CN105627688B - The refrigeration control method and system of a kind of semiconductor cooling-heating box - Google Patents
The refrigeration control method and system of a kind of semiconductor cooling-heating box Download PDFInfo
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- CN105627688B CN105627688B CN201610013325.2A CN201610013325A CN105627688B CN 105627688 B CN105627688 B CN 105627688B CN 201610013325 A CN201610013325 A CN 201610013325A CN 105627688 B CN105627688 B CN 105627688B
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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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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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
- F25D2600/00—Control issues
- F25D2600/02—Timing
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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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of refrigeration control method of semiconductor cooling-heating box and system.This method includes obtaining the temperature T1 inside cool and hot box；If it is determined that the temperature T1 is more than preset high-temperature temperature, the supply voltage for controlling the cooling piece of the cool and hot box is total head；If it is determined that the temperature T1 is in preset cooling scope, the supply voltage for controlling the cooling piece is the first low pressure；If it is determined that the temperature T1 is in preset heat-preserving range, the supply voltage for controlling the cooling piece is the second low pressure；Wherein, total head>First low pressure>Second low pressure.The present invention is by obtaining the temperature T1 inside cool and hot box, the magnitude of voltage of the supply voltage of the cooling piece of cool and hot box is controlled according to temperature T1, avoid and frequently control being turned on and off for cooling piece, effectively reduce the on-off times of cooling piece, make the temperature in cool and hot box more uniform, temperature fluctuation reduces, and extends cooling piece service life, while effectively reduce noise and energy consumption.
Description
Technical field
The present invention relates to the refrigeration control method and system of refrigeration technology field, more particularly to a kind of semiconductor cooling-heating box.
Background technology
Along with the raising of the level of consumption of resident, people increasingly advocate the life of high-quality, and cool and hot box is increasingly becoming
The basic configuration of people's daily life.Semiconductor cooling-heating box because its small volume, cost is low, easy to remove the advantages that lie fallow out of doors
Larger market is occupied in field.The refrigeration control method of conventional refrigeration hot tank is using " arrival shutoff temperature just stops cooling piece, treats temperature
Go back up to turn-on temperature and just open cooling piece " method, cause switching on and shutting down frequent, temperature fluctuation is larger in refrigerator；Core parts system
Cold service life step-down；Energy consumption is big.The present invention controls cool and hot box by obtaining the temperature T1 inside cool and hot box, according to temperature T1
Cooling piece supply voltage magnitude of voltage, avoid and frequently control cooling piece to be turned on and off, effectively reduce refrigeration
The on-off times of piece, make the temperature in cool and hot box more uniform, temperature fluctuation reduces, and extends cooling piece service life, has simultaneously
Effect reduces energy consumption.
The content of the invention
The present invention controls the power supply electricity of the cooling piece of cool and hot box according to temperature T1 by obtaining the temperature T1 inside cool and hot box
The magnitude of voltage of pressure, avoid and frequently control being turned on and off for cooling piece, effectively reduce the on-off times of cooling piece, make cold
Temperature in hot tank is more uniform, and temperature fluctuation reduces, and extends cooling piece service life, while effectively reduce energy consumption.
To use following technical scheme up to this purpose, the present invention：
In a first aspect, the present invention proposes a kind of refrigeration control method and system of semiconductor cooling-heating box, including：
Obtain the temperature T1 inside cool and hot box；
If it is determined that the temperature T1 is more than preset high-temperature temperature, the supply voltage for controlling the cooling piece of the cool and hot box is complete
Pressure；
If it is determined that the temperature T1 is in preset cooling scope, the supply voltage for controlling the cooling piece is the first low pressure；
If it is determined that the temperature T1 is in preset heat-preserving range, the supply voltage for controlling the cooling piece is the second low pressure；
Wherein, total head>First low pressure>Second low pressure.
Wherein, after the supply voltage for controlling the cooling piece is the second low pressure, in addition to：
It is determined that the supply voltage of the cooling piece is controlled to be more than or equal to preset low-voltage temperature-keeping for the duration of the second low pressure
Time, the supply voltage for controlling the cooling piece are the 3rd low pressure；
Determine that the supply voltage of the cooling piece is more than or equal to preset stopping cooling time for the duration of the 3rd low pressure,
Close the power supply of the cooling piece；
Wherein, the second low pressure>3rd low pressure.
Wherein, after the temperature T1 obtained inside cool and hot box, in addition to：
If it is determined that the temperature T1 is less than or equal to preset low temperature temperature, control the supply voltage of the cooling piece low for the 3rd
Pressure；
Determine that the supply voltage of the cooling piece is more than or equal to preset stopping cooling time for the duration of the 3rd low pressure,
Close the power supply of the cooling piece；
Wherein, the second low pressure>3rd low pressure.
Wherein, it is described if it is determined that the temperature T1 be more than preset high-temperature temperature after, in addition to：Control the cool and hot box
The rotating speed of fan is preset high rotating speed；
It is described if it is determined that the temperature T1 be in it is preset cooling scope after, in addition to：Control the fan of the cool and hot box
Rotating speed be the preset slow-speed of revolution；
It is described if it is determined that the temperature T1 is in after preset heat-preserving range, in addition to：Control the fan of the cool and hot box
Rotating speed be the preset slow-speed of revolution；
It is described if it is determined that the temperature T1 be less than or equal to preset low temperature temperature after, in addition to：Control the cool and hot box
Fan is stopped.
Wherein, this method also includes：
The electric current of the cooling piece is periodically obtained, determines time of the electric current not in the range of preset running current
Number exceedes predetermined times threshold value, sends cooling piece fault-signal；
The rotating speed of the fan is periodically obtained, determines that the rotating speed is less than preset minimum speed, sends fan failure letter
Number.
