CN107354240A - A kind of refrigerated constant temperature control method and incubator - Google Patents
A kind of refrigerated constant temperature control method and incubator Download PDFInfo
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
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- 238000007906 compression Methods 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 210000001364 upper extremity Anatomy 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 2
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- 238000005057 refrigeration Methods 0.000 abstract description 9
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- 239000000047 product Substances 0.000 description 21
- 238000001514 detection method Methods 0.000 description 6
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009396 hybridization Methods 0.000 description 2
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- 241000196324 Embryophyta Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003471 mutagenic agent Substances 0.000 description 1
- 231100000707 mutagenic chemical Toxicity 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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- 238000012856 packing Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
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Abstract
The present invention relates to a kind of refrigerated constant temperature control method and incubator, methods described to include：Step S1：The temperature inside the box and set temperature value are cultivated before detecting frequency-changeable compressor operation；Step S2：Set the frequency conversion condition of frequency-changeable compressor；Step S3：After frequency-changeable compressor starts, operational factor in incubator is gathered；Step S4：According to incubator running body parameter and frequency conversion condition, judge whether to be adjusted frequency-changeable compressor frequency, and according to output control frequency-changeable compressor.Its advantage is shown：According to the running frequency of operational factor adjust automatically frequency-changeable compressor in user's design temperature and casing, and the time continuously run according to current frequency by gathering current operation frequency and frequency-changeable compressor weighs loading condition in casing, product is set to enter suitable mode of operation, avoid frequency-changeable compressor long-time constant speed from running and cause the slow or refrigeration that cools excessively to cause temperature overshot phenomenon, the service life and temperature control effect of product are effectively improved, while reduces energy consumption.
Description
Technical field
The present invention relates to frequency conversion refrigeration technology field, is a kind of refrigerated constant temperature control method and incubator specifically
Background technology
In the experimental study of life science and the production process of biological technology products, it is often necessary to carry out necessary biochemical anti-
Should, hybridization reaction, organism cultivates (including zooblast, the culture of plant cell and microorganism) and utilizes above-mentioned culture
Organism carries out the production of biological technology products.These biochemical reactions, hybridization reaction and organism culture need to provide suitably
Temperature, necessary gas (organism needs oxygen and carbon dioxide when cultivating) and sufficiently mixing.Therefore, existing collection
Corresponding incubator is have devised in technology.
Current incubator product, especially constant temperature and humidity class product, refrigeration system using frequency frequency-changeable compressor is determined, adopt by temperature control
With frequency-changeable compressor work and heater working method.Following defect be present in this mode：
1. temperature control is inaccurate：The same rotating speed of frequency-changeable compressor, only exists ON/OFF both of which, is matched with warming and humidifying surely
Constant temperature degree, temperature overshot phenomenon be present.
2. frequency-changeable compressor and heater frequent starting, associated short part lifetimes, product oeverall quality decline.
3. the operation of frequency-changeable compressor constant speed matches temperature control with heater, energy consumption is larger.
Chinese patent literature CN201510439616.3, the applying date 20150723, patent name is：Matrix form water jacket culture
Case and its control method, driven a kind of matrix form water jacketed mcubator, including m group incubators, per tissue culture support case include n parallel connection
Sub- incubator, m*n matrix form casing groups are formed, described m, n are the integer not less than 2；Detection is provided with sub- incubator
The detection means of culture environment, water system of the every group of incubator with air supply system and temperature-controllable are connected, detection means, confession
Gas system and water system are connected with controller, and the signal that controller feeds back according to detection means automatically adjusts every tissue culture and supported
The culture environment of case.
In above-mentioned patent document, signal that controller feeds back according to detection means is independent, automatically adjusts every group of incubator
Culture environment, it is possible to achieve more sub- incubators infinitely splice, and concentrate to support every tissue culture packing list and solely supply water and supply and control culture
Environment, realize the high efficiency culture of cell.The invention also provides a kind of control method of matrix form water jacketed mcubator, passes through the party
The culture environment of the separately adjustable every group of incubator of method.But on providing a kind of control method of refrigerated constant temperature, reach control temperature
The purpose of degree, frequency frequency-changeable compressor refrigeration is determined so as to cause applied in incubator product, solving prior art and can only use
The long poor refrigerating efficiencies of frequency-changeable compressor run time and the more technical scheme of the technical problem of power consumption, then without corresponding public
Open.
