CN109782821A - Temperature control electronic equipment and heating temperature adjusting method and device - Google Patents
Temperature control electronic equipment and heating temperature adjusting method and device Download PDFInfo
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- CN109782821A CN109782821A CN201910122871.3A CN201910122871A CN109782821A CN 109782821 A CN109782821 A CN 109782821A CN 201910122871 A CN201910122871 A CN 201910122871A CN 109782821 A CN109782821 A CN 109782821A
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Abstract
The present invention provides a kind of temperature control electronic equipment and heating temperature adjusting methods and device, are related to Oil Temperature Controlling Technigue field.The heating temperature adjusting method generates the duty ratio of the control signal for adjusting temperature by the difference according to presetting pid algorithm model, current heating temperature and the presetting safe temperature upper limit；Then the control signal of the duty ratio is exported to drive module, to control the current heating temperature of the drive module driving electric heating module not higher than the presetting safe temperature upper limit, so as to avoid temperature control electronic equipment when heated caused by security risk and energy waste, and improve temperature adjusting precision.
Description
Technical field
The present invention relates to Oil Temperature Controlling Technigue fields, in particular to a kind of temperature control electronic equipment and heating temperature tune
Save method and apparatus.
Background technique
When being in electric heating state, the heating module of temperature control electronic equipment is powered always shape current temperature control electronic equipment
State, so that such heating method is easy to cause heating temperature in thermal energy release thermal energy is converted electrical energy into constantly to heat
Degree is more than the load rated safety heating temperature of temperature control electronic equipment, so that there are some potential safety problemss, while cause it is unnecessary
Energy dissipation.
Summary of the invention
Problems solved by the invention be how to avoid temperature control electronic equipment when heated caused by security risk and energy wave
The problem of taking.
To solve the above problems, the present invention provides a kind of temperature control electronic equipment and heating temperature adjusting method and device.
In a first aspect, the embodiment of the invention provides a kind of heating temperature adjusting method, the heating temperature adjusting method
Include:
Obtain the current heating temperature of electric heating module；
Calculate the difference of the current heating temperature Yu the presetting safe temperature upper limit；
Difference according to presetting pid algorithm model, current heating temperature and the presetting safe temperature upper limit, which generates, to be used
In the duty ratio for the control signal for adjusting temperature；
The control signal of the duty ratio is exported to drive module, to control the drive module driving electric heating module
Current heating temperature is not higher than the presetting safe temperature upper limit.
The heating temperature adjusting method passes through according to presetting pid algorithm model, current heating temperature and presetting peace
The difference of the total temperature upper limit generates the duty ratio of the control signal for adjusting temperature；Then the control letter of the duty ratio is exported
Number to drive module, to control the current heating temperature of the drive module driving electric heating module not higher than described presetting
The safe temperature upper limit, so as to avoid temperature control electronic equipment when heated caused by security risk and energy waste, and mention
The precision that high temperature is adjusted.
Further, described according to presetting pid algorithm model, current heating temperature and the presetting safe temperature upper limit
Difference the step of generating the duty ratio of control signal for adjusting temperature include:
According to formula U (K)=Up(k)+Ui(k)+Ud(k) duty ratio of the control signal for adjusting temperature is generated,
In, Up(k)=P*e (k)；Ui(k)=I*e (k)+Ui(k-1)；Ud(k)=D* (1-a) * e (k)+a*e (k-1), U (K) be for
Adjust the duty ratio of the control signal of temperature, UpFor the first duty ratio component, UiFor the second duty ratio component, UdFor third duty
Than component, P is that presetting ratio controls gain, and e (k) is the difference of current heating temperature and the presetting safe temperature upper limit
Value, I are presetting integral coefficient, and D is preset differential coefficient, and k is to adjust number, a presetting weight coefficient, and a
Value interval is (0,1).
Further, described according to presetting pid algorithm model, current heating temperature and the presetting safe temperature upper limit
Difference generate the control signal for adjusting temperature duty ratio execution condition are as follows: current heating temperature and presetting peace
The difference of the total temperature upper limit is respectively smaller than presetting threshold value, presetting ratio control gain.
