CN209386646U - A kind of industry control refrigeration frequency-changing control system - Google Patents
A kind of industry control refrigeration frequency-changing control system Download PDFInfo
- Publication number
- CN209386646U CN209386646U CN201820317338.3U CN201820317338U CN209386646U CN 209386646 U CN209386646 U CN 209386646U CN 201820317338 U CN201820317338 U CN 201820317338U CN 209386646 U CN209386646 U CN 209386646U
- Authority
- CN
- China
- Prior art keywords
- frequency
- direct current
- current generator
- expansion valve
- electric expansion
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a kind of industry controls to refrigerate frequency-changing control system, including power supply, frequency-variable controller, frequency-changeable compressor, condenser, evaporator, electric expansion valve and direct current generator, the direct current generator includes the first direct current generator and the second direct current generator, the both ends of frequency-variable controller are connected with power supply and frequency-changeable compressor respectively, the other end of frequency-changeable compressor is connected with four-way valve, four-way valve is also connected with evaporator and condenser, evaporator is connected with electric expansion valve and the first direct current generator respectively, condenser is connected with electric expansion valve and the second direct current generator respectively, frequency-variable controller respectively with electric expansion valve, first direct current generator and the second direct current generator are electrically connected.This product freezes to refrigerator using frequency-variable controller, frequency-changeable compressor and electric expansion valve, frequency-variable controller acquires user's design temperature and cabinet body temperature carries out frequency conversion refrigeration, freezed using electronic expansion valve regulation cold medium flux, refrigeration effect is fast, has energy-saving effect when long-play.
Description
Technical field
The utility model relates to refrigerator frequency conversion field, specifically a kind of industry control refrigerates frequency-changing control system.
Background technique
Food is that everyone requires edible article daily, and in order to reduce away the number bought vegetables, people can be disposable
It buys many foods to go home and be placed in refrigerator or refrigerator to refrigerate, refrigeration is food after cooling in refrigeration temperature
A kind of method for preserving of preserved food mainly makes their vital metabolic particularly with fruits and vegetables under degree (often above freezing)
Process delays as far as possible, keeps its freshness.Compare the refrigeration that has both of refrigerator, and refrigerator is just used exclusively for the electricity of refrigeration
Device, main function are to guarantee that the fresh therefore fresh-keeping effect of chilled food is important to choose foundation as one.According to section
On the one hand credit analysis needs cabinet interior to have constant temperature strong " freezing power ", on the other hand, needs to keep the fresh of food
Air cleaning in Keep cool cabinet is fresh, this just has very high requirement to the control of refrigerator.
Existing market refrigerator uses fixed-frequency control device, carries out throttling refrigeration using capillary, compressor is pressed using fixed frequency
Contracting machine, the time that this refrigeration system reaches set temperature needs is long, and energy consumption is higher in working long hours, this is just people's
Using bringing inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of industry controls to refrigerate frequency-changing control system, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of industry control refrigeration frequency-changing control system, including power supply, frequency-variable controller, frequency-changeable compressor, condenser, evaporation
Device, electric expansion valve and direct current generator, the direct current generator include the first direct current generator and the second direct current generator, frequency-variable controller
Both ends be connected respectively with power supply and frequency-changeable compressor, the other end of frequency-changeable compressor is connected with four-way valve, four-way valve also with steaming
Hair device is connected with condenser, and evaporator is connected with electric expansion valve and the first direct current generator respectively, and condenser is swollen with electronics respectively
Swollen valve and the second direct current generator are connected, frequency-variable controller respectively with electric expansion valve, the first direct current generator and the second direct current generator
It is electrically connected.
As a further solution of the present invention: evaporator uses fin structure, condenser uses shell and tube condenser.
As a further solution of the present invention: the first direct current generator and the second direct current generator are all made of brushless motor.
Compared with prior art, the utility model has the beneficial effects that this product uses frequency-variable controller, frequency-changeable compressor
Freeze with electric expansion valve to refrigerator, frequency-variable controller acquires user's design temperature and cabinet body temperature carries out frequency conversion system
It is cold, while intelligently adjusting cold medium flux using electric expansion valve and freezing, refrigeration effect is fast, has energy conservation when long-play
Effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that industry control refrigerates frequency-changing control system.