In summary, it is desirable to provide a kind of refrigerated constant temperature control method, reach the purpose of control temperature, applied to incubator
In product, solve prior art and can only use and determine frequency frequency-changeable compressor refrigeration so as to cause frequency-changeable compressor run time mistake
Long poor refrigerating efficiencies and the more technical problem of power consumption.And the method on this refrigerated constant temperature yet there are no report.
The content of the invention
The purpose of the present invention is to be directed to deficiency of the prior art, there is provided a kind of refrigerated constant temperature control method, reaches control
The purpose of temperature, frequency frequency-changeable compressor refrigeration is determined so as to lead applied in incubator product, solving prior art and can only use
The long poor refrigerating efficiencies of mutagens frequency compressor operating time and the more technical problem of power consumption.
Another purpose of the present invention is to provide a kind of incubator of refrigerated constant temperature.
To achieve the above object, the present invention adopts the technical scheme that：
A kind of refrigerated constant temperature control method, the described method comprises the following steps：
Step S1：The temperature inside the box and set temperature value are cultivated before detecting frequency-changeable compressor operation；
Step S2：Set the frequency conversion condition of frequency-changeable compressor；
Step S3：After frequency-changeable compressor starts, operational factor in incubator is gathered；
Step S4：According to incubator running body parameter and frequency conversion condition, judge whether to adjust frequency-changeable compressor frequency
It is whole, and according to output control frequency-changeable compressor.
As a kind of perferred technical scheme, in step S1, the temperature inside the box and set temperature value before frequency-changeable compressor operation
Difference DELTA T1 is negative value, if so, stopping to send frequency-changeable compressor signal, heater operation control temperature, if it is not, sequentially entering
Step S2, step S3, step S4.
As a kind of perferred technical scheme, step S2, middle frequency-changeable compressor raising frequency condition include condition one and condition two：
Condition one：Frequency-changeable compressor is continuously run with low frequency and pre-sets time t1；Or frequency-changeable compressor is with middle frequency
Continuous operation pre-sets time t2；
Condition two：Current the temperature inside the box is higher than the target temperature of preset value and the difference of the temperature inside the box and target temperature reaches
The difference DELTA T2 pre-seted；
Condition one and condition two are judged respectively, often meet a condition, then controls the current fortune of frequency-changeable compressor
Line frequency rises one grade；Condition is unsatisfactory for, then frequency-changeable compressor keeps current frequency operation.
As a kind of perferred technical scheme, step S3 is specially：Frequency-changeable compressor current operation frequency is gathered, and to working as
Preceding frequency run time carries out timing, and when frequency-changeable compressor is out of service or frequency-changeable compressor frequency changes, timing is clear
Zero, reclocking；Simultaneously at interval of acquisition time collection culture the temperature inside the box of preset value.
As a kind of perferred technical scheme, following steps are specifically included in step S4：
Step S41：Pre-set temperature difference Δ T2 in time t1.t2. goal box；
Step S42：When frequency-changeable compressor current operation frequency is low frequency, and continuous operating time reaches t1, frequency conversion pressure
Contracting unit frequency rises one grade；Or frequency-changeable compressor current operation frequency is middle frequency, and continuous operating time reaches t2, frequency conversion
Compressor frequency rises one grade；Or when frequency-changeable compressor current frequency is high-frequency, then holding frequency-changeable compressor is according to high frequency
Rate is run.
Step S43：Often gather once current the temperature inside the box, judge current the temperature inside the box whether higher than target set temperature and
Whether current storehouse temperature reaches the difference DELTA T2 pre-seted with target set temperature, if so, frequency-changeable compressor frequency rises one
Shelves, if it is not, keeping the operation of frequency-changeable compressor current frequency.
Step S44：Step S41, step S42, step S43 are parallel and each self-loopa is carried out, until reaching setting value, frequency conversion
Compressor stops.
