CN106949650A - Freezer air-conditioning system - Google Patents

Freezer air-conditioning system Download PDF

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Publication number
CN106949650A
CN106949650A CN201710250338.6A CN201710250338A CN106949650A CN 106949650 A CN106949650 A CN 106949650A CN 201710250338 A CN201710250338 A CN 201710250338A CN 106949650 A CN106949650 A CN 106949650A
Authority
CN
China
Prior art keywords
machine
outer machine
conditioning system
air
interior
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710250338.6A
Other languages
Chinese (zh)
Inventor
李庆
梁爽
梁爽一
邹温锋
杨虹
卫广穹
李金奎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201710250338.6A priority Critical patent/CN106949650A/en
Publication of CN106949650A publication Critical patent/CN106949650A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00Compression machines, plants or systems with non-reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention provides a kind of freezer air-conditioning system.According to the freezer air-conditioning system of the present invention, including interior machine and outer machine, interior machine is connected with outer machine, and the inside machine of outer machine is powered, and exchanges data with interior machine.The interior machine of the cold storage air conditioning system is directly powered by outer machine, and interior machine can carry out data exchange with outer machine, realize integrative control, and it is reliable that the air-conditioning system installs simple operation.

Description

Freezer air-conditioning system
Technical field
The present invention relates to apparatus of air conditioning field, in particular to a kind of freezer air-conditioning system.
Background technology
As shown in figure 1, the refrigeration plant used by whole walk-in refrigerator industry is typically all the difference using different manufacturers at present Equipment, Assembling is formed, outer machine (such as condensation unit 1), interior machine 5 (such as air-cooler), the temperature controller 7 of storehouse, throttling element (such as heating power expansion valve 4), magnetic valve 3 are provided by different manufacturers respectively.Be present wiring complexity in this assembly model, debug numerous Trivial (plus filling refrigerant etc.), runs unreliable (such as internal-external machine is mismatched, and can not be communicated, and throttling element type selecting is excessive or too small etc.) etc. A series of problems.Dotted line represents data cube computation in Fig. 1, and solid line represents that pipeline is connected.During work, outer machine is controlled by outer mainboard 2. Outer mainboard 2 and the data cube computation of magnetic valve 3.Interior machine 5 is controlled by interior mainboard 6, interior mainboard 6 and interior machine 5 and the data of magnetic valve 3 Connection, interior mainboard 6 is arranged in temperature controller 7, and the temperature in the detection storehouse of temperature controller 7 is simultaneously transferred to interior mainboard 6, interior mainboard 6 is controlled according to the internal machine 5 of data and magnetic valve 3 of detection.
The content of the invention
The present invention is intended to provide a kind of can install simple, reliable freezer air-conditioning system.
The invention provides a kind of freezer air-conditioning system, it includes interior machine and outer machine, and interior machine is connected with outer machine, and outer machine Inside machine is powered, and exchanges data with interior machine.
Alternatively, freezer air-conditioning system also includes control mainboard, and control mainboard is set on outer machine or interior machine, with outer machine Pass through control mainboard and interior machine data cube computation.
Alternatively, outer machine includes electric expansion valve, and electric expansion valve is connected by pipeline with interior machine, control mainboard and electronics Expansion valve is connected, and controls the aperture of electric expansion valve.
Alternatively, outer machine also includes condenser, and condenser is connected with interior machine and electric expansion valve by pipeline respectively.
Alternatively, outer machine also includes compressor, and compressor is connected with condenser pipe, and control mainboard connects with compressor data Connect, and control compressor.
Alternatively, outer machine also includes handheld manipulator, handheld manipulator and control mainboard data cube computation.
Alternatively, described interior machine includes blower fan, and outer machine also includes the outer machine air switch and outer machine being connected with external power source The control mainboard relay of air switch electrical connection and the outer machine terminal plate being connected with control mainboard relay, outer machine wiring The live wire connection of plate and blower fan, and inwardly machine is powered.
Alternatively, described interior machine includes blower fan, and outer machine also includes outer machine air switch, the Yi Jiyu being connected with external power source The outer machine terminal plate of outer machine air switch connection, the zero line connection of outer machine terminal plate and blower fan, and inwardly machine is powered.
Alternatively, described interior machine include electric heating unit, outer machine also include be connected with external power source outer machine air switch, The control mainboard relay electrically connected with outer machine air switch and the outer machine terminal plate being connected with control mainboard relay, outside Zero line and the live wire connection of machine terminal plate and electric heating unit, and inwardly machine is powered.
