CN106931671A - The progress control method of air-conditioning refrigerator all-in-one - Google Patents
The progress control method of air-conditioning refrigerator all-in-one Download PDFInfo
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- CN106931671A CN106931671A CN201710214512.1A CN201710214512A CN106931671A CN 106931671 A CN106931671 A CN 106931671A CN 201710214512 A CN201710214512 A CN 201710214512A CN 106931671 A CN106931671 A CN 106931671A
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- control
- valve
- control valve
- refrigerator
- heat exchanger
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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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/02—Compression machines, plants or systems with non-reversible cycle with compressor of reciprocating-piston type
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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
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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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2501—Bypass valves
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of progress control method of air-conditioning refrigerator all-in-one, including：Electricity on control air-conditioning refrigerator all-in-one；Obtain the running status of air-conditioning refrigerator all-in-one；When air-conditioning refrigerator all-in-one refrigerating operaton, control the 4th controls valve to open a/b, and the 5th control valve and the 7th control valve are closed, and outdoor heat exchanger, indoor heat exchanger and refrigerator are opened, the operation of compressor high frequency；Obtain the temperature deviation pn between indoor environment temperature and design temperature；As temperature deviation pn<During T1, control first controls valve, the second control valve, the 4th control valve and the 6th control valve standard-sized sheet, the 3rd control valve to open c/d, outdoor heat exchanger, indoor heat exchanger and refrigerator is opened simultaneously, the operation of compressor high frequency；When air-conditioning refrigerator all-in-one heating operation, control outdoor heat exchanger, indoor heat exchanger and refrigerator are opened, the operation of compressor high frequency.The progress control method of air-conditioning refrigerator all-in-one of the invention, can realize the complementation of air-conditioning refrigerator function, improve overall operational efficiency.
Description
Technical field
The present invention relates to air-conditioning technique field, in particular to a kind of operation control of air-conditioning refrigerator all-in-one
Method.
Background technology
Existing air-conditioner is the refrigeration plant of two pieces independence with refrigerator, and the long-term use time of air-conditioning is average less than 30%, ice
Case utilization rate is relatively long, but is substantially at off-mode in the winter time in northern refrigerator.Two pieces refrigeration appliance whole year utilization rate
It is not high, if it is possible to unite two into one, then the substantial amounts of energy and material cost will be saved.
Therefore, how more reasonably to say that refrigerator and air-conditioning are integrated, and realize having complementary functions, improve overall operation effect
Rate, is current problem demanding prompt solution.
The content of the invention
The purpose of the present invention is to propose to a kind of progress control method of air-conditioning refrigerator all-in-one, air-conditioning refrigerator work(can be realized
The complementation of energy, improves overall operational efficiency.
According to an aspect of the invention, there is provided a kind of progress control method of air-conditioning refrigerator all-in-one, including：Control
Electricity on air-conditioning refrigerator all-in-one；Obtain the running status of air-conditioning refrigerator all-in-one；When air-conditioning refrigerator all-in-one refrigerating operaton, control
System first controls valve, the second control valve, the 3rd control valve, the 6th control valve standard-sized sheet, the 4th control valve to open a/b, the 5th control
Valve and the 7th control valve are closed, and control outdoor heat exchanger, indoor heat exchanger and refrigerator are opened, by control the first by-passing valve and second
Port valve is closed, the high frequency operation of control compressor；Obtain the temperature deviation pn between indoor environment temperature and design temperature；Work as temperature
Deviation pn<During T1, control first controls valve, the second control valve, the 4th control valve and the 6th control valve standard-sized sheet, the 3rd control valve to beat
C/d is opened, control the 5th controls valve and the 7th control valve to close, outdoor heat exchanger, indoor heat exchanger and refrigerator is opened simultaneously, control
Make the first by-passing valve and the second by-passing valve is closed, the high frequency operation of control compressor；When air-conditioning refrigerator all-in-one heating operation, control
System first controls valve, the 4th control valve, the 5th control valve, the 6th control valve and the 7th control valve to open, the second control valve, the 3rd
Control valve is closed, and control outdoor heat exchanger, indoor heat exchanger and refrigerator are opened, the high frequency operation of control compressor.