To realize above-mentioned second purpose, the present invention adopts the technical scheme that：
A kind of incubator of refrigerated constant temperature, described incubator include casing, sensor, heater, evaporator, humidification
Device, condenser, capillary, frequency-changeable compressor, frequency conversion board；Described sensor is arranged on box house；Under the sensor
Side sets heater, and heater is U-shape, and evaporator is set in the lower section of heater；Described evaporator has two extractions
End, one exit of evaporator and capillary, which are established, to be connected, and the other end of capillary is connected with condenser, evaporator it is another
Individual exit is connected with frequency-changeable compressor；Described frequency conversion compression sets side and is provided with frequency conversion board, and the opposite side of frequency-changeable compressor connects
Connect condenser；Described frequency-changeable compressor and condenser is respectively positioned on bottom half；The lower edge of the evaporator is provided with humidifier.
As a kind of perferred technical scheme, the model JXPR-01 of the frequency conversion board；The frequency conversion board is provided with raising frequency
Setting module, operational factor acquisition module, raising frequency module；The raising frequency setting module is used to set frequency-changeable compressor raising frequency bar
Part；Described operational factor acquisition module includes reclocking after being used to change frequency-changeable compressor current frequency；And operation ginseng
Number acquisition module is additionally operable to certain interval of time and gathers the temperature inside the box；Described raising frequency module includes the first judging unit, second
Judging unit, control unit；The first described judging unit is used to judging whether frequency-changeable compressor to be run and continuous with low frequency
Run time reaches t1；Judge whether frequency-changeable compressor is run with middle frequency, and continuous operating time reaches t2, and whether with
High-frequency is run, and according to judged result, generation control instruction is sent to control unit；The second described judging unit is used to judge
Whether the current the temperature inside the box gathered each time is higher than target set point temperature and temperature difference reaches Δ T2, and is tied according to judgement
Fruit, generation control instruction are sent to control unit；Described control unit is used to control frequency-changeable compressor to rise on the current frequency
One grade of the first control instruction and control frequency-changeable compressor keep the second instruction of current frequency.
As a kind of perferred technical scheme, described incubator also includes condenser, casing, inner bag, external door, control cabinet
Face board, inner bag windward guidance tape, blower fan, web plate parting bead, rear cover of box plate, protective cover, inner bag leeward guidance tape, castor, rear protective cover,
Frequency-changeable compressor, foamed plate；The casing top is provided with control cabinet, and the outside of control cabinet is provided with control cabinet face board；The control
The lower square box of case face board is provided with external door；The bottom half is provided with protective cover；The castor is arranged on bottom half four
On individual angle；
Condenser and frequency-changeable compressor are installed, and the outside of the protective cover of frequency-changeable compressor side is provided with the protective cover
Protective cover afterwards；The upper limb of the protective cover is provided with foamed plate；The web plate that is provided with of the foamed plate puts bar, and bar institute shape is put in web plate
Into space in inner bag is installed, cabinet wall is corresponding with inner bag to be provided with inner bag windward guidance tape and inner bag leeward guidance tape；
The casing top is provided with blower fan close to the opening position of control cabinet, and the lower edge of the blower fan is provided with electrothermal tube, described
The lower section installation evaporator of electrothermal tube.
The invention has the advantages that：
1st, the control method and incubator of a kind of refrigerated constant temperature of the invention, can in incubator product in use, according to
The running frequency of operational factor adjust automatically frequency-changeable compressor in user's design temperature and casing, and by gathering current operation
The time that frequency and frequency-changeable compressor are continuously run according to current frequency weighs loading condition in casing, product is entered suitably
Mode of operation, avoid frequency-changeable compressor long-time constant speed from running and cause cooling is slow or refrigeration is excessive to cause temperature overshot to show
As, the service life and temperature control effect of product are effectively improved, while energy consumption is reduced, so as to provide product competitiveness in the market.
Brief description of the drawings
Accompanying drawing 1 is a kind of FB(flow block) of refrigerated constant temperature control method of the present invention.
Accompanying drawing 2 is a kind of incubator structural representation of refrigerated constant temperature of the present invention.
Accompanying drawing 3 is frequency conversion board structured flowchart.
Accompanying drawing 4 is the incubator main view direction schematic diagram in embodiment 3.
Accompanying drawing 5 is the right apparent direction schematic diagram of incubator in embodiment 3.
Embodiment
Embodiment provided by the invention is elaborated below in conjunction with the accompanying drawings.
The reference and part being related in accompanying drawing are as follows：
1. the sensor of casing 2.
3. the evaporator of heater 4.
5. the humidifier of capillary 6.
7. the frequency conversion board of frequency-changeable compressor 8.
9. the inner bag of condenser 10.
