CN110134161A - The heat dissipation temperature control system of automation equipment control cabinet - Google Patents
The heat dissipation temperature control system of automation equipment control cabinet Download PDFInfo
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- CN110134161A CN110134161A CN201910427805.7A CN201910427805A CN110134161A CN 110134161 A CN110134161 A CN 110134161A CN 201910427805 A CN201910427805 A CN 201910427805A CN 110134161 A CN110134161 A CN 110134161A
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- Prior art keywords
- control cabinet
- information
- temperature
- thermal losses
- acquisition
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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
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
Abstract
The heat dissipation temperature control system of automation equipment control cabinet of the invention, the temperature information acquisition module enters temperature information analysis module by thermal losses information when the control cabinet operation of the temperature information that the platinum resistance thermometer sensor, of automation equipment control cabinet inside/outside acquires and the acquisition of control cabinet operating status acquisition module is arranged in and carries out processing analysis, the temperature changing trend for obtaining revised temperature information and thermal losses information and future show that refrigerating capacity goes driving radiating control module to carry out different degrees of heat dissipation.Temperature information and heat power consumption information of the present invention improves the temperature information of acquisition and the precision of thermal losses information through filtering, average value processing, and compensates refrigerating capacity L by calculated internal-external temperature difference change rate Y and driving is gone to radiate, and realizes and is accurately controlled the intracorporal temperature of case；By thermal losses information Q compared with normal thermal losses information Q0, when operation troubles, after being computed amendment
Description
Technical field
The present invention relates to the heat dissipation temperature control systems of signal processing technology field, especially automation equipment control cabinet.
Background technique
Electrical engineering and it's automation major is a new branch of science in electric information field, but due to daily with people
Life and industrial production are closely related, and development is very fast, now also relatively mature.Have become new high-tech industry
Important component, be widely used in the fields such as industry, agricultural, national defence, played in national economy more and more important
Effect.Its feeler stretches to all trades and professions, the design of small to one switch, and the big research for arriving aerospace aircraft has its figure.
In technical field of electric automation, various automation equipments are most commonly seen.And automation equipment,
It is unable to do without control system.And control system majority is mounted in electric box, prior art discloses application No. is
The heat dissipation temperature control system of 201610256575.9 a kind of automation equipment control cabinet, by the way that heat dissipation cavity is arranged in the outside of cabinet
Cell structure combines setting temperature sensor, blower (with specific reference to the speed of the height control cooling fan of temperature), realizes certainly
The dynamic intracorporal temperature of control cabinet.
The acquisition of temperature is temperature controlled important link, the temperature of acquisition can reaction controlling cabinet actual temperature, directly
The precision and stability for influencing control is connect, due to temperature sensor (platinum resistance thermometer sensor) though in the above prior art by linearly mending
Repay and improve measurement accuracy, the amplification of XTR105 instrument amplifier compensates for transmission attenuation, but in signal transmission and signal conversion
When also suffer from the influences of random disturbances, impulse disturbances, FPGA controller received signal can be made inaccurate, and work as control cabinet
Since temperature control action is not easy to cause failure, accident by timely discovery, control when operation fever is abnormal.
Therefore the present invention provides a kind of new scheme to solve the problems, such as this.
Summary of the invention
In view of the deficienciess of the prior art, purpose of the present invention is to provide the heat dissipation temperature controls of automation equipment control cabinet
The temperature of system, effective solution acquisition it is not accurate enough and due to temperature control action control cabinet run fever it is abnormal be not easy by
The problem of discovery in time, control.
To achieve the goals above, the present invention is to realize by the following technical solutions: acquiring mould including temperature information
Block, control cabinet operating status acquisition module, temperature information analysis module, radiating control module, which is characterized in that the temperature letter
Breath acquisition module passes through temperature information and the control cabinet operation for the platinum resistance thermometer sensor, acquisition that automation equipment control cabinet inside/outside is arranged in
Thermal losses information enters temperature information analysis module and carries out processing analysis when the control cabinet operation of state acquisition module acquisition, obtains
The temperature changing trend in revised temperature information and thermal losses information and future show that refrigerating capacity goes driving radiating control module
Carry out different degrees of heat dissipation:
It is as follows that the temperature information analysis module carries out the step of processing analysis:
1) temperature information and control cabinet operating status of the platinum resistance thermometer sensor, acquisition of automation equipment control cabinet inside/outside are acquired
Module acquisition control cabinet operation when thermal losses information be filtered, average value processing, obtain revised temperature information T, heat waste
Information Q is consumed, to improve the temperature information of acquisition and the precision of thermal losses information；
2) temperature information of automation equipment control cabinet inside/outside is subjected to subtraction, show that the control cabinet inside/outside temperature difference is believed
Cease Δ t；
3) it is average to calculate current period using moving average filter method by n control cabinet inside/outside temperature difference t of continuous sampling
Value P1 and upper period average value P 1-1；
4) current period difference variation rate Y=P1- is obtained according to current period average value P 1 and upper period average value P 1-1
P1-1/P1 × 100%；
5) refrigerating capacity L, L=Q-K are calculated according to temperature differential information Δ t, thermal losses information Q, current period difference variation rate Y
× A × Δ t × (1+Y), wherein K is the coefficient of heat conduction, and A is cabinet body heat dissipation area.