Wherein, preset high-temperature temperature=Ts+0.5 DEG C of the cool and hot box design temperature；It is described it is preset cooling scope be：(Ts-
0.5 DEG C, Ts+0.5 DEG C]；The preset heat-preserving range is：(Ts-1 DEG C, Ts-0.5 DEG C]；Preset low temperature temperature=the cool and hot box
Ts-1 DEG C of design temperature；The preset running current scope is：(2.5A, 6.5A).
Second aspect, the present invention propose the refrigeration control method of another semiconductor cooling-heating box, including：
Confirmation cool and hot box is normal-power；Perform above-mentioned refrigeration control method；
Confirmation cool and hot box is low-power mode；Obtain the temperature T2 inside cool and hot box；If it is determined that the temperature T2 is more than in advance
Low temperature threshold is put, the supply voltage for controlling the cooling piece is the second low pressure；If it is determined that the temperature T2 is less than or equal to set low in advance
Warm threshold value, the supply voltage for controlling the cooling piece are the 3rd low pressure；
Wherein, the second low pressure>3rd low pressure.
Wherein, before the confirmation cool and hot box is low-power mode, in addition to：Confirmation is not examined in preset time span
Measure the enabling signal of the cool and hot box.
Wherein, after the temperature T2 obtained inside cool and hot box, in addition to：If it is determined that the temperature T2 is more than or equal in advance
Pattern switching temperature is put, then cool and hot box is converted into normal-power by low-power mode.
The third aspect, the present invention propose a kind of refrigeration control system of semiconductor cooling-heating box, including：First temperature obtains mould
Block, total head cooling module, low pressure cooling module and the first low-voltage temperature-keeping module；
First temperature acquisition module：For obtaining the temperature T1 inside cool and hot box；
The total head cooling module：For if it is determined that the temperature T1 is more than preset high-temperature temperature, controlling the cool and hot box
The supply voltage of cooling piece be total head；
The low pressure cooling module：For if it is determined that the temperature T1 is in preset cooling scope, controlling the cooling piece
Supply voltage be the first low pressure；
The first low-voltage temperature-keeping module：For if it is determined that the temperature T1 is in preset heat-preserving range, controlling the system
The supply voltage of cold is the second low pressure.
Wherein, the system also includes：It is high to be incubated timing module, the second low-voltage temperature-keeping module, cooling piece shut-off module, fan
Rotational speed control module, fan slow-speed of revolution control module, fan stopping modular, cooling piece fault detection module and fan failure detection
Module；
The insulation timing module：The duration that the supply voltage of the cooling piece is the second low pressure is controlled for determination
More than or equal to the preset low-voltage temperature-keeping time, the supply voltage for controlling the cooling piece is the 3rd low pressure；
The second low-voltage temperature-keeping module：For if it is determined that the temperature T1 is less than or equal to preset low temperature temperature, control institute
The supply voltage for stating cooling piece is the 3rd low pressure；
The cooling piece turns off module：It is big for the duration of the 3rd low pressure for determining the supply voltage of the cooling piece
In the power supply for equal to preset stopping cooling time, closing the cooling piece；
The high rotational speed control module of fan：The rotating speed of fan for controlling the cool and hot box is preset high rotating speed；
The fan slow-speed of revolution control module：The rotating speed of fan for controlling the cool and hot box is the preset slow-speed of revolution；
The fan stopping modular：For controlling the fan of the cool and hot box to be stopped；
The cooling piece fault detection module：For periodically obtaining the electric current of the cooling piece, the electric current is determined not
Number in the range of preset running current exceedes predetermined times threshold value, sends cooling piece fault-signal；
The fan failure detection module：For periodically obtaining the rotating speed of the fan, it is pre- to determine that the rotating speed is less than
Minimum speed is put, sends fan failure signal.
Fourth aspect, the present invention propose the refrigeration control system of another semiconductor cooling-heating box, including：Normal-power
Confirm module, the first temperature acquisition module, total head cooling module, low pressure cooling module, the first low-voltage temperature-keeping module, low energy consumption mould
Formula confirms module, second temperature acquisition module, the second low-voltage temperature-keeping module, the 3rd low-voltage temperature-keeping module and mode switch module；
The normal-power confirms module：For confirming that cool and hot box is normal-power；
First temperature acquisition module：For obtaining the temperature T1 inside cool and hot box；
The total head cooling module：For if it is determined that the temperature T1 is more than preset high-temperature temperature, controlling the cool and hot box
The supply voltage of cooling piece be total head；
The low pressure cooling module：For if it is determined that the temperature T1 is in preset cooling scope, controlling the cooling piece
Supply voltage be the first low pressure；
The first low-voltage temperature-keeping module：For if it is determined that the temperature T1 is in preset heat-preserving range, controlling the system
The supply voltage of cold is the second low pressure；
The low-power mode confirms module：For confirming that cool and hot box is low-power mode；
The second temperature acquisition module：For obtaining the temperature T2 inside cool and hot box；
The second low-voltage temperature-keeping module：For if it is determined that the temperature T2 is more than preset low temperature threshold value, controlling the system
The supply voltage of cold is the second low pressure；
The 3rd low-voltage temperature-keeping module：For if it is determined that the temperature T2 is less than or equal to preset low temperature threshold value, control institute
The supply voltage for stating cooling piece is the 3rd low pressure；
Shown mode switch module：, then will be cold for if it is determined that the temperature T2 is more than or equal to prepattern switching temperature
Hot tank is converted to normal-power by low-power mode.
