CN114801022A - Power utilization scheduling method for refrigerator body foaming constant temperature unit - Google Patents
Power utilization scheduling method for refrigerator body foaming constant temperature unit Download PDFInfo
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- CN114801022A CN114801022A CN202210520092.0A CN202210520092A CN114801022A CN 114801022 A CN114801022 A CN 114801022A CN 202210520092 A CN202210520092 A CN 202210520092A CN 114801022 A CN114801022 A CN 114801022A
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- 238000005187 foaming Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 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 3
- 238000012163 sequencing technique Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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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 utilization scheduling method for a refrigerator body foaming constant temperature unit. The method comprises the following steps: preheating by a constant temperature unit; after preheating is finished, the central processing unit controls the power consumption of the scheduling 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 all the constant temperature units according to the magnitude of the absolute value Z ℃; heating the mould for the first N/2+1 constant temperature units; and 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 sequencing 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 power utilization safety is also improved; and the time period that all constant temperature machines work at full capacity simultaneously is avoided by preheating the constant temperature unit in advance, and normal production and use are not influenced.
Description
Technical Field
The invention belongs to the technical field of refrigerator production control, and particularly relates to a power utilization scheduling method for a refrigerator body foaming constant temperature unit.
Background
When the refrigerator body is foamed, a constant temperature unit is needed to heat the foaming mold, generally speaking, 8 box body foaming molds form a group, one production line generally has 2 groups, each group of box body foaming molds has 3 constant temperature machines, the temperatures of the bottom plate, the front baffle plate, the rear baffle plate, the left side plate, the right side plate and the mold core are respectively controlled, and therefore one production line is 6 constant temperature machines. The 6 thermostats are collectively called as a thermostat unit, the rated power of each thermostat is 50kw, and the rated power of the thermostat unit is 300kw, so that when the thermostat unit is matched with electric power, the rated power of 300kw needs to be matched. However, the time period of each mold needing full heating is only just at the beginning of the operation, and the electric power in other time periods is generally 150 +/-50 kw. This results in wasted power matching and also reduces the safety of power usage.
Disclosure of Invention
The invention aims to provide a power utilization scheduling method for a refrigerator body foaming thermostat unit, which is characterized in that a central processing unit is arranged to detect the temperature of a mould in the thermostat unit in real time, calculate the difference value between the real-time temperature and the set temperature, and sort and determine 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 utilization safety is also improved; and the time period that all constant temperature machines work at full capacity at the same time is avoided by preheating the constant temperature unit in advance, and the normal production and use are not influenced.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a power utilization 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 a control instruction to the central processing unit; the thermostat unit comprises a controller, a temperature sensor, a heating module and a communication module, wherein the controller is electrically connected with the temperature sensor, the heating module and the communication module respectively; the controller carries out information interaction with the central processing unit through the communication module; the controller controls the heating module to heat the mold according to the instruction of the central processing unit;
the scheduling system operates according to the following steps:
stp1, numbering the constant temperature units; the central processing unit controls the constant temperature unit to preheat; preheating for 30-60 min; after preheating is finished, the central processing unit controls the power consumption of the scheduling system to be (N/2+1) power per unit, N is the number of the constant temperature units, and N/2 is rounded by 1 when N is an odd number;
stp2, inputting a set temperature X ℃ by a user through a control panel, detecting the actual temperature Y ℃ of the die by a controller in the constant temperature unit through a temperature sensor, and uploading the actual temperature Y ℃ to a central processing unit through a communication module;
the Stp3 and the central processing unit receive the temperature data of the constant temperature units, then calculate the absolute value of the temperature difference Z DEG C of the constant temperature units as X-Y DEG C, and sort the constant temperature units according to the absolute value of the temperature difference Z DEG C;
stp4 and a central processing unit sequence Z1 ℃ to Zn ℃ from large to small, and the central processing unit controls the absolute value of temperature difference Zn ℃ to sequence N/2+1 constant temperature units in the front to heat the die;
stp5, when the temperature from Z1 ℃ to Zn ℃ changes from big to small, the central processing unit starts or closes the heating module of the corresponding constant temperature unit, and the heated constant temperature units are kept as the first N/2+1 from Z1 ℃ to Zn ℃ from big to small; when the temperature is consistent from Z1 ℃ to Zn ℃, heating is carried out in a sequence from large to small, and when the temperature is consistent, the thermostatic unit with a smaller number is controlled by the central processing unit to preferentially heat;
stp6, when the temperature difference sensor detects that the actual temperature Y ℃ of mould reaches set temperature X ℃, the controller transmits the signal to central processing unit, and central processing unit control this constant temperature unit stops heating.
Preferably, the set temperature X ℃ is in the range of 30-60 ℃.
Preferably, the heating module is a heating electric wire, and the communication module adopts a WIFI communication module, a GPRS communication module or a 433 communication module.
Preferably, the display module adopts an LED display screen, and the display module displays the temperature data of the constant temperature unit received by the central processing unit.