Preferably, thermal losses information is filtered when the control cabinet operation of the control cabinet operating status acquisition module acquisition
Steps are as follows for wave, average value processing:
1) thermal losses information continuously adopts three values S0, S1, S2 when running to the control cabinet of thermal losses tester detection；
2) average value processing is carried out to tri- values of S0, S1, S2 using moving average filter method, calculates thermal losses information Q；
3) thermal losses information Q is determined whether into exception compared with normal thermal losses information Q0, if being more than overgauge 15%,
Then judging result is control cabinet operation troubles G；
4) when control cabinet operation troubles G, the arithmetic mean of instantaneous value of two cycle datas of the front and back control cabinet operation troubles G is calculated to control
Cabinet operation troubles G processed is modified, i.e.,
Step 5, then after calculating amendmentCompared with normal weighted average Q0, that is, can determine it is final as a result, when failure,
Automatically cut off the disconnect switch of automation equipment control cabinet.
Due to the use of above technical scheme, the invention has the following advantages over the prior art:
1, control cabinet internal and external temperature information and heat power consumption information are filtered, average value processing, are obtained revised inside and outside
Temperature information TN/TW, thermal losses information Q eliminate the influence of random disturbances, impulse disturbances, so as to improve the temperature information of acquisition
With the precision of thermal losses information, and by calculated internal-external temperature difference change rate Y compensate refrigerating capacity L, go to drive by refrigerating capacity L
Radiating control module carries out different degrees of heat dissipation, realizes and is accurately controlled the intracorporal temperature of case；
2, by thermal losses information Q compared with normal thermal losses information Q0, determine whether exception, if being more than overgauge 15%,
Then judging result is control cabinet operation troubles G, and calculates the arithmetic mean of instantaneous value of two cycle datas before and after control cabinet operation troubles G
Control cabinet operation troubles G is modified, then after calculating amendmentCompared with normal thermal losses information Q0, that is, it can determine final
As a result, the disconnect switch of automation equipment control cabinet is automatically cut off when failure, due to temperature when avoiding control cabinet operation fever abnormal
Degree control action is not easy the problem of by timely discovery, control.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the invention.
Fig. 2 is the step flow chart that temperature information analysis module of the invention carries out processing analysis.
Fig. 3 be thermal losses information of the invention be filtered, the step flow chart of average value processing.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through attached drawing 3
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is with specification
Attached drawing is reference.
In order to verify the feasibility of this method and the effect of actual use, analyzing examples are carried out below and verify this method.
Embodiment one, the heat dissipation temperature control system of automation equipment control cabinet, the temperature information acquisition module pass through setting
It is acquired in the temperature information and control cabinet operating status acquisition module of the platinum resistance thermometer sensor, acquisition of automation equipment control cabinet inside/outside
Thermal losses information (can detect heat power consumption when control cabinet operation by model GHY-5 type power consumption measuring instrument when control cabinet is run
Signal) enter temperature information analysis module carry out processing analysis, obtain revised temperature information and thermal losses information and future
Temperature changing trend, improve the temperature information of acquisition and the precision of thermal losses information, obtain through difference variation rate correction after
Refrigerating capacity, go driving radiating control module (drive module of blower, heat exchanger, air-conditioning etc.) to carry out different degrees of dissipate
Heat realizes and is accurately controlled the intracorporal temperature of case, and when control cabinet operation troubles, can automatically cut off automation equipment control
The disconnect switch of cabinet, when avoiding control cabinet operation fever abnormal due to temperature control action be not easy by it is timely find, control is asked
Topic:
It is as follows that the temperature information analysis module carries out the step of processing analysis:
1) temperature information and control cabinet operating status of the platinum resistance thermometer sensor, acquisition of automation equipment control cabinet inside/outside are acquired
Thermal losses information (can detect control cabinet operation by model GHY-5 type power consumption measuring instrument when the control cabinet operation of module acquisition
When heat power consumption signal) be filtered, average value processing, obtain revised temperature information TN/TW, thermal losses information Q, with improve
The temperature information of acquisition and the precision of thermal losses information；
2) temperature information of automation equipment control cabinet inside/outside is subjected to subtraction, show that the control cabinet inside/outside temperature difference is believed
Cease Δ t, Δ t=TN-TW；
3) 3 control cabinet inside/outside temperature difference t of continuous sampling, using moving average filter method calculate current period namely
This time sample mean P1 and upper period namely last time sample mean P1-1,
P1=(Δ t+ Δ t-1+ Δ t-2)/3, P1-1=(Δ t-1+ Δ t-2+ Δ t-3)/3；
4) current period difference variation rate Y, Y=are obtained according to current period average value P 1 and upper period average value P 1-1
P1-P1-1/P1 × 100%；
5) refrigerating capacity L, L=Q-K are calculated according to temperature differential information Δ t, thermal losses information Q, current period difference variation rate Y
× A × Δ t × (1+Y), wherein K is the coefficient of heat conduction, is determined by the cabinet body material of automation equipment control cabinet, steel plate 5.5, aluminium
Plate 11, plastics 0.3, A are cabinet body heat dissipation area, are determined by the heat dissipation area of automation equipment control cabinet mounting means.
