperature analogue signal at collect and process machine gas returning port, described first operation amplifier unit is for by described time
Temperature analogue signal is amplified, and described first AD conversion unit is for being converted to the suction temperature analogue signal of amplification
Suction temperature digital signal.
Compressor preheating system the most according to claim 6, it is characterised in that described second temperature-detecting device includes depending on
Second temperature collecting cell of secondary connection, the second operation amplifier unit and the second AD conversion unit, described second temperature acquisition
Unit is for the delivery temperature analogue signal of collect and process machine exhaust ports, and described second operation amplifier unit is for by described row
Temperature analogue signal is amplified, and described second AD conversion unit is for being converted to the delivery temperature analogue signal of amplification
Delivery temperature digital signal.
Compressor preheating system the most according to claim 7, it is characterised in that described first temperature-detecting device and second
Temperature-detecting device respectively by wireless or wired by the way of be connected with described control device；Described control device is by wired
Or it is connected with described first electronic valve, the second electronic valve and the 3rd electronic valve the most respectively.
9. according to the arbitrary described compressor preheating system of claim 5～8, it is characterised in that described control device includes the
One comparing unit and control unit,
Described first comparing unit is for comparing suction temperature and the lubricating oil normal temperature preset；
Described control unit is for when suction temperature is more than or equal to described lubricating oil normal temperature, controlling the 3rd electronic valve
Closing, the first electronic valve, the second electronic valve are separately turned on, and air conditioning system enters course of normal operation；
And for when suction temperature is less than described lubricating oil normal temperature, controls the 3rd electronic valve and open, the first electronics
Valve, the second electronic valve are closed respectively, and air conditioning system enters warm.
Compressor preheating system the most according to claim 9, it is characterised in that after air conditioning system enters warm,
Described control unit, for when suction temperature is more than or equal to described lubricating oil normal temperature, controls the 3rd electronic valve and closes
Closing, the first electronic valve, the second electronic valve are separately turned on, and terminate the warm of air conditioning system.
11. compressor preheating systems according to claim 10, it is characterised in that described control device also includes the second ratio
Relatively unit,
Described second comparing unit delivery temperature in the compressor autoprotection temperature relatively preset and warm；
Described control unit is additionally operable to, when delivery temperature is more than or equal to compressor autoprotection temperature, control the first electronic valve
Door is opened；When delivery temperature is less than compressor autoprotection temperature, keep the open and-shut mode of each electronic valve current.
12. compressor preheating systems according to claim 11, it is characterised in that described control device also includes calculating list
Unit and the 3rd comparing unit,
Described computing unit is for calculating default compressor autoprotection temperature and the difference of default safe clearance；
Described 3rd comparing unit delivery temperature in relatively described difference and warm；
Described control unit is additionally operable to, when delivery temperature is more than or equal to described difference, control the first electronic valve and open；When
When delivery temperature is less than described difference, keep the open and-shut mode of each electronic valve current.
13. 1 kinds of air-conditionings, it is characterised in that include the arbitrary described compressor preheating system of claim 5～12.
14. 1 kinds of compressor preheating methods, it is characterised in that comprise the following steps:
Step 1, the suction temperature after compressor start, at collect and process machine gas returning port；
Step 2, relatively described suction temperature and default lubricating oil normal temperature, according to comparative result, control the first electronic valve
Door, the second electronic valve and the 3rd electronic valve are turned on and off.
15. compressor preheating methods according to claim 14, it is characterised in that described step 2 particularly as follows:
If suction temperature is more than or equal to described lubricating oil normal temperature, then controls the 3rd electronic valve and close, the first electronic valve
Door, the second electronic valve are separately turned on, and air conditioning system enters course of normal operation；
If suction temperature is less than described lubricating oil normal temperature, then controls the 3rd electronic valve and open, the first electronic valve, second
Electronic valve is closed respectively, and air conditioning system enters warm.
16. compressor preheating methods according to claim 15, it is characterised in that after air-conditioning enters warm,
Control described second temperature-detecting device every the first Preset Time and gather described suction temperature, until suction temperature is more than or equal to
During described lubricating oil normal temperature, controlling the 3rd electronic valve and close, the first electronic valve, the second electronic valve are separately turned on,
Terminate the warm of air conditioning system.
17. compressor preheating methods according to claim 16, it is characterised in that also include in warm that compressor is certainly
Body protection releases step, particularly as follows:
After entering warm, it is spaced the second Preset Time and controls described first temperature-detecting device collect and process machine exhaust ports
Delivery temperature；
Relatively described delivery temperature and default compressor autoprotection temperature, if delivery temperature is more than or equal to compressor self
Protection temperature, then control the first electronic valve and open；If delivery temperature is less than compressor autoprotection temperature, then keep current each
The open and-shut mode of individual valve.
18. compressor preheating methods according to claim 16, it is characterised in that also include in warm that compressor is certainly
Body protection releases step, particularly as follows:
Calculate the compressor autoprotection temperature preset and the difference of the safe clearance of presetting；
After entering warm, it is spaced the second Preset Time and controls described first temperature-detecting device collect and process machine exhaust ports
Delivery temperature；
Relatively described delivery temperature and described difference, if delivery temperature is more than or equal to described difference, then controls the first electronic valve
Door is opened；If delivery temperature is less than described difference, then keep the open and-shut mode of each valve current.