Presetting threshold value, presetting is respectively smaller than in the difference of current heating temperature and the presetting safe temperature upper limit
Ratio control gain when, current heating temperature just has more than the risk of the presetting safe temperature upper limit, is just added at this time
Hot temperature is adjusted, to save the occupancy resource of control module.
Further, the step of current heating temperature for obtaining electric heating module includes:
Reception is set to the current heating temperature that the temperature sensor of the electric heating module side is acquired and sent.
Second aspect, the embodiment of the invention also provides a kind of heating temperature regulating device, the heating temperature adjusts dress
It sets and includes:
Information obtainment unit, for obtaining the current heating temperature of electric heating module；
Computing unit, for calculating the difference of the current heating temperature Yu the presetting safe temperature upper limit；
Duty ratio generation unit, for according to presetting pid algorithm model, current heating temperature and presetting safety temperature
The difference of the degree upper limit generates the duty ratio of the control signal for adjusting temperature；
Signal output unit, for exporting the control signal of the duty ratio to drive module, to control the driving mould
Block drives the current heating temperature of the electric heating module not higher than the presetting safe temperature upper limit.
The heating temperature regulating device passes through according to presetting pid algorithm model, current heating temperature and presetting peace
The difference of the total temperature upper limit generates the duty ratio of the control signal for adjusting temperature；Then the control letter of the duty ratio is exported
Number to drive module, to control the current heating temperature of the drive module driving electric heating module not higher than described presetting
The safe temperature upper limit, so as to avoid temperature control electronic equipment when heated caused by security risk and energy waste, and mention
The precision that high temperature is adjusted.
Further, duty ratio generation unit is specifically used for according to formula U (K)=Up(k)+Ui(k)+Ud(k) it generates and is used for
Adjust the duty ratio of the control signal of temperature, wherein Up(k)=P*e (k)；Ui(k)=I*e (k)+Ui(k-1)；Ud(k)=D*
(1-a) * e (k)+a*e (k-1), U (K) are the duty ratio for adjusting the control signal of temperature, UpFor the first duty ratio component, Ui
For the second duty ratio component, UdFor third duty ratio component, P is that presetting ratio controls gain, and e (k) is current heating temperature
The difference of degree and the presetting safe temperature upper limit, I are presetting integral coefficient, and D is preset differential coefficient, and k is to adjust
Number, a presetting weight coefficient, and the value interval of a are (0,1).
Further, described according to presetting pid algorithm model, current heating temperature and the presetting safe temperature upper limit
Difference generate the control signal for adjusting temperature duty ratio execution condition are as follows: current heating temperature and presetting peace
The difference of the total temperature upper limit is respectively smaller than presetting threshold value, presetting ratio control gain.
Further, the information obtainment unit is specifically used for receiving the temperature biography for being set to the electric heating module side
The current heating temperature that sensor is acquired and sent.
The third aspect, the embodiment of the invention also provides a kind of temperature control electronic equipment, including control module, drive module,
Electric heating module, memory and heating temperature regulating device, the control module are electrically connected with the memory, the control
Module, the drive module and the electric heating module are sequentially connected electrically, and described device is installed in the memory and wraps
One or more software function modules executed by the control module are included, the heating temperature regulating device includes:
Information obtainment unit, for obtaining the current heating temperature of electric heating module；
Computing unit, for calculating the difference of the current heating temperature Yu the presetting safe temperature upper limit；
Duty ratio generation unit, for according to presetting pid algorithm model, current heating temperature and presetting safety temperature
The difference of the degree upper limit generates the duty ratio of the control signal for adjusting temperature；
Signal output unit, for exporting the control signal of the duty ratio to drive module, to control the driving mould
Block drives the current heating temperature of the electric heating module not higher than the presetting safe temperature upper limit.