Preferably, valve, the second control valve, the 4th control valve and the 6th control valve standard-sized sheet, the 3rd control are controlled in control first
After the step of valve opening c/d processed, the control valve of control the 5th and the 7th control valve are closed, progress control method also includes：Obtain
Freeze space and the temperature of chill space；When the temperature of freeze space and chill space reaches design temperature, control first controls valve, second
Control valve, the 3rd control valve, the 4th control valve and the 6th control valve standard-sized sheet, control the 5th control valve and the 7th control valve to close,
Outdoor heat exchanger, indoor heat exchanger and refrigerator is set to open simultaneously, the first by-passing valve of control and the second by-passing valve are closed, control compression
Machine low-frequency operation.
Preferably, progress control method also includes：As temperature deviation pn >=T1, control first controls valve, the second control
Valve, the 3rd control valve and the 6th control valve standard-sized sheet, control the 4th control valve to open a/b, and control the 5th controls valve and the 7th control
Valve is closed, and outdoor heat exchanger, indoor heat exchanger and refrigerator is opened simultaneously, and the first by-passing valve of control and the second by-passing valve are closed,
The high frequency operation of control compressor.
Preferably, when air-conditioning refrigerator all-in-one heating operation, valve, the 4th control valve, the 5th control are controlled in control first
Valve processed, the 6th control valve and the 7th control valve are opened, and after the second control valve, the 3rd control valve are closed, progress control method is also
Including：Whether detection refrigerator freezing area and chill space reach design temperature, or obtain between indoor environment temperature and design temperature
Temperature deviation；When refrigerator freezing area and chill space reach design temperature or temperature deviation pn<During T2, the control of control first valve,
4th control valve, the 5th control valve, the 6th control valve and the 7th control valve are opened, and control second controls valve and the 3rd control valve to close
Close, control refrigerator and indoor heat exchanger are opened, the intermediate frequency operation of control compressor.
Preferably, when refrigerator freezing area and chill space reach design temperature and temperature deviation pn<During T2, control first is controlled
Valve, the 4th control valve, the 5th control valve, the 6th control valve and the 7th control valve are opened, and control second controls valve and the 3rd control
Valve is closed, and control refrigerator and indoor heat exchanger are opened, and control compressor low-frequency operation.
Preferably, a/b is that 1/4, T1 is 1 DEG C, and c/d is 1/4.
Preferably, T2 is 2 DEG C.
Above-mentioned technical proposal of the invention, during air-conditioning refrigerator all-in-one operation refrigeration, control outdoor is changed
Hot device, indoor heat exchanger and refrigerator are together opened, outdoor heat exchanger exothermic condensation, indoor heat exchanger and refrigerator absorption refrigeration, by
Need to provide refrigeration institute chilling requirement to indoor heat exchanger and refrigerator simultaneously in now outdoor heat exchanger, therefore, in order to ensure interior
The refrigerating efficiency of heat exchanger and refrigerator, the 4th control valve that the flow of refrigerator is delivered to control refrigerant is adjusted, and makes it
Part is opened, while control refrigerant to be delivered to the 3rd control valve standard-sized sheet of indoor heat exchanger, such that it is able to flow mostly to refrigerant
To indoor heat exchanger, preferentially indoor temperature is adjusted, while slowly freezing to refrigerator.When indoor environment temperature with set
When deviation between constant temperature degree reaches preset range, illustrate indoor temperature substantially it is adjusted in place, can expend less
Cold just disclosure satisfy that the refrigeration needs of interior, therefore can now reduce the cold medium flux for flowing through indoor heat exchanger, increase stream
Through the cold medium flux of refrigerator so that the big portion of refrigerant is used for refrigeration for refrigerator, and small part maintains indoor refrigeration, due to now flowing through interior
The refrigerant of heat exchanger is reduced, and the refrigerant for flowing through refrigerator increases, therefore, it is possible to simultaneously full in the case where keeping cold medium flux constant
The requirement of foot interior refrigeration and refrigeration for refrigerator so that the function of air-conditioning and refrigerator can be complementary, reduces energy charge, improves
Energy utilization rate, improves the overall operation efficiency of refrigerator and air conditioner all-in-one.