Wherein: 1- power supply, 2- frequency-variable controller, 3- frequency-changeable compressor, 4- evaporator, 5- four-way valve, 6- electric expansion valve,
7- condenser, the first direct current generator of 8-, the second direct current generator of 9-.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Referring to Fig. 1, a kind of industry control refrigerates frequency-changing control system, including power supply 1, frequency-variable controller 2, frequency-changeable compressor 3,
Condenser 7, evaporator 4, electric expansion valve 6 and direct current generator, the direct current generator include the first direct current generator 8 and the second direct current
Motor 9, the both ends of frequency-variable controller 2 are connected with power supply 1 and frequency-changeable compressor 3 respectively, the other end and four-way of frequency-changeable compressor 3
Valve 5 be connected, four-way valve 5 is also connected with evaporator 4 and condenser 7, evaporator 4 respectively with electric expansion valve 6 and the first direct current
Machine 8 be connected, condenser 7 is connected with electric expansion valve 6 and the second direct current generator 9 respectively, frequency-variable controller 2 respectively with electronic expansion
Valve 6, the first direct current generator 8 and the second direct current generator 9 are electrically connected.Evaporator 4 uses fin structure, and condenser 7 uses tubulation
Formula condenser.First direct current generator 8 and the second direct current generator 9 are all made of brushless motor.
The working principle of the utility model is: electric expansion valve 6 is in refrigerator according to delivery temperature, outdoor environment temperature
And frequency-changeable compressor 3 running frequency adjusts aperture algorithm.When frequency-changeable compressor 3 is opened, first judged according to outdoor environment temperature
In which warm area, it is directly entered the warm area；Enter refrigeration mode if temperature changes later, temperature change value is necessary
More than or equal to 2 DEG C of current warm area ceiling temperature or it is less than or equal to 1 DEG C of current warm area lower limit temperature, can just enters another warm area；Temperature
Area's judgement in every 3 minutes is primary, in 3 minutes if when temperature change exceeds adjacent interval, is according to outdoor environment temperature judgement
Which warm area is directly entered the warm area, limits without 2 DEG C of upper and lower bounds.
Outdoor environment temperature T4It is shown in Table 1.
The subregion of 1 outdoor environment temperature of table
| Temperature | Refrigeration temperature area |
| T420 DEG C of < | Refrigeration temperature area one |
| 20≤T425 DEG C of < | Refrigeration temperature area two |
| 25≤T440 DEG C of < | Refrigeration temperature area three |
| 40≤T4 | Refrigeration temperature area four |
Freeze each warm area and heating warm area four to seven electric expansion valve 6 control formula: TTarget=aF+b.Wherein TTargetIt is
Target exhaust temperature, (greater than the minimum value of electric expansion valve 6, less than 100)；F is 3 running frequency of frequency-changeable compressor；A is frequency
Coefficient (is accurate to 2 significant digits, range 0~2.55)；B is constant (integer, range -120~130).
Electric expansion valve 6 is to determine once for every 3 minutes with the adjusting of delivery temperature.Temperature variations are shown in Table 2.
2 temperature variations of table
| Δ T range | Aperture calculation formula |
| TTarget-TIt is practical≥6 | K2=K1*(1-3c) |
| 6 > TTarget-TIt is practical≥4 | K2=K1*(1-2c) |
| 4 > TTarget-TIt is practical> 2 | K2=K1*(1-c) |
| 2≥TTarget-TIt is practical≥-2 | It is failure to actuate |
| - 2 > TTarget-TIt is practical> -4 | K2=K1*(1+d) |
| -4≥TTarget-TIt is practical> -6 | K2=K1*(1+2d) |
| TTarget-TIt is practical≤-6 | K2=K1*(1+3d) |
K1It is the current aperture of electric expansion valve 6；K2Be electric expansion valve 6 target aperture (calculated value is rounded downwards, meter
Error is calculated within 2 steps)；C is coefficient (is accurate to 2 significant digits, range 0≤c≤0.1)；D is that coefficient (is accurate to small
Two after several points, range 0≤d≤0.1).
