CN109764608A - For the control system of refrigerating plant, its control method and can auto-manual defrost refrigerator - Google Patents
For the control system of refrigerating plant, its control method and can auto-manual defrost refrigerator Download PDFInfo
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- CN109764608A CN109764608A CN201811602262.XA CN201811602262A CN109764608A CN 109764608 A CN109764608 A CN 109764608A CN 201811602262 A CN201811602262 A CN 201811602262A CN 109764608 A CN109764608 A CN 109764608A
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- switch
- control system
- heating element
- refrigerator
- refrigerating plant
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The present invention provides it is a kind of for the control system of refrigerating plant, its control method and can auto-manual defrost refrigerator.The control system for refrigerating plant, compressor including being in turn connected to form circuit, condenser, capillary and evaporator, the electric-control system further includes the first switch for controlling compressor on-off, for carrying out the heating element of defrost to evaporator, control the second switch and delay switch of heating element on-off, for manually controlling the operating parts of delay switch opening and closing, for detecting the temperature sensitive member of refrigerator ambient temperature and the control mechanism of control electric-control system operation, it is in parallel with first switch after the heating element and second switch series connection, the delay switch is arranged in parallel with second switch, when the environment temperature is lower than threshold value, the heating element is controlled to heat the evaporator.By manually controlling the switch of delay switch, Lai Shixian heating element is switched on or off, to carry out defrost to evaporator or stop defrost.
Description
Technical field
The present invention relates to field of home appliance technology more particularly to a kind of control systems for refrigerating plant, its control
Method and can auto-manual defrost refrigerator.
Background technique
Increasingly developed with modern society, people's lives rhythm is constantly accelerated, so that function of the people to current refrigerator
It can require also higher and higher.In household Direct cold refrigerator, the temperature of evaporator surface is lower than zero degree, higher in environment temperature
When, the compressor operation time is longer, and due to user's operations such as switch gates, the vapor in air can enter refrigerator, meeting slowly
In the frosting of liner surface and then become ice, lower and lower so as to cause evaporator temperature, compressor load becomes larger, and power consumption increases
Add, influences user experience.At present there is no associated solutions.
Therefore, it is necessary to provide the improved control system for refrigerating plant of one kind to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide the controls for refrigerating plant that one kind can easily and effectively understand food storage state
System processed, its control method and can auto-manual defrost control system refrigerator.
For achieving the above object, the present invention provides a kind of control systems for refrigerating plant, including successively connect
Connect compressor, condenser, capillary and the evaporator of forming circuit, the electric-control system further includes control compressor on-off the
One switch, the heating element for carrying out defrost to evaporator, the second switch and delay switch, use for controlling heating element on-off
In the operating parts, the temperature sensitive member for detecting refrigerator ambient temperature and the control electricity that manually control delay switch opening and closing
, the delay switch in parallel with first switch after the control mechanism of control system operation, the heating element and second switch series connection
It is arranged in parallel with second switch, when the environment temperature is lower than threshold value, controls the heating element and the evaporator is added
Heat.
As a further improvement of the present invention, the electric-control system further includes for carrying out overload protection to the compressor
Overload protective device, the overload protective device is connected between the first switch and the compressor.
As a further improvement of the present invention, the first switch, second switch and delay switch are magnet-sensitive switch.
As a further improvement of the present invention, the heating element is the heater strip for being located at evaporator surface.
As a further improvement of the present invention, the refrigerator further includes the headlamp and control headlamp on-off for illumination
Lamp switch, the headlamp and lamp switch series connection after with compressor parallel.
As a further improvement of the present invention, the electric-control system further includes the operation capacitor for capacitance compensation.
For achieving the above object, the present invention provides it is a kind of can auto-manual defrost refrigerator, including cabinet and envelope
The door body of the cabinet is closed, the refrigerator further includes the control system for refrigerating plant.
As a further improvement of the present invention, the operating parts is the key being arranged in cabinet or door body.
As a further improvement of the present invention, the refrigerator is direct cooling refrigerator.
For achieving the above object, the present invention provides a kind of control method of control system for refrigerating plant,
The control method includes:
S1. ice the temperature inside the box T is set；
S2. the real-time temperature values X in refrigerator is obtained by temperature sensitive member；
S3. as real-time temperature values X < set temperature T, control mechanism is closed second switch and delay switch, and opening first is opened
It closes, at this point, compressor does not work, heating element heats evaporator；
S4. as real-time temperature values X > set temperature T, control mechanism closure first switch opens second switch, at this point, plus
Thermal element does not work, and compressor start freezes, in the process, control operating parts, can make delay switch, heating element
Starting carries out defrost to evaporator, and delay switch closure is automatic after a certain period of time to be disconnected, to cut off heating element.