Beneficial effect of the present invention：The present invention controls cool and hot box by obtaining the temperature T1 inside cool and hot box, according to temperature T1
Cooling piece supply voltage magnitude of voltage, avoid and frequently control cooling piece to be turned on and off, effectively reduce refrigeration
The on-off times of piece, make the temperature in cool and hot box more uniform, temperature fluctuation reduces, and extends cooling piece service life, has simultaneously
Effect reduces energy consumption.
Brief description of the drawings
Fig. 1 is the method flow of the embodiment of the method one of the refrigeration control method of semiconductor cooling-heating box provided by the invention
Figure.
Fig. 2 is the method flow of the embodiment of the method two of the refrigeration control method of semiconductor cooling-heating box provided by the invention
Figure.
Fig. 3 is a kind of method flow diagram of preferred embodiment of embodiment of the method two provided by the invention.
Fig. 4 is the method flow diagram of another preferred embodiment of embodiment of the method two provided by the invention.
Fig. 5 is the method flow of the embodiment of the method four of the refrigeration control method of semiconductor cooling-heating box provided by the invention
Figure.
Fig. 6 is the functional module of the system embodiment one of the refrigeration control system of semiconductor cooling-heating box provided by the invention
Figure.
Fig. 7 is the functional module of the system embodiment two of the refrigeration control system of semiconductor cooling-heating box provided by the invention
Figure.
Fig. 8 is the functional module of the system embodiment three of the refrigeration control system of semiconductor cooling-heating box provided by the invention
Figure.
Fig. 9 is that the refrigerating method effect of conventional semiconductors cool and hot box is imitated with the refrigerating method of the semiconductor cooling-heating box of the present invention
The comparison diagram of fruit.
Embodiment
Below in conjunction with accompanying drawing, technical scheme is further illustrated by specific embodiment.
Embodiment one
With reference to figure 1, a kind of refrigeration control method of semiconductor cooling-heating box is present embodiments provided, including：
Temperature T1 inside S101, acquisition cool and hot box.
The temperature T1 inside cool and hot box is periodically obtained, in order to more accurately control cool and hot box refrigeration, obtains the cycle
As far as possible smaller, in order to guarantee to get the temperature inside cool and hot box in real time, the acquisition cycle in the present embodiment is with the second
It is optimal for the 1-10 seconds for unit.
The temperature T1 inside cool and hot box is obtained, by temperature T1 compared with cool and hot box design temperature Ts, is tied according to comparing
Decisive and resolute fixed the step of performing afterwards, the temperature inside cool and hot box is controlled to be maintained in the range of [Ts-0.5 DEG C, Ts+0.5 DEG C].
S102, if it is determined that the temperature T1 is more than preset high-temperature temperature, control the power supply electricity of the cooling piece of the cool and hot box
Press as total head.
If temperature T1 is more than preset high-temperature temperature, the supply voltage of the cooling piece of the cool and hot box is total head, high-power
Cool and hot box is cooled；Preset high-temperature temperature is Ts+0.5 DEG C of cool and hot box design temperature.Total head is the input voltage of system
Identical, the present invention is not specifically limited to the magnitude of voltage of the input voltage of system, it is preferred that the system of the cool and hot box in the present embodiment
The supply voltage of the cooling piece of cool and hot box is 12V when the supply voltage of cold is total head.
S103, if it is determined that the temperature T1 is in preset cooling scope, the supply voltage for controlling the cooling piece is first
Low pressure.
If temperature T1 is in preset cooling scope, the supply voltage of the cooling piece of the cool and hot box is the first low pressure, is fitted
When reduction cooling piece power；It is preset cooling scope for (Ts-0.5 DEG C, Ts+0.5 DEG C].Wherein, the input to system is passed through
Voltage carries out appropriate decompression processing so that the supply voltage of final cooling piece is on the basis of the input voltage of system according to certain
Ratio be reduced to the first low pressure, total head in the present invention>First low pressure, the first low pressure is 8.5V in the present embodiment；The present embodiment
To realizing that the supply voltage of the cooling piece voltage reduction method on the basis of the input voltage of system is not particularly limited, in the present embodiment
Realized and be depressured using reduction voltage circuit.
S104, if it is determined that the temperature T1 is in preset heat-preserving range, the supply voltage for controlling the cooling piece is second
Low pressure.
If temperature T1 is in preset heat-preserving range, illustrate that the temperature of now cool and hot box is sufficiently low, it is not necessary to again to cold
The cooling piece of hot tank provides too high voltage, then the supply voltage of the cooling piece of cool and hot box is the second low pressure, appropriate reduction system
The power of cold；Preset heat-preserving range for (Ts-1 DEG C, Ts-0.5 DEG C].By being carried out to the input voltage of system at appropriate decompression
Reason so that it is low that the supply voltage of final cooling piece is reduced to second on the basis of the input voltage of system according to certain ratio
Press, the first low pressure in the present invention>Second low pressure, it is preferred that the second low pressure is 5.5V；The present embodiment is to realizing the power supply of cooling piece
Voltage voltage reduction method on the basis of the input voltage of system is not particularly limited, and drop is realized using reduction voltage circuit in the present embodiment
Pressure.
Wherein, step S102, step S103, step S104 select a progress according to the temperature T1 obtained in step S101.
The present embodiment controls the power supply of the cooling piece of cool and hot box according to temperature T1 by obtaining the temperature T1 inside cool and hot box
The magnitude of voltage of voltage, avoid and frequently control being turned on and off for cooling piece, effectively reduce the on-off times of cooling piece, make
Temperature in cool and hot box is more uniform, and temperature fluctuation reduces, and extends cooling piece service life, while effectively reduce energy consumption；According to examination
Number is tested it was demonstrated that the present embodiment can control the temperature fluctuations of cool and hot box within 1 DEG C.