The temperature control electronic equipment can be by according to presetting pid algorithm model, current heating temperature and presetting peace
The difference of the total temperature upper limit generates the duty ratio of the control signal for adjusting temperature；Then the control letter of the duty ratio is exported
Number to drive module, to control the current heating temperature of the drive module driving electric heating module not higher than described presetting
The safe temperature upper limit, so as to avoid temperature control electronic equipment when heated caused by security risk and energy waste, and mention
The precision that high temperature is adjusted.
Further, the temperature control electronic equipment is air-conditioning.
Detailed description of the invention
Fig. 1 is the flow chart of heating temperature adjusting method provided in an embodiment of the present invention；
Fig. 2 is the circuit connection block diagram of temperature control electronic equipment provided in an embodiment of the present invention；
Fig. 3 is the functional block diagram of heating temperature regulating device provided in an embodiment of the present invention.
Description of symbols: 201- temperature sensor；202-A/D conversion module；203- control module；204- drives mould
Block；205- electric heating module；206- memory；301- information obtainment unit；302- computing unit；303- duty ratio generates single
Member；304- signal output unit.
Specific embodiment
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
Referring to Fig. 1, it is applied to control module 203 the embodiment of the invention provides a kind of heating temperature adjusting method, it should
Control module 203 is installed on temperature control electronic equipment.As shown in Fig. 2, the temperature control electronic equipment further includes drive module 204 and electricity
Heating module 205, control module 203, drive module 204 and electric heating module 205 are sequentially connected electrically.The heating temperature is adjusted
Method includes:
Step S101: the current heating temperature of electric heating module is obtained.
In the present embodiment, temperature control electronic equipment can also include temperature sensor 201 and A/D conversion module 202, control mould
Block 203, A/D conversion module 202 and temperature sensor 201 are sequentially connected electrically.Wherein it is possible to be set to electric heating by receiving
The current heating temperature that the temperature sensor 201 of 205 side of module is acquired and sent, and will be current by A/D conversion module 202
The analog signal of heating temperature is converted to digital signal, to obtain electric heating module 205 (for example, can be electric heating tube)
Current heating temperature, to for further processing.
Step S102: the difference of current heating temperature Yu the presetting safe temperature upper limit is calculated.
Wherein, when current heating temperature is no more than the presetting safe temperature upper limit, temperature control electronic equipment can be made
It operates normally, when current heating temperature is more than the presetting safe temperature upper limit, there may be safety winds for temperature control electronic equipment
Danger.
Step S103: according to presetting pid algorithm model, the difference of current heating temperature and the presetting safe temperature upper limit
Value generates the duty ratio of the control signal for adjusting temperature.
PID (closed-loop control system) algorithm model passes through ratio control, integration control and differential
Control generates the duty ratio of the control signal for adjusting temperature.Wherein, ratio control is a kind of simplest control mode, defeated
Relationship proportional to input error signal out；In integration control, export proportional with the integral of input error signal；?
In differential control, output is proportional with the differential (i.e. the change rate of error) of input error signal, passes through ratio control, product
The duty ratio of sub-control system and the control signal for adjusting temperature of differential control triplicity output, it is more accurate.
Specifically, step S103 is according to formula U (K)=Up(k)+Ui(k)+Ud(k) control for adjusting temperature is generated to believe
Number duty ratio.Wherein, Up(k)=P*e (k)；Ui(k)=I*e (k)+Ui(k-1)；Ud(k)=D* (1-a) * e (k)+a*e (k-
1), U (K) is the duty ratio for adjusting the control signal of temperature, UpFor the first duty ratio component, UiFor the second duty ratio component,
UdFor third duty ratio component, P is that presetting ratio controls gain, and e (k) is current heating temperature and presetting safety temperature
The difference of the upper limit is spent, I is presetting integral coefficient, and D is preset differential coefficient, and k is to adjust number, a presetting weight
Coefficient, and the value interval of a is (0,1).The principle of above-mentioned formula is by incomplete derivative PID algorithm and integral separating PID
Algorithm combines, wherein incomplete derivative PID is used to improve dynamic characteristic, and integral separation is for eliminating through poor, raising precision.
