CN107860162B - A kind of control system of wind cooling refrigerator - Google Patents
A kind of control system of wind cooling refrigerator Download PDFInfo
- Publication number
- CN107860162B CN107860162B CN201711132212.5A CN201711132212A CN107860162B CN 107860162 B CN107860162 B CN 107860162B CN 201711132212 A CN201711132212 A CN 201711132212A CN 107860162 B CN107860162 B CN 107860162B
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- temperature value
- refrigerating chamber
- temperature
- preset
- work
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Defrosting Systems (AREA)
Abstract
A kind of control system of wind cooling refrigerator, including operate normally process comprising following steps: A1. wind cooling refrigerator electrifying startup；A2. the sensor on evaporator starts and detects the temperature on evaporator, and the sensor on refrigerating chamber starts and detects the indoor temperature of refrigeration；A3. the temperature value of system monitoring evaporator；A4. when the temperature value of refrigerating chamber >=preset turn-on temperature value, refrigeration starts；When the preset turn-on temperature value of the temperature value < of refrigerating chamber, system re-reads the temperature value of refrigerating chamber；A5. freeze after a period of time, system reads again the temperature value of refrigerating chamber: when the temperature value of refrigerating chamber≤preset shutdown temperature value, refrigeration stops；When the preset shutdown temperature value of the temperature value > of refrigerating chamber, system is according to the process cycle operation of step A4.The present invention have the characteristics that electrical connection simplify, control rationally, reliable performance, at low cost, temperature control precisely and have and improve self-checking function.
Description
Technical field
The present invention relates to a kind of refrigerator, in particular to a kind of control system of wind cooling refrigerator.
Background technique
The wind cooling refrigerator of mainstream generally can distinguish mounting temperature sensor in refrigerating chamber and freezing chamber to examine currently on the market
Testing temperature, and the Combinational Logic Control that the different phase in process of refrigerastion is different with load progress to sensor, the controlling party
Formula not only increases cost, and increases the complexity of programming；Simultaneously as sensor and the signal of load compared with
It is more, the difficulty of circuit board self-test and finished product self-test is increased, being easy to appear self-test, time-consuming, or even the fail-safe feelings of detection
Condition, it is seen that temperature control is precisely and system excessively complexity is often contradiction that is a pair of and depositing.Therefore, it is necessary to be further improved.
Summary of the invention
The purpose of the present invention be intended to provide a kind of electrical connection simplify, control rationally, reliable performance, at low cost, temperature control
The control system of wind cooling refrigerator that is accurate and having perfect self-checking function, to overcome shortcoming in the prior art.
By a kind of control system of wind cooling refrigerator of this purpose design, including operate normally process, it is characterised in that: described
Operate normally process the following steps are included:
A1. wind cooling refrigerator electrifying startup；
A2. the sensor on evaporator starts and detects the temperature on evaporator, and the sensor on refrigerating chamber starts and examines
It surveys and refrigerates indoor temperature；
A3. the temperature value of system monitoring evaporator: when the temperature value is more than preset evaporating temperature value, system starts to read
Take the temperature value of refrigerating chamber；When the temperature value is lower than preset evaporating temperature value, start defrost work, completes defrost work
Afterwards, system starts to read the temperature value of refrigerating chamber；
A4. when the temperature value of refrigerating chamber >=preset turn-on temperature value, system opens compressor and blower；Work as refrigerating chamber
Temperature value < preset turn-on temperature value when, system voluntarily judges whether to start defrost work, completes after defrost work or sentences
When breaking not need defrost, system re-reads the temperature value of refrigerating chamber；
A5. after a period of work, system reads again the temperature value of refrigerating chamber for compressor and blower: when the temperature of refrigerating chamber
When angle value≤preset shutdown temperature value, system close compressor and blower；When the preset shutdown temperature of the temperature value > of refrigerating chamber
When angle value, system voluntarily judges whether to start defrost work, completes after defrost work or is judged as when not needing defrost, system weight
The relationship of the new temperature value for comparing refrigerating chamber and turn-on temperature value, and according to the process cycle operation of step A4.
In step A3, the preset evaporating temperature value is 3 DEG C；When 3 DEG C of temperature value > of evaporator, system starts to read
Take the temperature value of refrigerating chamber；When temperature value≤3 DEG C of evaporator, start defrost work, after completing defrost work, system starts
Read the temperature value of refrigerating chamber.
The control system of above-mentioned wind cooling refrigerator, it is characterised in that: further include low circumstance temperature operation process, which runs work
Sequence the following steps are included:
B1. after terminating defrost work every time, system executes the normal operation process；
B2. the Homes Using TV in system monitoring wind cooling refrigerator 8 hours: when Homes Using TV is lower than preset value, system executes refrigeration
Stop within 18 minutes 170 minutes operational modes, until starting defrost work；When Homes Using TV is more than preset value, system is continued to execute
The normal operation process, until starting defrost work.
