CN105043008A - Inverter refrigerator, low-temperature compensation system thereof and low-temperature compensation control method - Google Patents
Inverter refrigerator, low-temperature compensation system thereof and low-temperature compensation control method Download PDFInfo
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- CN105043008A CN105043008A CN201510514827.9A CN201510514827A CN105043008A CN 105043008 A CN105043008 A CN 105043008A CN 201510514827 A CN201510514827 A CN 201510514827A CN 105043008 A CN105043008 A CN 105043008A
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Abstract
The invention discloses a low-temperature compensation system of an inverter refrigerator, the inverter refrigerator with the low-temperature compensation system and a low-temperature compensation control method. The low-temperature compensation system comprises a first working circuit, a second working circuit and a temperature controller. The first working circuit comprises a frequency conversion control panel and a compressor connected with the frequency conversion control panel. The second working circuit comprises a compensation heater. The temperature controller is connected with the first working circuit and the second working circuit. When the environment temperature is smaller than the preset temperature and the compressor is stopped, the temperature controller selects the second working circuit to be switched on, and the compensation heater works to compensate for heat loads in refrigerator chambers. The system can effectively solve the problem that the inverter refrigerator is not started under the low-temperature environment.
Description
Technical field
The present invention relates to refrigerator technical field, particularly relate to the low temp compensating control method of a kind of low temp compensating system of frequency conversion refrigerator, a kind of frequency conversion refrigerator and a kind of frequency conversion refrigerator.
Background technology
Such as, when refrigerator uses at low ambient temperatures, when using refrigerator in the winter time, because environment temperature is lower, make the variations in temperature of refrigerator indoor slow, be therefore easy to cause refrigerator to start work, thus cause refrigerator not freeze, affect Consumer's Experience.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention is to propose a kind of low temp compensating system that effectively can solve the frequency conversion refrigerator that refrigerator does not at low ambient temperatures start.
Another object of the present invention is to propose a kind of frequency conversion refrigerator.Another object of the present invention is the low temp compensating control method proposing a kind of frequency conversion refrigerator.
For achieving the above object, one aspect of the present invention embodiment proposes a kind of low temp compensating system of frequency conversion refrigerator, comprising: the first performance loop, the compressor that described first performance loop comprises VFC plate, is connected with described VFC plate; Second performance loop, described second performance loop comprises compensating heater; Temperature controller; described temperature controller is connected with described second performance loop with described first performance loop respectively; wherein; when environment temperature be less than preset temperature and described compressor shutdown time; described temperature controller selects described second performance loop to connect, and described compensating heater carries out work to compensate the thermic load in refrigerator compartment.
According to the low temp compensating system of the frequency conversion refrigerator of the embodiment of the present invention; when environment temperature be less than preset temperature and compressor shutdown time; temperature controller selects the second performance loop to connect; compensating heater carries out work to compensate the thermic load in refrigerator compartment; thus effectively reduce the downtime of compressor; improve the running rate of compressor, ensure that compressor can normally start at low ambient temperatures, and then ensure that frequency conversion refrigerator can meet refrigeration demand in wide environmental temperature range.
According to one embodiment of present invention, when described environment temperature is less than described preset temperature and described compressor needs to start shooting, described temperature controller selects described first performance loop to connect, and described compressor starts under the control of described VFC plate, and described compensating heater is in off-position.
According to one embodiment of present invention, described second performance loop also comprises the compensating switch be connected in series with described compensating heater, described compensating switch is in normally off when described environment temperature is less than described preset temperature, and is in normally open when described environment temperature is more than or equal to described preset temperature.
According to one embodiment of present invention, described compensating switch is thermoswitch.
For achieving the above object, the present invention on the other hand embodiment proposes a kind of frequency conversion refrigerator, and it comprises the low temp compensating system of above-mentioned frequency conversion refrigerator.
This frequency conversion refrigerator is by above-mentioned low temp compensating system; effectively can reduce the downtime of compressor; improve the running rate of compressor, ensure that compressor can normally start at low ambient temperatures, and then ensure that frequency conversion refrigerator can meet refrigeration demand in wide environmental temperature range.
For achieving the above object, another aspect of the invention embodiment proposes a kind of low temp compensating control method of frequency conversion refrigerator, and wherein, frequency conversion refrigerator comprises above-mentioned low temp compensating system, and described low temp compensating control method, comprises the following steps: testing environment temperature; When described environment temperature is less than preset temperature, judge whether compressor shuts down; If described compressor shutdown, described temperature controller selects described second performance loop to connect, and described compensating heater carries out work to compensate the thermic load in refrigerator compartment.