When air-conditioning refrigerator all-in-one heating operation, control first controls valve, the 4th control valve, the 5th control valve, the 6th
Control valve and the 7th control valve open, second control valve, the 3rd control valve close, now outdoor heat exchanger, indoor heat exchanger and
Refrigerator runs, and is connected with refrigerator after outdoor heat exchanger and indoor heat exchanger parallel connection, is changed using indoor heat exchanger and outdoor
The characteristics of refrigeration area heat absorption evaporation of the hot common exothermic condensation of device and refrigerator, by the operation of outdoor heat exchanger and indoor heat exchanger
To provide refrigeration for refrigerator institute chilling requirement, the load of outdoor heat exchanger is reduced so that the function of refrigerator and air-conditioning can realize complementation,
Heat absorption and heat exchange energy can obtain more rational distribution, can effectively improve the empty operational energy efficiency for carrying refrigerator integrated machine, carry
High energy source utilization rate.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets implementation of the invention
Example, and be used to explain principle of the invention together with specification.
Fig. 1 is a kind of structural representation of air-conditioning refrigerator all-in-one of the embodiment of the present invention；And
Fig. 2 is a kind of flow chart of the progress control method of air-conditioning refrigerator all-in-one of the embodiment of the present invention.
Description of reference numerals：10th, compressor；20th, outdoor heat exchanger；30th, indoor heat exchanger；40th, refrigerator；41st, refrigeration area；
411st, chill space；412nd, freeze space；42nd, defrosting area；50th, four-way reversing valve；60th, throttling arrangement；01st, the first by-passing valve；02nd,
Two by-passing valves；1st, the first control valve；2nd, the second control valve；3rd, the 3rd control valve；4th, the 4th control valve；5th, the 5th control valve；6、
6th control valve；7th, the 7th control valve.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, it is electric, process and it is other changes.Embodiment
Only represent possible change.Unless explicitly requested, otherwise single components and functionality is optional, and the order for operating can be with
Change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The scope of bright embodiment includes the gamut of claims, and all obtainable of claims is equal to
Thing.Herein, each embodiment can individually or generally be represented that it is convenient that this is used for the purpose of with term " invention ",
And if in fact disclosing the invention more than, the scope for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, such as first and second or the like relational terms be used only for by an entity or operation with
Another entity or operation make a distinction, without requiring or implying between these entities or operation there is any actual relation
Or order.And, term " including ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that
So that process, method or equipment including a series of key elements not only include those key elements, but also including being not expressly set out
Other key elements, or also include be this process, method or the intrinsic key element of equipment.In the feelings without more limitations
Under condition, the key element limited by sentence "including a ...", it is not excluded that in the process including the key element, method or equipment
In also there is other identical element.Each embodiment herein is described by the way of progressive, and each embodiment is stressed
Be all difference with other embodiment, between each embodiment identical similar portion mutually referring to.For implementing
For example disclosed method, product etc., because it is corresponding with method part disclosed in embodiment, so the comparing of description is simple
Single, related part is referring to method part illustration.
As shown in figure 1, first embodiment of the invention, discloses a kind of air-conditioning refrigerator all-in-one, including compressor 10, outdoor
Heat exchanger 20, indoor heat exchanger 30 and refrigerator 40, refrigerator 40 include refrigeration area 41 and defrosting area 42, and refrigeration area 41 includes freeze space
412 and chill space 411, the correspondence freeze space 412 of defrosting area 42 is set, and bypass pipe is connected between compressor 10 and defrosting area 42
Road, the wherein exhaust outlet of compressor 10 are connected to the entrance in defrosting area 42 by bypass line, and the gas returning port of compressor 10 passes through
Bypass line is connected to the outlet in defrosting area 42.
