CN108241388A - Temprature control method, system and device - Google Patents
Temprature control method, system and device Download PDFInfo
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- CN108241388A CN108241388A CN201810105563.5A CN201810105563A CN108241388A CN 108241388 A CN108241388 A CN 108241388A CN 201810105563 A CN201810105563 A CN 201810105563A CN 108241388 A CN108241388 A CN 108241388A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
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Abstract
The present invention relates to a kind of temprature control method, system and devices.The method includes the steps：Acquire the Current Temperatures t of controlled device；The difference DELTA t between the Current Temperatures t and target temperature Tt is asked for, judges whether the absolute value of Δ t is more than threshold value, if it is, heated or freezed with the first power, until | Δ t | less than or equal to threshold value；If it is not, then it is heated or is freezed with the second power, until the Current Temperatures of controlled device are stopped after meeting or exceeding target temperature.The present invention is only heated or is freezed during dynamic balance temperature is maintained, and then stops heating or refrigeration, i.e., temperature control equipment, which has work and do not work, during this two states rather than is continued in running order, therefore can effectively reduce power consumption.
Description
Technical field
The present invention relates to technical field of temperature control, more particularly to a kind of temperature controlling party that can be applied to optical module
Method, system and device.
Background technology
Optical module is a kind of electrooptical device, and optical module needs to reach at work certain temperature requirement, therefore needs
Optical module is controlled into trip temperature.Current method is reached during temperature driving unit is ceaselessly heated or freezed
To target temperature, and dynamic balance is kept under the cycle of lasting heating and refrigeration, the control of temperature is realized with this.Due to
Be ceaselessly heat and freeze, therefore such control mode there are energy consumption it is big the defects of.
Invention content
It is an object of the invention to improve the big deficiency of energy consumption in the presence of the prior art, a kind of temperature controlling party is provided
Method, to reduce energy consumption.
First technical problem that the present invention solves is how to reduce the energy consumption in temperature control, for this purpose, the present invention is implemented
Example provides following technical scheme：
A kind of temprature control method applied to optical module, includes the following steps：
Acquire the Current Temperatures t of controlled device；
Ask for the difference DELTA t between the Current Temperatures t and target temperature Tt, Δ t=Tt-t；
Judge | Δ t | whether more than threshold value, if it is, heated or freezed with the first power, until | Δ t |
Less than or equal to threshold value；If it is not, then it is heated or is freezed with the second power, until the Current Temperatures of controlled device reach
Or more than being stopped after target temperature, | Δ t | it is the absolute value of Δ t.
In the above-mentioned methods, when the absolute value of Δ t be more than threshold value, i.e., with the temperature difference of target temperature it is larger when, temperature
Control device is continuously heated or is freezed, so that the Current Temperatures of controlled device can reach target temperature as soon as possible
Degree.When Δ t absolute value be less than threshold value, i.e., with the temperature difference of target temperature it is smaller when, be now in dynamic balance temperature rank
Section, temperature control equipment heating or refrigeration after (meeting or exceeding target temperature), are stopped for a period of time, by empty with room temperature
The mode of gas heat exchange maintains dynamic balance temperature, i.e., in the dynamic balance temperature stage, temperature control equipment work one section when
Between alternate cycles rather than be constantly in working condition between a period of time that is stopped, therefore, can effectively reduce energy
Consumption can theoretically reduce by 50% power consumption in the dynamic balance temperature stage, save the energy.
The invention solves second technical problem be how more quickly to reach target temperature, for this purpose, of the invention
Embodiment provides following technical scheme：
First power is more than second power.I other words when the temperature difference is larger, temperature control equipment is with high-power
(such as maximum temperature control driving power) mode works, to shorten the time for reaching target temperature, in the smaller dynamic equilibrium of the temperature difference
Stage is worked with low power mode, to maintain dynamic balance temperature, is on the one hand conducive to ensure temperature controlled precision, another
Aspect can also reduce energy consumption.
On the other hand, the embodiment of the present invention additionally provides a kind of temperature control system, applied to optical module, including：Temperature
Collecting unit, for acquiring the Current Temperatures t of controlled device；Temperature analysis unit, for asking for the Current Temperatures t and target
Difference DELTA t between temperature Tt, Δ t=Tt-t；Temperature control unit, for judging | Δ t | whether more than threshold value, if
It is then to be heated or freezed with the first power, until | Δ t | less than or equal to threshold value；If it is not, then with the second power into
Row heating or refrigeration, until the Current Temperatures of controlled device are stopped after meeting or exceeding target temperature, | Δ t | for Δ t's
Absolute value.
In another aspect, the embodiment of the present invention additionally provides a kind of temperature control equipment, including refrigeration part and heating element,
The device is arranged to the method for the embodiment of the present invention and performs operation.