According to the low temp compensating control method of the frequency conversion refrigerator of the embodiment of the present invention; when environment temperature is less than preset temperature; judge whether compressor shuts down; and after judging compressor shutdown; temperature controller selects the second performance loop to connect; compensating heater carries out work to compensate the thermic load in refrigerator compartment; thus effectively reduce the downtime of compressor; improve the running rate of compressor; ensure that compressor can normally start at low ambient temperatures, and then ensure that frequency conversion refrigerator can meet refrigeration demand in wide environmental temperature range.
According to one embodiment of present invention, when described environment temperature is less than described preset temperature and described compressor needs to start shooting, described temperature controller selects described first performance loop to connect, and described compressor starts under the control of described VFC plate, and described compensating heater is in off-position.
Accompanying drawing explanation
Fig. 1 is the block diagram of the low temp compensating system of frequency conversion refrigerator according to an embodiment of the invention.
Fig. 2 is the block diagram of the low temp compensating system of frequency conversion refrigerator in accordance with another embodiment of the present invention.
Fig. 3 is the flow chart of the low temp compensating control method of frequency conversion refrigerator according to the embodiment of the present invention.
Reference numeral: the first performance loop L1, the second performance loop L2, VFC plate 11, compressor 12, compensating heater 21, compensating switch 22 and temperature controller 30.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
The low temp compensating control method of the low temp compensating system of the frequency conversion refrigerator proposed according to the embodiment of the present invention, frequency conversion refrigerator and frequency conversion refrigerator is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of the low temp compensating system of frequency conversion refrigerator according to an embodiment of the invention.As shown in Figure 1, the low temp compensating system of this frequency conversion refrigerator comprises: the first performance loop L1, the second performance loop L2 and temperature controller 30.
Wherein, the compressor 12 that first performance loop L1 comprises VFC plate 11, is connected with VFC plate 11; second performance loop L2 comprises compensating heater 21; temperature controller 30 is connected with the second performance loop L2 with the first performance loop L1 respectively; when environment temperature is less than preset temperature and compressor 12 is shut down; temperature controller 30 selects the second performance loop L2 to connect, and compensating heater 21 carries out work to compensate the thermic load in refrigerator compartment.
In an embodiment of the present invention, preset temperature can be demarcated according to actual conditions, and such as preset temperature can be 10-15 DEG C.
According to one embodiment of present invention, when environment temperature is less than preset temperature and compressor 12 needs to start shooting, temperature controller 30 selects the first performance loop L1 to connect, and compressor 12 starts under the control of VFC plate 11, and compensating heater 21 is in off-position.
Particularly, frequency conversion refrigerator at low ambient temperatures as environment temperature be less than 15 DEG C work time, when the temperature in frequency conversion refrigerator refrigerating chamber reaches user's design temperature, compressor is by out of service, temperature in refrigerating chamber and the difference comparsion between environment temperature little (being generally less than 10 DEG C), make the rate of rise in temperature in refrigerating chamber slow, thus the number of starts of compressor in frequency conversion refrigerator is significantly reduced, but because the difference comparsion of the temperature in refrigerating chamber and environment temperature is large, temperature-rise ratio in refrigerating chamber is very fast, when the number of starts of compressor significantly reduces, the temperature made in refrigerating chamber cannot be reached requirement, therefore, in an embodiment of the present invention, when environment temperature is lower, namely environment temperature is less than preset temperature, and when compressor 12 is shut down, selection second performance loop L2 connects by temperature controller 30, now compensating heater 21 is started working, to compensate thermic load indoor between frequency conversion refrigerator, the temperature in refrigerating chamber is made to increase fast, when the temperature in refrigerating chamber reaches uniform temperature value, need to control compressor 12 to start to start work, now temperature controller 30 selects the first performance loop L1 to connect, compressor 12 starts and starts working under the control of VFC plate 11, in compressor 12 course of work, compensating heater 21 is in off-position, to stop carrying out temperature-compensating to frequency conversion refrigerator.Therefore; embodiments of the invention; by compensating the temperature in frequency conversion refrigerator refrigerating chamber to make the temperature in refrigerating chamber increase fast; thus reduce the downtime of compressor; and then improve the running rate of compressor, ensure that the temperature in low temperature environment down coversion refrigerator cold-storage indoor and refrigerating chamber all can meet the demands.