11. the control cabinet of external door 12.
13. the inner bag windward guidance tape of control cabinet face board 14.
15. the web plate parting bead of blower fan 16.
17. the protective cover of rear cover of box plate 18.
19. the castor of inner bag leeward guidance tape 20.
22. foamed plate of protective cover after 21.
23. electrothermal tube
Embodiment 1：
Fig. 1 is refer to, Fig. 1 is a kind of FB(flow block) of refrigerated constant temperature control method of the present invention.A kind of refrigerated constant temperature control
Method processed, the described method comprises the following steps：
Step S1：The temperature inside the box and set temperature value are cultivated before detecting frequency-changeable compressor operation；
Step S2：Set the frequency conversion condition of frequency-changeable compressor 7；
Step S3：After frequency-changeable compressor 7 starts, operational factor in incubator is gathered；
Step S4：According to the culture operational factor of casing 1 and frequency conversion condition, judge whether to adjust frequency-changeable compressor frequency
It is whole, and according to output control frequency-changeable compressor 7.
In step S1, the temperature inside the box and set temperature value difference DELTA T1 are negative value before frequency-changeable compressor 7 is run, if so, in
Only send the signal of frequency-changeable compressor 7, heater operation control temperature, if it is not, sequentially entering step S2, step S3, step S4；
In the present embodiment preferably：Before the start of frequency-changeable compressor 7, detection the temperature inside the box and predetermined temperature difference Δ T1, Δ T1>0, enter
The mode of operation of frequency-changeable compressor 7, Δ T1《0, into the mode of operation of heater 3.
Step S2, the middle raising frequency condition of frequency-changeable compressor 7 include condition one and condition two：
Condition one：Frequency-changeable compressor 7 is continuously run with low frequency and pre-sets time t1；Or frequency-changeable compressor 7 is with intermediate frequency
Continuously operation pre-sets time t2 to rate, and the preferably low frequency of frequency-changeable compressor 7 continuously runs the time t1 pre-seted in the present embodiment
For 1H；Or continuously to pre-set time t2 be 0.5H to frequency for operation in frequency-changeable compressor 7；
Condition two：Current the temperature inside the box is higher than the target temperature of preset value and the difference of the temperature inside the box and target temperature reaches
The difference DELTA T2 pre-seted, the preferred culture temperature of casing 1 is higher than design temperature 2 DEG C in this implementation；
Condition one and condition two are judged respectively, often meet a condition, then controls the current fortune of frequency-changeable compressor 7
Line frequency rises one grade；Condition is unsatisfactory for, then frequency-changeable compressor 7 keeps current frequency operation.In addition, the gear of frequency-changeable compressor 7
Divide six gears, low frequency corresponds to the gear 2 of 7 gear of frequency-changeable compressor 1., the middle gear 5 of 3. gear of frequency respective notch 4., high frequency
Rate respective notch 6.In this schematic diagram in signified senior middle school's low frequency, specifically from which shelves, depending on product.
Step S3 is specially：The current operation frequency of frequency-changeable compressor 7 is gathered, and current frequency run time is counted
When, when frequency-changeable compressor 7 is out of service or the frequency of frequency-changeable compressor 7 changes, timing is reset, reclocking；It is simultaneously every
It is spaced acquisition time collection culture the temperature inside the box of preset value.
Following steps are specifically included in step S4：
Step S41：Pre-set time t1.t2. target the temperature inside the box temperature difference Δs T2；
Step S42：When the current operation frequency of frequency-changeable compressor 7 is low frequency, and continuous operating time reaches t1, frequency conversion pressure
The frequency of contracting machine 7 rises one grade；Or the current operation frequency of frequency-changeable compressor 7 is middle frequency, and continuous operating time reaches t2, becomes
The frequency of frequency compressor 7 rises one grade；Or when the current frequency of frequency-changeable compressor 7 is high-frequency, then keep frequency-changeable compressor 7 according to
High-frequency is run；In the present embodiment preferably：When frequency-changeable compressor 7 continuously runs 1H with low frequency, the frequency of frequency-changeable compressor 7 rises
One grade, when frequency-changeable compressor continuously runs 0.5H with middle frequency, the frequency of frequency-changeable compressor 7 rises one grade, when frequency-changeable compressor with
When high-frequency is run, the rotating speed of frequency-changeable compressor 7 keeps constant.