Compared with prior art, the method for the invention, apparatus and system are maintaining dynamic balance temperature stage, temperature
Control device is in work or off position, and work also only heat or refrigeration in one mode, temperature control equipment
It is not continuous work, nor the alternate cycles between heating mode and refrigeration mode, so as to achieve the purpose that save power consumption.
About 50% power consumption can be theoretically saved compared with traditional algorithm during dynamic stability is maintained.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the flow chart of temprature control method provided in an embodiment of the present invention.
Fig. 2 is that conventional method is to reach the working curve schematic diagram of target upper temperatures.
Fig. 3 is that method shown in Fig. 1 is to reach the working curve schematic diagram of target upper temperatures.
Fig. 4 is the unit block diagram of temperature control system provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be configured to arrange and design with a variety of different herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Go out all other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Referring to Fig. 1, temprature control method described in the present embodiment, includes the following steps：
S101 acquires the Current Temperatures t of controlled device；
S102 asks for the difference DELTA t between the Current Temperatures t and target temperature Tt, Δ t=Tt-t；
S103 judges | Δ t | whether (i.e. the absolute value of Δ t) is more than threshold value, if it is, S104 is entered step,
If it is not, then enter step S105.
S104 is heated or is freezed with the first power, until | Δ t | less than or equal to threshold value, return to step S101.
S105 is heated or is freezed with the second power, until the Current Temperatures of controlled device meet or exceed target temperature
It is stopped after degree, i.e., when the Current Temperatures of controlled device meet or exceed target temperature, stops heating or refrigeration, and stop
Work, is then back to step S101.
In above-mentioned steps S104-S105, if the Current Temperatures of controlled device are less than target temperature, added
Heat if the Current Temperatures of controlled device are higher than target temperature, is freezed.That is, above-mentioned steps S104-S105 distinguishes
Specifically：
S104, as Δ t>When 0, heated with the first power, until | Δ t | less than or equal to threshold value；As Δ t<0
When, freezed with the first power, until | Δ t | less than or equal to threshold value.
S105, as Δ t>It when 0, is heated with the second power, and mesh is met or exceeded in the Current Temperatures of controlled device
Stop heating when marking temperature and be stopped；As Δ t<When 0, freezed with the second power, and in the current temperature of controlled device
Stop refrigeration when degree meets or exceeds target temperature and be stopped.I other words in the dynamic balance temperature stage, as Δ t>When 0,
The working condition of temperature control equipment alternate cycles between " heating " and " not working "；As Δ t<When 0, temperature control equipment
Working condition alternate cycles between " refrigeration " and " not working ".
It is more than to refer to herein it should be noted that if using target temperature as origin, the current temperature of controlled device before temperature control
The Current Temperatures of controlled device are located at the both sides of target temperature respectively after degree and temperature control.For example, target temperature is 70 DEG C, if controlled
The Current Temperatures of object are higher than 70 DEG C, then to be more than target temperature；In another example target temperature is -10 DEG C, if controlled device is worked as
Less than -10 DEG C of preceding temperature (being, for example, -11 DEG C), then to be more than target temperature.
Referring to Fig. 3, it is only illustrated so that the Current Temperatures of controlled device are less than target temperature as an example.It is assuming that controlled
Object Current Temperatures are 20 DEG C, and target temperature is 70 DEG C, and threshold value is 3 DEG C.T=70 DEG C -20 DEG C=50 DEG C of Δ, more than thresholding
3 DEG C of threshold value, therefore heated with the first power, when being heated to 67 DEG C, | Δ t | less than or equal to 3 DEG C, therefore it is switched to second
Power is heated.Due to temperature overshot phenomenon existing during electrically adjusting, the temperature of controlled device can be higher than 70 DEG C, because
This will pass through alternate cycles between cooling and heating, to maintain the dynamic equilibrium of temperature.After stopping heating, based on heat exchange original
Reason, the heat of controlled device can be dispersed into air, therefore the temperature of controlled device can be gradually lowered to 70 DEG C from higher than 70 DEG C,
Be gradually lowered to again less than 70 DEG C, after and there is temperature gap Δ t, be less than or equal to 3 DEG C of models of threshold value in temperature gap Δ t
In enclosing, temperature control equipment is begun to warm up again, to improve the temperature of controlled device, for example, starting when temperature is reduced to 67 DEG C
It is heated with the second power, the temperature of controlled device starts to gradually rise, and stops heating after reaching 70 DEG C, since temperature overshot shows
As temperature is more than 70 degrees Celsius.I other words in the dynamic balance temperature stage, temperature control equipment can be with " not working ", " heating "
The mode of alternate cycles works, and controlled device temperature rise during heating, the Wen Duxiajiang of controlled device, is realized with this when not working
Controlled device dynamic balance temperature.As shown in figure 3, in the dynamic balance temperature stage, since temperature control equipment can have more than one
Half time is idle, therefore compared to conventional method, can save about 50% energy consumption.