Embodiment two, on the basis of example 1, the platinum resistance thermometer sensor, to automation equipment control cabinet inside/outside acquire
Temperature information be filtered, steps are as follows for average value processing:
1) four values T0, T1, T2, T3 are continuously adopted to the temperature information of platinum resistance thermometer sensor, acquisition；
2) T0, T1, T2, T3 are ranked up using bubbling method by sequence from small to large, and remove the maximum value at both ends
And minimum value；
3) two values after removing maximum value and minimum value are carried out by average value processing, remaining two values using arithmetic mean method
The sum of again divided by 2, calculate temperature information TN/TW.
Embodiment three, on the basis of example 1, the control cabinet fortune of the control cabinet operating status acquisition module acquisition
Thermal losses information is filtered when row, steps are as follows for average value processing:
1) thermal losses information continuously adopts three values S0, S1, S2 when running to the control cabinet of thermal losses tester detection；
2) average value processing is carried out to tri- values of S0, S1, S2 using moving average filter method, calculates thermal losses information Q；
3) thermal losses information Q is determined whether into exception compared with normal thermal losses information Q0, if being more than overgauge 15%,
Then judging result is control cabinet operation troubles G；
4) when control cabinet operation troubles G, the arithmetic mean of instantaneous value of two cycle datas of the front and back control cabinet operation troubles G is calculated to control
Cabinet operation troubles G processed is modified, i.e.,
5) after calculating amendment againCompared with normal thermal losses information Q0, that is, can determine it is final as a result, when failure, automatically
The disconnect switch of automation equipment control cabinet is cut off, discovery in time, control.
The present invention carry out using when, temperature information acquisition module is by being arranged in automation equipment control cabinet
Thermal losses information (can when the temperature information of platinum resistance thermometer sensor, acquisition and the control cabinet of control cabinet operating status acquisition module acquisition are run
Heat power consumption signal when detecting control cabinet operation by model GHY-5 type power consumption measuring instrument) enter temperature information analysis module
Processing analysis is carried out, specifically control cabinet internal and external temperature information and heat power consumption information is filtered, average value processing, obtains amendment
Internal and external temperature information TN/TW, thermal losses information Q afterwards improve the temperature information of acquisition and the precision of thermal losses information, and will
The temperature information TN/TW of automation equipment control cabinet inside/outside carries out subtraction, obtains control cabinet inside/outside temperature differential information Δ t,
3 control cabinet inside/outside temperature difference t of continuous sampling later, calculate current period using moving average filter method namely this time adopt
Sample average value P 1 and upper period namely last time sample mean P1-1, and then current period difference variation rate Y is calculated, finally
Refrigerating capacity formula L, L=Q-K × A × Δ t × (1+Y) after compensating out go driving radiating control module to carry out not according to refrigerating capacity L
With the heat dissipation of degree, realizes and be accurately controlled the intracorporal temperature of case；By thermal losses information Q and normal thermal losses information Q0 ratio
Compared with, determine whether exception, if be more than overgauge 15%, judging result be control cabinet operation troubles G, and calculate control cabinet fortune
The arithmetic mean of instantaneous value of two cycle datas is modified control cabinet operation troubles G before and after row failure G, then after calculating amendmentWith just
Normal thermal losses information Q0 compares, that is, can determine final as a result, the open circuit for automatically cutting off automation equipment control cabinet is opened when failure
It closes, avoids the problem that when control cabinet operation fever is abnormal since temperature control action is not easy by timely discovery, control.
The above is that further detailed description of the invention, and it cannot be said that the present invention in conjunction with specific embodiment
Specific implementation is limited only to this；Belonging to the present invention and for those skilled in the technology concerned, it is being based on skill of the present invention
Under the premise of art scheme thinking, it is made expansion and operating method, data replacement, should all fall in the scope of the present invention it
It is interior.