According to the freezer air-conditioning system of the present invention, using outer machine, directly inwardly machine is powered, and carries out data friendship with interior machine Change, realize the control in the lump of interior machine and outer machine, interior machine, the outer machine in the prior art of solving individually control the working effect caused not It is good, control bad, the insecure problem of operation.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic block diagram of freezer air-conditioning system in the prior art;
Fig. 2 is the structural schematic block diagram of the freezer air-conditioning system according to the present invention.
Description of reference numerals:
Prior art:
1st, the condensation unit of outer machine;2nd, outer mainboard;3rd, magnetic valve;4th, heating power expansion valve;5th, interior machine;6th, interior mainboard; 7th, temperature controller;
The present invention:
10th, control mainboard;22nd, condenser;21st, electric expansion valve;30th, interior machine;40th, handheld manipulator.
Embodiment
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Fig. 2 embodiments in accordance with the present invention, freezer air-conditioning system includes interior machine 30 and outer machine, interior machine 30 with Outer machine is connected, and the inside machine 30 of outer machine is powered, and exchanges data with interior machine 30.The freezer air-conditioning system of embodiments of the invention Using outer machine, directly inwardly machine is powered, and carries out data exchange with interior machine 30, is realized the control in the lump of interior machine 30 and outer machine, is solved Interior machine, outer machine individually control the working effect caused not good in the prior art, control bad, run insecure problem.
The freezer of the present invention is particularly suitable for use in walk-in refrigerator with air-conditioning system, for the temperature in freezer to be adjusted and controlled System.Realized in Fig. 2 and represent pipeline connection, dotted line represents data cube computation.
In the present embodiment, freezer also includes control mainboard 10 with air-conditioning system, and control mainboard 10 is set in outer machine or interior On machine 30, outer machine passes through control mainboard 10 and the data cube computation of interior machine 30.Entered using machine 30 in 10 pairs of a control mainboard and outer machine Row control, it is to avoid interior machine is mismatched with outer machine and can not communicated, the problem of independent control effect caused is bad.Avoid outer Machine and interior machine 30 individually control the problem of outer machine caused can not control compressor etc. in real time according to temperature in storehouse.
In the present embodiment, control mainboard 10 is set in outer machine.Outer machine space is relatively abundant, and control mainboard 10 is arranged on More facilitate arrangement in outer machine, can avoid interfering with miscellaneous part.Certainly, in other embodiments, control mainboard 10 also may be used To be arranged in interior machine 30.
In the present embodiment, outer machine includes compressor, condenser 22 and electric expansion valve 21 etc..Compressor and condenser 22 Pipeline is connected, and compressor is transported to after refrigerant is pressurizeed in condenser 22.The evaporator of condenser 22 and interior machine 30 passes through pipeline Connection, the evaporator and electric expansion valve 21 of interior machine 30 are connected by pipeline.During work, refrigerant flows out from condenser 22, leads to Pipeline is crossed into the evaporator in interior machine 30, refrigerant evaporation endothermic in evaporator.Also include blower fan in interior machine 30, blower fan will be through The Air blowing of pervaporation device, realizes refrigeration.Refrigerant in evaporator is by electric expansion valve 21, into compressor.
In the present embodiment, interior machine also includes electric heating unit.Electric heating unit can be heated as needed, interior machine 30 blower fan is by by the Air blowing of electric heating unit, and realization is heated.
Control mainboard 10 and electric expansion valve 21, compressor, interior machine 30 etc. are connected.Control mainboard 10 receives electric expansion valve 21st, the data message of compressor and interior machine 30 etc., and according to the aperture of these data messages control electric expansion valve 21, compressor Start and stop etc..
Preferably, outer machine also includes handheld manipulator 40, handheld manipulator 40 and the data cube computation of control mainboard 10.User is led to Control instruction can be manually entered to control mainboard 10 by crossing handheld manipulator 40, make control mainboard 10 according to the control instruction of input It is controlled, for example, setting temperature etc. in storehouse by handheld manipulator 40.Handheld manipulator 40 can pass through wired mode Carry out data transmission with control mainboard 10, can also wirelessly carry out data transmission.
The mode that the outer inside machine 30 of machine is powered includes but is not limited to following manner:
The blower fan and electric heating unit of interior machine power for it is single-phase when, outer machine also includes the outer machine air that is connected with external power source Switch, the control mainboard relay electrically connected with outer machine air switch and the outer machine wiring being connected with control mainboard relay Plate, outer machine terminal plate is connected with the live wire of the blower fan of interior machine 30, and inwardly machine 30 is powered.