Embodiment two
With reference to figure 2, the refrigeration control method of another semiconductor cooling-heating box is present embodiments provided, including：
Temperature T1 inside S201, acquisition cool and hot box.
S202, if it is determined that the temperature T1 is more than preset high-temperature temperature, control the power supply electricity of the cooling piece of the cool and hot box
Press as total head.
S203, if it is determined that the temperature T1 is in preset cooling scope, the supply voltage for controlling the cooling piece is first
Low pressure.
S204, if it is determined that the temperature T1 is in preset heat-preserving range, the supply voltage for controlling the cooling piece is second
Low pressure.
Wherein, step S201, step S202, step S203, step S204 respectively with step S101, step S102, step
S103, step S104 are identical, and here is omitted；Wherein, step S202, step S203, step S204 according in step S201
The temperature T1 of acquisition and select a progress.
S205, determination control the supply voltage of the cooling piece to be more than or equal to preset low pressure for the duration of the second low pressure
Soaking time, the supply voltage for controlling the cooling piece are the 3rd low pressure.
Now, although the supply voltage of cooling piece is relatively low, still in cooling state；In order to avoid the temperature inside cool and hot box
Degree continues for reducing, and the temperature inside cool and hot box is maintained in the range of [Ts-0.5 DEG C, Ts+0.5 DEG C], record-keeping system
The supply voltage of cold is the duration of the second low pressure, when the supply voltage of cooling piece is more than for the duration of the second low pressure
During the preset low-voltage temperature-keeping time, the supply voltage of cooling piece is further reduced.The present invention is not done to the preset low-voltage temperature-keeping time to be had
Body limits, it is preferred that the preset low-voltage temperature-keeping time in the present embodiment is arranged to 60 minutes.
Pass through and appropriate decompression processing is carried out to the input voltage of system so that the supply voltage of final cooling piece is reduced to the
Three low pressure, the present invention in the second low pressure>3rd low pressure, wherein, the 3rd low pressure is 3V；The present embodiment is to realizing the power supply of cooling piece
Voltage voltage reduction method on the basis of the input voltage of system is not particularly limited, and drop is realized using reduction voltage circuit in the present embodiment
Pressure.
S206, determine that the supply voltage of the cooling piece is more than or equal to preset stopping for the duration of the 3rd low pressure and freezed
Time, close the power supply of the cooling piece.
When the supply voltage of cooling piece is three low pressure, still in cooling state, the supply voltage to cooling piece is the 3rd
The duration of low pressure is recorded, when the supply voltage of cooling piece is more than or equal to preset stopping for the duration of the 3rd low pressure
During cooling time, the power supply of the cooling piece is closed.The present invention is not particularly limited to preset stopping cooling time, preferably
, the preset stopping cooling time in the present embodiment is arranged to 5 minutes, may be arranged as in addition 10 minutes or 15 minutes.
After closing the power supply of the cooling piece, cooling piece is stopped, and the temperature inside cool and hot box can rise,
When temperature is raised, according to the temperature T1 inside the cool and hot box of acquisition, perform above-mentioned steps S201, step S202, step S203,
Step S204, step S205.
As shown in Figure 3, it is preferred that after step S201, step S206 also includes：
Step S207, if it is determined that the temperature T1 is less than or equal to preset low temperature temperature, the power supply electricity of the cooling piece is controlled
Press as the 3rd low pressure.
If temperature T1 is less than or equal to preset low temperature temperature, illustrate that the temperature of now cool and hot box is sufficiently low, it is not necessary to again
Too high voltage is provided the cooling piece of cool and hot box, then the supply voltage of the cooling piece of cool and hot box is the 3rd low pressure, appropriate drop
The power of low cooling piece；Preset low temperature temperature is Ts-1 DEG C.
Wherein step S205 and step S206 is used to control the supply voltage of the cooling piece to be the 3rd low pressure, alternatively
Carry out.
As shown in figure 4, also include after step S202 in the present embodiment：
S208, the rotating speed of fan for controlling the cool and hot box are preset high rotating speed.
If it is determined that the temperature T1 is more than preset high-temperature temperature in step S202, the confession of the cooling piece of the cool and hot box is controlled
Piezoelectric voltage is total head；Now the supply voltage of cooling piece is larger, and the power of cooling piece is higher, causes cooling piece to produce higher
Heat, it is therefore desirable to which the rotating speed for controlling the fan of the cool and hot box is preset high rotating speed, for effectively being dissipated to cooling piece
Heat.
Preset high rotating speed is the rated speed of fan, the rated speed 2000rpm of fan in the present embodiment.
Also include after step S203：
S209, the rotating speed of fan for controlling the cool and hot box are the preset slow-speed of revolution.
If it is determined that the temperature T1 is in preset cooling scope in step S203, the confession of the cooling piece of the cool and hot box is controlled
Piezoelectric voltage is the first low pressure；Now the supply voltage of cooling piece is smaller, and the power of cooling piece is relatively low, but cooling piece can be produced still
Raw corresponding heat, it is therefore desirable to which the rotating speed for controlling the fan of the cool and hot box is the preset slow-speed of revolution, can be carried out to cooling piece
Effective radiating, and larger noise will not be sent simultaneously；The preset slow-speed of revolution in this implementation is 1500rpm.
Also include after step s 204：
S2010, the rotating speed of fan for controlling the cool and hot box are the preset slow-speed of revolution.
Step S2010 is identical with step S209, and here is omitted.
Also include after step S205 or step S207：
S2011, the fan of the control cool and hot box are stopped.