In the present invention, the high temperature and high pressure gas in compressor 10 can flow into defrosting area 42, order solution by bypass line
Freeze temperature in area 42 to rise, reach the purpose of defrosting, the gas cooled down after defrosting can be exported and bypassed by defrosting area 42
Pipeline returns to and compression is re-started in compressor 10, therefore can not only save defrosting without electrical heating defrosting in the present invention
Cost, additionally it is possible to improve defrosting efficiency, reduces power consumption of thawing, it is to avoid the safety issue that electric leakage triggers occurs.
Optionally, as shown in figure 1, in the above-described embodiments, being provided with the bypass line of the exhaust ports of compressor 10
First by-passing valve 01, the aperture of the first by-passing valve 01 is adjustable.
In the above-described embodiments, can be by the HTHP in the folding control compressor 10 for controlling the first by-passing valve 01
Gas flow to defrosting area 42 by bypass line, by the aperture for controlling the first by-passing valve 01, additionally it is possible to which control flows into defrosting area
The flow of 42 high temperature and high pressure gas, can not only meet different defrosting demands, additionally it is possible to reach the effect of energy-conservation.
Optionally, as shown in figure 1, being provided with the second by-passing valve 02 on bypass line at the gas returning port of compressor 10,
The aperture of two by-passing valves 02 is adjustable.
In the above-described embodiments, by controlling the folding of the second by-passing valve 02, the gas stream in defrosting area 42 can be controlled
To in compressor 10, by the aperture for controlling the second by-passing valve 02, additionally it is possible to which control returns to gas in compressor 10 from defrosting area 42
The flow of body, can not only meet different defrosting demands, additionally it is possible to reach the effect of energy-conservation.
Optionally, changed as shown in figure 1, being connected with four-way between compressor 10 and indoor heat exchanger 30 and outdoor heat exchanger 20
To valve 50, refrigeration area 41 is connected to the first interface of four-way reversing valve 50, the first end of indoor heat exchanger 30 by the first pipeline
The first interface of four-way reversing valve 50 is connected to by the second pipeline, is connected between outdoor heat exchanger 20 and indoor heat exchanger 30
6th pipeline, the first end of the 6th pipeline is connected to outdoor heat exchanger 20, and the second end of the 6th pipeline is connected by the 3rd pipeline
To the second end of indoor heat exchanger 30, the second end of the 6th pipeline is connected to refrigeration area 41 by the 4th pipeline, indoor heat exchanger
30 first end is connected to the second interface of four-way reversing valve by the 5th pipeline, and the first control valve 1 is provided with the first pipeline,
The second control valve 2 is provided with second pipeline, the 3rd control valve 3 is provided with the 3rd pipeline, the 4th is provided with the 4th pipeline
Control valve 4, is provided with the 5th control valve 5 on the 5th pipeline, the 6th control valve 6 and throttling arrangement 60 is provided with the 6th pipeline.
In the above-described embodiments, control valve the 2, the 3rd to control valve the 3, the 6th to control valve 6 by opening second, and control four-way
Reversal valve 50, can control the switch of indoor heat exchanger 30, freeze and heat, and control valve the 1, the 6th to control valve by opening first
6 and the 4th control valve 4, can control the switch and refrigeration of refrigerator 40.Wherein, throttling arrangement 60 can be electric expansion valve, hair
The devices such as tubule, do not limit herein, as long as the purpose of throttling can be reached.
Optionally, as shown in figure 1, the second end of air-conditioning indoor heat exchanger 30 is also associated with the 7th pipeline, the 7th pipeline
The other end is connected on the 6th pipeline between the 6th control valve 6 and throttling arrangement 60, and the 7th control is provided with the 7th pipeline
Valve 7.