The invention has the following beneficial effects:
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 sort according to the difference value to determine the heating sequence, so that the maximum value of rated power can be effectively reduced, the waste of electric power matching is avoided, and the safety of power utilization is improved; and the time period that all constant temperature machines work at full capacity at the same time is avoided by preheating the constant temperature unit in advance, and the normal production and use are not influenced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a system block diagram of a power utilization scheduling system of a refrigerator body foaming thermostat unit;
FIG. 2 is a system block diagram of a thermostat assembly;
FIG. 3 is a flow chart of a power utilization scheduling method of a refrigerator body foaming thermostat unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, the present invention relates to a power consumption scheduling method for a refrigerator foaming thermostat 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 a control instruction to the central processing unit; the display module adopts an LED display screen and displays the temperature data of the constant temperature unit received by the central processing unit;
the thermostat unit comprises a controller, a temperature sensor, a heating module and a communication module, wherein the controller is electrically connected with the temperature sensor, the heating module and the communication module respectively; the controller carries out information interaction with the central processing unit through the communication module; the controller controls the heating module to heat the mold according to the instruction of the central processing unit; the heating module is a heating electric wire, and the communication module adopts a WIFI communication module or a GPRS communication module or a 433 communication module.
Example two: based on the first embodiment
The embodiment is a power utilization 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 units; the central processing unit controls the constant temperature unit to preheat; preheating for 30-60 min; after preheating is finished, the central processing unit controls the power consumption of the scheduling system to be (N/2+1) per unit of power, N is the number of the constant temperature units, and N/2 is rounded by 1 when N is an odd number;
stp2, inputting a set temperature X ℃ by a user through a control panel, wherein the set temperature X ℃ is in the range of 30-60 ℃; 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;
the Stp3 and the central processing unit receive the temperature data of the constant temperature units, then calculate the absolute value of the temperature difference Z DEG C of the constant temperature units as X-Y DEG C, and sort the constant temperature units according to the magnitude of the absolute value of the temperature difference Z DEG C;
stp4 and a central processing unit sequence Z1 ℃ to Zn ℃ from large to small, and the central processing unit controls the absolute value of temperature difference Z ℃ to sequence the first N/2+1 constant temperature units to heat the die;
stp5, when the temperature from Z1 ℃ to Zn ℃ changes from big to small, the central processor opens or closes the heating module of the corresponding constant temperature unit, and the constant temperature unit for heating is kept as the first N/2+1 from Z1 ℃ to Zn ℃ from big to small; when the temperature is consistent from Z1 ℃ to Zn ℃, heating is carried out according to the sequence from big to small, and when the temperature is consistent, the central processing unit controls the thermostat unit with a smaller number to preferentially heat;
stp6, when the temperature difference sensor detects that the actual temperature Y ℃ of mould reaches set temperature X ℃, the controller transmits the signal to central processing unit, and central processing unit control this constant temperature unit stops heating.
It should be noted that, in the above system embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
In addition, it can be understood by those skilled in the art that all or part of the steps in the method for implementing the embodiments described above can be implemented by instructing the relevant hardware through a program, and the corresponding program can be stored in a computer-readable storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, or the like.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments 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 utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A power utilization scheduling method of a refrigerator body foaming thermostat unit is characterized by comprising a scheduling system; the dispatching system comprises a central processing unit and a constant temperature unit; the central processor 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 a control instruction to the central processing unit;
the thermostat unit comprises a controller, a temperature sensor, a heating module and a communication module, wherein the controller is electrically connected with the temperature sensor, the heating module and the communication module respectively; the controller carries out information interaction with the central processing unit through the communication module; the controller controls the heating module to heat the mold according to the instruction of the central processing unit;
the scheduling system operates according to the following steps:
stp1, numbering the constant temperature units; the central processing unit controls the constant temperature unit to preheat; preheating for 30-60 min; after preheating is finished, the central processing unit controls the power consumption of the scheduling system to be (N/2+1) per unit of power, N is the number of the constant temperature units, and N/2 is rounded by 1 when N is an odd number;
stp2, inputting a set temperature X ℃ by a user through a control panel, detecting the actual temperature Y ℃ of the die by a controller in the constant temperature unit through a temperature sensor, and uploading the actual temperature Y ℃ to a central processing unit through a communication module;
the Stp3 and the central processing unit receive the temperature data of the constant temperature units, then calculate the absolute value of the temperature difference Z DEG C of the constant temperature units as X-Y DEG C, and sort the constant temperature units according to the absolute value of the temperature difference Z DEG C;
stp4 and a central processing unit sequence Z1 ℃ to Zn ℃ from large to small, and the central processing unit controls the absolute value of temperature difference Z ℃ to sequence the first N/2+1 constant temperature units to heat the die;
stp5, when the temperature from Z1 ℃ to Zn ℃ changes from big to small, the central processor opens or closes the heating module of the corresponding constant temperature unit, and the constant temperature unit for heating is kept as the first N/2+1 from Z1 ℃ to Zn ℃ from big to small; when the temperature is consistent from Z1 ℃ to Zn ℃, heating is carried out according to the sequence from big to small, and when the temperature is consistent, the central processing unit controls the thermostat unit with a smaller number to preferentially heat;
stp6, when the temperature difference sensor detects that the actual temperature Y ℃ of mould reaches set temperature X ℃, the controller transmits the signal to central processing unit, and central processing unit control this constant temperature unit stops heating.
2. The power utilization scheduling method of the refrigerator body foaming thermostatic unit according to claim 1, wherein the set temperature X ℃ is in a range of 30-60 ℃.
3. The power utilization scheduling method of the refrigerator body foaming thermostat unit according to claim 1, characterized in that 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 utilization scheduling method of the refrigerator body foaming thermostat unit according to claim 1, characterized in that the display module adopts an LED display screen, and the display module displays temperature data of the thermostat unit received by the central processing unit.
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|---|---|---|---|---|
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