The preset value of Homes Using TV is 9%, and as Homes Using TV < 9%, system executes the operation that refrigeration is stopped 170 minutes for 18 minutes
Mode, until starting defrost work；When Homes Using TV >=9%, system continues to execute the normal operation process, until starting
Defrost work.
The control system of above-mentioned wind cooling refrigerator, it is characterised in that: it further include circuit board self test sequence, the circuit board self-test work
Sequence the following steps are included:
C1. the corresponding version number of display circuit board；
C2. system detection output signal, comprising: open compressor, heating tube and headlamp；
C3. system detection input signal, comprising: the reading of respective sensor, the working condition of blower and refrigerator doors are opened
Off status；
C4. testing result is shown.
The control system of above-mentioned wind cooling refrigerator, it is characterised in that: it further include finished product self test sequence, the finished product self test sequence packet
Include following steps:
D1. wind cooling refrigerator executes refrigeration work, until starting defrost work；
D2. each road AD of system detection acquires signal: when AD signal is all normal, system executes the normal operation work
Sequence；When AD signal is individual or all abnormal, system closes all loads；
When D3. reaching the preset self-test time, terminate self-test；When the preset self-test time has not yet been reached, system is according to step
The process cycle operation of rapid D2.
The invention has the following advantages:
(1) it only needs just to be able to achieve complete machine accurate temperature control according to the sensor for being mounted on refrigerating chamber, reduces costs, simplify
Programming；Further, since the signal of sensor is less, the difficulty of circuit board self-test and finished product self-test, self-test consumption are reduced
When it is shorter, detection effect is accurate；
(2) when the Homes Using TV of system detection to wind cooling refrigerator is too low, it can actively improve refrigeration frequency and maintain the temperature inside the box,
Overcome the problems, such as that temperature is excessively high in wind cooling refrigerator under low ambient temperature；
(3) have perfect self-checking function, can detect whether each input/output port is normal in board production link,
It can detect whether refrigeration system and electrical part assemble in place in finished product production link, improve production efficiency, the qualification rate of product；
(4) refrigerator work situation is exported by serial communication to monitor to computer end, after-sales staff is facilitated to check failure,
It is more convenient to safeguard.
Detailed description of the invention
Fig. 1 is the work flow diagram that process is operated normally in one embodiment of the invention.
Fig. 2 is the work flow diagram that low circumstance temperature runs process in one embodiment of the invention.
Fig. 3 is the work flow diagram of circuit board self test sequence in one embodiment of the invention.
Fig. 4 is the work flow diagram of finished product self test sequence in one embodiment of the invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.
Referring to figures 1-4, the control system of this wind cooling refrigerator includes operating normally process, low circumstance temperature operation process, circuit
Plate self test sequence and finished product self test sequence；
Operate normally process the following steps are included:
A1. wind cooling refrigerator electrifying startup；
A2. the sensor on evaporator starts and detects the temperature on evaporator, and the sensor on refrigerating chamber starts and examines
It surveys and refrigerates indoor temperature；
A3. the temperature value of system monitoring evaporator: when the temperature value is more than preset evaporating temperature value, system starts to read
Take the temperature value of refrigerating chamber；When the temperature value is lower than preset evaporating temperature value, start defrost work, completes defrost work
Afterwards, system starts to read the temperature value of refrigerating chamber；
A4. when the temperature value of refrigerating chamber >=preset turn-on temperature value, system opens compressor and blower；Work as refrigerating chamber
Temperature value < preset turn-on temperature value when, system voluntarily judges whether to start defrost work, completes after defrost work or sentences
When breaking not need defrost, system re-reads the temperature value of refrigerating chamber；
A5. after a period of work, system reads again the temperature value of refrigerating chamber for compressor and blower: when the temperature of refrigerating chamber
When angle value≤preset shutdown temperature value, system close compressor and blower；When the preset shutdown temperature of the temperature value > of refrigerating chamber
When angle value, system voluntarily judges whether to start defrost work, completes after defrost work or is judged as when not needing defrost, system weight
The relationship of the new temperature value for comparing refrigerating chamber and turn-on temperature value, and according to the process cycle operation of step A4.
This normal operation process is to carry out start-stop control to compressor according to the temperature of refrigerating chamber, to realize that refrigerator temperature is wanted
It asks；Specifically: when the temperature of refrigerating chamber reaches turn-on temperature or more, compressor is opened, refrigeration starts；When the temperature of refrigerating chamber
Degree reach shutoff temperature or it is following when, close compressor, refrigeration stop.