In the above-described embodiments, valve the 1, the 4th is controlled to control valve the 4, the 5th to control valve 5 and the 7th to control by opening first
Valve 7, can simultaneously open indoor heat exchanger and refrigerator, realize the refrigeration heated with refrigerator of indoor heat exchanger.
With reference to shown in referring to Fig. 1 and Fig. 2, a kind of operation controlling party of air-conditioning refrigerator all-in-one is the embodiment of the invention provides
Method, including：Electricity on control air-conditioning refrigerator all-in-one；Obtain the running status of air-conditioning refrigerator all-in-one；When air-conditioning refrigerator all-in-one
During refrigerating operaton, control first controls the control control control standard-sized sheet of valve 6 of valve the 3, the 6th of valve the 2, the 3rd of valve 1, second, the 4th control valve
4 open a/b, and the 5th control control valve 7 of valve 5 and the 7th is closed, and control outdoor heat exchanger 20, indoor heat exchanger 30 and refrigerator are opened
Open, the first by-passing valve of control and the second by-passing valve are closed, the high frequency operation of control compressor 10；Indoor environment temperature is obtained with setting
Temperature deviation pn between temperature；As temperature deviation pn<During T1, control first controls the control control valve of valve the 2, the 4th of valve 1, second
4 and the 6th control the standard-sized sheet of valve 6, the 3rd control valve 3 to open c/d, and control the 5th controls valve 5 and the 7th to control valve 7 to close, makes outdoor
Heat exchanger 20, indoor heat exchanger 30 and refrigerator are opened simultaneously, and the first by-passing valve of control and the second by-passing valve are closed, and control compressor
10 high frequencies run；When air-conditioning refrigerator all-in-one heating operation, control first controls the control control valve of valve the 4, the 5th of valve the 1, the 4th
5th, the 6th control control valve 7 of valve 6 and the 7th is opened, and the second control control valve 3 of valve the 2, the 3rd is closed, control outdoor heat exchanger 20,
Indoor heat exchanger 30 and refrigerator are opened, the high frequency operation of control compressor 10.
During air-conditioning refrigerator all-in-one operation refrigeration, control outdoor heat exchanger 20, indoor heat exchanger 30 and refrigerator
Together open, the exothermic condensation of outdoor heat exchanger 20, indoor heat exchanger 30 and refrigerator absorption refrigeration, due to now outdoor heat exchanger 20
Need to provide refrigeration institute chilling requirement to indoor heat exchanger 30 and refrigerator simultaneously, therefore, in order to ensure indoor heat exchanger 30 and refrigerator
Refrigerating efficiency, to control refrigerant be delivered to refrigerator flow the 4th control valve 4 adjusted, make its open part, together
Time control refrigeration matchmaker is delivered to the 3rd control standard-sized sheet of valve 3 of indoor heat exchanger 30, is changed such that it is able to make refrigerant flow mostly to interior
Hot device 30, is preferentially adjusted to indoor temperature, while slowly freezing to refrigerator.When indoor environment temperature and design temperature
Between deviation when reaching preset range, illustrate indoor temperature substantially it is adjusted in place, less cold can be expended just
The refrigeration needs of interior are disclosure satisfy that, therefore can now reduce the cold medium flux for flowing through indoor heat exchanger 30, increasing flows through ice
The cold medium flux of case so that the big portion of refrigerant is used for refrigeration for refrigerator, and small part maintains indoor refrigeration, due to now flowing through indoor heat exchange
The refrigerant of device 30 is reduced, and the refrigerant for flowing through refrigerator increases, therefore, it is possible to keep meeting in the case that cold medium flux is constant simultaneously
The requirement of indoor refrigeration and refrigeration for refrigerator so that the function of air-conditioning and refrigerator can be complementary, reduces energy charge, improves energy
Source utilization rate, improves the overall operation efficiency of refrigerator and air conditioner all-in-one.