Preferably, the execution condition of step S103 are as follows: the difference of current heating temperature and the presetting safe temperature upper limit
It is respectively smaller than presetting threshold value, presetting ratio control gain.In current heating temperature and presetting safe temperature
When the difference of limit is respectively smaller than presetting threshold value, presetting ratio controls gain, current heating temperature just has more than default
The risk of the fixed safe temperature upper limit just carries out heating temperature adjusting at this time, to save the occupancy money of control module 203
Source.
Step S104: the control signal of output duty cycle to drive module, so that drive module control electric heating module
Current heating temperature is not higher than the presetting safe temperature upper limit.
The heating temperature adjusting method passes through according to presetting pid algorithm model, current heating temperature and presetting peace
The difference of the total temperature upper limit generates the duty ratio of the control signal for adjusting temperature；Then the control signal of output duty cycle is extremely
Drive module 204, so that the current heating temperature that drive module 204 controls electric heating module 205 is not higher than presetting safety
Temperature upper limit, so as to avoid temperature control electronic equipment when heated caused by security risk and energy waste, and improve
The precision that temperature is adjusted.
Referring to Fig. 3, the embodiment of the invention also provides a kind of heating temperature regulating devices, it should be noted that this hair
The technical effect of heating temperature regulating device provided by bright embodiment, basic principle and generation is identical with above-described embodiment,
To briefly describe, the present embodiment part does not refer to place, can refer to corresponding contents in the above embodiments.The heating temperature is adjusted
Device includes information obtainment unit 301, computing unit 302, duty ratio generation unit 303 and signal output unit 304.
Information obtainment unit 301 is used to obtain the current heating temperature of electric heating module 205.
It is to be appreciated that information obtainment unit 301 can execute above-mentioned step S101.
Specifically, information obtainment unit is specifically used for receiving the temperature sensor 201 for being set to 205 side of electric heating module
The current heating temperature for acquiring and sending.
Computing unit 302 is used to calculate the difference of current heating temperature Yu the presetting safe temperature upper limit.
It is to be appreciated that computing unit 302 can execute above-mentioned step S102.
Duty ratio generation unit 303 is used for according to presetting pid algorithm model, current heating temperature and presetting safety
The difference of temperature upper limit generates the duty ratio of the control signal for adjusting temperature.
It is to be appreciated that duty ratio generation unit 303 can execute above-mentioned step S103.
Specifically, duty ratio generation unit 303 is specifically used for according to formula U (K)=Up(k)+Ui(k)+Ud(k) it generates and uses
In the duty ratio for the control signal for adjusting temperature, wherein Up(k)=P*e (k)；Ui(k)=I*e (k)+Ui(k-1)；Ud(k)=
D* (1-a) * e (k)+a*e (k-1), U (K) are the duty ratio for adjusting the control signal of temperature, UpFor the first duty score
Amount, UiFor the second duty ratio component, UdFor third duty ratio component, P is that presetting ratio controls gain, and e (k) is current adds
The difference of hot temperature and the presetting safe temperature upper limit, I are presetting integral coefficient, and D is preset differential coefficient, and k is
Adjusting number, a presetting weight coefficient, and the value interval of a is (0,1).
Preferably, duty ratio generation unit 303 is according to presetting pid algorithm model, current heating temperature and presetting
The difference of the safe temperature upper limit generates the execution condition of the duty ratio of the control signal for adjusting temperature are as follows: current heating temperature
Presetting threshold value is respectively smaller than with the difference of the presetting safe temperature upper limit, presetting ratio controls gain.
Signal output unit 304 is used for the control signal of output duty cycle to drive module 204, so that drive module 204
The current heating temperature for controlling electric heating module 205 is not higher than the presetting safe temperature upper limit.
It is to be appreciated that information output unit can execute above-mentioned step S104.