Furtherly, in step A3, the preset evaporating temperature value is 3 DEG C；When 3 DEG C of temperature value > of evaporator,
System starts to read the temperature value of refrigerating chamber；When temperature value≤3 DEG C of evaporator, start defrost work, completes defrost work
Afterwards, system starts to read the temperature value of refrigerating chamber.
Low circumstance temperature operation process the following steps are included:
B1. after terminating defrost work every time, system executes the normal operation process；
B2. the Homes Using TV in system monitoring wind cooling refrigerator 8 hours: when Homes Using TV is lower than preset value, system executes refrigeration
Stop within 18 minutes 170 minutes operational modes, until starting defrost work；When Homes Using TV is more than preset value, system is continued to execute
The normal operation process, until starting defrost work.
(such as 5 DEG C or less) when the temperature of the surroundings is low, the temperature of refrigerating chamber are difficult to reach turn-on temperature, at this time freezing chamber
Temperature constantly rise, to prevent the temperature of freezing chamber excessively high, system automatically into low circumstance temperature operation process actively improve freeze
Frequency；Specifically: after defrost, by operate normally process run 8 hours after, judge Homes Using TV if it is less than 9%, then into
Enter low circumstance temperature operation process, Homes Using TV is made to maintain 10% or so until defrost next time, otherwise continues by normal operation process.
Furtherly, the preset value of Homes Using TV is 9%, and as Homes Using TV < 9%, system executes refrigeration and stops 170 in 18 minutes
The operational mode of minute, until starting defrost work；When Homes Using TV >=9%, system continues to execute the normal operation work
Sequence, until starting defrost work.
Circuit board self test sequence the following steps are included:
C1. the corresponding version number of display circuit board；
C2. system detection output signal, comprising: open compressor, heating tube and headlamp；
C3. system detection input signal, comprising: the reading of respective sensor, the working condition of blower and refrigerator doors are opened
Off status；
C4. testing result is shown.
Whether circuit board self test sequence predominantly detects input/output signal on circuit board normal.
Finished product self test sequence the following steps are included:
D1. wind cooling refrigerator executes refrigeration work, until starting defrost work；
D2. each road AD of system detection acquires signal: when AD signal is all normal, system executes the normal operation work
Sequence；When AD signal is individual or all abnormal, system closes all loads；
When D3. reaching the preset self-test time, terminate self-test；When the preset self-test time has not yet been reached, system is according to step
The process cycle operation of rapid D2.
Finished product self test sequence predominantly detects finished product refrigeration system, and whether normal, electrical part is installed in place.
Above-mentioned is preferred embodiment of the invention, and basic principles and main features and the present invention of the invention have been shown and described
The advantages of.Those skilled in the art should be recognized that the present invention is not limited to the above embodiments, above embodiments and description
Described in merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention the present invention also have it is various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached the spirit and scope of the invention define.
Claims (5)
1. a kind of control system of wind cooling refrigerator, including operate normally process, it is characterised in that: the normal operation process includes
Following steps:
A1. wind cooling refrigerator electrifying startup；
A2. the sensor on evaporator starts and detects the temperature on evaporator, and the sensor on refrigerating chamber starts and detects cold
Hide indoor temperature；
A3. the temperature value of system monitoring evaporator: when the temperature value is more than preset evaporating temperature value, system starts to read cold
Hide the temperature value of room；When the temperature value is lower than preset evaporating temperature value, start defrost work, after completing defrost work, is
System starts to read the temperature value of refrigerating chamber；
A4. when the temperature value of refrigerating chamber >=preset turn-on temperature value, system opens compressor and blower；When the temperature of refrigerating chamber
When the preset turn-on temperature value of angle value <, system voluntarily judges whether to start defrost work, completes after defrost work or is judged as
When not needing defrost, system re-reads the temperature value of refrigerating chamber；
A5. after a period of work, system reads again the temperature value of refrigerating chamber for compressor and blower: when the temperature value of refrigerating chamber
When≤preset shutdown temperature value, system close compressor and blower；When the preset shutdown temperature value of the temperature value > of refrigerating chamber
When, system voluntarily judges whether to start defrost work, completes after defrost works or is judged as that system compares again when not needing defrost
The relationship of temperature value and turn-on temperature value to refrigerating chamber, and according to the process cycle operation of step A4；
Further include low circumstance temperature operation process, low circumstance temperature operation process the following steps are included:
B1. after terminating defrost work every time, system executes the normal operation process；
B2. the Homes Using TV in system monitoring wind cooling refrigerator 8 hours: when Homes Using TV is lower than preset value, system executes 18 points of refrigeration
Clock stops 170 minutes operational modes, until starting defrost work；When Homes Using TV is more than preset value, system continues to execute described
Normal operation process, until start defrost work；
After defrost, after operating normally process operation 8 hours, judge that Homes Using TV if it is less than 9%, then enters low circumstance temperature
Process is run, Homes Using TV is made to maintain 10% or so until defrost next time, is otherwise continued by normal operation process.