When air-conditioning refrigerator all-in-one heating operation, control first controls valve 1, the 4th control valve 4, the 5th control valve 5, the
The six control control valves 7 of valve 6 and the 7th are opened, and the second control control valve 3 of valve the 2, the 3rd is closed, now outdoor heat exchanger 20, interior
Heat exchanger 30 and refrigerator run, and are connected with refrigerator after outdoor heat exchanger 20 and the parallel connection of indoor heat exchanger 30, using interior
The characteristics of refrigeration area heat absorption evaporation of heat exchanger 30 and the common exothermic condensation of outdoor heat exchanger 20 and refrigerator, by outdoor heat exchanger
20 and the operation of indoor heat exchanger 30 refrigeration for refrigerator institute chilling requirement is provided, reduce the load of outdoor heat exchanger 20 so that refrigerator
Complementation can be realized with the function of air-conditioning, heat absorption and heat exchange energy can obtain more rational distribution, can effectively improve sky
The operational energy efficiency of refrigerator integrated machine is carried, energy utilization rate is improved.A/b and c/d herein is the numerical value less than 1, specifically can be with
It is adjusted according to actual conditions.
The control control control standard-sized sheet of valve 6 of valve 4 and the 6th of valve the 2, the 4th of valve 1, second, the 3rd control valve are controlled in control first
After the step of 3 opening c/d, control control closing of valve 7 of valve 5 and the 7th of control the 5th, progress control method also includes：Obtain cold
Freeze the temperature of area 412 and chill space 411；When the temperature of freeze space 412 and chill space 411 reaches design temperature, control first
Control valve, the second control valve, the 3rd control valve, the 4th control control standard-sized sheet of valve 6 of valve 4 and the 6th, control the 5th control valve 5 and the
Seven control valves 7 are closed, and outdoor heat exchanger 20, indoor heat exchanger 30 and refrigerator is opened simultaneously, control the first by-passing valve and second
By-passing valve is closed, and controls the low-frequency operation of compressor 10.
When the temperature of freeze space 412 and chill space 411 reaches design temperature, because indoor temperature before is basic
On be adjusted in place, refrigerator inside freeze space 412 now and the temperature of chill space 411 also it is adjusted in place, therefore only need to compared with
Few refrigerating capacity is just able to maintain that current indoor temperature and freeze space 412 and the temperature of chill space 411, can now control pressure
The low-frequency operation of contracting machine 10, reduces the energy consumption of compressor 10.Due to the integrally cooling amount reduction needed for indoor heat exchanger 30 and refrigerator,
Even if therefore compressor 10 frequency reduction, indoor temperature and freeze space 412 and the temperature of chill space 411 will not also be caused compared with
Big influence, still can ensure that indoor temperature and freeze space 412 and the temperature of chill space 411 maintain target temperature range, carry
The operational energy efficiency of air-conditioning refrigerator integrated machine high, reduces its energy charge, save energy.
Progress control method also includes：As temperature deviation pn >=T1, control first controls the control of valve 1, second valve, the 3rd
Control valve and the 6th control standard-sized sheet of valve 6, control the 4th control valve 4 to open a/b, and control the 5th controls the control valve 7 of valve 5 and the 7th to close
Close, outdoor heat exchanger 20, indoor heat exchanger 30 and refrigerator is opened simultaneously, the first by-passing valve of control and the second by-passing valve are closed,
The high frequency operation of control compressor 10.
After air-conditioning refrigerator all-in-one start operation a period of time, if temperature deviation is still not up to setting range,
Illustrate that indoor temperature is not still adjusted in place, it is necessary to continue temperature in all one's effort quick regulation room, therefore now there is still a need for making cold
Matchmaker's major part flows to indoor heat exchanger 30, can continue to keep the 4th to control valve 4 to open a/b, so as to the flow to refrigerant enters
Row regulation and control.After indoor temperature is adjusted in place, it is possible to continue to be controlled each control valve according to above-mentioned control strategy,
To make indoor temperature and ice the temperature inside the box to adjust in place.