Outer machine also includes the outer machine air switch being connected with external power source and connect with the outer machine that outer machine air switch is connected Line plate, outer machine terminal plate is connected with the zero line of the blower fan of interior machine 30, and inwardly machine 30 is powered.
Outer machine also includes the outer machine air switch being connected with external power source, the control mainboard electrically connected with outer machine air switch Relay and the outer machine terminal plate being connected with control mainboard relay, outer machine terminal plate and the zero of the interior electric heating unit of machine 30 Line and live wire connection, and inwardly machine 30 is powered.
When the blower fan and electric heating unit of interior machine 30 are powered as three-phase, the concrete mode of power supply can be determined as needed, As long as ensureing that outer machine directly supplies electricity to interior machine 30.
The freezer air-conditioning system of the present invention needs script the magnetic valve 3 and throttling element of the main fluid path of engineering type selection installation (mechanical heating power expansion valve) is substituted for the electric expansion valve 21 that can be shut and is directly arranged in outer machine, and one is combined into outer machine The action of each part is controlled in body, outer machine using control mainboard 10 (micro computer mainboard).It will directly be currently used in individually control The temperature controller 7 (being used to control temperature in storehouse) of machine 30 removes, and a whole set of air-conditioning system is all controlled by the control mainboard 10 of outer machine System, interior machine 30, outer machine and each valve member all only obey the order of control mainboard 10, and interior machine 30 is directly powered by outer machine.
Such a control mode thoroughly changes interior machine 30 and the respective control respectively of outer machine, and besides machine is not communicated interior machine 30, air-conditioning The control model that system can not be freezed according to true storehouse temperature.Realize and be uniformly controlled, can be according to the actual temperature of storehouse Degree is controlled, and control promptness is more preferable.
The air-conditioning system of the present invention secures interior machine 30 and outer machine is configured (for example, condenser, blower fan, throttling element, refrigerant Amount, adapter caliber etc.), a full set of refrigeration plant used by walk-in refrigerator is all matched, should select interior machine without user, outer Machine, will also select throttling element and storehouse temperature controller, live need not more add and fill refrigerant debugging, all components are all to match one by one, Operational reliability is greatly improved.Can also thoroughly solve user's type selecting it is improper cause storehouse temperature drop do not get off and underload air conditioner The problems such as group easy low-voltage variation.
Air-conditioning system of the present invention is completely according to true storehouse temperature control compressor action, it is to avoid interior machine 30 and outer machine difference The outer machine existed during control can only lean on pressure of inspiration(Pi) control compressor action, cause high frequent start-stop, both it is unreliable less The problem of energy-conservation.Particularly for frequency-changeable compressor, air-conditioning system can add and subtract load according to true load in storehouse, thoroughly change Storehouse temperature is conformed to caused by outer machine can only lean on pressure of inspiration(Pi) regulation compressor frequency when machine 30 and outer machine are controlled respectively in becoming Ask, and compressor also loading, or storehouse temperature be less than, begin to off-load, it is impossible to the problem of corresponding with true load.
Had the following technical effect that according to the freezer of the present invention with air-conditioning system:
Air-conditioning system secures whole configurations of air-conditioning system (especially walk-in refrigerator complete set of equipments) (for example, condenser, wind Machine, throttling element, coolant quantity, adapter caliber etc.);The control program of air-conditioning system is improved simultaneously, and a whole set of air-conditioning system is all by setting The control mainboard control in outer machine is put, interior machine and outer machine and each valve member all only obey the order of one brain of control mainboard, top The pattern that machine and outer machine are individually controlled in current split air conditioner is covered.It can be carried or startup-shutdown, kept away according to true load plus-minus in storehouse Air-conditioning system operational reliability is greatly improved in non-electrical while waste, installation is simple, exempt from debugging.
The refrigeration plant solved in the prior art used by walk-in refrigerator industry is typically all the distinct device using different manufacturers, Assembling is formed, outer machine (such as condensation unit), interior machine (such as blower fan), storehouse temperature controller, throttling element (such as heating power expansion valve) point Provided by different manufacturers.Wiring is complicated when causing assembling, debugs cumbersome (need plus fill refrigerant etc.), operation is unreliable (such as Interior machine is mismatched with outer machine, and can not be communicated, and throttling element type selecting is excessive or too small etc.) a series of problems, such as.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (9)