As shown in Fig. 2, in traditional temprature control method, after being heated to 70 DEG C, due to being deposited during electrically adjusting
Temperature overshot phenomenon, the temperature of controlled device can be higher than 70 DEG C, and temperature driving unit is then reduced in a manner of refrigeration at this time
The temperature of controlled device promotes the temperature of controlled device after temperature is reduced to certain value and in a manner of heating, i other words,
Dynamic balance temperature stage, temperature driving unit maintain dynamic balance temperature in a manner of the alternate cycles that heat, freeze, and temperature is driven
Moving cell is constantly in working condition, thus energy consumption is very high.Compared to conventional temperature control method, the present embodiment the method can
It is energy saving to greatly reduce energy consumption.In addition, conventional method cools down in a manner of freezing, temperature fall time can be shortened,
But in the dynamic balance temperature stage, based on temperature overshot phenomenon, it is tight to easily lead to temperature overshot for cooling within a very short time
Weight especially in the case where temperature driving unit is always maintained at same power work, is unfavorable for temperature and accurately controls, change speech very much
It, temprature control method of the present invention can also inhibit temperature overshot phenomenon, improve temperature control precision.
It should be noted that above-mentioned threshold value can require to be configured according to temperature control precision, such as precision will
Ask high, then what threshold value was set can be relatively small, and for example, 1 DEG C, required precision is relatively low, then can set relatively
It is larger, such as 5 DEG C, user can flexibly be set according to required precision.
In addition, in the present embodiment, if | Δ t | it heats or freezes with the first power if more than threshold value, otherwise with the
Two power heat or refrigeration；In fact, if | Δ t | heat or freeze with the first power if more than or equal to threshold value, otherwise with
Second power heats or refrigeration, is substantially identical scheme.
In above-mentioned temperature control equipment, including heating element and refrigeration part, heating element is arranged to such as lower section
Formula works：As Δ t>When 0, if Δ t is more than threshold value, heated with the first power, until | Δ t | less than or equal to thresholding
Threshold value；Otherwise it is heated with the second power, and stops adding when the Current Temperatures of controlled device meet or exceed target temperature
Heat and be stopped.Refrigeration part is then arranged to work as follows：As Δ t<When 0, if | Δ t | more than thresholding threshold
Value, then freezed with the first power, until | Δ t | less than or equal to threshold value；Otherwise freezed with the second power, and
Stop refrigeration when the Current Temperatures of controlled device meet or exceed target temperature and be stopped.
As the embodiment advanced optimized, in the above method of the present invention, the first power is more than the second power, most
The first stage heats the temperature that can quickly improve controlled device, in the dynamic balance temperature stage, with small-power in a manner of high-power
Mode works, and can improve temperature control precision.
Referring to Fig. 4, a kind of temperature control system correspondingly, in the present embodiment is additionally provided, including temperature acquisition list
Member, temperature analysis unit and temperature control unit.Specifically,
Temperature collecting cell is used to acquire the Current Temperatures t of controlled device.
Temperature analysis unit is used to ask for the difference DELTA t between the Current Temperatures t and target temperature Tt.
Temperature control unit is used for basis | Δ t | it is worth into trip temperature and controls.Specifically, as Δ t>When 0, if Δ t is more than door
Threshold value is limited, then is heated with the first power, until | Δ t | less than or equal to threshold value；Otherwise it is heated with the second power,
And stop heating when the Current Temperatures of controlled device meet or exceed target temperature and be stopped.As Δ t<When 0, if | Δ t
| more than threshold value, then freezed with the first power, until | Δ t | less than or equal to threshold value；Otherwise with the second power into
Row refrigeration, and stop refrigeration when the Current Temperatures of controlled device meet or exceed target temperature and be stopped.
It should be noted that method, apparatus described in the present embodiment or system, not only can be adapted for the temperature of optical module
Control, i.e. controlled device are optical module, and theoretically, can equally be well applied to other needs to carry out temperature controlled equipment or module.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.
Claims (9)
1. a kind of temprature control method, applied to optical module, which is characterized in that include the following steps：
Acquire the Current Temperatures t of controlled device；
Ask for the difference DELTA t between the Current Temperatures t and target temperature Tt, Δ t=Tt-t；
Judge | Δ t | whether more than threshold value, if it is, heated or freezed with the first power, until | Δ t | it is less than
Equal to threshold value；If it is not, then it is heated or is freezed with the second power, until the Current Temperatures of controlled device reach or surpass
It is stopped after crossing target temperature, | Δ t | it is the absolute value of Δ t.