2. the control system of wind cooling refrigerator according to claim 1, it is characterised in that: in step A3, the preset evaporation
Temperature value is 3 DEG C；When 3 DEG C of temperature value > of evaporator, system starts to read the temperature value of refrigerating chamber；When the temperature of evaporator
At≤3 DEG C of value, start defrost work, after completing defrost work, system starts to read the temperature value of refrigerating chamber.
3. the control system of wind cooling refrigerator according to claim 1 or claim 2, it is characterised in that: the preset value of Homes Using TV is 9%,
As Homes Using TV < 9%, system executes the operational mode that refrigeration is stopped 170 minutes for 18 minutes, until starting defrost work；Work as booting
When rate >=9%, system continues to execute the normal operation process, until starting defrost work.
4. the control system of wind cooling refrigerator according to claim 1 or claim 2, it is characterised in that: it further include circuit board self test sequence,
The circuit board self test sequence the following steps are included:
C1. the corresponding version number of display circuit board；
C2. system detection output signal, comprising: open compressor, heating tube and headlamp；
C3. system detection input signal, comprising: the switch shape of the reading of respective sensor, the working condition of blower and refrigerator doors
State；
C4. testing result is shown.
5. the control system of wind cooling refrigerator according to claim 1 or claim 2, it is characterised in that: it further include finished product self test sequence, it should
Finished product self test sequence the following steps are included:
D1. wind cooling refrigerator executes refrigeration work, until starting defrost work；
D2. each road AD of system detection acquires signal: when AD signal is all normal, system executes the normal operation process；When
When AD signal is individual or all abnormal, system closes all loads；
When D3. reaching the preset self-test time, terminate self-test；When the preset self-test time has not yet been reached, system is according to step D2
Process cycle operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132212.5A CN107860162B (en) | 2017-11-15 | 2017-11-15 | A kind of control system of wind cooling refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132212.5A CN107860162B (en) | 2017-11-15 | 2017-11-15 | A kind of control system of wind cooling refrigerator |
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| Publication Number | Publication Date |
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| CN107860162A CN107860162A (en) | 2018-03-30 |
| CN107860162B true CN107860162B (en) | 2019-11-22 |
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| CN201711132212.5A Active CN107860162B (en) | 2017-11-15 | 2017-11-15 | A kind of control system of wind cooling refrigerator |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432212B (en) * | 2020-10-27 | 2022-03-11 | 广东格兰仕集团有限公司 | Automatic shutdown control method for range hood and range hood control system |
| CN114115381B (en) * | 2021-12-02 | 2022-08-02 | 四川虹美智能科技有限公司 | Temperature control method and system of intelligent terminal equipment based on android system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102345965B (en) * | 2010-08-02 | 2015-08-26 | 海信（山东）冰箱有限公司 | The round-the-clock power-economizing method of refrigerator, device and all-weather energy-saving refrigerator |
| CN101963437A (en) * | 2010-09-17 | 2011-02-02 | 海信容声(广东)冰箱有限公司 | Defrosting control system and control method of refrigerator |
| CN102679685B (en) * | 2012-05-08 | 2014-07-30 | 河南新飞电器有限公司 | Air-cooled refrigerator and energy-saving defrosting control method thereof |
| CN102735018B (en) * | 2012-06-26 | 2014-09-10 | 四川长虹电器股份有限公司 | Method for controlling temperature of mechanical refrigerator in frequency conversion mode |
| US20160290701A1 (en) * | 2015-03-30 | 2016-10-06 | Alan Kleinfeld Miller | Mitigating global warming by OTEC-induced ocean upwelling |
| CN105698462B (en) * | 2016-01-29 | 2018-02-13 | 合肥美的电冰箱有限公司 | A kind of direct cooling refrigerator blower control method system and refrigerator |
| CN105783385B (en) * | 2016-04-20 | 2018-05-11 | 合肥华凌股份有限公司 | A kind of cold compartment of refrigerator defrosting method, defrosting system and refrigerator |
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Address after: 528400 dongmaxin Industrial Zone, Xingpu Avenue, Huangpu town, Zhongshan City, Guangdong Province Patentee after: GUANGDONG GALANZ ENTERPRISES Co.,Ltd. Patentee after: Zhongshan Galanz Daily Electric Appliance Co., Ltd Address before: 528300 No. 25, South Ronggui Road, Shunde District, Guangdong, Foshan Patentee before: GUANGDONG GALANZ ENTERPRISES Co.,Ltd. Patentee before: Zhongshan Galanz Daily Electric Appliance Co., Ltd |