According to one embodiment of present invention, as shown in Figure 2, second performance loop L2 also comprises the compensating switch 22 be connected in series with compensating heater 21, compensating switch 22 is in normally off when environment temperature is less than preset temperature, and is in normally open when environment temperature is more than or equal to preset temperature.
According to one embodiment of present invention, compensating switch 22 is thermoswitch.
That is, when environment temperature is more than or equal to preset temperature, temperature in refrigerating chamber and the difference comparsion between environment temperature large, rate of rise in temperature in refrigerating chamber is than very fast, compressor can normally start, now compensate without the need to thermic load indoor between compensating heater 21 pairs of frequency conversion refrigerators, therefore, can be disconnected as thermoswitch carrys out control and compensation heater 21 by compensating switch 22.
According to the low temp compensating system of the frequency conversion refrigerator of the embodiment of the present invention; when environment temperature be less than preset temperature and compressor shutdown time; temperature controller selects the second performance loop to connect; compensating heater carries out work to compensate the thermic load in refrigerator compartment; thus effectively reduce the downtime of compressor; improve the running rate of compressor, ensure that compressor can normally start at low ambient temperatures, and then ensure that frequency conversion refrigerator can meet refrigeration demand in wide environmental temperature range.
In addition, embodiments of the invention also proposed a kind of frequency conversion refrigerator, and it comprises the low temp compensating system of above-mentioned frequency conversion refrigerator, and wherein, frequency conversion refrigerator can comprise mechanical type frequency conversion refrigerator, electronic type frequency conversion refrigerator etc.
The frequency conversion refrigerator of the embodiment of the present invention is by above-mentioned low temp compensating system; effectively can reduce the downtime of compressor; improve the running rate of compressor; ensure that compressor can normally start at low ambient temperatures, and then ensure that frequency conversion refrigerator can meet refrigeration demand in wide environmental temperature range.
Fig. 3 is the flow chart of the low temp compensating control method of frequency conversion refrigerator according to the embodiment of the present invention, and wherein frequency conversion refrigerator comprises above-mentioned low temp compensating system.
Specifically, as shown in Figure 1, the low temp compensating system of frequency conversion refrigerator comprises: the first performance loop, the second performance loop and temperature controller, wherein, the compressor that first performance loop comprises VFC plate, is connected with VFC plate, second performance loop comprises compensating heater, and temperature controller is connected with the second performance loop with the first performance loop respectively.
As shown in Figure 3, the low temp compensating control method of this frequency conversion refrigerator comprises the following steps:
S1, testing environment temperature.
S2, when environment temperature is less than preset temperature, judges whether compressor shuts down.Such as, preset temperature can be 10-15 DEG C.
S3, if compressor shutdown, temperature controller selects the second performance loop to connect, and compensating heater carries out work to compensate the thermic load in refrigerator compartment.
According to one embodiment of present invention, when environment temperature is less than preset temperature and compressor needs to start shooting, temperature controller selects the first performance loop to connect, and compressor starts under the control of VFC plate, and compensating heater is in off-position.
Particularly, frequency conversion refrigerator at low ambient temperatures as environment temperature be less than 15 DEG C work time, when the temperature in frequency conversion refrigerator refrigerating chamber reaches user's design temperature, compressor is by out of service, temperature in refrigerating chamber and the difference comparsion between environment temperature little (being generally less than 10 DEG C), make the rate of rise in temperature in refrigerating chamber slow, thus the number of starts of compressor in frequency conversion refrigerator is significantly reduced, but because the difference comparsion of the temperature in refrigerating chamber and environment temperature is large, temperature-rise ratio in refrigerating chamber is very fast, when the number of starts of compressor significantly reduces, the temperature made in refrigerating chamber cannot be reached requirement, therefore, in an embodiment of the present invention, when environment temperature is lower, namely environment temperature is less than preset temperature, and during compressor shutdown, selection second performance loop is connected by temperature controller, now compensating heater is started working, to compensate thermic load indoor between frequency conversion refrigerator, the temperature in refrigerating chamber is made to increase fast, when the temperature in refrigerating chamber reaches uniform temperature value, need to control compressor starts startup work, now temperature controller selects the first performance loop to connect, compressor starts and starts working under the control of VFC plate, in compressor operation, compensating heater is in off-position, to stop carrying out temperature-compensating to frequency conversion refrigerator.Therefore; embodiments of the invention; by compensating the temperature in frequency conversion refrigerator refrigerating chamber to make the temperature in refrigerating chamber increase fast; thus reduce the downtime of compressor; and then improve the number of starts of compressor, ensure that the temperature in low temperature environment down coversion refrigerator cold-storage indoor and refrigerating chamber all can meet the demands.