Claims (3)
1. the heat dissipation temperature control system of automation equipment control cabinet, including the acquisition of temperature information acquisition module, control cabinet operating status
Module, temperature information analysis module, radiating control module, which is characterized in that the temperature information acquisition module is existed by setting
The temperature information of the platinum resistance thermometer sensor, acquisition of automation equipment control cabinet inside/outside and the control of control cabinet operating status acquisition module acquisition
Thermal losses information enters temperature information analysis module and carries out processing analysis when cabinet processed is run, and obtains revised temperature information and heat
The temperature changing trend of information and future is lost, show that refrigerating capacity goes driving radiating control module to carry out different degrees of heat dissipation:
It is as follows that the temperature information analysis module carries out the step of processing analysis:
1) to the temperature information and control cabinet operating status acquisition module of the platinum resistance thermometer sensor, acquisition of automation equipment control cabinet inside/outside
Acquisition control cabinet operation when thermal losses information be filtered, average value processing, obtain revised temperature information TN/TW, heat waste
Information Q is consumed, to improve the temperature information of acquisition and the precision of thermal losses information；
2) temperature information of automation equipment control cabinet inside/outside is subjected to subtraction, obtains control cabinet inside/outside temperature differential information Δ
t；
3) 3 control cabinet inside/outside temperature difference t of continuous sampling, calculate current period average value P 1 using moving average filter method
With upper period average value P 1-1；
4) current period difference variation rate Y=P1-P1-1/ is obtained according to current period average value P 1 and upper period average value P 1-1
P1 × 100%；
5) refrigerating capacity L, L=Q-K × A are calculated according to temperature differential information Δ t, thermal losses information Q, current period difference variation rate Y
× Δ t × (1+Y), wherein K is the coefficient of heat conduction, and A is cabinet body heat dissipation area.
2. the heat dissipation temperature control system of automation equipment control cabinet according to claim 1, which is characterized in that described to automatic
The temperature information that the platinum resistance thermometer sensor, acquisition of control cabinet inside/outside is set in makeup is filtered, steps are as follows for average value processing:
1) four values T0, T1, T2, T3 are continuously adopted to the temperature information of platinum resistance thermometer sensor, acquisition；
2) T0, T1, T2, T3 are ranked up using bubbling method by sequence from small to large, and remove the maximum value and most at both ends
Small value；
3) two values after removing maximum value and minimum value are carried out by the sum of average value processing, remaining two values using arithmetic mean method
Again divided by 2, temperature information T is calculated.
3. the heat dissipation temperature control system of automation equipment control cabinet according to claim 1, which is characterized in that the control cabinet
Thermal losses information is filtered, steps are as follows for average value processing when the control cabinet operation of operating status acquisition module acquisition:
1) thermal losses information continuously adopts three values S0, S1, S2 when running to the control cabinet of power consumption tester detection；
2) average value processing is carried out to tri- values of S0, S1, S2 using moving average filter method, calculates thermal losses information Q；
3) thermal losses information Q is determined whether into exception compared with normal thermal losses information Q0, if being more than overgauge 15%, sentenced
Disconnected result is control cabinet operation troubles G；
4) when control cabinet operation troubles G, the arithmetic mean of instantaneous value of two cycle datas of the front and back control cabinet operation troubles G is calculated to control cabinet
Operation troubles G is modified, i.e.,
5) after calculating amendment againIt compared with normal weighted average Q0, that is, can determine final as a result, automatically cutting off when failure
The disconnect switch of automation equipment control cabinet.
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|---|---|---|---|
| CN202011282228.6A CN112433547B (en) | 2019-05-22 | 2019-05-22 | Heat dissipation temperature control system for control cabinet |
| CN201910427805.7A CN110134161B (en) | 2019-05-22 | 2019-05-22 | Heat dissipation temperature control system of automation device control cabinet |
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| CN201910427805.7A CN110134161B (en) | 2019-05-22 | 2019-05-22 | Heat dissipation temperature control system of automation device control cabinet |
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| CN201910427805.7A Expired - Fee Related CN110134161B (en) | 2019-05-22 | 2019-05-22 | Heat dissipation temperature control system of automation device control cabinet |
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| CN114322196A (en) * | 2021-12-23 | 2022-04-12 | 珠海格力电器股份有限公司 | Temperature correction method and device for temperature sensor built in device and air conditioner |
| CN114679900A (en) * | 2022-04-25 | 2022-06-28 | 东营金丰正阳科技发展有限公司 | Outdoor intelligent oil well control cabinet convenient to heat dissipation and cooling |
| CN115825834A (en) * | 2023-01-09 | 2023-03-21 | 武汉精测电子集团股份有限公司 | Aging test box monitoring system and method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112433547A (en) | 2021-03-02 |
| CN112433547B (en) | 2022-02-15 |
| CN110134161B (en) | 2020-12-08 |
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