Step S43：Often gather once current the temperature inside the box, judge current the temperature inside the box whether higher than target set temperature and
Whether current storehouse temperature reaches the difference DELTA T2 pre-seted with target set temperature, if so, the frequency of frequency-changeable compressor 7 rises one
Shelves, if it is not, keeping the operation of the current frequency of frequency-changeable compressor 7；In the present embodiment preferably：At interval of temperature in 0.5H collection incubators
Degree, if culture the temperature inside the box is higher than 2 DEG C of (Δ T2 of design temperature>2), the frequency of frequency-changeable compressor 7 rises one grade.
Step S44：Step S41, step S42, step S43 are parallel and each self-loopa is carried out, until reaching setting value, frequency conversion
Compressor 7 stops.
A kind of control method of refrigerated constant temperature of the present invention, can be in incubator product in use, being set according to user
The running frequency of operational factor adjust automatically frequency-changeable compressor 7 in temperature and casing 1, and by gathering current operation frequency and change
The time that frequency compressor is continuously run according to current frequency weighs loading condition in casing 1, product is entered suitable Working mould
Formula, avoids the long-time constant speed of frequency-changeable compressor 7 from running and causing cooling slowly or freezing excessively causes temperature overshot phenomenon, has
Effect improves the service life and temperature control effect of product, while reduces energy consumption, so as to provide product competitiveness in the market.
Embodiment 2：
Fig. 2 is refer to, Fig. 2 is a kind of incubator structural representation of refrigerated constant temperature of the present invention.A kind of refrigerated constant temperature
Incubator, described incubator include casing 1, sensor 2, heater 3, evaporator 4, humidifier 6, condenser 9, capillary 5,
Frequency-changeable compressor 7, frequency conversion board 8；Described sensor 2 is arranged on inside casing 1；The lower section of the sensor 2 sets heater
3, heater 3 is U-shape, and evaporator 4 is set in the lower section of heater 3；Described evaporator 4 has two exits, evaporation
4 one exits of device and capillary 5, which are established, to be connected, and the other end of capillary 5 is connected with condenser 9, evaporator 4 another
Exit is connected with frequency-changeable compressor 7；Described frequency conversion compression sets side and is provided with frequency conversion board 8, and the opposite side of frequency-changeable compressor 7 connects
Connect condenser 9；Described frequency-changeable compressor 7 and condenser 9 is respectively positioned on the bottom of casing 1；The lower edge of the evaporator 4, which is provided with, to be added
Wet device 6.
Fig. 3 is refer to, Fig. 3 is the structured flowchart of frequency conversion board 8.The model JXPR-01 of the frequency conversion board 8；The frequency conversion board 8
It is provided with raising frequency setting module, operational factor acquisition module, raising frequency module；The raising frequency setting module is used to set frequency conversion compression
The raising frequency condition of machine 7；Described operational factor acquisition module include be used for the current frequency of frequency-changeable compressor 7 change after again based on
When；And operational factor acquisition module is additionally operable to certain interval of time and gathers the temperature inside the box；Described raising frequency module is sentenced including first
Disconnected unit, the second judging unit, control unit；Whether the first described judging unit is used to judge frequency-changeable compressor 7 with low frequency
Rate is run and continuous operating time reaches t1；Judge whether frequency-changeable compressor 7 is run with middle frequency, and continuous operating time reaches
T2, and whether run with high-frequency, according to judged result, generation control instruction is sent to control unit；Described second is sentenced
Current the temperature inside the box that disconnected unit is used to judge to gather each time whether is higher than target set point temperature and temperature difference reaches Δ T2,
And control unit is sent to according to result of determination, generation control instruction；Described control unit is used to control frequency-changeable compressor 7 to exist
Current frequency rises one grade of the first control instruction and control frequency-changeable compressor 7 keeps the second instruction of current frequency.
Constant temperature refrigeration incubator in the embodiment, can be in incubator product in use, according to user's design temperature
And in casing 1 operational factor adjust automatically frequency-changeable compressor 7 running frequency, and by gathering current operation frequency and frequency conversion pressure
The time that contracting machine 7 is continuously run according to current frequency weighs loading condition in casing 1, product is entered suitable mode of operation,
Avoid the long-time constant speed of frequency-changeable compressor 7 from running and cause the slow or refrigeration that cools excessively to cause temperature overshot phenomenon, effectively
The service life and temperature control effect of product are improved, while reduces energy consumption, so as to provide product competitiveness in the market.