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (3)
1. a kind of industry control refrigerates frequency-changing control system, which is characterized in that including power supply, frequency-variable controller, frequency-changeable compressor, condensation
Device, evaporator, electric expansion valve and direct current generator, the direct current generator include the first direct current generator and the second direct current generator, are become
The both ends of frequency controller are connected with power supply and frequency-changeable compressor respectively, and the other end of frequency-changeable compressor is connected with four-way valve, four-way
Valve is also connected with evaporator and condenser, and evaporator is connected with electric expansion valve and the first direct current generator respectively, condenser difference
Be connected with electric expansion valve and the second direct current generator, frequency-variable controller respectively with electric expansion valve, the first direct current generator and second
Direct current generator is electrically connected.
2. industry control according to claim 1 refrigerates frequency-changing control system, which is characterized in that the evaporator uses fin knot
Structure, condenser use shell and tube condenser.
3. industry control according to claim 1 refrigerates frequency-changing control system, which is characterized in that first direct current generator and the
Two direct current generators are all made of brushless motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820317338.3U CN209386646U (en) | 2018-03-07 | 2018-03-07 | A kind of industry control refrigeration frequency-changing control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820317338.3U CN209386646U (en) | 2018-03-07 | 2018-03-07 | A kind of industry control refrigeration frequency-changing control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209386646U true CN209386646U (en) | 2019-09-13 |
Family
ID=67868275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820317338.3U Active CN209386646U (en) | 2018-03-07 | 2018-03-07 | A kind of industry control refrigeration frequency-changing control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209386646U (en) |
-
2018
- 2018-03-07 CN CN201820317338.3U patent/CN209386646U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101937247B (en) | Air cooling refrigerator as well as moisture-preservation control method and system thereof | |
| CN104964506B (en) | A kind of refrigerator for carrying defrosting room | |
| CN202853232U (en) | Double function refrigerator capable of simultaneous refrigeration and heating | |
| CN103591749B (en) | A kind of wind-cooling electric refrigerator and refrigerating method thereof with three-circulation refrigerating system | |
| CN105371557B (en) | A kind of refrigerator and controlling method for refrigerator | |
| CN108151433A (en) | Temprature control method, temperature control equipment, refrigeration equipment and readable storage medium storing program for executing | |
| CN105526762B (en) | The temperature and coupling progress control method of the double refrigerating circuit refrigerators of double-compressor | |
| CN106568269B (en) | Refrigerator | |
| CN105020961A (en) | Cold accumulation fresh-keeping storehouse and fresh-keeping method | |
| CN209386646U (en) | A kind of industry control refrigeration frequency-changing control system | |
| CN108020010A (en) | A kind of door handle for refrigerator | |
| CN110108074A (en) | A kind of energy-saving and frequency-variable deep cooling refrigerator | |
| CN106403490A (en) | Refrigerator temperature control method and refrigerator | |
| CN105202852A (en) | High efficiency and energy conversation-based refrigeration cycle system of refrigerator and control method thereof | |
| CN202133228U (en) | Double-temperature controlled refrigerator | |
| CN203550389U (en) | Air cooling refrigerator with three-circulation refrigeration system | |
| CN104713288A (en) | Refrigerator having independent temperature control chamber | |
| CN209541251U (en) | A kind of novel household refrigerator-freezer | |
| CN106766576A (en) | A kind of refrigeration system with automatic defrosting system | |
| CN110500837A (en) | A kind of assembled refrigerator system and its working method | |
| CN209085103U (en) | With refrigeration the energy conservation unit, middle temp, refrigerating system for exempting white function | |
| CN2332298Y (en) | Timing steamer with cold storage device | |
| CN112050530A (en) | Refrigerator and control method thereof | |
| Phuchamniphatthananun et al. | A smart domestic refrigerator with energy efficiency improvement | |
| CN206760623U (en) | A kind of small-sized low temperature and high relative humidity alternating temperature air thawing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |