CN114801022B - Power consumption scheduling method for refrigerator body foaming constant temperature unit - Google Patents
Power consumption scheduling method for refrigerator body foaming constant temperature unit Download PDFInfo
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- CN114801022B CN114801022B CN202210520092.0A CN202210520092A CN114801022B CN 114801022 B CN114801022 B CN 114801022B CN 202210520092 A CN202210520092 A CN 202210520092A CN 114801022 B CN114801022 B CN 114801022B
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- 238000005187 foaming Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims description 24
- 230000003993 interaction Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/762—Household appliances
- B29L2031/7622—Refrigerators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a power consumption scheduling method of a refrigerator body foaming constant temperature unit. The method comprises the following steps: preheating by a constant temperature unit; after the preheating is finished, the central processing unit controls the power consumption of the dispatching system to be (N/2+1) single power, the central processing unit receives the temperature data of the constant temperature units, calculates the absolute value Z ℃ of the temperature difference of the constant temperature units, and sorts the constant temperature units according to the absolute value Z ℃ of the temperature difference; heating the die for the front N/2+1 constant temperature units; when the temperature difference sensor detects that the actual temperature Y ℃ of the die reaches the set temperature X ℃, the constant temperature unit stops heating. According to the invention, the heating sequence is determined by sorting according to the difference value, so that the maximum value of rated power can be effectively reduced, the waste of electric power matching is avoided, and the electric safety is improved; and by preheating the constant temperature unit in advance, the time period that all the constant temperature units work fully at the same time is avoided, and normal production and use are not affected.
Description
Technical Field
The invention belongs to the technical field of refrigerator production control, and particularly relates to an electricity utilization scheduling method of a refrigerator body foaming constant temperature unit.
Background
When the refrigerator box body is foamed, the foaming molds need to be heated by a constant temperature unit, generally, 8 box body foaming molds are in a group, 2 groups of foaming molds are arranged in one production line, 3 constant temperature machines are arranged in each group of foaming molds, the temperatures of a bottom plate, a front baffle plate, a rear baffle plate, a left side plate, a right side plate and a mold core are respectively controlled, and therefore, one production line is 6 constant temperature machines. The 6 thermostats are collectively called a thermostat set, the rated power of each thermostat set is 50kw, and the rated power of the thermostat set is 300kw, so that when the thermostat set is matched with electric power, the rated power of 300kw needs to be matched. However, each mold needs to be heated at full capacity at the same time, and the power consumption of other time periods is generally 150+/-50 kw only when the mold is just started to work. This results in waste of power matching and also reduces the safety of power consumption.
Disclosure of Invention
The invention aims to provide a power consumption scheduling method of a refrigerator body foaming constant temperature unit, which comprises the steps of detecting the temperature of a die in the constant temperature unit in real time by a central processing unit, calculating the difference value between the real-time temperature and the set temperature, and determining a heating sequence according to the difference value, so that the maximum value of rated power can be effectively reduced, the waste of power matching is avoided, and the power consumption safety is improved; and by preheating the constant temperature unit in advance, the time period that all the constant temperature machines work fully at the same time is avoided, and normal production and use are not affected.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a power consumption scheduling method of a refrigerator body foaming constant temperature unit, which comprises a scheduling system; the dispatching system comprises a central processing unit and a constant temperature unit; the central processing unit is electrically connected with the constant temperature unit; the central processing unit is also electrically connected with a control panel and the display module, and the control panel transmits control instructions to the central processing unit; the constant temperature unit comprises a controller, a temperature sensor, a heating module and a communication module, wherein the controller is respectively and electrically connected with the temperature sensor, the heating module and the communication module; the controller performs information interaction with the central processing unit through the communication module; the controller controls the heating module to heat the die according to the instruction of the central processing unit;
the scheduling system operates according to the following steps:
stp1, numbering the constant temperature unit; the central processing unit controls the constant temperature unit to preheat; the preheating time is 30-60min; after preheating, the central processing unit controls the power consumption of the dispatching system to be (N/2+1) single power, N is the number of constant temperature units, and N/2 is rounded by 1 when N is an odd number;
stp2, a user inputs a set temperature X ℃ through a control panel, and a controller in the constant temperature unit detects the actual temperature Y ℃ of the die through a temperature sensor and uploads the actual temperature Y ℃ to a central processing unit through a communication module;
after receiving temperature data of the constant temperature units, the Stp3 and the central processing unit calculate the absolute value Z DEG C of the temperature difference of the constant temperature units (X DEG C-Y DEG C), and order the constant temperature units according to the absolute value Z DEG C of the temperature difference;
stp4, a central processing unit sequences the temperature of Z1 ℃ to Zn ℃ from large to small, and the central processing unit controls the absolute value of the temperature difference Zn ℃ to be sequenced into the first N/2+1 constant temperature units to heat the die;
stp5, when the order of Z1 ℃ to Zn ℃ is changed from big to small, the central processing unit turns on or turns off the heating module of the corresponding constant temperature unit, and the heated constant temperature unit is kept to be N/2+1 before the Z1 ℃ to Zn ℃ from big to small; when the temperatures of Z1 ℃ to Zn ℃ are consistent, heating is firstly carried out according to the sequence from large to small, and when the temperatures are consistent, the central processing unit controls the thermostatic units with smaller numbers to heat preferentially;
stp6, when the temperature sensor detects that the actual temperature Y ℃ of the die reaches the set temperature X ℃, the controller transmits a signal to the central processing unit, and the central processing unit controls the constant temperature unit to stop heating.
Preferably, the set temperature X ℃ is in the range of 30-60 ℃.
Preferably, the heating module is a heating wire, and the communication module adopts a WIFI communication module or a GPRS communication module or a 433 communication module.
Preferably, the display module adopts an LED display screen, and the display module displays temperature data of the constant temperature unit received by the central processing unit.
The invention has the following beneficial effects:
according to the invention, the central processing unit is arranged to detect the temperature of the die in the constant temperature unit in real time, calculate the difference value between the real-time temperature and the set temperature, and sequence and determine the heating sequence according to the difference value, so that the maximum value of rated power can be effectively reduced, the waste of electric power matching is avoided, and the safety of electricity consumption is also improved; and by preheating the constant temperature unit in advance, the time period that all the constant temperature machines work fully at the same time is avoided, and normal production and use are not affected.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a system block diagram of an electricity utilization scheduling system of a refrigerator body foaming thermostatic unit;
FIG. 2 is a system block diagram of a thermostat assembly;
fig. 3 is a flow chart of a method for scheduling power consumption of a refrigerator body foaming thermostatic unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1, the invention discloses a power consumption scheduling method of a refrigerator body foaming constant temperature unit, which comprises a scheduling system; the dispatching system comprises a central processing unit and a constant temperature unit; the central processing unit is electrically connected with the constant temperature unit;
the central processing unit is also electrically connected with a control panel and the display module, and the control panel transmits control instructions to the central processing unit; the display module adopts an LED display screen, and the display module displays temperature data of the constant-temperature unit received by the central processing unit;
the constant temperature unit comprises a controller, a temperature sensor, a heating module and a communication module, wherein the controller is respectively and electrically connected with the temperature sensor, the heating module and the communication module; the controller performs information interaction with the central processing unit through the communication module; the controller controls the heating module to heat the die according to the instruction of the central processing unit; the heating module is a heating wire, and the communication module adopts a WIFI communication module or a GPRS communication module or 433 communication module.
Embodiment two: based on embodiment one
The embodiment is a power consumption scheduling method of a refrigerator body foaming constant temperature unit, and a scheduling system operates according to the following steps:
stp1, numbering the constant temperature unit; the central processing unit controls the constant temperature unit to preheat; the preheating time is 30-60min; after preheating, the central processing unit controls the power consumption of the dispatching system to be (N/2+1) single power, N is the number of constant temperature units, and N/2 is rounded by 1 when N is an odd number;
stp2, a user inputs a set temperature X ℃ through a control panel, wherein the range of the set temperature X ℃ is 30-60 ℃; the controller in the constant temperature unit detects the actual temperature Y ℃ of the die through a temperature sensor and uploads the actual temperature Y ℃ to the central processing unit through the communication module;
after receiving temperature data of the constant temperature units, the Stp3 and the central processing unit calculate the absolute value Z DEG C of the temperature difference of the constant temperature units (X DEG C-Y DEG C), and order the constant temperature units according to the absolute value Z DEG C of the temperature difference;
stp4, a central processing unit sequences the temperature of Z1 ℃ to Zn ℃ from large to small, and the central processing unit controls the temperature difference absolute value Z ℃ to be sequenced into the first N/2+1 constant temperature units to heat the die;
stp5, when the order of Z1 ℃ to Zn ℃ is changed from big to small, the central processing unit turns on or turns off the heating module of the corresponding constant temperature unit, and the heated constant temperature unit is kept to be N/2+1 before the Z1 ℃ to Zn ℃ from big to small; when the temperatures of Z1 ℃ to Zn ℃ are consistent, heating is firstly carried out according to the sequence from large to small, and when the temperatures are consistent, the central processing unit controls the thermostatic units with smaller numbers to heat preferentially;
stp6, when the temperature sensor detects that the actual temperature Y ℃ of the die reaches the set temperature X ℃, the controller transmits a signal to the central processing unit, and the central processing unit controls the constant temperature unit to stop heating.
It should be noted that, in the above system embodiment, each unit included is only divided according to the functional logic, but not limited to the above division, so long as the corresponding function can be implemented; in addition, the specific names of the functional units are also only for distinguishing from each other, and are not used to limit the protection scope of the present invention.