The supply voltage that the cooling piece is controlled in step S205 is the 3rd low pressure, and now the supply voltage of cooling piece is only
3V, the power of cooling piece is relatively low, and in step S206 by the supply voltage of cooling piece shown in closing, now caused by cooling piece
Heat can be ignored, it is no longer necessary to cooling piece is radiated, then controls the fan of the cool and hot box to be stopped, efficiency reduces
Energy consumption.
The present embodiment also includes：
S2012, the electric current for periodically obtaining the cooling piece, determine the electric current not in preset running current scope
Interior number exceedes predetermined times threshold value, sends cooling piece fault-signal.
Acquisition cycle and the acquisition cycle of the temperature T1 inside cool and hot box of the electric current of cooling piece can be with identical, can also not
It is identical, it can be adjusted according to the actual demand of user, the acquisition cycle of the electric current of cooling piece is 30 minutes in the present embodiment.
Preset running current scope is [2.5A, 6.5A]；Predetermined times threshold value can be adjusted according to the actual demand of user,
In the present embodiment, predetermined times threshold value is three times.Determine that number of the electric current not in the range of preset running current can
It can also be discontinuous number to think continuous number, more reasonably, determine the electric current not in preset running current
In the range of number exceed predetermined times threshold value to determine continuous time not in the range of preset running current of the electric current
Number exceedes predetermined times threshold value.
S2013, the rotating speed for periodically obtaining the fan, determine that the rotating speed is less than preset minimum speed, send fan
Fault-signal.
The acquisition of temperature T1 inside the acquisition cycle of the rotating speed of fan and the acquisition cycle of the electric current of cooling piece, cool and hot box
Cycle be able to can also be differed with identical, can be adjusted according to the actual demand of user, the electricity of cooling piece in the present embodiment
The acquisition cycle of stream is 3 minutes.Preset minimum speed can be adjusted according to the actual demand of user, in this implementation it is preset most
The slow-speed of revolution is the 80% of fan's rated speed.
The present embodiment is effectively reduced energy consumption, subtracted by the rotating speed according to the temperature T1 control fans obtained inside cool and hot box
Small noise；The failure that cool and hot box can effectively be judged simultaneously is fan failure or cooling piece failure；According to test data, this implementation
Example can effectively reduce by 10% energy consumption, averagely reduce noise 3dB.
Embodiment three
With reference to figure 5, the refrigeration control method of another semiconductor cooling-heating box is present embodiments provided, including：
S301, confirmation are not detected by the enabling signal of the cool and hot box in preset time span.
The enabling signal of cool and hot box is detected by micro-control module, if being not detected by preset time span described cold
The enabling signal of hot tank, then explanation utilization rate of cool and hot box in preset time span is relatively low, it is not necessary to high-power work,
Now, then step S302 is continued executing with.Wherein, preset time span can be adjusted according to the actual demand of user, this reality
Time span preset in example is applied as 72 hours.
S302, determine that cool and hot box is low-power mode.
Embodiment one to the refrigeration control method of the cool and hot box of embodiment two is defined as normal-power；Work as microcontroller
When module is not detected by the enabling signal of the cool and hot box in preset time span, then cool and hot box is controlled to enter low energy consumption mould
Formula.
Temperature T2 inside S303, acquisition cool and hot box.
After controlling cool and hot box to enter low-power mode, the temperature inside cool and hot box is still obtained, now periodically to obtain
Take the temperature T2 inside cool and hot box, the temperature T2's inside cool and hot box obtains cycle and the acquisition week of the temperature T1 inside cool and hot box
Phase is different, and the temperature T2's inside cool and hot box obtains acquisition cycle of the cycle more than the temperature T1 inside cool and hot box, the present embodiment
In, the acquisition cycle of the temperature T2 inside cool and hot box is 24 hours.
The temperature T2 inside cool and hot box is obtained, by temperature T2 compared with cool and hot box design temperature Ts, is tied according to comparing
How fruit selection next step performs.
S304, if it is determined that the temperature T2 is more than preset low temperature threshold value, the supply voltage for controlling the cooling piece is second
Low pressure.
When temperature T2 is more than preset low temperature threshold value, the supply voltage for controlling the cooling piece is the second low pressure, makes cool and hot box
It can be cooled under low-power；Wherein, preset low temperature threshold value can be adjusted according to the actual demand of user, the present embodiment
Middle preset low temperature threshold value is Ts-1 DEG C.
S305, the rotating speed of fan for controlling the cool and hot box are the preset slow-speed of revolution.
S306, if it is determined that the temperature T2 is less than or equal to preset low temperature threshold value, the supply voltage for controlling the cooling piece is
3rd low pressure.
When temperature T2 is less than or equal to preset low temperature threshold value, now cool and hot box needs not continue to cool, then controls the refrigeration
The supply voltage of piece is the 3rd low pressure；Preset low temperature threshold value can be adjusted according to the actual demand of user, pre- in the present embodiment
It is Ts-1 to put low temperature threshold.
S307, the fan of the control cool and hot box are stopped.
S308, if it is determined that the temperature T2 is more than or equal to prepattern switching temperature, then by cool and hot box by low-power mode
Be converted to as normal-power.
Because cool and hot box is in low-power mode, no longer being cooled substantially, the temperature inside cool and hot box can rise,
In order to keep temperature inside cool and hot box can relative constancy, temperature T2 is more than or equal to prepattern switching temperature, then will be cold and hot
Case is converted to normal-power by low-power mode, is performed by embodiment one to the step of embodiment two.
S309, the electric current for periodically obtaining the cooling piece, determine the electric current not in preset running current scope
Interior number exceedes predetermined times threshold value, sends cooling piece fault-signal.