When the operation of air-conditioning refrigerator all-in-one is heated, also comprise the following steps；Detection refrigerator freezing area 412 and chill space
Whether 411 reach design temperature, or obtains the temperature deviation between indoor environment temperature and design temperature；When refrigerator freezing area
412 and chill space 411 reach design temperature or temperature deviation pn<During T2, control first controls the control valve the 4, the 5th of valve the 1, the 4th
The control control control valve 7 of valve 6 and the 7th of valve the 5, the 6th is opened, and control second controls the control valve 3 of valve 2 and the 3rd to close, and controls ice
Case 40 and indoor heat exchanger 30 are opened, the intermediate frequency operation of control compressor 10.
When the freeze space 412 of refrigerator 40 and chill space 411 reach design temperature or temperature deviation pn<During T2, refrigerator is illustrated
Interior cryogenic temperature reaches design temperature, or indoor temperature substantially achieves temperature needed for user, therefore now only needs to very
Few heat exchange amount is just able to maintain that current running status, now can carry out down conversion process to compressor 10 so that compressor
10 in intermediate frequency run such that it is able to so that in indoor temperature and refrigerator the temperature of freeze space 412 and chill space 411 reach will
Ask, or the temperature of interior is met user's request, the energy consumption of compressor 10 can also be reduced, improve air-conditioning refrigerator all-in-one
Work efficiency.
The step of being controlled to the running status of air-conditioning refrigerator all-in-one according to testing result also includes：Work as refrigerator freezing
Area and chill space reach design temperature and temperature deviation pn<During T2, control first control valve, the 4th control valve, the 5th control valve,
6th control valve and the 7th control valve opening, control second control valve and the 3rd control valve to close, and control refrigerator and indoor heat exchange
Device is opened, and controls compressor low-frequency operation.
When refrigerator freezing area and chill space reach design temperature and temperature deviation pn<During T2, the refrigeration temperature in refrigerator is illustrated
Energy needed for degree reaches design temperature and indoor temperature substantially achieves temperature needed for user, therefore the current running status of maintenance
Amount is less, now can proceed down conversion process to compressor 10 so that compressor 10 is in low-frequency operation such that it is able to make
The temperature for obtaining freeze space 412 and chill space 411 in indoor temperature and refrigerator reaches requirement, while making the temperature of interior meet user
Demand, can also further reduce the energy consumption of compressor 10, improve the work efficiency of air-conditioning refrigerator all-in-one.
The step of being controlled to the running status of air-conditioning refrigerator all-in-one according to testing result also includes：Work as refrigerator freezing
Area and chill space reach design temperature and temperature deviation pn<During T2, control first controls the control valve the 4, the 5th of valve the 1, the 4th to control
The control control valve 7 of valve 6 and the 7th of valve the 5, the 6th is opened, and control second controls the control valve 3 of valve 2 and the 3rd to close, and controls refrigerator 40
Opened with indoor heat exchanger 30, control the low-frequency operation of compressor 10.
In the middle of each above-mentioned embodiment, a/b is that 1/4, c/d is that 1/4, T1 is 1 DEG C, and T2 is 2 DEG C, and these numerical value are
It is that bright the solution of the present invention is done to be limited for example, not formed to technical scheme, in actual control process
In, these numerical value can be adjusted according to actual condition.
It should be appreciated that the invention is not limited in the flow and structure that are described above and be shown in the drawings,
And can without departing from the scope carry out various modifications and changes.The scope of the present invention is only limited by appended claim
System.