Embodiment 3
Refer to Fig. 4 and Fig. 5, a kind of incubator of refrigerated constant temperature, described incubator also include inner bag 10, external door 11,
Control cabinet face board 13, inner bag windward guidance tape 14, blower fan 15, web plate parting bead 16, rear cover of box plate 17, protective cover 18, inner bag leeward
Guidance tape 19, castor 20, rear protective cover 21, foamed plate 22；The top of casing 1 is provided with control cabinet 12, and the outside of control cabinet 12 is set
There is control cabinet face board 13；The lower square box 1 of control cabinet face board 13 is provided with external door 11；
The bottom of casing 1 is provided with protective cover 18；Condenser 9 and frequency-changeable compressor 7 are installed in the protective cover 18, and
The outside of the protective cover 18 of the side of frequency-changeable compressor 7 is provided with rear protective cover 21；The upper limb of the protective cover 18 is provided with foamed plate 22；
The web plate that is provided with of the foamed plate 22 puts bar, is put in web plate and inner bag 10 is installed in the space that bar formed, the inwall of casing 1 with it is interior
Courage 10 is provided with inner bag windward guidance tape 14 and inner bag leeward guidance tape 19 accordingly；
The top of casing 1 is provided with blower fan 15 close to the opening position of control cabinet 12, and the lower edge of the blower fan 15 is provided with electric heating
Pipe 23, the lower section installation evaporator 4 of the electrothermal tube 23.
The present embodiment is substantially the same manner as Example 2, is that the step that carries out for implementing 2 is improved and supplemented.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of the inventive method is not departed from, can also make some improvement and supplement, and these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (8)
1. a kind of refrigerated constant temperature control method, it is characterised in that the described method comprises the following steps：
Step S1：The temperature inside the box and set temperature value are cultivated before detecting frequency-changeable compressor operation；
Step S2：Set the frequency conversion condition of frequency-changeable compressor；
Step S3：After frequency-changeable compressor starts, operational factor in incubator is gathered；
Step S4：According to incubator running body parameter and frequency conversion condition, judge whether to be adjusted frequency-changeable compressor frequency, and
According to output control frequency-changeable compressor.
2. refrigerated constant temperature control method according to claim 1, it is characterised in that in step S1, frequency-changeable compressor operation
Preceding the temperature inside the box and set temperature value difference DELTA T1 are negative value, if so, stopping to send frequency-changeable compressor signal, heater operation
Temperature is controlled, if it is not, sequentially entering step S2, step S3, step S4.
3. refrigerated constant temperature control method according to claim 1, it is characterised in that step S2, middle frequency-changeable compressor raising frequency
Condition includes condition one and condition two：
Condition one：Frequency-changeable compressor is continuously run with low frequency and pre-sets time t1；Or frequency-changeable compressor is continuous with middle frequency
Operation pre-sets time t2；
Condition two：Current the temperature inside the box is higher than the target temperature of preset value and the difference of the temperature inside the box and target temperature reaches default
The difference DELTA T2 put；
Condition one and condition two are judged respectively, often meet a condition, then controls the current operation frequency of frequency-changeable compressor
Rate rises one grade；Condition is unsatisfactory for, then frequency-changeable compressor keeps current frequency operation.
4. refrigerated constant temperature control method according to claim 1, it is characterised in that step S3 is specially：Gather frequency conversion pressure
Contracting machine current operation frequency, and timing is carried out to current frequency run time, when frequency-changeable compressor is out of service or frequency conversion pressure
Contracting unit frequency is changed, and timing is reset, reclocking；Simultaneously at interval of temperature in the acquisition time collection incubator of preset value
Degree.