S3010, the rotating speed for periodically obtaining the fan, determine that the rotating speed is less than preset minimum speed, send fan
Fault-signal.
Wherein, step S309, step S3010 is identical with step S2012, step S2013 respectively, and here is omitted.
A kind of refrigeration control method of low-power mode is present embodiments provided, cool and hot box is being entered one when not in use for a long time
Step reduces energy consumption.
Example IV
With reference to figure 6, a kind of refrigeration control system of semiconductor cooling-heating box is present embodiments provided.
Present embodiments providing a kind of refrigeration control system of semiconductor cooling-heating box includes：
First temperature acquisition module 101：For obtaining the temperature T1 inside cool and hot box.
Total head cooling module 102：For if it is determined that the temperature T1 is more than preset high-temperature temperature, controlling the cool and hot box
The supply voltage of cooling piece is total head.
Low pressure cooling module 103：For if it is determined that the temperature T1 is in preset cooling scope, controlling the cooling piece
Supply voltage is the first low pressure.
First low-voltage temperature-keeping module 104：For if it is determined that the temperature T1 is in preset heat-preserving range, controlling the refrigeration
The supply voltage of piece is the second low pressure.
The present embodiment controls the power supply of the cooling piece of cool and hot box according to temperature T1 by obtaining the temperature T1 inside cool and hot box
The magnitude of voltage of voltage, avoid and frequently control being turned on and off for cooling piece, effectively reduce the on-off times of cooling piece, make
Temperature in cool and hot box is more uniform, and temperature fluctuation reduces, and extends cooling piece service life, while effectively reduce energy consumption.
Embodiment five
With reference to figure 7, a kind of refrigeration control system of semiconductor cooling-heating box is present embodiments provided, is provided with embodiment two
The refrigeration control method of semiconductor cooling-heating box is corresponding, and not yet detailed part refers to embodiment two.
Present embodiments providing a kind of refrigeration control system of semiconductor cooling-heating box includes：
First temperature acquisition module 201：For obtaining the temperature T1 inside cool and hot box.
Total head cooling module 202：For if it is determined that the temperature T1 is more than preset high-temperature temperature, controlling the cool and hot box
The supply voltage of cooling piece is total head.
Low pressure cooling module 203：For if it is determined that the temperature T1 is in preset cooling scope, controlling the cooling piece
Supply voltage is the first low pressure.
First low-voltage temperature-keeping module 204：For if it is determined that the temperature T1 is in preset heat-preserving range, controlling the refrigeration
The supply voltage of piece is the second low pressure.
It is incubated timing module 205：The duration that the supply voltage of the cooling piece is the second low pressure is controlled for determination
More than or equal to the preset low-voltage temperature-keeping time, the supply voltage for controlling the cooling piece is the 3rd low pressure.
Second low-voltage temperature-keeping module 206：For if it is determined that the temperature T1 is less than or equal to preset low temperature temperature, described in control
The supply voltage of cooling piece is the 3rd low pressure.
Cooling piece turns off module 207：It is big for the duration of the 3rd low pressure for determining the supply voltage of the cooling piece
In the power supply for equal to preset stopping cooling time, closing the cooling piece.
The high rotational speed control module 208 of fan：The rotating speed of fan for controlling the cool and hot box is preset high rotating speed.
Fan slow-speed of revolution control module 209：The rotating speed of fan for controlling the cool and hot box is the preset slow-speed of revolution.
Fan stopping modular 210：For controlling the fan of the cool and hot box to be stopped.
Cooling piece fault detection module 211：For periodically obtaining the electric current of the cooling piece, determine that the electric current does not exist
Number in the range of preset running current exceedes predetermined times threshold value, sends cooling piece fault-signal.
Fan failure detection module 212：For periodically obtaining the rotating speed of the fan, it is preset to determine that the rotating speed is less than
Minimum speed, send fan failure signal.
The present embodiment is effectively reduced energy consumption, subtracted by the rotating speed according to the temperature T1 control fans obtained inside cool and hot box
Small noise；The failure that cool and hot box can effectively be judged simultaneously is fan failure or cooling piece failure.
Embodiment six
With reference to figure 8, a kind of refrigeration control system of semiconductor cooling-heating box is present embodiments provided, is provided with example IV
The video broadcasting method of refresh memory is helped to correspond to, not yet detailed part refers to example IV.
Present embodiments providing a kind of refrigeration control system of semiconductor cooling-heating box includes：
Normal-power confirms module 301：For confirming that cool and hot box is normal-power.
First temperature acquisition module 302：For obtaining the temperature T1 inside cool and hot box.
Total head cooling module 303：For if it is determined that the temperature T1 is more than preset high-temperature temperature, controlling the cool and hot box
The supply voltage of cooling piece is total head.
Low pressure cooling module 304：For if it is determined that the temperature T1 is in preset cooling scope, controlling the cooling piece
Supply voltage is the first low pressure.
First low-voltage temperature-keeping module 305：For if it is determined that the temperature T1 is in preset heat-preserving range, controlling the refrigeration
The supply voltage of piece is the second low pressure.
Low-power mode confirms module 306：For confirming that cool and hot box is low-power mode.
Second temperature acquisition module 307：For obtaining the temperature T2 inside cool and hot box.
Second low-voltage temperature-keeping module 308：For if it is determined that the temperature T2 is more than preset low temperature threshold value, controlling the refrigeration
The supply voltage of piece is the second low pressure.
3rd low-voltage temperature-keeping module 309：For if it is determined that the temperature T2 is less than or equal to preset low temperature threshold value, described in control
The supply voltage of cooling piece is the 3rd low pressure.