The beneficial effects of the present invention are: the present invention for refrigerating plant control system by manually controlling and second switch
The switch of delay switch in parallel, Lai Shixian heating element switch on or off, to carry out defrost to evaporator or stop defrost,
In the case where avoiding room temperature that threshold value is not achieved, the case where heating element can not start defrost, and then reduce, even avoid because of user
The generation of the compartment back side icing frost occurred in use process.
Detailed description of the invention
Fig. 1 is control circuit schematic diagram of the present invention for the control system of refrigerating plant.
Fig. 2 is control flow chart of the present invention for the control system of refrigerating plant.
Specific embodiment
Below with reference to embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are not intended to limit this
Invention, the transformation in structure or function that those skilled in the art are made according to these embodiments are all contained in this hair
In bright protection scope.
Shown in referring to Figures 1 and 2, control system of the present invention for refrigerating plant includes being in turn connected to form the pressure in circuit
Contracting machine H, condenser, capillary and evaporator, the electric-control system further include the first switch D for controlling compressor H on-off, are used for
The heating element F of defrost is carried out to evaporator, the second switch E and delay switch K for controlling heating element F on-off, is used for manually
Control operating parts, the temperature sensitive member for detecting refrigerator ambient temperature and the automatically controlled system of control of delay switch K opening and closing
, the delay switch K in parallel with first switch D after the control mechanism of system operation, the heating element F and second switch E series connection
It is arranged in parallel with second switch E, when the environment temperature is lower than threshold value, controls the heating element F and the evaporator is carried out
Heating.
By manually controlling the switch of the delay switch K in parallel with second switch E, the connection of Lai Shixian heating element F or
Cutting, to carry out defrost to evaporator or stop defrost, in the case where avoiding room temperature that threshold value is not achieved, heating element F can not be opened
The case where dynamic defrost, and then reduce, even avoid the hair because of the compartment back side icing frost occurred in user's use process
It is raw.
The electric-control system further includes for carrying out the overload protective device G of overload protection to the compressor H, for illuminating
Headlamp C, control the lamp switch B and operation capacitor J for capacitance compensation of headlamp C on-off.The overload protective device connects
Connect between the first switch and the compressor, the headlamp and lamp switch series connection after with compressor parallel.
In the preferred embodiment of the present invention, the first switch D, second switch E and delay switch K are magnetosensitive
Switch.The heating element F is the heater strip for being located at evaporator surface.
The control method of control system of the present invention includes:
S1. set environment temperature threshold T；
S2. the real-time temperature values X of refrigerator external environment is obtained by temperature sensitive member；
S3. as real-time temperature values X < set temperature T, control mechanism is closed second switch E and delay switch K, opening first
Switch D, at this point, compressor H does not work, heating element F heats evaporator；
S4. as real-time temperature values X > set temperature T, control mechanism is closed first switch D, opening second switch E, at this point,
Heating element F does not work, and compressor H is actuated for freezing, in the process, control operating parts, can make delay switch K, add
Thermal element F starting carries out defrost to evaporator, and delay switch K closure is automatic after a certain period of time to be disconnected, to cut off heating element
F。
In actual moving process, when being lower than threshold value due to the environment temperature that set temperature sensing element detects, ability
Start heating element F, therefore, the additional increased delay switch of the present invention, can according to actual needs make delay switch come it is real
The connection of existing heating element F avoids influencing refrigeration effect, promotes user experience to realize the defrost to evaporator.The delay
Switch K is closed after user manually controls operating parts, described after defrost process carries out a period of time to start heating element F
Delay switch K is become to open by closure automatically, to cut off heating element F, cuts off defrost process.
The present invention for refrigerating plant control system can auto-manual defrost refrigerator, the refrigerator includes
The door body of cabinet and the closing cabinet, in the present invention, the refrigerator is direct cooling refrigerator.
The operating parts is the key being arranged in cabinet or door body, in order to there is user that can easily grasp
Make, the starting of Lai Shixian heating element F.
The series of detailed descriptions listed above are illustrated only for possible embodiments of the invention,
The protection scope that they are not intended to limit the invention, it is all without departing from equivalent embodiment made by technical spirit of the present invention or change
It should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of control system for refrigerating plant, including be in turn connected to form the compressor in circuit, condenser, capillary and
Evaporator, it is characterised in that: the electric-control system further includes the first switch for controlling compressor on-off, for carrying out to evaporator
The heating element of defrost, the second switch for controlling heating element on-off and delay switch are opened and closed for manually controlling delay switch
Operating parts, the temperature sensitive member for detecting refrigerator ambient temperature and control electric-control system operation control mechanism,
In parallel with first switch after the heating element and second switch series connection, the delay switch is arranged in parallel with second switch, institute
When stating environment temperature lower than threshold value, controls the heating element and the evaporator is heated.
2. the control system according to claim 1 for refrigerating plant, it is characterised in that: the electric-control system further includes
For carrying out the overload protective device of overload protection to the compressor, the overload protective device is connected to the first switch and institute
It states between compressor.