In addition, it will be understood by those skilled in the art that all or part of the steps in implementing the methods of the embodiments described above may be implemented by a program to instruct related hardware, and the corresponding program may be stored in a computer readable storage medium, such as a ROM/RAM, a magnetic disk or an optical disk, etc.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The power consumption scheduling method of the refrigerator body foaming constant temperature unit is characterized by comprising a scheduling system; the dispatching system comprises a central processing unit and a constant temperature unit; the central processing unit is electrically connected with the constant temperature unit;
the central processing unit is also electrically connected with a control panel and the display module, and the control panel transmits control instructions to the central processing unit;
the constant temperature unit comprises a controller, a temperature sensor, a heating module and a communication module, wherein the controller is respectively and electrically connected with the temperature sensor, the heating module and the communication module; the controller performs information interaction with the central processing unit through the communication module; the controller controls the heating module to heat the die according to the instruction of the central processing unit;
the scheduling system operates according to the following steps:
stp1, numbering the constant temperature unit; the central processing unit controls the constant temperature unit to preheat; the preheating time is 30-60min; after preheating, the central processing unit controls the power consumption of the dispatching system to be (N/2+1) single power, N is the number of constant temperature units, and N/2 is rounded by 1 when N is an odd number;
stp2, a user inputs a set temperature X ℃ through a control panel, and a controller in the constant temperature unit detects the actual temperature Y ℃ of the die through a temperature sensor and uploads the actual temperature Y ℃ to a central processing unit through a communication module;
after receiving temperature data of the constant temperature units, the Stp3 and the central processing unit calculate the absolute value Z DEG C of the temperature difference of the constant temperature units (X DEG C-Y DEG C), and order the constant temperature units according to the absolute value Z DEG C of the temperature difference;
stp4, a central processing unit sequences the temperature of Z1 ℃ to Zn ℃ from large to small, and the central processing unit controls the temperature difference absolute value Z ℃ to be sequenced into the first N/2+1 constant temperature units to heat the die;
stp5, when the order of Z1 ℃ to Zn ℃ is changed from big to small, the central processing unit turns on or turns off the heating module of the corresponding constant temperature unit, and the heated constant temperature unit is kept to be N/2+1 before the Z1 ℃ to Zn ℃ from big to small; when the temperatures of Z1 ℃ to Zn ℃ are consistent, heating is firstly carried out according to the sequence from large to small, and when the temperatures are consistent, the central processing unit controls the thermostatic units with smaller numbers to heat preferentially;
stp6, when the temperature sensor detects that the actual temperature Y ℃ of the die reaches the set temperature X ℃, the controller transmits a signal to the central processing unit, and the central processing unit controls the constant temperature unit to stop heating.
2. The power consumption scheduling method for a refrigerator body foaming thermostatic unit according to claim 1, wherein the set temperature is in the range of 30-60 ℃.
3. The power consumption scheduling method of the refrigerator body foaming thermostatic unit according to claim 1, wherein the heating module is a heating wire, and the communication module is a WIFI communication module or a GPRS communication module or a 433 communication module.
4. The power consumption scheduling method for the refrigerator body foaming thermostatic unit according to claim 1, wherein the display module adopts an LED display screen, and the display module displays temperature data of the thermostatic unit received by the central processing unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210520092.0A CN114801022B (en) | 2022-05-12 | 2022-05-12 | Power consumption scheduling method for refrigerator body foaming constant temperature unit |
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| CN202210520092.0A CN114801022B (en) | 2022-05-12 | 2022-05-12 | Power consumption scheduling method for refrigerator body foaming constant temperature unit |
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| CN114801022A CN114801022A (en) | 2022-07-29 |
| CN114801022B true CN114801022B (en) | 2024-03-12 |
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|---|---|---|---|---|
| US4843084A (en) * | 1987-02-12 | 1989-06-27 | Parker Electronics, Inc. | Thermostat control system |
| US4899288A (en) * | 1984-12-05 | 1990-02-06 | Shigeru Tsutsumi | Temperature control indicating apparatus of a hot runner in a thermoplastic synthetic resin injection molding system |
| KR20100123431A (en) * | 2009-05-15 | 2010-11-24 | 주식회사 한일씨엔에프 | Foam forming method using hot airs and its apparatus thereof |
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| CN108700327A (en) * | 2015-12-10 | 2018-10-23 | 艾默生电气公司 | Self adaptive control for the electric fan with multi-speed tap |
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| US4899288A (en) * | 1984-12-05 | 1990-02-06 | Shigeru Tsutsumi | Temperature control indicating apparatus of a hot runner in a thermoplastic synthetic resin injection molding system |
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| KR20100123431A (en) * | 2009-05-15 | 2010-11-24 | 주식회사 한일씨엔에프 | Foam forming method using hot airs and its apparatus thereof |
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| CN211640726U (en) * | 2020-01-06 | 2020-10-09 | 晋江鼎辉机械有限公司 | EVA foaming sole constant temperature forming machine |
| CN114290597A (en) * | 2021-12-24 | 2022-04-08 | 长虹美菱股份有限公司 | Constant temperature control method for foaming mold of refrigerator cabinet body |
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