The heating temperature regulating device passes through according to presetting pid algorithm model, current heating temperature and presetting peace
The difference of the total temperature upper limit generates the duty ratio of the control signal for adjusting temperature；Then the control signal of output duty cycle is extremely
Drive module 204, so that the current heating temperature that drive module 204 controls electric heating module 205 is not higher than presetting safety
Temperature upper limit, so as to avoid temperature control electronic equipment when heated caused by security risk and energy waste, and improve
The precision that temperature is adjusted.
Referring to Fig. 2, the embodiment of the invention also provides a kind of temperature control electronic equipment, it should be noted that the present invention is real
Apply temperature control electronic equipment provided by example, the technical effect of basic principle and generation is identical with above-described embodiment, briefly to retouch
It states, the present embodiment part does not refer to place, can refer to corresponding contents in the above embodiments.The temperature control electronic equipment includes control
Module 203, drive module 204, electric heating module 205, memory 206 and heating temperature regulating device, control module 203 with
Memory 206 is electrically connected, and control module 203, drive module 204 and electric heating module 205 are sequentially connected electrically.Described device peace
Loaded in memory 206 and including the software function module that one or more is executed by control module 203, which is adjusted
Device includes:
Information obtainment unit 301, for obtaining the current heating temperature of electric heating module 205.
Computing unit 302, for calculating the difference of current heating temperature Yu the presetting safe temperature upper limit.
Duty ratio generation unit 303, for according to presetting pid algorithm model, current heating temperature and presetting peace
The difference of the total temperature upper limit generates the duty ratio of the control signal for adjusting temperature.
Signal output unit 304, the control signal for output duty cycle is to drive module 204, so that drive module 204
The current heating temperature for controlling electric heating module 205 is not higher than the presetting safe temperature upper limit.
The temperature control electronic equipment can be by according to presetting pid algorithm model, current heating temperature and presetting peace
The difference of the total temperature upper limit generates the duty ratio of the control signal for adjusting temperature；Then the control signal of output duty cycle is extremely
Drive module 204, so that the current heating temperature that drive module 204 controls electric heating module 205 is not higher than presetting safety
Temperature upper limit, so as to avoid temperature control electronic equipment when heated caused by security risk and energy waste, and improve
The precision that temperature is adjusted.
In the present embodiment, temperature control electronic equipment can use air-conditioning, of course, or the temperature control electronics such as heat electric fan
Equipment is merely illustrative herein.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (10)
1. a kind of heating temperature adjusting method, which is characterized in that the heating temperature adjusting method includes:
Obtain the current heating temperature of electric heating module；
Calculate the difference of the current heating temperature Yu the presetting safe temperature upper limit；
Difference according to presetting pid algorithm model, current heating temperature and the presetting safe temperature upper limit is generated for adjusting
Save the duty ratio of the control signal of temperature；
The control signal of the duty ratio is exported to drive module, drives the electric heating module to control the drive module
Current heating temperature is not higher than the presetting safe temperature upper limit.
2. heating temperature adjusting method according to claim 1, which is characterized in that described according to presetting pid algorithm mould
The difference of type, current heating temperature and the presetting safe temperature upper limit generates the duty ratio of the control signal for adjusting temperature
The step of include:
According to formula U (K)=Up(k)+Ui(k)+Ud(k) duty ratio of the control signal for adjusting temperature is generated, wherein Up
(k)=P*e (k)；Ui(k)=I*e (k)+Ui(k-1)；Ud(k)=D* (1-a) * e (k)+a*e (k-1), U (K) are for adjusting
The duty ratio of the control signal of temperature, UpFor the first duty ratio component, UiFor the second duty ratio component, UdFor third duty score
Amount, P are that presetting ratio controls gain, and e (k) is the difference of current heating temperature and the presetting safe temperature upper limit, and I is
Presetting integral coefficient, D are preset differential coefficient, and k is to adjust number, a presetting weight coefficient, and the value area of a
Between be (0,1).