Mode switch module 310：, then will be cold and hot for if it is determined that the temperature T2 is more than or equal to prepattern switching temperature
Case is converted to normal-power by low-power mode.
A kind of refrigeration control method of low-power mode is present embodiments provided, cool and hot box is being entered one when not in use for a long time
Step reduces energy consumption.
The refrigeration control method present invention of semiconductor cooling-heating box provided by the invention is by obtaining the temperature inside cool and hot box
T1, the magnitude of voltage of the supply voltage of the cooling piece of cool and hot box is controlled according to temperature T1, avoid and frequently control opening for cooling piece
Open or close, effectively reduce the on-off times of cooling piece, make the temperature in cool and hot box more uniform, temperature fluctuation reduces, and prolongs
Long cooling piece service life；The rotating speed of the fan of cool and hot box is controlled according to temperature T1 simultaneously, effectively reduces fan energy consumption, simultaneously
The noise of cool and hot box is reduced, the detection of the rotating speed of electric current and fan to cooling piece can preferentially judge that the failure of cool and hot box is
Caused by cooling piece failure or fan failure, be easy to the maintenance of cool and hot box；Semiconductor cooling provided by the invention is proved according to experiment
Energy consumption can be reduced by more than 10% by the refrigeration control method of hot tank, and when long-time is without using cool and hot box, energy consumption reduces more
Substantially；The internal temperature of cool and hot box is more uniform, and the floating of the internal temperature of cool and hot box can control less than ± 1 DEG C, averagely make an uproar
Sound can reduce 3dB.
The technical principle of the embodiment of the present invention is described above in association with specific embodiment, these descriptions are intended merely to explain this
The principle of inventive embodiments, and the limitation to protection domain of the embodiment of the present invention can not be construed in any way, this area
Technical staff would not require any inventive effort the other embodiments that can associate the embodiment of the present invention, these sides
Formula is fallen within the protection domain of the embodiment of the present invention.
Claims (8)
- A kind of 1. refrigeration control method of semiconductor cooling-heating box, it is characterised in that including：Obtain the temperature T1 inside cool and hot box；If it is determined that the temperature T1 is more than preset high-temperature temperature, the supply voltage for controlling the cooling piece of the cool and hot box is total head；If it is determined that the temperature T1 is in preset cooling scope, the supply voltage for controlling the cooling piece is the first low pressure；If it is determined that the temperature T1 is in preset heat-preserving range, the supply voltage for controlling the cooling piece is the second low pressure；After the supply voltage for controlling the cooling piece is the second low pressure, in addition to：It is determined that control the supply voltage of the cooling piece to be more than or equal to the preset low-voltage temperature-keeping time for the duration of the second low pressure, The supply voltage for controlling the cooling piece is the 3rd low pressure；Determine that the supply voltage of the cooling piece is more than or equal to preset stopping cooling time for the duration of the 3rd low pressure, close The power supply of the cooling piece；Wherein, total head>First low pressure>Second low pressure, the second low pressure>3rd low pressure.
- 2. refrigeration control method according to claim 1, it is characterised in that it is described obtain cool and hot box inside temperature T1 it Afterwards, in addition to：If it is determined that the temperature T1 is less than or equal to preset low temperature temperature, the supply voltage for controlling the cooling piece is the 3rd low pressure；Determine that the supply voltage of the cooling piece is more than or equal to preset stopping cooling time for the duration of the 3rd low pressure, close The power supply of the cooling piece；Wherein, the second low pressure>3rd low pressure.
- 3. refrigeration control method according to claim 2, it is characterised in that：It is described if it is determined that the temperature T1 be more than preset high-temperature temperature after, in addition to：Control turning for the fan of the cool and hot box Speed is preset high rotating speed；It is described if it is determined that the temperature T1 be in it is preset cooling scope after, in addition to：Control turning for the fan of the cool and hot box Speed is the preset slow-speed of revolution；It is described if it is determined that the temperature T1 is in after preset heat-preserving range, in addition to：Control turning for the fan of the cool and hot box Speed is the preset slow-speed of revolution；It is described if it is determined that the temperature T1 be less than or equal to preset low temperature temperature after, in addition to：Control the fan of the cool and hot box It is stopped.
- 4. refrigeration control method according to claim 3, it is characterised in that also include：The electric current of the cooling piece is periodically obtained, determines that number of the electric current not in the range of preset running current surpasses Predetermined times threshold value is crossed, sends cooling piece fault-signal；The rotating speed of the fan is periodically obtained, determines that the rotating speed is less than preset minimum speed, sends fan failure signal；Preset high-temperature temperature=Ts+0.5 DEG C of the cool and hot box design temperature；It is described it is preset cooling scope be：(Ts-0.5 DEG C, Ts+0.5 DEG C]；The preset heat-preserving range is：(Ts-1 DEG C, Ts-0.5 DEG C]；Preset low temperature temperature=Ts-1 DEG C of the cool and hot box design temperature；The preset running current scope is：(2.5A, 6.5A).
- A kind of 5. refrigeration control method of semiconductor cooling-heating box, it is characterised in that including：Confirmation cool and hot box is normal-power；Perform claim requires the refrigeration control method described in 1 to 4 any one；Confirmation cool and hot box is low-power mode；Obtain the temperature T2 inside cool and hot box；Set low in advance if it is determined that the temperature T2 is more than Warm threshold value, the supply voltage for controlling the cooling piece are the second low pressure；If it is determined that the temperature T2 is less than or equal to preset low temperature threshold Value, the supply voltage for controlling the cooling piece is the 3rd low pressure；Wherein, the second low pressure>3rd low pressure.