19. compressor preheating methods according to claim 18, it is characterised in that described lubricating oil normal temperature range
For :-10 DEG C～100 DEG C；Described compressor autoprotection temperature range is: 100-120 DEG C；The span of described safe clearance
For: 5-15 DEG C.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144053A (en) * | 2017-07-10 | 2017-09-08 | 珠海格力电器股份有限公司 | Refrigerant heater, method and air-conditioner set |
| CN108562011A (en) * | 2018-04-12 | 2018-09-21 | 佛山市百里洲科技有限公司 | A kind of control method of air-conditioning preheating |
| CN109990438A (en) * | 2019-03-25 | 2019-07-09 | 宁波奥克斯电气股份有限公司 | A kind of control method and multi-connected machine device of multi-gang air-conditioner compressor preheating |
| CN110388776A (en) * | 2019-08-01 | 2019-10-29 | 珠海格力电器股份有限公司 | The progress control method and its equipment of refrigerant heating equipment at low temperature |
| CN110726269A (en) * | 2019-09-04 | 2020-01-24 | 浙江中广电器股份有限公司 | Control method for preventing running abrasion of compressor, compressor and heat pump system |
| CN110822634A (en) * | 2019-09-26 | 2020-02-21 | 宁波工程学院 | Self-adaptive dynamic control method for compressor during refrigeration of capillary radiation air conditioner |
| CN111140462A (en) * | 2020-01-09 | 2020-05-12 | 珠海格力电器股份有限公司 | Compressor preheating structure, control method and air conditioner |
| CN113623793A (en) * | 2021-08-23 | 2021-11-09 | 宁波奥克斯电气股份有限公司 | Compressor preheating control method, air conditioner and computer readable storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55803A (en) * | 1978-05-19 | 1980-01-07 | Matsushita Electric Ind Co Ltd | Controller for air conditioner |
| CN101178275A (en) * | 2007-12-05 | 2008-05-14 | 阿尔西制冷工程技术（北京）有限公司 | Refrigerating unit using electronic expansion valve to control temperature |
| CN101999063A (en) * | 2009-05-04 | 2011-03-30 | Lg电子株式会社 | Air conditioner |
| CN102128524A (en) * | 2010-01-13 | 2011-07-20 | 珠海格力电器股份有限公司 | Heat pump with preheating function and preheating method thereof |
| CN105004008A (en) * | 2015-07-20 | 2015-10-28 | 广东美的暖通设备有限公司 | Low-temperature start control method and system for frequency conversion air conditioner and air conditioner |
| CN105444448A (en) * | 2015-12-23 | 2016-03-30 | 广东美的暖通设备有限公司 | Refrigeration system and control method thereof |
-
2016
- 2016-06-27 CN CN201610503080.1A patent/CN106091164A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55803A (en) * | 1978-05-19 | 1980-01-07 | Matsushita Electric Ind Co Ltd | Controller for air conditioner |
| CN101178275A (en) * | 2007-12-05 | 2008-05-14 | 阿尔西制冷工程技术（北京）有限公司 | Refrigerating unit using electronic expansion valve to control temperature |
| CN101999063A (en) * | 2009-05-04 | 2011-03-30 | Lg电子株式会社 | Air conditioner |
| CN102128524A (en) * | 2010-01-13 | 2011-07-20 | 珠海格力电器股份有限公司 | Heat pump with preheating function and preheating method thereof |
| CN105004008A (en) * | 2015-07-20 | 2015-10-28 | 广东美的暖通设备有限公司 | Low-temperature start control method and system for frequency conversion air conditioner and air conditioner |
| CN105444448A (en) * | 2015-12-23 | 2016-03-30 | 广东美的暖通设备有限公司 | Refrigeration system and control method thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144053A (en) * | 2017-07-10 | 2017-09-08 | 珠海格力电器股份有限公司 | Refrigerant heater, method and air-conditioner set |
| CN107144053B (en) * | 2017-07-10 | 2023-09-29 | 珠海格力电器股份有限公司 | Refrigerant heating device and method and air conditioning unit |
| CN108562011A (en) * | 2018-04-12 | 2018-09-21 | 佛山市百里洲科技有限公司 | A kind of control method of air-conditioning preheating |
| CN109990438A (en) * | 2019-03-25 | 2019-07-09 | 宁波奥克斯电气股份有限公司 | A kind of control method and multi-connected machine device of multi-gang air-conditioner compressor preheating |
| CN110388776A (en) * | 2019-08-01 | 2019-10-29 | 珠海格力电器股份有限公司 | The progress control method and its equipment of refrigerant heating equipment at low temperature |
| CN110726269A (en) * | 2019-09-04 | 2020-01-24 | 浙江中广电器股份有限公司 | Control method for preventing running abrasion of compressor, compressor and heat pump system |
| CN110822634A (en) * | 2019-09-26 | 2020-02-21 | 宁波工程学院 | Self-adaptive dynamic control method for compressor during refrigeration of capillary radiation air conditioner |
| CN110822634B (en) * | 2019-09-26 | 2020-12-29 | 宁波工程学院 | Self-adaptive dynamic control method for compressor during refrigeration of capillary radiation air conditioner |
| CN111140462A (en) * | 2020-01-09 | 2020-05-12 | 珠海格力电器股份有限公司 | Compressor preheating structure, control method and air conditioner |
| CN111140462B (en) * | 2020-01-09 | 2021-05-25 | 珠海格力电器股份有限公司 | Compressor preheating structure, control method and air conditioner |
| CN113623793A (en) * | 2021-08-23 | 2021-11-09 | 宁波奥克斯电气股份有限公司 | Compressor preheating control method, air conditioner and computer readable storage medium |
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Application publication date: 20161109 |