5. refrigerated constant temperature control method according to claim 1, it is characterised in that following step is specifically included in step S4
Suddenly：
Step S41：Pre-set temperature difference Δ T2 in time t1.t2. goal box；
Step S42：When frequency-changeable compressor current operation frequency is low frequency, and continuous operating time reaches t1, frequency-changeable compressor
Frequency rises one grade；Or frequency-changeable compressor current operation frequency is middle frequency, and continuous operating time reaches t2, frequency conversion compression
Unit frequency rises one grade；Or when frequency-changeable compressor current frequency is high-frequency, then holding frequency-changeable compressor is transported according to high-frequency
OK；
Step S43：Current the temperature inside the box is often gathered once, judges whether current the temperature inside the box higher than target sets temperature and current
Whether storehouse temperature reaches the difference DELTA T2 pre-seted with target set temperature, if so, frequency-changeable compressor frequency rises one grade, if
It is no, keep the operation of frequency-changeable compressor current frequency；
Step S44：Step S41, step S42, step S43 are parallel and each self-loopa is carried out, until reach setting value, frequency conversion compression
Machine stops.
6. a kind of incubator of refrigerated constant temperature, it is characterised in that described incubator includes casing, sensor, heater, evaporation
Device, humidifier, condenser, capillary, frequency-changeable compressor, frequency conversion board；Described sensor is arranged on box house；The sensing
The lower section of device sets heater, and heater is U-shape, and evaporator is set in the lower section of heater；Described evaporator has two
Individual exit, one exit of evaporator is established with capillary and connected, and the other end of capillary is connected with condenser, evaporator
Another exit be connected with frequency-changeable compressor；Described frequency conversion compression sets side and is provided with frequency conversion board, frequency-changeable compressor it is another
Side connects condenser；Described frequency-changeable compressor and condenser is respectively positioned on bottom half；The lower edge of the evaporator is provided with
Humidifier.
7. refrigerated constant temperature incubator according to claim 6, it is characterised in that the model JXPR-01 of the frequency conversion board；
The frequency conversion board is provided with raising frequency setting module, operational factor acquisition module, raising frequency module；The raising frequency setting module is used to set
Determine frequency-changeable compressor raising frequency condition；Described operational factor acquisition module is included after being used to change frequency-changeable compressor current frequency
Reclocking；And operational factor acquisition module is additionally operable to certain interval of time and gathers the temperature inside the box；Described raising frequency module includes
First judging unit, the second judging unit, control unit；The first described judging unit be used for judge frequency-changeable compressor whether with
Low frequency is run and continuous operating time reaches t1；Judge whether frequency-changeable compressor is run with middle frequency, and continuous operating time
Reach t2, and whether run with high-frequency, according to judged result, generation control instruction is sent to control unit；Described
Whether current the temperature inside the box that two judging units are used to judge to gather each time reaches higher than target set point temperature and temperature difference
Δ T2, and control unit is sent to according to result of determination, generation control instruction；Described control unit is used to control frequency conversion to compress
Machine rises one grade of the first control instruction on the current frequency and control frequency-changeable compressor keeps the second instruction of current frequency.
8. refrigerated constant temperature incubator according to claim 6, it is characterised in that described incubator also include condenser,
Under casing, inner bag, external door, control cabinet face board, inner bag windward guidance tape, blower fan, web plate parting bead, rear cover of box plate, protective cover, inner bag
Air duct board, castor, rear protective cover, frequency-changeable compressor, foamed plate；The casing top is provided with control cabinet, is set on the outside of control cabinet
There is control cabinet face board；The lower square box of control cabinet face board is provided with external door；The bottom half is provided with protective cover；
Condenser and frequency-changeable compressor be installed in the protective cover, and the outside of the protective cover of frequency-changeable compressor side be provided with after protect
Shield；The castor is arranged on four angles of bottom half；The upper limb of the protective cover is provided with foamed plate；The peace of the foamed plate
Bar is put equipped with web plate, is put in web plate in the space that bar formed and inner bag is installed, cabinet wall is corresponding with inner bag to be provided with inner bag
Windward guidance tape and inner bag leeward guidance tape；
The casing top is provided with blower fan close to the opening position of control cabinet, and the lower edge of the blower fan is provided with electrothermal tube, the electric heating
The lower section installation evaporator of pipe.
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| CN110029060A (en) * | 2019-04-28 | 2019-07-19 | 祝亚琴 | Constant incubator is used in a kind of experiment |
| CN113701400A (en) * | 2021-08-30 | 2021-11-26 | 广东纽恩泰新能源科技发展有限公司 | Control method for frequency conversion dual-combined heat pump module online |
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| CN116501109A (en) * | 2023-06-27 | 2023-07-28 | 湖南安泰康成生物科技有限公司 | Temperature control method, device, system, electronic equipment and storage medium |
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Application publication date: 20171117 |