1. a kind of freezer air-conditioning system, it is characterised in that including interior machine (30) and outer machine, the interior machine (30) and the outer machine Connection, and the outer machine is to interior machine (30) power supply, and exchange data with the interior machine (30).
2. freezer air-conditioning system according to claim 1, it is characterised in that the freezer also includes control with air-conditioning system Mainboard (10) processed, the control mainboard (10) is arranged on the outer machine or the interior machine (30), and the outer machine passes through the control Mainboard (10) processed and interior machine (30) data cube computation.
3. freezer air-conditioning system according to claim 2, it is characterised in that the outer machine includes electric expansion valve (21), the electric expansion valve (21) is connected by pipeline with the interior machine (30), the control mainboard (10) and the electronics Expansion valve (21) is connected, and controls the aperture of the electric expansion valve (21).
4. freezer air-conditioning system according to claim 3, it is characterised in that the outer machine also includes condenser (22), The condenser (22) is connected with the interior machine (30) and the electric expansion valve (21) by pipeline respectively.
5. freezer air-conditioning system according to claim 4, it is characterised in that the outer machine also includes compressor, described Compressor is connected with the condenser (22) pipeline, the control mainboard (10) and the compressor data cube computation, and controls institute State compressor.
6. freezer air-conditioning system according to claim 2, it is characterised in that the outer machine also includes handheld manipulator (40), the handheld manipulator (40) and the control mainboard (10) data cube computation.
7. the freezer air-conditioning system according to any one of claim 2 to 6, it is characterised in that described interior machine (30) bag Include blower fan, outer machine air switch that the outer machine also includes being connected with external power source, electrically connected with the outer machine air switch Control mainboard relay and the outer machine terminal plate being connected with the control mainboard relay;The outer machine terminal plate with it is described The live wire connection of blower fan, and powered to the interior machine (30).
8. the freezer air-conditioning system according to any one of claim 2 to 6, it is characterised in that described interior machine (30) bag Blower fan is included, the outer machine also includes the outer machine air switch being connected with external power source and is connected with the outer machine air switch Outer machine terminal plate, the outer machine terminal plate is connected with the zero line of the blower fan, and powered to the interior machine (30).
9. the freezer air-conditioning system according to any one of claim 2 to 6, it is characterised in that described interior machine (30) bag Electric heating unit is included, the outer machine also includes the outer machine air switch being connected with external power source and the outer machine air switch electricity The control mainboard relay of connection and the outer machine terminal plate being connected with the control mainboard relay, the outer machine terminal plate It is connected, and is powered to the interior machine (30) with the zero line and live wire of the electric heating unit.
CN201710250338.6A 2017-04-17 2017-04-17 Freezer air-conditioning system Pending CN106949650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710250338.6A CN106949650A (en) 2017-04-17 2017-04-17 Freezer air-conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710250338.6A CN106949650A (en) 2017-04-17 2017-04-17 Freezer air-conditioning system

Publications (1)

Publication Number Publication Date
CN106949650A true CN106949650A (en) 2017-07-14

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ID=59476151

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710250338.6A Pending CN106949650A (en) 2017-04-17 2017-04-17 Freezer air-conditioning system

Country Status (1)

Country Link
CN (1) CN106949650A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2231782Y (en) * 1995-06-07 1996-07-24 梁嘉麟 Independent refrigerator capable of constituting small frostless freezer
CN105157171A (en) * 2015-08-28 2015-12-16 珠海格力电器股份有限公司 Control method and control system of air conditioning system
CN206861905U (en) * 2017-04-17 2018-01-09 珠海格力电器股份有限公司 Freezer air-conditioning system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2231782Y (en) * 1995-06-07 1996-07-24 梁嘉麟 Independent refrigerator capable of constituting small frostless freezer
CN105157171A (en) * 2015-08-28 2015-12-16 珠海格力电器股份有限公司 Control method and control system of air conditioning system
CN206861905U (en) * 2017-04-17 2018-01-09 珠海格力电器股份有限公司 Freezer air-conditioning system

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