2. temprature control method according to claim 1, which is characterized in that as Δ t>When 0, if Δ t is more than threshold value,
Then heated with the first power, until | Δ t | less than or equal to threshold value；Otherwise it is heated with the second power, until quilt
The Current Temperatures of control object are stopped after meeting or exceeding target temperature.
3. temprature control method according to claim 1, which is characterized in that as Δ t<When 0, if | Δ t | more than thresholding threshold
Value, then freezed with the first power, until | Δ t | less than or equal to threshold value；Otherwise freezed with the second power, until
The Current Temperatures of controlled device are stopped after meeting or exceeding target temperature.
4. according to any temprature control methods of claim 1-3, which is characterized in that first power is more than described the
Two power.
5. a kind of temperature control system, applied to optical module, which is characterized in that including：
Temperature collecting cell, for acquiring the Current Temperatures t of controlled device；
Temperature analysis unit, for asking for the difference DELTA t between the Current Temperatures t and target temperature Tt, Δ t=Tt-t；
Temperature control unit, for judging | Δ t | whether more than threshold value, if it is, heated with the first power or
Refrigeration, until | Δ t | less than or equal to threshold value；If it is not, then it is heated or is freezed with the second power, until controlled device
Current Temperatures meet or exceed target temperature after be stopped, | Δ t | be Δ t absolute value.
6. temperature control system according to claim 1, which is characterized in that the temperature control unit is specifically used for, when
Δt>When 0, if Δ t is more than threshold value, heated with the first power, until | Δ t | less than or equal to threshold value；Otherwise
It is heated with the second power, until the Current Temperatures of controlled device are stopped after meeting or exceeding target temperature.
7. temperature control system according to claim 1, which is characterized in that the temperature control unit is specifically used for, when
Δt<When 0, if | Δ t | more than threshold value, freezed with the first power, until | Δ t | less than or equal to threshold value；It is no
Then freezed with the second power, until the Current Temperatures of controlled device are stopped after meeting or exceeding target temperature.
8. according to any temperature control systems of claim 5-7, which is characterized in that first power is more than described the
Two power.
9. a kind of temperature control equipment, which is characterized in that including refrigeration part and heating element, the heating element is arranged to
Operation is performed according to 2 or 4 the method for claim, the refrigeration part is arranged to 3 or 4 the method for claim
Perform operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810105563.5A CN108241388A (en) | 2018-02-02 | 2018-02-02 | Temprature control method, system and device |
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| CN201810105563.5A CN108241388A (en) | 2018-02-02 | 2018-02-02 | Temprature control method, system and device |
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| CN201810105563.5A Pending CN108241388A (en) | 2018-02-02 | 2018-02-02 | Temprature control method, system and device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109221083A (en) * | 2018-09-14 | 2019-01-18 | 上海理工大学 | A kind of cooling system automatically controlling rate of temperature fall |
| CN109300250A (en) * | 2018-08-14 | 2019-02-01 | 四川虹美智能科技有限公司 | A kind of fast food self-carry cabinet, food storage system and method |
| CN109990518A (en) * | 2019-03-20 | 2019-07-09 | 深圳市新威尔电子有限公司 | High-low temperature chamber control method of refrigeration |
| CN113485482A (en) * | 2021-07-20 | 2021-10-08 | 华帝股份有限公司 | Self-adaptive temperature control method of cooking equipment |
| CN113587279A (en) * | 2021-06-18 | 2021-11-02 | 青岛海特生物医疗有限公司 | Device capable of keeping constant state and control method thereof |
| CN114115387A (en) * | 2021-11-24 | 2022-03-01 | 湖南开启时代生物科技有限责任公司 | Constant temperature control method for portable medical heat-preservation transfer box |
| CN114489187A (en) * | 2021-12-30 | 2022-05-13 | 中航华东光电有限公司 | Temperature control method and system for rapid temperature change test box |
| CN115145330A (en) * | 2022-07-14 | 2022-10-04 | 浙江联鑫板材科技有限公司 | Zinc pot temperature control method and temperature control equipment thereof |
| CN115499056A (en) * | 2022-09-13 | 2022-12-20 | 索尔思光电（成都）有限公司 | Method for improving sampling precision of multichannel ROSA receiving optical power |
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| CN115499056A (en) * | 2022-09-13 | 2022-12-20 | 索尔思光电（成都）有限公司 | Method for improving sampling precision of multichannel ROSA receiving optical power |
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Application publication date: 20180703 |