3. the control system according to claim 1 for refrigerating plant, it is characterised in that: the first switch, second
Switch and delay switch are magnet-sensitive switch.
4. the control system according to claim 1 for refrigerating plant, it is characterised in that: the heating element is to be located at
The heater strip of evaporator surface.
5. the control system according to claim 1 for refrigerating plant, it is characterised in that: the refrigerator further includes being used for
After the headlamp of illumination and the lamp switch for controlling headlamp on-off, the headlamp and lamp switch series connection with compressor parallel.
6. the control system according to claim 1 for refrigerating plant, it is characterised in that: the electric-control system further includes
Operation capacitor for capacitance compensation.
7. one kind can auto-manual defrost refrigerator, the door body including cabinet and the closing cabinet, it is characterised in that: the ice
Case further includes the control system for refrigerating plant as described in any one of claim 1 to 6.
8. it is according to claim 7 can auto-manual defrost refrigerator, it is characterised in that: the operating parts be arranged in case
Key on body or door body.
9. it is according to claim 7 can auto-manual defrost refrigerator, it is characterised in that: the refrigerator be direct cooling refrigerator.
10. a kind of control method for the control system of refrigerating plant as described in claim 1, it is characterised in that: it is described
Control method includes:
S1. ice the temperature inside the box T is set；
S2. the real-time temperature values X in refrigerator is obtained by temperature sensitive member；
S3. when real-time temperature values X < set temperature T, control mechanism closure second switch and delay switch, first switch is opened, this
When, compressor does not work, and heating element heats evaporator；
S4. as real-time temperature values X > set temperature T, control mechanism is closed first switch, opening second switch, at this point, heating unit
Part does not work, and compressor start freezes, in the process, control operating parts, can make delay switch, heating element starting
Defrost is carried out to evaporator, delay switch closure is automatic after a certain period of time to be disconnected, to cut off heating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811602262.XA CN109764608A (en) | 2018-12-26 | 2018-12-26 | For the control system of refrigerating plant, its control method and can auto-manual defrost refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811602262.XA CN109764608A (en) | 2018-12-26 | 2018-12-26 | For the control system of refrigerating plant, its control method and can auto-manual defrost refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109764608A true CN109764608A (en) | 2019-05-17 |
Family
ID=66450920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811602262.XA Pending CN109764608A (en) | 2018-12-26 | 2018-12-26 | For the control system of refrigerating plant, its control method and can auto-manual defrost refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109764608A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04257680A (en) * | 1991-02-12 | 1992-09-11 | Toshiba Corp | Refrigerator |
| CN1548895A (en) * | 2003-05-22 | 2004-11-24 | 乐金电子(天津)电器有限公司 | Low temperature compensation circuit for refrigerator |
| CN201589491U (en) * | 2009-12-15 | 2010-09-22 | 海信容声(广东)冰箱有限公司 | Refrigerator with timing control function |
| CN202267282U (en) * | 2011-10-10 | 2012-06-06 | 合肥美的荣事达电冰箱有限公司 | Refrigeration device and refrigerator with same |
| CN102721258A (en) * | 2012-07-10 | 2012-10-10 | 谢延亮 | Braking circuit assembly and refrigerator |
| CN202562209U (en) * | 2012-05-30 | 2012-11-28 | 宁波华彩电器有限公司 | Temperature control circuit of refrigerator |
| KR20140019572A (en) * | 2012-08-06 | 2014-02-17 | 동부대우전자 주식회사 | Refrigerator |
| CN105783369A (en) * | 2014-12-26 | 2016-07-20 | 博西华电器（江苏）有限公司 | Refrigerator with compensating heater |
-
2018
- 2018-12-26 CN CN201811602262.XA patent/CN109764608A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04257680A (en) * | 1991-02-12 | 1992-09-11 | Toshiba Corp | Refrigerator |
| CN1548895A (en) * | 2003-05-22 | 2004-11-24 | 乐金电子(天津)电器有限公司 | Low temperature compensation circuit for refrigerator |
| CN201589491U (en) * | 2009-12-15 | 2010-09-22 | 海信容声(广东)冰箱有限公司 | Refrigerator with timing control function |
| CN202267282U (en) * | 2011-10-10 | 2012-06-06 | 合肥美的荣事达电冰箱有限公司 | Refrigeration device and refrigerator with same |
| CN202562209U (en) * | 2012-05-30 | 2012-11-28 | 宁波华彩电器有限公司 | Temperature control circuit of refrigerator |
| CN102721258A (en) * | 2012-07-10 | 2012-10-10 | 谢延亮 | Braking circuit assembly and refrigerator |
| KR20140019572A (en) * | 2012-08-06 | 2014-02-17 | 동부대우전자 주식회사 | Refrigerator |
| CN105783369A (en) * | 2014-12-26 | 2016-07-20 | 博西华电器（江苏）有限公司 | Refrigerator with compensating heater |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: Qingdao Haier Joint Stock Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190517 |