- 6. refrigeration control method according to claim 5, it is characterised in that it is described confirmation cool and hot box be low-power mode it Before, in addition to：Confirmation is not detected by the enabling signal of the cool and hot box in preset time span；After temperature T2 inside the acquisition cool and hot box, in addition to：If it is determined that the temperature T2 is more than or equal to prepattern switching temperature, then cool and hot box is converted to normally by low-power mode Power consumption mode.
- A kind of 7. refrigeration control system of semiconductor cooling-heating box, it is characterised in that including：First temperature acquisition module, total head drop Warm module, low pressure cooling module, the first low-voltage temperature-keeping module, insulation timing module, the second low-voltage temperature-keeping module, cooling piece shut-off The high rotational speed control module of module, fan, fan slow-speed of revolution control module, fan stopping modular, cooling piece fault detection module and Fan failure detection module；First temperature acquisition module：For obtaining the temperature T1 inside cool and hot box；The total head cooling module：For if it is determined that the temperature T1 is more than preset high-temperature temperature, controlling the system of the cool and hot box The supply voltage of cold is total head；The low pressure cooling module：For if it is determined that the temperature T1 is in preset cooling scope, controlling the confession of the cooling piece Piezoelectric voltage is the first low pressure；The first low-voltage temperature-keeping module：For if it is determined that the temperature T1 is in preset heat-preserving range, controlling the cooling piece Supply voltage be the second low pressure；The insulation timing module：For determining to control the supply voltage of the cooling piece to be more than for the duration of the second low pressure Equal to the preset low-voltage temperature-keeping time, the supply voltage for controlling the cooling piece is the 3rd low pressure；The second low-voltage temperature-keeping module：For if it is determined that the temperature T1 is less than or equal to preset low temperature temperature, controlling the system The supply voltage of cold is the 3rd low pressure；The cooling piece turns off module：For determining that the supply voltage of the cooling piece is more than etc. for the duration of the 3rd low pressure In preset stopping cooling time, the power supply of the cooling piece is closed；The high rotational speed control module of fan：The rotating speed of fan for controlling the cool and hot box is preset high rotating speed；The fan slow-speed of revolution control module：The rotating speed of fan for controlling the cool and hot box is the preset slow-speed of revolution；The fan stopping modular：For controlling the fan of the cool and hot box to be stopped；The cooling piece fault detection module：For periodically obtaining the electric current of the cooling piece, determine the electric current not pre- Put the number in the range of running current and exceed predetermined times threshold value, send cooling piece fault-signal；The fan failure detection module：For periodically obtaining the rotating speed of the fan, determine the rotating speed be less than it is preset most The slow-speed of revolution, send fan failure signal.
- A kind of 8. refrigeration control system of semiconductor cooling-heating box, it is characterised in that including：Normal-power confirms module, the One temperature acquisition module, total head cooling module, low pressure cooling module, the first low-voltage temperature-keeping module, low-power mode confirm module, Second temperature acquisition module, the second low-voltage temperature-keeping module, the 3rd low-voltage temperature-keeping module and mode switch module；The normal-power confirms module：For confirming that cool and hot box is normal-power；First temperature acquisition module：For obtaining the temperature T1 inside cool and hot box；The total head cooling module：For if it is determined that the temperature T1 is more than preset high-temperature temperature, controlling the system of the cool and hot box The supply voltage of cold is total head；The low pressure cooling module：For if it is determined that the temperature T1 is in preset cooling scope, controlling the confession of the cooling piece Piezoelectric voltage is the first low pressure；The first low-voltage temperature-keeping module：For if it is determined that the temperature T1 is in preset heat-preserving range, controlling the cooling piece Supply voltage be the second low pressure；The low-power mode confirms module：For confirming that cool and hot box is low-power mode；The second temperature acquisition module：For obtaining the temperature T2 inside cool and hot box；The second low-voltage temperature-keeping module：For if it is determined that the temperature T2 is more than preset low temperature threshold value, controlling the cooling piece Supply voltage be the second low pressure；The 3rd low-voltage temperature-keeping module：For if it is determined that the temperature T2 is less than or equal to preset low temperature threshold value, controlling the system The supply voltage of cold is the 3rd low pressure；Shown mode switch module：For if it is determined that the temperature T2 is more than or equal to prepattern switching temperature, then by cool and hot box Normal-power is converted to by low-power mode.
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| CN110798325A (en) * | 2019-10-21 | 2020-02-14 | 普联技术有限公司 | Power supply circuit capable of automatically adjusting power supply voltage |
| CN111174515A (en) * | 2020-01-16 | 2020-05-19 | 天津商业大学 | Intelligent control system for refrigeration house according to temperature fluctuation |
| CN114111196A (en) * | 2020-08-28 | 2022-03-01 | 青岛海尔特种电冰柜有限公司 | Control method of refrigeration appliance and refrigeration appliance |
| CN114325281A (en) * | 2020-09-29 | 2022-04-12 | 深圳市帝迈生物技术有限公司 | Fault detection method and device based on refrigerating sheet and computer readable storage medium |
| CN115435546A (en) * | 2022-10-10 | 2022-12-06 | 长虹美菱股份有限公司 | Temperature control method of semiconductor refrigerator |
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Address after: No. 18, Jinhu Road, Sanzao Town, Jinwan District, Zhuhai City, Guangdong Province 519041 Patentee after: Domec (Zhuhai) Technology Co.,Ltd. Address before: No. 18, Jinhu Road, Sanzao Town, Jinwan District, Zhuhai City, Guangdong Province 519040 Patentee before: Mobicool Electronic (Zhuhai) Co.,Ltd. |