3. heating temperature adjusting method according to claim 1, which is characterized in that described according to presetting pid algorithm mould
The difference of type, current heating temperature and the presetting safe temperature upper limit generates the duty ratio of the control signal for adjusting temperature
Execution condition are as follows: the difference of current heating temperature and the presetting safe temperature upper limit is respectively smaller than presetting threshold
Value, presetting ratio control gain.
4. heating temperature adjusting method according to claim 1, which is characterized in that described to obtain the current of electric heating module
The step of heating temperature includes:
Reception is set to the current heating temperature that the temperature sensor of the electric heating module side is acquired and sent.
5. a kind of heating temperature regulating device, which is characterized in that the heating temperature regulating device includes:
Information obtainment unit, for obtaining the current heating temperature of electric heating module；
Computing unit, for calculating the difference of the current heating temperature Yu the presetting safe temperature upper limit；
Duty ratio generation unit, for according to presetting pid algorithm model, current heating temperature and presetting safe temperature
The difference of limit generates the duty ratio of the control signal for adjusting temperature；
Signal output unit, the control signal for exporting the duty ratio are driven to drive module with controlling the drive module
The current heating temperature of the electric heating module is moved not higher than the presetting safe temperature upper limit.
6. heating temperature regulating device according to claim 5, which is characterized in that duty ratio generation unit be specifically used for according to
According to formula U (K)=Up(k)+Ui(k)+Ud(k) duty ratio of the control signal for adjusting temperature is generated, wherein Up(k)=P*
e(k)；Ui(k)=I*e (k)+Ui(k-1)；Ud(k)=D* (1-a) * e (k)+a*e (k-1), U (K) are the control for adjusting temperature
The duty ratio of signal processed, UpFor the first duty ratio component, UiFor the second duty ratio component, UdFor third duty ratio component, P is pre-
The ratio of setting controls gain, and e (k) is the difference of current heating temperature and the presetting safe temperature upper limit, and I is presetting
Integral coefficient, D be preset differential coefficient, k be adjust number, a presetting weight coefficient, and the value interval of a be (0,
1)。
7. heating temperature regulating device according to claim 5, which is characterized in that described according to presetting pid algorithm mould
The difference of type, current heating temperature and the presetting safe temperature upper limit generates the duty ratio of the control signal for adjusting temperature
Execution condition are as follows: the difference of current heating temperature and the presetting safe temperature upper limit is respectively smaller than presetting threshold value, pre-
The ratio of setting controls gain.
8. heating temperature regulating device according to claim 5, which is characterized in that the information obtainment unit is specifically used for
Reception is set to the current heating temperature that the temperature sensor of the electric heating module side is acquired and sent.
9. a kind of temperature control electronic equipment, which is characterized in that including control module, drive module, electric heating module, memory and
Heating temperature regulating device, the control module are electrically connected with the memory, the control module, the drive module and
The electric heating module is sequentially connected electrically, and described device is installed in the memory and including one or more by the control
The software function module that module executes, the heating temperature regulating device include:
Information obtainment unit, for obtaining the current heating temperature of electric heating module；
Computing unit, for calculating the difference of the current heating temperature Yu the presetting safe temperature upper limit；
Duty ratio generation unit, for according to presetting pid algorithm model, current heating temperature and presetting safe temperature
The difference of limit generates the duty ratio of the control signal for adjusting temperature；
Signal output unit, the control signal for exporting the duty ratio are driven to drive module with controlling the drive module
The current heating temperature of the electric heating module is moved not higher than the presetting safe temperature upper limit.
10. temperature control electronic equipment according to claim 9, which is characterized in that the temperature control electronic equipment is air-conditioning.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910122871.3A CN109782821A (en) | 2019-02-19 | 2019-02-19 | Temperature control electronic equipment and heating temperature adjusting method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910122871.3A CN109782821A (en) | 2019-02-19 | 2019-02-19 | Temperature control electronic equipment and heating temperature adjusting method and device |
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Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112701973A (en) * | 2020-12-23 | 2021-04-23 | 江苏大学 | Construction method of energy composite controller of permanent magnet hub motor of electric automobile |
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Application publication date: 20190521 |