Claims (7)
1. a kind of progress control method of air-conditioning refrigerator all-in-one, it is characterised in that including：
Electricity on control air-conditioning refrigerator all-in-one；
Obtain the running status of air-conditioning refrigerator all-in-one；
When air-conditioning refrigerator all-in-one refrigerating operaton, control first controls valve, the second control valve, the 3rd control valve, the 6th control
Valve standard-sized sheet, the 4th control valve opens a/b, and the 5th control valve and the 7th control valve are closed, control outdoor heat exchanger, indoor heat exchanger
Opened with refrigerator, the first by-passing valve of control and the second by-passing valve are closed, the high frequency operation of control compressor；
Obtain the temperature deviation pn between indoor environment temperature and design temperature；
As temperature deviation pn<During T1, control first controls valve, the second control valve, the 4th control valve and the 6th control valve standard-sized sheet, the
Three control valves open c/d, and control the 5th controls valve and the 7th control valve to close, makes outdoor heat exchanger, indoor heat exchanger and refrigerator
Open simultaneously, the first by-passing valve of control and the second by-passing valve are closed, the high frequency operation of control compressor；
When air-conditioning refrigerator all-in-one heating operation, control first controls valve, the 4th control valve, the 5th control valve, the 6th control
Valve and the 7th control valve are opened, and the second control valve, the 3rd control valve are closed, control outdoor heat exchanger, indoor heat exchanger and refrigerator
Open, the high frequency operation of control compressor.
2. progress control method according to claim 1, it is characterised in that control first control valve, the second control valve,
4th control valve and the 6th control valve standard-sized sheet, the 3rd control valve open c/d, and control the 5th controls what valve and the 7th control valve were closed
After step, the progress control method also includes：
Obtain the temperature of freeze space and chill space；
When the temperature of freeze space and chill space reaches design temperature, control first controls valve, the second control valve, the 3rd control
Valve, the 4th control valve and the 6th control valve standard-sized sheet, control the 5th control valve and the 7th control valve to close, and make outdoor heat exchanger, room
Interior heat exchanger and refrigerator are opened simultaneously, and the first by-passing valve of control and the second by-passing valve are closed, and control compressor low-frequency operation.
3. progress control method according to claim 1, it is characterised in that the progress control method also includes：
As temperature deviation pn >=T1, control first controls valve, the second control valve, the 3rd control valve and the 6th control valve standard-sized sheet,
The 4th control valve is controlled to open a/b, control the 5th controls valve and the 7th control valve to close, makes outdoor heat exchanger, indoor heat exchanger
Opened simultaneously with refrigerator, the first by-passing valve of control and the second by-passing valve are closed, the high frequency operation of control compressor.
4. progress control method according to claim 1, it is characterised in that when air-conditioning refrigerator all-in-one heating operation,
Valve, the 4th control valve, the 5th control valve, the 6th control valve and the 7th control valve is controlled to open in control first, the second control valve,
After 3rd control valve is closed, the progress control method also includes：
Whether detection refrigerator freezing area and chill space reach design temperature, or
Obtain the temperature deviation between indoor environment temperature and design temperature；
When refrigerator freezing area and chill space reach design temperature or temperature deviation pn<During T2, control first controls valve, the 4th control
Valve, the 5th control valve, the 6th control valve and the 7th control valve are opened, and control second controls valve and the 3rd control valve to close, control
Refrigerator and indoor heat exchanger are opened, the intermediate frequency operation of control compressor.
5. progress control method according to claim 4, it is characterised in that when refrigerator freezing area and chill space reach setting
Temperature and temperature deviation pn<During T2, control first controls valve, the 4th control valve, the 5th control valve, the 6th control valve and the 7th control
Valve processed is opened, and control second controls valve and the 3rd control valve to close, and control refrigerator and indoor heat exchanger are opened, and control compressor is low
Frequency runs.
6. progress control method according to claim 1, it is characterised in that a/b be 1/4, T1 for 1 DEG C, c/d is 1/4.
7. progress control method according to claim 4, it is characterised in that T2 is 2 DEG C.
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| CN2096031U (en) * | 1990-12-12 | 1992-02-12 | 陈杰然 | Separatable freezing box and air conditioner |
| CN1225995A (en) * | 1998-02-28 | 1999-08-18 | 吴国奇 | Multi-function refrigerator-ice case |
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| CN106931671B (en) | 2019-10-01 |
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