In addition, as shown in Figure 2, when the second performance loop comprises the compensating switch be connected in series with compensating heater, compensating switch is in normally off when environment temperature is less than preset temperature, and is in normally open when environment temperature is more than or equal to preset temperature.
That is, when environment temperature is more than or equal to preset temperature, temperature in refrigerating chamber and the difference comparsion between environment temperature large, rate of rise in temperature in refrigerating chamber is than very fast, compressor can normally start, now without the need to compensating heater, thermic load indoor between frequency conversion refrigerator is compensated, therefore, can be disconnected as thermoswitch carrys out control and compensation heater by compensating switch.
According to the low temp compensating control method of the frequency conversion refrigerator of the embodiment of the present invention; when environment temperature is less than preset temperature; judge whether compressor shuts down; and after judging compressor shutdown; temperature controller selects the second performance loop to connect; compensating heater carries out work to compensate the thermic load in refrigerator compartment; thus effectively reduce the downtime of compressor; improve the running rate of compressor; ensure that compressor can normally start at low ambient temperatures, and then ensure that frequency conversion refrigerator can meet refrigeration demand in wide environmental temperature range.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (7)
1. a low temp compensating system for frequency conversion refrigerator, is characterized in that, comprising:
First performance loop, the compressor that described first performance loop comprises VFC plate, is connected with described VFC plate;
Second performance loop, described second performance loop comprises compensating heater;
Temperature controller; described temperature controller is connected with described second performance loop with described first performance loop respectively; wherein; when environment temperature be less than preset temperature and described compressor shutdown time; described temperature controller selects described second performance loop to connect, and described compensating heater carries out work to compensate the thermic load in refrigerator compartment.
2. the low temp compensating system of frequency conversion refrigerator as claimed in claim 1, it is characterized in that, when described environment temperature is less than described preset temperature and described compressor needs to start shooting, described temperature controller selects described first performance loop to connect, described compressor starts under the control of described VFC plate, and described compensating heater is in off-position.
3. the low temp compensating system of frequency conversion refrigerator as claimed in claim 1 or 2, it is characterized in that, described second performance loop also comprises the compensating switch be connected in series with described compensating heater, described compensating switch is in normally off when described environment temperature is less than described preset temperature, and is in normally open when described environment temperature is more than or equal to described preset temperature.
4. the low temp compensating system of frequency conversion refrigerator as claimed in claim 3, it is characterized in that, described compensating switch is thermoswitch.
5. a frequency conversion refrigerator, is characterized in that, comprises the low temp compensating system of the frequency conversion refrigerator according to any one of claim 1-4.
6. a low temp compensating control method for frequency conversion refrigerator as claimed in claim 5, is characterized in that, comprise the following steps:
Testing environment temperature;
When described environment temperature is less than preset temperature, judge whether compressor shuts down;
If described compressor shutdown, described temperature controller selects described second performance loop to connect, and described compensating heater carries out work to compensate the thermic load in refrigerator compartment.
7. the low temp compensating control method of frequency conversion refrigerator as claimed in claim 6, it is characterized in that, when described environment temperature is less than described preset temperature and described compressor needs to start shooting, described temperature controller selects described first performance loop to connect, described compressor starts under the control of described VFC plate, and described compensating heater is in off-position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510514827.9A CN105043008A (en) | 2015-08-19 | 2015-08-19 | Inverter refrigerator, low-temperature compensation system thereof and low-temperature compensation control method |
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| CN201510514827.9A CN105043008A (en) | 2015-08-19 | 2015-08-19 | Inverter refrigerator, low-temperature compensation system thereof and low-temperature compensation control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112833604A (en) * | 2019-11-25 | 2021-05-25 | 博西华电器（江苏）有限公司 | Refrigeration device and method for a refrigeration device |
| CN114353426A (en) * | 2021-12-27 | 2022-04-15 | 广州万宝电子科技有限公司 | Temperature control device and method |
| CN116430923A (en) * | 2023-06-12 | 2023-07-14 | 沈阳兴华诺车辆科技有限公司 | Intelligent control and regulation method and device for temperature |
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